EP0074061B1 - Modular electrical terminal post - Google Patents

Modular electrical terminal post Download PDF

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Publication number
EP0074061B1
EP0074061B1 EP82107994A EP82107994A EP0074061B1 EP 0074061 B1 EP0074061 B1 EP 0074061B1 EP 82107994 A EP82107994 A EP 82107994A EP 82107994 A EP82107994 A EP 82107994A EP 0074061 B1 EP0074061 B1 EP 0074061B1
Authority
EP
European Patent Office
Prior art keywords
groove
contact
contacts
electrical
longitudinal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP82107994A
Other languages
German (de)
French (fr)
Other versions
EP0074061A1 (en
Inventor
André Petit
Daniel Jamet
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alcatel SA filed Critical Alcatel SA
Publication of EP0074061A1 publication Critical patent/EP0074061A1/en
Application granted granted Critical
Publication of EP0074061B1 publication Critical patent/EP0074061B1/en
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H01R12/70—Coupling devices
    • H01R12/82—Coupling devices connected with low or zero insertion force
    • H01R12/85—Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures
    • H01R12/88—Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures acting manually by rotating or pivoting connector housing parts
    • 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
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB
    • 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
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/75—Coupling devices for rigid printing circuits or like structures connecting to cables except for flat or ribbon cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure

Definitions

  • each of the contact supports 1 and 1 ′ is in the form of an elongated parallelepipedic block with internal longitudinal groove 10 open on almost all of its upper face .

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)

Description

La présente invention porte sur les raccordements électriques entre conducteurs d'un câble électrique et broches électriques telles que broches montées sur un substrat de circuit imprimé et/ou bornes électriques rigides de composants, en particulier pour les interconnexions entre châssis d'équipement électrique, circuits imprimés, composants électroniques ou éléments électriques à connexions rigides.The present invention relates to electrical connections between conductors of an electrical cable and electrical pins such as pins mounted on a printed circuit substrate and / or rigid electrical terminals of components, in particular for interconnections between chassis of electrical equipment, circuits printed matter, electronic components or electrical elements with rigid connections.

De tels raccordements entre conducteurs et broches rigides peuvent être réalisés par des connexions enroulées de type standard.Such connections between conductors and rigid pins can be made by standard type coiled connections.

On connaît par le document US-A-4 008 939 une borne de raccordement électrique entre câbles électriques et broches électriques rigides montées par exemple sur un substrat de circuit imprimé. Cette borne de raccordement électrique comporte une pluralité de contacts individuels de forme allongée et sensiblement linéaire. Ces contacts sont raccordés, par l'une de leurs portions terminales, dites premières extrémités, aux câbles respectifs; ils assurent par l'autre de leurs portions terminales, dites secondes extrémités, un contact par pression sur les broches respectives. La borne de raccordement comporte aussi un support pour lesdits contacts individuels. Ce support se présente sous la forme générale d'un parallélépipède allongé. Il comporte deux parties de support montées emboîtées l'une sur l'autre et rétractables l'une en regard de l'autre par un moyen de blocage actionnable, tel qu'un arbre ou vis quart de tour de commande. L'une de ces parties de support des contacts présente une rainure longitudinale ouverte sur l'une de ses petites faces longitudinales, dans laquelle l'autre partie de support vient s'emboîter à fond ou se rétracter. Cette même partie de support de contacts présente en outre une pluralité d'alvéoles internes parallèles à ses grandes faces longitudinales et débouchant sur le fond de la rainure. Ces alvéoles constituent les logements des contacts respectifs dont les secondes extrémités destinées à assurer un contact par pression avec les broches débordent dans ladite rainure longitudinale. L'autre partie de support présente une série de passages correspondant aux alvéoles respectifs, ces passages sont destinés à recevoir les broches; en outre, leurs extrémités, en regard de ladite rainure longitudinale sont profilées pour constituer des cames sur lesquelles les secondes extrémités des contacts viennent en appui pour assurer le contact à pression souhaité sur lesdites broches lorsque cette partie de support est emboîtée à fond dans la rainure.Document US-A-4 008 939 discloses an electrical connection terminal between electrical cables and rigid electrical pins mounted for example on a printed circuit substrate. This electrical connection terminal comprises a plurality of individual contacts of elongated shape and substantially linear. These contacts are connected, by one of their terminal portions, called first ends, to the respective cables; they provide by the other of their terminal portions, said second ends, a pressure contact on the respective pins. The connection terminal also includes a support for said individual contacts. This support is in the general form of an elongated parallelepiped. It comprises two support parts mounted nested one on the other and retractable one opposite the other by an actuatable locking means, such as a shaft or quarter-turn control screw. One of these contact support parts has a longitudinal groove open on one of its small longitudinal faces, in which the other support part fits fully or retracts. This same contact support part also has a plurality of internal cells parallel to its large longitudinal faces and opening onto the bottom of the groove. These cells constitute the housings of the respective contacts, the second ends of which intended to ensure pressure contact with the pins project into said longitudinal groove. The other support part has a series of passages corresponding to the respective cells, these passages are intended to receive the pins; in addition, their ends, facing said longitudinal groove, are profiled to form cams on which the second ends of the contacts come to bear in order to ensure the desired pressure contact on said pins when this support part is fully fitted into the groove .

