CN104067446B - 端子接头 - Google Patents
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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
- H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
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- H01R4/185—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 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
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- H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
- H01R4/188—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping having an uneven wire-receiving surface to improve the contact
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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
- H01R4/58—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 characterised by the form or material of the contacting members
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Abstract
本发明提供一种能够被压接到电线上的阴性端子接头(20),所述电线包括通过将多条绞线(11)合在一起而形成的芯线(12),所述端子接头设置有:底板部(22),芯线(12)能够被布置在所述底板部上;和成对的筒件(25L、25R),所述成对的筒件与底板部(22)互连,以便缠绕被布置在底板部(22)上的芯线(12),所述筒件被压接到所述芯线(12)上。在筒件(25L、25R)的邻接部分上形成有薄部(27),当压接件(25L、25R)被压接至芯线(12)上时,所述薄部(27)发生变形,从而形成角部(30)。由于薄部(27)优选地在压接后变形,并且因此形成角部(30),所以与不存在薄部(27)的情况相比,能够使筒件(25L、25R)的邻接部分处形成的间隙更小。
Description
技术领域
本发明涉及一种能够被压接至电线的端子接头,该电线包括通过将多条绞线合在一起而形成的芯线。
背景技术
近年来,已经为了降低重量等而使用铝电线,并且也在汽车线束等领域中使用铝电线。例如,铝电线被构造成使得通过扭绞多根铝绞线而形成的芯线被绝缘覆层覆盖,并且当电线被装配成线束时,端子接头通常被连接至电线的端部。具体地,移除铝电线的覆层的端部,以便露出芯线的端部,被设置在端子接头上的电线筒(电线连接部分)被压接至芯线的露出的端部,并且设置在电线筒后方的绝缘筒被压接并连接至剩余绝缘覆层的端部(例如,参见专利文献1)。通过压力加工具有良好导电性的金属板来形成这种端子接头。
引用列表
专利文献
专利文献1:日本未审专利公开No.2005-50736
发明内容
本发明要解决的问题
然而,由于电线筒被压接成使得其末端向内弯曲并且被推入被扭转的绞线之间,同时在上述端子接头中彼此邻接,所以电线筒的接触部分是圆形的,并且易于在这些接触部分之间形成间隙。如果通过以树脂材料覆盖电线筒来执行防水处理,则树脂材料就进入该间隙,从而加厚树脂材料,并且树脂材料不能整体上具有均匀的厚度。即使通过由代替树脂材料的热收缩管等覆盖电线筒来施加防水处理,电线筒的接触部分也不能被热收缩管无间隙地覆盖,因此降低了防水性能。
基于上述情况完成了本发明,并且本发明的目标在于减少在电线筒的接触部分处形成的间隙。
问题的解决方案
本发明涉及一种将被压接至电线的端子接头,该电线包括通过将多条绞线合在一起而形成的芯线,该端子接头包括:底板部,芯线将被布置在该底板部上;和成对的压接件,该对压接件被连接至底板部,并且将被以包围被布置在底板部上的芯线的方式压接至芯线;其中,相应的压接件的邻接部分形成有薄部,并且当相应的压接件被压接至芯线时,通过使薄部变形而形成弯曲部。
根据这种构造,优选地通过压接使薄部变形以形成弯曲部,所以与不设置薄部的情况相比,能够使压接件的邻接部分的弯曲角度更小。因而,能够使在相应压接件的邻接部分处形成的间隙更小。
以下结构是本发明的优选实施例。
每个压接件都可包括:将被布置在芯线中的内压接件;和将被布置在芯线外的外压接件,并且薄部可形成在内压接件和外压接件之间。
