EP1863989B1 - Lock having a single switch - Google Patents

Lock having a single switch Download PDF

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Publication number
EP1863989B1
EP1863989B1 EP06708447A EP06708447A EP1863989B1 EP 1863989 B1 EP1863989 B1 EP 1863989B1 EP 06708447 A EP06708447 A EP 06708447A EP 06708447 A EP06708447 A EP 06708447A EP 1863989 B1 EP1863989 B1 EP 1863989B1
Authority
EP
European Patent Office
Prior art keywords
cam
lock
bolt
pawl
switch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP06708447A
Other languages
German (de)
French (fr)
Other versions
EP1863989A1 (en
Inventor
Jean-christophe VALEO SECURITE HABITACLE PECOUL
Christian Valeo Securite Habitacle WATTEBLED
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Comfort and Driving Assistance SAS
Original Assignee
Valeo Securite Habitacle SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valeo Securite Habitacle SAS filed Critical Valeo Securite Habitacle SAS
Publication of EP1863989A1 publication Critical patent/EP1863989A1/en
Application granted granted Critical
Publication of EP1863989B1 publication Critical patent/EP1863989B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/20—Bolts or detents
    • E05B85/24—Bolts rotating about an axis
    • E05B85/243—Bolts rotating about an axis with a bifurcated bolt
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/14—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on bolt detents, e.g. for unlatching the bolt
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1044—Multiple head
    • Y10T292/1045—Operating means
    • Y10T292/1046—Cam
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1044—Multiple head
    • Y10T292/1045—Operating means
    • Y10T292/1047—Closure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means
    • Y10T292/1082—Motor

Definitions

  • the invention relates to a lock, electrical or mechanical, for assisting the opening / closing of an associated door and / or for the locking / unlocking of said lock.
  • a lock having a single switch intended to indicate the "open” and "closed” states of the lock.
  • Prior art is known locks, for example electric locks, having two switches.
  • Such an electric lock is described in the document FR 2778939 in the name of the plaintiff.
  • a switch cooperates with the bolt and another switch cooperates with the pawl so that it is possible to know extremely reliably the "open” and "closed” state of the lock.
  • the switch linked to the bolt one obtains the information relating to the state of opening of the lock, depending on the position of the bolt, and with the switch linked to the ratchet, one obtains the information relating to the closing the lock, depending on the position of the pawl tooth engaged, or in cooperation, with the second locking latch of the bolt.
  • This type of lock makes it possible to obtain reliable information as to the state of the lock, but it requires the use of two switches and all the dedicated management electronics, which is particularly expensive and cumbersome.
  • the present invention aims to provide an alternative construction of a lock having a single switch and a particularly simple and inexpensive mechanical means capable of allowing the exact indication of the states of the lock.
  • the present invention thus relates to a lock having a single switch to indicate the "open” or "closed” state of said lock
  • the bolt and the pawl cooperate with the cam.
  • the pawl cooperates first with the cam while during the closing phase, the bolt cooperates first with the cam.
  • the lock described has the function of assisting the opening of a vehicle door, such as a door.
  • the lock according to the invention is not limited to the opening / closing assistance function of an opening and may also perform other functions, such as the conviction / unlocking.
  • the invention is illustrated with an electric lock, that is to say that the kinematic chain controlling the movement of the pawl, and therefore the opening of the bolt, is actuated by an electric motor (electric motor 5 and motor shaft 6 in the appended figures).
  • an electric motor electric motor 5 and motor shaft 6 in the appended figures.
  • the invention does not specifically target a use for an electric lock and can function perfectly in, or for, a mechanical lock, that is to say a lock in which the kinematic chain is completely mechanical.
  • the actuating means or means of the kinematic chain intended to act on the pawl is / are mechanical and nonelectric.
  • the figures follow one another in an opening phase and then in a closing phase, from an initial state, represented on the figure 1 , in which the electric lock is in the "closed" position.
  • the present invention is essentially for a lock with a bolt 1 having two locking notches 2 and 3; the "closed" position for the lock being that in which the ratchet tooth 4 cooperates in abutment with the second closing catch 3 of the bolt 1 in order to block the latter 1.
  • the electric motor 5 from which extends a rotary drive shaft 6 adapted to drive in rotation a kinematic chain 7.
  • the assembly formed by the motor 5 and its shaft 6 forms the actuator of the lock while the drive train 7 consists of a rotating wheel, under the action of the drive shaft 6, comprising at least one crank pin 8 extending perpendicular to the plane of rotation of the wheel 7.
  • the crank pin 8 cooperates with the pawl 9 of the lock.
  • the pawl 9 of the lock comprises a substantially boot-shaped portion or L whose end cooperates with the crank pin 8.
  • the crank pin 8 during the rotation of the movable wheel 7, comes into contact with the end of the boot-shaped portion 10 to drive the pawl 9 clockwise, or clockwise, away from or away from the bolt 1.
  • the ratchet 9 mobile rotation typically comprises a return spring, not shown in the accompanying figures, exerting a force tending to bring the pawl 9 against the bolt 1, either in the counterclockwise direction, or contrary to that of clockwise.
  • the pawl 9 comprises, in addition to the boot-shaped portion 10, an integral part 4 forming the ratchet tooth 4, one end of which 4 'is intended to engage with the closing notches 2, 3 of the bolt 1 in order to block the latter 1
  • the pawl 9 here comprises a stop 11, extending perpendicular to the plane of rotation of the pawl 9, intended to cooperate with the face 12a of the cam 12.
  • the bolt 1 of the lock consists of a conventional bolt except that it has two protuberances 14, 15, extending perpendicular to the plane of rotation of the bolt 1, adapted to cooperate with the cam 12 to push the latter 12 so to move it towards the pawl 9.
  • the bolt 1 movable in rotation here comprises two locking notches 2, 3 adapted to cooperate with the end 4 'of the ratchet tooth 4.
  • the bolt 1 has a spring restoring, not shown in the accompanying figures, tending to bring the bolt 1 in the release position of the striker, not shown in the accompanying figures, is in the open position, that is to say tending to rotate the bolt 1 clockwise.
  • the lock according to the invention comprises a mobile cam 12 housed or disposed in a housing 13, for example made in a portion of the lock housing, not shown in the accompanying figures.
  • the housing 13 makes it possible to allow the linear displacement, or in translation, of the cam 12 because this housing 13 extends substantially linearly.
  • the cam 12 is subjected to the action of a permanent force tending to return said cam 12 to an initial position.
  • the initial position of the cam 12 is the position in which the cam 12 is in abutment against one end of the housing 13 of the housing.
  • the cam 12 comprises a flexible tongue 16 cooperating with a portion 17 of the housing housing.
  • the cam 12 is subjected to the action of a spring 18 intended to return the cam 12 to its initial position, namely its position when the lock is closed, the cam 12 being in abutment against a wall of the housing 13.
  • the spring 18 is located near the pawl 9 so that its action tends to move the cam 12 of the pawl 9.
  • the housing 13 comprises an advanced portion 17, or stop, intended to cooperate with the flexible tongue 16 of the cam 12.
  • portion 17 of the housing 13 and the flexible tongue 16 of the cam 12 allows to block the latter 12 as long as sufficient force has not been transmitted to the cam 12 so that the flexible tongue 16 bends, or bends, so that the cam 12 continues its movement in one direction or the other beyond portion 17.
  • the lock according to the invention comprises a single switch 19, fixed in or on the housing of the lock, intended to indicate the state of opening or closing of the lock, that is to say the position of the bolt 1 and that of the ratchet 9.
  • the switch 19 comprises a movable dip-rod 20 able to occupy a retracted position and an output position under the action of the cam 12, each of its two positions of the dip-rod 20 defining a state of the switch 19.
  • the switch 19 thus comprises a plunger nug 20 cooperating with a portion of the surface of the actuating cam 12 for its activation / deactivation, or its change of state.
  • the teat-plunger 20 is subjected to the action of a spring, not shown in the accompanying figures, disposed in the switch 19, tending to out of its housing in the extended position. Furthermore, the part of the cam 12 that can come into contact with the teat-plunger 20 has a particular geometry, for example in the form of a wave, or waves, so that at the top of a wave, or a corrugation, the plunger rod 20 is depressed in the retracted position and when the plunger rod 20 is in contact with the cam 12 in the hollow of the wave, or the wave, the latter 20 is released in output position, or extreme release outside the switch 19.
  • a spring not shown in the accompanying figures
  • switch 19 consists of a Hall effect sensor.
  • the particular geometry of the portion 21 of the cam 12 intended to come into contact with the plunger rod 20 is obviously no longer necessary so that this portion 21 of the cam 12 may have any shape but must comprise a multi-pole magnet 22 or a plurality of contiguous magnets with reversed polarity.
  • the lock is in the closed position, that is to say that the ratchet tooth 4 cooperates in abutment with the second locking notch 3 of the bolt 1.
  • the actuator is started and the motor shaft 6 rotates in one direction so that the crank pin 8 rotates counterclockwise towards the boot 10 of the pawl 9.
  • the crank pin 8 comes into contact with the boot 10 and continues its rotation in the trigonometric direction, causing the pawl 9 which moves away from the bolt 1 so that the ratchet tooth 4 disengages the second closing catch 3 of the bolt 1, as illustrated in FIG. figure 2 .
  • the switch 19 returns to its initial state after a brief passage in an activated state, identical to its position when the lock is closed, the plunger rod 20 being pushed out of the housing of the switch 19, that is to say that it rests in contact with the hollow of the wave-shaped part 21, or ripple, of the cam 12.
  • the released bolt 1 then rotates clockwise under the action of its return spring and releases the striker, not shown in the accompanying figures. Almost at the end of its rotation, the protuberance 14 of the bolt 1 comes into contact with the cam 12, more exactly the side 12c of the cam 12, and pushes it into its housing 13 so that the cam 12 moves in translation in translation. direction of the pawl 9.
  • the plunger rod 20 enters the housing of the switch 19 under the action of the contact with the wave-shaped portion 21, or ripple, of the cam 12
  • the plunger rod 20 is in contact with a top of the wave-shaped portion 21, or wave, of the cam 12 so that the nipple when the rod 20 is depressed, or in the retracted position, the switch 19 changes state.
  • This change of state of the switch 19 makes it possible to indicate or know that the lock is in the open position.
  • the wave-shaped portion 21, or undulation, of the cam 12 has between a recess and a consecutive vertex an inclined portion so that the plunger rod 20 is progressively depressed when it passes from a hollow to a vertex or, conversely, out gradually out of the housing of the switch 19 when it passes from a peak to a hollow of the Part 21 wave-shaped, or wavy.
  • the switch 19 remains in its state indicating the opening of the lock while the bolt 1 rotates in the trigonometric direction under the action of the striker pressing on one side of the housing 23 of the bolt 1.
  • the bolt 1 is turned up to the level where the ratchet tooth 4 is almost in cooperation with the first notch 2 of the bolt 1.
  • the pawl 9 remains in abutment on the bolt 1.
  • the return spring 18 acts to return the cam 12 to its initial position, or away from the pawl 9.
  • This displacement of the cam 12 has the consequence that the plunger rod 20 rises in the retracted position because the latter is again in contact with an apex of the portion 21 of the wavy or wave shaped cam 12, thereby causing a change of state of the switch 19 indicating that the lock is open, i.e. the ratchet 9, or its tooth 4 does not cooperate with the second locking catch 3 of the bolt 1.
  • This contact between the pawl 9 and the cam 12 has the effect of stopping the movement the cam 12 to its initial position, under the action of its return spring 18.
  • the tooth of the pawl 4 cooperates with the first notch 2 of the bolt 1, it is generally considered that the door is not closed.
  • the fall of the pawl 9 to the first notch 2 of the bolt 1 allows the displacement of the cam 12 to its initial position only a minimum distance for which the pin-plunger 20 always remains in contact with a vertex of the portion 21 of the cam 12 in waveform or wave so that the switch 19 does not change state, always indicating that the lock is open.
  • the figure 12 illustrates a variant of the cam / switch assembly 12/19 in which the cam 12 now carries a multi-pole magnet 22, or contiguous magnets with inverted polarity, in place of the wave or wave-shaped portion 21. and the switch 19 then consists of a Hall effect sensor, not shown on the figure 12 .
  • the kinematics and the result of the lock status information described above remain otherwise identical.
  • the movable cam 9 is connected to the pawl 9 and mounted free to rotate relative thereto 9.
  • the fixing of the movable cam 9 on the pawl is performed at the level of the boot 10 of the pawl 9, substantially in the upper part of the boot 10.
  • the bolt 1 comprises on its periphery two protuberances 24 and 25 intended to cooperate with the movable cam 9.
  • the other elements of the lock according to the second embodiment are identical. with those of the lock according to the first embodiment.
  • the guiding support 23 comprises a slightly sloping portion 27 and a recess 28, or withdrawal, so as to cooperate in support with the movable cam 9, more exactly the free end of the movable cam 9.
  • the lock is illustrated in its closed state on the figure 17 .
  • the figure 14 illustrates the moment when the pawl 9 is released from the bolt 1, the latter 1 being then released and rotatable, under the effect of its spring (not shown), to disengage the striker (not shown).
  • the plunger nib 20 is depressed when the pawl 9, via its ratchet tooth 4, blocks the bolt 1 at the second closing catch 3; the switch thus indicating that the lock is closed.
  • the movable cam 9 is driven by its connection with the pawl 9.
  • the particular geometry of the movable cam 9 intended to cooperate with the plunger pin 20 consists in particular of a recessed part 26.
  • the figure 15 illustrates the lock not part of the invention in the open position, the pawl 9 rests against the bolt 1. It is also noted that the free end of the movable cam 9 rests on the guide support 23.
  • the invention is not limited to an electric lock and would have been described substantially in the same manner in a fully mechanical lock, that is to say having no electric motor for controlling or actuating the lock. kinematic chain for acting on the ratchet.
  • the electric actuator 5.6 shown in the accompanying figures, would simply be replaced by a mechanical actuator.

