CN102971926B - 具有穿过壳体壁的电缆贯穿引导装置的电的设备 - Google Patents

具有穿过壳体壁的电缆贯穿引导装置的电的设备 Download PDF

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CN102971926B
CN102971926B CN201180008508.0A CN201180008508A CN102971926B CN 102971926 B CN102971926 B CN 102971926B CN 201180008508 A CN201180008508 A CN 201180008508A CN 102971926 B CN102971926 B CN 102971926B
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pipe joint
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CN102971926A (zh
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尼克拉斯·金兹尔
凯-亨德雷克·施密特
赫尔维希·里林
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Kostal Industrie Elektrik GmbH
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/02—Cable terminations
    • H02G15/04—Cable-end sealings
    • H02G15/043—Cable-end sealings with end caps, e.g. sleeve closed at one end
    • H02G15/046—Cable-end sealings with end caps, e.g. sleeve closed at one end with bores or protruding portions allowing passage of cable conductors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
    • H02G3/0616—Joints for connecting tubing to casing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
    • H02G3/0616—Joints for connecting tubing to casing
    • H02G3/0625—Joints for connecting tubing to casing with means for preventing disengagement of conductors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
    • H02G3/0616—Joints for connecting tubing to casing
    • H02G3/0625—Joints for connecting tubing to casing with means for preventing disengagement of conductors
    • H02G3/0641—Joints for connecting tubing to casing with means for preventing disengagement of conductors with means distorted around the conductors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
    • H02G3/0616—Joints for connecting tubing to casing
    • H02G3/0625—Joints for connecting tubing to casing with means for preventing disengagement of conductors
    • H02G3/065—Joints for connecting tubing to casing with means for preventing disengagement of conductors with means biting into the conductor-insulation, e.g. teeth-like elements or gripping fingers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
    • H02G3/0616—Joints for connecting tubing to casing
    • H02G3/0625—Joints for connecting tubing to casing with means for preventing disengagement of conductors
    • H02G3/0658—Joints for connecting tubing to casing with means for preventing disengagement of conductors with means constricting the conductor-insulation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
    • H02G3/0616—Joints for connecting tubing to casing
    • H02G3/0625—Joints for connecting tubing to casing with means for preventing disengagement of conductors
    • H02G3/0666—Joints for connecting tubing to casing with means for preventing disengagement of conductors with means clamping the armour of the conductor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
    • H02G3/0616—Joints for connecting tubing to casing
    • H02G3/0625—Joints for connecting tubing to casing with means for preventing disengagement of conductors
    • H02G3/0675—Joints for connecting tubing to casing with means for preventing disengagement of conductors with bolts operating in a direction parallel to the conductors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/02—Cable terminations
    • H02G15/04—Cable-end sealings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/02—Cable terminations
    • H02G15/06—Cable terminating boxes, frames or other structures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/02—Cable terminations
    • H02G15/06—Cable terminating boxes, frames or other structures
    • H02G15/076—Cable terminating boxes, frames or other structures for multi-conductor cables
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/08—Cable junctions

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Cable Accessories (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
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Abstract

描述了具有穿过壳体壁的电缆贯穿引导装置的电的设备，具有布置在壳体壁上的管接头以及具有联管螺母，管接头具有带齿部的端面，联管螺母在已装配状态下搭接与电缆连接的套筒并且将其压紧到管接头上，其中，套筒具有开齿的环形面，该开齿的环形面贴靠在管接头的齿部上，其中，管接头整体式地与壳体壁一起构造，并且其中，套筒不可推移地与电缆护套的外侧连接。

