CN101409387A - 用于电气引线的无螺纹式端子 - Google Patents

用于电气引线的无螺纹式端子 Download PDF

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CN101409387A
CN101409387A CNA2008101693933A CN200810169393A CN101409387A CN 101409387 A CN101409387 A CN 101409387A CN A2008101693933 A CNA2008101693933 A CN A2008101693933A CN 200810169393 A CN200810169393 A CN 200810169393A CN 101409387 A CN101409387 A CN 101409387A
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terminal
leaf spring
terminal according
operating parts
housing
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CN101409387B (zh
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J·皮霍安-帕雷拉达
E·卡列哈
R·M·德什穆克
R·古鲁拉
V·穆尔蒂
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ABB Schweiz AG
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General Electric Co
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/48365—Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/4833—Sliding arrangements, e.g. sliding button
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08—Terminals; Connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details
    • H01R4/485—Single busbar common to multiple springs

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  • Breakers (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Abstract

本发明涉及一种用于电气引线的无螺纹式端子，根据优选的实施例，用于电气引线的端子包括壳体(1)、引导件(4)、电流条(3)、板簧和可动的操作件(2)。引导件(4)由壳体(1)支承，并包括与电流条(3)的至少一个表面相连接的引导表面。板簧包括用于将电缆夹持到电流条(3)上的具有偏移的至少一个肢部(42)。此外，端子包括可动的操作件(2)，其成形并构造为用于允许释放与电流条(3)接触的电缆。

Description

用于电气引线的无螺纹式端子
技术领域
本文描述的主题大体上涉及在电气应用中的用于端子引线的无螺纹式配件的装置，该电气应用尤其为断路器。
背景技术
电气引线的端子通常用于包括开关和断路器的各种应用中。
现有的将引线连接到断路器上的方法要求将导线旋紧到端子上，这将导致效率的损失。更具体地，它增加了将导线连接到断路器上所需的安装时间。因此，诸如在US7,224,140中说明的无螺纹式端子包括将电气引线保持到端子上的弹簧夹。该弹簧夹可具有包括U形的各种形状，并且由柔性材料制成。目前，缺乏将柔性导线和/或硬导线都连接到端子上的简化的插入机构和释放机构。
因此，需要提供用于电气引线的改进的端子，从而为诸如断路器的装置提供更高效的安装。
发明内容
根据一个实施例，用于电气引线的端子包括壳体、引导件、电流条、板簧和可动的操作件。引导件由壳体支承，并且包括与电流条的至少一个表面相连接的引导表面。板簧包括具有偏移的至少一个肢部，用于将电缆夹持到电流条上。此外，端子包括可动的操作件，其成形并构造为用于允许释放与电流条接触的电缆。
附图说明
本文描述的图纸如下：
图1是根据本发明的模块化电气装置的透视图，其具有无螺纹式电缆端子装置。
图2是无螺纹式电缆端子构件的分解图。
图3是引导件的透视图。
图4是电流条的透视图。
图5是板簧的透视图。
图6是操作件的透视图。
图7是在电缆插入状态期间的本发明的一个实施例的透视图。
具体实施方式
本发明的一个实施例涉及无螺纹式端子装置，用于将刚性电线或柔性电线连接到断路器上。
现在参考图1，根据本发明的一个实施例的断路器大体上图示为10。断路器10图示为具有包括操作元件2的绝缘壳体1。绝缘壳体1具有至少一个端子隔室4，其中布置有电流条3和夹持弹簧5。
在本发明的一个实施例中，壳体由注模聚合物构成。此外，壳体包括具有空腔的矩形形状，用于夹持断路器10的构件。壳体包括具有开口的表面，以允许操作件2的推入表面伸出壳体，从而使安装人员可以按下操作件以便插入电缆或从板簧的夹持中释放电缆。类似地，壳体具有带有开口的表面，该开口用于将电缆插入到断路器内，该表面垂直于用于操作件的开口布置在其中的表面。该表面包括允许将一根电缆插入到断路器内的单一开口6。可选地，该表面包括可各接收单一电缆的两个单独的开口。壳体还包括在壳体的空腔内的平坦表面区域，端子凸缘20将锚定在该壳体上。此外，壳体空腔具有支承引导件4的基部表面。
现在参考图2，无螺纹式端子的构件示于分解图中。
现在参考图3，示出了引导件或端子隔室4。端子隔室4用作穿过壳体1插入的电线的支承件和/或引导件。引导件具有构造为与电流条3的两个表面互锁的两个外表面30。外表面将操作件引导到板簧上。基部表面具有用于由板簧夹持的开口。引导件可由任何弹性材料制成，并且在形状上基本是矩形。
现在参考图4，示出了电流条3。电流条是形成从外部插入的电线到断路器的内部的电流通路的构件。电流条具有用于连接到电线上的表面21。本发明的一个实施例包括在形状上基本是矩形的电流条，其基部具有开口，操作件可通过该开口移动以与弹簧接触。此外，电流条包括与引导件4的两个表面互连的两个表面。电流条3还包括锚定到壳体1上的凸缘20。此外，电流条3由导电的弹性材料构成。
现在参考图5，弹簧元件5示为在如下位置成角度的平坦板簧，即使得便于在将电缆插入到设置在断路器上的开口中时插入和自定位电缆引导件。板簧可具有U形状，其具有基底41，侧部40，以及两个夹持肢部42，其中，侧部40包括与固定的端子互锁的角度。弹簧元件可成角度以允许其夹持支腿的自由端形成弯曲凸缘，该弯曲凸缘用作夹持边缘43以夹持在连接位置上插入的电线，以及用作与用于重新打开端子的操作机构2相接触的表面。此外，弹簧元件的自由端施加足够的压力以夹持插入的电缆到端子上，从而允许电流流动。弹簧设计为当通过向端子推动而连接第二刚性电缆时可将单根电缆保持在适当位置。先前插入的刚性或柔性电缆将由弹簧持续地夹持而不会掉出来。
现在参考图6，操作件2是在端子连接再次打开期间释放电缆所需的构件。操作件具有翼状凸缘16，17，其引导操作部件在垂直方向上移动并且防止其它的自由度。操作元件利用推入动作进行操作。本发明的一个实施例包括为实体构件的操作件。操作件可包括两个矩形凸缘16，其垂直跨越在另一组较小宽度的凸缘17上，底座部分18连接到凸缘17上并构成操作件的底表面。底座部分包括两个垂直表面，其宽于操作件的两个垂直表面连接到其上的部分。操作件的底表面接合板簧的肢部。
为了插入刚性电缆，安装人员可通过开口6朝向电流条推动暴露的刚性电缆。安装人员可按下操作机构/释放按钮2，并拉动电缆以释放电缆。当柔性电缆用于插入时，要求安装人员通过按下操作机构/释放按钮朝向端子推动柔性电缆的暴露部分。要求安装人员按下操作机构2，并拉动电缆以从端子中释放电缆。
现在参考图7，本发明的实施例的视图示出电线50准备通过开口6插入端子10中。
尽管已经结合现在被认为是最实用和优选的实施例说明了本发明，但是应当理解的是，本发明不限于本文公开的这些实施例。相反，本发明意图包括在权利要求的精神和范围内的所有各种的改进和等价装置。

