Oil discharge anti-overflow explosion-proof emergency cut-off valve

• Main Author: LIU XIZHEN
• Format: Patent
• Language: Chinese; English
• Published: 07.12.2021
• 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 an oil discharge anti-overflow explosion-proof type emergency cut-off valve which comprises a valve body, two installation pipes are arranged on the side wall of the valve body and connected with the valve body through installation flanges, a valve channel is formed in the valve body, a movable rod is arranged in the valve channel, and the movable rod is connected with the valve body. A valve element is fixedly connected to the lower end of the moving rod, a sealing mechanism is arranged on the valve body, and the sealing mechanism comprises water stopping blocks which are fixedly connected to the side walls of the two mounting pipes and expand when meeting water. A transmission valve body sealing mode is replaced, the sealing performance of the connecting position of the valve body and the installation pipe is greatly improved, and the situation that oil leaks from the connecting position of the valve body and the installation pipe is avoided. 本实用新型公开了一种卸油防满溢隔爆型紧急切断阀，包括阀体，所述阀体侧壁设有