EP0283427A2 - Cutting clamp sleeve contact - Google Patents

Cutting clamp sleeve contact Download PDF

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Publication number
EP0283427A2
EP0283427A2 EP88730042A EP88730042A EP0283427A2 EP 0283427 A2 EP0283427 A2 EP 0283427A2 EP 88730042 A EP88730042 A EP 88730042A EP 88730042 A EP88730042 A EP 88730042A EP 0283427 A2 EP0283427 A2 EP 0283427A2
Authority
EP
European Patent Office
Prior art keywords
contact
sleeve
insulation displacement
slot
legs
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
EP88730042A
Other languages
German (de)
French (fr)
Other versions
EP0283427B1 (en
EP0283427A3 (en
Inventor
Dieter Gerke
Manfred Müller
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
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 Krone GmbH filed Critical Krone GmbH
Publication of EP0283427A2 publication Critical patent/EP0283427A2/en
Publication of EP0283427A3 publication Critical patent/EP0283427A3/en
Application granted granted Critical
Publication of EP0283427B1 publication Critical patent/EP0283427B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • 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

Definitions

  • 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, with at least one clamping slot on the circumference of the sleeve and with an insulation displacement contact inside the sleeve.
  • An insulation displacement contact of the generic type is previously known from DE-OS 32 36 867.
  • This insulation displacement contact consists of a sleeve made of plastic, on the circumference of which two clamping slots are provided with a locking point and a metallic insulation displacement contact with a contact slot. So it is in two parts.
  • the insulation displacement contact When an insulated wire is pressed into the contact slot, the opposite sharp edges of the contact slot first cut through the wire insulation and then penetrate into the conductive core of the wire.
  • insulated wires can be screwed, can be connected without soldering or stripping.
  • the insulation displacement contact can be installed free-standing on a surface or in a housing. Only cable cores with a certain diameter can be connected to this sleeve contact, since the cable diameter to be connected depends on the slot width of the contact slot and the clamping slot.
  • the object of the invention is therefore to create an insulation displacement contact of the generic type, with which cable cores with different diameters and stranded conductors can be contacted and which is formed in one piece.
  • jacket pieces are cut free from the jacket of the sleeves formed from metallic material and bent to form the insulation displacement contact as a contact leg into the interior of the sleeve.
  • the insulation displacement contact has a contact slot with adaptable contact forces that can be adapted to different cable diameters.
  • the clamping slot also keeps the mechanical loads on the insulation displacement contact away from the contact slot. Additional clamping ribs outside of the sleeve contact are not necessary.
  • the sleeve cross section can have any shape. With a square cross-section, the sleeve can thus be mounted, for example, in a plastic housing, so that it cannot twist.
  • a high degree of contact reliability is achieved if the contact legs are arranged at an angle of approximately 45 ° to the cable core axis, so that the sharp edges of the contact slot formed by the contact legs penetrate into the conductive core of the cable core at two diagonally opposite locations.
  • the contact legs are designed as jacket elbows, so that a surface contact occurs.
  • This surface contact offers the possibility of connecting the stranded conductor to the insulation displacement contact without damaging or cutting through the individual wires of the stranded conductor.
  • FIGS. 1 to 6 show the first embodiment of the insulation displacement contact.
  • the sleeve 1 of the insulation displacement contact has a round cross section, in the jacket 33 of which there is an axial clamping slot 5, which extends axially over the entire jacket length of the sleeve 1, and a short separating slot 12 opposite the clamping slot 5 with a knife-like slot base 13.
  • insertion bevels 16 and 17 are provided.
  • the jacket 33 of the insulation displacement contact made of a metallic material is punched out of a sheet metal part and then bent into the desired shape.
  • rectangular jacket pieces 2, 3 are cut out in the middle region of the sleeve during the punching process.
  • the jacket pieces 2, 3 are cut out by means of U-shaped incisions 35 on two narrow sides 29 and on one long side 30.
  • the other long sides 30 of the jacket pieces 2, 3 form bending edges 31 around which the jacket pieces 2, 3 are bent into the interior of the sleeve 1 to form the insulation displacement contact 4 as contact legs 6, 7.
  • the contact legs 6, 7 are bent at opposite points, so that a contact slot 8 is formed between the side walls 14, 15 of the contact legs 6, 7, which are aligned.
  • the contact legs 6, 7 form an angle ⁇ of approximately 45 ° to the plane 34 of the clamping slot 5.
  • a cable core 18 is inserted through the clamping slot 5 and the separating slot 12 between the insertion bevels 16, 17, through which the cable core 18 is inserted centrally into the slots 5, 12.
  • the cable core axis of the cable core 18 lies exactly on the level 34.
  • the cable core 18 is now pressed down by means of a tool (not shown), the clamping slot 5 for holding the cable insulation 22 corresponding to that The diameter of the cable core 18 springs open.
  • the two contact legs 6, 7 also spring open and thus enlarge the slot width of the contact slot 8 in accordance with the cable wire diameter to be connected.
  • the two contact legs 6, 7 can also form additional angles to the plane 34 of the clamping slot 5 and the contact slot 8. Such exemplary embodiments are shown in FIGS. 7 to 9.
  • FIG. 7 shows a sleeve 1 in which the contact legs 6, 7 form an angle of approximately 90 ° to the plane 34 of the clamping slot 5. In this way, a fork contact 36 is formed.
  • the contact legs 6, 7 form an angle ⁇ of 45 ° to the plane 34 of the clamping slot 8 and in Figure 9 also one Angle of 45 °, so that this creates triangular contacts 37, the contact legs 6, 7 away from the clamping slot 5 or directed towards them.
  • the triangular contact 37 according to FIG.
  • an insulation displacement contact with a surface contact 9 is shown, which is used in particular for connecting stranded conductors 23 (FIG. 13).
  • the development of this insulation displacement sleeve contact is shown in FIG. 14.
  • two upper and two lower slots 24, 25 running parallel to one another and at a distance from one another are punched out of a sheet metal, with cutting tips 26 being provided in the center in the upper slots 24.
  • the cutting tips 26 When the stranded conductor 23 is pressed into the sleeve contact, the cutting tips 26 first cut through the insulation of the stranded conductor 23 until the slot walls 27 with the conductive individual wires 32 of the stranded conductor 23 are under pressure Come into contact and establish an electrical connection between the insulation displacement contact and the stranded conductor 23.
  • the stranded conductor 23 is thus connected without damaging or severing the individual wires 32.
  • the contact slot 8 springs up according to the diameter of the stranded conductor 23, so that stranded conductors 23 with different cable diameters can be connected.
  • the cutting tips can be offset from one another, so that the V-shaped contact legs 6, 7 have different leg lengths.
  • extensions 28 are attached at the bottom of the jacket 33, via which an insulation displacement sleeve contact can be connected to a second insulation displacement sleeve contact.

