Cup washer

The utility model discloses a cup washing device, and belongs to the field of daily necessities. The device comprises a driver (1), a main shaft (2) and a brush rod (5), the driver (1) is connected with one end of the main shaft (2) and drives the main shaft (2) to rotate, the other end of the main shaft (2) is slidably connected with one end of the brush rod (5), the brush rod (5) can rotate along with the main shaft (2), and the other end of the brush rod (5) is provided with a brush head (15); the brush further comprises a sliding controller which can enable the brush rod (5) to slide backand forth in the axial direction of the main shaft (2). The device is simple in structure, the brush rod (5) of the device can rotate along with the main shaft (2) and can also slide in the axial direction of the main shaft (2), and the sliding distance of the brush rod (5) is limited by arranging the sliding controller. Therefore, the cup wall can be cleaned by sliding the brush rod (5) back andforth during actual use of