This utility model provides a
water pumping device, comprising: a main body with a water outlet
pipe, the first end of which is connected to a
water source; a water outlet arm rotatably connected to the main body, capable of unfolding and folding relative to the main body, the water outlet arm having a water outlet connected to the second end of the water outlet
pipe for supplying water to the outside; a return
pipe disposed in the main body, the main body having a return water inlet connected to the outside, the first end of the return pipe connected to the return water inlet; and a purification device, the inlet of which is connected to the second end of the return pipe, and the outlet of which is connected to the
water source; wherein, when the water outlet arm is in the folded state, the water outlet can connect and communicate with the return water inlet. This device can purify the water in a
storage tank, preventing
water pollution and
bacterial growth, thus improving the safety of drinking water for users.