EP0461755B1 - Connecteur isolé et blindé - Google Patents

Connecteur isolé et blindé Download PDF

Info

Publication number
EP0461755B1
EP0461755B1 EP91304045A EP91304045A EP0461755B1 EP 0461755 B1 EP0461755 B1 EP 0461755B1 EP 91304045 A EP91304045 A EP 91304045A EP 91304045 A EP91304045 A EP 91304045A EP 0461755 B1 EP0461755 B1 EP 0461755B1
Authority
EP
European Patent Office
Prior art keywords
shell
connector
housing
conductive
cable
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
EP91304045A
Other languages
German (de)
English (en)
Other versions
EP0461755A2 (fr
EP0461755A3 (en
Inventor
Randall Robert Henry
Tracy Lee Smith
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.)
Whitaker LLC
Original Assignee
Whitaker LLC
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 Whitaker LLC filed Critical Whitaker LLC
Publication of EP0461755A2 publication Critical patent/EP0461755A2/fr
Publication of EP0461755A3 publication Critical patent/EP0461755A3/en
Application granted granted Critical
Publication of EP0461755B1 publication Critical patent/EP0461755B1/fr
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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
    • H01R24/30—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable with additional earth or shield contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
    • H01R13/6593—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable the shield being composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]

Definitions

  • the invention relates to a shielded electrical connector providing EMI and RF shielding.
  • a connector disclosed in U.S. Patent 3,281,756 includes electrical contacts connected to corresponding signal carrying conductors of a cable, and a conductive shell connected to a conductive, outer braid or tubing providing a shield for EMI, electromagnetic interference and RF, radio frequency interference.
  • the conductive shell is uncovered, and can transmit high voltage that is induced or conducted along the shield of the cable. Such high voltage can cause electrical shock to a person that grasps the conductive shell.
  • a keying feature is required to orient the contacts during mated connection of the connector to another, complementary connector.
  • the keying feature was accomplished by machining a key unitary with the shell, or by assembling a separate key and the shell.
  • a further assembly operation is required for mounting a coupling mechanism to the connector, such that the coupling mechanism can be coupled to a complementary connector.
  • a coupling mechanism was retained on the connector by a ring assembled on an exterior of the connector as a separate component part.
  • the present invention consists in a connector as defined in claim 1.
  • EP-A-0 249 250 discloses a connector according to the preamble of claim 1.
  • a connector comprises, an insulative coupling means and an insulative housing having been molded with an integral key, and the coupling means is assembled by movement along a portion of the housing with an interference fit to a position for rotation with respect to the housing while interlocked with a second portion of the housing.
  • a connector comprises, conductive contact means for connection to corresponding signal conductor means of an electrical cable, a conductive shell, insulator means for separating the contact means and the conductive shell, an insulative housing having a unitary key, respective keyways of the conductive shell and the insulator means receiving the unitary key, and the conductive shell is fabricated by having been drawn into the shape of a cylinder with the keyway extending longitudinally of the cylinder and opening into a front end of the cylinder.
  • a connector is fabricated by a process comprising the steps of: assembling an insulative coupling means and a unitary insulative housing having been molded with a key, assembling a conductive shell into an opening of the housing with a keyway of the shell receiving the key, assembling into the opening insulator means and at least one electrical contact having been joined to a corresponding conductor of an electrical cable and a conductive clamp having been joined to a conductive shield of the cable, and covering the opening in the housing with an insulative cover.
