CN100521370C - 用于导线的弹力夹紧接头 - Google Patents
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Abstract
本发明涉及一种与导线连接的弹力夹紧接头,根据品类特性,该弹力夹紧接头显现有带有四角形材料通道的电流汇流块,板弹簧的夹紧腿部的端部沉入到通道中,以使夹紧腿部的端部连同材料通道的孔边突缘内壁面构成对导线的夹紧位置,建议对材料通道的孔边突缘内壁面应用一带有一横向边缘/侧棱的新的造型,并将用于导线的夹紧位置设置在材料通道的深处,由此同时构造成一金属包围的导线预擒凹口。
Description
技术领域
本发明涉及根据权利要求1的前序部分的特征的一电气弹力夹紧接头。
背景技术
这种弹力夹紧接头的基本品种特征是:通过由一平板材料制成的汇流块(Stromschienenstuck)的一四角形的材料通道(Materialdurchzug),该通道用作导线伸进的开口,并具有沿导线伸进方向延伸的孔的突缘,这样,在孔突缘内壁表面和一向该材料通道内延伸的板弹簧的端部之间形成一用于导线的夹紧部位(Klemmstelle)(参见DE 28 25 291 C2)。
这样的汇流块可装备有一个但也可多个材料通道,它们较佳地排列成一直线,以便占据尽可能窄的汇流块的结构空间(例如,在冲切的材料条带的样式中),这就如对通过电流的汇流要求有紧邻的串联接线。这种特别窄的汇流块只在材料通道范围内具有狭窄的沿汇流方向延伸的边缘搭边,其电流流通的横截面通常是不够的。这个缺点通过材料通道的孔边突缘(Lochkragen)来平衡,该孔边突缘的横截面同时也是电流流通的横截面,这样,在边缘搭边的横截面和孔边突缘的横截面的总和中有一足够于沿电流汇流块的方向的大电流流通的横截面可供使用。
然而,这种已知类型的弹力夹紧接头存有这样的缺点,即,孔边突缘内壁表面(Lochkrageninnenwandflache)和夹紧的导线之间的电流通过值只是勉强足够。通过提高板弹簧的夹紧力来解决这个问题的各种尝试不尽人意,因为较高的夹紧力对夹紧导线的手工施加的插入力起到不好的作用。
发明内容
因此,本发明的任务在于,保留一种弹力夹紧接头的优点,这种弹力夹紧接头在电流汇流块上具有带有一孔边突缘的材料通道,然而,改善在夹紧位置的电流通过值,而无需提高导线插入的力,或以其它方式变坏导线插入的过程。
根据本发明,该任务可这样得以解决:在与夹紧腿部的端部构成夹紧位置的孔边突缘内壁表面,存在有一面对着导线突出的并垂直于导线插入方向延伸的横向边缘,板弹簧的夹紧腿部的尺寸和结构这样地形成,即,使夹紧腿部的端部的端侧夹紧边缘,在导线夹紧的位置上面对在孔边突缘内壁面上存在的横向边缘。
其中,在不同布置位置上的横向边缘可排列成沿导线插入的方向延伸的孔边突缘,然而,安排一很有优点的、在制造技术上特别是成本有利的本发明的实施形式,即,通过沿导线插入方向的材料通道的孔边突缘的下侧棱构成横向边缘。为此目的,其对着被夹紧的导线突出,这可通过电流汇流块(Stromschienenstuck)的整体的倾斜结构,或者,例如,通过对所属孔边突缘壁区域进行镦锻,或者挤压或模压得以实现。
对构成夹紧位置无贡献的其它的孔边突缘壁的区域不涉及这个措施,然而,如果在材料通道和孔边突缘的制造和成形过程中,要想减轻制造技术的加工过程,也同样可实施变形。
根据本发明的解决方法,对于在其电流汇流块上显现有带有一孔边突缘的材料通道的弹力夹紧接头,新颖地改善电流的通过,并在夹紧的位置上完全提高接触的可靠性。这种结果的实现,一方面出于一种接触点构成上的优点,接触点显现为介于导线和在孔边突缘内壁面上突出的横向边缘之间的交叉点,并在几何形状上将导线和材料通道的孔边突缘之间的接触装置的表面积最大程度地减小到较小限定的接触装置的表面积,结合施加最大可能的接触力,由此得出,夹紧弹簧的夹紧腿部(Klemmschenkel)的尺寸和结构应这样构成:在导线的夹紧位置处,夹紧腿部端部的端侧的夹紧边缘几乎直接作用到几何上减小到最小的接触装置的表面上,由此,夹紧腿部端部的夹紧边缘与在孔边突缘内壁面上构成的横向边缘相对。这样,在接触装置表面形成一特有的高表面压力,它改善电流的通过,同时,保证一气密的接触。
