Dual-valve safety device capable of being repeatedly used
A technology for safety devices and valves, which is applied in the direction of valve devices, safety valves, valve details, etc., can solve the problems of high cost of use, failure to achieve automatic cut-off, secondary leakage of gas, etc., and achieve low cost and good anti-leakage effect Effect
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[0024] A reusable double-valve safety device, comprising a valve body, the inner cavity of the valve is provided with a gas outlet safety trigger blocking mechanism and an air inlet safety trigger blocking mechanism;
[0025] The valve body includes a housing 3 and an end cap, the end caps are threadedly connected to both ends of the housing, the left end cap 2 is provided with an outlet pipe connector 21 outside, and the center is provided with an outlet air passage 22 communicating with the outlet pipe connector , the outside of the right end cover 9 is provided with an air inlet pipe connector 91, and the center is provided with an air inlet flow channel 92 communicating with the air inlet pipe connector. ;
[0026] The center of the inner cavity of the housing is provided with a central ring shaft 31, and the central ring shaft is connected to the inner wall of the housing through a fan-shaped piece 32 on its outer periphery, thereby dividing the inner cavity of the housin...
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