Lever valve

A technology of lever valves and levers, which is applied to valve details, multi-way valves, valve devices, etc., can solve problems such as easy-to-break valve cables, and achieve the effect of smooth movement and reduced frictional resistance

Active Publication Date: 2013-11-27
ZHEJIANG RUILI AIR COMPRESSOR EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The Chinese Utility Model Patent No. ZL87213543.8 discloses a sequence-activated bagpipe emergency braking valve; the braking valve consists of a valve body, a valve, a valve return spring, and a valve driving device. When the valve body is working, after the shunter pulls the valve cable, he first starts the siren to warn pedestrians and vehicles to give way, but when the valve body is activated by the valve cable for emergency braking, it is easy to break if the force is too strong The valve pull wire is easy to cause accidents

Method used

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Embodiment Construction

[0062] A preferred embodiment of the present invention will be further elaborated below in conjunction with accompanying drawing;

[0063] Such as Figure 1-3 The shown lever valve includes a valve body 20 with a valve cavity, an input port 22 , an output port 23 , and an exhaust port 24 that communicate with each other through the valve cavity. The valve body 20 is a valve body with a three-way structure. The valve core placed in the valve cavity; the valve core includes a push rod 14 , a valve seat 15 , a screw sleeve 12 and a valve vulcanization assembly 16 . The top of the valve body 20 is fixedly equipped with a lever bracket 11, specifically: the lever bracket 11 is fixedly hinged with one end of the lever 10 through a cylindrical pin 21, and the other end is hinged with a runner 3 through a cylindrical pin 4; The push rod 10 of the valve core placed in the valve cavity is in sliding contact. The function of opening or blocking the valve body 20 is realized by the cont...

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Abstract

The invention relates to a lever valve. The lever valve comprises a valve body (20) with a valve cavity. An input port (22), an output port (23) and an exhaust port (24) are communicated through the valve cavity, and a valve element is arranged in the valve cavity. The valve element comprises a push rod (14), a valve seat (15), a thread insert (12) and a valve vulcanization component (16). A lever support (11) is fixed at the top end of the valve body (20) and fixedly hinged to one end of a lever (10) through a cylindrical pin (21), and the other end of the lever (10) is hinged to a rotation wheel (3) through a cylindrical pin (4). The lever (10) is in slide contact with the lever (10) of the valve element. A quick-action switch is mounted on the valve body and can output corresponding electric signals according to the state of the lever, so that the working state of the valve can be known conveniently; the motion of the valve element is stable.

Description

technical field [0001] The present invention relates to the technical field of air supply valves, in particular to an air supply valve, that is, a lever valve, which is especially suitable for bagpipe systems of rail vehicles. Background technique [0002] The Chinese Utility Model Patent No. ZL87213543.8 discloses a sequence-activated bagpipe emergency braking valve; the braking valve consists of a valve body, a valve, a valve return spring, and a valve driving device. When the valve body is working, after the shunter pulls the valve cable, he first starts the siren to warn pedestrians and vehicles to give way, but when the valve body is activated by the valve cable for emergency braking, it is easy to break if the force is too strong The valve pull wire is easy to cause accidents. Contents of the invention [0003] In order to overcome the above defects and deficiencies in the prior art, the present invention provides a lever valve with rapid switching, good fatigue lif...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T15/04F16K11/20F16K31/62F16K27/02F16K37/00
Inventor 李庆宣李传武张玄谭小艳
Owner ZHEJIANG RUILI AIR COMPRESSOR EQUIP CO LTD
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