Hollowed-out rubber shock pad

Abstract

The utility model discloses a hollowed-out rubber shock pad which comprises a column body, hollowed-out holes are formed in the column body, a polyethylene foam layer adheres to the inner side of the column body, a wear-resisting surface layer is arranged in the column body, and a high-temperature anti-oxidation layer adheres to the inner side of the wear-resisting surface layer. A corrosion-resistant layer is adhered to the inner side of the high-temperature anti-oxidation layer, a waterproof layer is adhered to the inner side of the corrosion-resistant layer, a damping layer is adhered to the inner side of the waterproof layer, and an anti-skid layer is adhered to the inner side of the damping layer. Through the structure, the problem that part of the rubber shock pads are softened after being affected by high temperature can be solved, the situation that the buffering and shock absorption functions of the rubber shock pads are weakened after the rubber shock pads are affected by the high temperature is avoided, and the problem that some rubber shock pads are damaged when being assembled on automobile parts can be solved. The situation that parts are likely to be cracked due to vibration of different frequencies is avoided, and the problem that the cost is increased due to the fact that the density of a rubber shock pad needs to be increased is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of shock-absorbing pads, in particular to a hollow rubber shock-absorbing pad. Background Art

[0002] The curled long-chain molecular structure of rubber and the weak secondary forces between molecules make rubber materials present unique viscoelastic properties, thus having good shock absorption, sound insulation and cushioning properties. Rubber parts are widely used to isolate vibrations and absorb shocks because they have the characteristics of hysteresis, damping and reversible large deformation. For the assembly of pipe parts, especially automotive air conditioning refrigerant pipes, when they are assembled at two fixed points with different vibration frequencies and the surrounding space is not suitable for adding rubber hose shock absorption, in order to ensure that the parts are not torn, it is necessary to add shock-absorbing pads for shock absorption.

[0003] In the prior art, some rubber shock-absorbing pads cannot avoid the performance of the rubber shock-absorbing pads under high temperature conditions. After being affected by high temperature, the rubber shock-absorbing pads become softened, and most of the functions of the rubber shock-absorbing pads may be reduced, thereby weakening the buffering and shock-absorbing functions of the rubber shock-absorbing pads. When they are assembled on some parts of an automobile, it cannot be guaranteed that the parts will not be affected by the heat emitted by the automobile engine. In the prior art, some rubber shock-absorbing pads are usually affected by vibration when they are assembled on automobile parts. When the rubber shock-absorbing pads are affected by vibration, they can only buffer part of the vibration, so that some vibration will still act on the parts of the automobile. In the prior art, if it is necessary to further protect the automobile parts so that the vibration of the automobile parts is greatly reduced, the density of the rubber shock-absorbing pads may need to be increased so that the rubber shock-absorbing pads can play their maximum role. However, increasing the density of the rubber shock-absorbing pads will increase the cost and increase the weight of the rubber shock-absorbing pads. Utility Model Content

[0004] The purpose of the utility model is to provide a hollow rubber shock-absorbing pad, which can solve the problem that the performance of some rubber shock-absorbing pads will soften after being affected by high temperature, avoid the situation that the buffering and shock-absorbing functions of the rubber shock-absorbing pads are weakened after being affected by high temperature, and can solve the situation that some rubber shock-absorbing pads may cause the parts to be torn when they are assembled on automobile parts due to vibrations of different frequencies, and avoid the problem that the density of the rubber shock-absorbing pad needs to be increased, which will lead to increased costs and increased weight of the rubber shock-absorbing pad.

[0005] In order to achieve the above object, a hollow rubber shock-absorbing pad is provided, comprising a column, wherein a hollow hole is opened inside the column, and a polyethylene foam layer is adhered to the inner side of the column;

[0006] The interior of the column is provided with a wear-resistant surface layer, the inner side of the wear-resistant surface layer is adhered with a high-temperature anti-oxidation layer, the inner side of the high-temperature anti-oxidation layer is adhered with a corrosion-resistant layer, the inner side of the corrosion-resistant layer is adhered with a waterproof layer, the inner side of the waterproof layer is adhered with a shock-absorbing layer, and the inner side of the shock-absorbing layer is adhered with an anti-slip layer.

[0007] According to the hollow rubber shock-absorbing pad, a spring is arranged inside the hollow hole.

[0008] According to the hollow rubber shock-absorbing pad, the shape of the hollow hole is fan-shaped.

[0009] According to the hollow rubber shock-absorbing pad, the material of the waterproof layer is polyester fiber.

[0010] According to the hollow rubber shock-absorbing pad, the material of the corrosion-resistant layer is tetrafluoroethylene.

[0011] According to the hollow rubber shock-absorbing pad, the number of the hollow holes is four.

