EP0009493B1 - Elektrischer Steckverbinder und Verfahren zur Herstellung desselben - Google Patents

Elektrischer Steckverbinder und Verfahren zur Herstellung desselben Download PDF

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Publication number
EP0009493B1
EP0009493B1 EP79900165A EP79900165A EP0009493B1 EP 0009493 B1 EP0009493 B1 EP 0009493B1 EP 79900165 A EP79900165 A EP 79900165A EP 79900165 A EP79900165 A EP 79900165A EP 0009493 B1 EP0009493 B1 EP 0009493B1
Authority
EP
European Patent Office
Prior art keywords
contact body
resilient sleeve
locating
cams
contact
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
Application number
EP79900165A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0009493A1 (de
Inventor
Max Pfister
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.)
CDM Connectors Development and Manufacture AG
Original Assignee
CDM Connectors Development and Manufacture AG
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 CDM Connectors Development and Manufacture AG filed Critical CDM Connectors Development and Manufacture AG
Publication of EP0009493A1 publication Critical patent/EP0009493A1/de
Application granted granted Critical
Publication of EP0009493B1 publication Critical patent/EP0009493B1/de
Expired 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
    • H01R13/18—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with the spring member surrounding the socket
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49204—Contact or terminal manufacturing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49909—Securing cup or tube between axially extending concentric annuli
    • Y10T29/49913—Securing cup or tube between axially extending concentric annuli by constricting outer annulus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49915—Overedge assembling of seated part
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49925—Inward deformation of aperture or hollow body wall

