Abstract: An air volume adjustment knob for a spray gun is provided at the rear end of the spray gun, a threaded opening connected through an airway to accommodate a tube, a ring, a bonnet, a spring and a bolt; a hole being provided in the tube; a shaft containing a screwed hole being protruded from one end of the tube; a polygonal block being formed at the end of the shaft; the ring with a threaded section being sleeved onto the shaft of the tube; a retaining hole being axially formed in the center of the bonnet; and an index being protruded from the bonnet; thus, the ring and the tube being fixed to the opening then secured with the bonnet in relation to the polygonal block of the tube to merely fix the tube to the opening with the ring and to control on and off of the airway through the hole of the tube by turning the bonnet.

Abstract: The structure of a spray gun of the present invention is basically composed of a hook, a pin, a spray gun and a retaining ring. The top portion of the spray gun has a trough to receive the hook therein. The trough has a connecting ridge at one end with a through hole at the center portion thereof. The hook comprises a hole at one end, in correspondence to the through hole of the connecting ridge, and is secured by inserting a pin through the hole of the hook and the through hole of the connecting ridge, this allows the hook to change its angle position with respect to the trough.

Abstract: A spray gun paint container includes an L-shaped connector, a horizontal connector, and a spray gun along with the paint container, whereas the front end of the spray gun is integrally formed with a top connecting head which is connected with the L-shaped connector which then connected with the horizontal connector and the paint container is in turn connected with the horizontal connector, thus the container is able to rotate in 360 degrees with respect to the horizontal connector, and the L-shaped connector is also able to rotate in 360 degrees with respect to the spray gun, and hence the container is able to rotate with respect to the spray gun.