EP0558937B1 - Cutting and clamping terminal - Google Patents

Cutting and clamping terminal Download PDF

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Publication number
EP0558937B1
EP0558937B1 EP93101539A EP93101539A EP0558937B1 EP 0558937 B1 EP0558937 B1 EP 0558937B1 EP 93101539 A EP93101539 A EP 93101539A EP 93101539 A EP93101539 A EP 93101539A EP 0558937 B1 EP0558937 B1 EP 0558937B1
Authority
EP
European Patent Office
Prior art keywords
cutting
bottom portion
section piece
clamping terminal
terminal according
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.)
Expired - Lifetime
Application number
EP93101539A
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German (de)
French (fr)
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EP0558937A1 (en
Inventor
Andrzej 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.)
TE Connectivity Germany GmbH
Original Assignee
Krone GmbH
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Filing date
Publication date
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Publication of EP0558937A1 publication Critical patent/EP0558937A1/en
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Publication of EP0558937B1 publication Critical patent/EP0558937B1/en
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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
    • 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
    • H01R4/2466—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 having a channel-shaped part, the opposite sidewalls of which comprise insulation-cutting means

Definitions

  • the invention relates to an insulation displacement connection element for contacting electrical conductors according to the preamble of claim 1.
  • a insulation displacement connection element of the generic type is previously described in the older DE patent 40 33 366 (prior art according to Article 54 (3) EPC).
  • the insulation displacement connection element is designed as a U-shaped profile piece.
  • the contact legs are cut free from the two side walls of the profile piece to form the insulation displacement contact and bent inwards between the side walls.
  • the two contact legs form a clamping slot into which a cable core is pressed. With multi-core cables, only one wire per connection element and not several wires can be contacted in parallel.
  • connection element in SMD technology. Only one wire can be connected to the circuit board at a time.
  • the invention is therefore based on the object of improving an insulation displacement connection element of the generic type in such a way that a plurality of parallel electrical conductors can be connected in a connection element and precisely positioned and guided.
  • the solution to this problem results from the characterizing features of claim 1.
  • the formation of the U-shaped profile piece with at least one central web enables, in addition to the safe guidance of the electrical conductor through the respective side wall and the base part and the at least one central web acting as a contact point, the parallel one Connection of several electrical conductors in one connection element. Due to its constructive design, the insulation displacement connector is well suited for use on printed circuit boards in connection with SMD technology (surface-mounted device technology). Another advantage is that the insulation displacement connection element does not require a housing to position the electrical conductors, it is self-supporting and does not require any reinforcing construction elements.
  • the first embodiment of the insulation displacement connection element 1 is shown.
  • This is designed as a U-shaped profile piece 2 made of an electrically conductive metallic material.
  • the profile piece 2 has two side walls 4, 5 which are bent at right angles from the base part 7.
  • two central webs 3 are cut out and, starting from the center, are bent upwards at right angles to the end faces of the profile piece 2.
  • the radii of curvature 13 result from the free cutting of the central webs 3 and their upward bending.
  • the central webs 3 form the connection points for the electrical conductors 6, an angle of 90 ° being formed between the central conductor axis and the contact points 9.
  • the notched bevels 8 formed at an angle of approximately 45 ° on the upper edge of the central web 3 cause any insulation on the electrical conductor 6 to be cut.
  • the distance between a side wall 4, 5 and the central web 3 is in each case somewhat less than the diameter of the to be connected electrical conductor 6, so that a firm clamp connection and good contact are guaranteed.
  • the length of the profile piece 2 is freely selectable.
  • the insulation displacement connection element 1 is designed for two electrical conductors 6, each of which is connected via two contact points 9 formed by the central webs 3.
  • an electrical conductor 6 for example in the form of cable wires of telecommunications and data technology
  • the electrical conductor 6 is inserted from above in parallel between a side wall 4, 5 and the central webs 3 in the profile piece 2 .
  • the electrical conductor 6 is held in each case by the inner surfaces of the side walls 4, 5 and the contact surfaces of the central webs 3.
  • the electrical conductor 6 is by means of a not shown Tool pressed into the contact slot of the insulation displacement contact 10, the sharp edges of the end faces of the central webs 3, which form the notched edges 8, cut through the insulation of the electrical conductor 6 and penetrate into the conductive core of the electrical conductor 6, whereby an electrical Connection between the electrical conductor 6 and the contact points 9 of the insulation displacement connection element 1 is made.
  • FIGS. 4 to 6 The second embodiment of the insulation displacement connection element 1 is shown in FIGS. 4 to 6. This differs from the first embodiment according to FIGS. 1 to 3 only in that the central webs 3 are bent up from the two end faces of the profile piece 2 towards the center (FIG. 5) or the one central web 3 from one end face to Is bent up in the middle (Fig. 6). This results in the radii of curvature 13. In the embodiment according to FIG. 6, only one contact point 9 is formed per electrical conductor 6.
  • the third and fourth embodiment according to FIGS. 7, 8 and 9 to 11 differ from the first and the second embodiment according to FIGS. 1 to 3 and 4 to 6 only in the number of middle webs 3 formed.
  • the embodiment chosen here With three central webs 3 it is possible to connect four electrical conductors 6, each with two or one contact point 9 (FIG. 11).
  • This embodiment shows that it is possible, depending on the selected width of the base part 7, to implement any number of connection points by lining up the basic shape of the insulation displacement contact element 1 in accordance with FIGS. 1 to 3 or 4 to 6.
  • contact points 9 In the fifth embodiment according to FIGS. 12 to 15 four contact points 9 (FIGS. 14, 15) or three contact points 9 (FIG. 13) are provided for each electrical conductor 6.
  • contact points 11 are formed from the side walls 4, 5 of the profile piece 2.
  • Contact strips 12 are cut free from the side walls 4, 5 and are bent into the interior of the profile piece 2 in a wide variety of shapes such that the contact points 11 acting in a clamping manner on the electrical conductor 6 are formed.
  • the angle between the longitudinal axis of the insulation displacement connection element 1 and the inwardly angled contact strips 12 can be freely selected.
  • the angle between the central axis of the respective electrical conductor 6 and the lateral contact strips 12 is preferably 45 ° to 90 °.
  • FIGS. 16 to 22 allow the connection of two electrical conductors 6 via four contact points 9, 11 (FIGS. 17, 18), three contact points 9, 11 (FIG. 22) or via two contact points 9, 11 ( Fig. 19, 20, 21).
  • the design of the center webs 3 corresponds to that in FIGS. 5, 6.
  • the design of the contact strips 12 corresponds to that in FIGS. 12 to 15.
  • FIGS. 23 to 25 and in FIGS. 26 to 29 show designs of the insulation displacement connection element 1 for four electrical conductors 6 in the design of the center webs 3 according to FIGS. 7 and 9 and in the design of the contact strips 12 according to FIGS. 13 to 15.
  • the individual embodiments of the central web 3 and the contact strips 12 can be combined with one another as desired and can be expanded for any number of electrical conductors 6 by lining up the basic shapes according to FIGS. 1, 4, 12, 16.
  • these embodiments can also be used for double contacting at a contact point if the diameter of the electrical conductors 6 is chosen to be almost identical.
  • the insulation displacement connection element 1 described is used as a wire connector for both bare and insulated conductors 6 in solid wire or stranded form or for connecting an equal number of conductors 6 to a printed circuit board, e.g. as an SMD contact.
  • the metal diameter of solid wires can be approx. 0.3 mm to approx. 1 mm depending on the size.
  • the connecting element 1 can also be used in connecting strips without a separating function.
  • the insulation displacement connector 1 is self-supporting. No additional construction parts, e.g. Housing, supports or the like, needed as reinforcement.
  • the electrical conductors 6 can either be cut to their correct length before wiring or can be severed by a metal edge during the pressing-in process. This edge can be bent out of the contact. A special wiring tool can also be used.

