CN109256631A - 电接触端子 - Google Patents

电接触端子 Download PDF

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CN109256631A
CN109256631A CN201810764044.XA CN201810764044A CN109256631A CN 109256631 A CN109256631 A CN 109256631A CN 201810764044 A CN201810764044 A CN 201810764044A CN 109256631 A CN109256631 A CN 109256631A
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conducting wire
contact terminal
pair
support plate
electric contact
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CN109256631B (zh
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晋章范
申智秀
洪世哲
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Molex LLC
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Molex LLC
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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
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/75—Coupling devices for rigid printing circuits or like structures connecting to cables except for flat or ribbon cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/52—Fixed connections for rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/193—Means for increasing contact pressure at the end of engagement of coupling part, e.g. zero insertion force or no friction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • 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
    • 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
    • H01R4/4823—Multiblade spring
    • H—ELECTRICITY
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    • 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
    • H01R4/4848—Busbar integrally formed with the spring
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
    • H05K3/341—Surface mounted components
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/515—Terminal blocks providing connections to wires or cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/115—U-shaped sockets having inwardly bent legs, e.g. spade type
    • 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
    • H01R4/26—Connections in which at least one of the connecting parts has projections which bite into or engage the other connecting part in order to improve the contact
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10431—Details of mounted components

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  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

本发明涉及一种线对板连接器的竖直连接型接触端子，其能够使导线在竖直方向上被连接，且本发明的一种电接触端子具有一马蹄形状的一端子，该端子是通过将一片状的一背板的两端朝向一前面弯折且在一侧具有开口来形成，所述电接触端子包括：一对支撑板，其从所述背板的两端弯折并在所述一对支撑板之间限定一导线插入空间，且具有形成在所述一对支撑板下端的用于安装在一基板上的安装部；以及一对连接板，其从所述一对支撑板的上端朝向所述导线插入空间内部弯折，并连接和锁定一导线。所述电接触端子以直立姿势安装在所述基板上，从而允许所述导线在竖直方向上被连接。

