EP2278665B1 - Connector piece for creating an electric contact - Google Patents

Connector piece for creating an electric contact Download PDF

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Publication number
EP2278665B1
EP2278665B1 EP10011946.0A EP10011946A EP2278665B1 EP 2278665 B1 EP2278665 B1 EP 2278665B1 EP 10011946 A EP10011946 A EP 10011946A EP 2278665 B1 EP2278665 B1 EP 2278665B1
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EP
European Patent Office
Prior art keywords
connector piece
piece according
sheet metal
connector
incision
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.)
Active
Application number
EP10011946.0A
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German (de)
French (fr)
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EP2278665A1 (en
Inventor
Dr. Ing. Konstantin Kelaiditis
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Hager Electro GmbH and Co KG
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Hager Electro GmbH and Co KG
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Application filed by Hager Electro GmbH and Co KG filed Critical Hager Electro GmbH and Co KG
Priority to PL10011946T priority Critical patent/PL2278665T3/en
Publication of EP2278665A1 publication Critical patent/EP2278665A1/en
Application granted granted Critical
Publication of EP2278665B1 publication Critical patent/EP2278665B1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/112—Resilient sockets forked sockets having two legs
    • 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
    • H01R4/2495—Insulation penetration combined with permanent deformation of the contact member, e.g. crimping
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
    • 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

