Water spray gun having an improved sprinkling cap for garden hose

摘要

A water spray gun having an improved sprinkler head structure for use on a garden hose. The sprinkler head has a head body and a sprinkling cap and a bottom plate that are joined together by way of ultrasonic welding art. The sprinkling cap is rotatably mounted onto the head body having a water outlet. The sprinkling cap has a peripherally ring area having a plurality of sprinkling pores and a number of water discharge holes of various geometric shapes. Each water discharge hole of the sprinkling cap has a tubular extension and the tubular extensions are bridged by vertical wall sections and an S-shaped wall section to define a closed area. The bottom plate has a plurality of circular holes ending with protruded flanges that defines a closed area in correspondence to that of the sprinkling cap. Or the bottom plate and inside and outside of the closed are are disposed a small rhombic opening in communication with a circular hole of the sprinkling cap and a large rhombic opening in communication with the ring area respective that can be registered with the water outlet of the head body separately or simultaneously so that water can be discharged via the discharge hole or the ring area of the sprinkling cap separately or together.