CN110581370A - 端子和连接器 - Google Patents

端子和连接器 Download PDF

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CN110581370A
CN110581370A CN201910490841.8A CN201910490841A CN110581370A CN 110581370 A CN110581370 A CN 110581370A CN 201910490841 A CN201910490841 A CN 201910490841A CN 110581370 A CN110581370 A CN 110581370A
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terminal
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holder
top plate
housing
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CN110581370B (zh
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金大成
长坂尚一
斋藤淳仁
千叶真吾
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Yazaki Corp
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    • HELECTRICITY
    • H01ELECTRIC 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
    • H01R13/4367Insertion of locking piece from the rear
    • H01R13/4368Insertion of locking piece from the rear comprising a temporary and a final locking position
    • HELECTRICITY
    • H01ELECTRIC 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
    • H01R13/422Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means
    • H01R13/4223Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means comprising integral flexible contact retaining fingers
    • HELECTRICITY
    • H01ELECTRIC 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
    • H01R13/02Contact members
    • H01R13/04Pins or blades for co-operation with sockets
    • HELECTRICITY
    • H01ELECTRIC 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
    • HELECTRICITY
    • H01ELECTRIC 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
    • H01R13/424Securing in base or case composed of a plurality of insulating parts having at least one resilient insulating part
    • HELECTRICITY
    • H01ELECTRIC 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
    • H01R13/50Bases; Cases formed as an integral body
    • HELECTRICITY
    • H01ELECTRIC 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
