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    • 1. 发明授权
    • Sealed contact device with contact gap adjustment capability
    • 具有接触间隙调节功能的密封接触器
    • US5892194A
    • 1999-04-06
    • US827006
    • 1997-03-25
    • Riichi UotomeTakaaki ChuzawaTakehiko ToguchiToshiyuki SuzukiKiyoshi GotoRitsu YamamotoMasahiro Ito
    • Riichi UotomeTakaaki ChuzawaTakehiko ToguchiToshiyuki SuzukiKiyoshi GotoRitsu YamamotoMasahiro Ito
    • H01H1/34H01H9/34H01H50/16H01H51/06H01H51/28H01H51/29H01H33/70H01H67/02
    • H01H51/065H01H1/34H01H51/29H01H2050/025H01H50/16H01H51/28H01H9/34
    • A sealed switch has a vessel defining therein a hermetically sealed space which receives a pair of fixed contacts and a movable contact bridging the fixed contact. The movable contact is movable between an ON-position of closing with the fixed contact and an OFF-position of separating from the fixed contacts. Hydrogen gas or hydrogen rich gas is filled in the sealed space in order to suppress arc development between the movable and fixed contacts. The plunger carries at its axial one end the movable contact and carrying at the other axial end an actuator which moves the plunger axially for movement of the movable contact from the OFF-position to the ON-position. An over-travel spring is provided to give a bias for moving the movable contact relative to the plunger in order to develop a contacting pressure between the movable and fixed contacts. The over-travel spring is supported to a spring holder secured to the plunger. The plunger is formed with a threaded portion which extends through the actuator to allow the plunger to move axially relative to the actuator for adjustment of a contact gap between the movable and fixed contact, and the spring holder is formed with stopper protrusions which project in abuttable and slidable relation to the interior surface of the vessel such that the movable contact is prevented from rotating together with the plunger. Accordingly, the spring holder is best utilized to restrict the movable contact from rotating together with the actuator to enable an easy adjustment of the contact gap simply by rotating the actuator.
    • 密封开关具有在其中限定有密封空间的容器,其容纳一对固定触点和桥接固定触点的可动触头。 可动触头可以在与固定触点的关闭的ON位置和与固定触点分离的OFF位置之间移动。 氢气或富氢气体填充在密封空间中,以便抑制可动和固定触点之间的电弧发展。 柱塞的轴向一端具有可动触点,并在另一个轴向端部承载致动器,该致动器轴向移动柱塞,以使可动触头从OFF位置移动到ON位置。 提供过行程弹簧以产生用于相对于柱塞移动可动触头的偏压,以便产生可动和固定触点之间的接触压力。 过行程弹簧支撑固定在柱塞上的弹簧保持架。 柱塞形成有螺纹部分,其延伸穿过致动器以允许柱塞相对于致动器轴向移动,以调节可动和固定触点之间的接触间隙,并且弹簧保持器形成有止动突起, 并且与容器的内表面可滑动地关系,从而防止活动触点与柱塞一起旋转。 因此,弹簧保持器最好地用于限制可动触头与致动器一起旋转,以使得能够简单地通过旋转致动器来容易地调节接触间隙。
    • 2. 发明授权
    • Sealed contact device and operating mechanism
    • 密封接触装置和操作机构
    • US5680084A
    • 1997-10-21
    • US478659
    • 1995-06-07
    • Hideki KishiTakehiko ToguchiTakaaki ChuzawaRiichi Uotome
    • Hideki KishiTakehiko ToguchiTakaaki ChuzawaRiichi Uotome
    • H01H1/66H01H9/44H01H50/32H01H50/64H01H50/54H01H33/64
    • H01H50/326H01H1/66H01H50/641H01H2003/323H01H2050/025H01H2050/028H01H9/443
    • A sealed contact device includes a sealed contact section having a sealed container defining therein a gas-tight space together with a bellows for housing therein electrodes and sealing therein a gas preferably consisting mainly of hydrogen, the electrodes including fixed electrodes and movable electrodes engageable with and separable from the fixed electrodes, a contact pressure spring biasing the movable electrodes in engaging direction with respect to the fixed electrodes, a resetting spring biasing the movable electrodes in separating direction from the fixed electrodes, and a movable shaft projected at an end out of the sealed container and coupled at the other end to the movable electrodes; a driving member providing at a movable part a drive force for driving the movable shaft in the direction of engaging the electrodes; and a relaying member interposed between the movable shaft of the sealed contact section and the movable part of the driving member and having a regulating element for regulating driving position of the movable shaft, the relaying member being coupled to the movable part and including a coupling element coupled through the regulating element to the movable shaft.
