High-durability automobile chassis lining

By applying chlorinated rubber anti-corrosion paint and water-based anti-corrosion paint on the outside of the automobile chassis bushing and combining it with multiple layers of rubber paint, the problem of poor corrosion resistance of the bushing is solved, and high durability and waterproof performance are achieved.

CN223344465UActive Publication Date: 2025-09-16NINGGUO XINGYUAN RUBBER PROD
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Patent Information

Application Number
CN202423014020.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-07
Publication Date
2025-09-16
Estimated Expiration
2034-12-07

AI Technical Summary

Technical Problem

Existing automobile chassis bushings need to be replaced regularly, the external paint layer is easy to fall off, the corrosion resistance is poor, and the service life is short.

Method used

Chlorinated rubber anti-corrosion paint and water-based anti-corrosion paint are used to form a double-layer protection structure on the outside of the bushing and the connection part, and combined with polyurethane elastic rubber paint, epoxy paint and acrylic elastic rubber paint to form a multi-layer protection to improve corrosion resistance and waterproof performance.

Benefits of technology

The corrosion resistance and waterproof performance of the bushing are enhanced, the service life is extended, and it can withstand high temperature and corrosive environment while maintaining the beautiful effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-durability automobile chassis lining which comprises a lining body, a connecting part is integrally installed on the top of the lining body, chlorinated rubber anti-corrosion paint is coated on the outer portion of the lining body, water-based anti-corrosion paint is coated on the outer portion of the connecting part, and the water-based anti-corrosion paint is coated on the outer portion of the lining body. The inner surface of the chlorinated rubber anti-corrosion paint is coated with polyurethane elastic rubber paint. By arranging the chlorinated rubber anti-corrosion paint and the water-based anti-corrosion paint, a double-layer protection structure can be formed outside the lining and the connecting part, the corrosion resistance and the waterproof performance of the lining can be improved on the original basis, meanwhile, good physical protection can be provided for the lining, water erosion can be resisted, the corrosive environment can be effectively resisted, and the service life of the lining is prolonged. The water-based anticorrosive paint has the advantages that the water-based anticorrosive paint is high in paint film adhesion and corrosion resistance, and the service life of the bushing is prolonged when the water-based anticorrosive paint is used in a special environment.
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Description

Technical Field

[0001] The utility model relates to the technical field of bushings, in particular to a high-durability automobile chassis bushing. Background Art

[0002] With the development of the automobile industry, people have higher and higher demands for energy saving, comfort, reliability and other aspects of automobiles. In the guide devices of the suspension system, the connection hinge points with the car body are increasingly connected with rubber bushings. However, the chassis bushings currently used generally need to be replaced regularly. The external paint layer will fall off after long-term use, and the overall corrosion resistance is poor. It is easily affected by the environment and ages, thereby reducing the service life of the bushing. Utility Model Content

[0003] The purpose of the utility model is to provide a high-durability automobile chassis bushing with the advantages of corrosion resistance and aging resistance.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-durability automobile chassis bushing, comprising a bushing body, a connecting portion integrally installed on the top of the bushing body, the exterior of the bushing body coated with chlorinated rubber anti-corrosion paint, the exterior of the connecting portion coated with water-based anti-corrosion paint, an annular groove provided at the bottom of the bushing body, a spring symmetrically installed inside the annular groove, a sealing ring fixedly installed at the inner end of the spring, and an annular sealing gasket fixedly installed inside the lower end of the sealing ring.

[0005] As a preferred solution, the inner surface of the chlorinated rubber anti-corrosion paint is coated with polyurethane elastic rubber paint, and the polyurethane elastic rubber paint is distributed in an annular shape on the outer surface of the bushing body.

[0006] As a preferred solution, the outer surface of the connecting portion is annularly distributed on epoxy paint, and the outer surface of the epoxy paint is connected to the inner wall coating of the water-based anti-corrosion paint.

[0007] As a preferred solution, the epoxy paint has a double-layer structure, and the epoxy paint consists of high-temperature resistant paint and acrylic elastic rubber paint, and the outer surface of the high-temperature resistant paint is coated with acrylic elastic rubber paint.

[0008] As a preferred solution, the thickness of the polyurethane elastic rubber paint is 0.5 microns, and the thickness of the chlorinated rubber anti-corrosion paint is 0.1 microns.

