EP1020954A2 - Electric connecting terminal - Google Patents

Electric connecting terminal Download PDF

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Publication number
EP1020954A2
EP1020954A2 EP99124086A EP99124086A EP1020954A2 EP 1020954 A2 EP1020954 A2 EP 1020954A2 EP 99124086 A EP99124086 A EP 99124086A EP 99124086 A EP99124086 A EP 99124086A EP 1020954 A2 EP1020954 A2 EP 1020954A2
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EP
European Patent Office
Prior art keywords
terminal according
housing
spring
clamping spring
leg
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99124086A
Other languages
German (de)
French (fr)
Other versions
EP1020954B1 (en
EP1020954A3 (en
Inventor
Henner Otromke
Hans-Georg Panhey
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.)
Albert Ackermann GmbH and Co KG
Original Assignee
Albert Ackermann GmbH and Co KG
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.)
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Publication date
Application filed by Albert Ackermann GmbH and Co KG filed Critical Albert Ackermann GmbH and Co KG
Publication of EP1020954A2 publication Critical patent/EP1020954A2/en
Publication of EP1020954A3 publication Critical patent/EP1020954A3/en
Application granted granted Critical
Publication of EP1020954B1 publication Critical patent/EP1020954B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
    • H01R11/05—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations having different types of direct connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
    • H01R11/09—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being identical
    • 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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end