Abstract

The invention relates to a cutting and clamping sleeve contact for contacting a cable wire laterally to the sleeve axis. The sleeve contact exhibits at least one clamping through slot at the periphery of the sleeve and a cutting and clamping contact in the interior of the sleeve. Wall pieces are cut free at the wall of a sleeve. They provide a one-piece sleeve contact suitable to contact cable wires having varying diameters and multi-stranded conductors. The wall pieces are also made of a metal material, and are bent into the interior of the sleeve and form contact legs for forming the cutting/clamping contact.

Description

Die Erfindung bezieht sich auf einen Schneidklemm-­Hülsenkontakt zum Kontaktieren einer Kabelader quer zur Hülsenachse, insbesondere für Kabeladern der Fernmeldetechnik, mit mindestens einem Klemmschlitz am Umfang der Hülse und mit einem Schneidklemmkon­takt im Inneren der Hülse.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, with at least one clamping slot on the circumference of the sleeve and with an insulation displacement contact inside the sleeve.

Ein Schneidklemm-Hülsenkontakt der gattungsgemäßen Art ist aus der DE-OS 32 36 867 vorbekannt. Dieser Schneidklemm-Hülsenkontakt besteht aus einer aus Kunststoff gebildeten Hülse, an deren Umfang zwei Klemmschlitze mit einer Raststelle vorgesehen sind und aus einem metallischen Schneidklemmkontakt mit einem Kontaktschlitz. Er ist also zweiteilig. Beim Eindrücken eines isolierten Drahtes in den Kontakt­schlitz durchschneiden die sich gegenüberliegenden scharfen Kanten des Kontaktschlitzes zuerst die Drahtisolation und dringen dann in den leitenden Kern des Drahtes ein. Mit dem Schneidklemm-Hülsen­kontakt können somit isolierte Drähte schraub-, löt- und abisolierfrei angeschlossen werden. Der Schneidklemm-Hülsenkontakt kann freistehend auf einer Fläche oder in einem Gehäuse eingebaut wer­den. An diesem Hülsenkontakt können nur Kabeladern mit einem bestimmten Durchmesser angeschlossen werden, da der anzuschließende Kabeldurchmesser von der Schlitzbreite des Kontaktschlitzes und des Klemmschlitzes abhängig ist.An insulation displacement contact of the generic type is previously known from DE-OS 32 36 867. This insulation displacement contact consists of a sleeve made of plastic, on the circumference of which two clamping slots are provided with a locking point and a metallic insulation displacement contact with a contact slot. So it is in two parts. When an insulated wire is pressed into the contact slot, the opposite sharp edges of the contact slot first cut through the wire insulation and then penetrate into the conductive core of the wire. With the insulation displacement contact, insulated wires can be screwed, can be connected without soldering or stripping. The insulation displacement contact can be installed free-standing on a surface or in a housing. Only cable cores with a certain diameter can be connected to this sleeve contact, since the cable diameter to be connected depends on the slot width of the contact slot and the clamping slot.

Der Erfindung liegt von daher die Aufgabe zugrunde einen Schneidklemm-Hülsenkontakt der gattungsge­mäßen Art zu schaffen, mit welchem Kabeladern mit unterschiedlichen Durchmessern und Litzenleiter kontaktierbar sind und der einstückig ausgebildet ist.The object of the invention is therefore to create an insulation displacement contact of the generic type, with which cable cores with different diameters and stranded conductors can be contacted and which is formed in one piece.

Die Lösung dieser Aufgabe ergibt sich aus den kennzeichnenden Merkmalen des Anspruches 1. Erfin­dungsgemäß sind beim Schneidklemm-Hülsenkontakt aus dem Mantel der aus metallischem Werkstoff gebildeten Hülsen Mantelstücke freigeschnitten und zur Bildung des Schneidklemmkontaktes als Kontaktschenkel in das Innere der Hülse abgebogen.The solution to this problem results from the characterizing features of claim 1. According to the invention, during insulation displacement sleeve contact, jacket pieces are cut free from the jacket of the sleeves formed from metallic material and bent to form the insulation displacement contact as a contact leg into the interior of the sleeve.

