Miniature back-carried power sprayer

The utility model relates to a miniature back-carried power sprayer. One side of a T-shaped iron frame is provided with a medicine chest, and the other side of the T-shaped iron frame is fixedly provided with a gasoline engine. The upper side of the shaft of the gasoline engine is sheathed with a partial flow pump which is fixed with an impeller which is arranged in the partial flow pump. The water inlet of the partial flow pump is connected with the bottom part of the water inlet medicine chest through a water inlet pipe, and the water outlet of the partial flow pump is connected with a spray rod with a control switch through a water discharging pipe. The top part of the spray rod is connected with the spray head by screws, and the upper side of the medicine chest is provided with suspenders. The utility model has the advantages that the weight is light, the sprayer can be carried on the back, and the partial flow pump is adopted to control the pressure.