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    • 7. 发明专利
    • Electric actuator
    • 电动执行器
    • JP2013143824A
    • 2013-07-22
    • JP2012002641
    • 2012-01-11
    • Smc CorpSmc株式会社
    • FUKANO YOSHIHIROUMAKADO SHOICHISHIOMI HIROYUKI
    • H02K5/10F16H25/20F16H25/24H02K7/06
    • F16H25/20F16H25/2204F16H25/2418F16H2025/2034H02K5/12H02K7/06Y10T74/18664
    • PROBLEM TO BE SOLVED: To provide an electric actuator that prevents dust etc. produced in a body from being discharged to the outside by securely and uniformly sucking the dust etc.SOLUTION: A body 12 of an electric actuator 10 is provided with a pair of dust collecting pipes 28a, 28b along the axis of a hole part 26, and the dust collecting pipes 28a, 28b are connected to negative-pressure supply ports 50a, 50b provided to an end block 40, and have a plurality of first to fifth suction holes 82, 84, 86, 88, and 90 which are apart from one another along axes of the dust collecting pipes 28a, 28b. Clearances of the first to fifth suction holes 82, 84, 86, 88, and 90 decrease in steps from one end side of the dust collecting pipes 28a, 28b as the side of the negative-pressure supply ports 50a, 50b, to the other end side.
    • 要解决的问题:提供一种防止体内产生的灰尘等通过牢固均匀地吸入灰尘等而排出到外部的电致动器。解决方案:电动致动器10的主体12设置有一对 沿着孔部26的轴线的集尘管28a,28b和集尘管28a,28b连接到设置在端部块40上的负压供给口50a,50b,并且具有多个第一至第五吸附 沿着集尘管28a,28b的轴线彼此分开的孔82,84,86,88和90。 第一至第五吸入孔82,84,88,88,90的间隙从负压供给口50a,50b的一侧向集尘管28a,28b的一端侧逐渐减小, 端面。
    • 8. 发明专利
    • Ball screw
    • 球杆螺丝
    • JP2011190928A
    • 2011-09-29
    • JP2010190658
    • 2010-08-27
    • Nsk Ltd日本精工株式会社
    • OKUBO TSUTOMUYAMAMOTO KAZUFUMI
    • F16H25/24F16H25/22
    • F16H25/2418
    • PROBLEM TO BE SOLVED: To obtain a superior effect of reducing dust generation than conventional ball screws by preventing dust generated within a nut from exiting outside as much as possible. SOLUTION: A ball return path is formed within the nut 1, and ring-like non-contact seals 4 are disposed on both ends of the nut 1 in the axial direction. In addition to a greasing hole 8, a suction hole 7, which penetrates the nut 1 in the radial direction, is formed within the range of the track of the ball 3 (a rolling path formed from the spiral groove 1a of the nut 1 and the spiral groove 2a of a screw shaft 2). COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:通过防止在螺母内产生的灰尘尽可能离开外部,获得比常规滚珠丝杠减少粉尘产生的优异效果。 解决方案:在螺母1内形成球返回路径,并且在螺母1的两端设置有环状的非接触式密封件4。 除了油脂孔8之外,在球3的轨道(由螺母1的螺旋槽1a形成的滚动路径和螺母1的螺旋槽1a形成的滚动路径)的范围内形成有沿径向贯通螺母1的吸入孔7, 螺杆轴2的螺旋槽2a)。 版权所有(C)2011,JPO&INPIT