EP0800240A1 - Shielded electrical connector with bent contact pins - Google Patents

Shielded electrical connector with bent contact pins Download PDF

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Publication number
EP0800240A1
EP0800240A1 EP97400645A EP97400645A EP0800240A1 EP 0800240 A1 EP0800240 A1 EP 0800240A1 EP 97400645 A EP97400645 A EP 97400645A EP 97400645 A EP97400645 A EP 97400645A EP 0800240 A1 EP0800240 A1 EP 0800240A1
Authority
EP
European Patent Office
Prior art keywords
blocks
shielding
insulating material
channels
contact rods
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Withdrawn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
EP97400645A
Other languages
German (de)
French (fr)
Inventor
Jacques Henri Heulot
Jacky Thenaisie
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.)
FCI SA
Original Assignee
Framatome Connectors International SAS
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 Framatome Connectors International SAS filed Critical Framatome Connectors International SAS
Publication of EP0800240A1 publication Critical patent/EP0800240A1/en
Withdrawn legal-status Critical Current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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/50—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted on a PCB [Printed Circuit Board]
    • 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
    • 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
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H01R43/24—Assembling by moulding on contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49204—Contact or terminal manufacturing
    • Y10T29/49208—Contact or terminal manufacturing by assembling plural parts
    • Y10T29/4922—Contact or terminal manufacturing by assembling plural parts with molding of insulation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49204—Contact or terminal manufacturing
    • Y10T29/49208—Contact or terminal manufacturing by assembling plural parts
    • Y10T29/49222—Contact or terminal manufacturing by assembling plural parts forming array of contacts or terminals

Abstract

The connector has metallic contact rods (1) with right-angle bends which are embedded in electrical insulation (2) which is screened (3) by superimposed metallic blocks (4a,4b) with right-angled channels (5a-5c,6a-6c) in their contiguous plane faces. The channels are shaped so that the screening is broken in regions (7a,7b) where the insulation is contacted, without creating any empty space therein. The screening surrounds the insulation completely in a straight part of each bend formed by the channels. Portions (9a,9b,10a,10b) between two contact rods are separated by a cavity ((12a,12b) extending throughout their length and open at both ends.

Description

La présente invention concerne un connecteur blindé, miniature, à tiges de contact coudées et électriquement isolées par rapport au blindage.The present invention relates to a shielded, miniature connector, with angled contact rods and electrically insulated with respect to the shielding.

L'invention vise également le procédé de fabrication du connecteur ci-dessus.The invention also relates to the method for manufacturing the above connector.

Ce type de connecteur comprend des picots faisant saillie de l'une de ses faces, destinés à être fixés par exemple par soudage à un circuit imprimé. D'une face située à angle droit par rapport à la face ci-dessus, font saillie des douilles de blindage entourant coaxialement des embouts de contact femelles reliés aux tiges de contact coudées.This type of connector includes pins projecting from one of its faces, intended to be fixed for example by welding to a printed circuit. On one side located at right angles to the above side, shield sockets protrude coaxially surrounding female contact tips connected to the bent contact rods.

De tels connecteurs doivent présenter un encombrement le plus réduit possible, leurs tiges de contact coudées étant ainsi très rapprochées les unes les autres, tout en étant parfaitement isolées électriquement et efficacement blindées.Such connectors must have the smallest possible footprint, their bent contact rods thus being very close to each other, while being perfectly electrically insulated and effectively shielded.