Dans cette borne de raccordement, c'est le moyen de blocage des deux parties de support en position emboîtée l'une dans l'autre qui permet le maintien en contact par pression desdits contacts individuels et des broches respectives. Au fur et à mesure de l'actionnement de ce moyen de blocage, les secondes extrémités concernées desdits contacts individuels glissent le long des cames, se déforment et viennent assurer à pression croissante le contact sur les broches. Ces effets, au cours de l'actionnement du moyen de blocage, risquent d'endommager les contacts sollicités simultanément en pression de plus en plus grande contre les cames et les broches, ils rendent ainsi la borne de raccordement fragile.In this connection terminal, it is the means of blocking the two support parts in the nested position one inside the other which allows said individual contacts and the respective pins to be kept in contact by pressure. As the locking means are actuated, the second affected ends of said individual contacts slide along the cams, deform and come into contact with the pins at increasing pressure. These effects, during the actuation of the blocking means, risk damaging the contacts which are pressed simultaneously under increasing pressure against the cams and the pins, thus making the connection terminal fragile.

La présente invention a pour but d'éviter ces inconvénients et, de plus, de permettre d'adopter une structure modulaire à commande simultanée de la borne résultante rendue ainsi adaptable aux raccordements entre conducteurs et broches à réaliser.The object of the present invention is to avoid these drawbacks and, in addition, to make it possible to adopt a modular structure with simultaneous control of the resulting terminal thus made adaptable to the connections between conductors and pins to be produced.

La présente invention a donc pour objet une borne modulaire de raccordement électrique entre conducteurs électriques d'un câble et broches électriques rigides, comportant une pluralité de contacts individuels d'une part raccordés par une première de leurs extrémités aux conducteurs respectifs et d'autre part assurant par leur deuxième extrémité en forme de lame plate un contact par pression sur lesdites broches respectives, un support de contacts, de forme allongée et sensiblement parallélépipédique, présentant une rainure interne longitudinale ouverte sur l'une de ses faces longitudinales, dite face supérieure, et une pluralité d'alvéoles parallèles à ses faces latérales et débouchant sur le fond de ladite rainure, pour le logement desdits contacts dont la deuxième extrémité de chacun d'eux déborde dans ladite rainure, et des moyens de blocage en contact à pression desdites secondes extrémités desdits contacts sur lesdites broches électriques, caractérisée en ce que:

  • - lesdits contacts individuels sont en forme générale de U dont l'une des branches définit ladite première extrémité de l'autre ladite deuxième extrémité pour chacun des contacts,
  • - ledit support de contacts est modulaire et ladite série d'alvéoles est constituée par des alvéoles dits externes formés dans les grandes faces latérales de chacun des supports modulaires et par des alvéoles dits internes formés dans les parois longitudinales de ladite rainure et débouchant sur la face longitudinale opposée à celle portant la rainure et dite face inférieure, chacun des alvéoles externes de l'un des côtés de ladite rainure recevant la branche de contact avec le conducteur électrique de l'un des contacts et étant en vis-à-vis avec l'un des alvéoles internes de l'autre côté de ladite rainure recevant d'une part la branche en forme de lame plate s'étendant le long du sommet de cet alvéole interne et d'autre part la broche correspondante s'insérant par la face inférieure dudit support,
  • - et lesdits moyens de blocage sont constitués par une came rotative de forme générale cylindrique présentant deux méplats diamétralement opposés, montée dans la rainure de chaque support de contacts en étant contre les branches de contact en forme de lame et en appui sur le fond de cette rainure, assurant la mise simultanée en contact par pression des contacts avec les broches respectives lorsque ses portions semi-cylindriques sont amenées contre les branches de contact en forme de lame,
  • - et en ce qu'elle comporte, en outre, un élément isolant fixé sur chaque support de contacts et ménageant un logement interne supérieur pour lesdits conducteurs électriques.
The present invention therefore relates to a modular terminal for electrical connection between electrical conductors of a cable and rigid electrical pins, comprising a plurality of individual contacts on the one hand connected by a first of their ends to the respective conductors and on the other hand ensuring by their second end in the form of a flat blade a contact by pressure on said respective pins, a contact support, of elongated shape and substantially parallelepiped, having an internal longitudinal groove open on one of its longitudinal faces, called the upper face, and a plurality of cells parallel to its lateral faces and opening onto the bottom of said groove, for housing said contacts, the second end of each of which projects into said groove, and means for locking in pressure contact with said seconds ends of said contacts on said electrical pins, characterized in that:
  • said individual contacts are generally U-shaped, one of the branches of which defines said first end of the other, said second end for each of the contacts,
  • - Said contact support is modular and said series of cells consists of so-called external cells formed in the large lateral faces of each of the modular supports and by said internal cells formed in the longitudinal walls of said groove and opening onto the face longitudinal opposite to that carrying the groove and called the underside, each of the external cells of one of the sides of said groove receiving the branch of contact with the electrical conductor of one of the contacts and being opposite one of the internal cells on the other side of said groove receiving on the one hand the branch in the form of a flat blade extending along the top of this internal cell and on the other hand the corresponding pin inserted by the face lower of said support,
  • - And said blocking means are constituted by a rotary cam of generally cylindrical shape having two diametrically opposite flats, mounted in the groove of each contact support while being against the blade-shaped contact branches and resting on the bottom of this groove, ensuring simultaneous contact by pressure of the contacts with the respective pins when its semi-cylindrical portions are brought against the blade-shaped contact branches,
  • - And in that it further comprises an insulating element fixed on each contact support and providing an upper internal housing for said electrical conductors.

