Anti-corrosion rail transit rubber shock absorber

By designing multi-specification mounting holes and a corrosion-resistant structure with a polytetrafluoroethylene coating in the rail transit rubber shock absorber, the problems of installation compatibility and stability have been solved, achieving stable installation and extending the service life of the corrosion-resistant rail transit rubber shock absorber.

CN224245312UActive Publication Date: 2026-05-15JIANGSU TAICANG LIANGSHENG RUBBER PROD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU TAICANG LIANGSHENG RUBBER PROD CO LTD
Filing Date
2025-06-25
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

Conventional rail transit rubber shock absorbers have a fixed installation structure, making it difficult to adapt to different installation surfaces, and their stability is limited, making it difficult to achieve effective shock absorption.

Method used

A corrosion-resistant rubber shock absorber for rail transit was designed, which adopts a base assembly and a lower shock-absorbing component. By setting mounting holes of various specifications on the base and buffer frame, and spraying a polytetrafluoroethylene protective coating on the surface of the rubber sheath, combined with a fixing bolt and bolt structure, the structure achieves flexible adaptation and corrosion resistance.

Benefits of technology

This achieves stable installation and adaptation of rubber shock absorbers, improves structural stability and corrosion resistance, extends service life, and maintains good shock absorption performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-corrosion rail transit rubber shock absorber, and relates to the technical field of rail transit rubber shock absorbers, the anti-corrosion rail transit rubber shock absorber comprises a base assembly and a lower shock absorption component, the top of the base assembly is movably installed on the lower shock absorption component, and a spring buffer column is vertically installed in the lower shock absorption component; the top of the spring buffer column is connected with an upper damping component, and a fixing bolt is vertically installed in the middle of the top of the upper damping component. According to the anti-corrosion rail transit rubber shock absorber, through the arrangement of the base assembly and the arrangement of the structure of the base assembly, on one hand, structural fixation can be provided for the lower shock absorption component, meanwhile, good structural support can be provided for the lower shock absorption component, the spring buffer columns and the upper shock absorption component, and the structural buffer effect is assisted to be provided; on the other hand, due to the structural arrangement of the first mounting holes and the second mounting holes, a relatively flexible mounting structure can be carried out within a certain range according to the mounting requirements, and the mounting stability of the whole structural part is ensured.
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Description

Technical Field

[0001] This utility model relates to the technical field of rubber shock absorbers for rail transit, specifically a corrosion-resistant rubber shock absorber for rail transit. Background Technology

[0002] The core characteristic of rail transit is that vehicles must run on specific tracks, and their power source is usually electricity, employing a wheel-rail operation mode. Rail transit rubber shock absorbers are devices that utilize the elastic properties of rubber to reduce mechanical vibration, impact, and noise. They absorb and disperse vibration energy, preventing the propagation of vibration waves, thereby achieving the effects of shock absorption, noise reduction, and minimizing the damage caused by impacts.

[0003] Conventional rail transit rubber shock absorbers have relatively fixed installation structures, making it difficult to adapt to different installation surfaces. At the same time, the stability of the fixed structure is relatively limited, making it difficult to achieve effective shock absorption. Utility Model Content

[0004] The purpose of this invention is to provide a corrosion-resistant rubber shock absorber for rail transit to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a corrosion-resistant rubber shock absorber for rail transit, comprising a base assembly and a lower shock absorber component. The top of the base assembly is movably mounted on the lower shock absorber component, and a spring buffer column is vertically mounted inside the lower shock absorber component. The top of the spring buffer column is connected to an upper shock absorber component, and a fixing bolt is vertically mounted in the middle of the top of the upper shock absorber component. A fixing gasket is provided between the fixing bolt and the upper shock absorber component. The base assembly includes a base, a buffer seat, a first mounting hole, a second mounting hole, a buffer frame, a docking hole, and a limiting port. The buffer seat is provided in the middle of the top of the base, and the first mounting hole is provided on the surface of the base near the buffer seat. The second mounting hole is provided on the surface of the base away from the buffer seat. The buffer frame is provided on the top of the buffer seat, and docking holes are provided at the four opposite corners of the top of the buffer frame. A limiting port is provided in the middle of the top of the buffer frame.

