Gate valve with novel structure

• Main Authors: XIE JIANJUN, TANG ZHANGXIAN, LIU CHANGDENG, SU DE, WANG QIANG
• Format: Patent
• Language: Chinese; English
• Published: 18.03.2022
• 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

A gate valve of a novel structure comprises a valve body, a valve cover is arranged on the valve body, a valve rod is arranged in the valve body, the upper end of the valve rod is connected with a hand wheel, the tail end of the valve rod is connected with a gate plate, the gate plate is in sealing fit with a valve seat in the valve body, the gate plate comprises a flat gate plate and a wedge gate plate, the flat gate plate and the wedge gate plate are in floating connection, and a floating adjusting gap exists between the flat gate plate and the wedge gate plate. A plurality of adjusting screws are arranged on the wedge gate plate in the circumferential direction, and the adjusting screws are arranged between the flat gate plate and the wedge gate plate to control the floating adjusting gap so as to adjust the inclination, the position degree and the machining precision between the flat gate plate and the wedge gate plate, so that the matching relation between different gate valves and gate plates is adapted