CN102884682B - 电接触元件 - Google Patents

电接触元件 Download PDF

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CN102884682B
CN102884682B CN201180023467.2A CN201180023467A CN102884682B CN 102884682 B CN102884682 B CN 102884682B CN 201180023467 A CN201180023467 A CN 201180023467A CN 102884682 B CN102884682 B CN 102884682B
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electric contacts
hollow cylinder
contact
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CN102884682A (zh
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T·沃尔廷
M·施密特
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Harting Electric Stiftung and Co KG
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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
    • 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
    • H01R13/111Resilient sockets co-operating with pins having a circular transverse section
    • 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
    • H01R4/20Electrically-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 using a crimping sleeve
    • 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
    • H01R43/16Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
    • 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
    • H01R43/055Crimping apparatus or processes with contact member feeding mechanism

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Measuring Leads Or Probes (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

本发明涉及一种电接触元件,它由实心材料制作而成,该电接触元件构造为销针触头(2a)或套筒触头(2b),并且该电接触元件具有插塞区域(2)和接线区域(3)用以与绞合线电导体进行触点接通,其中,接线区域(3)构造为折压接头,以及,接线区域(3)成形为空心圆柱体(3a),该空心圆柱体沿轴向方向包括一槽口(4)。

Description

电接触元件
技术领域
本发明涉及一种电接触元件,它由实心材料制作而成,该电接触元件构造为销针触头或套筒触头,并且该电接触元件具有插塞区域和接线区域,其中,所述接线区域构造为折压接头用以与电导体进行触点接通。
背景技术
为了在电导体(特别是绞合线导体)与销针或套筒触头的接线端之间建立起电连接,需要用这样的接触元件。
为将绞合线导体接到电接触元件上,经常选择折压(Crimpen)的接线技术。
因此,接触元件在其导体接线端上带有一轴向孔,在该孔中***绞合线导体的去除绝缘层的端头并通过折压将其牢固挤紧。
现有技术状况:
DE 8804092U1披露了一种电接触元件,它以冲压弯曲工艺技术(Stanz-Biegetechnik)制造。该电接触元件或是构造为销针触头或是构造为套筒触头,其中,通过折压将绞合线导体接到接触元件上。接触元件的折压区域大体上构造为U形的敞开的元件。该敞开的折压区域所具有的优点是:能将不同直径的绞合线导体接到同样的接触元件上。
在以冲压弯曲工艺技术制造的接触元件中,不利的是:其电阻因为材料缺少之故而高于由实心材料(Vollmaterial,整块材料)构成接触元件的情形。
由DE 1992567A1已知由实心材料构成的接触元件,它具有一折压区域,用于绞合线导体的接线连接。这样的接触元件例如通过下述方式制成:切下确定长度的导线段,并且例如借助于车削工艺由该导线段制作出接触元件的轮廓。但在这种接触元件中,折压区域是被构造为空心圆柱体,其具有一封闭的外周面。该折压区域只适用于某一特定直径的导体电缆的接线连接。这样,在要接线连接直径略有不同的绞合线导体时,必须相应地使用由实心材料构成的不同接触元件。
发明内容
目的设定:
本发明的目的在于,提出一种电接触元件,它具有小的电阻并且它同时适用于不同直径的绞合线导体的电气触点接通。
