Modular energy -saving fan

The utility model discloses a modular energy -saving fan, the on -line screen storage device comprises a base, the top fixed mounting of base has the dead lever, and the square groove has been seted up on the top of dead lever, and slidable mounting has the movable rod in the square groove, and outside the top of movable rod extended to the square groove, the top of movable rod was equipped with driving motor, and fixed mounting has the flabellum on driving motor's the output shaft, the circular slot has been seted up to the bottom of movable rod, and movable mounting has the pivot in the circular slot, and outside the bottom of pivot extended to the circular slot, fixed mounting had servo motor, servo motor's output shaft and pivot welded fastening on the bottom inner wall of square groove. The utility model discloses simple structure, convenient to use uses energy -saving fan when the co -altitude space does not ventilate when needs, can adjust the height of flabellum through the mode of electrical control,