Landscapes

  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Processing Of Terminals (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Dicing (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Led Device Packages (AREA)
  • Liquid Crystal (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Gyroscopes (AREA)
  • Scissors And Nippers (AREA)
  • Details Of Cutting Devices (AREA)

Abstract

The invention relates to a cutting and clamping terminal element for contacting electrical conductors, in particular for cable cores of the telecommunication technology, comprising a U-shaped section piece of a U-shaped cross-section and having a cutting and clamping contact. In order to provide a cutting and clamping terminal element (1) by means of which a plurality of parallel electrical conductors (6) can be terminated and accurately positioned and guided, the U-shaped section piece (2) is adapted with one or several central webs (3), which are cut free from the bottom portion (7) and are upwardly bent off. Thereby one or more contact positions 9 are obtained for the electrical conductors (6).

Description

Die Erfindung bezieht sich auf ein Schneid-Klemm-Anschlußelement zum Kontaktieren von elektrischen Leitern gemäß dem Oberbegriff des Anspruches 1.The invention relates to an insulation displacement connection element for contacting electrical conductors according to the preamble of claim 1.

Ein Schneid-Klemm-Anschlußelement der gattungsgemäßen Art ist im älteren DE-Patent 40 33 366 vorbeschrieben (Stand der Technik nach Artikel 54 (3) EPÜ). Das Schneid-Klemm-Anschlußelement ist als U-förmiges Profilstück ausgebildet. Die Kontaktschenkel sind zur Bildung des Schneid-Klemm-Kontaktes aus den beiden Seitenwänden des Profilstückes freigeschnitten und zwischen die Seitenwände nach innen abgebogen. Die beiden Kontaktschenkel bilden einen Klemmschlitz, in den eine Kabelader eingedrückt wird. Bei mehradrigen Kabeln können nur eine Ader pro Anschlußelement und nicht mehrere Adern parallel zueinander kontaktiert werden.A insulation displacement connection element of the generic type is previously described in the older DE patent 40 33 366 (prior art according to Article 54 (3) EPC). The insulation displacement connection element is designed as a U-shaped profile piece. The contact legs are cut free from the two side walls of the profile piece to form the insulation displacement contact and bent inwards between the side walls. The two contact legs form a clamping slot into which a cable core is pressed. With multi-core cables, only one wire per connection element and not several wires can be contacted in parallel.

