EP0890203B1 - Connecteur electrique a haute densite - Google Patents

Connecteur electrique a haute densite Download PDF

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Publication number
EP0890203B1
EP0890203B1 EP97915128A EP97915128A EP0890203B1 EP 0890203 B1 EP0890203 B1 EP 0890203B1 EP 97915128 A EP97915128 A EP 97915128A EP 97915128 A EP97915128 A EP 97915128A EP 0890203 B1 EP0890203 B1 EP 0890203B1
Authority
EP
European Patent Office
Prior art keywords
terminals
sections
insulation displacement
termination
housing
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
EP97915128A
Other languages
German (de)
English (en)
Other versions
EP0890203A1 (fr
Inventor
Wayne Samuel Davis
Kenneth Wayne Guyer
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 US08/623,074 external-priority patent/US5766033A/en
Priority claimed from US08/623,030 external-priority patent/US5761805A/en
Application filed by Whitaker LLC filed Critical Whitaker LLC
Publication of EP0890203A1 publication Critical patent/EP0890203A1/fr
Application granted granted Critical
Publication of EP0890203B1 publication Critical patent/EP0890203B1/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
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H01R43/24—Assembling by moulding on contact 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
    • 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
    • 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
    • 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
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base

Definitions

  • the present invention relates to the field of electrical connectors and more particularly to high density connectors.
  • connectors known in which a plurality of terminals are disposed in rows of respective passageways of an insulative housing, with contact sections exposed along a mating face of the connector, and the terminals are terminated to respective conductors at termination sections along a rear face of the housing.
  • One such connector is disclosed in U.S. Patent No. 3,760,335 wherein the terminals are inserted into the respective passageways prior to being terminated to respective conductors, and are arranged in two rows. Once loaded into the passageways, the termination sections of the two rows of terminals are exposed along opposite sides of the housing for termination.
  • the termination sections are of the type known as insulation displacement (IDC), wherein a pair of parallel axially spaced plate sections traverse the conductor's path and defines a pair of slots between pairs of opposed beams; as the insulated wire is urged into the slots from beside the terminal, the beam edges cut through the insulation layer and engage and compress against the conductor to establish a pair of electrical connections between the terminal and the conductor.
  • Insulative covers are utilized to simultaneously urge all the conductors of respective rows into their slots for termination while maintaining the appropriate spacing between the conductors, and thereafter become latched to the connector housing to protectively cover the terminations and maintain the conductors in the slots.
  • the present invention provides a connector with the features of claim 1.
  • the connector has front contact sections of a plurality of rows of terminals are exposed at the mating face and the termination sections of the terminals are exposed along the same side surface of the connector, for termination to respective conductor wires, where the terminals are molded into the housing.
  • the termination sections are of the insulation displacement (IDC) type, and all conductors may thus be terminated by being urged into the IDC termination sections from the same side of the housing.
  • the IDC termination sections of the at least two rows are staggered axially, so that the row farther from the side of the connector from which the conductors will be urged into the slots for termination, is positioned rearwardly from the IDC termination sections in the nearer row to provide a clearance for conductor termination. Additional rows could be provided with similar staggering. Within a row the IDC termination sections of adjacent terminals may be spaced axially to provide clearance from the next adjacent ones enabling close lateral spacing between terminals for greater density.
  • the housing is molded using a mold apparatus having first and second mold halves reciprocally movable together to define a mold cavity therebetween.
  • the terminals may be molded in place within the connector housing in a manner exposing the IDC termination sections for eventual conductor termination, and also exposing the contact sections along the mating face, while body sections of the terminals are embedded within the housing, a manufacturing technique generally known. Core pins are utilized to engage the body sections of the terminals during molding for positional stability.