Hierdurch können Kabeladern mit unterschiedlichen Durchmessern angeschlossen werden. Bei dickeren Kabeladern wird, da sich der Klemmschlitz entspre­chend aufweitet, auch eine Aufweitung des Kontakt­schlitzes verursacht. So entstehen auch größere Kontaktkräfte, die für eine einwandfreie Kontaktie­rung notwendig sind. Der Schneidklemm-Hülsenkontakt besitzt einen an verschiedene Kabeldurchmesser anpassungsfähigen Kontaktschlitz mit anpassungsfä­higen Kontaktkräften. Durch den Klemmschlitz werden darüber hinaus die auf den Schneidklemm-Hülsenkon­takt einwirkenden mechanischen Belastungen vom Kontaktschlitz ferngehalten. So sind zusätzliche Klemmrippen außerhalb des Hülsenkontaktes nicht notwendig.As a result, cable cores with different diameters can be connected. With thicker ones Cable cores, as the clamping slot widens accordingly, also causes the contact slot to widen. This also creates larger contact forces that are necessary for perfect contacting. The insulation displacement contact has a contact slot with adaptable contact forces that can be adapted to different cable diameters. The clamping slot also keeps the mechanical loads on the insulation displacement contact away from the contact slot. Additional clamping ribs outside of the sleeve contact are not necessary.

Der Hülsenquerschnitt kann jede beliebige Form besitzen. Bei einem quadratischen Querschnitt kann die Hülse somit zum Beispiel verdrehungssicher in einem Kunststoffgehäuse montiert werden.The sleeve cross section can have any shape. With a square cross-section, the sleeve can thus be mounted, for example, in a plastic housing, so that it cannot twist.

Eine hohe Kontaktsicherheit wird erzielt, wenn die Kontaktschenkel zur Kabeladerachse unter einem Winkel von ca. 45° angeordnet sind, so daß die scharfen Kanten des von den Kontaktschenkeln gebil­deten Kontaktschlitzes an zwei diagonal gegenüber­liegenden Stellen in den leitenden Kern der Kabel­ader eindringen.A high degree of contact reliability is achieved if the contact legs are arranged at an angle of approximately 45 ° to the cable core axis, so that the sharp edges of the contact slot formed by the contact legs penetrate into the conductive core of the cable core at two diagonally opposite locations.

In einer weiteren Ausführungsform gemäß Anspruch 4 sind die Kontaktschenkel als Mantelwinkelstücke ausgebildet, so daß ein Flächenkontakt entsteht.In a further embodiment according to claim 4, the contact legs are designed as jacket elbows, so that a surface contact occurs.

Dieser Flächenkontakt bietet die Möglichkeit, Litzenleiter an den Schneidklemm-Hülsenkontakt ohne Beschädigung oder Durchtrennung der Einzeldrähte des Litzenleiters anzuschließen.This surface contact offers the possibility of connecting the stranded conductor to the insulation displacement contact without damaging or cutting through the individual wires of the stranded conductor.

Weitere vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den weiteren Unteransprüchen.Further advantageous embodiments of the invention result from the further subclaims.

Die Erfindung ist nachfolgend anhand von mehreren in den Zeichnungen dargestellten Ausführungsbeispie­len von Schneidklemm-Hülsenkontakten zum Anschluß von Kabeladern näher erläutert. Es zeigen:

  • Fig. 1 eine zum Teil aufgebrochene Perspek­tivansicht des ersten Ausführungsbei­spiels des Schneidklemm-Hülsenkontaktes.
  • Fig. 2 die Vorderansicht,
  • Fig. 3 eine Seitenansicht,
  • Fig. 4 die Draufsicht,
  • Fig. 5 die Draufsicht, mit angeschlossener Kabelader,
  • Fig. 6 die Abwicklung,
  • Fig. 7 die Draufsicht auf den Schneidklemm-Hül­senkontakt gemäß dem zweiten Ausfüh­rungsbeispiel,
  • Fig. 8 die Draufsicht auf den Schneidklemm-Hül­senkontakt gemäß dem dritten Ausfüh­rungsbeispiel,
  • Fig. 9 die Draufsicht auf den Schneidklemm-Hül­senkontakt gemäß dem vierten Ausfüh­rungsbeispiel,
  • Fig. 10 die Vorderansicht des Schneidklemm-­Hülsenkontaktes gemäß dem fünften Ausführungsbeispiel,
  • Fig. 11 eine Seitenansicht,
  • Fig. 12 die Draufsicht,
  • Fig. 13 die Draufsicht mit angeschlossener Kabelader und
  • Fig. 14 die Abwicklung
The invention is explained in more detail below with reference to several exemplary embodiments of insulation displacement sleeve contacts for connecting cable wires shown in the drawings. Show it:
  • Fig. 1 is a partially broken perspective view of the first embodiment of the insulation displacement contact.
  • 2 the front view,
  • 3 is a side view,
  • 4 the top view,
  • 5 is a top view with the cable wire connected,
  • 6 the settlement,
  • 7 is a top view of the insulation displacement contact according to the second embodiment,
  • 8 is a top view of the insulation displacement contact according to the third embodiment,
  • 9 is a top view of the insulation displacement contact according to the fourth embodiment,
  • 10 is the front view of the insulation displacement contact according to the fifth embodiment,
  • 11 is a side view,
  • 12 the top view,
  • Fig. 13 is a plan view with a connected cable and
  • Fig. 14 the settlement

