EP0245795B1 - Kontaktelement für elektrische Steckverbinder - Google Patents

Kontaktelement für elektrische Steckverbinder Download PDF

Info

Publication number
EP0245795B1
EP0245795B1 EP87106708A EP87106708A EP0245795B1 EP 0245795 B1 EP0245795 B1 EP 0245795B1 EP 87106708 A EP87106708 A EP 87106708A EP 87106708 A EP87106708 A EP 87106708A EP 0245795 B1 EP0245795 B1 EP 0245795B1
Authority
EP
European Patent Office
Prior art keywords
contact
support part
contact element
element according
sleeve
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
EP87106708A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0245795A3 (en
EP0245795A2 (de
Inventor
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 AT87106708T priority Critical patent/ATE82435T1/de
Publication of EP0245795A2 publication Critical patent/EP0245795A2/de
Publication of EP0245795A3 publication Critical patent/EP0245795A3/de
Application granted granted Critical
Publication of EP0245795B1 publication Critical patent/EP0245795B1/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
    • H01R13/02—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
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket

Definitions

  • the invention relates to a contact element according to the preamble of claim 1.
  • the carrier part consists of a sleeve and the contact springs are inclined with respect to the sleeve axis with their bent ends fixed on the sleeve edge. Since the contact springs occupy a position in which they run according to the family of generators of a rotation hyperboloid, they have - when considering an axial section through the sleeve equipped with the contact springs - the smallest mutual diagonal distance in their central area; there are consequently the contact points at which the contact pin comes into electrically conductive contact with the contact springs.
  • the contact springs are connected at least at one end in a metallically conductive manner to a mat-like contact spring unit and transferred in a radially curved state, before this unit is rolled into a cylindrical shape that allows easy fixing on the separate carrier part.
  • the disadvantages that arise in the manufacture of known contact elements (DE-OS 25 58 003), in which a contact spring mat is used, which consists of a meandering bent contact spring wire, are eliminated.
  • the contact spring wire sections running parallel to one another are in fact connected to one another via curved sections; Since a certain radius of curvature cannot be fallen below in practice in the case of an arcuate curvature, it is not possible to fall below a predetermined minimum distance between the contact spring wire sections. In addition, the difficult handling the contact spring mat was found to be disadvantageous due to its inevitable elasticity.
  • the arcuately curved sections resist a bend around an axis parallel to the contact spring wire sections.
  • the object of the invention is to create a contact element of the type mentioned at the outset which is particularly simple and which can be produced at low cost, preferably for connectors requiring little space but having a high current carrying capacity with small insertion forces.
  • the contact spring socket according to the invention in which this object is achieved, is characterized essentially by the features highlighted in the characterizing part of claim 1.
  • Such a contact element can be produced with wire-shaped metal strips to form the support part and support part, wherein the spacer webs can also be formed from wire material, which form the flat chambers after their deformation.
  • the two metal strips with the spacer webs are punched as a unit from contact sheet metal.
  • the use of two metal strips made of very thin sheet metal connected to one another by deformed spacers, each forming the carrier part or the support part, is associated with the advantage that the supply and fixing of the contact springs in the flat state of these strips, ie in a comparatively simple and convenient manner, fully automatically can be done.
  • the contact element having the marked structure forms the essential basic component in the production of flat or cylindrical contact sockets or Connector pins that provide perfect contact with a minimal contact resistance and yet only a relatively low insertion force is required during the insertion process.
  • the contact element is therefore particularly suitable for multiple plug connectors.
  • the contact element to form a plug pin or a contact spring socket if the two metal strips forming the carrier part and the support part have an axis extending transversely to the course of the strips and at a distance from them are bent into a substantially cylindrical shape.
  • the contact element can then be given the desired cylindrical sleeve shape by simple bending.
  • the carrier part-support part unit equipped with the contact springs can be assigned a socket body or pin body, the diameter of which thus corresponds to the diameter of the spacer webs bent out of the plane of the support part and support part - of course after transfer of the support part.
  • Support part unit in cylindrical sleeve shape - can vote that the latter can be pushed or pushed into the socket body or on the pin body with elastic deformation of the spacers. This ensures a particularly good current transfer from the contact springs to the socket body.
  • the contact springs are provided with a radial curvature towards the rear in their central region between the support part and the support part in order to ensure contact.
  • This curvature can be dispensed with if the contact springs to ensure contact in their central region located between the support part and the support part run obliquely with respect to the extension of the support part and the support part, but parallel to the corresponding obliquely oriented spacer bars.
  • the oblique course of the contact springs in question ensures that when the metal strips forming the carrier part and the supporting part are bent into the cylindrical sleeve shape mentioned, the contact springs assume a position corresponding to that in the known contact spring bushings mentioned at the outset, in which compact sleeves are obtained from the outset operated to fix the contact springs. It is very useful if the contact springs are not only firmly connected to the support part but also to the support part.
  • the spring force in this embodiment depends on the strength and the number of spacers between the support part and the support part, since these determine the distance between the parts holding the contact springs at both ends, namely the support part and the support part.
  • the axis, around which the two carrier strips are bent to form a contact bush extends on the rear side and if the contact bush is assigned a socket body which serves to receive it and on which the spacer webs are supported .
  • the socket body can comprise a sleeve which is cylindrically shaped from sheet metal and into which the contact socket can be inserted. This embodiment offers the possibility of a radial deformation of the socket body which serves to fix the contact socket.
  • a variant can also be implemented in which a socket body in the form of a rotated sleeve is used to accommodate the contact socket.
  • the contact element can also be used in an advantageous manner if the axis around which the two carrier strips are bent to form a contact pin extends on the front side and if the contact pin is assigned a pin body serving to receive it, on which the spacers are supported.