[0006] Furthermore, the base is configured in a cross shape, and the base and the buffer frame are integrated into one structure. The bottom of the front and rear sides of the buffer frame is provided with triangular reinforcing ribs.

[0007] Furthermore, the base and the buffer frame are provided with triangular reinforcing ribs on both sides of the connection, and the first mounting hole and the second mounting hole are arranged in a circular array with the base as the center, and there are four sets of each.

[0008] Furthermore, the lower damping component includes a lower rubber sleeve, a fixing plate, and a damping seat. The bottom of the lower rubber sleeve is provided with a fixing plate, and the bottom of the fixing plate is connected to the damping seat.

[0009] Furthermore, the fixed plate has holes at each of its four opposite corners that match the mating hole structure for connecting and assembling the base assembly and the lower shock absorber.

[0010] Furthermore, the lower end of the spring buffer column is vertically fixed inside the lower rubber sheath, and the outer diameter of the shock absorber seat matches the inner diameter of the limiting port.

[0011] Furthermore, the upper shock-absorbing component includes an upper support base, an upper rubber sleeve, a limiting block, and a protective coating. The upper support base is provided with an upper rubber sleeve at its bottom, and a limiting block is provided at the top inner side of the upper support base. Moreover, the outer surfaces of the upper support base and the upper rubber sleeve are coated with a protective coating.

[0012] Furthermore, the outer surface of the lower shock absorber is also coated with a protective coating, and the four opposite corners of the upper support are vertically provided with holes for bolt installation, and the fixing bolt is vertically threaded in the center of the upper support and threadedly connected to the upper end of the spring buffer column.

[0013] This utility model provides a corrosion-resistant rubber shock absorber for rail transit, which has the following advantages:

[0014] 1. This utility model includes a base assembly with four sets of first and second mounting holes arranged around the four sides of the base. Utilizing two different sizes of first and second mounting holes, the entire structural component can be adapted for installation as needed. This allows for appropriate structural adaptation within a certain range, ensuring the stability and robustness of the entire device structure while also guaranteeing structural flexibility in use. Furthermore, a buffer seat is provided at the top center of the base, working in conjunction with the shock-absorbing seat at the bottom of the fixed plate. This effectively assists the spring buffer column inside the shock-absorbing component in absorbing kinetic energy, achieving a good buffering and shock-absorbing effect.

[0015] 2. This utility model features a protective coating applied to the entire outer surface of the lower damping component, as well as the outer surfaces of the upper support and the upper rubber sleeve. The protective coating is made of polytetrafluoroethylene (PTFE), which is waterproof, oil-proof, and wear-resistant. This significantly improves the chemical corrosion resistance and high-temperature resistance of the rubber product while retaining its displacement compensation and damping capabilities. This structural design maximizes the structural strength of the lower and upper damping components, ensuring corrosion resistance and extending the service life of the structural parts. Furthermore, vertical holes for bolt installation are provided at the four opposite corners of the upper support. Combined with the use of fixing bolts and washers, this design ensures a secure connection between the upper damping component and the external structural parts, guaranteeing stable operation and the proper functioning of the entire structure. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the axial side view of the main body of a corrosion-resistant rubber shock absorber for rail transit according to this utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the body of a corrosion-resistant rubber shock absorber for rail transit according to this utility model;

[0018] Figure 3 This is a three-dimensional structural diagram of the base assembly of a corrosion-resistant rubber shock absorber for rail transit according to this utility model;

[0019] Figure 4 This is a three-dimensional structural diagram of the lower shock-absorbing component of a corrosion-resistant rubber shock absorber for rail transit according to this utility model;

[0020] Figure 5 This is a three-dimensional structural diagram of the upper shock-absorbing component of a corrosion-resistant rubber shock absorber for rail transit according to this utility model.

