Automobile shock absorber with bionic multi-cavity structure

By simplifying the structural design and combining the sliding sleeve with the damping telescopic rod, the complexity of the biomimetic multi-cavity automotive shock absorber was solved, achieving a shock absorption effect that is easy to produce and maintain, and reducing costs.

CN223953159UActive Publication Date: 2026-02-27ZHEJIANG WENDA SHOCK ABSORBER
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Patent Information

Application Number
CN202520854771.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-30
Publication Date
2026-02-27
Estimated Expiration
2035-04-30

AI Technical Summary

Technical Problem

Existing biomimetic multi-cavity automotive shock absorbers have complex structures, leading to increased manufacturing difficulties and high maintenance costs.

Method used

The design adopts a simplified structure, including a main damping mechanism and an auxiliary damping mechanism. It utilizes a combination of a sliding sleeve and a damping telescopic rod, and ensures the smooth movement of the sliding sleeve through an equal-angle fixing and moving positioning mechanism. Rollers are installed inside the sliding sleeve to improve smoothness. The overall structure is simple and features an independent cavity design.

Benefits of technology

This invention enables the development of automotive shock absorbers that are simple in structure, easy to manufacture and maintain, and can effectively eliminate both small and large amplitude vibrations, while reducing manufacturing costs and maintenance difficulties.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile accessories, and discloses a bionic multi-cavity structure automobile shock absorber which comprises a main shock absorption mechanism, an auxiliary shock absorption mechanism is arranged at the bottom end of the main shock absorption mechanism, the main shock absorption mechanism comprises a first damping telescopic rod, and the upper fixed end and the lower movable end of the first damping telescopic rod are each fixedly connected with a cover plate. A first damping spring is fixedly connected between the side walls of the opposite sides of the two cover plates. By the adoption of the structural design which is simplified and beneficial to maintenance, the shock absorber comprises a main shock absorber structure, a sliding sleeve structure is arranged on the outer side of the middle of the movable end of the main shock absorber structure in a sliding mode, and four auxiliary shock absorber structures are fixedly installed between the sliding sleeve structure and a bottom cover plate of the main shock absorber structure at equal angles. Damping structures of the main shock absorber structure and the auxiliary shock absorber structure are damping telescopic rods, cavities are formed in the damping telescopic rods, the whole automobile shock absorber is provided with a plurality of cavity structures which are mutually independent, the structure is simple, and production, manufacturing and maintenance are facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, specifically is bionic multi -cavity structure automobile shock absorber. BACKGROUND

[0002] In the field of automotive engineering, shock absorber is the key component to ensure the driving comfort and control stability of the vehicle. The traditional automobile shock absorber often has difficulty in balancing comfort and control when dealing with complex road conditions. With the development of bionics, bionic multi-cavity structure automobile shock absorber emerges as the times require.

[0003] The existing bionic multi-cavity structure automobile shock absorber still has the following problems in use: its structure is complex and the cost is high, compared with the traditional shock absorber, the bionic multi-cavity structure usually has more cavities, pistons, damping valves and connecting pipelines and other components, which makes its structure more complex, increases the production and manufacturing difficulty, leads to the rise of manufacturing cost, and the complex structure also means that more parts may fail, increasing the maintenance cost and difficulty in the later period. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a bionic multi-cavity structure automobile shock absorber, which solves the problems raised in the background art.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a bionic multi-cavity structure automobile shock absorber, comprising a main damping mechanism, the bottom end of the main damping mechanism is provided with an auxiliary damping mechanism, the main damping mechanism comprises a first damping telescopic rod, the upper fixed end and the lower movable end of the first damping telescopic rod are each fixedly connected with a cover plate, a first damping spring is fixedly connected between the side walls of the two cover plates on the opposite side, the auxiliary damping mechanism comprises a sliding sleeve slidingly sleeved on the outer side of the middle part of the movable end of the first damping telescopic rod, the sliding sleeve is located on the inner side of the first damping spring, four second damping telescopic rods are fixedly connected between the bottom end of the sliding sleeve and the top end of the bottom cover plate in equal angle shape, a second damping spring is slidingly sleeved on the outer side of the second damping telescopic rod, the top end of the second damping spring is fixedly connected with the bottom end of the sliding sleeve, and the bottom end of the second damping spring is fixedly connected with the top end of the bottom cover plate.

[0006] As a further scheme of the utility model: a moving positioning mechanism is arranged between the sliding sleeve and the first damping telescopic rod, the moving positioning mechanism comprises four positioning guide rods fixedly connected to the outer periphery of the bottom end of the fixed end of the first damping telescopic rod in equal angle shape, the four positioning guide rods and the four second damping telescopic rods are arranged in equal distance staggered shape, the bottom end of the positioning guide rod is fixedly connected with a stop block, and four positioning holes for slidingly connecting the positioning guide rods are formed between the upper and lower side walls of the sliding sleeve.