Les documents ci-après illustrent l'art antérieur relatif aux connecteurs du type précité :

  • EP-A-0488 482
  • US-A-5 169 343
  • EP-A-0446 980
  • US-A-4 914 062
  • FR-A-2 552 939
  • FR-A-2 262 473
  • EP-A-0 547 979
  • EP-A-0 613 215
  • FR-A-2 702 095
  • DE-B-4 438 872
The following documents illustrate the prior art relating to connectors of the aforementioned type:
  • EP-A-0488 482
  • US-A-5 169 343
  • EP-A-0446 980
  • US-A-4,914,062
  • FR-A-2 552 939
  • FR-A-2 262 473
  • EP-A-0 547 979
  • EP-A-0 613 215
  • FR-A-2 702 095
  • DE-B-4 438 872

A l'exception du DE-B-4 438 872, tous les documents ci-dessus décrivent des connecteurs dans lesquels une parfaite continuité du blindage est réalisée entre les tiges de contact.With the exception of DE-B-4 438 872, all the above documents describe connectors in which a perfect continuity of the shielding is achieved between the contact rods.

Dans le cas du DE-B-4 438 872 le blindage n'est pas continu entre les tiges de contact. Cependant, il existe entre les tiges de contact des espaces vides qui augmentent l'encombrement du connecteur.In the case of DE-B-4 438 872 the shielding is not continuous between the contact rods. However, there are empty spaces between the contact rods which increase the size of the connector.

Par ailleurs, les connecteurs illustrés par l'art antérieur ci-dessus sont dans l'ensemble de fabrication relativement coûteuse.Furthermore, the connectors illustrated by the above prior art are generally relatively expensive to manufacture.

Le but de la présente invention est de remédier aux inconvénients des connecteurs connus, en créant un connecteur d'encombrement réduit, de fabrication peu coûteuse et dans lequel les tiges de contact sont parfaitement isolées et blindées les unes des autres.The object of the present invention is to remedy the drawbacks of known connectors, by creating a compact connector, inexpensive to manufacture and in which the contact rods are perfectly insulated and shielded from one another.

L'invention vise ainsi un connecteur comprenant une série de tiges de contact métalliques espacées et coudées, noyées dans une matière électriquement isolante qui est elle-même entourée par un blindage métalliqueThe invention thus relates to a connector comprising a series of spaced and bent metal contact rods, embedded in an electrically insulating material which is itself surrounded by a metal shield

Suivant l'invention ce connecteur est caractérisé en ce que la matière électriquement isolante est surmoulée autour des tiges de contact, en ce que le blindage est constitué par deux blocs métalliques superposés comportant sur leurs faces en contact des canaux coudés recevant les tiges de contact entourées par la matière électriquement isolante, ces canaux étant conformés de telle sorte que le blindage soit interrompu dans une partie rectiligne du coude formé par les canaux, cette interruption de blindage mettant en contact la matière isolante entourant les tiges de contact, sans créer aucun espace vide dans les zones où le blindage est interrompu.According to the invention this connector is characterized in that the electrically insulating material is overmolded around the contact rods, in that the shielding consists of two superimposed metal blocks comprising on their contacting surfaces bent channels receiving the contact rods surrounded by the electrically insulating material, these channels being shaped so that the shielding is interrupted in a rectilinear part of the elbow formed by the channels, this shielding interruption bringing the insulating material surrounding the contact rods into contact, without creating any empty space in areas where the shielding is interrupted.

Les essais ont montré que l'interruption de blindage entre les tiges de contact coudées n'avait aucune incidence néfaste à l'égard de la qualité globale du blindage.Tests have shown that the interruption of shielding between the bent contact rods had no adverse effect on the overall quality of the shielding.

Cette interruption de blindage et l'absence d'espaces vides entre les tiges de contact permettent de réduire l'encombrement du connecteur.This interruption in shielding and the absence of empty spaces between the contact rods makes it possible to reduce the size of the connector.

De plus, du fait que le blindage soit constitué d'un nombre de pièces réduit à deux blocs et que la matière isolante soit surmoulée sur les tiges de contact, la fabrication du connecteur est à la fois simple et peu coûteuse.In addition, since the shielding is made up of a number of parts reduced to two blocks and the insulating material is overmolded on the contact rods, the manufacture of the connector is both simple and inexpensive.

