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EP0144128B1 - Connecteur avec des terminaux plats étampés - Google Patents

Connecteur avec des terminaux plats étampés Download PDF

Info

Publication number
EP0144128B1
EP0144128B1 EP84306774A EP84306774A EP0144128B1 EP 0144128 B1 EP0144128 B1 EP 0144128B1 EP 84306774 A EP84306774 A EP 84306774A EP 84306774 A EP84306774 A EP 84306774A EP 0144128 B1 EP0144128 B1 EP 0144128B1
Authority
EP
European Patent Office
Prior art keywords
contact
terminal
mounting portion
cavity
projections
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
EP84306774A
Other languages
German (de)
English (en)
Other versions
EP0144128A2 (fr
EP0144128A3 (en
Inventor
Cor Van Tilburg
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.)
TE Connectivity Corp
Original Assignee
AMP Inc
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 AMP Inc filed Critical AMP Inc
Priority to AT84306774T priority Critical patent/ATE49828T1/de
Publication of EP0144128A2 publication Critical patent/EP0144128A2/fr
Publication of EP0144128A3 publication Critical patent/EP0144128A3/en
Application granted granted Critical
Publication of EP0144128B1 publication Critical patent/EP0144128B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/72Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • H01R12/727Coupling devices presenting arrays of contacts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/10Sockets for co-operation with pins or blades
    • H01R13/11Resilient sockets
    • H01R13/112Resilient sockets forked sockets having two legs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/405Securing in non-demountable manner, e.g. moulding, riveting
    • H01R13/41Securing in non-demountable manner, e.g. moulding, riveting by frictional grip in grommet, panel or base
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/18Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing bases or cases for contact members

