Fire-control gas locking valve

• Main Author: YANG BIPING
• Format: Patent
• Language: Chinese; English
• Published: 12.03.2014
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The invention discloses a fire-control gas locking valve, which comprises a valve body. The valve body is provided with a fire extinguishing media inlet and an access passage; a valve core is arranged in the access passage; a seal spring used for closing the fire extinguishing media inlet is arranged between the fire extinguishing media inlet and the valve core; a valve rod mechanism used for pushing open the valve core is also arranged in the valve body; a gas pressure cavity is also arranged in the valve body. The valve rod mechanism comprises a piston and a valve rod, wherein the piston is arranged in the gas pressure cavity and can slide along the wall of the gas pressure cavity, and the valve rod is used for pushing the valve core; the valve body is also provided with a gas generator used for applying instantaneous pressure to the gas pressure cavity. According to the fire-control gas locking valve disclosed by the invention, as the gas pressure cavity is arranged, and the valve is opened by utilizing th