Water spray gun

摘要

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 (7b) and double water hole (7a). The valve switch includes: a button (1), a pressing piece (2) including a unilaterally oblique plane, a rear plate (3) including an inner guide rail, a rotating piece (4) including a unilaterally oblique plane, a first spring (5), a front sealing ring (21), a switch rotating core (6), and a double sealing ring (20). The device for switching a spray pattern includes a water spray cap (15), a water spray plate (14), a decentered interface (13), a second spring (12), a wedge rotating piece (11) for water diversion including a plurality of negative wedge blocks (11b) each including a negative wedge (11a), a wedge push rod (10) including a plurality of positive wedge blocks (10a) each including a positive wedge (10b), a housing (9) of a gun head, and a trigger (8).