Durable automobile steering shock absorber oil seal

By setting internal sealing and bottom filters in the oil seal of the car shock absorber, the existing oil sealing sealing and short service life are solved, and a better sealing effect and a longer service life are achieved.

CN222391948UActive Publication Date: 2025-01-24KUNSHAN XINHONGSHUN SEALING TECH CO LTD
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Patent Information

Application Number
CN202421161927.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-27
Publication Date
2025-01-24
Estimated Expiration
2034-05-27

AI Technical Summary

Technical Problem

The oil seal of existing automobile steering shock absorbers is poor, has a short service life, and is prone to poor sealing effect due to the entry of impurities.

Method used

A durable automobile steering shock absorber oil seal is designed. An inner sealing pad is set at the outer end of the oil seal body and fits on the outer end face of the support rod to enhance the sealing performance. At the same time, a bottom filter is set under the oil seal body to prevent impurities from entering. Thereby extending the service life of the oil seal.

Benefits of technology

Effectively avoid the leakage of the gap between the oil seal and the support rod, enhance the sealing and service life of the oil seal, and ensure the stability of the liquid inside the shock absorber.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222391948U_ABST
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Abstract

The utility model relates to the technical field of shock absorber oil seals, and discloses a durable automobile steering shock absorber oil seal which comprises an oil seal body, a supporting rod, two outer sealing rings and a bottom filter screen, an inner sealing gasket is fixedly arranged on the upper side of the inner wall of the oil seal body in a sleeved mode, and a connecting ring is fixedly arranged on the inner side of the upper end face of the bottom filter screen. A connecting groove is formed in the lower end face, close to the inner side, of the oil seal body, and inner connecting threads are fixedly arranged on the inner wall, close to the lower side, of the oil seal body. According to the shock absorber oil seal, the inner sealing gasket in the oil seal body is attached to the outer end face of the supporting rod, oil is prevented from leaking between the oil seal body and the supporting rod, the outer sealing ring is arranged on the outer end face of the oil seal body and attached to the inner wall of a shock absorber, oil leakage is effectively avoided, impurities in oil are filtered through the bottom filter screen below the oil seal body, and the service life of the shock absorber is prolonged. Impurities are prevented from reaching the oil seal position to affect use of the oil seal, and the service life of the oil seal body is longer.
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Description

Technical Field

[0001] The utility model relates to the technical field of shock absorber oil seals, in particular to a durable automobile steering shock absorber oil seal. Background Art

[0002] The car steering shock absorber is an important part of the car suspension system. The shock absorber oil seal can ensure that the liquid inside the shock absorber will not leak and maintain the normal operation of the shock absorber. The car steering shock absorber oil seal is a part used to prevent the leakage of the internal liquid (usually hydraulic oil) of the steering shock absorber. Regular inspection and replacement of the steering shock absorber oil seal is an important measure to maintain the normal operation of the car suspension system.

[0003] Most existing shock absorber oil seals do not have very good sealing properties, and when used for a long time, impurities in the oil inside the shock absorber are easy to enter the gap between the oil seal and the shock absorber during movement, resulting in a shortened service life of the oil seal. Therefore, the utility model provides a durable automobile steering shock absorber oil seal to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to solve the shortcomings of the prior art and proposes a durable automobile steering shock absorber oil seal, wherein an inner sealing gasket is arranged at the outer end of the oil seal body, and the inner sealing gasket is fitted on the outer end surface of the support rod, thereby effectively preventing oil from leaking upward from the gap between the oil seal body and the support rod, and blocking the bottom of the oil seal body through the bottom filter screen, thereby preventing impurities in the oil from reaching the position of the oil seal body and causing the sealing effect of the oil seal body to deteriorate.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a durable automobile steering shock absorber oil seal, comprising an oil seal body, a support rod, two outer sealing rings and a bottom filter screen, wherein an inner sealing gasket is fixedly provided on the upper side of the inner wall of the oil seal body, and a connecting ring is fixedly provided on the inner side of the upper end surface of the bottom filter screen;

