Sealing structure of air valve cover of low-temperature compressor

• Main Authors: YU HANGSHENG, XU YULAN, CHEN LI
• Format: Patent
• Language: Chinese; English
• Published: 08.09.2023
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; CYLINDERS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; PISTONS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; SEALINGS; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The utility model discloses an air valve cover sealing structure of a low-temperature compressor, which relates to the technical field of compressors and comprises a valve cover body, a sealing and fixing mechanism is arranged on the outer surface of the valve cover body and comprises two fixing plates, and the two fixing plates are both fixedly connected to the outer surface of the valve cover body. The bottom face of each fixing plate is fixedly connected with a fixing rod, the bottom face of each fixing rod is fixedly connected with a fixing ring, and two clamping rings are arranged in each fixing ring. A threaded rod can be rotated, the threaded rod and a threaded ring are in a threaded relationship in the rotating process, the threaded ring pushes two movable plates to be close to each other, the movable plates push two clamping rings to be close to each other through a push rod, and the protruding position on a valve hole is fixed through the clamping rings; the stability of the valve cover in the seali