Centrifugal fan damping base

The utility model discloses a damping base of a centrifugal fan. Including a base, only a fan is arranged at the top of the base; an air outlet is formed in one end of the fan; and the two sides of the draught fan are provided with an air inlet and a motor shell correspondingly, fixing pieces are fixed to the four corners of the outer wall of the top of the base correspondingly, a fixing plate isdetachably connected between every two adjacent fixing pieces, two detachably-connected fixing rings are arranged outside the motor shell, and rubber pads are fixed to the inner walls of the fixing rings. According to the utility model, the two fixing rings which are detachably connected are arranged outside the motor shell of the fan; a rubber pad is bonded to the inner wall of the fixing ring and makes contact with the outer wall of the motor shell, the outer wall of the fixing ring is fixedly connected with the fixing plate through a connecting piece, the damping effect on the motor shell is improved through the ru