Control set for adjusting angle of swing of electric fan

[0008] Below with embodiment and accompanying drawing, the present invention is described in further detail:

[0009] Refer to 1 to image 3 , the present invention includes a set of worm screw 7, worm gear 6, driving (end) gear 5 reduction mechanism that obtains power from the motor shaft, a set of planet carrier 9, planetary shaft 12, planetary gear 13, sheath 15, eccentric pin shaft 11 1. The variable-length crank mechanism of the fan head consisting of the connecting rod 10, the mandrel 17 and the hollow shaft 16 are concentrically assembled, the lower part of the mandrel 17 is connected to the sun gear 14, the lower part of the hollow shaft 16 is connected to the planet carrier 9, and the upper part of the hollow shaft 16 is connected Driving (end) gear 5, mandrel 17 tops connect pawl seat 19, and pawl seat 19 is equipped with ratchet 18 and back-moving spring 23, and a small cylinder 21 is connected with system above ratchet 18, and ratchet 18 is on back-moving spring 23 M