In den Figuren 1 bis 6 ist das erste Ausführungsbei­spiel des Schneidklemm-Hülsenkontaktes dargestellt. Die Hülse 1 des Schneidklemm-Hülsenkontaktes besitzt einen runden Querschnitt, in dessen Mantel 33 sich ein axialer über die gesamte Mantellänge der Hülse 1 erstreckender Klemmschlitz 5 und ein dem Klemm­schlitz 5 gegenüberliegender, Kurzer Trennschlitz 12 mit einem messerartigen Schlitzgrund 13 befinden. Am oberen Ende des Klemmschlitzes 5 und des Trenn­schlitzes 12 sind Einführungsschrägen 16 bzw. 17 vorgesehen.FIGS. 1 to 6 show the first embodiment of the insulation displacement contact. The sleeve 1 of the insulation displacement contact has a round cross section, in the jacket 33 of which there is an axial clamping slot 5, which extends axially over the entire jacket length of the sleeve 1, and a short separating slot 12 opposite the clamping slot 5 with a knife-like slot base 13. At the upper end of the clamping slot 5 and the separating slot 12, insertion bevels 16 and 17 are provided.

Der Mantel 33 des aus einem metallischen Werkstoff hergestellten Schneidklemm-Hülsenkontaktes ist aus einem Blechteil ausgestanzt und anschließend in die gewünschte Form gebogen. Wie es die Figur 6 zeigt, werden beim Stanzvorgang im mittleren Bereich der Hülse 1 rechteckförmige Mantelstücke 2, 3 ausge­schnitten. Die Mantelstücke 2, 3 sind hierbei mittels U-förmiger Einschnitte 35 jeweils an zwei Schmalseiten 29 und an einer Längsseite 30 freige­schnitten. Die anderen Längsseiten 30 der Mantel­stücke 2, 3 bilden Biegekanten 31, um die die Mantelstücke 2, 3 zur Bildung des Schneidklemmkon­taktes 4 als Kontaktschenkel 6, 7 in das Innere der Hülse 1 abgebogen werden. Wie insbesondere die Figur 4 zeigt, werden die Kontaktschenkel 6, 7 an sich gegenüberliegenden Stellen abgebogen, so daß zwischen den sich fluchtend gegenüberliegenden Seitenwänden 14, 15 der Kontaktschenkel 6, 7 ein Kontaktschlitz 8 gebildet wird. Dabei bilden die Kontaktschenkel 6, 7 zur Ebene 34 des Klemmschlitzes 5 einen Winkel β von ca. 45°.The jacket 33 of the insulation displacement contact made of a metallic material is punched out of a sheet metal part and then bent into the desired shape. As shown in FIG. 6, rectangular jacket pieces 2, 3 are cut out in the middle region of the sleeve during the punching process. The jacket pieces 2, 3 are cut out by means of U-shaped incisions 35 on two narrow sides 29 and on one long side 30. The other long sides 30 of the jacket pieces 2, 3 form bending edges 31 around which the jacket pieces 2, 3 are bent into the interior of the sleeve 1 to form the insulation displacement contact 4 as contact legs 6, 7. As shown in FIG. 4 in particular, the contact legs 6, 7 are bent at opposite points, so that a contact slot 8 is formed between the side walls 14, 15 of the contact legs 6, 7, which are aligned. The contact legs 6, 7 form an angle β of approximately 45 ° to the plane 34 of the clamping slot 5.

Gemäß Fig. 5 wird eine Kabelader 18 über den Klemm­schlitz 5 und den Trennschlitz 12 zwischen die Einführungsschrägen 16, 17 eingelegt, durch welche die Kabelader 18 in die Schlitze 5, 12 zentrisch eingeführt wird. Die Kabeladerachse der Kabelader 18 liegt hierbei genau auf der Ebene 34. Mittels eines nicht dargestellten Werkzeuges wird die Kabelader 18 nun nach unten gedrückt, wobei der Klemmschlitz 5 zum Halten der Kabelisolierung 22 entsprechend dem Durchmesser der Kabelader 18 auffedert. Abhängig hiervon federn auch die beiden Kontaktschenkel 6, 7 auf und vergrößern somit die Schlitzbreite des Kontaktschlitzes 8 entsprechend dem anzuschließenden Kabeladerdurchmesser. Wird die Kabelader 18 weiter nach unten gedrückt so wird diese durch Einführungs­schrägen 27 in den Klemmschlitzen 5 mittig einge­führt, hierbei durchschneiden die scharfen Kanten 20, 21 der Seitenwände 14, 15 des Kontaktschlitzes 8 zuerst die Isolation 22 der Kabeladern 18 und dringen dann, wie die Figur 5 zeigt, versetzt an zwei sich diagonal gegenüberliegenden Stellen in den leitenden Kern 19 der Kabeladern 18 ein, womit eine elektrische Verbindung zwischen der Hülse 1 des Schneidklemm-Hülsenkontaktes und der Kabelader 18 hergestellt ist. Der Klemmschlitz 5 und der Kontakt­schlitz 8 werden also in vorteilhafter Weise dem anzuschließenden Kabeldurchmesser angepaßt. Am messerartigen Schlitzgrund 13 des Trennschlitzes 12 wird das Kabeladerende abgeschnitten.5, a cable core 18 is inserted through the clamping slot 5 and the separating slot 12 between the insertion bevels 16, 17, through which the cable core 18 is inserted centrally into the slots 5, 12. The cable core axis of the cable core 18 lies exactly on the level 34. The cable core 18 is now pressed down by means of a tool (not shown), the clamping slot 5 for holding the cable insulation 22 corresponding to that The diameter of the cable core 18 springs open. Depending on this, the two contact legs 6, 7 also spring open and thus enlarge the slot width of the contact slot 8 in accordance with the cable wire diameter to be connected. If the cable wire 18 is pressed further downwards, this is inserted centrally through insertion bevels 27 into the clamping slots 5, in this case the sharp edges 20, 21 of the side walls 14, 15 of the contact slot 8 first cut through the insulation 22 of the cable wires 18 and then penetrate, like that Figure 5 shows, offset at two diagonally opposite points in the conductive core 19 of the cable cores 18, whereby an electrical connection between the sleeve 1 of the insulation displacement contact and the cable core 18 is made. The clamping slot 5 and the contact slot 8 are thus advantageously adapted to the cable diameter to be connected. The cable end is cut off at the knife-like slot base 13 of the separating slot 12.