L'invention sera décrite ci-après plus en détail à l'aide d'un mode de réalisation donné à titre d'exemple et illustré dans le dessin ci-annexé. Dans ce dessin:

  • - la figure 1 représente en perspective éclatée la borne modulaire de raccordement électrique selon l'invention,
  • - la figure 2 représente en perspective l'un des contacts de la borne de raccordement électrique de la figure 1 et le conducteur électrique qui lui sera raccordé,
  • - la figure 3 et la figure 4 représentent respectivement vue en élévation et vue de dessus la borne de raccordement électrique de la figure 1, avec coupe longitudinale de ses extrémités,
  • - les figures 5A et 5B sont deux vues en coupe transversale de la borne de raccordement électrique, effectuées selon la ligne V-V de la figure 4, respectivement en position dite de repos et en position dite de contact,
  • - la figure 6 est une vue en coupe transversale de la borne de raccordement électrique, effectuée selon la ligne VI-VI de la figure 4, en position dite de repos,
  • - la figure 7 illustre les raccordements entre conducteurs d'un ou plusieurs câbles sur une carte de circuit imprimé dite d'interconnexion.
The invention will be described below in more detail using an embodiment given by way of example and illustrated in the accompanying drawing. In this drawing:
  • FIG. 1 shows in exploded perspective the modular electrical connection terminal according to the invention,
  • FIG. 2 represents in perspective one of the contacts of the electrical connection terminal of FIG. 1 and the electrical conductor which will be connected to it,
  • FIG. 3 and FIG. 4 represent respectively an elevation view and a top view of the electrical connection terminal of FIG. 1, with longitudinal section of its ends,
  • FIGS. 5A and 5B are two cross-sectional views of the electrical connection terminal, taken along the line VV in FIG. 4, respectively in the so-called rest position and in the so-called contact position,
  • FIG. 6 is a cross-sectional view of the electrical connection terminal, taken along line VI-VI of FIG. 4, in the so-called rest position,
  • - Figure 7 illustrates the connections between conductors of one or more cables on a so-called interconnection printed circuit board.

En regard notamment des figures 1, 3 ou 4, on voit que la borne de raccordement électrique selon l'invention est de type modulaire.With particular reference to Figures 1, 3 or 4, it can be seen that the electrical connection terminal according to the invention is of the modular type.

Elle comporte des supports de contacts tels que 1 et 1' identiques, qui recevront chacune douze contacts tels que 2, un élément isolant 3 pour l'alignement des supports de contacts 1 et 1', un boîtier-capot 4 assurant le blocage de l'élément 3 sur les supports de contacts et une came 5 montée rotative dans les supports de contacts 1 et 1' pour l'actionnement simultané de tous les contacts 2 et donc leur mise en position dite de repos ou en position dite de contact.It includes identical contact supports such as 1 and 1 ', which will each receive twelve contacts such as 2, an insulating element 3 for the alignment of contact supports 1 and 1', a housing-cover 4 ensuring the blocking of the 'element 3 on the contact supports and a cam 5 rotatably mounted in the contact supports 1 and 1' for the simultaneous actuation of all the contacts 2 and therefore putting them in the so-called rest position or in the so-called contact position.

En regard des figures 3 et 7 notamment, on voit que cette borne est destinée à assurer le raccordement entre conducteurs électriques 6 et des broches électriques alignées 7.With reference to FIGS. 3 and 7 in particular, it can be seen that this terminal is intended to ensure the connection between electrical conductors 6 and aligned electrical pins 7.

En se référant plus particulièrement à nouveau à la figure 1, on voit que chacun des supports de contacts 1 et 1' se présente sous la forme d'un bloc parallélépipédique allongé à rainure longitudinale interne 10 ouverte sur la quasi-totalité de sa face supérieure.Referring more particularly again to FIG. 1, it can be seen that each of the contact supports 1 and 1 ′ is in the form of an elongated parallelepipedic block with internal longitudinal groove 10 open on almost all of its upper face .

Chacun de ces supports 1 et l'comporte, le long de chacune de leurs deux grandes faces latérales six alvéoles externes 11 formés sur la hauteur de ces grandes faces latérales et disposés, de l'une des faces à l'autre, en quinconce. Chacun comporte également le long des parois longitudinales de la rainure 10 six autres alvéoles, dits alvéoles internes, 12, se prolongeant jusqu'à la face inférieure du support. Ces six alvéoles internes 12 sont intercalés entre les six alvéoles externes formés sur la grande face latérale correspondante du support, c'est-à-dire sont en vis-à-vis respectivement avec les six alvéoles externes de la grande face latérale opposée. Ainsi les douze alvéoles internes 12 du support, avec les douze alvéoles externes 11 de ce même support, définissent les logements pour les douze contacts 2 que chaque support 1 ou 1' peut recevoir.Each of these supports 1 and comprises, along each of their two large lateral faces six external cells 11 formed on the height of these large lateral faces and arranged, from one face to the other, in staggered rows. Each also includes along the longitudinal walls of the groove 10 six other cells, said internal cells, 12, extending to the underside of the support. These six internal cells 12 are interposed between the six external cells formed on the corresponding large side face of the support, that is to say are vis-à-vis respectively with the six external cells of the large opposite side face. Thus the twelve internal cells 12 of the support, with the twelve external cells 11 of this same support, define the housings for the twelve contacts 2 that each support 1 or 1 ′ can receive.

