EP0236963A2 - Procédé pour la fabrication d'organes de contact - Google Patents

Procédé pour la fabrication d'organes de contact Download PDF

Info

Publication number
EP0236963A2
EP0236963A2 EP87103171A EP87103171A EP0236963A2 EP 0236963 A2 EP0236963 A2 EP 0236963A2 EP 87103171 A EP87103171 A EP 87103171A EP 87103171 A EP87103171 A EP 87103171A EP 0236963 A2 EP0236963 A2 EP 0236963A2
Authority
EP
European Patent Office
Prior art keywords
contact
contact spring
springs
spring
mat
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.)
Granted
Application number
EP87103171A
Other languages
German (de)
English (en)
Other versions
EP0236963B1 (fr
EP0236963A3 (en
Inventor
Gerhard Neumann
Paul-Rainer Molitor
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.)
Otto Dunkel GmbH
Original Assignee
Otto Dunkel GmbH
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 Otto Dunkel GmbH filed Critical Otto Dunkel GmbH
Priority to AT87103171T priority Critical patent/ATE83875T1/de
Publication of EP0236963A2 publication Critical patent/EP0236963A2/fr
Publication of EP0236963A3 publication Critical patent/EP0236963A3/de
Application granted granted Critical
Publication of EP0236963B1 publication Critical patent/EP0236963B1/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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/17—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member on the pin
    • 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
    • H01R13/02—Contact members
    • H01R13/04—Pins or blades for co-operation with sockets
    • H01R13/05—Resilient pins or blades
    • 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
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • 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
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending

Definitions

  • the invention relates to a contact element in the form of a contact spring socket or a spring-loaded plug pin, with a plurality of contact springs which are arranged next to one another and can be fixed at one end to a carrier part and which are curved radially to make contact with the mating contact, and to a method for the production thereof .
  • contact spring wire sections are therefore still processed, which are introduced individually into a socket body.
  • sleeves forming the socket body that is to say drawn parts, are used with a wall thickness of the order of 0.1 mm, which can be easily deformed from the outside.
  • the bushings are each provided with a radially inwardly projecting annular bead at two points axially offset with respect to the ring body or the ring extension. These ring beads come into contact with the contact springs and give them the radially inward curvature.
  • the invention has for its object to provide a simple and inexpensive to manufacture contact spring element of the type mentioned, with the help of multiple plug connections with little space for the transmission of high currents can be produced despite small insertion forces.
  • the contact element according to the invention in which this object is achieved, is essentially characterized in that the contact springs formed by sections of a contact spring wire are connected at least at one end to a mat-like contact spring unit and are transferred in a radially curved state, and in that they are Unit is rolled into a substantially cylindrical shape allowing easy fixing to the support part by clamping or the like.
  • the contact element according to the invention is associated with the manufacturing advantage that the individual supply of the contact springs to a socket body can be dispensed with.
  • the preparatory creation of the contact spring mat from contact spring wire sections which are connected to one another at the end also eliminates the considerable problem which has arisen when using a meandering contact spring mat, namely the conversion into a cylindrical shape, since there are no arcuate transition wire regions which are of such a cylindrical shape Resist design.
  • a torsional stress on the contact spring wire sections within the contact spring wire mat when it is converted into a cylindrical shape is also practically excluded. This also ensures a perfect radial curvature of the contact spring wire sections.
  • the contact element having the characteristic structure forms the essential basic component in the manufacture of contact sockets or plug pins, in which perfect contact is given with a minimal contact resistance and yet only a relatively low plug-in force is required during the plug-in process.
  • the contact element is therefore particularly suitable for multiple plug connectors.
  • the contact springs are connected to one another in a metallically conductive manner at one end.
  • the contact springs are connected to one another by laser welding to form the mat-like contact spring unit.
  • the contact springs are connected to one another by means of a limiting band extending transversely to the ends.
  • the contact springs are expediently connected to one another at their two ends with the aid of a limiting band.
  • the limiting band can be formed by a normal ring wire, which is optionally flattened on one side, namely the side facing the end faces of the contact spring sections.
  • the limiting band consists of a profiled shaped wire, the outer surface of which forms an acute angle with the axis of the contact spring wire sections, since the outer surface of the shaped wire thus ensures that the mating contact is eccentrically aligned with the contact element.
  • the limiting band is formed by a copper band with a U-shaped cross section, the two legs of which enclose the ends of the successive contact springs between them.
  • the invention is further directed to a method for producing a contact element, which is characterized by the following method steps: arranging contact spring wire sections of the same length at a predetermined distance and in an aligned parallel position, supplying a limiting band to at least one of the ends of the contact springs and connecting the contact springs to the limiting band during the advance of the contact springs transversely to the contact spring axis to form a contact spring mat, radial bulging of the contact springs transversely to the level of the contact spring mat, applying a galvanic coating, severing the or the limiting bands to form contact spring units and transferring the contact spring units into a cylindrical rolled shape. It has proven to be expedient if, prior to the cylindrical rolling of the contact spring units, only the curved areas serving for current transmission are galvanically coated on the outside.
  • the contact spring wire 1 which is used to produce the contact elements and is made of a copper-beryllium alloy, is directed from a coil 2 and cut into sections 4 of a corresponding length using a cutting tool 3. They are then moved further in the direction of arrow 5 transversely to their axial direction with the aid of a transport device, which is not illustrated in any more detail. With the conveying speed of the sections 4, a limiting belt 8 or 9 is fed from the coils 6 and optionally also 7 to the front ends of the sections 4 moved forward at a predetermined distance from one another in the directed state. At schematically indicated fastening stations 10 and 11, the ends of the contact springs 4 are connected to the limiting bands 8 and 9, respectively, by welding, preferably laser welding, to form a contact spring mat 12.
  • the contact springs 4 receive a radial bulge transversely to the plane of the contact spring mat 12, the distance between the limiting bands 8 and 9 from mutually reduced accordingly.
  • the contact spring mat 12 then passes through an electroplating station, of which pick-up or transport rollers 14 are illustrated schematically.
  • the contact spring mat 12 is given a high-quality finish, for example with gold, in the area of the contact points, with the aid of a schematically illustrated wetting device 15, which can be a titanium electrode with textile covering for wetting the contact points.
  • a mat section of the desired length is separated from the contact spring mat 12 with the aid of a cutting device 16 and is rolled cylindrically in a subsequent processing step.
  • Either the contact element thus formed takes the form of a spring-loaded plug pin 17 or, as illustrated in FIGS. 4 and 5, the shape of a contact spring bushing 18.
  • the cylindrical rolling process takes place in such a way that the radial bulges 19 are directed outwards, whereas in the second case they are directed inwards.
  • Fig. 6 it can be seen how the contact spring wire sections 4 are each connected on the end face with a limiting band 8 and 9 in the form of a round wire.
  • profiled shaped wires 8 ⁇ or 9 ⁇ can also be used as boundary bands. While the boundary band 9 ⁇ has a rectangular cross-section, the boundary band 8 ⁇ is shaped such that it lies laterally with a side shoulder 20 on the sections 4. The resulting broadening of the boundary band 8 'in conjunction with the inclined outer surface 21, which includes an acute angle with the axis of the contact springs 4, ensures that with eccentric approach of the counter-contact, not shown, for its precise alignment the contact element is taken care of.
  • FIG. 8 a modified embodiment is illustrated, in which the limiting band 8 or 9 is formed by a U-shaped copper strip in cross section, the two legs of which enclose the ends of the successive contact springs 4 between them. Furthermore, this FIG. 8 illustrates the possibility of combining two mat-like contact spring units over a central limiting band 22 common to them, forming a double unit which enables use as a double socket.
  • FIG. 9 very schematically shows the possibility of arranging the contact element in the form of a spring-loaded plug pin 17 on a carrier pin 23.
  • Flanged edges 24 and 25 serve to secure the position of the spring-loaded plug pin 17.
  • FIG. 10 shows the possibility of using the contact element designed in the form of a contact spring bushing 18 in a carrier bushing 26, and FIG. 11 illustrates the fixing of two contact spring bushings 18 in a coaxial position within a double carrier bushing 27 common to them.
  • the carrier pin 23 and the carrier bushes 26 and 27 are, as shown in FIGS. 9 to 11, turned parts produced in a conventional manner.
  • contact springs 4 e.g. the contact elements in the form of the contact spring bushing 18, on the other hand, have the advantageous possibility of being inserted into sleeves prefabricated as a drawn part with a wall thickness of 0.1 mm and being fixed in them by simply flanging the sleeve edges. This can also be done in connection with pressing the one sleeve edge onto a comparatively simpler support pin.

