Pet water fountain with clean and dirty water separation

A pet water fountain with clean and dirty water separation, comprising a shell;

• a clean water tank arranged on one side of the shell;
• a dirty water tank arranged on the other side of the shell;
• a water outlet tube mounted on the shell and located above the dirty water tank;
• a water pump arranged inside the shell, the water pump being connected to the clean water tank and the water outlet tube respectively through a communicating tube;
• a drinking tray assembly rotatably arranged on the shell, the drinking tray assembly being arranged below the water outlet tube and above the dirty water tank;
• a rotating member rotatably arranged on the shell;
• and
• a driving member arranged inside the shell and in transmission connection with the rotating member;
• wherein the rotating member comprises a rotating sleeve and a swing arm connected thereto, the rotating sleeve being rotatably arranged on the shell, the swing arm having a sliding rod, the drinking tray assembly having a sliding rail groove adapted to the sliding rod, and the drinking tray assembly having a rotating shaft inserted into the shell;
• and the driving member drives the rotating member to rotate, causing the sliding rod to slide along the sliding rail groove and the drinking tray assembly to rotate around the rotating shaft, so as to pour dirty water in the drinking tray assembly into the dirty water tank.