Dies wirkt sich insbesondere auch bei der Verwendung des Anschlußelementes in der SMD-Technik aus. Es kann jeweils nur eine Ader mit der Leiterplatte verbunden werden.This particularly affects the use of the connection element in SMD technology. Only one wire can be connected to the circuit board at a time.

Der Erfindung liegt von daher die Aufgabe zugrunde, ein Schneid-Klemm-Anschlußelement der gattungsgemäßen Art dahingehend zu verbessern, daß eine Mehrzahl von parallelen elektrischen Leitern in einem Anschlußelement angeschlossen und genau positioniert und geführt werden kann.The invention is therefore based on the object of improving an insulation displacement connection element of the generic type in such a way that a plurality of parallel electrical conductors can be connected in a connection element and precisely positioned and guided.

Die Lösung dieser Aufgabe ergibt sich aus den kennzeichnenden Merkmalen des Anspruches 1. Die Ausbildung des U-förmigen Profilstückes mit mindestens einem Mittelsteg ermöglicht neben der sicheren Führung des elektrischen Leiters durch die jeweilige Seitenwand und das Bodenteil und den mindestens einen als Kontaktstelle wirkenden Mittelsteg den parallelen Anschluß mehrerer elektrischer Leiter in einem Anschlußelement. Das Schneid-Klemm-Anschlußelement ist infolge seiner konstruktiven Gestaltung gut für den Einsatz auf Leiterplatten in Verbindung mit der SMD-Technik (Surface-Mounted-Device-Technik) geeignet. Ein weiterer Vorteil besteht darin, daß das Schneid-Klemm-Anschlußelement kein Gehäuse benötigt, um die elektrischen Leiter zu positionieren, es ist selbsttragend und braucht keine verstärkenden Konstruktionselemente.The solution to this problem results from the characterizing features of claim 1. The formation of the U-shaped profile piece with at least one central web enables, in addition to the safe guidance of the electrical conductor through the respective side wall and the base part and the at least one central web acting as a contact point, the parallel one Connection of several electrical conductors in one connection element. Due to its constructive design, the insulation displacement connector is well suited for use on printed circuit boards in connection with SMD technology (surface-mounted device technology). Another advantage is that the insulation displacement connection element does not require a housing to position the electrical conductors, it is self-supporting and does not require any reinforcing construction elements.

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

Die Erfindung ist nachfolgend anhand mehrerer Ausführungsbeispiele von Schneid-Klemm-Anschlußelementen näher erläutert. Es zeigen:

Fig. 1
eine Stirnansicht des Schneid-Klemm-Anschlußelementes in der ersten Ausführungsform,
Fig. 2
die Draufsicht auf das Schneid-Klemm-Anschlußelement gemäß Fig. 1,
Fig. 3
die Seitenansicht des Schneid-Klemm-Anschlußelementes gemäß den Fig. 1,
Fig. 4
eine Stirnansicht des Schneid-Klemm-Anschlußelementes in der zweiten Ausführungsform,
Fig. 5
die Draufsicht auf das Schneid-Klemm-Anschluß element gemäß Fig.4 mit zwei Mittelstegen,
Fig. 6
die Draufsicht auf das Schneid-Klemm-Anschlußelement mit einem Mittelsteg,
Fig. 7
eine Stirnansicht des Schneid-Klemm-Anschlußelementes in der dritten Ausführungsform mit drei Reihen von Mittelstegen,
Fig. 8
die Draufsicht auf das Schneid-Klemm-Anschlußelement gemäß Fig. 7,
Fig. 9
eine Stirnansicht des Schneid-Klemm-Anschlußelementes in der vierten Ausführungsform mit drei Reihen von Mittelstegen,
Fig. 10
die Draufsicht auf das Schneid-Klemm-Anschlußelement gemäß Fig. 9 mit zwei Mittelstegen je Reihe,
Fig. 11
die Draufsicht auf das Schneid-Klemm-Anschlußelement gemäß Fig.9 mit einem Mittelsteg je Reihe,
Fig. 12
eine Stirnansicht des Schneid-Klemm-Anschlußelementes in der fünften Ausführungsform mit Mittelsteg und mit Kontaktstellen an den Seitenwänden,
Fig. 13 bis 15
Draufsichten auf das Schneid-Klemm-Anschlußelement gemäß Fig. 12 in verschiedenen Ausführungsformen,
Fig. 16
eine Stirnansicht des Schneid-Klemm-Anschlußelementes in der sechsten Ausführungsform mit Mittelsteg und Kontaktstellen an den Seitenwänden,
Fig. 17 bis 22
Draufsichten auf das Schneid-Klemm-Anschlußelement gemäß Fig. 16 in verschiedenen Ausführungsformen,
Fig. 23
eine Stirnansicht des Schneid-Klemm-Anschlußelementes mit drei Reihen von Mittelstegen und mit Kontaktstellen an den Seitenwänden,
Fig. 24 und 25
Draufsichten auf das Schneid-Klemm-Anschlußelement gemäß Fig. 23 in verschiedenen Ausführungsformen,
Fig. 26
eine Stirnansicht des Schneid-Klemm-Anschlußelementes in der siebten Ausführungsform mit drei Reihen von Mittelstegen und mit Kontaktstellen an den Seitenwänden und
Fig. 27 bis 29
Draufsichten auf das Schneid-Klemm-Anschlußelement gemäß Fig. 26 in verschiedenen Ausführungsformen.
The invention is explained in more detail below with the aid of several exemplary embodiments of insulation displacement connection elements. Show it:
Fig. 1
3 shows an end view of the insulation displacement connection element in the first embodiment,
Fig. 2
the top view of the insulation displacement connector according to FIG. 1,
Fig. 3
the side view of the insulation displacement connector according to FIG. 1,
Fig. 4
3 shows an end view of the insulation displacement connection element in the second embodiment,
Fig. 5
the top view of the insulation displacement connection element according to Figure 4 with two central webs,
Fig. 6
the top view of the insulation displacement connecting element with a central web,
Fig. 7
3 shows an end view of the insulation displacement connection element in the third embodiment with three rows of central webs,
Fig. 8
the top view of the insulation displacement connector according to FIG. 7,
Fig. 9
3 shows an end view of the insulation displacement connection element in the fourth embodiment with three rows of central webs,
Fig. 10
9 the plan view of the insulation displacement connection element according to FIG. 9 with two central webs per row,
Fig. 11
the top view of the insulation displacement connector according to Figure 9 with a central web per row,
Fig. 12
3 shows an end view of the insulation displacement connection element in the fifth embodiment with a central web and with contact points on the side walls,
13 to 15
Top views of the insulation displacement connection element according to FIG. 12 in various embodiments,
Fig. 16
3 shows an end view of the insulation displacement connection element in the sixth embodiment with a central web and contact points on the side walls,
17 to 22
16 different plan views of the insulation displacement connection element according to FIG. 16,
Fig. 23
an end view of the insulation displacement connecting element with three rows of central webs and with contact points on the side walls,
24 and 25
Top views of the insulation displacement connection element according to FIG. 23 in different embodiments,
Fig. 26
an end view of the insulation displacement connection element in the seventh embodiment with three rows of central webs and with contact points on the side walls and
27 to 29
Top views of the insulation displacement connection element according to FIG. 26 in various embodiments.

In den Fig. 1 bis 3 ist die erste Ausführungsform des Schneid-Klemm-Anschlußelementes 1 dargestellt. Dieses ist als U-förmiges Profilstück 2 aus einem elektrisch leitfähigen metallischen Werkstoff ausgebildet. Das Profilstück 2 weist zwei Seitenwände 4,5 auf, die rechtwinklig von dem Bodenteil 7 abgebogen sind. In der Mittelachse des Bodenteiles 7 sind zwei Mittelstege 3 herausgeschnitten und von der Mitte ausgehend zu den Stirnseiten des Profilstückes 2 rechtwinklig nach oben gebogen. Durch den Freischnitt der Mittelstege 3 und deren Hochbiegen entstehen die Krümmungsradien 13. Die Mittelstege 3 bilden die Anschlußstellen für die elektrischen Leiter 6 , wobei zwischen der Leiter- Mittelachse und den Kontaktstellen 9 ein Winkel von 90° gebildet ist. Die in einem Winkel von etwa 45° an der oberen Kante des Mittelsteges 3 ausgebildeten Einkerbschrägen 8 bewirken ein Einschneiden der eventuell vorhandenen Isolierung am elektrischen Leiter 6. Der Abstand zwischen einer Seitenwand 4,5 und dem Mittelsteg 3 beträgt jeweils etwas weniger als der Durchmesser des anzuschließenden elektrischen Leiters 6, so daß eine feste Klemm-Verbindung und eine gute Kontaktgabe gewährleistet sind. Die Länge des Profilstückes 2 ist frei wählbar. In der Ausführungsform nach den Figuren 1 bis 3 ist das Schneid-Klemm-Anschlußelement 1 für zwei elektrische Leiter 6 ausgebildet, die über jeweils zwei, durch die Mittelstege 3 gebildete Kontaktstellen 9 angeschlossen sind.1 to 3, the first embodiment of the insulation displacement connection element 1 is shown. This is designed as a U-shaped profile piece 2 made of an electrically conductive metallic material. The profile piece 2 has two side walls 4, 5 which are bent at right angles from the base part 7. In the central axis of the base part 7, two central webs 3 are cut out and, starting from the center, are bent upwards at right angles to the end faces of the profile piece 2. The radii of curvature 13 result from the free cutting of the central webs 3 and their upward bending. The central webs 3 form the connection points for the electrical conductors 6, an angle of 90 ° being formed between the central conductor axis and the contact points 9. The notched bevels 8 formed at an angle of approximately 45 ° on the upper edge of the central web 3 cause any insulation on the electrical conductor 6 to be cut. The distance between a side wall 4, 5 and the central web 3 is in each case somewhat less than the diameter of the to be connected electrical conductor 6, so that a firm clamp connection and good contact are guaranteed. The length of the profile piece 2 is freely selectable. In the embodiment according to FIGS. 1 to 3, the insulation displacement connection element 1 is designed for two electrical conductors 6, each of which is connected via two contact points 9 formed by the central webs 3.