Definitions

  • the present invention relates to an electrical connector with an electrically conductive contact body, which has a substantially cylindrical part, and with a spring sleeve comprising at least a part of the cylindrical part of the contact body, which is rolled from a spring sheet and has a longitudinal joint, the contact body and the spring sleeve are connected to one another by recesses in one of these parts and by projections on the other part engaging in the recesses.
  • the invention further relates to a method for producing such a connector.
  • the contact body of the plug connector can optionally be designed as a plug pin or as a socket. It suitably consists of an electrical contact material, such as brass, copper, bronze, and ensures a low electrical volume resistance and a relatively high current carrying capacity. Because of the relatively low elasticity of the contact material, the contact body can be easily connected to an electrical conductor by means of a crimp or crimp connection.
  • the spring sleeve serves several purposes.
  • the spring sleeve can help prevent deformation of the contact body, in particular if it is rolled out of sheet metal and has a longitudinal groove.
  • the spring sleeve can finally also be provided to prevent the contact tongues from bending too far outward and / or to urge the contact tongues resiliently towards the inside in order to increase contact pressure on one in the socket bring inserted plug pin.
  • the spring sleeve is fixed on the contact body in that tabs formed on the spring sleeve engage in recesses in the contact body.
  • This type of fixation requires that the spring sleeve be held in full contact with the circumference of the cylindrical part of the contact body during the manufacture of the connector, while the tabs are bent into the prepared recesses in the contact body.
  • the recesses in the direction transverse to the bending line of the flaps must be considerably larger than the sheet thickness of the spring sleeve and than the end position of the flaps would require. This results in an undesired weakening of the contact body.
  • the connector is a socket
  • the previous type of fixation has the further disadvantage that the tabs of the spring sleeve must be relatively short so that they do not protrude into the interior of the contact body intended for receiving a plug pin, which is why the anchoring of the spring sleeve on the contact body is proportionate is unsafe and the longitudinal joint of the spring sleeve may open when using the socket.
  • this makes the connector more complicated and expensive, and there are local enlargements of the outer dimensions of the spring sleeve due to the superimposed sleeve parts and tabs, which is disadvantageous in some applications.
  • the electrical socket 1.0 shown in Fig. 1 consists of an essentially tubular contact body 11 made of electrically good conductive contact material, e.g. Brass, copper or bronze, and a spring sleeve 12 made of spring sheet, surrounding the contact body 11, e.g. Sheet steel.
  • One end part of the contact body 11 is designed as a cross-sectionally U-shaped terminal 13 for inserting an electrical conductor (not shown) which can be mechanically and electrically connected to the contact body 11, for example, by squeezing the terminal 13.
  • the opposite end of the contact body 11 has an opening 14 for inserting the plug pin according to FIG. 2. Details of the socket 10 are explained in more detail below.
  • the electrical connector pin 20 shown in FIG. 2 consists of a contact body 21 made of electrically highly conductive material and a spring sleeve 22 made of spring sheet metal which surrounds part of the contact body 21 on the outside.
  • One end part of the contact body 21 is designed as a connecting terminal 23 for inserting an electrical conductor (not shown) which, for example, can be mechanically and electrically connected by squeezing the connecting terminal 23 to the contact body 21.
  • the other end part of the contact body 21 is designed as a contact pin 24, which can be inserted through the mouth 14 into the socket 10. Details of the connector pin 20 will be described later.
  • the contact body 11 is rolled from sheet material and has a longitudinal joint 31 where the mutually opposite cut edges of the sheet butt butt against one another, as can be clearly seen in FIGS. 3 and 4.
  • the contact body 11 has a transverse slot 32 and two longitudinal slots 33, which are arranged symmetrically with respect to the longitudinal joint 31 and together with the longitudinal joint 31 form two adjacent contact fingers 34 which extend in the longitudinal direction of the contact body 11 and radially to the longitudinal axis of the contact body 11 are compliant.
  • the two longitudinal slots 33 are further arranged such that the two contact fingers 34 are opposite a contact body part 35 which extends over approximately half the circumference of the contact body 11 and is thus practically radially unyielding.
  • the cut edges of the contact body section 35 adjoining the longitudinal slots 33 each form a stop for the free end section of one or the other contact finger 34 in order to limit the mobility of the contact fingers inwards.
  • the contact body Between the end of the contact body 11 having the mouth 14 and the transverse slot 32, the contact body has a cylindrical part 36 which is closed along the entire circumference.
  • An analog cylindrical portion 37 of the contact body 11 is located at the opposite end of the longitudinal slots 33.
  • the spring sleeve 12 is rolled from a spring sheet metal blank 40 (FIG. 7) so that the opposite cutting edges 41 of the sheet metal blank lie opposite one another and form a longitudinal joint 43 between them on the spring sleeve, as can be clearly seen in FIGS. 3, 4 and 6.
  • the longitudinal joint 43 of the spring sleeve 12 is diametrically opposite the longitudinal joint 31 of the contact body 11, as clearly shown in FIGS. 3 and 4.
  • the spring sleeve 12 has a transverse slot 44 and two longitudinal slots 45 extending therefrom, for the purpose of forming a tongue 46 which is diametrically opposite the longitudinal joint 43 and is shaped such that it exerts pressure on the contact fingers 34 of the contact body under the influence of its elasticity 11 exercises to push them towards the inside.