Chacun des supports 1 et 1' présente également une rainure longitudinale 13 sur chacune de ses deux grandes faces latérales, au voisinage du bord inférieur de ces faces, venant couper les six alvéoles externes 11.Each of the supports 1 and 1 ′ also has a longitudinal groove 13 on each of its two large lateral faces, in the vicinity of the lower edge of these faces, coming to cut the six external cells 11.

Dans chacun des supports 1 et 1' la rainure interne 10 est de profondeur voisine de la moitié de la hauteur du support et est à fond 14 arrondi. Elle définit le logement de la came 5, le fond arrondi en constitue la surface d'appui. Cette rainure 10 débouche sur les deux petites faces latérales présentant chacune une ouverture 15 en forme d'arche ouverte du côté de la face inférieure, le sommet semi-circulaire de ces ouvertures en arche et le fond arrondi de la rainure 10 limitant le débattement vertical possible de la came 5 dans son logement.In each of the supports 1 and 1 ′ the internal groove 10 is of a depth close to half the height of the support and is at the bottom 14 rounded. It defines the housing of the cam 5, the rounded bottom constitutes the bearing surface. This groove 10 opens onto the two small lateral faces each having an opening 15 in the form of an arch open on the side of the lower face, the semi-circular apex of these arched openings and the rounded bottom of the groove 10 limiting the vertical movement possible for cam 5 in its housing.

Ces supports 1 et 1' sont en matière plastique, par exemple en polycarbonate; ils sont avantageusement issus de moulage.These supports 1 and 1 ′ are made of plastic, for example polycarbonate; they advantageously come from molding.

Les contacts 2 dont l'un est représenté à plus grande échelle dans la figure 2 sont des contacts du type ressort de forme générale en U. Ainsi qu'il apparait dans cette figure 2 et/ou dans les figures 5A, 5B et 6, l'une des branches du contact 2, repérée en 20, est destinée à être raccordée au conducteur 6 gainé d'isolant, en réalisant un contact par arêtes dénudantes. A cet effet, cette branche 20 se présente elle-même en forme de U ouvert vers l'extérieur du contact 2 et présente, latéralement des arêtes internes 21 embouties venant traverser la gaine isolante du conducteur 6 lors de son insertion selon la flèche F et son maintien dans cette branche 20, pour réaliser le raccordement électrique du conducteur 6 et du contact 2.The contacts 2, one of which is shown on a larger scale in FIG. 2 are spring-type contacts of general U shape. As it appears in this FIG. 2 and / or in FIGS. 5A, 5B and 6, one of the branches of the contact 2, identified at 20, is intended to be connected to the conductor 6 sheathed in insulation, by making a contact by stripping edges. For this purpose, this branch 20 is itself in the form of a U open towards the outside of the contact 2 and has, laterally internal edges 21 stamped coming through the insulating sheath of the conductor 6 during its insertion according to arrow F and keeping it in this branch 20, to make the electrical connection of the conductor 6 and the contact 2.

Cette branche 20 présente, en outre, des ergots emboutis découpés 22, orientés vers l'intérieur du contact 2, venant s'agripper dans le logement 11 du support 1 ou 1', recevant cette branche pour le maintien de ce contact.This branch 20 has, in addition, stamped stamped lugs 22, oriented towards the inside of the contact 2, gripping in the housing 11 of the support 1 or 1 ′, receiving this branch for maintaining this contact.

L'autre branche 23 du contact 2 est en forme de lame plate et présente dans une partie intermédiaire une simple déformation 24 formant un bossage vers l'extérieur du contact 2. Cette branche 23 est destinée à venir en contact avec l'une des broches 7, la déformation 24 localisant alors le contact électrique à réaliser.The other branch 23 of the contact 2 is in the form of a flat blade and has in a intermediate part a simple deformation 24 forming a boss towards the outside of the contact 2. This branch 23 is intended to come into contact with one of the pins 7, the deformation 24 then locating the electrical contact to be made.

