Sprayer is a kind of common spray equipment, which can atomize liquid and is widely used in household, agricultural, medical and other occasions. With the continuous advancement of technology, there are more and more types of sprayers. Common manual sprayers pass the wrench. The liquid atomizing spray is sprayed out. The existing medical hand-held sprayer is mainly composed of a gun body, a cover, a large ring, a straw, a piston, a head cap, a water dividing head, a wrench, etc., and the liquid is continuously pressed by continuously pressing the wrench. Sprayed in a mist. However, the existing medical hand-held sprayer is not well designed on the nozzle, the flow rate of the liquid sprayed by the nozzle cannot be adjusted arbitrarily, and the limited nozzle on the object farther from the hand can not be closer. Spraying can only be sprayed at a shorter distance, and the spray is more functional.

In view of the problems in the related art, no effective solution has been proposed yet.

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