Zum Anschluß eines elektrischen Leiters 6, z.B. in Form von Kabeladern der Fernmelde- und Datentechnik, an das Schneid-Klemm-Anschlußelement 1 wird der elektrische Leiter 6 von oben jeweils parallel zwischen einer Seitenwand 4, 5 und den Mittelstegen 3 in das Profilstück 2 eingelegt. Der elektrische Leiter 6 wird jeweils durch die Innenflächen der Seitenwände 4, 5 und die Kontaktflächen der Mittelstege 3 gehalten. Der elektrische Leiter 6 wird mittels eines nicht dargestellten Werkzeuges in den Kontaktschlitz des Schneid-Klemm-Kontaktes 10 eingedrückt, wobei die scharfen Kanten der Stirnflächen der Mittelstege 3, welche die Einkerbkanten 8 bilden, die Isolation des elektrischen Leiters 6 durchschneiden und in den leitenden Kern des elektrischen Leiters 6 eindringen, wodurch eine elektrische Verbindung zwischen dem elektrischen Leiter 6 und den Kontaktstellen 9 des Schneid-Klemm-Anschlußelementes 1 hergestellt ist.To connect an electrical conductor 6, for example in the form of cable wires of telecommunications and data technology, to the insulation displacement connection element 1, the electrical conductor 6 is inserted from above in parallel between a side wall 4, 5 and the central webs 3 in the profile piece 2 . The electrical conductor 6 is held in each case by the inner surfaces of the side walls 4, 5 and the contact surfaces of the central webs 3. The electrical conductor 6 is by means of a not shown Tool pressed into the contact slot of the insulation displacement contact 10, the sharp edges of the end faces of the central webs 3, which form the notched edges 8, cut through the insulation of the electrical conductor 6 and penetrate into the conductive core of the electrical conductor 6, whereby an electrical Connection between the electrical conductor 6 and the contact points 9 of the insulation displacement connection element 1 is made.

Die zweite Ausführungsform des Schneid-Klemm-Anschlußelementes 1 ist in den Figuren 4 bis 6 dargestellt. Diese unterscheidet sich von der ersten Ausführungsform gemäß den Fig. 1 bis 3 nur darin, daß die Mittelstege 3 von den beiden Stirnseiten des Profilstückes 2 aus zur Mitte hin hochgebogen sind (Fig. 5) bzw. der eine Mittelsteg 3 von einer Stirnseite aus zur Mitte hin hochgebogen ist (Fig. 6). Dabei entstehen die Krümmungsradien 13. Bei der Ausführung nach der Fig. 6 ist pro elektrischem Leiter 6 nur eine Kontaktstelle 9 ausgebildet.The second embodiment of the insulation displacement connection element 1 is shown in FIGS. 4 to 6. This differs from the first embodiment according to FIGS. 1 to 3 only in that the central webs 3 are bent up from the two end faces of the profile piece 2 towards the center (FIG. 5) or the one central web 3 from one end face to Is bent up in the middle (Fig. 6). This results in the radii of curvature 13. In the embodiment according to FIG. 6, only one contact point 9 is formed per electrical conductor 6.

Die dritte und vierte Ausführungsform nach den Fig. 7, 8 und 9 bis 11 unterscheiden sich von der ersten und der zweiten Ausführungsform nach den Fig. 1 bis 3 bzw. 4 bis 6 nur durch die Anzahl der ausgebildeten Mittelstege 3. Die hier gewählte Ausführung mit drei Mittelstegen 3 erlaubt es, vier elektrische Leiter 6 mit jeweils zwei bzw. einer Kontaktstelle 9 anzuschließen (Fig. 11). Diese Ausführungsform zeigt, daß es in Abhängigkeit von der gewählten Breite des Bodenteils 7 möglich ist, eine beliebige Anzahl von Anschlußstellen durch Aneinanderreihung der Grundform des Schneid-Klemm-Kontaktelementes 1 entsprechend den Figuren 1 bis 3 bzw. 4 bis 6 zu realisieren.The third and fourth embodiment according to FIGS. 7, 8 and 9 to 11 differ from the first and the second embodiment according to FIGS. 1 to 3 and 4 to 6 only in the number of middle webs 3 formed. The embodiment chosen here With three central webs 3 it is possible to connect four electrical conductors 6, each with two or one contact point 9 (FIG. 11). This embodiment shows that it is possible, depending on the selected width of the base part 7, to implement any number of connection points by lining up the basic shape of the insulation displacement contact element 1 in accordance with FIGS. 1 to 3 or 4 to 6.

