CN100407355C

CN100407355C - Circuit-controllable protector

Info

Publication number: CN100407355C
Application number: CN2005100828639A
Authority: CN
Inventors: 游聪谋
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-07-11
Filing date: 2005-07-11
Publication date: 2008-07-30
Anticipated expiration: 2025-07-11
Also published as: CN1897201A

Abstract

A circuit controlling protector, it is: the button moving pivot connects with the opening of the box, the one end of the button extends downward to gore the one end of the touching slice, sets the ejection at the other end inner edge of the button, the ejection gores the other end of the touching slice; the extending end of the button drives the one end of the touching slice by swinging of the button, or the ejection on other end of the button gores the other end of the touching slice, the touching slice jumps up and down, forms (on) state or (off) state of the circuit loop; the button does not gore and limit the other end of the touching slice when the button is located at the (on) position, the touching slice can jump freely, and the touching slice reverse bounce by the heating distortion when the current overloads, forms (off) state of the circuit loop.

Description

Circuit-controllable protector

Technical field

The invention relates to a kind of protector structure of circuit control, by swinging with the articulated section by a button, the left and right two ends of button push against the two ends of contact chip respectively, make that the contact chip two ends are upper and lower beats, and form energising (ON) or outage (OFF) state of circuit loop; And when button is positioned at the position of circuit turn-on (ON), this button is not replaced, is not limited contact chip, makes the contact chip can free escape, during current overload, and contact chip temperature distortion and oppositely spring forms the outage (OFF) of circuit loop.

Background technology

Various common constructions of switch, of a great variety too numerous to enumerate, main energising (ON) and outage (OFF) the two kinds of actuating travels of being of its operation of the construction of switch of power supply, so the continuous action relation between button, linked component and the elastic contact chip is at the using character of construction of switch and occupy conclusive key on useful life; Because the circuital current overload causes the electricity consumption danger that circuit is overheated, electric wire cocks off breaking out of fire, have the switch with current overload jump construction of all kinds for further preventing on the market.

In general, the shortcoming of known switch is as follows:

(a) modular construction of switch inside is complicated, assembles time-consumingly, and actuating travel is wordy and increase cost of manufacture.

(b) the mutual mis-arrange of linked component causes the bending of elastic contact chip to beat and can not be positioned a side really, and switch is uncertain in the start of carrying out energising (ON) or outage (OFF).

(c) during the current overload escape, elastic contact chip is escape and be positioned outage (OFF) position really, and the switch on state of (ON) of rebound again when elastic contact chip cool off can't effectively ensure the Electrical Safety of current overload state.

(d) behind the current overload escape, directly interlock makes button or button go back to the position of putting outage (OFF), and inconvenience is beneficial to user's identification and operation.

Summary of the invention

The invention reside in the shortcoming that solves above-mentioned known switches, reach the linked component of simplifying switch, reach the action of outage (OFF), energising (ON) with simpler and easy effective serial verb construction, can guarantee outage (OFF) state of circuit during the current overload escape, and make button or button go back to the position of putting outage (OFF).

The invention provides a kind of circuit-controllable protector, it is articulated in the opening of box body with a button activity, and an end of button extends an end of replacing a contact chip downwards, extends an ejector in the other end of button, and this ejector is resisted against the other end of aforementioned contact chip; By pressing button swing, the end that button is extended promotes an end of contact chip, or the ejector of the other end of button promotes the other end of contact chip, makes that the contact chip two ends are upper and lower beats, and forms energising (ON) or outage (OFF) state of circuit loop; Be positioned at the position of circuit turn-on (ON) when button, the set perforation of the end of the ejector of this button corresponding sensing contact chip, make button not replace, not limit contact chip, contact chip can freely be beated, during current overload, contact chip temperature distortion and oppositely spring forms the outage (OFF) of circuit loop.

Circuit-controllable protector provided by the invention, its main purpose effect is, with the button swing that articulates, one end of one end ejection contact chip of button, or the other end of the ejector ejection contact chip of the other end of button, the two ends of contact chip are directly promoted and upper and lower beating, form energising (ON) or outage (OFF) state of circuit loop; When button is positioned at the position of circuit turn-on (ON), this button is not replaced, is not limited contact chip, and contact chip can freely be beated, and during current overload, contact chip temperature distortion and oppositely spring forms the outage (OFF) of circuit loop reaches the purpose of Electrical Safety.

