Abstract: A nail blocking member for a nail gun. The nail gun includes a firing portion for firing a nail. When an object is pressed upon the nail blocking member by the firing portion, the nail is fired by the firing portion to enter the object. The nail blocking member includes a main body having a contact face, with a formation groove concavely disposed on the contact face, and a guiding block protruding from the formation groove. An object is pressed upon the contact face by the firing portion, and a nail is fired by the firing portion to enter the object to hit the guiding block, such that the nail is guided by the guiding block to move toward the formation groove, so as to be bent along the formation groove and reversely folded back into the object.

Abstract: A safe nail gun includes a main body, a safety unit, a trigger device, and a clutch unit. The clutch unit has a moving member, a guide piece, and a retainer. The guide piece has a moving segment and a detaching segment. The moving member is connected to the retainer. Upon operation of the trigger device, the retainer drives the safety unit to slide along the moving segment. When one end of the safety unit abuts against an object, the trigger device is enabled to activate ejection of a nail into the object. When the trigger device is continuously operated and the safety unit does not contact an object, the retainer slides from the moving segment to the detaching segment, so the trigger device is disabled to activate ejection of any more nail, thereby ensuring safe use of the nail gun.

Abstract: A nail gun structure includes a body portion including a punch portion; an air cylinder between the body portion and a swaying clamp arm, and having a telescopic rod pivotally connected with the clamp arm, the air cylinder having a piston, a first bore and a second bore disposed along an axial direction of the telescopic rod, the piston connected with the telescopic rod and reciprocating to control the communication of the second bore; and a control valve disposed between the air cylinder and the body portion, and having a tube set connected with an air source and also between the air cylinder and the body portion. When the air source and the tube set communicate with the first bore, the piston moves to allow the communication of the second bore. After the clamp arm clamping a wooden board, the punch portion punches to launch the nail.