Automatic fire extinguishing apparatus with outstanding confidence

摘要

A highly reliable automatic fire extinguishing device according to the present invention includes a housing installed in a fire predicted area and filled with a fire extinguishing agent therein; A fire extinguishing agent supply pipe accommodated in the housing and serving as a passage through which the extinguishing agent filled in the housing is supplied; An injection pipe that is a passage through which the extinguishing agent supplied from the extinguishing agent supply pipe is injected; An injection nozzle provided at an end of the injection pipe and through which the extinguishing agent supplied through the injection pipe is injected; A head portion having a supply passage connected to the supply pipe and the injection pipe therein; And a valve installed on the head to open and close the supply flow path, wherein the valve includes a valve disk that closes the supply flow path when no fire occurs, a ball supported at an end of the valve disk, and a part Is inserted into the head and has a ball receiver in which the ball is accommodated, a glass bulb support part inserted into the ball receiver and supported at the end of the ball, and a glass bulb supported by the glass bulb support. I can.