WO2013174618A1 - Schwingungsdämpfer, insbesondere ein kolbenstangendämpfer für ein kraftfahrzeug - Google Patents
Schwingungsdämpfer, insbesondere ein kolbenstangendämpfer für ein kraftfahrzeug Download PDFInfo
- Publication number
- WO2013174618A1 WO2013174618A1 PCT/EP2013/058847 EP2013058847W WO2013174618A1 WO 2013174618 A1 WO2013174618 A1 WO 2013174618A1 EP 2013058847 W EP2013058847 W EP 2013058847W WO 2013174618 A1 WO2013174618 A1 WO 2013174618A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- piston rod
- damping housing
- damping
- damper
- plate
- Prior art date
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
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/371—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by inserts or auxiliary extension or exterior elements, e.g. for rigidification
-
- 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
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
- F16F1/3807—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type characterised by adaptations for particular modes of stressing
- F16F1/3814—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type characterised by adaptations for particular modes of stressing characterised by adaptations to counter axial forces
-
- 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
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/42—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing
- F16F1/44—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing loaded mainly in compression
- F16F1/445—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing loaded mainly in compression the spring material being contained in a generally closed space
Definitions
- Vibration damper in particular a piston rod damper for a motor vehicle
- the invention relates to a vibration damper, in particular a piston rod damper for a motor vehicle, comprising a damper housing which accommodates a piston rod comprising a pin which is supported in the damper housing with a clearance, wherein a first plate of the piston rod is locked to the damper housing and between the piston rod and the damping housing a damping element is mounted.
- FIG. 6 shows a vibration damper 17, which consists of a damping housing 18 and a piston rod 19.
- the piston rod 19 extends rotationally symmetrical about a cylindrical pin 20, which is arranged immovably in a fixed bearing P in the piston rod 19.
- the cylindrical pin 20 projects beyond the piston rod 19 and engages with the free end in the damping housing 18, where it is mounted in a movable bearing L with a predetermined game.
- a damping element 21 is arranged between the damping housing 18 and the piston rod 19, a damping element 21 is arranged between the damping housing 18 and the piston rod 19, a damping element 21 is arranged.
- a first rotationally symmetrical trained plate 22 of the piston rod 19 is latched behind an end stop 23 of the damping housing 18.
- the invention is therefore based on the object to provide a vibration damper, which remains undamaged even at high pull-out forces, preferably over 1200 Newton.
- the object is achieved in that the lock between the first plate of the piston rod and the damping housing as a bayonet-like closure is trained.
- the attacking pull-out forces are distributed, so that damage to the end stop of the damping housing is reliably prevented. This also applies if the attacking pull-outs exceed a value of 1200 Newton.
- the bayonet-like closure of the first plate of the piston rod at least one projection which engages in at least one recess on the inside of the damping housing and the projection is rotated relative to the recess, wherein the projection and the recess preferably radially to the piston rod and extend the damping housing. Due to this radial design, a reliable locking between the first plate of the piston rod and the damping housing is achieved, which is stable against attacking pull-out forces.
- the projection is segment-like, wherein the recess has a shape complementary to the projection.
- a clamping element guided radially through the damping housing acts on the piston rod as protection against rotation of the bayonet-type closure. This reliably ensures that the bayonet-like closure can not be released from the locked position during use in the motor vehicle.
- the pin encompassed by the piston rod has an angular cross-section as protection against rotation of the bayonet-like closure.
- the formation of the angular cross-section of the pin prevents the piston rod from being able to rotate relative to the damping housing. The anti-rotation is achieved without additional components, whereby the cost of manufacturing such a vibration damper can be reduced.
- the cross section of the pin is hexagonal.
- the piston rod with the damping housing including the damping element which is connected via the bayonet lock with subsequent locking by the hexagonal cylinder pin, thereby forms a self-contained damping system.
- the piston rod has a second plate for centering the piston rod on the damping housing, which is formed opposite the damping element.
