CN214404480U - Shock absorber end cover capable of preventing abnormal impact sound - Google Patents
Shock absorber end cover capable of preventing abnormal impact sound Download PDFInfo
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- CN214404480U CN214404480U CN202022401558.4U CN202022401558U CN214404480U CN 214404480 U CN214404480 U CN 214404480U CN 202022401558 U CN202022401558 U CN 202022401558U CN 214404480 U CN214404480 U CN 214404480U
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- shock absorber
- cover
- end cover
- buffer block
- caping
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Abstract
The utility model provides a bumper shock absorber end cover of crashproof abnormal sound for reduce the noise that automobile shock absorber buffer block striking end cover produced, including caping and lid, lid lower extreme opening, the caping is connected with the lid upper end, caping central authorities are equipped with the through-hole that matches with bumper shock absorber piston rod shape, the caping upper surface is equipped with a plurality of lug. The convex block reduces the contact area of the buffer block of the shock absorber and the top cover, so that the buffer block and the top cover are not easy to generate larger noise when being impacted. The utility model discloses a substantive effect is: the lug is additionally arranged on the end cover at low cost, so that the impact noise of the buffer block is reduced, the strength of the end cover is improved, and the technical problem that the buffer block of the existing automobile shock absorber is contacted with the end cover to generate large abnormal sound when the automobile passes through a rough road surface is solved.
Description
Technical Field
The utility model belongs to the technical field of the bumper shock absorber technique and specifically relates to indicate a bumper shock absorber end cover of crashproof abnormal sound.
Background
With the development of economy, automobiles as important vehicles play an increasingly important role in the daily life of people. In the use of automobiles, the safety of the automobile is a very important problem, and the shock absorber serving as a key component of the automobile suspension is an indispensable part for ensuring the safety of the automobile, and the yield and the quality of the shock absorber have direct influence on the automobile. The shock absorber is mainly used for inhibiting the shock generated when the spring rebounds after absorbing shock and the shock from the road surface, and accelerating the attenuation of the shock of the frame and the vehicle body so as to improve the driving smoothness and the comfort of the vehicle; when the shock absorber passes through the uneven road surface, although the shock absorbing spring can filter the shock of the road surface, the spring can still reciprocate, and the shock absorber is used for inhibiting the spring from jumping.
The working principle is that when the frame or the vehicle body and the axle vibrate and move relatively, the piston moves up and down in the inner cylinder, the damping oil in the shock absorber flows back and forth between the two cylinders which are isolated from each other through the narrow pore space on the 'through valve', and the mechanical energy of the vehicle body vibration is converted into heat energy which is absorbed by the oil and the shock absorbing cylinder body and then is dissipated into the atmosphere due to the damping force formed by the friction between the pore wall and the damping oil and the internal friction of liquid molecules.
Among the components of the shock absorber, the buffer block and the end cover can effectively solve the problems of fatigue and hardness of the spring, and improve the shock absorption efficiency of the original vehicle. The shock absorber, the ball head and the suspension system are protected, and maintenance cost is saved. However, when the buffer block with higher density is used in the prior art, the buffer block is harder, the upper section of the end cover is designed to be a plane, and the technical problem that when an automobile passes through a rough road surface, the buffer block is contacted with the end cover to generate larger abnormal sound exists.
Publication No. CN206968334U discloses a bumper shock absorber top cap structure of improving suspension NVH performance, including bumper shock absorber top cap and pouring weight, the pouring weight is hollow tubular structure, outside the bumper shock absorber outer tube was located to hollow pouring weight cover, the up end of pouring weight and the lower terminal surface fixed connection of bumper shock absorber top cap. The utility model discloses the pouring weight of fixed basis weight under the top cap of bumper shock absorber can change the mode of suspension system under specific frequency, improves suspension system's NVH performance to improve whole car in the road noise level on coarse grain road surface, improve whole car and take the travelling comfort. However, the utility model discloses a mode noise reduction that increases the pouring weight and increase bumper shock absorber weight and make the bumper shock absorber be difficult for producing vibration, the cost is higher, also can increase the car dead weight simultaneously.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the technical problem that when an automobile passes through a rough road surface, a buffer block of the existing automobile shock absorber is contacted with an end cover to generate large abnormal sound is solved.
In order to solve the technical problem, the utility model provides a bumper shock absorber end cover of crashproof abnormal sound for reduce the noise that automobile shock absorber buffer block striking end cover produced, including caping and lid, lid lower extreme opening, the caping is connected with the lid upper end, caping central authorities are equipped with the through-hole that matches with bumper shock absorber piston rod shape, the caping upper surface is equipped with a plurality of lug. The convex block reduces the contact area of the buffer block of the shock absorber and the cover top, so that the buffer block and the cover top are not easy to generate larger noise when being impacted. And the lower end opening of the end cover is connected with the outer cylinder of the shock absorber.
Preferably, the end cover is in a circular truncated cone shape, and the outer diameter of the lower end of the end cover is larger than that of the upper end of the end cover. The lower end of the end cover is required to be connected with the outer cylinder of the shock absorber, so that the outer diameter of the end cover is larger than that of the upper end of the end cover.
Preferably, the surface of the outer side of the cover body is provided with at least two protrusions for clamping, and each two adjacent protrusions are provided with a through hole therebetween. The cover body and the automobile shock absorber are tightly fixed by the bulges and are not easy to rotate, and the through holes reduce the material for the end cover.