  • the spacers which resiliently rest on the outside of the pin body, ensure perfect current transfer from the contact element to the pin body.
  • socket or pin body has a radially directed overlapping, radially directed, support element which supports the contact springs with their free ends Leading edge includes.
  • a socket housing with a flat recess is expediently used, into which the two metal strips with the spacer webs and the radially curved contact springs are inserted and fixed in advance with the metal strip forming the carrier part in such a way that the Support spacer bars on one of the two flat walls so that the contact springs protrude into the recess and that the metal strip forming the support part runs near the mouth of the recess.
  • the metal strip forming the support part is provided with a widened edge which has been brought into the distance.
  • the contact element 1 for electrical connectors comprises a plurality of juxtaposed contact springs 2 formed by sections of a contact spring wire, which at one end - in Fig. 1 at the lower end - on a carrier part 3 by soldering or welding , preferably laser welding are set. In their central region 4 they have a contact point which serves to make contact with a counter-contact piece, which is not illustrated in any more detail, as will be explained in more detail below.
  • a support part 5 formed by a second metal strip extends at a distance parallel to the support part 3 formed by a first metal strip. This support part 5 is connected to the support part 3 via spacer webs 6 to form a structural unit, namely the two are the support part 3 and that Supporting part 5 forming metal strips with the spacers 6 punched out of contact sheet.
  • the spacer webs 6 are bent out of the common plane of the support part and the support part to the front, with the support part 3 and the support part 5 approaching one another. They are transferred to a position in which two successive spacer webs 6 laterally delimit a flat chamber.
  • 4 contact springs 2 are arranged next to one another in mutually parallel planes which enclose a right angle with the common plane of support part 3 and support part 5, even when the contact springs 2 are used to secure them the contact in their central region 4 between the support part 3 and the support part 5 are provided with a radial curvature towards the rear.
  • the two metal strips forming the support part 3 and the support part 5 are bent into an essentially cylindrical shape about an axis extending transversely to the course of the strips and at a distance from them.
  • the axis about which the two carrier strips are bent extends on the rear side, so that a contact socket is formed from the contact element.
  • the axis around which the two carrier strips are bent naturally coincides with the contact socket axis.
  • the contact socket is assigned a socket body 7 which serves to receive it. The spacer webs 6 are supported on this.
  • the socket body 7 comprises a sleeve which is cylindrically shaped from sheet metal.
  • the contact socket formed by a cylindrically shaped section of the contact element 1 can be inserted into this. Due to the resilient contact of the spacer webs 6 on the socket body 7, a perfect current transfer from the socket body 7 to the contact socket or vice versa is ensured.
  • two support part-support part-spacer units in the axial direction adjoin one another to form a double unit which enables use as a double bushing.
  • the contact springs 2 which extend continuously over both units, are connected in the central double socket region 8 to the associated carrier part 3.
  • the free ends of the contact springs 2 lie in the region of the two support parts 5 of the double socket on the latter.
  • the socket body 7 comprises a rotated sleeve for receiving the contact socket.
  • the socket body 7 according to FIG. 5 is assigned a centrally projecting pin 10 at its end which faces the conductor connecting piece 9 which is integrally connected to it. This pin 10 delimits an annular groove with the socket body 7, into which the contact socket with its carrier part end can be inserted.
  • the carrier part 3 is fixed to the ends of the contact springs 2 of the socket body on the conductor connector 9.
  • Fig. 3 shows a contact element 1 modified embodiment.
  • the contour springs 2 are arranged obliquely, in order to ensure contact in their intermediate carrier part 3 and support part 5, with respect to the extension of the carrier part and the support part 5, but are arranged parallel to the corresponding obliquely oriented spacer webs 6. If this contact element 1 is also converted into a cylindrical shape, then the contact springs 2 run in accordance with the family of generators of a rotation hyperboloid. Accordingly, the contact points at which the contact pin (not shown in more detail) comes into electrically conductive contact are located in its central region 4 even without a preceding curvature. In this embodiment, the contact springs 2 can be firmly connected not only to the carrier part 3, but also to the support part 5.
  • FIG. 8 illustrates a plug pin with a pin body 11 and a contact pin bent cylindrically out of the contact element 1.
  • the axis, around which the two metal strips, namely support part 3 and support part 5, are bent, runs on the front. Accordingly, the spacer webs 6 extend on the side facing the pin body 11 in such a way that the spacer webs 6 are supported on the pin body 11, as a result of which a perfect current transfer from the contact element 1, which is in the form of a contact pin, to the conductor connecting piece 9 of the pin body 11 is ensured.
  • FIG. 4 illustrates how the contact element 1 according to FIGS. 1 and 2, but with curved contact springs 2, can be used without prior conversion into cylindrical socket or pin form to form a flat contact spring socket 12.
  • the contact element 1 is assigned a socket housing 13 with a conductor connector 9 and a flat recess 14.
  • the two metal strips, namely the support part 3 and the support part 5 with the spacers 6 and the radially curved contact springs 2 are inserted with the metal strip forming the support part 3 ahead and fixed in it.
  • the spacers 6 are supported on the lower wall 15 of the two flat walls 15, 16 of the socket housing 13.
  • the curved contact springs accordingly protrude upwards into the recess 14.
  • the metal strip forming the support part 5 runs in the vicinity of the mouth of the recess 14. To protect the free ends of the contact spring against contact with the counter-contact (not illustrated in more detail) when it is introduced into the recess 14, the metal strip forming the support part 5 is provided with a widened edge which has been brought into the distance 17 provided.
  • the flat recess 14 closes a holding slot 18 in which the metal strip forming the carrier part 3 is fixed.
  • This serves to protect the free contact spring ends against contact with the counter-contact widening edge in the case of the socket or pin body 7, 11, a radially directed guide edge 19 spanning the supporting part 5.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
EP87106708A 1986-05-12 1987-05-08 Kontaktelement für elektrische Steckverbinder Expired - Lifetime EP0245795B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87106708T ATE82435T1 (de) 1986-05-12 1987-05-08 Kontaktelement fuer elektrische steckverbinder.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3615915 1986-05-12
DE19863615915 DE3615915A1 (de) 1986-05-12 1986-05-12 Kontaktelement fuer elektrische steckverbinder