根据这种构造,内压接件在执行压接时向内弯曲,由此能够易于形成弯曲部。
薄部可形成为在电线的轴向方向上延伸的槽部。
根据这种构造,薄部能够更易于弯曲。
薄部可形成在每个压接件上。
根据这种构造,每个弯曲部都通过使每个薄部变形而形成,并且通过使相应的邻接部分彼此邻接,能够使间隙更小。
压接件的从薄部朝着基端侧延伸的部分可形成扁平部分。此外,压接件的扁平部分和其它压接件的扁平部分可彼此齐平。
根据这种构造,在以树脂材料覆盖每个压接件作为防水处理时,树脂材料能够整体上具有均匀的厚度,并且能够减少所使用的树脂材料量。此外,在以热收缩管覆盖每个压接件作为防水处理时,能够使在热收缩管和电线筒的接触部分之间形成的间隙更小。
薄部可形成在每个压接件的邻接部分的将被保持为与芯线接触的一侧上。
根据这种构造,薄部形成在当薄部变形时材料趋向于集中的内部部分上,因此能够使弯曲部的弯曲角度变小。
弯曲部可能为角部。根据这种构造,能够使在相应的压接件的邻接部分处形成的间隙更小。
本发明的效果
根据本发明,能够减小在电线筒的接触部分处形成的间隙。
附图说明
图1是示出第一实施例中的端子接头的立体图,
图2是示出处于展开状态的电线筒的截面图,
图3是示出在图2的状态下执行弯曲后的电线筒的截面图,
图4是示出在图3的状态下被压接至芯线后的电线筒的截面图,
图5是示出在图4的状态下涂覆树脂材料以施加防水处理的状态的截面图,并且
图6是示出通过安装热收缩管代替第一实施例的树脂材料来对电线筒进行防水的状态的截面图。
具体实施方式
<第一实施例>
参考图1至5描述本发明的第一实施例。如图1所示,在该实施例中例示了能够被连接至铝电线(未示出)的端部的阴性端子接头20。铝电线被构造成:通过扭绞由铝或铝合金制成并且被合成树脂制成的绝缘覆层(未示出)覆盖的多根绞线11来形成芯线12。
通过压力加工由铜合金等制成的具有良好导电性的金属板来形成阴性端子接头20,阴性端子接头20被构造成在端子连接部21的后方设置有电线筒25和绝缘筒26,基本呈矩形管形的端子连接部21能够被电连接至配对的阳性端子接头(未示出)。
端子连接部21中设置有在底板部22的前边缘处折返的弹性接触件23。所述配对的阳性端子接头的插片从前方插入到端子连接部21中,并且所述配对的阳性端子接头的插片与弹性接触件23弹性接触,由此电连接阳性端子接头和阴性端子接头20。
电线筒25为开放筒式,并且被连接至底板部22,使得成对的左、右宽筒件25L、25R从底板部22的左和右边缘升高,同时彼此面对。通过竖直地压接相应的筒件25L、25R,从而电线筒25被铆接并压接至铝电线的芯线12的端部。例如,如图5所示,两个筒件25L、25R被压扁且压接至芯线12,以围绕芯线12的端部的整个周边,同时,下文所述的角部30、30彼此邻接。
绝缘筒26同样也为开放筒式,并且被连接至底板部22,使得比电线筒25的筒件25L、25R更窄和更长的成对的左、右筒件26L、26R从底板部22的左、右边缘升高且彼此面对。通过竖直压接相应的筒件26L、26R,从而绝缘筒26被铆接并压接至铝电线的绝缘覆层的端部。例如,以所谓的重叠方式铆压两个筒件26L、26R,以从相对的左和右侧包围绝缘覆层的端部的外周,同时将两个筒件26L、26R的突出端重叠。
多个凹部24形成在电线筒25的压接表面(图3中的内表面)上。如图1所示,这些凹部24是具有大致平行四边形的开口形状的有底凹部。芯线12通过压接来咬合到每个凹部24的内部。在该咬合期间,每个凹部24的边缘破坏芯线12的外表面上形成的绝缘膜,从而电连接芯线12和每个凹部24的边缘。
成对的薄部27形成在电线筒25的相应的筒件25L、25R的端部的、能够被保持为与芯线12接触的侧面上。这些薄部27通过在压力加工期间被敲击而形成,并且在从筒件25L、25R的前边缘至后边缘的整个长度上沿着前后方向(电线的轴向方向)延伸。此外,如图3所示,薄部27具有半圆形横截面。
在电线筒25被压接至芯线12的状态下,如图5所示,每个筒件25L、25R都由布置在芯线12中的内压接件28以及布置在芯线12外部的外压接件29组成。角部30形成在内、外压接件28、29之间的不接触芯线12的外部部分上。通过向内弯曲薄部27(朝着芯线12)来形成该角部30,并且角部30的弯曲角度基本为直角,并且与不设置薄部27的情况相比,该弯曲角度显著减小。
此外,相应的筒件25L、25R的、从薄部27、27朝着基端侧延伸的部分形成扁平部分31、31。这些扁平部分31形成在角部30和最接近角部30的凹部24之间。一个筒件25L的扁平部分31以及另一个筒件25R的扁平部分31在水平方向上(与相应的筒件25L、25R的压接方向垂直的方向)彼此对齐并且齐平。具体地,在该实施例中,通过使基本以直角弯曲的相应的角部30、30彼此邻接,从而形成相应筒件25L、25R的邻接部分。换句话说,通过使相应的角部30、30邻接以彼此紧密接触,从而保持电线筒25处于闭合状态。