Of the present invention time a purpose effect is, directly replace the two ends of contact chip with the button two ends, directly the control contact chip beats to form circuit turn-on (ON) or open circuit (OFF), effectively simplify the linked component of power control switch, make the interlock of switch more direct, rapid, reduce the delay issue of assembly interlock time-histories, also reduce the fault of power control switch.

A further object of the present invention effect is, when circuit is overheated, contact flat spring temperature distortion and back-flexing, escape rapidly, and be complete escape off-position, avoid contact flat spring when cooling rebound "on" position more again, can not continue to switch on repeatedly, cut off the power supply forms the contact spark and causes danger.

Extension purpose of the present invention is, simplifies the assembly of the whole interlock of power control switch, and assembling can effectively reduce manufacturing cost easily, and prolongs the useful life of power control switch structure, reduces consumption user's expenditure.

Description of drawings

Fig. 1 is the assembled sectional view of the embodiment of the invention, and it shows the state of the outage (OFF) of the embodiment of the invention;

Fig. 2 is the assembled sectional view of the embodiment of the invention, and it shows the state of the energising (ON) of the embodiment of the invention;

Fig. 3 is the partial enlarged drawing of Fig. 2, the state of the perforation 320 of the elastic component 32 of the end bar 221 movable embedding contact chips 3 of the ejector 22 of its Show Button 2;

Fig. 4 is the assembled sectional view of the embodiment of the invention, and it shows the embodiment of the invention when energising (ON) situation current overload, contact chip and contact site back-flexing escape, the state of become to cut off the power supply (OFF);

Fig. 5 is the partial enlarged drawing of Fig. 4, when it shows current overload, and the perforation 320 of the elastic component 32 of contact chip 3 and the state of end bar 221 relative displacements of the ejector 22 of button 2;

Fig. 6 is the three-dimensional exploded view of the embodiment of the invention.

Among the figure

1 box body

11 first contact terminals

12 second contact terminals

121 second contacts

2 buttons

21 protuberances

22 ejectors

211 end bars

3 contact chips

31 contact sites

311 first contacts

312 lugs

313 protrude sheet

32 elastic components

320 perforation

321 first button holes

322 second button holes

Embodiment

For describing purpose of the present invention, feature and effect in detail, now by following preferable specific embodiment, conjunction with figs. is described in detail as the back the present invention:

Shown in Fig. 1,2 and 4, be the assembled sectional view of the embodiment of the invention, contact chip back-flexing escape became the state of outage (OFF) when it showed outage (OFF), energising (ON) and the current overload of the embodiment of the invention respectively; A kind of circuit-controllable protector of the present invention (ten), it consists predominantly of a box body 1, a button 2, a contact chip 3; Wherein,

This box body 1 is a hollow form, its top is provided with an opening, the bottom surface group of box body 1 is established at least two contact terminals, be two contact terminals in the present embodiment, be respectively first,

second contact terminal

11,12, one end of first contact terminal, 11 top kink fixed combination contact chips 3, second contact terminal, 12 tops are combined with one second contact 121.

This button 2 is a calyptra, and button 2 is articulated in the opening of box body 1 top versatilely, and making button 2 be able to the articulated section is that swing in the axle center; One end (left end) of button 2 extends to form protuberance 21 downwards, extend an ejector 22 in the other end of button 2 (right-hand member), the end connection of this ejector 22 is provided with an end bar 221, the external diameter of this end bar 221 is less than the external diameter of aforesaid ejector 22, and end bar 221 is the bullet of end circular arc, external diameter convergent.

