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Low pressure valve release device and its installation method

A low-pressure valve and releaser technology, which is applied in fire rescue and other directions, can solve the problems of unable to replenish the pressure of the fire extinguisher and leakage of the valve of the fire extinguisher, and achieve the effects of solving the leakage of the valve of the fire extinguisher, prolonging the service life, and being convenient to use

Active Publication Date: 2019-03-29
ZHEJIANG ORIENTX FIRE SAFETY EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current fire extinguisher valve release device usually only has the switch function, and it is unable to supplement the pressure of the fire extinguisher, which is very unfavorable for prolonging the service life of the fire extinguisher.
On the other hand, if the current fire extinguisher valve is used in a low temperature environment below -20 degrees Celsius, there will be a problem of leakage of the fire extinguisher valve.

Method used

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  • Low pressure valve release device and its installation method
  • Low pressure valve release device and its installation method
  • Low pressure valve release device and its installation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Embodiment 1: as figure 1As shown, a low-pressure valve release device includes a valve body 1; a valve body flow channel 3 arranged in the valve body; a valve core 2 for controlling the flow channel of the valve body; a riser sleeve 5; The first return spring 4; the pressure supplement mechanism 10 arranged on the valve body; the safety release device 11 and the fire extinguisher operating handle 6 arranged on the valve body.

[0041] The flow channel of the valve body includes a main channel running through the upper and lower ends of the valve body, and a valve body outlet 3.3 arranged on the outer side of the valve body and communicating with the main channel. The lower port of the main channel constitutes the inlet of the valve body. The main channel includes an upper valve hole 3.1, a middle valve hole 3.2 located below the upper valve hole, a tapered valve hole 3.4 whose inner diameter gradually decreases from bottom to top, and a lower valve hole 3.5 located be...

Embodiment 2

[0056] Embodiment 2: An installation method of a low-pressure valve releaser. For the specific structure of the low-pressure valve releaser of this embodiment, refer to Example 1: The installation method of a low-pressure valve releaser includes the following steps:

[0057] First: Install the safety release device on the valve body: First, glue the rubber pressing block on the rubber mounting block; then, put the rubber mounting block into the mounting hole; then, put the pre-tightened compression spring into the In the installation hole; finally, the limit sleeve body is installed in the installation hole, and the limit sleeve body and the installation hole are connected by threads. One end of the pre-tightened compression spring extends into the limit sleeve body and abuts against the limit block of the sleeve body, and the other end of the pre-tightened compression spring is sleeved on the spring limit boss. The rubber pressing piece is pressed against the end of the annul...

Embodiment 3

[0061] Embodiment 3: the remaining structure of this embodiment is with reference to embodiment 1, and its difference is:

[0062] Such as figure 2 , image 3 As shown, a low pressure valve release device also includes an adaptive inflation and exhaust sealing structure. A sealing ring installation groove on the valve stem is arranged on the outer surface of the valve stem. The sealing ring on the valve stem is arranged in the installation groove of the sealing ring on the valve stem. An annular air-filling cavity 2.4 is arranged in the sealing ring on the valve stem. The outer surface of the sealing ring on the valve stem is also provided with an inflation intubation tube 2.5 communicating with the annular inflation chamber.

[0063] The adaptive inflation and exhaust sealing structure includes an adaptive on-off mechanism 7, a pressure-type inflation structure 8 and a main channel 9 in the valve stem.

[0064] Such as image 3 , Figure 4 As shown, the pressure-type ...

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Abstract

The invention discloses a low pressure valve releaser and an installing method and aims at providing the low pressure valve releaser which can supplement pressure for a fire extinguisher according to actual requirements, is convenient to use and has good sealing reliability. The low pressure valve releaser comprises a valve body, a valve body flow channel, a valve core and a pressure supplementation mechanism, wherein the valve body flow channel is arranged in the valve body and comprises a main flow channel and a valve body outlet which is formed in the outer side surface of the valve body and communicates with the main flow channel; the main flow channel comprises a conical valve hole, the inner diameter of which gradually decreases from bottom to top; the valve core is used for controlling connection and disconnection of the valve body flow channel and comprises a valve rod arranged in the main flow channel in an inserting manner, a valve rod upper sealing ring arranged on the valve rod and being in tight connection with the main flow channel and a valve rod lower sealing ring arranged on the valve rod and being in tight connection with the conical valve hole; and the pressure supplementation mechanism is arranged on the valve body and comprises a pressure supplementation hole formed in the outer side surface of the valve body, an air inflation one-way valve arranged in the pressure supplementation hole and a pressure supplementation connection hole formed in the valve body.

Description

technical field [0001] The invention relates to a fire extinguisher valve structure, in particular to a low-pressure valve releaser and an installation method. Background technique [0002] The fire extinguisher valve release device usually consists of a valve body, a valve stem, a pressure handle and a carrying handle. The valve stem is installed in the valve body, and the valve stem is provided with a sealing ring that cooperates with the valve body to form a sealing structure. The current fire extinguisher valve release device usually only has a switch function, and cannot pressurize the fire extinguisher, which is very unfavorable for prolonging the service life of the fire extinguisher. On the other hand, when the current fire extinguisher valve is used in a low-temperature environment below -20 degrees Celsius, there will be a problem of leakage of the fire extinguisher valve. Contents of the invention [0003] The first purpose of the present invention is to provid...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A62C13/76
CPCA62C13/76
Inventor 陈巅杨俊华明翔王春峰
Owner ZHEJIANG ORIENTX FIRE SAFETY EQUIP
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