In der fünften Ausführungsform nach den Figuren 12 bis 15 sind für jeden elektrischen Leiter 6 vier Kontaktstellen 9 (Fig.14, 15) bzw. drei Kontaktstellen 9 (Fig. 13) vorgesehen. Zusätzlich zu den jeweils zwei Kontaktstellen 9 an den Mittelstegen 3 sind Kontaktstellen 11 aus den Seitenwänden 4,5 des Profilstückes 2 gebildet. Aus den Seitenwänden 4,5 sind Kontaktstreifen 12 freigeschnitten und in unterschiedlichster Ausformung so in den Innenraum des Profilstückes 2 hineingebogen, daß die auf den elektrischen Leiter 6 klemmend wirkenden Kontaktstellen 11 entstehen. Der Winkel zwischen der Längsachse des Schneid-Klemm-Anschlußelementes 1 und den nach innen abgewinkelten Kontaktstreifen 12 ist frei wählbar. Der Winkel zwischen der Mittelachse des jeweiligen elektrischen Leiters 6 und den seitlichen Kontaktstreifen 12 beträgt vorzugsweise 45° bis 90°.In the fifth embodiment according to FIGS. 12 to 15 four contact points 9 (FIGS. 14, 15) or three contact points 9 (FIG. 13) are provided for each electrical conductor 6. In addition to the two contact points 9 on the central webs 3, contact points 11 are formed from the side walls 4, 5 of the profile piece 2. Contact strips 12 are cut free from the side walls 4, 5 and are bent into the interior of the profile piece 2 in a wide variety of shapes such that the contact points 11 acting in a clamping manner on the electrical conductor 6 are formed. The angle between the longitudinal axis of the insulation displacement connection element 1 and the inwardly angled contact strips 12 can be freely selected. The angle between the central axis of the respective electrical conductor 6 and the lateral contact strips 12 is preferably 45 ° to 90 °.

Die Ausführungsformen nach den Figuren 16 bis 22 erlauben den Anschluß von zwei elektrischen Leitern 6 über jeweils vier Kontaktstellen 9,11 (Fig. 17,18), drei Kontaktstellen 9,11 (Fig. 22) oder über jeweils zwei Kontaktstellen 9,11 (Fig. 19,20,21). Die Ausgestaltung der Mittelstege 3 entspricht dabei derjenigen in den Figuren 5,6. Die Ausgestaltung der Kontaktstreifen 12 entspricht derjenigen in den Fig.12 bis 15.The embodiments according to FIGS. 16 to 22 allow the connection of two electrical conductors 6 via four contact points 9, 11 (FIGS. 17, 18), three contact points 9, 11 (FIG. 22) or via two contact points 9, 11 ( Fig. 19, 20, 21). The design of the center webs 3 corresponds to that in FIGS. 5, 6. The design of the contact strips 12 corresponds to that in FIGS. 12 to 15.

Die Ausführungsformen in den Fig. 23 bis 25 und in den Fig.26 bis 29 zeigen Bauformen des Schneid-Klemm-Anschlußelementes 1 für vier elektrische Leiter 6 in der Gestaltung der Mittelstege 3 nach den Figuren 7 und 9 und in der Gestaltung der Kontaktstreifen 12 nach den Figuren 13 bis 15.The embodiments in FIGS. 23 to 25 and in FIGS. 26 to 29 show designs of the insulation displacement connection element 1 for four electrical conductors 6 in the design of the center webs 3 according to FIGS. 7 and 9 and in the design of the contact strips 12 according to FIGS. 13 to 15.

Die einzelnen Ausführungsformen des Mittelsteges 3 und der Kontaktstreifen 12 sind beliebig miteinander kombinierbar und durch Aneinanderreihung der Grundformen nach den Figuren 1, 4, 12, 16 für eine beliebige Anzahl von elektrischen Leitern 6 erweiterbar.The individual embodiments of the central web 3 and the contact strips 12 can be combined with one another as desired and can be expanded for any number of electrical conductors 6 by lining up the basic shapes according to FIGS. 1, 4, 12, 16.

