EP0308307B1 - Trennbare Verbindungsvorrichtung zwischen einem leitenden Stift und mindestens einem Verbindungsdraht - Google Patents

Trennbare Verbindungsvorrichtung zwischen einem leitenden Stift und mindestens einem Verbindungsdraht Download PDF

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Publication number
EP0308307B1
EP0308307B1 EP88402283A EP88402283A EP0308307B1 EP 0308307 B1 EP0308307 B1 EP 0308307B1 EP 88402283 A EP88402283 A EP 88402283A EP 88402283 A EP88402283 A EP 88402283A EP 0308307 B1 EP0308307 B1 EP 0308307B1
Authority
EP
European Patent Office
Prior art keywords
clamp
connection
pin
wire
box
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
EP88402283A
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English (en)
French (fr)
Other versions
EP0308307A1 (de
Inventor
National D'etudes Des Telecommunications Centre
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.)
France Telecom R&D SA
Original Assignee
CENTRE NAT ETD TELECOMM
Centre National dEtudes des Telecommunications CNET
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Publication date
Application filed by CENTRE NAT ETD TELECOMM, Centre National dEtudes des Telecommunications CNET filed Critical CENTRE NAT ETD TELECOMM
Publication of EP0308307A1 publication Critical patent/EP0308307A1/de
Application granted granted Critical
Publication of EP0308307B1 publication Critical patent/EP0308307B1/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
    • H01R4/242—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
    • H01R4/2433—Flat plates, e.g. multi-layered flat plates mounted in an insulating base one part of the base being movable to push the cable into the slot
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S439/00—Electrical connectors
    • Y10S439/933—Special insulation
    • Y10S439/936—Potting material or coating, e.g. grease, insulative coating, sealant or, adhesive

