EP0308307A1 - Separable connection device between a conductive pin and at least one connection wire - Google Patents

Separable connection device between a conductive pin and at least one connection wire Download PDF

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Publication number
EP0308307A1
EP0308307A1 EP88402283A EP88402283A EP0308307A1 EP 0308307 A1 EP0308307 A1 EP 0308307A1 EP 88402283 A EP88402283 A EP 88402283A EP 88402283 A EP88402283 A EP 88402283A EP 0308307 A1 EP0308307 A1 EP 0308307A1
Authority
EP
European Patent Office
Prior art keywords
clamp
wire
housing
pin
conductive
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
EP88402283A
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German (de)
French (fr)
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EP0308307B1 (en
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
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Centre National dEtudes des Telecommunications CNET
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Publication of EP0308307A1 publication Critical patent/EP0308307A1/en
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Publication of EP0308307B1 publication Critical patent/EP0308307B1/en
Anticipated expiration legal-status Critical
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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 connecting 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 garters 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 may 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.
  • 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 is characterized in that it comprises means suitable for producing an electrical connection between at least one jumper wire having a conductive core surrounded by an insulating sheath and a conductive clip having at least one cutting slot. suitable for cutting the sheath of the wire as a result of it being inserted into the slot by establishing contact with the conductive core of the wire, means for ensuring the electrical connection between the clamp and the pin, and means for causing progressive engagement of the clamp on the wire.
  • each slot made in an arm of the clamp has an enlarged part for positioning the wire prior to its engagement in the cutting slot of the clamp.
  • the conductive clip is housed in a box receiving the conductive pin, this case being designed to contain a filling of an insulating protective material, surrounding the clamp and the wire.
  • the insulating material consists of petroleum gel.
  • 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 case.
  • 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 that removing it after being unscrewed from the spindle causes the clamp to come out of the case.
  • the jumper wires engage in transverse passages provided in the clamp housing.
  • each clamp has a male or female extension which forcibly engages 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 provided in the angles of basement.
  • the strip 1 comprises a box 4, fixed to the base 2 by means of screws 5.
  • This box 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-mount, it is ie in the case where a second jumper must be connected to a specific pin.
  • an axial pin 8 opens out inside each of the housings 6, this pin being connected by any conventional means to the end of a line 9, in particular for telephone use.
  • connection wires 11a and 11b of a jumper In the transverse passages 7a 7b of the housing 4 are also engaged the connection wires 11a and 11b of a jumper, intended to provide the connection to another strip of conventional or similar type of a determined line, for example for 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 made 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 and to reach the core of the latter, by achieving the continuity of the connection electric with pin 8.
  • the central part of the clamp 12 is integral with a metal sleeve 16, on which is mounted an operating head 17 of plastic or other material.
  • This sleeve has a flange 18 projecting under 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 same 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 pliers 12 which differ in the length of their lateral wings 13, those of the pliers having to cooperate with wires 11a, 11b, placed in the passages 7a, 7b, the most separated from the face. front 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 among of 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 trunk 24 of the socket 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 rest on the wires 11a and 11b, making them penetrate into the 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 with 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 box, this socket carrying at least one cutting pliers stripping the insulation of these wires to establish the desired electrical contact and / or inter-express it this on demand, depending on the connections to be made.
  • the invention does not prejudge in particular the shape of the housings and the cutter pliers which can be produced in various ways without modifying the process involved; the provisions envisaged 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)

Abstract

The apparatus comprises means suitable for producing an electrical connection between at least one jumper wire (11a, 11b) having a conductive core surrounded by an insulating sheath and a pin by means of a conductive gripper (12, 29) having at least one cutting slit (14, 30) suitable for cutting through the sheath of the wire (11a, 11b) after the latter is forced into the slit (14) while establishing contact with the conductive core of the wire, means for providing the electrical connection between the gripper and the pin and means (16, 17) for causing the progressive engagement of the gripper onto the wire. <IMAGE>

Description

La présente invention est relative à un dispositif de liaison électrique séparable, monté entre une broche conductrice réunie de façon permanente à un élément de câble ou analogue et au moins un fil de connexion réunissant cette broche à une autre broche similaire, située à distance de la première.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 connecting wire joining this pin to another similar pin, located at a distance from the first.

