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An expansion valve for fire protection

An expansion-type, fire-fighting technology, applied in the direction of diaphragm valves, valve devices, valve details, etc., can solve the problems of poor sealing effect of valves, achieve the effect of ensuring sealing effect, avoiding rotational friction, and improving liquid flow

Active Publication Date: 2021-10-08
江苏湃森科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The general structure of existing fire-fighting valves includes a valve body, a valve core, and a connecting rod. The valve core is installed inside the valve body. The valve core rotates and rubs against the valve body for a long time, which makes the sealing effect of the valve worse

Method used

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  • An expansion valve for fire protection
  • An expansion valve for fire protection
  • An expansion valve for fire protection

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Experimental program
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Embodiment Construction

[0024] The content of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0025] Such as Figures 1 to 5 As shown, an expansion type fire-fighting valve includes a valve body 1, a flange ring body 2, a sleeve rod 3, a sliding closure assembly 4, and an expansion adjustment mechanism 7; Blue ring body 2; the inside of the valve body 1 is provided with a through cavity 11 that runs through both ends; the sleeve rod 3 is installed inside the through cavity 11; the other side of the through cavity 11 is installed The sliding closure assembly 4; the sliding closure assembly 4 includes a telescopic ring body 41, a moving arc-shaped plate body 42, an arc-shaped sealing sheet 43, a radial threading rod 44, an axial driving screw 45, and a driving internal thread cylinder 46, Elastic closure membrane 47 . The telescopic ring body 41 is installed on the other side inside the cavity 11; the outer end of the telescopic ring bo...

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PUM

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Abstract

The invention discloses an expansion type fire-fighting valve, which comprises a valve body, a flange ring body, a socket rod, a sliding closure assembly, and an expansion adjustment mechanism; The connecting teeth move up and down, the clamping teeth drive the inner threaded barrel to move up and down, the inner threaded barrel drives the axial drive screw to move up and down, the axial drive screw drives the radial piercing rod and the moving arc plate to move up and down, and the moving arc The plate body drives the arc-shaped sealing sheet to move up and down, so that the adjustable control makes the two arc-shaped sealing sheets seal and butt to form a sealing ring body, and the sealing ring body and the sleeve rod are socketed and sealed, thus realizing two arc-shaped sealing sheets Radial expansion improves fluid flow.

Description

technical field [0001] The invention relates to an expansion valve for fire protection. Background technique [0002] The valve is a pipeline accessory used to open and close the pipeline, control the flow direction, adjust and control the parameters of the conveying medium. According to its function, it can be divided into shut-off valve, check valve, regulating valve and so on. The valve is a control component in the fluid delivery system, which has functions such as cut-off, adjustment, flow diversion, reverse flow prevention, pressure stabilization, flow diversion or overflow pressure relief. Valves used in fluid control systems, from the simplest globe valves to various valves used in extremely complex automatic control systems. Valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. [0003] The general structure of existing fire-fighting valves includes a val...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K7/06F16K31/50
CPCF16K7/06F16K31/50
Inventor 陈建山曹素萍
Owner 江苏湃森科技有限公司