The invention relates to a foldable push-pull cart which comprises an upper U-shaped horizontal pipe A, an upper U-shaped horizontal pipe B, a lower U-shaped horizontal pipe A, a lower U-shaped horizontal pipe B, a middle U-shaped horizontal pipe, a vertical U-shaped pipe, an upper side push-pull pipe, a lower side push-pull pipe, an upper longitudinal pipe A, an upper longitudinal pipe B, a lower longitudinal pipe A, a lower longitudinal pipe B, a middle longitudinal pipe, a middle transverse pipe and a vertical pipe. The folding device comprises a side fixed connecting pipe folding device, a side sliding folding device, a middle sliding folding device, a side fixed connecting pipe middle vertical pipe folding device, a cross folding device and a four-corner drawing rod folding device, and is characterized by comprising an upper support, a lower support, a transverse horizontal pipe A, a transverse horizontal pipe B, a transverse cross pipe, a rigid hinge device and the like, a side fixed connecting pipe folding device, a side sliding folding device, a middle sliding folding device, a side fixed connecting pipe middle vertical pipe folding device and a cross folding device, the foldable push-pull cart can be folded into a sheet shape or a stick shape smoothly in more than ten folding modes such as a transverse composite cross folding device and a rigid hinge device, the foldable push-pull cart has high system rigidity when unfolded, and the folded foldable push-pull cart is small in size and convenient to carry and place.

    本发明涉及可折叠推拉车,包括上置U形水平管甲,上置U形水平管乙,下置U形水平管甲,下置U形水平管乙,中置U形水平管,竖直U形管,上置边推拉管,下置边推拉管,上置纵向管甲,上置纵向管乙,下置纵向管甲,下置纵向管乙,中置纵向管,中置横向管,竖管,上支承,下支承,横向水平管甲,横向水平管乙,横交叉管,刚性铰接装置等,采用边固定连管折叠装置,边滑动折叠装置,中间滑动折叠装置,边固定连管中竖直管折叠装置,交叉折叠装置,四角抽杆折叠装置,横向复合交叉折叠装置等十余种折叠方式,配置刚性铰接装置,使可折叠推拉车能顺畅收折呈片状或棍状,展开时具有较高的系统刚性,收折后的可折叠推拉车体积小,便于携带和摆放。


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    Title :

    Foldable push-pull vehicle


    Additional title:

    可折叠推拉车


    Contributors:
    XUE YONG (author)

    Publication date :

    2022-05-17


    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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