Definitions

  • the invention relates to a connecting piece, which is produced in one piece by forming a stamped sheet metal part and having clamping legs, between which a conductor is clamped while producing an electrical contact.
  • Connectors of this type are used for example in a connection device for electronic electricity meters, as shown in the DE 10 2004 025 605 A1 is described. Between the clamping legs of the connecting pieces of conductor pieces are clamped, which protrude from the housing of the electronic electricity meter and protrude through openings in a arranged on the connecting pieces Zählertragplatte. To connect the electricity meter is moved to the support plate, the conductor pieces are inserted to the jamming in the longitudinal direction of the clamping legs under elastic spreading of the legs.
  • a connector according to the preamble of claim 1 is known from the document EP 1 544 626 A1 known.
  • the invention has for its object to provide a new connector of the type mentioned, which can be produced with low labor and material costs.
  • a connector whose clamping legs are shaped in the manner of a tulip petal, the clamping legs are either offset from one another in the leg longitudinal direction or opposite each other.
  • only one of the clamping legs is bent tulip-like, while the other clamping leg remains substantially in the sheet metal plane of the sheet metal stamping.
  • the stamped sheet metal part can have the shape of a rectangle, wherein the edge portion extends straight from the center of a rectangle side and perpendicular to this.
  • said line is perpendicular to the rectilinear edge recess and forms a bend line.
  • the clamping leg may be shaped like a tulip petal.
  • a further edge recess is formed on a parallel to the linear edge incision side of the sheet metal stamping and between the inner ends of the two edge incisions extends a bending line about which the sheet metal stamping is bent to form the connector by 180 °.
  • the edge portion has a width which corresponds to twice the sheet thickness. The bent by 180 ° parts of the sheet metal stamping can lie so stress-free against each other. The clamping legs are opposite each other.
  • one of the said line is entangled near part of the section perpendicular to the edge notch, so that the part remaining in the direction towards the free end of this one leg forming the clamping leg is opposite the other clamping leg.
  • an oblique or angled edge incision is formed on a longitudinal side of the stamped part.
  • Said line is a bending line around which the stamped sheet metal part is bent through 180 ° to form the connecting piece.
  • An in Fig. 1 a shown stamped part 1 made of copper sheet has a marginal incision 3 on a narrow side 2. Through the edge incision 3 two sections 4 and 5 of the sheet metal stamping part 1 are formed, from which upon deformation of the stamped sheet metal part to a connecting piece 8 clamping legs 6 and 7 of the connecting piece ( Fig. 1b and 1c ) arise. At the free longitudinal ends of the sections 4 and 5 opposite ends bending lines 9 and 10 are provided.
  • the sections 4 and 5 are bent in the connector 8 respectively around the bending line 9 and 10 and from the angled sections 4 and 5, the clamping legs 6 and 7 are bent in the form of tulip petals.
  • Fig. 1b shows, the clamping legs 6 and 7 are offset from each other perpendicular to the longitudinal direction of the leg.
  • Each of the legs 6 and 7 has an edge 11 formed by embossing.
  • a conductor piece 12 can be clamped, e.g. a terminal contact of a power meter, wherein the conductor piece is inserted for clamping in the longitudinal direction between the legs 6 and 7.
  • the sharp edge 11 ensures the formation of an electrical contact.
  • the edge 11 is impressed in the sheet metal stamping before the bending deformation of the sheet metal stamping part 1.
  • the edge cut divides the sheet metal stamping part 1a into sections 4a and 5a, from which clamping legs 6a and 7a are formed during the formation of a connecting piece 8a from the stamped sheet metal part 1a.
  • Fig. 2 shows, the clamping leg 7a is entangled in a region 13 in the plane of the sheet, so that the clamping leg 7a is not offset, as in the previous embodiment to the clamping leg 6a, but opposite the clamping leg 6a over most of its length.
  • Both the connecting piece 8 and the connecting piece 8a can be produced without any punching waste from a rectangular stamped sheet metal part.
  • Connectors according to Fig. 2 are in an in Fig. 12 used connecting device for an electronic electricity meter.
  • FIG. 3a illustrated sheet metal stamping 1 b is on a narrow side 2b a marginal incision in the form of a narrow edge recess 3b formed.
  • the width of the edge recess is twice as large as the sheet thickness of the stamped part.
  • a region 16 is formed, which can be bent to form a connecting piece 8b about a longitudinal side 15 of the sheet metal stamping part 1b parallel fold line 17 by 180 °, so that from the sections 4b and 5b formed clamping legs 6b and 7b face each other.
  • the connector of Fig. 4b to d is a sheet metal stamping 1 c based, which has no rectangular shape, but is angular. Sections 4c and 5c are separated by a marginal incision 3c. A remaining portion 16c can be turned 180 ° to form the connector 8c. By further edge recesses 18 and 19 respectively two-part clamping legs 6c and 7c are formed.
  • FIG. 5a shown sheet metal stamping part 1d with a EckenausEnglishung 20 has a marginal incision 3d on a longitudinal side 15d, wherein the edge incision 3d extends at an angle and limits a portion 4d, which serves to form a clamping leg 6d.
  • a reduced by the Eckenaus Principleung 20 in the end portion 5 d forms a clamping leg 7 d.
  • An end portion 21 of the portion 4d is bent to form the opposite clamping legs 6d and 7d in a semicircle, as this Fig. 5c lets recognize.
  • An in Fig. 6b and c illustrated connector 8 e has a portion 22 which the connecting piece of Fig. 2 equivalent.
  • contact lugs 23 and 24 are provided at the end opposite to the section 22.
  • To form the contact lug 23 is an end portion 25 of a stamped sheet metal part 1 e.
  • the contact lug 24 is formed by bending a portion 26 of the sheet metal stamping part 1 e, which is separated by an incision 27 from the rest of the sheet metal stamping. The turn is made in the sheet metal plane.
  • the contact lugs 23 and 24 may be e.g. be attached to separate terminal connection elements of a terminal block at a meter place, wherein to one of the terminal connection elements, e.g. a neutral conductor feed and to the other terminal connection element a neutral conductor discharge is connected.
  • one of the terminal connection elements e.g. a neutral conductor feed and to the other terminal connection element a neutral conductor discharge is connected.
  • FIG. 7 and Fig. 12 shown inventive connector 8f which is substantially the connector of Fig. 2 corresponds, has an end portion 28 for direct connection to a neutral cable 29.
  • end portion 28 provided for piercing the strands of the neutral conductor cable 29 tab 30 is formed, the free end can be turned after piercing the neutral conductor, as is apparent from Fig. 7f evident.
  • a connecting device for an electricity meter, in particular electronic electricity meter, in which according to the above-described solution for power supply the electricity meter a connector is brought into contact with a continuous at the junction neutral conductor is also independent of the features specified in claim 1 of importance.
  • the connecting piece can be connected to the neutral conductor cable in a positive, positive or cohesive manner.
  • the connector at least partially surrounds the cable. Notwithstanding the embodiment shown, the connector does not need to penetrate the cable between the strands of the cable or to penetrate into the cable. At the connection point, the cable can be compressed, for example by ultrasound.
  • a section 31 of an in Fig. 8 shown connector 8e partially corresponds to the connector of Fig. 2 , At the opposite end of the section 31, a resilient contact nose 32 is formed with a contact portion 35.
  • the contact nose 32 corresponds to a narrow end portion 33 of a stamped sheet metal part 1 g.
  • An extension 36 connects to one of the clamping legs of the section 31, which can be welded to a connection cable, for example.
  • FIG. 9c An in Fig. 9c shown, from a sheet metal stamping 1h according to Fig. 9a made connecting piece 8h has a portion 34 which corresponds to the in Fig. 5 corresponds to the connector shown. To a clamping leg of this connector is followed by a resilient contact lug 32h.
  • FIG. 10 shows, this contact nose 32h with another, the connector of Fig. 5 contact corresponding connector and form, for example, a bypass.
  • Fig. 11 shows the connector of Fig. 3 corresponding connecting pieces, wherein one of the connecting pieces is connected to a contact nose 32i.
  • An in Fig. 13a shown sheet metal stamping 1j for producing a connector 8j according to Fig. 13b and c has an incision 3j on a longitudinal side 15j.
  • the incision 3j extends at an angle first in the transverse direction and then in the longitudinal direction of the stamped sheet metal part 1j and ends at a first bending line 9j.
  • a second bending line 35 extends at a distance and parallel to the bending line 9j, the distance between these bending lines being equal to the width of a nose 37 formed by the cut 3j at a longitudinal end of the sheet metal stamping part 1j.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Adornments (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Abstract

The strap has a conductor clamped between two clamping legs for producing an electric contact, and a sheet metal pressing part (1) with sections (4, 5), which form one of the clamping legs. The sections are limited by a narrow edge recess (3) on the pressing part, an external edge of the pressing part and lines (9, 10), which runs from an inner end of the edge recess to the external edge of the pressing part. The legs are moved towards each other or opposite to each other perpendicular to a longitudinal direction of the legs.

Description

Die Erfindung betrifft ein Verbindungsstück, das einteilig durch Formung eines Blechstanzteils hergestellt ist und Klemmschenkel aufweist, zwischen denen unter Herstellung eines elektrischen Kontakts ein Leiter einklemmbar ist.The invention relates to a connecting piece, which is produced in one piece by forming a stamped sheet metal part and having clamping legs, between which a conductor is clamped while producing an electrical contact.

