EP0665614B1 - Cutting terminal-contact element - Google Patents

Cutting terminal-contact element Download PDF

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Publication number
EP0665614B1
EP0665614B1 EP94117060A EP94117060A EP0665614B1 EP 0665614 B1 EP0665614 B1 EP 0665614B1 EP 94117060 A EP94117060 A EP 94117060A EP 94117060 A EP94117060 A EP 94117060A EP 0665614 B1 EP0665614 B1 EP 0665614B1
Authority
EP
European Patent Office
Prior art keywords
contact
slot
insulation displacement
contact element
insertion opening
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
EP94117060A
Other languages
German (de)
French (fr)
Other versions
EP0665614A2 (en
EP0665614A3 (en
Inventor
Andrzey 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
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Publication of EP0665614A2 publication Critical patent/EP0665614A2/en
Publication of EP0665614A3 publication Critical patent/EP0665614A3/en
Application granted granted Critical
Publication of EP0665614B1 publication Critical patent/EP0665614B1/en
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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
    • H01R4/242—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 being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • 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 contact element according to the preamble of the claim 1.
  • a insulation displacement contact element of the generic type is from US-A-4 230 391 previously known.
  • the contact element consists of a middle part and a connecting element.
  • the contact element is contacted within a connection field, whereby it Two opposing ear-shaped locking devices on both sides for fastening and mounting having.
  • the connecting element consists of two arms, between which a contact slot is formed. To enlarge the lead-in area Molded ears at the beginning of the slot.
  • the contact slot has inclined ones Cutting edges. These oblique cutting edges are made by the contact legs are bent towards the center after punching. hereby the outer edges of the connecting element also run at an angle.
  • the contact has a relatively high rigidity has, since both outer edges of the connecting element and the contact element have essentially the same width over the entire length and only by the Ears or locking hooks 28 and 30 are interrupted.
  • the locking hooks achieve none Improve the spring properties and only serve as a support.
  • the insulation displacement contact is only suitable for certain wire diameters.
  • a contact element which has a bore, into which the cable wire to be connected is clamped. On the outer edges of the contact slot There are circular incisions due to the shape, but the contact properties do not change the contact element.
  • This Contact element consists of a flat sheet metal blank made of leaf-shaped, springy contact material with parallel outer edges, a window-like Punching out with a self-contained arcuate outer border that runs in parallel Outer edges of the sheet metal blank passes over, and one starting from the window-like cut-out, with an insertion slot provided with mutually facing inner cutting edges, which on the Inside of contact legs are attached, the through a crescent-shaped free cut surrounding it are formed.
  • the window-like cut-out surrounding, self-contained outer border is about a bend line that is above the insertion opening transverse to the axial direction of the contact slot extends by 180 ° to the back of the insulation displacement contact element turned and lies flat on the the crescent-shaped recess around the contact leg around the fork legs.
  • Based on these Training should be the known insulation displacement contact element Have contact legs with several Dodge degrees of freedom of movement or tolerance-compensating the metallic to be clamped Contact the conductors of the lead wires by clamping. It should be directed towards the insertion opening End of the clamping contact leg and on the opposite End of the fork legs each center of bending are formed, around which a resilient Pivoting is possible.
  • the invention is therefore based on the object the spring properties of the generic insulation displacement contact element continue to improve.