Suivant l'invention, le procédé de fabrication du connecteur conforme à l'invention comprend les étapes suivantes :

  • on réalise les tiges de contact par découpage de celles-ci dans une tôle métallique, ce découpage laissant en place des entretoises de liaison entre les tiges près des extrémités de celles-ci,
  • on surmoule autour des tiges de contact une matière isolante,
  • on découpe l'entretoise de liaison située près de l'une des extrémités des tiges de contact,
  • on met en place l'ensemble ainsi obtenu dans les canaux de l'un des blocs de blindage,
  • on place au-dessus du bloc de blindage comportant l'ensemble ci-dessus, l'autre bloc de blindage, de façon que ses canaux recouvrent la matière isolante des tiges de contact,
  • on met en place les douilles de blindage dans les conduits de l'un des blocs et,
  • on découpe l'autre entretoise de liaison.
According to the invention, the method of manufacturing the connector according to the invention comprises the following steps:
  • the contact rods are produced by cutting them out of a metal sheet, this cutting leaving in place connecting spacers between the rods near the ends thereof,
  • an insulating material is molded around the contact rods,
  • the connecting spacer is cut located near one of the ends of the contact rods,
  • the assembly thus obtained is put into place in the channels of one of the shielding blocks,
  • the other shielding block is placed above the shielding block comprising the above assembly, so that its channels cover the insulating material of the contact rods,
  • the shielding sockets are placed in the conduits of one of the blocks and,
  • the other connecting spacer is cut.

D'autres particularités et avantages de l'invention apparaîtront encore dans la description ci-après.Other features and advantages of the invention will appear in the description below.

Aux dessins annexés, donnés à titre d'exemples non limitatifs :

  • la figure 1 est une vue en plan d'un connecteur blindé conforme à l'invention,
  • la figure 2 est une vue en plan montrant le dessus du bloc de blindage inférieur et montrant en coupe la matière isolante entourant les tiges de contact,
  • la figure 3 est une vue en plan suivant la flèche F de la figure 1,
  • la figure 4 est une vue en plan suivant la flèche F1 de la figure 1,
  • la figure 5 est une vue en plan suivant la flèche F2 de la figure 1,
  • la figure 6 est une vue en perspective illustrant l'étape de découpage des tiges de contact du procédé selon l'invention,
  • la figure 7 illustre l'étape de mise en place des embouts de contact femelles,
  • la figure 8 illustre l'étape de surmoulage de la matière isolante,
  • la figure 9 illustre l'étape de découpage d'une entretoise de liaison,
  • la figure 10 illustre l'étape de mise en place des tiges de contact entourées de matière isolante entre les deux blocs de blindage,
  • la figure 11 illustre l'étape de mise en place de douilles de blindage,
  • la figure 12 illustre l'étape de mise en place de picots,
  • la figure 13 illustre l'étape de découpage des entretoises de liaison.
In the appended drawings, given by way of nonlimiting examples:
  • FIG. 1 is a plan view of a shielded connector according to the invention,
  • FIG. 2 is a plan view showing the top of the lower shielding block and showing in section the insulating material surrounding the contact rods,
  • FIG. 3 is a plan view along the arrow F in FIG. 1,
  • FIG. 4 is a plan view along the arrow F 1 in FIG. 1,
  • FIG. 5 is a plan view along arrow F 2 in FIG. 1,
  • FIG. 6 is a perspective view illustrating the step of cutting the contact rods of the method according to the invention,
  • FIG. 7 illustrates the step of fitting the female contact tips,
  • FIG. 8 illustrates the step of overmolding the insulating material,
  • FIG. 9 illustrates the step of cutting out a connecting spacer,
  • FIG. 10 illustrates the step of placing the contact rods surrounded by insulating material between the two shielding blocks,
  • FIG. 11 illustrates the step of fitting shielding sockets,
  • FIG. 12 illustrates the step of fitting spikes,
  • FIG. 13 illustrates the step of cutting the connecting spacers.

