Switchgear

开关装置

Abstract

一种开关装置包括基座,设置在基座内的一对静触片和接线柱,设置在静触片上的两动触片,两动触片与两端子对应,两端子间还设有另一端子,基座上设有上盖板,上盖板上设有按钮及复位弹簧,推杆和压簧设置在基座内,推杆上端穿过上盖板与按钮相抵,推杆下侧两孔内设置有弹簧和滑杆,滑杆端部分别与两动触片相抵,推杆另一侧设有阻尼器和齿轮,齿轮与齿条啮合,推杆下内侧小孔内设有连杆,其另一端与动触片相对应,动触片与端子间设有拉簧,其优点是:结构简单,制造方便,使用可靠;且密封性良好,开关使用寿命长。
A switch device includes a base, a pair of fixed contacts and terminal post disposed in the base, two movable contacts corresponding to the the both ends disposed on the fixed contacts, between the two ends another end is also provided, the base includes a upper lid which has buttons and return-spring thereon, the base comprises a push rod which contacts with the button on the upper end through the upper lid and has springs and slide bar in two holes on the lower end. The both ends of the slide bar contact with the two movable contacts. On the other end the push rod is provided with a damper and a gear engaged with the gear-rack, a linkage in the hole underside conrresponding to the movable contact on the other end, and a spring disposed between the movable contact and the ends. The advantages are: simple structure, convenient manufacture, reliable performance, good sealing, and long service life.

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