US 10,890,411 B1
Spray nozzle
Bo Chen, Guangdong (CN)
Assigned to Shantou P&C Plastic Products Company Limited, Shantou (CN)
Filed by Bo Chen, Guangdong (CN)
Filed on Dec. 17, 2019, as Appl. No. 16/716,541.
Claims priority of application No. 2019 2 1432512 U (CN), filed on Aug. 30, 2019.
Int. Cl. F41B 9/00 (2006.01); B05B 7/10 (2006.01)
CPC F41B 9/0075 (2013.01) [B05B 7/10 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A spray nozzle comprising:
an outer tube, the outer tube being disposed along front and rear directions;
an inner tube, the inner tube being disposed in a cavity of the outer tube, and a front end of the inner tube protruding from a front end opening of the outer tube;
a sleeve, the sleeve being mounted on an outer side of the outer tube;
a partition plate being disposed in a cavity of the inner tube, the partition plate and an inner wall of the front end of the inner tube together encircling to form an opened diversion groove;
a groove wall of the opened diversion groove being disposed with a plurality of notches;
an outer side surface of the inner tube being disposed with a plurality of guide vanes arranged along a circumferential direction of the inner tube;
an outer edge of each of the plurality of guide vanes contacting and fitting with an inner side surface of the outer tube;
a space between the outer tube and the inner tube being divided by each of the plurality of guide vanes into a plurality of diversion cavities along front and rear directions, each of the plurality of diversion cavities respectively communicating with a cavity of the opened diversion groove through the corresponding notch;
an inner side surface of the sleeve making sealing contact with an outer side surface of the outer tube;
a front end of the sleeve being provided with a sealing plate; and
a rear side surface of the sealing plate contacting and fitting with a groove opening edge of the opened diversion groove, the sealing plate being provided with a water jet hole, the water jet hole communicating with a groove opening of the opened diversion groove.