EP0531664A2 - Cutting clamp sleeve contact - Google Patents

Cutting clamp sleeve contact Download PDF

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Publication number
EP0531664A2
EP0531664A2 EP92111972A EP92111972A EP0531664A2 EP 0531664 A2 EP0531664 A2 EP 0531664A2 EP 92111972 A EP92111972 A EP 92111972A EP 92111972 A EP92111972 A EP 92111972A EP 0531664 A2 EP0531664 A2 EP 0531664A2
Authority
EP
European Patent Office
Prior art keywords
sleeve
insulation displacement
slot
contact
section
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.)
Granted
Application number
EP92111972A
Other languages
German (de)
French (fr)
Other versions
EP0531664B1 (en
EP0531664A3 (en
Inventor
Andrzej Dipl.-Ing. Janczak
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.)
ADC GmbH
Original Assignee
Krone GmbH
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Filing date
Publication date
Application filed by Krone GmbH filed Critical Krone GmbH
Publication of EP0531664A2 publication Critical patent/EP0531664A2/en
Publication of EP0531664A3 publication Critical patent/EP0531664A3/en
Application granted granted Critical
Publication of EP0531664B1 publication Critical patent/EP0531664B1/en
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/2445—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives
    • H01R4/2458—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives the contact members being in a slotted tubular configuration, e.g. slotted tube-end
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49204—Contact or terminal manufacturing
    • Y10T29/49208—Contact or terminal manufacturing by assembling plural parts
    • Y10T29/49218—Contact or terminal manufacturing by assembling plural parts with deforming

Definitions

  • the invention relates to a insulation displacement sleeve contact for contacting a cable core transverse to the sleeve axis, in particular for cable cores in telecommunications, from a metallic sleeve jacket with a clamping slot for the insulated cable core and with an insulation displacement contact slot inside the sleeve for stripping-free connection of the cable core and to a method for producing the insulation displacement contact.
  • An insulation displacement contact of the generic type is previously known from DE 37 09 376 C1.
  • jacket pieces are cut out of the metallic sleeve jacket and bent into the interior of the sleeve as a contact leg to form the insulation displacement contact slot.
  • the clamping slot for holding the insulated cable core is through the end edges of the round, oval or polygonal sleeve body formed at a short distance.
  • the disadvantage here is that widening the clamping slot for the insulated cable wire also causes widening of the insulation displacement contact slot for stripping-free connection of the cable wire.
  • the invention is therefore based on the object to improve an insulation displacement contact of the generic type in such a way that an influence on the insulation displacement contact slot is prevented by widening of the clamping slot and that the production of the contact slot with narrow tolerances is possible.
  • the invention provides that a portion of the sleeve shell is bent radially into the interior of the sleeve and is provided with the insulation displacement contact slot and that the clamping slot opposite the insulation displacement contact slot is cut into the sleeve jacket.
  • both the insulation displacement contact slot and the clamping slot are each formed by incisions in the sleeve jacket, as a result of which exact tolerances in the formation of the clamping slot and insulation displacement contact slot can be maintained.
  • the insulation displacement contact slot is located on a section of the sleeve shell which is unaffected by a possible widening of the clamping slot.
  • the insulation displacement sleeve contact is formed from a metal strip into which the clamping slot and the contact slot are cut before bending to the sleeve contact, in particular by stamping. A cutting point with a sharp edge can be punched out at the same time.
  • the final sleeve shape of the insulation displacement contact made by bending and rolling up.
  • the section of the sleeve casing which receives the insulation displacement contact slot can be formed in an e-shaped embodiment as the end piece of the sleeve casing and can be bent radially into the interior of the sleeve.
  • the section receiving the insulation displacement contact slot forms a middle piece of the sleeve shell, the end pieces of the sleeve connecting the clamping slot and also the cutting point, which are connected to the middle section, are bent semicircularly and in opposite directions from the straight middle piece.
  • the insulation displacement contact can be mounted alone on a printed circuit board or used in a wiring strip together with a contact of the same type or with completely different ones as connection or disconnection configurations will.
  • the cable wires are simultaneously clamped in the clamping slot by means of a pressure movement, contacted in the insulation displacement contact slot and cut off at the sharp cutting point.
  • the wiring can be done with a tool or by closing a housing cover of a housing in which the insulation displacement contact is inserted. This can also be called a round pipe contact.
  • the sleeve contact is self-supporting and does not require a housing to support or clamp the cable wires and can, for example, be mounted directly on a circuit board.
  • the clamping slot of the sleeve contact enables the cable core to be securely clamped without movements of the cable core having an effect on, or being transmitted to, the insulation displacement contact slot.
  • the cable wires to be connected do not have to be cut to a certain length beforehand, but are cut off directly at the sleeve contact using a simple wiring tool without moving parts when wiring at the sharp cutting point.
  • the sleeve contact enables reliable contacting of copper wires between 0.32 mm and 0.80 mm in diameter, which depends on the diameter of the sleeve contact. It is also possible to contact stranded wires.
  • the position of the contact slot in relation to the cable core can be a forked or angular position with contact angles between 45 and 90 °.
  • the insulation displacement contact in the first embodiment according to FIGS. 1 and 2 consists of a flat metal strip 1 of an electrically conductive material, in which, according to FIG. 2, a contact slot 2 on the left and a clamping slot 3 on the right and a cutting point 4 in the middle by punching are introduced in one operation.
  • the contact slot 2 has a certain width W, which depends on the core diameter of the cable wires 5 to be connected, and is provided with a V-shaped input area 6.
  • the clamping point consists of a clamping slot 3 of width Z, which is regularly larger than the width W of the contact slot 2, and is also provided with a V-shaped input area 7.
  • a U-shaped free cut 9 is punched into the metal strip 1, the base 10 of which intersects at right angles at the inner end of the clamping slot 3 and its leg 11 parallel to the clamping slot 3 in the direction of whose input area 7 extend, as shown in Fig. 2.
  • the metal strip 1 is bent or rolled into a sleeve body 12 which is round in cross section, a portion 13, which in FIG. 2 is shown by the dashed line 14 from the remaining sleeve jacket 15 is divided, is bent radially into the interior of the sleeve body 12, as shown in Fig. 1 is.
  • the contact slot 2 lies in the center of the sleeve body 12 and is oriented at an angle ⁇ to the transverse axis 16 of the sleeve body 12.
  • the clamping slot 3 and the cutting point 4 are arranged opposite this, as shown in Fig. 1.
  • This embodiment of the insulation displacement contact forms an e-shape with an insulation displacement contact slot 2 oriented at an angle ⁇ obliquely to the axis 17 of the cable wire 5 to be connected, the cable wire 5 lying in the direction of the axis 17 (FIG. 1).
  • the section 13 receiving the contact slot 2 is not connected to the sleeve jacket 12 at the free end 18, as is shown in FIG. 1.
  • FIGS. 3 to 12 show embodiments modified from the e-shape shown in FIG. 1.
  • Figures 3 and 4 show a pure fork contact, the portion 13 of the sleeve shell 12 is arranged exactly in the transverse axis 16, so that the contact slot 2 is parallel to the perpendicular axis 17, as shown in Fig. 3.
  • the insulation displacement contact according to FIG. 4 corresponds to that shown in FIG. 3 and is only bent or rolled in the opposite direction.
  • the insulation displacement contact shown in FIG. 5 corresponds to that of FIG. 1, the angle ⁇ being specified as 70 °.
  • the insulation displacement contact according to FIG. 6 corresponds to that of FIG. 5 and is only bent or rolled in the opposite direction.
  • the insulation displacement contacts shown in FIGS. 7 and 8 have an angle ⁇ of 45 °, at which the part 13 bent into the interior of the sleeve body 12 is bent relative to the axis 17 of the cable core 5.
  • the radial length of the section 13 corresponds to the inside diameter of the sleeve body 12.
  • the length of the section 13 'bent into the interior of the sleeve body 12 is longer than the inside diameter of the sleeve body 12, receptacles in the form of an opening 19 (FIG. 9) or in the form of a bulge 20 (FIG. 10) are provided for the lateral support of the radial section 13 '. In this, the radial section 13 'is supported laterally.
  • FIGS. 9 the length of the section 13 'bent into the interior of the sleeve body 12 is longer than the inside diameter of the sleeve body 12, receptacles in the form of an opening 19 (FIG. 9) or in the form of a bulge 20 (FIG. 10) are provided for the lateral support of the radial section 13 '. In this, the radial section 13 'is supported laterally.
  • the length of the radially inwardly curved section 13 in turn corresponds to the inside diameter of the sleeve body 12, with receptacles 18 again being provided for the section 13, which are designed in the form of inwardly curved tabs 21 which are cut out from the sleeve jacket 15 of the sleeve piece 12 in a U-shape.
  • the insulation displacement sleeve contact has an S shape in plan view, the portion 13 ′′ of the sleeve shell 12 ′′ that receives the contact slot 2 being the middle piece of the metal strip 1 ′′ of the sleeve shell 12 '' forms.
  • the jacket pieces 22, 23 of the sleeve body 12 ' which are arranged on both sides of the middle piece 13' 'and are integrally formed with the latter, are each semicircular and bent opposite to one another, so that these jacket pieces 22,23 form the actual sleeve body 12, which is traversed radially.
  • the center piece 13 ′′ lies at a large angle ⁇ to the axis 3, in which the cable core 5 runs.
  • the cutting point 4 is also diametrically opposite the clamping slot 3.