    • H01R13/516Means for holding or embracing insulating body, e.g. casing, hoods
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/10Electrically-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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18Electrically-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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/10Electrically-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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18Electrically-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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183Electrically-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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184Electrically-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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/10Electrically-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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18Electrically-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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183Electrically-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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184Electrically-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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H01R4/185Electrically-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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion combined with a U-shaped insulation-receiving portion
    • HELECTRICITY
    • H01ELECTRIC 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
    • H01R13/4361Insertion of locking piece perpendicular to direction of contact insertion
    • H01R13/4362Insertion of locking piece perpendicular to direction of contact insertion comprising a temporary and a final locking position

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  • Connector Housings Or Holding Contact Members (AREA)

Abstract

目的在于提供一种能够提高端子强度的端子。已与电线连接的端子(4)的箱部(41)具有顶板(46)和内板(45)。顶板(46)包括由切口部(463)成形的前方顶板(461)和后方顶板(462)。后方顶板(462)成形有切口部(463)从而具有凸部卡合面(462A)。内板(45)具有凸部(45A)。在顶板(46)与内板(45)重叠的状态下,凸部(45A)与凸部卡合面(462A)卡合。

Description

端子和连接器
技术领域
本发明涉及被容纳于连接器的端子和连接器。
背景技术
以往,在连接器中,已知在保持架被预先保持在壳体的临时卡定位置的状态下,与电线连接后的端子被插入到腔室,在腔室(端子容纳室)的底壁设置有的进行挠曲形变的矛杆与端子的被卡定部卡合。之后,将保持架从临时卡定位置压入(插入)到正式卡定位置,从而保持架的防脱部与端子的颚部(保持架卡定部)卡合(例如专利文献1)。
现有技术文献
专利文献
专利文献1:日本特开2003-243079号公报
发明内容
本发明欲解决的问题
对于专利文献1所记载的连接器,端子的连接部具有:底板、一对对置的侧板、内板以及顶板。顶板具有被成形有凹部且与凹部相邻地突出的被卡定部。此处,端子的顶板的强度由于凹部而变弱。在处理已与电线连接的端子当中,若在端子的颚部被卡挂在周边的状态下对电线施加拉伸力,则端子有可能以顶板的后方侧为起点进行形变。
本发明是鉴于上述情况而完成的,其目的在于提供一种能够提高端子强度的端子。
用于解决问题的技术方案
为解决上述问题,达到目的,本发明所涉及的端子的特征在于,包括电线和与所述电线连接的端子,所述端子具有箱部和电线连接部,所述箱部的与前后方向正交的方向的截面是矩形,所述箱部具有底板、第1侧板、第2侧板、内板和顶板,所述第1侧板和所述第2侧板在宽度方向对置,所述底板和所述内板在高度方向对置,所述顶板在所述内板中的与所述底板对置侧的相反侧与所述内板重叠,并且所述顶板在前后方向的中间成形有切口部,并且包括前方侧的前方顶板和后方侧的后方顶板,所述前方顶板在后方侧具有第1被卡定部,所述后方顶板在前方侧具有凸部卡合面,在后方侧具有第2被卡定部,所述内板具有向所述顶板侧突出的凸部,所述凸部在前后方向与所述凸部卡合面卡合。
另外,本发明所涉及的连接器的特征在于,包括端子、壳体和保持架,所述壳体具有壳体主体,在所述壳体主体,在前后方向上成形有将所述壳体主体贯通的端子容纳室,并且在所述端子容纳室的后方侧具有开口部,所述端子容纳室的与前后方向正交的方向的截面是矩形,所述壳体主体具有:能弹性形变的矛杆,将第1卡定部向所述端子容纳室内突出;主体下表面,是所述壳体主体的下方侧的面;保持架插入空间,在前后方向上位于所述矛杆的后方侧,并且将所述端子容纳室分离;以及插入空间开口部,形成于所述保持架插入空间的下方侧,所述端子被从所述壳体主体的后方侧的所述开口部向所述端子容纳室插入,所述保持架从所述壳体主体的下方侧的所述插入空间开口部向上方地插入到所述保持架插入空间,并且所述保持架具有:突条部;第2卡定部;和保持架下表面,是所述保持架的下方侧的面,所述突条部向上方侧突出,并且在从高度方向观察的情况下,是能进入到所述切口部的尺寸,在所述端子的一部分被插入到所述端子容纳室的状态即中途插入状态下,当所述保持架朝向上方地插入到所述保持架插入空间的情况下,所述突条部与所述凸部抵接,所述保持架下表面与所述壳体主体的所述主体下表面相比以相对于预定的突出量增加了所述凸部的突出量的方式向下方突出。
另外,在所述连接器中,所述壳体主体和所述保持架具有临时卡定单元和正式卡定单元。
发明效果
本发明所涉及的端子和连接器取得了端子强度提高这样的效果。
附图说明
图1是示出本发明的一个实施方式相关的连接器的剖视图。
图2是壳体的立体图。
图3是壳体的剖视图。
图4是保持架的立体图。
图5是端子的立体图。
图6是表示端子的中途插入状态的连接器的剖视图。
图7是图6的局部剖视图。
附图标记的说明
1:连接器
2:壳体
21:壳体主体
21A:下表面
21C:临时卡定突出部(临时卡定单元)
21D:正式卡定突出部(正式卡定单元)
211:端子容纳室
216:开口部
217:矛杆
217A:第1卡定部
218:插入空间
218A:插入空间开口部
3:保持架
3A:保持架下表面
32A:卡定突出部(临时卡定单元、正式卡定单元)
36A:第2卡定部
37:突条部
4:端子
41:箱部
42:底板
43:第1侧板
44:第2侧板
45:内板
45A:凸部
46:顶板
461:前方顶板
461A:第1被卡定部
462:后方顶板
462A:凸部卡合面
462B:第2被卡定部
463:切口部
47:电线连接部
W:电线
具体实施方式
下面,基于附图详细说明本发明所涉及的连接器的实施方式。此外,本发明不限于本实施方式。
[实施方式]
参照图1~7说明本发明的一个实施方式所涉及的连接器的构成。
图1是示出本发明的一个实施方式相关的连接器1的截面。图2是壳体2的立体图。图3是壳体2的剖视图。图4是保持架3的立体图。图5是端子4的立体图。图6是表示端子4的中途插入状态的连接器1的剖视图。图7是图6的局部剖视图。此外,在图1和图6中,仅对于上下方向Z的两段端子容纳室211中的上方Z1侧的端子容纳室211表示与电线W连接的端子4。
图中,X示出连接器1的前后方向,X1是前方,是端子4相对于壳体2的插入方向,X2是后方,是端子4相对于壳体2的脱离方向。Y示出连接器1的宽度方向,Y1是左方,Y2是右方。Z示出高度方向,Z1是上方,Z2是下方。此外,X、Y、Z是互相正交的方向。
如图1所示,连接器1包括壳体2、端子4和保持架3,端子4与电线W连接。此外,本实施方式的连接器1是容纳阳型的端子4的阳型的连接器。
如图2、图3所示,壳体2具有罩部22和壳体主体21,利用绝缘性的合成树脂由模具注射成形。罩部22位于壳体2的前方X1侧。壳体主体21位于壳体2的后方X2侧。
罩部22是与前后方向X正交的截面为矩形的筒状。罩部22在其内侧成形有嵌合空间222,在前方X1侧具有向嵌合空间222突出的锁定突起221。在罩部22的嵌合空间222插入未图示的配对侧连接器,并且通过锁定突起221与配对侧连接器的锁定卡合,从而配对侧连接器与连接器1嵌合。
壳体主体21形成为与前后方向X正交的截面为矩形的长方体。壳体主体21的下方Z2侧的面是下表面21A。在壳体主体21成形有多个端子容纳室211和保持架插入空间218。壳体主体21在端子容纳室211的后方X2侧具有开口部216,在保持架插入空间218的下方Z2侧具有插入开口空间218A。本实施方式的各端子容纳室211分别是相同形状。壳体主体21分别具有能相对于壳体主体21弹性形变的矛杆217,壳体主体21具有朝向多个端子容纳室211中的上方Z1侧突出的第1卡定部217A。此处,壳体主体21位于矛杆的后方X2侧并成形有保持架插入空间218。本实施方式的壳体主体21在高度方向Z为2段,且在宽度方向Y成形有13列端子容纳室211。
端子容纳室211是成形为在前后方向X将壳体主体21贯通的空间。端子容纳室211被壳体主体21的前方X1侧的前壁212、在高度方向Z对置的上壁213和下壁214以及在宽度方向Y对置的侧璧215划分成。端子容纳室211是与前后方向X正交的截面为矩形的长方体。此外,如图3所示,上方Z1侧的端子容纳室211的下壁214兼作下方Z2侧的端子容纳室211的上壁213。端子容纳室211在前方X1侧中,经由前壁212的贯通孔212A而与罩部22的嵌合空间222连通,另外,后方X2侧中,经由开口部216与外部连通。
矛杆217具有基部217B、连结臂217C和第1卡定部217A,基部217B位于矛杆217的后方X2侧并与下壁214连结,另外,连结臂217C比第1卡定部217A的前方X1侧更向前方X1延伸,并与前壁212连结。第1卡定部217A位于连结臂217C与基部217B之间。矛杆217为双支承梁状,并能够朝向在矛杆217的下方Z2侧成形有的挠曲空间217D进行弹性形变。此处,若已与电线W连接的端子4从壳体主体21的后方X2侧的开口部216插入到端子容纳室211,则端子4开始相对于向端子容纳室211内突出的矛杆217滑动,另外,矛杆217朝向下方Z2侧的挠曲空间217D弹性形变。在端子4被容纳在端子容纳室211的预定位置、即插入完成状态下,端子4相对于矛杆217的滑动消失,另外,矛杆217从弹性形变复原,矛杆217的第1卡定部217A与后述的端子4的第1被卡定部461A在前后方向X对置并卡合(参照图1)。
如图3所示,保持架插入空间218是成形为从壳体主体21的下方Z2侧的插入空间开口部218A向上方Z1凹陷的空间。保持架插入空间218在宽度方向Y上被壳体主体21的对置的空间侧壁21B划分成,上方Z1侧被上壁213划分成,另外,下方Z2侧经由插入空间开口部218A与外部连通。保持架插入空间218是与前后方向X正交的方向的截面为矩形的长方体。保持架插入空间218在前后方向X位于矛杆17的后方X2侧即壳体主体21的中间,并将多个端子容纳室211分离。在保持架插入空间218,从插入空间开口部218A向上方Z1插入保持架3。对置的空间侧壁21B分别具有在宽度方向Y向插入空间218侧突出的临时卡定突出部21C和正式卡定突出部21D。
如图5所示,端子4通过对由铜或者铜合金等金属材料制成的导电性的金属板进行冲压加工、弯曲加工从而成形。端子4具有触片48、箱部41和电线连接部47。此外,本实施方式的端子4是具有触片48的阳型的端子。端子4与电线W连接之后,分别插入到壳体主体21的多个端子容纳室211。
触片48是与箱部41的前方X1侧连接设置,且与前后方向X正交的方向的截面为矩形的长方体。触片48在插入完成状态下,将贯通孔212A插通,并且向嵌合空间222突出。
箱部41具有底板42、第1侧板43、第2侧板44、内板45和顶板46。箱部41是与前后方向X正交的方向的截面为矩形的筒状。箱部41的第1侧板43和第2侧板44在宽度方向Y对置,底板42和内板45在高度方向Z对置。底板42在宽度方向的两端部中的左方Y1侧的端部连结有第1侧板43,在右方Y2侧的端部连结有第2侧板44。第1侧板43在上方Z1侧的端部与顶板46连结。第2侧板44在上方Z1侧的端部与内板45连结。顶板46在高度方向Z与内板45的下方Z2侧重叠。即,顶板46在高度方向Z,在内板45中的与底板42对置侧的相反侧,与内板45重叠。此外,在箱部41的后方X2侧设置有从第1侧板43向下方Z2延伸并折回的稳定器43A。
顶板46在前后方向X,在中间成形有切口部463。顶板46隔着切口部463而包括前方X1侧的前方顶板461和后方X2侧的后方顶板462。切口部463在宽度方向Y,从第1侧板43的左方Y1侧的面跨越第2侧板44的右方Y2侧的面地成形。
前方顶板461具有第1被卡定部461A。第1被卡定部461A位于前方顶板461的后方X2侧,利用模压加工成形为近似三棱锥状。第1被卡定部461A在插入完成状态下,与矛杆17的第1卡定部217A卡合(参照图1)。具体而言,第1卡定部217A的前方X1侧的面与近似三棱锥状的第1被卡定部461A的后方X2侧的面卡合。
后方顶板462在前方X1侧具有凸部卡合面462A,在后方X2侧具有第2被卡定部462B。凸部卡合面462A是由顶板46的切口部463成形的、后方顶板462的前方X1侧的面。第2被卡定部462B是后方顶板462的后方X2侧的面。
内板45具有向顶板46侧即下方Z2突出的凸部45A。凸部45A是在前后方向X将内板45的中间切开后抬起而成形的板45B,板45B前方X1侧与内板45连结,后方X2侧向下方Z2侧突出,并且从前方X1侧到后方X2侧向下方Z2侧倾斜,在后方X2侧具有缘部45C。
凸部45A若通过将端子4弯曲加工从而顶板46与内板45重叠,则会在前后方向X与后方顶板462的凸部卡合面462A卡合。具体而言,凸部45A的缘部45C与凸部卡合面462A卡合。此处,考虑到将端子4弯曲加工,本实施方式的凸部45A与凸部卡合面462A卡合包含:在前后方向X,凸部45A的缘部45C与凸部卡合面462A之间有以及没有间隙的情况。
后方顶板462在后方X2侧具有后方切口部462C。后方切口部462C在宽度方向Y,使稳定器43A在端子4的宽度尺寸内向下方Z2突出。后方顶板462以被凸部45A中的后方X2侧的缘部45C与稳定器43A的朝向前方X1侧的面夹着的方式定位。
电线连接部47与箱部41的后方X2侧连接设置,并且具有芯线压紧片47A和覆皮压紧片47B。电线连接部47在与前后方向X正交的截面观察时为U形。电线连接部47如图1所示,芯线压紧片47A相对于芯线WA而被压紧,另外,覆皮压紧片47B相对于覆皮WB而被压紧。由此,相对于端子4连接有电线W。此外,芯线WA由铜或者铜合金、铝或者铝合金等金属材料成形。
如图4所示,保持架3是与前后方向X正交的方向的截面为矩形的长方体,利用绝缘性的合成树脂由模具注射成形。在保持架3成形有多个端子插通孔31。本实施方式的保持架3在高度方向Z为2段,且在宽度方向Y成形有13列端子插通孔31。此外,各端子插通孔31分别是相同的形状。
下方Z2侧的端子插通孔31被在高度方向Z对置的上板33和下板34以及在宽度方向Y对置的侧板35划分成。上方Z1侧的端子插通孔31被高度方向Z的下方Z2侧的下板34以及在宽度方向Y对置的侧板35划分成,上方Z1侧未被划分。此处,分别位于宽度方向Y的两端部的端子插通孔31通过外侧板32与侧板35的对置从而被划分成。此外,与上方Z1侧的端子插通孔31对应的下板34兼作下方Z2侧的端子插通孔31的上板33。另外,与下方Z2侧的端子插通孔31对应的下板34兼作表面板34A,表面板34A的下方Z2侧的面是保持架下表面3A。
左方Y1侧的外侧板32具有向左方Y1突出的卡定突出部32A,另外,右方Y2侧的外侧板32具有向右方Y2突出的卡定突出部32A。