Dans les installations téléphoniques notamment, il est fréquent d'avoir à établir une liaison temporaire ou permanente entre un conducteur d'amenée et un conducteur de départ, par exemple pour réunir une ligne de transmission à l'installation d'un abonné. Notamment, si les amenées de lignes sont normalement distribuées à un ensemble de broches de connexion monté de façon fixe dans des supports ou réglettes de sous-répartition, il est usuel de réunir les broches correspondantes entre lignes de transmission et installation d'abonnés au moyen de conducteurs souples appelés "jarretières", qui doivent permettre de modifier aisément leur localisation, par exemple lorsque l'abonné change d'adresse ou en fonction d'aménagements particuliers du réseau de distribution.In telephone installations in particular, it is frequent to have to establish a temporary or permanent connection between a supply conductor and a departure conductor, for example to bring together a transmission line at the installation of a subscriber. In particular, if the line feeds are normally distributed to a set of connection pins fixedly mounted in sub-distribution supports or strips, it is customary to join the corresponding pins between transmission lines and installation of subscribers by means flexible conductors called "garters", which must allow their location to be easily modified, for example when the subscriber changes his address or according to specific arrangements in the distribution network.

Dans les solutions classiques, les réglettes de sous-­répartition sont constituées par des supports où aboutissent les broches à connecter par les jarretières, les fils conducteurs de celles-ci s'engageant transversalement dans des passages ménagés dans le support pour venir se fixer sur chacune des broches correspondantes, en étant enroulés sur celles-ci et immobilisés par un écrou se vissant sur l'extrémité filetée de la broche choisie.In conventional solutions, the sub-distribution strips are constituted by supports where the pins to be connected by the garters 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.

Or, ces solutions ne sont pas bien adaptées. En effet, elles sont peu commodes d'emploi, chaque liaison (une jarretière comporte au moins deux fils ce qui conduit à relier deux à deux au moins quatre broches), exigeant de dénuder l'extrêmité d'un fil et de le solidariser avec la broche associée. En outre, les liaisons ainsi réalisées sont généralement faites à l'air libre et sont sujettes à des conditions de travail pouvant conduire à une oxydation des contacts électriques par suite de l'humidité ambiante, en créant éventuellement des court-circuits préjudiciables et plus généralement des parasites (grésillements) sur les lignes.However, these solutions are not well suited. Indeed, they are inconvenient to use, 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. In addition, the connections thus produced are generally made in the open air and are subject to working conditions which may 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.

La présente invention vise un dispositif de liaison séparable qui permet de réaliser très facilement la connexion d'une ou plusieurs jarretières sur les broches conductrices d'une réglette de sous-répartition, en évitant notamment les inconvénients des solutions déjà connues dans la technique.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.

A cet effet, le dispositif considéré se caractérise en ce qu'il comporte des moyens propres à réaliser une liaison électrique entre au moins un fil de jarretière présentant une âme conductrice entourée d'une gaine isolante et une pince conductrice présentant au moins une fente coupante propre à sectionner la gaine du fil par suite de l'enfoncement de celui-ci dans la fente en établissant le contact avec l'âme conductrice du fil, des moyens pour assurer la liaison électrique entre la pince et la broche, et des moyens provoquer l'engagement progressif de la pince sur le fil.To this end, the device considered is characterized in that it comprises means suitable for producing an electrical connection between at least one jumper wire having a conductive core surrounded by an insulating sheath and a conductive clip having at least one cutting slot. suitable for cutting the sheath of the wire as a result of it being inserted into the slot by establishing contact with the conductive core of the wire, means for ensuring the electrical connection between the clamp and the pin, and means for causing progressive engagement of the clamp on the wire.

