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Angle cock

A technology of angled plug and stop valve, which is applied to pneumatic brakes, railway car body parts, transportation and packaging, etc., can solve the problems of personal injury of operators and achieve the effect of ensuring personal safety

Inactive Publication Date: 2009-04-22
CRRC QIQIHAR ROLLING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In summary, it can be seen that when the hose 1a is disassembled, the angled plug 2a needs to be closed, and there is pressurized air in the hose 1a, so when the hose 1a is disassembled, the sudden release of the pressurized air will cause the hose 1a to swing And hit the operator, can cause personal injury to the operator, this problem is the problem that the present invention focuses on solving

Method used

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Embodiment Construction

[0036] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0037] refer to figure 2 , figure 2 It is a structural schematic diagram of a specific embodiment of an angle plug door provided by the present invention.

[0038] Such as figure 2 As shown, the angled plug provided in this embodiment includes a valve seat 1 , a ball core 2 , a gasket 3 , an eccentric shaft 4 , a stop valve 5 , a handle 6 , a shaft sleeve 7 and a valve stop sleeve 8 . The ball core 2 is installed in the axial through hole of the valve seat 1, the sealing gasket 3 is in contact with the upper and lower ends of the ball core 2, the shaft sleeve 7 is fixed on the side wall of the valve seat 1, and the eccentric shaft 4 is installed on the shaft sleeve 7 In the shaft hole, one end of the eccentric shaft...

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PUM

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Abstract

The invention discloses an angle cock. The angle cock comprises a valve seat with an axial through cavity, a ball core arranged in the through cavity of the valve seat, a rotating shaft fixedly connected with the ball core and a shaft sleeve fixedly connected with the sidewall of the valve seat, wherein the rotating shaft is arranged in the shaft sleeve, can drive the ball core to rotate in the valve seat so as to open or close the angle cock; one end of the valve seat is provided with a main pipe port used for connecting a main pipe, while the other end is provided with a soft pipe port used for connecting a soft pipe, the angle cock also comprises a stop valve, the stop valve is arranged close to the soft pipe port of the valve seat, and is communicated with an axial through hole of the soft pipe port; when the angle cock is closed, the stop valve is opened, and pressure air in the soft pipe can be exhausted through the stop valve; and when the angle cock is opened, the stop valve is closed, and the soft pipe is communicated with the main pipe. Personnel safety of operators can be ensured during disassembling the soft pipe.

Description

technical field [0001] The invention relates to a valve in an air pressure system, in particular to an angled cock in an air brake device of a railway vehicle. Background technique [0002] In order to ensure the driving safety of railway vehicles, railway vehicles usually use air brake devices to implement braking. The air brake devices of railway vehicles rely on pressure air as the driving force for braking, and use the change of pressure air as the braking effect of railway vehicles to generate and Released control signal. [0003] A railway vehicle has a line running throughout the vehicle called the main pipe, which is generated by the locomotive providing traction power and delivered to the brakes of each car through the main pipe device. The main pipes between each section of a railway vehicle shall be connected so as to be continuous from front to rear. For each section of railway vehicle, the piping shall include hoses at both ends, steel main pipes in the middle...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B61H11/10
Inventor 陆正涛
Owner CRRC QIQIHAR ROLLING CO LTD
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