Definitions

  • the invention relates to an electrical connection terminal one with at least one entry track with a busbar provided for the free end of an electrical conductor Housing and with a clamping spring arranged in the housing, that pushes against the entry track as well as with a second connection point on the power rail for another Ladder.
  • connection terminal is known from DE 40 14 048 A1, where you have the housing made of an insulating material has produced and the clamping spring interact with a busbar lets that protrude into the launch track and with its other end as a flat receptacle or as one Plug tongue is formed.
  • Such terminals have the advantage that screwless clamping points are formed, that can be connected without tools. Disadvantageous is with such terminals that the dimensions in part become very large and that the desired spectrum for to be connected Cable diameter is not covered. To comes that such terminals are not easier to connect Band conductors are suitable, such as in Installation boxes of electrical installation systems according to the Applicant's German patent application 198 16 554.4 are used.
  • From DE 24 40 825 A1 is also a contact piece for one Terminal known, but on the one hand for inclusion in serves a housing made of insulating material and at an embodiment of a U-shaped bent holding part consists of two S-shaped springs on the inner thigh are inserted. One leg of these springs presses against the inside of the upper leg of the holding part, while the other end by the opposite Thigh is carried out to the outside this second leg presses.
  • the inside of the top Leg of the holding part can therefore, because the associated spring end is directed towards the inside of the holding part, as one Serve guideway for cable ends, especially if appropriate Entry lanes are provided.
  • the outside of the second part with a parallel to that on the inside running guide be provided can, can be designed to put on another cable end be that of the outer leg of the spring against the outer surface of the holding part is pressed.
  • the entry lanes for all cable ends run parallel and at a distance from each other. Since the two end faces of the U-shaped bent holding part can be provided as cable entries in the design shown there, up to six cable ends in alignment are connected to each other by the contact piece that is usually housed in an insulating housing.
  • the present invention is therefore based on the object to form a connecting terminal of the type mentioned at the outset, that universal use is possible, and that too a simple connection to a strip conductor can be provided can.
  • the invention consists in solving this problem in a electrical connecting terminal of the type mentioned in the beginning, that the housing is made of electrically conductive material, the busbar forms and following the entry track with a the connection point for the other conductor forming contact surface is provided, against which a second Leg of the clamping spring presses.
  • This configuration on the one hand becomes a special insulating housing to accommodate the clamping spring and an additional one Busbar unnecessary.
  • the new contact terminal can be in corresponding recesses in a known manner from insulating material existing device cup can be used. She can be used to connect lamps, switches, sockets different insertion angles, and for connections according to international Standards as well as for telecommunications technology use.
  • the arrangement of a contact surface which is easier Way an outer surface of the housing can be enabled contact with a strip conductor in a simple manner.
  • the housing is frame-shaped is formed and bent overlapping to form a frame punched sheet metal that is attached to one of a floor protruding upward with openings for Insert the cable ends and on the opposite end wall is provided with the contact surface.
  • the second leg of the Clamping spring a guide and clamping tab in front of the contact surface form the housing so that a ribbon conductor in the one-sided open clamp tab inserted and in contact with the housing the terminal can be brought.
  • the contact surface of the housing be provided with pronounced beads, through which the Contact area reduced due to the formation of contact points is to set prescribed criteria against inadmissible Temperature increase to meet.
  • two insertion tracks can be used in the bottom of the housing and two openings assigned to them be provided in the housing, the insertion tracks with sharp edges to make contact with the inserted conductor can be provided by the clamping spring against the insertion path is pressed.
  • a web can be arranged between the two entry tracks be that separates the two entry lanes and one Crossing the connection cable for external bending movements prevented.
  • a stop surface can be in the housing be formed for the first leg of the clamping spring, due to an inadmissible bending of this clamping leg is prevented.
  • the clamping spring itself can not rusting spring steel and two spring legs have, which are each assigned to an insertion track and through openings in the area of the spring legs of the housing are provided, the single release of an inserted Enable the end of the cable without loosening the second becomes.
  • the second leg of the clamping spring forms on that of the two Spring legs facing away from the clamping tab that comes from the Housing protrudes and is arranged in front of the contact surface.
  • a frame-shaped housing 1 made of electrical conductive material, for example made of brass, that on one of its closed sides 2 with two circular Openings 3, 3a is provided.
  • two insertion paths narrowing in the direction of the arrows 4 5 and 5a are provided, between which an opening 4 is provided.
  • the two entry lanes 5 and 5a end to the second closed side of the frame-shaped housing 1 towards two upward-looking bow-shaped wall parts 6, which are provided with bead-shaped features 7, the extend outwards. Both wall parts 6 are to the top angled at right angles and enter into a common Wall part 8 above, which is in turn angled by 90 ° Tail 9 something in the free space of the frame-shaped Housing 1 protrudes.
  • the wall part 8 partially overlaps the ceiling 10 of the frame-shaped Housing 1 and is with this via clamping hook 11 connected, which is bent down from the ceiling area 10 are.
  • the middle part is between the ceiling part 10 and the wall part 8 a clamping spring 12 clamped, consisting of two side by side lying U-shaped spring legs 12a, of each of which is assigned to one of the insertion tracks 5 or 5a is.
  • a clamping spring 12 clamped consisting of two side by side lying U-shaped spring legs 12a, of each of which is assigned to one of the insertion tracks 5 or 5a is.
  • they unite two spring legs 12a and go into a second approximately spring legs 13 bent downwards at right angles, which in turn forms a U-shaped tab and a by Has 180 ° bent free end 13a, which - see in particular 2 - through the between the two wall parts 6th of the housing 1 formed protrudes to the outside and with this wall parts 6 an insertion pocket for one of Fig. 1 visible band conductor 14 forms.
  • This band leader 14 is, as can be seen from FIGS.
  • a web 17 projecting upwards is provided, which serves to cross the ends 15 to prevent the connection cable even when connected to the connection terminal act on external bending movements.
  • the two cable ends 15 are connected as shown in FIG. 1 can be easily seen, just by inserting the ends 15 through the openings 3 and 3a into the insertion tracks 5 and 5a.
  • the spring leg 12a is in the Insertion direction bent up and then ensures on the one hand for pressing the cable ends onto the entry tracks 5 and 5a, but also for the fact that the cable ends not be pulled out of the openings 3 and 3a again can.
  • opening 4 e.g. with a screwdriver
  • one of the legs 12a bent up so that a connecting cable can then be removed, without affecting the secure hold of the second cable.
  • the wall part 9 is provided, the as a stop against such hyperextension serves.
  • the new connection terminal is composed of only two parts which can be produced very simply by punching and bending processes and are then assembled in one operation. Due to its design, the new connection terminal is suitable for accepting almost all common connection cables, e.g. solid or multi-wire copper conductors up to 4mm 2 nominal cross-section, but also fine-stranded copper conductors with ultrasonic welding, also up to 4mm 2 and fine-stranded copper conductors up to 2.5mm 2 with ferrules. 1 and 4, the insertion tracks 5a are provided with sharp side edges 18 which, when pressed by the spring legs 12a, ensure good contact of the inserted cable end 15 with the housing 1.
  • the strip conductor 14 can be easily inserted from above and brought into contact clamping.
  • the new connection terminal is therefore also suitable for contacting strip conductors.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Cable Accessories (AREA)
  • Multi-Conductor Connections (AREA)

Abstract

The terminal has a clamping spring which presses against an inserted wire core on a conductor rail. The terminal is housed in a case (1) made of the electrically conducting material which forms the conductor rail. The case is provided with a connector for further contacts (6), against which a second limb of the clamping spring presses.

Description

Die Erfindung betrifft eine elektrische Anschlußklemme mit einem mit mindestens einer Einführungsbahn mit einer Stromschiene für das freie Ende eines elektrischen Leiters versehenen Gehäuse und mit einer im Gehäuse angeordneten Klemmfeder, die gegen die Einführungsbahn drückt sowie mit einer zweiten Anschlußstelle an der Stromschiene für einen weiteren Leiter.The invention relates to an electrical connection terminal one with at least one entry track with a busbar provided for the free end of an electrical conductor Housing and with a clamping spring arranged in the housing, that pushes against the entry track as well as with a second connection point on the power rail for another Ladder.

