How does the free wheel work?
1. The free wheel is in the "FREE" position
The automatic hub is in the "FREE" position, the sliding gear is separated from the driving gear, the hub housing and the sliding gear, the positioning bracket and the micro-motion spring as a whole rotate with the wheel; the drive shaft, the drive gear, the hub cover and the like are stationary.
2 Change from the “FREE” position to the “LOCK” position
The rotation of the drive shaft is transmitted to the drive gear, the drive gear drives the drive to rotate; the drive disc rotates the elastic drive ring, and then drives the thrust disc; at this time, the convex portion of the cam disc is in the groove of the thrust disc under the action of the thrust disc Being pushed out; the movement of the cam disc causes the sliding gear to move under the action of the cam, the internal teeth are connected to the driving gear, and the external teeth mesh with the housing; the automatic hub changes from the "FREE" position to the "LOCK" position; When the automatic hub is in the "LOCK" position, the drive shaft, the drive gear, the drive plate, the cam plate, the sliding gear, the thrust plate, the elastic drive ring and the hub housing rotate as a whole, and the hub cover does not occur under the action of the steering knuckle Turn.
3. When the free wheel is in the "LOCK" position
When the free hub is in the "LOCK" position, the rotation of the drive shaft is transmitted to the wheels.