Rubber bushing for transverse stabilizer bar of automobile

Abstract

The utility model relates to the technical field of rubber bushings, in particular to an automobile transverse stabilizer bar rubber bushing which comprises a main body, a first layer assembly is fixedly connected to the interior of the main body, and a second layer assembly is fixedly connected to the side face of the first layer assembly. The nano calcium carbonate is added between the first butadiene rubber layer and the first butadiene styrene rubber layer, so that the isotropic rigidity of the rubber can be enhanced, and the tensile strength, the tearing strength and the wear resistance of the rubber can be remarkably improved by the nano calcium carbonate; the hardness, tensile strength, tensile strength and wear resistance of the rubber can be remarkably improved through filling of the carbon black, and the carbon black has high specific surface area and adsorption performance and can remarkably enhance the tensile strength, hardness and compression resistance of the rubber.

Description

TECHNICAL FIELD

[0001] The utility model relates to rubber bush technical field, concretely is automobile transverse stabilizer rubber bush. BACKGROUND

[0002] The automobile transverse stabilizer rubber bush is a kind of elastic connecting component installed between transverse stabilizer and vehicle body or frame.Rubber bush fixes transverse stabilizer on vehicle body or frame, plays the role of support and positioning, rubber material has good elasticity, can absorb impact and vibration from road, reduces the vibration transmitted to vehicle body, to improve the comfort of vehicle, rubber bush can effectively isolate the noise generated in the working process of transverse stabilizer, reduce the noise level in vehicle, specially designed rubber bush can provide additional torsional stiffness for transverse stabilizer, enhance the handling performance of suspension.

[0003] At present, rubber bush has many problems, for example, rubber bush is easily aged, deformed, hardened or cracked due to long-term exposure in complex use environment, these problems can cause abnormal sound when vehicle is running, especially when turning on bumpy road, in addition, the aging of rubber bush can also affect its buffering and damping performance, further affect the comfort and handling of vehicle, after long-term use, rubber bush can generate gap due to wear, cause the cooperation between transverse stabilizer and bush to be loose, therefore, automobile transverse stabilizer rubber bush is needed to improve the above problems. UTILITY MODEL CONTENTS

[0004] In order to solve the problems of rubber bush at present, for example, rubber bush is easily aged, deformed, hardened or cracked due to long-term exposure in complex use environment, these problems can cause abnormal sound when vehicle is running, especially when turning on bumpy road, in addition, the aging of rubber bush can also affect its buffering and damping performance, further affect the comfort and handling of vehicle, after long-term use, rubber bush can generate gap due to wear, cause the cooperation between transverse stabilizer and bush to be loose, the purpose of the utility model is to provide automobile transverse stabilizer rubber bush to solve the problems in the background.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] The automobile transverse stabilizer rubber bush, including main part, the inside fixed connection of main part has first layer subassembly, the side surface fixed connection of first layer subassembly has second layer subassembly;

[0007] The first layer subassembly includes first nitrile rubber layer, the side surface fixed connection of first nitrile rubber layer has first cis-polybutadiene rubber layer, the side surface fixed connection of first cis-polybutadiene rubber layer has first styrene-butadiene rubber layer.

[0008] As the preferred scheme of the utility model, the first butadiene rubber layer and the first styrene butadiene rubber layer are filled with nano calcium carbonate, and the side surface of the first styrene butadiene rubber layer is fixedly connected with the first natural rubber layer.

[0009] As the preferred scheme of the utility model, the first butadiene rubber layer and the first styrene butadiene rubber layer are filled with nano calcium carbonate, and the side surface of the first styrene butadiene rubber layer is fixedly connected with the first natural rubber layer.

[0010] As the preferred scheme of the utility model, the first butadiene rubber layer and the first styrene butadiene rubber layer are filled with nano calcium carbonate, and the side surface of the first styrene butadiene rubber layer is fixedly connected with the first natural rubber layer.

[0011] As the preferred scheme of the utility model, the second layer assembly includes a second butadiene rubber layer, and the side surface of the second butadiene rubber layer is fixedly connected with a second styrene butadiene rubber layer.

[0012] As the preferred scheme of the utility model, the second butadiene rubber layer and the second styrene butadiene rubber layer are filled with nano calcium carbonate, and the side surface of the second styrene butadiene rubber layer is fixedly connected with a second styrene butadiene rubber layer.