Avantageusement, chaque fente ménagée dans un bras de la pince comporte une partie élargie pour le positionnement du fil préalablement à son engagement dans la fente coupante de la pince.Advantageously, each slot made in an arm of the clamp has an enlarged part for positioning the wire prior to its engagement in the cutting slot of the clamp.

Selon une caractéristique particulière de l'invention, la pince conductrice est logée dans un boitier recevant la broche conductrice, ce boitier étant prévu pour contenir un remplissage d'un matériau de protection isolant, entourant la pince et le fil. De préférence, le matériau isolant est constitué par du gel de pétrole.According to a particular characteristic of the invention, the conductive clip is housed in a box receiving the conductive pin, this case being designed to contain a filling of an insulating protective material, surrounding the clamp and the wire. Preferably, the insulating material consists of petroleum gel.

Dans une première variante de réalisation, chaque broche conductrice comporte un embout fileté sur lequel se visse un écrou qui provoque le déplacement de la pince dans le logement de son boitier. Avantageusement, l'écrou comporte une collerette débordante, passant au travers d'un trou ménagé dans la pince entre les ailes de celle-ci, où s'engage l'extrêmité filetée de la broche sur laquelle se visse l'écrou, de telle sorte que le retrait de celui-ci après avoir été dévissé de la broche entraine la pince hors du boitier.In a first alternative embodiment, 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 case. Advantageously, 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 that removing it after being unscrewed from the spindle causes the clamp to come out of the case.

Dans cette variante de réalisation, les fils de jarretière s'engagent dans des passages transversaux prévus dans le boitier de pince.In this variant embodiment, the jumper wires engage in transverse passages provided in the clamp housing.

Dans une autre variante de réalisation, chaque pince comporte un prolongement mâle ou femelle qui s'engage à force dans une partie respectivement femelle ou mâle prévue en bout d'une broche de connexion, la pince étant enfermée dans un boitier indépendant des broches et comportant un fond et un couvercle, la mise en place du couvercle contre le fond assurant l'engagement des fils de liaison dans les fentes coupantes de la pince.In another alternative embodiment, each clamp has a male or female extension which forcibly engages 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.

Selon une autre caractéristique particulière de l'invention, le prolongement de la pince déborde du contour apparent du boitier. En variante, les broches conductrices pénètrent directement à l'intérieur du boitier.According to another particular characteristic of the invention, the extension of the clamp extends beyond the apparent outline of the housing. As a variant, the conductive pins penetrate directly inside the housing.

D'autres caractéristiques et avantages d'un dispositif de liaison séparable établi conformément à l'invention apparaitront encore à travers la description qui suit de deux exempl es de réalisation, donnés à titre indicatif et non limitatif, en référence aux dessins annexés sur lesquels :

  • - La figure 1 est une vue schématique en perspective d'un e perspective de répartition comportant un boitier conçu pour recevoir des dispositifs de liaison selon l'invention ;
  • - La figure 2 est une vue partielle en perspective à échelle différente du boitier particulier prévu sur cette réglette ;
  • - La figure 3 est une vue en perspective à plus grande échelle d'une forme de réalisationn particulière du dispositif selon l'invention, permettant d'assurer la connexion entre les fils de la jarretière et les broches de liaison précitées ;
  • - La figure 4 est une vue schématique en perspective illustrant le mode d'engagement d'une pince de connexion sur les fils conducteurs d'une jarretière ;
  • - La figure 5 est une vue en perspective d'une autre forme de réalisation de boitier prévu pour recevoir des dispositifs de liaison selon l'invention ;
  • - La figure 6 est une vue en perspective des éléments constitutifs de l'un des dispositifs de liaison prévus dans cette forme de réalisation.
Other characteristics and advantages of a separable connection device established in accordance with the invention will become apparent from the following description of two exemplary embodiments, given by way of non-limiting example, with reference to the appended drawings in which:
  • - Figure 1 is a schematic perspective view of a distribution perspective e comprising a housing designed to receive connecting devices according to the invention;
  • - Figure 2 is a partial perspective view on a different scale of the particular housing provided on this strip;
  • - Figure 3 is a perspective view on a larger scale of a particular embodiment of the device according to the invention, for ensuring the connection between the wires of the jumper and the aforementioned connecting pins;
  • - Figure 4 is a schematic perspective view illustrating the mode of engagement of a connection clamp on the conductive son of a jumper;
  • - Figure 5 is a perspective view of another embodiment of the housing provided for receiving connecting devices according to the invention;
  • - Figure 6 is a perspective view of the components of one of the connecting devices provided in this embodiment.

