Fan noise reduction protection mechanism

The utility model relates to the technical field of fans, and discloses a fan noise reduction protection mechanism which solves the problems that noise generated when a fan works affects the environment and harms physical and psychological health of people due to lack of noise reduction protection in the use process of the fan, and the fan noise reduction protection mechanism comprises a noise reduction box, a fan body is mounted in the noise reduction box, a supporting seat is mounted at the bottom of the fan body, an adjusting mechanism is mounted at the bottom of the supporting seat, a positioning seat is mounted at the top of the fan body, first spring damping shock absorbers are symmetrically mounted at the top of the positioning seat, and a sound insulation top cover is mounted at the tops of the first spring damping shock absorbers; connecting screw sleeves are symmetrically and fixedly installed on the sound insulation top cover in a penetrating mode and connected with the adjusting mechanism. Accordi