[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

EP0057633A1 - Insulation stripping electrical contact, process of manufacturing or this contact and connectors comprising this contact, particularly for flat cables - Google Patents

Insulation stripping electrical contact, process of manufacturing or this contact and connectors comprising this contact, particularly for flat cables Download PDF

Info

Publication number
EP0057633A1
EP0057633A1 EP82400133A EP82400133A EP0057633A1 EP 0057633 A1 EP0057633 A1 EP 0057633A1 EP 82400133 A EP82400133 A EP 82400133A EP 82400133 A EP82400133 A EP 82400133A EP 0057633 A1 EP0057633 A1 EP 0057633A1
Authority
EP
European Patent Office
Prior art keywords
slots
contact
branches
electrical contact
points
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.)
Withdrawn
Application number
EP82400133A
Other languages
German (de)
French (fr)
Inventor
François Robert Bonhomme
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0057633A1 publication Critical patent/EP0057633A1/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/2445—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives
    • H01R4/2458—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives the contact members being in a slotted tubular configuration, e.g. slotted tube-end
    • 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
    • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures

Definitions

  • the present invention relates to an electrical contact of the insulation displacement type, that is to say capable of being connected to an electrical conductor surrounded by an insulator, without prior stripping.
  • the invention also relates to a method of manufacturing this contact.
  • the invention also relates to connectors comprising one or preferably a plurality of these contacts and allowing the connection of all of the connector contacts to one or more conductors or sets of insulated conductors, in particular in the form of ribbon cables, again called "flat cables”.
  • the invention relates more particularly to an electrical contact intended to be connected to an electrical cable which is formed of at least one conductor surrounded by an insulator, without prior removal of this insulator, which contact has at its front end two substantially semi-cylindrical branches surrounding a central recess of substantially cylindrical shape and separated by two diametrically opposite longitudinal slots intended to receive the conductor, these branches ending in front by points which are capable of penetrating into the insulation and which converge two by two backwards to one or the other of the slots, the branches being connected to one another at the rear of the two slots.
  • the contact according to the invention is essentially characterized in that it only comprises two points offset circumferentially by 90 ° relative to the slots, which allows the driver to be guided towards the two slots during penetration of the tips into the insulation.
  • each branch at the level of the point, is provided with an external chamfer tending to oppose any deformation towards the outside and therefore any enlargement of the slots, this chamfer being able to be d 'a relatively small size because the central recess, by receiving the cut insulating material, avoids a stuffing effect and therefore a tendency to the separation of the two branches.
  • the height of the slots is such that the end of the slot opposite the points is located below the bottom of said substantially cylindrical recess. In other words, the height of the slots is less than the depth of said recess .
  • the contact tail can be made anyway to form itself, for example, a male contact or plug-in female.
  • the invention also relates to a method of manufacturing this contact, characterized in that a rigid metal rod section is used (on the scale of the contact which can be very small), which is preferably provided the turning of the end, which is preferably chamfered on the outside of the end of this rod, that the axial drilling of the central recess is carried out at a diameter preferably slightly smaller than the diameter of the chamfer, which is machine the two slits and form the points.
  • the machining of the slots is carried out using a milling cutter while the shaping of the points, according to a plane perpendicular to the cutting plane of the slots, is carried out using a strawberry in shape, preferably with a triangular groove.
  • the subject of the invention is also a connector comprising one or preferably a plurality of contacts, characterized in that it comprises, on a connector cradle, one or more contacts according to the invention with the contact branches emerging from said cradle, the contact resting on the cradle to remain fixed by. compared to this during penetration into the insulating material.
  • the cradle which can be associated with a usual connector housing containing the non-protruding contact parts, can also be associated with a connector cover capable of receiving the wire or ribbon cable to apply it against the cradle and carry out the penetration of the branches of the individual contacts into the insulating material.
  • the end 18 of the contact that can be seen in these figures has, with respect to the cylindrical central part 1 of the contact, a reduced diameter so as to form a radial shoulder 2.
  • This end has two substantially semi-cylindrical branches 3, 4 which surround a concentric cylindrical recess 5.
  • Each of the branches 3, 4 has a penetration point 6,7 the upper part of which is arranged practically in the geometrical cylinder which delimits the internal cylindrical recess 5.
  • the ends 6, 7 present towards the outside a chamfered part. 8,9.
  • the flaps 10, as seen in the drawing, as well as the flaps 11, have an inclination such that, seen in the longitudinal direction of contact, the upper edge 12, which constitutes the intersection of the face 10 with the internal cylindrical surface of the recess 5, is constantly arranged above the edge 13, which constitutes the intersection of the pan 10 with the external cylindrical surface of the branch 3.
  • the two sides 10, 11 located opposite one another converge back towards a longitudinal slot 14, the bottom 15 of which is located above the bottom 16 of the central cylindrical recess 5.
  • a chamfer 19 is then produced on the lathe at the end of the narrowed part 18, using a chamfering tool 20 (FIG. 4).
  • the two slots 14 are produced in a single time using a saw mill 22 having the desired thickness.
  • the points 6 and 7 and the flaps 10 and 11 are produced using a milling cutter 23 having an internal groove with a V section, the axis of rotation of the cutter 23 being perpendicular to the axis of rotation of the saw 22 so that the two vertices 6,7 are angularly offset by 90 ° relative to the slots 14.
  • the machining of the rest of the contact including its tail.
  • the rest of the contact can be of any known or other form.
  • the tail of the contact can be produced in the form of a male or female plug.
  • FIG. 8 schematically shows a connector comprising contacts according to the invention.
  • This connector comprises, in a manner known per se, a cradle 24 provided with a plurality of holes 25 distributed over two parallel rows, offset by a half-step relative to each other.
  • the cradle 24 is integral with a connector housing 26 provided with fixing means 27 for securing the connector cover 28.
  • a ribbon cable 30, provided with different parallel electrical conductors 31, is disposed under the cover 28 in the configuration shown in the drawing.
  • Each lateral edge of the cable is precentered by a shoulder 32 of the cover 28 and centered by parallel ribs which the cover 28 includes and which engage in parallel grooves 36 of the ribbon cable 30.
  • FIG. 10 represents a schematic cross-sectional view of a contact at the level of the deformed conductor 31, it can be seen that the insulating material 33, surrounding the conductor 31, could have largely found its place in the inner recess 5.
  • the conductor 31 itself is deformed by being pinched in a way only when it passes through the two slots 14 in the zones 34.
  • each contact instead of being cylindrical up to the shoulder 2, could for example be frustoconical or cylindrical over most of its height by being connected to the shoulder 2 by an arched profile leave. Moreover, he it would be possible to give the slots 14 of each contact unequal widths.

