| 摘要 |
A spraying device for a lawn sprinkler is equipped with a circular base mount, a coupling board, a rotary sprinkling cover, a central flexible control piece and a water sprinkling blade assembly wherein the center of the circular base mount is disposed a water outlet having a securing hole in registration with the downward protrusion of the coupling board. The thermal meltable ring on the coupling board is used to make the coupling board secured to the rotary sprinkling cover by way of ultrasonic melting art. The inner space of the rotary sprinkling cover is divided into an inner and outer sections. At the center of the rotary sprinkling cover is disposed a cavity for housing of the retaining part, a spring, a support member and a seal ring and a water outlet screen cap of the central flexible control piece. The retaining hole of the screen cap is provided with a rotary shaft for the water sprinkling blade assembly so as to make the blade assembly to be horizontally positioned in the cavity whereby the water can be sprinkled evenly and smoothly from the sprinkling ports without interference or interruption by the blade assembly.
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