Abstract: A water spray gun including a gun body. The gun body includes: an inner part including a water channel; an outer part including a handle; an upper part including a spray bar, a water spray plate, a lock button, and a pull rod including a plug; and a lower part including an water stop plug disposed at an distal end thereof, a water stop plate, a water stop spring, a first sealing ring for stopping water, and a second sealing ring for introducing water. The water channel is disposed in the inner part of the gun body. The handle is movably mounted on the outer part of the gun body via a pin. A water sealing position of the water spray gun is disposed at the distal end for keeping the water out of the gun body and for preventing the gun body from becoming stuck and rapturing.

Abstract: A water spray gun, including: a gun body, a valve switch, and a device for switching a spray pattern. The gun body includes: a water passage and double water hole. The valve switch includes: a button, a pressing piece including a unilaterally oblique plane, a rear plate including an inner guide rail, a rotating piece including a unilaterally oblique plane, a first spring, a front sealing ring, a switch rotating core, and a double sealing ring. The device for switching a spray pattern includes a water spray cap, a water spray plate, a decentered interface, a second spring, a wedge rotating piece for water diversion including a plurality of negative wedge blocks each including a negative wedge, a wedge push rod including a plurality of positive wedge blocks each including a positive wedge, a housing of a gun head, and a trigger.