Landscapes

  • Manufacturing Of Electrical Connectors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)

Abstract

An electric contact for sheet cables (30) is formed with a rod terminated by two semi-cylindrical branches (3, 4) which are provided each with a point (6, 7) to penetrate the insulating material (33). The branches (3, 4) surround a central recess, having substantially a cylindrical shape, delimiting between the branches (3, 4) two diametrally opposite longitudinal slots (14) for receiving the conductor (31).

Description

La présente invention a trait à un contact électrique du type autodénudant, c'est-à-dire susceptible d'être raccordé à un conducteur électrique entouré d'un isolant, sans dénudage préalable. L'invention a aussi trait à un procédé de fabrication de ce contact. L'invention a également trait aux connecteurs comprenant un ou de préférence une pluralité de ces contacts et permettant le raccordement de l'ensemble des contacts du connecteur sur un ou plusieurs conducteurs ou ensembles de conducteurs isolés, notamment sous forme de câbles en nappe, encore appelés "câbles plats".The present invention relates to an electrical contact of the insulation displacement type, that is to say capable of being connected to an electrical conductor surrounded by an insulator, without prior stripping. The invention also relates to a method of manufacturing this contact. The invention also relates to connectors comprising one or preferably a plurality of these contacts and allowing the connection of all of the connector contacts to one or more conductors or sets of insulated conductors, in particular in the form of ribbon cables, again called "flat cables".

Selon l'un de ses aspects, l'invention concerne plus particulièrement un contact électrique destiné à être raccordé à un câble électrique qui est formé d'au moins un conducteur entouré d'un isolant, sans enlèvement préalable de cet isolant, lequel contact présente à son extrémité avant deux branches sensiblement semi-cylindriques entourant un évidement central de forme sensiblementcylin- drique et séparées par deux fentes longitudinales diamétralement opposées destinées à recevoir le conducteur, ces branches se terminant vers l'avant par des pointes qui sont capables de pénétrer dans l'isolant et qui convergent deux par deux vers l'arrière jusqu'à l'une ou l'autre des fentes, les branches étant reliées l'une à l'autre à l'arrière des deux fentes.According to one of its aspects, the invention relates more particularly to an electrical contact intended to be connected to an electrical cable which is formed of at least one conductor surrounded by an insulator, without prior removal of this insulator, which contact has at its front end two substantially semi-cylindrical branches surrounding a central recess of substantially cylindrical shape and separated by two diametrically opposite longitudinal slots intended to receive the conductor, these branches ending in front by points which are capable of penetrating into the insulation and which converge two by two backwards to one or the other of the slots, the branches being connected to one another at the rear of the two slots.

Un tel contact électrique est décrit dans le JP-A-51-119991 (figures 7 et 8). Le contact électrique révélé par ce document comporte quatre pointes qui bordent deux à deux les fentes. De part et d'autre de chaque fente, les pointes voisines convergent l'une vers l'autre par l'intermédiaire d'un biseau très peu profond. Cette construction a pour inconvénient que, lors de l'enfoncement du contact dans l'isolant du câble électrique, le conducteur de celui-ci risque d'être dévié hors de la fente et de ne toucher le contact que par la surface extérieure de celui-ci, c'est-à-dire dans de très mauvaises conditions.Such an electrical contact is described in JP-A-51-119991 (Figures 7 and 8). The electrical contact revealed by this document has four points which line the slots two by two. On either side of each slot, the neighboring points converge towards one another by means of a very shallow bevel. This construction has the drawback that, when the contact is inserted into the insulator of the electric cable, the conductor of the latter risks being deflected out of the slot and of touching the contact only through the external surface of that -this, that is to say in very bad conditions.

