EP0124721B1 - Connector with orow of u-shaped "lsa-plus" terminals - Google Patents

Connector with orow of u-shaped "lsa-plus" terminals Download PDF

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Publication number
EP0124721B1
EP0124721B1 EP84102700A EP84102700A EP0124721B1 EP 0124721 B1 EP0124721 B1 EP 0124721B1 EP 84102700 A EP84102700 A EP 84102700A EP 84102700 A EP84102700 A EP 84102700A EP 0124721 B1 EP0124721 B1 EP 0124721B1
Authority
EP
European Patent Office
Prior art keywords
lsa
plus
terminals
shaped
terminal
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
Application number
EP84102700A
Other languages
German (de)
French (fr)
Other versions
EP0124721A1 (en
Inventor
Dieter Gerke
Manfred Müller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ADC GmbH
Original Assignee
Krone GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Krone GmbH filed Critical Krone GmbH
Priority to AT84102700T priority Critical patent/ATE22200T1/en
Publication of EP0124721A1 publication Critical patent/EP0124721A1/en
Application granted granted Critical
Publication of EP0124721B1 publication Critical patent/EP0124721B1/en
Expired 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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base

Definitions

  • connection strip is known from DE-A-2 725 551, the U-shape of all double connection contacts being open in the same longitudinal direction of the connection strip. Due to the torsional effects that occur when the wires are pressed into the contact slots, undesired forces are transmitted to the terminal block.
  • a terminal block with approximately Z-shaped LSA-PLUS double connection contacts is known.
  • the Z-shaped LSA-PLUS double connection contacts are arranged one behind the other in the longitudinal direction.
  • These LSA-PLUS connection contacts have two upright, mutually parallel leaf spring legs at an angle of 45 ° to the longitudinal direction, which delimit a slot into which the respective wire is pressed.
  • the two legs of the leaf springs are deflected from one another from their original plane (torsion effect), so that these legs cut through the wire insulation at offset locations and contact the wire on one of the diagonally opposite inner edges of the two legs.
  • This torsional effect also transmits forces to the terminal block.
  • all these forces of the Z-shaped LSA-PLUS double connection contacts act in the same direction and therefore have an additive effect.
  • EP-A-0 041 596 discloses a terminal block for connecting insulated wires to double-contact terminal elements, which are V-shaped and are arranged in the terminal block with the V-shape open transversely to the longitudinal direction of the terminal block.
  • double-contact connection elements with a V-shape opened in the same transverse direction of the terminal block are connected by a one-piece cross-connection to a pair of double-contact connection elements, the opening of the V-shape of the pairs of double-contact connection elements which follow one another in the longitudinal direction of the connection strip is directed alternately in opposite transverse directions of the terminal block, so that the two adjacent angular surfaces of two V-shaped connecting elements which follow one another in the longitudinal direction lie opposite one another in parallel.
  • the object of the invention is to arrange the U-shaped LSA-PLUS double connection contacts in the terminal block in a device of the type mentioned in such a way that the forces arising on the individual connection contacts due to the connection of wires cancel each other out. This is to prevent the introduction of force into the terminal block.
  • every second U-shaped LSA-PLUS double connection contact 2a is rotated by 180 ° around the transverse connection axis. Forces from adjacent double connection contacts 2, 2a act in the opposite direction and thus do not add up, but cancel each other out.
  • Fig. 1 shows the terminal block 1 with Z-shaped LSA-PLUS double connection contacts 2 in a conventional manner of installation.
  • every second LSA-PLUS double connection contact 2a is rotated according to the invention by 180 ° about the transverse connection axis, like that
  • Fig. 4 shows, the forces 5, 5a (arrows) act in the opposite direction and cancel each other out.
  • FIG. 5 shows the U-shaped LSA-PLUS double connection contact 2 used according to the invention with a tap 6 for a surge arrester magazine, not shown.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Cash Registers Or Receiving Machines (AREA)
  • Structure Of Receivers (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Insulated Conductors (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The subject matter of the instant invention is formed by U-shaped, solderless, non-screwed and stripping-free, LSA-PLUS terminals (2, 2a) adapted to be tandem-mounted in longitudinal direction in a terminal strip (1). The terminals are disposed at a relative offset of 180 DEG so that two respective adjacent U-shaped terminals (2, 2a), when viewed from the top, form generally an either X-shape (3) or an O-shape (4).