[0021] In the diagram: 1. Base assembly; 101. Base; 102. Buffer seat; 103. First mounting hole; 104. Second mounting hole; 105. Buffer frame; 106. Docking hole; 107. Limiting port; 2. Lower shock-absorbing component; 201. Lower rubber sleeve; 202. Fixing plate; 203. Shock-absorbing seat; 3. Spring buffer column; 4. Upper shock-absorbing component; 401. Upper support seat; 402. Upper rubber sleeve; 403. Limiting block; 404. Protective coating; 5. Fixing bolt; 6. Fixing gasket. Detailed Implementation

[0022] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0023] like Figures 1 to 5 As shown, a corrosion-resistant rubber shock absorber for rail transit includes a base assembly 1 and a lower shock absorber 2. The top of the base assembly 1 is movably mounted on the lower shock absorber 2, and a spring buffer column 3 is vertically installed inside the lower shock absorber 2. The top of the spring buffer column 3 is connected to an upper shock absorber 4, and a fixing bolt 5 is vertically installed in the middle of the top of the upper shock absorber 4. A fixing gasket 6 is provided between the fixing bolt 5 and the upper shock absorber 4. The base assembly 1 includes a base 101, a buffer seat 102, a first mounting hole 103, a second mounting hole 104, a buffer frame 105, a docking hole 106, and a limiting port 107. The buffer seat 102 is provided in the middle of the top of the base 101, and the first mounting hole 103 is opened on the surface of the base 101 near the buffer seat 102. The second mounting hole 104 is opened on the surface of the base 101 away from the buffer seat 102, and the buffer frame 105 is provided on the top of the buffer seat 102. 05. The buffer frame 105 has four opposite corners at the top of each of the four corners of the top, and a limiting opening 107 is provided in the middle of the top of the buffer frame 105. The base 101 is arranged in a cross shape, and the base 101 and the buffer frame 105 are integrated. The bottom of the front and rear sides of the buffer frame 105 is provided with triangular reinforcing ribs. The connection between the base 101 and the buffer frame 105 is provided with triangular reinforcing ribs on both sides. The first mounting hole 103 and the second mounting hole 104 are arranged in a circular array with the base 101 as the center, and there are four sets of each. By arranging four sets of first mounting holes 103 and second mounting holes 104 around the four sides of the base 101, and using two different specifications of first mounting holes 103 and second mounting holes 104, the entire structure can be adapted and installed as needed. Thus, within a certain range, appropriate structural adaptation can be made according to the installation requirements.

[0024] like Figures 1 to 5As shown, the lower damping component 2 includes a lower rubber sleeve 201, a fixing plate 202, and a damping seat 203. The bottom of the lower rubber sleeve 201 is provided with the fixing plate 202, and the bottom of the fixing plate 202 is connected to the damping seat 203. The four opposite corners of the fixing plate 202 are provided with holes that match the structure of the docking hole 106 for connecting the base assembly 1 and the lower damping component 2. The lower end of the spring buffer column 3 is vertically fixed inside the lower rubber sleeve 201. The outer diameter of the damping seat 203 matches the inner diameter of the limiting port 107. The upper damping component 4 includes an upper support 401, an upper rubber sleeve 402, a limiting block 403, and a protective coating 404. The bottom of the upper support 401 is provided with the upper rubber sleeve 402, and the inner side of the upper support 401 is provided with the upper rubber sleeve 402. A limit block 403 is provided at the top, and the outer surfaces of the upper support 401 and the upper rubber sleeve 402 are coated with a protective coating 404. The outer surface of the lower damping component 2 is also coated with a protective coating 404. Holes for bolt installation are vertically opened at the four opposite corners of the upper support 401, and the fixing bolt 5 is vertically threaded in the center of the upper support 401 and threaded to the upper end of the spring buffer column 3. By coating the entire outer surface of the lower damping component 2, as well as the outer surfaces of the upper support 401 and the upper rubber sleeve 402 with a protective coating 404 made of polytetrafluoroethylene, the structural strength of the overall surface of the lower damping component 2 and the upper damping component 4 can be ensured as much as possible, so as to ensure the corrosion resistance of the structural surface and improve the service life of the structural components.

[0025] In summary, as Figures 1 to 5 As shown, when using this corrosion-resistant railway rubber shock absorber, firstly, the first mounting hole 103 and the second mounting hole 104 on the surface of the base 101 are used in conjunction with bolts to install and fix the entire base assembly 1 according to the needs of the installation structure. Then, the lower shock absorber 2 is vertically inserted into the limiting port 107 in the middle of the buffer frame 105, and the holes at the four opposite corners of the fixing plate 202 are aligned with the docking holes 106 at the four opposite corners of the buffer frame 105. Then, bolts are used to connect and assemble them, thereby connecting and fixing the lower shock absorber 2 to the base assembly 1.

