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EP1727245A2 - Shielded connector for electrical conductors - Google Patents

Shielded connector for electrical conductors Download PDF

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Publication number
EP1727245A2
EP1727245A2 EP06290832A EP06290832A EP1727245A2 EP 1727245 A2 EP1727245 A2 EP 1727245A2 EP 06290832 A EP06290832 A EP 06290832A EP 06290832 A EP06290832 A EP 06290832A EP 1727245 A2 EP1727245 A2 EP 1727245A2
Authority
EP
European Patent Office
Prior art keywords
connector
housings
shielding
housing
connector according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06290832A
Other languages
German (de)
French (fr)
Other versions
EP1727245A3 (en
EP1727245B1 (en
Inventor
Gaspard Cayzac
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.)
Amphenol Air LB SAS
Original Assignee
Amphenol Air LB 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 Amphenol Air LB SAS filed Critical Amphenol Air LB SAS
Publication of EP1727245A2 publication Critical patent/EP1727245A2/en
Publication of EP1727245A3 publication Critical patent/EP1727245A3/en
Application granted granted Critical
Publication of EP1727245B1 publication Critical patent/EP1727245B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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  
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
    • 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
    • H01R13/64—Means for preventing incorrect coupling

Definitions

  • the present invention relates to a shielded connector for electrical conductors.
  • Such connectors are conventionally used to ensure the electrical connection of conductors to be connected.
  • Connectors of this type generally comprise two paired connector assemblies, which are fixed on one another, the connector assemblies each comprising an insulating body of molded material incorporating contacts, respectively male and female, mechanical fastening and electrical connection of contact tips provided at the ends to connect conductors, and a shield housing surrounding the insulating body.
  • Such connectors are generally used in transport vehicles, particularly in aircraft, to provide power to embedded electrical or electronic elements, or to exchange data between these elements.
  • the use of composite materials tends to become widespread. This is particularly the case of connectors that are often made of plastic material, which allows them to give them great mechanical strength for a relatively low weight.
  • the composite material connectors unlike connectors made from metallic materials, the composite material connectors generate an electrical discontinuity and thus an interruption of the shielding of the housings at their connection area.
  • the metal housings of the connector assemblies have skirt-like end portions superimposed for continuous shielding between the first and second connector assemblies.
  • Liaison is provided by contacts elastics of continuity.
  • the housings are shaped so as to surround the insulating bodies at their radial peripheral surface, but also axially, at their end surface.
  • the composite housings incorporate the monoblock insulating body. It then becomes relatively difficult to metallize the constituent material of the housings integrating the single-piece insulating body without short-circuiting the contacts, so that these housings must be made separately.
  • the shielding boxes are also specific to a single type of connector is cylindrical or rectangular.
  • the invention therefore aims to provide a shielding of a connector for electrical conductors capable of adapting to a large number of connectors of different types made of composite materials.
  • each shielding casing has a general shape of a hollow cylinder or parallelepiped defining internally a continuous passage, so that the insulating bodies are in contact with one of the other via a seal.
  • the shielding housings in the form of a casing surrounding the bodies, in the absence of any part coming between the facing faces of the insulating bodies, the shielding housings can come to fit on a a large number of existing connectors, since no element disturbs the geometry of the internal assembly of the connector.
  • the skirt end portion of at least one of the housings comprises at least one boss coming into contact with the corresponding end portion of the other housing and making it possible to ensure the continuity.
  • the seal comprises a first face bearing against the insulating body of one of the connector assemblies and a second opposite face provided with a peripheral bead bearing against the end edge of the housing. shielding the other connector assembly.
  • the second face of the seal may further be provided with protruding sealing lips each fitting into a housing into which a passage of the insulating body opens, in which is maintained a contact for mechanical fixing and electrical connection.
  • each connector assembly further includes a sealing insulator molded onto a free end face of the insulative body of said connector assembly and including sealed passages for the conductors.
  • the housings can then extend to the respective sealing insulators, so as to surround at least a portion of said insulators.
  • the facing surfaces of the housings and bodies have irregularities capable of ensuring a maintenance of the bodies in the respective housings.
  • the connector comprises an accessory in the form of a shielding shell provided with latching means intended to cooperate with complementary latching means formed in projections of said housings and comprising generally cylindrical projecting chimneys, each intended for to surround a bundle of conductors.
  • the shell consists of two complementary half-shells provided with complementary latching means.
  • the housings are respectively provided with first and second mutual fixing means comprising coding means allowing cooperation of the fixing means in a single defined position of the housings.
  • the polarizing means comprise a male polarizer comprising a socket provided with a protruding tooth and a female polarizer provided with a receiving housing of the projecting tooth aligned with the tooth in said defined position of the housings.
  • Figure 1 there is shown a side view of a connector according to the invention, designated by the general reference numeral 10, in a supposed vertical position.
  • the connector 10 has two connector assemblies, namely a connector assembly front or upper 12 and a rear or bottom connector assembly 14.
  • Each connector assembly 12 and 14 is intended to ensure the mechanical attachment and the electrical connection of a bundle of conductors and to establish an electrical connection of conductors to be connected connected to the connector assembly 12, on the one hand, and to the connector assembly 14, on the other hand, while ensuring electromagnetic shielding of the connection.