Verbindungsstücke solcher Art werden z.B. in einer Anschlussvorrichtung für elektronische Stromzähler verwendet, wie sie in der DE 10 2004 025 605 A1 beschrieben ist. Zwischen den Klemmschenkeln der Verbindungsstücke werden Leiterstücke eingeklemmt, welche vom Gehäuse des elektronischen Stromzählers vorstehen und durch Öffnungen in einer über den Verbindungsstücken angeordneten Zählertragplatte hindurchragen. Zum Anschluss wird der Stromzähler auf der Tragplatte verschoben, wobei die Leiterstücke zur Verklemmung in Längsrichtung der Klemmschenkel unter elastischer Aufspreizung der Schenkel eingeschoben werden.Connectors of this type are used for example in a connection device for electronic electricity meters, as shown in the DE 10 2004 025 605 A1 is described. Between the clamping legs of the connecting pieces of conductor pieces are clamped, which protrude from the housing of the electronic electricity meter and protrude through openings in a arranged on the connecting pieces Zählertragplatte. To connect the electricity meter is moved to the support plate, the conductor pieces are inserted to the jamming in the longitudinal direction of the clamping legs under elastic spreading of the legs.

Ein Verbindungsstück entsprechend dem Oberbegriff des Anspruches 1 ist aus dem Dokument EP 1 544 626 A1 bekannt.A connector according to the preamble of claim 1 is known from the document EP 1 544 626 A1 known.

Der Erfindung liegt die Aufgabe zugrunde, ein neues Verbindungsstück der eingangs erwähnten Art zu schaffen, das sich mit geringem Arbeits- und Materialaufwand herstellen lässt.The invention has for its object to provide a new connector of the type mentioned, which can be produced with low labor and material costs.

Diese Aufgabe wird durch die Merkmale des Kennzeichen des Anspruches 1 gelöst.This object is solved by the features of the characterizing part of claim 1.

Aus einem solchen Blechstanzteil lässt sich mit geringem Arbeits- und Materialaufwand ein Verbindungsstück herstellen, dessen Klemmschenkel in der Art eines Tulpenblütenblatts geformt sind, wobei die Klemmschenkel entweder in Schenkellängsrichtung zueinander versetzt angeordnet sind oder einander gegenüberliegen. In einer alternativen platzsparenden Ausführungsform ist nur einer der Klemmschenkel tulpenblattartig gebogen, während der andere Klemmschenkel im Wesentlichen in der Blechebene des Blechstanzteils verbleibt.From such a sheet metal stamping can be produced with little labor and material costs, a connector whose clamping legs are shaped in the manner of a tulip petal, the clamping legs are either offset from one another in the leg longitudinal direction or opposite each other. In an alternative space-saving embodiment, only one of the clamping legs is bent tulip-like, while the other clamping leg remains substantially in the sheet metal plane of the sheet metal stamping.

Das Blechstanzteil kann die Form eines Rechtecks aufweisen, wobei der Randabschnitt geradlinig von der Mitte einer Rechteckseite an und senkrecht zu dieser verläuft.The stamped sheet metal part can have the shape of a rectangle, wherein the edge portion extends straight from the center of a rectangle side and perpendicular to this.

Vorzugsweise verläuft die genannte Linie senkrecht zu dem geradlinigen Randeinschnitt und bildet eine Biegelinie. Z.B. von dieser Biegelinie an kann der Klemmschenkel in der Art eines Tulpenblütenblatts geformt sein.Preferably, said line is perpendicular to the rectilinear edge recess and forms a bend line. For example, from this bending line, the clamping leg may be shaped like a tulip petal.

In einer bevorzugten Ausführungsform der Erfindung ist an einer zu dem linearen Randeinschnitt parallelen Seite des Blechstanzteils ein weiterer Randeinschnitt gebildet und zwischen den inneren Enden der beiden Randeinschnitte verläuft eine Biegelinie, um welche das Blechstanzteil zur Bildung des Verbindungsstücks um 180° abgebogen ist. Vorzugsweise weist in dieser Ausführungsform der Randabschnitt eine Breite auf, die der doppelten Blechstärke entspricht. Die um 180° abgebogenen Teile des Blechstanzteils können so spannungsfrei gegeneinander anliegen. Die Klemmschenkel liegen einander gegenüber.In a preferred embodiment of the invention, a further edge recess is formed on a parallel to the linear edge incision side of the sheet metal stamping and between the inner ends of the two edge incisions extends a bending line about which the sheet metal stamping is bent to form the connector by 180 °. Preferably, in this embodiment, the edge portion has a width which corresponds to twice the sheet thickness. The bent by 180 ° parts of the sheet metal stamping can lie so stress-free against each other. The clamping legs are opposite each other.

In einer alternative Ausführungsform ist ein der genannten Linie nahe Teil des Abschnitts senkrecht zum Randeinschnitt verschränkt, so dass der in Richtung zum freien Ende verbleibende Teil dieses einen der Klemmschenkel bildenden Abschnitts dem anderen Klemmschenkel gegenüberliegt.In an alternative embodiment, one of the said line is entangled near part of the section perpendicular to the edge notch, so that the part remaining in the direction towards the free end of this one leg forming the clamping leg is opposite the other clamping leg.

