EP1182733A2 - Elektrisches Kontaktsystem - Google Patents

Elektrisches Kontaktsystem Download PDF

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Publication number
EP1182733A2
EP1182733A2 EP01119820A EP01119820A EP1182733A2 EP 1182733 A2 EP1182733 A2 EP 1182733A2 EP 01119820 A EP01119820 A EP 01119820A EP 01119820 A EP01119820 A EP 01119820A EP 1182733 A2 EP1182733 A2 EP 1182733A2
Authority
EP
European Patent Office
Prior art keywords
contact
recited
socket
electrical contact
plug
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.)
Withdrawn
Application number
EP01119820A
Other languages
English (en)
French (fr)
Other versions
EP1182733A3 (de
Inventor
Martin Fuchs
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 Germany GmbH
Original Assignee
Tyco Electronics AMP 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 Tyco Electronics AMP GmbH filed Critical Tyco Electronics AMP GmbH
Priority to EP01119820A priority Critical patent/EP1182733A3/de
Publication of EP1182733A2 publication Critical patent/EP1182733A2/de
Publication of EP1182733A3 publication Critical patent/EP1182733A3/de
Withdrawn legal-status Critical Current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
    • H01R13/04—Pins or blades for co-operation with sockets
    • H01R13/05—Resilient pins or blades
    • H01R13/055—Resilient pins or blades co-operating with sockets having a rectangular transverse section

Definitions

  • the invention relates to an electrical contact system comprising a plug contact and a socket contact.
  • the plug contact is configured as a contact pin or contact blade and the socket contact is provided with spring legs, between which the contact pin or the contact blade is inserted.
  • the pins engage the spring legs of the socket and cause the spring legs to deflect outward. This provides sufficient normal force to allow for a proper electrical connection to be effected.
  • the spring legs will compensate for the misalignment, which can cause the outward deflection of the spring arms to increase.
  • the socket contacts are generally located in channels arranged next to one another in a row or a grid formation. Therefore, to insure that the mating contacts are properly mated, the channels thus must be dimensioned in such a way that during the insertion process, the spring legs can on the one hand widen and on the other hand be spread apart sideways to accommodate misalignment of the contacts and insure that a positive electrical connection is effected.
  • the socket contact having at least two parallel fixed areas for contact with the plug contact.
  • the plug contact has, at the end pointing towards the insertion direction, two spring legs, which can be moved towards each other during the insertion process into the socket contact.
  • the free ends of the spring legs are bent to form lead-in surfaces to facilitate the insertion of the plug contact into the socket contact.
  • This electrical contact system allows the socket contacts to be arranged very closely next to one another, as during insertion the socket contact is not required to resiliently deform or accommodate for misalignment. Consequently, as the socket contacts do not expand and as the plug contacts compress during mating, the entire contact system in its inserted state does not require more space than it does in a non-inserted state.
  • both spring legs have a generally V-shaped configuration with one leg of the V being the insertion inclined sections.
  • the inclined sections are arranged to extend toward each other such that the ends are proximate each other.
  • the insertion inclined sections are configured so that as the plug contact is inserted into the socket contact, the free ends of the inclined sections can move past each other. This insures that during the insertion process the spring legs have a large range of elastic deformation at their disposal. Due to this resiliency of spring, a high contact force and thus a reliable contact can be achieved.
  • Figs. 1, 3, 5 and 7 show the contact system prior to the mating of the individual contacts and Figs. 2, 4, 6 and 8 each show the contact system with the contacts mated together.
  • the invention is described by means of all the figures, without direct reference being made to the latter.
  • the contact system according to the invention has a plug contact 1 and a socket contact 2.
  • the socket contact 2 is made from a sheet metal strip, which is U-shaped in the contact region.
  • the two legs of the U form fixed areas 3 and 4, which serve as the contact area with the plug contact 1.
  • a connecting piece 5 is formed which, according to any known connection technologies, can be designed for instance as a soldered, crimped, surface mounted or pressed-in connection.
  • the plug contact 1 has a connecting piece 6 which can be designed according to the above-mentioned connection technologies.
  • Two spring legs 7 and 8 are positioned on the plug contact.
  • the spring legs 7, 8 extend in a direction away from another in the insertion direction to form a V-shaped member.
  • insertion inclined sections 9, 10 and 11 are formed.
  • the inclined sections serve to facilitate the insertion of the spring legs 7, 8 between the two fixed areas 3, 4 of the socket contact 2.
  • the insertion inclined sections 9, 10 and 11 are formed by bending the spring leg 7 or 8 in the direction toward the other respective leg 8 or 7.
  • the spring leg 7 comprises two insertion inclined sections 9 and 10 which are spaced from one another.
  • the spring leg 8, on the other hand comprises only a centrally arranged insertion inclination section 11.
  • the width of the insertion inclination section 11 is dimensioned such that during the insertion process it can be moved between the insertion inclined sections 9 and 10.
  • Figs. 4, 6 and 8 illustrate how the insertion inclination sections 11 are moved relative to the insertion inclined sections 9 and 10 during the insertion process.
  • the spring legs 7 and 8 are, at the transition to the insertion inclined sections, reduced to the width of the insertion inclined sections, so that contact points 12, 13 and 14 with relatively small surfaces are created.
  • the entire plug contact is manufactured from one strip and formed through a bending process, it is possible selectively to modify the strip in advance at contact points 12, 13 and 14. Since the contact region is minimised due to the geometry of the spring legs, the surfaces which are to be modified are also reduced, leading to significant cost savings.
  • the fixing point consists of an intermediate part 15, arranged on the plug contact between the connecting piece 6 and the spring legs 7 and 8, and in which the strip material is folded by 180°.
  • the invention is not limited to the represented embodiment, for instance it is also possible to arrange only two insertion inclined sections on the spring legs, which sections move past one another during the insertion process.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
EP01119820A 2000-08-18 2001-08-16 Elektrisches Kontaktsystem Withdrawn EP1182733A3 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP01119820A EP1182733A3 (de) 2000-08-18 2001-08-16 Elektrisches Kontaktsystem

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP00117769 2000-08-18
EP00117769 2000-08-18
EP01119820A EP1182733A3 (de) 2000-08-18 2001-08-16 Elektrisches Kontaktsystem

Publications (2)

Publication Number Publication Date
EP1182733A2 true EP1182733A2 (de) 2002-02-27
EP1182733A3 EP1182733A3 (de) 2002-06-26

Family

ID=26071295

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01119820A Withdrawn EP1182733A3 (de) 2000-08-18 2001-08-16 Elektrisches Kontaktsystem

Country Status (1)

Country Link
EP (1) EP1182733A3 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3581272A (en) * 1968-12-23 1971-05-25 Bunker Ramo Miniature connector
NL150627B (nl) * 1972-10-18 1976-08-16 Amp Inc Elektrische verbindingsinrichting met een bekvormig opneemcontact en een daarin te voeren insteekcontact met verbrede kop, waarbij het insteekcontact met een versmald gedeelte vrijliggend in het opneemcontact kan worden gestoken en na verdraaiing veerkrachtig wordt vastgehouden.
US4416504A (en) * 1979-11-07 1983-11-22 Sochor Jerzy R Contact with dual cantilevered arms with narrowed, complimentary tip portions
US4437726A (en) * 1982-06-14 1984-03-20 Omnetics, Inc. Flexible pin
DE4400469C2 (de) * 1994-01-11 1996-06-13 Weidmueller Interface Elektrischer Federkontakt für Querverbinder und dergleichen

Also Published As

Publication number Publication date
EP1182733A3 (de) 2002-06-26

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