CN202215656U - Sealing structure of shock absorber - Google Patents
Sealing structure of shock absorber Download PDFInfo
- Publication number
- CN202215656U CN202215656U CN2011202531562U CN201120253156U CN202215656U CN 202215656 U CN202215656 U CN 202215656U CN 2011202531562 U CN2011202531562 U CN 2011202531562U CN 201120253156 U CN201120253156 U CN 201120253156U CN 202215656 U CN202215656 U CN 202215656U
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- China
- Prior art keywords
- guider
- sealing
- oil
- storage cylinder
- piston rod
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- Expired - Fee Related
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Abstract
The utility model provides a sealing structure of a shock absorber, which comprises an oil storage cylinder, a work cylinder, a piston rod, a guider, a packing washer, an oil seal and a sealing ring; the oil seal is positioned between the piston rod and the guider; the sealing ring is positioned between the guider and the oil storage cylinder; the packing washer is positioned between the guider and the oil storage cylinder and tightly presses the oil seal and the sealing ring; the oil seal only plays a role of sealing the part between the guider and the piston rod, the sealing ring is additionally arranged between the guider and the oil storage cylinder for sealing, sealing on the two parts does not mutually interfere, and the requirements on coaxiality are relatively lower; only the coaxiality between the oil seal and the piston rod as well as between the sealing ring and the oil storage cylinder needs to be guaranteed, a better sealing effect can be achieved; furthermore, the coaxiality between the two parts is easy to realize, thereby reducing the friction applied to the oil seal and the sealing ring; and the service lives of the seal oil and the sealing ring are longer, so that the prolonging of the service life and the improving of the using performance of the shock absorber are facilitated.
Description
Technical field
The utility model relates to the design and manufacturing technology field of vehicular shock absorber, specifically is a kind of sealing configuration of vibration damper.
Background technique
In technique known; Shock absorber for vehicle with a kind of following structure; Its sealing configuration is: comprise parts such as packing washer, oil sealing, guider, piston rod, clutch release slave cylinder and oil storage cylinder; Oil sealing is between oil storage cylinder and guider and be enclosed within on the piston rod, in order to stop oil, the gas leakage between oil storage cylinder and the guider.Wherein, The work of packing washer suffered axial force in oil storage cylinder end face distortion in rolling process is in order to pressing oil sealing, and oil sealing and guider are compressed, and makes the rubber material distortion above the oil sealing; Between oil storage cylinder and guider, produce sealing effect, prevent damper leakage.This damper structure is fairly simple; Also there is following problem in actual use: simultaneously piston rod and oil storage cylinder are sealed by single oil sealing,, must guarantee to have higher coaxality between piston rod, oil storage cylinder and the oil sealing for reaching comparatively desirable sealing effect; Having relatively high expectations of this manufacturing, design and assembling to workpiece; Increased the manufacture cost of vibration damper, and in the manufacture process of reality, this three's coaxality is difficult to reach perfect condition; Leakage phenomenon often appears; And three's coaxality is bad also can cause the wearing and tearing of oil sealing comparatively serious, thereby influences the working life of oil sealing, the also indirect performance that has had influence on vibration damper.
Summary of the invention
The utility model technical problem to be solved is, the sealing configuration of the more satisfactory vibration damper of a kind of sealing effect is provided, and the sealing structure helps improving the working life and the performance of vibration damper.
For solving the problems of the technologies described above, the sealing configuration of the vibration damper that the utility model provides, it comprises oil storage cylinder, clutch release slave cylinder, piston rod, guider, packing washer and oil sealing, it also comprises seal ring; Described oil sealing is between piston rod and guider; Described seal ring is between guider and oil storage cylinder; Described packing washer compresses between guider and oil storage cylinder and with oil sealing and seal ring.
After adopting above structure, the sealing configuration of the utility model vibration damper compared with prior art has the following advantages:
Oil sealing only plays the sealing between guider and the piston rod; Increase in addition a seal ring between guider and the oil storage cylinder and seal, the sealing mutual noninterference at two places, and also requiring aspect coaxality is relatively low; Only need to guarantee coaxality and the coaxality between seal ring and the oil storage cylinder between oil sealing and the piston rod; Just can realize preferable sealing effect, and the coaxality between two parts also is easy to realization, so also can reduces the friction that oil sealing and seal ring receive; The working life of oil sealing and seal ring is long, also is beneficial to the working life and the usability that improve vibration damper.
