The invention relates to a foldable trolley which comprises a foldable trolley body frame, a storage bag, wheels and a push-pull rod assembly. The front, back, left and right vertical surfaces of the vehicle body frame comprise more than one group of diagonal rods which are hinged in a crossed manner, the upper end parts of the diagonal rods of adjacent vertical surfaces are mutually hinged, the lower end parts of the diagonal rods are hinged on hinge seats, and wheels are mounted on the hinge seats; wherein the bottom plane of the vehicle body frame is supported by two folding rod sets distributed left and right, each folding rod set comprises a front rod piece, a rear rod piece and a bridging piece, the bridging piece is connected with one end of the front rod piece and one end of the rear rod piece, and the other end of the front rod piece and the other end of the rear rod piece are correspondingly hinged to hinge seats of the front vertical face and the rear vertical face; a horizontal groove is correspondingly formed in the hinge seat, when the vehicle body frame is opened in place, the front rod piece and the rear rod piece are locally lapped in the horizontal groove and are jacked up, and meanwhile the hinge seat is guided. The device has the characteristics of unique conception, simple structure and smooth operation.

    本发明涉及一种折叠手推车,包括可折叠车体框架、储物袋、车轮和推拉杆总成;车体框架的前后和左右四个立面包含一组以上交叉铰接的斜杆,相邻立面的斜杆上端部间相互铰接、下端部铰接在铰接座上,并在铰接座上安装有车轮;其中:车体框架的底平面由两条呈左右分布的折叠杆组支撑,该折叠杆组包括前杆件、后杆件和桥接件,所述桥接件连接前杆件与后杆件的一端部,前杆件和后杆件的另一端部对应铰接在前、后立面的铰接座上;铰接座对应成型有水平槽,车体框架打开到位,前、后杆件局部搭在水平槽中并被顶托着,同时也对铰接座形成导正作用。本发明具有构思独特、结构简单、操作流畅的特点。


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    Title :

    Folding trolley


    Additional title:

    一种折叠手推车


    Contributors:
    ZHENG TIANXIA (author) / ZHENG SHIPING (author) / FAN KE'AN (author)

    Publication date :

    2022-12-27


    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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