DE102005041856A1 - Piston-cylinder unit for vehicle, has piston rod guide provided in outer pipe, where end of pipe turned to guide is closed by closure cap, which is deformed by exerting radially acting magnetic force from electromagnet - Google Patents
Piston-cylinder unit for vehicle, has piston rod guide provided in outer pipe, where end of pipe turned to guide is closed by closure cap, which is deformed by exerting radially acting magnetic force from electromagnet Download PDFInfo
- Publication number
- DE102005041856A1 DE102005041856A1 DE200510041856 DE102005041856A DE102005041856A1 DE 102005041856 A1 DE102005041856 A1 DE 102005041856A1 DE 200510041856 DE200510041856 DE 200510041856 DE 102005041856 A DE102005041856 A DE 102005041856A DE 102005041856 A1 DE102005041856 A1 DE 102005041856A1
- Authority
- DE
- Germany
- Prior art keywords
- piston
- cap
- piston rod
- outer tube
- closure cap
- 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.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
- F16F9/3242—Constructional features of cylinders of cylinder ends, e.g. caps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2226/00—Manufacturing; Treatments
- F16F2226/04—Assembly or fixing methods; methods to form or fashion parts
Abstract
Description
Die Erfindung bezieht sich auf ein Kolben-Zylinder-Aggregat mit einer Kolbenstange, einem an der Kolbenstange befestigten Dämpfungskolben, der den Arbeitszylinder in zwei Arbeitsräume unterteilt, wobei eine Kolbenstangenführung in einem äußeren Rohr zur Zentrierung und Führung der Kolbenstange vorgesehen ist und dass das der Kolbenstangenführung zugewandte Ende des äußeren Rohres mittels einer Verschlusskappe verschlossen ist.The The invention relates to a piston-cylinder unit with a Piston rod, a damping piston attached to the piston rod, the work cylinder divided into two working spaces, with a Piston rod guide in an outer tube for centering and guiding the piston rod is provided and that facing the piston rod guide End of the outer tube is closed by a cap.
Es
sind bereits hydropneumatische Zweirohr-Schwingungsdämpfer bekannt
(
Hiervon ausgehend ist es Aufgabe der Erfindung ein Kolben-Zylinder-Aggregat zu schaffen, welches verschließbar ist, wobei jedoch weder Korrosionsprobleme auftreten können noch eine Zerstörung des Behälterrohres beim Wiederöffnen der Verschlusskappe auftritt.Of these, Based on the object of the invention, a piston-cylinder unit to create, which closable is, but neither corrosion problems can occur nor a destruction of the container tube when reopening the cap occurs.
Zur Lösung dieser Aufgabe ist erfindungsgemäß vorgesehen, dass auf die Verschlusskappe eine radial wirkende Magnetkraft FM ausgeübt wird, die die Deformation der Verschlusskappe bewirkt.To achieve this object, the invention provides that on the cap a radially acting magnetic force F M is exercised, which causes the deformation of the cap.
Durch Verwenden eines derartigen Verschließens lässt sich später im Reparaturfalle die Verschlusskappe mechanisch trennen, ohne dass das Behälterrohr zerstört werden muss, so dass die übrigen Bauteile wieder verwendet werden können.By Using such a closure can be later in the case of repair, the cap mechanically separate without destroying the container tube must, so the rest Components can be reused.
Nach einem wesentlichen Merkmal ist vorgesehen, dass die Verschlusskappe aus einer Leichtmetall-Legierung besteht.To a significant feature is provided that the cap made of a light metal alloy.
Eine besonders günstige Ausführungsform sieht vor, dass die Verschlusskappe zur axialen Verspannung der mindestens einzelner, innerhalb des äußeren Roh res angeordneten Bauteile verwendet wird. Vorteilhaft ist hierbei, dass durch die Nutzung der Verschlusskappe gleichzeitig die Vorspannung auf die inneren Bauteile (Kolbenstangendichtung, Kolbenstangenführung, Zylinderrohr und Bodenventil) ausgeübt wird, so dass ein späteres Öffnen der Verschlusskappe eine Demontage der Einzelteile gewährleistet.A especially cheap Embodiment sees before that the cap for axial clamping of at least single, within the outer raw res arranged components is used. It is advantageous here that by using the cap at the same time the bias on the internal components (piston rod seal, piston rod guide, cylinder tube and bottom valve) will, allowing a later opening of the cap ensures disassembly of the items.
Eine wesentliche Ausführungsform sieht vor, dass die Verschlusskappe formschlüssig mit dem äußeren Rohr verbunden ist.A essential embodiment provides that the closure cap is form-fitting with the outer tube connected is.
