The subject innovation is to prevent in advance the second fire occurs in accordance with the primary fire to ensure that city gas the gas is automatically cut off by the indoor block cock high thermal blocking plate install smoke or when more than 75 ℃ the in each home to be supplied relates to a hot flushes knowledge shown gas-cock, the structure of the present design is to pingong 5 pin 8 into the pingong 7 of the block plate (6) in the guide metal fitting (3) with a 4 combined, the tension spring (9) spring-loaded pin (15) was welded to the after blocking plate 6 into the support unit 4 of the coupler 3 in the lead (20) fitted in the spring hole 15 in the fire block will configured such that plate 6 is automatically operated, this present design is the conventional case of fire, the cock in the locked state discarded Hughes ball melting is illustrated gas continues to leak into the room problems caused up the second large fires inside the car the gas shutoff cock Install the end plates of fire it would have completely solved By automatically so that gas is shut off.
展开▼