Pour remédier à cet inconvénient, le contact conforme à l'invention est.essentiellement caractérisé en ce qu'il ne comporte que deux pointes décalées circonférentiellement de 90° par rapport aux fentes, ce grâce à quoi le conducteur est guidé vers les deux fentes lors de la pénétration des pointes dans l'isolant.To overcome this drawback, the contact according to the invention is essentially characterized in that it only comprises two points offset circumferentially by 90 ° relative to the slots, which allows the driver to be guided towards the two slots during penetration of the tips into the insulation.

De façon particulièrement préférée, l'extrémité de chaque branche, au niveau de la pointe, est munie d'un chanfrein extérieur tendant à s'opposer à toute déformation vers l'extérieur et donc à tout agrandissement des fentes, ce chanfrein pouvant être d'une taille relativement réduite du fait que l'évidement central, en accueillant la matière isolante découpée, évite un effet de bourrage et par conséquent une tendance à l'écartement des deux branches.In a particularly preferred manner, the end of each branch, at the level of the point, is provided with an external chamfer tending to oppose any deformation towards the outside and therefore any enlargement of the slots, this chamfer being able to be d 'a relatively small size because the central recess, by receiving the cut insulating material, avoids a stuffing effect and therefore a tendency to the separation of the two branches.

De préférence, la hauteur des fentes est telle que l'extrémité de la fente opposée aux pointes est.située en deçà du fond dudit évidement sensiblement cylindrique., En d'autres termes,'la hauteur des fentes est inférieure à la profondeur dudit évidement.Preferably, the height of the slots is such that the end of the slot opposite the points is located below the bottom of said substantially cylindrical recess. In other words, the height of the slots is less than the depth of said recess .

La queue de contact peut être réalisée de toute façon pour former elle-même, par exemple, un contact mâle ou femelle enfichable.The contact tail can be made anyway to form itself, for example, a male contact or plug-in female.

L'invention a également pour objet un procédé de fabrication de ce contact, caractérisé en ce que l'on utilise un tronçon de tige métallique rigide (à l'échelle du contact qui peut être de très petite dimension), dont on assure de préférence le décolletage de l'extrémité, que de préférence on chanfreine extérieurement l'extrémité.de cette tige, que l'on effectue le perçage axial de l'évidement central à un diamètre de préférence légèrement inférieur au diamètre du chanfrein, que l'on usine les deux fentes et que l'on forme les pointes.The invention also relates to a method of manufacturing this contact, characterized in that a rigid metal rod section is used (on the scale of the contact which can be very small), which is preferably provided the turning of the end, which is preferably chamfered on the outside of the end of this rod, that the axial drilling of the central recess is carried out at a diameter preferably slightly smaller than the diameter of the chamfer, which is machine the two slits and form the points.

De préférence, l'usinage des fentes est effectué à l'aide d'une fraise-scie alors que la mise en forme des pointes, selon un plan perpendiculaire au plan de découpage des fentes, s'effectue à l'aide d'une fraise de forme, présentant une gorge de préférence triangulaire.Preferably, the machining of the slots is carried out using a milling cutter while the shaping of the points, according to a plane perpendicular to the cutting plane of the slots, is carried out using a strawberry in shape, preferably with a triangular groove.

L'invention a également pour objet un connecteur comprenant un ou de préférence une pluralité de contacts, caractérisé en ce qu'il comporte, sur un berceau de connecteur, un ou plusieurs contacts selon l'invention avec les branches de contact émergeant dudit berceau, le contact prenant appui sur le berceau pour rester fixe par. rapport à celui-ci lors de la pénétration dans la matière isolante.The subject of the invention is also a connector comprising one or preferably a plurality of contacts, characterized in that it comprises, on a connector cradle, one or more contacts according to the invention with the contact branches emerging from said cradle, the contact resting on the cradle to remain fixed by. compared to this during penetration into the insulating material.

Le berceau, qui peut être associé à un boîtier usuel de connecteur contenant les parties non dépassantes de contact, peut également être associé à un couvercle de connecteur susceptible de recevoir le fil ou le câble en nappe pour l'appliquer contre le berceau et réaliser la pénétration des branches des différents contacts individuels dans la matière isolante.The cradle, which can be associated with a usual connector housing containing the non-protruding contact parts, can also be associated with a connector cover capable of receiving the wire or ribbon cable to apply it against the cradle and carry out the penetration of the branches of the individual contacts into the insulating material.

D'autres avantages et caractéristiques de l'invention apparaîtront à la lecture de la description suivante, faite à titre d'exemple non limitatif et se référant aux dessins annexés dans lesquels :

  • La figure 1 représente une vue en élévation de l'extrémité d'un connecteur selon l'invention.
  • La figure 2 représente une vue en perspective de cette extrémité.
  • Les figures 3 à 7 représentent schématiquement les différentes étapes du procédé de fabrication d'un contact selon l'invention.
  • La figure 8 représente une vue schématique en perspective d'une partie d'un connecteur comprenant les contacts selon l'invention.
  • La figure 9 représente une vue schématique d'une partie du connecteur lors de l'enfoncement des contacts dans un câble en nappe.
  • La figure 10 représente une vue schématique du conducteur serré dans les fentes d'un contact.
Other advantages and characteristics of the invention will appear on reading the following description, given by way of nonlimiting example and referring to the appended drawings in which:
  • Figure 1 shows an elevational view of the end of a connector according to the invention.
  • Figure 2 shows a perspective view of this end.
  • Figures 3 to 7 schematically represent the different stages of the method of manufacturing a contact according to the invention.
  • FIG. 8 represents a schematic perspective view of part of a connector comprising the contacts according to the invention.
  • FIG. 9 represents a schematic view of part of the connector when the contacts are inserted into a ribbon cable.
  • FIG. 10 represents a schematic view of the conductor clamped in the slots of a contact.

