EP0606739B1 - Abgeschirmter elektrischer Verbinder - Google Patents

Abgeschirmter elektrischer Verbinder Download PDF

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Publication number
EP0606739B1
EP0606739B1 EP93310063A EP93310063A EP0606739B1 EP 0606739 B1 EP0606739 B1 EP 0606739B1 EP 93310063 A EP93310063 A EP 93310063A EP 93310063 A EP93310063 A EP 93310063A EP 0606739 B1 EP0606739 B1 EP 0606739B1
Authority
EP
European Patent Office
Prior art keywords
block
electrical connector
backshells
shielded electrical
recited
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
EP93310063A
Other languages
English (en)
French (fr)
Other versions
EP0606739A2 (de
EP0606739A3 (en
Inventor
Wayne Samuel Davis
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
Priority claimed from US08/007,933 external-priority patent/US5273459A/en
Application filed by Whitaker LLC filed Critical Whitaker LLC
Publication of EP0606739A2 publication Critical patent/EP0606739A2/de
Publication of EP0606739A3 publication Critical patent/EP0606739A3/en
Application granted granted Critical
Publication of EP0606739B1 publication Critical patent/EP0606739B1/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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6582—Shield structure with resilient means for engaging mating connector
    • H01R13/6583—Shield structure with resilient means for engaging mating connector with separate conductive resilient members between mating shield members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/60—Contacts spaced along planar side wall transverse to longitudinal axis of 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
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/516—Means for holding or embracing insulating body, e.g. casing, hoods
    • 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
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2107/00—Four or more 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
    • 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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot

Definitions

  • the field of the invention pertains to a shielded electrical connector having a shielding shell according to the preamble of claim 1.
  • a shielded electrical connector having a shielding shell according to the preamble of claim 1.
  • Such a connector is, for example, disclosed in US-A-4 653 836.
  • a shielded electrical connector comprising; a terminal support block, contact terminals supported on the block for connection to wires, and shielding for the connector comprising; a mating end on a front shell encircling a mating end of the terminal support block, and conductive backshells enveloping the block.
  • the backshells and front shell are assembled by hooks passing through slots in the front shell. Compression beams near the hooks pressed against the front shell to establish electrical continuity between the front shell and the backshells.
  • the components for example, the terminal support block and the housing and the front shell are separate components, manufactured with dimensions that vary within a permitted range of dimensional tolerances. These tolerances allow the components to interfit when combined together in a connector. These tolerances accumulate when the components are combined, and allow the components to shift their positions relative to one another in an assembled connector. Shifting of the components is especially detrimental when the connector undergoes mating connection with another, mating electrical connector. Such shifting, which occurs during mating connection, tends to move the terminal support block rearwardly with respect to the mating ends of both the housing and the front shell. The contact terminals supported on the block move rearwardly with the block during mating connection.
  • Rearward movement of the contact terminals is not desired during mating connection, since rearward movement of the contact terminals tends to disconnect the connector from another, mating electrical connector. Furthermore, during mating connection, the contact terminals undergo desired contact wiping to dislodge nonconductive oxides and other contaminants that would contribute to an undesired voltage drop across the surfaces of the contact terminals.
  • the contact wiping occurs when the contacts of the connector stroke against mating contacts of another, mating electrical connector, as the connectors undergo mating connection. The stroke is reduced when the contact terminals move rearwardly. Consequently, the contact wiping is reduced when the terminals move rearwardly due to shifting of the components.
  • the present invention provides a shielded electrical connector as defined in claim 1. Accordingly, one of the backshells pushes against the terminal block, and urges the terminal block forwardly, such that a mating end of the terminal block is accurately positioned with the mating end of the front shell.
  • components of an electrical connector can be assembled in such a manner as to resist shifting of the components when the electrical connector undergoes mating connection with another, mating electrical connector.
  • a shielded plug type connector 19 comprises an insulative cable terminating section 20 for terminating insulated wires 21 of a shielded multiple wire cable 22 , Figure 2, and an insulative plug connector section 24 projecting forwardly for mating with a shielded receptacle type connector, not shown.
  • the plug connector section 24 includes a forwardly protruding terminal support block 41 supporting multiple contact terminals 51 having wire terminating portions 55 , Figures 3 and 4, for connection to the wires 21.
  • Conductive electrical shielding is provided by a unitary drawn metal front shell 6 and an upper metal backshell 12 and a lower metal backshell 14 .
  • the shell 6 defines a cavity encircled by an upper wall 46 and a lower wall 48 and sidewalls 40 that are angled toward each other.
  • Laterally extending slots 50 are provided in the walls 46 and 48 adjacent to a back lip providing a strip shaped bearing member 118 bridging across the back of the slots 50.
  • the backshell 12 is of unitary construction stamped and formed from sheet metal.
  • the backshell 12 comprises an upper wall 52 and depending sidewalls 54 providing an inverted channel.
  • an anchoring member 56 for the lower backshell 14.
  • the anchoring member 56 comprises, an upper wall 60 and depending side walls 62 defining an inverted channel.
  • a recess 64 is formed as a deep depression in the upper wall 60.
  • a plate 66 is offset from the plane of the wall 52 and extends forwardly.
  • a pair of forward extending tabs 68 project from a front edge 70 of the plate 66.
  • a curved, pivot hook 72 projects from the forward edge 70 between the tabs 68.
  • the backshell 14 is of unitary construction stamped and formed from sheet metal.
  • the backshell 14 comprises a lower wall 74 and upstanding sidewall sections 76 , 78 defining a channel. Laterally outward turned flanges 114 are on front ends of the sidewall sections 76, 78.
  • a plate 82 is offset from the plane of the wall 74 and extends forwardly.
  • From a rear edge 84 of the backshell 14 projects a cable strain relief member 86 comprising a lower wall 88 and upstanding anchoring flanges 90 the tips of which are tapering portions 92 .
  • Forward of a front edge 94 project tabs 68 and a pivot hook 72, similar in construction as described in conjunction with the backshell 12.
  • a rear projecting bumper 43 bridges laterally and extends across a rear end of the terminal support block 41.
  • the bumper 43 can be made integral with the support block 41, for example, by molding a dielectric material.
  • the bumper 43 juts outwardly in opposite lateral directions from the wires 21 that extend over the bumper 43.
  • the bumper 43 has a tapered rear edge intersecting a central axis of the terminal support block 41 of the connector 19.
  • the back shell 12 comprises a set of front pushing arms 15 on front facing edges on respective sidewalls 54.
  • the pushing arms 15 are fabricated by indenting the front facing edges to stiffen them.
  • the pushing arms 15 engage the tapered edge on the rear facing bumper 43, where the bumper 43 juts out laterally beyond the wires 21, urging the connector 19 forwardly with respect to the backshell 12 and with respect to the front shell 6.
  • the pushing forces are exerted axially and through a middle of the connector 19.
  • a high mechanical advantage is achieved when pivoting the backshell 12 by hand about the pivot hook 72, because the length of the backshell 12 to the pivot hook 72 is a multiple of the shorter distance between the pushing arms 15 and the pivot hook 72.
  • a set of rear pushing arms 16 juts laterally outward from both sidewalls 54.
  • the pushing arms 16 are fabricated by indenting the sidewalls 54 by punching outward the sidewalls 54 to provide sheared front edges 17 facing forwardly and engaging against rearward facing edges 18 of the backshell 14.
  • the edges 18 are formed at the edges of vertical slots 23 having open ends to receive the pushing arms 16 when the backshell 12 is pivoted toward the backshell 14. With reference to Figures 3 and 4, when the backshell 12 is pivoted, the pushing arms 16 enter the slots 23 and impinge against the edges 18, urging the backshell 14 forwardly, such that the flanges 114 are urged forward to engage against a rear of the flange 42.
  • the anchoring flanges 90 are wrapped over the anchoring member 56 and enter the recess 64 to secure together the backshells 12 and 14, and to grip the cable 22 and provide a cable strain relief.
  • the terminal support block 41 is a separate component, as are each of the front shell 6 and an insulative housing 61 shaped to be received in, and to be surrounded by, the front shell 6.
  • the housing 61 has a rear facing cavity 71 , Figure 6, to receive a front end of the terminal support block 41.
  • the contact terminals 51 project forwardly from the front end of the terminal support block 41 and are supported against a tongue 75 on the housing 61.
  • Resilient clamping fingers one being shown at 44 , formed unitarily with and on the front of the terminal support block 41, hook onto undercut recesses 63 , one being shown, in the housing 61 to prevent separation of the terminal support block 41 and the housing 61.
  • resilient fingers one being shown at 65 , on the front shell 6 project obliquely toward a front mating end 67 of the front shell 6, and register in undercut recesses, one shown at 69 , in the housing 61 to prevent removal of the front shell 6 from the housing 61.
  • a mating end 73 of the housing 61 is encircled by the mating end 67 of the front shell 6.
  • the front shell 6, the terminal support block 41 and the housing 61 are manufactured with dimensions that are within a range of permitted dimensional tolerances. These tolerances allow the components to interfit when they are assembled or combined together in a connector. These tolerances become cumulative when the components are combined, and allow the components to shift their positions relative to one another in an assembled connector. The tolerances permit the fingers 65 to shift, front to rear, within the recesses 69. Thus, the front shell 6, the housing 61 and the terminal support block 41 are components that tend to shift their positions undesireably relative to one another in an assembled connector 19.
  • Shifting of the components is especially detrimental when the connector 19 undergoes mating connection with another, mating electrical connector, not shown. Such shifting, which occurs during mating connection, tends to move the terminal support block 41 rearwardly with respect to the mating ends 67 of both the housing 61 and the front shell 6.
  • the contact terminals 51 supported on the block 41 move rearwardly with the block 41 during mating connection. Rearward movement of the contact terminals 51 is not desired during mating connection, since rearward movement of the contact terminals 51 tends to disconnect the connector 19 from another, mating electrical connector, not shown.
  • the contact terminals 51 undergo desired contact wiping to dislodge nonconductive oxides and other contaminants on the surfaces of the contact terminals 51 that would contribute to an undesired voltage drop across the surfaces of the contact terminals 51.
  • the contact wiping occurs when the contact terminals 51 stroke against mating contacts of another, mating electrical connector, during mating connection. The stroke is reduced when the contact terminals 51 move rearwardly. Consequently, the contact wiping is reduced when the contact terminals 51 move rearwardly due to shifting of the components.
  • the components of the electrical connector 19 are assembled in such a manner to resist shifting of the components when the electrical connector 19 undergoes mating connection with another, mating electrical connector, not shown.
  • An advantage of the invention resides in a backshell 12 that urges components of the connector 19 forwardly to resist insertion forces during mating connection with another, mating connector.
  • Another advantage of the invention resides in an electrical connector 19 constructed from separate components that assure mating ends of the components attain predicted positions relative to a mating end of the connector 19.