[0026] Then, the upper damping component 4 is fitted onto the upper end of the lower damping component 2, which has the spring buffer column 3 installed inside. A fixing bolt 5 is then passed through the upper support seat 401 and screwed into the top of the spring buffer column 3 to connect and combine the lower damping component 2, the spring buffer column 3, and the upper damping component 4. Then, the upper damping component 4 is connected and fixed to the external structure by using bolts through the holes at the four opposite corners of the upper support seat 401. The protective coating 404 can protect the lower rubber sleeve 201, the fixing plate 202, the damping seat 203, and the surfaces of the upper support seat 401 and the upper rubber sleeve 402 to improve service life.

[0027] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A corrosion-resistant rubber shock absorber for rail transit, comprising a base assembly (1) and a lower shock-absorbing component (2), characterized in that: The base assembly (1) is movably mounted on the lower damping member (2) at its top, and a spring buffer column (3) is vertically mounted inside the lower damping member (2). The top of the spring buffer column (3) is connected to the upper damping member (4), and a fixing bolt (5) is vertically mounted in the middle of the top of the upper damping member (4). A fixing pad (6) is provided between the fixing bolt (5) and the upper damping member (4). The base assembly (1) includes a base (101), a buffer seat (102), a first mounting hole (103), a second mounting hole (104), a buffer frame (105), and a docking hole. (106) and limiting port (107), a buffer seat (102) is provided at the top center of the base (101), and a first mounting hole (103) is provided on the surface of the base (101) near the buffer seat (102), and a second mounting hole (104) is provided on the surface of the base (101) away from the buffer seat (102), and a buffer frame (105) is provided at the top of the buffer seat (102), and a docking hole (106) is provided at the four opposite corners of the top of the buffer frame (105), and a limiting port (107) is provided at the top center of the buffer frame (105).

2. The corrosion-resistant rubber shock absorber for rail transit according to claim 1, characterized in that, The base (101) is arranged in a cross shape, and the base (101) and the buffer frame (105) are integrated. The bottom of the front and rear sides of the buffer frame (105) is provided with triangular reinforcing ribs.

3. The corrosion-resistant rubber shock absorber for rail transit according to claim 1, characterized in that, The base (101) and the buffer frame (105) are connected by triangular reinforcing ribs on both sides. The first mounting hole (103) and the second mounting hole (104) are arranged in a circular array with the base (101) as the center, and each has four sets.

4. The corrosion-resistant rubber shock absorber for rail transit according to claim 1, characterized in that, The lower damping component (2) includes a lower rubber sleeve (201), a fixing plate (202) and a damping seat (203). The bottom of the lower rubber sleeve (201) is provided with a fixing plate (202), and the bottom of the fixing plate (202) is connected to the damping seat (203).

5. A corrosion-resistant rubber shock absorber for rail transit according to claim 4, characterized in that, The fixed plate (202) has holes at its four opposite corners that match the docking hole (106) structure for connecting the base assembly (1) and the lower shock absorber (2).

6. A corrosion-resistant rubber shock absorber for rail transit according to claim 4, characterized in that, The lower end of the spring buffer column (3) is vertically fixed inside the lower rubber sleeve (201), and the outer diameter of the shock absorber (203) matches the inner diameter of the limiting port (107).

7. A corrosion-resistant rubber shock absorber for rail transit according to claim 1, characterized in that, The upper shock-absorbing component (4) includes an upper support base (401), an upper rubber sleeve (402), a limiting block (403), and a protective coating (404). The upper support base (401) is provided with an upper rubber sleeve (402) at its bottom, and a limiting block (403) is provided on the top inner side of the upper support base (401). The outer surfaces of the upper support base (401) and the upper rubber sleeve (402) are coated with a protective coating (404).

8. A corrosion-resistant rubber shock absorber for rail transit according to claim 7, characterized in that, The outer surface of the lower shock absorber (2) is also coated with a protective coating (404). The upper support (401) has holes for bolt installation at the four opposite corners. The fixing bolt (5) is vertically threaded in the center of the upper support (401) and threadedly connected to the upper end of the spring buffer column (3).