Portable timed booster water pump

The utility model discloses a portable timed booster water pump which comprises a pump body, a fixed cover, a motor and an impeller, wherein the pump body is hermetically connected with the fixed cover to form a pump cavity; the motor is arranged outside the pump cavity and fixed on the fixed cover; the impeller is arranged in the pump cavity and connected with the motor; the pump body is provided with a water injection port; the pump cavity is internally provided with a water flow guide device which is formed by connecting a water receiving bottom cover and a water receiving top cover; the impeller and a fixed plate on the impeller are combined into an impeller device; a water outlet top cover covers the exterior of the impeller device and is fixedly arranged on the fixed cover; the lower end of the water receiving bottom cover of the water flow guide device is provided with a water inlet communicated with a water inlet of the pump body; and the water flow guide device is provided with two water outlet, one