  • the invention provides that the parallel to the contact slot outer edges in Area of the wire contact zone of the contact slot are provided with recesses. hereby become better spring properties with the same size of the insulation displacement contact element according to the invention with respect to the previously known insulation displacement contact element reached. It is also possible to same spring properties the size of the invention Insulation displacement contact element opposite to reduce the known insulation displacement contact element, or a spring material as contact material use the poorer spring properties in Compared to the standard material. Through the arrangement of recesses according to the invention Cross sections of the lateral contact legs in the area the wire contact zone smaller, from which smaller Moments of inertia and resistance result and themselves results in a higher deformability. It will be the Contact properties improved by twisting the contact leg and its adjustment different wire diameters are improved. Overall, there is a significant improvement in To achieve spring properties.
  • the features of claim 4 relate to the Formation of an insulation displacement contact element with a U-shaped intersecting with its base slot Slot, which training form a significant improvement the spring properties with respect to a has such insulation displacement contact element whose Outer edges run parallel to each other throughout.
  • the features of claim 5 ensure that when such an insulation displacement contact element installed at an angle in the housing of a terminal block no support forces act on the housing. At the same time, an improvement in bending stresses due to greater stiffness of the insulation displacement contact element in the area of the V-shaped insertion opening reached.
  • the insulation displacement contact element 1 according to that in FIG. 1 shown first embodiment consists of leaf-shaped, springy contact material with a provided with a V-shaped insertion opening 3 Contact slot 2. This has two opposite parallel cutting edges 4 on the inside of the Contact slot 2 limiting contact leg 5.
  • a non-stripped is inserted into the contact slot 2
  • Line wire 6 pressed in, its insulation 8th cut from the cutting edges 4 and its metallic conductor 7 from the contact legs 5 is electrically contacted.
  • the insulation displacement contact element 1 transversely to the longitudinal axis of the lead wire 6 or is arranged at an angle to this is preferably 45 °, with other angles possible are.
  • the preferably parallel to the contact slot 2, however also inclined outer edges 9 of the Insulation displacement contact element 1 are in the area of Contact slot 2 wire contacting zone that is approximately the longitudinal central area of the contact slot 2, provided with recesses 10, the length L about the length 1 of the wire contact zone of the contact slot 2 and their width B approximately the width b of the between the cutouts 10 and the contact slot 2 existing contact material of the contact leg 5 equivalent.
  • the recesses 10 are against each other running inclined surfaces 11 provided on the end sides.
  • the opposite of the V-shaped insertion opening 3 inner end 12 of the contact slot 2 is triangular lateral cutouts 13 provided which the width of the inner end 12 against the width of the Enlarge contact slot 2 and in one of these go over the final semicircle 14.
  • the third embodiment shown in FIG. 3 corresponds in its basic structure to that shown in FIG. 1 first embodiment of the insulation displacement contact element 1.
  • the contact slot 2 is with the inner End 12 is exactly the same, but the V-shaped Insertion opening 3 with radii 19 to outer, upper end of the contact leg 26 rounded.
  • the recesses 10 on the outside of the Contact legs 5 are with radii 20 instead of Inclined surfaces 13 rounded according to FIG. 1.
  • the outer recesses 24 in the form of a curve as a polygon, parabola or the like. formed that the closed on all outer edges Insulation displacement contact element 1 the appearance of a Give hourglass.
  • the contact slot 2 extends between two circularly rounded insertion openings 28. In the embodiment according to FIG. 4 the insertion opening 28 over a wedge-shaped incision area 29 in the contact slot 2 over.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Led Device Packages (AREA)
  • Lead Frames For Integrated Circuits (AREA)
  • Multi-Conductor Connections (AREA)
  • Contacts (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Clamps And Clips (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