Dans la réalisation des figures 1 à 5, le connecteur selon l'invention comprend une série de tiges de contact 1 métalliques, espacées et coudées, noyées dans une matière électriquement isolante 2 qui est elle-même entourée par un blindage métallique 3.In the embodiment of FIGS. 1 to 5, the connector according to the invention comprises a series of metallic contact rods 1, spaced apart and bent, embedded in an electrically insulating material 2 which is itself surrounded by a metallic shield 3.

Conformément à l'invention, la matière électriquement isolante 2 est surmoulée autour des tiges de contact 1, le blindage 3 est constitué par deux blocs métalliques 4a, 4b, superposés, comportant sur leurs faces en contact des canaux coudés 5a, 5b, 5c; 6a, 6b, 6c recevant les tiges de contact 1 entourées par la matière électriquement isolante. Ces canaux 5a, 5b, 5c; 6a, 6b, 6c sont conformés de telle sorte que le blindage soit interrompu dans une partie rectiligne 7a, 7b, (voir représentation en pointillés sur la figure 1) du-coude formé par les canaux 5a, 5b, 5c; 6a, 6b, 6c.According to the invention, the electrically insulating material 2 is overmolded around the contact rods 1, the shield 3 consists of two blocks metallic 4a, 4b, superimposed, having on their faces in contact bent channels 5a, 5b, 5c; 6a, 6b, 6c receiving the contact rods 1 surrounded by the electrically insulating material. These channels 5a, 5b, 5c; 6a, 6b, 6c are shaped so that the shielding is interrupted in a rectilinear part 7a, 7b, (see representation in dotted lines in FIG. 1) of the elbow formed by the channels 5a, 5b, 5c; 6a, 6b, 6c.

Cette interruption de blindage 7a, 7b met en contact la matière isolante 2 entourant les tiges de contact 1 sans créer aucun espace vide dans la zone où le blindage est interrompu.This interruption of shielding 7a, 7b brings the insulating material 2 surrounding the contact rods 1 into contact without creating any empty space in the area where the shielding is interrupted.

De préférence, les deux blocs métalliques 4a, 4b du blindage 3 sont moulés.Preferably, the two metal blocks 4a, 4b of the shield 3 are molded.

Comme montré par les figures 2 à 5, les faces en contact 8a, 8b des deux blocs de blindage 4a, 4b sont planes.As shown in Figures 2 to 5, the contacting faces 8a, 8b of the two shielding blocks 4a, 4b are planar.

Comme montré par la figure 4, chaque canal 5a, 5b, 5c; 6a, 6b, 6c, formé dans l'un des blocs 4a, 4b forme avec le canal adjacent de l'autre bloc, un conduit de section circulaire qui entoure la matière isolante et les tiges de contact 1.As shown in Figure 4, each channel 5a, 5b, 5c; 6a, 6b, 6c, formed in one of the blocks 4a, 4b forms with the adjacent channel of the other block, a conduit of circular section which surrounds the insulating material and the contact rods 1.

On voit sur la figure 1 que le blindage 2 entoure complètement la matière isolante 2 dans une partie du coude, (celle qui est horizontale sur la figure 1,) formé par les canaux 5a, 5b, 5c; 6a, 6b, 6c. Les parties 9a, 9b; 10a, 10b du blindage comprises entre deux tiges de contact adjacentes entourées par la matière isolante 2, sont séparées par un creux 12a, 12b.It can be seen in FIG. 1 that the shield 2 completely surrounds the insulating material 2 in a part of the elbow (that which is horizontal in FIG. 1) formed by the channels 5a, 5b, 5c; 6a, 6b, 6c. Parts 9a, 9b; 10a, 10b of the shielding comprised between two adjacent contact rods surrounded by the insulating material 2, are separated by a recess 12a, 12b.

Comme montré sur la figure 2, le creux 12a, 12b s'étend sur la totalité de la longueur des parties 9a, 9b; 10a, 10b de blindage et est ouvert à chacune de ses extrémités.As shown in Figure 2, the recess 12a, 12b extends over the entire length of the parts 9a, 9b; 10a, 10b of shielding and is open at each of its ends.

