EP0684662B1 - Schneidklemmverbinder - Google Patents

Schneidklemmverbinder Download PDF

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Publication number
EP0684662B1
EP0684662B1 EP95410044A EP95410044A EP0684662B1 EP 0684662 B1 EP0684662 B1 EP 0684662B1 EP 95410044 A EP95410044 A EP 95410044A EP 95410044 A EP95410044 A EP 95410044A EP 0684662 B1 EP0684662 B1 EP 0684662B1
Authority
EP
European Patent Office
Prior art keywords
base
cover
connector according
conductor
connector
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
EP95410044A
Other languages
English (en)
French (fr)
Other versions
EP0684662A1 (de
Inventor
Christophe Grumel
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.)
Schneider Electric SE
Original Assignee
Schneider Electric SE
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Filing date
Publication date
Application filed by Schneider Electric SE filed Critical Schneider Electric SE
Publication of EP0684662A1 publication Critical patent/EP0684662A1/de
Application granted granted Critical
Publication of EP0684662B1 publication Critical patent/EP0684662B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H01R4/2445—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 having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives
    • H01R4/245—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 having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives the additional means having two or more slotted flat portions
    • H01R4/2454—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 having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives the additional means having two or more slotted flat portions forming a U-shape with slotted branches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/65—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal
    • H01R12/67—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal insulation penetrating terminals
    • H01R12/675—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal insulation penetrating terminals with contacts having at least a slotted plate for penetration of cable insulation, e.g. insulation displacement contacts for round conductor flat cables