Landscapes

  • Manufacturing Of Electrical Connectors (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Cable Accessories (AREA)
  • Processing Of Terminals (AREA)
  • Insulating Bodies (AREA)
  • Clamps And Clips (AREA)
  • Multi-Conductor Connections (AREA)

Abstract

Die Erfindung bezieht sich auf einen Schneidklemm-Hülsenkontakt zum Kontaktieren einer Kabelader quer zur Hülsenachse, insbesondere für Kabeladern der Fernmeldetechnik, aus einem metallischen Hülsenmantel 12 mit einem Klemmschlitz 3 für die isolierte Kabelader 5 und mit einem Schneidklemm-Kontaktschlitz 2 im Inneren des Hülsenkörpers 12 zum abisolierfreien Anschließen der Kabelader 5.The invention relates to an insulation displacement contact for contacting a cable wire transverse to the sleeve axis, in particular for cable wires in telecommunications, from a metallic sleeve jacket 12 with a clamping slot 3 for the insulated cable wire 5 and with an insulation piercing contact slot 2 inside the sleeve body 12 for Stripping-free connection of the cable core 5.

Zur Verbesserung des Schneidklemmt-Hülsenkontaktes im Hinblick auf die Unabhängigkeit des Kontaktschlitzes 2 von Bewegungen am Klemmschlitz 3 und im Hinblick auf die Einhaltung genauer Toleranzen ist erfindungsgemäß vorgesehen, daß ein Teilstück 13 des Hülsenmantels 12 in das Innere des Hülsenkörpers 12 radial abgebogen und mit dem Schneidklemm-Kontaktschlitz 2 versehen ist und daß der dem Schneidklemm-Kontaktschlitz 2 gegenüberliegende Klemmschlitz 3 in den Hülsenmantel 15 eingeschnitten ist.