[0009] As a preferred solution, the bottom of the bushing body is coated with anti-corrosion paint, and the outside of the anti-corrosion paint is waterproofed.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0011] 1. The utility model forms a double-layer protection structure on the outside of the bushing and the connection part by arranging chlorinated rubber anti-corrosion paint and water-based anti-corrosion paint, and can also improve the corrosion resistance and waterproof performance of the bushing on the original basis. At the same time, it can provide good physical protection for the bushing, can resist water erosion, effectively resist corrosive environment, and can withstand the test of natural environment. At the same time, it has a certain aesthetic effect. The water-based anti-corrosion paint film has strong adhesion and strong anti-corrosion performance, and increases the service life of the bushing when used in special environments.

[0012] 2. The utility model uses epoxy paint to have adhesion and good chemical resistance, so that the bushing made of rubber material can be used for a longer time and the chemical properties are more stable. At the same time, the high-temperature resistant paint can withstand high temperatures above 200°C and will not soften when used under high temperature conditions, while the acrylic elastic rubber paint can provide good adhesion and durability. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional diagram of the structure of the utility model;

[0014] Figure 2 This is a top view of the structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the epoxy paint of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the bushing main body when viewed from above.

[0017] In the figure: 1. Bushing body; 2. Connection part; 3. Chlorinated rubber anti-corrosion paint; 4. Water-based anti-corrosion paint; 5. Polyurethane elastic rubber paint; 6. Epoxy paint; 7. High-temperature resistant paint; 8. Acrylic elastic rubber paint; 9. Annular groove; 10. Spring; 11. Sealing ring; 12. Annular sealing gasket. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] Secondly, the term "one embodiment" or "embodiment" 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 various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments. Example 1:

[0020] See also Figure 1 As shown, the utility model provides a high-durability automobile chassis bushing, including a bushing body 1, a connecting part 2 is integrally installed on the top of the bushing body 1, the outside of the bushing body 1 is coated with a chlorinated rubber anti-corrosion paint 3, the outside of the connecting part 2 is coated with a water-based anti-corrosion paint 4, an annular groove 9 is provided at the bottom of the bushing body 1, a spring 10 is symmetrically installed inside the annular groove 9, a sealing ring 11 is fixedly installed at the inner end of the spring 10, and an annular sealing gasket 12 is fixedly installed inside the lower end of the sealing ring 11.

[0021] The present technical solution sets up the application of chlorinated rubber anti-corrosion paint 3 and water-based anti-corrosion paint 4, which can form a double-layer protection structure on the outside of the bushing and the connecting part 2, and can also improve the corrosion resistance and waterproof performance of the bushing on the original basis. At the same time, it can provide good physical protection for the bushing, can resist water erosion, effectively resist corrosive environment, and can withstand the test of natural environment, and at the same time has a certain aesthetic effect. The water-based anti-corrosion paint 4 has strong paint film adhesion and strong anti-corrosion performance, and increases the service life of the bushing when used in special environments. In addition, the spring 10 and sealing ring 11 added to the bottom of the bushing, after the bushing is installed, the spring 10 squeezes and supports the sealing ring 11, and the sealing ring 11 and the annular sealing gasket 12 can be fitted with the outside of the installation equipment, and can also prevent gaps in the connection from entering dust. Example 2:

[0022] On the basis of embodiment 1, the present invention is as follows Figure 2 As shown, it is disclosed that the inner surface of the chlorinated rubber anti-corrosion paint 3 is coated with a polyurethane elastic rubber paint 5 , and the polyurethane elastic rubber paint 5 is distributed in an annular shape on the outer surface of the bushing body 1 .

[0023] Use Figure 1 In the technical solution shown, the polyurethane elastic rubber paint 5 has wear-resistant, waterproof and weather-resistant properties, and can play a certain protective role on the surface of the bushing.

[0024] Secondly, in the technical solution, the outer surface of the connecting part 2 is distributed in an annular manner on the epoxy paint 6, and the outer surface of the epoxy paint 6 is coated and connected with the inner wall of the water-based anti-corrosion paint 4; the epoxy paint 6 is a double-layer structure, and the epoxy paint 6 is composed of high-temperature resistant paint 7 and acrylic elastic rubber paint 8, and the outer surface of the high-temperature resistant paint 7 is coated with acrylic elastic rubber paint 8.