Definitions

  • the present invention relates to a insulation displacement connector suitable for a flat cable of the type comprising several insulated electrical wires or several bare conductors, embedded in a insulating sheath, and comprising a base, a cover arranged to be adapted on said base and connecting claws, the number of which is at least equal to the number of wires electrical insulated or bare conductors, these connection claws being mounted at inside a space defined by the base and the cover and arranged to accommodate said cable flat, and provided with at least one insulation displacement contact member.
  • the document EP-A-470.887 describes a branch connector for flat cable, in which the insulation displacement contact has an H-shaped structure secured to an intermediate support. The end of each branch is cut at a bevel to form a flared entry. The mounting such a connector is complicated.
  • connectors of the insulation displacement type which are usually used for quick and easy electrical coupling individual electrical wires or pairs of wires, for example used in installations telephone, with connection terminals.
  • the thickness of the the insulating layer surrounding the conductor is weak and the conductor itself is fragile.
  • the contact members housed inside the known connectors have the function nicking the insulation without injuring the conductor to ensure an electrical connection efficient and reliable.
  • These connectors are not suitable for flat wires and cannot be used only for individual threads and not for plies of threads embedded in a ribbon flat insulation.
  • Such a connector is, for example, known from EP-A- 0 443 264.
  • the present invention proposes to overcome this drawback and to provide a connector for efficient and reliable connection of power cables electric comprising several electric wires arranged in a sheet.
  • the base and the cover are respectively provided with grooves respectively separated by bulges longitudinal and longitudinal ribs, these grooves being arranged to cooperate two in pairs and house one of said electrical wires, and the longitudinal bulges and the ribs longitudinal being arranged to cooperate and bear on connecting bridges separating the flat cable wires.
  • the insulation displacement connector 10 is essentially consists of a lower part or base 11 and an upper part or cover 12 arranged to be fitted so as to enclose a flat cable 13.
  • This cable consists, in the nonlimiting example shown, of three isolated wires 13a, 13b and 13c coated in a layer of insulating synthetic material which surrounds the three wires and forms two connecting bridges 14.
  • the base 11 of the connector 10 has a profile suitable for receive the cable 13. For this purpose, it has three grooves 15 which define cells receptors for the three wires 13a, 13b and 13c. These grooves 15 are separated two by two by two longitudinal bulges 16, the vertices of which serve to support the connecting bridges 14 of the cable 13.
  • the cover has a similar geometry and has three grooves 17 intended to receive the wires 13a, 13b and 13c of the cable 13, and more specifically half superior of these sons. The grooves are separated by longitudinal ribs 18 which are supported on the bridges 14.
  • connection claws 19 which are arranged to ensure electrical coupling of the conductors 20a, 20b and 20c of the wires corresponding 13a, 13b and 13c with terminals integral with this connector.
  • These claws are mounted inside the cover 12, preferably by snap-fastening in housings provided for this purpose and produced by molding.
  • the base 11 has two raised side edges 21 each provided at least one central notch 22. These two notches have a profile complementary to that two lateral extensions 23 of the cover 12. When the cover is put in place on the base, the lateral extensions 23 engage in the central notches 22.
  • the raised side edges 21 of the base 11 have the form of gantry gantries 24 whose upper segments 25 are arranged to cooperate with protrusions 26 of the cover, having a triangular section to ensure a snap-in during setting place the cover on the base then lock in position of this cover.
  • the protrusions 26 have an inclined ramp 26a which constitutes a leading edge and which cooperates with the inclined edge 25a of the upper segments 25 of the gantries 24.
  • the base 11 is first positioned under the cable so that the wires enter the receptor cells defined by the three grooves 15, then we follow the cover 12 on the base. This operation ensures the automatic electrical coupling of conductors of the cable wires in a manner which will be described in detail below.
  • grooves 15 is not limited to three, but can extend to any number, especially five, when the cable is intended to convey three-phase electric current and has five coated wires.
  • FIG. 5 shows the cover 12 fitted with three double connecting claws.
  • a of these claws is represented by the perspective view of FIG. 6.
  • These three claws which correspond to the three wires 13a, 13b and 13c of the cable 13, are mounted respectively in the three grooves 17 and more particularly in niches 30 delimited inside these gorges.
  • These niches 30 are delimited by the longitudinal ribs 18, the lateral edges 31 of the cover 12 and of the transverse partitions 32.
  • the claws are forcibly engaged in these niches whose walls are all made in one piece by molding during manufacture of the cover.
  • Each claw 19 has a base 33 which carries two insulation displacement contact members 34.
  • the base 33 and the two contact members are made in one piece of metal by stamping folding.
  • Each insulation displacement contact member 34 comprises two branches 35 and 36 parallel and spaced from each other by an average distance which is equal to or preferably slightly less than the diameter of the conductors 20a, 20b and 20c of the wires 13a, 13b and 13c.
  • the contact members 34 are integral with two opposite sides of the base 33 and have an orientation substantially perpendicular to the plane of the base 33.
  • the profile of the insulation displacement contact members 34 appears in Figure 7.
  • the branches opposite 35 and 36 have at their free end a point 37, 38 which allows a penetration of said members into the thickness of the insulation surrounding the conductors of the wire.
  • This point is connected to a recessed section 39, 40 which defines with the section corresponding from the other branch a slightly enlarged area 41 of the slot defined between the two branches 35 and 36.
  • FIGS. 8 and 9 illustrate the function of the contact members 34 in an initial phase and a final phase of connector use.
  • the phase represented by figure 8 one admits that the outer insulation of the cable has already been punctured by points 37 and 38 which have also penetrated inside the insulating layer surrounding the conductor 20a of the wire 13a. The inner edges of these tips come into contact with the conductor, which has the effect of slightly spreading the two arms 35 and 36 of the contact member 34 when the operator continues to push it in, that is to say to engage the cover carrying this contact on the connector base.
  • Figure 9 shows that this relative movement of the conductor 20a and of the contact member 34 has the effect of slightly deforming this conductor which finally positions itself in the enlarged zone 41, defined with reference to FIG. 7. Thanks to this deformation and the existence of the enlarged zone, the electrical coupling between the contact and the driver performs satisfactorily and without it being necessary to carry out a preliminary stripping.
  • connection claws are advantageously made of an electrically material conductor, such as for example a copper-beryllium alloy which achieves a good compromise between electrical conductivity, elasticity and creep resistance.
  • connection terminals can be fitted to the connector. They may be of the screw, solder, crimp, etc. type.
  • This connector is that it can be placed anywhere on the cable and that it makes it possible to carry out an electrical connection on this cable in a way efficient, fast and safe, without direct intervention on the cable.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (7)

