EP0106992A1 - Elément de contact pour des connexions électriques à fiche et méthode de fabrication d'un tel contact - Google Patents

Elément de contact pour des connexions électriques à fiche et méthode de fabrication d'un tel contact Download PDF

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Publication number
EP0106992A1
EP0106992A1 EP83108812A EP83108812A EP0106992A1 EP 0106992 A1 EP0106992 A1 EP 0106992A1 EP 83108812 A EP83108812 A EP 83108812A EP 83108812 A EP83108812 A EP 83108812A EP 0106992 A1 EP0106992 A1 EP 0106992A1
Authority
EP
European Patent Office
Prior art keywords
pin
contact
tubular extension
contact element
solid
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
EP83108812A
Other languages
German (de)
English (en)
Other versions
EP0106992B1 (fr
Inventor
Dietmar Dipl. Kauf. Harting
Hans Dipl.-Ing. Nagel
Karl-Heinz Brock
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.)
Harting Electronics GmbH and Co KG
Original Assignee
Harting Electronics GmbH and Co KG
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 Harting Electronics GmbH and Co KG filed Critical Harting Electronics GmbH and Co KG
Publication of EP0106992A1 publication Critical patent/EP0106992A1/fr
Application granted granted Critical
Publication of EP0106992B1 publication Critical patent/EP0106992B1/fr
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
    • 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
    • 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

