Silencing cover for motor

The utility model belongs to the technical field of motor accessories, and particularly relates to a silencing cover for a motor, which comprises a cover body, a front closing plate arranged at the front end of the cover body, a first circular fixing hole formed in the center of the front closing plate, and a second circular fixing hole formed in the center of a rear closing plate. A first sound insulation layer adheres to the inner wall of the cover body, the inner wall of the front sealing plate and the inner wall of the rear sealing plate, a second sound insulation layer adheres to the surface of the first sound insulation layer and is in a wave shape, a suspended S-shaped heat exchange pipe is arranged in the cover body and fixed to the inner top wall of the cover body through a vertical rod, and a water inlet and a water outlet are formed in the upper surface of the cover body. The water inlet and the water outlet are connected with the two ends of the S-shaped heat exchange pipe respectively. According