Description

Die Erfindung betrifft eine Anschlußleiste zum Anschließen isolierter Drähte an je einem Anschlußkontakt eines löt-, schraub- und abisolierfreien, polytropen Luftspalt- (= LSA-PLUS-) Doppelanschlußkontakt gemäß Oberbegriff des Anspruches 1.The invention relates to a terminal strip for connecting insulated wires to a connection contact of a solderless, screw-free and stripping-free, polytropic air gap (= LSA-PLUS) double connection contact according to the preamble of claim 1.

Eine solche Anschlußleiste ist aus der DE-A-2 725 551 bekannt, wobei die U-Form aller Doppelanschlußkontakte in derselben Längsrichtung der Anschlußleiste geöffnet ist. Durch die beim Eindrücken der Drähte in die Kontaktschlitze auftretenden Torsionswirkungen werden unerwünschte Kräfte auf die Anschlußleiste übertragen.Such a connection strip is known from DE-A-2 725 551, the U-shape of all double connection contacts being open in the same longitudinal direction of the connection strip. Due to the torsional effects that occur when the wires are pressed into the contact slots, undesired forces are transmitted to the terminal block.

Aus der DE-A-28 04 478 ist eine Anschlußleiste mit etwa Z-förmigen LSA-PLUS-Doppelanschlußkontakten bekannt. Die Z-förmigen LSA-PLUS-Doppelanschlußkontakte sind in Längsrichtung hintereinander angeordnet. Diese LSA-PLUS-Anschlußkontakte weisen zwei aufrechtstehende, zueinander parallele Blattfederschenkel unter einem Winkel von 45° auf zur Längsrichtung, welche einen Schlitz begrenzen, in den die jeweilige Ader hineingedrückt wird. Im eingedrückten Zustand der Ader werden die beiden Schenkel der Blattfedern aus ihrer ursprünglichen Ebene gegeneinander ausgelenkt (Torsionswirkung), so daß diese Schenkel an versetzten Stellen die Drahtisolation durchschneiden und den Draht an je einer der diagonal gegenüberliegenden Innenkanten der beiden Schenkel kontaktieren. Durch diese Torsionswirkung werden ebenfalls Kräfte auf die Anschlußleiste übertragen. Bei der Anordnung nach der DE-A-28 04 478 wirken alle diese Kräfte der Z-förmigen LSA-PLUS-Doppelanschlußkontakte in die gleiche Richtung und haben dadurch eine addierende Wirkung.From DE-A-28 04 478 a terminal block with approximately Z-shaped LSA-PLUS double connection contacts is known. The Z-shaped LSA-PLUS double connection contacts are arranged one behind the other in the longitudinal direction. These LSA-PLUS connection contacts have two upright, mutually parallel leaf spring legs at an angle of 45 ° to the longitudinal direction, which delimit a slot into which the respective wire is pressed. When the wire is pressed in, the two legs of the leaf springs are deflected from one another from their original plane (torsion effect), so that these legs cut through the wire insulation at offset locations and contact the wire on one of the diagonally opposite inner edges of the two legs. This torsional effect also transmits forces to the terminal block. In the arrangement according to DE-A-28 04 478, all these forces of the Z-shaped LSA-PLUS double connection contacts act in the same direction and therefore have an additive effect.

Schließlich ist aus der EP-A-0 041 596 eine Anschlußleiste zum Anschließen isolierter Drähte an Doppelkontakt-Anschlußelementen bekannt, die V-förmig ausgebildet und mit quer zur Längsrichtung der Anschlußleiste geöffneter V-Form in der Anschlußleiste angeordnet sind. Dabei sind vorzugsweise zwei Doppelkontakt-Anschlußelemente mit in dieselbe Querrichtung der Anschlußleiste geöffneter V-Form durch eine einstückige Querverbindung zu einem Doppelkontakt-Anschlußelemente-Paar verbunden, wobei die Öffnung der Form V-Form der in Längsrichtung der Anschlußleiste aufeinander folgenden Doppelkontakt-Anschlußelement-Paare abwechselnd in entgegengesetzte Querrichtungen der Anschlußleiste gerichtet ist, so daß sich jeweils die zwei benachbarten Winkelflächen zweier in Längsrichtung aufeinander folgender V-förmiger Anschlußelemente parallel gegenüberliegen.Finally, EP-A-0 041 596 discloses a terminal block for connecting insulated wires to double-contact terminal elements, which are V-shaped and are arranged in the terminal block with the V-shape open transversely to the longitudinal direction of the terminal block. In this case, preferably two double-contact connection elements with a V-shape opened in the same transverse direction of the terminal block are connected by a one-piece cross-connection to a pair of double-contact connection elements, the opening of the V-shape of the pairs of double-contact connection elements which follow one another in the longitudinal direction of the connection strip is directed alternately in opposite transverse directions of the terminal block, so that the two adjacent angular surfaces of two V-shaped connecting elements which follow one another in the longitudinal direction lie opposite one another in parallel.

