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Container valve

A technology for container valves and valve bodies, which is applied in the direction of safety valves, balance valves, valve devices, etc. It can solve the problems of manual replenishment, application, and maintenance complexity, and achieve the effects of stable pressure compensation and reliable sealing

Active Publication Date: 2013-02-20
浙江信达可恩消防股份有限公司
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  • Description
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AI Technical Summary

Problems solved by technology

[0003] At present, the container valves used in fire detection tube self-starting fire extinguishing devices at home and abroad are of differential pressure structure. When the fire detection tube detects a fire, the container valve will automatically open the container valve according to the pressure difference between the inside and outside of the valve body. However, they all have a common shortcoming, that is, it is necessary to check the pressure in the fire detection tube frequently, and it needs to be replenished in time if it is lower than the rated value, that is, when the pressure in the fire detection tube is lower than 1.0Mpa (at 20°C), it needs to be manually checked in time. Supplement to ensure that the fire extinguishing device can work stably
In the case of a large number of put into use, this makes the application and maintenance quite complicated and difficult. If the inspection and maintenance are not timely, it will cause serious consequences

Method used

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] Such as figure 1 , figure 2 As shown, the container valve of the present invention includes an upper valve body and a lower valve body. The upper valve body and the lower valve body center respectively form an upper valve chamber and a lower valve chamber. There is a passage 3 along the horizontal direction in the upper valve chamber, and the passage 3 passes through the ball valve. 1 is connected to the fire detection pipe; there is an outlet 5 for the fire extinguishing agent to be sprayed out in the lower valve chamber along the horizontal direction and an inflatable joint 4 for filling the fire extinguishing agent; the piston 8 for opening the container valve is installed in the lower valve chamber , when the piston 8 does not move, the outlet 5 is blocked;

[0020] A pressure stabilizing piston assembly 2 for adjusting the pressure differ...

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Abstract

The invention discloses a container valve which comprises an upper valve body and a lower valve body, wherein an upper valve cavity and a lower valve cavity are formed at the centers of the upper and lower valve bodies; a novel differential pressure type piston structure is arranged in the lower valve cavity; and a pressure-stabilizing piston component is arranged in the upper valve cavity. The container valve can be used for automatically, timely, reliably and stably compensating pressure for a fire detecting pipe when the pressure of the fire detecting pipe is less than a preset value, thereby ensuring the stable working of a fire extinguishing device.

Description

technical field [0001] The invention relates to a container valve, in particular to a container valve used for a fire detection tube type fire extinguishing device. Background technique [0002] The fire detection tube type fire extinguishing device is a new fixed non-inductive temperature self-starting small fire extinguishing device introduced into my country in recent years. At present, it has obtained invention patents in many countries including China, and has obtained many institutions in the United States FM, the French National Defense and Protection Center (CNPP), the British LPC, Karl Lloyd's Register of Shipping, and the German Profit Industry Supervisory Agency (BAM). It has been widely used in many industries and fields all over the world. Its successful invention and use have attracted the attention of international and domestic fire protection circles. In 2006, the latest revision of the "Code for Fire Protection Design of Buildings" (GB50016-2006) also expl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A62C35/68F16K17/00
Inventor 曹昕辉
Owner 浙江信达可恩消防股份有限公司
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