Figure imgaf001
To improve the insulation displacement sleeve contact with regard to the independence of the contact slot 2 from movements at the clamping slot 3 and with regard to compliance with precise tolerances, the invention provides that a portion 13 of the sleeve shell 12 is radially bent into the interior of the sleeve body 12 and with the insulation displacement -Contact slot 2 is provided and that the insulation displacement contact slot 2 opposite slot 3 is cut into the sleeve jacket 15.
Figure imgaf001

Description

Die Erfindung bezieht sich auf einen Schneidklem-Hülsenkontakt zum Kontaktieren einer Kabelader quer zur Hülsenachse, insbesondere für Kabeladern der Fernmeldetechnik, aus einem metallischen Hülsenmantel mit einem Klemmschlitz für die isolierte Kabelader und mit einem Schneidklemm-Kontaktschlitz im Inneren der Hülse zum abisolierfreien Anschließen der Kabelader und auf ein Verfahren zur Herstellung des Schneidklemm-Hülsenkontaktes.The invention relates to a insulation displacement sleeve contact for contacting a cable core transverse to the sleeve axis, in particular for cable cores in telecommunications, from a metallic sleeve jacket with a clamping slot for the insulated cable core and with an insulation displacement contact slot inside the sleeve for stripping-free connection of the cable core and to a method for producing the insulation displacement contact.

Ein Schneidklemm-Hülsenkontakt der gattungsgemäßen Art ist aus der DE 37 09 376 C1 vorbekannt. Bei diesem sind Mantelstücke aus dem metallischen Hülsenmantel freigeschnitten und zur Bildung des Schneidklemm-Kontaktschlitzes als Kontaktschenkel in das Innere der Hülse abgebogen. Der Klemmschlitz zum Halten der isolierten Kabelader wird hierbei durch die mit geringem Abstand befindlichen Endkanten des runden, ovalen oder mehreckigen Hülsenkörpers gebildet. Nachteilig hierbei ist, daß eine Aufweitung des Klemmschlitzes für die isolierte Kabelader auch eine Aufweitung des Schneidklemm-Kontaktschlitzes zum abisolierfreien Anschließen der Kabelader verursacht. Dies insbesondere dann, wenn die in das Innere der Hülse abgebogenen, den Schneidklemm-Kontaktschlitz bildenden Kontaktschenkel vom Bereich nahe dem Klemmschlitz nach innen gebogen sind, und ferner insbesondere dann, wenn Kabeladern mit relativ dicker Isolierhülle und kleinem Aderquerschnitt an den Hülsenkontakt angeschlossen werden, wobei die dicke Isolierhülle den Klemmschlitz relativ groß aufweitet, woraus eine entsprechende Aufweitung des Schneidklemm-Kontaktschlitzes folgt, der dann möglicherweise die dünne Ader nicht mehr kontaktieren kann.An insulation displacement contact of the generic type is previously known from DE 37 09 376 C1. In this case, jacket pieces are cut out of the metallic sleeve jacket and bent into the interior of the sleeve as a contact leg to form the insulation displacement contact slot. The clamping slot for holding the insulated cable core is through the end edges of the round, oval or polygonal sleeve body formed at a short distance. The disadvantage here is that widening the clamping slot for the insulated cable wire also causes widening of the insulation displacement contact slot for stripping-free connection of the cable wire. This is particularly the case when the contact legs bent into the interior of the sleeve, which form the insulation displacement contact slot, are bent inwards from the region near the clamping slot, and also particularly when cable cores with a relatively thick insulating sleeve and small wire cross section are connected to the sleeve contact, whereby the thick insulating sleeve expands the clamping slot relatively large, which results in a corresponding widening of the insulation displacement contact slot, which may then no longer be able to contact the thin wire.

Ferner hat es sich gezeigt, daß der vorbekannte Schneidklemm-Hülsenkontakt beim Biegen der Kontaktschenkel zueinander und somit beim Ausbilden der Schlitzweite des Schneidklemm-Kontaktschlitzes relativ große Toleranzen der Schlitzweiten von Hülsenkontakt zu Hülsenkontakt aufwies, so daß ein Herstellen des Kontaktschlitzes mit annehmbaren Toleranzen praktisch unmöglich ist.Furthermore, it has been shown that the known insulation displacement contact when bending the contact legs to one another and thus when forming the slot width of the insulation displacement contact slot had relatively large tolerances of the slot widths from sleeve contact to sleeve contact, so that it is practically impossible to produce the contact slot with acceptable tolerances .

Der Erfindung liegt von daher die Aufgabe zugrunde, einen Schneidklemm-Hülsenkontakt der gattungsgemäßen Art dahingehend zu verbessern, daß eine Beeinflussung des Schneidklemm - Kontaktschlitzes von einer Aufweitung des Klemmschlitzes verhindert ist und daß das Herstellen des Kontaktschlitzes mit engen Toleranzen möglich ist.The invention is therefore based on the object to improve an insulation displacement contact of the generic type in such a way that an influence on the insulation displacement contact slot is prevented by widening of the clamping slot and that the production of the contact slot with narrow tolerances is possible.

Zur Lösung dieser Aufgabe sieht die Erfindung vor, daß ein Teilstück des Hülsenmantels radial in das Innere der Hülse abgebogen und mit dem Schneidklemm-Kontaktschlitz versehen ist und daß der dem Schneidklemm-Kontaktschlitz gegenüberliegende Klemmschlitz in den Hülsenmantel eingeschnitten ist. Hierdurch sind sowohl der Schneidklemm-Kontaktschlitz als auch der Klemmschlitz jeweils durch Einschnitte in dem Hülsenmantel gebildet, wodurch genaue Toleranzen bei der Ausbildung von Klemmschlitz und Schneidklemm-Kontaktschlitz eingehalten werden können. Außerdem befindet sich der SchneidklemmKontaktschlitz auf einem Teilstück des Hülsenmantels, der unbeeinflußt von einer möglichen Aufweitung des Klemmschlitzes ist.To achieve this object, the invention provides that a portion of the sleeve shell is bent radially into the interior of the sleeve and is provided with the insulation displacement contact slot and that the clamping slot opposite the insulation displacement contact slot is cut into the sleeve jacket. As a result, both the insulation displacement contact slot and the clamping slot are each formed by incisions in the sleeve jacket, as a result of which exact tolerances in the formation of the clamping slot and insulation displacement contact slot can be maintained. In addition, the insulation displacement contact slot is located on a section of the sleeve shell which is unaffected by a possible widening of the clamping slot.

