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Rubber cup of automobile brake

A technology for rubber cups and automobile brakes, which is applied to engine components, engine seals, mechanical equipment, etc. It can solve problems such as wear resistance and sealing performance reduction, poor process precision control, and inner lip thickness.

Inactive Publication Date: 2014-08-06
HUZHOU QIANJIN BAOYUN MACHINERY CASTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the inner lip of the existing leather cup is not well made, the process precision control is not in place, and the thickness of the inner lip is not easy to maintain. If the thickness of the inner lip is too thin, the wear resistance and sealing performance of the cup will be reduced, but the inner lip If the thickness of the mouth is too thick, the cup is easy to interfere with the assembly, resulting in easy damage to the lip

Method used

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  • Rubber cup of automobile brake

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Embodiment 1 of the present invention: automobile brake rubber cup, making rubber bowl 1, outer lip 2 and inner lip 3 are arranged on bowl 1, groove 4 is made on inner lip 3, groove The section of 4 is trapezoidal or V-shaped. The depth of the groove 4 is 1 / 4-3 / 4 of the height of the inner lip 3 .

Embodiment 2

[0013] Embodiment 2 of the present invention: automobile brake rubber cup, making rubber bowl 1, outer lip 2 and inner lip 3 are arranged on bowl 1, groove 4 is made on inner lip 3, after testing , the cross-section of the groove 4 is trapezoidal, and a ring-shaped protrusion is formed at the end of the inner lip 3, which has a better effect of reducing the interference fit. The depth of the groove 4 is 1 / 3-2 / 3 of the height of the inner lip 3, which can maintain the strength of the inner lip.

Embodiment 3

[0014] Embodiment 3 of the present invention: automobile brake rubber cup, make rubber bowl 1, have outer lip 2 and inner lip 3 on bowl 1, make groove 4 on inner lip 3, groove The section of 4 is trapezoidal, and the depth of the groove 4 is 1 / 2 of the height of the inner lip 3 .

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PUM

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Abstract

The invention discloses a rubber cup of an automobile brake. The rubber cup of the automobile brake comprises a cup body (1) and is characterized in that the cup body (1) is provided with an outer lip (2) and an inner lip (3), and the inner lip (3) is provided with a groove (4). According to the rubber cup of the automobile brake, the inner lip is provided with the groove, so the elasticity of the end of the inner lip can be lowered, and interference fit formed after the rubber cup is installed in a piston is mitigated. Compared with an existing cup, the rate of finished products can be increased by 10-20%. The rubber cup of the automobile brake has the advantages of being capable of mitigating the interference fit, good in sealing performance and not prone to damage.

Description

technical field [0001] The invention relates to an automobile brake rubber cup, which belongs to the technical field of rubber cups. Background technique [0002] Rubber cups mainly refer to rubber seals used in hydraulic brake systems, clutch control systems, and booster pump systems of cars, light vehicles, vans, and some trucks to transmit pressure and seal. The cup must have a certain degree of elasticity, compression deformation and wear resistance, so as to ensure that the cup has a certain return ability and sealing ability to transmit hydraulic pressure during use. If the inner lip of the existing leather cup is poorly made and the process precision control is not in place, the thickness of the inner lip will not be easy to maintain. If the thickness of the inner lip is too thin, the wear resistance and sealing performance of the cup will be reduced, but the inner lip If the thickness of the mouth is too thick, the cup is easy to interfere with when assembling, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/10F16J15/32F16J15/3232F16J15/3284
Inventor 沈文宝董金奎
Owner HUZHOU QIANJIN BAOYUN MACHINERY CASTING
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