Die beiden Kontaktschenkel 6, 7 können auch zur Ebe­ne 34 des Klemmschlitzes 5 und des Kontaktschlitzes 8 weitere Winkel bilden. Derartige Ausführungsbeispiele sind in den Figuren 7 bis 9 dargestellt. Die Figur 7 zeigt eine Hülse 1, bei der die Kontaktschenkel 6, 7 zur Ebene 34 des Klemmschlitzes 5 einen Winkel von ca. 90° bilden. Hierdurch wird ein Gabelkontakt 36 gebildet. In Figur 8 bilden die Kontaktschenkel 6, 7 zur Ebene 34 des Klemmschlitzes 8 einen Winkel β von 45° und in Figur 9 ebenfalls einen Winkel von 45°, so daß hierdurch Dreieckskontakte 37 entstehen, deren Kontaktschenkel 6, 7 vom Klemm­schlitz 5 weg- oder auf diesen zugerichtet sind. Der Dreieckskontakt 37 nach Figur 8 besitzt hierbei einen kleineren Federweg und damit eine größere Federkraft der Kontaktschenkel 6, 7 als der in Figur 9 dargestellte Dreieckskontakt. Dies bedeutet, daß sich der Klemmschlitz 5 beim Anschluß einer Kabelader 18 des in Figur 9 dargestellten Dreieckskon­taktes 37 ohne Beeinflussung des Kontaktschlitzes 8 mehr aufweiten kann als der in Figur 8 dargestellte Dreieckskontakt.The two contact legs 6, 7 can also form additional angles to the plane 34 of the clamping slot 5 and the contact slot 8. Such exemplary embodiments are shown in FIGS. 7 to 9. FIG. 7 shows a sleeve 1 in which the contact legs 6, 7 form an angle of approximately 90 ° to the plane 34 of the clamping slot 5. In this way, a fork contact 36 is formed. In Figure 8, the contact legs 6, 7 form an angle β of 45 ° to the plane 34 of the clamping slot 8 and in Figure 9 also one Angle of 45 °, so that this creates triangular contacts 37, the contact legs 6, 7 away from the clamping slot 5 or directed towards them. The triangular contact 37 according to FIG. 8 here has a smaller spring travel and thus a greater spring force of the contact legs 6, 7 than the triangular contact shown in FIG. 9. This means that the clamping slot 5 can widen more when the connection of a cable core 18 of the triangular contact 37 shown in FIG. 9 without influencing the contact slot 8 than the triangular contact shown in FIG.