The electrical blade contact element is produced as a metal pressing from thin sheet material. The contact is produced with a narrow centre slot (4) that has a width marginally smaller than the diameter of the wire core (7). The general form of the unit is `U' shaped such that the insulated core can be pressed into the slot from the open end. The arms deflect slightly and the insulation is penetrated to make contact with the wire. An alternative version has the end edge, but with sufficient space to insert the wire. A number of variations are possible.

Description

Die Erfindung bezieht sich auf ein Schneidklemm-Kontaktelement gemäß dem Oberbegriff des Patentanspruches 1. The invention relates to an insulation displacement contact element according to the preamble of the claim 1.

Ein Schneidklemm-Kontaktelement der gattungsgemäßen Art ist aus der US-A-4 230 391 vorbekannt. Das Kontaktelement besteht aus einem Mittelteil und einem Anschlußelement. Das Kontaktelement wird innerhalb eines Anschlußfeldes kontaktiert, wobei es beidseitig zur Befestigung und Halterung zwei gegenüberliegende ohrenförmige Rasteinrichtungen aufweist. Das Anschlußelement besteht aus zwei Armen, zwischen denen ein Kontaktschlitz gebildet wird. Zur Vergrößerung des Einführungsbereiches sind am Schlitzanfang Ohren angeformt. Zur gleichmäßigen Kräfteverteilung beim Anschließen von isolierten Kabeladern weist der Kontaktschlitz zueinander schräg verlaufende Schneidkanten auf. Diese schräg verlaufenden Schneidkanten werden hergestellt, indem die Kontaktschenkel nach dem Stanzen zur Mitte hin abgebogen werden. Hierdurch verlaufen auch die Außenkanten des Anschlußelementes unter einen Winkel. Nachteilig bei diesem Schneidklemm-Kontakt ist, daß der Kontakt eine relativ große Steifigkeit aufweist, da beide Außenkanten des Anschlußelementes und des Kontaktelementes über die Gesamtlänge im wesentlichen die gleiche Breite aufweisen und nur durch die Ohren bzw. Rasthaken 28 und 30 unterbrochen werden. Die Rasthaken erzielen keine Verbesserung der Federeigenschaften und dienen nur zur Abstützung. Darüber hinaus ist der Schneidklemm-Kontakt nur für bestimmte Drahtdurchmesser geeignet.A insulation displacement contact element of the generic type is from US-A-4 230 391 previously known. The contact element consists of a middle part and a connecting element. The contact element is contacted within a connection field, whereby it Two opposing ear-shaped locking devices on both sides for fastening and mounting having. The connecting element consists of two arms, between which a contact slot is formed. To enlarge the lead-in area Molded ears at the beginning of the slot. For even distribution of forces when connecting In the case of insulated cable cores, the contact slot has inclined ones Cutting edges. These oblique cutting edges are made by the contact legs are bent towards the center after punching. hereby the outer edges of the connecting element also run at an angle. adversely with this insulation displacement contact is that the contact has a relatively high rigidity has, since both outer edges of the connecting element and the contact element have essentially the same width over the entire length and only by the Ears or locking hooks 28 and 30 are interrupted. The locking hooks achieve none Improve the spring properties and only serve as a support. Furthermore the insulation displacement contact is only suitable for certain wire diameters.

Aus der FR-A-2463523 ist ein Kontaktelement bekannt, welches eine Bohrung aufweist, in die die anzuschließende Kabelader eingeklemmt wird. An den Außenkanten des Kontaktschlitzes ergeben sich formbedingt kreisförmige Einschnitte, die aber die Kontakteigenschaften des Kontaktelement nicht verändern. From FR-A-2463523 a contact element is known which has a bore, into which the cable wire to be connected is clamped. On the outer edges of the contact slot There are circular incisions due to the shape, but the contact properties do not change the contact element.

Ein weiteres Schneidklemm-Kontaktelement ist aus der DE-C-31 16 731 vorbekannt. Dieses Kontaktelement besteht aus einem ebenen Blechzuschnitt aus blattförmigem, federnden Kontaktmaterial mit zueinander parallelen Außenkanten, einer fensterartigen Austanzung mit einer in sich geschlossenen bogenförmigen Außenumrandung, die in die parallelen Außenkanten des Blechzuschnittes übergeht, und einem von der fensterartigen Ausstanzung ausgehenden, mit einer Einführöffnung versehenen Kontaktschlitz mit einander zugekehrten inneren Schneidkanten, die an den Innenseiten von Kontaktschenkeln angebracht sind, die durch einen sichelförmigen, diese umgebenden Freischnitt gebildet sind. Die die fensterartige Ausstanzung umgebende, in sich geschlossene Außenumrandung ist um eine Biegelinie, die sich oberhalb der Einführöffnung quer zur Achsrichtung des Kontaktschlitzes erstreckt, um 180° auf die Rückseite des Schneidklemm-Kontaktelementes abgebogen und liegt plan an den die sichelförmige Ausnehmung um die Kontaktschenkel herum aufnehmenden Gabelschenkeln an. Aufgrund dieser Ausbildung soll das vorbekannte Schneidklemm-Kontaktelement Kontaktschenkel aufweisen, die mit mehreren Freiheitsgraden der Bewegung federnd ausweichen bzw. toleranzausgleichend die einzuklemmenden metallischen Leiter der Leitungdrähte klemmend kontaktieren sollen. Dabei sollen am zur Einführöffnung hin gerichteten Ende der Klemmkontaktschenkel und am entgegengesetzten Ende der Gabelschenkel jeweils Biegezentrumszonen gebildet werden, um welche herum eine federelastische Verschwenkung möglich ist.Another insulation displacement contact element is previously known from DE-C-31 16 731. This Contact element consists of a flat sheet metal blank made of leaf-shaped, springy contact material with parallel outer edges, a window-like Punching out with a self-contained arcuate outer border that runs in parallel Outer edges of the sheet metal blank passes over, and one starting from the window-like cut-out, with an insertion slot provided with mutually facing inner cutting edges, which on the Inside of contact legs are attached, the through a crescent-shaped free cut surrounding it are formed. The window-like cut-out surrounding, self-contained outer border is about a bend line that is above the insertion opening transverse to the axial direction of the contact slot extends by 180 ° to the back of the insulation displacement contact element turned and lies flat on the the crescent-shaped recess around the contact leg around the fork legs. Based on these Training should be the known insulation displacement contact element Have contact legs with several Dodge degrees of freedom of movement or tolerance-compensating the metallic to be clamped Contact the conductors of the lead wires by clamping. It should be directed towards the insertion opening End of the clamping contact leg and on the opposite End of the fork legs each center of bending are formed, around which a resilient Pivoting is possible.

