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EP0491626B1 - Elektrischer Koaxialverbinder - Google Patents

Elektrischer Koaxialverbinder Download PDF

Info

Publication number
EP0491626B1
EP0491626B1 EP91403439A EP91403439A EP0491626B1 EP 0491626 B1 EP0491626 B1 EP 0491626B1 EP 91403439 A EP91403439 A EP 91403439A EP 91403439 A EP91403439 A EP 91403439A EP 0491626 B1 EP0491626 B1 EP 0491626B1
Authority
EP
European Patent Office
Prior art keywords
connector
socket
annular
elastic
connector element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP91403439A
Other languages
English (en)
French (fr)
Other versions
EP0491626A1 (de
Inventor
Michel Pierre Cyvoct
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.)
Radiall SA
Original Assignee
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 Radiall SA filed Critical Radiall SA
Publication of EP0491626A1 publication Critical patent/EP0491626A1/de
Application granted granted Critical
Publication of EP0491626B1 publication Critical patent/EP0491626B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/58—Contacts spaced along longitudinal axis of engagement

Definitions

  • the present invention relates to a coaxial electrical connector of the type comprising a male element and a female element capable of being connected to each other in a removable manner, comprising, on the connector elements, cooperating locking means, resistant to axial traction, and unlocking means capable of causing a release of said locking means to allow separation of the connector elements.
  • each of the connector elements comprises a central contact, of pin and socket type respectively, capable of cooperating with the central contact of the other element during connection, one of the elements comprising an external ground contact in form of socket, the outer wall of which comprises an annular groove of concave profile, the other connector element comprising an external ground contact comprising a socket with radial elasticity and a body in which a cavity is made in which a rod is housed and retained annular elastic, of open contour, comprising radial projections, capable of engaging in the annular groove of the first connector element when the two connector elements are brought together axially, and a peripheral unlocking sleeve capable of sliding along the second element connector and having an annular wall intended to come into contact with said j elastic wave and push the latter into said cavity so as to release it from the groove of the first connector element.
  • the elastic rod consists of a cut strip of elastic material comprising a plurality of spaced projections having a curved surface, the annular cavity intended to house and retain the rod having two inclined walls, one produced by machining the body of the corresponding connector element, the other part of a ring crimped at the end of said body. Additional means, such as an annular tab, are also provided for retaining the rod in the body cavity.
  • the cavity intended to accommodate and retain the elastic ring is produced in the body of the second connector element at a relatively large radial distance from the elastic sleeve of the ground contact of this second connector element to allow the sleeve of the first connector element to be housed in an annular space provided between said elastic socket said cavity housing the elastic ring. This notably increases the space requirement in the radial direction of the connector and therefore its outside diameter.
  • the present invention proposes to provide a connector allowing a simplified and therefore less expensive manufacture of the elastic ring and of the connector element intended to receive it, while notably reducing the space requirement in the radial direction of this connector element.
  • the connector according to the present invention is essentially characterized in that the elastic sleeve of the external earth contact of the second connector element has a diameter corresponding substantially to the diameter of the annular wall of the peripheral unlocking sleeve, said elastic sleeve having a front end disposed inside said annular cavity of the body of the second connector element, and which the elastic ring comprises, inclined portions projecting radially outwards and disposed between the opposite ends of the elastic sleeve and the annular wall of the peripheral sleeve.
  • the elastic ring advantageously has in section a V-shape with a truncated point, that is to say with a cylindrical central core and, on either side of it, two lateral branches inclined projecting radially outwards. forming between them an angle preferably of the order of 90 °, and disposed respectively opposite the end of the elastic sleeve of the second connector element and the end of the annular wall of the peripheral unlocking sleeve.
