EP0630532A1 - Cable end cap - Google Patents

Cable end cap

Info

Publication number
EP0630532A1
EP0630532A1 EP94902590A EP94902590A EP0630532A1 EP 0630532 A1 EP0630532 A1 EP 0630532A1 EP 94902590 A EP94902590 A EP 94902590A EP 94902590 A EP94902590 A EP 94902590A EP 0630532 A1 EP0630532 A1 EP 0630532A1
Authority
EP
European Patent Office
Prior art keywords
end cap
cable end
cable
sealing
sealing element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP94902590A
Other languages
German (de)
French (fr)
Inventor
Jürgen Merkel
Erich Wickli
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huber and Suhner AG
Original Assignee
Huber and Suhner AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huber and Suhner AG filed Critical Huber and Suhner AG
Publication of EP0630532A1 publication Critical patent/EP0630532A1/en
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H02G15/02—Cable terminations
    • H02G15/04—Cable-end sealings
    • H02G15/043—Cable-end sealings with end caps, e.g. sleeve closed at one end

Definitions

  • Cable end caps are required to seal cut cable ends when laying cables. Above all, they are intended to prevent the ingress of water and moisture. Previous solutions to this problem are complex to manufacture and use. For example, a shrink cap is known which is shrunk onto the cable end at the construction site by means of hot air
  • the object of the present invention is to eliminate the above disadvantage. This object is achieved by the combination of features of the claims.
  • FIG. 2 shows a plan view of the cap according to FIG. 1,
  • FIG. 4 shows an enlarged detail of the representation according to FIG. 3,
  • FIG. 5 shows an enlarged detail from FIGS. 1 and 6,
  • Fig. 7 is a perspective view, partly in section.
  • the cable end cap 1 consists of a tubular thermoplastic sleeve 3, which is closed at the end by an end wall 2, for example made of HDPE, a sealing element 4, a bracket 6 inserted into a URA primary groove 5 of the sealing element 4, and a mounting ring 10 which holds the sealing element 4 and the sleeve 3 together.
  • the sealing element 4 consists of a soft elastomer, for example of silicone rubber.
  • the inner diameter of the sealing element 4, formed by sealing beads 7, lies gas-tight and water-tight on the outer circumference 8 of a cable end 9 when the clamp 6 is tensioned.
  • the bracket 6 is made of a thermoplastic, e.g. injection molded from PA 6.6 and consists of a band 20 with a radially projecting handle body 21, on one side of which the band 20 is formed as a tab 22 with sawtooth-shaped grooves 23 on the outside.
  • a pusher 24 is formed on the opposite end of the band 20.
  • the pusher 24 has a rectangular passage opening 25 for pushing the tab 22.
  • a spiral spring 27 is formed on the pusher 24, which presses against the tab 22 and is in engagement with a tooth 26 with one of the grooves 23.
  • a protruding nose 28 of the spring 27 facilitates the loosening of the tooth engagement.
  • a flange 29 of the sealing element 4 is pressed against a flange 30 of the sleeve 3 by the snap-on mounting ring 10, for example made of HDPE.
  • a circumferential projection 31 of the flange 30 ensures a reliable seal.
  • the cable end cap 1 is pushed over the cut end of a cable 9 and the clamp 6 is then tensioned by pressing the push button 24 and the grip body 21 against one another.
  • the clamp 6 enables an inner diameter reduction of the sealing element 4 of 6-8 mm, so that the end cap according to FIGS. 1-4 can be used for a corresponding diameter range of the cable 9.
  • the sealing element 4 has internal, sawtooth-shaped sealing lips 44. It also consists of a soft elastomer and is the same Way connected to the sleeve 3 by means of the mounting ring 10.
  • the inner diameter over the sealing lips 41 is approximately 2 mm smaller than the diameter of the cable end to be sealed.
  • the elastic deformation of the sealing element 4 and the sealing lips 41 when pushed onto the cable end generates the necessary contact pressure on the cable sheath.
  • the sawtooth profile of the sealing lips 41 reliably prevents the end cap from slipping off the cable end.
  • the clamping force at the inlet diameter can be kept smaller by tapering the wall thickness and expanding the front sealing lip. This measure allows the cable diameter range to be expanded upwards (large cable diameters can also be inserted without problems).
  • 1-4 can also be used in combination with the end cap 40 according to FIGS. 6 and 7, or in other applications where clips are required.

