Pressurized micro oral irrigator water pump

The invention provides a supercharged micro oral irrigator water pump which comprises a water pump cover, a shell, a motor cover, a pump body and a motor, the shell is fixedly connected below the motor cover, the water pump cover is fixedly connected below the shell, the motor is installed between the motor cover and the shell, the pump body is fixedly connected below the shell, and the output end of the motor is fixedly connected with a transmission device. The transmission device and the pump body are installed in a matched mode, a water inlet and a water outlet are formed in the surface of the pump body, a first water stop piece is installed in the water inlet, a second water stop piece is installed in the water outlet, the water inlet is communicated with the water outlet, and a piston is installed in the pump body in a sliding mode and fixedly connected with the transmission device. Dustproof rubber is fixedly connected to the side, close to the water pump cover, of the surface of the pump body, the seco