Nachteilig hierbei ist die trotz der Biegezentrumszonen relativ große Steifigkeit des Schneidklemm-Kontaktelementes aufgrund der Doppelwandigkeit durch die um 180° auf die Rückseite des Schneidklemm-Kontaktelementes herumgebogene, die fensterartige Austanzung umgebende, in sich geschlossene Außenumrandung.The disadvantage here is that in spite of the bending center zones relatively high rigidity of the insulation displacement contact element due to the double wall the 180 ° on the back of the insulation displacement contact element bent around, the window-like Punched out, self-contained outer border.

Der Erfindung liegt von daher die Aufgabe zugrunde, die Federeigenschaften des gattungsgemäßen Schneidklemm-Kontaktelementes weiterhin zu verbessern.The invention is therefore based on the object the spring properties of the generic insulation displacement contact element continue to improve.

Zur Lösung dieser Aufgabe sieht die Erfindung vor, daß die zum Kontaktschlitz parallelen Außenkanten im Bereich der Draht-Kontaktierungszone des Kontaktschlitzes mit Aussparungen versehen sind. Hierdurch werden bessere Federeigenschaften bei gleicher Baugröße des erfindungsgemäßen Schneidklemm-Kontaktelementes in Bezug auf das vorbekannte Schneidklemm-Kontaktelement erreicht. Auch ist es möglich, bei gleichen Federeigenschaften die Baugröße des erfindungsgemäßen Schneidklemm-Kontaktelementes gegenüber dem vorbekannten Schneidklemm-Kontaktelement zu verringern, oder einen Federwerkstoff als Kontaktmaterial einzusetzen, der schlechtere Federeigenschaften im Vergleich zum Standard-Werkstoff aufweist. Durch die erfindungsgemäße Anordnung von Aussparungen werden die Querschnitte der seitlichen Kontaktschenkel im Bereich der Draht-Kontaktierungszone kleiner, woraus kleinere Trägheits- und Widerstandsmomente resultieren und sich eine höhere Verformbarkeit ergibt. Es werden somit die Kontakteigenschaften verbessert, indem das Tordieren der Kontaktschenkel und deren Anpassung an unterschiedliche Draht-Durchmesser verbessert sind. Insgesamt ist eine deutliche Verbesserung der Federeigenschaften zu erreichen. To achieve this object, the invention provides that the parallel to the contact slot outer edges in Area of the wire contact zone of the contact slot are provided with recesses. hereby become better spring properties with the same size of the insulation displacement contact element according to the invention with respect to the previously known insulation displacement contact element reached. It is also possible to same spring properties the size of the invention Insulation displacement contact element opposite to reduce the known insulation displacement contact element, or a spring material as contact material use the poorer spring properties in Compared to the standard material. Through the arrangement of recesses according to the invention Cross sections of the lateral contact legs in the area the wire contact zone smaller, from which smaller Moments of inertia and resistance result and themselves results in a higher deformability. It will be the Contact properties improved by twisting the contact leg and its adjustment different wire diameters are improved. Overall, there is a significant improvement in To achieve spring properties.

Weitere vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen. So wird insbesondere durch die Merkmale des Unteranspruches 3 eine deutliche Verbesserung der Federeigenschaften erzielt.Further advantageous embodiments of the invention result from the subclaims. So in particular by the features of subclaim 3 a achieved significant improvement in spring properties.

