Independent noise reducer of barrel type vacuum dust collector

The utility model discloses an independent noise reducer of a barrel type vacuum dust collector. The dust collector comprises a motor fan cavity, an air ventilation pipeline and a noise reducer body, wherein the noise reducer body is mounted between the motor fan cavity and the air ventilation pipeline; the noise reducer body comprises an air hole and a buckle type hook; sponge is arranged on one side, close to the buckle type hook, on the inner wall of the air hole in the bottom surface of the body. The independent noise reducer of the barrel type vacuum dust collector has the advantages of convenience in use and low cost.