In einer weiteren bevorzugten Ausführungsform ist ein schräger oder im Winkel verlaufender Randeinschnitt an einer Längsseite des Stanzteils gebildet. Die genannte Linie ist eine Biegelinie, um die das Blechstanzteil zur Bildung des Verbindungsstück um 180° abgebogen ist.In a further preferred embodiment, an oblique or angled edge incision is formed on a longitudinal side of the stamped part. Said line is a bending line around which the stamped sheet metal part is bent through 180 ° to form the connecting piece.

Die Erfindung wird nachfolgend anhand von Ausführungsbeispielen und der beiliegenden, sich auf diese Ausführungsbeispiele beziehenden Zeichnungen weiter erläutert. Es zeigen:

Fig. 1
ein Verbindungsstück mit zueinander versetzt angeordneten Klemmschenkeln,
Fig. 2
ein zweites Verbindungsstück mit einem teilweise verschränkten Klemmschenkel,
Fig. 3
ein drittes Verbindungsstück mit einem um 180° gebogenen Blechabschnitt,
Fig. 4
ein weiteres, der Fig. 3 ähnliches Verbindungsstück,
Fig. 5
ein fünftes Verbindungsstück mit einem in Längsrichtung des Verbindungsstücks um 180° abgebogenen Klemmschenkel,
Fig. 6 bis 11
weitere
Fig. 12
Verbindungsstücke, eine Anschlussvorrichtung für einen elektrischen Stromzähler, in welchem ein Verbindungsstück nach der Erfindung zum Einsatz kommen, und
Fig. 13
ein weiteres Verbindungsstück.
The invention will be explained below with reference to embodiments and the accompanying, relating to these embodiments drawings. Show it:
Fig. 1
a connector with mutually offset clamping legs,
Fig. 2
a second connecting piece with a partially entangled clamping leg,
Fig. 3
a third connecting piece with a bent by 180 ° sheet metal section,
Fig. 4
another, the Fig. 3 similar connector,
Fig. 5
a fifth connecting piece with a clamping leg bent through 180 ° in the longitudinal direction of the connecting piece,
Fig. 6 to 11
Further
Fig. 12
Connectors, a connection device for an electric electricity meter, in which a connector according to the invention are used, and
Fig. 13
another connector.

Ein in Fig. 1 a gezeigtes Stanzteil 1 aus Kupferblech weist an einer Schmalseite 2 einen Randeinschnitt 3 auf. Durch den Randeinschnitt 3 sind zwei Abschnitte 4 und 5 des Blechstanzteils 1 gebildet, aus welchen bei Verformung des Blechstanzteils zu einem Verbindungsstück 8 Klemmschenkel 6 und 7 des Verbindungsstücks (Fig. 1b und 1c) entstehen. An den den freien Längsenden der Abschnitte 4 und 5 entgegengesetzten Enden sind Biegelinien 9 und 10 vorgesehen.An in Fig. 1 a shown stamped part 1 made of copper sheet has a marginal incision 3 on a narrow side 2. Through the edge incision 3 two sections 4 and 5 of the sheet metal stamping part 1 are formed, from which upon deformation of the stamped sheet metal part to a connecting piece 8 clamping legs 6 and 7 of the connecting piece ( Fig. 1b and 1c ) arise. At the free longitudinal ends of the sections 4 and 5 opposite ends bending lines 9 and 10 are provided.

Wie Fig. 1b und Fig. 1c erkennen lassen, sind die Abschnitte 4 und 5 in dem Anschlussstück 8 jeweils um die Biegelinie 9 bzw. 10 abgewinkelt und aus den abgewinkelten Abschnitten 4 und 5 sind die Klemmschenkel 6 und 7 in der Form von Tulpenblütenblättern gebogen.As Fig. 1b and Fig. 1c can be seen, the sections 4 and 5 are bent in the connector 8 respectively around the bending line 9 and 10 and from the angled sections 4 and 5, the clamping legs 6 and 7 are bent in the form of tulip petals.

Wie insbesondere Fig. 1b zeigt, sind die Klemmschenkel 6 und 7 senkrecht zur Schenkellängsrichtung zueinander versetzt. Jeder der Schenkel 6 und 7 weist eine durch Einprägung gebildete Kante 11 auf.In particular Fig. 1b shows, the clamping legs 6 and 7 are offset from each other perpendicular to the longitudinal direction of the leg. Each of the legs 6 and 7 has an edge 11 formed by embossing.

Zwischen den zueinander versetzt angeordneten, elastisch abbiegbaren Klemmschenkeln 6 und 7 lässt sich ein Leiterstück 12 einklemmen, z.B. ein Anschlusskontakt eines Stromzählers, wobei das Leiterstück zur Verklemmung in Längsrichtung zwischen den Schenkel 6 und 7 eingeschoben wird. Die scharfe Kante 11 sichert die Bildung eines elektrischen Kontakts. Zweckmäßig wird die Kante 11 vor der Biegeverformung des Blechstanzteils 1 in das Blechstanzteil eingeprägt.Between the mutually offset, elastically bendable clamping legs 6 and 7, a conductor piece 12 can be clamped, e.g. a terminal contact of a power meter, wherein the conductor piece is inserted for clamping in the longitudinal direction between the legs 6 and 7. The sharp edge 11 ensures the formation of an electrical contact. Appropriately, the edge 11 is impressed in the sheet metal stamping before the bending deformation of the sheet metal stamping part 1.

