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    • 6. 发明专利
    • Water-spraying nozzle
    • 喷水喷嘴
    • JP2013180292A
    • 2013-09-12
    • JP2012048344
    • 2012-03-05
    • Takagi Co Ltd株式会社タカギ
    • SUNABA TAKAYUKIYUGAWA DAIKI
    • B05B1/18
    • B05B12/002B05B1/1627B05B1/18B05B1/3013B05B9/01
    • PROBLEM TO BE SOLVED: To lessen the operation load of an operation lever even in high water pressure at the cutoff point in a water-spraying nozzle.SOLUTION: A water-spraying nozzle 1 includes: a nozzle body 6 having a water channel 10 in the inside; an operation lever 15 installed while made movable to and from the nozzle body 6; a switching valve 13 for opening or closing the water channel 10; and a relay lever 16 having a supporting point part 17 supported in the nozzle body 6 in a rotatable manner, power point parts to be brought into contact with the operation lever 15 and a working point part 20 to be brought into contact with the switching valve 13, wherein the relay lever 16 is rotated corresponding to the positioning relation of the operation lever 15 and the nozzle body 6 to open or close the switching valve 13. Two or more power point parts 18 and 19 each at different points from the supporting point part 17 are formed in the relay lever 16; at the cutoff position of the switching valve 13, the power point part 18 formed furthest from the supporting point part 17 is brought into contact with the operation lever 15; and at a point at which the opening degree of the switching valve 13 becomes higher than a prescribed degree, another power point part 19 is brought into contact with the operation lever 15.
    • 要解决的问题:即使在喷水嘴中的截止点处的高水压下也可以减轻操作杆的操作负荷。解决方案:喷水嘴1包括:喷嘴体6,其具有水通道10 里面 安装在可移动到喷嘴体6上的操作杆15; 用于打开或关闭水道10的切换阀13; 以及具有以可旋转的方式支撑在喷嘴体6中的支点部17的中继杆16,与操作杆15接触的动力点部和与切换阀接触的工作点部20 如图13所示,其中继电器杆16根据操作杆15和喷嘴主体6的定位关系而旋转以打开或关闭切换阀13.两个或多个功率点部件18和19各自与支撑点 部分17形成在继电器杆16中; 在切换阀13的切断位置,与支点17最远的动力点部18与操作杆15接触, 并且在切换阀13的开度变得高于规定值的点处,另一个动力点部19与操作杆15接触。