Patent ID: 7021641

Claim:
A suspension structure for a wheelchair comprising a movable arm, a front cantilever, and a sliding assembly, the suspension structure being disposed between a frame, a driving wheel and a front jockey wheel of a wheelchair; the frame serving as the main body of the wheelchair, wherein at a rear side of the frame is provided a rear wheel; the movable arm is pivotally connected to the frame, and an end of the movable arm is connected to the driving wheel; the front cantilever has a first end equipped with the front jockey wheel and has a second end connected to the frame; and the sliding assembly comprising a pair of slide plates and a shaft, wherein each of the slide plates is defined with a slot, and the slides plates are oppositely arranged and cooperate with a pair of bolts to pivotally connect the movable arm to the front cantilever, and the shaft is slidably disposed between the two bolts.