| 摘要 |
A linkage folding wheelchair. Two rear wheels taken as driven wheels are arranged under a seat (1), a front wheel (2) taken as a driving wheel is provided with two pedal plates (5), the seat (1) is locked on a main beam (6) by an elastic pin (21), the main beam (6) is provided with a folding shaft (3), a front axle (8) is provided with an adaptive axle sleeve connected thereto, a drive motor (4) arranged at one side of the bottom of the seat (1) is connected to a telescopic arm (9), a sleeve (18) of the telescopic arm (9) is provided with a convex column (19), the convex column (19) is connected to the elastic pin (21), the convex column (19) is provided with a movement stroke (20), and a connecting rod (7) is arranged between the telescopic arm (9) and the front axle (8). The wheelchair can be automatically folded in a manner of linkage, is controlled by one key, and is space-saving in use and storage as well as simple and convenient to fold, lock and unlock. |