Sur la figure 1, la référence 1 désigne dans son ensemble une réglette de répartition classique, comportant notamment un socle 2, permettant sa fixation sur un support (non représenté), par l'intermédiaire de vis engagées dans des trous prévus dans les angles de socle. Vers l'avant, la règlette 1 comporte un boitier 4, fixé sur le socle 2 au moyen de vis 5. Ce boitier 4 comporte, dans sa face frontale, des logements 6 ouverts vers l'extérieur et dans ses côtés latéraux des passages transversaux 7a et 7b pour le montage des fils des jarretières de connexion. A ce sujet il convient de noter que dans chaque logement 6 débouchent deux passages transversaux 7 a et 7 b prévus sur un même côté du boitier 4. Ainsi le second passage peut être utilisé dans le cas d'un montage en Y, c'est-à-dire dans le cas où une deuxième jarretière doit être raccordée à une broche déterminée.In FIG. 1, 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 provided in the angles of basement. Towards the front, the strip 1 comprises a box 4, fixed to the base 2 by means of screws 5. This box 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. On this subject it should be noted that in each housing 6 open two transverse passages 7 a and 7 b provided on the same side of the housing 4. Thus the second passage can be used in the case of a Y-mount, it is ie in the case where a second jumper must be connected to a specific pin.

Comme le montre plus explicitement le schéma de la Figure 2, une broche axiale 8 débouche à l'intérieur de chacun des logements 6,cette broche étant raccordée par tout moyen conventionnel à l'extrémité d'une ligne 9, notamment à usage téléphonique. Dans les passages transversaux 7a 7b du boitier 4 sont par ailleurs engagés les fils de connexion 11 a et 11 b d'une jarretière, destinée à assurer la liaison vers une autre reglette de type classique ou similaire d'une ligne determinée, par exemple pour raccorder cette dernière à une installation d'abonnés appropriés.As shown more explicitly in the diagram in FIG. 2, an axial pin 8 opens out inside each of the housings 6, this pin being connected by any conventional means to the end of a line 9, in particular for telephone use. In the transverse passages 7a 7b of the housing 4 are also engaged the connection wires 11a and 11b of a jumper, intended to provide the connection to another strip of conventional or similar type of a determined line, for example for connect the latter to an appropriate subscriber installation.

Selon l'invention, la liaison électrique est réalisée de manière rapide et sûre au moyen d'un dispositif connecteur 10, pouvant être facilement mis en place ou séparé du boitier 4 et dont les figures 3 et 6 respectivement, illustrent deux variantes de réalisation.According to the invention, 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.

Dans l'exemple selon la Figure 3, on retrouve, dans un des logements 6 du boitier 4, une des broches de liaison 8, ainsi qu'un fil 11a de la jarretière correspondante, représenté monté dans un des passages transversaux 7a de ce boitier, ce fil s'étendant à travers le logement 6 perpendiculairement à la direction de la broche 8.In the example according to Figure 3, there is, in one of the housings 6 of the housing 4, one of the connecting pins 8, as well as a wire 11a of the corresponding jumper, shown mounted in one of the transverse passages 7a of this housing , this wire extending through the housing 6 perpendicular to the direction of the pin 8.