Les contacts 2 seront en métal élastique et avantageusement recouverts d'un revêtement de protection contre la corrosion; ce revêtement protecteur sera par exemple en étain-plomb. Ainsi qu'il ressort de la figure 1 et des figures 5A et 6 correspondant à deux coupes transversales de la borne faites par deux logements successifs 11-12 de contacts, les ressorts sont insérés dans leur logement à partir de la face inférieure du support 1 ou 1' qui les reçoit, en étant, un sur deux montés alternés de 180°. Ainsi les branches 23 des contacts 2 successifs sur l'un des supports 1 ou 1' seront disposés dans les alvéoles internes successifs 12 de ce support, qui sont alternativement sur l'une et l'autre des parois de la rainure 10, tandis que les branches 20 des contacts successifs viennent se loger dans les alvéoles externes 11 qui sont alternativement sur l'une et l'autre des faces latérales du support concerné. Compte tenu de l'épaisseur des supports 1 et 1' choisie telle que la distance entre les fonds des alvéoles internes et externes en vis-à-vis est supérieure à l'écartement entre les branches 20 et 23 des contacts 2, les branches 23 s'étendront au sommet de leurs alvéoles internes respectifs.The contacts 2 will be made of elastic metal and advantageously covered with a protective coating against corrosion; this protective coating will be for example tin-lead. As is clear from FIG. 1 and FIGS. 5A and 6 corresponding to two cross sections of the terminal made by two successive housings 11-12 of contacts, the springs are inserted into their housings from the underside of the support 1 or 1 'who receives them, being one in two mounted 180 ° alternating. Thus the branches 23 of the successive contacts 2 on one of the supports 1 or 1 ′ will be arranged in the successive internal cells 12 of this support, which are alternately on one and the other of the walls of the groove 10, while the branches 20 of the successive contacts are housed in the external cells 11 which are alternately on one and the other of the lateral faces of the support concerned. Given the thickness of the supports 1 and 1 'chosen such that the distance between the bottoms of the internal and external cells facing each other is greater than the spacing between the branches 20 and 23 of the contacts 2, the branches 23 will extend to the top of their respective internal cells.

Le maintien en alignement des supports 1 et 1' ainsi équipés de leurs contacts 2 est assuré par l'élément isolant 3 et le blocage de l'ensemble par le boîtier-capot 4, cet élément 3 et le boîtier-capot 4 étant montés emboîtés l'un dans l'autre sur les supports 1 et 1'.Maintaining alignment of the supports 1 and 1 ′ thus equipped with their contacts 2 is ensured by the insulating element 3 and the blocking of the assembly by the casing-cover 4, this element 3 and the casing-cover 4 being mounted nested one inside the other on supports 1 and 1 '.

En regard de la figure 1 notamment, on voit que l'élément isolant 3 est un profilé de section en U renversé et de longueur égale à celle de l'ensemble des supports 1 et 1' qu'il va recouvrir. Ce profilé 3 présente deux bossages longitudinaux 30 sur des portions de ses branches, au voisinage de sa base, ces bossages étant obtenus par une sur- épaisseur donnée à sa base et aux portions adjacentes de ses branches latérales. Il présente, aussi deux languettes longitudinales 31 en saillie vers sa partie interne et formant des rebords sur ses deux branches latérales. Ces languettes 31 viennent maintenir en alignement les supports 1 et 1' par encastrement dans les rainures 13 des supports. Ce profilé 3 est de hauteur prévue supérieure à celle des supports 1 et l'et vient, lorsqu'il les recouvre, ménager au-dessus d'eux (figures 3, 5A, 5B et 6) un espace libre 33 formant un logement pour les conducteurs 6 qui seront raccordés aux contacts 2.With reference to FIG. 1 in particular, it can be seen that the insulating element 3 is an inverted U-shaped section profile and of length equal to that of the set of supports 1 and 1 ′ that it will cover. This profile 3 has two longitudinal bosses 30 on portions of its branches, in the vicinity of its base, these bosses being obtained by an extra thickness given to its base and to the adjacent portions of its lateral branches. It also has two longitudinal tongues 31 projecting towards its internal part and forming flanges on its two lateral branches. These tongues 31 keep the supports 1 and 1 'in alignment by fitting into the grooves 13 of the supports. This profile 3 is of higher height than that of the supports 1 and the and comes, when it covers them, to provide above them (FIGS. 3, 5A, 5B and 6) a free space 33 forming a housing for the conductors 6 which will be connected to the contacts 2.

Le boîtier-capot 4 est en un matériau conducteur ferro-magnétique, par exemple en acier connu sous les références Z8 C17. Ce boîtier-capot 4 est, comme l'élément 3 qu'il recouvre, de section en U et présente deux déformations longitudinales 40 sur ces deux branches latérales, correspondant aux bossages longitudinaux 30. Il présente à une extrémité une patte 41 sensiblement dans le prolongement de sa face supérieure, sur laquelle vient se loger un collier 42 à serrage par vis 43 qui maintiendra le câble de conducteurs 6 (figures 3, 4) à raccorder aux contacts 2. Ce collier 42 assurera également, ainsi que visible dans les figures 3 et 4, le raccordement électrique du boîtier-capot 4 à une masse électrique et à l'écran du câble, par un fil de continuité d'écran 61 à cosse Faston terminale 62, le boîtier-capot 4 servant d'écran électro-magnétique aux circuits qu'il renferme.The housing-cover 4 is made of a ferro-magnetic conductive material, for example steel known under the references Z8 C17. This casing-cover 4 is, like the element 3 which it covers, of U-shaped section and has two longitudinal deformations 40 on these two lateral branches, corresponding to the longitudinal bosses 30. It has at one end a tab 41 substantially in the extension of its upper face, on which is housed a collar 42 with screw tightening 43 which will hold the cable of conductors 6 (Figures 3, 4) to be connected to the contacts 2. This collar 42 will also ensure, as can be seen in the figures 3 and 4, the electrical connection of the housing-cover 4 to an electrical ground and to the cable screen, by a screen continuity wire 61 with terminal Faston terminal 62, the housing-cover 4 serving as an electro-screen magnetic to the circuits it contains.