In den folgenden Figuren sind gleiche oder gleichwirkende Teile mit derselben Bezugszahl wie in Fig. 1 bezeichnet, wobei der betreffenden Bezugszahl der Buchstabe a, b usw. beigefügt ist.In the following figures are the same or equivalent parts with the same reference number as in Fig. 1 the relevant reference number is accompanied by points (a), (b) and so on.

Ein in Fig. 2 gezeigtes Kupferblechstanzteil 1a weist an einer Längsseite 2a einen Randabschnitt 3a auf. Der Randeinschnitt teilt das Blechstanzteil 1 a in Abschnitte 4a und 5a, aus welchen bei der Formung eines Verbindungsstücks 8a aus dem Blechstanzteil 1a Klemmschenkel 6a und 7a gebildet werden.An in Fig. 2 Shown copper sheet stamping 1a has on a longitudinal side 2a an edge portion 3a. The edge cut divides the sheet metal stamping part 1a into sections 4a and 5a, from which clamping legs 6a and 7a are formed during the formation of a connecting piece 8a from the stamped sheet metal part 1a.

Wie aus Fig. 2 hervorgeht, ist der Klemmschenkel 7a in einem Bereich 13 in der Blechebene verschränkt, so dass der Klemmschenkel 7a nicht, wie bei dem vorangehenden Ausführungsbeispiel zu dem Klemmschenkel 6a versetzt ist, sondern über den größten Teil seiner Länge dem Klemmschenkel 6a gegenüberliegt.How out Fig. 2 shows, the clamping leg 7a is entangled in a region 13 in the plane of the sheet, so that the clamping leg 7a is not offset, as in the previous embodiment to the clamping leg 6a, but opposite the clamping leg 6a over most of its length.

Sowohl das Verbindungsstück 8 als auch das Verbindungsstück 8a lassen sich ohne jeglichen Stanzabfall aus einem rechteckigen Blechstanzteil herstellen. Verbindungsstücke gemäß Fig. 2 sind in einer in Fig. 12 gezeigten Anschlussvorrichtung für einen elektronischen Stromzähler verwendet.Both the connecting piece 8 and the connecting piece 8a can be produced without any punching waste from a rectangular stamped sheet metal part. Connectors according to Fig. 2 are in an in Fig. 12 used connecting device for an electronic electricity meter.

Bei einem in Fig. 3a dargestellten Blechstanzteil 1 b ist an einer Schmalseite 2b ein Randeinschnitt in Form einer schmalen Randausnehmung 3b gebildet. Die Breite der Randausnehmung ist zweimal so groß wie die Blechstärke des Stanzteils.At an in Fig. 3a illustrated sheet metal stamping 1 b is on a narrow side 2b a marginal incision in the form of a narrow edge recess 3b formed. The width of the edge recess is twice as large as the sheet thickness of the stamped part.

Durch einen weiteren Randeinschnitt 14 an einer Längsseite 15 des Stanzteils 1 b entsteht ein Bereich 16, welcher sich zur Bildung eines Verbindungsstücks 8b um eine zur Längsseite 15 des Blechstanzteils 1b parallele Falzlinie 17 um 180° abbiegen lässt, so dass aus den Abschnitten 4b und 5b gebildete Klemmschenkel 6b und 7b einander gegenüberliegen.By a further edge cut 14 on a longitudinal side 15 of the stamped part 1 b, a region 16 is formed, which can be bent to form a connecting piece 8b about a longitudinal side 15 of the sheet metal stamping part 1b parallel fold line 17 by 180 °, so that from the sections 4b and 5b formed clamping legs 6b and 7b face each other.

Dem Verbindungsstück von Fig. 4b bis d liegt ein Blechstanzteil 1 c zugrunde, das keine Rechteckform aufweist, sondern winkelförmig ausgebildet ist. Abschnitte 4c und 5c sind durch einen Randeinschnitt 3c voneinander getrennt. Ein verbleibender Bereich 16c lässt sich zur Bildung des Verbindungsstücks 8c um 180° abbiegen. Durch weitere Randeinschnitte 18 und 19 sind jeweils zweiteilige Klemmschenkel 6c und 7c gebildet.The connector of Fig. 4b to d is a sheet metal stamping 1 c based, which has no rectangular shape, but is angular. Sections 4c and 5c are separated by a marginal incision 3c. A remaining portion 16c can be turned 180 ° to form the connector 8c. By further edge recesses 18 and 19 respectively two-part clamping legs 6c and 7c are formed.

Ein in Fig. 5a gezeigtes Blechstanzteil 1d mit einer Eckenausnehmung 20 weist einen Randeinschnitt 3d an einer Längsseite 15d auf, wobei der Randeinschnitt 3d im Winkel verläuft und einen Abschnitt 4d begrenzt, welcher der Bildung eines Klemmschenkels 6d dient. Ein durch die Eckenausnehmung 20 in der Breite verminderter Endabschnitt 5d bildet einen Klemmschenkel 7d. Ein Endteil 21 des Abschnitts 4d wird zur Bildung der einander gegenüberliegenden Klemmschenkel 6d und 7d im Halbkreis gebogen, wie dies Fig. 5c erkennen lässt.An in Fig. 5a shown sheet metal stamping part 1d with a Eckenausnehmung 20 has a marginal incision 3d on a longitudinal side 15d, wherein the edge incision 3d extends at an angle and limits a portion 4d, which serves to form a clamping leg 6d. A reduced by the Eckenausnehmung 20 in the end portion 5 d forms a clamping leg 7 d. An end portion 21 of the portion 4d is bent to form the opposite clamping legs 6d and 7d in a semicircle, as this Fig. 5c lets recognize.

