The vacuum isolation cabin door comprises a valve plate and a sealing door, the sealing door comprises a sealing ring and a sealing flange, the sealing flange is connected to the end of the sealing ring, a radial sealing ring and a guide ring are arranged on the outer ring face of the sealing ring, a mounting hole is formed in the valve plate, and the outer ring face of the sealing ring is slidably connected into the mounting hole; a first driving mechanism is arranged on the valve plate and comprises a plurality of air cylinders or hydraulic cylinders, the air cylinders or the hydraulic cylinders are evenly arranged in the circumferential direction of the sealing door, cylinder bodies of the air cylinders or the hydraulic cylinders are connected to the valve plate, groove bodies are formed in the ends of piston rods of the air cylinders or the hydraulic cylinders, and pull rods are arranged in the groove bodies. The pull rod is connected with a sealing flange and sleeved with a spring, the two ends of the spring act on the sealing flange and the end face of the air cylinder or the hydraulic cylinder respectively, and an end face sealing ring is arranged on the other face, opposite to the spring, of the sealing flange. The sealing device is simple in structure, convenient to use and good in sealing effect.

    本发明关于一种真空隔离舱门,包括阀板和密封门,密封门包括密封环和密封法兰,密封法兰连接于密封环端部,密封环的外环面上设有径向密封圈和导向环,阀板上设置有安装孔,密封环的外环面滑动连接于安装孔中,径向密封圈紧贴安装孔,阀板上设有第一驱动机构,第一驱动机构包括若干个气缸或液压缸,气缸或液压缸沿密封门的周向均匀布置,气缸或液压缸的缸体连接于阀板,气缸或液压缸的活塞杆端部设置有槽体,槽体中设置有拉杆,拉杆与气缸或液压缸的活塞杆端部铰接,拉杆连接密封法兰,拉杆外套接有弹簧,弹簧的两端分别作用在密封法兰和气缸或液压缸端面上,密封法兰上相对弹簧的另一面设有端面密封圈。本发明结构简单,使用方便,密封效果良好。


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    Title :

    Vacuum isolation cabin door


    Additional title:

    一种真空隔离舱门


    Contributors:
    DUAN QIGANG (author) / LI JIAN (author) / JIANG TAO (author)

    Publication date :

    2022-11-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F16K VALVES , Ventile / B61B RAILWAY SYSTEMS , Eisenbahnanlagen



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