EP0856911A1 - Multipole terminal block - Google Patents

Multipole terminal block Download PDF

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Publication number
EP0856911A1
EP0856911A1 EP98100430A EP98100430A EP0856911A1 EP 0856911 A1 EP0856911 A1 EP 0856911A1 EP 98100430 A EP98100430 A EP 98100430A EP 98100430 A EP98100430 A EP 98100430A EP 0856911 A1 EP0856911 A1 EP 0856911A1
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EP
European Patent Office
Prior art keywords
insulation displacement
channels
displacement contacts
contact
lower block
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.)
Withdrawn
Application number
EP98100430A
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German (de)
French (fr)
Inventor
Dieter Jaag
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.)
Ria Electronic Albert Metz
Original Assignee
Ria Electronic Albert Metz
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 Ria Electronic Albert Metz filed Critical Ria Electronic Albert Metz
Publication of EP0856911A1 publication Critical patent/EP0856911A1/en
Withdrawn legal-status Critical Current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
    • 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
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks

Definitions

  • the invention relates to a multi-pole terminal for Electrical conductors according to the preamble of claim 1.
  • Terminals of this type allow a simple and quick connection of several electrical conductors, e.g. B. the Cores of a multi-core cable.
  • B. the Cores of a multi-core cable.
  • the insulation displacement contacts have an axial slotted front end with which they are on the ladder are pushed, the mutually facing cutting edges of the slotted end penetrate the insulation of the conductor and to create good contact in the peripheral surface of the conductor.
  • the insulation displacement contacts penetrate the insulation and must be able to be pressed into the metallic conductor the insulation displacement contacts exerted a certain axial force will. If there are several with a multi-pole terminal electrical conductors connected, so add up transferred the upper block to the individual insulation displacement contacts Powers. This makes contact difficult and there must be considerable force exerted on the upper block be in turn through the lower block and its attachment must be included.
  • the invention has for its object a multi-pole To improve the terminal of the type mentioned at the beginning that even with a larger number of Poles contacting by means of the insulation displacement contacts without greater force the upper block can be executed.
  • this object is achieved by a multipole Terminal with the characteristics of the characteristic Part of claim 1.
  • the basic idea of the invention is the insulation displacement contacts the length of the upper block to dimension.
  • the top block and when the insulation displacement contacts penetrate into the contact channels not all insulation displacement contacts of the lower block engaged with the assigned conductors simultaneously. It is therefore not necessary to apply the force to the Cut insulation of all conductors at the same time and the corresponding insulation displacement contacts in the conductor indentation. Cutting through the insulation and indenting the insulation displacement contacts in the conductors are rather made only one at a time lower number of insulation displacement contacts.
  • the one on the top Block to be exerted and the force to be absorbed by the lower block Pressure are therefore compared to known terminals significantly reduced.
  • the insulation displacement contacts of the upper block divided into two groups the Insulation displacement contacts in each group among themselves in the Match length, halve the one to be used Force and the pressure to be absorbed.
  • the terminal consists of a lower block 10 and an upper block 12, both of which are made of plastic.
  • the both blocks 10 and 12 are essentially congruent stackable. In the drawing, the lower block 10 broken open on the left to the inner Make the structure clear.
  • the lower block 10 has receiving channels 14, which of the front end face of the block 10 starting vertically in the Insert block 10.
  • the receiving channels 14 have one circular cross section and are arranged in two rows. In a lower row there are eight recording channels 14 in the same mutual distance arranged side by side. About this lower row is an upper one at a vertical distance a Row of receiving channels 14 arranged, in which also eight receiving channels 14 arranged at the same mutual distance are.
  • the receiving channels 14 are the top row compared to the receiving channels 14 of the lower row by one half the spacing is staggered.
  • the recording channels 14 are used to insert electrical conductors 16, e.g. B. of insulated wires of a multi-core cable.
  • the contact channels 18 are arranged in two rows which in Axial direction of the receiving channels 14 spaced apart are.
  • the contact channels 18 of the front row are arranged that they perpendicular to the receiving channels 14 of the top row to cut.
  • the contact channels 18 of the rear row are like this arranged that they the receiving channels 14 of the lower row cut vertically. This way every recording channel 14 assigned a contact channel 18.
  • the contact channels 18 have rectangular cross-section, with their cross-sectional area under 45 ° to the axial direction of the receiving channels 14 is arranged.
  • insulation displacement contacts 20 are cast.
  • the insulation displacement contacts 20 protrude downward from the lower block 10 facing the bottom of the upper block 12 in front.
  • Solder connections 22 of the insulation displacement contacts 20 protrude the top of the upper block 12 out.
  • the insulation displacement contacts 20 are at their free in a manner known per se axially slotted lower end so that facing each other Cutting edges are formed.
  • the insulation displacement contacts 20 correspond in its cross section the cross section of the contact channels 18 and are in the same way at 45 ° with respect to the Axial direction of the receiving channels 14 arranged.
  • the insulation displacement contacts 20 still correspond in number and in their arrangement of the number and arrangement of the contact channels 18. If the upper bolt 12 is from above onto the lower block 10 put on, as indicated in the drawing by an arrow is, the insulation displacement contacts 20 penetrate into the Contact channels 18 of the lower block 10.
  • the insulation displacement contacts have 20 of the front row and the insulation displacement contacts 20 of the back row the same with each other axial length.
  • the length of the cutting contacts 20 of the rear Row and the front row are dimensioned so that in the projection onto the front face (that of the Representation of Fig. 2 corresponds) to the free ends of the IDC contacts 20 of the front row by a distance b opposite the free ends of the insulation displacement contacts 20 of the rear row are offset. This distance b is smaller than the vertical distance a between the two rows of the recording channels 14.
  • the upper block 12 is placed on the lower block 10 and penetrate the insulation displacement contacts 20 into the contact channels 18 of the lower block 10, the insulation displacement contacts first come 20 of the front row engaged with the conductors 16 in the upper row of the receiving channels 14, as shown in the drawing is indicated by dashed lines on the left.
  • the insulation displacement contacts 20 of the front row are then assigned to the associated Conductor 16 pressed, the slot of the insulation displacement contacts 20 includes the respective conductor 16, which by the slot formed cutting edges the insulation of the conductor Cut through 16 and into the outer surface of the conductor Push in 16. In this process, the free ends have of the insulation displacement contacts 20 of the rear row, the conductors 16 not yet reached in the lower row of the receiving channels 14.