  • the end of the spring sleeve 12 facing away from the mouth 14 of the contact body 11 has a plurality of locking tabs 47 which are spread apart from the contact body 11 and which, together with an outer bead 48 of the contact body, serve to hold the socket 10 in an insulating housing (not shown), as is the case here is known to the expert.
  • the spring sleeve 12 has on its adjoining the longitudinal joint 43 and in the area of the cylindrical contact body parts 36 and 37 lying parts each have an opening 51 with which an anchor cam 53 of the contact body 11 is in locking engagement.
  • the armature cams 53 are located on the side of the contact body facing away from the longitudinal joint 31 of the contact body 11.
  • the openings 51 are each arranged at a distance from the adjacent cutting edge 41 (FIG.
  • the dimensions of the openings 51 and the armature cams 53 in the direction parallel to the longitudinal axis of the socket 10 are approximately the same, as a result of which the spring sleeve 12 is also secured on the contact body 11 against axial displacement.
  • the openings 51 and the armature cams 53 are preferably arranged symmetrically with respect to a plane which contains the longitudinal axis of the socket 10 and passes through the center of the longitudinal joint 43 of the spring sleeve 12.
  • each retaining web 55 of the spring sleeve 12 a smaller width in the circumferential direction of the spring sleeve at its axial end parts 57 than in its central part 58, so that only the latter with the associated anchor cam 53 is in plant, as Fig. 6 shows.
  • the height dimension of each anchor cam is only slightly larger than the thickness of the spring plate forming the spring sleeve 12.
  • the flat spring plate blank 40 (FIG. 7) is prepared, which is provided with the openings 51 and the retaining webs 55 on opposite edge parts.
  • the prepared sheet metal blank 40 is first bent into a widened U-shape, which according to FIG. 8 consists of a central U-web 61 and two lateral U-legs 62. Both the U-web 61 and each of the lateral U-legs 62, viewed in cross-section, run along an arc that extends over approximately 120 ° and is adapted to the curvature of the peripheral surface of the cylindrical parts 36 and 37 of the contact body 11.
  • each of the retaining webs 55 is wound so that its edge edge 64 which faces away from the edge edge 41 of the sheet metal blank 40 and adjoins the opening 51 comes to lie further outwards than the remaining part of the part containing the opening 51 relevant U-leg 62, as can be clearly seen in FIGS. 8, 11 and 12.
  • This twisting of the retaining webs 55 is favored by the fact that the width of each retaining web at its axial end portions 57 is smaller than in its central portion 58. It is therefore predominantly the peripheral edge 64 of the central portion 58 that is displaced outward.
  • the prefabricated contact body 11 is inserted between the U-legs 62 into the expanded U-shape of the sheet metal blank 40 formed in the manner described, the part of the contact body 11 having the longitudinal joint 31 being brought into contact with the U-web 61.
  • the armature cams 53 of the contact piece 11 face away from the U-web 61.
  • the two U-legs 62 are pivoted laterally towards the contact body 11 for the purpose of completing the spring sleeve 12.
  • the edge edges 64 of the retaining webs which are offset outwards by the twisting of the retaining webs 55, viewed in cross section according to FIG. 8, move approximately along circular arcs 66 just above the armature cams 53 of the contact body 11.
  • a recess 68 (FIG. 10, right) can additionally be provided in individual or in all anchoring cams 52 Half) can be attached by driving a caulking tool into the relevant anchor cam.
  • the flank 56 of the armature cam is pressed in the direction against the longitudinal joint 43 against the retaining web 55 and the spring sleeve is tensioned even more about the contact body 11.
  • the edge edge of the central portion 58 of each opening 51 which cooperates with the radial flank 56 of the armature cam 53, has an approximately circular arc shape.
  • FIGS. 13 and 14 other embodiments are also possible, as illustrated purely for example in FIGS. 13 and 14.
  • the contact body 21 is rolled from sheet metal material and, like the contact body 11 of the socket 10, has a longitudinal joint 31 (FIG. 5).
  • the spring sleeve 22 comprising part of the contact body 21 is rolled from a spring plate blank (not shown separately) and, like the spring sleeve 12 of the socket 10, has a longitudinal joint 43 (FIG. 5) which is diametrically opposite the longitudinal joint 31 of the contact body 21.
  • the end part of the spring sleeve 22 facing away from the contact pin 24 forms a plurality of locking tabs 47 which are spread apart from the contact body 21 and in a known manner.
  • the spring sleeve 22 is fixed on the contact body 21 in an analogous manner to the spring sleeve 12 on the contact body 11.
  • the parts of the spring sleeve 22 adjoining the longitudinal joint 43 each have an opening 51 with which an armature cam 53 of the contact body 21 is in locking engagement, such as most clearly shows Fig.5.
  • the shape and arrangement of the openings 51 and the armature cams 53 are the same in detail as has been described in detail with reference to the socket 10.
  • the method for producing the plug pin 20 is completely analogous to the method for producing the socket 10 described above, which is why additional words are unnecessary.
  • the connectors 10 and 20 described have the advantage over known designs that the spring sleeve 12 or 22 is properly fixed on the contact body 11 or 21 by the openings 51 of the spring sleeve and the armature cams 53 of the contact body 11 or the engaging openings 51. 21. It is also advantageous that none of the parts serving to fixate protrude into the interior of the contact bodies 11 or 21 or protrude outwardly beyond the circumference of the spring sleeve 12 or 22. Another major advantage is that the manufacturing method described is relatively simple and reliably leads to faultless connectors.