- the second plate is located near the damping housing and directly opposite the damping element. Through this second plate, a simple centered mounting of the piston rod within the damping housing is made possible during assembly of the vibration damper.
- a third plate of the piston rod is remote from the damping element, whose side facing the first plate is bevelled radially.
- This third plate forms the connection element for the cylinder of the Kupplungsbetä- tion device.
- Figure 1 a first embodiment of a piston rod damper for a motor vehicle and sections through the piston rod damper
- FIG. 2 shows assembly steps of the piston rod damper according to FIG. 1
- Figure 3 a second embodiment of a piston rod damper for a motor vehicle and sections through the piston rod damper
- FIG. 4 shows assembly steps of the piston rod damper according to FIG. 3
- Figure 5 a third embodiment of a piston rod damper
- Clutch pedal is formed with a master cylinder of a clutch actuation system in a motor vehicle.
- the piston rod damper 1 consists of a damping housing 2, in which a piston rod 3 is inserted.
- the damping housing 2 is connected to a clutch pedal, not shown, while the piston rod 3 leads to the donor cylinder, also not shown, of the clutch actuation system of the motor vehicle.
- the piston rod 3 encloses a cylindrically shaped pin 4, which the
- Piston rod 3 projects in the direction of damping housing 2.
- the end of the pin 4 engages in the damping housing 2, wherein the pin 4 is fixedly mounted in the piston rod 3, while the pin 4 is held in the damping housing 2 in a floating bearing.
- a damping element in the form of a rubber damper 5 is arranged between the damping housing 2 and the piston rod 3.
- a first, around the piston rod 3 radially extending plate 6 is arranged, which has two projections in the form of two opposing segments 9 (section A-A).
- the segments 9 each engage in a recess 10, which are formed on the inside of the damping housing 2.
- a locking between the piston member 3 and the damping housing 2 is achieved by the segment 9 is pushed behind an undercut of the damping housing 2 and held there.
- a clamping pin 1 1 which is pushed radially through the damping housing 2 and rests against the piston rod 3, is reliably prevented that the piston rod 3 releases from its locking in the damping housing 2.
- Section BB shows a detailed view of the piston rod damper 1. From this view it is apparent in particular that the piston rod 3 has three rotationally symmetrically extending plates 6, 7, 8. Here, the first plate 6, which receives the bayonet-like closure with the damping housing 2, between two further plates 7 and 8 is arranged. The second plate 7 abuts against the damping element 5 and faces the damping housing 2. This second plate 7 is used during installation of the piston rod 3 in the damping housing 2 of the centering of the piston rod 3 to allow a good storage of the piston rod 3 and the pin 4 in the damping housing 2. The third plate 8 is mounted in the built-piston rod 3 outside of the damping housing 2 and has on the plate 6 side facing a chamfer. This third plate 8 serves as a blow for a welding ring of the master cylinder, which is not shown. In addition, it is apparent that the first plate 6 engages in the recess 10 of the damping housing 2.
- the pin 4 is inserted into the piston rod 3.
- the damping element 5 is inserted into the interior of the damping housing 2. If the damping element 5 is inserted into the damping housing 2, the piston rod 3 carrying the pin 4 is pushed into the damping housing 2. It is important to ensure that the segments 9 of the piston rod 3 are placed exactly in the recesses 10 of the damping housing 2 (step 4).
- step 5 the piston rod 3 is pressed with some force against the damping element 5 so far that the damping housing 2 abuts with simultaneous fixation of the piston rod 3 after a 90 ° rotation of the segments 9 of the piston rod 3, which held by an undercut on the damping housing 2 become.
- step 6 of the clamping pin 1 1 is pressed radially through a hole in the damping housing 2 and pressed so far against the piston rod 3, that it can not rotate.
- step 7 the piston rod damper 1 is then fully assembled.