  1. Anschlußverbinder mit automatischer Leiterkontaktierung für ein Flachkabel mit mehreren, in einer Umhüllung angeordneten, isolierten elektrischen Leitungsdrähten oder blanken Leitern, der einen Sockel (11), einen Deckel (12), welcher dazu dient, auf den genannten Sockel aufgesetzt zu werden, sowie Verbindungsklauen (19) umfaßt, deren Anzahl mindestens der Anzahl der isolierten elektrischen Leitungsdrähte (13a, 13b, 13c) bzw. blanken Leiter entspricht, wobei diese Verbindungsklauen im Innern eines durch den Sockel und den Deckel definierten, zur Aufnahme des genannten Flachkabels (13) dienenden Raums angeordnet sind und mindestens ein Kontaktelement zur automatischen Kontaktierung (34) aufweisen,
    dadurch gekennzeichnet, daß
    die Verbindungsklauen (19) im Innern des Deckels (12) angeordnet sind und jede Verbindungsklaue eine Grundplatte (33) mit zwei Kontaktelementen zur automatischen Leiterkontaktierung (34) umfaßt, die jeweils zwei Schenkel (35, 36) aufweisen, welche parallel sowie in einem Abstand zueinander angeordnet sind, der genauso groß wie oder geringfügig kleiner als der Durchmesser des Leiters (20a, 20b, 20c) des zugehörigen elektrischen Leitungsdrahts (13a, 13b, 13c) ist,
    jeder Schenkel (35, 36) des Kontaktelements zur automatischen Leiterkontaktierung (34) eine Spitze, die dazu ausgelegt ist, die den Leiter umgebende Isolation zu durchdringen, sowie einen eingezogenen Abschnitt (39, 40) aufweist, der zusammen mit dem zugehörigen Abschnitt des anderen Schenkels einen, zur Aufnahme des Leiters eines elektrischen Leitungsdrahts dienenden verbreiterten Bereich (41) bildet, in dem die elektrische Kontaktierung zwischen diesem Leiter und der zugehörigen Verbindungsklaue erfolgt.
  2. Anschlußverbinder nach Anspruch 1, dadurch gekennzeichnet, daß der Sockel und der Deckel jeweils durch Längserhebungen (16) bzw. Längsrippen (18) voneinander getrennte Hohlkehlen (15; 17) aufweisen, wobei diese Hohlkehlen (15; 17) dazu ausgelegt sind, paarweise zusammenzuwirken und einen der genannten elektrischen Leitungsdrähte aufzunehmen, und die Längserhebungen (16) bzw. Längsrippen (18) dazu ausgelegt sind, zusammenzuwirken und gegen die, zwischen den einzelnen Leitungsdrähten (13a, 13b, 13c) des Flachkabels (13) ausgebildeten Übergangsstege (14) geführt zu werden.
  3. Anschlußverbinder nach Anspruch 2, dadurch gekennzeichnet, daß die Verbindungsklauen (19) jeweils in eine Vertiefung (30) eingesetzt sind, die im Innern der genannten Hohlkehlen (17) durch Querwände (32) begrenzt ist.
  4. Anschlußverbinder nach Anspruch 1, dadurch gekennzeichnet, daß die Verbindungsklauen (19) aus einem gestanzten, abgekanteten Metallteil bestehen.
  5. Anschlußverbinder nach Anspruch 1, dadurch gekennzeichnet, daß der Sockel (11) zwei hochgezogene Seitenränder (21) mit jeweils mindestens einer Mittelausnehmung (22) und der Deckel (12) zwei seitliche Verlängerungsansätze (23) aufweist, die dazu dienen, in die zugehörigen Mittelausnehmungen (22) des Sockels einzugreifen.
  6. Anschlußverbinder nach Anspruch 5, dadurch gekennzeichnet, daß die hochgezogenen Seitenränder (21) des Sockels als U-förmige Rahmen (24) ausgebildet sind, deren obere Streben (25) dazu dienen, mit am Deckel ausgebildeten Vorsprüngen (26) zusammenzuwirken, um eine lagestabile Befestigung dieses Deckels auf dem Sockel zu gewährleisten.
  7. Anschlußverbinder nach Anspruch 6, dadurch gekennzeichnet, daß die am Deckel (12) ausgebildeten genannten Vorsprünge (26) eine Schräge (26a) aufweisen, die eine Angriffsfläche darstellt, um mit abgeschrägten Kanten (25a) der oberen Streben (25) der als Rahmen (24) ausgebildeten hochgezogenen Ränder (21) des Sockels zusammenzuwirken.
EP95410044A 1994-05-25 1995-05-11 Schneidklemmverbinder Expired - Lifetime EP0684662B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9406571A FR2720551B1 (fr) 1994-05-25 1994-05-25 Connecteur autodénudant.
FR9406571 1994-05-25

Publications (2)