上述目的通过这样的方式得以实现:接线区域成形为空心圆柱体,该空心圆柱体沿轴向方向包括一槽口。
各从属权利要求中说明了本发明的一些有利设计。
如上所述,该电接触元件由实心材料制作而成。为此,例如在凸轮控制的或CNC(计算机数控的)控制的机床设备上采用车削工艺。但对于在接触元件的接线区域中的槽口,还需要切削加工步骤。
接触元件的接触区域不仅可以构造为销针触头,或者还可以构造为套筒触头。接线区域构造为折压接头,以便特别是能够与绞合线导体实现电气触点接通。
在折压过程中,把待接线连接的导体电缆的绞合线***到构造为空心圆柱体的接线区域内。空心圆柱体沿轴向方向是开设槽口的并因此是侧面敞开的。借助于适合的折压工具将一作用力施加到开有槽口的空心圆柱体的外周面上,从而向内弯曲和折卷对置的槽口边缘。这时导体电缆的被压缩密实的绞合线便处于接触元件的永久变形的接线区域内。
开有槽口的空心圆柱体适用于不同直径的绞合线导体的折压接头。倘若没有轴向槽口,对于具有过小直径的绞合线导体就会在折压或接线区域内形成空腔,这些空腔允许发生氧化过程并且对电缆拉出力有负面影响。
基于按照本发明的接触元件的开有槽口的接线区域,可以使不同直径的导体电缆进行电气触点接通。此外,有利的是,在电流输导过程中,该接触元件比以冲压弯曲工艺技术制造的接触元件强度更少一些地被加热。
在本发明的一种有利的实施形式中,轴向槽口在接线区域内的长度超过该空心圆柱体长度的一半。换言之,空心圆柱体沿轴向方向多于其长度的一半是开设槽口的。由此防止在折压过程中在空心圆柱体的外周面中产生裂纹。通过这些裂纹,空气(也还有其他介质)可以到达导体电缆的绞合线导体上。从而可能会引发氧化过程,这种氧化过程使得电触头的电气特性(例如电阻)变差。
在接触元件的另一有利设计中,接线区域的空心圆柱体除了轴向槽口之外至少还又一次开设槽口。该第二槽口相对第一轴向槽口大体上成90°定位。换言之,第二槽口是横向于第一轴向槽口的轴线构造的。
一般来说,在接触元件的接线区域内,空心圆柱体的基面呈圆形形成。但其他的几何形状如矩形、正方形、椭圆形或卵形也可能是有利的并且借助于车削工艺或铣削工艺来实现。
有利地,在插塞区域与接线区域之间构造有一环圈元件。该环圈元件呈盘形形成并且用来将接触元件固定于插塞连接器的绝缘体中一个与此相配的成形结构内。
当接触元件构造为销针触头时,盘形环圈元件的直径大于该销针触头的直径。
而当接触元件构造为销针触头时,盘形环圈元件的直径则等于该套筒触头的直径。
按照插塞连接器的绝缘体的成形结构,环圈元件也可以呈其他不同几何形状地形成,例如为矩形、卵形或正方形。
附图说明
实施例:
附图中示出了本发明的实施例,在下文对其更详细地说明。其中:
图1销针触头的透视图,
图2套筒触头的透视图,
图3套筒触头的一种变型方案的透视图,
图4销针触头的一种变型方案的透视图,
图5销针触头的另一变型方案的透视图,
图6套筒触头的另一变型方案的透视图,
图7排列有多个销针触头的带条的透视图和
图8销针触头的另一变型方案的透视图。
具体实施方式
图1示出一销针触头的透视图。接触元件1可以分为接触区域2和接线区域3。接触区域2构造为销针触头2a。接线区域3通过一空心圆柱体3a构成,该空心圆柱体包括一轴向槽口4。在接触区域与接线区域之间有一环圈元件5。在此未示出的绝缘体(其设置用于接纳触销)包括一空隙部,触销的环圈元件5可以置入该空隙部中。由此将触销保持于绝缘体中。
图2示出一套筒触头的透视图。接触区域2由一空心圆柱体构成,在其中制出一些楔形的槽口2c,从而构成各个单独的弹簧臂2b。这些弹簧臂的端部向内朝插塞口弯曲,从而构成一个圆形的插塞口。环圈元件5在这里大体上具有套筒形接触区域2的直径。
图3示出套筒触头的另一变型方案。相同的部分也带有相同的标记。该套筒触头的接线区域3除轴向槽口4之外还具有一第二槽口6,该第二槽口大体上是横向于轴向槽口4定位的。
图4示出一销针触头的另一变型方案。在接线区域3内,触销具有一种U形成型部7。往环圈元件5的方向并且与之平行地,在U形成型部7中制出一楔形槽口6′。U形成型部的侧面7a是倒斜的。在其他不同实施形式中,侧面7a也可以是平行的或者向内或向外倾斜。
图5示出销针触头的另一变型方案。相同的部分带有相同的标记。代替环圈元件5,在这里是通过一平面元件5′将接触区域和接线区域分开,该平面元件5′基本上呈矩形构造。
图6示出套筒触头的另一变型方案。其中相同的部分带有相同的标记。除了用于绞合线的接线区域3之外,接触元件1还具有一电缆外皮接线区域8。该区域同样由空心圆柱体构成,该空心圆柱体具有一个几乎贯通的轴向槽口10。电缆外皮接线区域8的空心圆柱体的直径大于接线区域3的空心圆柱体的直径。
电缆外皮接线区域8通过一槽口9与接线区域分开,该槽口9垂直于轴向槽口4和10延伸。在该电缆外皮接线区域8内固定导体电缆的绝缘的缆线外皮。这一点与折压过程同时实现。
图7示出了机器(化)处理多个接触元件的可能性,亦即装入到插塞连接器的绝缘体中。将各接触元件1排列于一个带条11上卡在锁定夹12内并且可以这样供送给未示出的装备单元。在此示例性地示出了一些按照图1的接触元件。在带条11上同样可以排列和处理按照图2至6的接触元件或者其混合。
图8示出另一接触元件1的透视图,其构造为销针触头。在环圈元件5中制出一切口5a。该切口5a中嵌接一个未示出的位于带条11锁定夹12间的凸头,从而使各个销针触头相同定位地处于带条12上。由此确保对这些接触元件进行一种无干扰的机器(化)处理。
附图标记清单
1接触元件
2接触区域,2a触销,2b触套,2c楔形槽口
3接线区域,3a空心圆柱体,3b基面
4轴向槽口
5环圈元件,5a切口
6第二槽口,6′楔形槽口
7U形成型部,7a边缘
8电缆外皮接线区域
9第三槽口
10电缆外皮接线区域的轴向槽口
11带条
12锁定夹

