PROBLEM TO BE SOLVED: To provide a water spray nozzle which has an on-off valve locking mechanism comprising a lock piece and a lock receiving member and can prevent partial wear of the lock piece.SOLUTION: The water spray nozzle includes: the locking mechanism which comprises the lock piece 18 provided in a nozzle body 7 and the lock receiving member 17 provided in an on-off valve operation lever 15, forming a sliding path 21 along which the lock piece 18 slides according to the approaching/leaving of the operation lever 15, and projecting a locking recess 22 in the sliding path 21 to hold a positional relation between the operation lever 15 and the nozzle body 7 by being locked by the locking piece 18 and an elastic member 7e which mounts the lock piece 18 movably in a vertical direction and supports the lock piece 18 at a predetermined height.COPYRIGHT: (C)2013,JPO&INPIT【課題】係止片と係止受け部材とからなる開閉弁のロック機構を有する散水ノズルにおいて、係止片の偏摩耗を防止することができる散水ノズルを提供する。【解決手段】ノズル本体7に設けた係止片18と、開閉弁の操作レバー15に設けられ、操作レバー15の接近離間に伴って係止片18が摺動する摺動路21を形成するとともに、この摺動路21中に係止片18が係止して操作レバー15とノズル本体7との位置関係を保持する係止凹部22を凹設した係止受け部材17とからなるロック機構を設け、係止片18を上下方向に可動に設置するとともに、係止片18を所定高さに支持する弾性部材7eを設けた。【選択図】図6