Description

电接触端子
技术领域
本发明涉及一种线对板连接器，且更具体地，涉及一种线对板连接器的竖直连接型电接触端子，其能够使导线在竖直方向上被连接。
背景技术
通常，一线对板连接器涉及一连接器，该连接器用于将电子/电气设备的一导线与一印刷电路板相互连接。其中一种类型的仅通过将导线插入端子中而使导线与端子发生接触并将导线锁定在端子中的连接器称为插入式连接器。
国际专利公开号WO2013/176859的题为“具有插入式导线接触件的电连接器”中引入了一种相关技术的插入式连接器。该现有技术文献的连接器具有一结构，其中一接触端子与一绝缘壳体的一导线插入口沿水平方向与一基板表面平行布置，且一导线在水平方向上插入导线插入口并连接于接触端子。
换而言之，该相关技术的线对板连接器具有一水平连接结构，且所述水平连接结构需要接触端子与基板之间一大的安装面积。因此，不足之处在于该相关技术的线对板连接器不容易应用于具有小面积的基板。
(专利文献1)国际专利公开号WO2013/176859(具有插入式导线接触件的电连接器)
发明内容
为解决上述问题提出了本发明，且本发明的一目的是提供一种接触端子，所述接触端子用于具有一小的安装面积的一竖直连接结构的一线对板连接器，所述接触端子能够容易地应用于一小尺寸的基板。
为了实现上述目的，本发明的一种电接触端子具有一马蹄形状的一端子，该端子是通过将片状的一背板的两端朝向一前面弯折且在一侧具有开口来形成，所述电接触端子包括：一对支撑板，其从所述背板的两端弯折出并在所述一对支撑板之间限定一导线插入空间，且具有形成在所述一对支撑板下端的用于安装在一基板上的安装部；以及一对连接板，其从所述一对支撑板的上端朝向所述导线插入空间内部弯折，并连接和锁定一导线。所述电接触端子是以直立姿势安装在所述基板上，从而允许所述导线在竖直方向上被连接。
此外，各个连接板可形成两个台阶的弯折结构，其包括：一第一弯折部，从所述支撑板的一上端弯折；一弹性部，从所述第一弯折部延伸；一第二弯折部，从所述弹性部的一端弯折；以及一锁定部，从所述第二弯折部延伸。
此外，所述锁定部的与所述导线发生接触的一端的横截面的内角范围可为65°至80°。
此外，各个连接板还可包括从所述锁定部朝向前面突出的一延伸部。
此外，各个支撑板还可包括：一移动阻止部，其通过将所述支撑板的在与所述锁定部之间隔开的下侧处的一部分切开并向内弯折而成。
本发明的接触端子直立设置(stand upright)在基板上且允许导线插入形成在接触端子的上端的导线插入口。因此，有益的效果在于减小了安装面积，且容易将接触端子应用于一小尺寸的基板。
附图说明
图1是示出根据本发明的一示范性的实施方式的一连接器的一立体图；
图2是示出图1的连接器的一分解立体图；
图3是示出根据本发明的一示范性的实施方式的一接触端子的一立体图；
图4是示出图3的接触端子的一前视图；
图5是示出图3的接触端子的一局部剖开图；
图6是示出根据本发明的一示范性的实施方式的接触端子的一导线锁定结构的一剖视图；以及
图7是详细示出图6的一锁定部的一端部的一剖视图。
其中，附图标记说明如下：
10：连接器
20：基板
30：导线
100：接触端子
110：背板
120：支撑板
121：安装部
125：移动阻止部
130：连接板
131：弹性部
132：锁定部
具体实施方式
本发明及本发明的实施方式所达到的技术目的将通过下面将要说明的本发明的优选实施方式而变得清晰。以下将参照附图详细说明本发明的优选实施方式。
图1是示出根据本发明的一示范性的实施方式的一连接器的一立体图，而图2是示出图1的连接器的一分解立体图。
如这些图所示，根据本发明的一示范性的实施方式的连接器10为一装置，该装置安装在一基板20上的同时收容一导线30并将导线30与基板20相互电连接，且连接器10可包括：一接触端子100，安装在基板20上；以及一壳体200，通过包围接触端子100以保护接触端子100。接触端子100可以具有形成在其下端以安装在基板20上的多个端子且可具有形成在其上端以收容导线30的一导线插入口100a。对应地，本发明的连接器10具有一竖直连接结构，其中用于电连接的接触端子100直立设置在基板20的上表面上，且导线30在竖直方向上向下插入。
基板20可具有安装在其上的用于驱动一电气设备的各种部件且可具有印刷在其表面上的用于各部件的电连接的电路，且特别地，基板20可以具有至少一对安装垫21以允许接触端子100安装于基板20上。导线30可以按一预定长度露出于一绝缘护套31的外部并可以插入接触端子100中。壳体200可以具有一下侧开口的六面体容器形状以对应接触端子100的外形，并且壳体200可以具有形成在其上表面上的一导线插入口200a以允许导线30插入壳体200中。
在具有上述构造的连接器10中，壳体200在包围接触端子100的同时连结于接触端子100，然后接触端子100通过诸如焊接等工艺安装在基板20上。导线30从上侧通过壳体200的导线插入口200a以及接触端子100的导线插入口100a插入安装在基板20上的连接器10中并被锁定在接触端子100中，从而实现基板20与导线30之间的电连接。
图3是示出根据本发明的一示范性的实施方式的一接触端子的一立体图，图4和图5是示出图3的接触端子的一前视图以及一局部剖开图，图6是示出根据本发明的一示范性的实施方式的接触端子的一导线锁定结构的一剖视图，而图7是详细示出图6的一锁定部的一端部的一剖视图。
参照图3至图5，根据本发明的一示范性的实施方式的接触端子100在接触端子100安装于基板20上(参见图2)的状态下通过锁定导线30而将基板20与导线30相互电连接。接触端子100可以通过对一导电金属板挤压成型(extrusion molding)而形成，且可以通过将片状的板的相同方向平行的两侧弯折而形成为马蹄形且一侧开口(在下文中，开口一侧的y方向将被称为“前面”，而相反的方向，-y方向将被称为“后面”)。换而言之，接触端子100可以包括在后面的一背板110、从背板110的两侧朝向前面弯折的平行的一对支撑板120以及从对应的支撑板120的上端朝向形成在内部的一导线插入空间弯折并延伸的一对连接板130，且所述一对支撑板120和所述一对连接板130形成彼此面对的一对称结构。