Selon l'invention, la liaison entre broche et fils de la jarretière est réalisée au moyen d'une pince 12, en forme de cavalier dont la branche médiane est propre à s'engager sur la broche correspondante 8 en étant disposée perpendiculairement à celle-ci. Quant aux branches latérales 13 de cette pince, elles sont alors disposées parallèlement à cette broche, donc perpendiculairement aux passages 7a, 7b destinés à l'introduction des fils de la jarretière correspondante. Or ces ailes 13 comportent, au niveau des fils 11a, 11b de la jarretière des fentes coupantes 14, permettant de sectionner la gaine isolante des fils 11a, 11b et d'atteindre l'âme de ces derniers, en réalisant la continuïté de la liaison électrique avec la broche 8.According to the invention, the connection between pin and wires of the garter is made 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. this. As for 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. However, 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 and to reach the core of the latter, by achieving the continuity of the connection electric with pin 8.

Le mouvement de pénétration de la pince 12 dans la gaine des fins 11a, 11b est facilité en prévoyant dans les ailes 13 au droit des fentes coupantes 14, une zone élargie 15. Par ailleurs, il est prévu des moyens aptes à provoquer ce mouvement de pénétration. A cet effet la partie centrale de la pince 12 est solidaire d'un manchon métallique 16, sur lequel est montée une tête de manoeuvre 17 en matière plastique ou autre. Ce manchon présente une collerette 18 débordant sous la pince de telle sorte que celle-ci et la tête 17 soient solidarisées en déplacement axial, tout en permettant la libre rotation de cette tête au fur et à mesure que la pince 12 s'engage dans le logement 6. Dans ce but, le manchon 16 comporte un pas de vis interne 19, propre à coopérer avec un filetage 20 prévu en bout de la broche 8. La rotation de la tête 17 par l'intermédiaire d'un outil de commande du genre tourne-vis engagé dans une fente 21, permet de faire tourner simultanément le manchon 16 qui se visse sur la broche, en provoquant l'engagement progressif souhaité de la pince 12 entre l'ême de ces fils et la broche.The movement of penetration of the clamp 12 into the end sheath 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. For this purpose the central part of the clamp 12 is integral with a metal sleeve 16, on which is mounted an operating head 17 of plastic or other material. This sleeve has a flange 18 projecting under 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. For this purpose, 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 same of these wires and the spindle.

Avantageusement, l'espace libre entre la pince 12 et le logement 6 où elle s'engage, est rempli d'un matériau isolant approprié du genre gel de pétrole. De plus le fond de chaque logement 6 comporte deux évidements 13a destinés à recevoir les extrémités des ailes latérales 13 de la pince de connexion 12 correspondante.Advantageously, the free space between the clamp 12 and the housing 6 where it engages, is filled with an appropriate insulating material of the petroleum gel type. In addition, the bottom of each housing 6 has two recesses 13a intended to receive the ends of the lateral wings 13 of the corresponding connection clamp 12.

Par ailleurs, comme il apparaît sur la figure 1 il peut exister, sur les côtés du boitier 4, deux séries de passages transversaux 7a, et 7b aboutissant à deux séries distinctes de logements 6 qui occupent des positions décalées dans le corps du boitier 4. En conséquence il existe deux type différents de pinces de connextion 12 qui se différencient par la longueur de leurs ailes latérales 13, celles des pinces devant coopérer avec des fils 11a, 11b, placés dans les passages 7a, 7b, les plus écartés de la face frontale du boitier 4, étant plus longues que les ailes 13 de l'autre série de pinces de connexion.Furthermore, as it appears in FIG. 1, there may exist, on the sides of the housing 4, two series of transverse passages 7a, and 7b leading to two distinct series of housings 6 which occupy offset positions in the body of the housing 4. Consequently there are two different types of connection pliers 12 which differ in the length of their lateral wings 13, those of the pliers having to cooperate with wires 11a, 11b, placed in the passages 7a, 7b, the most separated from the face. front of the housing 4, being longer than the wings 13 of the other series of connection clamps.

