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Leather cup of automobile brake pump

A technology for automobile brake pumps and leather cups, which is applied in the direction of engine seals, engine components, mechanical equipment, etc., can solve the problems of unchanging installation, easy damage, and short service life, and achieve weight reduction, prolong service life, and reduce materials Effect

Inactive Publication Date: 2015-03-11
LIUZHOU ERHE AUTO PART
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The problem to be solved by the present invention is to provide an automobile brake pump cup to solve the problems that the existing automobile brake pump cup is installed unchanged, easily damaged, and has a short service life.

Method used

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  • Leather cup of automobile brake pump
  • Leather cup of automobile brake pump

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Embodiment Construction

[0010] Embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings:

[0011] Such as figure 1 , figure 2 The automobile brake pump leather bowl shown includes a bowl body. The edge 2 of the bowl body is bent upwards. The cross-section of 4 is semicircular, and there are 6 pits 4 at the bottom of the bowl, which are evenly distributed on the bottom 1 of the bowl inside the edge 2 of the bowl, and a hole 5 is opened in the middle of the bottom 1 of the bowl, and a concave hole at the bottom of the bowl is provided. Pit 4, a plurality of semicircular bowl bottom pits 4 are one of the best shapes to reduce stress concentration, and can effectively solve the damage problem when the cup is squeezed and bent. A groove 3 is provided on the upper surface of the edge 2 of the bowl. The cross-section of the groove 3 is "V" shape, which reduces the chance of stress concentration at the easily damaged part of the cup during i...

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Abstract

The invention discloses a leather cup of an automobile brake pump and relates to the technical field of automobile part manufacturing. The leather cup comprises a cup body, wherein the edge of the cup body is bent upwards; a through hole is formed in the middle of the bottom of the cup body; a plurality of cup bottom pits are formed in the bottom of the cup body; the cross section of each cup bottom pit is semicircular; a groove is formed in the upper end surface of the edge of the cup body. Compared with the prior art, the leather cup of the automobile brake pump has the advantage that the problems that an existing leather cup of the automobile brake pump is inconvenient to mount, easy to break and short in service life can be solved.

Description

technical field [0001] The invention relates to the technical field of auto parts manufacturing, in particular to a rubber cup installed on an auto brake pump. Background technique [0002] The existing rubber cup on the master cylinder of the automobile brake, especially the rubber cup installed on the automobile brake pump, has a structure including a disc-shaped bowl, and the edge of the bowl is bent upwards. Because the leather cup needs very high elasticity, compression deformation and wear resistance, the leather cup is made thicker, which makes the edge of the bowl body very inconvenient and easy to damage during installation. The special treatment is easy to install, but the process is complex and the processing cost is high; in the process of use, the deformation of the cup is also very limited during the continuous extrusion process, resulting in excessive stress concentration in some positions and easy damage, and a short service life. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/32F16J15/3284
CPCF16J15/00
Inventor 马深同
Owner LIUZHOU ERHE AUTO PART
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