Par ailleurs, les creux 12a, 12b comportent chacun un trou 13a, 13b pour le passage d'une vis d'assemblage des deux blocs de blindage 4a, 4b.Furthermore, the recesses 12a, 12b each have a hole 13a, 13b for the passage of a connecting screw of the two shielding blocks 4a, 4b.

Dans l'exemple représenté sur les figures 1 à 5, les deux blocs de blindage 4a, 4b, sont sensiblement parallélépidédiques et les canaux 5a, 5b, 5c; 6a, 6b, 6c formés dans ceux-ci,débouchent de deux faces latérales adjacentes 14, 15 situées à angle droit l'un de l'autre.In the example shown in Figures 1 to 5, the two shielding blocks 4a, 4b, are substantially parallelepidedic and the channels 5a, 5b, 5c; 6a, 6b, 6c formed therein, open from two adjacent side faces 14, 15 located at right angles to each other.

On voit sur la figure 10, que l'un 4a des blocs de blindage comprend le long de l'une de ses faces latérales, une protubérance 16 définissant un épaulement 17 perpendiculaire au plan P d'assemblage des deux blocs 4a, 4b. Contre cet épaulement 17, vient s'appuyer l'autre bloc 4b et les canaux 5a, 5b, 5c; 6a, 6b, 6c, formés dans les blocs 4a, 4b débouchent à l'extérieur de la protubérance 16 par des conduits circulaires 18a, 18b, 18c.It can be seen in FIG. 10 that one of the shielding blocks 4a comprises, along one of its lateral faces, a protuberance 16 defining a shoulder 17 perpendicular to the plane P of assembly of the two blocks 4a, 4b. Against this shoulder 17, comes to bear the other block 4b and the channels 5a, 5b, 5c; 6a, 6b, 6c, formed in the blocks 4a, 4b open to the outside of the protuberance 16 by circular conduits 18a, 18b, 18c.

On voit, d'autre part, sur les figures 2 et 10, que la matière isolante 2 surmoulée autour des tiges de contact 1 fait saillie hors des conduits circulaires 18a, 18b, 18c et est entourée pour chaque tige de contact 1 par une douille de blindage 19 (voir également les figures 11 et 12). Ces douilles 19 sont enfoncées dans les conduits circulaires 18a, 18b, 18c, de façon à être en contact avec le blindage 3 des blocs 4a, 4b.We see, on the other hand, in Figures 2 and 10, that the insulating material 2 molded around the contact rods 1 protrudes out of the circular conduits 18a, 18b, 18c and is surrounded for each contact rod 1 by a socket shield 19 (see also Figures 11 and 12). These sockets 19 are inserted into the circular conduits 18a, 18b, 18c, so as to be in contact with the shield 3 of the blocks 4a, 4b.

On va maintenant décrire en référence aux figures 6 à 13, le procédé de fabrication d'un connecteur selon l'invention.We will now describe with reference to Figures 6 to 13, the method of manufacturing a connector according to the invention.

Dans une première étape (voir figure 6), on réalise les tiges de contact 1 coudées par découpage de celles-ci dans une tôle métallique. Ce découpage laisse en place des entretoises 20, 21 de liaison entre les tiges 1 près des extrémités de celles-ci.In a first step (see Figure 6), the contact rods 1 bent are produced by cutting them from a metal sheet. This cutting leaves in place spacers 20, 21 connecting between the rods 1 near the ends thereof.

Dans la deuxième étape illustrée par la figure 7, on fixe sur les extrémités libres des tiges de contact, des embouts de contact femelles 22.In the second step illustrated in FIG. 7, female contact ends 22 are fixed on the free ends of the contact rods.

Dans une étape ultérieure (voir figure 8), on surmoule autour des tiges de contact 1 une matière isolante 2.In a subsequent step (see FIG. 8), an insulating material 2 is molded around the contact rods 1.

