EP1901403A2 - Coaxial connector with locking by snap-fitting - Google Patents

Coaxial connector with locking by snap-fitting Download PDF

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Publication number
EP1901403A2
EP1901403A2 EP07021999A EP07021999A EP1901403A2 EP 1901403 A2 EP1901403 A2 EP 1901403A2 EP 07021999 A EP07021999 A EP 07021999A EP 07021999 A EP07021999 A EP 07021999A EP 1901403 A2 EP1901403 A2 EP 1901403A2
Authority
EP
European Patent Office
Prior art keywords
connector
contact
connector according
connector element
wall
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Withdrawn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
EP07021999A
Other languages
German (de)
French (fr)
Other versions
EP1901403A3 (en
Inventor
Mario Schneider
Olivier Guidet
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.)
Huber and Suhner AG
Radiall SA
Original Assignee
Huber and Suhner AG
Radiall SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huber and Suhner AG, Radiall SA filed Critical Huber and Suhner AG
Publication of EP1901403A2 publication Critical patent/EP1901403A2/en
Publication of EP1901403A3 publication Critical patent/EP1901403A3/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Withdrawn legal-status Critical Current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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6277—Snap or like fastening comprising annular latching means, e.g. ring snapping in an annular groove
    • 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
    • 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
    • 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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member

Definitions

  • the present invention relates to a coaxial connector snap locking.
  • the patent application European EP 1 094 565 discloses a coaxial connector having a connector member and a complementary connector member.
  • the connector element comprises a sleeve provided with latching lugs whose free end has a shoulder adapted to bear on an inclined surface of the complementary connector element so as to exert on it an axial force.
  • This connector is satisfactory with regard to the leakage level microwave but appear in this connector relatively high parasitic frequencies generated by the phenomenon of intermodulation, which is not acceptable, particularly in the telecommunications field where it is done call for transmissions of microwave signals to an antenna or from an antenna.
  • a snap-lock coaxial connector comprising two complementary connector elements each comprising a tubular body forming a mass contact and into which a central contact, male and female respectively, retained in the body by the intermediate of an insulator, characterized in that a first of the connector elements comprises a retaining member adapted to exert a radial force on the second connector element, which is arranged so that this radial force generates an axial force on the second connector element tending to press it axially against a bearing surface of the first connector element, and in that one of the connector elements has an internal mass contact member inserted into the corresponding body and adapted to come into contact with an inner wall of the body of the other connector element, exerting pressure thereon relatively strong contact.
  • the contact made between the internal mass contact member and the aforementioned inner wall makes it possible to ensure the electrical continuity between the two bodies forming mass contact while allowing a relatively high contact pressure in the contact areas.
  • This internal mass contact member makes it possible to transport most of the currents which, at high frequencies, circulate in a skin thickness facing the central contact. The parasitic frequencies generated by the intermodulation phenomenon are thus significantly reduced.
  • the electrical contact between the two connector elements obtained by means of the abovementioned axial support makes it possible to transport the residual currents generated by the leaks through the internal mass contact member. Since these residual currents are relatively weak and the intermodulation phenomenon has essentially a non-linear character and only appears for strong currents, this contact produces only low parasitic frequencies due to the intermodulation phenomenon. This contact also makes it possible to significantly reduce the level of microwave leakage.
  • the connector according to the invention has quite satisfactory shielding characteristics and a low intermodulation rate.
  • the invention allows easy assembly of the connector elements, this assembly can be obtained essentially by snapping.
  • the second connector element comprises a front end bearing axially against the bearing surface of the first connector element.
  • the internal mass contact member is forcibly inserted into the first connector member.
  • the internal mass contact member advantageously comprises a plurality of resiliently deformable tabs adapted to bear on the aforementioned inner wall.
  • the second connector element comprises a generally frustoconical bearing surface on which the retaining member can be supported so that the radial force exerted by the latter generates an axial force on the second connector element.
  • This generally frustoconical surface can be made in an annular groove of the body of the second connector element.
  • the retaining member is constituted by a split ring, generally frustoconical, so as to present a radial elasticity.
  • the axial end of this rod having the smallest cross section may comprise a rim directed radially outwardly.
  • the retaining member comprises elastically deformable tabs defining at their free end an annular bead adapted to bear on said generally frustoconical surface.
  • the retaining member also forms an external mass contact.
  • the front end of the second connector element can come into direct contact with a wall made on the body of the first connector element.
  • the first connector element comprises an axially compressible seal, made in particular of elastomer loaded with a conductive metal, the end end of the second connector element coming to bear against this seal.
  • the latter can be housed in an annular groove of the internal mass contact member.
  • the connector comprises a contact washer interposed between the front end of the second connector element and a wall of the first connector element, this disc being able to be compressed axially.
  • This washer may have a corrugated profile or, alternatively, a generally frustoconical shape.
  • the washer may be made of an elastic metal material, for example.
  • FIG. 1 shows a connector 1 according to the invention, comprising a first connector element generally designated by the reference 2 and which, in the example described, is arranged in a plug and a second connector element generally designated by the reference 3 and which is arranged in socket.
  • the first connector element 2 illustrated in isolation in FIG. 2, comprises a tubular X-axis revolution-forming conductive body 5, forming a mass contact, a central contact 6 and an insulator 7 in which the central contact 6 is held. .
  • the insulator 7 is inserted into an internal mass-contacting member 8 having a central annular ring 9 to which are connected on one side a plurality of elastically deformable tabs 10 and, on the other side, an extension 12 to the other. rear having at its free end an annular bead 13, as can be seen in particular in Figure 4.
  • the free end of the tabs 10 generally defines an annular bead 17.
  • the member 8 is inserted in force into the cavity of the tubular body 5, the annular bead 13 bearing against the inner wall of the body 5.
  • the latter comprises an inner annular groove 18 in which is disposed a seal 29 and, at its front end, a flange 20 directed radially towards the axis X.
  • the first connector element 2 further comprises a retaining member 25, shown in isolation in FIG. 5, constituted in the example described by an X-axis rod, slit so as to have a radial elasticity.
  • This rod 25 has a generally frustoconical shape and has at its end of smaller cross section a flange 26 directed radially outwardly.
  • the rod 25 is housed in the body 5, with a certain clearance, between an inner shoulder 21 of the body 5 and the flange 20, allowing radial deformation of the rod 25, during assembly of the two connector elements.
  • the body 5 receives at its front end a plug 30 having a return 31 whose free end comes into contact with the rod 25.
  • the second connector element 3 comprises a conductive body 35, tubular X-axis revolution, and forming a mass contact, a central contact 36 and an insulator 38 interposed between the tubular body 35 and the central contact 36.
  • the body 35 has a pointed end end 39.
  • the body 35 has on its outer wall a frustoconical bearing surface 40 converging towards the rear, which surface 40 defines with another frustoconical surface 41, of opposite orientation, an annular groove 42.
  • the rod 25 is partially housed in the groove 42, the flange 26 then bearing against the frustoconical bearing surface 40 so that the radial force exerted by the rod 25 is reflected by an axial force along the X axis exerted on the connector element 3.
  • the front end 39 of the connector member 3 is pressed axially in contact with an inner wall 19 constituted by a shoulder of the body 5.
  • the tabs 10 of the internal mass contact member 8 exert, by means of the annular bead 17, a radial force on the inner wall of the body 35, thus producing a large contact pressure.
  • the member 8 makes it possible to transport most of the currents which, at high frequencies, circulate in a skin thickness facing the central contact 6.
  • the electrical contact between the front end 39 of the body 35 and the internal wall 19 of the body 5 makes it possible to transport the residual currents generated by the leaks through the slots 10a existing between the tabs 10.
  • these residual currents are weak and the intermodulation phenomenon has essentially a non-linear character and appears only for strong currents, this contact between the front end 39 and the inner wall 19 generates only low parasitic frequencies due to the phenomenon of intermodulation.
  • This contact makes it possible to reduce the level of microwave leakage all the better since its shielding effect is added, in a first approximation, to that obtained thanks to the contact line of the member 8 with the bodies 5 and 35.
  • the contact between the front end 39 of the body 35 and the body 5 is in a direct manner.
  • FIG. 6 shows a connector 1 'substantially similar to the connector 1, but whose first connector element 2' has an internal mass contact member 8 'provided with a housing 50.
  • the latter has an annular shape and allows to receive a seal 51.
  • the front end 39 of the body 35 bears on the seal 51, which is compressed axially by the axial force exerted by the rod 25 on the body 35.
  • the seal 51 is conductive, being made in the example described elastomer loaded with a conductive metal. Since this seal is not located on the main stream flow line, it may even contain magnetic conductive particles, without impairing intermodulation performance since the currents flowing through this seal remain relatively low.
  • the connector 1 comprises a contact washer 53 disposed in the first connector element 2, bearing against the inside wall 19 of the body 5.
  • This washer 53 has a generally circular shape, as can be seen in Figure 8 in particular, and is made of an elastic metal material.
  • the washer 53 When viewed in profile, as seen in Figure 9, the washer 53 is corrugated, alternately having recesses 54 and vertices 55 along the X axis, so that the washer 53 has a certain axial compressibility.
  • the front end 39 of the body 35 abuts against the vertices 55 and the recesses 54 are in contact with the inner wall 19, the washer 53 then being slightly compressed axially.
  • the contact washer may have a generally frustoconical shape of axis X, one of the axial ends of the washer being in contact with the front end 39 of the body 35 and the other with the inner wall 19.
  • the contacts thus made are continuous over the entire circumference.
  • FIG. 10 shows a connector 60 comprising, like the connectors 1 and 1 ', a first connector element 61 and a second connector element 62.
  • the first connector element 61 comprises an internal mass contact member 63, substantially similar to the member 8, and a retaining member 65.
  • the latter comprises a ring 66 to the front of which is connected a plurality of tabs elastically deformable 67 and behind which is formed a housing 68 for receiving a seal 69.
  • the tabs 67 generally define at their free end an annular bead 70 whose role is explained below.
  • the ring 66 is inserted in force into the cavity of the body 75 of the first connector element 61.
  • the internal mass contact member 63 is inserted into force in the ring 66.
  • the body 76 of the second connector element 62 comprises an annular recess 77 defined at the front by a frustoconical bearing surface 78 on which the annular bead 70 may bear.
  • the radial force exerted by the tabs 67 creates an axial force for pressing the front end 80 of the body 76 against a shoulder 81 of the ring 66.
  • the body 76 has near its front end 80 an annular groove 85 receiving a seal 86.

Abstract

The connector (1) has a connector element (2) with a retaining unit e.g. strip (25), to exert a radial effort on a connector element (3) that is placed so that the effort generates an axial effort on the element (3) to axially support against an inner wall (19) of the element (2). The element (2) has a body forming an inner ground pin (8) inserted in a tubular body (5) and contacting with an inner wall of a tubular body (35) of the element (3) by exerting a strong contact pressure. A contact ring placed between a front end and a wall of the elements (3, 2) is made of elastic metallic material.

Description

La présente invention a pour objet un connecteur coaxial à verrouillage par encliquetage.The present invention relates to a coaxial connector snap locking.

La demande de brevet européen EP 1 094 565 décrit un connecteur coaxial comportant un élément de connecteur et un élément de connecteur complémentaire. L'élément de connecteur comporte un manchon muni de pattes d'encliquetage dont l'extrémité libre présente un épaulement apte à venir en appui sur une surface inclinée de l'élément de connecteur complémentaire de manière à exercer sur celui-ci une force axiale. Ce connecteur est satisfaisant en ce qui concerne le niveau de fuite en hyperfréquence mais apparaissent dans ce connecteur des fréquences parasites relativement importantes engendrées par le phénomène d'intermodulation, ce qui n'est pas acceptable, notamment dans le domaine des télécommunications où il est fait appel à des transmissions de signaux hyperfréquence vers une antenne ou en provenance d'une antenne.The patent application European EP 1 094 565 discloses a coaxial connector having a connector member and a complementary connector member. The connector element comprises a sleeve provided with latching lugs whose free end has a shoulder adapted to bear on an inclined surface of the complementary connector element so as to exert on it an axial force. This connector is satisfactory with regard to the leakage level microwave but appear in this connector relatively high parasitic frequencies generated by the phenomenon of intermodulation, which is not acceptable, particularly in the telecommunications field where it is done call for transmissions of microwave signals to an antenna or from an antenna.

Il existe un besoin de disposer de connecteurs coaxiaux présentant à la fois un niveau de blindage satisfaisant vis-à-vis de fuites dans le domaine des hyperfréquences et de bonnes caractéristiques concernant l'intermodulation, notamment pour des fréquences comprises entre 1 GHz et 6 GHz environ.There is a need for coaxial connectors having both a satisfactory level of shielding against leakage in the microwave range and good intermodulation characteristics, especially for frequencies between 1 GHz and 6 GHz. about.

L'invention répond à ce besoin grâce à un connecteur coaxial à verrouillage par encliquetage comportant deux éléments de connecteur complémentaires comprenant chacun un corps tubulaire formant contact de masse et dans lequel pénètre un contact central, mâle et respectivement femelle, retenu dans le corps par l'intermédiaire d'un isolant, caractérisé par le fait qu'un premier des éléments de connecteur comporte un organe de retenue apte à exercer un effort radial sur le second élément de connecteur, lequel est agencé de sorte que cet effort radial génère un effort axial sur le second élément de connecteur tendant à l'appuyer axialement contre une portée d'appui du premier élément de connecteur, et par le fait que l'un des éléments de connecteur comporte un organe formant contact de masse interne inséré dans le corps correspondant et apte à venir au contact avec une paroi intérieure du corps de l'autre élément de connecteur, en y exerçant une pression de contact relativement forte.The invention responds to this need by means of a snap-lock coaxial connector comprising two complementary connector elements each comprising a tubular body forming a mass contact and into which a central contact, male and female respectively, retained in the body by the intermediate of an insulator, characterized in that a first of the connector elements comprises a retaining member adapted to exert a radial force on the second connector element, which is arranged so that this radial force generates an axial force on the second connector element tending to press it axially against a bearing surface of the first connector element, and in that one of the connector elements has an internal mass contact member inserted into the corresponding body and adapted to come into contact with an inner wall of the body of the other connector element, exerting pressure thereon relatively strong contact.

Grâce à l'invention, le contact réalisé entre l'organe formant contact de masse interne et la paroi intérieure précitée permet d'assurer la continuité électrique entre les deux corps formant contact de masse tout en permettant une pression de contact relativement forte dans les zones de contact. Cet organe formant contact de masse interne permet de transporter la majeure partie des courants qui, en hautes fréquences, circulent dans une épaisseur de peau en regard du contact central. On réduit ainsi de manière sensible les fréquences parasites générées par le phénomène d'intermodulation.Thanks to the invention, the contact made between the internal mass contact member and the aforementioned inner wall makes it possible to ensure the electrical continuity between the two bodies forming mass contact while allowing a relatively high contact pressure in the contact areas. This internal mass contact member makes it possible to transport most of the currents which, at high frequencies, circulate in a skin thickness facing the central contact. The parasitic frequencies generated by the intermodulation phenomenon are thus significantly reduced.

Par ailleurs, le contact électrique entre les deux éléments de connecteur obtenu au moyen de l'appui axial précité permet de transporter les courants résiduels engendrés par les fuites à travers l'organe formant contact de masse interne. Comme ces courants résiduels sont relativement faibles et le phénomène d'intermodulation présente essentiellement un caractère non linéaire et n'apparaît que pour des courants forts, ce contact n'engendre que de faibles fréquences parasites dues au phénomène d'intermodulation. Ce contact permet en outre de réduire sensiblement le niveau de fuite en hyperfréquence.Furthermore, the electrical contact between the two connector elements obtained by means of the abovementioned axial support makes it possible to transport the residual currents generated by the leaks through the internal mass contact member. Since these residual currents are relatively weak and the intermodulation phenomenon has essentially a non-linear character and only appears for strong currents, this contact produces only low parasitic frequencies due to the intermodulation phenomenon. This contact also makes it possible to significantly reduce the level of microwave leakage.

Ainsi, le connecteur selon l'invention présente des caractéristiques de blindage tout à fait satisfaisantes et un faible taux d'intermodulation.Thus, the connector according to the invention has quite satisfactory shielding characteristics and a low intermodulation rate.

Enfin, l'invention permet un assemblage aisé des éléments de connecteur, cet assemblage pouvant être obtenu essentiellement par encliquetage.Finally, the invention allows easy assembly of the connector elements, this assembly can be obtained essentially by snapping.

De préférence, le second élément de connecteur comporte une extrémité frontale venant en appui axial contre la portée d'appui du premier élément de connecteur.Preferably, the second connector element comprises a front end bearing axially against the bearing surface of the first connector element.

Dans une mise en oeuvre préférée de l'invention, l'organe formant contact de masse interne est inséré en force dans le premier élément de connecteur.In a preferred embodiment of the invention, the internal mass contact member is forcibly inserted into the first connector member.

L'organe formant contact de masse interne comporte avantageusement une pluralité de pattes élastiquement déformables aptes à venir en appui sur la paroi intérieure précitée.The internal mass contact member advantageously comprises a plurality of resiliently deformable tabs adapted to bear on the aforementioned inner wall.

De préférence, le second élément de connecteur comporte une surface d'appui généralement tronconique sur laquelle peut venir en appui l'organe de retenue de sorte que l'effort radial exercé par celui-ci génère un effort axial sur le second élément de connecteur.Preferably, the second connector element comprises a generally frustoconical bearing surface on which the retaining member can be supported so that the radial force exerted by the latter generates an axial force on the second connector element.

Cette surface généralement tronconique peut être réalisée dans une gorge annulaire du corps du second élément de connecteur.This generally frustoconical surface can be made in an annular groove of the body of the second connector element.

Dans un exemple de mise en oeuvre de l'invention, l'organe de retenue est constitué par un jonc fendu, généralement tronconique, de manière à présenter une élasticité radiale.In an exemplary implementation of the invention, the retaining member is constituted by a split ring, generally frustoconical, so as to present a radial elasticity.

L'extrémité axiale de ce jonc présentant la plus petite section transversale peut comporter un rebord dirigé radialement vers l'extérieur.The axial end of this rod having the smallest cross section may comprise a rim directed radially outwardly.

Dans un autre exemple de mise en oeuvre de l'invention, l'organe de retenue comporte des pattes élastiquement déformables définissant à leur extrémité libre un bourrelet annulaire apte à venir en appui sur ladite surface généralement tronconique.In another example of implementation of the invention, the retaining member comprises elastically deformable tabs defining at their free end an annular bead adapted to bear on said generally frustoconical surface.

Dans ce cas, l'organe de retenue forme également un contact de masse extérieur.In this case, the retaining member also forms an external mass contact.

L'extrémité frontale du second élément de connecteur peut venir en contact directement avec une paroi réalisée sur le corps du premier élément de connecteur.The front end of the second connector element can come into direct contact with a wall made on the body of the first connector element.

En variante, le premier élément de connecteur comporte un joint compressible axialement, réalisé notamment en élastomère chargé avec un métal conducteur, l'extrémité frontale du second élément de connecteur venant s'appuyer sur ce joint.In a variant, the first connector element comprises an axially compressible seal, made in particular of elastomer loaded with a conductive metal, the end end of the second connector element coming to bear against this seal.

Ce dernier peut être logé dans une gorge annulaire de l'organe formant contact de masse interne.The latter can be housed in an annular groove of the internal mass contact member.

Grâce à la compressibilité du joint, on peut réaliser certaines pièces constitutives du connecteur avec des tolérances dimensionnelles plus souples.Due to the compressibility of the seal, certain component parts of the connector can be made with more flexible dimensional tolerances.

En variante, le connecteur comporte une rondelle de contact interposée entre l'extrémité frontale du second élément de connecteur et une paroi du premier élément de connecteur, cette rondelle étant apte à être comprimée axialement.In a variant, the connector comprises a contact washer interposed between the front end of the second connector element and a wall of the first connector element, this disc being able to be compressed axially.

Cette rondelle peut présenter un profil ondulé ou, en variante, une forme généralement tronconique.This washer may have a corrugated profile or, alternatively, a generally frustoconical shape.

La rondelle peut être réalisée dans un matériau métallique élastique, par exemple.The washer may be made of an elastic metal material, for example.

L'invention sera mieux comprise à la lecture de la description détaillée qui va suivre, d'exemples de mise en oeuvre non limitatifs, et à l'examen du dessin annexé, sur lequel :

  • la figure 1 représente, schématiquement et partiellement, en coupe axiale partielle, un connecteur conforme à un premier exemple de mise en oeuvre de l'invention,
  • les figures 2 et 3 représentent, schématiquement et partiellement, en coupe axiale partielle, les deux éléments de connecteur du connecteur de la figure 1, respectivement,
  • la figure 4 représente, schématiquement, en coupe axiale partielle, un organe formant contact de masse interne du connecteur de la figure 1,
  • la figure 5 représente schématiquement, en perspective, un organe de retenue du connecteur de la figure 1,
  • la figure 6 représente, schématiquement et partiellement, en coupe axiale partielle, un connecteur conforme à un deuxième exemple de mise en oeuvre de l'invention,
  • la figure 7 représente, schématiquement et partiellement, en coupe axiale, un connecteur conforme à un troisième exemple de mise en oeuvre de l'invention,
  • la figure 8 est une vue schématique, en perspective, d'une rondelle de contact du connecteur de la figure 7,
  • la figure 9 est une vue schématique, de profil, de la rondelle de contact de la figure 8, et
  • la figure 10 représente, schématiquement et partiellement, en coupe axiale, un connecteur conforme à un quatrième exemple de mise en oeuvre de l'invention.
The invention will be better understood on reading the detailed description which follows, of nonlimiting examples of implementation, and on examining the appended drawing, in which:
  • FIG. 1 represents, schematically and partially, in partial axial section, a connector according to a first example of implementation of the invention,
  • Figures 2 and 3 show, schematically and partially, in partial axial section, the two connector elements of the connector of Figure 1, respectively,
  • FIG. 4 schematically represents, in partial axial section, an internal ground contact member of the connector of FIG. 1,
  • FIG. 5 schematically represents, in perspective, a retaining member of the connector of FIG. 1,
  • FIG. 6 represents, schematically and partially, in partial axial section, a connector according to a second exemplary implementation of the invention,
  • FIG. 7 represents, schematically and partially, in axial section, a connector according to a third exemplary embodiment of the invention,
  • FIG. 8 is a diagrammatic perspective view of a contact washer of the connector of FIG. 7,
  • FIG. 9 is a schematic view, in profile, of the contact washer of FIG. 8, and
  • FIG. 10 represents, schematically and partially, in axial section, a connector according to a fourth embodiment of the invention.

On a représenté sur la figure 1 un connecteur 1 conforme à l'invention, comportant un premier élément de connecteur désigné globalement par la référence 2 et qui, dans l'exemple décrit, est agencé en fiche mâle et un second élément de connecteur désigné globalement par la référence 3 et qui est agencé en prise femelle.FIG. 1 shows a connector 1 according to the invention, comprising a first connector element generally designated by the reference 2 and which, in the example described, is arranged in a plug and a second connector element generally designated by the reference 3 and which is arranged in socket.

Le premier élément de connecteur 2, illustré isolément à la figure 2, comporte un corps conducteur 5, tubulaire de révolution d'axe X, et formant contact de masse, un contact central 6 et un isolant 7 dans lequel est maintenu le contact central 6.The first connector element 2, illustrated in isolation in FIG. 2, comprises a tubular X-axis revolution-forming conductive body 5, forming a mass contact, a central contact 6 and an insulator 7 in which the central contact 6 is held. .

L'isolant 7 est inséré dans un organe formant contact de masse interne 8 comportant une bague annulaire centrale 9 à laquelle se raccordent d'un côté, une pluralité de pattes élastiquement déformables 10 et, de l'autre côté, une extension 12 vers l'arrière présentant à son extrémité libre un bourrelet annulaire 13, comme on peut le voir notamment sur la figure 4.The insulator 7 is inserted into an internal mass-contacting member 8 having a central annular ring 9 to which are connected on one side a plurality of elastically deformable tabs 10 and, on the other side, an extension 12 to the other. rear having at its free end an annular bead 13, as can be seen in particular in Figure 4.

L'extrémité libre des pattes 10 définit globalement un bourrelet annulaire 17.The free end of the tabs 10 generally defines an annular bead 17.

L'organe 8 est inséré en force dans la cavité du corps tubulaire 5, le bourrelet annulaire 13 venant en appui contre la paroi intérieure de ce corps 5.The member 8 is inserted in force into the cavity of the tubular body 5, the annular bead 13 bearing against the inner wall of the body 5.

Ce dernier comporte une gorge annulaire intérieure 18 dans laquelle est disposé un joint 29 et, à son extrémité frontale, un rebord 20 dirigé radialement vers l'axe X.The latter comprises an inner annular groove 18 in which is disposed a seal 29 and, at its front end, a flange 20 directed radially towards the axis X.

Le premier élément de connecteur 2 comporte en outre un organe de retenue 25, représenté isolément à la figure 5, constitué dans l'exemple décrit par un jonc d'axe X, fendu de manière à présenter une élasticité radiale. Ce jonc 25 présente une forme généralement tronconique et comporte à son extrémité de plus petite section transversale un rebord 26 dirigé radialement vers l'extérieur. Le jonc 25 est logé dans le corps 5, avec un certain jeu, entre un épaulement intérieur 21 du corps 5 et le rebord 20, autorisant une déformation radiale du jonc 25, lors de l'assemblage des deux éléments de connecteur.The first connector element 2 further comprises a retaining member 25, shown in isolation in FIG. 5, constituted in the example described by an X-axis rod, slit so as to have a radial elasticity. This rod 25 has a generally frustoconical shape and has at its end of smaller cross section a flange 26 directed radially outwardly. The rod 25 is housed in the body 5, with a certain clearance, between an inner shoulder 21 of the body 5 and the flange 20, allowing radial deformation of the rod 25, during assembly of the two connector elements.

Le corps 5 reçoit à son extrémité frontale un bouchon 30 comportant un retour 31 dont l'extrémité libre vient en contact avec le jonc 25.The body 5 receives at its front end a plug 30 having a return 31 whose free end comes into contact with the rod 25.

Comme on peut le voir sur la figure 3 notamment, le second élément de connecteur 3 comporte un corps conducteur 35, tubulaire de révolution d'axe X, et formant contact de masse, un contact central 36 et un isolant 38 interposé entre le corps tubulaire 35 et le contact central 36.As can be seen in Figure 3 in particular, the second connector element 3 comprises a conductive body 35, tubular X-axis revolution, and forming a mass contact, a central contact 36 and an insulator 38 interposed between the tubular body 35 and the central contact 36.

Le corps 35 présente une extrémité frontale en pointe 39.The body 35 has a pointed end end 39.

Le corps 35 comporte sur sa paroi extérieure une surface d'appui tronconique 40 convergent vers l'arrière, laquelle surface 40 définit avec une autre surface tronconique 41, d'orientation opposée, une gorge annulaire 42.The body 35 has on its outer wall a frustoconical bearing surface 40 converging towards the rear, which surface 40 defines with another frustoconical surface 41, of opposite orientation, an annular groove 42.

Lorsque les éléments de connecteur 2 et 3 sont assemblés, le jonc 25 vient se loger partiellement dans la gorge 42, le rebord 26 étant alors en appui contre la surface d'appui tronconique 40 de sorte que l'effort radial exercé par le jonc 25 se traduit par un effort axial suivant l'axe X exercé sur l'élément de connecteur 3. Ainsi, l'extrémité frontale 39 de l'élément de connecteur 3 est pressée axialement en contact avec une paroi intérieure 19 constituée par un épaulement du corps 5.When the connector elements 2 and 3 are assembled, the rod 25 is partially housed in the groove 42, the flange 26 then bearing against the frustoconical bearing surface 40 so that the radial force exerted by the rod 25 is reflected by an axial force along the X axis exerted on the connector element 3. Thus, the front end 39 of the connector member 3 is pressed axially in contact with an inner wall 19 constituted by a shoulder of the body 5.

Les pattes 10 de l'organe formant contact de masse interne 8 exercent, grâce au bourrelet annulaire 17, un effort radial sur la paroi intérieure du corps 35, produisant ainsi une pression de contact importante.The tabs 10 of the internal mass contact member 8 exert, by means of the annular bead 17, a radial force on the inner wall of the body 35, thus producing a large contact pressure.

L'organe 8 permet de transporter la majeure partie des courants qui, en hautes fréquences, circulent dans une épaisseur de peau en regard du contact central 6.The member 8 makes it possible to transport most of the currents which, at high frequencies, circulate in a skin thickness facing the central contact 6.

Ainsi, les fréquences parasites dues au phénomène d'intermodulation sont relativement faibles.Thus, the parasitic frequencies due to the intermodulation phenomenon are relatively low.

Enfin, le contact électrique entre l'extrémité frontale 39 du corps 35 et la paroi intérieure 19 du corps 5 permet de transporter les courants résiduels engendrés par les fuites à travers les fentes 10a existant entre les pattes 10. Comme ces courants résiduels sont faibles et le phénomène d'intermodulation présente essentiellement un caractère non linéaire et n'apparaît que pour des courants forts, ce contact entre l'extrémité frontale 39 et la paroi intérieure 19 n'engendre que de faibles fréquences parasites dues au phénomène d'intermodulation.Finally, the electrical contact between the front end 39 of the body 35 and the internal wall 19 of the body 5 makes it possible to transport the residual currents generated by the leaks through the slots 10a existing between the tabs 10. As these residual currents are weak and the intermodulation phenomenon has essentially a non-linear character and appears only for strong currents, this contact between the front end 39 and the inner wall 19 generates only low parasitic frequencies due to the phenomenon of intermodulation.

Ce contact permet de réduire d'autant mieux le niveau de fuite en hyperfréquence que son effet de blindage s'additionne, en première approximation, avec celui obtenu grâce à la ligne de contact de l'organe 8 avec les corps 5 et 35.This contact makes it possible to reduce the level of microwave leakage all the better since its shielding effect is added, in a first approximation, to that obtained thanks to the contact line of the member 8 with the bodies 5 and 35.

Dans l'exemple qui vient d'être décrit, le contact entre l'extrémité frontale 39 du corps 35 et le corps 5 se fait de manière directe.In the example just described, the contact between the front end 39 of the body 35 and the body 5 is in a direct manner.

On ne sort pas du cadre de la présente invention en interposant entre l'extrémité frontale 39 et le corps 5 un élément conducteur.It is not beyond the scope of the present invention by interposing between the front end 39 and the body 5 a conductive element.

On a représenté sur la figure 6 un connecteur 1' sensiblement analogue au connecteur 1, mais dont le premier élément de connecteur 2' comporte un organe formant contact de masse interne 8' muni d'un logement 50. Ce dernier présente une forme annulaire et permet de recevoir un joint 51.FIG. 6 shows a connector 1 'substantially similar to the connector 1, but whose first connector element 2' has an internal mass contact member 8 'provided with a housing 50. The latter has an annular shape and allows to receive a seal 51.

L'extrémité frontale 39 du corps 35 vient en appui sur le joint 51, lequel est compressé axialement par l'effort axial exercé par le jonc 25 sur le corps 35.The front end 39 of the body 35 bears on the seal 51, which is compressed axially by the axial force exerted by the rod 25 on the body 35.

Le joint 51 est conducteur, étant réalisé dans l'exemple décrit en élastomère chargé avec un métal conducteur. Du fait que ce joint n'est pas situé sur la ligne de circulation principale des courants, il peut même contenir des particules conductrices magnétiques, sans pour autant nuire aux performances en matière d'intermodulation puisque les courants qui traversent ce joint restent relativement faibles.The seal 51 is conductive, being made in the example described elastomer loaded with a conductive metal. Since this seal is not located on the main stream flow line, it may even contain magnetic conductive particles, without impairing intermodulation performance since the currents flowing through this seal remain relatively low.

En variante, comme cela est illustré en référence aux figures 7 à 9, le connecteur 1 comporte une rondelle de contact 53 disposée dans le premier élément de connecteur 2, en appui contre la paroi intérieure 19 du corps 5.In a variant, as is illustrated with reference to FIGS. 7 to 9, the connector 1 comprises a contact washer 53 disposed in the first connector element 2, bearing against the inside wall 19 of the body 5.

Cette rondelle 53 présente une forme généralement circulaire, comme on peut le voir sur la figure 8 notamment, et est réalisée dans une matière métallique élastique.This washer 53 has a generally circular shape, as can be seen in Figure 8 in particular, and is made of an elastic metal material.

Lorsqu'elle est observée de profil, comme on le voit sur la figure 9, la rondelle 53 est ondulée, présentant alternativement des creux 54 et des sommets 55 suivant l'axe X, de sorte que la rondelle 53 présente une certaine compressibilité axiale.When viewed in profile, as seen in Figure 9, the washer 53 is corrugated, alternately having recesses 54 and vertices 55 along the X axis, so that the washer 53 has a certain axial compressibility.

Après assemblage des éléments de connecteur, l'extrémité frontale 39 du corps 35 vient en appui contre les sommets 55 et les creux 54 sont en contact avec la paroi intérieure 19, la rondelle 53 étant alors légèrement comprimée axialement.After assembly of the connector elements, the front end 39 of the body 35 abuts against the vertices 55 and the recesses 54 are in contact with the inner wall 19, the washer 53 then being slightly compressed axially.

On remarque que le contact entre l'extrémité 39 et la rondelle 53 et cette dernière avec la paroi 19 peut être interrompu sur certaines portions de la circonférence, ce contact étant néanmoins suffisant pour assurer un blindage efficace.Note that the contact between the end 39 and the washer 53 and the latter with the wall 19 may be interrupted on certain portions of the circumference, this contact is nevertheless sufficient to ensure effective shielding.