[0013] As the preferred scheme of the utility model, the second butadiene rubber layer and the second styrene butadiene rubber layer are filled with nano calcium carbonate, and the side surface of the second styrene butadiene rubber layer is fixedly connected with a second styrene butadiene rubber layer.

[0014] As the preferred scheme of the utility model, the main body includes a rubber outer ring, and the shape of the rubber outer ring is a ring body.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] 1、in the utility model, by adding nano calcium carbonate between the first butadiene rubber layer and the first styrene butadiene rubber layer, the rigidity of the rubber in each direction can be enhanced, the tensile strength, tear strength and wear resistance of the rubber can be significantly improved, the rigidity and fatigue life requirements of the bushing can be met, the small size effect of nano calcium carbonate can form a uniform network structure in the rubber, the elastic recovery ability of the rubber is enhanced, the processing fluidity of the rubber can be improved, and the processing temperature and energy consumption are reduced.

[0017] 2、in the utility model, by adding carbon black between the first styrene butadiene rubber layer and the first natural rubber layer, the hardness, tensile strength, tensile strength and wear resistance of the rubber can be significantly improved, the carbon black has high specific surface area and adsorption performance, the tensile strength, hardness and compression resistance of the rubber can be significantly enhanced, the high hardness and wear resistance of the carbon black can form a protective layer on the surface of the rubber, effectively resist external wear and tear, and prolong the service life of the rubber product. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the exploded decomposition structure of this utility model;

[0020] Figure 3 This is an exploded view of the first-layer component of this utility model;

[0021] Figure 4 This is an exploded view of the second-layer component of this utility model.

[0022] In the diagram: 1. Main body; 101. Rubber outer ring; 2. First layer component; 201. First nitrile rubber layer; 202. First butadiene rubber layer; 203. First styrene-butadiene rubber layer; 204. First natural rubber layer; 205. Polyurethane layer; 206. Ethylene propylene rubber layer; 3. Second layer component; 301. Second nitrile rubber layer; 302. Second butadiene rubber layer; 303. Second styrene-butadiene rubber layer; 304. Second natural rubber layer. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0024] For examples, please refer to Figures 1-4 This utility model provides a technical solution:

[0025] The automobile stabilizer bar rubber bushing includes a main body 1, a first layer component 2 is fixedly connected inside the main body 1, and a second layer component 3 is fixedly connected to the side of the first layer component 2.

[0026] In this embodiment, as Figure 1 , Figure 2 and Figure 3As shown, the first layer assembly 2 comprises a first nitrile rubber layer 201, the side of the first nitrile rubber layer 201 is fixedly connected with a first butadiene rubber layer 202, the side of the first butadiene rubber layer 202 is fixedly connected with a first butadiene styrene rubber layer 203, by adding nano calcium carbonate between the first butadiene rubber layer 202 and the first butadiene styrene rubber layer 203, the rigidity of the rubber in each direction can be enhanced, the nano calcium carbonate can significantly improve the tensile strength, tear strength and wear resistance of the rubber, so as to meet the rigidity and fatigue life requirements of the bushing, the small size effect of the nano calcium carbonate enables it to form a uniform network structure inside the rubber, enhances the elastic recovery ability of the rubber, and the nano calcium carbonate can improve the processing fluidity of the rubber, reduces the processing temperature and energy consumption.

[0027] Among them, the first butadiene rubber layer 202 and the first butadiene styrene rubber layer 203 are filled with nano calcium carbonate, the side of the first butadiene styrene rubber layer 203 is fixedly connected with a first natural rubber layer 204, the first butadiene styrene rubber layer 203 and the first natural rubber layer 204 are filled with carbon black, the side of the first natural rubber layer 204 is fixedly connected with a polyurethane layer 205, the first butadiene styrene rubber layer 203 and the first natural rubber layer 204 are coated with a flow aid, the side of the polyurethane layer 205 is fixedly connected with an ethylene propylene rubber layer 206, by adding carbon black between the first butadiene styrene rubber layer 203 and the first natural rubber layer 204, the hardness, tensile strength, tensile strength and wear resistance of the rubber can be significantly improved, the carbon black has high specific surface area and adsorption performance, which can significantly enhance the tensile strength, hardness and compression resistance of the rubber, the high hardness and wear resistance of the carbon black enables it to form a protective layer on the surface of the rubber, effectively resisting external wear and tear, and prolonging the service life of the rubber product.

