Patent ID: 7886854

Claim:
A wheelchair structure, comprising: a wheelchair body, having a handle, a seat and a wheel body; an integrated control seat, comprising a starting switch, an acceleration lever and an electrical connecting wire fixed laterally on the integrated control seat, said integrated control seat being provided with an assembly end engaging said handle of said wheelchair body having an adjustable clamp, said adjustable clamp having a clamping port with a variable clamping amplitude, said assembly end having a swinging portion and a control member, said integrated control seat having swinging angle set by said swinging portion, said control member engaging said swinging portion into an adjustable positioning or release state; an auxiliary drive unit, comprising a wheel body, a drive member and a power supply assembly; an assembly frame, being transversely assembled onto said auxiliary drive unit, having two assembly ends; a combined positioning member, being assembled at left and right sides of said wheel body and having a connecting slot with a lateral guide inlet and an internal retaining wall, said connecting slot having an accommodating seat at a top thereof; a groove with a pin and elastic member inserted therein; and a retaining portion with a single-sided oblique guide surface arranged at a bottom of said pin said elastic member supporting said pin downward, said retaining portion being protruded into said connecting slot, said single-sided oblique guide surface being aligned with a lateral guide inlet of said connecting slot, said pin having a pulling portion as a top thereof, said pulling portion being protruded from said accommodating seat, said pin being pulled upward into a release state.