Dans une autre variante de réalisation illustrée sur les figures 5 et 6, il est prévu un boitier 4a comportant une série d'alvéoles superposés 22 à l'intérieur de chacun desquels sont disposées deux broches 8 raccordées à des lignes non représentées. Ces alvéoles peuvent être répartis en deux rangées verticales distinctes, la face frontale du boitier 4a présentant un décrochement entre ces deux rangées.In another alternative embodiment illustrated in Figures 5 and 6, there is provided 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.

Quand aucune connexion n'est réalisée à l'endroit d'un alvéole 22, celui-ci est fermé par un capuchon d'obturation 23. Une fois celui-ci retiré, la liaison entre les fils 11a et 11b d'une jarretière et la broche 8 de l'alvéole correspondant 22, est réalisée par une prise 24, comportant des côtés latéraux 25 et une face intérieure 26, elle-­même traversée par des tiges creuses 27. Dans l'exemple considéré, celles-ci sont au nombre de deux et propres à s'engager, en établissant la liaison électrique recherchée, a l'intérieur d'alésages 28, prévus axialement dans les broches 8.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 among of two and suitable for engaging, by establishing the desired electrical connection, inside bores 28, provided axially in the pins 8.

Les tiges creuses 27 se prolongent à l'intérieur de la prise 24 par une pince 29, présentant un rebord perpendiculaire 30, muni de fentes coupantes verticales 31, celles-ci comportant à leurs extrémités des zones élargies 32 pour faciliter l'engagement des fils 11a et 11b, dont l'isolant est alors dénudé par les fentes 31, la liaison électrique avec les broches étant ainsi établie. Avantageusement la pince 29 comporte deux rebords parallèles 30 et 33. Quant au coffre 24 de la prise, il présente un fond 34 comportant des passages 7a et 7b pour l'introduction des fils de la jarretière; un couvercle à rabattement 35 supporte vers l'intérieur de la prise une plaquette d'appui 36 destinée, lors de la fermeture de la prise par le couvercle, à s'appuyer sur les fils 11a et 11b, en les faisant pénétrer dans les fentes coupantes 31 de la pince 29. Des butées 37 et 38 sont de préférence ménagées sur le couvercle 35 pour limiter l'enfoncement de ce dernier et la pénétration de la prise 24 dans le boitier 22. L'intérieur de la prise 24 est de préférence rempli, comme dans l'exemple précédent par du gel de pétrole isolant.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. Advantageously, the clamp 29 has two parallel edges 30 and 33. As for the trunk 24 of the socket, 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 rest on the wires 11a and 11b, making them penetrate into the 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 with insulating petroleum gel.

Par ailleurs, ainsi qu'il résulte de la figure 4, chaque prise 24 renferme deux pinces 29 de connexion pour un montage éventuel en Y, c'est-à-dire pour le montage d'une seconde jarretière.Furthermore, as it appears from FIG. 4, each socket 24 contains two connection clamps 29 for possible mounting in Y, that is to say for mounting a second jumper.

Dans le cas de cette forme de réalisation, comme dans celui de la précédente forme d'exécution, on réalise ainsi un dispositif de connexion très simple, permettant de relier de manière sûre et rapide les fils d'une jarretière et les broches de liaison d'une réglette de répartition, par engagement d'une prise ou analogue dans un logement approprié d'un boitier, cette prise portant au moins une pince coupante dénudant l'isolant de ces fils pour établir le contact électrique souhaité et/ou interronpre celui-ci à la demande, selon les branchements à effectuer. L'invention ne préjuge pas notamment de la forme des logements et des pinces à fentes coupantes qui peuvent être réalisés de diverses manières sans modifier le processus mis en jeu ; les dispositions envisagées procurent dans tous les cas une excellente étanchéïté des boitiers ou prises de connexion utilisés, en évitant les effets de l'humidité, les pinces à fentes coupantes étant logées dans des ensembles fermés et noyées dans un isolant approprié.In the case of this embodiment, as in that of the previous embodiment, 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 box, this socket carrying at least one cutting pliers stripping the insulation of these wires to establish the desired electrical contact and / or inter-express it this on demand, depending on the connections to be made. The invention does not prejudge in particular the shape of the housings and the cutter pliers which can be produced in various ways without modifying the process involved; the provisions envisaged 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.