Abstract

The invention concerns a lock provided with a single switch to indicate the open or closed state of said lock, comprising an actuator (5, 6) acting on a kinematic chain (7) to produce the functions of the lock, a switch (19) adapted to indicate the states of the lock, a double-notched closure (2, 3) bolt (1), a pawl (9) including a pawl tooth (4) designed to be urged into engagement with the first (2) or second (3) notch for closing the bolt (1). The invention is characterized in that it comprises a mobile cam (12) for actuating the switch, said actuating cam (12) being mobile under the action of the bolt (1) and/or of the pawl (9) during the opening and/or closing phase of the lock.

Description

L'invention concerne une serrure, électrique ou mécanique, pour l'assistance à l'ouverture/fermeture d'un ouvrant associé et/ou pour la condamnation/décondamnation de ladite serrure. Elle concerne en particulier une serrure disposant d'un seul commutateur destiné à indiquer les états « ouvert » et « fermé » de la serrure.The invention relates to a lock, electrical or mechanical, for assisting the opening / closing of an associated door and / or for the locking / unlocking of said lock. In particular, it relates to a lock having a single switch intended to indicate the "open" and "closed" states of the lock.

Il est impératif pour la gestion des fonctions de la serrure, à savoir en particulier l'assistance ouverture/fermeture ou la condamnation/décondamnation, de connaître précisément l'état « ouvert » et « fermé » de la serrure.It is imperative for the management of the functions of the lock, namely in particular the opening / closing assistance or the locking / unlocking, to know precisely the "open" and "closed" state of the lock.

On connaît dans l'art antérieur des serrures, par exemple des serrures électriques, disposant de deux commutateurs. Une telle serrure électrique est décrite dans le document FR 2778939 au nom de la demanderesse. Dans une telle serrure, un commutateur coopère avec le pêne et un autre commutateur coopère avec le cliquet de sorte qu'il est possible de connaître de façon extrêmement fiable l'état « ouvert » et « fermé » de la serrure. En effet, avec le commutateur lié au pêne, on obtient l'information relative à l'état d'ouverture de la serrure, dépendant de la position du pêne, et avec le commutateur lié au cliquet, on obtient l'information relative à la fermeture de la serrure, dépendant de la position de la dent de cliquet en prise, ou en coopération, avec le second cran de fermeture du pêne.Prior art is known locks, for example electric locks, having two switches. Such an electric lock is described in the document FR 2778939 in the name of the plaintiff. In such a lock, a switch cooperates with the bolt and another switch cooperates with the pawl so that it is possible to know extremely reliably the "open" and "closed" state of the lock. Indeed, with the switch linked to the bolt, one obtains the information relating to the state of opening of the lock, depending on the position of the bolt, and with the switch linked to the ratchet, one obtains the information relating to the closing the lock, depending on the position of the pawl tooth engaged, or in cooperation, with the second locking latch of the bolt.

Ce type de serrures permet d'obtenir une information fable quant à l'état de la serrure mais il nécessite d'utiliser deux commutateurs et toute l'électronique de gestion dédiée, ce qui est particulièrement coûteux et encombrant.This type of lock makes it possible to obtain reliable information as to the state of the lock, but it requires the use of two switches and all the dedicated management electronics, which is particularly expensive and cumbersome.