In dem fünften Ausführungsbeispiel gemäß den Figu­ren 10 bis 14 ist ein Schneidklemm-Hülsenkontakt mit einem Flächenkontakt 9 dargestellt, der insbe­sondere zum Anschließen von Litzenleitern 23 (Fig. 13) dient. Die Abwicklung dieses Schneidklemm-Hülsenkontak­tes ist in Figur 14 dargestellt. Hierbei werden aus einem Blech zwei obere und zwei untere, parallel zu­einander und im Abstand voneinander verlaufende Schlitze 24, 25 ausgestanzt, wobei in den oberen Schlitzen 24 mittig Schneidspitzen 26 vorgesehen sind. Die zwischen dem oberen und unteren Schlitz 24, 25 entstehenden Mantelstücke 2, 3 werden an den Biegekanten 38 des Schneidklemm-Hülsenkontaktes als Mantelwinkelstücke 10, 11 nach innen gebogen, so daß zwei V-förmige Kontaktschenkel 6a, 7a entstehen, deren Spitzen sich genau gegenüberliegen und die Schlitzbreite des Kontaktschlitzes 8 bilden. Auch dieser Schneidklemm-Hülsenkontakt besitzt wie die oben erwähnten Ausführungsbeispiele einen durchge­henden, axialen Klemmschlitz 5 und einen kurzen Trennschlitz 12. Beim Eindrücken des Litzenleiters 23 in den Hülsenkontakt schneiden die Schneidspitzen 26 zuerst die Isolation des Litzenleiters 23 durch, bis die Schlitzwände 27 mit den leitenden Einzel­drähten 32 des Litzenleiters 23 unter Druck in Berührung kommen und eine elektrische Verbindung zwischen dem Schneidklemm-Hülsenkontakt und dem Litzenleiter 23 herstellen. Der Litzenleiter 23 wird somit ohne Beschädigung oder Durchtrennung der Einzeldrähte 32 angeschlossen. Auch hier federt der Kontaktschlitz 8 entsprechend dem Durchmesser des Litzenleiters 23 auf, so daß Litzenleiter 23 mit unterschiedlichen Kabeldurchmessern anschließbar sind.In the fifth exemplary embodiment according to FIGS. 10 to 14, an insulation displacement contact with a surface contact 9 is shown, which is used in particular for connecting stranded conductors 23 (FIG. 13). The development of this insulation displacement sleeve contact is shown in FIG. 14. In this case, two upper and two lower slots 24, 25 running parallel to one another and at a distance from one another are punched out of a sheet metal, with cutting tips 26 being provided in the center in the upper slots 24. The resulting between the upper and lower slots 24, 25 jacket pieces 2, 3 are bent inwards at the bending edges 38 of the insulation displacement sleeve contact as jacket angle pieces 10, 11, so that two V-shaped contact legs 6a, 7a are formed, the tips of which lie exactly opposite one another and form the slot width of the contact slot 8. This insulation displacement sleeve contact also has like that The above-mentioned exemplary embodiments have a continuous, axial clamping slot 5 and a short separating slot 12. When the stranded conductor 23 is pressed into the sleeve contact, the cutting tips 26 first cut through the insulation of the stranded conductor 23 until the slot walls 27 with the conductive individual wires 32 of the stranded conductor 23 are under pressure Come into contact and establish an electrical connection between the insulation displacement contact and the stranded conductor 23. The stranded conductor 23 is thus connected without damaging or severing the individual wires 32. Here too, the contact slot 8 springs up according to the diameter of the stranded conductor 23, so that stranded conductors 23 with different cable diameters can be connected.

In einer nicht dargestellten Ausführungsform können die Schneidspitzen sich versetzt gegenüberliegen, so daß die V-förmigen Kontaktschenkel 6, 7 unter­schiedliche Schenkellängen aufweisen.In an embodiment, not shown, the cutting tips can be offset from one another, so that the V-shaped contact legs 6, 7 have different leg lengths.

An allen Ausführungsformen von Schneidklemm-Hülsen­kontakten sind unten am Mantel 33 Verlängerungen 28 angebracht, über die ein Schneidklemm-Hülsenkontakt mit einem zweiten Schneidklemm-Hülsenkontakt verbunden werden kann.On all embodiments of insulation displacement sleeve contacts, extensions 28 are attached at the bottom of the jacket 33, via which an insulation displacement sleeve contact can be connected to a second insulation displacement sleeve contact.

Bezugszeichenliste:Reference symbol list: Schneidklemm-HülsenkontaktIDC sleeve contact

  • 1 Hülse1 sleeve
  • 2, 3 Mantelstücke2, 3 jacket pieces
  • 4 Schneidklemmkontakt4 insulation displacement contact
  • 5 Klemmschlitz5 clamping slot
  • 6, 6a, 7, 7a Kontaktschenkel6, 6a, 7, 7a contact leg
  • 8 Kontaktschlitz8 contact slot
  • 9 Flächenkontakt9 surface contact
  • 10, 11 Mantelwinkelstücke10, 11 shell elbows
  • 12 Trennschlitz12 separation slot
  • 13 Schlitzgrund13 slot base
  • 14, 15 Seitenwände14, 15 side walls
  • 16, 17 Einführungssteg16, 17 entrance bridge
  • 18 Kabelader18 cable wires
  • 19 leitender Kern19 leading core
  • 20, 21 scharfe Kanten20, 21 sharp edges
  • 22 Isolation22 isolation
  • 23 Litzenleiter23 stranded wire
  • 24, 25 Schlitze24, 25 slots
  • 26 Schneidspitze26 cutting tip
  • 27 Einführungsschrägen27 introductory notes
  • 28 Verlängerung28 extension
  • 29 Schmalseite29 narrow side
  • 30 Längsseiten30 long sides
  • 31 Biegekante31 bending edge
  • 32 Einzeldrähte32 individual wires
  • 33 Mantel33 coat
  • 34 Ebene34 level
  • 35 Einschnitte35 incisions
  • 36 Gabelkontakt36 fork contact
  • 37 Dreieckskontakte37 delta contacts
  • 38 Biegekante38 bending edge

Claims (14)