This contact chip 3 is roughly a rubber-like metal lamellar body, and it forms the curved arc shape, and contact chip 3 lamellar bodies can be beated to two side faces; One end fixed combination of contact chip 3 is on first contact terminal 11 of aforementioned box body 1, and the other end of contact chip 3 is a free end; Establish ㄇ shape groove and make central part form a contact site 31 in contact chip 3 lamellar bodies, these contact site 31 1 ends are connected near contact chip 3 free-ended sides, contact site 31 combinations are provided with first contact 311, and the free end of contact site 31 protrudes from the plane of contact chip 3 lamellar bodies; In addition with reference to figure 6, the free end of this contact site 31 is established a lug 312, with these lug 312 active buckles in first button hole 321 of elastic component 32 ends, this elastic component 32 is the lamellar body of curved arc shape, a perforation 320 is established on the curved arc end face right side of elastic component 32, the other end of elastic component 32 is provided with second button hole 322, with the protrusion sheet 313 of these second button hole, 322 active buckles in contact chip 3 lamellar body ㄇ shapes fluting; Elastic force by the compression generation of elastic component 32 two ends, the free end bending up or down of the aforementioned contact site 31 of ejection is beated, and when the free end of contact chip 3 is bent downwardly when beating, the make progress back-flexing spring of the free end of aforesaid contact site 31, when the free end of contact chip 3 is bent upwards when beating, the downward back-flexing spring of the free end of contact site 31, promptly, the free end of the free end of contact chip 3 and contact site 31 keeps the state of back-flexing spring mutually, other is the person, aforementioned contact site 31 is by the elastic force of the elastic component 32 of contact site 31 free ends institute snapping, and is crooked really and be positioned the reverse curved arc side of contact chip 3.

When combination was implemented, the protuberance 21 that button 2 one ends extend was resisted against an end (free end) of contact chip 3, and the end bar 221 of ejector 22 ends of button 2 other ends is resisted against the elastic component 32 curved arc end faces of contact site 31 snappings of aforementioned contact chip 3.

The present invention is in the enforcement of general energising (ON) with outage (OFF); Please refer to Fig. 1, when the left end of pressing button 2 downward, the protuberance 21 that these button 2 left ends extend is replaced the free end of contact chip 3 downwards and is beated downwards, contact site 31 free ends of contact chip 3 are made progress, oppositely bounce, first contact 311 on the contact site 31 separates with second contact 121 of second contact terminal 12, becomes outage (OFF) state.

When the right-hand member of pressing button 2 downward, the elastic component 32 curved arc end faces of contact site 31 snappings of the end bar 221 downward ejection contact chips 3 of ejector 22 ends are downward, making elastic component 32 is axle and (left) turn below left counterclockwise with the right-hand member, contact site 31 free ends of the left end interlock contact chip 3 of elastic component 32 are to bottom offset, spring, first contact 311 on the contact site 31 contacts with second contact 121 of second contact terminal 12, become energising (ON) state, as Fig. 2; At this moment, the free end of contact chip 3 is spring upwards, and is opposite with the direction of contact site 31 free ends spring downwards.

As above-mentioned, pressing button 2 left ends, right-hand member repeatedly, make the protuberance 21 that button 2 one ends extend and the end bar 221 of ejector 22 ends of the other end replace, promote the elastic component 32 of contact site 31 snappings of the free end of contact chip 3 and contact chip 3 respectively, make upper and lower the beating of contact site 31 free ends of contact chip 3, first contact 31 of contact site 31 separates, contacts with second contact 121 of second contact terminal 12, forms outage (OFF) or energising (ON) state of circuit loop.

Be positioned at the position of circuit turn-on (ON) when button 2, as shown in Figure 2, other is with reference to the partial enlarged drawing of figure 3, end bar 221 external diameters of the ejector 22 of these button 2 right-hand members are less than perforation 320 internal diameters of the elastic component 32 of contact chip 3, and local movable the embedding in right-hand perforation 320 of elastic component 32 curved arc end faces of end bar 221 front ends of this ejector 22, and bore a hole 320 with the end of the ejector 22 of button 2 (promptly, the junction of end bar 221 and ejector 22) still keeps a segment distance between, this distance provides the elastic component 32 of aforementioned contact chip 3 to make progress, free displacement space to the right, other is with reference to the partial enlarged drawing of figure 5, therefore, the elastic component 32 that the end bar 221 of ejector 22 can not replaced restriction contact chip 3 makes progress, free displacement to the right, during current overload, contact chip 3 is the back-flexing spring with contact site 31 temperature distortions, contact chip 3 free ends are downward, contact site 31 free ends are spring upwards, make that first contact 311 separates with second contact, 121 escapes of second contact terminal 12 on the contact site 31, form outage (OFF) the state person of circuit loop, as shown in Figure 4.