Definitions

  • This invention relates to multi-contact electrical connectors and particularly to connectors having receptacle contacts which are of flat stamped sheet metal.
  • High quality multi-contact electrical connectors are usually provided with cylindrical receptacle contacts in the receptacle portion and cylindrical pins in the plug portion.
  • the pins and sockets may be either solid screw machine parts or they may be stampings which have been formed into hollow cylinders as receptacles or pins.
  • Electrical contacts can be produced as flat stampings at considerably lower cost than can cylindrical contacts.
  • flat stamped contacts are used to only a limited extent and they are not ordinarily used for high quality connectors of the pin and socket type where good electrical performance and a high degree of reliability are required.
  • the present invention is directed to the achievement of a multi-contact electrical connector having flat stamped contacts therein which is capable of electrical and mechanical performance which is comparable to that of a high quality pin and socket type connector of the type currently being used.
  • an electrical connector of the type comprising an insulating housing having a mating face, a rear face, and a contact-receiving cavity extending therethrough from the rear face to the mating face, a contact terminal in the cavity, the contact terminal having a mounting portion which is proximate to the rear face and a contact arm which is proximate to the mating face.
  • the electrical connector of the present invention is characterized in that the contact terminal is a flat stamped sheet metal member having oppositely facing major rolled surfaces and oppositely facing side edges, the cavity has opposed sidewalls and opposed endwalls, the oppositely facing major surfaces of the terminal are parallel to the sidewalls, the opposed endwalls each have converging surfaces which intersect to form a V-notch which extends inwardly from the contact receiving face, the side edges of the contact terminal being centered in the roots of the V-notches.
  • the contact arm is twisted with respect to the mounting portion, through an angle of 90° so that the major surfaces of the arm define planes which extend normally of the planes defined by the major surfaces of the mounting portion, the contact arm having side edges which extend along its length and having a width, as measured between its side edges, which is substantially greater than the thickness of the contact terminal as measured between the major surfaces thereof.
  • the cavity has a rear portion which extends inwardly from the rear face and a forward portion which extends inwardly from the mating face, the mounting portion of the terminal being in the rear portion and the contact arm being in the forward portion.
  • a first pair of stabilizing projections extend laterally of the axis of the terminal at a location adjacent to the contact arm and a second pair of stabilizing projections extend laterally of the axis at a location spaced from the contact arm.
  • the second pair of projections extend laterally a greater distance than the first pair of projections whereby during insertion of the terminal into the cavity, the first pair of projections gouge into the grooves and enlarge the grooves, and the second pair of projections also gouge into the grooves, and when the terminal is fully inserted, the mounting portion will be held in the cavity by the projections of both pairs.
  • Figures 1 and 2 show a connector 2 in accordance with the invention which serves to connect compact pins in a complimentary connector to conductors 4 on the lower surface 7 of a circuit board 8.
  • the connector 2 comprises an insulating housing 10 having a mating face 12, a rear face 14, and cavities 16 which extend through the housing from the mating face to the rear face.
  • the housing is of molded insulating material, preferably a thermoplastic which can be deformed slightly when the terminals are inserted in the cavities as will be described below.
  • the housing has integral ears 20 by means of which it is secured to the surface of the circuit board 8, fasteners 22 being provided for this purpose as indicated.
  • the forward portion of the housing has a trapezoidal projection 24 and the mating face 12 is the face of this projection.
  • the connector shown also has sheet metal shielding 26 surrounding the forward portions of the housing.
  • the contact terminals 18 are produced in continuous strip form with each of the terminals being connected to a carrier strip 27, see Figure 3.
  • the terminals are produced as flat stampings having an enlarged central mounting portion 28, an integral solder post portion, and at least one contact arm.
  • the enlarged mounting portion 28 has oppositely facing major surfaces 30, 32 ( Figure 6) which were the rolled surfaces of the strip stock metal from which the terminal was stamped.
  • the mounting portion has upper and lower side edges 34, 36 which are sheared edges and which have a width equal to the thickness of the stock metal.
  • the first pair of retaining projections 38 are provided on the mounting portion adjacent to the left-hand end of this portion of the terminal and these projections 38 extend slightly beyond the adjacent edge portions.
  • a second pair of projections 40 are provided rightwardly of the projections 38 as viewed in Figure 3 and the projections 40 extend slightly beyond the projections 38. These projections assist in retaining the terminal in the cavity as will be explained below.
  • the mounting portion has a rearward edge 42 and a centrally extending post 44 which is twisted as shown in Figure 1 when the terminal is inserted into the housing and the housing is assembled to the circuit board as shown in Figure 2.
  • the post may be soldered to the conductor as shown at 46.
  • a pair of contact arms 48 extend from the left-hand end, as viewed in the drawing, of the mounting portion 28 and these arms are twisted in opposite directions through an angle of substantially 90° as shown at 50 at a location adjacent to the mounting portion.
  • the arms thus have opposed rolled surfaces and a contact zone as shown at 51 is provided on each arm by bending the end portion of the arm as shown at 52.
  • the width of the contact zone is the distance between the side edges 49 of the arms as shown in Figure 3.
  • the contact zones 51 are plated with a contact metal, such as gold, and this plating operation can be carried out when the terminals are in strip form. The gold plating can therefore be provided only in the contact zone of the contact arms thereby reducing the plating costs for the terminal.
  • Each of the cavities 16 has a rear portion 56 which receives the mounting portion 28 of the terminal and a forward portion 58 which receives the contact arms of the terminal.
  • Each cavity has opposed sidewalls 60 which extend from the rear face 14 substantially to the inner end 72 of the cavity which is adjacent face 12. These sidewalls are substantially parallel but are tapered very slightly towards each other in accordance with good molding practice. Inclined lead in surfaces 61 are provided on the sidewalls adjacent to the rear face 14 to guide the terminals into the cavities.
  • Each cavity has opposed end walls, the endwalls having rearward portions 62 and forward portions 70, see Figure 5.
  • the endwalls 62 have convergent surfaces 64 which extend from the sidewalls obliquely towards each other and which intersect to form a groove in the form of a V-notch 66.
  • This V-notch extends to a triangular ramp 68 in each of the endwalls and the endwalls in the forward portion of the cavity are again substantially parallel to each other as shown at 70 in Figure 2.
  • a circular opening 74 is provided in the inner end 72 of the cavity which extends to the mating face 12, this opening merging with a conical surface 76 which serves as a guide surface when a pin is inserted into the opening.
  • the terminals 18 are inserted into the cavities from the rear face 14 (the contact receiving face). This operation is carried out with a contact terminal insertion machine.
  • the twisting of the contact arms provides a flat rolled surface for the contact surfaces 51 of the arms rather than a sheared edge surface as noted above. Also, the contact arms can be relatively wide, significantly wider than the thickness of the metal stock from which the terminal was stamped.
  • the cavity 16 must be of sufficient width as measured between the sidewalls 60, in its rearward portion to permit insertion of the arms therethrough until the terminal is fully inserted.
  • the relatively thin mounting portion 28 must be supported in the relatively wide rearward portion of the cavity.
  • Good support for the terminal is obtained by virtue of the provision of the V-notches 66 and the projections 38, 40 on the mounting portion of the terminal. As the terminal is inserted, the leading projections 38 gouge into the V-notch very slightly and form a furrow.
  • the second projections 40 gouge into the previously formed furrow by a slight additional amount and when the terminal comes to rest, the mounting portion will be held by interference fits in the vicinity of all four projections 38, 40. If the material is a thermoplastic which is capable of some flow, it will tend to flow around the surfaces 30, 32 in the vicinity of the projections 38, 40 and the terminal will be firmly held in the cavity.
  • a further distinct advantage of the form of cavity shown is that during insertion of a terminal into a cavity, it is impossible to align the edges 34, 36 perfectly with the V-notches 66 in the endwalls. However, during the initial stages of insertion and when the projections 38 engage the surface adjacent to the opposed V-notches, the terminal will be slightly reoriented and will find its own center line in the cavity. In other words, the form of the cavity compensates for any slight misalignment of the terminal when insertion is carried out. As a result, the terminal will be precisely located in the cavity in the completed connector.
  • Figure 7 shows a slightly misaligned terminal at the beginning of the terminal inserting operation. As insertion proceeds, the projections will slide over the inclined surfaces 64 until they are sealed in the V-notches 66 in the endwalls.
  • Figure 8 shows the core pin used to produce cavities in the connector, the surfaces of the core pin being identified by the same reference numerals, differentiated by prime marks, as are used in the foregoing description of the cavity.
  • the core pin has pilaster-like projections 78' centrally located on its surfaces 60'. These projections are merely provided for the purpose of strengthening the core pin and they produce the recesses 78 in the cavity shown in Figure 5.
  • Terminals in accordance with the invention can be produced in any desired size and in fact can be manufactured in sizes which are comparable to the sizes of the smallest conventional pin and socket terminals.
  • one embodiment of a terminal in accordance with the invention has an overall length from the tip of the contact arms to the right-hand edge of the mounting portion of the 9.76 mm.
  • the arms have a width of 0.62 mm which is substantially twice the thickness of the mounting portion which is 0.32 mm.
  • Connectors in accordance with the invention can be used in place of connectors having conventional cylindrical sockets which are more expensive to manufacture than the flat stamped terminals 18.
  • the terminals 18 can be inserted into the cavities by an automatic insertion machine at a very fast rate and the terminals will be properly located by virtue of the self-aligning feature illustrated in Figures 7 and 6.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (7)