与在孔边突缘内壁面上的横向边缘相对的板弹簧的夹紧腿部端部的定位,还有其它的优点,在夹紧的导线上不作用由板弹簧的夹紧力合成的倾覆力矩。
如果以较佳的方式通过材料通道的孔边突缘的“突出的下侧棱”构成在孔边突缘内壁面上的“突出的横向边缘”,则用于导线的夹紧位置沿材料通道的深度方向最大程度地迁移,从而得出其它显著的优点。
于是,根据权利要求3,沿导线插入的方向位于夹紧位置前面的孔边突缘内壁面的范围,构成相对大和带有柔和过渡、无阻挡地形成(较佳地形成平的)的斜面,在插入过程中该斜面柔和地和滑动地(即,无“硬”碰撞的过渡(ohne″hart″ ))引导导线的前导端。这样,减小导线插入力,在某些情况下,保护诸如在孔边突缘内壁面上和夹紧位置范围内的锡镀层之类的表面存在的镀层,避免不希望发生的刮去的现象。
根据权利要求5是这样解决任务的:对这种类型的弹力夹紧接头创建一导线预擒凹口(Leiter-Vorfangtasche),由此,多芯导线也可无问题地插入,不会使多芯导线开叉和/或其它的偏离。根据权利要求5该任务按照下列方法来解决:在未经表面加工和闭合的夹紧位置,板弹簧的夹紧腿部的端侧部分(endseitigTeilstuck)位于材料通道的轮廓范围内(即,定位在材料通道的深度中),而且,夹紧腿部的端侧部分的表面延伸部(Flachenerstreckung)等于或大于待夹紧导线的名义横截面,这样,带有夹紧腿部的端侧部分的环形闭合的孔边突缘内壁面对插入导线的前导端构成一全面金属包围的导线预擒凹口。
对于上述的导线预擒凹口的几何形状来说,板弹簧的夹紧腿部的端侧部分尽可能平坦地布置在孔边突缘的轮廓内。这样,相对导线的上表面,夹紧腿部端部(Klemmschenkelend)的正面产生尽可能钝的装置,由此,在出现导线拔出力时可避免边缘锋利的导线夹持,还可无损坏地夹紧较易损坏的细线的导线。
导线预擒凹口这样捆束多芯导线,并对各种类型的导线具有如下的优点:在插接连接的情形中,首先,导线的前导端不费力地插入导线预擒凹口,在借助于手工在导线上施加轴向力而引导进入夹紧位置的开口之前,因此,可避免偏离运动而得以固定。
根据权利要求6,是这样解决任务的:在这种类型的弹力夹紧接头的情形中,如果夹紧位置位于材料通道的深处,则夹紧位置还可更好地得以解决。在根据这种类型的弹力夹紧接头中,总存在一问题,即,为了打开夹紧位置,板弹簧的夹紧腿部抵抗其弹力向后压迫,以使夹紧位置变得最佳,即,完全地打开。这在下列情形下尤其是如此,当由于在一紧凑的布线的情形中存在有这样的必要性,可只需将工具(螺钉起子)沿轴向推进,以将夹紧位置打开。
这个问题可根据权利要求6得以解决:在材料通道的轮廓之外,位于板弹簧夹紧腿部中间部分显现有一沿夹紧腿部的弹簧夹紧力方向的鼓起部分(Vorwolbung),这样,靠着该鼓起部分并基本垂直于电流汇流块的表面放置的一推压工具,将该夹紧腿部挤压到一位置,直到完全打开夹紧位置。
基本上还要指明的是,一种根据本发明原理设计的弹力夹紧接头在结构形式上既可以是镜象对称地制作的两个板弹簧设置在电流汇流块上相近邻布置的材料通道内,(对此参见DE 28 25 291 C2中的结构形式),也可是具有一个装置腿部(Anlageschenkel)或夹持腿部(Halteschenkel)的一个板弹簧的结构形式,其可以任意的方式固定在电流汇流块上(例如,通过铆接或挤压),或者,可选择这样的结构形式,其中,根据前述的权利要求4的板弹簧弯曲成U形,并在其与夹紧腿部相对的端部上具有一装置腿部,其与板弹簧的夹紧腿部一起插入到同一个电流汇流块的材料通道内,并抵靠在孔边突缘内壁面,板弹簧与构成夹紧位置的孔边突缘内壁面相对。
附图说明
下面将根据附图对本发明的实施例作详细的描述。其中:
图1和图2a+2b表示根据本发明的一弹力夹紧接头;
图3,4,5表示当作插接件应用时的根据图1的弹力夹紧接头的作用过程;