Description

具有穿过壳体壁的电缆贯穿引导装置的电的设备
技术领域
本发明涉及具有穿过壳体壁的电缆的贯穿引导装置的电的设备，具有布置在壳体壁上的管接头以及具有联管螺母，管接头具有带齿部的端面，联管螺母在已装配状态下搭接与电缆连接的套筒并且将其压紧到管接头上，其中，套筒具有开齿的环形面，该开齿的环形面贴靠在管接头的齿部上。
背景技术
由德国实用新型专利文献DE20116680U1中公知这类设备的电的敷设电缆装置。为了制造该敷设电缆装置设置有带法兰部件的管接头。该管接头插入壳体壁内的开口中并且通过拧接到管接头上的螺母附着在壳体壁上。为了附着电缆，在电缆护套和电缆芯线之间推入呈空心柱体形的接头，该接头通过压紧到电缆护套上的套筒来保持。该空心柱体形的接头与如下的成形件形状锁合地连接，该成形件具有开齿的端面，将该开齿的端面由能拧接到管接头上的联管螺母向着管接头的同样开齿的端面挤压。联管螺母的呈环形的盖区域沿着轴向方向按压在成形件的环形槽中插入的密封环。
该公知的电的敷设电缆装置提供了在电的设备的壳体上的密封的、防扭转的以及缓解拉力的电缆贯穿引导装置。然而在该设备中的用于制造敷设电缆装置的待连接的部件的数量和装配消耗相对很高。
发明内容
提出了如下任务，即，提供具有防潮的、防扭转的、缓解拉力的电缆贯穿引导装置的电的设备，该电的设备能以较少的消耗制造和装配。
该任务按照本发明通过以下方式来解决，即，管接头整体式地与壳体壁一起构造，并且套筒不可推移地与电缆护套的外侧连接。
不可推移的连接在此既阻止了套筒相对电缆护套的转动运动也阻止了套筒相对电缆护套的轴向推移。
有利的是，管接头整体式地模制到壳体壁上，并且因此不以昂贵的方式装配到壳体上，由此相对已公知的实施方案获得第一项成本优势。
其他成本优势通过如下方式获得，即，利用联管螺母、简单构造的套筒以及密封装置仅需要很少的用于将电缆附着在管接头上的零件。此外这些零件可以通过简单的装套预装配到电缆上。只有套筒要求在电缆护套上的不可推移式的附着，该不可推移式的附着可以以特别有利的方式通过套筒的呈套筒形区段在电缆护套的外侧上的压接(Crimpen)来制造。这种压接使得快速和简单地附着套筒成为可能，而不需套筒切入电缆护套中或者切入处在电缆护套下的电缆芯线中。
备选地也可以设置，将套筒与电缆护套的为此所设置的部位粘接或者将电缆护套的相应的部位利用构造了套筒的合成材料包封。
密封装置既不在套筒上也不在电缆上要求特别的附着。该密封装置通过简单地装套到电缆上被直接定位在套筒前。
在特别有利的设计方案中，呈空心柱体形的联管螺母的内壁具有模制的齿或者止动钩，这些模制的齿或者止动钩能够与在管接头的壳面上相应的模制的止动钩或者齿制造止动连接，通过该止动连接来确保在联管螺母和管接头之间的螺纹连接。
特别有利的是，齿和/或止动钩非对称式地成形并且对于转动方向而言具有不同的斜度。由此联管螺母的拧紧相比松开可以以明显小的力消耗来实现。
附图说明
接下来应借助于附图示出和阐释依照本发明的电的设备的实施例。
其中：
图1示出了壳体的区段连同待接上的电缆；
图2示出了带有已接上的套筒的管接头；
图3示出了已装配到壳体上的电缆；
图4示出了图3的剖面图；
图5示出了穿过拧接到管接头上的联管螺母的横截面。
具体实施方式
图1示出了壳体18的部分视图和经预装配的待与壳体18连接的电缆1。两个管接头3整体式地模制在壳体壁2上，从而能够将两个电缆1与壳体18进行连接。每个管接头具有通过开口12，该通过开口直至壳体18的内部中地引导。在每个管接头3的端面上可辨认出各一个模制的齿部8。管接头3的壳面各具有在前面的区段中的螺纹13和在更靠近壳体的区段上的多个止动钩14。这些止动钩14在管接头3的壳面上构造出斜面，这些斜面在顺时针方向、即拧紧方向上相比反方向具有较小的斜度。
在管接头3前面示出了电缆1，呈空心柱体形的联管螺母4、套筒5和呈波纹管状的橡胶密封装置11装套到该电缆的电缆护套9上。该套筒5具有围绕电缆1的压接区段10和如下呈环形的区段，该呈环形的区段在面朝联管螺母4的侧上构造有平面的环形面7以及在面朝管接头3的对置侧上构造有开齿的环形面6。套筒5的压接区段10借助于未示出的压接工具压紧到电缆1上进而不可推移地附着在电缆护套9上。因为套筒5由此构造了压接套筒，所以该套筒优选地实施为整体式制造的金属部件。
备选地，该套筒5也可以设置为合成材料部件，该合成材料部件通过对电缆护套9的包封制造并且不可推移地附着在电缆护套9上。在其他有利的实施方式中由金属或合成材料制成的套筒5还能通过粘接不可推移地被附着在电缆护套9上。
带有附着的套筒5和通过装套来预装配的联管螺母4和密封装置11的电缆1通过推入管接头3的通过开口12中而与电的设备的壳体18连接。在前面的电缆区段上的经剥离的电缆芯线17接着通过在壳体18的内部的连接元件以普遍的方式被触点接通。
电缆1被推入管接头3中之后达到的装配状态在图2中被示出。密封装置11和套筒5的压接区段10完全地由管接头3的通过开口12所容纳。套筒5的开齿的环形面6处在管接头3上模制的齿部8的前面一点。由此电缆1相对于管接头3的转动位置还能在该装配阶段中被修改。
通过将联管螺母4拧接到在管接头3的壳面上的螺纹13上，将套筒5的开齿的环形面6向着管接头3的齿部8挤压，由此电缆1现在防扭转地附着在壳体18上。因为套筒5通过在其平面的环形面7上贴靠的联管螺母也轴向不可推移地附着在管接头3上，所以与套筒5牢固连接的电缆1现在也缓解拉力地布置在壳体18上。因此达到的装配状态在图3中示出。
在电缆芯线17在壳体18内部接通之后获得图4中以截面视图所示出的布置。可以看出密封装置11和套筒5的压接区段10布置在通过开口12的具有相对宽的横截面的区段中，而通过开口12的宽度在密封装置11之后就缩小到了电缆1的横截面宽度。由此通过开口12的优化密封通过密封装置11被实现。
图5由图4的截面平面A-A以由壳体18侧的观察方向示出了横截面图。所示出的是在管接头3的壳面上模制的止动钩14以及在联管螺母4的内面上模制的齿15，它们齿在联管螺母4拧接到管接头3上的情况下彼此锁止。显而易见的是，不仅止动钩14而且齿15都是非对称式地成形并且沿着周边方向构造出斜面，这些斜面根据旋转方向的不同具有不同的斜度。由此联管螺母4拧接到管接头3上可以利用相对小的力量消耗进行，而螺纹连接的松开就需要高的力量消耗或者甚至只有在摧毁由止动钩14和齿15制造的止动连接的条件下是可能的。止动器件14、15的这类设计方案于是在如下情况下是特别有益的和有利的，即，电缆1能够引导高压并且因此该电缆螺旋接合的松开应该由于安全原因变难，而不会在此增大在之前的装配中的消耗。
按照本发明构造的电的设备能够优选地作为光伏设施的组成部件投入应用。
附图标记列表
1电缆
2壳体壁
3管接头
4联管螺母
5套筒
6开齿的环形面
7平面的环形面
8齿部
9电缆护套
10压接区段
11密封装置
12通过开口
13螺纹
14止动钩
15齿
17电缆芯线
18壳体

