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A built-in diaphragm and quick release valve for a quick release valve for automobiles

A diaphragm and automobile technology, applied in the direction of control valves and air release valves, vehicle parts, brake components, etc., can solve the problems of large space occupation, high cost, and inability to reduce howling, etc., and achieve the effect of suppressing high-frequency vibrations

Active Publication Date: 2016-04-20
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such technology is useful for reducing the exhaust noise of the quick-release valve, but it can only reduce the airflow noise generated when the exhaust port is exhausted when the brake is released, and cannot reduce the high-frequency vibration of the diaphragm 4 during braking. Howling
Moreover, after the shock absorbing equipment is installed, there are still problems such as taking up a lot of space and high cost.

Method used

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  • A built-in diaphragm and quick release valve for a quick release valve for automobiles
  • A built-in diaphragm and quick release valve for a quick release valve for automobiles
  • A built-in diaphragm and quick release valve for a quick release valve for automobiles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Such as Figure 4 to Figure 7 As shown, the built-in diaphragm of the quick-release valve is made of rubber or polymer material or polyester material, and includes a diaphragm body 101, and a first boss structure 111 is arranged on the upper surface of the diaphragm body 101; The center of the first boss structure coincides with the center of the diaphragm body;

[0048] On the upper surface of the diaphragm body 101, from the circumscribed circle of the first boss structure 111 to the edge of the diaphragm body, there are at least two grooves 112 extending radially from the center of the diaphragm body; The center of the diaphragm body is symmetrical. The depth of the groove gradually decreases from the circumscribed circle of the first boss structure to the edge of the diaphragm body. The end of the groove near the edge of the diaphragm body is arranged within the outer diameter of the air inlet. With such a structural setting, when braking, part of the high-pressu...

Embodiment 2

[0051] The built-in diaphragm of the quick-release valve is made of rubber or polymer material or polyester material, and includes a diaphragm body, and a first boss structure is arranged on the upper surface of the diaphragm body; the first boss structure The center coincides with the center of the diaphragm body;

[0052] On the upper surface of the diaphragm body, from the circumscribed circle of the first boss structure to the edge of the diaphragm body, there are at least two grooves extending radially from the center of the diaphragm body; center of symmetry. The depth of the groove gradually decreases from the circumscribed circle of the first boss structure to the edge of the diaphragm body. The end of the groove near the edge of the diaphragm body is arranged within the outer diameter of the air inlet. With such a structure, when braking, part of the high-pressure gas from the air inlet will be guided through the groove to increase the flow rate, so that the passage...

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Abstract

The invention relates to an automotive quick release valve and a built-in diaphragm thereof. The built-in diaphragm comprises a diaphragm body, the upper surface of the diaphragm body is provided with a first boss structure, the center of the first boss structure is superposed with the center of the diaphragm body, and at least two grooves extending along the radial direction from the center of the diaphragm body are arranged in the upper surface of the diaphragm body from the circumcircle of the first boss structure to the edge of the diaphragm body. High-pressure air entering from an air inlet is partially guided by the grooves to increase flow velocity, and passing time of the air of rated volume is shortened, so that frequency is reduced and noise reduction is facilitated.

Description

technical field [0001] The invention belongs to the field of automobile brakes, and specifically refers to a built-in diaphragm and a quick release valve used in a pneumatic brake vehicle. Background technique [0002] The quick release valve is used in truck pneumatic brake models, and it is generally arranged in the brake pipeline close to the brake chamber, which plays the role of quick exhaust when the brake is released, so as to quickly release the brake. [0003] The structure of the quick release valve is as follows: figure 1 As shown, when assembling, stick the deflation valve 5 on the lower casing 2, place the sealing ring 3 in the pre-opened sealing groove of the upper casing 1, place the diaphragm 4 on the deflation valve 5 and use it four times. The bolt and the spring washer 6 pass through the bolt 7 and tightened. The above-mentioned assembly requires the centers of the two parts to be aligned. [0004] When the car brakes, the compressed air from the brake v...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T15/52
Inventor 陈伟刘云飞
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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