[0007] As a further scheme of the utility model: four assembly grooves are formed in the inner side wall of the sliding sleeve in equal angles, one roller is rotatably installed in each assembly groove, and the four rollers are rollingly connected to the outer wall of the movable end of the first damping telescopic rod at one end.

[0008] As a further scheme of the utility model: one assembly shaft seat is fixedly connected to the center position of one end of each of the two cover plates, an assembly hole is formed in each side wall of the assembly shaft seat, and an assembly sleeve is fixedly connected in each assembly hole.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] 1. In the utility model, the structure design is simplified and beneficial to maintenance, the movable end middle outer side of a main shock absorber structure is slidably provided with a sliding sleeve structure, four auxiliary shock absorber structures are fixedly installed between the sliding sleeve structure and the bottom cover plate of the main shock absorber structure in equal angles, the damping structures of the main shock absorber structure and the auxiliary shock absorber structure are all damping telescopic rods, the inside of the damping telescopic rod is provided with a cavity, the overall automobile shock absorber is provided with multiple cavity structures and is independent of each other, the structure is relatively simple, and the production, manufacturing and maintenance are beneficial.

[0011] 2. In the utility model, a moving positioning mechanism is arranged between the sliding sleeve and the first damping telescopic rod, the stable movement of the sliding sleeve relative to the fixed end of the first damping telescopic rod is limited, meanwhile, four assembly grooves are formed in the inner side of the sliding sleeve in equal angles, one roller is rotatably installed in each assembly groove, and the movable end of the first damping telescopic rod is rollingly connected to one end of the four rollers, so that the smoothness of the movement of the sliding sleeve relative to the movable end of the first damping telescopic rod is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the overall three-dimensional structure of the utility model Figure 1 ;

[0013] Figure 2 It is the overall three-dimensional structure of the utility model Figure 2 ;

[0014] Figure 3 It is the three-dimensional view of the main shock absorbing mechanism of the utility model;

[0015] Figure 4 It is the three-dimensional view of the auxiliary detection mechanism of the utility model.

[0016] In the figure: 1, main damping mechanism; 2, auxiliary damping mechanism; 11, first damping telescopic rod; 12, cover plate; 13, assembly shaft seat; 14, assembly hole; 15, assembly sleeve; 16, positioning guide rod; 17, stop block; 18, first damping spring; 21, sliding sleeve; 22, positioning hole; 23, assembly groove; 24, roller; 25, second damping telescopic rod; 26, second damping spring. DETAILED DESCRIPTION

[0017] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0018] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more than two; The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; It can be mechanically connected, or it can be electrically connected; It can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0020] Please refer to Figures 1-4The utility model discloses an embodiment, bionic multi -cavity structure car shock absorber, including main damping mechanism 1, and the bottom of main damping mechanism 1 is provided with auxiliary damping mechanism 2, and main damping mechanism 1 includes first damping telescopic link 11, and the upper fixed end of first damping telescopic link 11 and the lower movable end are each fixedly connected with a cover plate 12, and the fixedly connected with first damping spring 18 between the side wall of the opposite side of two cover plates 12, and auxiliary damping mechanism 2 includes the sliding sleeve 21 of sliding sleeve connection in the middle part outside of first damping telescopic link 11 movable end, and the inside of sliding sleeve 21 is located first damping spring 18, and the bottom of sliding sleeve 21 is fixedly connected with four second damping telescopic link 25 between the top of bottom cover plate 12 with equal angle, and the outside sliding sleeve connection of second damping telescopic link 25 has second damping spring 26, and the bottom of second damping spring 26 is fixedly connected with the top of bottom cover plate 12, and the whole adopts the structure design of simplification and being beneficial to maintenance, and it includes a main shock absorber structure, and the movable end middle part outside of its is slidably provided with sliding sleeve 21 structure, and the equal angle fixed mounting of sliding sleeve 21 structure and the bottom cover plate 12 of main shock absorber structure has four auxiliary shock absorber structures, and the damping structure of main shock absorber structure and auxiliary shock absorber structure is all damping telescopic link, and the inside of damping telescopic link is provided with cavity, and the whole car shock absorber is provided with multiple cavity structures and is independent, and its structure is relatively simple, and it is beneficial to production and maintenance.

[0021] The movable positioning mechanism is arranged between the sliding sleeve 21 and the first damping telescopic link 11, and the movable positioning mechanism comprises four positioning guide rods 16 fixedly connected to the bottom periphery of the fixed end of the first damping telescopic link 11 at equal angles, the four positioning guide rods 16 are arranged at equal distances and staggered between the four second damping telescopic links 25, the bottom end of each positioning guide rod 16 is fixedly connected with a stop block 17, and four positioning holes 22, in which the positioning guide rods 16 are slidably connected, are formed between the upper and lower side walls of the sliding sleeve 21, and the movable positioning mechanism arranged between the sliding sleeve 21 and the first damping telescopic link 11 can limit the smooth movement of the sliding sleeve 21 relative to the fixed end of the first damping telescopic link 11.

