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Brake booster of commercial vehicle

A booster and commercial vehicle technology, applied in brakes, vehicle parts, transportation and packaging, etc., can solve the problems of inconvenient control, no automatic reset function, poor boosting effect, etc., to achieve convenient control, good boosting effect, Highly stable effect

Inactive Publication Date: 2017-02-15
QINGYUAN HAOHE INSTR DESIGN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the existing commercial vehicle booster has a poor boosting effect, does not have an automatic reset function, and is inconvenient to control

Method used

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  • Brake booster of commercial vehicle

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Embodiment Construction

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

[0019] A brake booster for a commercial vehicle, comprising a housing 1, a check valve 2 is installed on the top of the housing 1, a shaft seat 3 is installed on the inner side of the middle part of the housing 1, and a brake is installed in the shaft seat 3. Push rod 4, the end of the brake push rod 4 is provided with a rubber disc 5, one end of the rubber disc 5 is connected to an air valve 6, and the air valve 6 is specifically a composite exhaust valve, which is a barrel-shaped valve body, and its interior It mainly contains a set of stainless steel balls, rods (FLOAT and plugs.

[0020] The brake push rod 4 is movably connected with the shaft seat 3, a diaphragm 7 is arranged inside the housing 1, and the top of the diaphragm 7 is fixed to the housing 1 by screws 8, and a...

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PUM

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Abstract

The invention provides a brake booster of a commercial vehicle. The brake booster of the commercial vehicle comprises a shell. A one-way valve is installed on the upper portion of the shell. An axle seat is installed on the inner side of the middle of the shell. A brake push rod is arranged in the axle seat. A rubber disc is arranged at the tail end of the brake push rod. One end of the rubber disc is connected with an air valve. The brake push rod is movably connected with the axle seat. A diaphragm is arranged on the inner side of the shell. The top of the diaphragm is fixed to the shell through a screw. A baffle in a buckling shape is arranged on the inner side of the diaphragm. A first reset spring is installed between the axle seat and the baffle. A valve seat is arranged at one end of the baffle. A vacuum valve is installed in the valve seat and connected with the air valve. A booster push rod is installed in the vacuum valve. One end of the booster push rod penetrates through the shell. A second reset spring is installed between the booster push rod and the vacuum valve. The brake booster of the commercial vehicle is good in boosting effect, has an automatic reset function, and is convenient to control.

Description

technical field [0001] The invention relates to a brake booster for a commercial vehicle. Background technique [0002] The booster is a control device in a commercial vehicle with the help of compressed air, high-pressure oil, etc., to achieve the purpose of lightness of use. Due to the limited manpower in the operation of large vehicles, there are many "assist" devices (the scientific name is "servo mechanism"). Taking the power-assisted servo braking system as an example, its feature is that the control device of the servo system is directly controlled by the brake pedal mechanism, and its output force acts on the hydraulic master cylinder, which together with the pedal force pressurizes the oil in the master cylinder. This is The difference from the "supercharged" servo brake system - the "supercharged" servo brake system is characterized by the brake pedal mechanism controlling the brake master cylinder, the hydraulic pressure output from the master cylinder is transmi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T13/52B60T13/569B60T13/57
CPCB60T13/52B60T13/569B60T13/57
Inventor 王晓明
Owner QINGYUAN HAOHE INSTR DESIGN CO LTD