Sprayer
A technology of spraying device and spraying tube, which is applied in the direction of spraying device and liquid spraying device, which can solve the problems of slow filtering speed and poor filtering effect, and achieve good filtering effect
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[0010] Please refer to FIG. 1, the spraying device 10 of the preferred embodiment of the present invention includes a spray gun 102 and a paint tank 104.
[0011] A transverse channel 1022 is provided in the spray gun 102. A piston 1024 is slidably arranged in the transverse passage 1022, and the piston 1024 is closely attached to the inner wall of the transverse passage 1022 so that the gas cannot pass through. A horizontal L-shaped vent pipe 1026 is opened in the piston 1024. An outlet (not shown in the figure) is opened at one end of the transverse passage 1022. An air pipe 106 and an air injection pipe 109 are both connected to the outlet. The air pipe 106 includes a first output port 1062, and the air injection pipe 109 includes a first The input port 1094, the gas delivery pipe 106 and the jet pipe 109 are respectively provided with one-way valves 1064 and 1092. The spray gun 102 is also provided with an exhaust pipe 1027 and an inflation pipe 1028. The exhaust pipe 1027 is ...
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