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  • Multi-Conductor Connections (AREA)

Abstract

Es wird eine mehrpolige Anschlußklemme für elektrische Leiter beschrieben, bei welcher die Leiter (16) in Aufnahmekanäle (14) eines unteren Blockes (10) eingeführt werden und durch Schneidklemmkontakte (20) kontaktiert werden, die in einem oberen Block (12) angeordnet sind und in die Aufnahmekanäle (14) schneidende Kontaktkanäle (18) eindringen. Die Schneidklemmkontakte (20) sind in ihrer Länge unterschiedlich dimensioniert, so daß nicht sämtliche Schneidklemmkontakte (20) gleichzeitig die zugeordneten Leiter (16) kontaktieren. <IMAGE>A multi-pole terminal for electrical conductors is described, in which the conductors (16) are inserted into receiving channels (14) of a lower block (10) and contacted by insulation displacement contacts (20) which are arranged in an upper block (12) and penetrate into the receiving channels (14) intersecting contact channels (18). The length of the insulation displacement contacts (20) is different, so that not all insulation displacement contacts (20) contact the assigned conductors (16) at the same time. <IMAGE>

Description

Die Erfindung betrifft eine mehrpolige Anschlußklemme für elektrische Leiter gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a multi-pole terminal for Electrical conductors according to the preamble of claim 1.

