ES1046192U - Device for spray guns. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Device for spray guns, of spray guns operating by pressure, suction or gravity and having an air valve system (2) and the shutter of the sprayed fluid outlet, or fluid needle (3), which it is established on the same axis and is jointly actuated by a trigger (4) actuated by the user, whose fluid needle (3) runs from front to back, first, passing through an immediate product chamber (5) to the projection nozzle ( 6), second, coming out of the body (1) of the pistol where an intermediate section of this fluid needle (3) passes through said actuator trigger (4) and is slidably sheathed in a guide sleeve (7), third, penetrating by means of said guide bushing (7) in the exit chamber (8) of said air valve (2) and passing through it, fourth, passing through a stopper of this air valve (2) that is mounted under pressure on said bushing- guide (7), fifth, going through the inlet chamber (9) of said air valve (2), and sixth, leaving behind this air intake chamber (9) until reaching the external control knob of the projected product quantity, or product regulator ( 10), characterized in that said product chamber (5) is closed by a first press (11) that is screwed through the wall of the body (1) of the gun and incorporates a first tubular core of soft elastoplastic nature ( 1 2) that is pressed with sliding fit around said fluid needle (3), whose first soft elastoplastic tubular core (12) is prolonged forwardly by a first tubular lip (13) that tapers progressively towards its tip. (Machine-translation by Google Translate, not legally binding)