In bevorzugter Weise wird der Schneidklemm-Hülsenkontakt aus einem Metallstreifen gebildet, in den vor dem Biegen zum Hülsenkontakt der Klemmschlitz und der Kontaktschlitz eingeschnitten sind, insbesondere durch Stanzen. Dabei kann gleichzeitig eine Schneidstelle mit scharfer Kante ausgestanzt werden. Erst in einem zweiten Arbeitsgang wird die endgültige Hülsenform des Schneidklemm-Hülsenkontaktes durch Biegen und Zusammenrollen erstellt. Dabei kann das den Schneidklemm-Kontaktschlitz aufnehmende Teilstück des Hülsenmantels in einer e-förmigen Ausführungsform als Endstück des Hülsenmantels ausgebildet und radial in das Innere der Hülse hineingebogen werden. In einer anderen Ausführungsform bildet das den Schneidklemm-Kontaktschlitz aufnehmende Teilstück ein Mittelstück des Hülsenmantels, dessen den Klemmschlitz und auch die Schneidstelle aufnehmende an das mittlere Teilstück anschliessenden Endstücke halbkreisförmig und entgegengesetzt gerichtet vom geraden Mittelstück weggebogen sind.Preferably, the insulation displacement sleeve contact is formed from a metal strip into which the clamping slot and the contact slot are cut before bending to the sleeve contact, in particular by stamping. A cutting point with a sharp edge can be punched out at the same time. Only in a second step is the final sleeve shape of the insulation displacement contact made by bending and rolling up. In this case, the section of the sleeve casing which receives the insulation displacement contact slot can be formed in an e-shaped embodiment as the end piece of the sleeve casing and can be bent radially into the interior of the sleeve. In another embodiment, the section receiving the insulation displacement contact slot forms a middle piece of the sleeve shell, the end pieces of the sleeve connecting the clamping slot and also the cutting point, which are connected to the middle section, are bent semicircularly and in opposite directions from the straight middle piece.

Weitere vorteilhafte Ausgestaltungen des erfindungsgemäßen Schneidklemm-Hülsenkontaktes ergeben sich aus den Unteransprüchen. Der Schneidklemm-Hülsenkontakt kann alleinstehend auf eine Leiterplatte montiert oder in einer Beschaltungsleiste zusammen mit einem Kontakt gleicher Bauart oder mit ganz anderen als Anschluß-oder Trennkonfigurationen eingesetzt werden. Die Kabeladern werden mittels einer Druckbewegung gleichzeitig im Klemmschlitz geklemmt, im Schneidklemm-Kontaktschlitz kontaktiert und an der scharfen Schneidstelle abgeschnitten. Die Beschaltung kann mit einem Werkzeug oder durch Schließen eines Gehäusedeckels eines Gehäuses erfolgen, in welches der Schneidklemm-Hülsenkontakt eingesetzt ist. Dieser kann auch als Rund-Rohrkontakt bezeichnet werden. Der Hülsenkontakt ist selbsttragend und benötigt kein Gehäuse zum Abstützen oder zum Klemmen der Kabeladern und kann z.B. direkt auf einer Leiterplatte montiert werden. Der Klemmschlitz des Hülsenkontaktes ermöglicht eine sichere Klemmung der Kabelader, ohne daß sich Bewegungen der Kabelader auf den Schneidklemm-Kontaktschlitz auswirken bzw. auf diesen übertragen werden. Die anzuschaltenden Kabeladern müssen nicht vorher auf eine bestimmte Länge abgeschnitten werden, sodern werden direkt am Hülsenkontakt mit Hilfe eines einfachen Beschaltungswerkzeuges ohne bewegliche Teile beim Beschalten an der scharfen Schneidstelle abgetrennt. Der Hülsenkontakt ermöglicht eine sichere Kontaktierung von Cu-Drähten zwischen 0,32 mm und 0,80 mm Durchmesser, was abhängig vom Durchmesser des Hülsenkontaktes ist. Auch ist ein Kontaktieren von Litzenleitern möglich. Die Stellung des Kontaktschlitzes gegenüber der Kabelader kann eine Gabel-oder Winkel-Stellung mit Kontaktwinkeln zwischen 45 und 90° sein.Further advantageous embodiments of the insulation displacement contact according to the invention result from the subclaims. The insulation displacement contact can be mounted alone on a printed circuit board or used in a wiring strip together with a contact of the same type or with completely different ones as connection or disconnection configurations will. The cable wires are simultaneously clamped in the clamping slot by means of a pressure movement, contacted in the insulation displacement contact slot and cut off at the sharp cutting point. The wiring can be done with a tool or by closing a housing cover of a housing in which the insulation displacement contact is inserted. This can also be called a round pipe contact. The sleeve contact is self-supporting and does not require a housing to support or clamp the cable wires and can, for example, be mounted directly on a circuit board. The clamping slot of the sleeve contact enables the cable core to be securely clamped without movements of the cable core having an effect on, or being transmitted to, the insulation displacement contact slot. The cable wires to be connected do not have to be cut to a certain length beforehand, but are cut off directly at the sleeve contact using a simple wiring tool without moving parts when wiring at the sharp cutting point. The sleeve contact enables reliable contacting of copper wires between 0.32 mm and 0.80 mm in diameter, which depends on the diameter of the sleeve contact. It is also possible to contact stranded wires. The position of the contact slot in relation to the cable core can be a forked or angular position with contact angles between 45 and 90 °.