- Figure 3 shows a second embodiment of the piston rod damper 12, which differs from the piston rod damper 1 of Figure 1 to the effect that the clamping pin 1 1 is omitted as a lock between the segments 9 of the piston rod 3 and the damping housing 2.
- the pin 4 has a hexagonal cross-section and forms the torsion protection of this piston rod damper 12.
- this piston rod damper 12 The individual assembly steps of this piston rod damper 12 are shown in FIG. In this case, first the damping element 5 is inserted into the damping housing 2 in a first step. Subsequently, the piston rod 3 is inserted into the damping housing 2 including the damping element 5 (step 2). In this case, in step 3, the piston rod 3 is inserted into the damping housing 2 such that the two segments 9 of the piston rod 3 engage in a respective recess 10 of the damping housing 2.
- the damping element 5 is pressed in step 4 with a little force that the damping housing 2 abuts with simultaneous fixation of the piston rod 3 after a 90 ° rotation of the segments 9 of the piston rod 3 and the segments 9 of the piston rod 3 through the undercut on the damping housing 2 are held.
- the hexagonal pin 4 is pressed axially through the damping housing 2 into the piston rod 3.
- the damping housing 2 and the piston rod 3 on a hexagonal opening which are automatically aligned by the position of the bayonet closure to each other.
- step 6 The finished piston rod damper 1 is then shown in step 6, wherein the hexagonal pin 4 is pressed as rotation by the damping housing 2 in the piston rod 3, so that the piston rod 3 can not unlock.
- This embodiment allows a robust embodiment of the piston rod damper 12, which forms a self-contained damping element.
- FIG. 5 shows a modified piston rod damper 13, which likewise has three plates 6, 8, 16 extending rotationally symmetrically about the piston rod 3.
- the plates 6, 16 which are formed side by side lying opposite the damping housing 2, the same geometries.
- two radially extending Einschnappringe 14 and 15 are formed lying inside, which are engaged behind by a respective plate 6, 16 during assembly.
- the plate 6 is mounted on the Einschnappring 15, while the plate 16 is positioned on the Einschnappring 14.
- the damping housing 2 Due to the design of a double snap ring 14, 15, the damping housing 2 withstands higher pull-out forces, since these forces are distributed in this exemplary embodiment to the two snap-in rings 14, 15.
- the piston rod 3 is pressed after insertion of the damping element 5 in the damper housing 2 in this, so that the plates 6 and 16 are pressed behind the projections of the snap rings 14 and 15, so that the piston rod 3 is firmly locked in the damping housing 2.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Springs (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112014027049-0A BR112014027049B1 (pt) | 2012-05-22 | 2013-04-29 | Amortecedor de vibração, em particular, um amortecedor da haste do pistão para um veículo automotor |
EP13719107.8A EP2852774B1 (de) | 2012-05-22 | 2013-04-29 | Schwingungsdämpfer, insbesondere ein kolbenstangendämpfer für ein kraftfahrzeug |
DE112013002625.2T DE112013002625A5 (de) | 2012-05-22 | 2013-04-29 | Schwingungsdämpfer, insbesondere ein Kolbenstangendämpfer für ein Kraftfahrzeug |
CN201380026843.2A CN104334907B (zh) | 2012-05-22 | 2013-04-29 | 振动减震器、尤其是用于机动车的活塞杆减震器 |
JP2015513071A JP6188790B2 (ja) | 2012-05-22 | 2013-04-29 | 振動ダンパ、特に自動車用のピストンロッドダンパ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012208490 | 2012-05-22 | ||
