Valve element stationary type PE fuel gas plug valve

A gas cock valve, fixed technology, applied in the direction of cocks including cut-off devices, valve devices, engine components, etc., can solve the problems of pressure torque and excessive pressure on the sealing seat, and achieve stable performance and simple structure

Inactive Publication Date: 2013-10-23
LIANSU TECH DEV GUIYANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

like image 3 Shown is a floating spool plug valve, the floating spool plug

Method used

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  • Valve element stationary type PE fuel gas plug valve
  • Valve element stationary type PE fuel gas plug valve
  • Valve element stationary type PE fuel gas plug valve

Examples

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Embodiment Construction

[0016] The accompanying drawings are for illustrative purposes only, and should not be construed as limitations on this patent; in order to better illustrate this embodiment, certain components in the accompanying drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art It is understandable that some well-known structures and descriptions thereof may be omitted in the drawings. The positional relationship described in the drawings is for illustrative purposes only, and should not be construed as a limitation on this patent.

[0017] like Figure 4 As shown in -7, a PE gas plug valve with a fixed valve core, including a valve core base 4, a valve body base 5, a valve core 1 set on the valve core base 4, and a valve body 3 set on the valve body base 5 1. The valve stem 6 located in the valve body 3, which also includes a sealing seat 10 and a support seat 9, the sealing seat 10 and the support seat 9 are vu...

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PUM

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Abstract

The invention relates to the technical field of pipelines, particularly to a valve element stationary type PE fuel gas plug valve which comprises a valve element base I, a valve element base II, a valve element arranged on the valve element base I, a valve body arranged on the valve element base II, a valve rod arranged in the valve body, a sealing socket and a supporting seat, wherein the sealing socket and the supporting seat form an assembling unit in a vulcanized manner, the assembling unit is arranged on the valve body, and an avoiding groove is formed in the valve element. The valve element stationary type PE fuel gas plug valve is simple in structure and stable in performance, and can effectively prevent the sealing socket from being pressed for a long time and reduce start-and-stop torque of the valve body.

Description

technical field [0001] The invention relates to the technical field of pipelines, in particular to a PE gas cock valve with a fixed spool. Background technique [0002] At present, most of the existing PE gas valves in the market (hereinafter referred to as PE gas valves) are mostly floating ball valves with structures such as figure 1 As shown, the floating ball ball valve causes the ball core to be under long-term pressure on the rubber sealing seat, and the sealing seat may be fatigued and lose its original elasticity, so the ball valve is prone to internal leakage, which is more prominent at low pressure. The torque of the floating ball valve will be larger than that of the fixed plug valve and the fixed ball valve, especially the torque of the large-sized valve body is larger, which is easy to twist the valve stem and accelerate the fatigue of the sealing seat. like figure 2 Shown is a fixed ball ball valve, its structure is complicated, and it is generally not used ...

Claims

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Application Information

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IPC IPC(8): F16K5/04F16K5/08
Inventor 何永胜闫志阳
Owner LIANSU TECH DEV GUIYANG
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