  • Figure 1 is a perspective view of a connector assembled with an electrical cable.
  • Figure 2 is a perspective view of the connector shown in Figure 1 with parts exploded apart.
  • Figure 3 is a side elevation view in section of a shell as shown in Figure 10.
  • Figure 4 is an end elevation view of a conductive shell of the connector shown in Figure 3.
  • Figure 5 is an elevation view of the housing shown in Figure 10.
  • Figure 6 is an elevation view in section of a nut shown in Figure 8.
  • Figure 7 is an elevation view partially in section of the housing and nut assembled.
  • Figure 8 is a side elevation view of the nut shown in Figure 9.
  • Figure 9 is a partial end elevation view of an insulative nut of the connector shown in Figure 1.
  • Figure 10 is a side elevation view of an insulative housing of the connector shown in Figure 1.
  • Figure 11 is an end elevation view of the housing of the connector shown in Figure 1.
  • Figure 12 is a side elevation of an assembly of the connector shown in Figure 1.
  • Figure 13 is a side elevation view in section of an insulative nut of the connector shown in Figure 1.
  • Figure 14 is an end elevation view of the nut shown in Figure 13.
  • Figure 15 is a side elevation view of the nut shown in Figure 13.
  • Figure 16 is a section view of a gasket.
  • Figure 17 is an elevation view in section of a clamp element.
  • Figure 18 is an elevation view in section of a sleeve element.
  • Figure 19 is a plan view of a bottom of an insulator means of the connector shown in Figure 1.
  • Figure 20 is an end view of the insulator means shown in Figure 19.
  • Figure 21 is a section view of the insulator means shown in Figure 19.
  • a connector 1 is assembled to an electrical cable 2.
  • the cable 2 includes first and second elongated conductor means or conductors 3, 3 each encircled by insulation 4 known as the dielectric, a conductive shield 5, for example, braided wires encircling the dielectric 4, and an outer insulative jacket 6 of polymeric material. Insulation 7 may encircle a corresponding conductor 3.
  • the nut 10 is of unitary molded plastics construction, and includes a central bore 17 receiving the cable 2, an exterior end cap 18 provided with exterior flats 19 to receive a wrench, not shown, and exterior threads 20.
  • the housing 8 is of unitary molded plastics construction with a stepped axial bore 21, a rear end 22 with an internal threaded section 23, for threadably receiving the threads 20 of the nut 10 , an internal rear facing interior shoulder 24, and axial slits 25 spaced circumferentially of a front end 26 and communicating with the bore 21.
  • the slits 25 permit inward radial deflection of the lip 27 and the front end 26.
  • a thickened cylindrical lip 27 with an exterior, frusto conical surface 27′ tapers to the front end 26.
  • a cylindrical groove 28 is in the exterior immediately to the rear of the lip 27.
  • Exterior flat recesses 29 in a thickened cylindrical wall 30 to the rear of the groove 28 provides a tool rest for receiving a wrench tool, not shown, used to tighten the nut 10 threadable to the housing 8.
  • an interior, projecting key 31 is constructed for fabrication unitary with the housing 8, and has a construction suited for fabrication by a straight draw mold apparatus, not shown, with a one piece, molding core pin, not shown.
  • the key 31 is unitary with the lip 27, and projects into the interior of the housing 8.
  • the key 31 has a rear facing end 32 projecting into the interior of the housing 8, to facilitate molding by a one piece core pin having a first step reduced diameter to form the shoulder 24, and a second step of reduced dimension to form the key 31 unitary with the housing 8. After formation of the housing 8 around such a core pin, the core pin is readily withdrawn from front to rear of the housing 8. Accordingly, the construction of the housing 8 is suitable for mass production by repeated molding operations using such a core pin to form duplicate housings 8.
  • the coupling means 9 is of unitary molded plastics construction, and includes a cylindrical exterior provided with a series of recessed flutes 33 communicating with a front end 34, an internally threaded front section 35 for establishing a threaded connection to another, complementary connector, not shown, and an interior, projecting, circular lip 36.
