Pneumatic switching breaker structure of nailing gun shaving ability of supplying gasket

The utility model discloses a pneumatic switch mechanism for the nailing machine with the pad supplying ability, consisting of a vent channel provided on the head of the nailing gun and the other valve channel, a switch bar is assembled in this valve channel, and all of which form a switch on the gun head. In the mean time, an air outlet is provided at one side of the valve channel, a pneumatic pipe is pivoted with the air outlet, and the vent channel, and the valve channel and the air outlet form a communicating pass. The switch rod makes a switch action in the valve channel to control the communicating pass to be in open or closed condition. The switch is applied for the nailing gun to supply pads, and the nail gun has the function of start-stop action to automatically switch the pad impelling mechanism.