Dual backrest four-wheeler

Abstract

The utility model belongs to the technical field of medical apparatus and instruments, provide a back two four -wheeled vehicle, including frame and back, be provided with the cushion on the frame, the back is located one side of the cushion, the back is detachably connected with the frame, the back includes backplate, the connecting piece of setting in backplate both ends, the docking piece of installing on the frame and the limiting piece of installing on the docking piece, the opposite sides of the cushion are set up on the docking piece, the connecting groove that is equipped for the connecting piece is equipped on the docking piece, the insertion slot that is equipped for the limiting piece is equipped on the docking piece still, the insertion slot and the connecting groove intercommunication, the outer surface of limiting piece is equipped with the elastic part, one end of elastic part is connected with the docking piece, the other end is connected with the limiting piece, and elastic part is used for making limiting piece and connecting piece keep connection. The back two four -wheeled vehicle of the application can be disassembled and stored separately when folding, so that the volume of the four -wheeled vehicle after folding is more compact, and the direction of the back can also be adjusted according to the demand, which is convenient and practical.

Images