On se réfère aux figures 1 et 2.We refer to Figures 1 and 2.

L'extrémité 18 du contact que l'on voit sur ces figures présente, par rapport à la partie centrale cylindrique 1 du contact, un diamètre réduit de façon à former un épaulement radial 2. Cette extrémité présente deux branches sensiblement semi-cylindriques 3,4 qui entourent un évidement cylindrique concentrique 5. Chacune des branches 3, 4 possède une pointe de pénétration 6,7 dont la partie supérieure est disposée pratiquement dans le cylindre géométrique qui délimite l'évidement cylindrique interne 5. Les extrémités 6, 7 présentent vers l'extérieur une partie chanfreinée.8,9. Par ailleurs, depuis l'extrémité 6 de la branche 3, s'étendent en retrait deux pans 10 auxquels correspondent des pans 11 sur la branche 4. Les pans 10, comme on le voit sur le dessin, de même que les pans 11, présentent une inclinaison telle que, vue dans la direction longitudinale du contact, l'arête supérieure 12, qui constitue l'intersection du pan 10 avec la surface cylindrique interne de l'évidement 5, se trouve disposée constamment au-dessus de l'arête 13, qui constitue l'intersection du pan 10 avec la surface cylindrique extérieure de la branche 3.The end 18 of the contact that can be seen in these figures has, with respect to the cylindrical central part 1 of the contact, a reduced diameter so as to form a radial shoulder 2. This end has two substantially semi-cylindrical branches 3, 4 which surround a concentric cylindrical recess 5. Each of the branches 3, 4 has a penetration point 6,7 the upper part of which is arranged practically in the geometrical cylinder which delimits the internal cylindrical recess 5. The ends 6, 7 present towards the outside a chamfered part. 8,9. Furthermore, from the end 6 of the branch 3, extend back two flaps 10 to which correspond flaps 11 on the branch 4. The flaps 10, as seen in the drawing, as well as the flaps 11, have an inclination such that, seen in the longitudinal direction of contact, the upper edge 12, which constitutes the intersection of the face 10 with the internal cylindrical surface of the recess 5, is constantly arranged above the edge 13, which constitutes the intersection of the pan 10 with the external cylindrical surface of the branch 3.

Les deux pans 10, 11 situés en face l'un de l'autre convergent en retrait vers une fente longitudinale 14 dont le fond 15 est situé au-dessus du fond 16 de l'évidement central cylindrique 5.The two sides 10, 11 located opposite one another converge back towards a longitudinal slot 14, the bottom 15 of which is located above the bottom 16 of the central cylindrical recess 5.

Pour fabriquer un contact ainsi décrit, on voit, en se reportant aux figures 3.à 7, les différentes étapes du procédé utilisé.To manufacture a contact thus described, we see, with reference to FIGS. 3 to 7, the different stages of the process used.

On part d'un tronçon de tige métallique conductrice usuelle pour réaliser le contact, en métal à ressort ou non, ayant le diamètre de la partie 1. A l'aide d'un tour schématiquement représenté par son outil 17, on réalise un décolletage de l'extrémité 18 de la tige de façon à en réduire le diamètre et réaliser l'épaulement 2 (figure 3).We start from a usual conductive metal rod section to make the contact, made of spring metal or not, having the diameter of the part 1. With the help of a lathe schematically represented by its tool 17, we perform a turning from the end 18 of the rod so as to reduce the diameter and make the shoulder 2 (Figure 3).

On réalise ensuite sur le tour un chanfrein 19 à l'extrémité de la partie rétrécie 18, grâce à un outil à chanfreiner 20 (figure 4).A chamfer 19 is then produced on the lathe at the end of the narrowed part 18, using a chamfering tool 20 (FIG. 4).

En se référant ensuite à la figure 5, on voit que l'on effectue le perçage, à l'aide d'un outil de perçage usuel 21, de l'évidement cylindrique interne 5.Referring next to FIG. 5, it can be seen that the drilling is carried out, using a conventional drilling tool 21, of the internal cylindrical recess 5.

Ensuite, comme on le voit sur la figure 6, on réalise en un-seul temps les deux fentes 14 à l'aide d'une fraise-scie 22 ayant l'épaisseur voulue.Then, as can be seen in FIG. 6, the two slots 14 are produced in a single time using a saw mill 22 having the desired thickness.

Enfin, comme on le voit sur la figure 7, on réalise les pointes 6 et 7 et les pans 10 et 11 à l'aide d'une fraise de forme 23 ayant une gorge interne à section en V, l'axe de rotation de la fraise 23 étant perpendiculaire à l'axe de rotation de la scie 22 de façon que les deux sommets 6,7 soient angulairement décalés de 90° par rapport aux fentes 14.Finally, as can be seen in FIG. 7, the points 6 and 7 and the flaps 10 and 11 are produced using a milling cutter 23 having an internal groove with a V section, the axis of rotation of the cutter 23 being perpendicular to the axis of rotation of the saw 22 so that the two vertices 6,7 are angularly offset by 90 ° relative to the slots 14.