Die Merkmale des Anspruches 4 beziehen sich auf die Ausbildung eines Schneidklemm-Kontaktelementes mit einem mit seinem Basisschlitz kreuzenden U-förmigen Schlitz, welche Ausbildungform eine deutliche Verbesserung der Federeigenschaften in bezug auf ein solches Schneidklemm-Kontaktelement aufweist, dessen Außenkanten durchgehend parallel zueinander verlaufen.The features of claim 4 relate to the Formation of an insulation displacement contact element with a U-shaped intersecting with its base slot Slot, which training form a significant improvement the spring properties with respect to a has such insulation displacement contact element whose Outer edges run parallel to each other throughout.

Durch die Merkmale des Anspruches 5 wird erreicht, daß dann, wenn ein solches Schneidklemm-Kontaktelement schräg in das Gehäuse einer Anschlußleiste eingebaut ist, keine Abstützkräfte auf das Gehäuse einwirken. Gleichzeitig wird eine Verbesserung der Biegespannungen durch eine größere Steifigkeit des Schneidklemm-Kontaktelementes im Bereich der V-förmigen Einführöffnung erreicht.The features of claim 5 ensure that when such an insulation displacement contact element installed at an angle in the housing of a terminal block no support forces act on the housing. At the same time, an improvement in bending stresses due to greater stiffness of the insulation displacement contact element in the area of the V-shaped insertion opening reached.

Schließlich sehen die Merkmale des Patentansprüches 5 kurvenförmige Aussparungen als Polygon, Parabel od.dgl. vor, und die Einführöffnung des Kontaktschlitzes ist als geschlossene Kreisform ausgebildet.Finally, see the features of claim 5 curved recesses as a polygon, parabola or the like. before, and the insertion opening of the contact slot is designed as a closed circular shape.

Die Erfindung ist nachfolgend anhand von sieben verschiedenen Ausführungsformen von Schneidklemm-Kontaktelementen näher erläutert. Es zeigen:

Fig. 1
die Ansicht der ersten Ausführungsform,
Fig. 2
die Ansicht der gegenüber der ersten Ausführungsform geringfügig modifizierten zweiten Ausführungsform,
Fig. 3
die Ansicht der dritten Ausführungsform,
Fig. 4
die Ansicht der vierten Ausführungsform und
Fig. 5
die Ansicht der gegenüber der vierten Ausführungsform geringfügig modifizierten fünften Ausführungsform.
The invention is explained in more detail below with reference to seven different embodiments of insulation displacement contact elements. Show it:
Fig. 1
the view of the first embodiment,
Fig. 2
the view of the second embodiment slightly modified compared to the first embodiment,
Fig. 3
the view of the third embodiment,
Fig. 4
the view of the fourth embodiment and
Fig. 5
the view of the fifth embodiment slightly modified from the fourth embodiment.

Das Schneidklemm-Kontaktelement 1 gemäß der in Fig. 1 dargestellten ersten Ausführungsform besteht aus blattförmigem, federnden Kontaktmaterial mit einem, mit einer V-förmigen Einführöffnung 3 versehenen Kontaktschlitz 2. Dieser weist zwei gegenüberliegende parallele Schneidkanten 4 auf den Innenseiten der den Kontaktschlitz 2 begrenzenden Kontaktschenkel 5 auf. The insulation displacement contact element 1 according to that in FIG. 1 shown first embodiment consists of leaf-shaped, springy contact material with a provided with a V-shaped insertion opening 3 Contact slot 2. This has two opposite parallel cutting edges 4 on the inside of the Contact slot 2 limiting contact leg 5.

In den Kontaktschlitz 2 wird ein nicht abisolierter Leitungsdraht 6 eingedrückt, wobei dessen Isolierung 8 von den Schneidkanten 4 eingeschnitten und dessen metallischer Leiter 7 von den Kontaktschenkeln 5 elektrisch kontaktiert wird. Üblicherweise ist ein solches Schneidklemm-Kontaktelement 1 in ein nicht näher dargestelltes Gehäuse einer Anschlußleiste aus Kunststoff eingesetzt, wobei das Schneidklemm-Kontaktelement 1 quer zur Längsachse des Leitungsdrahtes 6 oder unter einem Winkel zu diesem angeordnet ist, der vorzugsweise 45° beträgt, wobei auch andere Winkel möglich sind.A non-stripped is inserted into the contact slot 2 Line wire 6 pressed in, its insulation 8th cut from the cutting edges 4 and its metallic conductor 7 from the contact legs 5 is electrically contacted. Usually is a such insulation displacement contact element 1 in a not housing of a terminal block shown in more detail Plastic used, the insulation displacement contact element 1 transversely to the longitudinal axis of the lead wire 6 or is arranged at an angle to this is preferably 45 °, with other angles possible are.

