CN203962828U - A kind of vibration damper - Google Patents
A kind of vibration damper Download PDFInfo
- Publication number
- CN203962828U CN203962828U CN201420362433.7U CN201420362433U CN203962828U CN 203962828 U CN203962828 U CN 203962828U CN 201420362433 U CN201420362433 U CN 201420362433U CN 203962828 U CN203962828 U CN 203962828U
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- CN
- China
- Prior art keywords
- piston
- cylinder body
- inner casing
- vibration damper
- base plate
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Abstract
The utility model discloses a kind of vibration damper, relate to technical field of automobile parts, comprise cylinder body, piston rod, piston, oil guiding hole, end cap and base plate, described piston rod and piston are positioned at cylinder body, described oil guiding hole has 3, lay respectively at side, cylinder body two ends and medial side face, described end cap is connected with cylinder body two ends end respectively with base plate, described cylinder body upper end is provided with guiding-sealing device, described guiding-sealing device comprises guide sleeve and oil seal ring, described cylinder body is divided into inner casing and outer shell, between described inner casing and outer shell, form buffer cavity, described buffer cavity thickness is 8-10mm, described inner casing two ends are equipped with one-way overflow valve, described piston two ends are provided with spring, described piston lower end is provided with boss body, described plate upper surface is provided with groove, the utility model can be accelerated the speed of response of fluid, can guarantee the smooth change of off-load hydraulic pressure simultaneously, slow down the concussion of piston, described spring can be avoided the direct collision at piston and cylinder body two ends, simple in structure, Security is good.
Description
Technical field
The utility model belongs to technical field of automobile parts, relates in particular to a kind of vibration damper.
Background technique
Concussion when vibration damper is mainly used to suppress rebound after spring shock-absorbing and from the impact on road surface, vibration damper is the rapid wear accessory in automobile using process, vibration damper work quality, will directly affect the stationarity of automobile running and the life-span of other parts.As application number 201010527123.2 discloses a kind of vibration damper, comprise cylinder body, oil sealing, piston rod, piston, base plate and spring, described cylinder body upper end is provided with oil sealing, described piston rod is fixedly connected with piston, described base plate is fixedly connected with cylinder body, described base plate is provided with spring, this invention is simple in structure, good seal performance, due to spring being installed on base plate, piston is again rubber material, increased widely damping effect, the performance also with buffering and sound insulation simultaneously, improved significantly safety coefficient, but the Oil Guide of this invention structure is the same with oil return speed, can not obviously improve damping effect, and spring only adds at one end, when vibration damper concuss, easily make the other end damage, Security is not high.
Model utility content
The purpose of this utility model is to provide a kind of vibration damper, to solve the above-mentioned multinomial defect causing in prior art.
A kind of vibration damper, comprise cylinder body, piston rod, piston, oil guiding hole, end cap and base plate, described piston rod and piston are positioned at cylinder body, described oil guiding hole has 3, lay respectively at side, cylinder body two ends and medial side face, described end cap is connected with cylinder body two ends end respectively with base plate, described cylinder body upper end is provided with guiding-sealing device, described guiding-sealing device comprises guide sleeve and oil seal ring, described cylinder body is divided into inner casing and outer shell, between described inner casing and outer shell, form buffer cavity, described buffer cavity thickness is 8-10mm, described inner casing two ends are equipped with one-way overflow valve, described piston two ends are provided with spring, described piston lower end is provided with boss body, described plate upper surface is provided with groove.
Preferably, described oil seal ring is provided with 3 road annular projections.
Preferably, described guide sleeve length is 36-42mm.
Preferably, in described piston, be provided with step hole, material is oil resistant rubber.
Preferably, described piston face is provided with wearing layer.
The utility model has the advantage of: the liquid storing in buffer cavity can flow to inner casing fast, accelerated speed of response, one-way overflow valve can guarantee the smooth change of off-load hydraulic pressure, avoided inner casing hydraulic pressure sharply to change the concussion causing, spring can be avoided the direct collision at piston and cylinder body two ends, extend piston working life, boss body can make contacting of piston or base plate more level and smooth with groove, annular projection can avoid fluid to overflow from piston rod, improve the sealing of cylinder body, guide sleeve can improve the precision of piston rod movement guiding, in piston, be provided with step hole, facilitate piston to be connected with piston rod and make to connect compacter, surface is provided with wearing layer, strengthened the wear resistance of piston.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of vibration damper described in the utility model.
Fig. 2 is the plan view of a kind of vibration damper described in the utility model.