Ein in Fig. 6b und c dargestelltes Verbindungsstück 8e weist einen Abschnitt 22 auf, welcher dem Verbindungsstück von Fig. 2 entspricht. An dem dem Abschnitt 22 entgegengesetzten Ende sind Kontaktfahnen 23 und 24 vorgesehen. Zur Bildung der Kontaktfahne 23 dient ein Endabschnitt 25 eines Blechstanzteils 1 e. Die Kontaktfahne 24 entsteht durch Abbiegung eines Abschnitts 26 des Blechstanzteils 1 e, welcher durch einen Einschnitt 27 vom übrigen Blechstanzteil getrennt ist. Die Abbiegung erfolgt in der Blechebene.An in Fig. 6b and c illustrated connector 8 e has a portion 22 which the connecting piece of Fig. 2 equivalent. At the end opposite to the section 22, contact lugs 23 and 24 are provided. To form the contact lug 23 is an end portion 25 of a stamped sheet metal part 1 e. The contact lug 24 is formed by bending a portion 26 of the sheet metal stamping part 1 e, which is separated by an incision 27 from the rest of the sheet metal stamping. The turn is made in the sheet metal plane.

Die Kontaktfahnen 23 und 24 können z.B. an getrennten Klemmanschlusselementen einer Anschlussleiste an einem Zählerplatz angebracht werden, wobei an eines der Klemmanschlusselemente z.B. eine Neutralleiterzuführung und an das andere Klemmanschlusselement eine Neutralleiterabführung angeschlossen wird.The contact lugs 23 and 24 may be e.g. be attached to separate terminal connection elements of a terminal block at a meter place, wherein to one of the terminal connection elements, e.g. a neutral conductor feed and to the other terminal connection element a neutral conductor discharge is connected.

Ein in Fig. 7 und Fig. 12 gezeigtes erfindungsgemässe Verbindungsstück 8f, welches im wesentlichen dem Verbindungsstück von Fig. 2 entspricht, weist einen Endabschnitt 28 zur unmittelbaren Verbindung mit einem Neutralleiterkabel 29 auf. An dem Endabschnitt 28 ist eine zum Durchstechen der Litzen des Neutralleiterkabels 29 vorgesehene Lasche 30 gebildet, deren freies Ende sich nach Durchstechen des Neutralleiters abbiegen lässt, wie dies aus Fig. 7f hervorgeht.An in Fig. 7 and Fig. 12 shown inventive connector 8f, which is substantially the connector of Fig. 2 corresponds, has an end portion 28 for direct connection to a neutral cable 29. At the end portion 28 provided for piercing the strands of the neutral conductor cable 29 tab 30 is formed, the free end can be turned after piercing the neutral conductor, as is apparent from Fig. 7f evident.

Eine Anschlussvorrichtung für einen Stromzähler, insbesondere elektronischen Stromzähler, bei dem entsprechend der vorangehend beschriebenen Lösung zur Spannungsversorgung des Stromzählers ein Verbindungsstück mit einem an der Verbindungsstelle durchgehend verlegten Neutralleiter in Kontakt gebracht wird, ist auch unabhängig von den im Anspruch 1 angegebenen Merkmalen von Bedeutung. Das Verbindungsstück kann mit dem Neutralleiterkabel kraft-, form- oder/und stoffschlüssig verbunden sein. Vorzugsweise umgreift das Verbindungsstück das Kabel wenigstens teilweise. Abweichend von dem gezeigten Ausführungsbeispiel braucht das Verbindungsstück nicht zwischen den Litzen des Kabels das Kabel zu durchdringen oder in das Kabel einzudringen. An der Verbindungsstelle kann das Kabel, z.B. durch Ultraschall, verdichtet sein.A connecting device for an electricity meter, in particular electronic electricity meter, in which according to the above-described solution for power supply the electricity meter a connector is brought into contact with a continuous at the junction neutral conductor is also independent of the features specified in claim 1 of importance. The connecting piece can be connected to the neutral conductor cable in a positive, positive or cohesive manner. Preferably, the connector at least partially surrounds the cable. Notwithstanding the embodiment shown, the connector does not need to penetrate the cable between the strands of the cable or to penetrate into the cable. At the connection point, the cable can be compressed, for example by ultrasound.

Ein Abschnitt 31 eines in Fig. 8 dargestellten Verbindungsstücks 8e entspricht teilweise dem Verbindungsstück von Fig. 2. An dem dem Abschnitt 31 entgegengesetzten Ende ist eine federnde Kontaktnase 32 mit einem Kontaktabschnitt 35 gebildet. Der Kontaktnase 32 entspricht ein schmaler Endabschnitt 33 eines Blechstanzteils 1 g. An einen der Klemmschenkel des Abschnitts 31 schließt sich eine Verlängerung 36 an, die z.B. mit einem Anschlusskabel verschweißbar ist.A section 31 of an in Fig. 8 shown connector 8e partially corresponds to the connector of Fig. 2 , At the opposite end of the section 31, a resilient contact nose 32 is formed with a contact portion 35. The contact nose 32 corresponds to a narrow end portion 33 of a stamped sheet metal part 1 g. An extension 36 connects to one of the clamping legs of the section 31, which can be welded to a connection cable, for example.

