Automobile shock absorber with silencing structure
By incorporating sound insulation cotton, an oil injector, and a delivery pipe into the car shock absorber, the noise problem was solved, automatic oil filling was achieved, and ride comfort and market competitiveness were improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-14
- Publication Date
- 2026-04-03
AI Technical Summary
Existing automotive shock absorbers lack an automatic oil filling function, resulting in noise during operation, affecting ride comfort, increasing costs, and reducing market share.
A car shock absorber with a noise reduction structure was designed. By setting sound insulation cotton, an oil injector and a delivery pipe on the outer surface of the shock absorber body, automatic oil injection and noise reduction are achieved. The shock absorber body is assembled and fixed by a structure such as a limit gear, a clamping plate and a mounting ring.
It effectively reduces noise generation, improves passenger comfort, lowers operating costs, and increases market share.
Smart Images

Figure CN224079523U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive shock absorber technology, specifically an automotive shock absorber with a noise reduction structure. Background Technology
[0002] The term "shock absorber" is a common term in the automotive chassis industry. An automotive shock absorber is actually a vibration damper. Shock absorbers are used not only in the suspension of automobiles but also in other locations, such as the driver's cab, seats, and steering wheel. They can also be used as buffers in vehicle bumpers. Hydraulic shock absorbers are widely used in automotive suspension systems. Their principle is that when the chassis and axle reciprocate relative to each other, and the piston moves back and forth within the cylinder of the shock absorber, the oil inside the shock absorber housing repeatedly flows from one inner cavity to another through narrow orifices. At this time, the friction between the liquid and the inner wall, as well as the internal friction of the liquid molecules, creates a damping force against vibration. However, existing automotive shock absorbers do not have an automatic oil filling function, which may cause noise during operation, affecting passenger comfort, reducing market share, increasing user costs, and failing to meet people's needs. Utility Model Content
[0003] The purpose of this invention is to provide a car shock absorber with a noise reduction structure, which has the advantage of reducing noise.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a car shock absorber with a noise reduction structure, comprising a shock absorber body, a second semicircular cover and a first semicircular cover respectively provided on both sides of the outer surface of the shock absorber body, sound insulation cotton provided on the inner surface of the second semicircular cover, an oil injector fixedly installed on the top of the shock absorber body, push rods fixedly installed on both sides of the top of the oil injector cavity, a fixed plate fixedly installed on the output end of the push rod, a compression plate fixedly installed on the bottom of the fixed plate by a bracket, an oil bladder fixedly installed on the bottom of the oil injector cavity, and a delivery pipe fixedly installed on both sides of the outer surface of the oil bladder.
[0005] As a preferred embodiment, a limit gear is fixedly installed at the upper end of the shock absorber body, an installation block is fixedly installed at the bottom of the shock absorber body, and a first spring is sleeved on the front surface of the shock absorber body.
[0006] As a preferred embodiment, a retaining plate is fixedly installed on one side of the first semicircular cover, and a retaining groove is provided on one side of the second semicircular cover.
[0007] As a preferred embodiment, the outer surfaces of the first and second semicircular covers are provided with mounting rings, the right end of the mounting rings is provided with connecting holes, the inner surface of the mounting rings is fixedly connected with anti-slip rings, and mounting bolts are provided on both sides of the mounting rings.
[0008] As a preferred embodiment, a polished rod is fixedly installed on both sides of the inner cavity of the oil injector, and a slip ring is slidably installed on the front surface of the polished rod. The ends of the slip rings that are close to each other are fixedly installed on both sides of the fixing plate.
[0009] As a preferred embodiment, a second spring is fixedly installed at the middle of the top of the inner cavity of the oil injector, and the bottom of the second spring is fixedly installed on the top of the fixing plate.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0011] This utility model solves the problem that existing automotive shock absorbers do not have an automatic oil filling function, which may cause noise during operation, affecting passenger comfort, reducing market share, increasing user costs, and failing to meet people's needs. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of this utility model;
[0013] Figure 2 This is a schematic diagram of the mounting ring structure of this utility model;
[0014] Figure 3 This is a cross-sectional view of the oil tank structure of this utility model.
[0015] In the diagram: 1. Shock absorber body; 2. Oil tank; 3. Delivery pipe; 4. Limit gear; 5. First semicircular cover; 6. Clamping plate; 7. Mounting block; 8. Clamping groove; 9. First spring; 10. Second semicircular cover; 11. Sound insulation cotton; 12. Mounting ring; 13. Mounting bolt; 14. Connecting hole; 15. Anti-slip ring; 16. Second spring; 17. Push rod; 18. Fixing plate; 19. Oil bladder; 20. Extrusion plate; 21. Slip ring; 22. Polished rod. Detailed Implementation
[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0017] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments. Example
[0018] Please see Figure 1 and Figure 3 As shown, this utility model provides a car shock absorber with a noise reduction structure, including a shock absorber body 1. A second semicircular cover 10 and a first semicircular cover 5 are respectively provided on both sides of the outer surface of the shock absorber body 1. The inner surface of the second semicircular cover 10 is provided with sound insulation cotton 11. An oil injector 2 is fixedly installed on the top of the shock absorber body 1. Push rods 17 are fixedly installed on both sides of the top of the inner cavity of the oil injector 2. A fixing plate 18 is fixedly installed at the output end of the push rod 17. A compression plate 20 is fixedly installed at the bottom of the fixing plate 18 through a bracket. An oil bladder 19 is fixedly installed at the bottom of the inner cavity of the oil injector 2. A delivery pipe 3 is fixedly installed on both sides of the outer surface of the oil bladder 19.