Anschlußklemmen dieser Gattung ermöglichen ein einfaches und schnelles Anschließen mehrerer elektrischer Leiter, z. B. der Adern eines mehradrigen Kabels. Hierzu werden die einzelnen Leiter in Aufnahmekanäle eines unteren Blockes eingesetzt und anschließend wird ein oberer Block auf diesen unteren Block aufgesetzt, wobei in dem oberen Block angeordnete Schneidklemmkontakte geführt in Kontaktkanäle des unteren Blockes eindringen und die in dessen Aufnahmekanäle eingeführten Leiter kontaktieren. Die Schneidklemmkontakte weisen ein axial geschlitztes vorderes Ende auf, mit welchem sie auf die Leiter geschoben werden, wobei die einander zugewandten Schneidkanten des geschlitzten Endes die Isolierung des Leiters durchdringen und zur Erzeugung eines guten Kontaktes in die Umfangfläche des Leiters eingedrückt werden.Terminals of this type allow a simple and quick connection of several electrical conductors, e.g. B. the Cores of a multi-core cable. For this, the individual Conductor inserted in receiving channels of a lower block and then an upper block on this lower block attached, with insulation displacement contacts arranged in the upper block led into contact channels of the lower block penetrate and the conductors inserted into its receiving channels to contact. The insulation displacement contacts have an axial slotted front end with which they are on the ladder are pushed, the mutually facing cutting edges of the slotted end penetrate the insulation of the conductor and to create good contact in the peripheral surface of the conductor.

Damit die Schneidklemmkontakte die Isolierung durchdringen und in den metallischen Leiter eingedrückt werden können, muß auf die Schneidklemmkontakte eine gewisse axiale Kraft ausgeübt werden. Werden bei einer mehrpoligen Anschlußklemme mehrere elektrische Leiter angeschlossen, so addieren sich die über den oberen Block auf die einzelnen Schneidklemmkontakte übertragenen Kräfte. Dadurch wird das Kontaktieren erschwert und es muß eine erhebliche Kraft auf den oberen Block ausgeübt werden, die wiederum durch den unteren Block und dessen Befestigung aufgenommen werden muß.So that the insulation displacement contacts penetrate the insulation and must be able to be pressed into the metallic conductor the insulation displacement contacts exerted a certain axial force will. If there are several with a multi-pole terminal electrical conductors connected, so add up transferred the upper block to the individual insulation displacement contacts Powers. This makes contact difficult and there must be considerable force exerted on the upper block be in turn through the lower block and its attachment must be included.

Der Erfindung liegt die Aufgabe zugrunde, eine mehrpolige Anschlußklemme der eingangs genannten Gattung so zu verbessern, daß auch bei einer größeren Anzahl von Polen das Kontaktieren mittels der Schneidklemmkontakte ohne größere Kraft auf den oberen Block ausgeführt werden kann.The invention has for its object a multi-pole To improve the terminal of the type mentioned at the beginning that even with a larger number of Poles contacting by means of the insulation displacement contacts without greater force the upper block can be executed.

Diese Aufgabe wird erfindungsgemäß gelöst durch eine mehrpolige Anschlußklemme mit den Merkmalen des kennzeichnenden Teiles des Anspruchs 1.According to the invention, this object is achieved by a multipole Terminal with the characteristics of the characteristic Part of claim 1.

Vorteilhafte Ausführungen und Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben.Advantageous embodiments and developments of the invention are specified in the subclaims.

Der Grundgedanke der Erfindung besteht darin, die Schneidklemmkontakte des oberen Blockes in ihrer Länge unterschiedlich zu dimensionieren. Beim Aufsetzen des oberen Blockes und beim Eindringen der Schneidklemmkontakte in die Kontaktkanäle des unteren Blockes kommen dadurch nicht alle Schneidklemmkontakte gleichzeitig mit den zugeordneten Leitern in Eingriff. Es muß daher nicht die Kraft aufgebracht werden, um die Isolierung sämtlicher Leiter gleichzeitig zu durchschneiden und die entsprechenden Schneidklemmkontakte in den Leiter einzudrücken. Das Durchschneiden der Isolierung und das Eindrücken der Schneidklemmkontakte in die Leiter erfolgt vielmehr schrittweise aufeinanderfolgend jeweils nur für eine geringere Anzahl von Schneidklemmkontakten. Die auf den oberen Block auszuübende Kraft und der von dem unteren Block aufzunehmende Druck sind daher gegenüber bekannten Anschlußklemmen erheblich reduziert. Sind beispielsweise die Schneidklemmkontakte des oberen Blockes in zwei Gruppen geteilt, wobei die Schneidklemmkontakte in jeder Gruppe untereinander in der Länge übereinstimmen, so halbieren sich die aufzuwendende Kraft und der aufzunehmende Druck.The basic idea of the invention is the insulation displacement contacts the length of the upper block to dimension. When putting on the top block and when the insulation displacement contacts penetrate into the contact channels not all insulation displacement contacts of the lower block engaged with the assigned conductors simultaneously. It is therefore not necessary to apply the force to the Cut insulation of all conductors at the same time and the corresponding insulation displacement contacts in the conductor indentation. Cutting through the insulation and indenting the insulation displacement contacts in the conductors are rather made only one at a time lower number of insulation displacement contacts. The one on the top Block to be exerted and the force to be absorbed by the lower block Pressure are therefore compared to known terminals significantly reduced. Are, for example, the insulation displacement contacts of the upper block divided into two groups, the Insulation displacement contacts in each group among themselves in the Match length, halve the one to be used Force and the pressure to be absorbed.

