EP0037758A1 - Elektrische Vorrichtung zum automatischen Verbinden, insbesondere Verbinder für elektrische Leiter - Google Patents

Elektrische Vorrichtung zum automatischen Verbinden, insbesondere Verbinder für elektrische Leiter Download PDF

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Publication number
EP0037758A1
EP0037758A1 EP81400419A EP81400419A EP0037758A1 EP 0037758 A1 EP0037758 A1 EP 0037758A1 EP 81400419 A EP81400419 A EP 81400419A EP 81400419 A EP81400419 A EP 81400419A EP 0037758 A1 EP0037758 A1 EP 0037758A1
Authority
EP
European Patent Office
Prior art keywords
guide
wing
spring strip
spring
electrical
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
EP81400419A
Other languages
English (en)
French (fr)
Other versions
EP0037758B1 (de
Inventor
Guy Durand
Daniel Paulin
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.)
Legrand SA
Original Assignee
Legrand SA
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 Legrand SA filed Critical Legrand SA
Publication of EP0037758A1 publication Critical patent/EP0037758A1/de
Application granted granted Critical
Publication of EP0037758B1 publication Critical patent/EP0037758B1/de
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
    • H01R4/28—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 present invention relates generally to electrical equipment with automatic connection, that is to say electrical equipment whose connection terminals do not require the use of any screws, their connection to an electrical conductor being by simply plugging it in, previously stripped for this purpose at its end, and it targets more particularly, but not exclusively, those of these electrical devices which have no other function than ensuring the junction of two or several electrical conductors, for example for the establishment of branches, and therefore constitute only simple connectorso
  • they comprise, in a housing made of insulating material having at least one inlet passage or plug-in orifice suitable for the introduction of the conductive core of an electrical conductor, a metal part, called here for convenience, and a spring strip, which extends obliquely to the axis of said inlet passage, and which, when the conductive core of an electrical conductor is actually engaged in such an inlet passage , is suitable for applying it against said guide.
  • the spring strip is attached by riveting to the guide, that is to say that the rivet used for this purpose constitutes a part. independent, either that it is formed from a lug coming in one piece with the guide, by appropriate cutting and folding, in the manner of stapling.
  • the present invention generally relates to an electrical apparatus with automatic connection, and in particular a connector for electrical conductors, free of such a drawback, and also having other advantages.
  • This electrical apparatus is of the type comprising, in an insulating material housing having at least one inlet passage suitable for the introduction of the conductive core of an electrical conductor, a metal U-shaped piece, known as a guide, and a spring, which extends obliquely to the axis of said inlet passage, between the wings of said guide and which, when the conducting core of an electrical conductor is engaged in such an en- tr ed passageway , is suitable for applying said conductive core against one of said wings of said guide, and is characterized in that, by a fold, said spring strip is fitted onto the other wing of the guide.
  • the mechanical subjugation of the elastic strip to the guide for constituting a self-supporting unit is in no way dependent on the specific qualities of the material constituting this guide, which is advantageously a guarantee of permanence of the electrical characteristics of the together in time.
  • the fold of the spring strip forms a spring loop, so that, on the internal side of the guide, the spring strip bears by an elbow on the concerned wing of the latter, while, on the external side of said guide, it takes support on this wing by a flat part.
  • Such a spring loop has a double advantage.
  • the mechanical securing thus obtained of this spring strip to this guide does not translate, to the outside of said guide, only by a slight projection, so that the overall dimensions of the assembly perpendicular to the direction of insertion is advantageously reduced.
  • this projection is reduced to the thickness of the spring strip, even when, in order to prevent it from escaping from the guide by a progressive path, there is provided a projection on the latter with which, for its retention, said spring strip is engaged by a recess.
  • the fitting according to the invention of the spring strip on the guide for the subjection to this of this spring strip constitutes only a relatively simple and economical mounting operation to be carried out, in particular compared to the operations riveting or stapling usually implemented so far for such subjugation
  • a tongue is preferably cut at the free end of the spring strip, said tongue being folded in the direction of the guide wing against which must be applied such a conductive core.
  • this tongue which constitutes the active part of the spring strip, that is to say the part of this strip which ensures the effective retention of the conductive core of the conductor concerned by applying it against the guide, forms, with this guide, an angle more acute than that of the current part of the spring strip and, therefore, it is capable of better anchoring in said conductive core
  • this tongue is, during assembly, preserved from any contact with the guide, because, v i s with respect to the latter, it is set back with respect to the current part of the spring strip, so that it is only the latter which bears on said guide.
  • the active edge of the tongue of the spring strip is thus spared from any matting, and, which is favorable to the retaining function which it must assume, it retains all its integrity and all its cutting edge.
  • the slots thus separating two by two these spring lamellae have disjoint edges.
  • the spring lamellae are completely independent from one another, so that the clamping pressure developed by any of them on the conductive core d 'a driver is in no way conditioned by the state, tightness or freedom, of others.
  • the middle part of the guide has an opening to the right of each of these inlet passages, for passage of such a conductive core.
  • said middle part of the guide extends beyond the spring lamellae relative to the inlet passages, the concavity of this guide being directed towards the latter.
  • each conductor, and therefore its conductive core are advantageously guided on either side of the electrical contact zone due to the lamella of corresponding spring, namely, by the inlet passage of the housing, on a first side of this contact zone, and by the opening of the guide, on the other side thereof.
  • the housing is preferably formed of a hollow body in a thermowell, and of a closure wall attached to said body.
  • the inlet passages of said housing are preferably formed in said closing wall of the latter.
  • such a connector 10 comprises a case of insulating material 13 having, side by side, on the same face, at least two inlet passages 14 each suitable for the introduction of the conductive core 12 of an electrical conductor 11.
