CN107799935B - 卡缘连接器及其组合 - Google Patents

卡缘连接器及其组合 Download PDF

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CN107799935B
CN107799935B CN201610804262.2A CN201610804262A CN107799935B CN 107799935 B CN107799935 B CN 107799935B CN 201610804262 A CN201610804262 A CN 201610804262A CN 107799935 B CN107799935 B CN 107799935B
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bayonet connector
tower
sidewalls
shaped
insulating
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CN107799935A (zh
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李庄星
唐文军
卜学武
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Foxconn Kunshan Computer Connector Co Ltd
Foxconn Interconnect Technology Ltd
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Foxconn Kunshan Computer Connector Co Ltd
Foxconn Interconnect Technology Ltd
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCBs], 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
    • H01R12/70Coupling devices
    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/72Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/721Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCBs], 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
    • H01R12/70Coupling devices
    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/712Coupling 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
    • H01R12/716Coupling device provided on the PCB
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCBs], 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
    • H01R12/70Coupling devices
    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/72Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • H01R12/724Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits containing contact members forming a right angle
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCBs], 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
    • H01R12/70Coupling devices
    • H01R12/82Coupling devices connected with low or zero insertion force
    • H01R12/83Coupling devices connected with low or zero insertion force connected with pivoting of printed circuits or like after insertion
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/502Bases; Cases composed of different pieces
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627Snap or like fastening
    • H01R13/6271Latching means integral with the housing
    • H01R13/6273Latching means integral with the housing comprising two latching arms
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCBs], 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
    • H01R12/50Fixed connections
    • H01R12/51Fixed connections for rigid printed circuits or like structures
    • H01R12/55Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/57Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCBs], 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
    • H01R12/70Coupling devices
    • H01R12/7005Guiding, mounting, polarizing or locking means; Extractors
    • H01R12/7011Locking or fixing a connector to a PCB
    • H01R12/7017Snap means
    • H01R12/7029Snap means not integral with the coupling device
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42Securing in a demountable manner
    • H01R13/436Securing a plurality of contact members by one locking piece or operation
    • H01R13/4364Insertion of locking piece from the front
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/44Means for preventing access to live contacts
    • H01R13/447Shutter or cover plate
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/502Bases; Cases composed of different pieces
    • H01R13/506Bases; Cases composed of different pieces assembled by snap action of the parts

Abstract

本发明揭示了一种卡缘连接器及其组合,所述卡缘连接器包括绝缘本体和锁扣臂,所述绝缘本体包括沿纵长方向延伸的两侧壁、用于安装至外部电路板的安装面、连接两侧壁末端并沿垂直于两侧壁方向伸出的塔形部、以及由两侧壁与塔形部围设形成的中央插槽,所述侧壁与安装面之间的夹角为锐角,所述侧壁设有用于锁扣臂可旋转式地安装的活动槽,所述塔形部具有与两侧壁直接连接的第一部分和位于塔形部自由末端的第二部分,其中沿垂直于中央插槽的方向上,所述第二部分的宽度小于第一部分的宽度,进而避免本发明卡缘连接器与另一卡缘连接器前后并列设置时,第二部分可以在沿竖直方向堆叠在另一卡缘连接器,而不会相互干涉。