Die Erfindung ist nachfolgend anhand mehrerer Ausführungsformen näher erläutert. Es zeigen:

Fig. 1
Eine Draufsicht auf einen e-förmigen Schneidklemm-Hülsenkontakt in der ersten Ausführungsform,
Fig. 2
die Abwicklung des den Hülsenmantel bildenden Metallstreifens des Schneidklemme-Hülsenkontaktes mit eingestanztem Kontaktschlitz, eingestanzter Schneidstelle und eingestanzter Klemmstelle,
Fig. 3 bis 12
verschiedene Ausführungsformen des e-förmigen Hülsenkontaktes und
Fig. 13 und 14
zwei Ausführungsformen eines S-förmigen Hülsenkontaktes.
The invention is explained in more detail below with the aid of several embodiments. Show it:
Fig. 1
A top view of an e-shaped insulation displacement contact in the first embodiment,
Fig. 2
the development of the metal strip forming the sleeve jacket of the insulation displacement contact with the stamped contact slot, stamped Cutting point and stamped clamping point,
3 to 12
different embodiments of the e-shaped sleeve contact and
13 and 14
two embodiments of an S-shaped sleeve contact.

Der Schneidklemm-Hülsenkontakt besteht in der ersten Ausführungsform gemäß den Figuren 1 und 2 aus einen flachen Metallstreifen 1 eines elektrisch leitfähigen Materiales, in den gemäß Fig. 2 links ein Kontaktschlitz 2 und rechts ein Klemmschlitz 3 und in der Mitte eine Schneidstelle 4 durch Stanzen in einem Arbeitsgang eingebracht sind. Der Kontaktschlitz 2 hat eine bestimmte Weite W, die vom Kerndurchmesser der anzuschließenden Kabeladern 5 abhängig ist, und ist mit einem V-förmigen Eingangsbereich 6 versehen. Die Klemmstelle besteht aus einem Klemmschlitz 3 der Weite Z, die regelmäßig größer ist als die Weite W des Kontaktschlitzes 2, und ist ebenfalls mit einem V-förmigen Eingangsbereich 7 versehen. Zur Ausbildung elastischer Federlappen 8 zu beiden Seiten des Klemmschlitzes 3 ist ein U-förmiger Freischnitt 9 in dem Metallstreifen 1 eingestanzt, dessen Basis 10 sich am inneren Ende des Klemmschlitzes 3 mit diesem rechtwinklig kreuzt und dessen Schenkel 11 sich parallel zum Klemmschlitz 3 in Richtung auf dessen Eingangsbereich 7 erstrecken, wie es in Fig. 2 dargestellt ist.The insulation displacement contact in the first embodiment according to FIGS. 1 and 2 consists of a flat metal strip 1 of an electrically conductive material, in which, according to FIG. 2, a contact slot 2 on the left and a clamping slot 3 on the right and a cutting point 4 in the middle by punching are introduced in one operation. The contact slot 2 has a certain width W, which depends on the core diameter of the cable wires 5 to be connected, and is provided with a V-shaped input area 6. The clamping point consists of a clamping slot 3 of width Z, which is regularly larger than the width W of the contact slot 2, and is also provided with a V-shaped input area 7. To form elastic spring tabs 8 on both sides of the clamping slot 3, a U-shaped free cut 9 is punched into the metal strip 1, the base 10 of which intersects at right angles at the inner end of the clamping slot 3 and its leg 11 parallel to the clamping slot 3 in the direction of whose input area 7 extend, as shown in Fig. 2.

Wie es die Fig. 1 zeigt, ist der Metallstreifen 1 nach dem Stanzvorgang gemäß Fig. 2 zu einem im Querschnitt runden Hülsenkörper 12 gebogen bzw. zusammengerollt, wobei ein Teilstück 13, das in Fig. 2 durch die gestrichelte Linie 14 vom übrigen Hülsenmantel 15 abgeteilt ist, radial in das Innere des Hülsenkörpers 12 gebogen ist, wie es in Fig. 1 dargestellt ist. Dabei liegt der Kontaktschlitz 2 im Zentrum des Hülsenkörpers 12 und ist unter einem Winkel α zur Querachse 16 des Hülsenkörpers 12 ausgerichtet. In der hierzu senkrechten Achse 17 des Hülsenkörpers 12 sind der Klemmschlitz 3 und diesen gegenüberliegend die Schneidstelle 4 angeordnet, wie es in Fig. 1 dargestellt ist. Diese Ausführungsform der Schneidklemm-Hülsenkontaktes bildet eine e-Form mit einem unter dem Winkel α schräg zur Achse 17 der anzuschließenden Kabelader 5 ausgerichteten Schneidklemm-Kontaktschlitz 2, wobei die Kabelader 5 in der Richtung der Achse 17 liegt (Fig. 1). Das den Kontaktschlitz 2 aufnehmende Teilstück 13 ist bei dieser Ausführungsform am freien Ende 18 nicht mit dem Hülsenmantel 12 verbunden, wie es in Fig. 1 dargestellt ist.As shown in FIG. 1, after the punching process according to FIG. 2, the metal strip 1 is bent or rolled into a sleeve body 12 which is round in cross section, a portion 13, which in FIG. 2 is shown by the dashed line 14 from the remaining sleeve jacket 15 is divided, is bent radially into the interior of the sleeve body 12, as shown in Fig. 1 is. The contact slot 2 lies in the center of the sleeve body 12 and is oriented at an angle α to the transverse axis 16 of the sleeve body 12. In the perpendicular axis 17 of the sleeve body 12, the clamping slot 3 and the cutting point 4 are arranged opposite this, as shown in Fig. 1. This embodiment of the insulation displacement contact forms an e-shape with an insulation displacement contact slot 2 oriented at an angle α obliquely to the axis 17 of the cable wire 5 to be connected, the cable wire 5 lying in the direction of the axis 17 (FIG. 1). In this embodiment, the section 13 receiving the contact slot 2 is not connected to the sleeve jacket 12 at the free end 18, as is shown in FIG. 1.