图6表示在打开夹紧位置时的根据图1的弹力夹紧接头。
具体实施方式
图中(参见图1)示出的是一带有四角形材料通道11的电流汇流块10,这可从图2a(纵向截面图)和图2b(俯视图)中得到更明确的了解。在图2a和2b中示出的电流汇流块10还表明这样的材料通道可以任意的数量互相紧邻地沿一排进行定位。对于电流汇流来说,可选择一狭窄的材料条带的形式,条带在材料通道的范围内显现具有宽度很小的边缘搭边12。
材料通道11具有一从电流汇流块的上侧通过的环形闭合的孔边突缘13,其带有孔边突缘内壁面14和15。从电流汇流块的上侧到孔边突缘内壁面的过渡段可构造成引入圆角或引入斜面16和17。
在材料通道中,放置一大致为U形的弯曲的板弹簧,在所示的实施例中,弹簧后方的弹簧弯曲段靠在一绝缘材料外壳的塑料芯棒上,它们可嵌入到这样的弹力夹紧接头中,直立并同时固定定位。板弹簧的宽度至少在材料通道内延伸的装置腿部(hineinerstreckenden Anlageschenkel)19以及进入到材料通道中的夹紧腿部20的范围内,与四角形的通道宽度相一致。代替通过塑料芯棒18进行附加的固定定位,也可采用其它的辅助方法起到板弹簧的附加固定定位作用,例如,靠在电流汇流块的上侧上的装置腿部19的止挡台肩,和/或在材料通道中的装置腿部的压合座()。然而,在许多应用情况下,这样附加的板弹簧的固定定位也可完全取消,因为U形板弹簧的预张力也可保证板弹簧在材料通道内的自持能力。
夹紧腿部20的端侧的夹紧边缘21在未经表面加工和闭合的夹紧位置上靠在孔边突缘内壁表面15上,由此,在材料通道中保持接触固定。
根据本发明的原理,在孔边突缘内壁表面15上构造一朝向导线的横向边缘,即,朝向材料通道的中心方向突出的、且垂直于导线插入的方向通过材料通道延伸的横向边缘,在所示的实施例中,横向边缘通过孔边突缘13的下侧棱22构成,为此目的,其朝向材料通道的中心方向突出。
此外,根据本发明的原理,板弹簧的夹紧腿部20的尺寸和结构形成为:它在导线23(对此参见图5)的夹紧位置上最大程度地沿材料通道的深度方向沉入,由此,其端侧的夹紧边缘21在夹紧导线时与孔边突缘的下侧棱22相对,这样,导线23在夹紧位置21/22处被夹紧而无倾覆力矩。
所示实施例还可实现构成一所谓的导线预擒凹口24(对此参见图3)。该凹口是这样形成的:夹紧腿部20的端侧部分25在未表面加工和闭合的夹紧位置处处在材料通道11的轮廓范围内,而且,端侧部分25的表面延伸部等于或大于待夹紧导线23的名义横截面(Nennquerschnitt)(参照图3)。当对导线施加一手工的轴向力以便将导线插入到夹紧位置时(所谓的插接连接),该全面被金属包围的导线预擒凹口24首先允许导线的前导端不费力地插入,然后,阻止导线前端产生不希望的偏离运动。
导线插接到夹紧位置的作用过程示于图4和5,其中,孔边突缘内壁面15构造成无阻挡和平坦的斜面的造型,可减小为插入导线而施加的轴向力。
根据本发明的弹力夹紧接头所示的实施例还考虑到这样的要求,即,这种类型的弹力夹紧接头同样可应用于非插接的导线(例如,对于细小的柔性导线),和/或能够将已夹紧的导线从夹紧的位置中脱开。为此目的,板弹簧的夹紧腿部20具有一鼓起26(参照图5),它布置在材料通道轮廓的范围之外,以便一靠在该鼓起部分沿基本上垂直于电流汇流块的上侧的方向插入的加压工具27将夹紧腿部向后推压,直到一使夹紧位置完全被打开的位置(参见图6)。
Claims (6)
1.一种与导线连接的带有一电流汇流块和一板弹簧的弹力夹紧接头,
电流汇流块由一平的材料制成,并具有一呈四角形材料通道形式的导线插入用的开口,材料通道具有一沿导线插入方向延伸的孔边突缘,
板弹簧具有一夹紧腿部,该夹紧腿部的端部沉入到通道中,夹紧腿部的端部连同材料通道的孔边突缘内壁面构成对导线的夹紧位置,
其特征在于,
在与夹紧腿部的端部一同构成夹紧位置的孔边突缘内壁面(15)处存在有一横向边缘(22),该横向边缘面对着导线突出、并垂直于导线插入方向延伸,