  • these inlet passages 14 are three in number, but it goes without saying that such a number is in no way limitative of the present invention.
  • the housing 13 is formed by a hollow body 1 5 , in a flattened glove finger, and a transverse closure wall 16, attached to said body 15, at the outlet of the latter.
  • the hollow body 15 On its opposite main faces, the hollow body 15 has outward depressions 18 adapted to facilitate gripping, FIGS. 1 and 2.
  • the housing 13 At its end opposite to the closure wall 16, the housing 13 also has an opening 19 suitable, in the usual manner, for tension checks.
  • the closure wall 16 comprises transversely a shoulder 20 by which it bears against a complementary shoulder 21 of the housing 13, and it is secured to this housing by welding, bonding, snap-fastening or the like.
  • Each inlet passage 14 is formed of two successive sections, namely, a first section of greater diameter 22, suitable for full-diameter penetration of a conductor 11, and a second section of smaller diameter 23, suitable only for penetration of the conductive core 12 of such a conductor 11.
  • This guide 25 is for example made of tinned copper.
  • the concavity of the guide 25 is therefore directed towards the inlet passages 14.
  • the middle part 30 of the guide 25 has an opening 330
  • the wing 26 of the guide 25 has, on its internal face, a groove 35.
  • such a groove 35 has transversely a trapezoidal section
  • a lug 370 On the outer face of the wing 27 of the guide 25 protrudes, along each of the longitudinal edges of this wing, near its transverse edge, a lug 370
  • such a lug 37 which is integral with the guide 25, is formed by a tongue, which is cut in the wing 27 concerned of this guide and protrudes on this wing away from the edge transverse free of it, and whose end is endowed a spoiler 39, by striking for example.
  • the wing 27 of the guide 25 thus formed is substantially longer than the wing 26 of the latter, but it is obviously not necessarily so.
  • a spring strip 40 which extends obliquely relative to the axis of said inlet passage, between the wings 26 and 27 of the guide 25, and which, when the conductive core 12 of an electrical conductor 11 is engaged in such an inlet passage 14, is suitable for applying said conductive core 12 against said wing 26 of the guide 25, as will appear below
  • the slots 42 thus separating two by two the spring lamellae 40 have disjoint edges; in other words, the edges or lips of such a slot 42 are at a distance from each other.
  • each spring strip 40 is simply fitted by a fold 43 on the wing 27 of the guide 25.
  • such a fold 43 is obviously common to all of the spring lamellae 40, belonging to the part 41 from which these come.
  • this fold 43 forms, between the wings 26, 27 of the guide 25, a spring loop 44.
  • this part plane 47 has two recesses by which said fold 43 is engaged with the lugs 37 provided for this purpose projecting from the wing 27 concerned of the guide 25 on which it is engaged.
  • the transverse size of the connector 1 0 is mainly conditioned by the spacing between the flanges 26, 27 of the guide 25 it contains , the projection on the wing 27 of this guide due to the subjection to the latter of the spring lamellae 40 being reduced in practice to the sole thickness of these.
  • a tongue 50 is, according to the invention, cut, for example by stamping, at the free end of each spring strip 40, FIGS. 1 and 80
  • Such a tongue 50 is folded in the direction of the wing 26 of the guide 250
  • This angle of incidence I 1 is for example of the order of 30 to 35 ° for the rest position of such a spring strip 400
  • the active edge of such a tongue 50 which itself constitutes the active part of the spring strip 40 from which it is detached, is offset longitudinally relative to the corresponding edge of the running part of this spring strip 40, and is therefore set back relative to the latter; therefore, only the edge of the current part of the spring leaf 40 bears against the wing 26 of the guide 25 for the rest configuration shown in FIG. 20
  • Such a spring strip 40 then presses the conductive core 12 against the wing 26 of the guide 25, the corresponding elasticity being due both to its own flexural elasticity and to the torsional elasticity of the loop 44 of the fold 43 which extends it.
  • the tongue 50 of the spring strip 40 is anchored in the conductive core 12, and therefore opposes any release thereof by simple traction.
  • the spring strip 40 is braced between, on the one hand, the tongue 50, which, by means of the conductive core 12 of the conductor 11, is supported on the wing 26 of the guide 25, and, on the other hand, the elbow 45 of the fold 43 which extends it, which is supported on the other wing 27 of this guide 25 ; it therefore arches finally between said wings 26, 27 of guide 250
  • the middle part 30 of this guide 25 extends beyond the spring strip 40 relative to the corresponding inlet passage 14, so that the conductive core 12 of the conductor 11 concerned is suitably guided on either side of the contact zone provided by this spring strip, namely, by the inlet passage 14 on a first side of this contact zone, and through the corresponding opening 33 of the guide 25, on the other side of the latter.
  • the conductive core 12 of conductor 11 is suitably positioned further n ed by its engagement in the corresponding groove 35 of the flange 26 of the guide 25 in contact with which it is located.
  • the electrical connection is made essentially by the guide 25, the spring lamellae 40 however participating in this electrical connection when, as is usual, the part 41 to which they belong is a metal part.
  • this part 41 on the wing 27 of the guide 25 is sufficient to ensure the subjection of the latter to this guide, in particular during the mounting of the assembly, the pins 37 provided projecting from this guide 25 making it possible to avoid that, under the stresses due to repeated withdrawals of electrical conductors 11 as described above, such a part 41 does not come inadvertently, by progressive path, more or less partially escape the guide 25.
  • the present invention is not limited to the embodiment described and shown, in particular as regards the number of electrical conductors 11 capable of being inserted in the connector more particularly described.
  • the field of application of the invention is not limited to that of such connectors, but extends to that of any electrical apparatus comprising a terminal suitable for the connection of an electrical conductor.
  • each spring strip is to be taken into consideration in isolation, for the production of an individual connection terminal, without direct connection with the spring strip of the other connection terminals of the same type as can further present such electrical equipment.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
EP81400419A 1980-04-04 1981-03-18 Elektrische Vorrichtung zum automatischen Verbinden, insbesondere Verbinder für elektrische Leiter Expired EP0037758B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8007675 1980-04-04
FR8007675A FR2480037A1 (fr) 1980-04-04 1980-04-04 Appareillage electrique a connexion automatique, notamment pour conducteurs electriques

