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Safety valve

A safety valve and spool technology, applied in the field of safety valves, can solve problems such as low reseating pressure, tremors, energy waste, etc., achieve the effect of reducing valve volume and weight, preventing safety accidents, and realizing safety protection functions

Inactive Publication Date: 2019-05-10
HUBEI SANJIANG AEROSPACE HONGFENG CONTROL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current high temperature and high pressure safety valve withstands low temperature and poor reliability
Traditional high-temperature and high-pressure safety valves often have unfavorable factors such as tremors, frequency jumps, and low reseating pressure, resulting in waste of energy

Method used

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Embodiment Construction

[0015] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0016] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0017] Such as figure 1 As shown, a safety valve provided according to the present invention includes: a valve body 1, a base 2, a valve core 3, a spring 4, a valve seat 5, an air inlet joint 6 and a sealing ring 7; the valve body 1...

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Abstract

The invention discloses a safety valve. The safety valve comprises a valve body, a base, a valve element, a spring, a valve seat, an air inlet joint and a sealing ring, wherein the opening end of thebase is in threaded connection with the valve body to form an inner cavity, a step-shaped inner cavity is formed in the base, the valve element is inserted into the inner cavity formed by the valve body and the base, the valve element and the sealing end of the base are sealed through the sealing ring, the spring is embedded in an inner cavity between the small-diameter end of the valve element and the opening end of the base, the valve seat is embedded into the valve body in a sleeved mode and is positioned through the step-shaped structure, a double-cone seal is adopted at the edge contact position between the valve seat and the large-diameter end of the valve element, the air inlet joint is connected into the edge of a port of the valve body in a threaded mode, at least one air outlet is formed in the valve body, the valve element pushes the spring to compress under the action of pressure, and a medium is discharged from the air outlets. According to the technical scheme, the safetyprotection function of a pressure system is achieved, safety accidents caused by overpressure of the system are prevented, and the effects of being safe and reliable are achieved.

Description

technical field [0001] The invention relates to the technical field of valves, in particular to a safety valve. Background technique [0002] With the development of high temperature and high pressure systems, relevant safety protection measures are very important. As an important protection device of the system, safety valves have been widely used in high temperature and high pressure systems. The current high-temperature and high-pressure safety valves withstand low temperatures and have poor reliability. Traditional high-temperature and high-pressure safety valves often have unfavorable factors such as tremors, frequency jumps, and low reseating pressure, resulting in waste of energy. Contents of the invention [0003] Aiming at at least one of the above problems, the present invention provides a safety valve. By adopting a balanced safety valve design inside the product, the valve core bears the action of the medium pressure in both the upper and lower directions at t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K17/06F16K17/164F16K39/02F16K27/02
Inventor 潘伟张瑞超
Owner HUBEI SANJIANG AEROSPACE HONGFENG CONTROL
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