GAS VALVE BLOCKING DEVICE, WHICH CAN PREVENT THE LEAKAGE OF GAS FROM A GAS PIPE LINE

摘要

PURPOSE: A gas valve blocking device, which can prevent the leakage of gas from a gas pipe line is provided to fundamentally prevent gas leakage by blocking the gas inside the gas pipe in the leak of gas.;CONSTITUTION: A gas valve blocking device comprises a body(10), a gas blocking part(20) and a driving part(30). The gas flows in into the body inside and the gas is flown out from the body. The gas blocking part is installed inside the body and moves to the longitudinal direction of the body. The gas blocking part comprises a rod(23), a pair of load connecting rods(25), a rod opening and shutting device, a rod guide and an elastic member(29). The rod comprises a plurality of gas pass grooves on the outer circumference of the body.;COPYRIGHT KIPO 2011