Claims (10)

1 - Dispositif de liaison séparable entre une broche conductrice et au moins un fil de connexion, caractérisé en ce qu'il comporte des moyens propres à réaliser une liaison électrique entre au moins un fil (7) de jarretière présentant une âme conductrice entourée d'une gaine isolante et une broche par une pince conductrice (12, 29) présentant au moins une fente (14, 30) coupante propre à sectionner la gaine du fil (11a, 11b) par suite de l'enfoncement de celcui-ci dans la fente (14) en établissant le contact avec l'âme conductrice du fil, des moyens pour assurer la liaison électrique entre la pince et la broche, et des moyens (16, 17) pour provoquer l'engagement progressif de la pince sur le fil.1 - Separable connection device between a conductive pin and at least one connection wire, characterized in that it comprises means suitable for producing an electrical connection between at least one wire (7) of garter having a conductive core surrounded by an insulating sheath and a pin by a conductive clamp (12, 29) having at least one cutting slot (14, 30) capable of cutting the sheath of the wire (11a, 11b) as a result of the insertion thereof into the slot (14) by establishing contact with the conductive core of the wire, means for ensuring the electrical connection between the clamp and the pin, and means (16, 17) for causing the progressive engagement of the clamp on the wire . 2 - Dispositif selon la revendication 1, caractérisé en ce que chaque fente ménagée dans la pince comporte une partie élargie (15) pour le positionnement du fil préalablement à son engagement dans la fente coupante (14) de la pince.2 - Device according to claim 1, characterized in that each slot formed in the clamp has an enlarged portion (15) for positioning the wire prior to its engagement in the cutting slot (14) of the clamp. 3 - Dispositif selon la revendication 1 ou 2, caractérisé en ce que la pince conductrice (12, 29) est logée dans un boitier (24) recevant la broche conductrice (8) ce boitier étant prévu pour contenir un remplissage d'un matériau de protection isolant, entourant la pince et le fil.3 - Device according to claim 1 or 2, characterized in that the conductive clamp (12, 29) is housed in a housing (24) receiving the conductive pin (8) this housing being designed to contain a filling of a material of insulating protection, surrounding the clamp and the wire. 4 - Dispositif selon la revendication 3, caractérisé en ce que le matériau isolant est constitué par du gel de pétrole.4 - Device according to claim 3, characterized in that the insulating material consists of petroleum gel. 5 - Dispositif selon les revendication 1 à 4, caractérisé en ce que chaque broche conductrice (8) comporte un embout fileté (20) sur lequel se visse un écrou (16) qui provoque le déplacement de la pince (12) dans le logement (6) de son boitier (4).5 - Device according to claims 1 to 4, characterized in that each conductive pin (8) comprises a threaded end (20) on which is screwed a nut (16) which causes the movement of the clamp (12) in the housing ( 6) from its case (4). 6 - Dispositif selon la revendication 5, caractérisé en ce que l'écrou (16) comporte une collerette débordante passant au travers d'un trou ménagé dans la pince entre les ailes de celle-ci, où s'engage l'extrémité filtée (20) de la broche (8) sur laquelle se visse l'écrou.6 - Device according to claim 5, characterized in that the nut (16) has an overflowing flange passing through a hole in the clamp between the wings thereof, where engages the threaded end (20) of the spindle (8) on which the nut is screwed. 7 - Dispositif selon les revendication 1 à 6, caractérisé en ce que les fils de jarretière (11a-11b) s'engagent dans des passages transversaux (7a, 7b) prévus dans le boitier de pince et qui débouchent dans les logmeents (6) perpendiculairement à la broche (8) prévue dans chacun de ceux-ci, chaque logement (6) contenant une pince de connexion (12) en forme de cavalier dont les ailes latérales (13) présentent les fentes coupantes (14) aptes à sectionner la gaine des fils correspondants (11a, 11b).7 - Device according to claims 1 to 6, characterized in that the jumper wires (11a-11b) engage in transverse passages (7a, 7b) provided in the clamp housing and which open into the logmeents (6) perpendicular to the spindle (8) provided in each of them, each housing (6) containing a connecting clip (12) in the form of a jumper, the lateral wings (13) of which have the cutting slots (14) capable of cutting the sheath of the corresponding wires (11a, 11b). 8 - Dispositif selon la revendication 1, caractérisé en ce que chaque pince (29) comporte un prolongement (27) mâle ou femelle qui s'engage à force dans une partie respectivement femelle ou mâle prévue en bout d'une broche de connexion (8), la pince étant enfermée dans une prise (24) indépendante des broches et comportant un fond (25) et un couvercle (36), la mise place du couvercle contre le fond assurant l'engagement des fils de liaison (11a, 11b) dans les fentes coupantes de la pince.8 - Device according to claim 1, characterized in that each clamp (29) has an extension (27) male or female which engages by force in a female or male part respectively provided at the end of a connection pin (8 ), the clamp being enclosed in a socket (24) independent of the pins and comprising a bottom (25) and a cover (36), the positioning of the cover against the bottom ensuring the engagement of the connecting wires (11a, 11b) in the cutting slots of the pliers. 9 - Dispositif selon la revendication 8, caractérisé en ce que le prolongement de la pince déborde du contour apparent du boitier.9 - Device according to claim 8, characterized in that the extension of the clamp extends beyond the apparent outline of the housing. 10 - Dispositif selon la revendication 9, caractérisé en ce que les broches conductrices pénètrent directement à l'intérieur du boitier.10 - Device according to claim 9, characterized in that the conductive pins penetrate directly inside the housing.
EP88402283A 1987-09-18 1988-09-09 Separable connection device between a conductive pin and at least one connection wire Expired - Lifetime EP0308307B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8712977 1987-09-18
FR8712977A FR2620870B1 (en) 1987-09-18 1987-09-18 DEVICE FOR SEPARABLE CONNECTION BETWEEN A CONDUCTIVE PIN AND AT LEAST ONE CONNECTING WIRE