  • the core pins for both the first and second rows extend from the same, or first, side of the mold, and portions of the second side of the mold also engage and support the terminals of the first and second rows to assure that the terminals are retained precisely in position.
  • the terminals of that row nearer the first side of the mold are formed to define lateral offsets in their body sections enabling the core pins to pass by the terminals of that row to reach the terminals of another row positioned in vertical alignment therewith.
  • Termination covers preferably are used to provide protective insulative covering of the terminations and to thereafter maintain the conductors in the slots.
  • connector 10 is seen having an insulative housing 12 and a shell member 14 therearound, extending from a mating face 16 to a rear face 18, and having a termination face 20.
  • a plurality of conductor wires 22 extends to a first or lower row of terminals along termination face 20, and a plurality of conductor wires 24 similarly extends to a second or upper row of terminals.
  • First and second termination covers 26,28 are seen in FIG. 2 about to be utilized to cover the wires after being urged into the insulation displacement termination sections 32,34,36,38 at rearward ends of terminals 40,42 of the lower row and terminals 44,46 of the upper row.
  • FIG. 2 also shows the shell member 14 providing a shroud 48 surrounding the mating face 16, with front contact sections 50,52 of the lower and upper rows of terminals disposed along a support wall 54 of housing 12 and exposed within large cavities 56,58 for mating with corresponding contacts of a mating connector (not shown).
  • Shell member 14 also is shown to include a flange 60 for holding fasteners such as jackscrews for securing a mating connector to connector 10, or for fastening of a backshell (not shown), or both, or for mounting to a panel.
  • a cable tie support 62 extends rearwardly from a bottom wall 64 of shell member 14 around which a cable tie would be applied to secure the plurality of wires 22,24 to the connector for strain relief.
  • downwardly facing ledges 66,68 along the side of the housing 12 cooperating with inwardly directed latching projections (FIG. 9) of latch arms 70,72 of the termination covers 26,28 enabling latching of the termination covers to the housing.
  • molding of housing 12 is represented, with lower and upper mold halves 74,76 defining the mold cavity when together.
  • terminals 40,42,44,46 are to be embedded within the insulative housing with only certain sections of the terminals exposed for electrical connection, namely, front contact sections 50,52 and IDC termination sections 32,34,36,38. It is imperative in the connector for the terminals to be securely held during the molding process precisely in predetermined positions, since the molding process involves the injection of molten plastic resin into the mold cavity under high pressure.
  • the halves of the mold apparatus are seen to engage the terminals at their exposed contact sections and IDC termination sections, which generally is conventional in insert molding.
  • IDC termination sections 32,34,36,38 are disposed in a close fit within slots 78 of the upper mold half, and front contact sections 50,52 are engaged therealong by surfaces 80 of the upper mold half within grooves 82, which is conventional in insert molding.
  • the front ends 84 of the front contact sections are supported by core pins 86 that, in cooperation with mold surfaces 80, firmly grasp the front contact sections from opposed sides thereof.
  • the upper and lower mold halves similarly support rearward portions of the terminals. Terminal support of the terminals is accomplished by ribs 88 of upper mold half 76 that abut upper surfaces of all terminals intermediate between the forward and rearward ends thereof, preferably ribs 88 are profiled to provide shallow grooves 90 within which the terminals are seated to prevent any lateral movement during molding.
  • Lower mold half 74 includes arrays of core pins 92,94 that extend into the mold cavity for their tips 96,98 to support rearward ends of the terminals adjacent the IDC termination sections, and in cooperation with slots 78 and ribs 88 of upper mold half 76 firmly grasp the rearward ends of the terminals therebetween.
  • Vestigial holes 100,102,104 and slots 106 remain in the housing after molding. Latch projections 110 are seen that latch into windows 112 of shell member 14 (FIGS. 1 and 2) upon assembly.
  • Terminals 40,42,44,46 are seen in FIGS. 5 to 8, illustrating first contact sections 50,52 and IDC termination sections 32,34,36,38 having IDC slots 114 between pairs of beams 116 (best seen in FIGS. 11 and 12) for later receipt of respective insulated wires to be urged thereinto.
