CN203641376U - Shock absorber piston assembly - Google Patents
Shock absorber piston assembly Download PDFInfo
- Publication number
- CN203641376U CN203641376U CN201420001568.0U CN201420001568U CN203641376U CN 203641376 U CN203641376 U CN 203641376U CN 201420001568 U CN201420001568 U CN 201420001568U CN 203641376 U CN203641376 U CN 203641376U
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- CN
- China
- Prior art keywords
- piston
- shock absorber
- valve
- valve block
- block group
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a shock absorber piston assembly comprising a piston rod and a piston sleeving the piston rod. The piston is provided with a first piston valve hole and a second piston valve hole. The upper end face of the piston is provided with a flow valve plate and a limit plate. The lower end face of the piston is provided with a return valve plate set. The end of the piston rod is connected with a locknut in a threaded manner. The return valve plate set is formed by stacking a plurality of valve plates different in diameter. The diameter of the valve plates in the return valve plate set decreases sequentially from one side, close to the lower end face of the piston, to the other side, far away from the lower end face of the piston. The return valve plate set is modified, so that damping force of a shock absorber is more stable, shock absorption of the shock absorber is better and car driving can be comfortable and safe.
Description
Technical field
The utility model relates to vibration damper technical field, is specifically related to a kind of piston assembly of vibration damper.
Background technique
Along with the development of automotive industry, also obtain swift and violent development as the vibration damper of the important accessory of automobile.Automobile absorber is a kind of damping member, it is one of important component of automobile suspension system, to the travelling comfort of Vehicle Driving Cycle, conclusive effect is played in Security, the principle of its vibration damper is that piston rod is in the process of motion, the constantly circulation in clutch release slave cylinder and oil storage bar by compression valve and piston valve of its inner fluid, thereby be that heat energy is dispersed in air kinetic transformation, this wherein piston assembly be the critical component of vibration damper, clutch release slave cylinder has been divided into upper and lower chamber by piston in its piston assembly, and fluid in clutch release slave cylinder enters another valve opening from a chamber by valve opening repeatedly, to reach the effect that reduces thump.But, in existing piston assembly design, also there is defect, the poor stability of damping force of vibration damper, causes the damping effect of vibration damper unstable, thereby affects travelling comfort and the Security of automobile running.
Model utility content
In order to overcome the deficiencies in the prior art part, the utility model provides a kind of structure more rational shock absorber piston assembly, damping force of vibration damper is more tended towards stability, thereby make the damping effect of vibration damper better, to meet travelling comfort and the Security of automobile running.
Adopt following technological scheme in order to solve the existing problem the utility model of background technique: a kind of shock absorber piston assembly, comprise piston rod and be sheathed on the piston on piston rod, on described piston, be provided with first piston valve opening, the second piston valve opening, described piston upper-end surface is provided with circulation valve block and banking stop, described piston lower surface is provided with and restores valve block group, the end of described piston rod is threaded connection a locking nut, described recovery valve block group is made up of the different valve block stack of multiple diameters, the diameter of described recovery valve block group middle valve plate is reduced successively by a side to the side that departs from piston lower surface near piston lower surface.
By adopting above-mentioned technological scheme, fluid in vibration damper clutch release slave cylinder is pushed or is closed its damping force while restoring valve block group open and changes more slow, make the damping force of vibration damper also more tend towards stability thereupon, thereby make the damping effect of vibration damper better, to meet travelling comfort and the Security of automobile running.
Further setting of the present utility model: described piston lower surface is also provided with a rebuilt valve, described rebuilt valve is restoring between valve block group and locking nut.
By adopting technique scheme, this rebuilt valve can replace the effect of original piston assembly medi-spring, and its manufacture is more simple, installs more also for convenience, only need trivial jack panel is trivial tight with certain moment of torsion.
Further setting of the present utility model: the outer wall of described piston is arranged with one deck gum cover, is provided with some bulge loops on the inwall of described gum cover, be provided with the suitable groove of some and described bulge loop on described piston outer wall, and described bulge loop is embedded in described groove.
By adopting above-mentioned technological scheme, can improve the lateral force of piston, and vibration damper is let out in being difficult for causing, and gum cover and piston are by the mating reaction of bulge loop and groove, make gum cover more fixing.
Further setting of the present utility model: be provided with gap between a side of the corresponding piston of described gum cover upper-end surface and piston.
By adopting above-mentioned technological scheme, in the time that the fluid in vibration damper clutch release slave cylinder produces an outside active force to the gum cover of this gap location, can make gum cover and clutch release slave cylinder inwall more be close to, thereby further prevent the phenomenon of letting out in fluid.
The beneficial effects of the utility model are: shock absorber piston assembly of the present utility model is by more tending towards stability the damping force of vibration damper to the improvement of restoring valve block group, thereby make the damping effect of vibration damper better, to meet travelling comfort and the Security of automobile running.