Diese Ausführungsformen können durch eine geeignete Wahl der Höhe des U-Profiles, also der Seitenwände 4,5 des Profilstückes 2, auch zur Doppelkontaktierung an einer Kontaktstelle verwendet werden, wenn die elektrischen Leiter 6 in ihrem Durchmesser nahezu identisch gewählt werden.By a suitable choice of the height of the U-profile, that is to say the side walls 4, 5 of the profile piece 2, these embodiments can also be used for double contacting at a contact point if the diameter of the electrical conductors 6 is chosen to be almost identical.

Das beschriebene Schneid-Klemm-Anschlußelement 1 findet Verwendung als Ader-Verbinder sowohl für blanke als auch isolierte Leiter 6 in Volldraht- oder Litzenform oder zum Verbinden einer gleichen Anzahl von Leitern 6 mit einer Leiterplatte, z.B. als SMD-Kontakt. Der Metall-Durchmesser kann bei Voll-Drähten in Abhängigkeit von der Baugröße ca. 0,3 mm bis ca 1 mm betragen. Das Anschlußelement 1 ist auch in Verbindungsleisten ohne Trenn-Funktion einsetzbar. Das Schneid-Klemm-Anschlußelement 1 ist selbsttragend. Es werden keine zusätzlichen Konstruktionsteile, wie z.B. Gehäuse, Abstützungen od.dgl., als Verstärkung benötigt. Die elektrischen Leiter 6 können entweder vor dem Beschalten auf ihre richtige Länge zugeschnitten werden oder beim Eindrücken durch die Eindrückkraft an einer Metallkante durchgetrennt werden. Diese Kante kann aus dem Kontakt gebogen werden. Es kann auch ein Spezial-Beschaltungswerkzeug dazu verwendet werden.The insulation displacement connection element 1 described is used as a wire connector for both bare and insulated conductors 6 in solid wire or stranded form or for connecting an equal number of conductors 6 to a printed circuit board, e.g. as an SMD contact. The metal diameter of solid wires can be approx. 0.3 mm to approx. 1 mm depending on the size. The connecting element 1 can also be used in connecting strips without a separating function. The insulation displacement connector 1 is self-supporting. No additional construction parts, e.g. Housing, supports or the like, needed as reinforcement. The electrical conductors 6 can either be cut to their correct length before wiring or can be severed by a metal edge during the pressing-in process. This edge can be bent out of the contact. A special wiring tool can also be used.

Claims (11)

  1. A cutting and clamping terminal for contacting electrical conductors, in particular for cable cores of the telecommunication technology, comprising a U-shaped section piece of a U-shaped cross-section and having a cutting and clamping contact, characterised by that the cutting and clamping contact (10) is formed of at least one central web (3) cut free from the bottom portion (7) of the section piece (2), parallely to the side walls (4, 5), and upwardly bent off.
  2. A cutting and clamping terminal according to claim 1, characterised by that the central web (3) is up-wardly bent off, from the centre of the bottom portion (7) towards one of the front sides of the bottom portion (7) of the section piece (2).
  3. A cutting and clamping terminal according to claim 1, characterised by that the central webs (3) are upwardly bent off, from the centre of the bottom portion (7) towards the two front sides of the bottom portion (7) of the section piece (2).
  4. A cutting and clamping terminal according to claim 1, characterised by that the central web (3) is upwardly bent off, from one of the centre front sides towards the centre of the bottom portion (7) of the section piece (2).
  5. A cutting and clamping terminal according to claim 1, characterised by that the central webs (3) are upwardly bent off, from the two front sides towards the centre of the bottom portion (7) of the section piece (2).
  6. A cutting and clamping terminal according to claim 1, characterised by that several central webs (3) are cut free from the bottom portion (7) of the section piece (2), parallely to the side walls (4, 5) and to each other, and are upwardly bent off.
  7. A cutting and clamping terminal according to claim 6, characterised by that the central webs (3) are upwardly bent off, from the centre of the bottom portion (7) towards one of the front sides of the bottom portion (7) of the section piece (2).
  8. A cutting and clamping terminal according to claim 6, characterised by that the central webs (3) are upwardly bent off, from the centre of the bottom portion (7) towards the two front sides of the bottom portion (7) of the section piece (2).
  9. A cutting and clamping terminal according to claim 6, characterised by that the central webs (3) are upwardly bent off, from one front side towards the centre of the bottom portion (7) of the section piece (2).
  10. A cutting and clamping terminal according to claim 6, characterised by that the central webs (3) are upwardly bent off, from both front sides towards the centre of the bottom portion (7) of the section piece (2).
  11. A cutting and clamping terminal according to claims 1 to 10, characterised by that in addition to the cutting and clamping contact (10) formed of at least central web (3), at least two opposed contact strips (12) cut free from the side walls (4, 5) of the section piece (2) and inwardly bent-off between the side walls (4, 5) are provided.
EP93101539A 1992-03-04 1993-02-02 Cutting and clamping terminal Expired - Lifetime EP0558937B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4207369A DE4207369C1 (en) 1992-03-04 1992-03-04
DE4207369 1992-03-04

Publications (2)