Definitions

  • the invention relates to a contact element made up of different parts that are mechanically and electrically connected to one another for electrical plug connections, in particular a pin or socket element for crimping onto electrical conductors, and a method for producing a contact element that can be processed as tape goods.
  • the contact element is provided with a precise guide area for the precise positioning in predetermined receiving openings of an insulating housing, while a rear area is provided for crimping an electrical conductor.
  • Contact elements are also known which are punched from a sheet metal material and are subsequently provided with stamping processes with external dimensions similar to those of the solid contacts.
  • the conductor connection area (crimp area) is shaped in the manner of a “U” that is open on one side.
  • a massive contact is characterized by an extremely precise guide area. Furthermore, in the case of a solid contact socket part, it is possible without particularly complex measures to provide the insertion area for the mating connector pin with a closed, ring-shaped entry area.
  • the processing of such contacts is relatively complex for the user, since these contact elements are produced as individual contacts during their manufacture and special precautions must be taken for the automatic processing (crimping of the electrical conductors) in order to axially insert the connecting wires into the usually tubular closed conductor connection area . When processing electrical conductors in the form of strands, these must be carefully twisted, for example, to avoid splaying, before insertion into the crimping area.
  • a stamped and embossed contact made of sheet metal material has particular advantages in terms of processability, since the conductor connection area is preferably designed in the form of a semi-open U and the conductors to be connected can therefore be inserted from the side into this crimping area.
  • a further advantage of such sheet metal contacts is that these contacts can be created as a strip material in a coherent manner due to the manufacturing process and are therefore particularly advantageous for automated further processing.
  • a contact element which essentially consists of a solid contact part and a sheet metal contact part which are connected to one another.
  • This contact element combines the advantages of a solid contact with the advantages of a sheet metal contact, without having their respective disadvantages.
  • the known contact element is provided with a solid part which has a pin over which a tubular extension of the sheet metal contact part is pushed.
  • the two parts are connected by a welded or soldered connection.
  • a welded or soldered connection represents a "foreign" process step in the production process of such a contact element and proves to be complex and therefore costly.
  • the material region is at a Konaktelement to be kept as small as possible in its length, in which the weld joint can be made very small, and it is here, especially since it is relatively thin sheet metal components, elaborate "Laser - Welding procedure" necessary to achieve the required strength with the welded joint.
  • the invention is based on the object of creating a contact element which is assembled from a solid contact part and a sheet metal contact part, the connection of the two parts being electrically and mechanically stable and this connection being possible without complex welding processes.
  • a pin or socket part made of solid material at its end facing away from the plug side with an axial, concentric. Hole is provided, that a stamped from sheet metal material and provided with a tubular extension, laterally open in the conductor connection area, substantially U-shaped conductor connection part is provided, which is inserted with its tubular extension into the bore of the solid contact part with a snug fit, and that a pin-shaped clamping part is pressed into the cavity of the tubular extension.
  • Another object of the invention was to provide a connection between the two contact parts in which the separating forces (axial tensile forces) of the two contact parts are certainly greater than the conductor pull-out forces of a crimped conductor.
  • This object is achieved in that the hole depth of the hole in the solid contact part is the same or slightly larger than the length of the press-in pin, that the press-in pin is fully inserted to the bottom of the hole, and that the part of the solid contact part protruding beyond the pin end or projecting from the conical pin area is designed as an embossed edge and is stamped onto the press-in pin, the sheet metal material of the tubular attachment of the conductor connecting part being deformed (embossed) and between the press-in pin and the embossed solid contact part - Edge gets pinched.
  • the invention is also based on the object of providing a method for producing a contact element to be produced as a band product.
  • a contact element has been created which is assembled from a solid contact part and a sheet metal contact part, the permanent, mechanical and electrical trically stable connection of the two contact parts without an "alien" welding or soldering process.
  • the connection point between the solid and sheet metal contact part has high strength, so that the separating forces required for axial tensile force are greater than the conductor pull-out force of a crimped conductor, ie that the connected conductor tears out under tensile stress rather than the connection point being separated.
  • Another advantage of the contact element according to the invention can be seen in the fact that the holding and guiding devices, which are crucial when inserted into an insulating body, are arranged on the solid contact part, so that the advantages, namely precise holding and guiding properties, are the same as the previously known solid -Contact elements are also included in this contact element.
  • Such a contact element can therefore be easily replaced with a conventional solid contact element without the need for new insulating bodies with modified contact chamber dimensions.
  • the sheet metal contact part of this contact element makes it possible to produce it as a "strip contact" and thus the rational processing in automated conductor connection machines.
  • the pin contact part is a solid contact part produced as a turned part and is provided with the pin-shaped contact area 4, an annular groove 5 for receiving an elastic locking element, a stepped collar 6, 6 ', and a concentric bore 7.
  • the outer surfaces 8, 8 1 of the collar 6, 6 ' serve to guide and center the contact element when used in a receiving opening of an insulating housing (not shown here), the shoulder 9 of the collar 6 serving as a support shoulder in the receiving opening.
  • the solid contact part 1 is provided with an embossed edge 10, the determination of which is explained further below.
  • the conductor connection part 2 is a stamped and bent part formed from sheet metal material and is provided with a sideways open, U-shaped conductor connection region 11 and a tubular, axially slotted extension 12.
  • the U-shaped conductor connection area as in the known sheet metal contact elements for crimpable conductors, is formed with a partial area 13 for crimping the conductor material, and a partial area 14 for encompassing and intercepting the conductor insulation.
  • the diameter of the tubular extension 12 is made slightly larger than the inside diameter of the bore 7 of the solid contact part, the axial slot 15 being dimensioned in its width at the same time so that the slot edges 16 move towards one another when the extension is later inserted into the bore 7 can, however, with the smallest bore diameters due to tolerances, possibly only come into mutual contact. To facilitate the insertion of the approach into the bore 7, this is provided with the insertion slope 17.
  • the press-in pin 3 is formed in the present embodiment as a cylindrical solid pin, which is provided with the cone 18 at its ends. To simplify handling, the cone is provided on both pin ends, so that the correct position does not have to be taken into account when inserting the pin. In terms of function, only the cone on the right side of the illustration is important, but the conical design of the other end also serves to facilitate the insertion of the pin.
  • the fully assembled contact element is shown in FIG.
  • the conductor connection part 2 is inserted with its tubular extension 12 into the bore 7 of the solid contact part, the extension being fully pressed into this bore.
  • the diameter of the attachment which is advantageously slightly larger than the bore diameter, was reduced to the bore diameter.
  • the spring-elastic compression of the approach is made possible, on the one hand, by a correspondingly elastic material of the conductor connection part and, on the other hand, by the axial slot 15 in the approach itself, the width of which is reduced when it is compressed. (In extreme cases up to the mutual abutment of the slot edges 16 ').
  • the press-in pin 3 is inserted into the cavity 19 of the tubular extension and pressed in.
  • a clamp is now already used Bond between solid contact part 1.1 and conductor connection part 2 achieved, which ensures a permanent, electrical and mechanical stable connection of the two contact parts.
  • a positive connection is provided in addition to the essentially non-positive connection of the two parts.
  • an embossing edge 10 is provided on the solid contact part 1, 1 ', which is embossed in a subsequent embossing process, in the direction of the cone 18 of the press-in pin.
  • the material of the tubular extension located in this area is bent inwards in the direction of the cone.
  • a bead 20 is also provided in the area of the connection point of the tubular extension to the conductor connection area.
  • the tubular extension of the conductor connection part and thus this part itself is now firmly anchored in the solid contact part.
  • the conductor connection part can only be torn out of the solid contact part when very high tensile forces are applied, it being found that in general the conductor connection part tears off in the connection area of the tubular extension, or that if a conductor is squeezed in the conductor connection part, the latter comes out the squeezing zone tears out or tears off, so that the connection of the solid contact part and the conductor connecting part can be regarded as being suitable for all applications.
  • the socket contact part 1 'shown in FIG. 4 corresponds in its essential shape to the pin contact part 1, only the plug-in contact area 22 is designed as a socket part.
  • the tubular contact socket is provided with an axial slot 23, which, however, is not continuous to the front edge of the socket, so that an annularly closed contact insertion area 24 remains.
  • a lateral slot 25 from the outer surface of the contact socket to the axial slot 23 enables the lateral springing of the. Spring tab 26.
  • the ring-shaped, closed contact insertion area 24 of this contact socket prevents the contact pin from contacting the spring tab and deforming or overstretching it when the contact pin is not exactly axially inserted into such a contact socket.
  • FIG. 5 shows the individual phases of the production of a contact element according to the invention, the most advantageous production of contact elements connected to a carrier tape being explained in the most important process stages below.
  • the outer contour of the conductor connection part is punched out from a band-shaped contact material 27 (sheet metal material).
  • the conductor connection part 2 is formed by a bending / stamping process, the tubular extension 12 being formed and optionally provided with the lead-in bevel 17.
  • the solid pin or bush part 1, 1 'already formed in separate operations is pushed onto the tubular extension 12 and in stage D the press-in pin 3 is pressed into the cavity 19 of the tubular extension.
  • the embossed edge 10 of the solid contact part is deformed to form an edge area of the tubular attachment on the cone 18 of the one press pin pressed (embossed or rolled).
  • the locking element 28 is snapped onto the contact 1.1 1 in the groove 5 and the complete contact element is now available.
  • FIG. 6 shows a contact element which is inserted into a contact chamber of an insulating body 29.
  • the contact element is provided with the crimped electrical conductor 30 and is guided laterally over the outer surfaces 8,8 'of the collar 6,6' in the correspondingly shaped contact chamber opening.
  • the axial guidance and holding of the contact element takes place on the one hand via the shoulder 9 of the collar 6 and on the other hand via the locking element 28, which locks behind the locking shoulder 31 formed by a recess in the upper part of the insulating body.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
EP83108812A 1982-10-07 1983-09-07 Elément de contact pour des connexions électriques à fiche et méthode de fabrication d'un tel contact Expired EP0106992B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3237159 1982-10-07
DE3237159A DE3237159C1 (de) 1982-10-07 1982-10-07 Kontaktelement fuer elektrische Steckverbindungen und Verfahren zur Herstellung von derartigen Kontaktelementen