[0006] A connecting groove is provided on the inner side of the lower end surface of the oil seal body, and an inner connecting thread is fixedly provided on the lower side of the inner wall of the oil seal body;

[0007] Through the above technical solution, an inner sealing gasket is provided at the outer end of the oil seal body, which is fitted to the outer end surface of the support rod to effectively prevent oil from leaking upward from the gap between the oil seal body and the support rod, and the bottom filter is used to block the bottom of the oil seal body to prevent impurities in the oil from reaching the position of the oil seal body and causing the sealing effect of the oil seal body to deteriorate.

[0008] Furthermore, an outer ring groove is provided on the outer side of the upper end surface of the oil seal body, and four inner arc grooves are provided on the inner side of the upper end surface of the oil seal body;

[0009] Through the above technical solution, the cover plate above the oil seal body is restricted by the outer ring groove and the inner arc groove above the oil seal body, so that the cover plate can be placed more stably.

[0010] Furthermore, the outer end surface of the oil seal body is provided with outer embedding grooves at the upper side and the lower side, and the two outer sealing rings are respectively sleeved on the inner walls of the two outer embedding grooves;

[0011] Through the above technical solution, the outer sealing ring is put on the inner wall of the outer embedding groove, and the oil seal body is tightly fitted with the inner wall of the shock absorber through the outer sealing ring, so that the sealing effect of the oil seal body is better and oil leakage is effectively avoided.

[0012] Furthermore, the outer end surface of the connecting ring is provided with a first connecting thread, the outer inner wall of the connecting groove is provided with a second connecting thread, and the first connecting thread and the second connecting thread are threadably sleeved;

[0013] Through the above technical solution, the first connecting thread on the connecting ring is sleeved on the second connecting thread, thereby facilitating the installation of the bottom filter.

[0014] Furthermore, an inner sealing ring is embedded in the inner wall of the connecting ring, the connecting ring is threadedly sleeved on the inner wall of the connecting groove, and the inner sealing ring is arranged on the inner wall of the connecting groove;

[0015] Through the above technical solution, the inner sealing ring is attached to the inner wall of the connecting groove, thereby improving the sealing performance between the connecting ring and the connecting groove and preventing oil from entering the connecting groove.

[0016] Furthermore, a bottom pad is fixedly arranged at the front side and the rear side of the lower end surface of the oil seal body, and the bottom pad is arranged on the upper end surface of the bottom filter;

[0017] Through the above technical solution, the bottom filter is restricted by the bottom pad under the oil seal body, so that the bottom filter will not directly fit on the lower end surface of the oil seal body, so that the filtering effect is better.

[0018] Furthermore, the oil seal body is threadedly sleeved on the outer end surface of the support rod, and the inner sealing gasket is slidably arranged on the outer end surface of the support rod;

[0019] Through the above technical solution, the oil seal body is sleeved on the outer end surface of the support rod through the internal connecting thread, so that the inner sealing gasket fits on the outer end surface of the support rod, so that the sealing between the oil seal body and the support rod is better.

[0020] The utility model has the following beneficial effects:

[0021] 1. The utility model proposes a durable automobile steering shock absorber oil seal, wherein the oil seal body is arranged on the outer end surface of the support rod through a threaded sleeve, and the inner sealing gasket inside the oil seal body is fitted on the outer end surface of the support rod to improve the sealing between the oil seal body and the support rod, and the outer end surface of the oil seal body is provided with an outer sealing ring, which is fitted with the inner wall of the shock absorber to effectively reduce oil leakage.