Bien entendu, le procédé ainsi défini peut faire l'objet de différentes variantes, certaines étapes pouvant être interverties et le chanfreinage pouvant être éventuellement omis. De même, il n'est pas absolument nécessaire de réaliser un épaulement 2, le positionnement du contact dans le connecteur pouvant être assuré d'une autre façon.Of course, the process thus defined can be the subject of different variants, certain steps being able to be reversed and the chamfering being possibly omitted. Likewise, it is not absolutely necessary to produce a shoulder 2, the positioning of the contact in the connector being able to be ensured in another way.

Par ailleurs, on n'a pas représenté l'usinage du reste du contact, y compris de sa queue. Le reste du contact peut être de toute forme connue ou autre. La queue du contact peut être réalisée sous forme de fiche mâle ou femelle.Furthermore, the machining of the rest of the contact, including its tail. The rest of the contact can be of any known or other form. The tail of the contact can be produced in the form of a male or female plug.

On se réfère maintenant aux figures 8 à 10.We now refer to Figures 8 to 10.

On a représenté schématiquement à la figure 8 un connecteur comprenant des contacts selon l'invention.FIG. 8 schematically shows a connector comprising contacts according to the invention.

Ce connecteur comporte, d'une façon en soi connue, un berceau 24 muni d'une pluralité de trous 25 répartis sur deux rangées parallèles, décalées d'un demi-pas l'une par rapport à l'autre. Le berceau 24 est solidaire d'un boîtier de connecteur 26 muni de moyens de fixation 27 pour l'assujettissement du couvercle 28 de connecteur.This connector comprises, in a manner known per se, a cradle 24 provided with a plurality of holes 25 distributed over two parallel rows, offset by a half-step relative to each other. The cradle 24 is integral with a connector housing 26 provided with fixing means 27 for securing the connector cover 28.

Les différents contacts individuels sont insérés dans les différents trous 25 du berceau 24 de façon que leurs branches 3, 4 restent apparentes. Des moyens de type connu (à méplat, à bossage.ou semblables) maintiennent les contacts de façon telle que leurs fentes 14 restent perpendiculaires aux rangées de trous 25. On voit en 29 apparaître la queue, sous forme de fiche mâle, de l'un des contacts 3,4.The different individual contacts are inserted into the different holes 25 of the cradle 24 so that their branches 3, 4 remain visible. Known type means (flat, bossed or similar) maintain the contacts so that their slots 14 remain perpendicular to the rows of holes 25. We see at 29 appear the tail, in the form of male plug, one of the contacts 3,4.

Un câble en nappe 30, muni de différents conducteurs électriques parallèles 31, est disposé sous le couvercle 28 dans la configuration représentée sur le dessin. Chaque bord latéral du câble est précentré par un épaulement 32 du couvercle 28 et centré par des nervures parallèles que comprend le couvercle 28 et qui s'engagent dans des rainures parallèles 36 du câble en nappe 30. Il en résulte que, lorsque l'on viendra appliquer le couvercle 28 sur le berceau 24, les différents conducteurs 31, qui sont séparés les uns des autres par la moitié du pas de deux trous 25 consécutifs de la même rangée, viendront se disposer au-dessus des contacts 3, 4, chaque conducteur 31 étant ainsi associé à un seul contact.A ribbon cable 30, provided with different parallel electrical conductors 31, is disposed under the cover 28 in the configuration shown in the drawing. Each lateral edge of the cable is precentered by a shoulder 32 of the cover 28 and centered by parallel ribs which the cover 28 includes and which engage in parallel grooves 36 of the ribbon cable 30. As a result, when one will apply the cover 28 on the cradle 24, the various conductors 31, which are separated from each other by half the pitch of two consecutive holes 25 of the same row, will be placed above the contacts 3, 4, each conductor 31 thus being associated with a single contact.

Lorsque le couvercle 28 a été mis en place sur le connecteur, des plots 35, portés en saillie par ce couvercle, ont pénétré respectivement dans les évidements cylindriques 5 des différents contacts et les différentes branches 3, 4 de ceux-ci ont perforé et traversé la matière isolante 33 de la nappe de câble, les pointes 6, 7 émergeant de l'autre côté de la nappe 30. Lors du mouvement de pénétration des branches 3, 4 d'un contact dans la matière isolante, cette matière est refoulée sans bourrage à l'intérieur de l'évidement intérieur 5 et, à mesure que le contact s'enfonce dans la matière isolante, le conducteur 31, par exemple à sept torons, est guidé par les arêtes 12 et progressivement déformé pour venir s'enfoncer dans les deux fentes 14 comme représenté sur la figure 9. Dans cette position, les bords des fentes 14 assurent un contact électrique parfait entre les branches 3,4 et le conducteur 31.When the cover 28 has been placed on the connector, studs 35, projecting by this cover, have respectively penetrated into the cylindrical recesses 5 of the different contacts and the different branches 3, 4 of these have perforated and passed through the insulating material 33 of the cable ply, the points 6, 7 emerging from the other side of the ply 30. During the movement of penetration of the branches 3, 4 of a contact in the insulating material, this material is pushed back without jamming inside the interior recess 5 and, as the contact sinks into the insulating material, the conductor 31, for example with seven strands, is guided by the edges 12 and gradually deformed to come to sink into the two slots 14 as shown in the figure 9. In this position, the edges of the slots 14 ensure perfect electrical contact between the branches 3, 4 and the conductor 31.