  • Terminals 40 and 42 of the lower row preferably are stamped and formed together on carrier strips 118,120 as are terminals 44 and 46 of the upper row, to maintain precise spacing and for convenience of handling during molding of housing 12.
  • carrier strips 118,120 are severed at notches 122,124 prior to insert molding, with the thin tips 126,128 of front contact sections 50,52 preferably defining a chamfered surface adjacent the top surface as a lead-in to facilitate mating with mating contacts during connector mating.
  • the terminals of the two rows further are preferred to have vertical offsets 130,132 along intermediate portions diverging in opposing directions allowing a wide "window" between the upper and lower rows to facilitate the flow of molten resin laterally between the two rows of terminals.
  • terminals 40 of the lower row are positioned directly beneath terminals 44 of the upper row, with terminals 42 and 46 being likewise positioned.
  • lateral offsets 134 are formed in terminals 40 and 42 of the lower row permitting portions of core pins 94 to pass them to reach and engage terminals 44,46 directly above them for support thereof during the insert molding process.
  • core pins 94 include shoulders 136 supporting lower terminals 40,42 spaced forwardly from their IDC termination sections 32,34 that are supported by core pins 92, thus preventing intermediate portions of terminals 40,42 to bow during molding.
  • molded housing 12 is seen to have a lower tier of IDC termination sections 32,34 for terminals 40,42 and an upper tier of IDC termination sections 36,38 for terminals 44,46.
  • Channels 138 are defined for receipt of conductor wires therealong forwardly and rearwardly of the IDC termination sections.
  • Termination covers 26,28 each include a wire face 140 having grooves 142 therealong within which the conductor wires are disposed when the covers are latched to housing 12, with latch arms 70,72 of termination covers 26,28 defining latching projections 144 that latch under ledges 66,68 of housing 12 recessed along both sides thereof.
  • Termination may be performed in sequence with wires 22 first being urged into IDC termination sections of the lower tier, and then wires 24 into IDC sections of the upper tier; the covers may be placed with upper cover 28 being latched into position, followed by lower cover 26 being worked between the rows of upper wires 24 and lower wires 22 and then latched, especially if wires 22,24 are in twisted pairs extending from a common cable (not shown).
  • Bottom wall 64 of shell member covers the vestigial holes 94,96, while the termination covers 26,28 effectively close off the slots 106 formed during molding.
  • Four-row connector 200 includes a pair of housings 202 sandwiched together within a common shell member 204, presenting four rows of terminal front contact sections 206,208,210,212 along two housing blades 214,216 of the mating face disposed within shroud 218.
  • Four tiers of IDC termination sections 220,222,224,226 are seen along the rearward end, with the IDC termination sections of each housing 202 facing opposed directions for termination to wires 228 as described above with respect to connector 12 of FIGS. 1 to 12.
  • the present invention provides for a connector having for example sixty-eight terminals presenting thirty-four front contact sections along each side of the forward housing section, the terminals of the two rows being vertically aligned with their centerlines spaced apart a distance of 0.8 mm.
  • the centerlines of the conductor wires are similarly spaced apart a distance of 0.8 mm, and the IDC termination sections may each be about 0.97 mm wide, with the tiers being vertically staggered about 1.3 mm.
  • the terminals have a thickness of about 0.25 mm, a width generally of about 0.44 mm, and lengths of between about 9.3 mm and 16.6 mm.
  • each housing is about 33.9 mm adjacent the mounting flange 60 of shell member 14; its height is about 5.2 mm adjacent the mounting flange; and its length is about 18.1 mm, all defining a very compact, high density connector having sixty-eight terminals in two rows of thirty-four each.
  • the connector assembly may have potting material disposed around the connector rearwardly from the mounting flange of the shell member, embedding the IDC termination sections, the wires and the termination covers for sealing thereof, if desired. Further, if desired a backshell may be affixed over the connector and an adjacent portion of the cable, rearwardly of the flange of the shell member.
  • the insert molding process described hereinabove can be used, of course, where the terminals are not necessarily to be terminated to wires with insulation displacement, and can also be used for connectors having more than two rows of terminals.
  • the present invention may include more than two rows of terminals with respective tiers of insulation displacement sections.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Abstract

