Shock absorption and noise reduction device for fan

The utility model discloses a fan shock absorption and noise reduction device, which belongs to the technical field of fan equipment, and comprises a fan main body, the fan main body comprises a casing, fan blades and a power source, the outer wall of the power source is provided with a support rod supported in the casing, one end of the casing close to the fan blades is an air outlet, a shock absorption mechanism comprises a ferrule arranged on the periphery of the casing, and the ferrule and the casing are coaxial. A plurality of mounting grooves with openings facing the machine shell are formed in the ferrule along the circumference, supporting columns facing the machine shell are arranged in the mounting grooves, U-shaped cylinders with openings facing the machine shell are arranged at the ends, away from the mounting grooves, of the supporting columns, first springs facing the machine shell are arranged in the U-shaped cylinders, damping columns are arranged at the tail ends of the first springs, and rub