[0025] It uses Figure 1 In the technical solution shown, the epoxy paint 6 has adhesion and good chemical resistance, which makes the bushing made of rubber material last longer and the chemical properties more stable. At the same time, the high-temperature resistant paint 7 can withstand high temperatures above 200°C and will not soften when used under high temperature conditions, while the acrylic elastic rubber paint 8 can provide good adhesion and durability. Example 3

[0026] The utility model Figures 1-4 As shown, the thickness of the polyurethane elastic rubber paint 5 is 0.5 microns, and the thickness of the chlorinated rubber anti-corrosion paint 3 is 0.1 microns; the bottom of the bushing body 1 is coated with the anti-corrosion paint, and the outside of the anti-corrosion paint is waterproofed.

[0027] By adopting the above technical solution, paint layers of different thicknesses are coated and distributed on the outside of the bushing to form a multi-layered protective structure. The chemical properties of the internal paint layer structure are relatively stable. When the external paint layer fails, it can play a corresponding protective effect without affecting the use of the bushing.

[0028] The working principle of the present invention is: by arranging chlorinated rubber anti-corrosion paint 3 and water-based anti-corrosion paint 4, a double-layer protection structure can be formed on the outside of the bushing and the connecting part 2, and the corrosion resistance and waterproof performance of the bushing can be improved on the original basis. At the same time, it can provide good physical protection for the bushing, be able to resist water erosion, effectively resist corrosive environment, and withstand the test of natural environment, while having a certain aesthetic effect. The water-based anti-corrosion paint 4 has strong paint film adhesion, has strong anti-corrosion performance, and improves the service life of the bushing when used in special environments.

[0029] It is important to note that the configuration and arrangement of the present application, as shown in various exemplary embodiments, are illustrative only. Although only a few embodiments are described in detail in this disclosure, those reading this disclosure will readily appreciate that numerous modifications are possible (e.g., variations in the size, dimensions, structure, shape, and proportions of various components, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without materially departing from the novel teachings and advantages of the subject matter described herein. For example, components shown as integrally formed may be constructed from multiple parts or components, the positions of components may be inverted or otherwise altered, and the nature, number, or position of discrete components may be modified or changed. Therefore, all such modifications are intended to be encompassed within the scope of this invention. The order or sequence of any process or method steps may be altered or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover structures described herein that perform the function described, and not only structural equivalence but also equivalent structures. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0030] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the scope of protection of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A high-durability automobile chassis bushing, comprising a bushing body (1), characterized in that: A connecting portion (2) is integrally installed on the top of the bushing body (1), the outside of the bushing body (1) is coated with a chlorinated rubber anti-corrosion paint (3), the outside of the connecting portion (2) is coated with a water-based anti-corrosion paint (4), an annular groove (9) is provided at the bottom of the bushing body (1), a spring (10) is symmetrically installed inside the annular groove (9), a sealing ring (11) is fixedly installed at the inner end of the spring (10), and an annular sealing gasket (12) is fixedly installed inside the lower end of the sealing ring (11).

2. The high-durability automobile chassis bushing according to claim 1, characterized in that: The inner surface of the chlorinated rubber anti-corrosion paint (3) is coated with a polyurethane elastic rubber paint (5), and the polyurethane elastic rubber paint (5) is distributed in an annular shape on the outer surface of the bushing body (1).

3. The high-durability automobile chassis bushing according to claim 1, characterized in that: The outer surface of the connecting portion (2) is annularly distributed on the epoxy paint (6), and the outer surface of the epoxy paint (6) is connected to the inner wall coating of the water-based anti-corrosion paint (4).

4. The high-durability automobile chassis bushing according to claim 3, characterized in that: The epoxy paint (6) has a double-layer structure, and the epoxy paint (6) is composed of a high-temperature resistant paint (7) and an acrylic elastic rubber paint (8), and the outer surface of the high-temperature resistant paint (7) is coated with the acrylic elastic rubber paint (8).

5. The high-durability automobile chassis bushing according to claim 2, characterized in that: The thickness of the polyurethane elastic rubber paint (5) is 0.5 microns, and the thickness of the chlorinated rubber anti-corrosion paint (3) is 0.1 microns.

6. The high-durability automobile chassis bushing according to claim 1, characterized in that: The bottom of the bushing body (1) is coated with anti-corrosion paint, and the outside of the anti-corrosion paint is waterproofed.