Spray nozzle device of water spray gun

The utility model discloses a spray nozzle device of a water spray gun. The spray nozzle device is characterized in that a water outlet head is arranged at one end of a central pipe, and a pipe connector is arranged at the other end of the central pipe; the water outlet head of the central pipe extends out of the water outlet of a spray nozzle; the spray nozzle is sleeved and fixed with a connecting sleeve; the central pipe is simultaneously sleeved with the spray nozzle and the connecting sleeve; a seal block and a bolt head are arranged on the central pipe between the water outlet head and the pipe connector; the seal block is arranged between the water outlet head and the bolt head; the water outlet head, the seal block and the bolt head are positioned in the spray nozzle; the bolt head is in threaded connection with the spray nozzle; the seal block closely fits the inner wall of the spray nozzle; a baffle block is arranged on the central pipe between the pipe connector and the bolt head; a limiting block, which has a limiting effect on the central pipe and is matched with the baffle block, is arranged on the inner wall of the connecting sleeve; an annular groove for accommodating a seal ring is formed in the seal block. According to the spray nozzle device, the working efficiency is improved, the process difficulty in a manufacturing process is lowered, the sealing effect of the spray nozzle device is relatively good, and the use effect of the water spray gun is improved.