Definitions

  • the present invention relates to a separable electrical connection device, mounted between a conductive pin permanently joined to a cable element or the like and at least one connection wire joining this pin to another similar pin, located at a distance from the first.
  • the sub-distribution strips are constituted by supports where the pins to be connected by the jumpers end, the conductive wires of these engaging transversely in passages formed in the support to be fixed on each some pins corresponding, being wound on them and immobilized by a nut screwing on the threaded end of the chosen spindle.
  • each connection (a jumper has at least two wires, which leads to connecting two by two at least four pins), requiring to strip the end of a wire and to secure it with the associated pin.
  • the connections thus produced are generally made in the open air and are subject to working conditions which can lead to oxidation of the electrical contacts as a result of ambient humidity, possibly creating harmful short-circuits and more generally parasites (crackling) on the lines.
  • FR-A-2 144 322 describes a connection device between an element similar to a pin and an insulated jumper wire, this device comprising a conductive clip with stripping slot, means of connection between the clamp and the pin and means to cause the progressive engagement of the wire on the clamp.
  • the clamp and the pin do not make it possible to produce a separable interconnection. The teaching of this patent is therefore not applicable when the pin is an integral part of the connection device.
  • the present invention relates to a separable connection device which makes it very easy to connect one or more jumpers to the conductive pins of a sub-distribution strip, in particular avoiding the drawbacks of the solutions already known in the art.
  • the device considered realizing the separation between a conductive pin and at least one connection wire inside a connection box, in particular in a distribution network of telephone lines, comprising means suitable for carrying out a electrical connection between at least one jumper wire having a conductive core surrounded by an insulating sheath and a pin secured to the wire, using a conductive clamp having at least one cutting slot, suitable for cutting the sheath of the wire by following the insertion of the latter in the slow by establishing contact with the conductive core of the wire, the clamp being associated with means causing the progressive engagement of the clamp on the wire, said clamp being housed in the housing of connection into which the conductive pin penetrates, this housing being designed to contain a filling of an insulating protective material, surrounding the clamp and the wire, is characterized in that the clamp making the electrical connection is separable from the pin, the connection of the pin and the clamp being effected by cooperation of their ends, of male and female shape respectively.
  • each slow formed in the clamp has an enlarged portion for positioning the wire prior to its engagement in the cutting slot of this clamp.
  • each conductive pin has a threaded endpiece on which a nut is screwed which causes the movement of the clamp in the housing of its housing.
  • the nut comprises an overflowing flange, passing through a hole made in the clamp between the wings thereof, where the threaded end of the pin engages on which the nut is screwed, such so the removal of it after being unscrewed from the spindle, the pliers are removed from the housing.
  • the jumper wires engage in transverse passages provided in the clamp housing.
  • each clamp has a male or female extension which engages by force in a respectively female or male part provided at the end of a connection pin, the clamp being enclosed in a housing independent of the pins and comprising a bottom and a cover, the positioning of the cover against the bottom ensuring the engagement of the connecting wires in the cutting slots of the pliers.
  • the extension of the clamp extends beyond the apparent outline of the housing.
  • the conductive pins penetrate directly inside the housing.
  • the reference 1 designates as a whole a conventional distribution strip, comprising in particular a base 2, allowing its fixing on a support (not shown), by means of screws engaged in holes 3 provided in the corners of the base.
  • the strip 1 comprises a housing 4, fixed to the base 2 by means of screws 5.
  • This housing 4 comprises, in its front face, housings 6 open towards the outside and in its lateral sides transverse passages 7a and 7b for mounting the wires of the connection jumpers.
  • the second passage can be used in the case of a Y mounting, this is ie in the case where a second jumper must be connected to a specific pin.
  • an axial pin 8 opens inside each of the housings 6, this pin being connected by any conventional means to the end of a line 9 ( Figure 3), in particular for telephone use.
  • a line 9 Figure 3
  • connection wires 11a and 11b of a jumper intended to ensure the connection to another strip of the type conventional or similar of a given line, for example to connect the latter to an appropriate subscriber installation.
  • the electrical connection is made quickly and safely by means of a connector device 10, which can be easily installed or separated from the housing 4 and of which Figures 3 and 6 respectively, illustrate two alternative embodiments.
  • connection between pin and wires of the garter is produced by means of a clamp 12, in the form of a jumper, the middle branch of which is suitable for engaging on the corresponding pin 8 while being arranged perpendicular to it.
  • a clamp 12 in the form of a jumper, the middle branch of which is suitable for engaging on the corresponding pin 8 while being arranged perpendicular to it.
  • the lateral branches 13 of this clamp they are then arranged parallel to this pin, therefore perpendicular to the passages 7a, 7b intended for the introduction of the wires of the corresponding garter.
  • these wings 13 comprise, at the level of the wires 11a, 11b of the garter, cutting slots 14, making it possible to cut the insulating sheath of the wires 11a, 11b ( Figure 4) and reach the core of the latter, by carrying out the continuity of the electrical connection with pin 8.
  • the movement of penetration of the clamp 12 into the sheath of the wires 11a, 11b is facilitated by providing in the wings 13 in line with the cutting slots 14, an enlarged zone 15. Furthermore, means are provided capable of causing this movement of penetration.
  • the central part of the clamp 12 is secured to a metal sleeve 16, on which is mounted an operating head 17 of plastic or other material.
  • This sleeve has a flange 18 extending beyond the clamp so that the latter and the head 17 are secured in axial displacement, while allowing the free rotation of this head as the clamp 12 engages in the housing 6.
  • the sleeve 16 has an internal screw thread 19, suitable for cooperating with a thread 20 provided at the end of the spindle 8.
  • the rotation of the head 17 by means of a tool for controlling the such as a screwdriver engaged in a slot 21, makes it possible to simultaneously rotate the sleeve 16 which screws onto the spindle, causing the desired progressive engagement of the clamp 12 between the core of these wires and the spindle.
  • each housing 6 has two recesses 13a intended to receive the ends of the lateral wings 13 of the corresponding connection clamp 12.
  • connection clamps 12 which differ in the length of their lateral wings 13, those of the clamps having to cooperate with wires 11a, 11b, placed in the passages 7a, 7b, the most separated from the front face of the housing 4, being longer than the wings 13 of the other series of connection clamps.
  • a housing 4a comprising a series of superimposed cells 22 inside each of which are arranged two pins 8 connected to lines not shown. These cells can be divided into two separate vertical rows, the front face of the housing 4a having a recess between these two rows.
  • a closure cap 23 When no connection is made at the location of a cell 22, the latter is closed by a closure cap 23. Once the latter has been removed, the connection between the wires 11a and 11b of a jumper and the pin 8 of the corresponding socket 22, is produced by a socket 24, comprising lateral sides 25 and an inner face 26, itself crossed by hollow rods 27. In the example considered, these are one in number two and suitable for engaging, by establishing the desired electrical connection, inside bores 28, provided axially in the pins 8.
  • the hollow rods 27 extend inside the socket 24 by a clamp 29, having a perpendicular rim 30, provided with vertical cutting slots 31, these having at their ends enlarged zones 32 to facilitate the engagement of the wires 11a and 11b, the insulation of which is then stripped by the slots 31, the electrical connection with the pins being thus established.
  • the clamp 29 has two parallel edges 30 and 33.
  • the socket 24 it has a bottom 34 comprising passages 7a and 7b for the introduction of the wires of the garter; a hinged cover 35 supports towards the inside of the socket a support plate 36 intended, when the socket is closed by the cover, to press on the wires 11a and 11b, by making them penetrate into the cutting slots 31 of the pliers 29. Stops 37 and 38 are preferably provided on the cover 35 to limit the penetration of the latter and the penetration of the socket 24 in the housing 22.
  • the interior of the socket 24 is preferably filled, as in the previous example, by insulating petroleum gel.
  • each socket 24 contains two connection clamps 29 for possible mounting in Y, that is to say for mounting a second jumper.
  • a very simple connection device is thus produced, making it possible to safely and quickly connect the wires of a jumper and the connecting pins d '' a distribution strip, by engagement of a socket or the like in an appropriate housing of a housing, this socket carrying at least one cutting pliers stripping the insulation of these wires to establish the desired electrical contact and / or interrupt it this on demand, depending on the connections to be made.
  • the invention does not in particular prejudge the shape of the housings and the cutter pliers which can be produced in various ways without modifying the process involved; the envisaged arrangements provide in all cases an excellent seal for the boxes or connection sockets used, avoiding the effects of humidity, the cutter pliers being housed in closed assemblies and embedded in an appropriate insulator.