Dans l'étape suivante, illustrée par la figure 9, on découpe l'entretoise de liaison 20 située près de l'une des extrémités des tiges de contact 1.In the next step, illustrated in FIG. 9, the connecting spacer 20 located near one of the ends of the contact rods 1 is cut.

Dans l'étape montrée par la figure 10, on met en place l'ensemble obtenu à la suite de l'étape précédente, dans les canaux 5a, 5b, 5c du bloc de blindage 4a, puis on place au-dessus du bloc de blindage 4a, comportant l'ensemble ci-dessus, l'autre bloc de blindage 4b, de façon que ses canaux 6a, 6b, 6c, recouvrent la matière isolante 2 des tiges de contact 1.In the step shown in Figure 10, we put in place the assembly obtained following the previous step, in the channels 5a, 5b, 5c of the shielding block 4a, then we place above the block of shield 4a, comprising the above assembly, the other shield block 4b, so that its channels 6a, 6b, 6c, cover the insulating material 2 of the contact rods 1.

Dans l'étape suivante (voir figure 11) on met en place les douilles de blindage 19 dans les conduits 18a, 18b, 18c du bloc 4a.In the next step (see FIG. 11), the shielding sockets 19 are put into place in the conduits 18a, 18b, 18c of the block 4a.

Dans une étape ultérieure montrée à la figure 12, on met en place sur la face latérale du bloc 4b, de laquelle font saillie les extrémités des tiges de contact 1, des picots 23 reliés par une entretoise de liaison 24.In a subsequent step shown in FIG. 12, pins 23 connected by a connecting spacer 24 are placed on the lateral face of the block 4b, from which the ends of the contact rods 1 project.

Dans la dernière étape illustrée par la figure 13, en enlève les entretoises 21 et 24.In the last step illustrated in Figure 13, remove the spacers 21 and 24.

Les principaux avantages du connecteur que l'on vient de décrire sont les suivants :The main advantages of the connector just described are as follows:

Du fait que les blocs de blindage 4a, 4b sont obtenus par moulage, ils peuvent être fabriqués en grande série à un coût réduit.Since the shielding blocks 4a, 4b are obtained by molding, they can be mass produced at a reduced cost.

L'interruption du blindage dans les zones 7a, 7b (voir figure 1) permet de réduire l'encombrement du connecteur et de placer les tiges de contact 1 très près les unes des autres.The interruption of the shielding in the zones 7a, 7b (see FIG. 1) makes it possible to reduce the size of the connector and to place the contact rods 1 very close to one another.

Le découpage des tiges de contact dans une tôle et le surmoulage de ceux-ci par la matière isolante permet également de faciliter la fabrication des connecteurs et de diminuer leur coût.The cutting of the contact rods in a sheet and the overmolding of these by the insulating material also makes it possible to facilitate the manufacture of the connectors and to reduce their cost.

Claims (11)