Publications (2)

Publication Number Publication Date
EP0106992A1 true EP0106992A1 (fr) 1984-05-02
EP0106992B1 EP0106992B1 (fr) 1986-08-27

Family

ID=6175169

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83108812A Expired EP0106992B1 (fr) 1982-10-07 1983-09-07 Elément de contact pour des connexions électriques à fiche et méthode de fabrication d'un tel contact

Country Status (2)

Country Link
EP (1) EP0106992B1 (fr)
DE (2) DE3237159C1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011103327A1 (de) * 2011-05-27 2012-11-29 Mc Technology Gmbh Kontaktstift für Steckverbinder
DE102011054316A1 (de) * 2011-10-07 2013-04-11 Tyco Electronics Amp Gmbh Zweiteiliges Crimpkontaktelement
DE102011122899A1 (de) 2011-10-07 2013-06-13 Tyco Electronics Amp Gmbh Zweiteiliges Crimpkontaktelement
CN111276842A (zh) * 2020-02-25 2020-06-12 宁波耀华电气科技有限责任公司 一种用于自动压接设备的链带式插针及其制造方法
US20220328998A1 (en) * 2021-04-13 2022-10-13 Aptiv Technologies Limited Electrical connector for automotive applications and method of assembling thereof
WO2023046235A1 (fr) * 2021-09-27 2023-03-30 Harting Electric Stiftung & Co. Kg Contact hybride pourvu d'un support d'inscription
DE102021132990A1 (de) 2021-12-14 2023-06-15 Harting Electric Stiftung & Co. Kg Zweiteiliges Kontaktelement für elektrische Steckverbindungen und Verfahren zur Herstellung eines solchen Kontaktelements
WO2024045613A1 (fr) * 2022-08-29 2024-03-07 中航光电科技股份有限公司 Prise roulée