On connaît également dans l'art antérieur des serrures comportant un seul commutateur, tels que le document US 6175202 . Dans cette serrure, l'unique commutateur coopère avec le pêne de sorte qu'on obtient une information fiable relativement à l'état d'ouverture de la serrure mais aucune information fiable quant à l'état de fermeture de la serrure. Le document US 20050001437 divulgue une serrure disposant d'un seul commutateur pour indiguer l'état «ouvert» ou «fermé» de ladite serrure et correspond au préamble de la revendication 1.Also known in the prior art locks comprising a single switch, such as the document US 6175202 . In this lock, the single switch cooperates with the bolt so that reliable information is obtained on the state of opening of the lock but no reliable information as to the state of closure of the lock. The document US 20050001437 discloses a lock having a single switch for identifying the "open" or "closed" state of said lock and corresponds to the preamble of claim 1.

La présente invention a pour but de proposer une construction alternative d'une serrure disposant d'un seul commutateur et d'un moyen mécanique particulièrement simple et peu coûteux apte à permettre l'indication exacte des états de la serrure.The present invention aims to provide an alternative construction of a lock having a single switch and a particularly simple and inexpensive mechanical means capable of allowing the exact indication of the states of the lock.

La présente invention concerne ainsi une serrure disposant d'un seul commutateur pour indiquer l'état « ouvert » ou « fermé » de ladite serrure,The present invention thus relates to a lock having a single switch to indicate the "open" or "closed" state of said lock,

Selon l'invention, pendant les phases d'ouverture/fermeture, le pêne et le cliquet coopèrent avec la came.According to the invention, during the opening / closing phases, the bolt and the pawl cooperate with the cam.

Selon un mode d'exécution, pendant la phase d'ouverture, le cliquet coopère en premier avec la came tandis que pendant la phase de fermeture, le pêne coopère en premier avec la came.According to one embodiment, during the opening phase, the pawl cooperates first with the cam while during the closing phase, the bolt cooperates first with the cam.

Grâce à l'invention, il est maintenant possible d'obtenir l'information vraie quant à l'état « ouvert » et « fermé » de la serrure grâce à un seul commutateur.Thanks to the invention, it is now possible to obtain true information as to the "open" and "closed" state of the lock through a single switch.

Dans la suite, la serrure décrite a pour fonction l'assistance à l'ouverture d'un ouvrant de véhicule, tel qu'une portière. Bien entendu, la serrure selon l'invention n'est pas limitée à la fonction d'assistance ouverture/fermeture d'un ouvrant et pourra également réaliser d'autres fonctions, telles que la condamnation/décondamnation.In the following, the lock described has the function of assisting the opening of a vehicle door, such as a door. Of course, the lock according to the invention is not limited to the opening / closing assistance function of an opening and may also perform other functions, such as the conviction / unlocking.

L'invention est décrite ci-après plus en détail, à l'aide de figures ne représentant que des modes préférés de l'invention définie par les revendications.

  • La figure 1 est une vue schématique de l'ensemble des éléments d'une serrure selon l'invention,
  • La figure 2 est une vue schématique d'une serrure selon l'invention après une commande de l'actionneur électrique pour l'ouverture de l'ouvrant,
  • La figure 3 est la même vue schématique, suivant dans le temps la figure 2 pendant une phase d'ouverture, illustrant les différents éléments de la serrure selon l'invention lorsque le pêne est en position d'ouverture,
  • La figure 4 est une vue schématique, suivant dans le temps la figure 3 à la fin de la phase d'ouverture, lorsque le pêne est en position d'ouverture, le cliquet étant libéré et la chaîne cinématique étant ramenée dans sa position initiale,
  • La figure 5 est une vue schématique de la serrure selon l'invention juste après une action de fermeture manuelle de l'ouvrant, le pêne étant entraîné manuellement par la gâche vers sa position de fermeture,
  • La figure 6 est une vue schématique, suivant dans le temps la figure 5 pendant une phase de fermeture, de la serrure au passage du premier cran du pêne,
  • La figure 7 est une vue schématique de la serrure, suivant dans le temps la figure 6 pendant la phase de fermeture, la came étant libérée entre le premier et le second cran de fermeture du pêne,
  • La figure 8 est une vue schématique de la serrure, suivant dans le temps la figure 7 pendant la phase de fermeture, la came étant entraînée par un ressort de rappel,
  • La figure 9 est une vue schématique de la serrure, suivant dans le temps la figure 8 pendant la phase de fermeture, dans l'hypothèse où la dent de cliquet revient en butée, ou coopération, avec le premier cran de fermeture du pêne,
  • La figure 10 est une vue schématique de la serrure, suivant dans le temps la figure 8, la dent de cliquet arrivant en coopération, ou butée, avec le second cran de fermeture du pêne,
  • La figure 11 est une vue schématique de la serrure représentée précédemment, suivant dans le temps la figure 10, à la fin de la phase de fermeture,
  • La figure 12 est une vue schématique d'une solution alternative pour le commutateur et la came, dans laquelle la géométrie spéciale de la came est remplacée par un aimant multi-pôles et le commutateur est un capteur à effet Hall,
  • La figure 13 illustre une serrure ne faisant pas partie de l'invention.
  • La figure 14 illustre la serrure ne faisant pas partie de l'invention lorsque la dent de cliquet est dégagée de son engagement avec le pêne sous l'action de la chaine cinématique d'actionnement,
  • La figure 15 illustre la serrure ne faisant pas partie de l'invention lorsque cette dernière est en position d'ouverture, le pêne étant en position de libération extrême de la gâche (non représentée),
  • La figure 16 illustre la serrure ne faisant pas partie de l'invention lorsque la dent de cliquet est en protubérance avec le premier cran de fermeture du pêne,
  • La figure 17 illustre la serrure des figures 13 à 16 lorsque cette dernière est en position de fermeture, la dent de cliquet étant en coopération avec le second cran de fermeture du pêne.
The invention is described below in more detail, with the aid of figures representing only preferred embodiments of the invention defined by the claims.
  • The figure 1 is a schematic view of all the elements of a lock according to the invention,
  • The figure 2 is a schematic view of a lock according to the invention after a control of the electric actuator for the opening of the opening,
  • The figure 3 is the same schematic view, following in time the figure 2 during an opening phase, illustrating the various elements of the lock according to the invention when the bolt is in the open position,
  • The figure 4 is a schematic view, following in time the figure 3 at the end of the opening phase, when the bolt is in the open position, the pawl being released and the kinematic chain being returned to its initial position,
  • The figure 5 is a schematic view of the lock according to the invention just after a manual closure action of the opening, the bolt being manually driven by the striker to its closed position,
  • The figure 6 is a schematic view, following in time the figure 5 during a closing phase, from the lock to the passage of the first notch of the bolt,
  • The figure 7 is a schematic view of the lock, following in time the figure 6 during the closing phase, the cam being released between the first and the second latch of the bolt,
  • The figure 8 is a schematic view of the lock, following in time the figure 7 during the closing phase, the cam being driven by a return spring,
  • The figure 9 is a schematic view of the lock, following in time the figure 8 during the closing phase, in the event that the ratchet tooth comes back in abutment, or cooperation, with the first locking catch of the bolt,
  • The figure 10 is a schematic view of the lock, following in time the figure 8 , the ratchet tooth arriving in cooperation or abutment, with the second locking catch of the bolt,
  • The figure 11 is a schematic view of the lock shown previously, following in time the figure 10 at the end of the closing phase,
  • The figure 12 is a schematic view of an alternative solution for the switch and the cam, in which the special geometry of the cam is replaced by a multi-pole magnet and the switch is a Hall effect sensor,
  • The figure 13 illustrates a lock not forming part of the invention.
  • The figure 14 illustrates the lock not forming part of the invention when the ratchet tooth is disengaged from its engagement with the bolt under the action of the drive kinematic chain,
  • The figure 15 illustrates the lock not forming part of the invention when the latter is in the open position, the bolt being in the extreme release position of the striker (not shown),
  • The figure 16 illustrates the lock not forming part of the invention when the ratchet tooth is in protrusion with the first locking catch of the bolt,
  • The figure 17 illustrates the lock of Figures 13 to 16 when the latter is in the closed position, the ratchet tooth being in cooperation with the second locking latch of the bolt.

L'invention, est illustrée avec une serrure électrique, c'est-à-dire que la chaîne cinématique commandant le déplacement du cliquet, et donc l'ouverture du pêne, est actionnée par un moteur électrique (moteur électrique 5 et arbre moteur 6 sur les figures annexées). Bien entendu, l'invention ne vise pas spécifiquement une utilisation pour une serrure électrique et peut parfaitement fonctionner dans, ou pour, une serrure mécanique, c'est-à-dire une serrure dans laquelle la chaine cinématique est totalement mécanique. Dans ce cas, le ou les moyens d'actionnement de la chaîne cinématique destinée à agir sur le cliquet est/sont mécanique et non électrique.The invention is illustrated with an electric lock, that is to say that the kinematic chain controlling the movement of the pawl, and therefore the opening of the bolt, is actuated by an electric motor (electric motor 5 and motor shaft 6 in the appended figures). Of course, the invention does not specifically target a use for an electric lock and can function perfectly in, or for, a mechanical lock, that is to say a lock in which the kinematic chain is completely mechanical. In this case, the actuating means or means of the kinematic chain intended to act on the pawl is / are mechanical and nonelectric.