Claims (8)

1.具有穿过壳体壁(2)的电缆(1)的贯穿引导装置的电的设备，具有布置在所述壳体壁(2)上的管接头(3)以及具有联管螺母(4)，所述管接头具有带齿部(8)的端面，所述联管螺母在已装配状态下搭接与所述电缆(1)连接的套筒(5)并且将其压紧到所述管接头(3)上，其中，所述套筒(5)具有开齿的环形面(6)，所述开齿的环形面贴靠在所述管接头(3)的所述齿部(8)上，其特征在于，所述管接头(3)整体式地与所述壳体壁(2)一起构造，并且所述套筒(5)不能推移地与电缆护套(9)的外侧连接，所述管接头(3)在其壳面上具有模制的止动钩(14)，并且所述联管螺母(4)在其内壁上具有模制的齿(15)，并且在所述联管螺母(4)拧接到所述管接头(3)上的情况下所述止动钩(14)在所述齿(15)上锁止。
2.根据权利要求1所述的电的设备，其特征在于，所述套筒(5)压接到所述电缆护套(9)上。
3.根据权利要求1所述的电的设备，其特征在于，所述套筒(5)粘接到所述电缆护套(9)上。
4.根据权利要求2所述的电的设备，其特征在于，所述套筒(5)具有压接区段(10)，所述压接区段在已装配状态下推入所述管接头(3)的通过开口(12)中。
5.根据权利要求1所述的电的设备，其特征在于，在已装配状态下密封装置(11)布置在所述管接头(3)的通过开口(12)中。
6.根据权利要求1所述的电的设备，其特征在于，所述齿(15)和/或所述止动钩(14)非对称式地构造。
7.根据权利要求1所述的电的设备，其特征在于，所述壳体(18)具有多个模制的、用于贯穿引导各一个电缆(1)的管接头(3)。
8.根据权利要求1所述的电的设备，其特征在于，所述设备是光伏设施的组成部件。
CN201180008508.0A 2010-02-06 2011-02-03 具有穿过壳体壁的电缆贯穿引导装置的电的设备 Expired - Fee Related CN102971926B (zh)

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US9819171B2 (en) 2017-11-14
EP2532061B1 (de) 2014-07-16
BR112012019494B1 (pt) 2019-10-29
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