Aufgabe der Erfindung ist es, bei einer Vorrichtung der eingangs genannten Art die U-förmigen LSA-PLUS-Doppelanschlußkontakte in der Anschlußleiste derart anzuordnen, daß sich die an den einzelnen Anschlußkontakten durch den Anschluß von Adern entstehenden Kräfte gegenseitig aufheben. Eine Krafteinleitung in die Anschlußleiste soll so verhindert werden.The object of the invention is to arrange the U-shaped LSA-PLUS double connection contacts in the terminal block in a device of the type mentioned in such a way that the forces arising on the individual connection contacts due to the connection of wires cancel each other out. This is to prevent the introduction of force into the terminal block.

Diese Aufgabe wird durch die Kennzeichnenden Merkmale des Anspruchs 1 gelöst.This object is achieved by the characterizing features of claim 1.

So werden die durch den Anschluß der Adern entstehenden Torsionswirkungen gegenseitig aufgehoben und eine Krafteinleitung in die Anschlußleiste vermieden.In this way, the torsional effects caused by the connection of the wires are mutually canceled out and the introduction of force into the terminal block is avoided.

Die Erfindung wird anhand des in der Zeichnung dargestellten Ausführungsbeispieles näher erläutert. Es zeigen :

  • Figur 1 die Draufsicht einer Anschlußleiste mit LSA-PLUS-Doppelanschlußkontakten in bekannter Einbauordnung,
  • Figur 2 die Draufsicht der Anschlußleiste mit erfindungsgemäß um 180° zueinander verdrehten LSA-PLUS-Doppelanschlußkontakten,
  • Figur 3 die Kräfte an den LSA-PLUS-Doppelanschlußkontakten beim Einbau nach Fig. 1,
  • Figur 4 die Kräfte an den LSA-PLUS-Doppelanschlußkontakten beim Einbau nach Fig. 2,
  • Figur 5 einen LSA-PLUS-Doppelanschlußkontakt.
The invention is explained in more detail with reference to the embodiment shown in the drawing. Show it :
  • 1 shows the top view of a terminal block with LSA-PLUS double connection contacts in a known installation order,
  • FIG. 2 shows the top view of the terminal strip with LSA-PLUS double connection contacts rotated with respect to one another by 180 °,
  • 3 shows the forces on the LSA-PLUS double connection contacts during installation according to FIG. 1,
  • FIG. 4 shows the forces on the LSA-PLUS double connection contacts during installation according to FIG. 2,
  • Figure 5 shows an LSA-PLUS double connection contact.

Wie die Fig. 2 zeigt, sind die LSA-PLUS-Doppelanschlußkontakte 2, 2a hintereinander in Längs-' richtung in der Anschlußleiste 1 angeordnet.2 shows, the LSA-PLUS double connection contacts 2, 2a are arranged one behind the other in the longitudinal 'direction in the terminal block 1.

Damit die beim Anschluß der Adern 7 entstehenden Torsionskräfte der einzelnen LSA-PLUS-Anschlußkontakte nicht in die gleiche Richtung wirken, ist jeder zweite U-förmige LSA-PLUS-Doppelanschlußkontakt 2a um 180° um die Verbindungsquerachse verdreht angeordnet. Kräfte von benachbarten Doppelanschlußkontakten 2, 2a wirken dadurch in entgegengesetzter Richtung und addieren sich somit nicht, sondern heben sich gegenseitig auf.So that the torsional forces of the individual LSA-PLUS connection contacts that arise when the wires 7 are connected do not act in the same direction, every second U-shaped LSA-PLUS double connection contact 2a is rotated by 180 ° around the transverse connection axis. Forces from adjacent double connection contacts 2, 2a act in the opposite direction and thus do not add up, but cancel each other out.

