EP0786830A1 - Ressort de contact - Google Patents

Ressort de contact Download PDF

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Publication number
EP0786830A1
EP0786830A1 EP97100269A EP97100269A EP0786830A1 EP 0786830 A1 EP0786830 A1 EP 0786830A1 EP 97100269 A EP97100269 A EP 97100269A EP 97100269 A EP97100269 A EP 97100269A EP 0786830 A1 EP0786830 A1 EP 0786830A1
Authority
EP
European Patent Office
Prior art keywords
spring
contact
base
over
lamellae
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.)
Ceased
Application number
EP97100269A
Other languages
German (de)
English (en)
Inventor
Joris Dobbelaere
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 Solutions GmbH
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Publication of EP0786830A1 publication Critical patent/EP0786830A1/fr
Ceased 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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H01R4/185—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion combined with a U-shaped insulation-receiving portion

Definitions

  • the invention relates to a contact spring for an electrical socket contact with a base spring, which has a box-shaped housing as a spring arm base, each with two broad sides and two narrow sides, to which spring arm base one end piece is connected in one piece and at the opposite end on both broad sides in each case resilient, angled to one another Insertion funnels forming contact blades are formed, which touch each other in the rest position, and with an over-spring which is held in a form-fitting manner on the base spring, which over spring encompasses the spring arm base of the base spring on four sides and acts on the contact blades of the base spring against one another with spring clips arranged on the broad sides.
  • contact springs are known in the prior art.
  • DE 92 02 365 U1 describes a contact spring which is preferably used on a large scale as a connector in automotive engineering.
  • the primary purpose of the over-spring is to increase the contact force of the contact spring and to enable releasable locking of the contact spring with an insulating housing by the formation of locking tongues.
  • the new contact spring is characterized in that the spring overlaps the spring arm base and the contact plates of the base spring in a box-shaped manner, that at least two independent contact plates are provided on each broad side of the base spring and that additional side plates are arranged on each narrow side of the base spring, which are associated with molded spring clips on the narrow sides of the spring.
  • This design of the contact spring also enables simple manufacture of both the base spring and the spring as a stamped and bent part.
  • good and safe contacting is ensured by the contact lamellae and good heat conduction by the additional side lamellae provided.
  • the good contact reliability there are no high insertion forces when inserting the mating contact, which previously could easily lead to damage to the plug contacts and / or the contact lamellae.
  • the side lamellae according to the invention offer particular advantages with regard to the current-related thermal load on the contacts which occurs during contacting, since on the one hand the contact area is not insignificantly enlarged and on the other hand the local heating and thus the heat dissipation is more favorable.
  • a spring clip of the over-spring is assigned to each contact lamella formed on the spring arm base, on which the associated contact lamella is supported or from which the relevant contact lamella is supported in the closing direction is acted upon.
  • the spring clips of the over-spring rest against the contact plates and on the side plates and increase the contact force of the plates when a mating contact is introduced. It is ensured according to the invention that, in order to prevent damage to the contact spring, the spring clip quasi within the Defined clear space profile remain, that is, do not protrude or protrude anywhere. This ensures that the spring clips only work with the contact blades and not with other objects, which could lead to malfunctions or damage.
  • the contact lamellae can be provided with longitudinal slots.
  • the heat-radiating surface of the base spring is increased by the longitudinal slots.
  • the longitudinal slots are, however, of greater importance for reliable contacting, since it is not, as has been the case since then, contact via a single contact lamella, but a plurality of contacting points is ensured by means of several independent contact lamellae.
  • the contact lamella obtains the properties of individual lamellas with regard to their contacting and heat dissipation behavior, but on the other hand their manufacture and assembly is comparatively simple in that, according to a preferred embodiment, the longitudinal slot has at most half the length of the contact lamella.
  • each contact spring is produced and assembled, for example, from two contact lamellae arranged in pairs opposite one another, but these have the effect of a plurality of parallel contact lamellae due to the longitudinal slots mentioned. It may be expedient for the contact lamellae, which are arranged opposite one another, to form lamella pairs of symmetrical design.
  • a contact limb which cooperates with the assigned side lamella can be integrally formed on the outer side facing the side lamellae in each case of a contact lamella of a pair of lamellae.
  • This shaping which is referred to as the contact leg, serves primarily to guide the mating contacts inserted into the contact spring when inserted into the contact spring according to the invention and to prevent them from getting caught on the side lamellae and thus causing damage.
  • a preferred embodiment of the invention is characterized in that the over-spring is anchored to the spring arm base of the base spring by means of bending tabs.
  • the immovable position of the over-spring ensures that damage to the contact spring due to loosening of the over-spring from the base spring is excluded even when the mating contact is inserted with excessive insertion force.
  • recesses and projections can be provided on the over-spring, which cooperate in a form-fitting manner with an insulating shoe that can be placed on the over-spring and secure it in its position.
  • the base spring is advantageously formed from a material with good electrical conductivity, for example from copper or a copper alloy.
  • Both the base spring and the spring are provided as a stamped and bent part, the spring being made of spring-hard material, for example of sheet steel or spring bronze.
  • FIG. 1 shows a perspective oblique view of a contact spring 10 according to the invention, which is formed from a base spring 12 and an over-spring 14.
  • the contact spring 10 shown in FIG. 1 has a connection part 16 which adjoins the base spring 12 and which is provided with bending tabs 18, 19, which are referred to as crimp connections, for connecting a line wire, not shown here.