Eine solche Anschlußklemme ist aus der DE 40 14 048 A1 bekannt, wo man das Gehäuse aus einem isolierenden Werkstoff hergestellt hat und die Klemmfeder mit einer Stromschiene zusammenwirken läßt, die in die Einführungsbahn hereinragt und mit ihrem anderen Ende als Flachsteckhülse oder als eine Steckerzunge ausgebildet ist. Solche Anschlußklemmen weisen den Vorteil auf, daß schraublose Klemmstellen gebildet sind, die ohne Hilfsmittel angeschlossen werden können. Nachteilig ist bei solchen Anschlußklemmen, daß die Abmessungen zum Teil sehr groß werden und daß das gewünschte Spektrum für anzuschließende Kabeldurchmesser nicht abgedeckt wird. Dazu kommt, daß solche Anschlußklemmen nicht zum Anschluß einfacher Bandleiter geeignet sind, wie sie beispielsweise bei Einbaudosen von Elektroinstallationssystemen nach der von der Anmelderin stammenden deutschen Patentanmeldung 198 16 554.4 zum Einsatz kommen.Such a connection terminal is known from DE 40 14 048 A1, where you have the housing made of an insulating material has produced and the clamping spring interact with a busbar lets that protrude into the launch track and with its other end as a flat receptacle or as one Plug tongue is formed. Such terminals have the advantage that screwless clamping points are formed, that can be connected without tools. Disadvantageous is with such terminals that the dimensions in part become very large and that the desired spectrum for to be connected Cable diameter is not covered. To comes that such terminals are not easier to connect Band conductors are suitable, such as in Installation boxes of electrical installation systems according to the Applicant's German patent application 198 16 554.4 are used.

Aus der DE 24 40 825 A1 ist auch ein Kontaktstück für eine Anschlußklemme bekannt, das zum einen aber zur Aufnahme in einem aus Isoliermaterial hergestellten Gehäuse dient und bei einer Ausführungsform aus einem U-förmig gebogenen Halteteil besteht, an dessen Innenschenkel zwei S-förmig gebogene Federn eingefügt sind. Ein Schenkel dieser Federn drückt dabei gegen die Innenseite des oberen Schenkels des Halteteiles, während das andere Ende, das durch den entgegengesetzten Schenkel nach außen durchgeführt ist, gegen die Außenseite dieses zweiten Schenkels drückt. Die Innenseite des oberen Schenkels des Halteteiles kann daher, da das zugeordnete Federende zum Inneren des Halteteiles gerichtet ist, als eine Führungsbahn für Kabelenden dienen, insbesondere, wenn entsprechende Einführbahnen vorgesehen sind. Die Außenseite des zweiten Teiles, die mit einer parallel zu der auf der Innenseite verlaufenden Führung versehenen Führung versehen sein kann, kann zum Anlegen eines weiteren Kabelendes ausgebildet sein, das vom außenliegenden Schenkel der Feder gegen die Außenfläche des Halteteils gedrückt wird. Die Einführungsbahnen für alle Kabelenden verlaufen parallel und im Abstand zueinander. Da die beiden Stirnseiten des U-förmig gebogenen Halteteiles als Kabeleinführungen vorgesehen sein können, können bei der dort gezeigten Bauart bis zu sechs Kabelenden fluchtend zueinander durch das Kontaktstück verbunden werden, das üblicherweise in einem Isoliergehäuse untergebracht wird.From DE 24 40 825 A1 is also a contact piece for one Terminal known, but on the one hand for inclusion in serves a housing made of insulating material and at an embodiment of a U-shaped bent holding part consists of two S-shaped springs on the inner thigh are inserted. One leg of these springs presses against the inside of the upper leg of the holding part, while the other end by the opposite Thigh is carried out to the outside this second leg presses. The inside of the top Leg of the holding part can therefore, because the associated spring end is directed towards the inside of the holding part, as one Serve guideway for cable ends, especially if appropriate Entry lanes are provided. The outside of the second part, with a parallel to that on the inside running guide be provided can, can be designed to put on another cable end be that of the outer leg of the spring against the outer surface of the holding part is pressed. The entry lanes for all cable ends run parallel and at a distance from each other. Since the two end faces of the U-shaped bent holding part can be provided as cable entries in the design shown there, up to six cable ends in alignment are connected to each other by the contact piece that is usually housed in an insulating housing.

Andere Ausführungsformen, die ebenfalls in der DE 24 40 825 A1 gezeigt sind, sehen ein massives Kontaktteil vor, mit parallel zueinander verlaufenden rinnenförmigen Vertiefungen, bei denen die Kontaktgabe jeweils innerhalb der Rinnen erfolgt, so daß kein Teil der Klemmfeder eine Außenseite des Kontaktstückes überragt. Auch solche Bauarten von Anschlußklemmen sind nicht zum Anschluß einfacher Bandleiter geeignet, und sie sind vor allen Dingen in der Herstellung relativ aufwendig. Solche Kontaktstücke müssen auch stets von Isoliergehäusen ummantelt werden.Other embodiments, also in DE 24 40 825 A1 shown provide a solid contact part with parallel trough-shaped depressions running towards each other, where contact is made within the channels, so that no part of the clamping spring an outside of Contact piece protrudes. Such types of terminals are not suitable for connecting simple ribbon conductors, and, above all, they are relative to manufacture complex. Such contact pieces must always be made of insulating housings to be encased.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, eine Anschlußklemme der eingangs genannten Art so auszubilden, daß ein universeller Einsatz möglich ist, und daß auch ein einfacher Anschluß an einen Bandleiter vorgesehen werden kann.The present invention is therefore based on the object to form a connecting terminal of the type mentioned at the outset, that universal use is possible, and that too a simple connection to a strip conductor can be provided can.