保持架3从壳体主体21的下方Z2侧的插入空间开口部218A向上方Z1地插入到保持架插入空间218。此处,卡定突出部32A在保持架插入空间218插入有保持架3的状态下,与临时卡定突出部21C或者正式卡定突出部21D卡合,并且保持架3在与临时卡定突出部21C卡合的状态下相对于壳体主体21的位置为临时卡定位置,保持架3在与正式卡定突出部21D卡合的状态下相对于壳体主体21的位置为正式卡定位置。
保持架3在临时卡定位置时,保持架3的卡定突出部32A与壳体主体21的临时卡定突出部21C卡合,保持架3的保持架下表面3A从壳体主体21的下表面21A向下方Z2突出。另外,保持架3的端子插通孔31在前后方向X上与壳体主体21的端子容纳室211一致地连通。即,在临时卡定位置,在将端子4插入到端子容纳室211的过程中,能够使端子4穿过端子插通孔31。该状态是临时卡定状态,保持架3的卡定突出部32A和壳体主体21的临时卡定突出部21C构成临时卡定单元。
保持架3在正式卡定位置时,保持架3的卡定突出部32A与壳体主体21的正式卡定突出部21D卡合,并且保持架3的保持架下表面3A如图1所示,与壳体主体21的下表面21A在高度方向Z成为大致共面。另外,保持架3的端子插通孔31相对于壳体主体21的端子容纳室211向上方Z1侧偏离,从而后述保持架3的第2卡定部36A与端子4的第2被卡定部462B卡合(参照图1)。该状态是正式卡定状态,保持架3的卡定突出部32A和壳体主体21的正式卡定突出部21D构成正式卡定单元。
保持架3具有第2卡定部36A和槽部38以及突条部37。
第2卡定部36A是保持架3的下板34中的前方X1侧的面,与突条部37的前方X1侧的面为同一面。
槽部38在左方Y1侧与突条部37相邻,另外,在右方Y2侧与侧板35或外侧板32相邻。槽部38在下板34的上方Z1侧沿着前后方向X成形。此处,槽部38在以临时卡定状态将端子4插入到端子容纳室211的过程中,容许稳定器43A穿过。
突条部37的左方Y1侧的端部与侧板35或外侧板32连结。突条部37从下板34中的上方Z1侧的面向上方Z1突出。突条部37的前方X1侧的面与下板34的前方X1侧的面为同一面,另外,后方X2侧为倾斜面并且未到达下板34的后方X2侧的面。
突条部37的尺寸在前后方向X设定得比端子4的切口部463的尺寸小。顶板46的切口部463在宽度方向Y,从第1侧板43的左方Y1侧的面跨越第2侧板44的右方Y2侧的面地成形。即,突条部37在高度方向Z设定为在将突条部37投影到切口部463的情况下,能进入到切口部的尺寸。此处,假如设想在内板45不具有凸部45A的情况,在端子4被中途插入到端子容纳室211的状态即中途插入状态下,若将处于临时卡定状态的保持架3向上方Z1插入,则突条部37与内板45抵接。由此,保持架下表面3A从下表面21A突出预定的突出量“T”(参照图6、图7)。另一方面,如本实施方式所示,若内板45具有凸部45A,则在中途插入状态下,若将处于临时卡定状态的保持架3向上方Z1插入,则保持架3的突条部37与内板45的凸部45A抵接,保持架下表面3A比下表面21A增加在预定的突出量“T”增加有的凸部的突出量ΔT地向下方Z2突出。
此处,说明连接器1的组装。保持架3预先从壳体主体21的插入空间开口部218A插入到保持架插入空间218,相对于壳体主体21而位于临时卡定位置并处于临时卡定状态。在临时卡定状态下,已与电线W连接的端子4从壳体主体21的开口部216向多个端子容纳室211插入。若端子4被容纳在端子容纳室211的预定位置,并成为插入完成状态,则端子4相对于矛杆217卡合。接下来,将位于临时卡定位置的保持架3插入到正式卡定位置。若保持架3位于正式卡定位置并成为正式卡定状态,则保持架3的第2卡定部36A与端子4的第2被卡定部462B卡合。如上所述,完成连接器1的组装。
在本实施方式中,如图5所示,端子4的顶板46与内板45重叠,另外,在前后方向X,内板45的凸部45A与后方顶板462的凸部卡合面462A卡合。因此,在用搬运等方式处理已与电线W连接的端子4过程中,即使在端子4的后方顶板462的后方X2侧卡挂在周边的状态下,对电线W施加向后方X2的拉伸力,也能防止后方顶板462在前后方向X上与内板45的相对移动。所以,能够防止由于后方顶板462与内板45的相对移动而导致箱部41变形。由此,可以提高端子4的强度。
另外,在本实施方式中,在中途插入状态下,若将处于临时卡定状态的保持架3向上方Z1插入,则保持架3的突条部37与内板45的凸部45A抵接,保持架下表面3A比下表面21A增加在预定的突出量T增加有的凸部的突出量ΔT地向下方Z2突出。所以,与保持架3在正式卡定位置时保持架下表面3A与下表面21A在高度方向Z成为大致相同面的情况相比,在中途插入状态下,保持架下表面3A在保持架3的突条部37与内板45的凸部45A抵接的状态下相对于下表面21A的向下方Z2的突出量增加,因此,操作员能够容易基于视觉或触觉,掌握端子4为中途插入状态。由此,能够更可靠地检测插入到壳体2的端子4的中途插入,能够利用使端子4的强度提高的凸部来提高检测精度。