Landscapes

  • Manufacturing Of Electrical Connectors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP79900165A 1978-02-17 1979-02-12 Elektrischer Steckverbinder und Verfahren zur Herstellung desselben Expired EP0009493B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH174678A CH624795A5 (pl) 1978-02-17 1978-02-17
CH1746/78 1978-02-17

Publications (2)

Publication Number Publication Date
EP0009493A1 EP0009493A1 (de) 1980-04-16
EP0009493B1 true EP0009493B1 (de) 1981-10-21

Family

ID=4217605

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79900165A Expired EP0009493B1 (de) 1978-02-17 1979-02-12 Elektrischer Steckverbinder und Verfahren zur Herstellung desselben

Country Status (6)

Country Link
US (2) US4341434A (pl)
EP (1) EP0009493B1 (pl)
JP (1) JPS6217826B2 (pl)
CH (1) CH624795A5 (pl)
DE (1) DE2961040D1 (pl)
WO (1) WO1979000635A1 (pl)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3241485A1 (de) * 1982-11-10 1984-05-10 Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal Rundsteckhuelse mit ueberfeder
US4583812A (en) * 1984-06-29 1986-04-22 Amp Incorporated Electrical contact with assist spring
DE3502633C1 (de) * 1985-01-26 1986-04-30 Kabelwerke Reinshagen Gmbh, 5600 Wuppertal Elektrischer Doppelflachfederkontakt
JPS63178416U (pl) * 1987-05-12 1988-11-18
DE3735674A1 (de) * 1987-10-22 1989-05-03 Focke & Co Vorrichtung zum herstellen von (zigaretten-)packungen
GB8817403D0 (en) * 1988-07-21 1988-08-24 Amp Gmbh Electrical connector
DE8811020U1 (de) * 1988-08-31 1988-10-20 Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal Federarmkontakt mit Außenüberfeder
US5156555A (en) * 1990-08-23 1992-10-20 Leopold Kostal Gmbh & Co. Electrical connection device
US5340337A (en) * 1993-06-04 1994-08-23 The Whitaker Corporation Protective sleeve for cantilevered spring contacts and method of making the same
US5679031A (en) * 1995-08-23 1997-10-21 Framatome Connectors Usa Inc. Electrical wedge connector with retention barbs
US6190215B1 (en) 1997-01-31 2001-02-20 Berg Technology, Inc. Stamped power contact
US6109984A (en) * 1998-04-23 2000-08-29 Tsou; Eris Truck trailer cable connector structure
FR2865579A1 (fr) * 2004-01-27 2005-07-29 Framatome Connectors Int Contact electrique serti a fut ferme, procede de sertissage d'un tel contact, et outil de sertissage correspondant.
FR2964260B1 (fr) * 2010-08-27 2012-09-14 Souriau Contact electrique femelle, ensemble connecteur et procede de realisation
US20140094070A1 (en) * 2012-03-23 2014-04-03 Winchester Electronics Corporation Electrical socket assembly and method of manufacturing same
US9293852B2 (en) * 2013-06-21 2016-03-22 Lear Corporation Electrical terminal assembly
US9681571B2 (en) * 2014-02-21 2017-06-13 Wells Manufacturing, L.P. Electrical connection box and apparatus
CN107238737A (zh) * 2017-08-09 2017-10-10 黑龙江省电力有限公司牡丹江水力发电总厂 一种磁吸式电气试验线的快速接头
EP3876357A1 (en) * 2020-03-03 2021-09-08 Tyco Electronics UK Ltd Contact assembly for a connector housing, connector housing as well as connector assembly and modular connector set with such a connector housing

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE444740C (de) * 1924-11-07 1927-05-24 Hans Boas Steckerstift mit federndem Mantel
US2360383A (en) * 1941-04-19 1944-10-17 Borg Warner Method of assembling fluid couplings
CH278735A (fr) * 1948-09-11 1951-10-31 Denamur Bernard Leon Bague extensible.
FR1132239A (fr) * 1955-10-11 1957-03-06 Raccord électrique à manchon
NL127028C (pl) * 1962-03-14
BE636284A (pl) * 1962-08-21
DE1465118A1 (de) * 1963-11-04 1969-01-16 Amp Inc Einrastender Kontaktstecker
US3335397A (en) * 1964-11-19 1967-08-08 Amp Inc Plug wire contactor
US3364459A (en) * 1965-10-11 1968-01-16 Triple A Specialty Company Universal spark plug terminal connector
US3467944A (en) * 1968-03-04 1969-09-16 Amp Inc Interconnection system with precision terminal alignment
US4073565A (en) * 1976-01-21 1978-02-14 Raymond Eugene B Spark plug terminal
US4009924A (en) * 1976-03-18 1977-03-01 General Motors Corporation Spark plug connector assembly

Also Published As

Publication number Publication date
US4412718A (en) 1983-11-01
JPS55500082A (pl) 1980-02-14
DE2961040D1 (en) 1981-12-24
JPS6217826B2 (pl) 1987-04-20
US4341434A (en) 1982-07-27
CH624795A5 (pl) 1981-08-14
EP0009493A1 (de) 1980-04-16
WO1979000635A1 (fr) 1979-09-06

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