[0019] This technical solution addresses the problem that existing automotive shock absorbers lack an automatic oil filling function, which may cause noise during operation, affecting passenger comfort, reducing market share, increasing user costs, and failing to meet user needs. Example
[0020] Based on Embodiment 1, this utility model is as follows: Figures 1-3 As shown, a limit gear 4 is fixedly installed at the upper end of the shock absorber body 1, an mounting block 7 is fixedly installed at the bottom of the shock absorber body 1, a first spring 9 is sleeved on the front surface of the shock absorber body 1, a clamping plate 6 is fixedly installed on one side of the first semicircular cover 5, a clamping groove 8 is opened on one side of the second semicircular cover 10, a mounting ring 12 is provided on the outer surface of the first semicircular cover 5 and the second semicircular cover 10, a connecting hole 14 is opened at the right end of the mounting ring 12, an anti-slip ring 15 is fixedly connected to the inner surface of the mounting ring 12, mounting bolts 13 are provided on both sides of the mounting ring 12, a polished rod 22 is fixedly installed on both sides of the inner cavity of the oil injector 2, a slip ring 21 is slidably installed on the front surface of the polished rod 22, one end of the slip ring 21 that is close to each other is fixedly installed on both sides of the fixed plate 18, a second spring 16 is fixedly installed at the middle of the top of the inner cavity of the oil injector 2, and the bottom of the second spring 16 is fixedly installed on the top of the fixed plate 18.
[0021] By adopting the above technical solution, the installation block 7 facilitates the installation of the device by the user. The card plate 6 and the card slot 8 enable the assembly of the second semicircular cover 10 and the first semicircular cover 5. The installation ring 12, the installation bolt 13 and the anti-slip ring 15 enable the fixation of the second semicircular cover 10 and the first semicircular cover 5. The light rod 22 and the slip ring 21 enable the limiting of the fixed plate 18.
[0022] The working principle of this utility model is as follows: the shock absorber body 1 is covered by the slot 8 and the plate 6. The sound insulation cotton 11 reduces noise. Then, the start push rod 17 drives the fixed plate 18 to adjust its height through the smooth rod 22 and the slip ring 21. The height adjustment of the fixed plate 18 drives the extrusion plate 20 to adjust its height. The extrusion plate 20 extrudes the oil bladder 19, and the extrusion of the oil bladder 19 sprays the internal lubricating oil into the shock absorber body 1 through the delivery pipe 3 to achieve the lubrication function and reduce noise. Then, the second spring 16 can reset the extrusion plate 20. Finally, the first semicircular cover 5 and the second semicircular cover 10 can be reinforced by the mounting ring 12 and the mounting bolt 13.
[0023] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.
[0024] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.
[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the essence and scope of the technical solutions of this utility model.
Claims
1. A vehicle shock absorber having a sound deadening structure, comprising a shock absorber body (1), characterized by: The outer surface of the shock absorber body (1) is provided with a second semicircular cover (10) and a first semicircular cover (5) on both sides, respectively, the inner surface of the second semicircular cover (10) is provided with sound insulation cotton (11), the top of the shock absorber body (1) is fixedly installed with an oil injector (2), the both sides of the top of the oil injector (2) inner cavity are fixedly installed with a push rod (17), the output end of the push rod (17) is fixedly installed with a fixed plate (18), the bottom of the fixed plate (18) is fixedly installed with an extrusion plate (20) through a support, the bottom of the oil injector (2) inner cavity is fixedly installed with an oil bag (19), the both sides of the outer surface of the oil bag (19) are fixedly installed with a delivery pipe (3).
2. The automobile shock absorber with a sound damping structure according to claim 1, characterized in that: The upper end of the shock absorber body (1) is fixedly installed with a limiting gear (4), the bottom of the shock absorber body (1) is fixedly installed with a mounting block (7), and the front surface of the shock absorber body (1) is sleeved with a first spring (9).
3. The automobile shock absorber with a sound damping structure according to claim 1, characterized in that: One side of the first semicircular cover (5) is fixedly installed with a clamping plate (6), and one side of the second semicircular cover (10) is provided with a clamping groove (8).
4. The automotive shock absorber having a sound deadening structure according to claim 1, characterized by: The outer surface of the first semicircular cover (5) and the second semicircular cover (10) is provided with a mounting ring (12), the right end of the mounting ring (12) is provided with a connecting hole (14), the inner surface of the mounting ring (12) is fixedly connected with an antiskid ring (15), and the both sides of the mounting ring (12) are provided with mounting bolts (13).
5. The automotive shock absorber having a sound deadening structure according to claim 1, characterized by: The both sides of the oil injector (2) inner cavity are fixedly installed with a polished rod (22), the front surface of the polished rod (22) is slidably installed with a sliding ring (21), and the both sides of the fixed plate (18) are fixedly installed with the sliding ring (21) which is close to each other.
6. The automotive shock absorber having a sound deadening structure according to claim 1, characterized by: The middle end of the top of the oil injector (2) inner cavity is fixedly installed with a second spring (16), and the bottom of the second spring (16) is fixedly installed on the top of the fixed plate (18).