US Patent 9878337 Sprayer

A sprayer includes a body which has a neck, of which an inner sectional area becomes gradually smaller as it goes towards a front side, on a front side of the blower module assembly, a chemical container that includes a chemical container top which has a check valve in the interior thereof, and a chemical discharge hole that is formed at a lower portion thereof, a blower module that is installed in the blower module assembly such that exterior air passes through the neck, a feeding pump that is connected to the chemical discharge hole by a connection pipe, an ejection nozzle assembly that connected to the feeding pump by a connection pipe, and a tube-shaped fixing cap are separated from and coupled to an end of the neck of the body.