Ein in Fig. 9c gezeigtes, aus einem Blechstanzteil 1h gemäß Fig. 9a hergestelltes Verbindungsstück 8h weist einen Abschnitt 34 auf, welcher dem in Fig. 5 gezeigten Verbindungsstück entspricht. An einen Klemmschenkel dieses Verbindungsstücks schließt sich eine federnde Kontaktnase 32h an.An in Fig. 9c shown, from a sheet metal stamping 1h according to Fig. 9a made connecting piece 8h has a portion 34 which corresponds to the in Fig. 5 corresponds to the connector shown. To a clamping leg of this connector is followed by a resilient contact lug 32h.

Wie aus Fig. 10 hervorgeht, kann diese Kontaktnase 32h mit einem weiteren, dem Verbindungsstück von Fig. 5 entsprechenden Verbindungsstück in Kontakt treten und z.B. eine Überbrückung bilden.How out Fig. 10 shows, this contact nose 32h with another, the connector of Fig. 5 contact corresponding connector and form, for example, a bypass.

Fig. 11 zeigt dem Verbindungsstück von Fig. 3 entsprechende Verbindungsstücke, wobei eines der Verbindungsstücke mit einer Kontaktnase 32i verbunden ist. Fig. 11 shows the connector of Fig. 3 corresponding connecting pieces, wherein one of the connecting pieces is connected to a contact nose 32i.

Ein in Fig. 13a gezeigtes Blechstanzteil 1j zur Herstellung eines Verbindungsstücks 8j gemäß Fig. 13b und c weist an einer Längsseite 15j einen Einschnitt 3j auf. Der Einschnitt 3j verläuft im Winkel zunächst in Querrichtung und dann in Längsrichtung des Blechstanzteils 1j und endet an einer ersten Biegelinie 9j. Eine zweite Biegelinie 35 verläuft im Abstand und parallel zur Biegelinie 9j, wobei der Abstand zwischen diesen Biegelinien gleich der Breite einer durch den Einschnitt 3j gebildeten Nase 37 an einem Längsende des Blechstanzteils 1j ist. Durch 90°-Biegungen um die Biegelinien 9j und 35 sind zueinander im Abstand angeordnete Klemmschenkel 6j und 7j gebildet, wobei der Klemmschenkel 6j im Wesentlichen in der Blechebene des Blechstanzteils j liegt und nur der Klemmschenkel 7j tulpenblattartig aus dieser Ebene herausgebogen ist. Durch die beiden Abwinklungen um die Biegelinien 9j und 35 gelangt die Nase 37 in eine zurückversetzte Position, so dass sie dem Klemmschenkel 6j an dessen Ende gegenüberliegt.An in Fig. 13a shown sheet metal stamping 1j for producing a connector 8j according to Fig. 13b and c has an incision 3j on a longitudinal side 15j. The incision 3j extends at an angle first in the transverse direction and then in the longitudinal direction of the stamped sheet metal part 1j and ends at a first bending line 9j. A second bending line 35 extends at a distance and parallel to the bending line 9j, the distance between these bending lines being equal to the width of a nose 37 formed by the cut 3j at a longitudinal end of the sheet metal stamping part 1j. By 90 ° bends around the bending lines 9j and 35 spaced apart clamping legs 6j and 7j are formed, wherein the clamping leg 6j is located substantially in the sheet metal plane of the sheet metal stamping j and only the clamping leg 7j is bent tulip-like out of this plane. By the two bends around the bending lines 9j and 35, the nose 37 comes in a recessed position, so that it faces the clamping leg 6j at the end.

Claims (14)

  1. Connector piece for a connector device provided for connecting an electricity meter, in particular an electronic electricity meter, wherein the connector piece is suitable for direct connection with a neutral conductor cable (19) guided through the connector device,
    characterised in that
    the connector piece (8) comprises clamping legs (6, 7), between which by producing an electric contact a connecting conductor (12) of the electricity meter can be clamped, wherein the connector piece has an end section (28) for direct connection with the neutral conductor cable (29) guided through the connection device and wherein the end section (28) at least partly grips around the neutral conductor cable (29).
  2. Connector piece according to claim 1,
    characterised in that
    the end section (28) can be connected in a force-fitting, form-fitting and/or bonded manner to the neutral conductor cable (29).
  3. Connector piece according to any one of claims 1 to 2,
    characterised in that
    at the end section (28) a tab (30) for piercing through the strands of the neutral conductor cable (29) is formed.
  4. Connector piece according to claim 3,
    characterised in that
    the free end tab (30) can be bent after piercing through the neutral conductor cable (29).
  5. Connector piece according to any one of claims 1 to 4,
    characterised in that
    the neutral conductor cable (29) is compressed at the connecting point, e.g. by the effect of ultrasound.
  6. Connector piece according to any one of claims 1 to 5,
    characterised in that
    the connector piece is produced by shaping a sheet metal stamped part (1) and at least one section (4, 5) of the sheet metal stamped part (1), which forms one of the two clamping legs (6, 7), is delimited by a narrow incision (3) in the sheet metal stamped part (1), the outer edge of the sheet metal stamped part and a line (9, 10) running from the inner end of the incision (3) to the outer edge of the sheet metal stamped part (1).
  7. Connector piece according to any one of claims 1 to 6,
    characterised in that
    at least one of the clamping legs (6, 7) is shaped in the manner of a tulip petal.
  8. Connector piece according to any one of claims 1 to 7,
    characterised in that
    the clamping legs (6, 7) are offset relative to one another perpendicular to the longitudinal direction of the legs or are opposite one another.
  9. Connector piece according to any one of claims 1 to 2,
    characterised in that
    the sheet metal stamped part (1) has a rectangular form and the incision (3) runs linearly from the centre of a rectangle side (2) on and perpendicular to the latter.
  10. Connector piece according to claim 9,
    characterised in that
    the said line is perpendicular to the linear incision (3) and if necessary forms a bending line (9, 10).
  11. Connector piece according to claim 10,
    characterised in that
    the at least one clamping leg (6, 7) is shaped by the bending line (9, 10) in the manner of a tulip leaf.
  12. Connector piece according to any one of claims 6 to 11,
    characterised in that
    a portion (13) of the section (5a) close to the said line (10a) is crossed perpendicular to the incision (3a), so that the portion of the section (5a) forming one (7a) of the clamping legs (6a,7a) in the direction of the free end is opposite the other clamping leg (6a).
  13. Connector piece according to any one of claims 6 to 12,
    characterised in that
    an oblique or angled incision (3d; 3j) is formed on a longitudinal side (15d, 15j) of the stamped part (1d; 1j).
  14. Connector piece according to claim 13,
    characterised in that
    by means of the angled incision (3j) a nose (37) angled by one of the clamping legs (7j) is formed which is opposite an end section of the other clamping leg (6j).
EP10011946.0A 2006-09-14 2007-09-13 Connector piece for creating an electric contact Active EP2278665B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10011946T PL2278665T3 (en) 2006-09-14 2007-09-13 Connector piece for creating an electric contact

