Oil seal 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; LIGHTING; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The utility model discloses an oil seal sealing type electromagnetic gas emergency cut-off valve which comprises a valve body, a T-shaped pipe installed on the valve body, a valve cover installed on the T-shaped pipe, an electromagnetic control mechanism installed on the valve cover, a first arc block and a second arc block installed on the inner side wall of the valve body, and a third arc block installed on one side wall of the arc block. First rectangular blocks are installed at the upper ends of the first arc blocks and the second arc blocks, rubber strips are installed on the side walls of the first arc blocks and the second arc blocks, spherical grooves are formed in the two first rectangular blocks, a cutting-off mechanism for preventing fuel gas from being continuously conveyed is arranged at the upper ends of the first arc blocks, the cutting-off mechanism comprises a second rectangular block, and a first rectangular plate is installed at the bottom of the second rectangular block. By means of multip