Patent ID: 9637198
Date: 2017-05-02
CPC Classifications: B62M

Claim:
1. A power assisting device comprising: a driver having a rotary axis; a main gear driven by the driver to rotate about the rotary axis of the driver; a first transmission rod extending along a direction perpendicular to the rotary axis; a first bevel gear coupled to the first transmission rod and engaged with the main gear; a second bevel gear coupled to the first transmission rod and spaced apart from the first bevel gear; a first rotating rod positioned below the first transmission rod, and extending in a direction parallel to the rotary axis; a third bevel gear coupled to one end of the first rotating rod away from a wheel of a vehicle and engaged with the second bevel gear; and a first driving wheel coupled to another end of the first rotating rod adjacent to the wheel of the vehicle and spaced apart from the third bevel gear, wherein the first driving wheel abuts against a side surface of the wheel of the vehicle to assist in rotation of the wheel of the vehicle; and wherein the driver comprises a driving body and a driving shaft rotatably coupled to the driving body, the driving body is coupled to one end of the driving shaft away from the wheel of the vehicle, and the main gear is coupled to another end of the driving shaft adjacent to the wheel of the vehicle.