Patent ID: 8419580

Claim:
An electric wheel for electric vehicles, comprising: a rim ( 10 ) having a tire ( 20 ) connected to an outer periphery thereof and multiple connecting member ( 11 ) connected to an inside of the rim ( 10 ); each of the multiple connecting member ( 11 ) being board-like member and having a first end ( 110 ) being fixed to the inside of the rim ( 10 ), and a second end ( 111 ) extending toward a center of the rim ( 10 ) and connecting to each other to form a first fixing portion ( 112 ) which is a star-shaped portion; and a hub motor ( 30 ) located at the center of the rim ( 10 ) and having a shaft ( 32 ), a rotor ( 33 ) and a stator ( 34 ), the shaft ( 32 ) located on an central axis of the rim ( 10 ) and two ends of the shaft ( 32 ) adapted to be fixed to a vehicle frame ( 60 ), the rim ( 10 ) having multiple batteries ( 40 ) and a control device ( 50 ) connected thereto, the control device ( 50 ) receiving a wireless command signal and generating a control signal to control the battery ( 40 ) to provide power to the hub motor ( 30 ), and to allow the rotor ( 33 ) to rotate about the stator ( 34 ) and to allow the rim ( 10 ) to rotate about the shaft ( 32 ); wherein the multiple batteries being connected to multiple boxes respectively, each box ( 41 ) having multiple batteries ( 40 ) received therein, each box ( 41 ) being fixed to one connecting member ( 11 ) of the rim ( 10 ) and located outside of the hub motor ( 30 ), each connecting member ( 11 ) having a recess ( 114 ) defined in a surface thereof and the box ( 41 ) being received in the recess ( 114 ); the boxes ( 41 ) being connected to each other to form as a star-shaped combination and a circular hole ( 42 ) being defined in a center of the star-shaped combination, the hub motor ( 30 ) extending through the circular hole ( 42 ), the boxes ( 41 ) being located in radial directions of the rim ( 10 ) respectively.