1. Connecteur électrique (2) du type comprenant un boîtier isolant (10) ayant une face d'accouplement (12), une face arrière (14) et une cavité (16) de réception de contact le traversant de la face arrière jusqu'à la face d'accouplement, une borne (18) de contact dans la cavité, la borne de contact ayant une partie de montage qui est proche de la face arrière et une lame de contact qui est proche de la face d'accouplement, le connecteur étant caractérisé en ce que:
la borne de contact (18) est un élément en métal en feuille, plat et découpé, ayant des surfaces laminées principales (30, 32) tournés dans des directions opposées et des bords latéraux (34, 36) tournés dans des directions opposées,
la cavité (16) ayant des parois latérales opposées (60) et des parois extrêmes opposées (62), les surfaces principales (30, 32), tournées dans des directions opposées, de la borne (18) étant parallèles aux parois latérales (60), les parois extrêmes opposées (62) présentant chacune des surfaces convergentes (64) qui s'interceptent pour former une entaille en V (66) qui s'étend vers l'intérieur à partir de la face (14) de réception de contact, les bords latéraux (34, 36) de la borne de contact (18) étant centrés dans les pieds des entailles en V (66).
2. Connecteur électrique selon la revendication 1, caractérisé en ce qu'une lame de contact (48) est torsadée (50), par rapport à la partie de montage (28), d'un angle de 90° afin que les surfaces principales de la lame définissent des plans qui s'étendent normalement aux plans définis par les surfaces principales (30,32) de la partie de montage (28), la lame de contact (48) ayant des bords latéraux (49) qui s'étendent sur sa longueur. et qui ont une largeur, telle que mesurée entre ses bords latéraux (49), qui est sensiblement supérieure à l'épaisseur de la borne de contact telle que mesurée entre ses surfaces principales (30, 32).
3. Connecteur électrique selon la revendication 1 ou 2, caractérisé en ce que la cavité (16) comporte une partie arrière (56) qui s'étend vers l'intérieur à partir de la face arrière (14) et une partie avant (58) qui s'étend vers l'intérieur à partir de la face d'accouplement (12), la partie de montage (28) de la borne étant dans la partie arrière (56) et la lame de contact (48) étant dans.la partie avant (58).
4. Connecteur électrique selon la revendication 3, caractérisé en ce que la partie de montage comporte une première paire (38) de saillies de stabilisation s'étendant latéralement à l'axe de la borne en un emplacement adjacent à la lame de contact (48) et une seconde paire (40) de saillies de stabilisation s'étendant latéralement à l'axe en un emplacement espacé de la lame de contact (48), la seconde paire (40) de saillies s'étendant latéralement sur une plus grande distance que la première paire (38) de saillies de manière que, durant l'insertion de la borne dans la cavité, la première paire (38) de saillies creusent dans les gorges (64) et élargissent les gorges, et la seconde paire (40) de saillies creusent aussi dans les gorges et, lorsque la borne est totalement insérée, la partie de montage (28) est maintenue dans la cavité par les saillies des deux paires.
5. Connecteur électrique selon l'une quelconque des revendications précédentes, caractérisé en ce que la borne de contact (18) comporte deux lames (48) s'étendant à partir de la partie de montage (28).
6. Connecteur électrique selon l'une quelconque des revendications précédentes, caractérisé en ce que la borne (18) est réalisée d'une seule pièce avec une broche à souder (44) qui s'étend à partir de la partie de montage (28) à la face arrière.
7. Connecteur électrique selon la revendication 5, caractérisé en ce que chacune des lames (48) comporte une partie de contact (51 les parties de contact étant opposées entre elles et étant revêtues d'un métal de contact qui a été déposé sur les parties de contact avant que les lames soient torsadées.
EP84306774A 1983-11-08 1984-10-04 Connecteur avec des terminaux plats étampés Expired - Lifetime EP0144128B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84306774T ATE49828T1 (de) 1983-11-08 1984-10-04 Steckverbinder mit flachen, ausgestanzten kontaktorganen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US54971683A 1983-11-08 1983-11-08
US549716 1983-11-08