    • 密封接触装置包括密封接触部分,其具有密封容器,密封容器在其中限定了气密空间以及用于容纳电极的波纹管,并且在其中密封优选主要由氢组成的气体,所述电极包括固定电极和可接合的 可与固定电极分离的接触压力弹簧,相对于固定电极在接合方向上使可动电极偏置的接触压力弹簧,沿着与固定电极分离的方向偏置可动电极的复位弹簧,以及投影在固定电极的端部的可动轴 密封容器,另一端与可动电极耦合; 驱动构件,其在可动部分设置用于沿与所述电极接合的方向驱动所述可动轴的驱动力; 以及插入在所述密封接触部的所述可动轴与所述驱动部件的可动部之间并具有用于调整所述可动轴的驱动位置的调节部件的中继部件,所述中继部件联接到所述可动部,并且具有联接部件 通过调节元件联接到可移动轴。
    • 6. 发明授权
    • Delay switch with delay unit
    • 延时开关带延时单元
    • US06252185B1
    • 2001-06-26
    • US09584150
    • 2000-05-31
    • Kiwamu ShibataHideya KondoTakaaki ChuzawaJun SaitoNobuhiro KitamuraTetsuyasu KawamotoSatoshi KajiyamaTakeshi Ono
    • Kiwamu ShibataHideya KondoTakaaki ChuzawaJun SaitoNobuhiro KitamuraTetsuyasu KawamotoSatoshi KajiyamaTakeshi Ono
    • H01H703
    • H01H7/02H01H23/00
    • In the setting operation conducted by the handle 90 which is an operating section, an upper portion of the portion 26a′ of the slidable T-post 26 is pushed by the end portion of the cam 90b, and the slidable T-post 26 is moved. In accordance with the movement of the card 26, the suction cup block 23 is elastically deformed, and the suction cup 23b is held by the body 24 by a holding force of the suction cup 23b. The body 24 is composed of a porous body, and air flows from the ventilation hole 29 into a space formed between the suction cup 23b and the body 24, via the body 24. The slidable T-post 26 is biased ahead by the return spring 27. When the releasing operation is conducted by the handle 90, the cam 90b is rotated, and the end portion of the cam 90b is separated from the end of the portion 26a′ to be pushed. After that, when the intensity of the holding force of the suction cup 23b to the body 24 is decreased lower than that of the spring force of the return spring 27, the slidable T-post 26 is moved ahead, so that the card member 26c pushes up the movable contactor 70.
    • 在由作为操作部的把手90进行的设定操作中,滑动T形杆26的部分26a'的上部被凸轮90b的端部推动,并且可滑动的T形柱26移动 。 根据卡26的移动,吸盘块23弹性变形,吸盘23b由吸盘23b的保持力被主体24保持。 主体24由多孔体组成,并且空气经由主体24从通气孔29流入形成在吸盘23b和主体24之间的空间。可滑动的T形柱26被复位弹簧 当通过把手90进行释放操作时,凸轮90b旋转,并且凸轮90b的端部与要被推动的部分26a'的端部分离。 此后,当吸盘23b对主体24的保持力的强度比复位弹簧27的弹簧力的强度降低时,可滑动的T形柱26向前移动,使得卡构件26c 推动活动接触器70。