Description

卡缘连接器及其组合
【技术领域】
本发明涉及一种卡缘连接器及其组合,尤其涉及一种具有倾斜设置的卡缘连接器。
【背景技术】
美国专利第US5,964,606号,其公开了一种倾斜卡缘连接器,其包括绝缘本体,所述绝缘本体包括沿纵长方向延伸的两侧壁、用于安装至外部电路板的安装面、连接两侧壁末端并沿垂直于两侧壁方向伸出的塔形部、以及由两侧壁与塔形部围设形成的中央插槽,所述侧壁与安装面之间的夹角为锐角,所述塔形部具有与两侧壁直接连接的第一部分和位于塔形部自由末端的第二部分,沿垂直于中央插槽的方向上,所述第二部分的宽度小于第一部分的宽度相同。当两个倾斜卡缘连接器前后并列设置时,后面一个卡缘连接器的第一部分位于前面一个卡缘连接器的侧边凹陷空间内,但是,若想进一步压缩前后两个卡缘连接器之间的间距,则会导致后面卡缘连接器的第一部分与前面卡缘连接器的第二部分干涉。
【发明内容】
本发明所要解决的技术问题在于:提供一种卡缘连接器,其能使得与另一卡缘连接器并列设置时的间距更小。
为解决上述问题,本发明可采用如下技术方案:
一种卡缘连接器,其包括绝缘本体和锁扣臂,所述绝缘本体包括沿纵长方向延伸的两侧壁、用于安装至外部电路板的安装面、连接两侧壁末端并沿垂直于两侧壁方向伸出的塔形部、以及由两侧壁与塔形部围设形成的中央插槽,所述侧壁与安装面之间的夹角为锐角,所述侧壁设有用于锁扣臂可旋转式地安装的活动槽,所述塔形部具有与两侧壁直接连接的第一部分和位于塔形部自由末端的第二部分,其中沿垂直于中央插槽的方向上,所述第二部分的宽度小于第一部分的宽度。
本发明所要解决的另一技术问题在于:提供一种上述卡缘连接器组合。
为解决上述问题,本发明可采用如下技术方案:
一种卡缘连接器组合,其包括相互并排设置的两个卡缘连接器,每一卡缘连接器包括绝缘本体和锁扣臂,所述绝缘本体包括沿纵长方向延伸的两侧壁、用于安装至外部电路板的安装面、连接两侧壁末端并沿垂直于两侧壁方向伸出的塔形部、以及由两侧壁与塔形部围设形成的中央插槽,所述侧壁与安装面之间的夹角为锐角,所述侧壁设有用于锁扣臂可旋转式地安装的活动槽,所述塔形部具有与两侧壁直接连接的第一部分和位于塔形部自由末端的第二部分,其中沿垂直于中央插槽的方向上,所述第二部分的宽度小于第一部分的宽度,以方便一个卡缘连接器的第二部分堆叠至另一卡缘连接器的第一部分而不干涉。
与现有技术相比,本发明具有如下有益效果:由于所述第二部分的宽度小于第一部分的宽度,进而避免本发明卡缘连接器与另一卡缘连接器前后并列设置时,第二部分可以在沿竖直方向堆叠在另一卡缘连接器,而不会相互干涉,从而减小了两个卡缘连接器在水平方向上的间距。
【附图说明】
图1是本发明第一实施例卡缘连接器的立体图。
图2是图1所示卡缘连接器另一视角的立体图。
图3是图1所示卡缘连接器又一视角的立体图。
图4是图1所示卡缘连接器的分解图。
图5是图4所示卡缘连接器的进一步分解图。
图6是图5所示卡缘连接器的进一步分解图。
图7是图6所示卡缘连接器的另一视角分解图。
图8是图1所示卡缘连接器的剖视图。
图9是本发明第二实施例卡缘连接器的立体图。
图10是图9所示卡缘连接器的分解图。
图11是图10所示卡缘连接器的进一步分解图。
图12是图9所示卡缘连接器的剖视图。
图13是图9所示卡缘连接器的另一剖视图。
图14是图9所示两个卡缘连接器的使用状态立体图。
图15是图9所示两个卡缘连接器侧视图。
图16是本发明第三实施例卡缘连接器的立体图。
图17是图16所示卡缘连接器的分解图。
图18是图17所示卡缘连接器的进一步分解图。
图19是图19所示卡缘连接器的剖视图。
图20是本发明第四实施例卡缘连接器的侧视图。
如下具体实施方式将结合上述附图进一步说明本发明。
【具体实施方式】
如图1至图8所示,为本发明的第一实施例。一种卡缘连接器100包括绝缘本体1、若干导电端子2、两个绝缘定位块3、绝缘盖4、以及加强钩6。
绝缘本体1包括沿纵长方向延伸的两侧壁11、用于安装至外部电路板的安装面12、连接两侧壁11末端并沿垂直于两侧壁11方向伸出的塔形部13、以及由两侧壁11与塔形部13围设形成的中央插槽14。所述侧壁11与安装面12之间的夹角为锐角,通常这一锐角可以设置为25度。所述塔形部13设有用于锁扣臂5可旋转式地安装的活动槽130,所述塔形部13具有与两侧壁11直接连接的第一部分131和位于塔形部13自由末端的第二部分132。如图8所示,沿垂直于中央插槽14的方向上,所述第二部分131的宽度A小于第一部分132的宽度B。可结合参考图14和图15所示,卡缘连接器100用于将一记忆体模组800转接至外部电路板900。所述第二部分132设有用于堆叠至另一卡缘连接器的底侧壁133和相对底侧壁133位于中央插槽14相反一侧的顶侧壁134,所述底侧壁133相对第一部分11向中央插槽14凹陷。所述第二部分132的顶侧壁134相对第一部分11的顶侧壁114凹陷。绝缘本体1连接在两塔形部13之间的前端面151和后端面152,每一侧壁11设有沿记忆体模组插入方向贯穿前端面151和后端面152的端子槽153。侧壁11包括面朝上的顶侧面111和面朝下的底侧面112。绝缘本体1还设有将中央插槽14分割成左右两部分的分割壁161以及自后端面152向后凸出的分割肋162,所述分割肋162与分割壁161处于绝缘本体1在纵长方向上的位置大致相同。
若干导电端子2分成两排分别在中央插槽14的相反两侧的端子槽153中。每一导电端子2具有固定在相应侧壁11上的基部21、自基部21朝一侧延伸入中央插槽内的接触部22、自基部21沿另一侧延伸超出绝缘本体1的安装部23、以及连接在基部21和安装部23之间的延伸部24。两排导电端子2的接触部22在中央插槽14内对应设置,两排端子2的安装部23分则分成四排,用以降低绝缘本体1在纵长方向上的长度。在本实施例中安装部23为沿竖直方向延伸,用以穿孔式(Through-hole)焊接至外部电路板900。
绝缘定位块3用以限位导电端子2的安装部23,以保证安装部23的正位度。每一绝缘定位块3分别安装在一个塔形部13和分割肋162之间,且与绝缘本体1相固定配合。每个定位块3上设有四排沿纵长方向排列的通孔31,四排安装部23分别向下穿过相应通孔31。
绝缘盖4组装固定至绝缘本体1和定位块3,并将导电端子2的延伸部24盖设在其内。绝缘盖4的中间设有向前延伸用以卡扣至绝缘本体1的卡扣钩41,绝缘盖4的顶壁设有若干间隔设置的凸肋42,绝缘盖4的底壁设有若干用于延伸部24插入的凹槽43。绝缘盖4在纵长方向上的长度与绝缘本体1在纵长方向上的长度相同。如图1所示,沿垂直于中央插槽14的方向上,塔形部13的顶侧面高于绝缘本体1的顶侧面111,绝缘盖4与塔形部13相对的顶面44低于绝缘本体的顶侧面111从而形成缺口空间,以便另一卡缘连接器沿竖直方向堆叠时,避让另一卡缘连接器的塔形部。
如图6至图7所示,锁扣臂5具有本体部51、自本体部51一侧延伸至中央插槽14内的抬起部52、以及自本体部51另一侧延伸超出塔形部13的拨动部53。本体部51上设有转轴54和止动块55,转轴54安装至塔形部13于活动槽130内的转轴孔135。拨动部53的内侧设有凸起56,以提高抗震动能力。当记忆体模组插入至中央凹槽抵压到抬起部52时,锁扣臂5绕转轴54转动,进而实现记忆体模组锁扣到卡缘连接器。当想要退出记忆体模组时,只需要按压拨动部,带动锁扣臂5绕转轴54转动,从而抬起部52抬起记忆体模组实现解锁。
加强钩6安装在绝缘本体1的相反两侧,且向下延伸超出绝缘本体1,用以安装至外部电路板时,增强卡缘连接器100的抓板力度。
如图9至图13为本发明的第二实施例,第二实施例的锁扣臂5’、绝缘定位块3’、加强钩6’、导电端子2’与第一实施例相同,就不在详细介绍。第二实施例的绝缘本体1’和绝缘盖4’与第一实施例不同,其主要区别在于,第二实施例的绝缘盖4’在纵长方向上的长度短于绝缘本体1’在纵长方向上的长度。绝缘盖4’的长度与绝缘本体1’的侧壁11’长度相同,从而绝缘盖4’与塔形部13’形成一缺口空间45’。第二实施例中的缺口空间45’比第一实施例的缺口空间更大。相比第一实施例,绝缘盖4’的相反两侧还设有用于卡扣配合至绝缘本体1的侧扣钩46’,绝缘本体1设有与侧扣够46’扣合的扣槽17’。与第一实施例一样,所述第二部分132’的宽度小于第一部分131’的宽度。
如图14和图15所示,缺口空间45’的设置和塔形部第二部分132’的宽度小于第一部分131’的宽度,可以使得两个卡缘连接器在前后方向并排和竖直方向上堆叠时,前后方向间距小和竖直方向上高度低。当然,第一实施例中的缺口空间设置和塔形部第二部分132的宽度小于第一部分131的宽度,也同样能达成这样的功效。
如图16至19为本发明的第三实施例,与第一实施例和第二实施例的主要不同在于,第一实施例和第二实施例中导电端子为穿孔焊结构,第三实施中导电端子2”为表面焊接式(SMT)结构,且第三实施例中无第一实施例和第二实施例中的绝缘定位块结构,直接通过绝缘盖4”实现导电端子2”的限位,结构更加简单。由于导电端子2”是表面焊接式结构,所以导电端子2”的安装部23”与安装面12”相互平行设置,且上排导电端子2”的基部21”更加简单。
如图20为本发明的第四实施例,其与第一至第三实施例的不同在于,只有塔形部13”’的第二部分132”’的底侧面相对第一部分131”’凹陷设置,塔形部13”’的第一部分131”’与第二部分132”’的顶侧面完全重合,从而既可以避免与另一卡缘连接器堆叠时的干涉,又可以加强塔形部的强度。
以上所述仅为本发明的一种实施方式,不是全部或唯一的实施方式,本领域普通技术人员通过阅读本发明说明书而对本发明技术方案采取的任何等效的变化,均为本发明的权利要求所涵盖。

