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    • 1. 发明专利
    • Switch gear
    • 开关齿轮
    • JPH11273512A
    • 1999-10-08
    • JP7994098
    • 1998-03-26
    • Mitsubishi Electric Corp三菱電機株式会社
    • SATO SHINJIFUJII HARUHISAKOYAMA KENICHIKIMURA TOSHINORIITO TAKEFUMIKAWAMATA IWAOSEKIYA TAKUMIYAMOTO SEIICHIITOTANI TAKAYUKIMARUYAMA TOSHIMASAYORITA MITSUMASAHISAMORI YOICHI
    • H01H33/66
    • H01H33/66
    • PROBLEM TO BE SOLVED: To provide a switch gear preventing lowering of an insulating characteristic caused by accretion of metal vapor generated by the main circuit arc to an insulator coupling member coupling a movable electrode with an operating member, and maintaining the good insulating characteristic over the long term.
      SOLUTION: A projecting part projecting by the prescribed length L in the direction orthogonal to the axis of an operating rod 6b is roundly set on the coupling side with the operating rod 6b, that is, the non-opposite side to a main circuit switch gear, of an insulator coupling member 5 coupling a movable electrode 6a with the operating rod 6b. The surface on the coupling side with the operating rod 6b of the projecting part is kept clean so that metal vapor generated by main circuit arc hardly accretes to it, thus lowering of an insulating characteristic is prevented.
      COPYRIGHT: (C)1999,JPO
    • 要解决的问题:提供一种开关装置,其防止由主电弧产生的金属蒸汽的积累导致的绝缘特性降低到将可动电极与操作构件连接的绝缘体联接构件,并且保持良好的绝缘特性 长期。 解决方案:在与操作杆6b的轴线正交的方向上突出规定长度L的突出部分在操作杆6b的联接侧被圆形地设置,即与主电路开关装置的非相反侧 的可动电极6a与操作杆6b连接的绝缘体联接构件5。 与突出部的操作杆6b的联接侧的表面保持清洁,使得由主电路产生的金属蒸气几乎不会增加,从而防止了绝缘特性的降低。