Claims (9)

1.一种用于电气引线的端子，其包括：
壳体(1)；
引导件(4)，其由所述壳体(1)支承，并且包括引导表面；
电流条(3)，其与所述引导件(4)互连，并且包括至少一个接触表面；
板簧，其包括在所述至少一个接触表面附近偏置的至少一个肢部；以及
可动的操作件(2)，其成形并构造成用于接合所述板簧，由此所述至少一个肢部在远离所述接触表面的方向上移动。
2.根据权利要求1所述的端子，其特征在于，所述引导件(4)包括构造成用于将所述操作件(2)引导到所述板簧上的两个表面。
3.根据权利要求1所述的端子，其特征在于，所述端子包括锚定到所述壳体(1)上的凸缘(20)。
4.根据权利要求1所述的端子，其特征在于，所述板簧包括至少一个夹持肢部，其具有用于与所述操作件(2)相接触的单一的弯曲凸缘(43)。
5.根据权利要求4所述的端子，其特征在于，所述板簧包括两个夹持肢部(42)。
6.根据权利要求1所述的端子，其特征在于，所述固定的端子和板簧形成在一起。
7.根据权利要求1所述的端子，其特征在于，所述操作件(2)包括引导所述操作件(2)在垂直方向上移动的翼状突出件。
8.根据权利要求1所述的端子，其特征在于，所述壳体(1)包括断路器外壳。
9.根据权利要求1所述的端子，其特征在于，所述固定的端子和引导件(4)整体地形成。
CN2008101693933A 2007-10-10 2008-10-10 用于电气引线的无螺纹式端子 Active CN101409387B (zh)

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US11/869,984 US7491098B1 (en) 2007-10-10 2007-10-10 Screwless terminal for electrical leads
US11/869984 2007-10-10

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CN101409387B CN101409387B (zh) 2013-03-13

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EP (1) EP2048741B1 (zh)
JP (1) JP5394035B2 (zh)
KR (1) KR20090037324A (zh)
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AU (1) AU2008221634B2 (zh)
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CN102623260A (zh) * 2012-02-27 2012-08-01 温州创伟永吉电气有限公司 快速接线式断路器

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CN204966753U (zh) * 2015-07-31 2016-01-13 泰科电子(上海)有限公司 连接器和连接器组件

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MX2008012376A (es) 2009-04-09
JP5394035B2 (ja) 2014-01-22
KR20090037324A (ko) 2009-04-15
AU2008221634B2 (en) 2011-10-13
EP2048741B1 (en) 2011-05-11
CN101409387B (zh) 2013-03-13
CA2639782A1 (en) 2009-04-10
EP2048741A3 (en) 2009-07-22
US7491098B1 (en) 2009-02-17
EP2048741A2 (en) 2009-04-15
JP2009094071A (ja) 2009-04-30
AU2008221634A1 (en) 2009-04-30

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Patentee after: ABB Switzerland Co., Ltd.

Address before: American New York

Patentee before: General Electric Company

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