Vibration absorber dust-proof cover

A technology of dust cover and shock absorber, applied in the direction of shock absorber, spring/shock absorber, shock absorber, etc., can solve the problems of shock absorber pollution, functional failure, damage, etc. Breakage, increased product life, high radial deformation and effects of breakage

Inactive Publication Date: 2014-09-10
CHONGQING CHANGAN AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the soft base material, the radial strength of the dust cover is also low, and radial permanent deformation or damage will occur under the action of external force, and when the radial deformation or damage of the dust cover occurs, the connection cannot effectively prevent dust. As a result, the shock absorber is polluted by sand and eventually leads to functional failure

Method used

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  • Vibration absorber dust-proof cover
  • Vibration absorber dust-proof cover
  • Vibration absorber dust-proof cover

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Embodiment Construction

[0022] The structure and working method of the present invention are further described in detail below in conjunction with specific drawings:

[0023] see image 3 , the shock absorber dust cover proposed by the present invention is composed of the following three parts: the upper sleeve 1, the connecting sleeve 2, and the lower sleeve 3. The inner diameters of the three parts are successively reduced. The sleeve 3 is inserted into the connecting section sleeve 2, and then the combination of the connecting section sleeve 2 and the lower section sleeve 3 is inserted into the upper section sleeve 1, and the ends of the three section sleeves are provided with inward or outward Hook, such as the upper hook structure a or the lower hook structure b, the upper hook structure and the lower hook structure are interlocked to form the cooperation of the hook structure, see Figure 4 , under the action of the hook structure of the three parts, the three sections can be connected reliabl...

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Abstract

A vibration absorber dust-proof cover comprises at least three sleeves, namely an upper sleeve, a lower sleeve and a connecting sleeve, sleeved from outside to inside. The ends of the sleeves are provided with inward or outward hooks; the inner diameter of the upper sleeve is largest, the inner diameter of the connecting sleeve is intermediate, the inner diameter of the lower sleeve is smallest, the rear two sleeves can be telescoped into or out of the upper sleeve completely, and the sleeves are connected through the inward and outward hooks sequentially. The dust-proof cover has the advantages that the characteristic of large-ratio axial size change is provided, the effects of vibration absorption and dust proofing can be achieved during wheel bounce, the internal parts of the vibration absorber can be protected from external sand and earth invasion, and the service life of the vibration absorber is prolonged; the dust-proof cover is in a multi-segment combined structure, after one part is broken due to external force, the part can be changed independently, and maintaining cost is reduced.

Description

technical field [0001] The invention relates to the field of the suspension of the driving system of the automobile chassis, in particular to a shock absorber dust cover. Background technique [0002] Shock absorber is an important part of automobile chassis suspension system. When the car body and wheels vibrate, the friction of the liquid in the shock absorber when it flows through the damping hole and the viscous friction of the liquid form a vibration resistance, which converts the vibration energy into heat energy and dissipates it into the surrounding air, thereby achieving rapid attenuation purpose of vibration. Therefore, shock absorbers play a vital role in vehicle handling stability and ride comfort. [0003] Generally, there is an important part installed on the outside of the shock absorber cylinder, that is, the dust cover. The function of the dust cover is to protect the shock absorber piston rod, oil seal, buffer block and other internal parts from or less ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F9/38
Inventor 刘庆芝陈宋兵乔斌梁油江骆波
Owner CHONGQING CHANGAN AUTOMOBILE CO LTD
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