The transmission device comprises a spring, one end of the spring is combined with a spring seat in an inner pipe fixing seat through an inner pipe inner hole, the inner pipe fixing seat is combined with one end of an inner pipe, and the other end of the inner pipe passes through an outer pipe fixing sleeve inner hole, penetrates through an O-shaped ring inner hole and is combined with an inner pipe fixing sleeve. The other end of the spring is combined with a spring seat in an outer pipe fixing seat through an outer pipe inner hole, the outer pipe fixing seat is combined with one end of an outer pipe, and the other end of the outer pipe is combined with an outer pipe fixing sleeve. The power assisting device has the advantages of being simple in structure, light in weight, small in size, easy and convenient to assemble and the like, work is not hindered when the power assisting device is installed on the two sides of the lower portion of the tail of the trailer, the overall attractiveness is kept, the size of the power assisting device is small, the packaging cost is relatively low, the freight cost can be reduced, and the power assisting device can be more exquisite and high-end compared with packaging at the same price.

    本发明提出一种用于拖挂车尾门助力器的传动装置,其包括弹簧,在所述弹簧的一端通过内管内孔与内管固定座中的弹簧座相组合,内管固定座又与内管一端相组合,内管另一端通过外管固定套内孔并穿过O型圈内孔与内管固定套相结合,弹簧另一端通过外管内孔与外管固定座中的弹簧座相结合,外管固定座又与外管一端相组合,外管另一端与外管固定套相组合。该助力装置具有结构简单,重量轻,体积小,组装简便等优点,将其安装于挂车拖车尾部下方两侧位置,不妨碍工作,且保持整体美观,其体积小,包装成本相对较低,运费成本也能降低,相对在同等价格下的包装可以做到更加精致和高端。


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    Title :

    Trailer tail door booster


    Additional title:

    一种拖挂车尾门助力器


    Contributors:
    WANG LUYI (author) / WANG YUANFAN (author) / WANG GANG (author)

    Publication date :

    2023-10-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    E05F DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION , Vorrichtungen zum Bewegen der Flügel in die Offen- oder Schließstellung / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge



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