CN110534951A - 连接器 - Google Patents

连接器 Download PDF

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CN110534951A
CN110534951A CN201910430500.1A CN201910430500A CN110534951A CN 110534951 A CN110534951 A CN 110534951A CN 201910430500 A CN201910430500 A CN 201910430500A CN 110534951 A CN110534951 A CN 110534951A
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terminal
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top plate
accommodating chamber
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CN110534951B (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
    • H01R13/424Securing 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
    • H01R13/40Securing 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
    • 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
    • H01R13/10Sockets for co-operation with pins or blades
    • H01R13/11Resilient 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
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    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • 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
    • H01R13/02Contact 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
    • H01R13/02Contact members
    • H01R13/10Sockets for co-operation with pins or blades
    • H01R13/11Resilient sockets
    • H01R13/113Resilient sockets co-operating with pins or blades having a rectangular transverse section
    • 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
    • H01R13/10Sockets for co-operation with pins or blades
    • H01R13/11Resilient sockets
    • H01R13/114Resilient sockets co-operating with pins or blades having a square transverse section
    • 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
    • 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
    • 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
    • H01R13/4364Insertion of locking piece from the front
    • 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
    • H01R13/502Bases; Cases composed of different pieces
    • H01R13/506Bases; Cases composed of different pieces assembled by snap action of the parts
    • 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
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/62905Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances comprising a camming member
    • H01R13/62927Comprising supplementary or additional locking means

Abstract

本发明的目的是提供一种能够提高容纳在壳体的端子容纳室中的端子的保持力的连接器。连接有电线的端子(4)被容纳在设置于连接器的壳体的端子容纳室。端子(4)通过成形于端子容纳室的矛形件的卡定面和设置在端子(4)的箱形部(41)的被卡定面(415a)的卡合被保持。被卡定面(415a)设置为沿宽度方向在前顶板(415)上到达对置板外表面(412b),该前顶板(415)通过切除箱形部(41)的顶板从而成形。卡定面和被卡定面(415a)在比对置板(412)的对置板内表面的宽度更宽的范围内彼此卡合。

Description

连接器
技术领域
本发明涉及一种端子与矛形件之间的卡合结构,其中端子被容纳在设置于壳体的端子容纳室。
背景技术
以往,已知一种连接器,其将连接有电线的端子插入于设置在连接器的壳体的端子容纳室(模腔)中,并且通过成形于端子容纳室的可弹性变形的矛形件(弹性卡定片)与端子卡合,从而将端子容纳在端子容纳室中(例如,专利文献1)。
现有技术文献
专利文献
专利文献1:日本专利特开2015-079643号公报
发明内容
发明欲解决的技术问题
在专利文献1记载的技术中,在端子的箱形部中设置有端子卡定突起和贯通孔的壁部,端子卡定突起到达贯通孔。并且,端子卡定突起的贯通孔侧的端面和矛形件的卡定部卡合。然而,在壁部成形有贯通孔,并且在端子的横向(宽度方向)的端部侧设置有连结壁部,即,存在连接壁部。因此,在考虑连接壁部的基础上来设定矛形件中的卡定部的横向(宽度方向)的尺寸,所以矛形件的卡定部与端子卡定突起之间的卡合尺寸变窄,并且卡合面积变小。因此,当拉力施加到连接于端子的电线时,有可能通过矛形件不能确保对端子具有足够的保持力。
本发明是鉴于上述情况而作出的,其目的是提供一种能够提高容纳在壳体的端子容纳室的端子的保持力的连接器。
用于解决问题的技术手段
为了解决上述问题并实现发明目的,本发明的连接器的特征在于:具备连接有电线的端子和壳体,所述壳体具有壳体主体,所述壳体主体具有端子容纳室,所述端子容纳室的与前后方向正交的方向的截面为矩形,所述端子容纳室由前壁、顶壁、两个对置壁和底壁成形而成,所述顶壁和所述底壁在与前后方向正交的上下方向上对置,所述两个对置壁在与前后方向和上下方向正交的宽度方向上对置,所述底壁具有连结在基部的可弹性变形的矛形件,所述矛形件具有面向作为所述端子的插入方向的前方侧的卡定面,所述端子具有箱形部和连接部,所述箱形部的与前后方向正交的方向的截面为矩形,所述箱形部具有顶板、两个对置板和底板,所述顶板和底板在上下方向上对置,所述两个对置板在宽度方向上对置,所述顶板至少具有前顶板,所述前顶板利用所述两个对置板中到达各对置板外表面的切口部成形而成,所述前顶板具有面向作为所述端子的分离方向即后方侧的被卡定面,在所述端子被容纳在所述端子容纳室的状态下,所述卡定面沿宽度方向在大于所述两个对置板的两对置板内表面宽度的范围内与所述被卡定面卡合。
