Self-closing fireproof valve for gas fire protection

A fire damper and fire-fighting technology, applied in valve details, safety valves, balance valves, etc., can solve problems such as difficulty in securing magnetic cores and inability to safely realize over-temperature protection

Inactive Publication Date: 2011-07-13
廖新桃
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This over-temperature protection structure may also cause deformation of the hot melt adhesive, but the viscous effect makes the magnetic core controller still unable ...

Method used

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  • Self-closing fireproof valve for gas fire protection
  • Self-closing fireproof valve for gas fire protection
  • Self-closing fireproof valve for gas fire protection

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] like figure 1 Shown, is the structural representation of the present invention.

[0017] like figure 1 As shown, the valve of the present invention includes a valve casing 1 made of non-magnetic material, and a valve joint 2 is screwed to the gas inlet end of the valve casing 1 . A magnetic core controller 5 is connected outside the valve housing.

[0018] According to the air flow direction, a positioning ring 12, a positioning spring 9, a magnetic core 8, a sealing sheet 6 and a valve opening spring 7 are sequentially arranged in the valve chamber. The sealing sheet 6 is fixedly connected to the valve opening spring 7 . The sealing sheet 6 is made of materials such as rubber, and can be designed into a cone shape to reduce the volume and increase the fluid volume in the valve chamber. The magnetic core 8 is a square column, and the four edges are movably matched with the inner wall of the valve cavity, so that the magnetic core 8 can slide smoothly in the valve ca...

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PUM

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Abstract

The invention discloses a self-closing fireproof valve for gas fire protection. The fireproof valve comprises a valve shell made of a non-magnetized material, wherein a magnetic core controller capable of sliding along the outer wall of the valve shell is arranged outside the valve shell; a magnetic core and a sealing element which is used for sealing a gas outlet are arranged in the cavity of the valve shell; one end of the sealing element is adjacent to the magnetic core, and the other end of the sealing element is connected to a valve opening spring; an overheat protector is arranged outside the valve shell and is provided with a shell; the shell is provided with a sealed end and an open end; a compression spring alloy welding block is welded and fixed in the shell; and the magnetic core controller is statically fixed at the open end of the protector shell. In the fireproof valve, an overheat protection structure is improved; and the fireproof valve has a simple manufacturing process, a reliable overheat protection property and extremely high safety and gas tightness.

Description

technical field [0001] The invention relates to a gas valve, in particular to a permanent magnet drive valve with an over-temperature protection function. Background technique [0002] There is a permanent magnet drive valve with overpressure and overtemperature protection. The valve casing of the valve is made of non-magnetic material. The outer casing of the valve casing is provided with a magnetic coil as a magnetic core controller. The inner cavity of the valve casing is provided with a magnetic core and a sealing sheet. The inner chamber slides to realize the opening and closing of the valve. The outer wall of the valve casing of the valve is equipped with an over-temperature protection device, which includes a protector shell, an over-temperature protection spring and a temperature-limiting meson, and the temperature-limiting meson compresses and fixes the over-temperature protection spring on the over-temperature protector shell . When the valve is in a high-temper...

Claims

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Application Information

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IPC IPC(8): F16K17/38F16K31/08F16K27/02
Inventor 廖新桃
Owner 廖新桃
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