Die zum Kontaktschlitz 2 vorzugsweise parallelen, aber auch schräg zueinander verlaufenden Außenkanten 9 des Schneidklemm-Kontaktelementes 1 sind im Bereich der Draht-Kontaktierungszone des Kontaktschlitzes 2, das ist etwa der Längsmittelbereich des Kontaktschlitzes 2, mit Aussparungen 10 versehen, deren Länge L etwa der Länge 1 der Draht-Kontaktierungszone des Kontaktschlitzes 2 und deren Breite B etwa der Breite b des zwischen den Aussparungen 10 und dem Kontaktschlitz 2 vorhandenen Kontaktmaterials der Kontaktschenkel 5 entspricht. Die Aussparungen 10 sind mit gegeneinander laufenden Schrägflächen 11 an den Endseiten versehen.The preferably parallel to the contact slot 2, however also inclined outer edges 9 of the Insulation displacement contact element 1 are in the area of Contact slot 2 wire contacting zone that is approximately the longitudinal central area of the contact slot 2, provided with recesses 10, the length L about the length 1 of the wire contact zone of the contact slot 2 and their width B approximately the width b of the between the cutouts 10 and the contact slot 2 existing contact material of the contact leg 5 equivalent. The recesses 10 are against each other running inclined surfaces 11 provided on the end sides.

Das der V-förmigen Einführöffnung 3 entgegengesetzte innere Ende 12 des Kontaktschlitzes 2 ist mit dreieckförmigen seitlichen Freischnitten 13 versehen, welche die Weite des inneren Endes 12 gegenüber der Weite des Kontaktschlitzes 2 vergrößern und in einen diesen abschließenden Halbkreis 14 übergehen. The opposite of the V-shaped insertion opening 3 inner end 12 of the contact slot 2 is triangular lateral cutouts 13 provided which the width of the inner end 12 against the width of the Enlarge contact slot 2 and in one of these go over the final semicircle 14.

Durch die seitlichen Aussparungen 10, die im wesentlichen im Längsmittelbereich des Kontaktschlitzes 2 durchgehend angeordnet sind, und durch die dreieckförmigen Freischnitte 13 sowie den Halbkreis 14 am inneren Ende 12 des Kontaktschlitzes 2 wird eine verbesserte Federung im Kontaktbereich erreicht. Bei der Kontaktierung von zwei Leitungsdrähten 8 hintereinander in einem Kontaktschlitz 2 bestehen bessere Eigenschaften bezüglich der Doppelkontaktierung. Die Kontakteigenschaften werden hinsichtlich ihrer Federeigenschaften zusätzlich verbessert, indem das Tordieren der Kontaktschenkel 5 und eine Anpassung an unterschiedliche Durchmesser von Leitungsdrähten 6 verbessert sind. Insgesamt ist eine deutliche Verbesserung der Federeigenschaften festzustellen.Through the side recesses 10, which are essentially in the longitudinal central region of the contact slot 2 are arranged continuously, and by the triangular Cutouts 13 and the semicircle 14 am inner end 12 of the contact slot 2 is a improved suspension in the contact area. at the contacting of two lead wires 8 in a row in a contact slot 2 there are better Double contact properties. The Contact properties are in terms of their spring properties additionally improved by twisting the contact leg 5 and an adaptation to different Improved diameter of lead wires 6 are. Overall, there is a significant improvement the spring properties.

