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A normally closed selector valve device for a fire extinguisher

A technology for selecting valves and fire extinguishers, applied in valve devices, valve operation/release devices, lift valves, etc., can solve the problems of reduced structural stability, poor sealing, and high opening pressure, and achieve labor-saving, weight reduction, and reduction in the opening process. effect of numbers

Active Publication Date: 2022-04-29
陕西白杨道胜安防科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

, and the existing selector valve device adopts a combined structure for the main valve body, the structure is complex, the opening pressure is high, and the sealing performance is poor, which greatly reduces the structural stability of the device. These shortcomings will lead to existing The application of the fire extinguisher selection valve device is limited

Method used

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  • A normally closed selector valve device for a fire extinguisher
  • A normally closed selector valve device for a fire extinguisher
  • A normally closed selector valve device for a fire extinguisher

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Embodiment Construction

[0035] refer to figure 1 with figure 2 , according to an embodiment of the present invention, comprising: a main valve body 1; the main valve body 1 communicates up and down, the top of the main valve body 1 is provided with an end cover 2, and the outside of the main valve body 1 is provided with a pneumatic valve 3 and the fire extinguishing agent inlet 4, the pneumatic valve 3 is arranged on the upper side of the fire extinguishing agent inlet 4, and the lower end of the main valve body 1 is the fire extinguishing agent outlet 5;

[0036] The inner wall of the main valve body 1 is provided with an upper flange 101 and a lower flange 102 with the same inner diameter, and the main valve body 1 is provided with an inner diameter matching the upper flange 101 and the lower flange 102. Piston 6, the upper end of the piston 6 is circumferentially provided with a piston flange 601 matching the inner wall of the main valve body 1, and a Gap 7;

[0037] The pneumatic valve 3 inc...

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Abstract

The present invention provides a normally closed selector valve device for a fire extinguisher, comprising: a main valve body; the main valve body communicates up and down, the top of the main valve body is provided with an end cover, and the outside of the main valve body is provided with a pneumatic valve and The fire extinguishing agent inlet, the pneumatic valve is set on the upper side of the fire extinguishing agent inlet, the lower end of the main valve body is the fire extinguishing agent outlet, and the inner wall of the main valve body is provided with an upper convex ring and a lower convex ring with the same inner diameter. A piston corresponding to the inner diameter of the upper flange and the lower flange is arranged inside the valve body, and a compression spring is interposed between the piston and the end cover. Compared with the existing selector valve device, the normally closed selector valve device for the fire extinguisher of the present invention has the advantages of simple structure, small opening pressure, simple assembly and good working stability.

Description

technical field [0001] The invention relates to the field of fire fighting equipment, in particular to a normally closed selector valve device for a fire extinguisher. Background technique [0002] The normally closed selector valve for fire extinguishers is a very important part of the gas fire extinguishing system. It is used in the gas fire extinguishing combination distribution system. Usually, the selector valve is installed on the header, and the outlet of the selector valve is connected to the pipeline of the corresponding protection zone. [0003] When the detection device (such as: flame detector) detects the fire, it will be fed back to the control system, and the control system will open the selection valve and the medicine bottle. , and the existing selector valve device adopts a combined structure for the main valve body, the structure is complex, the opening pressure is high, and the sealing performance is poor, which greatly reduces the structural stability of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K1/00F16K1/36F16K1/46F16K27/02F16K31/122
CPCF16K1/00F16K1/36F16K1/46F16K27/02F16K31/1221
Inventor 程雷韩丹邵海静陈巧雲附韩丹赵亮
Owner 陕西白杨道胜安防科技有限公司