  • the bending tabs 18 are used to contact the stripped Lead wire and the bending tabs 19 for fastening the lead wire provided with insulation.
  • the cuboidal contact spring 10 shown in FIG. 1 as a complete component consists of the base spring 12 shown in FIG. 2 and the over-spring 14 shown in FIG. 3, which are each shown here as a single component and each as a sheet metal stamping and bending. Part are trained.
  • the base spring 12 has a housing 20, which connects to the connection part 16 already mentioned, with recesses 21 for the positive engagement of fastening tabs 31 molded onto the over-spring 14 according to FIG. 3.
  • two mutually opposite, mutually angled contact blades 22 as well as side blades 24 are resiliently formed on the housing 20 in the example shown.
  • the contact lamellae are each provided with a longitudinal slot 23 running in the middle, so that the contact lamellae 22 are virtually doubled and, accordingly, their contacting. While the contact lamellae 22 are each designed as double parallel lamellae, the side lamellae 24 have a wedge shape, that is to say they are tapered towards the free end.
  • each of the contact lamellae 22 that is to say at the front of the contact spring 10
  • a wave-shaped contact lip 26 is formed in each case, which together form a mouth-shaped insertion opening, which serves to introduce a mating contact (not shown here) into the contact spring 10 facilitate.
  • the wavy contact lips 26 come together and abut one another. When the relevant countercontact is inserted, they are lifted from each other by this and are now in contact with the countercontact on both sides.
  • the insertion should be possible with the lowest possible insertion force without falling below a minimum contact force.
  • the minimum contact force serves to avoid unfavorable, high contact resistance caused by poor contacting, which can lead to excessive heating of the contacts and thus to possible malfunctions.
  • the free ends of the side blades 24 are also provided with wavy contact lips 28.
  • the contact lips 26 formed on the contact lamellae 22 rest against one another in the idle state, this is not the case with the contact lip 28 formed on the side lamellae 24, but these are merely closely adjacent on the outer sides of the outer contact lamellae 22 and thus form a lateral guide for the Counter contact.
  • a contact leg 29 is formed on the outer sides of the outer contact lamellae 22, which works together with the side lamellae 24 and serves to steer the counter-contact in front of the side lamellae 24 without engaging behind and thereby getting caught and thus damage to the contact spring 10 to evoke.
  • Fig. 3 the over-spring 14 belonging to the contact spring 10 is shown, which, like the basic spring 12, has a housing 30 with a rectangular cross-section, on which, according to the position of the recesses arranged on the housing 20 of the basic spring 12, 21 fastening tabs 31 are arranged, which according to the assembly of the base spring 12 and the spring 14 to form the contact spring 10 are angled so that they engage in the recesses 21.
  • the housing 30 of the spring 14 is box-shaped and has a length corresponding to the length of the housing 20 Base spring 12 plus the length of the contact blades 22. This design serves to cover the base spring 12 including its contact blades 22 to the side and up and down and thus to protect them from damage from external influences.
  • the over-spring 14 on the housing 30 is produced by punching out spring clips 32, 34 which are attached at one end and which cooperate with the contact plates 22 and the side plates 24 of the base spring 12 and serve to support the contact and side plates 22, 24 and thus the required contact force of the Contact lamella 22 in the operating state, that is to say to ensure or even to increase when a counter contact is introduced.
  • the base spring 12 shown in FIG. 2 can be seen. that the housing 20 of the base spring 12 is bent from a stamped part, a production line resulting in a dividing line 25 at the top of the housing 20. This dividing line 25, which forms a narrow gap, is covered by the housing 30 of the over-spring 14, which is also produced as a bent part, which housing 30 has a corresponding separating gap, not shown in more detail, on the underside, which cannot be seen here.
  • FIG. 4 shows a top view of a variant 36 of a base spring, which differs from the base spring 12 shown in FIG. 2 by the different design of its contact blades 38, which are each designed here as individual blades.
  • FIG. 4a shows the view of the cross section of this variant of the base spring 36 along section line IVa-IVa, the contact lips 26, 28 already explained above being recognizable here.
  • 4b shows a further cross section of the base spring 36 along the section line IVb-IVb, from which the rectangular shape of the housing of this base spring 36 can be seen in particular.
  • FIG. 5 shows the side view of the base spring 36 shown in FIG. 4 with the connecting part 16 and the tabs 18, 19 belonging to the crimp connection, the associated housing 20 with the recesses 21 for fastening the over-spring 14, not shown here, the contact lamellae 22 with the contact lips 26 and with the contact leg 29 as well as the side fins 24 with the contact lips 28.
  • 5b shows a cross section through the connecting part 16 along the section line V-V, from which representation the different design of the holding tabs 19 can be seen.
  • FIG. 6 shows a top view of the further variant of a base spring 12 known from FIG. 2, which corresponds to the base spring 12 shown in FIG. 2.
  • FIG. 6a shows the view of the cross-section of this variant of the base spring 36 along the section line VIa-VIa, the contact lips 26, 28 already explained above being recognizable here.
  • 6b shows a further cross section of the base spring 12 along the section line VIb-VIb, from which the rectangular shape of the housing 20 of the base spring 12 can be seen in particular.
  • FIG. 7 shows a third variant 40 of a base spring, which differs from the base spring 12 shown in FIG. 2 in the design of its contact plates 42, 44, which are asymmetrically divided here, in that a normal-width contact plate 42 and an over-wide contact plate 44 are provided.
  • the extra wide contact lamella 44 has a longitudinal slot 46, which divides the contact lamella 44 into a normal-width contact lamella 43 and into a narrow contact lamella 45, the narrow contact lamella 45 being arranged in the center.
  • FIG. 7a shows the view of the cross section of this variant of the base spring 40 along the section line VIIa-VIIa, the contact lips 26, 28 already explained above being recognizable here.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
EP97100269A 1996-01-26 1997-01-09 Ressort de contact Ceased EP0786830A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19602822A DE19602822C2 (de) 1996-01-26 1996-01-26 Kontaktfeder
DE19602822 1996-01-26

