Speed reducer with waterproof mechanism

The speed reducer with the waterproof mechanism comprises a speed reducer body, the speed reducer body comprises a shell and a fixing cover, the fixing cover is fixedly installed at one end of the shell through first screws, the fixing cover is of a barrel-shaped structure with one end open, heat dissipation holes are formed in one side of the fixing cover, and the heat dissipation holes are communicated with the shell. The heat dissipation holes are uniformly distributed, a waterproof assembly is installed on the inner side of the fixing cover, the waterproof assembly is arranged on one side of the heat dissipation holes, the waterproof assembly comprises a fixing plate and a waterproof breathable film, the fixing plate is installed on the inner wall of the fixing cover, and the waterproof breathable film is installed on one side of the fixing plate through second screws. According to the speed reducer, the waterproof mechanism is additionally arranged on the structure of the speed reducer, water cannot easi