  • first and second connector assemblies 12 and 14 are fixed to one another by means of first and second mutual fixing means 16 and 18.
  • the fixing means are each equipped with polarizing means for permitting the attachment of the connector assemblies 12 and 14 only in a single predefined position of the connector assemblies.
  • each locking means 16 and 18 comprises a first bushing 20 held in a bore 22 provided in an extension of the first connector assembly 12 and a second bushing 26 axially aligned with respect to the first bushing 20 and held in a bore 28 provided in an extension 30 of the second connector assembly 14.
  • the first bushing 20 is a female polarizer, while the second bushing 26 is a male polarizer.
  • the second bushing 26 has an axial tooth 32 and the first bushing 20 has a cutout 34 which is aligned with the tooth 32 when the first and second connector assemblies 12 and 14 are mutually in a position in which they must be. attached to each other to ensure the electrical connection of the conductors to which they are attached.
  • each connector assembly 12 and 14 includes an insulating body 38 and 40 made by molding a plastic material.
  • the insulating bodies 38 and 40 are each generally parallelepipedal and are provided with passages, such as 42 and 44, in which are placed contacts, such as 39 and 41, complementary male and female, paired and intended to receive contact tips (not shown) provided at the ends to connect conductors.
  • one of the insulating bodies namely the insulating body designated by the reference 38, is provided with male contacts 39 constituting pins projecting in the direction of the insulating housing 40 to be inserted into the female contacts 41. correspondents.
  • the insulating bodies 38 and 40 are each arranged in a housing or a base, respectively 46 and 48, made of metallic material or advantageously of metallized composite material and intended to receive, by complementary shape one of the insulating bodies.
  • the insulating bodies 38 and 40 are provided externally with gaudrons or embossings which constitute irregularities of shape allowing an effective maintenance of the bodies in the housings 46 and 48.
  • One of the housings namely the housing designated by the numeral 46, is for example a fixed base. It has a hollow cylinder shape and has an axial cylindrical extension 50 forming a skirt extending beyond the end face of the insulating body 38 which it surrounds. However, it comprises, internally, a narrowing of localized section 52 which constitutes a seat on which is supported an annular shoulder formed on the end face of the insulating body 38.
  • the shield housing 48 of the other connector assembly 14 also has a hollow cylinder shape and has an end skirt 54 surrounding the end region of the insulator body 40 facing the first
  • the shielding casing 48 has, in this area, a sectional narrowing so that the skirt 54 has an outer diameter slightly smaller than the inside diameter of the skirt 50 of the first casing 46, so as to allow the insertion of the second skirt 54 in the first skirt 50.
  • the inner peripheral surface of the skirt 50 of the first housing is provided with bosses, such as 56, on which the outer peripheral surface of the skirt 54 of the second housing is supported.
  • the seal 58 is generally rectangular and has two mutually opposite large faces 60 and 62.
  • the first major face 60 bears against the free end face of the insulating body 38 of the first connector assembly 12 and against the shoulder 52 of the housing 46, while the other large face 62 is provided with a peripheral bead 63 resting against the free end edge of the shielding housing 54 of the second connector assembly 14 and a set of nozzles 64 which come inserted, in the assembled state, in housings 66 provided at the end of the body 40, in the extension of the passages 44 into which the female contacts 41 are inserted.
  • the ends, respectively front and rear, of the shielding housings 46 and 48 extend beyond the ends, respectively front and rear, of the insulating bodies 38 and 40.
  • connection of the male and female contacts 42 and 44, the skirts 50 and 54 overlap and are in close contact through the use of the bosses 56. This provides effective shielding over the entire connection area of the male and female contacts. female.
  • the seal is completed, at the front and rear ends, by sealing insulators 68 and 70 formed by overmoulding and which have passages, such as 72, aligned with the respective male and female contacts for the passage of conductors.
  • the shielding is carried out by means of a shell 74 constituted by the association of two complementary half-shells 76 and 78 which are snapped onto the housing,
  • a shell 74 constituted by the association of two complementary half-shells 76 and 78 which are snapped onto the housing,
  • Each half-shell comprises a body made of metallic or composite material and has a half-cylindrical extension, such as 80, to constitute, in the assembled state, a set of chimneys respectively surrounding the end zones. drivers to connect.
  • Each half-shell 76 and 78 comprises two opposite ratchet teeth, such as 82, each of which snap into housings 84 provided for this purpose in the corresponding shield housing.
  • each half-shell is provided with a snap hook, such as 86, snap into a housing 88 provided for this purpose in the other half-shell.
  • the shielding housings To achieve the connector just described, it is first necessary to form, by molding or machining, the shielding housings.
  • the insulating bodies 38 and 40 are made separately, by molding, with their external embossing, providing passages for the male and female contacts.
  • the insulators are then inserted into the housings.
  • the seal 58 is then formed by over-molding on one of the insulating bodies while leaving the passages for the conductors.
  • the contacts are then inserted in passages provided for this purpose in the insulating bodies.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Multi-Conductor Connections (AREA)

Abstract

The connector has front and rear connector assemblies (12, 14) each with isolating bodies (38, 40) disposed in cases (46, 48) respectively and made of composite metallic material. The case (46) of the assembly (12) constitutes a fixed base and has a hollow cylindrical shape with an axial cylindrical extension (50) that forms a skirt enclosing an end face of the body (38). The case (48) of the assembly (14) has a hollow cylindrical shape and an end skirt (54) enclosing an end zone of the isolating body (40) of the assembly (14). The bodies contact with each other by a sealing joint (42).

Description

La présente invention se rapporte à un connecteur blindé pour conducteurs électriques.The present invention relates to a shielded connector for electrical conductors.

De tels connecteurs sont classiquement utilisés pour assurer le raccordement électrique de conducteurs à connecter.Such connectors are conventionally used to ensure the electrical connection of conductors to be connected.

Les connecteurs de ce type comprennent généralement deux ensembles de connecteur appariés, qui viennent se fixer l'un sur l'autre, les ensembles de connecteur comprenant chacun un corps isolant en matière moulée incorporant des contacts, respectivement mâle et femelle, de fixation mécanique et de raccordement électrique d'embouts de contact prévus aux extrémités à connecter des conducteurs, et un boîtier de blindage entourant le corps isolant.Connectors of this type generally comprise two paired connector assemblies, which are fixed on one another, the connector assemblies each comprising an insulating body of molded material incorporating contacts, respectively male and female, mechanical fastening and electrical connection of contact tips provided at the ends to connect conductors, and a shield housing surrounding the insulating body.

De tels connecteurs sont généralement utilisés dans les engins de transport, en particulier dans des avions, pour assurer l'alimentation d'éléments électriques ou électroniques embarqués, ou pour échanger les données entre ces éléments.Such connectors are generally used in transport vehicles, particularly in aircraft, to provide power to embedded electrical or electronic elements, or to exchange data between these elements.

Pour de telles applications, l'usage des matériaux composites tend à se généraliser. Tel est en particulier le cas des connecteurs qui sont souvent réalisés en matériau plastique, ce qui permet de leur conférer de grandes résistances mécaniques pour un poids relativement faible. Toutefois, contrairement aux connecteurs réalisés à partir de matériaux métalliques, les connecteurs en matériau composite engendrent une discontinuité électrique et donc une interruption du blindage des boîtiers au niveau de leur zone de raccordement.For such applications, the use of composite materials tends to become widespread. This is particularly the case of connectors that are often made of plastic material, which allows them to give them great mechanical strength for a relatively low weight. However, unlike connectors made from metallic materials, the composite material connectors generate an electrical discontinuity and thus an interruption of the shielding of the housings at their connection area.

C'est la raison pour laquelle, dans ce type de connecteur blindé, les boîtiers métalliques des ensembles de connecteur ont des portions d'extrémité en regard en forme de jupe venant se superposer pour réaliser un blindage continu entre les premier et deuxième ensembles de connecteur. La liaison est assurée par des contacts élastiques de continuité. En outre, les boîtiers sont conformés de manière à entourer les corps isolants au niveau de leur surface périphérique radiale, mais également axialement, au niveau de leur surface d'extrémité.For this reason, in this type of shielded connector, the metal housings of the connector assemblies have skirt-like end portions superimposed for continuous shielding between the first and second connector assemblies. . Liaison is provided by contacts elastics of continuity. In addition, the housings are shaped so as to surround the insulating bodies at their radial peripheral surface, but also axially, at their end surface.

Les boîtiers composites intègrent le corps isolant monobloc. Il devient alors relativement délicat de métalliser le matériau constitutif des boîtiers intégrant le corps isolant monobloc sans court-circuiter les contacts, de sorte que ces boîtiers doivent être réalisés de manière séparée. Les boîtiers de blindage sont par ailleurs spécifiques à un unique type de connecteur soit cylindrique soit rectangulaire.The composite housings incorporate the monoblock insulating body. It then becomes relatively difficult to metallize the constituent material of the housings integrating the single-piece insulating body without short-circuiting the contacts, so that these housings must be made separately. The shielding boxes are also specific to a single type of connector is cylindrical or rectangular.

L'invention a donc pour but de réaliser un blindage d'un connecteur pour conducteurs électriques capable de s'adapter à un grand nombre de connecteurs de types différents réalisés en matériaux composites.The invention therefore aims to provide a shielding of a connector for electrical conductors capable of adapting to a large number of connectors of different types made of composite materials.

L'invention a donc pour objet un connecteur blindé du type précité, dans lequel chaque boîtier de blindage a une forme générale de cylindre ou parallélépipède creux délimitant intérieurement un passage continu, de sorte que les corps isolants soient en contact l'un de l'autre par l'intermédiaire d'un joint d'étanchéité.The invention therefore relates to a shielded connector of the aforementioned type, in which each shielding casing has a general shape of a hollow cylinder or parallelepiped defining internally a continuous passage, so that the insulating bodies are in contact with one of the other via a seal.

Ainsi, grâce à la réalisation des boîtiers sous la forme d'une enveloppe entourant les corps, en l'absence de toute partie venant s'interposer entre les faces en regard des corps isolants, les boîtiers de blindage peuvent venir s'adapter sur un grand nombre de connecteurs existants, dans la mesure où aucun élément ne vient perturber la géométrie de l'assemblage interne du connecteur.Thus, thanks to the embodiment of the housings in the form of a casing surrounding the bodies, in the absence of any part coming between the facing faces of the insulating bodies, the shielding housings can come to fit on a a large number of existing connectors, since no element disturbs the geometry of the internal assembly of the connector.

Selon une autre caractéristique de l'invention, la portion d'extrémité formant jupe de l'un au moins des boîtiers comporte au moins un bossage venant en contact avec la portion d'extrémité correspondante de l'autre boîtier et permettant d'assurer la continuité.According to another characteristic of the invention, the skirt end portion of at least one of the housings comprises at least one boss coming into contact with the corresponding end portion of the other housing and making it possible to ensure the continuity.

Dans ce mode de réalisation, le joint d'étanchéité comprend une première face en appui contre le corps isolant de l'un des ensembles de connecteur et une deuxième face opposée munie d'un bourrelet périphérique en appui contre la tranche d'extrémité du boîtier de blindage de l'autre ensemble de connecteur.In this embodiment, the seal comprises a first face bearing against the insulating body of one of the connector assemblies and a second opposite face provided with a peripheral bead bearing against the end edge of the housing. shielding the other connector assembly.

Dans ce cas, la deuxième face du joint peut en outre être pourvue de becs d'étanchéité en saillie venant s'insérer chacun dans un logement dans lequel débouche un passage du corps isolant dans lequel est maintenu un contact de fixation mécanique et de raccordement électrique.In this case, the second face of the seal may further be provided with protruding sealing lips each fitting into a housing into which a passage of the insulating body opens, in which is maintained a contact for mechanical fixing and electrical connection. .

Selon encore une autre caractéristique de l'invention, chaque ensemble de connecteur comporte en outre un isolant d'étanchéité surmoulé sur une face d'extrémité libre du corps isolant dudit ensemble de connecteur et comprenant des passages étanches pour les conducteurs.According to yet another feature of the invention, each connector assembly further includes a sealing insulator molded onto a free end face of the insulative body of said connector assembly and including sealed passages for the conductors.

Les boîtiers peuvent alors s'étendre jusqu'aux isolants d'étanchéité respectifs, de manière à entourer au moins une partie desdits isolants.The housings can then extend to the respective sealing insulators, so as to surround at least a portion of said insulators.

Selon encore une autre caractéristique de l'invention, les surfaces en regard des boîtiers et des corps comportent des irrégularités aptes à assurer un maintien des corps dans les boîtiers respectifs.According to yet another characteristic of the invention, the facing surfaces of the housings and bodies have irregularities capable of ensuring a maintenance of the bodies in the respective housings.

En outre, le connecteur comporte un accessoire sous la forme d'une coquille de blindage munie de moyens d'encliquetage destinés à coopérer avec des moyens d'encliquetage complémentaires ménagés dans des saillies desdits boîtiers et comprenant des cheminées en saillie généralement cylindriques, destinées chacune à entourer un faisceau de conducteurs.In addition, the connector comprises an accessory in the form of a shielding shell provided with latching means intended to cooperate with complementary latching means formed in projections of said housings and comprising generally cylindrical projecting chimneys, each intended for to surround a bundle of conductors.

Dans un mode de réalisation, la coquille est constituée de deux demi-coquilles complémentaires munies de moyens d'encliquetage complémentaires.In one embodiment, the shell consists of two complementary half-shells provided with complementary latching means.

Avantageusement, les boîtiers sont munis respectivement de premier et deuxième moyens de fixation mutuelle comprenant des moyens de détrompage autorisant une coopération des moyens de fixation dans une seule position définie des boîtiers.Advantageously, the housings are respectively provided with first and second mutual fixing means comprising coding means allowing cooperation of the fixing means in a single defined position of the housings.

Par exemple, les moyens de détrompage comportent un détrompeur mâle comprenant une douille pourvue d'une dent en saillie et un détrompeur femelle pourvu d'un logement de réception de la dent en saillie aligné avec la dent dans ladite position définie des boîtiers.For example, the polarizing means comprise a male polarizer comprising a socket provided with a protruding tooth and a female polarizer provided with a receiving housing of the projecting tooth aligned with the tooth in said defined position of the housings.

D'autres buts, caractéristiques et avantages de l'invention apparaîtront à la lecture de la description suivante, donnés uniquement à titre d'exemples non limitatifs, et faite en référence aux dessins annexés, sur lesquels :

  • la figure 1 est une vue de profil, avec arraché partiel, d'un connecteur selon l'invention ;
  • la figure 2 est une vue en coupe, à plus grande échelle, selon la ligne II-II du connecteur de la figure 1 ;
  • la figure 3 est une vue en perspective d'un ensemble de connecteur du connecteur de la figure 1 en cours d' assemblage ; et
  • la figure 4 illustre une autre vue en perspective de l'ensemble de connecteur de la figure 3, à un autre stade de son assemblage.
Other objects, features and advantages of the invention will become apparent on reading the following description, given solely by way of nonlimiting examples, and with reference to the appended drawings, in which:
  • Figure 1 is a side view, partially broken away, of a connector according to the invention;
  • Figure 2 is a sectional view, on a larger scale, along the line II-II of the connector of Figure 1;
  • Figure 3 is a perspective view of a connector assembly of the connector of Figure 1 during assembly; and
  • Figure 4 illustrates another perspective view of the connector assembly of Figure 3 at another stage of its assembly.

Sur la figure 1, on a représenté une vue de côté d'un connecteur selon l'invention, désigné par la référence numérique générale 10, dans une position supposée verticale.In Figure 1, there is shown a side view of a connector according to the invention, designated by the general reference numeral 10, in a supposed vertical position.

Comme on le voit sur cette figure, le connecteur 10 comporte deux ensembles de connecteur, à savoir un ensemble de connecteur avant ou supérieur 12 et un ensemble de connecteur arrière ou inférieur 14.As seen in this figure, the connector 10 has two connector assemblies, namely a connector assembly front or upper 12 and a rear or bottom connector assembly 14.

Chaque ensemble de connecteur 12 et 14 est destiné à assurer la fixation mécanique et le raccordement électrique d'un faisceau de conducteurs et à établir un raccordement électrique de conducteurs à connecter raccordés à l'ensemble de connecteur 12, d'une part, et à l'ensemble de connecteur 14, d'autre part, tout en assurant un blindage électromagnétique du raccordement.Each connector assembly 12 and 14 is intended to ensure the mechanical attachment and the electrical connection of a bundle of conductors and to establish an electrical connection of conductors to be connected connected to the connector assembly 12, on the one hand, and to the connector assembly 14, on the other hand, while ensuring electromagnetic shielding of the connection.

Les premier et deuxième ensembles de connecteur 12 et 14 sont fixés l'un sur l'autre au moyen de premier et deuxième moyens de fixation mutuelle 16 et 18. Afin d'éviter tout risque de branchement erroné, les moyens de fixation sont chacun équipés de moyens de détrompage permettant de n'autoriser la fixation des ensembles de connecteur 12 et 14 que dans une seule position prédéfinie des ensembles de connecteur.The first and second connector assemblies 12 and 14 are fixed to one another by means of first and second mutual fixing means 16 and 18. In order to avoid any risk of erroneous connection, the fixing means are each equipped with polarizing means for permitting the attachment of the connector assemblies 12 and 14 only in a single predefined position of the connector assemblies.

A cet effet, chaque moyen de verrouillage 16 et 18 comporte une première douille 20 maintenue dans un alésage 22 prévu dans un prolongement du premier ensemble de connecteur 12 et une deuxième douille 26 axialement alignée par rapport à la première douille 20 et maintenue dans un alésage 28 prévu dans un prolongement 30 du deuxième ensemble de connecteur 14.For this purpose, each locking means 16 and 18 comprises a first bushing 20 held in a bore 22 provided in an extension of the first connector assembly 12 and a second bushing 26 axially aligned with respect to the first bushing 20 and held in a bore 28 provided in an extension 30 of the second connector assembly 14.

La première douille 20 constitue un détrompeur femelle, alors que la deuxième douille 26 constitue un détrompeur mâle.The first bushing 20 is a female polarizer, while the second bushing 26 is a male polarizer.

En effet, la deuxième douille 26 comporte une dent axiale 32 et la première douille 20 comporte une découpe 34 qui est alignée avec la dent 32 lorsque les premier et deuxième ensembles de connecteur 12 et 14 se situent mutuellement dans une position dans laquelle ils doivent être fixés l'un sur l'autre pour assurer le raccordement électrique des conducteurs sur lesquels ils sont fixés.Indeed, the second bushing 26 has an axial tooth 32 and the first bushing 20 has a cutout 34 which is aligned with the tooth 32 when the first and second connector assemblies 12 and 14 are mutually in a position in which they must be. attached to each other to ensure the electrical connection of the conductors to which they are attached.

Dans cette position, une vis 36 vient se visser dans un filetage interne 37 ménagé dans la douille 26.In this position, a screw 36 is screwed into an internal thread 37 formed in the sleeve 26.

En se référant maintenant à la figure 2, chaque ensemble de connecteur 12 et 14 comporte un corps isolant 38 et 40 réalisé par moulage d'une matière plastique. Les corps isolants 38 et 40 sont chacun globalement parallélépipédique et sont pourvus de passages, tels que 42 et 44, dans lesquels sont placés des contacts, tels que 39 et 41, mâle et femelle complémentaires, appariés et destinés à recevoir des embouts de contact (non représentés) prévus aux extrémités à raccorder des conducteurs.Referring now to Figure 2, each connector assembly 12 and 14 includes an insulating body 38 and 40 made by molding a plastic material. The insulating bodies 38 and 40 are each generally parallelepipedal and are provided with passages, such as 42 and 44, in which are placed contacts, such as 39 and 41, complementary male and female, paired and intended to receive contact tips ( not shown) provided at the ends to connect conductors.

Ainsi, l'un des corps isolants, à savoir le corps isolant désigné par la référence 38, est muni de contacts mâle 39 constituant des broches s'étendant en saillie en direction du boîtier isolant 40 pour venir s'insérer dans les contacts femelle 41 correspondants.Thus, one of the insulating bodies, namely the insulating body designated by the reference 38, is provided with male contacts 39 constituting pins projecting in the direction of the insulating housing 40 to be inserted into the female contacts 41. correspondents.

Les corps isolants 38 et 40 sont chacun disposés dans un boîtier ou une embase, respectivement 46 et 48, réalisé en matériau métallique ou avantageusement en matériau composite métallisé et destiné à recevoir, par complémentarité de forme l'un des corps isolants. A cet effet, les corps isolants 38 et 40 sont pourvus extérieurement de gaudrons ou gaufrages qui constituent des irrégularités de forme permettant un maintien efficace des corps dans les boîtiers 46 et 48.The insulating bodies 38 and 40 are each arranged in a housing or a base, respectively 46 and 48, made of metallic material or advantageously of metallized composite material and intended to receive, by complementary shape one of the insulating bodies. For this purpose, the insulating bodies 38 and 40 are provided externally with gaudrons or embossings which constitute irregularities of shape allowing an effective maintenance of the bodies in the housings 46 and 48.

L'un des boîtiers, à savoir le boîtier désigné par la référence numérique 46, constitue par exemple une embase fixe. Il a une forme de cylindre creux et comporte un prolongement cylindrique axial 50 formant une jupe s'étendant au-delà de la face d'extrémité du corps isolant 38 qu'il entoure. Il comporte cependant, intérieurement, un rétrécissement de section 52 localisé qui constitue un siège sur lequel vient prendre appui un épaulement annulaire ménagé sur la face d'extrémité du corps isolant 38.One of the housings, namely the housing designated by the numeral 46, is for example a fixed base. It has a hollow cylinder shape and has an axial cylindrical extension 50 forming a skirt extending beyond the end face of the insulating body 38 which it surrounds. However, it comprises, internally, a narrowing of localized section 52 which constitutes a seat on which is supported an annular shoulder formed on the end face of the insulating body 38.

En ce qui concerne le boîtier de blindage 48 de l'autre ensemble de connecteur 14, celui-ci a également une forme de cylindre creux et comporte une jupe d'extrémité 54 entourant la zone d'extrémité du corps isolant 40 tournée vers le premier ensemble de connecteur 12. Cependant, le boîtier de blindage 48 présente, dans cette zone, un rétrécissement de section de sorte que la jupe 54 présente un diamètre externe légèrement inférieur au diamètre intérieur de la jupe 50 du premier boîtier 46, de manière à permettre l'insertion de la deuxième jupe 54 dans la première jupe 50.With respect to the shield housing 48 of the other connector assembly 14, it also has a hollow cylinder shape and has an end skirt 54 surrounding the end region of the insulator body 40 facing the first However, the shielding casing 48 has, in this area, a sectional narrowing so that the skirt 54 has an outer diameter slightly smaller than the inside diameter of the skirt 50 of the first casing 46, so as to allow the insertion of the second skirt 54 in the first skirt 50.

Afin de parfaire l'assemblage, la surface périphérique interne de la jupe 50 du premier boîtier est pourvue de bossages, tels que 56, sur lesquels vient prendre appuie la surface périphérique externe de la jupe 54 du deuxième boîtier.In order to complete the assembly, the inner peripheral surface of the skirt 50 of the first housing is provided with bosses, such as 56, on which the outer peripheral surface of the skirt 54 of the second housing is supported.

Comme on le voit sur la figure 2, après emboîtement des boîtiers, en raison de la forme de cylindre creux des boîtiers, les faces d'extrémités en regard des corps isolants 38 et 40 peuvent être mises en contact par l'intermédiaire d'un joint d'étanchéité 58.As can be seen in FIG. 2, after interlocking of the housings, because of the hollow cylinder shape of the housings, the end faces facing the insulating bodies 38 and 40 can be brought into contact via a seal 58.

Le joint 58 est globalement rectangulaire et comporte deux grandes faces mutuellement opposées 60 et 62. La première grande face 60 est en appui contre la face d'extrémité libre du corps isolant 38 du premier ensemble de connecteur 12 et contre l'épaulement 52 du boîtier de blindage 46, tandis que l'autre grande face 62 est pourvue d'un bourrelet périphérique 63 en appui contre la tranche d'extrémité libre du boîtier de blindage 54 du deuxième ensemble de connecteur 14 et d'un ensemble de becs 64 qui viennent s'insérer, à l'état assemblé, dans des logements 66 prévus à l'extrémité du corps 40, dans le prolongement des passages 44 dans lesquels sont insérés les contacts femelles 41.The seal 58 is generally rectangular and has two mutually opposite large faces 60 and 62. The first major face 60 bears against the free end face of the insulating body 38 of the first connector assembly 12 and against the shoulder 52 of the housing 46, while the other large face 62 is provided with a peripheral bead 63 resting against the free end edge of the shielding housing 54 of the second connector assembly 14 and a set of nozzles 64 which come inserted, in the assembled state, in housings 66 provided at the end of the body 40, in the extension of the passages 44 into which the female contacts 41 are inserted.

Comme on le voit sur la figure 2, les extrémités, respectivement avant et arrière, des boîtiers de blindage 46 et 48, s'étendent au-delà des extrémités, respectivement avant et arrière, des corps isolants 38 et 40. Dans la zone de raccordement des contacts mâle et femelle 42 et 44, les jupes 50 et 54 se recouvrent et sont en contact serré grâce à l'utilisation des bossages 56. On obtient donc un blindage efficace sur l'ensemble de la zone de raccordement des contacts mâle et femelle.As seen in FIG. 2, the ends, respectively front and rear, of the shielding housings 46 and 48 extend beyond the ends, respectively front and rear, of the insulating bodies 38 and 40. connection of the male and female contacts 42 and 44, the skirts 50 and 54 overlap and are in close contact through the use of the bosses 56. This provides effective shielding over the entire connection area of the male and female contacts. female.

L'étanchéité est complétée, au niveau des extrémités avant et arrière, par des isolants d'étanchéité 68 et 70 formés par surmoulage et qui comportent des passages, tels que 72, alignés sur les contacts mâle et femelle respectifs pour le passage des conducteurs.The seal is completed, at the front and rear ends, by sealing insulators 68 and 70 formed by overmoulding and which have passages, such as 72, aligned with the respective male and female contacts for the passage of conductors.

Comme on le voit sur les figures 3 et 4, dans cette zone, le blindage est réalisé au moyen d'une coquille 74 constituée par l'association de deux demi-coquilles 76 et 78 complémentaires venant se fixer par encliquetage sur le boîtier, par exemple le boîtier 48. Chaque demi-coquille comporte un corps en matériau métallique ou composite et comporte un prolongement demi-cylindrique, tel que 80, pour constituer, à l'état assemblé, un ensemble de cheminées venant respectivement entourer les zones d'extrémités des conducteurs à connecter.As seen in FIGS. 3 and 4, in this zone, the shielding is carried out by means of a shell 74 constituted by the association of two complementary half-shells 76 and 78 which are snapped onto the housing, For example, the housing 48. Each half-shell comprises a body made of metallic or composite material and has a half-cylindrical extension, such as 80, to constitute, in the assembled state, a set of chimneys respectively surrounding the end zones. drivers to connect.

Chaque demi-coquille 76 et 78 comporte deux dents d'encliquetage opposées, telles que 82, venant chacune s'encliqueter dans des logements 84 prévus à cet effet dans le boîtier de blindage correspondant.Each half-shell 76 and 78 comprises two opposite ratchet teeth, such as 82, each of which snap into housings 84 provided for this purpose in the corresponding shield housing.

De même, chaque demi-coquille est pourvue d'un crochet d'encliquetage, tel que 86, venant s'encliqueter dans un logement 88 prévu à cet effet dans l'autre demi-coquille.Similarly, each half-shell is provided with a snap hook, such as 86, snap into a housing 88 provided for this purpose in the other half-shell.

Pour réaliser le connecteur qui vient d'être décrit, il convient tout d'abord de former, par moulage ou usinage, les boîtiers de blindage. On réalise séparément, par moulage, les corps isolants 38 et 40, avec leur gaufrage externe, en prévoyant des passages pour les contacts mâle et femelle. On insère alors les corps isolants dans les boîtiers. On forme ensuite, par surmoulage, le joint d'étanchéité 58 sur l'un des corps isolants tout en ménageant les passages pour les conducteurs. On insère alors les contacts dans des passages prévus à cet effet dans les corps isolants.To achieve the connector just described, it is first necessary to form, by molding or machining, the shielding housings. The insulating bodies 38 and 40 are made separately, by molding, with their external embossing, providing passages for the male and female contacts. The insulators are then inserted into the housings. The seal 58 is then formed by over-molding on one of the insulating bodies while leaving the passages for the conductors. The contacts are then inserted in passages provided for this purpose in the insulating bodies.

Après raccordement des conducteurs, il convient simplement, comme représenté sur la figure 4, d'encliqueter l'une des demi-coquilles sur un ensemble de connecteur correspondant. On vient alors encliqueter l'autre demi-coquille pour former des cheminées entourant les zones d'extrémités des conducteurs.After connecting the conductors, it is simply necessary, as shown in Figure 4, to snap one of the half-shells on a corresponding connector assembly. The other half-shell is then snapped to form chimneys surrounding the end zones of the conductors.

Claims (11)