Landscapes

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

Claims (9)

  1. Abgeschirmter elektrischer Verbinder mit einem Klemmentragblock (41), wobei an dem Block Kontaktklemmen (51) zur Verbindung mit Leitern getragen werden, einer rückwärtigen Prellvorrichtung (43), die den Block überbrückt und sich seitlich über die Leiter hinaus erstreckt, und leitfähigen hinteren Schalen (12, 14), die den Block einhüllen, wobei der Verbinder dadurch gekennzeichnet ist, daß:
       an einer der hinteren Schalen (12, 14) Schiebearme (15) vorgesehen sind, die die Prellvorrichtung in Eingriff nehmen und den Block (41) vor die eine hintere Schale (12) drängen and ein vorderes Steckende des Blocks (41) in eine am weitesten vorne gelegene Position relativ zu einem vorderen Steckende einer leitfähigen vorderen Schale (6) drängen, die den Block umgibt und mit den hinteren Schalen (12) in Drehverbindung steht.
  2. Abgeschirmter elektrischer Verbinder nach Anspruch 1, gekennzeichnet durch ein Gehäuse (61), das den Block (41) umgibt, wobei der Block mit dem Gehäuse verbunden ist, und wobei die Schiebearme (15) die Prellvorrichtung (43) in Eingriff nehmen und den Block (41) drängen, an das Gehäuse (61) zu prallen und ein vorderes Steckende des Gehäuses (61) in eine am weitesten vorne gelegene Position relativ zu dem vorderen Steckende der vorderen Schale (6) zu drängen.
  3. Abgeschirmter elektrischer Verbinder nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Schiebearme (15) durch mit Vertiefungen versehene nach vorne gewandte Kanten an einer der hinteren Schalen (12, 14) gebildet werden.
  4. Abgeschirmter elektrischer Verbinder nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß die Prellvorrichtung (43) einen eine mittlere Achse des Blocks (41) schneidenden Teil des Blocks (41) umfaßt.
  5. Abgeschirmter elektrischer Verbinder nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Prellvorrichtung (43) eine von den Schiebearmen (15) in Eingriff genommene, nach hinten weisende konusförmige Kante aufweist.
  6. Abgeschirmter elektrischer Verbinder nach einem der vorhergehenden Ansprüche, gekennzeichnet durch einen Satz zweiter Schiebearme (16) an einer der hinteren Schalen (12, 14), die an nach hinten weisenden Kanten (18) einer zweiten der hinteren Schalen (12, 14) angreifen, wobei ein Flansch (114) an dem zweiten der hinteren Schalen durch den Satz von Schiebearmen (16) nach vorne gegen eine Rückseite eines Flansches (42) an der leitfähigen vorderen Schale (6) gedrängt wird.
  7. Abgeschirmter elektrischer Verbinder nach Anspruch 6, gekennzeichnet durch Schlitze (23) an der zweiten hinteren Schale (14), die offene Enden aufweisen zum Aufnehmen des Satzes von zweiten Schiebearmen (16), wenn die erste hintere Schale (12) in Richtung der zweiten hinteren Schale (14) gedreht wird.
  8. Abgeschirmter elektrischer Verbinder nach Anspruch 7, dadurch gekennzeichnet, daß die nach hinten weisenden Kanten der Schlitze (23) von dem Satz zweiter Schiebearme (16) in Eingriff genommen werden.
  9. Abgeschirmter elektrischer Verbinder nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß Teile der hinteren Schalen (12, 14) aneinander befestigt sind, wodurch eine Kabelzugentlastung (56, 90) für mit den Kontaktklemmen (51) verbundenen Adern (21) gebildet wird.
EP93310063A 1993-01-15 1993-12-14 Abgeschirmter elektrischer Verbinder Expired - Lifetime EP0606739B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US4859 1979-01-19
US7933 1979-01-31
US485993A 1993-01-15 1993-01-15
US08/007,933 US5273459A (en) 1992-10-01 1993-01-25 Connector feature for improved contact wiping