Par ailleurs, comme cela est visible sur les figures annexées, les figures se succèdent dans une phase d'ouverture puis dans une phase de fermeture, depuis un état initial, représenté sur la figure 1, dans lequel la serrure électrique est en position « fermée ».Moreover, as can be seen in the appended figures, the figures follow one another in an opening phase and then in a closing phase, from an initial state, represented on the figure 1 , in which the electric lock is in the "closed" position.

Par ailleurs, il doit être noté que la présente invention s'entend essentiellement pour une serrure dotée d'un pêne 1 disposant de deux crans de fermeture 2 et 3 ; la position « fermée » pour la serrure étant celle dans laquelle la dent de cliquet 4 coopère en butée avec le second cran de fermeture 3 du pêne 1 afin de bloquer ce dernier 1.Furthermore, it should be noted that the present invention is essentially for a lock with a bolt 1 having two locking notches 2 and 3; the "closed" position for the lock being that in which the ratchet tooth 4 cooperates in abutment with the second closing catch 3 of the bolt 1 in order to block the latter 1.

Sur la figure 1 sont visibles le moteur électrique 5 à partir duquel s'étend un arbre moteur 6 rotatif apte à entraîner en rotation une chaîne cinématique 7. Dans l'exemple choisi ici pour illustrer l'invention, l'ensemble formé par le moteur 5 et son arbre 6 forme l'actionneur de la serrure tandis que la chaîne cinématique 7 consiste en une roue mobile en rotation, sous l'action de l'arbre moteur 6, comportant au moins un maneton 8 s'étendant perpendiculairement au plan de rotation de la roue libre 7. Par rotation de la roue libre 7, le maneton 8 entre en coopération avec le cliquet 9 de la serrure.On the figure 1 are visible the electric motor 5 from which extends a rotary drive shaft 6 adapted to drive in rotation a kinematic chain 7. In the example chosen here to illustrate the invention, the assembly formed by the motor 5 and its shaft 6 forms the actuator of the lock while the drive train 7 consists of a rotating wheel, under the action of the drive shaft 6, comprising at least one crank pin 8 extending perpendicular to the plane of rotation of the wheel 7. By rotation of the freewheel 7, the crank pin 8 cooperates with the pawl 9 of the lock.

Le cliquet 9 de la serrure comprend d'une partie 10 sensiblement en forme de botte ou de L dont l'extrémité coopère avec le maneton 8. En effet, le maneton 8, lors de la rotation de la roue mobile 7, entre en contact avec l'extrémité de la partie 10 en forme de botte afin d'entraîner le cliquet 9 dans le sens des aiguilles d'une montre, ou sens horaire, pour l'éloigner ou l'écarter du pêne 1. En effet, le cliquet 9 mobile en rotation comprend classiquement un ressort de rappel, non représenté sur les figures annexées, exerçant un effort tendant à ramener le cliquet 9 contre le pêne 1, soit dans le sens trigonométrique, ou contraire à celui des aiguilles d'une montre. Le cliquet 9 comprend outre la partie 10 en forme de botte une partie 4 solidaire formant la dent de cliquet 4 dont une extrémité 4' est destinée à venir en prise avec les crans de fermeture 2, 3 du pêne 1 afin de bloquer ce dernier 1. Le cliquet 9 comprend ici une butée 11, s'étendant perpendiculairement au plan de rotation du cliquet 9, destinée à coopérer avec la face 12a de la came 12.The pawl 9 of the lock comprises a substantially boot-shaped portion or L whose end cooperates with the crank pin 8. Indeed, the crank pin 8, during the rotation of the movable wheel 7, comes into contact with the end of the boot-shaped portion 10 to drive the pawl 9 clockwise, or clockwise, away from or away from the bolt 1. In effect, the ratchet 9 mobile rotation typically comprises a return spring, not shown in the accompanying figures, exerting a force tending to bring the pawl 9 against the bolt 1, either in the counterclockwise direction, or contrary to that of clockwise. The pawl 9 comprises, in addition to the boot-shaped portion 10, an integral part 4 forming the ratchet tooth 4, one end of which 4 'is intended to engage with the closing notches 2, 3 of the bolt 1 in order to block the latter 1 The pawl 9 here comprises a stop 11, extending perpendicular to the plane of rotation of the pawl 9, intended to cooperate with the face 12a of the cam 12.

Le pêne 1 de la serrure consiste en un pêne classique hormis le fait qu'il dispose de deux protubérances 14, 15, s'étendant perpendiculairement au plan de rotation du pêne 1, apte à coopérer avec la came 12 pour pousser cette dernière 12 afin de la déplacer vers le cliquet 9. Le pêne 1 mobile en rotation comprend ici deux crans de fermeture 2, 3 apte à coopérer avec l'extrémité 4' de la dent de cliquet 4. Egalement classiquement, le pêne 1 dispose d'un ressort de rappel, non représenté sur les figures annexées, tendant à ramener le pêne 1 en position de libération de la gâche, non représentée sur les figures annexées, soit en position d'ouverture, c'est-à-dire tendant à faire tourner le pêne 1 dans le sens horaire. La serrure selon l'invention comprend une came 12 mobile logée ou disposée dans un logement 13, par exemple pratiqué dans une portion du boîtier de serrure, non représenté sur les figures annexées. Le logement 13 réalisé permet d'autoriser le déplacement linéaire, ou en translation, de la came 12 du fait que ce logement 13 s'étend sensiblement linéairement.The bolt 1 of the lock consists of a conventional bolt except that it has two protuberances 14, 15, extending perpendicular to the plane of rotation of the bolt 1, adapted to cooperate with the cam 12 to push the latter 12 so to move it towards the pawl 9. The bolt 1 movable in rotation here comprises two locking notches 2, 3 adapted to cooperate with the end 4 'of the ratchet tooth 4. Also conventionally, the bolt 1 has a spring restoring, not shown in the accompanying figures, tending to bring the bolt 1 in the release position of the striker, not shown in the accompanying figures, is in the open position, that is to say tending to rotate the bolt 1 clockwise. The lock according to the invention comprises a mobile cam 12 housed or disposed in a housing 13, for example made in a portion of the lock housing, not shown in the accompanying figures. The housing 13 makes it possible to allow the linear displacement, or in translation, of the cam 12 because this housing 13 extends substantially linearly.

La came 12 est soumise à l'action d'une force permanente tendant à ramener ladite came 12 dans une position initiale. On notera que dans l'exemple choisi pour illustrer l'invention, la position initiale de la came 12 est la position dans laquelle la came 12 se trouve en butée contre une extrémité du logement 13 du boîtier.The cam 12 is subjected to the action of a permanent force tending to return said cam 12 to an initial position. Note that in the example chosen to illustrate the invention, the initial position of the cam 12 is the position in which the cam 12 is in abutment against one end of the housing 13 of the housing.

La came 12 comporte une languette flexible 16 coopérant avec une portion 17 du logement du boîtier. La came 12 est soumise à l'action d'un ressort 18 destiné à ramener la came 12 dans sa position initiale, à savoir sa position lorsque la serrure est fermée, la came 12 étant en butée contre une paroi du logement 13. Le ressort 18 est situé à proximité du cliquet 9 de sorte que son action tend à éloigner la came 12 du cliquet 9. Par ailleurs, dans l'exemple choisi pour illustrer l'invention sur les figures 1 à 11, le logement 13 comprend une portion avancée 17, ou butée, destinée à coopérer avec la languette flexible 16 de la came 12. La coopération entre la portion 17 du logement 13 et la languette flexible 16 de la came 12 permet de bloquer cette dernière 12 tant qu'une force suffisante n'a pas été transmise à la came 12 de manière à ce que la languette flexible 16 ploie, ou fléchisse, afin que la came 12 continue son déplacement dans un sens ou l'autre au-delà de la portion 17.The cam 12 comprises a flexible tongue 16 cooperating with a portion 17 of the housing housing. The cam 12 is subjected to the action of a spring 18 intended to return the cam 12 to its initial position, namely its position when the lock is closed, the cam 12 being in abutment against a wall of the housing 13. The spring 18 is located near the pawl 9 so that its action tends to move the cam 12 of the pawl 9. Moreover, in the example chosen to illustrate the invention on the Figures 1 to 11 , the housing 13 comprises an advanced portion 17, or stop, intended to cooperate with the flexible tongue 16 of the cam 12. The cooperation between the portion 17 of the housing 13 and the flexible tongue 16 of the cam 12 allows to block the latter 12 as long as sufficient force has not been transmitted to the cam 12 so that the flexible tongue 16 bends, or bends, so that the cam 12 continues its movement in one direction or the other beyond portion 17.