Publications (2)

Publication Number Publication Date
EP0037758A1 true EP0037758A1 (de) 1981-10-14
EP0037758B1 EP0037758B1 (de) 1984-06-13

Family

ID=9240559

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81400419A Expired EP0037758B1 (de) 1980-04-04 1981-03-18 Elektrische Vorrichtung zum automatischen Verbinden, insbesondere Verbinder für elektrische Leiter

Country Status (13)

Country Link
US (1) US4397514A (de)
EP (1) EP0037758B1 (de)
JP (1) JPS5743371A (de)
AR (1) AR226591A1 (de)
AU (1) AU539395B2 (de)
BR (1) BR8102033A (de)
DE (1) DE3164081D1 (de)
DK (1) DK156862C (de)
ES (1) ES269838Y (de)
FR (1) FR2480037A1 (de)
GR (1) GR73556B (de)
IE (1) IE51215B1 (de)
MX (1) MX150860A (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0432227A1 (de) * 1989-04-04 1991-06-19 Solatrol, Inc. Elektrische verbindungseinheit
EP0704932A3 (de) * 1994-09-27 1996-11-06 Wuerth Adolf Gmbh & Co Kg Steckklemme
FR2757687A1 (fr) * 1996-12-20 1998-06-26 Wago Verwaltungs Gmbh Pince de liaison pour des conducteurs electriques a un ou plusieurs fils
FR2769411A1 (fr) * 1997-10-06 1999-04-09 Legrand Sa Borne de connexion a serrage automatique
EP1850417A2 (de) 2006-04-21 2007-10-31 Wago Verwaltungsgesellschaft mbH Isolierstoffgehäuse für elektrische Klemmen.
WO2014124964A1 (de) * 2013-02-13 2014-08-21 Wago Verwaltungsgesellschaft Mbh Federkraftklemmanschluss und leiteranschlussklemme
US9761964B2 (en) 2014-02-26 2017-09-12 Wago Verwaltungsgesellschaft Mbh Connection terminal and spring-loaded terminal contact therefor

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4566748A (en) * 1984-09-17 1986-01-28 Matsushita Electric Works, Ltd. Connector
JPH0513459Y2 (de) * 1985-12-28 1993-04-09
JPH0631681Y2 (ja) * 1986-05-28 1994-08-22 北陸電気工業株式会社 高圧用可変抵抗器
US4824395A (en) * 1988-02-08 1989-04-25 Ideal Industries, Inc. Push-in wire connector
JPH0330378U (de) * 1989-07-21 1991-03-26
US5045981A (en) * 1990-02-09 1991-09-03 Tivoli Industries, Inc. Lighting system with easily replaceable bulbs and retrofitting cover
US5149279A (en) * 1990-05-23 1992-09-22 Kruse Robert W Push-in electrical connector assembly
JP2591294Y2 (ja) * 1992-11-27 1999-03-03 北陸電気工業株式会社 高電圧抵抗パック
DE19736739A1 (de) * 1997-08-25 1999-03-04 Phoenix Contact Gmbh & Co Elektrische Anschlußklemme, insbesondere für den Einsatz auf Leiterplatten
US6257919B1 (en) 1999-07-01 2001-07-10 Stephen Cutler Electrical connector with improved locking means
DE10130074A1 (de) * 2001-06-21 2003-01-02 Hager Electro Gmbh Anschlußklemme für elektrische Leiter
US7527509B1 (en) * 2005-06-21 2009-05-05 Ideal Industries, Inc. Electrical disconnect with push-in connectors
CA2550527A1 (en) * 2005-06-21 2006-12-21 Ideal Industries, Inc. Electrical disconnect with push-in connectors
DE102006019150B4 (de) * 2006-04-21 2011-06-09 Wago Verwaltungsgesellschaft Mbh Elektrische Verbindungsklemme
US7255592B1 (en) * 2006-05-19 2007-08-14 Heavy Power Co., Ltd. Electrical wire connector
US7727002B2 (en) * 2006-06-21 2010-06-01 Ideal Industries, Inc. Electrical disconnect with adjacent wire receptacle boxes
ITTO20060757A1 (it) * 2006-10-20 2008-04-21 Itw Ind Components Srl Contatto a rilascio rapido adatto ad equipaggiare una morsettiera, in particolare per un dispositivo elettronico accendigas per elettrodomestici
US7507106B2 (en) * 2007-06-14 2009-03-24 Ideal Industries, Inc. Push-in wire connector with improved busbar
DE202010008028U1 (de) * 2009-07-18 2010-12-30 Weidmüller Interface GmbH & Co. KG Anschlussvorrichtung für Leiter
US9660406B2 (en) * 2013-08-30 2017-05-23 The Patent Store Llc Push-in wire connector with collar
DE102016116510A1 (de) * 2016-09-02 2018-03-08 Wago Verwaltungsgesellschaft Mbh Leiteranschlussklemme
TWI645634B (zh) * 2017-05-08 2018-12-21 進聯工業股份有限公司 Conductive component structure for wire connection terminals
CN111585062A (zh) * 2020-05-21 2020-08-25 厦门广泓工贸有限公司 一种新型接线端子
CN114824889A (zh) * 2022-05-09 2022-07-29 东莞市晨名电子科技有限公司 一种采用弯折压迫和弯折导电片方式的自耦合导线接线器

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB751675A (en) * 1953-09-17 1956-07-04 Arrow Electric Switches Ltd Improvements in terminals for electrical wires
US3315052A (en) * 1965-07-16 1967-04-18 Goto Mo Operating mechanism for a miniature tumbler switch
FR2136550A5 (de) * 1971-04-21 1972-12-22 Siemens Ag
FR2208210A1 (de) * 1972-11-28 1974-06-21 Wago Kontakttechnik Gmbh
DE2432084A1 (de) * 1974-07-04 1976-01-22 Wago Kontakttechnik Gmbh Schraubenlose anschluss- oder verbindungsklemme fuer elektrische leitungen
GB1447935A (en) * 1974-12-04 1976-09-02 Alma Ets Ltd Terminal connectors for a closure disc of a capacitor
FR2307382A1 (fr) * 1975-04-11 1976-11-05 Wago Kontakttechnik Gmbh Borne de branchement ou de connexion sans filetage pour lignes electriques