Bei der in Fig. 2 gezeigten zweiten Ausführungsform sind die freien, oberen Enden der Kontaktschenkel 5 oberhalb der V-förmig ausgebildeten Einführöffnung 3 mittels eines bügelartigen Steges 15 miteinander verbunden, der eine geschlossene V-förmige Einführöffnung 23 einschließt. Hierdurch wird die Steifigkeit des Schneidklemm-Kontaktelementes 1 verbessert. Bei einem Einbau unter einem anderen Winkel als 90° zur Längsachse eines Leitungsdrahtes 6 in einer Anschlußleiste greifen keine Abstützkräfte am Gehäuse an und es wird eine bessere Aufnahme von Biegespannungen ermöglicht. In the second embodiment shown in FIG. 2 are the free, upper ends of the contact legs 5 above the V-shaped insertion opening 3 connected to each other by means of a bow-like web 15, which is a closed V-shaped insertion opening 23 includes. This will increase the rigidity of the IDC contact element 1 improved. At a Installation at an angle other than 90 ° to the longitudinal axis a lead wire 6 in a terminal block no support forces attack the housing and it will enables better absorption of bending stresses.

Die in Fig. 3 dargestellte dritte Ausführungsform entspricht im Grundaufbau der in Fig. 1 dargestellten ersten Ausführungsform des Schneidklemm-Kontaktelementes 1. Der Kontaktschlitz 2 ist mit dem inneren Ende 12 genau gleich ausgebildet, jedoch ist die V-förmige Einführöffnung 3 mit Radien 19 bis zum äußeren, oberen Ende der Kontaktschenkel 26 ausgerundet. Die Aussparungen 10 auf den Außenseiten der Kontaktschenkel 5 sind mit Radien 20 anstelle der Schrägflächen 13 nach Fig. 1 ausgerundet. Ferner ist die in Fig.3 links dargestellte Ecke zwischen der linken Außenkante 9 und der unteren Außenkante 22 mit einem großen Radius 21 ausgerundet. Alle diese baulichen Veränderungen tragen zur Verbesserung der Federeigenschaften des Schneidklemm-Kontaktelementes 1 bei.The third embodiment shown in FIG. 3 corresponds in its basic structure to that shown in FIG. 1 first embodiment of the insulation displacement contact element 1. The contact slot 2 is with the inner End 12 is exactly the same, but the V-shaped Insertion opening 3 with radii 19 to outer, upper end of the contact leg 26 rounded. The recesses 10 on the outside of the Contact legs 5 are with radii 20 instead of Inclined surfaces 13 rounded according to FIG. 1. Further is the corner shown in Fig.3 on the left between the left outer edge 9 and the lower outer edge 22 with rounded a large radius 21. All of these structural Changes help to improve the spring properties the insulation displacement contact element 1 at.

Bei der in den Figuren 4 und 5 dargestellten vierten bzw. fünften Ausführungsform sind die äußeren Aussparungen 24 in Kurvenform als Polygon, Parabel o.dgl. ausgeformt, die dem an allen äußeren Kanten geschlossenen Schneidklemm-Kontaktelement 1 das Aussehen einer Sanduhr verleihen. Der Kontaktschlitz 2 erstreckt sich zwischen zwei kreisbogenförmig ausgerundeten Einführöffnungen 28. Bei der Ausführungsform nach Fig. 4 geht die Einführöffnung 28 über einen keilförmigen Einschneidebereich 29 in den Kontaktschlitz 2 über.In the fourth shown in Figures 4 and 5 and fifth embodiment are the outer recesses 24 in the form of a curve as a polygon, parabola or the like. formed that the closed on all outer edges Insulation displacement contact element 1 the appearance of a Give hourglass. The contact slot 2 extends between two circularly rounded insertion openings 28. In the embodiment according to FIG. 4 the insertion opening 28 over a wedge-shaped incision area 29 in the contact slot 2 over.

Claims (5)