Landscapes

  • Cable Accessories (AREA)
  • Installation Of Indoor Wiring (AREA)

Abstract

L'embout de cable se compose d'une gaine (3) fermée à une extrémité frontale et réalisée dans une matière thermoplastique, ainsi que d'un élément d'étanchéité (4) en élastomère avec des lèvres d'étanchéité (41). La gaine (3) et l'élément d'étanchéité (4) sont réunis au moyen d'une bague de montage (10) de manière à former un assemblage étanche. On peut ainsi assurer l'étanchéité des extrémités coupées des câbles de manière fiable et avec des moyens limités.The cable end consists of a sheath (3) closed at a front end and made of a thermoplastic material, as well as a sealing element (4) made of elastomer with sealing lips (41). The sheath (3) and the sealing element (4) are joined by means of a mounting ring (10) so as to form a sealed assembly. It is thus possible to seal the cut ends of the cables reliably and with limited means.

Description

Kabelendkappe Cable end cap
Kabelendkappen benötigt man zum Abdichten von abgeschnittenen Kabelenden beim Verlegen von Kabeln. Sie sollen vor allem das Eindringen von Wasser und Feuchtigkeit verhindern. Bisherige Lösungen dieses Problems sind aufwendig in der Herstellung und im Gebrauch. Bekannt ist beispielsweise eine Schrumpfkappe wel¬ che auf der Baustelle mittels Heissluft auf das Kabelende auf¬ geschrumpft wirdCable end caps are required to seal cut cable ends when laying cables. Above all, they are intended to prevent the ingress of water and moisture. Previous solutions to this problem are complex to manufacture and use. For example, a shrink cap is known which is shrunk onto the cable end at the construction site by means of hot air
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, den obi¬ gen Nachteil zu beseitigen. Diese Aufgabe wird durch die Merk¬ malskombination der Ansprüche gelöst.The object of the present invention is to eliminate the above disadvantage. This object is achieved by the combination of features of the claims.
Nachfolgend werden Ausführungsbeispiele der Erfindung anhand der Zeichnung erläutert. Darin zeigt:Exemplary embodiments of the invention are explained below with reference to the drawing. It shows:
Fig. 1 Einen Axialschnitt durch eine Kabelendkappe,1 shows an axial section through a cable end cap,
Fig. 2 eine Draufsicht auf die Kappe nach Figur 1,2 shows a plan view of the cap according to FIG. 1,
Fig. 3 einen Schnitt längs der Linie III-III in Figur 1,3 shows a section along the line III-III in FIG. 1,
Fig. 4 einen vergrösserten Ausschnitt der Darstellung nach Fig. 3,4 shows an enlarged detail of the representation according to FIG. 3,
Fig . 5 einen vergrösserten Ausschnitt aus Fig. 1 und Fig. 6,Fig. 5 shows an enlarged detail from FIGS. 1 and 6,
Fig. 6 einen Axialschnitt durch eine zweite Ausführungsform, und,6 shows an axial section through a second embodiment, and
Fig. 7 eine perspektivische Ansicht, teileweise im Schnitt.Fig. 7 is a perspective view, partly in section.
Bei der Ausführungsform nach Figuren 1 bis 4 besteht die Kabel¬ endkappe 1 aus einer rohrförmigen, am Ende durch eine Stirnwand 2 abgeschlossenen, thermoplastischen Hülse 3 z.B. aus HDPE, einem Dichtelement 4, einer in eine Urafangsnut 5 des Dichtele¬ mentes 4 eingelegten Bride 6, sowie einem Montagering 10, der Dichtele- ment 4 und Hülse 3 zusammenhält. Das Dichtelement 4 besteht aus einem weichen Elastomer, z.B. aus Silikonkautschuk. Der durch Dichtwulste 7 gebildete Innendurchmesser des Dicht¬ elementes 4 liegt bei gespannter Bride 6 am Aussenumfang 8 eines Kabelendes 9 gas- und wassserdicht an.In the embodiment according to FIGS. 1 to 4, the cable end cap 1 consists of a tubular thermoplastic sleeve 3, which is closed at the end by an end wall 2, for example made of HDPE, a sealing element 4, a bracket 6 inserted into a URA primary groove 5 of the sealing element 4, and a mounting ring 10 which holds the sealing element 4 and the sleeve 3 together. The sealing element 4 consists of a soft elastomer, for example of silicone rubber. The inner diameter of the sealing element 4, formed by sealing beads 7, lies gas-tight and water-tight on the outer circumference 8 of a cable end 9 when the clamp 6 is tensioned.
