Two-stage sealing type electromagnetic gas emergency cut-off valve

• Main Author: YANG BIPING
• Format: Patent
• Language: Chinese; English
• Published: 21.12.2021
• 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; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The utility model discloses a two-stage sealing type electromagnetic gas emergency cut-off valve which comprises a valve body and is characterized in that an adjusting mechanism is arranged in the valve body and comprises a semicircular base, a circular pipe is fixedly installed on the semicircular base, a circular ring is fixedly installed on the side wall of the circular pipe, and a valve rod is fixedly installed on the circular ring. An annular groove is formed in the inner side wall of the valve body, a circular ring is movably installed in the annular groove, a rectangular groove is formed in the inner side wall of the valve body, a threaded rod is fixedly installed on the semicircular base, and a first oval block is movably installed on the threaded rod through threads. When the stop valve is used, the connecting gap between the first oval block and the threaded rod can be adjusted through movement of the first oval block on the threaded rod, the gas inlet and outlet amount of the valve can be controlle