A l'opposé de cette patte d'extrémité 41 et du collier 42, la face frontale 44 du boîtier-capot 4 est fermée par une portion terminale rabattue de sa face supérieure. Cette face frontale 44 est munie d'un passage circulaire 45 d'accès pour la came 5, dans son logement des supports 1 et 1'; elle est munie, en outre, d'une petite ouverture ou perçage 46, circulaire pour le maintien de la came 5 en position pour laquelle la fermeture des contacts est assurée.Opposite this end tab 41 and the collar 42, the front face 44 of the housing-cover 4 is closed by an end portion folded down from its upper face. This front face 44 is provided with a circular passage 45 for access to the cam 5, in its housing supports 1 and 1 '; it is further provided with a small circular opening or hole 46 for holding the cam 5 in position for which the closing of the contacts is ensured.

Ainsi qu'il a été dit ci-avant, après insertion de l'élément 3 dans le boîtier-capot 4, cet ensemble 3-4 est monté sur les supports 1 et 1' équipés de leurs contacts 2.As has been said above, after inserting the element 3 in the casing-cover 4, this assembly 3-4 is mounted on the supports 1 and 1 ′ fitted with their contacts 2.

Enfin la borne rigide ainsi réalisée comporte en outre sa came de commande 5. En regard de la figure 1 notamment, on voit que cette came 5 est de longueur légèrement supérieure à celle de l'ensemble 3-4 recouvrant les supports 1 et 1'. Elle est de forme générale cylindrique et présente sur la quasi-totalité de sa longueur deux méplats 50 diamétralement opposés (figures 5A, 5B et 6). A une extrémité formant bout arrondi elle présente une gorge périphérique 51, tandis que l'extrémité opposée forme une manette d'actionnement 52. Cette manette d'actionnement qui sera extérieure au boîtier-capot 4 présente un ergot de positionnement 53 en saillie vers la face frontale 44 du boîtier-capot, disposé sensiblement dans le plan axial de la came coupant les méplats et pour pouvoir venir pénétrer dans le perçage 46 pour le maintien de cette came en position.Finally, the rigid terminal thus produced also has its control cam 5. With reference to FIG. 1 in particular, it can be seen that this cam 5 is slightly longer than that of the assembly 3-4 covering the supports 1 and 1 ' . It is generally cylindrical in shape and has over almost its entire length two diametrically opposite flats 50 (FIGS. 5A, 5B and 6). At one end forming a rounded end it has a peripheral groove 51, while the opposite end forms an actuation handle 52. This actuation handle which will be external to the housing-cover 4 has a positioning lug 53 projecting towards the front face 44 of the casing-cover, disposed substantially in the axial plane of the cam cutting the flats and in order to be able to come and penetrate into the bore 46 to maintain this cam in position.

Cette came 5 est en matériau isolant. Elle est introduite, à travers le passage 45 de la face frontale du boîtier-capot dans la rainure 10 des supports en venant reposer sur le fond arrondi de la rainure des supports, son extrémité en bout arrondi débordant des supports 1 et 1'. Cette came 5 introduite dans les supports améliore leur alignement. Elle est maintenue en position à l'aide d'un clips 55 inséré dans la gorge 51.This cam 5 is made of insulating material. It is introduced, through the passage 45 of the front face of the housing-cover into the groove 10 of the supports, coming to rest on the rounded bottom of the groove of the supports, its rounded end extending beyond the supports 1 and 1 '. This cam 5 introduced into the supports improves their alignment. It is held in position using a clip 55 inserted in the groove 51.

L'assemblage ainsi réalisé forme une borne de raccordement commandable prête à être insérée sur des broches 7, de type à connexions enroulées, alignées en deux rangées ainsi qu'il apparaît en regard des figures 3 et 4 et plus particulièrement dans la figure 7. Dans cette figure 7, on voit quatre bornes de raccordement désignées par A, B, C, et D identiques entre elles et du type de celle illustrée dans les figures 1, 3 et 4. Ces bornes sont insérées ou prêtes à être insérées sur des doubles rangées de broches 7, débordant d'un substrat de circuit imprimé 8, ce substrat pouvant être une carte d'interconnexion de circuits ou éléments électriques ou composants électroniques à raccorder par l'intermédiaire des bornes de raccordement à différents conducteurs de câbles électriques.The assembly thus produced forms a controllable connection terminal ready to be inserted on pins 7, of the type with wound connections, aligned in two rows as it appears opposite FIGS. 3 and 4 and more particularly in FIG. 7. In this figure 7, we see four connection terminals designated by A, B, C, and D identical to each other and of the type of that illustrated in Figures 1, 3 and 4. These terminals are inserted or ready to be inserted on double rows of pins 7, projecting from a printed circuit substrate 8, this substrate possibly being an interconnection card for circuits or electrical elements or electronic components to be connected via connection terminals to different conductors of electrical cables.

Cette opération d'insertion de chacune des bornes de raccordement sur les broches 7 et le fonctionnement de la borne sont expliqués plus en détail en regard des coupes effectuées sur la figure 4 et données dans les figures 5A, 5B et 6.This operation of inserting each of the connection terminals on the pins 7 and the operation of the terminal are explained in more detail with reference to the sections made in FIG. 4 and given in FIGS. 5A, 5B and 6.