Die Bride 6 ist aus einem Thermoplast, z.B. aus PA 6.6 εpritz- gegossen und besteht aus einem Band 20 mit einem radial abste¬ henden Griffkörper 21, auf dessen einer Seite das Band 20 als Lappen 22 mit sägezahnförmigen Nuten 23 auf der Auεsenseite ausgebildet ist. Benachbart dem gegenüberliegenden Ende des Bandes 20 ist an diesem ein Drücker 24 angeformt. Der Drücker 24 hat eine rechteckige Durchtrittsöffnung 25 zum Durchschieben des Lappens 22. Am Drücker 24 ist eine Biegefeder 27 angeformt, welche gegen den Lappen 22 drückt und mit einem Zahn 26 in Eingriff mit einer der Nuten 23 steht. Eine abstehende Nase 28 der Feder 27 erleichtert das Lösen des Zahneingriffs.The bracket 6 is made of a thermoplastic, e.g. injection molded from PA 6.6 and consists of a band 20 with a radially projecting handle body 21, on one side of which the band 20 is formed as a tab 22 with sawtooth-shaped grooves 23 on the outside. A pusher 24 is formed on the opposite end of the band 20. The pusher 24 has a rectangular passage opening 25 for pushing the tab 22. A spiral spring 27 is formed on the pusher 24, which presses against the tab 22 and is in engagement with a tooth 26 with one of the grooves 23. A protruding nose 28 of the spring 27 facilitates the loosening of the tooth engagement.
Ein Flansch 29 des Dichtelementes 4 wird durch den aufge¬ schnappten Montagering 10 zum Beispiel aus HDPE gegen einen Flansch 30 der Hülse 3 gepresst. Ein umlaufender Vorsprung 31 des Flansches 30 sorgt für eine zuverlässige Abdichtung.A flange 29 of the sealing element 4 is pressed against a flange 30 of the sleeve 3 by the snap-on mounting ring 10, for example made of HDPE. A circumferential projection 31 of the flange 30 ensures a reliable seal.
Bei der Montage wird die Kabelendkappe 1 über das abgeschnit¬ tene Ende eines Kabels 9 geschoben und anschliessend die Bride 6 gespannt, indem Drücker 24 und Griffkörper 21 gegeneinander gepresst werden.Wenn für das Dichtelement 4 ein relativ weicher Elastomer verwendet wird, ermöglicht die Bride 6 eine Innen¬ durchmesserreduktion des Dichtelementes 4 von 6-8 mm, sodass die Endekappe nach Figuren 1-4 für einen entsprechenden Durch¬ messerbereich des Kabels 9 verwendbar ist.During assembly, the cable end cap 1 is pushed over the cut end of a cable 9 and the clamp 6 is then tensioned by pressing the push button 24 and the grip body 21 against one another. If a relatively soft elastomer is used for the sealing element 4, the clamp 6 enables an inner diameter reduction of the sealing element 4 of 6-8 mm, so that the end cap according to FIGS. 1-4 can be used for a corresponding diameter range of the cable 9.
Bei der Ausführungsform nach Figur 6 und 7 hat das Dichtelement 4 innen umlaufende, sägezahnför ige Dichtlippen 44. Es besteht ebenfalls aus einem weichen Elastomer und ist in gleicher Weise mittels des Montagerings 10 mit der Hülse 3 verbunden. Der Innendurchmesser über die Dichtlippen 41 ist ca. 2 mm klei¬ ner als der Durchmesser des abzudichtenden Kabelendes. Die ela¬ stische Verformung des Dichtelementes 4 und der Dichtlippen 41 beim Aufschieben auf das Kabelende erzeugt den notwendigen An¬ pressdruck auf den Kabelmantel. Das Sägezahnprofil der Dicht¬ lippen 41 verhindert zuverlässig ein Abrutschen der Endkappe vom Kabelende.In the embodiment according to FIGS. 6 and 7, the sealing element 4 has internal, sawtooth-shaped sealing lips 44. It also consists of a soft elastomer and is the same Way connected to the sleeve 3 by means of the mounting ring 10. The inner diameter over the sealing lips 41 is approximately 2 mm smaller than the diameter of the cable end to be sealed. The elastic deformation of the sealing element 4 and the sealing lips 41 when pushed onto the cable end generates the necessary contact pressure on the cable sheath. The sawtooth profile of the sealing lips 41 reliably prevents the end cap from slipping off the cable end.
Die Spannkraft am Eingangsdurchmesser kann durch Wandstärken¬ verjüngung sowie Aufweiten der vorderen Dichtlippe kleiner gehalten werden. Durch diese Massnahme lässt sich der Kabel¬ durchmesserbereich nach oben erweitern (Grosse Kabeldurchmesser lassen sich ebenfalls problemlos einführen).The clamping force at the inlet diameter can be kept smaller by tapering the wall thickness and expanding the front sealing lip. This measure allows the cable diameter range to be expanded upwards (large cable diameters can also be inserted without problems).
Die Bride 6 nach Fig. 1-4 kann auch in Kombination mit der End¬ kappe 40 nach Fig. 6 und 7 verwendet werden, oder bei andern Anwendungen, wo Briden erforderlich sind. 1-4 can also be used in combination with the end cap 40 according to FIGS. 6 and 7, or in other applications where clips are required.