Accompanying drawing explanation
Fig. 1 is a kind of shock absorber piston assembly of the utility model embodiment's structural representation.
Embodiment
In order to deepen, to understanding of the present utility model, below in conjunction with embodiment and accompanying drawing, the utility model to be described in further detail, this embodiment only, for explaining the utility model, does not form the restriction to the utility model protection domain.
As shown in Figure 1, a kind of shock absorber piston assembly of the utility model embodiment, comprise piston rod 1 and be sheathed on the piston 2 on piston rod 1, on this piston 2, be provided with first piston valve opening 21, the second piston valve opening 22, further, piston 2 upper-end surfaces are provided with circulation valve block 3 and banking stop 4, piston 2 lower end surfaces are provided with restores valve block group 5, and the end of piston rod 1 is threaded connection a locking nut 6, wherein, restoring valve block group 5 is made up of the different valve block stack of multiple diameters, and the diameter of these recovery valve block group 5 middle valve plates is by reducing successively near a side a to side that departs from piston 2 lower end surfaces of piston 2 lower end surfaces.In the time that recovery valve block group 5 is pushed or closed to the fluid in vibration damper clutch release slave cylinder open, its damping force changes more slow like this, make the damping force of vibration damper also more tend towards stability thereupon, thereby make the damping effect of vibration damper better, to meet travelling comfort and the Security of automobile running.
In the present embodiment, piston 2 lower end surfaces are also provided with a rebuilt valve 7, and this rebuilt valve 7 is restoring between valve block group 5 and locking nut 6.Rebuilt valve 7 can replace the effect of original piston assembly medi-spring like this, and its manufacture is more simple, installs more also for convenience, only need trivial jack panel 6 be carried out trivial tight with certain moment of torsion.
In the present embodiment, the outer wall of piston 2 is arranged with one deck gum cover 8, is provided with some bulge loops 81 on the inwall of this gum cover 8, and on piston 2 outer walls, is provided with groove 23 some and that bulge loop 81 is suitable, and its bulge loop 81 can be embedded in groove 23.Can improve like this lateral force of piston 2, and vibration damper is let out in being difficult for causing, and gum cover 8 mating reaction with groove 23 by bulge loop 81 with piston 2 makes gum cover 8 more fixing.
In the present embodiment, between a side of the corresponding piston of gum cover 82 upper-end surfaces and piston 2, be provided with gap 9.In the time that the fluid in vibration damper clutch release slave cylinder produces an outside active force to the gum cover 8 at these 9 places, gap, can make gum cover 8 and clutch release slave cylinder inwall more be close to, thereby further prevent the phenomenon of letting out in fluid like this.
Claims (4)
1. a shock absorber piston assembly, comprise piston rod and be sheathed on the piston on piston rod, on described piston, be provided with first piston valve opening, the second piston valve opening, described piston upper-end surface is provided with circulation valve block and banking stop, described piston lower surface is provided with and restores valve block group, the end of described piston rod is threaded connection a locking nut, it is characterized in that: described recovery valve block group is made up of the different valve block stack of multiple diameters, and the diameter of described recovery valve block group middle valve plate is reduced successively by a side to the side that departs from piston lower surface near piston lower surface.
2. a kind of shock absorber piston assembly according to claim 1, is characterized in that: described piston lower surface is also provided with a rebuilt valve, and described rebuilt valve is restoring between valve block group and locking nut.
3. a kind of shock absorber piston assembly according to claim 1, it is characterized in that: the outer wall of described piston is arranged with one deck gum cover, on the inwall of described gum cover, be provided with some bulge loops, on described piston outer wall, be provided with the suitable groove of some and described bulge loop, described bulge loop is embedded in described groove.
4. a kind of shock absorber piston assembly according to claim 3, is characterized in that: between a side of the corresponding piston of described gum cover upper-end surface and piston, be provided with gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420001568.0U CN203641376U (en) | 2014-01-03 | 2014-01-03 | Shock absorber piston assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420001568.0U CN203641376U (en) | 2014-01-03 | 2014-01-03 | Shock absorber piston assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203641376U true CN203641376U (en) | 2014-06-11 |
Family
ID=50872623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420001568.0U Expired - Fee Related CN203641376U (en) | 2014-01-03 | 2014-01-03 | Shock absorber piston assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203641376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488717A (en) * | 2018-12-07 | 2019-03-19 | 宁波金城减震器有限公司 | A kind of automobile absorber |
-
2014
- 2014-01-03 CN CN201420001568.0U patent/CN203641376U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488717A (en) * | 2018-12-07 | 2019-03-19 | 宁波金城减震器有限公司 | A kind of automobile absorber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20190103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |