EP0937316B1 - Cageclamp-technology connecting piece - Google Patents

Cageclamp-technology connecting piece Download PDF

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Publication number
EP0937316B1
EP0937316B1 EP97947706A EP97947706A EP0937316B1 EP 0937316 B1 EP0937316 B1 EP 0937316B1 EP 97947706 A EP97947706 A EP 97947706A EP 97947706 A EP97947706 A EP 97947706A EP 0937316 B1 EP0937316 B1 EP 0937316B1
Authority
EP
European Patent Office
Prior art keywords
limb
connector
tension spring
leg
lug
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97947706A
Other languages
German (de)
French (fr)
Other versions
EP0937316A1 (en
Inventor
Hans Pfab
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.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE29619139U external-priority patent/DE29619139U1/en
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0937316A1 publication Critical patent/EP0937316A1/en
Application granted granted Critical
Publication of EP0937316B1 publication Critical patent/EP0937316B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/44—Magnetic coils or windings
    • H01H50/443—Connections to coils
    • 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
    • H01R4/4846—Busbar details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5844—Electric connections to or between contacts; Terminals making use of wire-gripping clips or springs
    • 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
    • H01R4/4811—Spring details
    • H01R4/4816—Spring details the spring shape preventing insertion of the conductor end when the spring is unbiased
    • 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
    • H01R4/484—Spring housing details
    • H01R4/4842—Spring housing details the spring housing being provided with a single opening for insertion of a spring-activating tool

Definitions

  • the invention relates to a connector for cage-clamp connection technology, that in one piece as a stamped and bent part is made and the first leg for receiving a Tension spring and a second leg for contacting having.
  • Such a connector is known from DE-C-19510173.
  • a generic connector according to FIG 4 is at Terminal blocks used.
  • the tension spring is on first limb angled support tab supported and thus protected against incorrect operation, that the operating tool is inserted into the wire insertion opening and the tension spring is bent.
  • the angled to the side Support tabs are supported in the housing from.
  • the connector designed in this way is due to the high material costs in the production relatively expensive.
  • the invention has for its object a connector to improve the type mentioned above so that it with little Loss of material can be manufactured.
  • the object is achieved in that from the the first leg a locking tab and the first leg is angled in the opposite direction.
  • FIG. 1 shows a section of a contactor housing, that from an upper part 1, a lower part 2 and a cap 14 is composed.
  • the connector 3 is for cage-clamp connection technology assembled.
  • the connector 3 carries two cage tension spring 4, to operate when connecting one Conductor in the cap 14, an opening 5 for passage a tool, e.g. a screwdriver is provided.
  • the cap 14 is provided with a line feed opening 6 Mistake.
  • the connector shown in a side view in FIG 2 3 is made in one piece as a stamped and bent part and consists from a first leg 7, 2 horn-shaped at its end Recordings 8 has, as well as an almost right angle angled second leg 9, which is used for contacting serves.
  • One between the horn-shaped recordings 8 (see FIG. 3) flipped tab 10 is opposite bent towards the direction of the second leg 9.
  • This Rag 10 which serves to support the cage tension springs 4, can be manufactured without waste.
  • From the first leg 7 is also a locking tab 11 without waste from the Part of the middle sheared and directed against the first leg 7 angled.
  • the second leg 9 is in his Thickness increased by slight deformation 13, whereby there is a play-free seat of the connector 3 in the upper part 1 of the contactor housing can be reached.
  • connection piece 3 is installed in the contactor housing, by first connecting piece 3 with its second leg 9 is inserted into a groove 12 of the upper part 1 and then the lower part 2 is mounted from below, whereby a locking takes place via the locking tab 11.
  • the deformation 13 ensures the play-free fit of the connector 3 in the groove 12.
  • the horn-shaped receptacles 8 are supported on the cap 14 of the contactor housing, so that when the cage tension spring is actuated 4 plastic deformation due to the bending moment prevented on the first leg 7 of the connector 3 becomes.
  • the connector 3 described may be due to the small Material consumption can be manufactured inexpensively. Usually such connectors are made from a punched tape. The cost savings due to lower material consumption are particularly high when the fittings are welded with roller seams Contact pieces are where the stamped tape is continuously welded with a silver band. Here is namely the stamping waste is coated with silver.

Description

Die Erfindung bezieht sich auf ein Anschlußstück für Cage-clamp-Anschlußtechnik, das einstückig als Stanzbiegeteil gefertigt ist und das einen ersten Schenkel zur Aufnahme einer Zugfeder und einen zweiten Schenkel zur Kontaktierung aufweist.The invention relates to a connector for cage-clamp connection technology, that in one piece as a stamped and bent part is made and the first leg for receiving a Tension spring and a second leg for contacting having.

Ein derartiger Anschlußstück ist aus DE-C-19510173 bekannt.Such a connector is known from DE-C-19510173.

Ein gattungsgemäßes Anschlußstück gemäß FIG 4 wird bei Reihenklemmen verwendet. Hierbei wird die Zugfeder durch am ersten Schenkel seitlich abgewinkelte Abstützungslappen abgestützt und somit gegen Fehlbedienungen derart geschützt, daß das Betätigungswerkzeug in die Drahteinführöffnung gesteckt und so die Zugfeder verbogen wird. Die seitlich abgewinkelten Abstützungslappen stützen sich wiederum im Gehäuse ab. Das derartig ausgeführte Anschlußstück ist aufgrund des hohen Materialaufwands in der Herstellung relativ teuer.A generic connector according to FIG 4 is at Terminal blocks used. Here, the tension spring is on first limb angled support tab supported and thus protected against incorrect operation, that the operating tool is inserted into the wire insertion opening and the tension spring is bent. The angled to the side Support tabs are supported in the housing from. The connector designed in this way is due to the high material costs in the production relatively expensive.

Der Erfindung liegt die Aufgabe zugrunde, ein Anschlußstück der obengenannten Art derart zu verbessern, daß es mit geringem Materialverlust fertigbar ist.The invention has for its object a connector to improve the type mentioned above so that it with little Loss of material can be manufactured.

Die Aufgabe wird erfindungsgemäß dadurch gelöst, daß aus dem ersten Schenkel ein Verriegelungslappen ausgeschert und den ersten Schenkel entgegengerichtet abgewinkelt ist.The object is achieved in that from the the first leg a locking tab and the first leg is angled in the opposite direction.

Vorteilhafte Weiterbildungen der Erfindung sind den Unteransprüchen 2 bis 4 zu entnehmen.Advantageous developments of the invention are the subclaims 2 to 4.

Ein Ausführungsbeispiel der Erfindung wird im folgenden anhand einer Zeichnung näher erläutert. Es zeigen:

FIG 1
ein in einem Schützgehäuse montiertes Anschlußstück,
FIG 2
das Anschlußstück gemäß FIG 1 in einer Vorder- und Seitenansicht und
FIG 3
eine perspektivische Ansicht des Anschlußstücks gemäß FIG 1.
An embodiment of the invention is explained below with reference to a drawing. Show it:
FIG. 1
a connector mounted in a contactor housing,
FIG 2
the connector of Figure 1 in a front and side view
FIG 3
a perspective view of the connector according to FIG. 1

In FIG 1 ist ein Ausschnitt eines Schützgehäuses dargestellt, das aus einem Oberteil 1, einem Unterteil 2 und einer Kappe 14 zusammengesetzt ist. In dem ist Anschlußstück 3 für Cage-clamp-Anschlußtechnik montiert. Das Anschlußstück 3 trägt zwei Käfig-Zugfeder 4, zu deren Betätigung beim Anschluß eines Leiters in der Kappe 14 eine Öffnung 5 zur Durchführung eines Werkzeugs, z.B. eines Schraubendrehers, vorgesehen ist. Außerdem ist die Kappe 14 mit einer Leitungszuführöffnung 6 versehen.1 shows a section of a contactor housing, that from an upper part 1, a lower part 2 and a cap 14 is composed. In the connector 3 is for cage-clamp connection technology assembled. The connector 3 carries two cage tension spring 4, to operate when connecting one Conductor in the cap 14, an opening 5 for passage a tool, e.g. a screwdriver is provided. In addition, the cap 14 is provided with a line feed opening 6 Mistake.

Das in einer Seitenansicht in FIG 2 dargestellte Anschlußstück 3 ist einstückig als Stanzbiegeteil gefertigt und besteht aus einem ersten Schenkel 7, der an seinem Ende 2 hörnerförmige Aufnahmen 8 aufweist, sowie einem dazu nahezu im rechten Winkel abgewinkelten zweiten Schenkel 9, der zur Kontaktierung dient. An dem ersten Schenkel 7 sind zwei Käfigzugfedern 4 anklemmbar. Ein zwischen den hörnerförmigen Aufnahmen 8 (siehe FIG 3) ausgescherter Lappen 10 ist entgegengesetzt zur Richtung des zweiten Schenkels 9 abgebogen. Dieser Lappen 10, der zur Abstützung der Käfigzugfedern 4 dient, kann abfallos hergestellt werden. Aus dem ersten Schenkel 7 ist außerdem ein Verriegelungslappen 11 abfallos aus der Teilmitte ausgeschert und dem ersten Schenkel 7 entgegengerichtet abgewinkelt. Der zweite Schenkel 9 ist in seiner Dicke durch geringfügige Verformung 13 vergrößert, wodurch sich ein spielfreier Sitz des Anschlußstücks 3 im Oberteil 1 des Schützgehäuses erreichen läßt. The connector shown in a side view in FIG 2 3 is made in one piece as a stamped and bent part and consists from a first leg 7, 2 horn-shaped at its end Recordings 8 has, as well as an almost right angle angled second leg 9, which is used for contacting serves. There are two cage tension springs on the first leg 7 4 attachable. One between the horn-shaped recordings 8 (see FIG. 3) flipped tab 10 is opposite bent towards the direction of the second leg 9. This Rag 10, which serves to support the cage tension springs 4, can be manufactured without waste. From the first leg 7 is also a locking tab 11 without waste from the Part of the middle sheared and directed against the first leg 7 angled. The second leg 9 is in his Thickness increased by slight deformation 13, whereby there is a play-free seat of the connector 3 in the upper part 1 of the contactor housing can be reached.

Die Montage des Anschlußstücks 3 im Schützgehäuse erfolgt, indem zunächst das Anschlußstück 3 mit seinem zweiten Schenkel 9 in eine Nut 12 des Oberteils 1 eingeschoben wird und anschließend das Unterteil 2 von unten montiert wird, wobei eine Verriegelung über den Verriegelungslappen 11 erfolgt. Die Verformung 13 gewährleistet hierbei den spielfreien Sitz des Anschlußstücks 3 in der Nut 12. Es ergibt sich eine punktuelle Preßpassung, wobei der Kunststoff des Gehäuses nachgibt. Die hörnerförmigen Aufnahmen 8 stützen sich an der Kappe 14 des Schützgehäuses ab, so daß bei Betätigung der Käfig-zugfeder 4 eine plastische Verformung aufgrund des Biegemoments auf den ersten Schenkel 7 des Anschlußstücks 3 verhindert wird.The connection piece 3 is installed in the contactor housing, by first connecting piece 3 with its second leg 9 is inserted into a groove 12 of the upper part 1 and then the lower part 2 is mounted from below, whereby a locking takes place via the locking tab 11. The deformation 13 ensures the play-free fit of the connector 3 in the groove 12. There is a selective Press fit, the plastic of the housing giving way. The horn-shaped receptacles 8 are supported on the cap 14 of the contactor housing, so that when the cage tension spring is actuated 4 plastic deformation due to the bending moment prevented on the first leg 7 of the connector 3 becomes.

Das beschriebene Anschlußstück 3 kann aufgrund des geringen Materialverbrauchs kostengünstig gefertigt werden. Üblicherweise werden derartige Anschlußstücke aus einem Stanzband gefertigt. Die Kosteneinsparungen aufgrund geringeren Materialverbrauchs sind besonders hoch, wenn die Anschlußstücke rollnahtgeschweißte Schaltstücke sind, bei denen das Stanzband durchgängig mit einem Silberband beschweißt ist. Hierbei ist nämlich auch der Stanzabfall mit Silber beschichtet.The connector 3 described may be due to the small Material consumption can be manufactured inexpensively. Usually such connectors are made from a punched tape. The cost savings due to lower material consumption are particularly high when the fittings are welded with roller seams Contact pieces are where the stamped tape is continuously welded with a silver band. Here is namely the stamping waste is coated with silver.

Obwohl die vorliegende Erfindung unter Bezugnahme auf die in der beigefügten Zeichnung dargestellte Ausführungsform erläutert ist, sollte berücksichtigt werden, daß damit nicht beabsichtigt ist, die Erfindung nur auf die dargestellte Ausführungsform zu beschränken, sondern alle möglichen Änderungen, Modifizierungen und äquivalente Anordnungen, soweit sie vom Inhalt der Patentansprüche gedeckt sind, einzuschließen.Although the present invention with reference to the in of the accompanying drawing illustrated embodiment is, it should be borne in mind that this is not intended is, the invention only to the illustrated embodiment to limit, but all possible changes, Modifications and equivalent arrangements insofar as they are from Contents of the claims are covered.

Claims (5)

  1. Connector (3) for a cage clamp connection system, which is manufactured in one piece as a punched bending part and which has a first limb (7) to accommodate a cage tension spring (4) and a second limb (9) for contacting, characterized in that an interlocking lug (11) is moved out of the first limb (7) and is bent in the opposite direction to the first limb (7).
  2. Connector according to claim 1, characterized in that at the end of the first limb (7) a lug (10) is moved out and is bent in the opposite direction to the second limb (9).
  3. Connector according to claim 1 or 2, characterized in that the thickness of the second limb (9) is enlarged at least partially by way of deformation (13).
  4. Connector according to claim 2 or 3, characterized in that the lug (10) is moved out between two horn-shaped tension spring receptacles (8).
  5. Connector according to claim 1 to 4, characterized in that the horn-shaped tension spring receptacles (8) are elongated upwards and the lug (10) is therefore supported in the cap (14).
EP97947706A 1996-11-05 1997-10-23 Cageclamp-technology connecting piece Expired - Lifetime EP0937316B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29619139U 1996-11-05
DE29619139U DE29619139U1 (en) 1995-11-06 1996-11-05 Connector for Cageclamp connection technology
PCT/DE1997/002470 WO1998020580A1 (en) 1996-11-05 1997-10-23 Cageclamp-technology connecting piece

Publications (2)

Publication Number Publication Date
EP0937316A1 EP0937316A1 (en) 1999-08-25
EP0937316B1 true EP0937316B1 (en) 2001-01-10

Family

ID=8031465

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97947706A Expired - Lifetime EP0937316B1 (en) 1996-11-05 1997-10-23 Cageclamp-technology connecting piece

Country Status (3)

Country Link
EP (1) EP0937316B1 (en)
CN (1) CN1103127C (en)
WO (1) WO1998020580A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1837887A1 (en) * 2006-03-20 2007-09-26 Siemens Aktiengesellschaft A connecting device and a low-voltage switching device comprising the same
FR2908012B1 (en) * 2006-10-27 2009-01-09 Abb Entrelec Soc Par Actions S ELECTRICAL APPARATUS COMPRISING AT LEAST ONE SPRING CONNECTION TERMINAL
DE102006053352B3 (en) * 2006-11-10 2008-04-17 Phoenix Contact Gmbh & Co. Kg Insert, has two spring legs which are components of leg springs connected to each other by bent joint and stayed together at obtuse angle, where one spring leg is inactive and extends inside region of mounting units
DE102009035549A1 (en) * 2009-07-31 2011-02-03 Siemens Aktiengesellschaft Connecting device for a coil of an electromagnetic switching device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4237733C1 (en) * 1992-11-09 1993-12-23 Weidmueller Interface Screwless connector for electrical conductors
DE4319018C1 (en) * 1993-06-08 1994-06-30 Kostal Leopold Gmbh & Co Kg Electrical terminal clamp rail
DE4433983A1 (en) * 1994-09-23 1996-03-28 Ackermann Albert Gmbh Co Terminal block for electrical installations
DE19510173C1 (en) * 1995-03-21 1996-04-18 Kostal Leopold Gmbh & Co Kg Screwless electrical conductor terminal clamp
FR2732518B1 (en) * 1995-03-29 1997-04-30 Entrelec Sa CONNECTION ARRANGEMENT FOR ELECTRICAL CONDUCTIVE WIRES AND MODULE, IN PARTICULAR OF THE JUNCTION BLOCK TYPE, EQUIPPED WITH SUCH AN ARRANGEMENT
DE19512371C2 (en) * 1995-04-01 2002-07-04 Abb Patent Gmbh Screwless clamp for an electrical installation device

Also Published As

Publication number Publication date
WO1998020580A1 (en) 1998-05-14
CN1103127C (en) 2003-03-12
EP0937316A1 (en) 1999-08-25
CN1230296A (en) 1999-09-29

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