Action execution part for gas pipeline self-closing valve

• Main Authors: XU SUJUN, YANG TAO, JIAO YOUHAO
• Format: Patent
• Language: Chinese; English
• Published: 28.10.2022
• 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 utility model provides an action executing piece for a gas pipeline self-closing valve, and relates to the field of pipeline self-closing valves. The action executing part for the gas pipeline self-closing valve comprises a valve body, a pull rod tray is arranged at the top of an inner cavity of the valve body, a movable valve and a lock sleeve are arranged at the bottom of the pull rod tray, the top of the outer side of the movable valve is movably connected with the lock sleeve, and a rubber diaphragm is fixedly connected between the lock sleeve and the pull rod tray. A fuel gas channel is formed in one side in the valve body. According to the action executing part for the gas pipeline self-closing valve, the self-closing valve which is fully physically driven to be opened and closed is formed through parts such as the lock sleeve, the movable valve, the valve element, the sealing ring, the first spring and the valve body, the self-closing valve does not need a magnet, is not limited by the installation