At this moment, but the left end of user's pressing button 2 is downward, button 2 right-hand members and ejector 22 are to top offset, make the end bar 221 of ejector 22 upwards leave the perforation 320 of the elastic component 32 of contact chip 3, end bar 221 contacts of ejector 22 are resisted against the contact site 31 curved arc end faces of contact chip 3, be returned to the state that re-uses of general outage (OFF), as shown in Figure 1.

Below this novel work one is described in detail, but the above only is preferred embodiment of the present invention, can not limit scope of the invention process.Be that all equalizations of doing according to the present patent application scope change and modify etc., all should still belong in the patent covering scope of the present invention.

Claims

1. circuit-controllable protector, it has a box body, a button, a contact chip, an interlock rod member; Wherein,

This box body is a hollow form, and its top is provided with an opening, and the bottom surface of box body is provided with at least two contact terminals;

Be articulated in to this button activity the opening of box body top, button is that swing in the axle center with the articulated section: an end of button extends downwards, extends an ejector in the other end of button, and the end connection of this ejector is provided with an end bar;

This contact chip is a rubber-like metal lamellar body, can beat to the two side faces of contact chip lamellar body; One end fixed combination of contact chip is on a contact terminal of aforementioned box body, and the other end of contact chip is a free end; Establish a contact site at the contact chip lamellar body, this contact site one end is connected in contact chip, the contact site combination is provided with first contact, the free end of contact site protrudes from the plane of contact chip lamellar body, the free end active buckle of this contact site is in an elastic component end, the end face of this elastic component is provided with a perforation, and the other end active buckle of elastic component is in the contact chip lamellar body; Elastic force by elastic component, the free end of the aforementioned contact site of ejection bending is up or down beated, and the free end of contact chip and the free end of contact site keep the state of back-flexing spring mutually, when contact chip and contact site are heated, are out of shape back-flexing respectively and bounce to the another side;

During combination, the end that aforementioned button extends is replaced the free end of aforementioned contact chip, and the end bar of the ejector of the button other end is resisted against the end face of elastic component of the contact site snapping of contact chip;

Pressing button left end, right-hand member swing repeatedly, make the end bar of the ejector of the end that button extends and the other end replace, promote the end face of the elastic component of the free end of contact chip and contact chip respectively, make upper and lower the beating of contact site free end of contact chip, form the outage or the "on" position of circuit loop;

Be positioned at the position of circuit turn-on when button, in the perforation of the elastic component of the contact site snapping of the movable embedding of the end bar of the ejector of this button contact chip, between the end bar of the ejector of this perforation and button a segment distance is arranged, the elastic component that this distance provides aforementioned contact chip upwards, free displacement space to the right, make the end bar of ejector can not replace the free displacement of the elastic component of restriction contact chip, during current overload, contact chip and contact site temperature distortion and back-flexing spring forms the outage of circuit loop.

2. circuit-controllable protector as claimed in claim 1; at least two contact terminals that wherein said box body is provided with; be respectively first, second contact terminal, the first contact terminal top fixing group of kink is established an end of contact chip, and second contact terminal top is combined with one second contact.

3. circuit-controllable protector as claimed in claim 1, wherein,

The external diameter of the end bar of the ejector of this button is less than the external diameter of aforementioned ejector, and the end bar is the bullet of end circular arc, external diameter convergent;

The internal diameter of the perforation that the elastic component of the contact site snapping of this contact chip is set is greater than the external diameter of the end bar of the ejector of aforementioned button.

4. circuit-controllable protector as claimed in claim 1, wherein this contact chip is the composition metal thin slice.

5. circuit-controllable protector as claimed in claim 1; wherein the free end of this contact site is established a lug; in first button hole of elastic component end, the other end of elastic component is provided with second button hole with this lug active buckle, with the protrusion sheet of this second button hole active buckle in contact chip lamellar body fluting.

6. circuit-controllable protector as claimed in claim 1, wherein the elastic component of the contact site snapping of this contact chip is the lamellar body of arc.