Middle cavity inner swing type quick opening and closing gate valve

• Main Authors: YIN LI, WANG SHAOQUAN, GAN ZHENGQING, DUAN QINGMEI
• Format: Patent
• Language: Chinese; English
• Published: 27.12.2022
• Subjects: ACTUATING-FLOATS; BLASTING; CLEANING; CLEANING IN GENERAL; 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; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PREVENTION OF FOULING IN GENERAL; SEPARATION; TAPS; THERMAL INSULATION IN GENERAL; TRANSPORTING; VALVES; WEAPONS

The utility model belongs to the field of gate valves, and particularly relates to a middle cavity inner swing type fast opening and closing gate valve which comprises a valve body. One side of the valve body is fixedly connected with a connecting block; the inner side wall, close to the connecting block, of the valve body is rotationally connected with a rotating shaft, and the two ends of the middle of the rotating shaft are fixedly connected to the two side walls of the valve body correspondingly. The top of the rotating shaft is fixedly connected with a valve rod; the bottom of the rotating shaft is fixedly connected with a gate plate; the rotating shaft fixedly connected with the bottom of the valve rod is made to rotate by pulling the valve rod, the gate plate fixedly connected with the bottom of the rotating shaft is made to move reversely in the pulling direction of the valve rod through rotation of the rotating shaft, and opening and closing of the gate valve are controlled through the rotating angle