板弹簧的夹紧腿部的尺寸和结构是这样形成的,即,使夹紧腿部的端部端侧夹紧边缘(21)在导线夹紧的位置上面对在孔边突缘内壁面上存在的横向边缘。
2.如权利要求1所述的弹力夹紧接头,其特征在于,存在于孔边突缘内壁表面(15)上的横向边缘由沿导线插入方向的材料通道的孔边突缘的下侧棱(22)构成,孔边突缘的下侧棱对着被夹紧导线突出。
3.如权利要求2所述的弹力夹紧接头,其特征在于,孔边突缘的范围内的孔边突缘内壁面,其侧棱(22)与板弹簧的夹紧腿部端部构成夹紧位置,所述孔边突缘内壁面构造成为一柔性和过渡无阻挡的斜面(15)。
4.如上述权利要求中任何一项所述的弹力夹紧接头,其特征在于,
板弹簧基本上弯曲成U形,并在其与夹紧腿部相对的端部上具有一装置腿部(19),其与板弹簧的夹紧腿部(20)一起插入到同一个电流汇流块的材料通道内,并抵靠于孔边突缘内壁面(14),板弹簧与构成夹紧位置的孔边突缘内壁面(15)相对。
5.如权利要求1所述的弹力夹紧接头,其特征在于,
在未经表面加工和闭合的夹紧位置,板弹簧的夹紧腿部的端侧部分位于材料通道的轮廓范围内,而且,夹紧腿部的端侧部分的表面延伸部等于或大于待夹紧导线的名义横截面,
带有夹紧腿部的端侧部分的环形闭合的孔边突缘内壁面对插入导线的前导端构成一全面金属包围的导线预擒凹口(24)。
6.如权利要求1所述的弹力夹紧接头,其特征在于,
在材料通道的轮廓之外,位于板弹簧夹紧腿部中间部分显现有一沿夹紧腿部的弹簧夹紧力的方向的鼓起(26),
靠着该鼓起部分并基本上垂直于电流汇流块的表面放置的一推压工具(27),将该夹紧腿部挤压到一位置,直到完全打开夹紧位置。
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CN1205697C (zh) * | 2000-08-04 | 2005-06-08 | 欧姆龙株式会社 | 电线连接器具 |
DE10103107B4 (de) | 2000-12-20 | 2007-07-12 | Hager Electro Gmbh | Anschlußklemme für elektrische Leiter |
US7073584B2 (en) * | 2003-11-12 | 2006-07-11 | Halliburton Energy Services, Inc. | Processes for incorporating inert gas in a cement composition containing spherical beads |
-
2002
- 2002-08-22 DE DE10239273A patent/DE10239273A1/de not_active Withdrawn
-
2003
- 2003-08-14 IL IL157394A patent/IL157394A/en unknown
- 2003-08-14 AR ARP030102954A patent/AR040981A1/es not_active Application Discontinuation
- 2003-08-15 ES ES03018505T patent/ES2319881T3/es not_active Expired - Lifetime
- 2003-08-15 AT AT03018505T patent/ATE422104T1/de not_active IP Right Cessation
- 2003-08-15 EP EP03018505A patent/EP1391965B1/de not_active Expired - Lifetime
- 2003-08-15 TW TW092122443A patent/TWI269501B/zh not_active IP Right Cessation
- 2003-08-15 DE DE50311140T patent/DE50311140D1/de not_active Expired - Lifetime