  • the lip 36 has an interference, or force, fit with the lip 27 of the housing 8, and is slidable over the lip 27 of the housing 8, as the lip 27 of the housing 8 deflects radially inward to permit passage of the coupling means 9 to a second position where the lip 36 enters the groove 28 and becomes interlocked against further movement front to rear. While the coupling means 9 is interlocked in the groove 28, it is also rotatable with respect to the housing 8 while interlocked in the groove 28, such that a threaded coupling can be established with a complementary connector, not shown, without rotation of the housing 8.
  • the gasket 11, figure 16, is fabricated of resilient rubber, and includes a circular groove 37, facing forward.
  • the clamp element 12, Figure 17, is fabricated of metal and includes an axial bore 38 to receive the cable 2, a rear facing ridge 39 for receipt in the groove 37 of the gasket 11 , and a front facing cup 40.
  • the sleeve element 13, figure 18, is fabricated of metal with an axial bore 41 receiving the cable 2, and a rear facing cup 42 that overlaps the cup 40 of the clamp element 12, as illustrated in Figure 12.
  • the insulator means 15, figures 19 through 21, for example, is a unitary molded dielectric body having a cylindrical exterior provided with a recessed keyway 43 communicating with a front end 44, contact receiving cavities 45, 45 communicating with a rear end 46 and extending to the front end 44, and an axial recess 47 communicating with the rear end 46.
  • An indentation 48 in the rear end 46 is adjacent to one of the cavities 45 to distinguish the same from the other cavity 45.
  • the shell 16, figures 3 and 4 is a unitary metal sleeve, formed by drawing.
  • U. S. Patent 4,804,339 it has been a common practice to have a conductive shell provided with a conductive key.
  • the key was assembled to the shell, or was fabricated integral with the shell.
  • a disadvantage of this construction was that the shell had to be fabricated by a relatively costly operation, such as machining, and by press fitting the key to the shell, or by machining the key integral with the shell.
  • the key 31 is unitary with the insulative housing 8, permitting the shell 16 to be fabricated without a key, by a less costly operation, for example, metal drawing.
  • the shell 16 has a construction suitable for fabrication by drawing.
  • the shell 16 has a constant cylindrical thickness, except for an external, projecting, cylindrical flange 49 at a rear end 50, formed during the drawing operation by subjecting only the front portion of the shell 16 to complete drawing into a cylindrical shape.
  • a series of longitudinal slits 51 are circumferentially spaced about a cylindrical front end 52, and communicate with the front end 52. The slits 51 permit the front end 52 to deflect resiliently and radially during coupling with a complementary connector, not shown.
  • a keyway 53 extends longitudinally and communicates with the front end 52. The keyway 53 and the slits 51 are recessed in the thickness of the shell 16, and thereby do not interfere with formation of the shell 16 during the drawing operation.
  • Assembly of the connector 1 and the cable 2, Figures 2 and 12 involves passing the cable 2 successively through the nut 10, the gasket 11 and the clamp element 12, then doubling back the shield 5 over the cup 40 of the clamp element 12, then passing the cable 2 through the sleeve element 13, with the cups 40 and 42 overlapping each other and clamping the shield 5 to establish an electrical connection, assembling each contact 14 to a corresponding conductor 3, assembling each contact 14 along a corresponding cavity 45 of the insulator means 15 until the insulator means 15 engages the front of the sleeve element 13, and the contact 14 projects outward of the insulator means 15, and while the corresponding conductor 3 extends unimpeded across the recess 47.
  • the shell 16 is assembled in the housing 8, with the keyway 53 receiving the key 31 and the front facing shoulder 54 of the flange 49 faces and engages the rear facing shoulder 24 of the housing 8.
  • the shell 16 will project forward outward of the housing 8 for connection to a complementary connector, not shown.
  • the coupling means 9 will at all times cover the projecting portion of the shell 16.