将树脂材料40涂覆在电线筒25的外周上,以进行密封,由此进行防水处理。树脂材料40成型为具有基本均匀的厚度,并且树脂材料40即使在相应的角部30、30的邻接部分处也不会变得特别厚。也就是说,通过更紧邻地布置具有小弯曲角度的角部30、30,从而使得相应的角部30、30之间形成的间隙更小。即使树脂材料40被填入该间隙中,也能够将树脂材料40的厚度抑制得较小。
如上所述地构造该实施例。然后,参考图2至5简要描述阴性端子接头20的电线筒25的制造过程和压接过程。图2是示出处于展开状态的电线筒25的截面图,并且作为阴性端子接头20的基础材料的金属板被冲压为预定形状。此时,通过使得电线筒25的压接表面凹进,从而形成多个凹部24,并且同时,通过使得多个凹部24的相反的左右两侧上凹进来形成该对薄部27、27。
然后,如图3所示,底板部22被折叠为大致U形,由此相应的筒件25L、25R升高,同时彼此面对。结果,形成图1所示的电线筒25,并且完成阴性端子接头20。
然后,在电线筒25的底板部22上布置芯线12,并且铆接并压接相应的筒件25L、25R,以包围芯线12。此时,如图4所示,相应的筒件25L、25R的端部接触压接模(未示出),并且内压接件28在薄部27处向内弯曲。然后,在内压接件28被插入绞线11之间的同时,相应的筒件25L、25R被压接至芯线12。此外,薄部27发生变形,以形成角部30,并且通过使这些角部30、30邻接以彼此紧密接触,从而使得保持电线筒25处于闭合状态。
然后,如图5所示,树脂材料40被涂覆在电线筒25的外周上。树脂材料40成型为具有基本均匀的厚度,并且保持电线筒25的内部不透水。通过这种方式,从而具有防止在不同类型的金属之间发生电解腐蚀的防腐效果。
如上所述,在该实施例中,由于在相应的筒件25L、25R的邻接部分处形成有成对的薄部27、27,并且通过使薄部27、27变形而形成角部30,所以能够使相应的角部30、30之间形成的间隙更小,并且能够将填充到该间隙中的树脂材料40的厚度抑制为较小。
<第二实施例>
然后,参考图6描述本发明的第二实施例。在该实施例中,使用热收缩管50代替第一实施例的树脂材料40来施加防水处理。如果在将收缩之前的热收缩管50安装在电线筒25上之后施加热处理,则热收缩管50发生收缩,以使电线筒25的内部不透水。此时,角部30、30的邻接部分和热收缩管50之间形成小间隙S,但是该间隙S非常小,并且具有不允许水进入的这种尺寸。因而,可不损失防水效果和防腐效果。
<其它实施例>
本发明不限于上述和例示的实施例。例如,在本发明的技术范围内也包括下列实施例。
(1)虽然在上述实施例中例示了形成为在前后方向上延伸的凹槽的薄部27,但是根据本发明,可形成通孔,并且可在这些通孔的孔边缘部分上形成圆锥形薄部。
(2)虽然在上述实施例中,在相应的筒件25L、25R上形成该对薄部27、27,但是根据本发明,薄部可仅形成在筒件的任一侧上。
(3)虽然在上述实施例中,在筒件25L、25R的从薄部27、27朝着基端侧延伸的部分上形成扁平部分31、31,但是根据本发明,可设置曲线部分代替扁平部分,并且曲线部分被布置成彼此齐平地对齐。
(4)虽然在上述实施例中,在筒件25L、25R的保持与芯线12接触的侧面上形成薄部27,但是根据本发明,薄部27可形成在与芯线12相对的侧面上。
(5)虽然在上述实施例中,将具有约90°的弯曲角度的角部30例示为弯曲部,但是根据本发明,可形成具有约120°的弯曲角度的弯曲部代替角部30。
(6)虽然在上述实施例中例示了铝电线,但是本发明可应用于包括由铜合金等制成的芯线的铜电线。此外,虽然在上述实施例中例示了阴性端子接头,但是本发明可应用于包括插片的阳性端子接头。此外,虽然在上述实施例中例示了扭转的绞线,但是本发明可应用于绞线不扭转的笔直芯线。
附图标记列表
11…绞线
12…芯线
20…阴性端子接头
22…底板部
25L,25R…筒件(压接件)
27…薄部
28…内压接件
29…外压接件
30…角部(弯曲部)
31…扁平部分
Claims (7)
1.一种能够被压接至电线的端子接头,所述电线包括通过将多条绞线合在一起而形成的芯线,所述端子接头包括:
底板部,所述芯线能够被布置在所述底板部上;和
成对的压接件,所述成对的压接件被连接至所述底板部,并且能够被压接至所述芯线,以包围被布置在所述底板部上的所述芯线;
其中,各个所述压接件的邻接部分形成有薄部,当各个所述压接件被压接至所述芯线时,通过使得所述薄部发生变形来形成弯曲部,所述弯曲部是角部,所述角部大致弯曲成直角,并且相应的所述角部邻接以彼此紧密接触,
其中,多个有底凹部形成在所述端子接头的压接件的压接表面上,所述芯线通过压接来咬合到每个所述凹部的内部,
其中,每个压接件都包括:
被布置在所述芯线中的内压接件;和
被布置在所述芯线的外部的外压接件,并且
所述薄部形成在所述内压接件和所述外压接件之间,
其中,所述压接件被压扁且压接至所述芯线,以围绕所述芯线的端部的整个周边,并且所述压接件的、从所述薄部朝着基端侧延伸的一部分形成为扁平部分。
2.根据权利要求1所述的端子接头,其中,所述薄部形成为在所述电线的轴向上延伸的槽部。
3.根据权利要求1或2所述的端子接头,其中,所述薄部形成在每个压接件上。
