Foldable push cart

折叠推车

Abstract

The invention discloses a foldable push cart. The foldable push cart comprises a lower cart frame, an upper cart frame, a front-wheel folding device, connecting rods and rear-wheel folding structures, the upper cart frame is pivoted to the rear end of the lower cart frame, the front-wheel folding device is pivoted to the front end of the lower cart frame, each rear-wheel folding structure is arranged between the lower end of the upper cart frame and a corresponding rear wheel, the front ends of the connecting rods are pivoted to the front-wheel folding device, and the rear ends of the connecting rods are pivoted to the upper cart frame. When the foldable push cart is folded, the upper cart frame is rotated downward, the front-wheel folding device is driven to move through the connecting rods, so that a front wheel is folded inward for being flattened, and meanwhile the rear wheels are folded inward for being flattened through the rear-wheel folding structures. The foldable push cart has the advantages of being simple in structure, convenient to fold and small in size after being folded.
本发明公开一种折叠推车,包括下车架、上车架、前轮收合装置、连杆及后轮收折结构,所述上车架枢接于所述下车架的后端,所述前轮收合装置枢接于所述下车架的前端,所述后轮收折结构设置于所述上车架的下端与后轮之间,所述连杆的前端枢接于所述前轮收合装置,所述连杆的后端枢接于所述上车架;收折时,所述上车架向下转动,通过所述连杆带动所述前轮收合装置动作,以使所述前轮向内收折并折平,同时,通过所述后轮收折结构使所述后轮向内折平。本发明折叠推车具有结构简单,收折方便,收折后体积小的优点。

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