Publications (3)

Publication Number Publication Date
EP0144128A2 EP0144128A2 (fr) 1985-06-12
EP0144128A3 EP0144128A3 (en) 1986-12-30
EP0144128B1 true EP0144128B1 (fr) 1990-01-24

Family

ID=24194116

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84306774A Expired - Lifetime EP0144128B1 (fr) 1983-11-08 1984-10-04 Connecteur avec des terminaux plats étampés

Country Status (9)

Country Link
EP (1) EP0144128B1 (fr)
JP (1) JPS60117574A (fr)
AT (1) ATE49828T1 (fr)
BR (1) BR8405670A (fr)
CA (1) CA1226632A (fr)
DE (1) DE3481149D1 (fr)
ES (1) ES292971Y (fr)
IE (1) IE56424B1 (fr)
MX (1) MX156136A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100965368B1 (ko) * 2008-02-27 2010-06-22 치프 랜드 일렉트로닉스 코., 엘티디. 암 커넥터

Families Citing this family (15)

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Publication number Priority date Publication date Assignee Title
JPS63170872A (ja) * 1987-01-09 1988-07-14 住友スリ−エム株式会社 電気コネクタ
US5380221A (en) * 1993-06-18 1995-01-10 The Whitaker Corporation Anchor pin
US5662484A (en) * 1995-08-31 1997-09-02 Etco Incorporated Bridged electrical plug
EP0852828B1 (fr) * 1995-09-27 1999-12-01 Siemens Aktiengesellschaft Ressort de contact pour connecteur multiple
US5971817A (en) * 1995-09-27 1999-10-26 Siemens Aktiengesellschaft Contact spring for a plug-in connector
US5692928A (en) * 1996-05-10 1997-12-02 Molex Incorporated Electrical connector having terminals with improved retention means
DE69728548T2 (de) * 1997-12-17 2005-02-24 Fci Verbinder mit schwimmenden Anschlussklemmen, und Anschlussklemme für einen solchen Verbinder
US6406336B1 (en) 1998-01-20 2002-06-18 Fci Americas Technology, Inc. Contact with anti-skiving feature
KR100564179B1 (ko) * 1998-01-20 2006-03-29 에프씨아이 깎임 방지 특성을 갖는 접촉자
JP3354902B2 (ja) 1999-06-25 2002-12-09 エヌイーシートーキン株式会社 コネクタ用コンタクトおよびその製造方法
DE10027125A1 (de) * 2000-05-31 2001-12-06 Wabco Gmbh & Co Ohg Elektrischer Steckkontakt
JP4897626B2 (ja) 2007-09-18 2012-03-14 ホシデン株式会社 コネクタ
US8038485B2 (en) * 2009-07-21 2011-10-18 Tyco Electronics Corporation Electrical connector having contacts secured in a housing body
JP2018189384A (ja) * 2017-04-28 2018-11-29 株式会社Gsユアサ 電流検出装置、管理装置、エンジン始動用のバッテリ
DE102021111935B3 (de) 2021-05-07 2022-04-21 Lumberg Connect Gmbh Steckkontakt

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
US3348191A (en) * 1964-03-05 1967-10-17 Amp Inc Electrical connector elements
FR2061856A5 (fr) * 1969-07-11 1971-06-25 Amp France
US3976350A (en) * 1974-10-21 1976-08-24 Bunker Ramo Corporation Electrical connector assembly having insulated insulation piercing contact portions
JPS5239751U (fr) * 1975-09-11 1977-03-22
JPS5557282U (fr) * 1978-10-13 1980-04-18
EP0090849A1 (fr) * 1981-10-08 1983-10-12 Associated Enterprises, Inc. Contact en fourche planaire avec materiau d'insertion en or
GB2122820A (en) * 1982-05-28 1984-01-18 Gen Electric Co Plc Electrical connector assemblies

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100965368B1 (ko) * 2008-02-27 2010-06-22 치프 랜드 일렉트로닉스 코., 엘티디. 암 커넥터

Also Published As

Publication number Publication date
MX156136A (es) 1988-07-15
ATE49828T1 (de) 1990-02-15
BR8405670A (pt) 1985-09-10
DE3481149D1 (de) 1990-03-01
ES292971Y (es) 1987-04-16
JPS60117574A (ja) 1985-06-25
EP0144128A2 (fr) 1985-06-12
JPH0370350B2 (fr) 1991-11-07
CA1226632A (fr) 1987-09-08
ES292971U (es) 1986-08-01
EP0144128A3 (en) 1986-12-30
IE56424B1 (en) 1991-07-31
IE842837L (en) 1985-05-08

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