Landscapes

  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Claims (9)

  1. Trennbare Vorrichtung zur Verbindung zwischen einem leitenden Kontaktstift und wenigstens einem Verbindungsdraht im Inneren eines Verbindungsgehäuses, insbesondere in einem Verteilernetz von Telefonleitungen, mit geeigneten Mitteln, um mittels einer leitenden Klemme (12, 29), die wenigstens einen Schneidschlitz (14, 30) aufweist, der dazu geeignet ist, den Mantel des Drahts (11a, 11b) infolge seines Eindrückens in den Schlitz (14) zu zerteilen, wobei der Kontakt mit der leitenden Seele des Drahtes hergestellt wird, eine elektrische Verbindung zwischen wenigstens einem Schaltaderdraht (7) mit einer von einem isolierenden Mantel umgebenen, leitenden Seele und einem mit dem Draht fest verbundenen Kontaktstift (8) herzustellen, wobei die Klemme Mitteln zugeordnet ist, die den fortschreitenden Eingriff der Klemme an dem Draht hervorrufen, wobei die Klemme in dem Verbindungsgehäuse (6, 24) untergebracht ist, in das der leitende Kontaktstift (8) eindringt, wobei das Gehäuse zur Aufnahme einer Füllung aus einem isolierenden Schutzmaterial vorgesehen ist, das die Klemme und den Draht umgibt, dadurch gekennzeichnet, daß die die elektrische Verbindung herstellende Klemme von dem Kontaktstift getrennt werden kann, wobei der Anschluß des Kontaktstifts und der Klemme durch das Zusammenwirken ihrer Enden mit Stecker- bzw. Buchsenform hergestellt wird.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß jeder in der Klemme vorgesehene Schlitz einen erweiterten Teil (15) zur Positionierung des Drahtes vor seinem Eingriff in den Schneidschlitz (14) der Klemme aufweist.
  3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das isolierende Schutzmaterial durch ein Petroleumgel gebildet ist.
  4. Vorrichtung nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß jeder leitende Kontaktstift (8) einen Gewindeansatz (20) aufweist, auf den eine Mutter (16) geschraubt wird, die die Verschiebung der Klemme (12) in die Aufnahme (6) ihres Gehäuses (4) hervorruft.
  5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die Mutter (16) einen überstehenden Bund aufweist, der quer durch ein in der Klammer zwischen deren Flügeln vorgesehenes Loch verläuft, wo das Gewindeende (20) des Kontaktstifts (8) in Eingriff gelangt, auf das die Mutter geschraubt wird.
  6. Vorrichtung nach Anspruch 1 bis 5, dadurch gekennzeichnet, daß die Aderndrähte (11a, 11b) in Querdurchgänge (7a, 7b) eingreifen, die in dem Klemmengehäuse vorgesehen sind und in die Aufnahmen (6) senkrecht zu dem in jeder Aufnahme vorgesehenen Kontaktstift (8) münden, wobei jede Aufnahme (6) eine Anschlußklemme (12) in Form einer Klammer enthält, deren Seitenflügel (13) die zum Zerteilen des Mantels der entsprechenden Drähte (11a, 11b) geeigneten Schneidschlitze (14) aufweisen.
  7. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß jede Klemme (29) eine Stecker- oder Buchsenverlängerung (27) aufweist, die mit Kraft in einem Buchsen- bzw. Steckerteil in Eingriff gelangt, der am Ende eines Anschlußkontaktstifts (8) vorgesehen ist, wobei die Klemme in einem von den Kontaktstiften unabhängigen Stecker (24) eingeschlossen ist, der einen Boden (25) und einen Deckel (36) aufweist, wobei das Einsetzen des Deckels gegen den Boden den Eingriff der Verbindungsdrähte (11a, 11b) in den Schneidschlitzen der Klemme sicherstellt.
  8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß die Verlängerung der Klemme über den sichtbaren Umriß des Gehäuses hinaussteht.
  9. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß die leitenden Kontaktstifte direkt ins Innere des Gehäuses eindringen.
EP88402283A 1987-09-18 1988-09-09 Trennbare Verbindungsvorrichtung zwischen einem leitenden Stift und mindestens einem Verbindungsdraht Expired - Lifetime EP0308307B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8712977 1987-09-18
FR8712977A FR2620870B1 (fr) 1987-09-18 1987-09-18 Dispositif de liaison separable entre une broche conductrice et au moins un fil de connexion