Preferably, the upper surface of the cover top is provided with a sponge layer.
Preferably, the height of the bump on the upper surface of the cover top is 1mm, and the thickness of the sponge layer is 1.5 mm. The sponge layer can better absorb vibration, the sponge layer is provided with a fixing groove matched with the shape of the convex block, and the convex block enables the sponge layer not to fall off easily. The sponge layer can also store a certain amount of lubricating oil so that the piston rod of the shock absorber can move smoothly.
Preferably, the number of the bumps on the upper surface of the cover top is three. The triangle-shaped structure can increase the physical strength of caping, and if lug quantity is too much simultaneously can make end cover and buffer block area of contact increase, weakens the effect of weakening the noise.
The utility model discloses a substantive effect is: the lug is additionally arranged on the end cover at low cost, so that the impact noise of the buffer block is reduced, the strength of the end cover is improved, and the technical problem that the buffer block of the existing automobile shock absorber is contacted with the end cover to generate large abnormal sound when the automobile passes through a rough road surface is solved.
Drawings
Fig. 1 is a schematic structural diagram of the first embodiment.
FIG. 2 is a schematic view of an installation position of the embodiment.
In the figure: 1. the automobile bumper comprises a cover top, a cover body 2, a convex block 3, a through hole 4, a piston rod 5, a buffer block 6 and a sponge layer 7.
Detailed Description
The following provides a more detailed description of the present invention, with reference to the accompanying drawings.
As shown in fig. 1, the embodiment includes a cover top 1 and a cover body 2, the outer diameter of the cover top 1 is 50mm, the lower end of the cover body 2 is open, the cover top 1 and the cover body 2 are integrally formed, a through hole 4 with a diameter of 12.5mm is processed in the center of the cover top 1, and three bumps 3 with a height of 1mm are arranged on the upper surface of the cover top 1. The convex block 3 reduces the contact area between the buffer block 6 of the shock absorber and the cover top, so that the shock absorber and the cover top are not easy to generate larger noise when being impacted. The lower end opening of the end cover is connected with the outer cylinder of the shock absorber. The end cover is in a round table shape, and the outer diameter of the lower end of the end cover is 53 mm. The lower end of the end cover is required to be connected with the outer cylinder of the shock absorber, so that the outer diameter of the end cover is larger than that of the upper end of the end cover. 2 outside surfaces of lid are equipped with two at least archs that are used for the joint, and every two are adjacent all be equipped with a through-hole between the arch.
As shown in fig. 2, the upper surface of the cover top 1 is provided with a sponge layer 7 with the thickness of 1.5mm, the piston rod 5 of the automobile shock absorber can move up and down when an automobile passes through uneven road, and the buffer block 6 connected with the piston rod 5 can impact the sponge layer 7 and the lug 3 on the cover top 1 instead of directly impacting the upper surface of the whole end cover.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the claims.
Claims (6)
1. The utility model provides a bumper shock absorber end cover of crashproof abnormal sound for reduce the noise that automobile shock absorber buffer block striking end cover produced, its characterized in that: the shock absorber piston rod structure is characterized by comprising a cover top and a cover body, wherein the lower end of the cover body is open, the cover top is connected with the upper end of the cover body, a through hole matched with the shape of a shock absorber piston rod is formed in the center of the cover top, and a plurality of convex blocks are arranged on the upper surface of the cover top.
2. The end cap of a shock absorber for preventing abnormal impact noise according to claim 1, wherein: the end cover is in a circular truncated cone shape, and the outer diameter of the lower end of the end cover is larger than that of the upper end of the end cover.
3. The end cap of a shock absorber for preventing abnormal impact noise according to claim 1, wherein: the lid outside surface is equipped with two at least archs that are used for the joint, and every two are adjacent all be equipped with a through-hole between the arch.
4. The end cap of a shock absorber for preventing abnormal impact noise according to claim 1, wherein: the upper surface of the cover top is provided with a sponge layer.
5. The end cap of a shock absorber for preventing abnormal impact noise according to claim 4, wherein: the height of the bump on the upper surface of the cover top is 1mm, and the thickness of the sponge layer is 1.5 mm.
6. The end cap of a shock absorber for preventing abnormal impact noise according to claim 4, wherein: the number of the lugs on the upper surface of the cover top is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022401558.4U CN214404480U (en) | 2020-10-26 | 2020-10-26 | Shock absorber end cover capable of preventing abnormal impact sound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022401558.4U CN214404480U (en) | 2020-10-26 | 2020-10-26 | Shock absorber end cover capable of preventing abnormal impact sound |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214404480U true CN214404480U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202022401558.4U Active CN214404480U (en) | 2020-10-26 | 2020-10-26 | Shock absorber end cover capable of preventing abnormal impact sound |
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| CN (1) | CN214404480U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483871A (en) * | 2022-02-11 | 2022-05-13 | 浙江吉利控股集团有限公司 | Automobile shock absorber |
-
2020
- 2020-10-26 CN CN202022401558.4U patent/CN214404480U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483871A (en) * | 2022-02-11 | 2022-05-13 | 浙江吉利控股集团有限公司 | Automobile shock absorber |
| CN114483871B (en) * | 2022-02-11 | 2024-01-09 | 浙江吉利控股集团有限公司 | Automobile shock absorber |
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