[0012] According to the hollow rubber shock-absorbing pad, the material of the high-temperature anti-oxidation layer is silicon carbide fiber.

[0013] The utility model has the following beneficial effects:

[0014] 1. Compared with the prior art, the hollow rubber shock-absorbing pad has a larger compression amount than the general rubber shock-absorbing pad under the same thickness by setting the hollow hole. Because the internal hollow structure is adopted, the weight is about 20% lower than the general rubber shock-absorbing pad under the same compression requirement. At the same time, the cost will be reduced accordingly. The hollow structure design increases the elasticity of the rubber shock-absorbing pad, so that it has a good shock-absorbing effect. When the auto parts are vibrated or impacted, the shock-absorbing pad can absorb part of the energy and reduce the vibration transmission to the auto parts and surrounding components. By setting the spring, the rubber shock-absorbing pad can be buffered in time when it is subjected to the force from the side, so that the shock-absorbing performance of the rubber shock-absorbing pad can be buffered twice. By setting the polyethylene foam layer, the auto parts can be protected by the properties of the polyethylene foam layer when subjected to vibration or force from the side, so that the auto parts can be protected and buffered to different degrees.

[0015] 2. Compared with the prior art, this hollow rubber shock-absorbing pad, by setting a waterproof layer, realizes that when water penetrates the column, under the action of the waterproof layer, the material of the waterproof layer is polyester fiber, and polyester fiber is a synthetic fiber, usually made of polyester resin through drawing, spinning and other processes. The hygroscopicity of polyester fiber is poor, it is not easy to absorb moisture, and can be dried quickly. The side of the waterproof layer is provided with hollow holes, so that the moisture on the surface of the waterproof layer can be quickly dried and will not penetrate inward, thereby achieving a stable waterproof effect.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0018] Figure 1 It is a three-dimensional diagram of a hollow rubber shock-absorbing pad of the utility model;

[0019] Figure 2 This is a half-section view of a hollow rubber shock-absorbing pad of the utility model;

[0020] Figure 3 It is a transverse cross-sectional view of a hollow rubber shock-absorbing pad of the utility model.

[0021] Legend:

[0022] 1. Column; 2. Wear-resistant surface layer; 3. High-temperature anti-oxidation layer; 4. Corrosion-resistant layer; 5. Waterproof layer; 6. Shock-absorbing layer; 7. Anti-slip layer; 8. Spring; 9. Polyethylene foam layer; 10. Hollow hole. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1-3The utility model embodiment is a hollow rubber shock-absorbing pad, which includes a column 1, the column 1 is provided with a hollow hole 10, the number of the hollow holes 10 is four, the shape of the hollow hole 10 is fan-shaped, a spring 8 is arranged inside the hollow hole 10, and a polyethylene foam layer 9 is adhered to the inside of the column 1, wherein the polyethylene foam layer 9 has the advantages of low density, good flexibility, and high recovery rate; better shockproof performance than polystyrene plastic, with an independent bubble structure, low surface water absorption rate; good anti-penetration performance; acid, alkali, salt, oil and other organic solvent corrosion, excellent aging resistance; no flow at high temperature, etc.;

[0025] The above structure, by setting the hollow hole 10, realizes that the hollow rubber shock-absorbing pad has a greater compression amount than the general rubber shock-absorbing pad under the same thickness. Because the internal hollow structure is adopted, the weight is about 20% lower than the general rubber shock-absorbing pad under the same compression requirement, and the cost will be reduced accordingly. The hollow structure design increases the elasticity of the rubber shock-absorbing pad, so that it has a good shock-absorbing effect. When the automobile parts are vibrated or impacted, the shock-absorbing pad can absorb part of the energy and reduce the vibration transmitted to the automobile parts and surrounding components. By setting the spring 8, it is realized that when the rubber shock-absorbing pad is subjected to the force from the side, it is buffered in time, so that the shock-absorbing performance of the rubber shock-absorbing pad is buffered twice. By setting the polyethylene foam layer 9, it is realized that when it is subjected to vibration or force from the side, the automobile parts are protected by the properties of the polyethylene foam layer 9, so that the automobile parts are protected and buffered to different degrees.