Die Erfindung besteht zur Lösung dieser Aufgabe bei einer elektrischen Anschlußklemme der eingangs genannten Art darin, daß das Gehäuse aus elektrisch leitendem Material besteht, die Stromschiene bildet und im Anschluß an die Einführungsbahn mit einer die Anschlußstelle für den weiteren Leiter bildenden Kontaktfläche versehen ist, gegen die ein zweiter Schenkel der Klemmfeder drückt.The invention consists in solving this problem in a electrical connecting terminal of the type mentioned in the beginning, that the housing is made of electrically conductive material, the busbar forms and following the entry track with a the connection point for the other conductor forming contact surface is provided, against which a second Leg of the clamping spring presses.

Durch diese Ausgestaltung wird zum einen ein besonderes Isoliergehäuse zur Aufnahme der Klemmfeder und einer zusätzlichen Stromschiene überflüssig. Die neue Kontaktklemme kann in entsprechende Ausnehmungen eines in bekannter Weise aus Isoliermaterial bestehenden Gerätebechers eingesetzt werden. Sie läßt sich zum Anschluß von Lampen, Schaltern, Steckdosen mit unterschiedlichen Steckwinkeln, und für Anschlüsse nach internationalen Standards sowie für die Telekommunikationstechnik verwenden. Die Anordnung einer Kontaktfläche, die in einfacher Weise eine Außenfläche des Gehäuses sein kann, ermöglicht in einfacher Weise den Kontakt mit einem Bandleiter.This configuration on the one hand becomes a special insulating housing to accommodate the clamping spring and an additional one Busbar unnecessary. The new contact terminal can be in corresponding recesses in a known manner from insulating material existing device cup can be used. she can be used to connect lamps, switches, sockets different insertion angles, and for connections according to international Standards as well as for telecommunications technology use. The arrangement of a contact surface, which is easier Way an outer surface of the housing can be enabled contact with a strip conductor in a simple manner.

Dabei ist es besonders einfach, wenn das Gehäuse rahmenförmig ausgebildet ist und aus einem überlappend zu einem Rahmen zusammengebogenen gestanzten Blech besteht, das an einer von einem Boden nach oben ragenden Stirnwand mit Öffnungen zum Einführen der Kabelenden und an der gegenüberliegenden Stirnwand mit der Kontaktfläche versehen ist. It is particularly easy if the housing is frame-shaped is formed and bent overlapping to form a frame punched sheet metal that is attached to one of a floor protruding upward with openings for Insert the cable ends and on the opposite end wall is provided with the contact surface.

In Weiterbildung der Erfindung kann der zweite Schenkel der Klemmfeder eine Führungs- und Klemmlasche vor der Kontaktfläche des Gehäuses bilden, so daß ein Bandleiter in die einseitig offene Klemmlasche eingeführt und in Kontakt mit dem Gehäuse der Anschlußklemme gebracht werden kann.In a development of the invention, the second leg of the Clamping spring a guide and clamping tab in front of the contact surface form the housing so that a ribbon conductor in the one-sided open clamp tab inserted and in contact with the housing the terminal can be brought.

In Weiterbildung der Erfindung kann die Kontaktfläche des Gehäuses mit ausgeprägten Sicken versehen sein, durch die die Kontaktfläche aufgrund der Bildung von Berührungspunkten verkleinert wird, um vorgeschriebene Kriterien gegen unzulässige Temperaturerhöhung zu erfüllen.In a development of the invention, the contact surface of the housing be provided with pronounced beads, through which the Contact area reduced due to the formation of contact points is to set prescribed criteria against inadmissible Temperature increase to meet.

In Weiterbildung der Erfindung können zwei Einführungsbahnen im Boden des Gehäuses und zwei diesen zugeordnete Öffnungen im Gehäuse vorgesehen sein, wobei die Einführungsbahnen mit scharfen Kanten zur Kontaktgabe mit dem eingeführten Leiter versehen sein können, der durch die Klemmfeder gegen die Einführungsbahn gedrückt wird.In a further development of the invention, two insertion tracks can be used in the bottom of the housing and two openings assigned to them be provided in the housing, the insertion tracks with sharp edges to make contact with the inserted conductor can be provided by the clamping spring against the insertion path is pressed.

Zwischen den beiden Einführungsbahnen kann ein Steg angeordnet sein, der die beiden Einführungsbahnen trennt und ein Überkreuzen der Anschlußkabel bei äußeren Biegebewegungen verhindert.A web can be arranged between the two entry tracks be that separates the two entry lanes and one Crossing the connection cable for external bending movements prevented.