Im folgenden wird die Erfindung anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. Es zeigen

Fig. 1
die Anschlußklemme in perspektivischer Darstellung;
Fig. 2
die Anschlußklemme in einer Stirnansicht.
The invention is explained in more detail below with reference to an embodiment shown in the drawing. Show it
Fig. 1
the terminal in perspective;
Fig. 2
the terminal in a front view.

Die Anschlußklemme besteht aus einem unteren Block 10 und einem oberen Block 12, die beide aus Kunststoff bestehen. Die beiden Blöcke 10 und 12 sind im wesentlichen deckungsgleich aufeinandersetzbar. In der zeichnerischen Darstellung ist der untere Block 10 an der linken Seite aufgebrochen, um den inneren Aufbau deutlich zu machen.The terminal consists of a lower block 10 and an upper block 12, both of which are made of plastic. The both blocks 10 and 12 are essentially congruent stackable. In the drawing, the lower block 10 broken open on the left to the inner Make the structure clear.

Der untere Block 10 weist Aufnahmekanäle 14 auf, die von der vorderen Stirnfläche des Blockes 10 ausgehend senkrecht in den Block 10 hineinführen. Die Aufnahmekanäle 14 haben einen kreisförmigen Querschnitt und sind in zwei Reihen angeordnet. In einer unteren Reihe sind acht Aufnahmekanäle 14 in gleichem gegenseitigem Abstand nebeneinander angeordnet. Über dieser unteren Reihe ist in einem vertikalen Abstand a eine obere Reihe von Aufnahmekanälen 14 angeordnet, in welcher ebenfalls acht Aufnahmekanäle 14 in gleichem gegenseitigem Abstand angeordnet sind. Die Aufnahmekanäle 14 der oberen Reihe sind gegenüber den Aufnahmekanälen 14 der unteren Reihe um eine halbe Abstandsteilung auf Lücke versetzt angeordnet. Die Aufnahmekanäle 14 dienen zum Einführen von elektrischen Leitern 16, z. B. von isolierten Adern eines mehradrigen Kabels.The lower block 10 has receiving channels 14, which of the front end face of the block 10 starting vertically in the Insert block 10. The receiving channels 14 have one circular cross section and are arranged in two rows. In a lower row there are eight recording channels 14 in the same mutual distance arranged side by side. About this lower row is an upper one at a vertical distance a Row of receiving channels 14 arranged, in which also eight receiving channels 14 arranged at the same mutual distance are. The receiving channels 14 are the top row compared to the receiving channels 14 of the lower row by one half the spacing is staggered. The recording channels 14 are used to insert electrical conductors 16, e.g. B. of insulated wires of a multi-core cable.

