Buffer block used in automobile shock absorber

A technology of automobile shock absorbers and buffer blocks, which is applied in the field of buffer blocks for automobile shock absorbers, can solve the problems of high mechanical performance requirements of buffer blocks, and achieve the effects of improving shock absorbing effects, increasing service life, and improving comfort

Inactive Publication Date: 2014-11-19
NINGGUO ZHONGCHEN SEALING PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The shock absorber often exceeds the maximum load, so the buffer block is often used as an auxiliary use, and the mechanical performance of the buffer block is high, and the existing buffer block needs to be improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A buffer block for automobile shock absorbers, the ingredients and their weight ratios are: No. 3 smoked sheet rubber: 80 parts, NBR: 8 parts, stearic acid: 2.2 parts, accelerator M: 0.6 parts, accelerator TT : 1.3 parts, carbon black: 30 parts, antioxidant D: 0.6 parts, antioxidant 4010: 0.6 parts, zinc oxide: 3 parts, paraffin: 0.7 parts, sulfur: 1.4 parts, pine tar: 3 parts.

Embodiment 2

[0017] A buffer block for automobile shock absorbers, the components and their weight ratios are: No. 3 smoked sheet rubber: 84 parts, NBR: 6 parts, stearic acid: 2.4 parts, accelerator M: 0.4 parts, accelerator TT : 1.5 parts, carbon black: 25 parts, antioxidant D: 0.8 parts, antioxidant 4010: 0.4 parts, zinc oxide: 4 parts, paraffin: 0.5 parts, sulfur: 1.6 parts, pine tar: 2.6 parts.

Embodiment 3

[0019] A buffer block for automobile shock absorbers, the components and their weight ratios are: No. 3 smoked sheet rubber: 83 parts, NBR: 8 parts, stearic acid: 2.4 parts, accelerator M: 0.6 parts, accelerator TT : 1.3 parts, carbon black: 30 parts, antioxidant D: 0.8 parts, antioxidant 4010: 0.6 parts, zinc oxide: 3 parts, paraffin: 0.5 parts, sulfur: 11.6 parts, pine tar: 3 parts.

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PUM

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Abstract

The invention discloses a buffer block used in an automobile shock absorber. The buffer block is prepared from the following components in parts by weight: 80-84 parts of #3 smoke sheet rubber, 6-8 parts of nitrile rubber buna, 2.2-2.4 parts of stearic acid, 0.4-0.6 part of accelerant M, 1.3-1.5 parts of accelerant TT, 25-30 parts of carbon black, 0.6-0.8 part of anti-aging agent D, 0.4-0.6 part of anti-aging agent 4010, 3-4 parts of zinc oxide, 0.5-0.7 part of paraffin, 1.4-1.6 parts of sulfur and 2.6-3 parts of pine tar. The #3 smoke sheet rubber used in the buffer block is resistant to fatigue and aging and is solid when being combined with metal, so that the #3 smoke sheet rubber is used as a main body material of the buffer block; due to adoption of the accelerants and the sulfur, the thermal resistance, the aging resistance, the impact resistance and the elasticity of the buffer block are improved, the comfort level of people when sitting on an automobile is improved, the tensile strength is 30-34MPa, the elongation rate is 600-620%, the shore type A hardness is 65-68 degrees, the permanent deformation is less than or equal to 15%, the rebound rate is 25-28%, and the service life is prolonged for 1.5-2.0 times.

Description

technical field [0001] The invention relates to a buffer block for an automobile shock absorber. Background technique [0002] With the continuous development of science and technology, people put forward higher and higher requirements for the ride comfort and operation stability of automobiles. The automobile suspension system directly affects the stability of the vehicle, and the spring is almost the core of the dynamic performance of the suspension system. Because the rubber material itself has the advantages of light weight, impact resistance and high-frequency vibration absorption, coupled with the improvement of rubber and metal bonding technology, rubber materials are widely used in the automotive field. [0003] The shock absorber is an important part of the automobile suspension system. It is mainly used to suppress the shock when the spring rebounds after absorbing the shock and the impact from the road. When passing through uneven roads, although the shock-absor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08L9/02C08K13/02C08K5/09C08K3/04C08K3/22C08K5/01C08K3/06
Inventor 储春辉
Owner NINGGUO ZHONGCHEN SEALING PARTS
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