Publications (1)

Publication Number Publication Date
EP0786830A1 true EP0786830A1 (fr) 1997-07-30

Family

ID=7783779

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97100269A Ceased EP0786830A1 (fr) 1996-01-26 1997-01-09 Ressort de contact

Country Status (3)

Country Link
US (1) US5868590A (fr)
EP (1) EP0786830A1 (fr)
DE (1) DE19602822C2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009100812A2 (fr) 2008-02-14 2009-08-20 Phoenix Contact Gmbh & Co. Kg Dispositif de connexion électrique
EP1981123A3 (fr) * 2007-04-13 2009-10-21 Sumitomo Wiring Systems, Ltd. Pose de terminal et son procédé de gaufrage
CN108365375A (zh) * 2017-01-26 2018-08-03 泰连公司 电连接器及配置为减少谐振的电触头

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DE19944280C1 (de) * 1999-09-15 2001-02-01 Framatome Connectors Int Elektrischer Buchsenkontakt mit Führungssteg
JP2001351714A (ja) * 2000-06-05 2001-12-21 Sumitomo Wiring Syst Ltd 雌端子金具
GB0023871D0 (en) * 2000-09-29 2000-11-15 Delphi Tech Inc Electrical terminal
US6847527B2 (en) * 2001-08-24 2005-01-25 3M Innovative Properties Company Interconnect module with reduced power distribution impedance
DE10248809A1 (de) * 2002-10-19 2004-04-29 Robert Bosch Gmbh Elektrischer Steckverbinder in der Ausgestaltung eines Buchsenkontakts mit spezieller Lamellengestaltung
DE10335196B3 (de) 2003-07-30 2005-04-07 Yazaki Europe Ltd., Hemel Hempstead Kontaktbuchse für einen Flachstecker
ATE389248T1 (de) * 2005-11-10 2008-03-15 Delphi Tech Inc Elektrische verbindungseinrichtung
US7766706B2 (en) * 2008-11-17 2010-08-03 J. S. T. Corporation Female terminal assembly with compression clip
US7905755B1 (en) 2009-09-18 2011-03-15 Delphi Technologies, Inc. Electrical terminal connection with sealed core crimp
US8266798B2 (en) 2009-09-18 2012-09-18 Delphi Technologies, Inc. Method of making an improved electrical connection with sealed cable core and a terminal
US7954235B2 (en) * 2009-09-18 2011-06-07 Delphi Technologies, Inc. Method of making a seal about a copper-based terminal
DE102012017949A1 (de) * 2011-09-28 2013-03-28 Sumitomo Wiring Systems, Ltd. Anschlusspassstück
DE102013013633A1 (de) * 2012-09-24 2014-04-10 Lear Corp. Elektrischer Anschluss
US8998655B2 (en) * 2012-09-24 2015-04-07 Lear Corporation Electrical terminal
US8992270B2 (en) * 2012-09-26 2015-03-31 Lear Corporation Electrical terminal
CN104781993A (zh) 2012-10-19 2015-07-15 李尔公司 电气端子
US9548553B2 (en) * 2013-03-15 2017-01-17 Lear Corporation Terminal with front end protection
US9293852B2 (en) * 2013-06-21 2016-03-22 Lear Corporation Electrical terminal assembly
US9190756B2 (en) 2013-08-01 2015-11-17 Lear Corporation Electrical terminal assembly
US9142902B2 (en) 2013-08-01 2015-09-22 Lear Corporation Electrical terminal assembly
US9711926B2 (en) 2013-11-19 2017-07-18 Lear Corporation Method of forming an interface for an electrical terminal
US9444205B2 (en) 2014-03-25 2016-09-13 Lear Corporation Electric connector with contact protection