Von der dem oberen Block 12 zugekehrten Oberseite des unteren Blockes 10 führen Kontaktkanäle 18 in den unteren Block 10. Die Kontaktkanäle 18 sind in zwei Reihen angeordnet, die in Axialrichtung der Aufnahmekanäle 14 gegeneinander beabstandet sind. Die Kontaktkanäle 18 der vorderen Reihe sind so angeordnet, daß sie die Aufnahmekanäle 14 der oberen Reihe senkrecht schneiden. Die Kontaktkanäle 18 der hinteren Reihe sind so angeordnet, daß sie die Aufnahmekanäle 14 der unteren Reihe senkrecht schneiden. Auf diese Weise ist jedem Aufnahmekanal 14 ein Kontaktkanal 18 zugeordnet. Die Kontaktkanäle 18 haben rechteckigen Querschnitt, wobei ihre Querschnittsfläche unter 45° zur Achsrichtung der Aufnahmekanäle 14 angeordnet ist.From the top of the lower block 12 facing the lower Block 10 lead contact channels 18 into the lower block 10. The contact channels 18 are arranged in two rows which in Axial direction of the receiving channels 14 spaced apart are. The contact channels 18 of the front row are arranged that they perpendicular to the receiving channels 14 of the top row to cut. The contact channels 18 of the rear row are like this arranged that they the receiving channels 14 of the lower row cut vertically. This way every recording channel 14 assigned a contact channel 18. The contact channels 18 have rectangular cross-section, with their cross-sectional area under 45 ° to the axial direction of the receiving channels 14 is arranged.

In den oberen Block 12 sind Schneidklemmkontakte 20 eingegossen. Die Schneidklemmkontakte 20 ragen nach unten aus der dem unteren Block 10 zugewandten Unterseite des oberen Blockes 12 vor. Lötanschlüsse 22 der Schneidklemmkontakte 20 ragen aus der Oberseite des oberen Blockes 12 heraus. Die Schneidklemmkontakte 20 sind in an sich bekannter Weise an ihrem freien unteren Ende axial geschlitzt, so daß einander zugekehrte Schneidkanten gebildet sind. Die Schneidklemmkontakte 20 entsprechen in ihrem Querschnitt dem Querschnitt der Kontaktkanäle 18 und sind in gleicher Weise unter 45° in bezug auf die Achsrichtung der Aufnahmekanäle 14 angeordnet. Die Schneidklemmkontakte 20 entsprechen weiterhin in ihrer Anzahl und in ihrer Anordnung der Anzahl und der Anordnung der Kontaktkanäle 18. Wird der obere Bolck 12 von oben auf den unteren Block 10 aufgesetzt, wie dies in der Zeichnung durch einen Pfeil angedeutet ist, so dringen die Schneidklemmkontakte 20 in die Kontaktkanäle 18 des unteren Blockes 10 ein.In the upper block 12 insulation displacement contacts 20 are cast. The insulation displacement contacts 20 protrude downward from the lower block 10 facing the bottom of the upper block 12 in front. Solder connections 22 of the insulation displacement contacts 20 protrude the top of the upper block 12 out. The insulation displacement contacts 20 are at their free in a manner known per se axially slotted lower end so that facing each other Cutting edges are formed. The insulation displacement contacts 20 correspond in its cross section the cross section of the contact channels 18 and are in the same way at 45 ° with respect to the Axial direction of the receiving channels 14 arranged. The insulation displacement contacts 20 still correspond in number and in their arrangement of the number and arrangement of the contact channels 18. If the upper bolt 12 is from above onto the lower block 10 put on, as indicated in the drawing by an arrow is, the insulation displacement contacts 20 penetrate into the Contact channels 18 of the lower block 10.

Wie insbesondere aus Fig. 2 deutlich wird, weisen die Schneidklemmkontakte 20 der vorderen Reihe und die Schneidklemmkontakte 20 der hinteren Reihe jeweils untereinander die gleiche axiale Länge auf. Die Länge der Schneidkontakte 20 der hinteren Reihe und der vorderen Reihe sind dabei so dimensioniert, daß in der Projektion auf die vordere Stirnfläche (die der Darstellung der Fig. 2 entspricht) die freien Enden der Schneidklemmkontakte 20 der vorderen Reihe um einen Abstand b gegenüber den freien Enden der Schneidklemmkontakte 20 der hinteren Reihe versetzt sind. Dabei ist dieser Abstand b kleiner als der vertikale Abstand a der beiden Reihen der Aufnahmekanäle 14. As is particularly clear from FIG. 2, the insulation displacement contacts have 20 of the front row and the insulation displacement contacts 20 of the back row the same with each other axial length. The length of the cutting contacts 20 of the rear Row and the front row are dimensioned so that in the projection onto the front face (that of the Representation of Fig. 2 corresponds) to the free ends of the IDC contacts 20 of the front row by a distance b opposite the free ends of the insulation displacement contacts 20 of the rear row are offset. This distance b is smaller than the vertical distance a between the two rows of the recording channels 14.