  • the end faces of the elastic sleeve of the second connector element and of the annular wall of the peripheral unlocking sleeve are chamfered to contribute to the radial outward guidance of the elastic ring in the cavity of the body of the second element of connector when disconnected.
  • annular cavity of the body of the second connector element no longer needs to have two inclined walls, a single inclined wall being sufficient to ensure guidance of the end of one of the inclined branches of the annular ring when unlocked and, in addition, no additional holding element is necessary to retain the ring in the corresponding cavity in the disassembled position of the connector.
  • a coaxial connector according to the invention consists of a first connector element generally designated by 1 and a second connector element generally designated by 2.
  • the first connector element 1 is arranged as a male element and comprises a central pin-shaped contact 3, an external ground contact in the form of a socket 4 and an insulating sleeve 5.
  • a central pin-shaped contact 3 In the peripheral wall of the external contact sleeve 4, an annular groove 6 is produced. More specifically, the groove 6 has a profile corresponding to the profile of the annular ring, which will be described in more detail below, to ensure good retention in the coupling position.
  • the groove 6 thus comprises in the example illustrated a truncated V-shaped profile with a cylindrical bottom wall and two frustoconical side walls.
  • the front end of the sleeve 4 has an end chamfer 7.
  • the complementary connector element 2 arranged as a female element, has a central socket-shaped contact 8, the part of which end has a radial elasticity, provided in a known manner, for example by longitudinal slots, and an external ground contact comprising a socket 9 with radial elasticity and a body consisting of two parts 10 and 11 respectively.
  • 10 and 11 of the body are integral and produced, as illustrated in the drawing, so as to define an annular cavity 12 delimited towards the front by an inclined wall 14 formed on the part 11 of the body and towards the rear by a straight wall 15 performed in part 10 of the body.
  • the sleeve 9 has a radial elasticity by the presence, in a known manner, of longitudinal slots extending from its end, this end 16 being furthermore chamfered and being disposed inside the annular cavity 12.
  • the connector element 2 further comprises an insulator 17 between the central contact 8 and the external contact, and an annular elastic ring 18 of substantially V-shaped section with truncated tip.
  • the structure of the rod 18 which constitutes a separate component is best seen in FIG. 4.
  • the rod is split, at 19, and comprises a cylindrical central core 20 from which extend, projecting radially outwards, two branches 21 and 22.
  • the rod 18 is made of elastic material, for example beryllium copper.
  • the connector element 2 comprises an unlocking member constituted by a peripheral sleeve 23 capable of sliding along the peripheral wall of the part 10 of the body, this sleeve comprising an annular wall 24 provided with an end chamfer 25 and engaging inside the body.
  • the diameter of the annular wall 24 of the sleeve 23 corresponds substantially to the diameter of the elastic sleeve 9, so that the chamfered ends 16 of the sleeve, and 25 of the annular wall, lie substantially opposite one another on either side of the branches 21 and 22 of the elastic ring 18.
  • annular rod 18 held in the groove 6 is positioned axially between the ends of the sleeve 9 and of the annular wall 24 of the unlocking sleeve 23.
  • the annular ring 18 remains held in the groove 6 by being wedged between the right side wall (in the drawing) of the groove 6 and the wall inclined 14 of part 11 of the body.
  • the unlocking sleeve is pushed back in the direction of the arrow A in FIG. 3.
  • the chamfer 25 of the annular wall 24 cooperates with the inclined branch 21 of the rod 18 and move the rod 18 away from the groove 6.
  • the two elements of the connector are disconnected.
  • the connector illustrated in FIG. 5 differs only from that of FIGS. 1 to 3 by the fact that the body 11 ′ of the external ground contact of the second connector element 2 is produced in one piece and no longer by two assembled parts 10 and 11.
  • This embodiment makes it possible to further reduce the space requirement in the radial direction of the second connector element and therefore its outside diameter.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (5)

