#$%^&*AU2016101382A420161117.pdf#####Title: WHEEL HUB CLUTCH FOR ELECTRIC WHEELCHAIR CONVENIENT TO USE Abstract The present invention relates to a wheel hub clutch for an electric wheelchair convenient to use.The wheel hub clutch for an electric wheelchair convenient to use is provided, including a wheel hub, a motor shaft, a wheel axle core, and a clutch switch the wheel axle core is fixed to the motor shaft, and the wheel axle core is located in an axial center hole of the wheel hub the clutch switch is located in the axial center hole of the wheel hub and coordinated with the wheel axle core a number of first bulges which are annularly spaced apart are formed on a circumferential edge of the wheel axle core, a number of second bulges which are annularly spaced apart are formed on an end face of a side of the clutch switch, and a number of stepped bulges are formed in a circumference of the axial center hole of the wheel hub limiting columns are formed on part of the stepped bulges, a number of limiting notches are formed on the end face, on which the second bulges are arranged, of the clutch switch, and a limiting column corresponds to a limiting notch the length of the limiting columns along the wheel hub axis is greater than that of the second bulges along the wheel hub axis, and the coordination of the clutch switch with the wheel axle core can locate the second bulges between two first bulges, and can locate the limiting columns in the limiting notches, third bulges are formed on the second bulges, and third grooves which are coordinated with the third bulges are formed on the stepped bulges of the wheel hub the stepped bulges are annularly and uniformly spaced apart, and the number of the stepped bulges is the same as the number of the first bulges and a number of limiting columns are annularly spaced apart. 21