此外,所述连接器中,所述前顶板的所述被卡定面具有:水平被卡定面部;和凸形被卡定面部,所述凸形被锁定卡定面部在前后方向上通过在所述前顶板上成形有到达所述被卡定面的凸部而沿上下方向突出。
此外,所述连接器中,所述前顶板在宽度方向上与所述两个对置板中的一个对置板连结,并且具有从另一个对置板侧朝向所述底板侧突出的前凸部,所述另一个所述对置板具有从所述顶板侧朝向所述底板侧切除的前凹部,所述前凸部与所述前凹部嵌合。
此外,所述连接器中,所述端子容纳室的所述两个对置壁具有从各对置壁内表面沿宽度方向向外凹陷的凹槽,所述凹槽沿着前后方向成形在与矛形件侧面对置的部分。
发明效果
本发明所涉及的连接器具有能够提高容纳在壳体的端子容纳室的端子的保持力的效果。
附图说明
图1是示出本发明的一个实施方式所涉及的连接器的立体图。
图2是连接器的剖视图。
图3是连接器的壳体的剖视图。
图4是从后侧观察的图3的端子容纳室的局部剖视立体图。
图5是从前侧观察的图3的端子容纳室的局部剖视立体图。
图6是从前侧观察的端子的立体图。
图7是从后侧观察的端子的立体图。
图8是从图2的A-A观察的局部剖视图。
图9是表示图2的端子和矛形件的卡合状态的局部放大图。
符号说明
1:连接器
2:壳体
21:壳体主体
23:前壁
24:端子容纳室
241:底壁
242:对置壁
242a:对置壁内表面
242b:凹槽
243:上壁
25:矛形件
25a:矛形件侧面
252:基部
253a:卡定面
4:端子
41:箱形部
411:底板
412:对置板
412x:前凹部
414:顶板
415:前顶板
415a:被卡定面
415b:水平被卡定面部
415x:前凸部
417b:凸形被卡定面部
418:切口部
42:连接部
W:电线
T1:两对置板内表面宽度
具体实施方式
下面,将参照附图对本发明所涉及的连接器的实施例进行详细说明。应该注意的是,本发明不受该实施例的限制。
[实施方式]
下面将参照附图1~9对本发明一个实施方式所涉及的连接器的构成进行说明。图1是示出本发明的一个实施方式所涉及的连接器的立体图。图2是连接器的剖视图。图3是连接器的壳体的剖视图。图4是从后方向X2侧观察的图3的端子容纳室的局部剖视立体图。图5是从前方向X1侧观察的图3的端子容纳室的局部剖视立体图。图6是从前侧观察的端子的立体图。图7是从后侧观察端子的立体图。图8是从图2的A-A观察的局部剖视图。图9是表示图2的端子和矛形件的卡合状态的局部放大图。需要说明的是,图1中未示出电线W。在图中,X表示连接器1的前后方向,X1表示前方,并且还表示端子4相对于壳体2的插入方向。X2是后方,也是端子4相对于壳体2的分离方向。Y表示连接器1的宽度方向,Y1是左方,Y2是右方。Z表示高度方向,Z1表示上方,Z2表示下方。注意,X、Y和Z是彼此正交的方向。
如图1、2所示,本实施方式所涉及的连接器1具有壳体2、与电线W连接的端子4以及侧隔板3。再者,连接器1是容纳有阴端子4的阴连接器。
如图1、图3所示,壳体2由绝缘性的合成树脂利用模具注塑成形,并具有壳体主体21和锁定臂22。壳体主体21是与前后方向X正交的方向上的截面为矩形的长方体形状。壳体主体21具有插入空间26,该插入空间26前后方向X的中间安装有侧隔板3。锁定臂22的前方X1侧在壳体主体21的上表面211连结,成为能够在高度方向Z上弹性变形的悬臂形状。锁定臂22具有锁定突起221,该锁定突起221在前后方向X的中间与未图示的配对连接器卡合,并且在后方X2侧具有用于解除与未图示的配对连接器的卡合状态的操作部222。
如图1、3所示,壳体2在壳体主体21的前方X1侧具有多个接线片插入孔231。多个接线片插入孔231具有相同的形状。接线片插入孔231从位于前方X1的前壁23的前表面212朝后方X2贯通,供未图示的配对连接器的接线片插入。需要说明的是,在本实施方式中,设置有2×13=26(个)接线片插入孔231。