In Weiterbildung der Erfindung kann im Gehäuse eine Anschlagfläche für den ersten Schenkel der Klemmfeder gebildet sein, durch den eine unzulässige Verbiegung dieses Klemmschenkels verhindert wird. Die Klemmfeder selbst kann dabei aus nicht rostendem Federstahl gebildet sein und zwei Federschenkel aufweisen, die jeweils einer Einführungsbahn zugeordnet sind und über Öffnungen, die im Bereich der Federschenkel des Gehäuses vorgesehen sind, das einzelne Lösen eines eingesetzten Kabelendes ermöglichen, ohne daß auch das zweite mitgelöst wird. In a development of the invention, a stop surface can be in the housing be formed for the first leg of the clamping spring, due to an inadmissible bending of this clamping leg is prevented. The clamping spring itself can not rusting spring steel and two spring legs have, which are each assigned to an insertion track and through openings in the area of the spring legs of the housing are provided, the single release of an inserted Enable the end of the cable without loosening the second becomes.

Der zweite Schenkel der Klemmfeder bildet an der von den zwei Federschenkeln abgewandten Seite die Klemmlasche, die aus dem Gehäuse herausragt und vor der Kontaktfläche angeordnet ist.The second leg of the clamping spring forms on that of the two Spring legs facing away from the clamping tab that comes from the Housing protrudes and is arranged in front of the contact surface.

Die Erfindung ist anhand eines Ausführungsbeispiels in der Zeichnung dargestellt und wird im folgenden erläutert. Es zeigen:

Fig. 1
eine perspektivische schematische Darstellung einer neuen Anschlußklemme mit einem angeschlossenen Bandleiter und zwei einführbaren abisolierten Kabelenden
Fig. 2
die Darstellung eines Schnittes durch die durch die Mitte der Anschlußklemme der Fig. 1 verlaufenden Ebene II-II,
Fig. 3
eine perspektivische Darstellung der Anschlußklemme der Fig. 1 ohne den Bandleiter aus einer anderen Perspektive gesehen und
Fig. 4
die perspektivische Ansicht der Anschlußklemme der Fig. 1 in einer um eine 180° verdrehten Ansicht gegenüber der Fig. 3.
The invention is illustrated in the drawing using an exemplary embodiment and is explained below. Show it:
Fig. 1
a perspective schematic representation of a new terminal with a connected strip conductor and two insertable stripped cable ends
Fig. 2
1 shows a section through the plane II-II running through the center of the connection terminal of FIG. 1,
Fig. 3
a perspective view of the terminal of FIG. 1 without the ribbon conductor seen from a different perspective and
Fig. 4
the perspective view of the terminal of FIG. 1 in a view rotated by 180 ° compared to FIG. 3rd

In der Fig. 1 ist ein rahmenförmiges Gehäuse 1 aus elektrisch leitendem Material, beispielsweise aus Messing dargestellt, das auf einer seiner geschlossenen Seiten 2 mit zwei kreisrunden Öffnungen 3, 3a versehen ist. Am Boden dieses Gehäuses 1 sind zwei sich in der Richtung der Pfeile 4 verengende Einführungsbahnen 5 und 5a vorgesehen, zwischen denen eine Öffnung 4 vorgesehen ist. Die beiden Einführungsbahnen 5 und 5a enden zur zweiten geschlossenen Seite des rahmenförmigen Gehäuses 1 hin in zwei nach oben ragende bügelförmige Wandteile 6, die mit sickenförmigen Ausprägungen 7 versehen sind, die sich nach außen erstrecken. Beide Wandteile 6 sind zur Oberseite hin rechtwinklig abgewinkelt und geben in ein gemeinsames Wandteil 8 über, das mit einem wiederum um 90° abgewinkelten Endstück 9 etwas in den freien Raum des rahmenförmigen Gehäuses 1 hereinragt.1 is a frame-shaped housing 1 made of electrical conductive material, for example made of brass, that on one of its closed sides 2 with two circular Openings 3, 3a is provided. At the bottom of this case 1 are two insertion paths narrowing in the direction of the arrows 4 5 and 5a are provided, between which an opening 4 is provided. The two entry lanes 5 and 5a end to the second closed side of the frame-shaped housing 1 towards two upward-looking bow-shaped wall parts 6, which are provided with bead-shaped features 7, the extend outwards. Both wall parts 6 are to the top angled at right angles and enter into a common Wall part 8 above, which is in turn angled by 90 ° Tail 9 something in the free space of the frame-shaped Housing 1 protrudes.

Der Wandteil 8 überlappt teilweise die Decke 10 des rahmenförmigen Gehäuses 1 und ist mit dieser über Klemmhaken 11 verbunden, die von dem Deckenbereich 10 aus nach unten abgebogen sind.The wall part 8 partially overlaps the ceiling 10 of the frame-shaped Housing 1 and is with this via clamping hook 11 connected, which is bent down from the ceiling area 10 are.