Publications (3)

Publication Number Publication Date
EP0606739A2 EP0606739A2 (de) 1994-07-20
EP0606739A3 EP0606739A3 (en) 1995-11-08
EP0606739B1 true EP0606739B1 (de) 1998-07-29

Family

ID=26673590

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93310063A Expired - Lifetime EP0606739B1 (de) 1993-01-15 1993-12-14 Abgeschirmter elektrischer Verbinder

Country Status (5)

Country Link
EP (1) EP0606739B1 (de)
JP (1) JP3097891B2 (de)
CN (1) CN1039563C (de)
BR (1) BR9400101A (de)
DE (1) DE69320019T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5700164A (en) * 1995-06-16 1997-12-23 The Whitaker Corporation Electrical connector with shield
GB2330022B (en) * 1996-07-18 1999-08-18 Richard Drewnicki Electrical connectors
US5980325A (en) 1998-07-30 1999-11-09 Berg Technology, Inc. Micro miniature electrical connector and method of manufacture
EP1170828B1 (de) 2000-07-06 2012-01-11 Yazaki Corporation Schutzdeckel
JP4278674B2 (ja) * 2006-10-17 2009-06-17 ヒロセ電機株式会社 電気コネクタ
DE502007003843D1 (de) 2007-03-30 2010-07-01 Siemens Ag Bus-Steckverbinder mit mindestens zwei Kabelanschlüssen für Busleitungen
JP4972174B2 (ja) * 2009-04-16 2012-07-11 ヒロセ電機株式会社 電気コネクタ組立体
DE102011054563B3 (de) 2011-10-18 2013-01-24 HARTING Electronics GmbH Steckverbinder
CN107546539A (zh) * 2016-06-29 2018-01-05 永泰电子（东莞）有限公司 屏蔽壳体组合及其线缆连接器
JP6745043B2 (ja) * 2017-02-03 2020-08-26 株式会社オートネットワーク技術研究所 シールド端子
JP6757497B2 (ja) * 2017-02-03 2020-09-23 株式会社オートネットワーク技術研究所 シールド端子
JP6745044B2 (ja) 2017-02-03 2020-08-26 株式会社オートネットワーク技術研究所 シールド端子
CN107863639B (zh) * 2017-11-09 2024-02-06 深圳市深台帏翔电子有限公司 电连接器
JP7211301B2 (ja) * 2019-08-09 2023-01-24 株式会社オートネットワーク技術研究所 コネクタ

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4337989A (en) * 1980-05-28 1982-07-06 Amp Incorporated Electromagnetic shielded connector
US4653836A (en) * 1983-07-06 1987-03-31 Amp Incorporated Shielded electrical connector
JPH0722064Y2 (ja) * 1989-12-04 1995-05-17 ホシデン株式会社 コネクタ
US5158481A (en) * 1991-09-27 1992-10-27 Amp Incorporated Shielded electrical connector with torsioned shield interconnect

Also Published As

Publication number Publication date
EP0606739A2 (de) 1994-07-20
CN1093496A (zh) 1994-10-12
BR9400101A (pt) 1994-08-02
JPH07254454A (ja) 1995-10-03
CN1039563C (zh) 1998-08-19
EP0606739A3 (en) 1995-11-08
DE69320019T2 (de) 1998-12-17
DE69320019D1 (de) 1998-09-03
JP3097891B2 (ja) 2000-10-10

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