On notera que le déplacement de la came 12 est assurée soit par le pêne 1, via l'une de ses protubérances 14 ou 15 soit grâce à son ressort de rappel 18, soit par la protubérance 11 de la botte de cliquet.It will be noted that the displacement of the cam 12 is ensured either by the bolt 1, via one of its protuberances 14 or 15 or thanks to its return spring 18, or by the protuberance 11 of the ratchet boot.

La serrure selon l'invention comprend un unique commutateur 19, fixé dans ou sur le boîtier de la serrure, destiné à renseigner l'état d'ouverture ou de fermeture de la serrure, c'est-à-dire la position du pêne 1 et celle du cliquet 9. Dans l'exemple choisi pour illustrer l'invention sur les figures 1 à 11, le commutateur 19 comprend un téton-plongeur 20 mobile apte à occuper une position rentrée et une position sortie sous l'action de la came 12, chacune de ses deux positions du téton-plongeur 20 définissant un état du commutateur 19. Le commutateur 19 comprend ainsi un téton plongeur 20 coopérant avec une partie de la surface de la came d'actionnement 12 pour son activation/désactivation, ou son changement d'état. Le téton-plongeur 20 est soumis à l'action d'un ressort, non représenté sur les figures annexées, disposé dans le commutateur 19, tendant à le faire sortir hors de son logement en position sortie. Par ailleurs, la partie de la came 12 susceptible de venir en contact avec le téton-plongeur 20 dispose d'une géométrie particulière, par exemple en forme de vague, ou d'ondulations, de sorte qu'au sommet d'une vague, ou d'une l'ondulation, le téton-plongeur 20 est enfoncé en position rentrée et lorsque le téton-plongeur 20 est en contact avec la came 12 au creux de la vague, ou de l'ondulation, ce dernier 20 est libéré en position sortie, ou de libération extrême à l'extérieur du commutateur 19.The lock according to the invention comprises a single switch 19, fixed in or on the housing of the lock, intended to indicate the state of opening or closing of the lock, that is to say the position of the bolt 1 and that of the ratchet 9. In the example chosen to illustrate the invention on the Figures 1 to 11 , the switch 19 comprises a movable dip-rod 20 able to occupy a retracted position and an output position under the action of the cam 12, each of its two positions of the dip-rod 20 defining a state of the switch 19. The switch 19 thus comprises a plunger nug 20 cooperating with a portion of the surface of the actuating cam 12 for its activation / deactivation, or its change of state. The teat-plunger 20 is subjected to the action of a spring, not shown in the accompanying figures, disposed in the switch 19, tending to out of its housing in the extended position. Furthermore, the part of the cam 12 that can come into contact with the teat-plunger 20 has a particular geometry, for example in the form of a wave, or waves, so that at the top of a wave, or a corrugation, the plunger rod 20 is depressed in the retracted position and when the plunger rod 20 is in contact with the cam 12 in the hollow of the wave, or the wave, the latter 20 is released in output position, or extreme release outside the switch 19.

Dans la variante de réalisation du commutateur 19, illustré sur la figure 12, le commutateur 19 consiste en un capteur à effet Hall. Dans ce cas, la géométrie particulière de la partie 21 de la came 12 destinée à venir en contact avec le téton-plongeur 20 n'est évidemment plus nécessaire de sorte que cette partie 21 de la came 12 peut présenter une forme quelconque mais doit comprendre un aimant multi-pôles 22 ou une pluralité d'aimants accolés à polarité inversée.In the variant embodiment of the switch 19, illustrated in FIG. figure 12 switch 19 consists of a Hall effect sensor. In this case, the particular geometry of the portion 21 of the cam 12 intended to come into contact with the plunger rod 20 is obviously no longer necessary so that this portion 21 of the cam 12 may have any shape but must comprise a multi-pole magnet 22 or a plurality of contiguous magnets with reversed polarity.

Sur la figure 1, la serrure est en position fermée, c'est-à-dire que la dent de cliquet 4 coopère en butée avec le second cran de fermeture 3 du pêne 1.On the figure 1 , the lock is in the closed position, that is to say that the ratchet tooth 4 cooperates in abutment with the second locking notch 3 of the bolt 1.

L'actionneur se met en marche et l'arbre moteur 6 tourne dans un sens de sorte que le maneton 8 tourne dans le sens trigonométrique en direction de la botte 10 du cliquet 9. Le maneton 8 entre en contact avec la botte 10 et continue sa rotation dans le sens trigonométrique, entraînant le cliquet 9 qui s'éloigne du pêne 1 de sorte que la dent de cliquet 4 désengage le second cran de fermeture 3 du pêne 1, comme illustré sur la figure 2. La came 12 ayant été déplacée du fait du contact entre la protubérance 11 de la botte et la face 12a de la came, le commutateur 19 revient dans son état initial après un bref passage dans un état activé, à l'identique de sa position lorsque la serrure est fermée, le téton-plongeur 20 étant sorti à l'extrême hors du boîtier du commutateur 19, c'est-à-dire qu'il repose en contact au creux de la partie 21 en forme de vague, ou d'ondulation, de la came 12.The actuator is started and the motor shaft 6 rotates in one direction so that the crank pin 8 rotates counterclockwise towards the boot 10 of the pawl 9. The crank pin 8 comes into contact with the boot 10 and continues its rotation in the trigonometric direction, causing the pawl 9 which moves away from the bolt 1 so that the ratchet tooth 4 disengages the second closing catch 3 of the bolt 1, as illustrated in FIG. figure 2 . The cam 12 having been displaced because of the contact between the protuberance 11 of the boot and the face 12a of the cam, the switch 19 returns to its initial state after a brief passage in an activated state, identical to its position when the lock is closed, the plunger rod 20 being pushed out of the housing of the switch 19, that is to say that it rests in contact with the hollow of the wave-shaped part 21, or ripple, of the cam 12.

Le pêne 1 libéré tourne alors dans le sens horaire sous l'action de son ressort de rappel et libère la gâche, non représentée sur les figures annexées. Presque à la fin de sa rotation, la protubérance 14 du pêne 1 vient en contact avec la came 12, plus exactement le coté 12c de la came 12, et la pousse dans son logement 13 de sorte que la came 12 se déplace en translation en direction du cliquet 9. Lors de ce déplacement de la came 12, le téton-plongeur 20 rentre dans le boîtier du commutateur 19 sous l'action du contact avec la partie 21 en forme de vague, ou d'ondulation, de la came 12. En effet, lorsque le pêne 1 est en position d'ouverture, le téton-plongeur 20 se trouve en contact avec un sommet de la partie 21 en forme de vague, ou d'ondulation, de la came 12 de sorte que le téton-plongeur 20 étant enfoncé, ou en position rentrée, le commutateur 19 change d'état. Ce changement d'état du commutateur 19 permet d'indiquer ou de savoir que la serrure est en position d'ouverture.The released bolt 1 then rotates clockwise under the action of its return spring and releases the striker, not shown in the accompanying figures. Almost at the end of its rotation, the protuberance 14 of the bolt 1 comes into contact with the cam 12, more exactly the side 12c of the cam 12, and pushes it into its housing 13 so that the cam 12 moves in translation in translation. direction of the pawl 9. During this displacement of the cam 12, the plunger rod 20 enters the housing of the switch 19 under the action of the contact with the wave-shaped portion 21, or ripple, of the cam 12 Indeed, when the bolt 1 is in the open position, the plunger rod 20 is in contact with a top of the wave-shaped portion 21, or wave, of the cam 12 so that the nipple when the rod 20 is depressed, or in the retracted position, the switch 19 changes state. This change of state of the switch 19 makes it possible to indicate or know that the lock is in the open position.