En variante, la rondelle de contact peut présenter une forme généralement tronconique d'axe X, l'une des extrémités axiales de la rondelle étant en contact avec l'extrémité frontale 39 du corps 35 et l'autre avec la paroi intérieure 19.In a variant, the contact washer may have a generally frustoconical shape of axis X, one of the axial ends of the washer being in contact with the front end 39 of the body 35 and the other with the inner wall 19.

Les contacts ainsi réalisés sont continus sur toute la circonférence.The contacts thus made are continuous over the entire circumference.

On ne sort pas du cadre de la présente invention en remplaçant l'organe de retenue constitué par un jonc, comme décrit précédemment, par un organe de retenue présentant une structure différente.It is not beyond the scope of the present invention by replacing the retaining member constituted by a ring, as described above, by a retaining member having a different structure.

On a représenté en référence à la figure 10 un connecteur 60 comportant, à l'instar des connecteurs 1 et 1', un premier élément de connecteur 61 et un second élément de connecteur 62.FIG. 10 shows a connector 60 comprising, like the connectors 1 and 1 ', a first connector element 61 and a second connector element 62.

Le premier élément de connecteur 61 comporte un organe formant contact de masse interne 63, sensiblement analogue à l'organe 8, et un organe de retenue 65. Ce dernier comporte une bague 66 à l'avant de laquelle se raccorde une pluralité de pattes élastiquement déformables 67 et à l'arrière de laquelle est réalisé un logement 68 permettant de recevoir un joint 69.The first connector element 61 comprises an internal mass contact member 63, substantially similar to the member 8, and a retaining member 65. The latter comprises a ring 66 to the front of which is connected a plurality of tabs elastically deformable 67 and behind which is formed a housing 68 for receiving a seal 69.

Les pattes 67 définissent globalement à leur extrémité libre un bourrelet annulaire 70 dont le rôle est expliqué plus loin.The tabs 67 generally define at their free end an annular bead 70 whose role is explained below.

La bague 66 est insérée en force dans la cavité du corps 75 du premier élément de connecteur 61.The ring 66 is inserted in force into the cavity of the body 75 of the first connector element 61.

L'organe formant contact de masse interne 63 est inséré en force dans la bague 66.The internal mass contact member 63 is inserted into force in the ring 66.

Le corps 76 du second élément de connecteur 62 comporte un décrochement annulaire 77 défini à l'avant par une surface d'appui tronconique 78 sur laquelle peut venir en appui le bourrelet annulaire 70.The body 76 of the second connector element 62 comprises an annular recess 77 defined at the front by a frustoconical bearing surface 78 on which the annular bead 70 may bear.

Ainsi, l'effort radial exercé par les pattes 67 crée un effort axial permettant de presser l'extrémité frontale 80 du corps 76 contre un épaulement 81 de la bague 66.Thus, the radial force exerted by the tabs 67 creates an axial force for pressing the front end 80 of the body 76 against a shoulder 81 of the ring 66.

Le corps 76 comporte à proximité de son extrémité frontale 80 une gorge annulaire 85 recevant un joint 86.The body 76 has near its front end 80 an annular groove 85 receiving a seal 86.

Bien entendu, l'invention n'est pas limitée aux exemples de mise en oeuvre qui viennent d'être décrits.Of course, the invention is not limited to the implementation examples which have just been described.

On peut notamment agencer le premier élément de connecteur en élément femelle et le second élément de connecteur en élément mâle.In particular, it is possible to arrange the first female element connector element and the second male element connector element.

Claims (16)