  1. Elektrischer Koaxialverbinder mit Schnellverriegelung und -entriegelung, mit zwei Verbindungselementen (1, 2), deren jedes einen stift- bzw. hülsenförmigen zentralen Kontakt (3, 8) aufweist, der bei der Herstellung der Verbindung mit dem zentralen Kontakt des anderen Elements zusammenwirken kann, wobei eines der Elemente einen äußeren Massekontakt (4) in der Form einer Hülse aufweist, deren Außenwand eine Ringnut (6) besitzt, und das andere Verbindungselement einen äußeren Massekontakt aufweist, der eine Hülse (9) mit radialer Elastizität und einen Körper (10, 11) aufweist, in welchem ein Hohlraum (12) ausgebildet ist, in dem ein ringförmiger elastischer Sprengring (18) mit offenem Rand untergebracht und gehalten ist, der radiale Vorsprünge aufweist und bei der axialen Annäherung der beiden Verbindungselemente in die Ringnut des ersten Verbindungselements eingreifen kann, und mit einer umgebenden Entriegelungsmanschette (23), die längs des zweiten Verbindungselements gleiten kann und eine ringförmige Wand (24) aufweist, die dazu bestimmt ist, mit dem genannten elastischen Sprengring in Berührung zu treten und diesen derart in den Hohlraum zurückzudrücken, daß die Nut des ersten Verbindungselements freigegeben wird, dadurch gekennzeichnet, daß die elastische Hülse (9) des äußeren Massekontaktes des zweiten Verbindungselements (2) einen Durchmesser aufweist, der im wesentlichen dem Durchmesser der ringförmigen Wand (24) der umgebenden Entriegelungsmanschette (23) entspricht, wobei die genannte elastische Hülse ein vorderes Ende (16) bildet, das im Inneren des genannten ringförmigen Hohlraums (12) des Körpers (10, 11; 11′) des zweiten Verbindungselements angeordnet ist, und daß der elastische Sprengring (18) geneigte Teile (21, 22) aufweist, die radial nach außen vorspringen und zwischen den gegenüberliegenden Enden (16, 25) der elastischen Hülse und der ringförmigen Wand der umgebenden Manschette angeordnet sind.
  2. Verbinder nach Anspruch 1, dadurch gekennzeichnet, daß der elastische Sprengring (18) einen V-förmigen Querschnitt mit abgestumpfter Spitze aufweist, mit einem zentralen zylindrischen Kern (20) und beiderseits desselben zwei geneigten seitlichen Armen (21, 22), die radial nach außen vorspringen.
  3. Verbinder nach Anspruch 3, dadurch gekennzeichnet, daß die genannten seitlichen Arme des Sprengrings miteinander einen Winkel von etwa 90° bilden.
  4. Verbinder nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die Endfläche (16) der genannten elastischen Hülse (9) und die Endfläche (25) der genannten ringförmigen Wand der umgebenden Entriegelungsmanschette abgefast sind.
  5. Verbinder nach einem der vorstehenden Ansprüche, dadurch gekenn zeichnet, daß die in der Außenwand des hülsenförmigen äußeren Kontaktes (4) des ersten Verbindungselements ausgebildete Ringnut (6) ein Profil aufweist, das dem Profil des genannten elastischen Sprengrings (18) entspricht.
EP91403439A 1990-12-18 1991-12-18 Elektrischer Koaxialverbinder Expired - Lifetime EP0491626B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9015835 1990-12-18
FR9015835A FR2670615B1 (fr) 1990-12-18 1990-12-18 Connecteur electrique coaxial.

Publications (2)

Publication Number Publication Date
EP0491626A1 EP0491626A1 (de) 1992-06-24
EP0491626B1 true EP0491626B1 (de) 1995-02-01

Family

ID=9403349

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91403439A Expired - Lifetime EP0491626B1 (de) 1990-12-18 1991-12-18 Elektrischer Koaxialverbinder

Country Status (8)

Country Link
US (1) US5195904A (de)
EP (1) EP0491626B1 (de)
JP (1) JPH05205813A (de)
KR (1) KR920013817A (de)
CA (1) CA2057840A1 (de)
DE (1) DE69107189T2 (de)
ES (1) ES2068542T3 (de)
FR (1) FR2670615B1 (de)

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Also Published As

Publication number Publication date
FR2670615B1 (fr) 1993-02-19
FR2670615A1 (fr) 1992-06-19
DE69107189T2 (de) 1995-06-29
CA2057840A1 (fr) 1992-06-19
EP0491626A1 (de) 1992-06-24
ES2068542T3 (es) 1995-04-16
JPH05205813A (ja) 1993-08-13
KR920013817A (ko) 1992-07-29
US5195904A (en) 1993-03-23
DE69107189D1 (de) 1995-03-16

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