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB466821A (en) * 1935-12-14 1937-06-07 Fritz Siegfried Loebl Improvements in electric connectors and terminals for electric leads
US2591009A (en) * 1948-12-20 1952-04-01 Honeywell Regulator Co Separable electrical connector
US2946036A (en) * 1956-06-22 1960-07-19 John I Paulding Inc Electric switch with terminal plate and wire grip therefor
US4038573A (en) * 1975-04-21 1977-07-26 General Signal Corporation Coil terminating means

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB751675A (en) * 1953-09-17 1956-07-04 Arrow Electric Switches Ltd Improvements in terminals for electrical wires
US3315052A (en) * 1965-07-16 1967-04-18 Goto Mo Operating mechanism for a miniature tumbler switch
FR2136550A5 (de) * 1971-04-21 1972-12-22 Siemens Ag
FR2208210A1 (de) * 1972-11-28 1974-06-21 Wago Kontakttechnik Gmbh
DE2432084A1 (de) * 1974-07-04 1976-01-22 Wago Kontakttechnik Gmbh Schraubenlose anschluss- oder verbindungsklemme fuer elektrische leitungen
GB1447935A (en) * 1974-12-04 1976-09-02 Alma Ets Ltd Terminal connectors for a closure disc of a capacitor
FR2307382A1 (fr) * 1975-04-11 1976-11-05 Wago Kontakttechnik Gmbh Borne de branchement ou de connexion sans filetage pour lignes electriques

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0432227A1 (de) * 1989-04-04 1991-06-19 Solatrol, Inc. Elektrische verbindungseinheit
EP0432227A4 (en) * 1989-04-04 1992-09-09 Solatrol, Inc. Electrical splice assembly
EP0704932A3 (de) * 1994-09-27 1996-11-06 Wuerth Adolf Gmbh & Co Kg Steckklemme
FR2757687A1 (fr) * 1996-12-20 1998-06-26 Wago Verwaltungs Gmbh Pince de liaison pour des conducteurs electriques a un ou plusieurs fils
FR2769411A1 (fr) * 1997-10-06 1999-04-09 Legrand Sa Borne de connexion a serrage automatique
EP0908965A1 (de) * 1997-10-06 1999-04-14 Legrand Selbstspannende Anschlussklemme
EP1850417A2 (de) 2006-04-21 2007-10-31 Wago Verwaltungsgesellschaft mbH Isolierstoffgehäuse für elektrische Klemmen.
EP1850417A3 (de) * 2006-04-21 2009-06-17 Wago Verwaltungsgesellschaft mbH Isolierstoffgehäuse für elektrische Klemmen.
WO2014124964A1 (de) * 2013-02-13 2014-08-21 Wago Verwaltungsgesellschaft Mbh Federkraftklemmanschluss und leiteranschlussklemme
US9525219B2 (en) 2013-02-13 2016-12-20 Wago Verwaltungsgesellschaft Mbh Spring-loaded clamping connection and conductor terminal
RU2653161C2 (ru) * 2013-02-13 2018-05-08 Ваго Фервальтунгсгезелльшафт Мбх Пружинное клеммное соединение и соединительная клемма для провода
US9761964B2 (en) 2014-02-26 2017-09-12 Wago Verwaltungsgesellschaft Mbh Connection terminal and spring-loaded terminal contact therefor
DE102014102517B4 (de) * 2014-02-26 2021-06-10 Wago Verwaltungsgesellschaft Mbh Verbindungsklemme und Federkraftklemmkontakt hierzu

Also Published As

Publication number Publication date
JPS5743371A (en) 1982-03-11
IE51215B1 (en) 1986-11-12
JPS648901B2 (de) 1989-02-15
FR2480037A1 (fr) 1981-10-09
ES269838Y (es) 1984-01-16
ES269838U (es) 1983-07-01
DK156862C (da) 1990-02-26
AR226591A1 (es) 1982-07-30
AU539395B2 (en) 1984-09-27
GR73556B (de) 1984-03-15
US4397514A (en) 1983-08-09
IE810646L (en) 1981-10-04
FR2480037B1 (de) 1983-10-07
DK156862B (da) 1989-10-09
AU6907281A (en) 1981-10-08
EP0037758B1 (de) 1984-06-13
DE3164081D1 (en) 1984-07-19
DK153481A (da) 1981-10-05
BR8102033A (pt) 1981-10-13
MX150860A (es) 1984-08-02

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