This creation system provides a kind of structural improvement of water pistol,Its feature the what water pistol primary structure system include one water spray gun main body,One fountain head,One overturning type positioning member,One prevents rotating unit and one prevents the be total to structure of breaking unit from forming,And this creation is to switch the fountain head by the overturning type positioning member in fixed or detachable state,The clicking section of the switch overturning type positioning member is mainly utilized,This can be made to prevent the first positioning region inlay card set by breaking unit from positioning the what engaging section,Use can reach prevent fountain head from disengaging forward,The axial positioning function fallen,And when water spray portion set by user adjusts the fountain head,The stationary state of the fountain head is all unaffected,Be used for a long time it is lower can make fountain head holding strong fix what water spray gun main body without departing from,Further reach the preferable Practical Benefit for promoting product practicability and ease of use being substantially improved.本創作係提供一種噴水槍之結構改良，其特點在於該噴水槍主要結構係包括一噴水槍主體、一噴水頭、一撥轉式定位構件、一防止轉動單元以及一防止脫開單元所共構而成，而本創作即是藉由該撥轉式定位構件來切換該噴水頭呈固定或可拆卸狀態，主要是利用撥轉該撥轉式定位構件之撥動部，能夠使該防止脫開單元所設第一定位部嵌卡定位於該卡合區段，藉以能夠達到防止噴水頭向前脫開、掉落的軸向定位功能，且當使用者調整該噴水頭所設噴水部時，該噴水頭的固定狀態皆不受影響，長期使用下能使噴水頭保持穩固定位於該噴水槍主體而不脫離，進一步達到提升產品實用性以及大幅提升使用便利性之較佳實用效益。