Die Figuren 3 bis 12 zeigen von der in Fig. 1 dargestellten e-Form abgewandelte Ausführungsformen. So zeigen die Figuren 3 und 4 einen reinen Gabelkontakt, dessen Teilstück 13 des Hülsenmantels 12 genau in der Querachse 16 angeordnet ist, so daß der Kontaktschlitz 2 parallel mit der hierzu senkrechten Achse 17 liegt, wie es in Fig. 3 dargestellt ist. Der Schneidklemm-Hülsenkontakt gemäß Fig. 4 entspricht dem in Fig. 3 dargestellten und ist nur entgegengesetzt gebogen bzw. zusammengerollt.FIGS. 3 to 12 show embodiments modified from the e-shape shown in FIG. 1. Figures 3 and 4 show a pure fork contact, the portion 13 of the sleeve shell 12 is arranged exactly in the transverse axis 16, so that the contact slot 2 is parallel to the perpendicular axis 17, as shown in Fig. 3. The insulation displacement contact according to FIG. 4 corresponds to that shown in FIG. 3 and is only bent or rolled in the opposite direction.

Der in Fig. 5 dargestellt Schneidklemm-Hülsenkontakt entspricht demjenigen von Fig. 1, wobei der Winkel α mit 70° angegeben ist. Der Schneidklemm-Hülsenkontakt gemäß Fig. 6 entspricht demjenigen von Fig. 5 und ist nur entgegengesetzt gebogen bzw. zusammengerollt.The insulation displacement contact shown in FIG. 5 corresponds to that of FIG. 1, the angle α being specified as 70 °. The insulation displacement contact according to FIG. 6 corresponds to that of FIG. 5 and is only bent or rolled in the opposite direction.

Die in den Figuren 7 und 8 dargestellten Schneidklemm-Kontakte haben einen Winkel α von 45°, unter welchem das in das Innere des Hülsenkörpers 12 hineingebogene Teilstück 13 gegenüber der Achse 17 der Kabelader 5 hineingebogen ist.The insulation displacement contacts shown in FIGS. 7 and 8 have an angle α of 45 °, at which the part 13 bent into the interior of the sleeve body 12 is bent relative to the axis 17 of the cable core 5.

Bei den bisher dargestellten Schneidklemm-Hülsenkontakten entspricht die radiale Länge des Teilstückes 13 dem Innendurchmesser des Hülsenkörpers 12. Bei den in den Figuren 9 und 10 dargestellten Ausführungsformen ist die Länge des in das Innere des Hülsenkörpers 12 hineingebogenen Teilstückes 13' länger als der Innendurchmesser des Hülsenkörpers 12, wobei zur seitlichen Abstützung des radialen Teilstückes 13' Aufnahmen in Form einer Öffnung 19 (Fig.9) oder in Form einer Ausbauchung 20 (Fig. 10) vorgesehen sind. In diesem wird das radiale Teilstück 13' seitlich abgestützt. In den Ausführungsformen gemäß den Figuren 11 und 12 entspricht die Länge des radial nach innen gebogenen Teilstückes 13 wiederum dem Innendurchmesser des Hülsenkörpers 12, wobei wiederum Aufnahmen 18 für das Teilstück 13 vorgesehen sind, die in Form von nach innen gebogenen Lappen 21 ausgebildet sind, die aus dem Hülsenmantel 15 des Hülsenstückes 12 U-Förmig freigeschnitten sind.In the insulation displacement sleeve contacts shown so far, the radial length of the section 13 corresponds to the inside diameter of the sleeve body 12. In the embodiments shown in FIGS. 9 and 10, the length of the section 13 'bent into the interior of the sleeve body 12 is longer than the inside diameter of the sleeve body 12, receptacles in the form of an opening 19 (FIG. 9) or in the form of a bulge 20 (FIG. 10) are provided for the lateral support of the radial section 13 '. In this, the radial section 13 'is supported laterally. In the embodiments according to FIGS. 11 and 12, the length of the radially inwardly curved section 13 in turn corresponds to the inside diameter of the sleeve body 12, with receptacles 18 again being provided for the section 13, which are designed in the form of inwardly curved tabs 21 which are cut out from the sleeve jacket 15 of the sleeve piece 12 in a U-shape.

In der Ausführungsform gemäß den Figuren 13 und 14 hat der Schneidklemm-Hülsenkontakt in der Draufsicht eine S-Form, wobei das Teilstück 13'' des Hülsenmantels 12'', das den Kontaktschlitz 2 aufnimmt, das Mittelstück des Metallstreifens 1'' des Hülsenmantels 12'' bildet. Die zu beiden Seiten des Mittelstückes 13'' angeordneten und mit diesem einstückig ausgebildeten Mantelstücke 22,23 des Hülsenkörpers 12' sind jeweils halbkreisförmig und entgegengesetzt zueinander gebogen, so daß diese Mantelstücke 22,23 den eigentlichen Hülsenkörper 12 bilden, der vom Mittelstück 13'' radial durchquert wird. Hierbei liegt das Mittelstück 13'' unter einem großen Winkel α zur Achse 3, in der die Kabelader 5 verläuft. Die Schneidstelle 4 liegt auch hierbei diametral gegenüber dem Klemmschlitz 3.In the embodiment according to FIGS. 13 and 14, the insulation displacement sleeve contact has an S shape in plan view, the portion 13 ″ of the sleeve shell 12 ″ that receives the contact slot 2 being the middle piece of the metal strip 1 ″ of the sleeve shell 12 '' forms. The jacket pieces 22, 23 of the sleeve body 12 ', which are arranged on both sides of the middle piece 13' 'and are integrally formed with the latter, are each semicircular and bent opposite to one another, so that these jacket pieces 22,23 form the actual sleeve body 12, which is traversed radially. Here, the center piece 13 ″ lies at a large angle α to the axis 3, in which the cable core 5 runs. The cutting point 4 is also diametrically opposite the clamping slot 3.