[0022] 2. The utility model proposes a durable automobile steering shock absorber oil seal, wherein a bottom filter is arranged below the oil seal body, and the bottom filter is threadedly sleeved into the inner wall of the connecting groove below the oil seal body through a connecting ring. The threaded connection makes it more convenient to install and disassemble the bottom filter. The bottom filter is blocked to prevent impurities in the oil on the inner wall of the shock absorber from reaching the position of the oil seal body and affecting the sealing of the oil seal body, thereby making the oil seal body more durable and improving its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is an axonometric schematic diagram of the utility model;

[0024] Figure 2 It is an axonometric schematic diagram of the outer sealing ring of the utility model;

[0025] Figure 3 It is a front cross-sectional schematic diagram of the oil seal body of the utility model;

[0026] Figure 4 It is an axonometric schematic diagram of the oil seal body of the utility model;

[0027] Figure 5 It is an axonometric schematic diagram of the bottom filter of the utility model.

[0028] Legend:

[0029] 1. Inner sealing gasket; 2. Oil seal body; 3. Outer ring groove; 4. Inner arc groove; 5. Inner connecting thread; 6. Bottom filter; 7. Outer sealing ring; 8. First connecting thread; 9. Connecting ring; 10. Inner sealing ring; 11. Support rod; 12. Second connecting thread; 13. Connecting groove; 14. Outer embedded groove; 15. Bottom gasket. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0031] Reference Figure 1-5The utility model provides an embodiment: a durable automobile steering shock absorber oil seal, comprising an oil seal body 2, a support rod 11, two outer sealing rings 7 and a bottom filter 6, an inner seal 1 is fixedly sleeved on the upper side of the inner wall of the oil seal body 2, and a connecting ring 9 is fixedly arranged on the inner side of the upper end surface of the bottom filter 6;

[0032] The bottom filter screen 6 can be fixed below the oil seal body 2 through the connecting ring 9 and attached to the outer end surface of the support rod 11 through the inner wall sealing gasket to ensure the sealing performance of the oil seal body 2.

[0033] A connecting groove 13 is provided on the inner side of the lower end surface of the oil seal body 2, and an inner connecting thread 5 is fixedly provided on the lower side of the inner wall of the oil seal body 2;

[0034] An inner sealing gasket 1 is provided at the outer end of the oil seal body 2, and the inner sealing gasket 1 is fitted on the outer end surface of the support rod 11 to effectively prevent oil from leaking upward from the gap between the oil seal body 2 and the support rod 11, and the bottom filter 6 is used to block the bottom of the oil seal body 2 to prevent impurities in the oil from reaching the position of the oil seal body 2 and causing the sealing effect of the oil seal body 2 to deteriorate.

[0035] An outer ring groove 3 is provided on the upper end surface of the oil seal body 2 at the outer side, four inner arc grooves 4 are provided on the upper end surface of the oil seal body 2 at the inner side, an outer embedding groove 14 is provided on the upper and lower sides of the outer end surface of the oil seal body 2, two outer sealing rings 7 are respectively sleeved on the inner walls of the two outer embedding grooves 14, a first connecting thread 8 is provided on the outer end surface of the connecting ring 9, a second connecting thread 12 is provided on the outer inner wall of the connecting groove 13, and the first connecting thread 8 and the second connecting thread 12 are threadedly sleeved;

[0036] The cover plate above the oil seal body 2 is restricted by the outer ring groove 3 and the inner arc groove 4 above the oil seal body 2, so that the cover plate can be placed more stably, and the outer sealing ring 7 is sleeved on the inner wall of the outer embedding groove 14. The oil seal body 2 and the inner wall of the shock absorber are tightly fitted by the outer sealing ring 7, so that the sealing effect of the oil seal body 2 is better and more effective to avoid oil leakage. The first connecting thread 8 on the connecting ring 9 is sleeved on the second connecting thread 12, so as to facilitate the installation of the bottom filter 6.