Darüber hinaus ist vorgesehen, dass das äußere Rohr im Bereich der Verschlusskappe mindestens einzelne Ausnehmungen aufweist. Dabei wird mit Vorteil die Verschlusskappe in die Ausnehmungen hineinverformt.Furthermore is provided that the outer tube in the region of the cap at least individual recesses having. It is advantageous the cap in the recesses into deformed.
Ein besonderes Verschließen ist vorgesehen, indem die radial wirkende Kraft erst dann aufgebracht wird, wenn die Verschlusskappe radial vorgespannt ist.One special closure is provided by the radial force applied only then when the cap is radially biased.
Eine besonders günstige Ausführungsform sieht vor, dass als Ausnehmungen über mindestens einen Teil des Umfangs des äußeren Rohres Formrillen vorgesehen sind.A especially cheap Embodiment sees ago that as recesses about provided at least part of the circumference of the outer tube forming grooves are.
Nach einem wesentlichen Merkmal ist vorgesehen, dass die Magnetkraft FM ein Elektromagnet vorgesehen ist, dessen Magnetspule das äußere Rohr koaxial umgibt.According to a significant feature, it is provided that the magnetic force F M is provided an electromagnet whose magnetic coil coaxially surrounds the outer tube.
Bevorzugte Ausführungsbeispiele der Erfindung sind in den Figuren schematisch dargestellt.preferred embodiments The invention are shown schematically in the figures.
Es zeigt:It shows:
Das
in
Die
Kolbenstange
Aus
der
Nach
Einbringen der Einzelteile, wie Kolbenstange, Dämpfungskolben sowie der Kolbenstangenführung wird über die
Verschlusskappe
Die
Ausnehmungen
- 11
- Kolben-Zylinder-AggregatePiston-cylinder units
- 22
- Kolbenstangepiston rod
- 33
- Dämpfungskolbendamping piston
- 44
- Arbeitszylinderworking cylinder
- 55
- Arbeitsräumeworkrooms
- 66
- KolbenstangenführungPiston rod guide
- 77
- äußeres Rohrouter tube
- 88th
- Verschlusskappecap
- 99
- Ausnehmungenrecesses
- 9a9a
- Formrillenform grooves
- 1010
- Magnetspulesolenoid
- 1111
- Abstreiferscraper
- 1212
- DruckanschlagfederPressure stop spring
- 1313
- Vorsprüngenprojections
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510041856 DE102005041856A1 (en) | 2005-09-02 | 2005-09-02 | Piston-cylinder unit for vehicle, has piston rod guide provided in outer pipe, where end of pipe turned to guide is closed by closure cap, which is deformed by exerting radially acting magnetic force from electromagnet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510041856 DE102005041856A1 (en) | 2005-09-02 | 2005-09-02 | Piston-cylinder unit for vehicle, has piston rod guide provided in outer pipe, where end of pipe turned to guide is closed by closure cap, which is deformed by exerting radially acting magnetic force from electromagnet |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102005041856A1 true DE102005041856A1 (en) | 2007-03-15 |
Family
ID=37762904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200510041856 Ceased DE102005041856A1 (en) | 2005-09-02 | 2005-09-02 | Piston-cylinder unit for vehicle, has piston rod guide provided in outer pipe, where end of pipe turned to guide is closed by closure cap, which is deformed by exerting radially acting magnetic force from electromagnet |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102005041856A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007014247A1 (en) * | 2007-03-24 | 2008-09-25 | Zf Friedrichshafen Ag | Method for producing vibration damper with travel-dependent stop spring entails having a stop ring fixed on displacement rod by radially acting force created as a result of magnetic field interacting with induced electric current |
DE102007030549A1 (en) * | 2007-06-30 | 2009-01-02 | Zf Friedrichshafen Ag | Piston-cylinder assembly |
DE102007036489A1 (en) * | 2007-08-01 | 2009-02-19 | Zf Friedrichshafen Ag | Vibration damper with a pressure stop spring |
DE102008032724A1 (en) * | 2008-07-11 | 2010-02-04 | Zf Friedrichshafen Ag | Vibration damper, has cylinder pipe connected with piston rod guide, where radially acting magnetic force is exerted at connection of cylinder pipe in region of cylindrical outer surface of piston rod guide, and causes deformation of pipe |