Claims (10)

Schneidklemm-Hülsenkontakt zum Kontaktieren einer Kabelader quer zur Achse, insbesondere für Kabeladern der Fernmeldetechnik, aus einem metallischen Hülsenmantel mit einem Klemmschlitz für die isolierte Kabelader und mit einem Schneidklemm-Kontaktschlitz im Inneren des Hülsenkörpers zum abisolierfreien Anschließen der Kabelader,

dadurch gekennzeichnet,

daß ein Teilstück (13, 13', 13'') des Hülsenmantels (15) in das Innere des Hülsenkörpers (12,12',12'') radial abgebogen und mit dem Schneidklemm-Kontaktschlitz (2) versehen ist und daß der dem Schneidklemm-Kontaktschlitz (2) gegenüberliegende Klemmschlitz (3) in den Hülsenmantel (12) eingeschnitten ist.Insulation displacement sleeve contact for contacting a cable wire transverse to the axis, in particular for cable wires in telecommunications, made of a metal sleeve jacket with a clamping slot for the insulated cable wire and with an insulation displacement contact slot in the interior of the sleeve body for stripping-free connection of the cable wire,

characterized,

that a section (13, 13 ', 13'') of the sleeve shell (15) in the interior of the sleeve body (12, 12', 12 '') is radially bent and provided with the insulation displacement contact slot (2) and that the Insulation displacement contact slot (2) opposite slot (3) is cut into the sleeve shell (12). Schneidklemm-Hülsenkontakt nach Anspruch 1, dadurch gekennzeichnet, daß das Teilstück (13) ein Endstück des Hülsenmantels (15) ist und daß der Hülsenmantel (15) zu einem e-förmigen Hülsenkörper (12,12') gebogen ist.Insulation displacement sleeve contact according to Claim 1, characterized in that the section (13) is an end piece of the sleeve shell (15) and in that the sleeve shell (15) is bent into an e-shaped sleeve body (12, 12 '). Schneidklemm-Hülsenkontakt nach Anspruch 1, dadurch gekennzeichnet, daß das Teilstück (13'') ein Mittelstück des Hülsenmantels (15) bildet und daß der Hülsenmantel (15) zu einem S-förmigen Hülsenkörper (12'') gebogen ist.Insulation displacement sleeve contact according to claim 1, characterized in that the section (13 '') forms a central piece of the sleeve shell (15) and that the sleeve shell (15) is bent into an S-shaped sleeve body (12 ''). Schneidklemm-Hülsenkontakt nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die radiale Länge des Teilstückes (13,13,13'') gleich dem Innendurchmesser des Hülsenkörpers (12,12',12'') ist.Insulation displacement sleeve contact according to one of Claims 1 to 3, characterized in that the radial length of the section (13, 13, 13 '') is equal to the inside diameter of the sleeve body (12, 12 ', 12' '). Schneidklemm-Hülsenkontakt nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die radiale Länge des Teilstückes (13') des Hülsenmantels 15) größer als der Innendurchmesser des Hülsenkörpers (12,12',12'') ist und in einer Aufnahme (18) im Hülsenmantel (12) abgestützt ist.Insulation displacement sleeve contact according to one of Claims 1 to 3, characterized in that the radial length of the section (13 ') of the sleeve shell 15) is greater than the inside diameter of the sleeve body (12, 12', 12 '') and in a receptacle ( 18) is supported in the sleeve jacket (12). Schneidklemm-Hülsenkontakt nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die radiale Länge des Teilstückes (13') des Hülsenmantels (15) gleich dem Innendurchmesser des Hülsenkörpers (12,12',12'') ist und daß das Teilstück (13) an einem freigeschnittenen, nach innen gebogenen Lappen (21) des Hülsenmantels (12') abgestützt ist.Insulation displacement sleeve contact according to one of Claims 1 to 3, characterized in that the radial length of the section (13 ') of the sleeve casing (15) is equal to the inside diameter of the sleeve body (12, 12', 12 '') and that the section ( 13) is supported on a cut-out, inwardly bent tab (21) of the sleeve shell (12 '). Schneidklemm-Hülsenkontakt nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, daß der Hülsenmantel (12) zu einem S-förmigen Hülsenkörper (12'') gebogen ist und daß das mittlere Teilstück (13'') gerade ausgebildet ist und das radiale Teilstück zur Aufnahme des Schneidklemm-Kontaktschlitzes (2) bildet und daß die beiden daran anschließenden Mantelstücke 22,23) den gebogenen Hülsenmantel (12'') bilden.Insulation displacement sleeve contact according to one of the preceding claims, characterized in that the sleeve casing (12) is bent to form an S-shaped sleeve body (12 '') and that the middle section (13 '') is straight and the radial section is for receiving of the insulation displacement contact slot (2) and that the two adjoining jacket pieces 22, 23) form the curved sleeve jacket (12 ''). Schneidklemm-Hülsenkontakt nach einem der vorangegangenen Ansprüche, daß der dem Klemmschlitz (3) gegenüberliegende Bereich des Hülsenmantels (12) eine geschärfte Schneidstelle (4) zum Ablängen der Kabelader (5) bildet.Insulation displacement sleeve contact according to one of the preceding claims, that the area of the sleeve jacket (12) opposite the clamping slot (3) forms a sharpened cutting point (4) for cutting the cable core (5) to length. Schneidklemm-Hülsenkontakt nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, daß der Klemmschlitz ( 3 ) von einem Freischnitt (9) in umgedrehter U-Form umgeben ist, dessen Basis (10) den Klemmschlitz (3) senkrecht schneidet und dessen Schenkel (11) parallel zum Klemmschlitz (3) in Richtung auf dessen Eingangsbereicht (7) gerichtet sind.Insulation displacement sleeve contact according to one of the preceding claims, characterized in that the clamping slot (3) is surrounded by a free cut (9) in an inverted U-shape whose base (10) intersects the clamping slot (3) vertically and whose legs (11) are directed parallel to the clamping slot (3) in the direction of its entrance area (7). Verfahren zur Herstellung eines Schneidklemm-Hülsenkontaktes nach einem der Ansprüche 1 bis 12 aus einem Metallstreifen, dadurch gekennzeichnet, daß in dem Metallstreifen (1) der Schneidklemm-Kontaktschlitz ( 2 ) und der Klemmschlitz (3) eingeschnitten, insbesondere eingestanzt, werden und daß der Metallstreifen (1) in e- oder S-Form zu einem Hülsenkörper (12,12',12'') gebogen wird, wobei das den Schneidklemm-Kontaktschlitz (2) aufnehmende Teilstück (13,13',13'') radial im Innern des Hülsenkörpers (12) angeordnet ist.A process for producing an insulation displacement contact according to one of claims 1 to 12 from a metal strip, characterized in that the insulation displacement contact slot (2) and the clamping slot (3) are cut, in particular punched, in the metal strip (1) and that Metal strip (1) in e- or S-shape is bent into a sleeve body (12, 12 ', 12' '), the portion (13, 13', 13 '') receiving the insulation displacement contact slot (2) being radially in Is arranged inside the sleeve body (12).
EP92111972A 1991-09-13 1992-07-14 Cutting clamp sleeve contact Expired - Lifetime EP0531664B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4130940 1991-09-13
DE4130940A DE4130940C1 (en) 1991-09-13 1991-09-13