On notera que la partie 21 en forme de vague, ou d'ondulation, de la came 12 présente entre un creux et un sommet consécutif une partie inclinée de sorte que le téton-plongeur 20 est enfoncé progressivement lorsqu'il passe d'un creux à un sommet ou, à l'inverse, sort progressivement hors du boîtier du commutateur 19 lorsqu'il passe d'un sommet à un creux de la partie 21 en forme de vague, ou d'ondulation. Ceci permet de régler, grâce à la géométrie particulière de la came 12 et/ou de la position de la protubérance 14 du pêne 1, de façon précise et désirée l'instant où le téton-plongeur 20 sera enfoncé de manière à commuter le commutateur 19, indiquant ainsi l'état d'ouverture de la serrure. Ainsi, pour modifier le déclenchement du commutateur 19, ou son changement d'état, il suffira de disposer la protubérance 14 sur le pêne 1 à un endroit précis puisque c'est la protubérance 14 du pêne 1 qui déplace la came 12 et provoque ainsi le changement d'état du commutateur 19.It will be noted that the wave-shaped portion 21, or undulation, of the cam 12 has between a recess and a consecutive vertex an inclined portion so that the plunger rod 20 is progressively depressed when it passes from a hollow to a vertex or, conversely, out gradually out of the housing of the switch 19 when it passes from a peak to a hollow of the Part 21 wave-shaped, or wavy. This makes it possible to adjust, by virtue of the particular geometry of the cam 12 and / or the position of the protuberance 14 of the bolt 1, in a precise and desired way the instant when the plunger rod 20 is depressed so as to switch the switch 19, thus indicating the state of opening of the lock. Thus, to modify the triggering of the switch 19, or its change of state, it will suffice to have the protrusion 14 on the bolt 1 at a precise location since it is the protrusion 14 of the bolt 1 which moves the cam 12 and thus causes the change of state of the switch 19.

Autrement dit, il apparaît clairement que dans la phase d'ouverture de la serrure c'est le pêne 1 qui définit, en fonction de sa position, le moment où il sera indiqué que la serrure est ouverte.In other words, it is clear that in the opening phase of the lock is the bolt 1 which defines, depending on its position, when it will be indicated that the lock is open.

On notera, comme cela est visible sur la figure 3, que la languette flexible 16 a passé la portion protubérante 17 du logement 13 au cours de son déplacement sous l'action de la protubérance 14 du pêne 1.Note, as is visible on the figure 3 , that the flexible tongue 16 has passed the protruding portion 17 of the housing 13 during its displacement under the action of the protuberance 14 of the bolt 1.

Sur la figure 4 sont illustrés les éléments de la serrure selon l'invention lorsque cette dernière est en position d'ouverture, la roue 7 ayant effectuée une rotation de manière à ramener le maneton 8 dans sa position initiale, c'est-à-dire que le maneton 8 revient dans sa position à proximité de la botte 10 du cliquet 9. En effet, le moteur électrique 5 continue à fonctionner pendant un temps défini (temporisation), puis après son arrêt, le moteur 5 est en court-circuit, ce qui favorise le freinage de la cinématique de la roue 7. La botte 10 du cliquet 9, sous l'action de son ressort de rappel, revient en appui contre le pêne 1, plus exactement, comme illustré sur la figure 4, c'est la dent de cliquet 4 qui vient en contact contre le pêne 1.On the figure 4 are illustrated the elements of the lock according to the invention when the latter is in the open position, the wheel 7 having rotated so as to return the crank pin 8 to its initial position, that is to say that the crank pin 8 returns to its position near the boot 10 of the pawl 9. Indeed, the electric motor 5 continues to operate for a defined time (time delay), then after stopping, the motor 5 is short-circuited, which favors the braking of the kinematics of the wheel 7. The boot 10 of the pawl 9, under the action of its return spring, rests against the bolt 1, more exactly, as illustrated in FIG. figure 4 it is the ratchet tooth 4 which comes into contact with the bolt 1.

Comme cela est visible sur la figure 5, le commutateur 19 reste dans son état indiquant l'ouverture de la serrure tandis que le pêne 1 tourne dans le sens trigonométrique sous l'action de la gâche appuyant sur une face du logement 23 du pêne 1. Sur la figure 5, le pêne 1 est tourné jusqu'au niveau où la dent de cliquet 4 se trouve presque en coopération avec le premier cran de fermeture 2 du pêne 1. Ainsi, entre la position pêne 1 ouvert et le premier cran de fermeture 2, le cliquet 9 reste en appui sur le pêne 1.As is visible on the figure 5 , the switch 19 remains in its state indicating the opening of the lock while the bolt 1 rotates in the trigonometric direction under the action of the striker pressing on one side of the housing 23 of the bolt 1. On the figure 5 , the bolt 1 is turned up to the level where the ratchet tooth 4 is almost in cooperation with the first notch 2 of the bolt 1. Thus, between the open position 1 bolt and the first notch 2, the pawl 9 remains in abutment on the bolt 1.

Lorsque le pêne 1 poursuit sa rotation, pendant la phase d'ouverture, la dent de cliquet 4 est maintenant en butée contre le premier de cran de fermeture 2 du pêne 1. A ce moment, une second protubérance 15 du pêne 1, s'étendant perpendiculaire au plan de rotation du pêne 1, vient en contact avec une surface 12d de la came 12, via ladite protubérance 15. Du fait de la rotation dans le sens trigonométrique du pêne 1, cette seconde protubérance 15 du pêne 1 agit sur la came 12 pour la ramener vers sa position initiale occupée lorsque la serrure est en position de fermeture, soit pour l'éloigner du cliquet 9. La languette flexible 16 vient en butée contre la portion 17 du logement 13.When the bolt 1 continues its rotation, during the opening phase, the ratchet tooth 4 is now in abutment against the first notch 2 of the bolt 1. At this moment, a second protrusion 15 of the bolt 1, s' extending perpendicular to the plane of rotation of the bolt 1, comes into contact with a surface 12d of the cam 12, via said protuberance 15. Due to the rotation in the trigonometric direction of the bolt 1, this second protrusion 15 of the bolt 1 acts on the cam 12 to bring it back to its initial position occupied when the lock is in the closed position, or to move away from the pawl 9. The flexible tongue 16 abuts against the portion 17 of the housing 13.

La rotation trigonométrique du pêne 1 entraîne la came 12 et donc la languette flexible 16 de sorte que cette dernière 16 passe la portion 17. Après le passage du premier cran de fermeture 2 du pêne 1, le pêne 1 libère la came 12, c'est-à-dire que la seconde protubérance 15 n'est plus en contact avec la came 12. Comme cela est visible sur la figure 7, on notera que le téton-plongeur 20 va alors sortir progressivement du boîtier du commutateur 19, car la translation de la came 12 amène le téton-plongeur 20 en contact avec un creux de la partie 21 de came 12 en forme d'ondulation ou de vague. Le téton-plongeur 20 passant de sa position rentrée à sa position sortie, le commutateur 19 change d'état, indiquant le passage du cliquet 9 en vis-à-vis du premier cran de fermeture 2 du pêne 1.The trigonometric rotation of the bolt 1 drives the cam 12 and therefore the flexible tongue 16 so that the latter 16 passes the portion 17. After the passage of the first locking notch 2 of the bolt 1, the bolt 1 releases the cam 12, c ' that is to say that the second protuberance 15 is no longer in contact with the cam 12. As can be seen on the figure 7 it will be noted that the plunger rod 20 will then progressively leave the housing of the switch 19, since the translation of the cam 12 causes the plunger rod 20 to come into contact with a recess in the ripple-shaped cam portion 12 or of wave. The plunger rod 20 from its retracted position to its extended position, the switch 19 changes state, indicating the passage of the pawl 9 vis-à-vis the first notch 2 of the bolt 1.

Le ressort de rappel 18 agit pour ramener la came 12 vers sa position initiale, soit à distance du cliquet 9. Ce déplacement de la came 12 a pour conséquence que le téton-plongeur 20 remonte en position rentrée car ce dernier est à nouveau en contact avec un sommet de la partie 21 de la came 12 en forme d'ondulation ou de vague, ceci entraînant un changement d'état du commutateur 19 indiquant que la serrure est ouverte, c'est-à-dire que le cliquet 9, ou sa dent 4, ne coopère pas avec le second cran de fermeture 3 du pêne 1.The return spring 18 acts to return the cam 12 to its initial position, or away from the pawl 9. This displacement of the cam 12 has the consequence that the plunger rod 20 rises in the retracted position because the latter is again in contact with an apex of the portion 21 of the wavy or wave shaped cam 12, thereby causing a change of state of the switch 19 indicating that the lock is open, i.e. the ratchet 9, or its tooth 4 does not cooperate with the second locking catch 3 of the bolt 1.

A ce stade, comme illustré sur la figure 8, la butée 11 du cliquet 9, plus exactement la butée 11 de la botte 10 du cliquet 9, vient en butée contre une surface 12a de la came 12. Ce contact entre le cliquet 9 et la came 12 a pour effet de stopper le déplacement de la came 12 vers sa position initiale, sous l'action de son ressort de rappel 18.At this point, as illustrated on the figure 8 , the abutment 11 of the pawl 9, more precisely the abutment 11 of the boot 10 of the pawl 9, abuts against a surface 12a of the cam 12. This contact between the pawl 9 and the cam 12 has the effect of stopping the movement the cam 12 to its initial position, under the action of its return spring 18.

