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High-temperature-resistant gas one-way valve

A gas one-way valve, high-temperature resistant technology, applied in the field of valves, can solve problems such as equipment failure production accidents, affecting the interests and safety of enterprises, and non-functioning one-way valves, achieving good sealing and heat insulation performance, improving service life, and facilitating Control the effect of the application

Pending Publication Date: 2021-09-07
HANZHONG STEEL LTDRP OF SHAANXI STEEL GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The high-temperature medium has a great influence on the spring. When the spring works in a high-temperature environment for a long time, its elastic force will accelerate attenuation and eventually lose its elasticity, which will shorten the service life of the one-way valve, cause the one-way valve to lose its function, and cause equipment failure or production failure. Accidents that affect corporate interests and safety

Method used

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  • High-temperature-resistant gas one-way valve

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Embodiment Construction

[0029] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0030] A kind of high temperature resistant gas one-way valve of the present invention, as figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Image 6 with Figure 7 As shown, the valve body 1 is included, the bottom end of the valve body 1 is provided with a first cavity 11, the side wall of the valve body 1 is provided with a second cavity 12, the first cavity 11 communicates with the second cavity 12, and the first cavity A valve cover 2 is installed on the top of the cavity 11, the first cavity 11 is provided with a stepped hole 111, the stepped hole 111 is located below the second cavity 12, and a tapered sealing surface 112 is ground on the stepped hole 111; the sealing valve body 1 A spool assembly 3 is provided, and the spool assembly 3 is located in the first cavity 11; a compression assembly 4 is installed on the valve ...

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Abstract

The invention discloses a high-temperature-resistant gas one-way valve. The high-temperature-resistant gas one-way valve is characterized by comprising a valve body, a first cavity is formed in the bottom end of the valve body, a second cavity is formed in the side wall of the valve body, the first cavity communicates with the second cavity, a valve deck is installed at the top end of the first cavity, a stepped hole is formed in the first cavity and located below the second cavity, a conical sealing surface is ground on the stepped hole, a sealing valve body is provided with a valve element assembly (3), the valve element assembly is located in the first cavity, a pressing assembly is installed on the valve deck and used for fixing the valve element assembly, and a sealing assembly is installed on the valve element assembly. According to the high-temperature-resistant gas one-way valve, the sealing and heat-insulating properties are good.

Description

technical field [0001] The invention belongs to the technical field of valves, and relates to a high-temperature-resistant gas check valve. Background technique [0002] The one-way valve is a directional control valve in which the air flow can only flow in one direction and cannot flow in the opposite direction. The compressed gas medium enters from the inlet, and the valve port of the one-way valve is opened by overcoming the spring force and friction force, and the gas medium flows from the inlet to the valve body. When there is no compressed gas medium at the inlet, the valve port is in a closed state under the action of the spring force and the residual air force of the valve body cavity. [0003] Currently on the market, the spring is assembled in the flow channel of the valve, and its working environment is the medium. This simple and compact structure is very suitable for conventional industrial control systems, but not suitable for high-temperature media. The high-...

Claims

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Application Information

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IPC IPC(8): F16K1/00F16K1/32F16K1/38F16K15/06F16K27/02F16K27/08F16K41/02F16K49/00F16L59/16
CPCF16K15/063F16K1/00F16K1/32F16K1/38F16K27/0209F16K27/0254F16K41/02F16K49/00F16K27/08F16L59/16
Inventor 曹振民段少平皇甫江涛吕磊高海旺
Owner HANZHONG STEEL LTDRP OF SHAANXI STEEL GRP
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