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8413226U1 (de) * 1984-04-30 1984-08-02 Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt Diodenstecker
DE3700510A1 (de) * 1987-01-09 1988-07-21 Schaltbau Gmbh Anschlussbuchse
DE19710428B4 (de) * 1997-03-13 2006-03-09 Siteko Kontakttechnik Gmbh Verfahren zur Herstellung eines Steckverbinders
DE102017128755B4 (de) * 2017-12-04 2023-01-26 Kostal Kontakt Systeme Gmbh Elektrisches Steckverbinderteil sowie Verfahren zum Herstellen eines solchen elektrischen Steckverbinderteils

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB654500A (en) * 1948-10-06 1951-06-20 Robert Greens Grubb Improvements in separable electric joints or couplings
BE662665A (fr) * 1964-04-20 1965-08-17
DE3023232A1 (de) * 1980-06-21 1982-01-14 Harting Elektronik Gmbh, 4992 Espelkamp Elektrisches kontaktelement und verfahren zur herstellung eines derartigen kontaktelementes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3760496A (en) * 1970-07-17 1973-09-25 Amp Inc Panel mounted electrical terminal
US4031614A (en) * 1975-11-19 1977-06-28 Gte Sylvania Incorporated Method of making two-piece electrical contact

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB654500A (en) * 1948-10-06 1951-06-20 Robert Greens Grubb Improvements in separable electric joints or couplings
BE662665A (fr) * 1964-04-20 1965-08-17
DE3023232A1 (de) * 1980-06-21 1982-01-14 Harting Elektronik Gmbh, 4992 Espelkamp Elektrisches kontaktelement und verfahren zur herstellung eines derartigen kontaktelementes

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011103327A1 (de) * 2011-05-27 2012-11-29 Mc Technology Gmbh Kontaktstift für Steckverbinder
DE102011122899B4 (de) 2011-10-07 2024-03-28 Te Connectivity Germany Gmbh Zweiteiliges Crimpkontaktelement
DE102011054316A1 (de) * 2011-10-07 2013-04-11 Tyco Electronics Amp Gmbh Zweiteiliges Crimpkontaktelement
DE102011122899A1 (de) 2011-10-07 2013-06-13 Tyco Electronics Amp Gmbh Zweiteiliges Crimpkontaktelement
US9502783B2 (en) 2011-10-07 2016-11-22 Te Connectivity Germany Gmbh Two-part crimp contact element
DE102011054316B4 (de) * 2011-10-07 2021-04-01 Te Connectivity Germany Gmbh Zweiteiliges Crimpkontaktelement
CN111276842A (zh) * 2020-02-25 2020-06-12 宁波耀华电气科技有限责任公司 一种用于自动压接设备的链带式插针及其制造方法
US20220328998A1 (en) * 2021-04-13 2022-10-13 Aptiv Technologies Limited Electrical connector for automotive applications and method of assembling thereof
CN115207662A (zh) * 2021-04-13 2022-10-18 Aptiv技术有限公司 用于汽车应用的公连接器或母连接器及其组装方法
CN115207662B (zh) * 2021-04-13 2025-11-28 Aptiv技术股份公司 用于汽车应用的公连接器或母连接器及其组装方法
WO2023046235A1 (fr) * 2021-09-27 2023-03-30 Harting Electric Stiftung & Co. Kg Contact hybride pourvu d'un support d'inscription
DE102021132990A1 (de) 2021-12-14 2023-06-15 Harting Electric Stiftung & Co. Kg Zweiteiliges Kontaktelement für elektrische Steckverbindungen und Verfahren zur Herstellung eines solchen Kontaktelements
WO2023110017A1 (fr) 2021-12-14 2023-06-22 Harting Electric Stiftung & Co. Kg Élément de contact en deux parties pour raccordements de fiches électriques et procédé de production dudit élément de contact
WO2024045613A1 (fr) * 2022-08-29 2024-03-07 中航光电科技股份有限公司 Prise roulée

Also Published As

Publication number Publication date
DE3237159C1 (de) 1984-03-01
EP0106992B1 (fr) 1986-08-27
DE3365674D1 (en) 1986-10-02

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