Un connecteur électrique (10) comprend un logement (12) moulé autour de parties de corps d'une pluralité de bornes (40, 42, 44, 46) disposées en premières et secondes rangées. Les bornes présentent des sections de connexion à dénudation (32, 34, 36, 38) destinées aux fils respectifs (22, 24) à introduire dans ces dernières par les couvercles de connexion (26, 28). Toutes les sections de connexion à auto-dénudation s'étendent dans une direction commune à partir d'un côté du logement (12), et celles (32, 34) de la première rangée sont étagées vers l'arrière à partir de celles (36, 38) de la seconde rangée afin de faciliter l'insertion des fils. Le procédé de moulage consiste à ménager des pointes centrales (92, 94) destinées à porter les bornes à partir d'une moitié (74) des moitiés de moule, et des bornes inférieures (40, 42) présentent des décalages latéraux (134) permettant le passage des pointes centrales (94) afin d'atteindre les bornes supérieures (44, 46) alignées verticalement avec ces dernières

Claims (6)

  1. Connecteur électrique (10) du type comportant plusieurs bornes (40, 42, 44, 46) raccordées à des fils conducteurs électriques (22, 24) par auto-dénudation (par déplacement d'isolation), le connecteur comportant un boítier isolant (12) comportant une face d'accouplement (16) et une face arrière (18), les plusieurs bornes les traversant étant agencées dans au moins deux rangées, chaque borne (40, 42, 44, 46) comportant une section de contact avant (50, 52) au niveau de la face d'accouplement (16) et une section à auto-dénudation (32, 34, 36, 38) au niveau de l'extrémité arrière correspondante, les sections à auto-dénudation de chaque borne s'étendant transversalement à partir d'une section de corps de la borne, caractérisé en ce que:
       les sections à auto-dénudation (32, 34, 36, 38) des bornes des au moins deux rangées s'étendent vers l'extérieur à partir de la même surface latérale dudit boítier isolant (12), de sorte à être exposées le long d'un côté commun dudit boítier (12), le côté commun définissant ainsi une face de raccordement (20) pour des fils conducteurs respectifs (22, 24) devant être insérés dans des rentes correspondantes (114), latéralement par rapport à ladite face de raccordement (20), et en ce que ledit boítier isolant est moulé autour des sections de corps desdites bornes (40, 42, 44, 46), d'une manière exposant lesdites sections de contact avant et lesdites sections à auto-dénudation (32, 34, 36, 38).
  2. Connecteur électrique (10) selon la revendication 1, caractérisé en outre en ce que lesdites sections à auto-dénudation (32, 34 et 36, 38) de bornes adjacentes desdites bornes (40, 42 et 44, 46) dans une dite rangée sont décalées axialement.
  3. Connecteur électrique (10) selon l'une des revendications 1 ou 2, caractérisé en outre en ce que ladite face de raccordement (20) englobe des canaux de réception de conducteurs (138), alignés avec des sections respectives desdites sections à auto-dénudation (32, 34, 36, 38) desdites bornes.
  4. Connecteur électrique (10) selon l'une quelconque des revendications 1 à 3, caractérisé en outre en ce que lesdites sections à auto-dénudation (32, 34, 36, 38) desdites bornes de chaque dite rangée sont agencées dans un ensemble décalé axialement par rapport à un tel ensemble de chaque dite autre rangée, chaque dit ensemble étant agencée dans des couches décalées verticalement le long de ladite face de raccordement (20) dudit boítier (12).
  5. Connecteur électrique (10) selon l'une quelconque des revendications 1 à 4, caractérisé en outre en ce qu'un couvercle de raccordement (26, 28) est associé à chaque dit ensemble de sections à auto-dénudation (32, 34 et 36, 38), et est destiné à recouvrir les fils conducteurs (22, 24) qui sont engagés par poussée dans des fentes (114) de sections respectives desdites sections à auto-dénudation et sont fixées audit boítier (12).
  6. Assemblage de connecteur (200) du type comportant une paire de connecteurs électriques selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la paire de connecteurs est agencée dans un élément de coque commun (204), chacun s'étendant avec les sections à auto-dénudation (220, 222, 224, 226) de ses bornes dans des directions opposées à celles de l'autre connecteur de l'assemblage.
EP97915128A 1996-03-28 1997-03-18 Connecteur electrique a haute densite Expired - Lifetime EP0890203B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US08/623,074 US5766033A (en) 1996-03-28 1996-03-28 High density electrical connector
US08/623,030 US5761805A (en) 1996-03-28 1996-03-28 Method of making a high density electrical connector
US623074 1996-03-28
PCT/US1997/004225 WO1997036351A1 (fr) 1996-03-28 1997-03-18 Connecteur electrique a haute densite
US623030 2009-11-20

Publications (2)

Publication Number Publication Date
EP0890203A1 EP0890203A1 (fr) 1999-01-13
EP0890203B1 true EP0890203B1 (fr) 2001-06-06

Family

ID=27089355

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97915128A Expired - Lifetime EP0890203B1 (fr) 1996-03-28 1997-03-18 Connecteur electrique a haute densite

Country Status (6)

Country Link
EP (1) EP0890203B1 (fr)
JP (1) JP2000507384A (fr)
KR (1) KR100473296B1 (fr)
CN (1) CN1214805A (fr)
DE (1) DE69705115T2 (fr)
WO (1) WO1997036351A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4198342B2 (ja) * 2001-08-24 2008-12-17 日本圧着端子製造株式会社 シールドケーブルの電気コネクタ、そのコネクタ本体及びこの電気コネクタの製造方法
DE10227602B4 (de) * 2002-06-20 2017-06-22 Lisa Dräxlmaier GmbH Verfahren zur Herstellung eines Steckverbinders für Flachleiter
JP4374288B2 (ja) * 2004-04-19 2009-12-02 ケル株式会社 電線圧接型コネクタ
US7347717B2 (en) * 2006-04-12 2008-03-25 Illinois Tool Works Insulation displacement system
KR100939194B1 (ko) * 2007-12-28 2010-01-28 케이. 에이. 이 (주) 이동통신단말기용 소켓 커넥터
TWI706606B (zh) * 2014-12-01 2020-10-01 新加坡商安姆芬諾爾富加宜（亞洲）私人有限公司 電連接器之整理器
CN111509436B (zh) * 2020-05-07 2021-04-30 泰州市航宇电器有限公司 一种阶梯排布刺破接线的多芯连接器
JP7480073B2 (ja) 2021-01-25 2024-05-09 ヒロセ電機株式会社 インサート成形された端子を備えるコネクタ

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4954872A (en) * 1988-04-29 1990-09-04 Altair International, Inc. Electrical contact stabilizer assembly
JP3078616B2 (ja) * 1991-08-30 2000-08-21 ケル株式会社 プラグコネクタおよびその製造方法
US5358424A (en) * 1993-08-11 1994-10-25 Molex Incorporated Electrical connector for high density ribbon cable
JP2942979B2 (ja) * 1994-11-21 1999-08-30 モレックス インコーポレーテッド 電気コネクタ

Also Published As

Publication number Publication date
EP0890203A1 (fr) 1999-01-13
WO1997036351A1 (fr) 1997-10-02
CN1214805A (zh) 1999-04-21
DE69705115T2 (de) 2001-11-15
KR19990087828A (ko) 1999-12-27
DE69705115D1 (de) 2001-07-12
KR100473296B1 (ko) 2005-08-24
JP2000507384A (ja) 2000-06-13

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