Shell assembly of motor

The utility model discloses a shell assembly of a motor, which comprises an inner shell and an outer shell, the motor is accommodated in the inner shell, the shell assembly further comprises the outer shell sleeved on the inner shell, and a gap is formed between the outer shell and the inner shell; the outer wall of the inner shell is provided with air holes communicated with the interior of the inner shell, and the inner wall of the outer shell is provided with adsorption cotton used for adsorbing water vapor. The inner shell and the outer shell are arranged, the motor is supported and protected through the inner shell, the adsorption cotton is arranged between the inner shell and the outer shell, water vapor can be well adsorbed, and corrosion and rusting of the inner motor caused by condensed water are avoided; meanwhile, the gap between the inner shell and the outer shell avoids direct contact between adsorption cotton and the motor, and water vapor influence is greatly isolated; and a rolling structure i