1. Schneidklemm-Hülsenkontakt zum Kontaktieren einer Kabelader quer zur Hülsenachse, insbesondere für Kabeladern der Fernmeldetechnik, mit mindestens einem Klemmschlitz am Umfang der Hülse und mit einem Schneidklemmkontakt im Inneren der Hülse,
dadurch gekennzeichnet,
daß aus dem Mantel (33) der aus metallischem Werkstoff gebildeten Hülse (1) Mantelstücke (2, 3) freige­schnitten und zur Bildung des Schneidklemmkontaktes (4) als Kontaktschenkel (6, 7) in das Innere der Hülse (1) abgebogen sind.1. insulation displacement contact for contacting a cable wire transverse to the sleeve axis, in particular for cable wires in telecommunications, with at least one clamping slot on the circumference of the sleeve and with an insulation displacement contact inside the sleeve,
characterized,
that from the jacket (33) of the sleeve (1) formed from metallic material, jacket pieces (2, 3) are cut free and bent to form the insulation displacement contact (4) as contact legs (6, 7) into the interior of the sleeve (1). 2. Schneidklemm-Hülsenkontakt nach Anspruch 1,
dadurch gekennzeichnet,
daß die Hülse (1) einen runden, ovalen oder mehr­eckigen Querschnitt besitzt.2. insulation displacement contact according to claim 1,
characterized,
that the sleeve (1) has a round, oval or polygonal cross section. 3. Schneidklemm-Hülsenkontakt nach den Ansprüchen 1 und 2,
dadurch gekennzeichnet,
daß der Winkel (α) zwischen den beiden Kontaktschen­keln (6, 7) der Hülse (1) zwischen 0 und 180° wähl­bar ist, wobei der Klemmschlitz (5) am Umfang der Hülse (1) und der zwischen den Kontaktschenkeln (6, 7) gebildete Kontaktschlitz (8) in einer Ebene (34) angeordnet sind.3. insulation displacement sleeve contact according to claims 1 and 2,
characterized,
that the angle (α) between the two contact legs (6, 7) of the sleeve (1) can be selected between 0 and 180 °, the clamping slot (5) on the circumference of the The sleeve (1) and the contact slot (8) formed between the contact legs (6, 7) are arranged in one plane (34). 4. Schneidklemm-Hülsenkontakt nach den Ansprüchen 1 und 2,
dadurch gekennzeichnet,
daß die Kontaktschenkel (6, 7) unter einem Winkel (α) von 180° zueinander und zur Ebene (34) des Klemm­schlitzes (5) der Hülse (1) unter einem Winkel (β) von ca. 45° angeordnet sind (Fig. 4).4. insulation displacement sleeve contact according to claims 1 and 2,
characterized,
that the contact legs (6, 7) are arranged at an angle (α) of 180 ° to one another and to the plane (34) of the clamping slot (5) of the sleeve (1) at an angle (β) of approximately 45 ° (Fig. 4). 5. Schneidklemm-Hülsenkontakt nach den Ansprüchen 1 und 2,
dadurch gekennzeichnet,
daß die Kontaktschenkel (6, 7) unter einem Winkel (α) von 90° zueinander und zur Ebene (34) des Klemmschlit­zes (5) der Hülse (1) symmetrisch unter einem Winkel (β) von ca. 45° angeordnet sind (Fig. 8, 9).5. insulation displacement contact according to claims 1 and 2,
characterized,
that the contact legs (6, 7) at an angle (α) of 90 ° to each other and to the plane (34) of the clamping slot (5) of the sleeve (1) are arranged symmetrically at an angle (β) of approximately 45 ° (Fig . 8, 9). 6. Schneidklemm-Hülsenkontakt nach den Ansprüchen 1 und 2,
dadurch gekennzeichnet,
daß die Kontaktschenkel (6, 7) mit ihrem Kontakt­schlitz (8) vom Klemmschlitz (5) der Hülse (1) weg­gerichtet sind (Fig. 8).6. insulation displacement sleeve contact according to claims 1 and 2,
characterized,
that the contact legs (6, 7) with their contact slot (8) from the clamping slot (5) of the sleeve (1) are directed away (Fig. 8). 7. Schneidklemm-Hülsenkontakt nach den Ansprüchen 1 und 2,
dadurch gekennzeichnet,
daß die Kontaktschenkel (6, 7) mit ihrem Kontakt­schlitz (8) in die Richtung des Klemmschlitzes (5) der Hülse (1) gerichtet sind (Fig. 9).7. insulation displacement sleeve contact according to claims 1 and 2,
characterized,
that the contact legs (6, 7) are directed with their contact slot (8) in the direction of the clamping slot (5) of the sleeve (1) (Fig. 9). 8. Schneidklemm-Hülsenkontakt nach den Ansprüchen 1 bis 6,
dadurch gekennzeichnet,
daß die Kontaktschenkel (6, 7) durch U-förmige Einschnitte (35) aus dem Mantel (33) der Hülse (1) freigeschnitten sind.8. insulation displacement contact according to claims 1 to 6,
characterized,
that the contact legs (6, 7) are cut free by U-shaped incisions (35) from the jacket (33) of the sleeve (1). 9. Schneidklemm-Hülsenkontakt nach Anspruch 1,
dadurch gekennzeichnet,
daß die Kontaktschenkel (6a, 7a) zur Bildung eines Flächenkontaktes (9) aus zwei gegenüberliegenden, aus dem Mantel (33) durch zwei parallele, quer zur Achse geführte Schnitte freigeschnittenen, nach innen gedrückten Mantelwinkelstücken (10, 11) bestehen.9. insulation displacement contact according to claim 1,
characterized,
that the contact legs (6a, 7a) to form a surface contact (9) consist of two opposing, inwardly cut jacket angle pieces (10, 11) from the jacket (33) through two parallel cuts made transversely to the axis. 10. Schneidklemm-Hülsenkontakt nach den Ansprüchen 1 und 8,
dadurch gekennzeichnet,
daß die Mantelwinkelstücke (10, 11) im axialen Querschnitt durch die Hülse (1) V-förmig ausge­bildet sind.10. insulation displacement sleeve contact according to claims 1 and 8,
characterized,
that the jacket elbows (10, 11) are axially shaped through the sleeve (1) V-shaped. 11. Schneidklemm-Hülsenkontakt nach Anspruch 1,
dadurch gekennzeichnet,
daß sich der Klemmschlitz (5) über die gesamte Mantellänge der Hülse (1) erstreckt und am oberen Ende Einführungsschrägen (16) aufweist.11. insulation displacement contact according to claim 1,
characterized,
that the clamping slot (5) extends over the entire jacket length of the sleeve (1) and has insertion bevels (16) at the upper end. 12. Schneidklemm-Hülsenkontakt nach Anspruch 1,
dadurch gekennzeichnet,
daß der zwischen den Kontaktschenkeln (6, 7) gebil­dete Kontaktschlitz (8) am oberen Ende Einführungs­schrägen (27) aufweist.12. insulation displacement contact according to claim 1,
characterized,
that the contact slot (8) formed between the contact legs (6, 7) has insertion bevels (27) at the upper end. 13. Schneidklemm-Hülsenkontakt nach Anspruch 1,
dadurch gekennzeichnet,
daß dem Klemmschlitz (5) am Umfang der Hülse (1) ein kurzer Trennschlitz (12) mit am oberen Ende angebrachten Einführungsschrägen (17) gegenüberliegt.13. insulation displacement contact according to claim 1,
characterized,
that the clamping slot (5) on the circumference of the sleeve (1) is opposite a short separating slot (12) with bevels (17) attached at the upper end. 14. Schneidklemm-Hülsenkontakt nach Anspruch 1,
dadurch gekennzeichnet,
daß die Hülse (1) am unteren Ende eine Verlänge­rung (28) zur Verbindung mit weiteren Hülsen (1) aufweist.14. insulation displacement contact according to claim 1,
characterized,
that the sleeve (1) has an extension (28) at the lower end for connection to further sleeves (1).
EP88730042A 1987-03-20 1988-02-24 Cutting clamp sleeve contact Expired - Lifetime EP0283427B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3709376A DE3709376C1 (en) 1987-03-20 1987-03-20 Insulation displacement contact
DE3709376 1987-03-20