Ainsi, si le cliquet 9, ou plus exactement la dent de cliquet 4, retombe en butée contre le premier cran de fermeture 2 du pêne 1, comme illustré sur la figure 9, le commutateur 19 indiquera toujours que la porte est ouverte, la came 12 ayant été ramenée dans sa position initiale sous l'action de la protubérance 15 du pêne 1 en contact avec sa face 12b.Thus, if the pawl 9, or more exactly the ratchet tooth 4, falls in abutment against the first locking notch 2 of the bolt 1, as illustrated in FIG. figure 9 , the switch 19 will always indicate that the door is open, the cam 12 having been returned to its initial position under the action of the protrusion 15 of the bolt 1 in contact with its face 12b.

En effet, si la dent du cliquet 4 coopère avec le premier cran de fermeture 2 du pêne 1, il est généralement considéré que la porte n'est pas fermée. On notera que la retombée du cliquet 9 au premier cran de fermeture 2 du pêne 1 autorise le déplacement de la came 12 vers sa position initiale uniquement d'une distance minimum pour laquelle le téton-plongeur 20 reste toujours en contact avec un sommet de la partie 21 de la came 12 en forme d'ondulation ou de vague de sorte que le commutateur 19 ne change pas d'état, indiquant toujours que la serrure est ouverte.Indeed, if the tooth of the pawl 4 cooperates with the first notch 2 of the bolt 1, it is generally considered that the door is not closed. Note that the fall of the pawl 9 to the first notch 2 of the bolt 1 allows the displacement of the cam 12 to its initial position only a minimum distance for which the pin-plunger 20 always remains in contact with a vertex of the portion 21 of the cam 12 in waveform or wave so that the switch 19 does not change state, always indicating that the lock is open.

Sur la figure 10 est illustrée l'instant où la dent de cliquet 4 arrive en coopération avec le second cran de fermeture 3, la coopération de la dent de cliquet 4 avec le second cran de fermeture 3 n'étant pas encore réalisée. On notera également qu'à ce stade, la butée 11 du cliquet 9 est toujours en contact avec une surface de la came 12 de sorte que la came 12 ne peut pas être déplacée sous l'action de son ressort de rappel 18.On the figure 10 is illustrated the moment when the ratchet tooth 4 comes into cooperation with the second locking notch 3, the cooperation of the ratchet tooth 4 with the second closure notch 3 not yet achieved. Note also that at this stage, the stop 11 of the pawl 9 is always in contact with a surface of the cam 12 so that the cam 12 can not be moved under the action of its return spring 18.

Sur la figure 11 est illustrée l'instant où le cliquet 9 retombe vers le pêne 1, la dent de cliquet 4 coopérant alors avec le second cran de fermeture 3 du pêne 1. La retombée du cliquet 9 libère la came 12 en écartant la butée 11 du cliquet 9, ce qui a pour conséquence le déplacement de la came 12 vers sa position initiale sous l'action de son ressort de rappel 18. Le déplacement de la came 12 amène le téton-plongeur 20 en contact avec un creux de la partie en forme d'ondulation ou de vague de sorte que le téton-plongeur 20 occupe sa position sortie, le commutateur 19 indiquant un changement d'état interprété comme l'indication de la serrure fermée.On the figure 11 is illustrated the moment when the pawl 9 falls towards the bolt 1, the ratchet tooth 4 then cooperating with the second locking notch 3 of the bolt 1. The fallout of the pawl 9 releases the cam 12 by removing the stop 11 of the pawl 9 as a result of which the cam 12 is moved towards its initial position under the action of its return spring 18. The displacement of the cam 12 brings the plunger rod 20 into contact with a recess in the shaped part. ripple or wave so the pin-diver 20 occupies its output position, the switch 19 indicating a change of state interpreted as the indication of the closed lock.

Ainsi, il apparaît clairement que l'indication « serrure fermée » est donnée ici par le cliquet 9 qui n'autorise le changement d'état du commutateur 19, via sa butée 11 agissant sur la came 12, qu'au moment où le cliquet 9 retombe vers le pêne 1, la dent de cliquet 4 étant en coopération avec le second cran de fermeture 3 du pêne 1.Thus, it clearly appears that the indication "closed lock" is given here by the pawl 9 which authorizes the change of state of the switch 19, via its stop 11 acting on the cam 12, only when the ratchet 9 falls back to the bolt 1, the ratchet tooth 4 being in cooperation with the second locking notch 3 of the bolt 1.

La figure 12 illustre une variante de l'ensemble came/commutateur 12/19 dans laquelle la came 12 porte désormais un aimant multi-pôles 22, ou des aimants accolés à polarité inversé, à la place de la partie 21 en forme d'ondulation ou de vague et le commutateur 19 consiste alors en un capteur à effet Hall, non représenté sur la figure 12. La cinématique ainsi que le résultat des informations d'état de la serrure décrites précédemment restent par ailleurs identique.The figure 12 illustrates a variant of the cam / switch assembly 12/19 in which the cam 12 now carries a multi-pole magnet 22, or contiguous magnets with inverted polarity, in place of the wave or wave-shaped portion 21. and the switch 19 then consists of a Hall effect sensor, not shown on the figure 12 . The kinematics and the result of the lock status information described above remain otherwise identical.

Les figures 13 à 17 illustrent un mode d'exécution d'une serrure ne faisant pas partie de l'invention et dans laquelle la came mobile 12 est fixée au cliquet 9. Cette serrure présente les caractéristiques suivantes :

  • la came 12 mobile d'actionnement du commutateur est fixée au cliquet 9,
  • la serrure comprend un support de guidage 23 fixe apte à guider la came mobile 12,
  • le pêne comprend deux protubérances 24, 25 destinées à coopérer avec la came mobile 9.
The Figures 13 to 17 illustrate an embodiment of a lock not forming part of the invention and in which the movable cam 12 is fixed to the pawl 9. This lock has the following characteristics:
  • the movable cam 12 for actuating the switch is fixed to the pawl 9,
  • the lock comprises a fixed guide support 23 adapted to guide the movable cam 12,
  • the bolt comprises two protuberances 24, 25 intended to cooperate with the movable cam 9.

En effet, comme on peut le voir sur la figure 13, la came mobile 9 est reliée au cliquet 9 et montée libre en rotation par rapport à ce dernier 9. La fixation de la came mobile 9 sur le cliquet est réalisée au niveau de la botte 10 du cliquet 9, sensiblement dans la partie supérieure de la botte 10. Par ailleurs, dans ce mode d'exécution ne faisant pas partie de l'invention, n'est pas nécessaire de disposer d'un logement 13 dans le boîtier de la serrure mais uniquement un support de guidage 23 destiné à maintenir la came mobile 9 et à la guider.Indeed, as we can see on the figure 13 , the movable cam 9 is connected to the pawl 9 and mounted free to rotate relative thereto 9. The fixing of the movable cam 9 on the pawl is performed at the level of the boot 10 of the pawl 9, substantially in the upper part of the boot 10. Moreover, in this embodiment not forming part of the invention, it is not necessary to have a housing 13 in the housing of the lock but only a guide support 23 for holding the movable cam 9 and guide.

Par ailleurs, le pêne 1 comprend sur sa périphérie deux protubérances 24 et 25 destinées à coopérer avec la came mobile 9. Dans l'exemple choisi pour illustrer l'invention, les autres éléments de la serrure selon le second mode d'exécution sont identiques avec ceux de la serrure selon la premier mode d'exécution.Furthermore, the bolt 1 comprises on its periphery two protuberances 24 and 25 intended to cooperate with the movable cam 9. In the example chosen to illustrate the invention, the other elements of the lock according to the second embodiment are identical. with those of the lock according to the first embodiment.

La support de guidage 23 comprend une partie en pente légère 27 ainsi qu'un décrochement 28, ou retrait, de manière à coopérer en support avec la came mobile 9, plus exactement l'extrémité libre de la came mobile 9.The guiding support 23 comprises a slightly sloping portion 27 and a recess 28, or withdrawal, so as to cooperate in support with the movable cam 9, more exactly the free end of the movable cam 9.

La serrure est illustrée dans son état fermée sur la figure 17.The lock is illustrated in its closed state on the figure 17 .

Lorsque le moteur électrique 5 entraîne en rotation la roue 7, via l'arbre moteur 6, le maneton 8 pousse le cliquet 9 à l'encontre de son ressort de rappel 18 en le dégageant du pêne 1.When the electric motor 5 rotates the wheel 7, via the drive shaft 6, the pin 8 pushes the pawl 9 against its return spring 18 by releasing it from the bolt 1.

La figure 14 illustre ainsi le moment où le cliquet 9 est dégagé du pêne 1, ce dernier 1 étant alors libéré et pouvant tourner, sous l'effet de son ressort (non représenté), pour désengager la gâche (non représentée).The figure 14 illustrates the moment when the pawl 9 is released from the bolt 1, the latter 1 being then released and rotatable, under the effect of its spring (not shown), to disengage the striker (not shown).