如图3、图8所示,壳体主体21具有多个端子容纳室24。多个端子容纳室24具有相同的形状。端子容纳室24在与前后方向X正交的方向上具有矩形截面,且端子容纳室24被成形为长方体形状。端子容纳室24由前壁23、顶壁243、两个对置壁242、242和底壁241成形而成。顶壁243和底壁241在高度方向Z上对置。两个对置壁242、242在宽度方向Y上对置。底壁241具有利用后述的基部252连结的可弹性变形的矛形件25。接线片插入孔231和端子容纳室24是在前后方向X上连续的空间。端子容纳室24的后方X2侧在后表面213成为开口244。需要说明的是,在本实施方式中,设置2×13=26(个)端子容纳室24。此外,在本实施方式中,如图3所示,在高度方向Z上,划分下方Z2侧端子容纳室24的上壁243还兼用作分割上方Z1侧端子容纳室24的底壁241。
如图4、图5、图8所示,端子容纳室24的两个对置壁242、242具有从各对置壁内表面242a、242a朝向左方Y1和右方Y2(宽度方向Y外侧)凹陷的凹槽242b、242b。凹槽242b、242b在宽度方向Y上与后述的矛形件25的矛形件侧面25a、25a对置,并且沿前后方向X成形而成。
如图4、图5所示,矛形件25具有矛形件主体251和连结臂254、254,成为可在高度方向Z上弹性变形的两端支承梁形状。在矛形件主体251中,后方X2侧的基部252连结于底壁241,并且前方X1侧经由连结臂254、254连结于前壁23。矛形件主体251具有卡定部253和在上方Z1侧沿前后方向X的引导槽251a。矛形件25的卡定部253具有面向作为端子插入方向即前方X1侧的卡定面253a。
这里,如图5所示,在宽度方向Y上,卡定面253a的宽度被称为“卡定面宽度TX”。
在矛形件25的下方Z2侧,邻近矛形件25设置有弯曲空间27。弯曲空间27成形为从矛形件25的基部252朝向前方X1贯通前壁23到达前表面212的空间。
如图6和图7所示,端子4通过对由铜或铜合金等金属材料制成的导电金属板进行冲压加工或弯曲加工而成形,并且具有箱形部41和连接部42。箱形部41和连接部42在前后方向X上连结成为一体。需要说明的是,端子4是与为图示的配对端子的接线片连接的阴型端子。
箱形部41在与前后方向X正交的方向上的截面为矩形形状,并成形为长方体形状。箱形部41具有顶板414、上板413、两个对置板412和412以及底板411。上板413和底板411在高度方向Z上对置。两个对置板412、412在宽度方向Y上对置。顶板414叠置在上板413的下方Z2侧并与底板411对置。顶板414在宽度方向Y上与两个对置板412、412中的、右方Y2侧的一个对置板412在下方Z2侧连结。上板413在宽度方向Y上与两个对置板412、412中的、左方Y1侧的另一个对置板412在下方Z2侧连结。底板411在上方Z1侧与两个对置板连结。需要说明的是,在箱形部41中,如图6所示,设置有可弹性变形的接触弹簧411a,该接触弹簧411a在底板411的前方X1侧折回并向后方X2延伸。
顶板414在前后方向X的中间具有:利用两个对置板412和412中到达各对置板外表面412b、412b的切口部418成形而成的、位于前方X1侧的前顶板415和位于后方X2侧的后顶板416。前顶板415具有面向端子4的分离方向即后方X2侧的被卡定面415a。被卡定面415a在宽度方向Y上到达两个对置板412、412的各对置板外表面412b、412b。
在前顶板415中,沿前后方向X,到达被卡定面415a的凸部417朝向下方Z2突出地成形而成。本实施方式中的凸部417被成形为大致三棱锥形状。前顶板415的被卡定面415a具有:水平被卡定面部415b;和凸形被卡定面部417b,凸形被卡定面部417b通过成形有凸部417而朝向下方Z2突出。
前顶板415具有沿宽度方向Y与两个对置板412、412中的、右方Y2侧的一个对置板412连结,并且从左方Y1侧的另一个对置板412侧朝向底板411侧突出的前凸部415x。前凸部415x的后方X2侧的端面与水平被卡定面部415b齐平(参见图7)。后顶板416具有沿宽度方向Y从与两个对置板412、412中的左方Y1侧的另一个对置板412侧朝向底板411侧突出的后凸部415y。这里,另一个对置板412具有从顶板414侧朝向底板411侧切出的前凹部412x和后凹部412y。前凹部412x和后凹部412y通过从上板413和另一个对置板412的弯曲部部分地切除上板413和另一个对置板412而成形而成。在箱形部41被弯曲加工的状态下,前凸部415x和前凹部412x卡合,此外后凸部415y和后凹部412y卡合。前凸部415x和后凸部415y是另一个对置板412的一部分。再者,另一个对置板412在后方X2侧具有朝下方Z2侧突出的稳定器(stabilizer)412z。