En se référant plus particulièrement à la figure 10 qui représente une vue schématique en section transversale d'un contact au niveau du conducteur 31 déformé, on voit que la matière isolante 33, entourant le conducteur 31, a pu largement trouver sa place dans l'évidement intérieur 5. Le conducteur 31 lui-même est déformé en étant en quelque sorte pincé uniquement lors de'son passage à travers les deux fentes 14 dans les zones 34.Referring more particularly to FIG. 10 which represents a schematic cross-sectional view of a contact at the level of the deformed conductor 31, it can be seen that the insulating material 33, surrounding the conductor 31, could have largely found its place in the inner recess 5. The conductor 31 itself is deformed by being pinched in a way only when it passes through the two slots 14 in the zones 34.

Bien que l'invention ait été décrite à propos d'une forme de.réalisation particulière, il est bien entendu qu'elle n'y est nullement limitée et qu'on peut lui apporter diverses modifications de forme ou de matériaux sans pour cela s'éloigner ni de son cadre ni de son esprit.Although the invention has been described in connection with a particular form of embodiment, it is understood that it is in no way limited thereto and that it can be made to it in various modifications of form or of materials without thereby '' move away neither from its frame nor from its spirit.

Il est à noter qur l'extrémité 18 de chaque contact, au lieu d'être cylindrique jusqu'à l'épaulement 2, pourrait être par exemple tronconique ou cylindrique sur la majeure partie de sa hauteur en étant raccordée à l'épaulement 2 par un congé à profil arqué. De plus, il serait possible de donner aux fentes 14 de chaque contact des largeurs inégales.It should be noted that the end 18 of each contact, instead of being cylindrical up to the shoulder 2, could for example be frustoconical or cylindrical over most of its height by being connected to the shoulder 2 by an arched profile leave. Moreover, he it would be possible to give the slots 14 of each contact unequal widths.

Claims (7)

1. Contact électrique destiné à être raccordé à un câble électrique qui est formé d'au moins un conducteur (31) entouré d'un isolant (33), sans enlèvement préalable de cet isolant (33), lequel contact présente à son extrémité avant deux branches sensiblement semi-cylindriques (3,4) entourant un évidement central (5) de forme sensiblement cylindrique et séparées par deux fentes longitudinales diamétralement opposées (14) destinées à recevoir le conducteur (31), ces branches (3,4) se terminant vers l'avant par des pointes (6,7) qui sont capables de pénétrer dans l'isolant (33) et qui convergent deux par deux vers l'arrière jusqu'à l'une ou l'autre des fentes (14), les branches (3,4) étant reliées l'une à l'autre à l'arrière des deux fentes (14), caractérisé en ce qu'il.ne comporte que deux pointes (6,7) décalées circonférentiellement de 90° par rapport aux fentes (14), ce grâce à quoi le conducteur (31) est guidé vers-les deux fentes (14) lors de la pénétration des pointes (6,7) dans l'isolant (33).1. Electrical contact intended to be connected to an electrical cable which is formed of at least one conductor (31) surrounded by an insulator (33), without prior removal of this insulator (33), which contact has at its front end two substantially semi-cylindrical branches (3,4) surrounding a central recess (5) of substantially cylindrical shape and separated by two diametrically opposite longitudinal slots (14) intended to receive the conductor (31), these branches (3,4) ending forwards by points (6,7) which are capable of penetrating into the insulation (33) and which converge two by two backwards to one or the other of the slots (14) , the branches (3,4) being connected to each other at the rear of the two slots (14), characterized in that it only has two points (6,7) offset circumferentially by 90 ° relative to the slots (14), whereby the conductor (31) is guided towards the two slots (14) during the penetration of the tips (6,7) in the i solant (33). 2. Contact électrique selon la revendication 1, caractérisé en ce que l'extrémité de chaque branche (3,4); au niveau de la pointe (6,7), est munie d'un chanfrein extérieur (8,9) tendant à s'opposer à la déformation du contact vers l'extérieur.2. Electrical contact according to claim 1, characterized in that the end of each branch (3,4); at the point (6,7), is provided with an external chamfer (8,9) tending to oppose the deformation of the contact towards the outside. 3. Contact électrique selon l'une des revendications et 2, caractérisé en ce que la hauteur des fentes (14) est telle que l'extrémité (15) de la fente opposée aux pointes (6,7) est située en deçà du fond (16) dudit évidement central (5).3. Electrical contact according to one of claims and 2, characterized in that the height of the slots (14) is such that the end (15) of the slot opposite the points (6,7) is located below the bottom (16) of said central recess (5). 4. Contact électrique selon l'une quelconque des revendications 1 à 3, caractérisé en ce que chaque branche (3,4) possède, de part et d'autre de la pointe (6,7), deux pans (10) s'étendant vers l'arrière jusqu'à la fente correspondante (14), l'arête d'intersection (12) de chaque pan (10) avec la surface interne dudit évidement (5) étant située à un niveau supérieur plus proche du sommet de la pointe correspondante (6,7) que l'arête opposée (13) formant l'intersection dudit pan (10) avec la surface semi- cylindrique extérieurede la branche (3,4).4. Electrical contact according to any one of claims 1 to 3, characterized in that each branch (3,4) has, on either side of the tip (6,7), two sides (10) s' extending rearward to the corresponding slot (14), the intersection edge (12) of each panel (10) with the internal surface of said recess (5) being located at a higher level closer to the top of the corresponding point (6,7) than the opposite edge (13) forming the intersection of said face (10) with the external semi-cylindrical surface of the branch (3,4). 5. Procédé de fabrication d'un contact électrique selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'on utilise un tronçon de tige métallique, que l'on effectue le perçage axial de l'évidement central (5), que l'on usine les deux fentes (14) et que l'on forme les pointes (6,7).5. Method of manufacturing an electrical contact according to any one of claims 1 to 4, characterized in that a metal rod section is used, which is carried out the axial drilling of the central recess (5) , that the two slots are machined (14) and that the points are formed (6,7). 6. Procédé selon la revendication 5, caractérisé en ce que l'on effectue un chanfreinage (19) de l'extrémité du tronçon et que l'on effectue le perçage axial de l'évidement central (5) à un diamètre légèrement inférieur au diamètre du chanfrein (19).6. Method according to claim 5, characterized in that one carries out a chamfering (19) of the end of the section and that one carries out the axial drilling of the central recess (5) to a diameter slightly less than bevel diameter (19). 7. Connecteur, notamment pour câbles en nappe, caractérisé en ce qu'il comprend au moins un contact selon l'une quelconque des revendications 1 à 4, sur un berceau de connecteur (24) de façon que les deux branches (3,4) du connecteur émergent dudit berceau (24).7. Connector, in particular for ribbon cables, characterized in that it comprises at least one contact according to any one of claims 1 to 4, on a connector cradle (24) so that the two branches (3,4 ) of the connector emerging from said cradle (24).
EP82400133A 1981-01-28 1982-01-25 Insulation stripping electrical contact, process of manufacturing or this contact and connectors comprising this contact, particularly for flat cables Withdrawn EP0057633A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8101588 1981-01-28
FR8101588A FR2498822A1 (en) 1981-01-28 1981-01-28 SELF-CONDUCTING ELECTRICAL CONTACT, METHOD FOR MANUFACTURING THIS CONTACT AND CONNECTORS INCLUDING THIS CONTACT, IN PARTICULAR FOR TABLECLOTH CABLES