具体地，背板110为将所述一对支撑板120连接并支撑接触端子100的后面的一端子支撑部，且可以具有：一基板支撑突起111，形成在背板110的下端以支撑在基板20上；以及一壳体插入突起112，形成在背板110的上端以插入壳体200中。背板110支撑在基板20上并连结于壳体200且使所述一对支撑板120彼此对称。
所述一对支撑板120为安装在基板20上的并支撑接触端子100的两侧的端子支撑部，且均可以具有：安装部121，形成在支撑板120的下端并弯折到水平方向以平行于基板表面而安装在基板20上。
所述一对安装部121安装在基板20的安装垫21(参见图2)上，并与基板20电连接，且同时使得接触端子100稳定地连结于基板20，且从所述一对支撑板120向外侧弯折。所述一对安装部121通过焊接而连结于安装垫21并以背板110为参照焊接在两侧。
此外，一楔形的一连结部122从各个支撑板120的前面的一端部突出以引导与壳体200连结并且使连结牢固，且一壳体插入突起123从各个支撑板120的上端的一侧向上突出以插入到壳体200中。
对应地，背板110以及所述一对支撑板120可以将接触端子100在后面和两侧部的三个方向上支撑或连结于基板20上，从而接触端子100稳定地直立设置在基板20上并在接触端子100的内部空间提供允许导线30插入并连接的一空间。
所述一对连接板130引导导线30的插入，并通过锁定插入的导线30，使得基板20与导线30相互电连接。所述一对连接板130构成为：从所述一对支撑板120的上端朝向导线插入空间内部以彼此面对的方式弯折，并且在两侧引导和锁定导线30的一双接触结构。
各个连接板130包括：一第一弯折部131-1，从支撑板120的上端向内向下弯折；一弹性部131，从第一弯折部131-1延伸；一第二弯折部132-1，从弹性部131的一端朝向导线插入空间的一中心区域弯折；以及一锁定部132，从第二弯折部132-1延伸。弹性部131为锁定部132提供弹性，从而锁定部132用一较大的弹性力按压导线30且同时抵抗塑性变形。锁定部132引导导线30的插入，与导线30发生接触以与导线30电连接并锁定插入的导线30以阻止导线30脱出。
特别地，连接板130具有包括第一弯折部131-1和第二弯折部132-1的两个台阶的(two-step)弯折结构。两个台阶的弯折结构的连接板130在其一端的锁定部132用比一个台阶的(one-step)弯折结构大的力弹性按压导线30且同时更耐塑性变形。
表1
换而言之，如上表1所示，假定导线30插入时，当推动锁定部132以具有朝向一侧的0.5mm尺寸的变形时，在一个台阶的弯折结构中变形通过4.204N的力实现，但是在两个台阶的弯折结构中，只有当施加7.891N的力时才能获得相同尺寸的变形。因此可以看出，两个台阶的弯折结构的锁定部132表现出更强的抗力。
此外，在一压力施加于锁定部132后的恢复状态的塑性变形如下。一个台阶的弯折结构的塑性变形量为0.085mm，但两个台阶的弯折结构的塑性变形量为0.026mm，因此，即使在塑性变形的情况下，两个台阶的弯折结构的锁定部132也表现出优越的性能。
在这种情况下，优选地，弹性部131相对于竖直方向形成的角度θ1约为8°，锁定部132相对于竖直方向形成的角度θ2约为45°。
此外，锁定部132可以具有向前面突出的延伸部133。与弹性部131相比，延伸部133能够使锁定部132在前面方向(y方向)上具有相对较大的宽度，且将锁定导线30的锁定部132的中心轴线向前面移动。对应地，导线30相对于前后方向在更朝向前面偏置的位置被连接，且可以保证在壳体200的上表面的后面侧的一相对较大面积的拾取(pick-up)表面。
此外，弹性按压导线30的锁定部132的一接触端可以具有一凹部，凹部以与导线30的外周相对应的曲率弯折成凹形。对应地，导线30沿着所述凹部插入，且导线30被阻止从锁定部132的接触端朝向前面或后面(y或-y方向)脱出，从而能够实现稳定地插入和锁定。此外，锁定部132的凹部可以按压导线30的与凹部线接触的表面，从而进一步增强了导线30的保持力。
各个支撑板120设有移动阻止部124，移动阻止部124通过将所述支撑板120的安装部121和锁定部132之间的一部分切开并向内弯折而形成。移动阻止部124阻止以直立姿势(upright position)被连接的导线30倾斜。
通常，导线30插入在所述一对锁定部132之间并在竖直方向上保持一连接状态。在这种情况下，由于导线30相对于竖直方向仅通过所述一对锁定部132被支撑在一种位置，导线30可以容易地在水平方向倾斜，尤其在两个侧面方向(x或-x方向)上倾斜。当导线30如上所述反复倾斜时，在锁定部132上的保持力可能大大降低，甚至导线30可能从锁定部132中脱出。
移动阻止部124通过将支撑板120的在与锁定部132之间隔开一预定距离的下侧处的一部分切开并朝向导线插入空间弯折而形成。对应地，由于导线30通过上侧的一对锁定部132和下侧的一对移动阻止部124被支撑在上下两种位置，所以导线30的直立状态能够稳定地被保持。在这种情况下，移动阻止部124向内弯折的同时形成一向下倾斜面，以引导以直立姿势被连接的导线30的插入。
如图6所示，在具有上述构造的接触端子100以直立姿势安装在基板20上的状态下，导线30插入上侧的导线插入口100a，且锁定部132的端部按压插入方向上的导线30并将导线30锁定。
锁定部132的与导线30接触的端部形成一尖锐形状的锐角。对应地，锁定部132的端部以大的压力咬入导线30的表面并阻止导线30脱出。在这种情况下，如图7所示，优选的是，由锁定部132的各个端部的横截面形成的内角θ3为65°至80°，并且更优选地，角度θ3约是73°。
表2
上述表2示出了对应于锁定部132的端部的内角的一保持力，并示出了对应于50°和65°之间(对比例1)、65°和80°之间(实施例)以及80°至90°之间(对比例2)的某个内角的单位为kg·f的一导线保持力。从表2可以看出，当锁定部132的端部的内角θ3小于65°以及当内角θ3大于80°时，平均保持力分别为5.91kg·f和6.15kg·f，对应地，其为相对小的保持力。然而，当内角θ3为65°至80°时，平均保持力为13.79，其为较高的保持力。这是因为当锁定部132的端部的内角θ3小于65°或者大于80°时，锁定部132的端部可能容易磨损或者不能咬入导线30的表面，从而保持力下降。
虽然本发明已经参照附图中示出的实施方式进行了说明，但是相关领域的普通技术人员应理解的是，可以从本发明作出各种改变，并且其他等同实施方式是可能的。