这里,如图8所示,在宽度方向Y上,对置板412、412的厚度称为“板厚T”,两个对置板412、412之间的内表面宽度称为“两对置板内表面宽度T1”,两个对置板412、412之间的外表面宽度称为“两对置板外表面宽度T2”,并且如图7所示,被卡定面415a的宽度称为“被卡定面宽度T3”。本实施方式中的两个对置板外表面宽度T2等于被卡定面宽度T3(T2=T3)。
连接部42在前后方向X上具有:位于前方X1侧的芯线压接片42a,以及位于后方X2侧的覆皮压接片42b。连接部42在垂直于前后方向X的方向上具有U字形截面。在电线W连接于连接部42的状态下,芯线Wa被芯线压接片42a压接,并且覆皮Wb被覆皮压接片42b压接(参见图2)。需要说明的是,芯线Wa由铜或铜合金或铝或铝合金等金属材料成形而成。
这里,对连接器1的组装进行说明。在将端子4插入端子容纳室24之前的阶段中,侧隔板3插入于壳体主体21的插入空间26中并通过临时卡定单元(未示出)临时卡定。接下来,通过将端子4从端子容纳室24的开口244朝向前方X1插入,从而开始插入端子4。在端子4的插入过程中,端子4的凸部417与矛形件25的引导槽251a滑动的同时使矛形件25朝向下方Z2侧的弯曲空间27弹性变形。当端子4被容纳在端子容纳室24的预定位置时,凸部417和引导槽251a滑动,并且矛形件25通过恢复力返回到原来的状态。当矛形件25返回到原来的状态时,矛形件25的卡定面253a与端子4的被卡定面415a卡合。最后,侧隔板3从临时卡定的位置向上方Z1方向移动,并被正式卡定单元(未示出)正式卡定(参见图2)。在侧隔板3的正式卡定状态下,侧隔板3的双重卡定部31与端子4的后顶板416和对置板412、412以及稳定器412z的后方X2侧的端面卡合。端子4通过矛形件25和侧隔板3而在两个位置卡合。
接下来,对端子4和矛形件25的卡合状态进行说明。由于端子4的被卡定面415a的被卡定面宽度T3等于两对置板外表面宽度T2,因此其是两对置板内表面宽度T1和板厚T之和(T3=T2=T1+2×T))。矛形件25的卡定面253a的卡定面宽度TX设定为大于两对置板内表面宽度T1并且略小于被卡定面宽度T3(TI<TX<T3)。当端子4被容纳在端子容纳室24中时,矛形件25的卡定面253a在宽度方向Y上比两个对置板412、412的两对置板内表面宽度T1更宽(尺寸宽)的范围内与端子4的被卡定面415a卡合。其结果,卡定面253a和被卡定面415a的卡合面积也变大。因此,即使对连接于端子4的电线W施加后方X2方向的拉力,矛形件25也不容易被剪切,提高了端子4的保持力。
此外,通过在前顶板415上形成凸部417,从而被卡定面415a不仅具有水平被卡定面部415b,而且具有通过成形有凸部417而朝向下方Z2方向突出的凸形被卡定面部417b。因此,矛形件25的卡定面253a利用凸形被卡定面部417b在高度方向Z上卡合范围变宽,并且朝向下方Z2方向分散。其结果,卡定面253a在高度方向Z上卡合范围变宽的状态下与被卡定面415a卡合。因此,即使对连接于端子4的电线W施加后方X2方向的拉力,矛形件25也进一步不容易被剪切,端子4的保持力得到进一步提高。
前顶板415的前凸部415x在与另一个对置板412的前凹部412x卡合的状态下,当端子4被容纳在端子容纳室24中时,矛形件25的卡定面253a与端子4的被卡定面415a卡合。因此,即使对连接于端子4的电线W施加后方X2方向的拉力,前顶板415也不易变形,提高了强度。另外,即使在搬运端子4时等情况下向端子4施加外力,前顶板415也不容易变形。
这里,对端子容纳室24和矛形件25的关系进行说明。壳体2的注射成形使用沿前后方向X分离的模具。为了在端子容纳室24中成形可弹性变形的矛形件25,在宽度方向Y上,在矛形件侧面25a、25a与对置壁242、242的对置壁内表面242a、242a之间,有必要设置与模具的销相对应的间隙。有必要在考虑销的强度的基础上来设定间隙的宽度,以使销在注射成形期间不会折弯。如果考虑到销的强度而将矛形件侧面25a、25a和对置壁内表面242a、242a的宽度设置得宽,则矛形件自身的宽度会变窄并且矛形件的强度会变弱。
