The invention discloses a water-return-preventing water leakage opening. The water leakage opening comprises a water leakage opening body, the water leakage opening body comprises an upper section body, a lower section body and a sealing part, the upper section body is cylindrical, a filter plate is arranged at an opening in the upper end of the upper section body, and the lower end of the upper section body is arranged outside the lower section body in a sleeving mode; a cavity is formed in the lower section body, a first opening is formed in the upper end of the lower section body, a secondopening is formed in the lower end of the lower section body, the first opening and the second opening are both communicated with the cavity, a floating ball capable of moving freely is arranged in the cavity, and the diameter of the floating ball is smaller than the width of the first opening; the sealing part comprises a sealing ring arranged at the first opening, and the diameter of the floating ball is slightly larger than the width of the sealing ring; and a check ring used for preventing the floating ball from sliding out of the cavity from the second opening is arranged in the cavity. According to the water-return-preventing water leakage opening, the technical problem that when the longitudinal and transverse inclination angles of a ship or an ocean self-elevating platform are large, water return and backflow phenomena happen to the water leakage opening can be effectively solved.

    本发明公开了一种防返水漏水口,其包括漏水口本体,所述漏水口本体包括上段本体、下段本体和密封部件,所述上段本体呈筒状,所述上段本体的上端开口处设有滤板,所述上段本体的下端套装于下段本体的外部;所述下段本体内设有一空腔,所述下段本体的上端设有第一开口,其下端设有第二开口,第一开口与第二开口均与空腔连通,所述空腔内设有可自由活动的浮球,浮球的直径小于第一开口的宽度;所述密封部件包括设于第一开口处的密封圈,浮球的直径略大于密封圈的宽度;空腔内设有用于防止浮球从第二开口滑出空腔的挡圈。本发明所述的防返水漏水口,可在船舶或海洋自升式平台在纵横倾角度较大时,有效解决漏水口出现返水倒流现象的技术问题。


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    Title :

    Water-return-preventing water leakage opening


    Additional title:

    一种防返水漏水口


    Contributors:
    SHI BAOGUO (author) / HUANG QIUYUN (author) / SU FUXING (author) / XIN XIAOWEI (author) / WANG PENG (author)

    Publication date :

    2020-07-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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