POWER ASSISTING DEVICE AND BICYCLE USING SAME

摘要

The power assisting device includes driver with a rotary axis, a main gear, a first transmission rod, a first bevel gear, a second bevel gear, a first rotating rod, a third bevel gear, and a first driving wheel. The main gear is driven by the driver to rotate about the rotary axis. The first transmission rod extends along a direction perpendicular to the rotary axis. The first bevel gear and the second bevel gear are separately sleeved on the transmission rod. The first bevel gear is engaged with the main gear. The first rotating rod extends along a direction parallel to the rotary axis. The third bevel gear is sleeved on the first rotating rod and is engaged with the second bevel gear. The first driving wheel is coupled to the first rotating rod for assisting a wheel of a vehicle to move forward.

主权项

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 sleeved on the first transmission rod and engaged with the main gear; a second bevel gear sleeved on the first transmission rod and spaced 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 sleeved on the first rotating rod and engaged with the second bevel gear; and a first driving wheel coupled to the first rotating rod and spaced apart from the third bevel gear, wherein the first driving wheel is configured to assist in rotation of a wheel of a vehicle.