FOLDING WHEELCHAIR

摘要

A folding wheelchair, including a back frame a seat frame a lower frame, two rear wheel assemblies, two front wheel assemblies and an armrest; the armrest and the seat frame are hingedly connected to the back frame from top to bottom in a sequence; the two front wheel assemblies is connected to the lower frame; a sliding guide rail is provided between one end of the seat frame and each rear wheel assembly, and is provided with a sliding block thereon in a sliding fit manner; the sliding block is hingedly connected to a lower end of the back frame and the lower frame or the lower end of the back frame is hingedly connected to the sliding block and the lower frame; or the lower frame is hingedly connected to the lower end of the back frame and the sliding block The folding wheelchair is safe and reliable touse, and can be folded smoothly and quickly; in addition, the folded wheelchair has a small size, and is convenient to lean, against a wall, occupies a small space in a vehicle trunk or under a bed, and is convenient to use when going out.

主权项

1. A folding wheelchair, comprising a back frame (1), a seat frame(2), a lower frame (3), two rear wheel assemblies (4), two front wheel assemblies (5) and armrests (9), wherein the armrests (9) and the seat frame (2) are hinged to the back frame (1) from top to bottom in sequence, and the two front wheel assemblies (5) are assembled and connected with the lower frame (3); characterized in that: 1) a sliding guide rail (8) is arranged between one end of the seat frame (2) and each rear wheel assembly (4), and a sliding block (7) is arranged on each sliding guide rail (8) in a sliding fit manner; and 2) the sliding blocks (7) are hinged with the lower end of the back frame (1) and are also hinged, assembled and connected with the lower frame (3), or the lower end of the back frame (1) is hinged with the sliding blocks (7) and is also hinged, assembled and connected with the lower frame (3), or the lower frame (3) is hinged with the lower end of the back frame (1) and is also hinged, assembled and connected with the sliding blocks (7).