Fire extinguisher valve tightened through threads

• Main Author: CHEN CHUNLAI
• Format: Patent
• Language: Chinese; English
• Published: 27.09.2022
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; FIRE-FIGHTING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; HUMAN NECESSITIES; LIFE-SAVING; LIGHTING; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The invention discloses a fire extinguisher valve started by tightening and loosening a thread. The fire extinguisher valve comprises a valve seat, a valve cover and a sealing plug, the valve seat is mounted on the gas cylinder, and a gas channel is formed in the valve seat; the valve cover is directly or indirectly screwed on the valve seat, the sealing plug is arranged in a piston cavity formed by the valve seat and/or the valve cover, and the piston cavity is communicated with the air passage and the fire extinguishing agent outlet; and in the thread movement process of the valve cover and the valve seat, the sealing plug can block the upper end of the air channel so as to block the air channel and the fire extinguishing agent outlet. Tightening or loosening starting of the sealing plug is achieved in a threaded mode, meanwhile, the sealing structure is installed on the non-pressure side, and spring direct pressure sealing is omitted; according to the fire extinguisher valve, valve parts can be replaced, a