Publications (2)

Publication Number Publication Date
EP0308307A1 EP0308307A1 (de) 1989-03-22
EP0308307B1 true EP0308307B1 (de) 1994-06-15

Family

ID=9355051

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88402283A Expired - Lifetime EP0308307B1 (de) 1987-09-18 1988-09-09 Trennbare Verbindungsvorrichtung zwischen einem leitenden Stift und mindestens einem Verbindungsdraht

Country Status (4)

Country Link
US (1) US4917633A (de)
EP (1) EP0308307B1 (de)
DE (1) DE3850198T2 (de)
FR (1) FR2620870B1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5090917A (en) * 1991-05-10 1992-02-25 Thomas & Betts Corporation Insulation displacing connector for providing repeatable sealed termination of electrical conductors
US5139440A (en) * 1991-06-26 1992-08-18 Reliance Comm/Tec Corporation Environmentally sealed insulation displacement connector terminal block
DE59407677D1 (de) * 1993-06-29 1999-03-04 Krone Ag Anschlussmodul
US5368501A (en) * 1993-12-06 1994-11-29 Georgia Tech Research Corporation Rotary actuated, enviromental, insulation displacement connector
CN1107359C (zh) * 1998-12-11 2003-04-30 富士康(昆山)电脑接插件有限公司 一种连接器连线装置及其连线方法
US8900005B2 (en) * 2009-08-11 2014-12-02 Pancon Llc Insulation displacement terminal system with regulated wire compression
JP6774627B2 (ja) * 2016-11-11 2020-10-28 住友電装株式会社 電線の接合構造及びワイヤハーネス

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA481232A (en) * 1952-02-19 Stewart Mclarn Ernest Telephone cord connector
GB618755A (en) * 1946-12-03 1949-02-25 Ian Murray Ross Improvements in or relating to electrical terminals
US2672595A (en) * 1952-12-05 1954-03-16 Gen Electric Electrical cable clamp
US2740100A (en) * 1953-08-24 1956-03-27 Gen Electric Electrical cable clamp
CH460106A (fr) * 1966-07-29 1968-07-31 Fontainemelon Horlogerie Pince de contact pour fil conducteur
CA963552A (en) * 1971-06-28 1975-02-25 James H. Bazille (Jr.) Solderless wire connector
US3960427A (en) * 1974-10-31 1976-06-01 I.C.M. Industries, Inc. Retainer for an end fitting of a welding cable
US4449777A (en) * 1982-03-01 1984-05-22 Minnesota Mining And Manufacturing Company Drop wire connector
FR2541049B1 (fr) * 1983-02-15 1985-09-13 Faucigny Communication Dispositif de connexion autodenudant
US4645285A (en) * 1985-08-26 1987-02-24 Amp Incorporated Sealed insulation displacement connector

Also Published As

Publication number Publication date
DE3850198D1 (de) 1994-07-21
DE3850198T2 (de) 1994-10-13
EP0308307A1 (de) 1989-03-22
FR2620870B1 (fr) 1990-01-05
FR2620870A1 (fr) 1989-03-24
US4917633A (en) 1990-04-17

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