4.根据权利要求1所述的端子接头,其中,一个所述压接件的扁平部分和另一压接件的扁平部分彼此齐平。
5.根据权利要求1至2中的任一项所述的端子接头,其中,所述薄部形成在每个所述压接件的所述邻接部分的、被保持为与所述芯线相接触的一侧上。
6.根据权利要求3所述的端子接头,其中,所述薄部形成在每个所述压接件的所述邻接部分的、被保持为与所述芯线相接触的一侧上。
7.根据权利要求4所述的端子接头,其中,所述薄部形成在每个所述压接件的所述邻接部分的、被保持为与所述芯线相接触的一侧上。
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JP2012011013A JP2013149564A (ja) | 2012-01-23 | 2012-01-23 | 端子金具 |
JP2012-011013 | 2012-01-23 | ||
PCT/JP2012/082146 WO2013111465A1 (ja) | 2012-01-23 | 2012-12-12 | 端子金具 |
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US (1) | US9147944B2 (zh) |
JP (1) | JP2013149564A (zh) |
KR (1) | KR101629125B1 (zh) |
CN (1) | CN104067446B (zh) |
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CN112335128A (zh) * | 2018-06-29 | 2021-02-05 | 泰科电子连接印度私有有限公司 | 压接件和用于制造压接件的方法 |
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JP6426907B2 (ja) * | 2014-04-04 | 2018-11-21 | 矢崎総業株式会社 | 圧着端子と電線の接続構造 |
WO2015194640A1 (ja) * | 2014-06-19 | 2015-12-23 | 株式会社フジクラ | 圧着端子 |
EP3096404A1 (en) * | 2015-05-21 | 2016-11-23 | Delphi Technologies, Inc. | Crimp connection system for electrical cables, comprising a fastening sleeve |
JP2017033776A (ja) * | 2015-08-03 | 2017-02-09 | 矢崎総業株式会社 | 圧着端子及びその製造方法並びに電線、ワイヤハーネス |
JP6532160B2 (ja) * | 2015-08-04 | 2019-06-19 | タイコエレクトロニクスジャパン合同会社 | 電気端子 |
JP6423333B2 (ja) * | 2015-12-16 | 2018-11-14 | 矢崎総業株式会社 | 圧着端子及び端子付き電線 |
JP2017204443A (ja) * | 2016-05-13 | 2017-11-16 | 株式会社オートネットワーク技術研究所 | 端子付き電線及び電線への端子圧着方法 |
DE102017105682A1 (de) | 2017-03-16 | 2018-09-20 | Te Connectivity Germany Gmbh | Kontaktträger, elektrische Kontakteinrichtung sowie Verfahren zum Herstellen eines konfektionierten Kabels |
JP6904147B2 (ja) * | 2017-08-01 | 2021-07-14 | 株式会社オートネットワーク技術研究所 | 端子付き電線 |
DE102019109460A1 (de) * | 2019-04-10 | 2020-10-15 | Te Connectivity Germany Gmbh | Crimpkontakt |
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WO2013111465A1 (ja) | 2013-08-01 |
KR20140111680A (ko) | 2014-09-19 |
KR101629125B1 (ko) | 2016-06-09 |
IN2014DN05806A (zh) | 2015-05-15 |
CN104067446A (zh) | 2014-09-24 |
US9147944B2 (en) | 2015-09-29 |
JP2013149564A (ja) | 2013-08-01 |
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