Spring type emergency cut-off valve

A cut-off valve, emergency technology, applied in the direction of valve lift, valve details, valve devices, etc., can solve the problems of complicated installation and maintenance, easy leakage, poor sealing performance, etc., to achieve convenient installation and maintenance, good sealing performance, and design reasonable effect

Inactive Publication Date: 2016-01-27
杨永坚
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional shut-off valve has a complex structure, complicated installation and maintenance, slow closing, poor sealing performance, and easy leakage

Method used

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  • Spring type emergency cut-off valve

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Embodiment Construction

[0013] The present invention will now be further described in conjunction with the accompanying drawings and preferred embodiments. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0014] Such as figure 1 A spring-type emergency shut-off valve shown includes a valve body 1, a lower valve cover 2 installed below the valve body 1 and an upper valve cover 4 installed above the valve body 1, and a top cover 9 is connected above the upper valve cover 4 The valve body 1 has a built-in valve stem 6, and the valve stem 6 is provided with a lower spring 3 near the lower valve cover 2, one end of the lower spring 3 is fixed on the lower valve cover 2, and the other end of the lower spring 3 is connected with a lower valve plate 8; The rod 6 is provided with an upper spring 5 near the upper valve cover 4, one end of the u...

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Abstract

The invention relates to the technical field of safety valves, in particular to a spring type emergency cut-off valve. The spring type emergency cut-off valve comprises a valve body, a lower valve deck and an upper valve deck. A top cover is connected to the upper portion of the upper valve deck. A valve rod is arranged in the valve body. The portion, close to the lower valve deck, of the valve rod is sleeved with a lower spring. One end of the lower spring is fixed to the lower valve deck, and the other end of the lower spring is connected with a lower valve plate. The portion, close to the upper valve deck, of the valve rod is sleeved with an upper spring. One end of the upper spring is fixed to the upper valve deck, and the other end of the upper spring is connected with an upper valve plate. A pilot type connecting rod is arranged inside the top cover. An electromagnetic is arranged on the upper valve deck. The spring type emergency cut-off valve is reasonable in design and quite convenient to install and maintain, under the mutual cooperation of the upper spring and the lower spring as well as the mutual cooperation of the upper valve plate and the lower valve plate, the spring type emergency cut-off valve can be closed rapidly once power is off, and meanwhile the sealing performance is good.

Description

technical field [0001] The invention relates to the technical field of safety valves, in particular to a spring-type emergency cut-off valve with quick closing and good sealing performance. Background technique [0002] The emergency cut-off valve is to close the valve or open the valve in an emergency when the power is cut off. Its working principle is: after the electric spring emergency cut-off valve is energized, the coil spring in the motor electric actuator transmits the torque force to the coil spring On the other hand, when the power is off, the coil spring releases the torque force stored inside, driving the valve to close or open quickly. The traditional shut-off valve has complex structure, complex installation and maintenance, slow closing, poor sealing performance, and easy leakage. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art and provide a spring-type emergency...

Claims

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Application Information

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IPC IPC(8): F16K31/10F16K1/32F16K1/34
Inventor 杨永坚
Owner 杨永坚
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