Connecteur coaxial (1) à verrouillage par encliquetage comportant deux éléments de connecteur complémentaires (2 ; 3) comprenant chacun un corps tubulaire (5 ; 35) formant contact de masse dans lequel pénètre un contact central (6 ; 36), mâle et respectivement femelle, retenu dans le corps par l'intermédiaire d'un isolant (7 ; 38), caractérisé par le fait qu'un premier des éléments de connecteur (2) comporte un organe de retenue (25 ; 65) apte à exercer un effort radial sur le second élément de connecteur (3), lequel est agencé de sorte que cet effort radial génère un effort axial sur le second élément de connecteur tendant à l'appuyer axialement contre une portée d'appui (19 ; 51 ; 81) du premier élément de connecteur, et par le fait que l'un des éléments de connecteur comporte un organe formant contact de masse interne (8 ; 8' ; 63) inséré dans le corps correspondant et apte à venir au contact avec une paroi intérieure du corps de l'autre élément de connecteur, en y exerçant une pression de contact relativement forte.A snap-in coaxial connector (1) having two complementary connector members (2; 3) each comprising a tubular body (5; 35) forming a ground contact into which a central (6; 36) male and female contact penetrates. retained in the body via an insulator (7; 38), characterized in that a first of the connector elements (2) has a retaining member (25; 65) adapted to exert a radial force on the second connector element (3), which is arranged such that this radial force generates an axial force on the second connector element tending to press it axially against a bearing surface (19; 51; 81) of the first connector element, and in that one of the connector elements comprises an internal mass contact member (8; 8 '; 63) inserted in the corresponding body and adapted to come into contact with an inner wall of the body of the other element of c onnector, exerting a relatively strong contact pressure. Connecteur selon la revendication 1, caractérisé par le fait que le second élément de connecteur (3) comporte une extrémité frontale (39 ; 80) venant en appui contre la portée d'appui (19 ; 51 ; 81) du premier élément de connecteur.Connector according to claim 1, characterized in that the second connector element (3) has a front end (39; 80) bearing against the bearing surface (19; 51; 81) of the first connector element. Connecteur selon l'une des revendications 1 et 2, caractérisé par le fait que l'organe formant contact de masse interne (8 ; 8' ; 63) est inséré en force dans ledit premier élément de connecteur.Connector according to one of claims 1 and 2, characterized in that the internal ground contact member (8; 8 '; 63) is force-fitted into said first connector element. Connecteur selon l'une quelconque des revendications précédentes, caractérisé par le fait que l'organe formant contact de masse interne (8 ; 8' ; 63) comporte une pluralité de pattes élastiquement déformables (10) aptes à venir en appui sur ladite paroi intérieure.Connector according to any one of the preceding claims, characterized in that the internal mass contact member (8; 8 '; 63) comprises a plurality of resiliently deformable tabs (10) able to bear on said inner wall. . Connecteur selon l'une quelconque des revendications précédentes, caractérisé par le fait que le second élément de connecteur (3) comporte une surface d'appui généralement tronconique (40 ; 78) sur laquelle peut venir en appui l'organe de retenue (25 ; 65) de sorte que l'effort radial exercé par celui-ci génère un effort axial sur ledit second élément.Connector according to any one of the preceding claims, characterized in that the second connector element (3) comprises a generally frustoconical bearing surface (40; 78) on which the retaining member (25; 65) so that the radial force exerted by the latter generates an axial force on said second element. Connecteur selon la revendication 5, caractérisé par le fait que ladite surface généralement tronconique (40; 78) est réalisée dans une gorge annulaire (40 ; 77) du corps du second élément de connecteur.Connector according to claim 5, characterized in that said generally frustoconical surface (40; 78) is formed in an annular groove (40; 77) of the body of the second connector element. Connecteur selon l'une quelconque des revendications précédentes,
caractérisé par le fait que l'organe de retenue est constitué par un jonc fendu (25), généralement tronconique, de manière à présenter une élasticité radiale.Connector according to one of the preceding claims,
characterized in that the retaining member is constituted by a split ring (25), generally frustoconical, so as to have a radial elasticity. Connecteur selon la revendication 7, caractérisé par le fait que l'extrémité axiale du jonc (25) présentant la plus petite section transversale comporte un rebord (26) dirigé radialement vers l'extérieur.Connector according to claim 7, characterized in that the axial end of the rod (25) having the smallest cross section has a rim (26) directed radially outwards. Connecteur selon l'une des revendications 5 et 6, caractérisé par le fait que l'organe de retenue (65) comporte des pattes élastiquement déformables (66) définissant à leur extrémité libre un bourrelet annulaire (70) apte à venir en appui sur ladite surface généralement tronconique.Connector according to one of claims 5 and 6, characterized in that the retaining member (65) comprises elastically deformable tabs (66) defining at their free end an annular bead (70) adapted to bear on said generally frustoconical surface. Connecteur selon l'une quelconque des revendications précédentes, caractérisé par le fait que l'extrémité frontale (39) du second élément de connecteur vient en contact directement avec une paroi (19) réalisée sur le corps (5) du premier élément de connecteur.Connector according to any one of the preceding claims, characterized in that the front end (39) of the second connector element comes into direct contact with a wall (19) formed on the body (5) of the first connector element. Connecteur selon l'une quelconque des revendications 1 à 9, caractérisé par le fait que ledit premier élément de connecteur comporte un joint compressible axialement (51), réalisé notamment en élastomère chargé avec un métal conducteur, l'extrémité frontale du second élément de connecteur venant s'appuyer sur ledit joint.Connector according to any one of claims 1 to 9, characterized in that said first connector element comprises an axially compressible seal (51), made in particular of elastomer loaded with a conductive metal, the end end of the second connector element coming to rest on said seal. Connecteur selon la revendication 11, caractérisé par le fait que le joint (51) est logé dans une gorge annulaire (50) de l'organe formant contact de masse interne (8').Connector according to claim 11, characterized in that the seal (51) is housed in an annular groove (50) of the internal ground contact member (8 '). Connecteur selon l'une quelconque des revendications 1 à 9, caractérisé par le fait qu'il comporte une rondelle de contact (53) interposée entre l'extrémité frontale (39) du second élément de connecteur et une paroi (19) du premier élément de connecteur, ladite rondelle étant apte à être comprimée axialement.Connector according to any one of claims 1 to 9, characterized in that it comprises a contact washer (53) interposed between the end end (39) of the second connector element and a wall (19) of the first element connector, said washer being able to be compressed axially. Connecteur selon la revendication 13, caractérisé par le fait que ladite rondelle de contact (53) présente un profil ondulé.Connector according to claim 13, characterized in that said contact washer (53) has a corrugated profile. Connecteur selon la revendication 13, caractérisé par le fait que ladite rondelle de contact (53) présente une forme généralement tronconique.Connector according to claim 13, characterized in that said contact washer (53) has a generally frustoconical shape. Connecteur selon l'une quelconque des revendications 13 à 15, caractérisé par le fait que ladite rondelle de contact (53) est réalisée dans un matériau métallique élastique.Connector according to any one of claims 13 to 15, characterized in that said contact washer (53) is made of an elastic metal material.
EP07021999A 2001-08-03 2002-08-01 Coaxial connector with locking by snap-fitting Withdrawn EP1901403A3 (en)

Applications Claiming Priority (2)

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FR0110452A FR2828343B1 (en) 2001-08-03 2001-08-03 COAXIAL CONNECTOR WITH LATCHING
EP02291948A EP1282202B1 (en) 2001-08-03 2002-08-01 Coaxial connector with snap locking

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EP1901403A3 EP1901403A3 (en) 2009-01-21

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EP02291948A Expired - Lifetime EP1282202B1 (en) 2001-08-03 2002-08-01 Coaxial connector with snap locking

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FR2828343A1 (en) 2003-02-07
EP1282202A1 (en) 2003-02-05
DE60223464D1 (en) 2007-12-27
DE60223464T2 (en) 2008-09-18
US6645011B2 (en) 2003-11-11
FR2828343B1 (en) 2004-06-11
EP1901403A3 (en) 2009-01-21
EP1282202B1 (en) 2007-11-14
US20030027435A1 (en) 2003-02-06

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