Landscapes

  • Manufacturing Of Electrical Connectors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
EP87103171A 1986-03-12 1987-03-06 Procédé pour la fabrication d'organes de contact Expired - Lifetime EP0236963B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87103171T ATE83875T1 (de) 1986-03-12 1987-03-06 Verfahren zur herstellung von kontaktelementen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3608276 1986-03-12
DE19863608276 DE3608276A1 (de) 1986-03-12 1986-03-12 Kontaktelement in form einer kontaktfederbuchse bzw. eines gefederten steckerstiftes und verfahren zu dessen herstellung

Publications (3)

Publication Number Publication Date
EP0236963A2 true EP0236963A2 (fr) 1987-09-16
EP0236963A3 EP0236963A3 (en) 1989-01-18
EP0236963B1 EP0236963B1 (fr) 1992-12-23

Family

ID=6296191

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87103171A Expired - Lifetime EP0236963B1 (fr) 1986-03-12 1987-03-06 Procédé pour la fabrication d'organes de contact

Country Status (7)

Country Link
US (1) US4752253A (fr)
EP (1) EP0236963B1 (fr)
JP (2) JPS62223994A (fr)
AT (1) ATE83875T1 (fr)
DE (2) DE3608276A1 (fr)
ES (1) ES2000250T3 (fr)
GR (1) GR3007150T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2320525A1 (fr) * 2008-08-27 2011-05-11 Iriso Electronics Co., Ltd. Contact électrique, et connecteur l'utilisant
EP3544123A4 (fr) * 2016-11-16 2020-07-29 Tuospring Technology (SZ) Ltd. Structure de ressort de courbure hyperbolique de type cage et douille

