Silent air compressor

The utility model provides a silent air compressor, relates to the technical field of air compressors, and aims to solve the problems that when an existing air compressor is used, a valve at the bottom of an air storage tank of the air compressor needs to be opened regularly to discharge liquid water, and the water is easy to splash to other places due to large pressure in the air storage tank. Sound insulation cotton is mounted on the inner side of the main body, and a guide groove is formed in the front side of the main body; the guide groove is of a circular structure and comprises a vertical rod, fan blades are mounted at the bottom end of the vertical rod, a bevel gear is mounted on the outer side of the vertical rod, and the vertical rod is rotationally mounted at the top of the inner side of the main body; and the movable cavity is formed in the top end of the main body, and the top end of the vertical rod is installed at the bottom of the movable cavity. The buffer part is located at the bottom of the