[0037] An inner sealing ring 10 is embedded in the inner wall of the connecting ring 9, the connecting ring 9 is threadedly sleeved on the inner wall of the connecting groove 13, the inner sealing ring 10 is arranged on the inner wall of the inner side of the connecting groove 13, the lower end surface of the oil seal body 2 is fixedly provided with a bottom pad 15 at the front and rear sides, the bottom pad 15 is arranged on the upper end surface of the bottom filter 6, the oil seal body 2 is threadedly sleeved on the outer end surface of the support rod 11, and the inner sealing pad 1 is slidably arranged on the outer end surface of the support rod 11;

[0038] The inner sealing ring 10 is fitted on the inner wall of the connecting groove 13, thereby improving the sealing performance between the connecting ring 9 and the connecting groove 13 and preventing oil from entering the connecting groove 13. The bottom filter 6 is restricted by the bottom gasket 15 under the oil seal body 2, so that the bottom filter 6 will not directly fit on the lower end surface of the oil seal body 2, thereby improving the filtering effect. The oil seal body 2 is sleeved on the outer end surface of the support rod 11 through the internal connecting thread 5, thereby allowing the inner sealing gasket 1 to fit on the outer end surface of the support rod 11, thereby improving the sealing performance between the oil seal body 2 and the support rod 11.

[0039] Working principle: When installing the oil seal body 2, screw the connecting ring 9 into the inner wall of the connecting groove 13 below the oil seal body 2 through threads, restrict the bottom filter 6 through the bottom gasket 15, and thus install the bottom filter 6, and then sleeve the outer sealing ring 7 on the inner wall of the outer embedding groove 14, and then thread the oil seal body 2 on the outer end surface of the support rod 11 to enter the shock absorber, and fit the inner sealing gasket 1 of the oil seal body 2 to the outer end surface of the support rod 11, and the outer sealing ring 7 to the inner wall of the shock absorber, so that the sealing performance of the oil seal body 2 is better, and the oil below the shock absorber is filtered through the bottom filter 6 to prevent impurities in the oil from reaching the upper part and affecting the sealing of the oil seal body 2.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A durable automobile steering damper oil seal, comprising an oil seal body (2), a support rod (11), two outer sealing rings (7) and a bottom filter (6), characterized in that: An inner sealing gasket (1) is fixedly provided on the upper side of the inner wall of the oil seal body (2), and a connecting ring (9) is fixedly provided on the inner side of the upper end surface of the bottom filter (6); A connecting groove (13) is provided on the inner side of the lower end surface of the oil seal body (2), and an internal connecting thread (5) is fixedly provided on the lower side of the inner wall of the oil seal body (2).

2. A durable automobile steering damper oil seal according to claim 1, characterized in that: An outer ring groove (3) is provided on the outer side of the upper end surface of the oil seal body (2), and four inner arc grooves (4) are provided on the inner side of the upper end surface of the oil seal body (2).

3. The durable automobile steering damper oil seal according to claim 1, characterized in that: External embedding grooves (14) are provided at the upper and lower sides of the outer end surface of the oil seal body (2), and the two external sealing rings (7) are respectively sleeved on the inner walls of the two external embedding grooves (14).

4. The durable automobile steering damper oil seal according to claim 1, characterized in that: The outer end surface of the connecting ring (9) is provided with a first connecting thread (8), the outer inner wall of the connecting groove (13) is provided with a second connecting thread (12), and the first connecting thread (8) and the second connecting thread (12) are threadedly sleeved.

5. The durable automobile steering damper oil seal according to claim 1, characterized in that: An inner sealing ring (10) is embedded in the inner wall of the connecting ring (9), the connecting ring (9) is threadedly sleeved on the inner wall of the connecting groove (13), and the inner sealing ring (10) is arranged on the inner wall of the inner side of the connecting groove (13).

6. The durable automobile steering damper oil seal according to claim 1, characterized in that: A bottom gasket (15) is fixedly arranged at the front and rear sides of the lower end surface of the oil seal body (2), and the bottom gasket (15) is arranged on the upper end surface of the bottom filter (6).

7. The durable automobile steering damper oil seal according to claim 1, characterized in that: The oil seal body (2) is threadedly sleeved on the outer end surface of the support rod (11), and the inner sealing gasket (1) is slidably disposed on the outer end surface of the support rod (11).