DE102012208490.8 | 2012-05-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013174618A1 true WO2013174618A1 (de) | 2013-11-28 |
Family
ID=48190982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2013/058847 WO2013174618A1 (de) | 2012-05-22 | 2013-04-29 | Schwingungsdämpfer, insbesondere ein kolbenstangendämpfer für ein kraftfahrzeug |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2852774B1 (de) |
JP (1) | JP6188790B2 (de) |
CN (1) | CN104334907B (de) |
BR (1) | BR112014027049B1 (de) |
DE (2) | DE112013002625A5 (de) |
WO (1) | WO2013174618A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20190011013A1 (en) * | 2017-07-07 | 2019-01-10 | GM Global Technology Operations LLC | Active vibration damper for a vehicle driveline component |
CN110822036A (zh) * | 2018-08-07 | 2020-02-21 | 舍弗勒技术股份两合公司 | 液压张紧装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4641810A (en) * | 1984-11-20 | 1987-02-10 | Ott Vernon D | Adjustable vibration dampening motor mount for motorcycles |
EP1657455A2 (de) * | 2004-11-10 | 2006-05-17 | International Truck Intellectual Property Company, LLC | Kuplungsgestänge mit Schwingungsisolation und -dämpfung |
DE102004053401A1 (de) * | 2004-11-05 | 2006-05-24 | Zf Friedrichshafen Ag | Federungssystem für Kraftfahrzeuge |
DE102006011397B3 (de) * | 2006-03-11 | 2007-06-21 | Zf Friedrichshafen Ag | Federungssystem für Kraftfahrzeuge |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5458725U (de) * | 1977-09-30 | 1979-04-23 | ||
JPS56155140U (de) * | 1980-04-22 | 1981-11-19 | ||
JPS5885530U (ja) * | 1981-12-05 | 1983-06-10 | アイシン精機株式会社 | 自動車用クラツチマスタシリンダ |
JPH02248729A (ja) * | 1989-03-20 | 1990-10-04 | Kato Kenkyusho:Kk | バネ部材及びそれを使用した係止具 |
JP3503405B2 (ja) * | 1997-03-25 | 2004-03-08 | 日産自動車株式会社 | 防振装置 |
FR2920210B1 (fr) * | 2007-08-20 | 2013-04-26 | Aircelle Sa | Amortisseur de vibrations pour nacelle d'aeronef |
-
2013
- 2013-04-29 JP JP2015513071A patent/JP6188790B2/ja active Active
- 2013-04-29 EP EP13719107.8A patent/EP2852774B1/de active Active
- 2013-04-29 DE DE112013002625.2T patent/DE112013002625A5/de not_active Withdrawn
- 2013-04-29 DE DE102013207752A patent/DE102013207752A1/de not_active Withdrawn
- 2013-04-29 CN CN201380026843.2A patent/CN104334907B/zh active Active
- 2013-04-29 BR BR112014027049-0A patent/BR112014027049B1/pt active IP Right Grant
- 2013-04-29 WO PCT/EP2013/058847 patent/WO2013174618A1/de active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4641810A (en) * | 1984-11-20 | 1987-02-10 | Ott Vernon D | Adjustable vibration dampening motor mount for motorcycles |
DE102004053401A1 (de) * | 2004-11-05 | 2006-05-24 | Zf Friedrichshafen Ag | Federungssystem für Kraftfahrzeuge |
EP1657455A2 (de) * | 2004-11-10 | 2006-05-17 | International Truck Intellectual Property Company, LLC | Kuplungsgestänge mit Schwingungsisolation und -dämpfung |
DE102006011397B3 (de) * | 2006-03-11 | 2007-06-21 | Zf Friedrichshafen Ag | Federungssystem für Kraftfahrzeuge |
Also Published As
Publication number | Publication date |
---|---|
JP2015522766A (ja) | 2015-08-06 |
CN104334907A (zh) | 2015-02-04 |
BR112014027049A2 (pt) | 2017-06-27 |
EP2852774B1 (de) | 2016-07-27 |
CN104334907B (zh) | 2016-05-04 |
JP6188790B2 (ja) | 2017-08-30 |
DE112013002625A5 (de) | 2015-05-07 |
DE102013207752A1 (de) | 2013-11-28 |
EP2852774A1 (de) | 2015-04-01 |
BR112014027049B1 (pt) | 2021-10-26 |
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