Publications (1)

Publication Number Publication Date
EP0057633A1 true EP0057633A1 (en) 1982-08-11

Family

ID=9254595

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82400133A Withdrawn EP0057633A1 (en) 1981-01-28 1982-01-25 Insulation stripping electrical contact, process of manufacturing or this contact and connectors comprising this contact, particularly for flat cables

Country Status (7)

Country Link
EP (1) EP0057633A1 (en)
JP (1) JPS57502235A (en)
CA (1) CA1184982A (en)
DK (1) DK36282A (en)
ES (1) ES271040Y (en)
FR (1) FR2498822A1 (en)
WO (1) WO1982002627A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2592743A1 (en) * 1986-01-08 1987-07-10 Allied Corp FUT BORGNE ELECTRICAL CONNECTION TERMINAL AND MANUFACTURING METHOD THEREOF
FR2661565A1 (en) * 1990-04-26 1991-10-31 Sofycom Method of manufacturing a self-stripping tubular split pin for a telephone connection device
EP0578118A1 (en) * 1992-07-10 1994-01-12 Richard Hirschmann GmbH & Co. Plug contact element
EP0884800A3 (en) * 1997-06-12 2001-10-10 Tyco Electronics Logistics AG Connection device for coaxial cable
DE102009050569B4 (en) * 2009-08-10 2011-09-22 Willy Kreutz Gmbh & Co. Kg Contact pin for use on lighting means and method for its production
CN102969591A (en) * 2012-11-12 2013-03-13 中航光电科技股份有限公司 Self-stripping wire electric coupler and contact piece thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2651768A (en) * 1947-04-02 1953-09-08 Oortgijsen Jan Electrical terminal having conductor-severing edge
GB1428359A (en) * 1971-12-21 1976-03-17 Communications Patents Ltd Electrical connectors
FR2282730A1 (en) * 1974-08-22 1976-03-19 Thomas & Betts Corp PERFECTED ELECTRICAL CONTACT
JPS51119991A (en) * 1975-04-15 1976-10-20 Daiichi Denshi Kogyo Kk Connecting end
GB2026255A (en) * 1978-06-24 1980-01-30 Bunker Ramo Electrical contact
CH616533A5 (en) * 1976-08-17 1980-03-31 Gerhard Mueller Connecting post for insulating wires for electrical wiring of devices or parts of devices, particularly in mainly flat construction
US4210378A (en) * 1979-04-23 1980-07-01 Minnesota Mining And Manufacturing Company Electrical wire connection

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2378390A1 (en) * 1977-01-21 1978-08-18 Muller Gerhard Multiwire circuit connection post - with assembly simplified by stripping insulation when pushing wires through slot contractions

