CN110690585A - 带端子的电线及其制造方法 - Google Patents

带端子的电线及其制造方法 Download PDF

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CN110690585A
CN110690585A CN201910595611.8A CN201910595611A CN110690585A CN 110690585 A CN110690585 A CN 110690585A CN 201910595611 A CN201910595611 A CN 201910595611A CN 110690585 A CN110690585 A CN 110690585A
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terminal
crimp
corrosion prevention
electric wire
tape
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CN110690585B (zh
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斋藤荣辉
高桥一荣
佐藤庆
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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
    • 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
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    • 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
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/03Contact members characterised by the material, e.g. plating, or coating materials
    • 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
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5216Dustproof, splashproof, drip-proof, waterproof, or flameproof cases characterised by the sealing material, e.g. gels or resins
    • 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
    • H01R13/533Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
    • 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
    • H01R4/58Electrically-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 characterised by the form or material of the contacting members
    • H01R4/62Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
    • 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
    • H01R4/70Insulation of connections
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/048Crimping apparatus or processes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve

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Abstract

本发明的带端子的电线具有电线和压接端子。在电线中,芯线被绝缘覆皮包覆。压接端子具有芯线压接部和覆皮压接部。芯线压接部被压接在从绝缘覆皮中露出的芯线。覆皮压接部被压接在绝缘覆皮。压接端子的压接部的周围贴附有防腐蚀带材。