[0028] In this embodiment, as Figure 1 and Figure 4As shown, the second layer assembly 3 comprises a second nitrile rubber layer 301, the side of the second nitrile rubber layer 301 is fixedly connected with a second butadiene rubber layer 302, magnesium oxide is filled between the second nitrile rubber layer 301 and the second butadiene rubber layer 302, the side of the second butadiene rubber layer 302 is fixedly connected with a second styrene butadiene rubber layer 303, the second butadiene rubber layer 302 and the second styrene butadiene rubber layer 303 are coated with an anti-scorching agent, the side of the second styrene butadiene rubber layer 303 is fixedly connected with a second natural rubber layer 304, the main body 1 comprises a rubber outer ring 101, the shape of the rubber outer ring 101 is a ring body, by filling magnesium oxide between the second nitrile rubber layer 301 and the second butadiene rubber layer 302, the hardness and strength of the rubber are enhanced through chemical cross-linking effect, and the wear resistance and tensile properties are improved, the magnesium oxide can react with the vulcanizing agent in the rubber to form a cross-linked structure, so that the hardness and strength of the rubber are significantly enhanced, the magnesium oxide has high hardness and can form a wear-resistant layer on the surface of the rubber, so that the wear resistance of the rubber is significantly improved, and appropriate addition of the magnesium oxide can improve the tensile strength and elongation of the rubber, so that the rubber can better restore to the original state after stretching.

[0029] The working process of the utility model is: when the automobile transverse stabilizer rubber bushing designed by the scheme is used, the nano calcium carbonate is an excellent filler, which can reduce the production cost without reducing the performance of the rubber, the nano calcium carbonate can absorb and scatter ultraviolet rays, reduce the damage of the ultraviolet rays to the organic components in the rubber, and enhance the weather resistance, the carbon black forms a network structure in the rubber, thereby enhancing the cohesion of the rubber and improving the tear resistance, by optimizing the dispersity of the carbon black, the processing performance of the rubber can be improved, and the energy consumption in the mixing process is reduced, the carbon black can improve the viscosity of the rubber, and improve the flowability and forming performance in the processing process, the magnesium oxide has high thermal stability, can prevent the rubber from thermal decomposition and oxidation reaction in a high-temperature environment, thereby prolonging the service life of the rubber product.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A rubber bushing for a vehicle anti-roll bar comprising a main body (1) characterised in that: The inside of the main body (1) is fixedly connected with a first layer assembly (2), and the side of the first layer assembly (2) is fixedly connected with a second layer assembly (3). The first layer assembly (2) comprises a first nitrile rubber layer (201), and the side of the first nitrile rubber layer (201) is fixedly connected with a first cis-butadiene rubber layer (202), and the side of the first cis-butadiene rubber layer (202) is fixedly connected with a first butadiene rubber layer (203).

2. The automobile stabilizer bar rubber bushing according to claim 1, characterized by Nano calcium carbonate is filled between the first cis-butadiene rubber layer (202) and the first butadiene rubber layer (203), and the side of the first butadiene rubber layer (203) is fixedly connected with a first natural rubber layer (204).

3. The automobile stabilizer bar rubber bushing according to claim 2, characterized by Carbon black is filled between the first butadiene rubber layer (203) and the first natural rubber layer (204), and the side of the first natural rubber layer (204) is fixedly connected with a polyurethane layer (205).

4. The automobile stabilizer bar rubber bushing according to claim 3, characterized in that, The first butadiene rubber layer (203) and the first natural rubber layer (204) are coated with a flow aid, and the side of the polyurethane layer (205) is fixedly connected with an ethylene-propylene rubber layer (206).

5. The automobile stabilizer bar rubber bushing according to claim 1, characterized by The second layer assembly (3) comprises a second nitrile rubber layer (301), and the side of the second nitrile rubber layer (301) is fixedly connected with a second cis-butadiene rubber layer (302).

6. The automobile stabilizer bar rubber bushing according to claim 5, characterized in that, Magnesium oxide is filled between the second nitrile rubber layer (301) and the second cis-butadiene rubber layer (302), and the side of the second cis-butadiene rubber layer (302) is fixedly connected with a second butadiene rubber layer (303).

7. The rubber bushing for a control arm of a motor vehicle according to claim 6, characterized in that A scorch retarder is coated between the second cis-butadiene rubber layer (302) and the second butadiene rubber layer (303), and the side of the second butadiene rubber layer (303) is fixedly connected with a second natural rubber layer (304).

8. The automobile stabilizer bar rubber bushing according to claim 1, characterized by The main body (1) comprises a rubber outer ring (101), and the shape of the rubber outer ring (101) is a ring body.

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