Zwischen dem Deckenteil 10 und dem Wandteil 8 ist der Mittelteil einer Klemmfeder 12 eingespannt, die aus zwei nebeneinander liegenden U-förmigen Federschenkeln 12a besteht, von denen jeder je einer der Einführungsbahnen 5 bzw. 5a zugeordnet ist. Im Bereich der Klemmlaschen 11 vereinigen sich die beiden Federschenkel 12a und gehen in einen zweiten etwa rechtwinklig nach unten abgebogenen Federschenkel 13 über, der seinerseits eine U-förmige Lasche bildet und ein um etwa 180° umgebogenes freies Ende 13a aufweist, das - siehe insbesondere Fig. 2 - durch den zwischen den beiden Wandteilen 6 des Gehäuses 1 gebildeten Raum nach außen vorragt und mit diesen Wandteilen 6 eine Einführungstasche für einen aus Fig. 1 ersichtlichen Bandleiter 14 bildet. Dieser Bandleiter 14 wird, wie sich aus den Fig. 2 bis 4 ohne weiteres ergibt, durch die Klemmwirkung der Lasche 13a gegen die Sicken 7 der Wandteile 6 gedrückt und kommt auf diese Weise in einen definierten Kontakt zum Gehäuse 1 der Anschlußklemme. Da die Wandteile 6 in unmittelbarer elektrischer Verbindung mit den Einführungsbahnen 5 und 5a stehen, gegen die die abisolierten Enden 15 der Kabel 16 (Fig. 1) beim Einführen durch die Öffnungen 3, 3a durch die Wirkung des Schenkels 12a der Klemmfeder 12 gedrückt werden, kann eine einwandfreie elektrische Verbindung zwischen dem Bandleiter 14 und den Kabeln 16 erzielt werden.The middle part is between the ceiling part 10 and the wall part 8 a clamping spring 12 clamped, consisting of two side by side lying U-shaped spring legs 12a, of each of which is assigned to one of the insertion tracks 5 or 5a is. In the area of the clamping tabs 11, they unite two spring legs 12a and go into a second approximately spring legs 13 bent downwards at right angles, which in turn forms a U-shaped tab and a by Has 180 ° bent free end 13a, which - see in particular 2 - through the between the two wall parts 6th of the housing 1 formed protrudes to the outside and with this wall parts 6 an insertion pocket for one of Fig. 1 visible band conductor 14 forms. This band leader 14 is, as can be seen from FIGS. 2 to 4, by the clamping action of the tab 13a against the beads 7 of Wall parts 6 pressed and in this way comes into a defined Contact to housing 1 of the connection terminal. Since the Wall parts 6 in direct electrical connection with the Entry tracks 5 and 5a are against which the stripped Ends 15 of the cables 16 (Fig. 1) when inserted through the openings 3, 3a by the action of the leg 12a of the clamping spring 12 can be pressed, a perfect electrical Connection between the strip conductor 14 and the cables 16 achieved become.

Erwähnt werden muß noch, daß zwischen den beiden Einführungsbahnen 5 und 5a des Gehäuses 1 ein nach oben ragender Steg 17 vorgesehen ist, der dazu dient ein Überkreuzen der Enden 15 der Anschlußkabel auch dann zu verhindern, wenn auf die Anschlußklemme äußere Biegebewegungen einwirken.It must also be mentioned that between the two entry lanes 5 and 5a of the housing 1, a web 17 projecting upwards is provided, which serves to cross the ends 15 to prevent the connection cable even when connected to the connection terminal act on external bending movements.

Der Anschluß der beiden Kabelenden 15 erfolgt, wie aus Fig. 1 ohne weiteres ersichtlich wird, lediglich durch das Einschieben der Enden 15 durch die Öffnungen 3 und 3a in die Einführungsbahnen 5 und 5a. Der Federschenkel 12a wird dabei in der Einschieberichtung aufgebogen und sorgt anschließend zum einen für das Andrücken der Kabelenden an die Einführungsbahnen 5 und 5a, zum anderen aber auch dafür, daß die Kabelenden nicht wieder aus den Öffnungen 3 und 3a herausgezogen werden können.The two cable ends 15 are connected as shown in FIG. 1 can be easily seen, just by inserting the ends 15 through the openings 3 and 3a into the insertion tracks 5 and 5a. The spring leg 12a is in the Insertion direction bent up and then ensures on the one hand for pressing the cable ends onto the entry tracks 5 and 5a, but also for the fact that the cable ends not be pulled out of the openings 3 and 3a again can.

Soll dies aber geschehen, so kann durch die Öffnung 4, z.B. mit einem Schraubendreher, einer der Schenkel 12a hochgebogen werden, so daß dann ein Anschlußkabel entfernt werden kann, ohne daß der sichere Halt des zweiten Kabels beeinflußt wird. Um bei einer solchen Demontagebewegung das Überstrecken eines der Federschenkel 12a zu vermeiden, ist der Wandteil 9 vorgesehen, der als Anschlag gegen eine solche Überstreckung dient.However, if this is to be done, opening 4, e.g. with a screwdriver, one of the legs 12a bent up so that a connecting cable can then be removed, without affecting the secure hold of the second cable. In order to overstretch one in such a dismantling movement to avoid the spring leg 12a, the wall part 9 is provided, the as a stop against such hyperextension serves.