Claims (9)

1.电接触元件,它由实心材料制作而成,该电接触元件构造为销针触头(2a)或套筒触头(2b),并且该电接触元件具有插塞区域(2)和接线区域(3),其中,所述接线区域(3)构造为折压接头用以与不同直径的电导体进行触点接通;其特征在于,所述接线区域(3)成形为空心圆柱体(3a),该空心圆柱体沿轴向方向包括一槽口(4),在接触元件的接线区域中的槽口由切削加工步骤形成。
2.按照权利要求1所述的电接触元件,其特征在于,所述空心圆柱体(3a)具有一基面(3b),该基面呈圆形形成。
3.按照权利要求1所述的电接触元件,其特征在于,所述空心圆柱体(3a)具有一基面(3b),该基面呈椭圆形形成。
4.按照权利要求1所述的电接触元件,其特征在于,所述空心圆柱体(3a)的轴向槽口(4)的长度超过该空心圆柱体(3a)长度的一半。
5.按照权利要求1所述的电接触元件,其特征在于,所述空心圆柱体(3a)除所述轴向槽口(4)之外还具有至少一个第二槽口(6),该第二槽口相对于所述轴向槽口(4)大体上成90°角构成。
6.按照权利要求1至5之一项所述的电接触元件,其特征在于,在所述插塞区域(2)与接线区域(3)之间构造有一环圈元件(5)。
7.按照权利要求6所述的电接触元件,其特征在于,所述环圈元件(5)呈盘形构造,并且该盘形环圈元件(5)的直径大于销针触头(2a)的直径。
8.按照权利要求6所述的电接触元件,其特征在于,所述环圈元件(5)呈盘形构造,并且该盘形环圈元件(5)的直径等于套筒触头(2b)的直径。
9.按照权利要求6所述的电接触元件,其特征在于,所述环圈元件(5)基本上构造为矩形的扁平件(5′)。
CN201180023467.2A 2010-05-12 2011-01-28 电接触元件 Active CN102884682B (zh)

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DE102010020346A DE102010020346A1 (de) 2010-05-12 2010-05-12 Elektrisches Kontaktelement
DE102010020346.7 2010-05-12
PCT/DE2011/075013 WO2011141021A1 (de) 2010-05-12 2011-01-28 Elektrisches kontaktelement

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EP (2) EP3196983A3 (zh)
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RU2012153672A (ru) 2014-06-20
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KR20130028120A (ko) 2013-03-18
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EP2569825B1 (de) 2018-05-16
EP3196983A3 (de) 2017-10-04
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US8834215B2 (en) 2014-09-16
US20130052888A1 (en) 2013-02-28

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