在本实施例中,保持架3的卡定突出部32A和壳体主体21的临时卡定突出部21C构成临时卡定单元,另外,保持架3的卡定突出部32A和壳体主体21的正式卡定突出部21D构成正式卡定单元。保持架3预先从壳体主体21中的下方Z2侧的插入空间开口部218A向上方Z1地插入到保持架插入空间218,保持架3成为临时卡定状态。在保持架3的临时卡定状态下,保持架3的端子插通孔31在前后方向X与壳体主体21的端子容纳室211一致并连通,并且在将端子4插入到端子容纳室211的过程中,端子4能够穿过端子插通孔31。所以,能够在使保持架3相对于壳体2为临时卡定状态并一体化的状态下,向端子4的插入工序供给壳体2。另外,壳体2和保持架3一体化,从而管理变得容易。
在上述的实施方式中,是容纳具有触片48的阳型的端子4的阳型的连接器1,但也可以是容纳阴型的端子的阴型的连接器。
在上述的实施方式中,在临时卡定状态下,壳体主体21的临时卡定突出部21C与保持架3的卡定突出部32A卡合,另外,在正式卡定状态下,壳体主体21的正式卡定突出部21D与保持架3的卡定突出部32A卡合。但是,也可以去除壳体主体21的临时卡定突出部21C,而去除临时卡定状态。但是,在该情况下,若保持架的端子插通孔为完全的筒状,则由于保持架相对于壳体主体的组装消失,因此,端子插通孔需要为半筒状。
在上述的实施方式中,端子4中的顶板46的切口部463在宽度方向Y,从第1侧板43的左方Y1侧的面跨越第2侧板44的右方Y2侧的面地成形。但是,顶板46的切口部也可以是在宽度方向Y在顶板的宽度尺寸内成形的孔。在该情况下,突条部的宽度尺寸需要小于顶板的孔的宽度尺寸。

Claims (3)

1.一种端子,其特征在于,
包括电线和与所述电线连接的端子,
所述端子具有箱部和电线连接部,
所述箱部的与前后方向正交的方向的截面是矩形,
所述箱部具有底板、第1侧板、第2侧板、内板和顶板,
所述第1侧板和所述第2侧板在宽度方向对置,
所述底板和所述内板在高度方向对置,
所述顶板在所述内板中的与所述底板对置侧的相反侧与所述内板重叠,并且
所述顶板在前后方向的中间成形有切口部,并且包括前方侧的前方顶板和后方侧的后方顶板,
所述前方顶板在后方侧具有第1被卡定部,
所述后方顶板在前方侧具有凸部卡合面,在后方侧具有第2被卡定部,
所述内板具有向所述顶板侧突出的凸部,
所述凸部在前后方向与所述凸部卡合面卡合。
2.一种连接器,其特征在于,
包括权利要求1所述的端子、壳体和保持架,
所述壳体具有壳体主体,
在所述壳体主体,在前后方向上成形有将所述壳体主体贯通的端子容纳室,并且
在所述端子容纳室的后方侧具有开口部,
所述端子容纳室的与前后方向正交的方向的截面是矩形,
所述壳体主体具有:
能弹性形变的矛杆,其将第1卡定部向所述端子容纳室内突出;
主体下表面,其是所述壳体主体的下方侧的面;
保持架插入空间,其在前后方向上位于所述矛杆的后方侧,并且将所述端子容纳室分离;以及
插入空间开口部,其形成于所述保持架插入空间的下方侧,
所述端子被从所述壳体主体的后方侧的所述开口部向所述端子容纳室插入,
所述保持架从所述壳体主体的下方侧的所述插入空间开口部向上方地插入到所述保持架插入空间,并且
所述保持架具有:
突条部;
第2卡定部;和
保持架下表面,其是所述保持架的下方侧的面,
所述突条部向上方侧突出,并且在从高度方向观察的情况下,是能进入到所述切口部的尺寸,
在所述端子的一部分被插入到所述端子容纳室的状态即中途插入状态下,当所述保持架朝向上方地插入到所述保持架插入空间的情况下,所述突条部与所述凸部抵接,
所述保持架下表面与所述壳体主体的所述主体下表面相比以相对于预定的突出量增加了所述凸部的突出量的方式向下方突出。
3.如权利要求2所述的连接器,其特征在于,
所述壳体主体和所述保持架具有临时卡定单元和正式卡定单元。
CN201910490841.8A 2018-06-07 2019-06-06 端子和连接器 Active CN110581370B (zh)

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CN110581370B (zh) 2021-03-05
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