Aus dem Vorstehenden wird ersichtlich, daß die neue Anschlußklemme nur aus zwei Teilen zusammengesetzt ist, die sich durch Stanz- und Biegeverfahren sehr einfach herstellen lassen und dann in einem Arbeitsgang zusammengesetzt werden. Die neue Anschlußklemme ist aufgrund ihrer Ausgestaltung dazu geeignet, nahezu alle gängigen Anschlußkabel, z.B. eindrähtige oder mehrdrähtige Kupferleiter bis 4mm2 Nennquerschnitt, aber auch feindrähtige Kupferleiter mit Ultraschallverschweißung, ebenfalls bis 4mm2 und feindrähtige Kupferleiter bis 2,5mm2 mit Aderendhülse aufzunehmen. Die Einführungsbahnen 5a sind, wie den Fig. 1 und 4 zu entnehmen ist, mit scharfen Seitenkanten 18 versehen, die bei Andruck durch den Federschenkel 12a für einen guten Kontakt des eingeführten Kabelendes 15 mit dem Gehäuse 1 sorgen. Der Bandleiter 14 kann in einfacher Weise von oben eingeschoben und in Kontaktklemmung gebracht werden. Die neue Anschlußklemme eignet sich daher auch zur Kontaktierung von Bandleitern.From the above it can be seen that the new connection terminal is composed of only two parts which can be produced very simply by punching and bending processes and are then assembled in one operation. Due to its design, the new connection terminal is suitable for accepting almost all common connection cables, e.g. solid or multi-wire copper conductors up to 4mm 2 nominal cross-section, but also fine-stranded copper conductors with ultrasonic welding, also up to 4mm 2 and fine-stranded copper conductors up to 2.5mm 2 with ferrules. 1 and 4, the insertion tracks 5a are provided with sharp side edges 18 which, when pressed by the spring legs 12a, ensure good contact of the inserted cable end 15 with the housing 1. The strip conductor 14 can be easily inserted from above and brought into contact clamping. The new connection terminal is therefore also suitable for contacting strip conductors.

Claims (14)

