| 摘要 |
An electric wheelchair, comprising a movable chair (1), a wheelchair body (2) used as a chair support, a chair adjustment mechanism (3) disposed under the chair, a chassis (4), and a crawler mechanism (5); the crawler mechanism (5) comprises two groups of crawlers respectively disposed under the chassis on both sides; each group of crawlers comprises a front crawler and a back crawler; the chassis (4) consists of a front part and a back part; the two parts are movably connected via a connecting device and can mutually deflect relative to each other; the crawler mechanism (5) further comprises movably extending crawlers respectively disposed on the outer side of the front crawlers, and fixed stair-climbing crawlers respectively disposed on the outer side of the back crawlers; the free ends of the fixed stair-climbing crawlers form a given angle relative to the back crawlers. |