Description

带端子的电线及其制造方法
技术领域
本发明涉及实施有防腐措施的带端子的电线及其制造方法。
背景技术
例如,专利文献1(日本专利特开2016-110894号公报)公开了实施有防水措施的带端子的电线。如图12以及图13所示,带端子的电线1具有端子2和铝线5。端子2的覆皮压接部3被压接在铝线5的绝缘覆皮6。覆皮压接部3被片状部件8覆盖。焊接部4是端子2和从铝线5的绝缘覆皮6露出的芯线7所连接的部分。片状部件8以及焊接部4的周围被遇热收缩的热缩性管9密封。
片状部件8设置在端子2的热缩性管9接触时有可能破损的位置。而且,热缩性管9利用加热器等的加热装置H而被收缩,从而将焊接部4以及覆皮压接部3的周围无间隙覆盖。
发明内容
本发明欲解决的问题
然而,在现有的带端子的电线1中,由于是在将片状部件8缠绕在覆皮压接部3之后才组装热缩性管9,因此工序变多,生产性差。而且,在现有的带端子的电线1中,由于需要片状部件8以及热缩性管9,因此成本高。
本发明的目的在于:提供能够简单且可靠地防止芯线的电腐蚀的生产性高且价格便宜的带端子的电线及其制造方法。
用于解决问题的方案
本实施方式涉及的带端子的电线包括:电线,所述电线将芯线用绝缘覆皮包覆;以及压接端子,所述压接端子具有压接部,所述压接部包括被压接在从所述绝缘覆皮露出的所述芯线的芯线压接部和被压接在所述绝缘覆皮的覆皮压接部,所述带端子的电线的特征在于,在所述压接端子的所述压接部的周围贴附有防腐蚀带材。
本实施方式涉及的带端子的电线的制造方法,所述带端子的电线具备:电线,所述电线将芯线用绝缘覆皮包覆;以及压接端子,所述压接端子具有压接部,所述压接部包括被压接在从所述绝缘覆皮露出的所述芯线的芯线压接部和被压接在所述绝缘覆皮的覆皮压接部,所述带端子的电线的特征在于:将所述电线压接并连接到所述压接端子的所述压接部之后,在所述压接端子的所述压接部的周围缠绕防腐蚀带材。
发明的效果
根据本实施方式,通过将防腐蚀带材缠绕到压接端子的压接部的周围,能够简单且可靠地防止电线芯线的电腐蚀。因此,可实现生产性的提高及低成本化。
附图说明
图1A是本发明的第1实施方式中的带端子的电线的立体图。
图1B是在端子的压接部粘贴了防腐蚀带材的状态下的带端子的电线的立体图。
图2是图1B中的沿着X-X线的剖视图。
图3A是表示将防腐蚀带材以将粘贴表面朝上的方式放置在粘贴夹具的状态的立体图。
图3B是表示将防腐蚀带材以将粘贴表面朝上的方式放置在粘贴夹具的状态的侧视图。
图4A是表示在防腐蚀带材的粘贴表面上放置了端子的状态的立体图。
图4B是表示在防腐蚀带材的粘贴表面上放置了端子的状态的侧视图。
图5A是表示将端子按压在粘贴夹具的凹部的状态的立体图。
图5B是表示将端子按压在粘贴夹具的凹部的状态的侧视图。
图6A是表示将防腐蚀带材的粘贴表面彼此相互粘合并切断的状态的立体图。
图6B是表示将防腐蚀带材的粘贴表面彼此相互粘合并切断的状态的侧视图。
图7A是本发明的第2实施方式中的带端子的电线的立体图。
图7B是已将防腐蚀带材贴附到端子的压接部的状态的带端子的电线的立体图。
图8是沿着图7B中的Y-Y线的剖视图。
图9是表示已将端子放置在防腐蚀带材的粘贴表面上的状态的立体图。
图10A是按顺序示出在防腐蚀带材的粘贴表面上将端子旋转并缠绕的工序的立体图。
图10B是按顺序示出在防腐蚀带材的粘贴表面上将端子旋转并缠绕的工序的立体图。
图10C是按顺序示出在防腐蚀带材的粘贴表面上将端子旋转并缠绕的工序的立体图。
图10D是按顺序示出在防腐蚀带材的粘贴表面上将端子旋转并缠绕的工序的立体图。
图10E是按顺序示出在防腐蚀带材的粘贴表面上将端子旋转并缠绕的工序的立体图。
图11是表示在防腐蚀带材的贴附完成后,将防腐蚀带材切断的状态的立体图。
图12是现有的带端子的电线的侧视图。
图13是表示现有的带端子的电线的部分制造工序的部分剖面侧视图。
具体实施方式
以下,基于附图就本发明的实施方式进行说明。
基于图1A至图6B就第一实施方式进行说明。
如图1A及图1B所示,带端子的电线10具有电线20和金属制的压接端子30。在电线20中,芯线22被绝缘覆皮21包覆。压接端子30具有箱型的端子连接部31和压接部32。
端子连接部31形成在压接端子30的前侧。端子连接部31电连接有配对端子。压接部32具有芯线套筒(芯线压接部)33和覆皮套筒(覆皮压接部)34。在压接端子30的从中央到后侧的位置,芯线套筒33被压接到从绝缘覆皮21露出的芯线22。覆皮套筒34被压接到绝缘覆皮21。
防腐蚀带材40贴附在压接端子30的压接部32的周围。
带端子的电线10中,电线20的芯线22与压接端子30分别由不同种类的金属构成。例如,芯线22由铝或者铝合金的线材构成。压接端子30由在铜合金基材上镀覆有锡合金等的部件构成。这种情况下,与压接端子30接触的芯线22的裸露部分由于不同种金属接触腐蚀(电偶腐蚀)而容易电腐蚀(腐蚀)。因此,将芯线22的裸露部分露出的、压接端子30的压接部32的周围用防腐蚀带材40来包覆以防止电腐蚀。
防腐蚀带材40具有伸缩的丙烯制的带、薄膜、橡胶片等水不能通过的带状的基材41和形成在基材41上的粘接层42所构成的层叠构造(参见图3A)。
下面,就带端子的电线10的制造方法按照图3A至图6B的顺序进行说明。
预先,利用由压接器、砧座等构成的压紧模具,将从电线20的绝缘覆皮21露出的芯线22压接到压接端子30的芯线套筒33,同时将电线20的绝缘覆皮21压接并连接到压接端子30的覆皮套筒34。
如3A及图3B所示,以防腐蚀带材40的粘贴表面(粘接面)42a朝上且横跨在粘贴夹具50的槽状的凹部51的方式将防腐蚀带材40放置到粘贴夹具50的上表面50a。
然后,如图4A及图4B所示,在放置于粘贴夹具50的凹部51上的防腐蚀带材40之上,放置由压接端子30的芯线套筒33和覆皮套筒34所构成的压接部32。
随后,如图5A及图5B所示,按压装置(省略图示)将压接端子30的压接部32隔着防腐蚀带材40按压到粘贴夹具50的凹部51的底面51a侧。
然后,如图6A及图6B所示,通过压接端子30的压接部32的按压,使得被按压到夹具50的凹部51的底面51a以及两侧面51b侧的防腐蚀带材40的粘贴表面(粘接面)42a彼此利用设置在贯通粘贴夹具50的凹部51的贯通孔52内的带材切割器53而粘合。在与贯通孔52连通的凹部51的一侧面51b上设置的横槽凹部51c内,将防腐蚀带材40的已粘合的粘贴表面42a彼此通过带材切割器53的刀刃53a切断。
由此,如图2所示,防腐蚀带材40被贴附到压接端子30的压接部32的周围而粘结。即,在将压接端子30限制在粘贴夹具50的凹部51内的状态下,防腐蚀带材40的粘贴表面42a彼此被粘合,且防腐蚀带材40被贴附到压接端子30的压接部32的周围。
如图2所示,压接端子30的压接部32与被贴附在压接部32的周围的防腐蚀带材40之间存在一部分间隙。需要说明的是,也可以进一步将防腐蚀带材40向防腐蚀带材40和压接部32的间隙按压,从而消除间隙。
这样,在防腐蚀带材40的粘接层42的粘贴表面42a彼此相粘合的状态下,防腐蚀带材40被贴附在压接端子30的压接部32的周围。因此,可以简单且可靠地防止电线20的芯线22的电腐蚀(不同种金属接触腐蚀)。
通过将防腐蚀带材40贴附到压接端子30的压接部32的周围,可以防止电线20的芯线22的电腐蚀,因此可以延长压接部32的寿命。
由于仅将防腐蚀带材40贴附到压接端子30的压接部32的周围就可以防止电线20的芯线22的电腐蚀,因此可实现生产性的提高以及低成本化。且,不需要改变现有的端子构造。
参照图7A至图11,就第2实施方式进行说明。
带端子的电线10A(参照图7A以及图7B)中,通过旋转压接端子30,将防腐蚀带材40缠绕且贴附到由芯线套筒(芯线压接部)33和覆皮套筒(覆皮压接部)34构成的压接部32的周围。这一点与第1实施方式不同。其他构成由于与第1实施方式相同,所以在相同构成部分标注同一附图标记而省略详细说明。
按照图9至图11的顺序,就带端子的电线10A的制造方法进行说明。
预先,利用由压接器和砧座等构成的压紧模具,将从电线20的绝缘覆皮21露出的芯线22压接到压接端子30的芯线套筒33,同时将电线20的绝缘覆皮21压接到压接端子30的覆皮套筒34。
如图9所示,使防腐蚀带材40的粘贴表面(粘接面)42a朝上地将防腐蚀带材40放置在粘贴夹具50的上面50a上。且,在防腐蚀带材40的粘贴表面42a上的一端側放置由压接端子30的芯线套筒33和覆皮套筒34构成的压接部32。
然后,如图10A至图10E所示,旋转装置(省略图示)使放置在防腐蚀带材40的粘贴表面42a上的压接端子30旋转,并将防腐蚀带材40缠绕在压接端子30的压接部32的周围。
且,如图11所示,利用粘贴夹具50的上表面50a上出没自如地设置的带材切割器53来切断已被缠绕的防腐蚀带材40的剩余部分。由此,如图8所示,防腐蚀带材40被缠绕并粘贴到压接端子30的压接部32的周围。
如图8所示,在压接端子30的压接部32与已被缠绕并在压接部32的周围的防腐蚀带材40之间存在一部分的间隙。需要说明的是,也可以进一步地将防腐蚀带材40向防腐蚀带材40和压接部32的间隙侧按压,从而消除间隙。
这样,通过将防腐蚀带材40缠绕到压接端子30的压接部32的周围,能够简单且可靠地防止电线20的芯线22的电腐蚀(不同种金属接触腐蚀)。
由于通过将防腐蚀带材40缠绕到压接端子30的压接部32的周围而可以防止电线20的芯线22的电腐蚀,因此可以延长压接部32的寿命。
由于仅将防腐蚀带材40缠绕到压接端子30的压接部32的周围就可以防止电线20的芯线22的电腐蚀,因此可实现生产性的提高以及低成本化。且,不需要改变现有的端子构造。
另外,虽然是旋转压接端子30来将防腐蚀带材40缠绕到压接部32的周围,但不局限于此。比如,也可以是使防腐蚀带材40绕压接端子30的压接部32进行旋转,将防腐蚀带材40缠绕到压接端子30的压接部32的周围。

