An improved water sprinkler structure is disclosed. A water-splashing target is pivotally rotated by using a water flow to impact thereon. A water-sprinkling tube is rotated in a direction by using a spring to pull therewith. A switch device, which is utilized to switch the rotation direction of the water-sprinkling tube, comprises a first control member extended into an arc rail and a second control member that are connected to each other via a spring. The second control member is driven by the first control member when the first control member is shifted as contacting one end of the arc rail, thus to relocate the second control member to affect the pivoting stroke of the water-splashing target. Accordingly, the water-sprinkling tube pushed by the water-splashing target is capable of being rotated in an opposite direction in the pivoting process.一種灑水器改良構造,其利用水流衝擊打水靶,令其產生樞轉,並透過彈簧拉動灑水管朝一方向轉動:而灑水管藉由一切換裝置以切換轉動方向,其中此切換裝置具有以一彈簧相連接之第一控制件及第二控制件,此第一控制件伸於一弧形軌中,並在觸及弧形軌一端時產生位移而帶動第二控制件,令第二控制件改變位置而影響打水靶之樞轉行程,藉此,打水靶於樞轉過程中可推抵灑水管朝相反方向轉動。1‧‧‧底座2‧‧‧灑水管21‧‧‧噴口3‧‧‧支架31‧‧‧出水口32‧‧‧阻擋部4‧‧‧軸管41‧‧‧第一彈簧5‧‧‧打水靶52‧‧‧擋水部53‧‧‧翼部6‧‧‧刻度盤61‧‧‧弧形軌7‧‧‧切換裝置71‧‧‧第一控制件72‧‧‧第二控制件721‧‧‧擋止部