DE102009011043A1 (en) * | 2009-02-28 | 2010-09-02 | Volkswagen Ag | Piston rod guide for double pipe damper for wheel suspension of motor vehicle, has base body with piston rod opening, and has annular-disk for manipulation of bypass cross-section |
WO2015117783A1 (en) * | 2014-02-06 | 2015-08-13 | Zf Friedrichshafen Ag | Cylinder, in particular for a tuned mass damper, having a sleeve-shaped add-on piece |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3313536A (en) * | 1965-02-01 | 1967-04-11 | Gen Motors Corp | Shock absorber |
US3848325A (en) * | 1972-05-01 | 1974-11-19 | C Bimba | Method for assembling body and end sections for fluid power cylinder |
GB2064715A (en) * | 1979-12-01 | 1981-06-17 | Fichtel & Sachs Ag | Piston cylinder device |
DE3128723A1 (en) * | 1981-07-21 | 1983-02-10 | Fichtel & Sachs Ag, 8720 Schweinfurt | HYDROPNEUMATIC TWO TUBE VIBRATION DAMPER OR SHOCK ABSORBER INSERT WITH A CAP FOR A CONTAINER TUBE |
FR2589970A1 (en) * | 1985-11-08 | 1987-05-15 | Bonafous Jean | Assembly of a bellows by magnetic forming |
FR2613790A1 (en) * | 1987-04-07 | 1988-10-14 | Peugeot Aciers Et Outillage | Transmission shaft particularly for a motor vehicle |
US4930204A (en) * | 1989-02-01 | 1990-06-05 | A. O. Smith Corporation | Method of forming composite tubular structure |
DE4315458C2 (en) * | 1993-05-10 | 1996-12-05 | Fichtel & Sachs Ag | Valve for a hydraulic telescopic vibration damper |
-
2005
- 2005-09-02 DE DE200510041856 patent/DE102005041856A1/en not_active Ceased
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3313536A (en) * | 1965-02-01 | 1967-04-11 | Gen Motors Corp | Shock absorber |
US3848325A (en) * | 1972-05-01 | 1974-11-19 | C Bimba | Method for assembling body and end sections for fluid power cylinder |
GB2064715A (en) * | 1979-12-01 | 1981-06-17 | Fichtel & Sachs Ag | Piston cylinder device |
DE3128723A1 (en) * | 1981-07-21 | 1983-02-10 | Fichtel & Sachs Ag, 8720 Schweinfurt | HYDROPNEUMATIC TWO TUBE VIBRATION DAMPER OR SHOCK ABSORBER INSERT WITH A CAP FOR A CONTAINER TUBE |
FR2589970A1 (en) * | 1985-11-08 | 1987-05-15 | Bonafous Jean | Assembly of a bellows by magnetic forming |
FR2613790A1 (en) * | 1987-04-07 | 1988-10-14 | Peugeot Aciers Et Outillage | Transmission shaft particularly for a motor vehicle |
US4930204A (en) * | 1989-02-01 | 1990-06-05 | A. O. Smith Corporation | Method of forming composite tubular structure |
DE4315458C2 (en) * | 1993-05-10 | 1996-12-05 | Fichtel & Sachs Ag | Valve for a hydraulic telescopic vibration damper |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007014247A1 (en) * | 2007-03-24 | 2008-09-25 | Zf Friedrichshafen Ag | Method for producing vibration damper with travel-dependent stop spring entails having a stop ring fixed on displacement rod by radially acting force created as a result of magnetic field interacting with induced electric current |
DE102007014247B4 (en) * | 2007-03-24 | 2008-10-30 | Zf Friedrichshafen Ag | Vibration damper with a stroke-dependent stop spring |
DE102007030549A1 (en) * | 2007-06-30 | 2009-01-02 | Zf Friedrichshafen Ag | Piston-cylinder assembly |
DE102007036489A1 (en) * | 2007-08-01 | 2009-02-19 | Zf Friedrichshafen Ag | Vibration damper with a pressure stop spring |
DE102008032724A1 (en) * | 2008-07-11 | 2010-02-04 | Zf Friedrichshafen Ag | Vibration damper, has cylinder pipe connected with piston rod guide, where radially acting magnetic force is exerted at connection of cylinder pipe in region of cylindrical outer surface of piston rod guide, and causes deformation of pipe |
DE102008032724B4 (en) * | 2008-07-11 | 2014-03-13 | Zf Friedrichshafen Ag | vibration |
DE102009011043A1 (en) * | 2009-02-28 | 2010-09-02 | Volkswagen Ag | Piston rod guide for double pipe damper for wheel suspension of motor vehicle, has base body with piston rod opening, and has annular-disk for manipulation of bypass cross-section |
WO2015117783A1 (en) * | 2014-02-06 | 2015-08-13 | Zf Friedrichshafen Ag | Cylinder, in particular for a tuned mass damper, having a sleeve-shaped add-on piece |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8131 | Rejection |