- 2003-08-19 CA CA2437872A patent/CA2437872C/en not_active Expired - Fee Related
- 2003-08-21 RU RU2003125825/09A patent/RU2310258C2/ru not_active IP Right Cessation
- 2003-08-21 PL PL361773A patent/PL205185B1/pl unknown
- 2003-08-21 BR BR0303275-2A patent/BR0303275A/pt not_active Application Discontinuation
- 2003-08-22 KR KR1020030058135A patent/KR100935279B1/ko active IP Right Grant
- 2003-08-22 CN CNB031551610A patent/CN100521370C/zh not_active Expired - Lifetime
- 2003-08-22 US US10/646,337 patent/US6814608B2/en not_active Expired - Lifetime
- 2003-08-22 JP JP2003336460A patent/JP4329897B2/ja not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102237577A (zh) * | 2010-04-16 | 2011-11-09 | Wago管理有限责任公司 | 弹力夹紧接头和夹紧构件 |
CN102237577B (zh) * | 2010-04-16 | 2015-10-28 | Wago管理有限责任公司 | 弹力夹紧接头和夹紧构件 |
Also Published As
Publication number | Publication date |
---|---|
ATE422104T1 (de) | 2009-02-15 |
PL205185B1 (pl) | 2010-03-31 |
DE10239273A1 (de) | 2004-03-04 |
KR100935279B1 (ko) | 2010-01-06 |
TWI269501B (en) | 2006-12-21 |
DE50311140D1 (de) | 2009-03-19 |
EP1391965A1 (de) | 2004-02-25 |
RU2310258C2 (ru) | 2007-11-10 |
JP2004087500A (ja) | 2004-03-18 |
PL361773A1 (en) | 2004-02-23 |
EP1391965B1 (de) | 2009-01-28 |
JP4329897B2 (ja) | 2009-09-09 |
TW200408176A (en) | 2004-05-16 |
RU2003125825A (ru) | 2005-02-27 |
CA2437872C (en) | 2011-03-22 |
ES2319881T3 (es) | 2009-05-14 |
CA2437872A1 (en) | 2004-02-22 |
KR20040018203A (ko) | 2004-03-02 |
US6814608B2 (en) | 2004-11-09 |
US20040077210A1 (en) | 2004-04-22 |
AR040981A1 (es) | 2005-04-27 |
CN1487626A (zh) | 2004-04-07 |
IL157394A0 (en) | 2004-02-19 |
IL157394A (en) | 2010-11-30 |
BR0303275A (pt) | 2004-08-24 |
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