两个对置壁242、242的凹槽242b、242b沿着前后方向X成形在与矛形件侧面25a、25a对置的部分。通过凹槽242b、242b,矛形件侧面25a、25a分别向左方Y1方向和右方Y2方向(宽度方向Y的外侧)位移,此外,矛形件侧面25a、25a与凹槽242b、242b的表面之间设置有可以确保销的强度的间隙。因此,可以在确保模具的销的强度的同时将矛形件25的宽度设定得较宽,并且可以增强矛形件25自身的强度。此外,由于矛形件25的宽度可以设定得较宽,因此卡定面宽度TX也可以较宽。因此,即使对连接于端子4的电线W施加后方X2方向的拉力,矛形件25也更加不容易被剪切,端子4的保持力进一步提高。
在矛形件25的矛形件主体251中,后方X2侧的基部252连结于底壁241,并且前方X1侧经由连结臂254、254连接于前壁23。因此,即使对连接于端子4的电线W施加后方X2方向的拉力,通过连结臂254、254也能够进一步提高端子4的保持力。再者,连结臂254、254通过与端子4的前顶板415接触(按压),从而抑制端子4在端子容纳室24中的晃动。
在上述实施方式中,虽然采用了收容有阴端子4的阴连接器1,但是也可以采用收容有阳端子的阳连接器。在这种情况下,阳端子中在接线片和连接部之间设置箱形部。
在上述实施方式中,矛形件25通过连结臂254、254成为两端支承梁状,但也可以为没有连结臂的悬臂梁状。
在上述实施方式中,前顶板415的被卡定面415a通过成形具有大致三棱锥形状的凸部417而具有凸形被卡定面部417b,但凸部也可以是方筒状、圆筒状或者圆锥形状等。此外,尽管凸部417朝向下方Z2侧突出,但是也可以朝向上方Z1突出。
在上述实施方式中,矛形件25的卡定面253a的卡定面宽度TX设定为大于两对置板内表面宽度T1并且略小于被卡定面宽度T3(TI<TX<T3)。也可以通过调节凹槽242b、242b朝向左方Y1和右方Y2(宽度方向Y的外侧)凹陷的深度,从而使矛形件侧面25a、25a处于与对置壁内表面242a、242a相同的位置或凹槽的深度范围,将卡定面宽度TX设定为与被卡定面宽度T3相同或更大的尺寸(T3≤TX)。

Claims (4)

1.一种连接器,其特征在于:
具备连接有电线的端子和壳体,
所述壳体具有壳体主体,
所述壳体主体具有端子容纳室,
所述端子容纳室的与前后方向正交的方向的截面为矩形,
所述端子容纳室由前壁、顶壁、两个对置壁和底壁成形而成,
所述顶壁和所述底壁在与前后方向正交的上下方向上对置,
所述两个对置壁在与前后方向和上下方向正交的宽度方向上对置,
所述底壁具有连结在基部的能弹性变形的矛形件,
所述矛形件具有面向作为所述端子的插入方向即前方侧的卡定面,
所述端子具有箱形部和连接部,
所述箱形部的与前后方向正交的方向的截面为矩形,
所述箱形部具有顶板、两个对置板和底板,
所述顶板和底板在上下方向上对置,
所述两个对置板在宽度方向上对置,
所述顶板至少具有前顶板,所述前顶板利用所述两个对置板中到达各对置板外表面的切口部成形而成,
所述前顶板具有面向作为所述端子的分离方向即后方侧的被卡定面,
在所述端子被容纳在所述端子容纳室的状态下,所述卡定面沿宽度方向在大于所述两个对置板的两对置板内表面宽度的范围内与所述被卡定面卡合。
2.如权利要求1所述的连接器,其特征在于:
所述前顶板的所述被卡定面具有:
水平被卡定面部;和
凸形被卡定面部,所述凸形被卡定面部在前后方向上通过在所述前顶板上成形有到达所述被卡定面的凸部而沿上下方向突出。
3.如权利要求1或2所述的连接器,其特征在于:
所述前顶板具有前凸部,所述前凸部在宽度方向上与所述两个对置板中的一个对置板连结并且从另一个对置板侧朝向所述底板侧突出,
所述另一个所述对置板具有从所述顶板侧朝向所述底板侧而被切除的前凹部,
所述前凸部与所述前凹部嵌合。
4.如权利要求1~3中任一项所述的连接器,其特征在于:
所述端子容纳室的所述两个对置壁具有从各对置壁内表面沿宽度方向向外凹陷的凹槽,
所述凹槽沿着前后方向成形在与矛形件侧面对置的部分。
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