Publication Number Publication Date
EP0684662A1 EP0684662A1 (de) 1995-11-29
EP0684662B1 true EP0684662B1 (de) 1998-10-28

Family

ID=9463659

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95410044A Expired - Lifetime EP0684662B1 (de) 1994-05-25 1995-05-11 Schneidklemmverbinder

Country Status (5)

Country Link
US (1) US5651691A (de)
EP (1) EP0684662B1 (de)
DE (1) DE69505593T2 (de)
ES (1) ES2126234T3 (de)
FR (1) FR2720551B1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6328592B1 (en) * 1996-06-07 2001-12-11 Molex Incorporated Electrical connector with cable clamping means
DE19937313C1 (de) * 1999-08-10 2001-08-23 Fritz Eigen Messerkontakt
US6398580B2 (en) * 2000-01-11 2002-06-04 Visteon Global Tech., Inc. Electrical terminal member
EP1178571A3 (de) * 2000-07-31 2002-04-03 FINCANTIERI CANTIERI NAVALI ITALIANI S.p.A. Verbesserungen in Einrichtungen und Verfahren für die Verteilung von Elektrizität und Signalen, insbesondere zur Verwendung in Schiffen
JP4504534B2 (ja) * 2000-08-22 2010-07-14 矢崎総業株式会社 接続箱の電線保持構造
US6398581B1 (en) * 2000-12-19 2002-06-04 American Standard Inc. Bus connector and method for integrating electrical test points in the bus connector
US6524127B2 (en) * 2001-06-18 2003-02-25 Illinois Tool Works Insulation displacement connector with reversed bevel cutting edge contacts
US6837737B2 (en) 2002-10-10 2005-01-04 American Standard International Inc. Bus connector
US20070270018A1 (en) * 2006-05-17 2007-11-22 3M Innovative Properties Company Low profile punching connector
CH699105A1 (de) * 2008-07-11 2010-01-15 Reichle & De Massari Fa Schneidklemmkontakt und Kontaktierungsvorrichtung.
US20110009016A1 (en) * 2009-07-07 2011-01-13 Sam Liu Snap housing for a modular connector assembly
JP5666005B2 (ja) * 2010-11-03 2015-02-04 ハルティング エレクトロニクス ゲゼルシャフト ミット ベシュレンクテル ハフツングＨＡＲＴＩＮＧ Ｅｌｅｃｔｒｏｎｉｃｓ ＧｍｂＨ プラグインコネクタソケット用のコンタクトエレメント
CN102723624B (zh) * 2012-03-30 2014-04-16 深圳市拓普联科电子有限公司 市电电线连接组件及连接方法
DE102012015581A1 (de) * 2012-08-07 2014-02-13 Rosenberger Hochfrequenztechnik Gmbh & Co. Kg Steckverbinder
JP6476109B2 (ja) * 2015-12-25 2019-02-27 京セラ株式会社 分岐コネクタ

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
US4029384A (en) * 1975-01-20 1977-06-14 Illinois Tool Works Inc. Grounding clip
US4089580A (en) * 1977-02-25 1978-05-16 Amp Incorporated Multi-contact connector and contact terminal for flat cable having a plurality of conductors on close center lines
US4211462A (en) * 1979-01-22 1980-07-08 Stewart Stamping Corporation, A Division Of Insilco Corp. Electrical connector for termination cords with improved locking means
US4326767A (en) * 1979-03-12 1982-04-27 Minnesota Mining And Manufacturing Company Wire cutting electrical connector
US4612423A (en) * 1985-01-23 1986-09-16 Eagle Electric Mfg. Co. Inc. Line switch
DE4005351A1 (de) * 1990-02-20 1991-08-22 Minnesota Mining & Mfg Verbindung fuer mindestens ein paar isolierter leiter
FR2665803B1 (fr) * 1990-08-09 1993-06-18 Labinal Connecteur de derivation.
US5498172A (en) * 1993-07-30 1996-03-12 Sunx Kabushiki Kaisha Electrical connector for interconnecting parallel multiconductor cables

Also Published As

Publication number Publication date
ES2126234T3 (es) 1999-03-16
DE69505593D1 (de) 1998-12-03
FR2720551A1 (fr) 1995-12-01
US5651691A (en) 1997-07-29
EP0684662A1 (de) 1995-11-29
FR2720551B1 (fr) 1996-07-05
DE69505593T2 (de) 1999-06-17

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