On notera que le téton plongeur 20 est enfoncé lorsque le cliquet 9, via sa dent de cliquet 4, bloque le pêne 1 au second cran de fermeture 3 ; le commutateur indiquant ainsi que la serrure est bien fermée. Dès que le cliquet 9, et sa dent 4, tourne pour libérer le pêne, la came mobile 9 est entraînée par sa liaison avec le cliquet 9. La géométrie particulière de la came mobile 9 destinée à coopérer avec le téton plongeur 20 consiste notamment en une partie en retrait 26. Lors de la rotation du cliquet 9, sous l'action du maneton 8, la came mobile 9 est déplacée de sorte que le retrait 26 se trouve en vis-à-vis du téton-plongeur 20, ce dernier 20 est alors libéré vers sa position extrême et le commutateur 19 change d'état ce qui indique que la serrure est ouverte.It will be noted that the plunger nib 20 is depressed when the pawl 9, via its ratchet tooth 4, blocks the bolt 1 at the second closing catch 3; the switch thus indicating that the lock is closed. As soon as the pawl 9, and its tooth 4, rotate to release the bolt, the movable cam 9 is driven by its connection with the pawl 9. The particular geometry of the movable cam 9 intended to cooperate with the plunger pin 20 consists in particular of a recessed part 26. During the rotation of the pawl 9, under the action of the crankpin 8, the movable cam 9 is moved so that the recess 26 is opposite the plunger rod 20, the latter 20 is then released to its extreme position and the switch 19 changes state indicating that the lock is open.

La figure 15 illustre la serrure ne faisant pas partie de l'invention en position ouverte, le cliquet 9 repose contre le pêne 1. On note également que l'extrémité libre de la came mobile 9 repose sur le support de guidage 23.The figure 15 illustrates the lock not part of the invention in the open position, the pawl 9 rests against the bolt 1. It is also noted that the free end of the movable cam 9 rests on the guide support 23.

Dans la cinématique de fermeture de la serrure, initialement en position ouverte comme illustrée sur la figure 15, le pêne 1 tourne en sens contraire à la cinématique d'ouverture, la came mobile 9 étant guidé sur le support 23. Comme cela est visible sur la figure 16, lorsque ou si la dent de cliquet 4' est en contact avec le premier cran de fermeture 2 du pêne 1, la came mobile 9 n'appuie pas sur le téton plongeur 20, du fait du retrait 26 de la came 9 de sorte que le commutateur 19 ne change pas d'état et indique toujours l'état ouvert de la serrure.In the closing kinematics of the lock, initially in the open position as illustrated on the figure 15 , the bolt 1 rotates in the opposite direction to the kinematic opening, the movable cam 9 being guided on the support 23. As can be seen on the figure 16 when or if the ratchet tooth 4 'is in contact with the first locking notch 2 of the bolt 1, the movable cam 9 does not rest on the plunger nib 20, because of the withdrawal 26 of the cam 9 so that the switch 19 does not change state and always indicates the open state of the lock.

Par contre, lorsque la dent de cliquet 4' coopère avec le second cran de fermeture 3 du pêne 1, la came mobile 9 appuie sur le téton plongeur 20 de manière à enfoncer ce dernier et le commutateur 19 change d'état pour indiquer l'état fermé de la serrure. Ce changement d'état du commutateur 19, c'est-à-dire la pression de la came mobile 9 sur le téton plongeur 20, n'a lieu qu'au moment où la dent de cliquet 4' coopère effectivement avec le second cran de fermeture 3 du pêne 1, ceci en raison de la géométrie particulière de la came 9, en l'occurrence de son retrait 26.On the other hand, when the ratchet tooth 4 'cooperates with the second locking notch 3 of the bolt 1, the movable cam 9 presses the plunger nib 20 so as to depress the latter and the switch 19 changes state to indicate the ratchet. closed state of the lock. This change of state of the switch 19, that is to say the pressure of the movable cam 9 on the plunger pin 20, takes place only when the ratchet tooth 4 'actually cooperates with the second detent closure 3 of the bolt 1, this because of the particular geometry of the cam 9, in this case its withdrawal 26.

Il est rappelé ici que l'invention n'est pas limitée à une serrure électrique et aurait été décrite sensiblement de la même manière dans une serrure totalement mécanique, c'est-à-dire ne comportant aucun moteur électrique destiné à commander ou actionner la chaine cinématique destinée à agir sur le cliquet. Dans le cas d'une serrure mécanique, l'actionneur électrique 5,6, représenté sur les figures annexées, serait simplement remplacé par un actionneur mécanique.It is recalled here that the invention is not limited to an electric lock and would have been described substantially in the same manner in a fully mechanical lock, that is to say having no electric motor for controlling or actuating the lock. kinematic chain for acting on the ratchet. In the case of a mechanical lock, the electric actuator 5.6, shown in the accompanying figures, would simply be replaced by a mechanical actuator.

Claims (13)

  1. Lock boasting a single switch for indicating the "pen" or "closed" state of said lock, comprising an actuator (5, 6) acting upon a kinematic chain (7) so as to realize the functions of the lock, a switch (19) capable of indicating the states of the lock, a bolt (1) having two closing notches (2, 3), a pawl (9) containing a pawl tooth (4) designed to engage with the first (2) or the second closing notch (3) of the bolt (1), comprising a switch-actuating cam (12), said actuating cam (12) being displaceable under the action of the bolt (1) and/or of the pawl (9) during the opening and/or closing phase of the lock such that during the opening/closing phases the bolt (1) and the pawl (9) cooperate with the cam (12), characterized in that the cam (12) is mobile in translation.
  2. Lock according to Claim 1, characterized in that during the opening phase the pawl (9) cooperates first with the cam (12), while during the closing phase the bolt (1) cooperates first with the cam (12).
  3. Lock according to either of the preceding claims, characterized in that the cam (12) is accommodated in a recess (13) of the housing of the lock.
  4. Lock according to any one of the preceding claims, characterized in that the cam (12) is subjected to the action of a permanent force tending to return said cam (12) into an initial position.
  5. Lock according to Claims 3 and 4, characterized in that the initial position of the cam (12) is the position in which the cam (12) butts against one end of the recess (13) of the housing.
  6. Lock according to Claim 3 or 5, characterized in that the cam (12) contains a flexible tongue (16) cooperating with a portion (17) of the recess (13) of the housing.
  7. Lock according to Claim 1, characterized in that the switch-actuating mobile cam (12) is fixed to the pawl (9).
  8. Lock according to Claim 7, characterized in that it comprises a fixed guide support (23) capable of guiding the mobile cam (12).
  9. Lock according to either of Claims 7 and 8, characterized in that the bolt comprises two protuberances (24, 25) designed to cooperate with the mobile cam (9).
  10. Lock according to any one of the preceding claims, characterized in that the switch (19) comprises a plunger (20) cooperating with a part (21) of the surface of the actuating cam (12) for its activation/deactivation.
  11. Lock according to any one of Claims 1 to 9, characterized in that the switch (19) consists of a Hall effect sensor and in that the cam (12) comprises a multipolar magnet (22).
  12. Lock according to any one of the preceding claims, characterized in that the actuator (5, 6) is an electric actuator.
  13. Lock according to any one of Claims 1 to 11, characterized in that the actuator (5, 6) is a mechanical actuator.
EP06708447A 2005-03-01 2006-02-22 Lock having a single switch Not-in-force EP1863989B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0502048A FR2882773B1 (en) 2005-03-01 2005-03-01 LOCK HAVING A SINGLE SWITCH
PCT/EP2006/060176 WO2006092372A1 (en) 2005-03-01 2006-02-22 Lock having a single switch

Publications (2)

Publication Number Publication Date
EP1863989A1 EP1863989A1 (en) 2007-12-12
EP1863989B1 true EP1863989B1 (en) 2011-11-09

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EP06708447A Not-in-force EP1863989B1 (en) 2005-03-01 2006-02-22 Lock having a single switch

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US (1) US8388029B2 (en)
EP (1) EP1863989B1 (en)
AT (1) ATE532924T1 (en)
ES (1) ES2376587T3 (en)
FR (1) FR2882773B1 (en)
WO (1) WO2006092372A1 (en)

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Also Published As

Publication number Publication date
EP1863989A1 (en) 2007-12-12
WO2006092372A1 (en) 2006-09-08
US20080136196A1 (en) 2008-06-12
US8388029B2 (en) 2013-03-05
FR2882773A1 (en) 2006-09-08
ATE532924T1 (en) 2011-11-15
ES2376587T3 (en) 2012-03-15
FR2882773B1 (en) 2009-01-16

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