A gas shut-off valve
A shut-off valve, gas technology, applied in valve details, valve device, valve operation/release device, etc., can solve the problems of circuit damage, easy failure of electronically controlled gas valve, etc., to achieve the effect of simple structure and conducive to popularization and use
Active Publication Date: 2018-05-11
VITALONG FIRE SAFETY GRP
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- Summary
- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
At present, it is mainly necessary to manually close the gas valve. If it is driven by electric control, it is often necessary to cut off the power supply in case of fire, or cause damage to the circuit, and the electric control gas valve is more likely to fail.
Method used
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Embodiment Construction
[0015] The present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.
[0016] Such as figure 1 It is a structural diagram of the gas stop valve of the present invention, including a valve body 1 and a valve cover 2, one end of the valve cover 2 is connected to the valve body 1, and the other end is connected to the check valve assembly 3; the valve cover 2 is provided with a water storage Chamber 4, the bottom of the water storage chamber 4 is provided with a diaphragm 7, the edge of the diaphragm 7 is detachably fixed on the valve body 1, and the diaphragm 7 is used to cut off gas.
[0017] Preferably, the side of the valve cover 2 is provided with a vent hole 6 communicating with the side wall of the water storage chamber 4, and a floating ball 5 for sealing the vent hole 6 is also provided in the water storage chamber 4; When the water flow enters the water storage chamber 4, the air in the water storage cham...
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The invention provides a fuel gas stop valve which comprises a valve body and a valve cover. The fuel gas stop valve is characterized in that one end of the valve cover is connected with the valve body, and the other end of the valve cover is connected with a one-way valve; a water storage cavity is formed in the valve cover, the side face of the valve cover is provided with an exhaust hole communicated with the side wall of the water storage cavity, and a floating ball for sealing the exhaust hole is further arranged in the water storage cavity; the bottom of the water storage cavity is provided with a membrane piece, and the edge end of the membrane piece is detachably fixed to the valve body. According to the fuel gas stop valve, the fuel gas stop valve is convenient and safe to use due to the fact that domestic tap water serves as drive force; the stop valve is triggered through a fuel gas leakage sensor or a fire sensor, fuel gas supply is stopped in time, and people do not need to take a risk to close the fuel gas supply manually; and the fuel gas stop valve is simple in structure, convenient and practical, and application and popularization are facilitated.
Description
technical field [0001] The invention relates to the technical field of valves, in particular to a gas cut-off valve. Background technique [0002] The globe valve, also known as the gate valve, is a forced sealing valve and is one of the most widely used valves. The gas shut-off valve is a new type of safety supporting device for gas pipeline engineering; it is used to cut off, connect and adjust the gas in the pipeline, and has good control characteristics and closing and sealing performance; it is suitable for city gas, liquefied petroleum gas, natural gas , oxygen and other gas medium pipelines. The driving forms of the gas valve include manual, worm gear transmission, electric, pneumatic, hydraulic, electro-hydraulic linkage and other actuators, which can realize remote control and automatic operation. [0003] Gas has been widely used in the kitchen. When gas leakage and kitchen fires occur, people must cut off the supply of gas in time to avoid causing greater harm. ...
Claims
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IPC IPC(8): F16K31/126F16K37/00
CPCF16K31/126F16K37/0025
Inventor 汪映标张宗勤杨猛彭军
Owner VITALONG FIRE SAFETY GRP