Connecteur comprenant une série de tiges de contact métalliques (1) espacées et coudées, noyées dans une matière électriquement isolante (2) qui est elle-même entourée par un blindage métallique (3), caractérisé en ce que la matière électriquement isolante (2) est surmoulée autour des tiges de contact (1), en ce que le blindage (3) est constitué par deux blocs métalliques (4a, 4b) superposés comportant sur leurs faces en contact des canaux coudés (5a, 5b, 5c; 6a, 6b, 6c) recevant les tiges de contact (1) entourées par la matière électriquement isolante (2), ces canaux étant conformés de telle sorte que le blindage (3) soit interrompu dans une partie rectiligne du coude formé par les canaux, cette interruption de blindage mettant en contact la matière isolante (2) entourant les tiges de contact, sans créer aucun espace vide dans les zones (7a, 7b) où le blindage est interrompu.Connector comprising a series of spaced and bent metal contact rods (1), embedded in an electrically insulating material (2) which is itself surrounded by a metal shield (3), characterized in that the electrically insulating material (2) is molded around the contact rods (1), in that the shielding (3) consists of two superimposed metal blocks (4a, 4b) having on their contacting surfaces bent channels (5a, 5b, 5c; 6a, 6b , 6c) receiving the contact rods (1) surrounded by the electrically insulating material (2), these channels being shaped so that the shield (3) is interrupted in a straight portion of the elbow formed by the channels, this interruption of shield bringing the insulating material (2) surrounding the contact rods into contact, without creating any empty space in the zones (7a, 7b) where the shield is interrupted. Connecteur conforme à la revendication 1, caractérisé en ce que les deux blocs métalliques (4a, 4b) du blindage sont moulés.Connector according to claim 1, characterized in that the two metal blocks (4a, 4b) of the shield are molded. Connecteur conforme à l'une des revendications 1 ou 2, caractérisé en ce que les faces en contact (8a, 8b) des deux blocs de blindage (4a, 4b) sont planes.Connector according to either of Claims 1 and 2, characterized in that the contacting faces (8a, 8b) of the two shielding blocks (4a, 4b) are flat. Connecteur conforme à l'une des revendications 1 à 3, caractérisé en ce que chaque canal (5a, 5b, 5c; 6a, 6b, 6c) formé dans l'un des blocs (4a, 4b) forme avec le canal adjacent de l'autre bloc, un conduit de section circulaire.Connector according to one of Claims 1 to 3, characterized in that each channel (5a, 5b, 5c; 6a, 6b, 6c) formed in one of the blocks (4a, 4b) forms with the adjacent channel of the 'other block, a circular section duct. Connecteur conforme à l'une des revendications 1 à 4, caractérisé en ce que le blindage (3) entoure complètement la matière isolante (2) dans une partie du coude formé par les canaux (5a, 5b, 5c; 6a, 6b, 6c), les parties (9a, 9b; 10a, 10b) du blindage comprises entre deux tiges de contact (1) entourées par la matière isolante (2) étant séparées par un creux (12a, 12b).Connector according to one of Claims 1 to 4, characterized in that the shield (3) completely surrounds the insulating material (2) in a part of the elbow formed by the channels (5a, 5b, 5c; 6a, 6b, 6c ), the parts (9a, 9b; 10a, 10b) of the shielding between two contact rods (1) surrounded by the insulating material (2) being separated by a recess (12a, 12b). Connecteur conforme à la revendication 5, caractérisé en ce que chaque creux (12a, 12b) s'étend sur la totalité de la longueur desdites parties de blindage (9a, 9b; 10a, 10b) et est ouvert à chacune de ses extrémités.Connector according to claim 5, characterized in that each recess (12a, 12b) extends over the entire length of said shielding parts (9a, 9b; 10a, 10b) and is open at each of its ends. Connecteur conforme à l'une des revendications 5 ou 6, caractérisé en ce que les creux (12a, 12b) comportent chacun un trou (13a, 13b) pour le passage d'une vis d'assemblage des deux blocs de blindage.Connector according to one of claims 5 or 6, characterized in that the recesses (12a, 12b) each have a hole (13a, 13b) for the passage of a connecting screw of the two shielding blocks. Connecteur conforme à l'une des revendications 1 à 7, caractérisé en ce que les deux blocs de blindage (4a, 4b) sont sensiblement parallélépipédiques, les canaux (5a, 5b, 5c; 6a, 6b, 6c) formés dans ceux-ci débouchant de deux faces latérales adjacentes (14,15) situées à angle droit l'un de l'autre, desdits blocs (4a, 4b).Connector