Publication Number Publication Date
EP0558937A1 EP0558937A1 (en) 1993-09-08
EP0558937B1 true EP0558937B1 (en) 1996-01-03

Family

ID=6453550

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93101539A Expired - Lifetime EP0558937B1 (en) 1992-03-04 1993-02-02 Cutting and clamping terminal

Country Status (12)

Country Link
US (1) US5330367A (en)
EP (1) EP0558937B1 (en)
AT (1) ATE132659T1 (en)
AU (1) AU662951B2 (en)
BR (1) BR9300726A (en)
DE (2) DE4207369C1 (en)
DK (1) DK0558937T3 (en)
ES (1) ES2082529T3 (en)
GR (1) GR3018968T3 (en)
HK (1) HK54596A (en)
TR (1) TR27680A (en)
ZA (1) ZA931502B (en)

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Publication number Priority date Publication date Assignee Title
JP3066713B2 (en) * 1995-02-09 2000-07-17 矢崎総業株式会社 Crimp joint connector
GB2303500B (en) * 1995-07-14 1999-02-17 Egerton A C Ltd Terminal block
US5691508A (en) * 1995-07-25 1997-11-25 The Whitaker Corporation Enclosure for spliced multiconductor cable
US5606150A (en) * 1995-07-25 1997-02-25 The Whitaker Corporation Enclosure for spliced cable
JP4124760B2 (en) * 2003-12-22 2008-07-23 モレックス インコーポレーテッド Coaxial cable connector and cable holder
DE102004049575B4 (en) 2004-10-12 2018-03-08 Sick Ag Electrical connection element and method for connecting a conductor cable
US7591666B2 (en) * 2006-11-10 2009-09-22 Zierick Manufacturing Corporation Surface mount crimp terminal and method of crimping an insulated conductor therein
US20090117774A1 (en) * 2006-11-10 2009-05-07 Janos Legrady Surface mount crimp terminal and method of crimping an insulated conductor therein
FR3029698B1 (en) * 2014-12-05 2018-03-02 Legrand France ELECTRICAL CONNECTION ELEMENT WITH INSULATING SHEATHING OF AN ELECTRIC WIRE
US9577352B2 (en) 2015-01-29 2017-02-21 Home Depot Product Authority, LLP Electrical connectors and related methods
FR3060215B1 (en) * 2016-12-14 2021-04-23 Legrand France ELECTRICAL CONNECTION ELEMENT WITH INSULATING SHEATH DRILLING WITH AN ELECTRIC WIRE

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US3233206A (en) * 1963-05-31 1966-02-01 Joseph N Sicuro Electrical connector
DE1963313B2 (en) * 1969-12-17 1976-02-12 Siemens AG, 1000 Berlin und 8000 München Solderless terminal tag for bared wires - has spring fingers at one end with gripping hollows to hold two orthogonal wires
US3829827A (en) * 1971-05-28 1974-08-13 Thomson Csf Acoustical holography system for acoustic image conversion
US3829822A (en) * 1971-10-23 1974-08-13 Licentia Gmbh Connecting element for conductors
FR2413804A1 (en) * 1977-12-28 1979-07-27 Souriau & Cie Connector with spring contact fingers at one end - has automatic insulation stripping jaws at other end for gripping inserted wire
GB2028600B (en) * 1978-07-11 1982-10-27 Ferranti Ltd Insulationpiercing contact for an electric connector
GB2075279B (en) * 1980-05-02 1984-02-08 Egerton A C Ltd Terminal connector
US4728298A (en) * 1985-06-20 1988-03-01 Siemens Aktiengesellschaft Contact member
US4840578A (en) * 1986-10-30 1989-06-20 Hirose Electric Co., Ltd. Electrical contact
US4948382A (en) * 1988-12-06 1990-08-14 Amp Incorporated Miniature insulation displacement electrical contact
DE4033366A1 (en) * 1990-10-17 1992-04-23 Krone Ag Insulation displacement connector piece - is made from one single pressed part
DE4102436C2 (en) * 1991-01-28 1996-12-19 Siemens Ag Device for the electrical connection of several lines
DE4108133C2 (en) * 1991-03-13 1994-08-04 Siemens Ag Contact element for insulation displacement contacting of an electrical conductor covered with an insulating jacket

Also Published As

Publication number Publication date
AU662951B2 (en) 1995-09-21
DE59301275D1 (en) 1996-02-15
TR27680A (en) 1995-06-16
AU3285793A (en) 1993-09-09
ZA931502B (en) 1994-09-03
HK54596A (en) 1996-04-03
EP0558937A1 (en) 1993-09-08
DE4207369C1 (en) 1993-07-29
ATE132659T1 (en) 1996-01-15
ES2082529T3 (en) 1996-03-16
DK0558937T3 (en) 1996-02-05
GR3018968T3 (en) 1996-05-31
US5330367A (en) 1994-07-19
BR9300726A (en) 1993-09-08

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