As improvement, described guider is provided with containing groove, and described oil-sealing sleeve is combined on the piston rod and in packing washer is pressed on the containing groove on the guider.Just can oil sealing be pressed in this containing groove after a containing groove is set on guider, help improving the stability of oil sealing like this, reduce friction, also just relatively good to the sealing effect between piston rod and the guider.
As improvement, the outer wall of described guider is provided with concave station, and described seal ring is linked on the concave station.The concave station structure also is for the stable installation that makes seal ring, reliable.
Preferable, described seal ring is the O RunddichtringO.In actual use, the sealing effect of O RunddichtringO is better, and is comparatively suitable.
Description of drawings
Fig. 1 is the sealed structural representation of vibration damper in the existing technology;
Fig. 2 is the sealed structural representation of the utility model vibration damper;
Wherein, 1, oil storage cylinder; 2, clutch release slave cylinder; 3, piston rod; 4, guider; 5, packing washer; 6, oil sealing; 7, seal ring; 8, containing groove; 9, concave station.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation.
As shown in Figure 2, the sealing configuration of the utility model vibration damper, it comprises oil storage cylinder 1, clutch release slave cylinder 2, piston rod 3, guider 4, packing washer 5, oil sealing 6 and seal ring 7.
Can draw from Fig. 1, Fig. 2 contrast, the utility model difference with the prior art is: the utility model also comprises seal ring 7; Oil sealing 6 only is responsible for piston rod 3 and guider 4 are sealed between piston rod 3 and guider 4; And seal ring 7 is between guider 4 and oil storage cylinder 1, and the sealing between guider 4 and the oil storage cylinder 1 is responsible for by seal ring 7; Packing washer 5 still is between guider 4 and oil storage cylinder 1, and it compresses distortion with oil sealing 6 and seal ring 7 and produces sealing effect.
For making oil sealing 3 and seal ring 7 keep stable in the course of the work, improve each self-packing reliability, the structure of guider 4 has been carried out corresponding improvement:
The inboard is provided with containing groove 8 on guider 4, and oil sealing 6 is linked on the piston rod 3 and in packing washer 5 is pressed on the containing groove 8 on the guider 4.
Outer wall at guider 4 is provided with concave station 9, and seal ring 7 is linked on the concave station 9, and also compacted packing ring 5 compresses distortion.
Seal ring 7 in the utility model is preferably the O RunddichtringO.
Claims (4)
1. the sealing configuration of a vibration damper, it comprises oil storage cylinder (1), clutch release slave cylinder (2), piston rod (3), guider (4), packing washer (5) and oil sealing (6), it is characterized in that: it also comprises seal ring (7); Described oil sealing (6) is positioned between piston rod (3) and the guider (4); Described seal ring (7) is positioned between guider (4) and the oil storage cylinder (1); Described packing washer (5) is positioned between guider (4) and the oil storage cylinder (1) and with oil sealing (6) and seal ring (7) and compresses.
2. the sealing configuration of vibration damper according to claim 1; It is characterized in that: described guider (4) is provided with containing groove (8), and described oil sealing (6) is linked on the piston rod (3) and in packing washer (5) is pressed on the containing groove (8) on the guider (4).
3. the sealing configuration of vibration damper according to claim 1, it is characterized in that: the outer wall of described guider (4) is provided with concave station (9), and described seal ring (7) is linked on the concave station (9).
4. the sealing configuration of vibration damper according to claim 3, it is characterized in that: described seal ring (7) is the O RunddichtringO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202531562U CN202215656U (en) | 2011-04-21 | 2011-07-18 | Sealing structure of shock absorber |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120119672.6 | 2011-04-21 | ||
| CN201120119672 | 2011-04-21 | ||
| CN2011202531562U CN202215656U (en) | 2011-04-21 | 2011-07-18 | Sealing structure of shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202215656U true CN202215656U (en) | 2012-05-09 |
Family
ID=46014912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202531562U Expired - Fee Related CN202215656U (en) | 2011-04-21 | 2011-07-18 | Sealing structure of shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202215656U (en) |
-
2011
- 2011-07-18 CN CN2011202531562U patent/CN202215656U/en not_active Expired - Fee Related
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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: 20120509 Termination date: 20190718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |