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    • 7. 发明授权
    • Stop valve-carrying rotary nozzle for machine tools
    • 用于机床的止回阀旋转喷嘴
    • US4850540A
    • 1989-07-25
    • US165502
    • 1988-03-08
    • Shoichi Taniguchi
    • Shoichi Taniguchi
    • B05B1/30
    • B05B1/3026
    • There is provided a stop valve-carrying rotary nozzle for a machine tool designed to eject a fluid onto the portion of a work which is being worked thereby improving the work-cooling and cutting efficiency of the machine tool.The present rotary nozzle consists of a nozzle body having a throughbore and a spherical member having a throughbore that is in turn fitted within the fluid outlet side of said throughbore of the nozzle body with a sealing O-ring being interposed between the spherical member and the throughbore of the valve body, while allowing a free rotation of the spherical member on its own axis therein. Upon the spherical member having been fitted within the throughbore of the valve body, the annular edge of the valve body is inwardly bent by calking to surroundingly engage the outer half surface of the spherical member, while a portion of the thus inwardly bend annular edge is provided a recess longitudinally extending above and beyond the center of the spherical member and having a width slightly greater than the diameter of the throughbore of the spherical member so that when the rotary nozzle is to be made inoperative, a rod like plug is inserted from outside into the opening mouth of the throughbore of the spherical member and then moved together with the thus fitted spherical member until the plug is inserted between said recess.
    • 提供了一种用于机床的截止阀携带旋转喷嘴,其设计成将流体喷射到正在加工的工件的部分上,从而提高了机床的工作冷却和切割效率。 本旋转喷嘴由具有通孔的喷嘴主体和具有通孔的球形部件组成,该通孔又装配在喷嘴体的所述通孔的流体出口侧内,密封O形环插入在球形部件和 同时允许球形构件在其自身轴线上自由旋转。 在球形构件已经装配在阀体的通孔内时,阀体的环形边缘通过铆接而向内弯曲以围绕与球形构件的外半表面接合,而一部分如此向内弯曲的环形边缘是 提供了纵向延伸到球形构件的中心之上并且超出球形构件的中心的凹部,并且具有略大于球形构件的通孔直径的宽度,使得当旋转喷嘴不工作时,将杆状塞子从外部插入 进入球形构件的通孔的开口,然后与如此配合的球形构件一起移动,直到插头插入在所述凹部之间。