Wird der obere Block 12 auf den unteren Block 10 aufgesetzt und dringen die Schneidklemmkontakte 20 in die Kontaktkanäle 18 des unteren Blockes 10 ein, so kommen zunächst die Schneidklemmkontakte 20 der vorderen Reihe in Eingriff mit den Leitern 16 in der oberen Reihe der Aufnahmekanäle 14, wie dies in der Zeichnung links gestrichelt angedeutet ist. Die Schneidklemmkontakte 20 der vorderen Reihe werden dann auf die zugehörigen Leiter 16 gedrückt, wobei der Schlitz der Schneidklemmkontakte 20 den jeweiligen Leiter 16 umfaßt, die durch den Schlitz gebildeten Schneidkanten die Isolierung des Leiters 16 durchschneiden und sich in die Mantelfläche des Leiters 16 eindrücken. Bei diesem Vorgang haben die freien Enden der Schneidklemmkontakte 20 der hinteren Reihe die Leiter 16 in der unteren Reihe der Aufnahmekanäle 14 noch nicht erreicht. Erst wenn sich die Leiter 16 in der oberen Reihe der Aufnahmekanäle 14 in den Schlitzen der Schneidklemmkontakte 20 der vorderen Reihe befinden und durch diese kontaktiert sind, gelangen beim weiteren Niederdrücken des oberen Blockes 12 die Schneidklemmkontakte 20 der hinteren Reihe in Eingriff mit den Leitern 16 in der unteren Reihe der Aufnahmekanäle 14. Dann werden in entsprechender Weise die Leiter 16 der unteren Reihe der Aufnahmekanäle 14 durch die Schneidklemmkontakte 20 der hinteren Reihe kontaktiert. Da jeweils nur die acht Schneidklemmkontakte 20 der vorderen Reihe oder der hinteren Reihe gleichzeitig die Isolierung den zugehörigen Leiter 16 durchschneiden müssen, ist die zum Durchdringen der Isolierung erforderliche Kraft in zwei aufeinanderfolgenden Schritten aufzubringen, wobei in jedem Schritt nur die halbe Kraft aufzuwenden ist.The upper block 12 is placed on the lower block 10 and penetrate the insulation displacement contacts 20 into the contact channels 18 of the lower block 10, the insulation displacement contacts first come 20 of the front row engaged with the conductors 16 in the upper row of the receiving channels 14, as shown in the drawing is indicated by dashed lines on the left. The insulation displacement contacts 20 of the front row are then assigned to the associated Conductor 16 pressed, the slot of the insulation displacement contacts 20 includes the respective conductor 16, which by the slot formed cutting edges the insulation of the conductor Cut through 16 and into the outer surface of the conductor Push in 16. In this process, the free ends have of the insulation displacement contacts 20 of the rear row, the conductors 16 not yet reached in the lower row of the receiving channels 14. Only when the conductor 16 in the top row of Receiving channels 14 in the slots of the insulation displacement contacts 20 are in the front row and are contacted by them, get further depressing the upper block 12 IDC contacts 20 of the rear row in engagement with the Conductors 16 in the lower row of receiving channels 14. Then the conductors 16 of the lower row are correspondingly of the receiving channels 14 through the insulation displacement contacts 20 of the rear row contacted. Since only the eight insulation displacement contacts 20 of the front row or the rear row at the same time cut the insulation through the associated conductor 16 is to penetrate the insulation required force in two successive steps to apply, using only half the force in each step is.