Publications (3)

Publication Number Publication Date
EP0245795A2 EP0245795A2 (de) 1987-11-19
EP0245795A3 EP0245795A3 (en) 1990-01-31
EP0245795B1 true EP0245795B1 (de) 1992-11-11

Family

ID=6300630

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87106708A Expired - Lifetime EP0245795B1 (de) 1986-05-12 1987-05-08 Kontaktelement für elektrische Steckverbinder

Country Status (7)

Country Link
US (1) US4753616A (enrdf_load_stackoverflow)
EP (1) EP0245795B1 (enrdf_load_stackoverflow)
JP (1) JPS62272482A (enrdf_load_stackoverflow)
AT (1) ATE82435T1 (enrdf_load_stackoverflow)
DE (2) DE3615915A1 (enrdf_load_stackoverflow)
ES (1) ES2034983T3 (enrdf_load_stackoverflow)
GR (1) GR3006540T3 (enrdf_load_stackoverflow)

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GB2472598B (en) * 2009-08-11 2013-10-09 Ge Aviat Systems Ltd Electrical hinge connector
DE202010003649U1 (de) * 2010-03-16 2010-07-15 Rosenberger Hochfrequenztechnik Gmbh & Co. Kg Hochstromsteckverbinder
JP5763984B2 (ja) * 2011-06-21 2015-08-12 矢崎総業株式会社 端子接点構造及びこの端子接点構造を備えた端子
JP5717292B2 (ja) * 2011-08-30 2015-05-13 西日本電線株式会社 導体接続器
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TW201445839A (zh) * 2013-05-30 2014-12-01 Ks Terminals Inc 金屬彈片
DE102016201103B4 (de) * 2016-01-26 2023-10-05 Lisa Dräxlmaier GmbH Kontaktteil
JP6787175B2 (ja) * 2017-02-22 2020-11-18 株式会社オートネットワーク技術研究所 多接点型端子
CN109787010A (zh) * 2019-01-29 2019-05-21 威腾电气集团股份有限公司 一种母线槽用u形导体插接结构及过渡导电连接排的插接结构
TWI726285B (zh) * 2019-02-23 2021-05-01 宏碁股份有限公司 插頭連接器
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Also Published As

Publication number Publication date
JPS62272482A (ja) 1987-11-26
US4753616A (en) 1988-06-28
DE3615915A1 (de) 1987-11-19
EP0245795A3 (en) 1990-01-31
DE3782535D1 (de) 1992-12-17
GR3006540T3 (enrdf_load_stackoverflow) 1993-06-30
ES2034983T3 (es) 1993-04-16
EP0245795A2 (de) 1987-11-19
ATE82435T1 (de) 1992-11-15

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