[0022] Four assembly grooves 23 are formed in the inner side wall of the sliding sleeve 21 at equal angles, one roller 24 is rotatably installed in each assembly groove 23, the four rollers 24 are rollingly connected to the outer wall of the movable end of the first damping telescopic link 11 at one end, and the four rollers 24 are rollingly connected to the movable end of the first damping telescopic link 11 at one end, so that the smoothness of the movement of the sliding sleeve 21 relative to the movable end of the first damping telescopic link 11 is ensured.

[0023] One assembly shaft seat 13 is fixedly connected to the center position of each end of the two cover plates 12, an assembly hole 14 is formed in each side wall of the assembly shaft seat 13, and an assembly sleeve 15 is fixedly connected in each assembly hole 14, so that the assembly sleeve 15 in the assembly shaft seat 13 at the upper and lower ends can be used to cooperatively connect the shaft, and the whole car shock absorber can be installed.

[0024] The working principle of the utility model is: can pass through the assembly pair 15 in the assembly shaft seat 13 of upper and lower two ends cooperation assembly connecting shaft, the installation of whole automobile shock absorber, when using, when its small amplitude damping work, its first damping telescopic rod 11 collocation first shock absorbing spring 18 damping work, when its large amplitude damping work, its first damping telescopic rod 11 mobile end to its fixed end shrink, its fixed end bottom can contact its sliding sleeve 21 and press down, its second damping telescopic rod 25 and second shock absorbing spring 26 damping, can better eliminate large amplitude vibration, because its sliding sleeve 21 and first damping telescopic rod 11 between setting move positioning mechanism, can limit its sliding sleeve 21 relative its first damping telescopic rod 11 fixed end smooth movement, in addition its four gyro wheel 24 opposite end rolling connection its first damping telescopic rod 11 mobile end, guarantee sliding sleeve 21 relative first damping telescopic rod 11 mobile end movement smoothness.

[0025] The above, only for the preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this, any skilled in the art technical personnel in the utility model disclosed technical range, according to the utility model technical scheme and the utility model concept of the utility model are equivalent to replace or change, all should be covered in the protection scope of the utility model.

Claims

1. A bionic multi-cavity structure automobile shock absorber, comprising a main shock absorbing mechanism (1); characterized in that The bottom end of the main shock absorbing mechanism (1) is provided with an auxiliary shock absorbing mechanism (2), the main shock absorbing mechanism (1) comprises a first damping telescopic rod (11), the upper fixed end and the lower movable end of the first damping telescopic rod (11) are each fixedly connected with a cover plate (12), and the first damping telescopic rod (11) is fixedly connected with a first damping spring (18) between the side walls of the opposite sides of the two cover plates (12). The auxiliary shock absorbing mechanism (2) comprises a sliding sleeve (21) which is slidably sleeved on the outer side of the middle part of the movable end of the first damping telescopic rod (11), the sliding sleeve (21) is located on the inner side of the first damping spring (18), and four second damping telescopic rods (25) are fixedly connected between the bottom end of the sliding sleeve (21) and the top end of the bottom cover plate (12) in an equal angle manner. The outer side of the second damping telescopic rod (25) is slidably sleeved with a second damping spring (26), the top end of the second damping spring (26) is fixedly connected with the bottom end of the sliding sleeve (21), and the bottom end of the second damping spring (26) is fixedly connected with the top end of the bottom cover plate (12). A moving positioning mechanism is arranged between the sliding sleeve (21) and the first damping telescopic rod (11).

2. The biomimetic multi-cavity structure automotive shock absorber according to claim 1, characterized in that: The moving positioning mechanism comprises four positioning guide rods (16) which are fixedly connected to the outer periphery of the bottom end of the fixed end of the first damping telescopic rod (11) in an equal angle manner.

3. The biomimetic multi-cavity structure automotive shock absorber according to claim 2, characterized in that: The four positioning guide rods (16) and the four second damping telescopic rods (25) are arranged in an equal distance staggered manner, and the bottom end of the positioning guide rod (16) is fixedly connected with a stop block (17).

4. The biomimetic multi-cavity structure automotive shock absorber according to claim 1, characterized in that: Four positioning holes (22) for slidably connecting the positioning guide rods (16) are formed between the upper and lower side walls of the sliding sleeve (21).

5. The biomimetic multi-cavity automotive shock absorber of claim 1, wherein: Four assembly grooves (23) are formed on the inner side wall of the sliding sleeve (21) in an equal angle manner, and one roller (24) is rotatably installed in each assembly groove (23).

6. The biomimetic multi-cavity automotive shock absorber of claim 5, wherein: The opposite ends of the four rollers (24) are rollingly connected with the outer wall of the movable end of the first damping telescopic rod (11).

7. The biomimetic multi-cavity structure automotive shock absorber according to claim 1, characterized in that: Two assembly shaft seats (13) are fixedly connected to the center positions of the opposite ends of the two cover plates (12), assembly holes (14) are formed in the side walls of the two assembly shaft seats (13), and assembly sleeves (15) are fixedly connected in the assembly holes (14).