Air-cooled water cooler

The utility model belongs to the technical field of water coolers, and particularly relates to an air-cooled water cooler which comprises a bottom plate and a shell arranged on the bottom plate, a cooling mechanism is arranged in the shell and comprises an evaporator, a compressor, a condenser and an expansion valve, the evaporator, the compressor, the condenser and the expansion valve are sequentially connected, the expansion valve is connected with the evaporator, and the evaporator is connected with the compressor. A water tank is arranged on the bottom plate and located outside the shell, and the evaporator is arranged in the water tank. The volume of the water tank arranged outside the shell is not limited by the size of the internal space of the shell, the storage capacity of the water tank is larger than that of the water tank arranged in the shell, the water inlet pipe and the water outlet pipe of the water tank do not need to stretch into the shell to be connected with the water tank, and the water t