The invention discloses a double-layer folding cart. The double-layer folding cart comprises a lower panel, a left supporting frame, an opening thread lock, a pressing plate with a pin, an upper panel, a right supporting frame, a fixing plate and trundles. One end of the lower panel is hinged to the lower portions of two vertical supporting legs of the left supporting frame; the other end of the lower panel can move along the sliding grooves in the vertical supporting legs of the right supporting frame; one end of the upper panel is hinged to the upper portions of the two vertical supporting legs of the right supporting frame, and the other end of the upper panel can move along the sliding grooves in the vertical supporting legs of the left supporting frame. The opening thread lock and thepressing plate with the pin are provided with openings for the extending parts on the upper panel/the lower panel to pass through, and the openings are used for fixing the trolley when the trolley isunfolded and folded; the fixing plate is located on vertical supporting legs of the left supporting frame and the right supporting frame; and the trundles are fixed to the bottoms of supporting legsof the left supporting frame and the right supporting frame. The folding cart has the characteristics of being simple in structure, easy to store and convenient to transport.

    本发明公开了一种双层折叠推车。该双层折叠推车包括下面板、左支撑框架、开口螺纹锁、带销压板、上面板、右支撑框架、固定板以及脚轮;所述下面板一端铰接在左支撑框架的两个竖直支腿下部,另一端可沿右支撑框架的竖直支腿上的滑槽移动,所述上面板一端铰接在右支撑框架的两个竖直支腿上部,另一端可沿左支撑框架的竖直支腿上的滑槽移动;所述开口螺纹锁和带销压板上均有可供上面板/下面板上的伸出部通过的开口,负责小车展开和收纳时的固定;所述固定板位于左支撑框架和右支撑框架的竖直支腿上;所述脚轮固定在左支撑框架及右支撑框架的支腿底部。本发明具有结构简单、易收纳和便于运输的特点。


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    Title :

    Double-layer folding cart


    Additional title:

    一种双层折叠推车


    Contributors:
    HU XIUKUN (author) / ZHANG LIANXIN (author) / WU ZHIQUN (author) / LIU KUN (author) / CAO PENGHUI (author) / LI XIANG (author)

    Publication date :

    2020-08-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS



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