Claims (5)

1.一种电接触端子，具有一马蹄形状的一端子，该端子是通过将片状的一背板的两端朝向一前面弯折且在一侧具有开口来形成，所述电接触端子包括：
一对支撑板，从所述背板的两端弯折出并在所述一对支撑板之间限定一导线插入空间，且具有形成在所述一对支撑板下端的用于安装在一基板上的安装部；以及
一对连接板，从所述一对支撑板的上端朝向所述导线插入空间内部弯折，并连接和锁定一导线，
其中，所述电接触端子是以直立姿势安装在所述基板上，从而允许所述导线在竖直方向上被连接。
2.如权利要求1所述的电接触端子，其中，
各个连接板形成两个台阶的弯折结构，各个连接板包括：一第一弯折部，从所述支撑板的一上端弯折；一弹性部，从所述第一弯折部延伸；一第二弯折部，从所述弹性部的一端弯折；以及一锁定部，从所述第二弯折部延伸。
3.如权利要求2所述的电接触端子，其中，
所述锁定部的与所述导线发生接触的一端的横截面的内角范围为65°至80°。
4.如权利要求2所述的电接触端子，其中，
各个连接板还包括从所述锁定部朝向前面突出的一延伸部。
5.如权利要求2-4中任一项所述的电接触端子，其中，
各个支撑板还包括：一移动阻止部，其通过将所述支撑板的在与所述锁定部之间隔开的下侧处的一部分切开并向内弯折而成。
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