Publications (2)

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EP0308307A1 true EP0308307A1 (en) 1989-03-22
EP0308307B1 EP0308307B1 (en) 1994-06-15

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EP88402283A Expired - Lifetime EP0308307B1 (en) 1987-09-18 1988-09-09 Separable connection device between a conductive pin and at least one connection wire

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US (1) US4917633A (en)
EP (1) EP0308307B1 (en)
DE (1) DE3850198T2 (en)
FR (1) FR2620870B1 (en)

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US5139440A (en) * 1991-06-26 1992-08-18 Reliance Comm/Tec Corporation Environmentally sealed insulation displacement connector terminal block
DE59407677D1 (en) * 1993-06-29 1999-03-04 Krone Ag Connection module
US5368501A (en) * 1993-12-06 1994-11-29 Georgia Tech Research Corporation Rotary actuated, enviromental, insulation displacement connector
CN1107359C (en) * 1998-12-11 2003-04-30 富士康(昆山)电脑接插件有限公司 Wire-connecting device and method for connector
US8900005B2 (en) * 2009-08-11 2014-12-02 Pancon Llc Insulation displacement terminal system with regulated wire compression
JP6774627B2 (en) * 2016-11-11 2020-10-28 住友電装株式会社 Wire joint structure and wire harness

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Also Published As

Publication number Publication date
DE3850198D1 (en) 1994-07-21
DE3850198T2 (en) 1994-10-13
EP0308307B1 (en) 1994-06-15
US4917633A (en) 1990-04-17
FR2620870A1 (en) 1989-03-24
FR2620870B1 (en) 1990-01-05

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