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The impeller is one of the key parts in a sprayer

The impeller is one of the most critical parts of the sprayer, which directly affects the spray quality. The impeller consists of the front impeller and the rear impeller, and the front and rear impellers are connected by eight fixed pins. In the rear impeller, each pin hole on both sides of the 1.5 mm thick shoulder to ensure that the front and rear impeller assembly, there is a certain distance between the two. After the front and rear impellers are assembled, one end of the micro-motor shaft is pressed in order to rotate the impeller.

The front and rear impellers are disk-shaped, mainly to prevent the impeller surface bonded with the liquid drops or directly thrown out, resulting in drug damage. In order to make the atomization of the fog point more uniform, in the two impeller outer edge engraved with 36. Half-angle conical denticles, by reducing the adhesion of the film attached to the surface of the impeller, and become the fog point of the fog point of the beginning of the launching point, so that the liquid along it regularly thrown out a thin line of liquid.

One end of the anti-liquid sleeve for the 7 mm diameter hole, tight sets of people in front of the impeller shaft; the other end of the motor casing end of the groove, to prevent the motor shaft exposed to contact with the liquid rust. The anti-liquid sleeve rotates with the impeller at high speed, so that the liquid splashed on it can be thrown out to prevent the liquid from penetrating into the motor and causing corrosion. Grease can be coated inside the anti-liquid sleeve to increase bearing lubrication and improve the service life of the motor.

The nozzle bracket is in the shape of a national column, and it is set inside the handle tube. The upper end of the fork mouth into the bottle support. There are two 4 mm diameter holes on the lower side of the fork, and the five semi-circular grooves on the ear shoulder of the bottle support, so that the nozzle body has five different rotation angles, according to the operational requirements can be adjusted. There is a 3.2 mm diameter hole inside the fork for threading the wire.