Die Fig. 1 zeigt die Anschlußleiste 1 mit Z-förmigen LSA-PLUS-Doppelanschlußkontakten 2 in herkömmlicher Einbauweise.Fig. 1 shows the terminal block 1 with Z-shaped LSA-PLUS double connection contacts 2 in a conventional manner of installation.

Die Fig. 3 zeigt, daß beim herkömmlichen Einbau der LSA-PLUS-Doppelanschlußkontakte 2 die Kräfte 5, 5a (Pfeile) in gleicher Richtung wirken.3 shows that the forces 5, 5a (arrows) act in the same direction in the conventional installation of the LSA-PLUS double connection contacts 2.

Wird dagegen jeder zweite LSA-PLUS-Doppelanschlußkontakt 2a erfindungsgemäß um 180° um die Verbindungsquerachse verdreht, wie dieIn contrast, every second LSA-PLUS double connection contact 2a is rotated according to the invention by 180 ° about the transverse connection axis, like that

Fig. 4 zeigt, wirken die Kräfte 5, 5a (Pfeile) in entgegengesetzter Richtung und heben sich gegenseitig auf.Fig. 4 shows, the forces 5, 5a (arrows) act in the opposite direction and cancel each other out.

Die Fig. 5 zeigt den erfindungsgemäß verwendeten U-förmigen LSA-PLUS-Doppelanschlußkontakt 2 mit einem Abgriff 6 für ein nicht dargestelltes Überspannungsableitermagazin.5 shows the U-shaped LSA-PLUS double connection contact 2 used according to the invention with a tap 6 for a surge arrester magazine, not shown.

Claims (1)

  1. A connector block for connecting insulated wires to a respective terminal element of a solder- less, stripless and unscrewed dual terminal having a polytropic air gap (= LSA-PLUS dual terminal), comprising two terminal elements (2) which are offset from a U-shaped base member at an inclination to said base member and which are made of leaf-shaped resilient contact material including a slot whose main portion, which is contiguous with a flared insertion mouth and is defined by sharp edges, has a width that is smaller than the thickness of the metallic core of the wire so that when the wire is urged into the slot the wire insulation will be severed and contact will be made between the wire and the LSA-PLUS terminal in a connector block (1) having a plurality of LSA-PLUS dual terminals disposed serially in longitudinal direction, characterised in that the legs of the LSA-PLUS dual terminals (2, 2a) are disposed at an inclination relative to the U-shaped support member such that the extensions of the legs will meet at a point on the longitudinal axis of the connector block (1), and that the LSA-PLUS dual terminals (2, 2a) are disposed in longitudinal direction of the connector block (1) alternately rotated by 180° about the transverse connecting axis such that two adjacent LSA-PLUS dual terminals (2, 2a) in plan view alternately have X-configuration (3) or 0-configuration (4).
EP84102700A 1983-04-09 1984-03-13 Connector with orow of u-shaped "lsa-plus" terminals Expired EP0124721B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84102700T ATE22200T1 (en) 1983-04-09 1984-03-13 TERMINAL BAR WITH U-SHAPED LSA POSITIVE TERMINAL CONTACTS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3312754A DE3312754C1 (en) 1983-04-09 1983-04-09 Device with U-shaped LSA-PLUS connection contacts
DE3312754 1983-04-09

Publications (2)

Publication Number Publication Date
EP0124721A1 EP0124721A1 (en) 1984-11-14
EP0124721B1 true EP0124721B1 (en) 1986-09-10

Family

ID=6195817

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84102700A Expired EP0124721B1 (en) 1983-04-09 1984-03-13 Connector with orow of u-shaped "lsa-plus" terminals

Country Status (15)

Country Link
US (1) US4615576A (en)
EP (1) EP0124721B1 (en)
AT (1) ATE22200T1 (en)
AU (1) AU569068B2 (en)
BR (1) BR8306070A (en)
CA (1) CA1213648A (en)
DD (1) DD217374A5 (en)
DE (1) DE3312754C1 (en)
DK (1) DK157224C (en)
FI (1) FI73540C (en)
HU (1) HU187989B (en)
IN (1) IN163071B (en)
NO (1) NO160886C (en)
NZ (1) NZ207563A (en)
PT (1) PT77681B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3405998C2 (en) * 1984-02-20 1986-12-18 Krone Gmbh, 1000 Berlin Electrical multiple connector
US4789354A (en) * 1987-09-14 1988-12-06 Minnesota Mining And Manufacturing Company Voice/data communication termination connector
US5044979A (en) * 1989-10-12 1991-09-03 The Siemon Company Connector block and terminal
DK0588834T3 (en) * 1991-06-12 1996-03-04 Mod Tap W Corp Electrical Connector
JPH07176336A (en) * 1993-09-30 1995-07-14 Siemon Co:The Wiring block electrically extended provided with break test function
DE4341152C1 (en) * 1993-12-02 1995-03-16 Quante Ag Connecting strip for making contact with conductors without stripping the insulation
FR2734412B1 (en) * 1995-05-16 1997-07-04 Connectors Pontarlier DEVICE WITH ELECTRICAL CONTACTS WITH INSULATOR DISPLACEMENT
US5622516A (en) * 1995-05-17 1997-04-22 Lucent Technologies Inc. Insulation displacement terminal with two-wire insertion capability
US5647760A (en) * 1995-05-17 1997-07-15 Lucent Technologies Inc. Insulation displacement contact including retention means
US5591045A (en) * 1995-05-18 1997-01-07 The Whitaker Corporation Wire connecting system
US6398580B2 (en) 2000-01-11 2002-06-04 Visteon Global Tech., Inc. Electrical terminal member
US6674014B2 (en) * 2001-09-28 2004-01-06 Rockwell Automation Technologies, Inc. Unique way of terminating devices using insulation displacement
US20060030199A1 (en) * 2004-08-05 2006-02-09 Adc Gmbh Multi wire insulation displacement contact and a method of making multi wire terminations
DE102008013317B4 (en) * 2008-03-10 2010-10-14 Adc Gmbh Method for producing a wire connection strip with gel filling
GB2578283B (en) * 2018-09-17 2022-07-13 Guzu Holdings Pty Ltd Electrical connector

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2725551C2 (en) * 1977-06-07 1983-11-17 Krone Gmbh, 1000 Berlin Electrical clamp connector
US4163596A (en) * 1978-01-27 1979-08-07 Minnesota Mining And Manufacturing Company Electrical connector
DE2804478C2 (en) * 1978-01-31 1982-11-25 Krone Gmbh, 1000 Berlin Electrical clamp connector for the production of a contact on a fixed connection element without soldering, screwing or stripping, in particular for telecommunication line technology
DE2814069C3 (en) * 1978-03-30 1982-03-25 Krone Gmbh, 1000 Berlin Device and method for producing a contact free of soldering, screwing and stripping on a fixed connection element, in particular for telecommunications line technology
JPS5556379A (en) * 1978-10-19 1980-04-25 Yamaichi Electric Mfg Presssfitting connector terminal for coated conductor
DE3021798C2 (en) * 1980-06-11 1982-03-11 Krone Gmbh, 1000 Berlin Device and method for producing a double contact on a clamp connector that does not require soldering, screwing or stripping

Also Published As

Publication number Publication date
IN163071B (en) 1988-08-06
EP0124721A1 (en) 1984-11-14
DD217374A5 (en) 1985-01-09
DK157224C (en) 1990-04-23
FI841378A0 (en) 1984-04-06
NZ207563A (en) 1987-10-30
FI841378A (en) 1984-10-10
BR8306070A (en) 1984-11-13
PT77681B (en) 1986-02-12
AU2631684A (en) 1984-10-11
PT77681A (en) 1983-12-01
DK172584D0 (en) 1984-03-29
FI73540C (en) 1987-10-09
HUT34645A (en) 1985-03-28
US4615576A (en) 1986-10-07
DK172584A (en) 1984-10-10
ATE22200T1 (en) 1986-09-15
HU187989B (en) 1986-03-28
FI73540B (en) 1987-06-30
DE3312754C1 (en) 1984-10-31
NO160886B (en) 1989-02-27
NO160886C (en) 1989-06-07
NO841098L (en) 1984-10-10
CA1213648A (en) 1986-11-04
DK157224B (en) 1989-11-20
AU569068B2 (en) 1988-01-21

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