1. The free wheel hub is in the "FREE" position
The automatic wheel hub is in the "FREE" position, and the sliding gear is separated from the driving gear. The wheel hub housing, sliding gear, positioning bracket, and micro spring rotate as a whole with the wheel; The drive shaft, drive gear, wheel hub cover, etc. are stationary.
2. Change from the "FREE" position to the "LOCK" position
The rotation of the drive shaft is transmitted to the drive gear, which drives the drive to rotate; Drive the elastic drive ring to rotate the drive disk, and then drive the thrust disk; At this time, the protruding part of the cam plate is pushed out from the groove of the thrust plate under the action of the thrust plate; The movement of the cam plate causes the sliding gear to move under the action of the cam, with the inner teeth connecting the driving gear and the outer teeth meshing with the housing; The automatic wheel hub changes from the "FREE" position to the "LOCK" position; When the automatic wheel hub is in the "LOCK" position, the drive shaft, drive gear, drive disc, cam disc, sliding gear, thrust disc, elastic drive ring, and wheel hub housing rotate as a whole, and the wheel hub cover does not rotate under the action of the steering knuckle.
3. When the free wheel hub is in the "LOCK" position
When the free wheel hub is in the "LOCK" position, the rotation of the drive shaft is transmitted to the wheels.