Connecteur blindé pour conducteurs électriques comprenant un premier ensemble de connecteur (12) et un deuxième ensemble de connecteur (14) appariés, les ensemble de connecteur comprenant un corps isolant (38, 40) en matière moulée incorporant des contacts (39, 41), respectivement mâle et femelle, de fixation mécanique et de raccordement électrique d'embouts de contact prévus aux extrémités à connecter des conducteurs et un boîtier de blindage entourant le corps isolant, les boîtiers de blindage des ensembles de connecteur ayant respectivement des portions d'extrémité (50, 54) en regard en forme de jupe venant se superposer pour réaliser un blindage continu entre les premier et deuxième ensembles de connecteur, caractérisé en ce que chaque boîtier de blindage (46, 48) a une forme générale de cylindre creux délimitant intérieurement un passage continu de sorte que les corps isolants soient en contact l'un de l'autre par l'intermédiaire d'un joint d'étanchéité (58).A shielded electrical conductor connector comprising a first pair of connector (12) and a second pair of connector (14) paired, the connector assembly comprising an insulating body (38, 40) of molded material incorporating contacts (39, 41), respectively male and female, mechanical fastening and electrical connection of contact tips provided at the ends to be connected conductors and a shielding housing surrounding the insulating body, the shielding housings of the connector assemblies respectively having end portions ( 50, 54) facing each other in a skirting-like shape for superimposing continuous shielding between the first and second connector assemblies, characterized in that each shielding casing (46, 48) has the general shape of a hollow cylinder internally defining a continuous passage so that the insulating bodies are in contact with one another via a seal (58). Connecteur selon la revendication 1, caractérisé en ce que la jupe d'extrémité de l'un au moins des boîtiers de blindage comporte au moins un bossage (56) venant en contact avec la jupe d'extrémité correspondante de l'autre boîtier.Connector according to claim 1, characterized in that the end skirt of at least one of the shielding housings comprises at least one boss (56) coming into contact with the corresponding end skirt of the other housing. Connecteur selon l'une des revendications 1 et 2, caractérisé en ce que le joint d'étanchéité comprend une première face (60) en appui contre le corps isolant de l'un des ensembles de connecteur et une deuxième face opposée (62) munie d'un bourrelet périphérique (63) en appui contre la tranche d'extrémité du boîtier de blindage de l'autre ensemble de connecteur.Connector according to one of claims 1 and 2, characterized in that the seal comprises a first face (60) bearing against the insulating body of one of the connector assemblies and a second opposite face (62) provided a peripheral bead (63) bearing against the end edge of the shield housing of the other connector assembly. Connecteur selon la revendication 3, caractérisé en ce que la deuxième face du joint est en outre pourvue de becs d'étanchéité (64) en saillie venant s'insérer chacun dans un logement (66) dans lequel débouche un passage du corps isolant dans lequel est maintenu un contact de fixation mécanique et de raccordement électrique.Connector according to claim 3, characterized in that the second face of the seal is further provided with protruding sealing lips (64) each fitting into a housing (66) in which opens a passage of the insulating body in which is maintained a mechanical fastening contact and electrical connection. Connecteur selon l'une quelconque des revendications 1 à 4, caractérisé en ce que chaque ensemble de connecteur comporte en outre un isolant d'étanchéité (68, 70) surmoulé sur une face d'extrémité libre du corps isolant dudit ensemble de connecteur et comprenant des passages pour les conducteurs.A connector as claimed in any one of claims 1 to 4, characterized in that each connector assembly further includes a sealing insulator (68,70) molded onto a free end face of the insulator body of said connector assembly and including passages for drivers. Connecteur selon la revendication 5, caractérisé en ce que les boîtiers (46, 48) s'étendent jusqu'aux isolants d'étanchéité respectifs de manière à entourer au moins une partie desdits isolants.Connector according to claim 5, characterized in that the housings (46, 48) extend to the respective sealing insulators so as to surround at least a portion of said insulators. Connecteur selon l'une quelconque des revendications 1 à 6, caractérisé en ce que les surfaces en regard des boîtiers et des corps comportent des irrégularités aptes à assurer un maintien des corps dans les boîtiers respectifs.Connector according to any one of claims 1 to 6, characterized in that the facing surfaces of the housings and bodies have irregularities capable of ensuring a maintenance of the bodies in the respective housings. Connecteur selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'il comporte en outre une coquille de blindage (74) munie de moyens d'encliquetage (82) destinés à coopérer avec des moyens d'encliquetage complémentaires (84) ménagés dans l'un desdits boîtier et comprenant des cheminées en saillie généralement cylindriques destinées chacune à entourer un faisceau de conducteurs.Connector according to any one of claims 1 to 7, characterized in that it further comprises a shielding shell (74) provided with latching means (82) intended to cooperate with complementary latching means (84). arranged in one of said housing and comprising generally cylindrical protruding chimneys each intended to surround a bundle of conductors. Connecteur selon la revendication 8, caractérisé en ce que la coquille est constituée de deux demi-coquilles (76, 78) complémentaires munies de moyens d'encliquetage complémentaires.Connector according to claim 8, characterized in that the shell consists of two complementary half-shells (76, 78) provided with complementary latching means. Connecteur selon l'une quelconque des revendications 1 à 9, caractérisé en ce que les boîtiers sont munis respectivement de premier et deuxième moyens de fixation mutuelle comprenant des moyens de détrompage (32, 34) autorisant une coopération des moyens de fixation dans une seule position définie des boîtiers.Connector according to any one of claims 1 to 9, characterized in that the housings are respectively provided with first and second mutual fixing means comprising polarizing means (32, 34) allowing a cooperation of the fastening means in a single position defined enclosures. Connecteur selon la revendication 10, caractérisé en ce que les moyens de détrompage comporte un détrompeur mâle (32) comprenant une douille pourvue d'une dent en saillie et un détrompeur femelle (34) pourvu d'un logement de réception de la dent en saillie aligné avec la dent dans ladite position définie des boîtiers.Connector according to claim 10, characterized in that the polarizing means comprises a male polarizer (32) comprising a socket provided with a protruding tooth and a female polarizer (34) provided with a receiving housing of the projecting tooth aligned with the tooth in said defined position of the housings.
EP06290832.2A 2005-05-27 2006-05-23 Shielded connector for electrical conductors Active EP1727245B1 (en)

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FR0505383A FR2886475B1 (en) 2005-05-27 2005-05-27 SHIELDED CONNECTOR FOR ELECTRICAL CONDUCTORS.

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US20070032131A1 (en) 2007-02-08
EP1727245A3 (en) 2008-06-04
FR2886475A1 (en) 2006-12-01
FR2886475B1 (en) 2011-10-28
US7695321B2 (en) 2010-04-13
EP1727245B1 (en) 2016-04-13

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