  1. Insulation displacement contact element composed of blade-type, resilient contact material having two contact limbs, having parallel outer edges (9), and, having a contact slot (2) which is provided with an insertion opening and is bounded by two opposite parallel cutting edges (4) on the insides of the contact limbs (5), for connection of an insulated cable core,
    characterized
    in that the outer edges (9) which are essentially parallel to the contact slot (2) are provided in the region of the wire contact-making zone of the contact slot (2) with cutouts (10, 24) whose length (L) corresponds to the length (l) of the wire contact-making zone of the contact slot (2) and whose width (B) corresponds to the width (b) of the contact material of the contact limbs (5) which is present between the cutouts (10) and the contact slot (2), in which case the cutouts (10) are provided with inclined surfaces (11), which run towards one another, on the end faces, whose lengths are less than the length (L, l) of the cutout (10).
  2. Insulation displacement contact element according to Claim 1, characterized in that the inner end (12) opposite the insertion opening (3) of the contact slot (2) is provided with triangular, side cutout areas (13) which increase the width of the base (16) relative to the width of the contact slot (2), and with a semicircle (14) terminating the inner end (12).
  3. Insulation displacement contact element according to one of Claims 1 and 2, characterized in that the insertion opening (3) is designed to be V-shaped, and the free ends of the contact slot limbs (5, 25) are connected to each other in the area of the insertion opening (3) by means of a bracket-type web (15).
  4. Insulation displacement contact element according to Claim 1, characterized in that the cutouts (24) are designed in the form of a curve at the outer edges (9) as a polygon, parabola or the like.
  5. Insulation displacement contact element according to Claim 4, characterized in that the insertion opening (28) of the contact slot (2) is in the form of a closed circle.
EP94117060A 1994-01-31 1994-10-28 Cutting terminal-contact element Expired - Lifetime EP0665614B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4403278A DE4403278C2 (en) 1994-01-31 1994-01-31 IDC contact element
DE4403278 1994-01-31

Publications (3)

Publication Number Publication Date
EP0665614A2 EP0665614A2 (en) 1995-08-02
EP0665614A3 EP0665614A3 (en) 1997-03-05
EP0665614B1 true EP0665614B1 (en) 2000-04-19

Family

ID=6509362

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94117060A Expired - Lifetime EP0665614B1 (en) 1994-01-31 1994-10-28 Cutting terminal-contact element

Country Status (24)

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US (1) US5685733A (en)
EP (1) EP0665614B1 (en)
JP (1) JPH07226236A (en)
KR (1) KR100228602B1 (en)
CN (1) CN1041257C (en)
AT (1) ATE191995T1 (en)
AU (1) AU680947B2 (en)
BR (1) BR9500288A (en)
CA (1) CA2141120A1 (en)
CO (1) CO4340663A1 (en)
DE (2) DE4403278C2 (en)
DK (1) DK0665614T3 (en)
EG (1) EG20751A (en)
ES (1) ES2145799T3 (en)
GR (1) GR3033825T3 (en)
MY (1) MY131721A (en)
PE (1) PE39495A1 (en)
PH (1) PH31358A (en)
PL (1) PL176179B1 (en)
PT (1) PT665614E (en)
RU (1) RU2137270C1 (en)
TW (1) TW371816B (en)
UA (1) UA27919C2 (en)
ZA (1) ZA948678B (en)

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JPWO2013054908A1 (en) * 2011-10-14 2015-03-30 オムロン株式会社 Terminal
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Also Published As

Publication number Publication date
DE59409296D1 (en) 2000-05-25
PL176179B1 (en) 1999-04-30
ES2145799T3 (en) 2000-07-16
DK0665614T3 (en) 2000-08-14
CO4340663A1 (en) 1996-07-30
BR9500288A (en) 1995-10-17
EG20751A (en) 2000-01-31
GR3033825T3 (en) 2000-10-31
TW371816B (en) 1999-10-11
PT665614E (en) 2000-08-31
RU95101049A (en) 1997-03-10
MY131721A (en) 2007-08-30
PH31358A (en) 1998-07-31
US5685733A (en) 1997-11-11
KR950034900A (en) 1995-12-28
JPH07226236A (en) 1995-08-22
CA2141120A1 (en) 1995-08-01
KR100228602B1 (en) 1999-11-01
DE4403278A1 (en) 1995-08-31
CN1126384A (en) 1996-07-10
ZA948678B (en) 1995-07-04
DE4403278C2 (en) 1997-12-04
AU7757794A (en) 1995-08-10
ATE191995T1 (en) 2000-05-15
PE39495A1 (en) 1995-12-04
UA27919C2 (en) 2000-10-16
EP0665614A2 (en) 1995-08-02
CN1041257C (en) 1998-12-16
RU2137270C1 (en) 1999-09-10
EP0665614A3 (en) 1997-03-05
PL306973A1 (en) 1995-08-07
AU680947B2 (en) 1997-08-14

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