Dans ces figures, on voit l'un des contacts 2 de la borne de raccordement, raccordé à son conducteur 6 et disposé en relation avec l'une des broches 7 débordant la carte d'interconnexion 8. Cette broche 7 appartient comme les autres broches semblables à un ou plusieurs éléments électriques 9 tels que celui schématisé en pointillés, par exemple à un connecteur à force d'insertion nulle pour cartes de circuit imprimé portant divers composants, réalisant par des contacts individuels sur des pistes imprimées sur l'un des bords de cette carte les entrées ou les sorties pour le circuit formé sur cette carte (non représentés).In these figures, one sees one of the contacts 2 of the connection terminal, connected to its conductor 6 and arranged in relation to one of the pins 7 extending beyond the interconnection card 8. This pin 7 belongs like the other pins similar to one or more electrical elements 9 such as that shown in dotted lines, for example to a connector with zero insertion force for printed circuit boards carrying various components, producing by individual contacts on tracks printed on one of the edges of this card the inputs or outputs for the circuit formed on this card (not shown).

Lors du montage de la borne de raccordement sur la carte d'interconnexion 8, les broches 7 viennent s'insérer au fond des alvéoles internes 12 du support de contacts 1 (ou du support de contacts 1'). Cette insertion est rendue possible lors du positionnement des branches 23 des contacts 2 le long du sommet de leurs alvéoles internes 12 respectifs, c'est-à-dire par actionnement de la came 5 dont l'un des méplats vient alors en regard de la branche 23 de chacun des contacts 2 qui libère alors totalement le fond de son alvéole. La branche 23 du contact 2 et la broche 7 logées toutes deux dans le même alvéole interne sont alors sans contact l'une avec l'autre.When mounting the connection terminal on the interconnection card 8, the pins 7 are inserted at the bottom of the internal cells 12 of the contact support 1 (or of the contact support 1 '). This insertion is made possible during the positioning of the branches 23 of the contacts 2 along the top of their respective internal cells 12, that is to say by actuation of the cam 5, one of the flats of which then comes opposite the branch 23 of each of the contacts 2 which then completely releases the bottom of its cell. The branch 23 of the contact 2 and the pin 7 both housed in the same internal cell are then in contact with each other.

La borne étant montée sur la carte d'interconnexion 8, l'actionnement de la came 5, par sa manette 52 en amenant l'ergot 53 porté par la manette dans le perçage 46 du boîtier-capot 4, provoque la mise des portions semi-cylindriques de la came en regard des branches 23 des contacts 2. Dans ces conditions la pression exercée sur ces branches, provoque leur enfoncement vers le fond de leurs alvéoles 12 et donc leur mise en contact avec les broches 7 qui y sont respectivement logées.The terminal being mounted on the interconnection card 8, the actuation of the cam 5, by its handle 52 by bringing the lug 53 carried by the handle in the bore 46 of the housing-cover 4, causes the semi portions to be put -cylindrical of the cam opposite the branches 23 of the contacts 2. Under these conditions the pressure exerted on these branches, causes them to sink towards the bottom of their cells 12 and therefore bring them into contact with the pins 7 which are respectively housed there.

On notera, en outre, que par l'actionnement de la came de 90°, on commandera à volonté la borne de raccordement en position dite de repos pour laquelle les contacts 2 et les broches 7 sont sans contact et pour laquelle elle peut être librement dégagée de la carte 8 ou en position dite de contact pour laquelle les broches 7 seront reliées aux conducteurs 6.It will also be noted that by actuating the 90 ° cam, the connection terminal will be controlled at will in the so-called rest position for which the contacts 2 and the pins 7 are non-contact and for which it can be freely disengaged from the card 8 or in the so-called contact position for which the pins 7 will be connected to the conductors 6.

En regard des figures ci-annexées, il a été indiqué ci-avant que la borne comportait deux supports de contacts chacun pouvant recevoir douze contacts. Il est évident que la borne peut comporter un nombre différent de supports de contacts et que ces derniers peuvent aussi recevoir un nombre différent de contacts. Bien entendu également, il est possible de monter tout ou partie des contacts 2 sur le support qui les reçoit en fonction de la disposition des broches 7 dans les deux rangées de broches à raccorder à un même nombre de conducteurs électriques.With reference to the appended figures, it has been indicated above that the terminal included two contact supports each capable of receiving twelve contacts. It is obvious that the terminal can have a different number of contact supports and that these can also receive a different number of contacts. Of course also, it is possible to mount all or part of the contacts 2 on the support which receives them as a function of the arrangement of the pins 7 in the two rows of pins to be connected to the same number of electrical conductors.

Claims (8)

