What is the principle of an automatic fan head swing back and forth?
There is a round at the rear of the fan. At the outer edge of the wheel, the shaft is connected to the frame by means of a connecting piece. The eccentric force produced by the rotation of the wheel acts on the frame and causes the fan to swing the head
The other end of the pendulum button is a gear, and when it goes down, it coincides with the gear that rotates under the fan, so the gear below will push the fan to swing
The first is through the rotor shaft above the worm and the formation of supporting turbine bite, the turbine has an eccentric shaft, eccentric shaft to drive the front and back movement of the connecting rod, fan head to do the left and right swing
The second is to rely on the synchronous motor (with reducer) of the electric fan head swinging, rotating direction of synchronous motor is random, when the resistance will automatically change the direction of rotation, when the swing head to set the position of the synchronous motor will be blocked after back, thus forming a pendulum head phenomenon.