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3615915A1 (de) * 1986-05-12 1987-11-19 Dunkel Otto Gmbh Kontaktelement fuer elektrische steckverbinder
DE3800043A1 (de) * 1988-01-04 1989-07-20 Dunkel Otto Gmbh Drahtfeder- bzw. lamellenfeder-kontaktbuchse
DE4015230A1 (de) * 1989-05-17 1990-11-22 Amp Inc Elektrische verbinderanordnung
US5055055A (en) * 1990-10-12 1991-10-08 Elcon Products International Company Circuit board connector system
US5358432A (en) * 1991-04-03 1994-10-25 General Electric Company Resilient connectors for a generator/motor rotor
JPH0711743U (ja) * 1993-07-29 1995-02-21 株式会社ソルトン ブレーカの電線接続端子
JP2658817B2 (ja) * 1993-09-02 1997-09-30 日本電気株式会社 電子部品のリード
US5562490A (en) * 1993-12-27 1996-10-08 General Motors Corporation High ampacity electrical quick disconnect
US5449304A (en) * 1994-05-19 1995-09-12 The Whitaker Corporation Electrical connector having improved contacts
DE19703984A1 (de) * 1997-02-03 1998-08-06 Grote & Hartmann Hochstromkontaktelement
JPH10255888A (ja) * 1997-03-05 1998-09-25 Hioki Ee Corp 電気機器の接続端子部へのリードの接続構造
US5951337A (en) * 1997-06-02 1999-09-14 Desco Industries, Inc. Damage-resistant electrical connector plug and combination
GB2336479B (en) * 1998-04-16 2002-04-17 Lantek Electronics Inc Coaxial cable connector
DE19941515A1 (de) * 1999-08-31 2001-03-01 Interconnectron Gmbh Hochstromkontakt
DE10124532A1 (de) * 2001-03-22 2002-10-02 Eckhart Alfred Linneweh Elektrische Steckverbindung
US6767260B2 (en) * 2002-02-28 2004-07-27 Qa Technology Company, Inc. Hyperboloid electrical contact
DE10235053A1 (de) * 2002-07-31 2004-02-12 Siemens Ag Verfahren zur Herstellung eines Kontaktstückes
DE102004002405B3 (de) * 2004-01-16 2005-07-14 Tyco Electronics Amp Gmbh Kontaktbuchse mit Kontaktfeder und Kontaktfeder
JP4508009B2 (ja) * 2005-06-29 2010-07-21 株式会社オートネットワーク技術研究所 雌端子金具
JP4634238B2 (ja) * 2005-06-29 2011-02-16 株式会社オートネットワーク技術研究所 雌端子金具
FR2889625B1 (fr) * 2005-08-04 2014-01-24 Souriau Element de contact femelle et procede de realisation d'un element de contact femelle
JP2007122929A (ja) * 2005-10-25 2007-05-17 Maspro Denkoh Corp 同軸ケーブル用ｆ型コネクタ，テレビ接続ケーブル，及び，電子機器箱体。
US7658657B1 (en) * 2009-02-26 2010-02-09 Hubbell Incorporated Single-pole electrical connector having a steel retaining spring
JP5083847B1 (ja) * 2011-06-07 2012-11-28 日本航空電子工業株式会社 コンタクトエレメント及びコネクタ
JP5717292B2 (ja) * 2011-08-30 2015-05-13 西日本電線株式会社 導体接続器
CN102723656B (zh) * 2012-06-21 2014-03-12 南车成都机车车辆有限公司 扁铜导线的线头成形装置及其方法
US9106035B2 (en) 2012-06-25 2015-08-11 Dish Network L.L.C. RF connector with push-on connection
US9362645B2 (en) * 2013-12-05 2016-06-07 Hypertronics Corporation One piece socket contact
DE102015122303B3 (de) * 2015-12-15 2017-04-20 Amphenol-Tuchel Electronics Gmbh Steckverbinderbuchse
US9762007B2 (en) * 2016-02-10 2017-09-12 Dish Network L.L.C. Push on connector
DE102019109393B4 (de) * 2019-04-10 2023-02-02 Lisa Dräxlmaier GmbH Leiterplattendurchführung und elektrisch leitender pin zum führen in einer leiterplattendurchführung
EP3761455B1 (fr) * 2019-07-01 2022-06-22 ODU GmbH & Co. KG Fiche de connexion avec broche centrale et manchon à lamelle et douille de connexion avec manchon à lamelle

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DE1103023B (de) 1959-01-19 1961-03-23 Shell Int Research Verfahren zum Haerten von Epoxyharzen
DE2528003A1 (de) 1975-06-24 1977-01-20 Krupp Gmbh Gesteinsbohrer

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Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1103023B (de) 1959-01-19 1961-03-23 Shell Int Research Verfahren zum Haerten von Epoxyharzen
DE2528003A1 (de) 1975-06-24 1977-01-20 Krupp Gmbh Gesteinsbohrer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2320525A1 (fr) * 2008-08-27 2011-05-11 Iriso Electronics Co., Ltd. Contact électrique, et connecteur l'utilisant
EP2320525A4 (fr) * 2008-08-27 2014-09-17 Iriso Electronics Co Ltd Contact électrique, et connecteur l'utilisant
EP3544123A4 (fr) * 2016-11-16 2020-07-29 Tuospring Technology (SZ) Ltd. Structure de ressort de courbure hyperbolique de type cage et douille

Also Published As

Publication number Publication date
ES2000250A4 (es) 1988-02-01
DE3783148D1 (de) 1993-02-04
DE3608276A1 (de) 1987-09-17
EP0236963B1 (fr) 1992-12-23
US4752253A (en) 1988-06-21
JPH05198345A (ja) 1993-08-06
EP0236963A3 (en) 1989-01-18
JPH06101361B2 (ja) 1994-12-12
JPS62223994A (ja) 1987-10-01
ATE83875T1 (de) 1993-01-15
ES2000250T3 (es) 1993-06-01
GR3007150T3 (fr) 1993-07-30

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