The invention discloses a marine small hatch cover which comprises a mounting bin, a first hinge seat is fixed to one side of the mounting bin, a hatch cover is hinged to one side of the mounting bin through the first hinge seat, the hatch cover and the mounting bin are fixedly connected through an inner lock and an outer lock, a housing is welded to the inner side of the hatch cover, and the bottom face of the housing extends into the mounting bin. A first containing cavity and two second containing cavities which incline downwards and are provided with openings in the bottoms are formed in the housing, the two second containing cavities are arranged in a mirror image mode with the first containing cavity as the central axis, the lower portions of the two second containing cavities incline in the direction away from the first containing cavity, an extension ladder is installed in the first containing cavity, and supporting air cylinders are installed in the second containing cavities. The telescopic end of the supporting air cylinder is connected with a supporting plate. Through the inner lock and the outer lock, the hatch cover can be buckled on the mounting bin more stably, and the ladder is arranged in the hatch cover, so that the occupied space is reduced, the ladder does not need to be additionally mounted in a cabin, the mounting procedures are reduced, and the cost is saved.

    本发明公开了一种船用小舱盖,包括安装仓,安装仓的一侧固定有第一铰接座,并通过第一铰接座铰接有舱盖,舱盖与安装仓通过内锁和外锁固定连接,舱盖的内侧焊接有罩壳,罩壳的底面向安装仓内延伸,且罩壳内设有向下倾斜且底部开口的一个第一容置腔和两个第二容置腔,两第二容置腔以第一容置腔为中轴线镜像设置,且两第二容置腔的下部向远离第一容置腔的方向倾斜,第一容置腔内安装有伸缩梯,第二容置腔内安装有支撑气缸,支撑气缸的伸缩端连接有支撑板。通过内锁和外锁,可将舱盖更加稳定的扣设在安装仓上,而且将扶梯内置在舱盖内,减少了占用空间,且无需另外在船舱内安装扶梯,减少了安装工序,节省了成本。


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    Title :

    Marine small hatch cover and welding process thereof


    Additional title:

    一种船用小舱盖及其焊接工艺


    Contributors:
    DONG HONGFEI (author) / QI XUEQIN (author)

    Publication date :

    2023-03-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / B23K Löten , SOLDERING OR UNSOLDERING



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