Landscapes

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

Claims (6)

  1. Connecteur comportant,
       un contact conducteur (14), une coque conductrice (16) et un isolateur (15) séparant le contact (14) et la coque (16), le connecteur étant caractérisé par un boîtier isolant (8) ayant une clavette intérieure monobloc (31), des rainures respectives (53, 43) de la coque (16) et de l'isolant (15) recevant la clavette monobloc (31), et la coque (16) étant fabriquée en étant emboutie sous la forme d'un cylindre de façon que la rainure (53) s'étende axialement au cylindre et s'ouvre à un côté avant du cylindre.
  2. Connecteur selon la revendication 1, caractérisé par un élément isolant (9) d'accouplement destiné à se déplacer le long d'une partie du boîtier (8) en ajustement serré avec celui-ci jusqu'à une position de rotation tout en étant enclenché avec une seconde partie du boîtier (8).
  3. Connecteur selon la revendication 2, caractérisé en outre par le fait que :
       la première partie (27) peut être déformée vers l'intérieur pendant ledit mouvement de l'élément (9) d'accouplement.
  4. Connecteur selon la revendication 2, caractérisé en outre par le fait que :
       le boîtier (8) recouvre une partie arrière de la coque (16), et l'élément (8) d'accouplement recouvre une partie avant de la coque (16).
  5. Connecteur selon la revendication 1 ou 2, caractérisé en outre par le fait que :
       un manchon conducteur (13) fixé à un blindage conducteur du câble porte contre une partie arrière de la coque (16), et un épaulement (54), tourné vers l'avant, sur la coque (16) fait face à un épaulement (24), tourné vers l'arrière, du boîtier (8).
  6. Connecteur selon la revendication 1 ou 2, caractérisé en outre par le fait que :
       un chapeau extrême isolant (10) recevant le câble est fixé au boîtier (8) et recouvre un côté arrière d'une bride conductrice (12) fixée à un blindage conducteur du câble.
EP91304045A 1990-05-30 1991-05-03 Connecteur isolé et blindé Expired - Lifetime EP0461755B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US53038490A 1990-05-30 1990-05-30
US530384 1990-05-30

Publications (3)

Publication Number Publication Date
EP0461755A2 EP0461755A2 (fr) 1991-12-18
EP0461755A3 EP0461755A3 (en) 1993-08-25
EP0461755B1 true EP0461755B1 (fr) 1996-03-13

Family

ID=24113448

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91304045A Expired - Lifetime EP0461755B1 (fr) 1990-05-30 1991-05-03 Connecteur isolé et blindé

Country Status (4)

Country Link
EP (1) EP0461755B1 (fr)
JP (1) JP2903115B2 (fr)
KR (1) KR910020975A (fr)
DE (1) DE69117807T2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5662495A (en) * 1994-05-23 1997-09-02 Yazaki Corporation Method of connecting shield wire to connector
EP1617524A1 (fr) * 2004-07-14 2006-01-18 Coninvers Elektrotechnische Bauelemente GmbH Connecteur électrique

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3281756A (en) * 1964-08-24 1966-10-25 Amp Inc Coaxial cable connector
FR2413803A1 (fr) * 1977-12-27 1979-07-27 Interlemo Holding Sa Fiche de contact electrique pour cable coaxial blinde
US4362349A (en) * 1980-11-14 1982-12-07 The Bendix Corporation Electrical connector housing with integral retention mechanism
US4444453A (en) * 1981-10-02 1984-04-24 The Bendix Corporation Electrical connector
JPS61201283U (fr) * 1985-06-07 1986-12-17
US4804339A (en) * 1987-09-25 1989-02-14 Amp Incorporated Connector with compressible insulative body
US4985002A (en) * 1988-10-25 1991-01-15 Preh, Elektrofeinmechanische Werke Jakob Preh, Nachf, Gmbh & Co. Shielded circular plug connector

Also Published As

Publication number Publication date
EP0461755A2 (fr) 1991-12-18
EP0461755A3 (en) 1993-08-25
JP2903115B2 (ja) 1999-06-07
DE69117807T2 (de) 1996-10-31
KR910020975A (ko) 1991-12-20
JPH04229575A (ja) 1992-08-19
DE69117807D1 (de) 1996-04-18

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