Patent ID: 7543762
Filing Date: 2009-06-09
Classification: B05B

Abstract:
1. A spraying gun, comprising: a gun body having a first end having an inside provided with an inlet channel and a periphery provided with an outlet hole connected to the inlet channel and a second end having an inside provided with an outlet channel and a periphery provided with an inlet hole connected to the outlet channel; a first seal ring mounted on the gun body; a second seal ring mounted on the gun body; a spraying head mounted on the second end of the gun body and having a first nozzle connected to the outlet channel of the gun body; a control pipe rotatably and movably mounted on the gun body and having a first end provided with a second nozzle surrounding the spraying head, a second end provided with a first sealing portion detachably pressing the first seal ring to open or close a connection between the outlet hole and the inlet hole of the gun body and a mediate portion provided with a second sealing portion detachably pressing the second seal ring to open or close a connection between the inlet hole of the gun body and the second nozzle of the control pipe; an outer casing mounted on the gun body to limit a movement of the control pipe; wherein the gun body is provided with an outer thread, an outer threading and an annular stop flange located between the outer thread and the outer threading; the outer casing has an inner wall having a first end provided with an inner threading screwed onto the outer threading of the gun body and a second end provided with a protruding stop edge; the second end of the control pipe is provided with an inner thread screwed onto the outer thread of the gun body and has an end portion provided with a protruding stop rim that is limited and movable between the stop flange of the gun body and the stop edge of the outer casing.