Claims (3)

Mehrpolige Anschlußklemme für elektrische Leiter, mit einem unteren Block aus Kunststoff, mit einem auf den unteren Block aufsetzbaren oberen Block aus Kunststoff, mit Aufnahmekanälen für die Leiter, die von einer Stirnfläche des unteren Blockes ausgehend in den unteren Block führen, mit Kontaktkanälen, die von der zu der Stirnfläche senkrechten, dem oberen Block zugewandten Oberseite ausgehend in den unteren Block führen, und mit in dem oberen Block angeordneten Schneidklemmkontakten, die in einer der Anordnung der Kontaktkanäle entsprechenden Anordnung von der dem unteren Block zugewandten Unterseite des unteren Blockes in der Weise abstehen, daß beim Aufsetzen des oberen Blockes auf den unteren Block die Schneidklemmkontakte des oberen Blockes in die Kontaktkanäle des unteren Blockes eindringen und in die Aufnahmekanäle des unteren Blockes eingeführte Leiter kontaktieren, dadurch gekennzeichnet, daß die Länge der Schneidklemmkontakte (20) so dimensioniert ist, daß beim Eindringen in die Kontaktkanäle (18) nicht sämtliche Schneidklemmkontakte (20) gleichzeitig die in die jeweils zugehörigen Aufnahmekanäle (14) eingeführten Leiter (16) kontaktieren.Multi-pole connector for electrical conductors, with a lower block made of plastic, with an upper block made of plastic that can be placed on the lower block, with receiving channels for the conductors that lead from an end face of the lower block into the lower block, with contact channels that of the upper side, which is perpendicular to the end face and faces the upper block, lead into the lower block, and with insulation displacement contacts arranged in the upper block, which in an arrangement corresponding to the arrangement of the contact channels protrude from the underside of the lower block facing the lower block that when the upper block is placed on the lower block, the insulation displacement contacts of the upper block penetrate into the contact channels of the lower block and contact conductors inserted into the receiving channels of the lower block, characterized in that the length of the insulation displacement contacts (20) is dimensioned such that When penetrating the contact channels (18), not all insulation displacement contacts (20) contact the conductors (16) inserted into the associated receiving channels (14) at the same time. Anschlußklemme nach Anspruch 1, dadurch gekennzeichnet, daß die Schneidklemmkontakte (20) in wenigstens zwei Gruppen mit jeweils untereinander gleicher Länge eingeteilt sind, wobei die Schneidkontakte (20) der jeweiligen Gruppen beim Eindringen in die Kontaktkanäle (18) nacheinander die zugehörigen Leiter (16) kontaktieren.Terminal according to claim 1, characterized in that the insulation displacement contacts (20) in at least two Groups with the same length among each other are, the cutting contacts (20) of the respective Groups entering the contact channels (18) one after the other contact the associated conductors (16). Anschlußklemme nach Anspruch 2, dadurch gekennzeichnet, daß die Aufnahmekanäle (14) in zwei beabstandet übereinander liegenden Reihen in der Weise angeordnet sind, daß die Aufnahmekanäle (14) der oberen Reihe gegenüber den Aufnahmekanälen (14) der unteren Reihe auf Lücke versetzt sind, daß die Kontaktkanäle (18) in zwei in Axialrichtung der Aufnahmekanäle (14) beabstandeten Reihen angeordnet sind, daß die den Kontaktkanälen (18) jeder Reihe zugeordneten Schneidklemmkontakte (20) untereinander die gleiche axiale Länge aufweisen und daß der Abstand (a) der zwei Reihen der Aufnahmekanäle (14) verschieden ist von dem Abstand (b) der in die Stirnfläche projizierten freien Enden der Schneidklemmkontakte (20) der beiden Reihen.Terminal according to claim 2, characterized in that the receiving channels (14) in two spaced one above the other lying rows are arranged in such a way that the receiving channels (14) of the top row opposite the Receiving channels (14) of the lower row offset are that the contact channels (18) in two in the axial direction the receiving channels (14) spaced rows are that the contact channels (18) assigned to each row Insulation displacement contacts (20) among themselves have the same axial length and that the distance (a) the two rows of the receiving channels (14) is different from the distance (b) of the projected into the end face free ends of the insulation displacement contacts (20) of the two Rows.
EP98100430A 1997-01-30 1998-01-13 Multipole terminal block Withdrawn EP0856911A1 (en)

Applications Claiming Priority (2)

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DE19703381A DE19703381C1 (en) 1997-01-30 1997-01-30 Multi-pole terminal connection strip
DE19703381 1997-01-30

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DE19703381C1 (en) 1998-05-20
US5951321A (en) 1999-09-14

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