Claims (6)

1.一种带端子的电线,包括:
电线,所述电线将芯线用绝缘覆皮包覆;以及
压接端子,所述压接端子具有压接部,所述压接部包括被压接在从所述绝缘覆皮露出的所述芯线的芯线压接部和被压接在所述绝缘覆皮的覆皮压接部,
所述带端子的电线的特征在于,
在所述压接端子的所述压接部的周围贴附有防腐蚀带材。
2.如权利要求1所述的带端子的电线(10),其特征在于,
在已限制所述压接端子的状态下,所述防腐蚀带材的粘贴表面被彼此粘合,且所述防腐蚀带材被贴附在所述压接端子的所述压接部的周围。
3.如权利要求1所述的带端子的电线,其特征在于,
通过旋转所述压接端子,使得所述防腐蚀带材被缠绕且贴附到所述压接端子的所述压接部的周围。
4.一种带端子的电线的制造方法,
所述带端子的电线具备:电线,所述电线将芯线用绝缘覆皮包覆;以及压接端子,所述压接端子具有压接部,所述压接部包括被压接在从所述绝缘覆皮露出的所述芯线的芯线压接部和被压接在所述绝缘覆皮的覆皮压接部,
所述带端子的电线的特征在于,
将所述电线压接并连接到所述压接端子的所述压接部之后,在所述压接端子的所述压接部的周围缠绕防腐蚀带材。
5.如权利要求4所述的带端子的电线的制造方法,其特征在于,
将所述防腐蚀带材放置在粘贴夹具的凹部上,且将所述压接端子的所述压接部按压在被放置在所述粘贴夹具的所述凹部上的所述防腐蚀带材,在将所述防腐蚀带材的粘贴表面彼此相互粘合之后,通过切断所述防腐蚀带材,从而将所述防腐蚀带材贴附并粘接到所述压接端子的所述压接部的周围。
6.如权利要求4所述的带端子的电线的制造方法,其特征在于,
将所述防腐蚀带材的粘贴表面朝上地放置,并在所述防腐蚀带材的粘贴表面上放置所述压接端子,通过旋转所述压接端子,从而使得所述防腐蚀带材缠绕并粘贴到所述压接端子的所述压接部的周围。
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