1. A modular terminal for electrically connecting electrical conductors of a cable (6) to rigid electrical terminal pins (7), comprising a plurality of individual contacts (2) which are on the one hand connected by a first one of their ends (20) to the respective conductors and ensuring on the other hand by their second end in the form of a flat plate a contact by pressure on said respective pins (7), a longitudinal and substantially parallelepipedal contact support (1, 1') provided with a longitudinal internal groove (10) which opens onto one of its longitudinal surfaces, called top surface, and a plurality of compartments (11, 12) parallel to its lateral surfaces and ending at the bottom of said groove, for housing said contacts, the second end of each of them overlapping into said groove (10), and blocking means in pressure contact with said second ends of said contacts on said electrical terminal pins, characterized in:
- that said individual contacts (2) are substantially U-shaped, one of the arms of which defines said first end and the other one defines said second end for each of the contacts,
-thatsaid contact support (1, 1') is modular and said series of compartments is constituted by so-called external compartments (11) formed in the large lateral surfaces of each of the modular supports (1, 1'), and by so-called inner compartments (12) formed in the longitudinal walls of said groove (10) and ending on the longitudinal surface opposed to that carrying the groove and called lower surface, each of the outer compartments of one of the sides of said groove receiving the contact arm (20) contacting the electrical conductor of one of the contacts (2) and facing one of the inner compartments of the other side of said groove receiving on the one hand the arm (23) in the form of a flat plate extending along the top of this inner compartment and on the other hand the corresponding pin (7) penetrating through the lower surface of said support,
-that said blocking means are constituted by a rotatable cam (5) of substantially cylindrical form presenting two diametrically opposed flats (50), mounted in the groove (10) of each contact support (1, 1') in contact with the contact arms in the form of a plate and being applied against the bottom (14) of this groove, thus ensuring the simul- taneaous pressure contact of the contacts (2) with the respective pins when its semi-cylindrical portions are brought against the plate-shaped contact arms, - and that it further comprises an insulating element (3) attached to each contact support and supplying an upper inner housing (33) for said electrical conductors.
2. An electrical terminal according to claim 1, characterized in that it further comprises a cover-housing (4) of ferromagnetic material mounted on said insulating element (3) and covering said terminal.
3. An electrical terminal according to claim 2, characterized in that said cover-housinq (4) is electrically connected via a screen continuity electrical wire (61) to an electrical ground.
4. A terminal according to one of claims 1 to 3, characterized in that the plate-shaped arm (23) of each of the contacts (2) presents an intermediate deformation (24) forming a boss directed to the outside of this contact.
5. A terminal according to one of claims 1 to 4, characterized in that each contact support (1, 1') laterally presents two longitudinal grooves (13), and that said insulating element, with a U-shaped cross-section, presents two longitudinal end ribs (31) protruding into its inner portion and engaging into said lateral grooves (13).
6. A terminal according to one of claims 1 to 5, characterized in that said cam (6) is maintained along the inner groove (10) of each contact support (1, 1') by a clip (55) engaged in a peripheral groove (51) formed at one end of said cam protud- ing out of said terminal, and by means of an actuator tab (52) at the opposed end of this cam.
7. A terminal according to claim 6, characterized in that the actuator tab presents a pin (53) protruding on its inner face and cooperating with a small opening (46) made in the front surface of said cover-housing (4) for maintaining the cam in a position in which said contacts (2) are closed.
8. A terminal according to one of claims 1 to 7, characterized in that the successive inner compartments (12) as well as the successive outer compartments (11) along said inner groove (10) are alternately disposed on one side of said groove (10) or the other.
EP82107994A 1981-09-04 1982-08-31 Modular electrical terminal post Expired EP0074061B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8116840 1981-09-04
FR8116840A FR2512595A1 (en) 1981-09-04 1981-09-04 MODULAR ELECTRICAL CONNECTION TERMINAL

Publications (2)

Publication Number Publication Date
EP0074061A1 EP0074061A1 (en) 1983-03-16
EP0074061B1 true EP0074061B1 (en) 1986-10-08

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EP82107994A Expired EP0074061B1 (en) 1981-09-04 1982-08-31 Modular electrical terminal post

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US (1) US4469385A (en)
EP (1) EP0074061B1 (en)
CA (1) CA1175514A (en)
DE (1) DE3273697D1 (en)
FR (1) FR2512595A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9306177D0 (en) * 1993-03-25 1993-05-19 Amp Gmbh Smart card connector
FR2787641B1 (en) * 1998-12-22 2001-03-09 Sc2N Sa ELECTRICAL CONNECTOR WITH PIVOTING PIECE
US6749452B2 (en) * 2002-03-14 2004-06-15 General Motors Corporation Fuel cell monitor connector

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2169962A (en) * 1937-11-30 1939-08-15 Cinch Mfg Corp Electrical connection
GB1053027A (en) * 1963-03-14
FR1395879A (en) * 1963-03-14 1965-04-16 Sperry Rand Corp Electrical connector and its manufacturing process
US3277426A (en) * 1964-04-30 1966-10-04 Amphenol Corp Cable connectors and methods for the manufacture thereof
US4008939A (en) * 1973-05-18 1977-02-22 Amp Incorporated Axially cammed housing for low insertion force connector
US4208083A (en) * 1977-03-04 1980-06-17 Trw Inc. Solderless electrical connector
US4176900A (en) * 1977-12-23 1979-12-04 Everett/Charles, Inc. Low insertion force connector
JPS6044789B2 (en) * 1978-03-20 1985-10-05 富士通株式会社 IDC connector
US4235500A (en) * 1978-11-08 1980-11-25 Trw Inc. Circuit connector
DE3021283C2 (en) * 1980-06-06 1983-11-24 Krone Gmbh, 1000 Berlin Connection unit as a connection strip and / or as a pressure-tight cable termination device for PCM cables

Also Published As

Publication number Publication date
FR2512595B1 (en) 1983-10-21
DE3273697D1 (en) 1986-11-13
EP0074061A1 (en) 1983-03-16
FR2512595A1 (en) 1983-03-11
US4469385A (en) 1984-09-04
CA1175514A (en) 1984-10-02

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