Spring type safety valve with high service life

A spring-type, safety valve technology, applied in safety valves, balance valves, valve devices, etc., to avoid excessive compression, improve service life, and reduce impact strength

Active Publication Date: 2019-11-01
广西北部湾粮油技术研究有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a spring-type safety valve with high service life, which has the advantages of protecting the valve core and spring during the pressure relief process, and solves the technical problems mentioned in the background technology

Method used

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  • Spring type safety valve with high service life
  • Spring type safety valve with high service life
  • Spring type safety valve with high service life

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Embodiment Construction

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

[0017] see Figure 1-2 , a spring-type safety valve with high service life, including a valve body 1, a valve core 2, a valve stem 3, a sealing sleeve 4, and a spring 5. The bottom of the inner cavity of the valve body 1 is provided with a valve core 2, which is used for Block the inlet and outlet of the valve body 1, the middle part of the top of the valve core 2 is fixedly connected with the valve stem 3, the valve stem 3 is made of insulating material, the ...

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PUM

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Abstract

The invention relates to the field of valve devices, and discloses a spring type safety valve with a high service life. The valve comprises a valve body, a valve element, a valve rod, a sealing sleeveand a spring, wherein the valve element is arranged at the bottom of an inner cavity of the valve body, the valve rod is fixedly connected to the middle of the top end of the valve element, the sealing sleeve is arranged in the middle of the inner cavity of the valve body, a spring is arranged between the valve element and the sealing sleeve in a sleeving manner, a magnetic plate is fixedly arranged on the valve rod in a sleeving manner, a sealing plate is fixedly arranged at the top of the inner cavity of the valve body in a sleeving manner, an electromagnet is fixedly arranged at the bottomof the sealing plate, and an iron plate is fixedly connected to the bottom of the electromagnet. According to the spring type safety valve with the high service life, the magnetic plate, the iron plate, the electromagnet, an iron bar and a magnetic field box are designed, magnetic induction lines in the magnetic field box are cut by the iron bar when pressure relief is finished, so that the electromagnet is electrified to generate attraction force to the magnetic plate, moving down of the valve element is effectively buffered, the collision strength of the attached portions of the valve element and the valve body is reduced, and the service life of a safety valve is prolonged.

Description

technical field [0001] The invention relates to the field of valve equipment, in particular to a spring type safety valve with long service life. Background technique [0002] The spring type safety valve is automatically opened and closed according to the working pressure of the pressure system. It is generally installed on the equipment or pipeline in the closed Xiting to protect the safety of the system. When the pressure in the equipment or pipeline exceeds the pressure set by the safety valve, it will automatically open and release the pressure. Ensure that the medium pressure in equipment and pipelines is below the set pressure, and protect the normal operation of equipment and pipelines. [0003] The existing spring safety valve principle is as follows (refer to image 3 ): When the inlet pressure at the bottom of the valve body (1) is greater than the spring force value of the spring (5), under the action of the inlet pressure at the bottom of the valve body (1), the...

Claims

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Application Information

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IPC IPC(8): F16K17/04
CPCF16K17/0413F16K17/0433
Inventor 陈叶源
Owner 广西北部湾粮油技术研究有限公司
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