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2651768A (en) * 1947-04-02 1953-09-08 Oortgijsen Jan Electrical terminal having conductor-severing edge
GB1428359A (en) * 1971-12-21 1976-03-17 Communications Patents Ltd Electrical connectors
FR2282730A1 (en) * 1974-08-22 1976-03-19 Thomas & Betts Corp PERFECTED ELECTRICAL CONTACT
JPS51119991A (en) * 1975-04-15 1976-10-20 Daiichi Denshi Kogyo Kk Connecting end
CH616533A5 (en) * 1976-08-17 1980-03-31 Gerhard Mueller Connecting post for insulating wires for electrical wiring of devices or parts of devices, particularly in mainly flat construction
GB2026255A (en) * 1978-06-24 1980-01-30 Bunker Ramo Electrical contact
US4210378A (en) * 1979-04-23 1980-07-01 Minnesota Mining And Manufacturing Company Electrical wire connection

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2592743A1 (en) * 1986-01-08 1987-07-10 Allied Corp FUT BORGNE ELECTRICAL CONNECTION TERMINAL AND MANUFACTURING METHOD THEREOF
FR2661565A1 (en) * 1990-04-26 1991-10-31 Sofycom Method of manufacturing a self-stripping tubular split pin for a telephone connection device
EP0578118A1 (en) * 1992-07-10 1994-01-12 Richard Hirschmann GmbH & Co. Plug contact element
EP0884800A3 (en) * 1997-06-12 2001-10-10 Tyco Electronics Logistics AG Connection device for coaxial cable
DE102009050569B4 (en) * 2009-08-10 2011-09-22 Willy Kreutz Gmbh & Co. Kg Contact pin for use on lighting means and method for its production
CN102969591A (en) * 2012-11-12 2013-03-13 中航光电科技股份有限公司 Self-stripping wire electric coupler and contact piece thereof
CN102969591B (en) * 2012-11-12 2015-04-29 中航光电科技股份有限公司 Self-stripping wire electric coupler and contact piece thereof

Also Published As

Publication number Publication date
ES271040Y (en) 1984-05-01
FR2498822A1 (en) 1982-07-30
CA1184982A (en) 1985-04-02
JPS57502235A (en) 1982-12-16
DK36282A (en) 1982-07-29
FR2498822B1 (en) 1984-05-11
ES271040U (en) 1983-09-01
WO1982002627A1 (en) 1982-08-05

Similar Documents

Publication Publication Date Title
EP3304648A1 (en) Metal clip for electrically connecting a conductive wire to a metal element
FR3048136A1 (en) ELECTRICAL CONNECTOR COMPRISING A PLURALITY OF ELECTRICALLY CONDUCTIVE SLABS
FR2621180A1 (en) CAGE TYPE ELECTRIC CONTACT TERMINAL
EP3252874B1 (en) Female contact sleeve, connector using the sleeve and manufacturing method
EP0247360B1 (en) Slotted connection arrangement for an electrical wire and relative connection-tool tip
EP0057633A1 (en) Insulation stripping electrical contact, process of manufacturing or this contact and connectors comprising this contact, particularly for flat cables
EP0684662B1 (en) Insulation displacement connector
FR2566969A1 (en) ELECTRIC CONTACT ELEMENT OF A CONNECTOR AND METHOD FOR MANUFACTURING THE SAME
FR2722033A1 (en) ELECTRICAL CONNECTION MODULE WITH CONNECTING PART OF THE TYPE WITH A WIRE RETAINING SLOT PROVIDED WITH AN INSULATING MOUTH
FR2551592A1 (en) PLUG-IN CONNECTOR AND CONTACT ELEMENT FOR SUCH CONNECTOR
EP1166394A1 (en) Self-stripping connecting device for two electric cables
EP0040163B1 (en) Method for manufacturing end commutators in electric motors
EP0358562B1 (en) Shielded connector housing
EP0209452A1 (en) Multiple-purpose connector for connecting different cable types of electrical conductors together
CH631293A5 (en) ELECTRIC CONTACT.
FR2681733A1 (en) FEMALE CONTACT WITH ELASTIC PALLET AND PALLET FOR SUCH A CONTACT.
FR2600825A1 (en) Hermaphroditic contact for an insulated electrical conductor and connector comprising such contacts
EP0007870A1 (en) Electrical connecting device
WO1996019019A1 (en) Electric plug of the british type
EP4350898A1 (en) Electrical connector comprising two plurality of flexible slats, one surrounding the other in an inserted configuration of the connector
FR2812901A1 (en) Tubular scaffolding connector has lugs with truncated pyramidal surfaces engaging with matching recesses in tube ends
FR3038778B1 (en) METHOD FOR MANUFACTURING A FORCE-INTEGRATION CONTACT IN HOUSING, TOOL FOR IMPLEMENTING SAID METHOD, AND FORCE-IN CONTACT
EP0068908B1 (en) Method for the mechanical and electrical connection of conductors to the collector of an armature of an electric machine
EP0786159B1 (en) Electrical contact terminal comprising prestressed terminal blades
EP0093056B1 (en) Electrical connection device

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): BE CH DE GB IT LI LU NL SE

17P Request for examination filed

Effective date: 19830110

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19850619