Elektrische Anschlußklemme mit einem mit mindestens einer Einführungsbahn (5) einer Stromschiene für das freie Ende (15) eines elektrischen Leiters versehenen Gehäuse (1) und mit einer im Gehäuse angeordneten Klemmfeder (12), die gegen die Einführungsbahn drückt, sowie mit einer zweiten Anschlußstelle an der Stromschiene für einen weiteren Leiter, dadurch gekennzeichnet, daß das Gehäuse (1) aus elektrisch leitendem Material besteht, die Stromschiene bildet und im Anschluß an die Einführungsbahn (5, 5a) mit einer die Anschlußstelle für den weiteren Leiter bildenden Kontaktfläche (6) versehen ist, gegen die ein zweiter Schenkel (13, 13a) der Klemmfeder (12) drückt.Electrical connecting terminal with a housing (1) provided with at least one insertion path (5) of a busbar for the free end (15) of an electrical conductor and with a clamping spring (12) arranged in the housing, which presses against the insertion path, and with a second connection point on the conductor rail for a further conductor, characterized in that the housing (1) consists of electrically conductive material, forms the conductor rail and, following the insertion track (5, 5a), has a contact surface (6) forming the connection point for the further conductor is provided, against which a second leg (13, 13a) of the clamping spring (12) presses. Anschlußklemme nach Anspruch 1, dadurch gekennzeichnet, daß das Gehäuse (1) rahmenförmig ausgebildet ist und aus einem überlappend zusammengebogenen gestanzten Blech besteht.Terminal according to claim 1, characterized in that the housing (1) is frame-shaped and from a there is overlapping bent stamped sheet metal. Anschlußklemme nach Anspruch 2, dadurch gekennzeichnet, daß die Klemmfeder (12) zwischen zwei sich gegenseitig überlappenden Wandteilen (8) bzw. (10) des rahmenförmigen Gehäuses (1) eingesetzt ist.Terminal according to claim 2, characterized in that the clamping spring (12) between two mutually overlapping Wall parts (8) or (10) of the frame-shaped housing (1) is used. Anschlußklemme nach Anspruch 2, dadurch gekennzeichnet, daß im Boden des Gehäuses (1) zwei Einführungsbahnen (5, 5a) und an einer ersten vom Boden aus nach oben ragenden Stirnwand zwei den Einführungsbahnen zugeordnete Einführungsöffnungen (3, 3a) vorgesehen sind.Terminal according to claim 2, characterized in that in the bottom of the housing (1) two insertion tracks (5, 5a) and on a first end wall protruding from the floor two insertion openings assigned to the insertion paths (3, 3a) are provided. Anschlußklemme nach Anspruch 2, dadurch gekennzeichnet, daß an der zweiten nach oben ragenden Stirnwand (6), die der ersten gegenüberliegt, außen die Kontaktfläche angeordnet ist und daß der zweite Schenkel der Klemmfeder (12) eine Führungs- und Klemmlasche (13a) vor der Kontaktfläche (6) bildet. Terminal according to claim 2, characterized in that on the second upstanding end wall (6) that the first opposite, the contact surface is arranged outside and that the second leg of the clamping spring (12) is a guide and forms a clamping tab (13a) in front of the contact surface (6). Anschlußklemme nach Anspruch 1, dadurch gekennzeichnet, daß die Kontaktfläche (6) mit nach außen gedrückten Sicken (7) versehen ist.Terminal according to claim 1, characterized in that the contact surface (6) with beads pressed outwards (7) is provided. Anschlußklemme nach Anspruch 1 oder 6, dadurch gekennzeichnet, daß die Einführungsbahnen (5, 5a) mit scharfen Seitenkanten (18) zur Kontaktgabe versehen sind.Terminal according to claim 1 or 6, characterized in that that the insertion tracks (5, 5a) with sharp side edges (18) are provided for making contact. Anschlußklemme nach Anspruch 6, dadurch gekennzeichnet, daß die Einführungsbahnen (5, 5a) durch einen zwischen ihnen liegenden Steg (17) getrennt sind.Terminal according to claim 6, characterized in that the insertion tracks (5, 5a) through one between them lying web (17) are separated. Anschlußklemme nach Anspruch 1 und 6, dadurch gekennzeichnet, daß die Kontaktfläche durch zwei nach oben ragende Wandteile (6) gebildet ist, die zwischen sich eine Öffnung zur Durchführung des zweiten Schenkels (13) der Klemmfeder (12) aufweisen.Terminal according to claim 1 and 6, characterized in that that the contact surface by two protruding Wall parts (6) is formed, an opening between them to carry out the second leg (13) of the clamping spring (12). Anschlußklemme nach Anspruch 1, dadurch gekennzeichnet, daß die Klemmfeder (12) aus nicht rostendem Federstahl besteht.Terminal according to claim 1, characterized in that the clamping spring (12) consists of stainless spring steel. Anschlußklemme nach Anspruch 1 oder 10, dadurch gekennzeichnet, daß die Klemmfeder (12) mit zwei nebeneinanderliegenden Federschenkeln (12a) versehen ist, von denen jeder je einer Einführungsbahn (5 bzw. 5a) zugeordnet ist.Terminal according to claim 1 or 10, characterized in that that the clamping spring (12) with two side by side Spring legs (12a) is provided, each of which is assigned to an insertion path (5 or 5a). Anschlußklemme nach Anspruch 11, dadurch gekennzeichnet, daß das Gehäuse (1) im Bereich der Federschenkel (12a) mit mindestens einer Öffnung (4) neben oder zwischen den Einführungsbahnen (5, 5a) versehen ist.Terminal according to claim 11, characterized in that that the housing (1) in the area of the spring legs (12a) with at least one opening (4) next to or between the entry tracks (5, 5a) is provided. Anschlußklemme nach Anspruch 1, dadurch gekennzeichnet, daß der zweite Schenkel (13) der Klemmfeder (12) auf der von den Federschenkeln (12a) abgewandten Seite zwischen den beiden Wandteilen (6) hindurchgeführt ist. Terminal according to claim 1, characterized in that the second leg (13) of the clamping spring (12) on the the spring legs (12a) facing away between the two Wall parts (6) is passed. Anschlußklemme nach Anspruch 13, dadurch gekennzeichnet, daß das freie Ende des zweiten Federschenkels (13) der Klemmfeder (12) zu einer nach oben offenen Lasche (13a) gebogen ist, die vor den Kontaktflächen (6) des Gehäuses (1) liegt.Terminal according to claim 13, characterized in that the free end of the second spring leg (13) Clamp spring (12) bent to an upwardly open tab (13a) which is in front of the contact surfaces (6) of the housing (1) lies.
EP99124086A 1999-01-13 1999-12-13 Electric connecting terminal Expired - Lifetime EP1020954B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29900402U 1999-01-13
DE29900402U DE29900402U1 (en) 1999-01-13 1999-01-13 Electrical connection terminal

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EP1020954A2 true EP1020954A2 (en) 2000-07-19
EP1020954A3 EP1020954A3 (en) 2000-12-20
EP1020954B1 EP1020954B1 (en) 2003-12-03

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EP (1) EP1020954B1 (en)
AT (1) ATE255773T1 (en)
DE (2) DE29900402U1 (en)
ES (1) ES2210949T3 (en)
PL (1) PL337747A1 (en)

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DE102008055721B4 (en) * 2008-11-04 2011-03-24 Klemsan Electric Electronics Inc. Terminal block with busbar, busbar for a terminal block and method for producing such a busbar
DE102015108630A1 (en) * 2015-06-01 2016-12-01 Eaton Electrical Ip Gmbh & Co. Kg Direct plug-in terminal for an electrical switching device
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Also Published As

Publication number Publication date
EP1020954B1 (en) 2003-12-03
EP1020954A3 (en) 2000-12-20
DE29900402U1 (en) 1999-03-25
ES2210949T3 (en) 2004-07-01
PL337747A1 (en) 2000-07-17
DE59907931D1 (en) 2004-01-15
ATE255773T1 (en) 2003-12-15

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