Claims

Ansprüche Expectations
1. Kabelendkappe zum Abdichten eines abgeschnittenen Endes eines Kabels (9), bestehend aus einer rohrförmigen, an einem ersten Ende durch eine Stirnwand (2) abgeschlossenen Hülse (3) und einem damit verbundenen, elastomeren Dichtelement (4), das Abdichtmittel (7, 41), zum Abdichten gegen den zylin¬ drischen Aussenumfang (8) des Kabels (9) aufweist.1. Cable end cap for sealing a cut end of a cable (9), consisting of a tubular sleeve (3) closed at a first end by an end wall (2) and an elastomeric sealing element (4) connected thereto, the sealing means (7, 41) for sealing against the cylindrical outer circumference (8) of the cable (9).
2. Kabelendkappe nach Anspruch 1, wobei über den Aus¬ senumfang des Dichtelementes (4) eine Bride (6) gelegt ist, vorzugsweise in eine Nut (5) des Dichtelementes (4).2. Cable end cap according to claim 1, wherein a clip (6) is placed over the outer circumference of the sealing element (4), preferably in a groove (5) of the sealing element (4).
3. Kabelendkappe nach Anspruch 2, wobei die Bride (6) ein Band (20) hat, mit einem radial abstehenden Griffkörper (21), auf dessen einer Seite ein Lappen (22) des Bandes (20) aussenseitig sägezahnförmige Nuten (23) aufweist, und wobei be¬ nachbart dem andern Ende des Bandes (20) aussen ein Drücker (24) angeformt ist, der eine Oeffnung (25) zum Durchführen des Lappens (22) und mindestens einen Zahn (26) zum Eingriff in eine der Nuten (23) hat.3. Cable end cap according to claim 2, wherein the bracket (6) has a band (20) with a radially projecting handle body (21), on one side of which a tab (22) of the band (20) has sawtooth grooves (23) on the outside , and wherein, adjacent to the other end of the band (20), a pusher (24) is formed on the outside, which has an opening (25) for the passage of the tab (22) and at least one tooth (26) for engagement in one of the grooves ( 23) has.
4. Kabelendkappe nach Anspruch 3, wobei am Drücker (24) eine Feder (27) angeformt ist, welche den an ihr angeformten Zahn (26) zum Eingriff in eine der Nuten (23) vorbelastet.4. Cable end cap according to claim 3, wherein a spring (27) is formed on the pusher (24), which preloads the tooth (26) formed thereon for engagement in one of the grooves (23).
5. Kabelendkappe nach einem der Ansprüche 2-4, wobei die Bride (6) einstückig aus Kunststoff besteht.5. Cable end cap according to one of claims 2-4, wherein the bracket (6) consists in one piece of plastic.
6. Kabelendkappe nach einem der Ansprüche 1-5, wobei das Dichtelement (4) innen sägezahnförmige Dichtlippen (41) oder Dichtwulste (7) aufweist.6. Cable end cap according to one of claims 1-5, wherein the sealing element (4) inside sawtooth-shaped sealing lips (41) or sealing beads (7).
