Abstract: An adjustable stand fan includes a fan casing, a switch box, a lifting pipe, and a large chassis. The fan casing is fixed with an adjusting seat and is installed on the switch box through bolts. The switch box is mounted on a top of the lifting pipe that is vertically installed on a top of the large chassis. The lifting pipe includes a fixed end. External threads are on a bottom of the fixed end of the lifting pipe. A threaded hole matched with the fixed end of the lifting pipe is on a top center of the large chassis. A pitch angle adjusting mechanism is disposed in a joint between the adjusting seat and the switch box.

Abstract: This invention is about an adjustable stand fan that is composed of fan casing, switchbox, lifting pipe and large chassis, therein, the fan casing is equipped with fixed adjusting seat; the lifting pipe is engraved with fixed end that has external thread on its bottom; there is threaded hole matched with fixed end in the top center of large chassis; There is pitch angle adjusting mechanism in the joint between adjusting seat and switchbox; With WIFI module, this invention can online control the fan through mobile terminal. The adjusting gears are installed on the axle of driving motor in switchbox, so as to rotate adjusting gears via mobile terminal, in such case, the fan casing is rotated.