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006043056 2006-09-14
EP07017959A EP1901398B1 (en) 2006-09-14 2007-09-13 Connector piece for creating an electric contact

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP07017959A Division EP1901398B1 (en) 2006-09-14 2007-09-13 Connector piece for creating an electric contact
EP07017959.3 Division 2007-09-13

Publications (2)

Publication Number Publication Date
EP2278665A1 EP2278665A1 (en) 2011-01-26
EP2278665B1 true EP2278665B1 (en) 2017-02-15

Family

ID=38821351

Family Applications (2)

Application Number Title Priority Date Filing Date
EP07017959A Not-in-force EP1901398B1 (en) 2006-09-14 2007-09-13 Connector piece for creating an electric contact
EP10011946.0A Active EP2278665B1 (en) 2006-09-14 2007-09-13 Connector piece for creating an electric contact

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP07017959A Not-in-force EP1901398B1 (en) 2006-09-14 2007-09-13 Connector piece for creating an electric contact

Country Status (3)

Country Link
EP (2) EP1901398B1 (en)
AT (1) ATE510329T1 (en)
PL (1) PL2278665T3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009053940A1 (en) * 2009-11-19 2011-05-26 Hager Electro Gmbh & Co. Kg Connecting device for an electronic electricity meter
DE102010053136A1 (en) * 2010-12-01 2012-06-06 Abb Ag Meter support housing for a meter cabinet
DE202017003723U1 (en) * 2017-07-14 2018-10-16 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Connectors
CH718347B1 (en) 2022-05-06 2022-12-15 Eweco Gmbh Electrical spring contact terminal for a plug-in meter terminal.

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US20020153158A1 (en) * 2001-03-12 2002-10-24 Autonetworks Technologies, Ltd. Terminal, structure of connecting terminal and wire together, and method of producing terminal
EP1544626A1 (en) * 2003-12-16 2005-06-22 HAGER ELECTRO GmbH Connection system for electricity meters
EP1593979A2 (en) * 2004-05-08 2005-11-09 ABB PATENT GmbH Support housing for a meter in a cabinet for meters

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US3823392A (en) * 1972-09-05 1974-07-09 Heyman Mfg Co Female contact blade
US3865462A (en) * 1973-03-07 1975-02-11 Amp Inc Preloaded contact and latchable housing assembly
DE3224933C2 (en) * 1982-07-03 1985-04-18 ELCO Elektronik GmbH, 5241 Niederdreisbach Spring contact for electrical plug connections
US4591230A (en) 1984-06-29 1986-05-27 Frank Roldan Electrical connector receptacle
US5183421A (en) * 1991-07-24 1993-02-02 Foxconn International, Inc. Connector contact and method of manufacture
US6102754A (en) * 1997-03-31 2000-08-15 The Whitaker Corporation Bus bar contact
DE102005021136B4 (en) * 2003-12-16 2014-10-02 Hager Electro Gmbh & Co. Kg Connection system for an electricity meter
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Publication number Priority date Publication date Assignee Title
US20020153158A1 (en) * 2001-03-12 2002-10-24 Autonetworks Technologies, Ltd. Terminal, structure of connecting terminal and wire together, and method of producing terminal
EP1544626A1 (en) * 2003-12-16 2005-06-22 HAGER ELECTRO GmbH Connection system for electricity meters
EP1593979A2 (en) * 2004-05-08 2005-11-09 ABB PATENT GmbH Support housing for a meter in a cabinet for meters

Also Published As

Publication number Publication date
EP1901398B1 (en) 2011-05-18
PL2278665T3 (en) 2017-07-31
EP1901398A1 (en) 2008-03-19
ATE510329T1 (en) 2011-06-15
EP2278665A1 (en) 2011-01-26

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