Wherein: 1-cylinder body, 2-piston rod, 3-piston, 4-oil guiding hole, 5-end cap, 6-base plate, 7-guiding-sealing device, 8-guide sleeve, 9-oil seal ring, 10-inner casing, 11-outer shell, 12-buffer cavity, 13-one-way overflow valve, 14-spring, 15-boss body, 16-groove.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
As depicted in figs. 1 and 2, a kind of vibration damper, comprise cylinder body 1, piston rod 2, piston 3, oil guiding hole 4, end cap 5 and base plate 6, described piston rod 2 and piston 3 are positioned at cylinder body 1, described oil guiding hole 4 has 3, lay respectively at cylinder body 1 side, two ends and medial side face, described end cap 5 is connected with cylinder body 1 two ends end respectively with base plate 6, described cylinder body 1 upper end is provided with guiding-sealing device 7, described guiding-sealing device 7 comprises guide sleeve 8 and oil seal ring 9, described cylinder body 1 is divided into inner casing 10 and outer shell 11, between described inner casing 10 and outer shell 11, form buffer cavity 12, described buffer cavity 12 thickness are 8-10mm, described inner casing 10 two ends are equipped with one-way overflow valve 13, described piston 3 two ends are provided with spring 14, described piston 3 lower ends are provided with boss body 15, described base plate 6 upper surfaces are provided with groove 16, the liquid of described buffer cavity 12 interior storages can flow to inner casing 10 fast, accelerated speed of response, described one-way overflow valve 13 can guarantee the smooth change of off-load hydraulic pressure, avoided inner casing 10 hydraulic pressure sharply to change the concussion causing, described spring 14 can be avoided the direct collision at piston 3 and cylinder body 1 two ends, described boss body 15 can make contacting of piston 3 or base plate 6 more level and smooth with groove 16.
It should be noted that described oil seal ring 9 is provided with 3 road annular projections, avoid fluid to overflow from piston rod 2, improve the sealing of cylinder body 1.
In addition, described guide sleeve 8 length are 36-42mm, improve the precision of piston rod 2 motion guides.
In the present embodiment, in described piston 3, be provided with step hole, facilitate piston 3 to be connected with piston rod 2 and make connection compacter, described piston 3 surfaces are provided with wearing layer, strengthen the wear resistance of piston 3.
Based on above-mentioned, the liquid storing in buffer cavity can flow to inner casing fast, accelerated speed of response, one-way overflow valve can guarantee the smooth change of off-load hydraulic pressure, avoided inner casing hydraulic pressure sharply to change the concussion causing, spring can be avoided the direct collision at piston and cylinder body two ends, extends piston working life, boss body can make contacting of piston or base plate more level and smooth with groove, and reliability is high.
As known by the technical knowledge, the utility model can be realized by other the embodiment that does not depart from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only.All changes within the scope of the utility model or within being equal to scope of the present utility model are all included in the utility model.
Claims (5)
1. a vibration damper, comprise cylinder body, piston rod, piston, oil guiding hole, end cap and base plate, described piston rod and piston are positioned at cylinder body, described oil guiding hole has 3, lay respectively at side, cylinder body two ends and medial side face, described end cap is connected with cylinder body two ends end respectively with base plate, described cylinder body upper end is provided with guiding-sealing device, described guiding-sealing device comprises guide sleeve and oil seal ring, it is characterized in that: described cylinder body is divided into inner casing and outer shell, between described inner casing and outer shell, form buffer cavity, described buffer cavity thickness is 8-10mm, described inner casing two ends are equipped with one-way overflow valve, described piston two ends are provided with spring, described piston lower end is provided with boss body, described plate upper surface is provided with groove.
2. a kind of vibration damper according to claim 1, is characterized in that: described oil seal ring is provided with 3 road annular projections.
3. a kind of vibration damper according to claim 1, is characterized in that: described guide sleeve length is 36-42mm.
4. a kind of vibration damper according to claim 1, is characterized in that: in described piston, be provided with step hole.
5. a kind of vibration damper according to claim 1, is characterized in that: described piston face is provided with wearing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420362433.7U CN203962828U (en) | 2014-07-02 | 2014-07-02 | A kind of vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420362433.7U CN203962828U (en) | 2014-07-02 | 2014-07-02 | A kind of vibration damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203962828U true CN203962828U (en) | 2014-11-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420362433.7U Expired - Fee Related CN203962828U (en) | 2014-07-02 | 2014-07-02 | A kind of vibration damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203962828U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088951A (en) * | 2014-07-02 | 2014-10-08 | 杨浩 | Shock absorber |
| CN107100955A (en) * | 2017-06-29 | 2017-08-29 | 黄永宁 | Autonomous adjustable type hydraulic damper and its adjusting method |
| CN107143604A (en) * | 2017-06-29 | 2017-09-08 | 黄永宁 | Damper from main inlet control valve and its staged method of discharge |
-
2014
- 2014-07-02 CN CN201420362433.7U patent/CN203962828U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088951A (en) * | 2014-07-02 | 2014-10-08 | 杨浩 | Shock absorber |
| CN107100955A (en) * | 2017-06-29 | 2017-08-29 | 黄永宁 | Autonomous adjustable type hydraulic damper and its adjusting method |
| CN107143604A (en) * | 2017-06-29 | 2017-09-08 | 黄永宁 | Damper from main inlet control valve and its staged method of discharge |
| CN107100955B (en) * | 2017-06-29 | 2023-02-03 | 黄永宁 | Self-adjusting hydraulic shock absorber and adjusting method thereof |
| CN107143604B (en) * | 2017-06-29 | 2023-02-28 | 黄永宁 | Automatic regulating valve of shock absorber and stepped oil discharging method thereof |
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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: 20141126 Termination date: 20150702 |
|
| EXPY | Termination of patent right or utility model |