7. Kabelendkappe nach einem der Ansprüche 1-6, wobei das Dichtelement (4) mittels eines aufgeschnappten Montagerings (10) mit der Hülse (3) verbunden ist. 7. Cable end cap according to one of claims 1-6, wherein the sealing element (4) by means of a snapped mounting ring (10) is connected to the sleeve (3).
8. Kabelendkappe nach einem der Ansprüche 1-7, wobei die Hülse (3) aus einem Thermoplast besteht. 8. Cable end cap according to one of claims 1-7, wherein the sleeve (3) consists of a thermoplastic.
EP94902590A 1993-01-08 1994-01-04 Cable end cap Ceased EP0630532A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE9300184U 1993-01-08
DE9300184U DE9300184U1 (en) 1993-01-08 1993-01-08 Cable end cap
PCT/CH1994/000002 WO1994016486A1 (en) 1993-01-08 1994-01-04 Cable end cap

Publications (1)

Publication Number Publication Date
EP0630532A1 true EP0630532A1 (en) 1994-12-28

Family

ID=6887939

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94902590A Ceased EP0630532A1 (en) 1993-01-08 1994-01-04 Cable end cap

Country Status (6)

Country Link
US (1) US5516985A (en)
EP (1) EP0630532A1 (en)
KR (1) KR950700625A (en)
AU (1) AU5691894A (en)
DE (1) DE9300184U1 (en)
WO (1) WO1994016486A1 (en)

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US6274812B1 (en) * 1999-12-17 2001-08-14 Avaya Technology Corp. Cable sealing device system
US8502069B2 (en) * 2001-05-18 2013-08-06 Advanced Composite Structures, Llc Protective cover
US7118416B2 (en) * 2004-02-18 2006-10-10 John Mezzalingua Associates, Inc. Cable connector with elastomeric band
NO321923B1 (en) * 2004-12-27 2006-07-24 Nexans Heating cable
WO2011008634A1 (en) * 2009-07-16 2011-01-20 3M Innovative Properties Company Cold shrink article
US10156692B2 (en) * 2014-06-17 2018-12-18 Afl Telecommunications Llc Optical fiber furcation transition assembly with integrated retention feature
CN104967067B (en) * 2015-06-25 2017-06-13 国网山东省电力公司济南供电公司 The special separation sleeve of Power Secondary wiring
JP6952462B2 (en) * 2016-12-15 2021-10-20 スリーエム イノベイティブ プロパティズ カンパニー Wire containment, connector assembly, and waterproof connector
AU2017428895B2 (en) * 2017-08-23 2021-09-09 Fuchs Petrolub Se Improvements to protective covers for conduits such as cables and/or hoses

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Also Published As

Publication number Publication date
DE9300184U1 (en) 1993-03-11
US5516985A (en) 1996-05-14
AU5691894A (en) 1994-08-15
KR950700625A (en) 1995-01-16
WO1994016486A1 (en) 1994-07-21

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