Publications (3)

Publication Number Publication Date
EP0283427A2 true EP0283427A2 (en) 1988-09-21
EP0283427A3 EP0283427A3 (en) 1990-10-31
EP0283427B1 EP0283427B1 (en) 1994-03-16

Family

ID=6323710

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88730042A Expired - Lifetime EP0283427B1 (en) 1987-03-20 1988-02-24 Cutting clamp sleeve contact

Country Status (26)

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US (1) US4897040A (en)
EP (1) EP0283427B1 (en)
JP (2) JPS63264880A (en)
KR (1) KR910006166B1 (en)
CN (1) CN1009975B (en)
AT (1) ATE103111T1 (en)
AU (1) AU601030B2 (en)
BR (1) BR8801258A (en)
CA (1) CA1286741C (en)
DD (1) DD269496A5 (en)
DE (2) DE3709376C1 (en)
DK (1) DK151088A (en)
FI (1) FI881311A (en)
HU (1) HU196864B (en)
IL (1) IL85648A (en)
IN (1) IN168922B (en)
IS (1) IS1453B6 (en)
MX (1) MX166411B (en)
MY (1) MY103725A (en)
NO (1) NO172617C (en)
NZ (1) NZ223698A (en)
PT (1) PT87026B (en)
SU (1) SU1660593A3 (en)
TR (1) TR25096A (en)
YU (1) YU54088A (en)
ZA (1) ZA881937B (en)

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Also Published As

Publication number Publication date
DE3888375D1 (en) 1994-04-21
IL85648A0 (en) 1988-08-31
KR880011955A (en) 1988-10-31
EP0283427B1 (en) 1994-03-16
DK151088D0 (en) 1988-03-18
IL85648A (en) 1992-05-25
NO881183D0 (en) 1988-03-17
KR910006166B1 (en) 1991-08-16
NO172617B (en) 1993-05-03
JPH0656971U (en) 1994-08-05
CN88101546A (en) 1988-10-26
TR25096A (en) 1992-09-23
MX166411B (en) 1993-01-07
US4897040A (en) 1990-01-30
HUT46170A (en) 1988-09-28
AU1326488A (en) 1988-09-22
DK151088A (en) 1988-09-21
JPS63264880A (en) 1988-11-01
YU54088A (en) 1990-12-31
NO172617C (en) 1993-08-11
SU1660593A3 (en) 1991-06-30
ZA881937B (en) 1988-11-30
FI881311A (en) 1988-09-21
DE3709376C1 (en) 1988-05-26
CN1009975B (en) 1990-10-10
NO881183L (en) 1988-09-21
NZ223698A (en) 1989-09-27
AU601030B2 (en) 1990-08-30
MY103725A (en) 1993-09-30
FI881311A0 (en) 1988-03-18
IS1453B6 (en) 1991-01-16
IS3316A7 (en) 1988-09-21
PT87026B (en) 1995-03-01
PT87026A (en) 1989-03-30
HU196864B (en) 1989-01-30
CA1286741C (en) 1991-07-23
EP0283427A3 (en) 1990-10-31
ATE103111T1 (en) 1994-04-15
BR8801258A (en) 1988-10-25
IN168922B (en) 1991-07-13
DD269496A5 (en) 1989-06-28

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