US 12,403,493 B2
All-plastic spray gun
Cheng Hang, Ningbo (CN); and Gongshun Duan, Ningbo (CN)
Assigned to NINGBO JINYU TECHNOLOGY INDUSTRY CO., LTD., Ningbo (CN)
Filed by NINGBO JINYU TECHNOLOGY INDUSTRY CO., LTD., Ningbo (CN)
Filed on Sep. 28, 2023, as Appl. No. 18/373,978.
Application 18/373,978 is a continuation of application No. PCT/CN2023/115077, filed on Aug. 17, 2023.
Prior Publication US 2025/0058340 A1, Feb. 20, 2025
Int. Cl. B05B 11/10 (2023.01)
CPC B05B 11/1077 (2023.01) [B05B 11/1009 (2023.01)] 10 Claims
OG exemplary drawing
 
1. An all-plastic spray gun, comprising a housing, wherein the housing is connected to a gun body, a front end of the gun body is connected to a header cap, the header cap is connected to a water division head body, a spring water division rod is inserted into the water division head body, a cover body is inserted into the spring water division rod, the water division head body is inserted into the gun body, the gun body is hinged to a trigger, the trigger is connected to a piston, the piston is slidably connected to a negative pressure column of the gun body, an upper end of the negative pressure column is provided with a plastic spring, the plastic spring is sleeved outside the gun body, a bottom end of the gun body is connected to a blank cap, the blank cap is connected to a large ring, a perforative suction tube is inserted into the blank cap, the suction tube is connected to the gun body, the gun body is provided with a water outlet hole corresponding to the suction tube, and the gun body is internally provided with a glass bead in the water outlet hole.