[0026] The inside of the column 1 is provided with a wear-resistant surface layer 2, and the inner side of the wear-resistant surface layer 2 is adhered with a high-temperature anti-oxidation layer 3, and the material of the high-temperature anti-oxidation layer 3 is silicon carbide fiber, which is a carbon fiber reinforced carbon and silicon carbide dual matrix material. The material has the advantages of low density, good oxidation resistance, corrosion resistance, excellent mechanical properties and thermal physical properties. It is a new type of high-temperature structural material and functional material that can meet the use of 1650°C. The inner side of the high-temperature anti-oxidation layer 3 is adhered with a corrosion-resistant layer 4, and the material of the corrosion-resistant layer 4 is tetrafluoroethylene. Tetrafluoroethylene is one of the best corrosion-resistant materials in the world today. It can be used for a long time in any kind of chemical medium. Its production solves many problems in my country's chemical, petroleum, pharmaceutical and other fields. Polytetrafluoroethylene seals, gaskets, and gaskets. Polytetrafluoroethylene seals, gaskets, and sealing gaskets are made of suspended polymerized polytetrafluoroethylene resin molding. Compared with other plastics, polytetrafluoroethylene has excellent chemical corrosion resistance and temperature resistance. It has been widely used as a sealing material and filling material. The polymer compound formed by the polymerization of polytetrafluoroethylene has excellent chemical stability, corrosion resistance, sealing, high lubricity and non-stickiness, electrical insulation and good anti-aging resistance. It can work for a long time at a temperature of +250℃ to -180℃. It can withstand all other chemicals except molten metal sodium and liquid fluorine. It does not change even when boiled in aqua regia. The inner side of the corrosion-resistant layer 4 is adhered with a waterproof layer 5. The material of the waterproof layer 5 is polyester fiber. Polyester fiber is a synthetic fiber, usually made of polyester resin through drawing, spinning and other processes. The hygroscopicity of polyester fiber is poor, it is not easy to absorb moisture, and it can achieve rapid drying. The side of the waterproof layer 5 is provided with a hollow hole 10, so that the moisture on the surface of the waterproof layer 5 can be quickly dried and will not penetrate inward to achieve a stable waterproof effect. The inner side of the waterproof layer 5 is adhered with a shock-absorbing layer 6, and the inner side of the shock-absorbing layer 6 is adhered with an anti-slip layer 7.

[0027] Working principle: Under the condition of the same thickness, the compression amount of the hollow rubber shock-absorbing pad is greater than that of the general rubber shock-absorbing pad. Because of the internal hollow structure, the weight is about 20% lower than that of the general rubber shock-absorbing pad under the condition of the same compression requirement. At the same time, the cost will be reduced accordingly. The hollow structure design increases the elasticity of the rubber shock-absorbing pad, giving it a good shock-absorbing effect. When auto parts are subjected to vibration or impact, the shock-absorbing pad can absorb part of the energy and reduce the vibration transmitted to the auto parts and surrounding components. When the rubber shock-absorbing pad is subjected to side force, it is buffered in time, so that the shock-absorbing performance of the rubber shock-absorbing pad is buffered twice. When subjected to vibration or side force, the auto parts are protected by the properties of the polyethylene foam layer 9, so that the auto parts are protected and buffered to varying degrees. When water penetrates the column 1, under the action of the waterproof layer 5, the material of the waterproof layer 5 is polyester fiber. Polyester fiber is a synthetic fiber, usually made of polyester resin through drawing, spinning and other processes. The hygroscopicity of polyester fiber is poor, it is not easy to absorb moisture, and can be dried quickly. The side of the waterproof layer 5 is provided with hollow holes 10, so that the moisture on the surface of the waterproof layer 5 can be quickly dried and will not penetrate inward, thereby achieving a stable waterproof effect.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A hollow rubber shock-absorbing pad, characterized in that: It comprises a column (1), wherein a hollow hole (10) is provided inside the column (1), and a polyethylene foam layer (9) is adhered to the inner side of the column (1); The column (1) is provided with a wear-resistant surface layer (2) inside, a high-temperature anti-oxidation layer (3) is adhered to the inner side of the wear-resistant surface layer (2), a corrosion-resistant layer (4) is adhered to the inner side of the high-temperature anti-oxidation layer (3), a waterproof layer (5) is adhered to the inner side of the corrosion-resistant layer (4), a shock-absorbing layer (6) is adhered to the inner side of the waterproof layer (5), and an anti-slip layer (7) is adhered to the inner side of the shock-absorbing layer (6).

2. A hollow rubber shock-absorbing pad according to claim 1, characterized in that: A spring (8) is arranged inside the hollow hole (10).

3. The hollow rubber shock-absorbing pad according to claim 1, characterized in that: The hollow hole (10) is in the shape of a fan.

4. The hollow rubber shock-absorbing pad according to claim 1, characterized in that: The waterproof layer (5) is made of polyester fiber.

5. The hollow rubber shock-absorbing pad according to claim 1, characterized in that: The material of the corrosion-resistant layer (4) is tetrafluoroethylene.

6. The hollow rubber shock-absorbing pad according to claim 1, characterized in that: The number of the hollow holes (10) is four.

7. The hollow rubber shock-absorbing pad according to claim 1, characterized in that: The material of the high-temperature anti-oxidation layer (3) is silicon carbide fiber.

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