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EP0531664A2 true EP0531664A2 (en) 1993-03-17
EP0531664A3 EP0531664A3 (en) 1993-03-31
EP0531664B1 EP0531664B1 (en) 1996-01-31

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US (1) US5299953A (en)
EP (1) EP0531664B1 (en)
JP (1) JP2543294B2 (en)
KR (1) KR930007009A (en)
CN (1) CN1035969C (en)
AR (1) AR245847A1 (en)
AT (1) ATE133816T1 (en)
AU (1) AU656606B2 (en)
BG (1) BG61088B1 (en)
BR (1) BR9203544A (en)
CA (1) CA2077408A1 (en)
CU (1) CU22182A3 (en)
DE (2) DE4130940C1 (en)
DK (1) DK0531664T3 (en)
EC (1) ECSP920865A (en)
EG (1) EG19815A (en)
ES (1) ES2082287T3 (en)
FI (1) FI923302A (en)
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IE (1) IE922569A1 (en)
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RU (1) RU2076408C1 (en)
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ZA (1) ZA925683B (en)

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DE19632273A1 (en) * 1996-08-09 1998-02-12 Helge Zwosta Body sensors

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DE19610610A1 (en) * 1996-03-18 1997-09-25 Whitaker Corp Arrangement for connecting electrical conductor to insulation piercing contact
US20070254521A1 (en) * 2006-04-28 2007-11-01 D Agostini Roberto Insulation displacement terminal

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US3845455A (en) * 1973-10-12 1974-10-29 Amp Inc Tubular conductor-in-slot connecting device
GB2112216A (en) * 1981-12-16 1983-07-13 Plessey Co Plc Electrical connectors for use telecommunications equipment
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DE8627685U1 (en) * 1985-10-18 1986-11-27 Amp Inc., Harrisburg, Pa. Electrical connector

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EP0531664B1 (en) 1996-01-31
HK76196A (en) 1996-05-10
CN1035969C (en) 1997-09-24
YU48159B (en) 1997-05-28
ES2082287T3 (en) 1996-03-16
NZ243748A (en) 1994-10-26
KR930007009A (en) 1993-04-22
AU2077292A (en) 1993-03-18
TR28434A (en) 1996-07-01
JP2543294B2 (en) 1996-10-16
DE59205220D1 (en) 1996-03-14
DK0531664T3 (en) 1996-02-26
GR3018978T3 (en) 1996-05-31
MY108316A (en) 1996-09-30
AU656606B2 (en) 1995-02-09
MX9205194A (en) 1993-05-01
CA2077408A1 (en) 1993-03-14
IL102690A (en) 1996-01-19
CN1070516A (en) 1993-03-31
HU208765B (en) 1993-12-28
BG96860A (en) 1994-03-24
ZA925683B (en) 1993-04-28
IE922569A1 (en) 1993-03-24
FI923302A (en) 1993-03-14
UY23455A1 (en) 1992-10-08
AR245847A1 (en) 1994-02-28
BG61088B1 (en) 1996-10-31
YU81492A (en) 1995-12-04
DE4130940C1 (en) 1992-07-16
BR9203544A (en) 1993-04-13
IL102690A0 (en) 1993-01-14
JPH05205787A (en) 1993-08-13
ATE133816T1 (en) 1996-02-15
US5299953A (en) 1994-04-05
CU22182A3 (en) 1994-01-31
HUT62119A (en) 1993-03-29
NO923184L (en) 1993-03-15
RU2076408C1 (en) 1997-03-27
EP0531664A3 (en) 1993-03-31
NO923184D0 (en) 1992-08-14
TW212151B (en) 1993-09-01
FI923302A0 (en) 1992-07-20
ECSP920865A (en) 1994-01-21
EG19815A (en) 1996-05-31

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