according to one of Claims 1 to 7, characterized in that the two shielding blocks (4a, 4b) are substantially parallelepipedic, the channels (5a, 5b, 5c; 6a, 6b, 6c) formed therein emerging from two adjacent side faces (14,15) located at right angles to each other, said blocks (4a, 4b). Connecteur conforme à la revendication 8, caractérisé en ce que l'un (4a) des blocs comprend le long de l'une de ses faces latérales, une protubérance (16) définissant un épaulement (17) perpendiculaire au plan (P) d'assemblage des deux blocs (4a, 4b), contre lequel vient s'appuyer l'autre bloc (4b), les canaux formés dans lesdits blocs débouchant à l'extérieur de la protubérance (16) par des conduits circulaires (18a, 18b, 18c).Connector according to claim 8, characterized in that one (4a) of the blocks comprises, along one of its lateral faces, a protuberance (16) defining a shoulder (17) perpendicular to the plane (P) of assembly of the two blocks (4a, 4b), against which the other block (4b) comes to bear, the channels formed in said blocks emerging outside the protuberance (16) by circular conduits (18a, 18b, 18c). Connecteur conforme à la revendication 9, caractérisé en ce que la matière isolante (2) surmoulée autour des tiges de contact (1) fait saillie hors des conduits circulaires (18a, 18b, 18c) et est entourée pour chaque tige de contact (1) par une douille de blindage (19) enfoncée dans un conduit circulaire (18a, 18b, 18c), de façon à être en contact avec le blindage (3) desdits blocs.Connector according to claim 9, characterized in that the insulating material (2) overmolded around the contact rods (1) projects out of the circular conduits (18a, 18b, 18c) and is surrounded for each contact rod (1) by a shielding sleeve (19) inserted in a circular duct (18a, 18b, 18c), so as to be in contact with the shield (3) of said blocks. Procédé de fabrication d'un connecteur conforme à l'une des revendications 1 à 10, caractérisé par les étapes suivantes : - on réalise les tiges de contact (1) par découpage de celles-ci dans une tôle métallique, ce découpage laissant en place des entretoises de liaison (20, 21) entre les tiges (1) près des extrémités de celles-ci, - on surmoule autour des tiges de contact (1) une matière isolante (2), - on découpe l'entretoise de liaison (20) située près de l'une des extrémités des tiges de contact (1), - on met en place l'ensemble ainsi obtenu dans les canaux (5a, 5b, 5c) de l'un (4a) des blocs de blindage, - on place au-dessus du bloc de blindage (4a) comportant l'ensemble ci-dessus, l'autre bloc de blindage (4b) de façon que ses canaux (6a, 6b, 6c) recouvrent la matière isolante (2) des tiges de contact (1), - on met en place les douilles de blindage (19) dans les conduits (18a, 18b, 18c) de l'un des blocs et, - on découpe l'autre entretoise de liaison (21). Method of manufacturing a connector according to one of claims 1 to 10, characterized by the following steps: the contact rods (1) are produced by cutting them from a metal sheet, this cutting leaving in place connecting spacers (20, 21) between the rods (1) near the ends thereof, - an insulating material (2) is molded around the contact rods (1), - the connecting spacer (20) located near one of the ends of the contact rods (1) is cut, - the assembly thus obtained is put into place in the channels (5a, 5b, 5c) of one (4a) of the shielding blocks, - the other shielding block (4b) is placed above the shielding block (4a) comprising the above assembly, so that its channels (6a, 6b, 6c) cover the insulating material (2) of the contact rods (1), - the shielding sleeves (19) are put into place in the conduits (18a, 18b, 18c) of one of the blocks and, - the other connecting spacer (21) is cut.
EP97400645A 1996-04-01 1997-03-21 Shielded electrical connector with bent contact pins Withdrawn EP0800240A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9604057A FR2746971B1 (en) 1996-04-01 1996-04-01 MINIATURE SHIELDED CONNECTOR WITH BENDED CONTACT RODS
FR9604057 1996-04-01

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EP0800240A1 true EP0800240A1 (en) 1997-10-08

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US (2) US5851121A (en)
EP (1) EP0800240A1 (en)
JP (1) JPH1032048A (en)
FR (1) FR2746971B1 (en)

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Also Published As

Publication number Publication date
FR2746971B1 (en) 1998-04-30
US5851121A (en) 1998-12-22
FR2746971A1 (en) 1997-10-03
JPH1032048A (en) 1998-02-03
US5943770A (en) 1999-08-31

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