Air pressure active locking type hydrogenation gun

• Main Authors: SONG FUYU, XU YANG, ZHANG SHIMING, JIA HAIFENG, BI JIANNING
• Format: Patent
• Language: Chinese; English
• Published: 05.11.2021
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; STORING OF DISTRIBUTING GASES OR LIQUIDS; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES; WEAPONS

The utility model provides an air pressure active locking type hydrogenation gun, which comprises a gun body, a gun seat and a grip, a hydrogenation mechanism and a pressure relief mechanism are arranged in the gun body, the hydrogenation mechanism is connected with a relief pipeline in the pressure relief mechanism through an air filling pipeline, the hydrogenation mechanism is connected with a vehicle end, and a blowdown mechanism is arranged in a hydrogenation port of the gun body. A dual mechanical locking structure and an air pressure active locking mechanism are further arranged in the gun body. The air pressure active locking mechanism comprises a first shaft sleeve, a lock rod, a second reset spring and a sealing ring, a gear boss is arranged at one end of the lock rod, the other end of the lock rod is movably matched with a groove formed in the first shaft sleeve, the outer side of the lock rod is sleeved with the second reset spring, and the two ends of the second reset spring abut against the gear