The improved structure of the marine ventilator comprises a ventilator body, an air cap and a weather tight cover, an upper screw seat is arranged on the upper portion of the air cap, a lower screw seat is arranged on the upper portion of the ventilator body, and a plurality of connecting rib plates are arranged between the air cap and the ventilator body. The inner wall of the wind cylinder is connected with the lower screw seat through a plurality of supporting plates arranged in the circumferential direction, a screw is rotationally arranged between the upper screw seat and the lower screw seat, a threaded hole matched with the screw is formed in the center of the weather tight cover, a vertical plate is arranged on the inner wall of the wind cap, a guide transverse plate is arranged on the weather tight cover, and the vertical plate is connected with the guide transverse plate. A guide groove in sliding fit with the vertical plate is formed in the guide transverse plate; a U-shaped indicating rod is connected to the portion, close to the outer side, of the weather tight cover, and the side wall of the hood enters a U-shaped space of the U-shaped indicating rod. According to the invention, the ventilator can be mounted at the ship channel part, the top of the ventilator can be used as a part of the channel, and the fireproof safety of the ventilator is improved.

    本发明公开了涉及一种船用通风筒的改进结构,包括风筒、风帽和风雨密盖,风帽的上部设置有上螺杆座,风筒的上部设置有下螺杆座,风帽与风筒之间设置有若干数量的连接筋板,风筒的内壁与下螺杆座之间通过若干数量沿周向布置的支撑板相连接,在上螺杆座与下螺杆座之间转动设置有螺杆,风雨密盖的中心部位设置有与螺杆相适配的螺纹孔,风帽的内壁上设置有竖板,风雨密盖上设置有导向横板,导向横板上设置有与竖板滑动配合的导向槽;在风雨密盖的靠外侧部位连接有一U型指示杆,风帽的侧壁进入U型指示杆的U型空间内。本发明使得通风筒能够安装在船舶通道部位并使得通风筒的顶部能够作为通道的一部分进行使用,并提高了通风筒的防火安全性。


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    Title :

    Improved structure of marine ventilator and use method


    Additional title:

    一种船用通风筒的改进结构及使用方法


    Contributors:
    JIN LING (author) / DU JIANGNAN (author) / WU YOU (author)

    Publication date :

    2022-11-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B63J Hilfsanlagen auf Schiffen , AUXILIARIES ON VESSELS



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