Water tank assembly

The utility model discloses a water tank assembly which aims to overcome the defects that an existing water tank is not smooth enough in pushing and retracting, and a driving mechanism is large in size. The water tank comprises a base, an upper cover, a water tank body, a cover plate and a driving assembly, the upper cover and the base form a container for containing the water tank body, the driving assembly comprises a rack, a gear and a driving motor which are in transmission connection, one end of the rack is connected with the water tank body, and the driving motor drives the rack to move in the length direction of the water tank assembly. The water tank body is driven to extend out of or retract into the container. According to the structure, a rack and gear driving mode is adopted, the whole moving process is smooth and constant in speed, the occupied area of a driving part is small, and the space reserved for the water tank body is larger. 本实用新型公开了一种水箱组件，旨在解决现在的水箱推缩不够平顺、驱动机构体积较大的不足。该实用新型包括底座、上盖、水箱本体、盖板