Claims (10)

1.一种卡缘连接器,其包括绝缘本体和锁扣臂,所述绝缘本体包括沿纵长方向延伸的两侧壁、用于安装至外部电路板的安装面、连接两侧壁末端并沿垂直于两侧壁方向伸出的塔形部、以及由两侧壁与塔形部围设形成的中央插槽,所述侧壁与安装面之间的夹角为锐角,所述塔形部设有用于锁扣臂可旋转式地安装的活动槽,所述塔形部具有与两侧壁直接连接的第一部分和位于塔形部自由末端的第二部分,其特征在于:沿垂直于中央插槽的方向上,所述第二部分的宽度小于第一部分的宽度。
2.如权利要求1所述的卡缘连接器,其特征在于:所述第二部分设有用于堆叠至另一卡缘连接器的底侧壁和相对底侧壁位于中央插槽相反一侧的顶侧壁,所述底侧壁相对第一部分向中央插槽凹陷。
3.如权利要求2所述的卡缘连接器,其特征在于:所述第二部分的顶侧壁相对第一部分的顶侧壁凹陷或者平齐。
4.如权利要求1所述的卡缘连接器,其特征在于:所述卡缘连接器还包括固定于绝缘本体两侧壁上的两排导电端子,每一导电端子具有固定于绝缘本体的基部、自基部一端延伸超出绝缘本体的安装部、以及自基部另一端延伸至中央插槽内的接触部。
5.如权利要求4所述的卡缘连接器,其特征在于:所述卡缘连接器还包括组装至绝缘本体上的绝缘盖,每一导电端子具有位于基部和安装部之间的延伸部,所述绝缘盖设有延伸部收容的收容槽。
6.如权利要求5所述的卡缘连接器,其特征在于:所述绝缘盖沿纵长方向上的长度与绝缘本体沿纵长方向上的长度相等,所述绝缘盖与塔形部相对的顶面沿垂直于中央插槽的方向上低于绝缘本体的顶侧面。
7.如权利要求5所述的卡缘连接器,其特征在于:所述绝缘盖沿纵长方向上的长度小于绝缘本体沿纵长方向上的长度,所述绝缘盖的末端设有用于固定至绝缘本体上的固定部。
8.如权利要求1所述的卡缘连接器,其特征在于:所述锁扣臂具有本体部、自本体部一侧延伸至中央插槽内的抬起部、以及自本体部另一侧延伸超出塔形部的拨动部,所述拨动部的内侧设有凸起,以提高抗震动能力。
9.如权利要求5所述的卡缘连接器,其特征在于:所述卡缘连接器还包括用于延伸部穿过的绝缘定位块,所述绝缘定位块上设有四排通孔用于相应安装部各自穿过。
10.一种卡缘连接器组合,其包括相互并排设置的两个卡缘连接器,每一卡缘连接器包括绝缘本体和锁扣臂,所述绝缘本体包括沿纵长方向延伸的两侧壁、用于安装至外部电路板的安装面、连接两侧壁末端并沿垂直于两侧壁方向伸出的塔形部、以及由两侧壁与塔形部围设形成的中央插槽,所述侧壁与安装面之间的夹角为锐角,所述侧壁设有用于锁扣臂可旋转式地安装的活动槽,所述塔形部具有与两侧壁直接连接的第一部分和位于塔形部自由末端的第二部分,其特征在于:沿垂直于中央插槽的方向上,所述第二部分的宽度小于第一部分的宽度,以方便一个卡缘连接器的第二部分堆叠至另一卡缘连接器的第一部分而不干涉。
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