JP6238359B2 (ja) * 2014-04-23 2017-11-29 日本航空電子工業株式会社 ソケットコンタクト
US10128602B2 (en) 2014-05-13 2018-11-13 Lear Corporation Electric connector with a terminal interface
JP6591146B2 (ja) * 2014-07-08 2019-10-16 日本航空電子工業株式会社 コンタクト及びそれを備えるコネクタ
US9847591B2 (en) 2014-07-22 2017-12-19 Lear Corporation Electric terminal assembly
JP6405235B2 (ja) * 2014-12-29 2018-10-17 モレックス エルエルシー 雌型電気端子、及びコネクタ
CN205016725U (zh) * 2015-09-10 2016-02-03 欧品电子(昆山)有限公司 电源插座端子
US9905953B1 (en) * 2016-09-30 2018-02-27 Slobodan Pavlovic High power spring-actuated electrical connector
DE102017001166A1 (de) * 2017-01-31 2018-08-02 Kostal Kontakt Systeme Gmbh Kontaktlamelle für ein buchsenartiges Steckverbinderteil und buchsenartiges Steckverbinderteil
IT201700075884A1 (it) * 2017-07-06 2019-01-06 Tyco Electronics Amp Italia Srl Connettore elettrico
DE112018002350B4 (de) 2017-07-07 2021-08-26 Avx Corporation Draht-mit-draht-verbinder mit integriertem drahtstopp
US10283889B2 (en) * 2017-09-14 2019-05-07 Lear Corporation Electrical terminal with balanced front end protection
DE102017220185A1 (de) * 2017-11-13 2019-05-16 Te Connectivity Germany Gmbh Buchsenkontakt
US10193247B1 (en) * 2017-11-14 2019-01-29 Lear Corporation Electrical contact spring with extensions
WO2019164536A1 (fr) 2018-02-26 2019-08-29 Inventive Consulting Llc Connecteur électrique actionné par ressort pour des applications haute puissance
DE112019002878T5 (de) 2018-06-07 2021-05-06 Royal Precision Products, Llc Elektrische verbinderanordnung mit interner federkomponente
WO2020154330A1 (fr) 2019-01-21 2020-07-30 Royal Precision Products, Llc Ensemble de distribution d'énergie avec système de barre omnibus sans boulon
US11721942B2 (en) 2019-09-09 2023-08-08 Eaton Intelligent Power Limited Connector system for a component in a power management system in a motor vehicle
DE112020003846T5 (de) 2019-09-09 2022-05-12 Royal Precision Products Llc Verbinderaufzeichnungssystem mit lesbaren und aufzeichenbarenkennzeichnungen
JP7314012B2 (ja) * 2019-10-07 2023-07-25 日本航空電子工業株式会社 ソケットコンタクト及びコネクタ
US10992073B1 (en) * 2019-12-20 2021-04-27 Lear Corporation Electrical terminal assembly with increased contact area
US11069999B2 (en) * 2019-12-20 2021-07-20 Lear Corporation Electrical terminal assembly with connection retainer
DE112021003303T5 (de) 2020-07-29 2023-05-25 Eaton Intelligent Power Limited Elektrisches verbindungssystem mit zylindrischem klemmenkörper

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DE3248078C2 (de) 1982-12-24 1986-03-27 Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal Doppelflachfederkontakt mit Überfeder
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1981123A3 (fr) * 2007-04-13 2009-10-21 Sumitomo Wiring Systems, Ltd. Pose de terminal et son procédé de gaufrage
US7695330B2 (en) 2007-04-13 2010-04-13 Sumitomo Wiring Systems, Ltd. Terminal fitting
WO2009100812A2 (fr) 2008-02-14 2009-08-20 Phoenix Contact Gmbh & Co. Kg Dispositif de connexion électrique
WO2009100812A3 (fr) * 2008-02-14 2009-10-29 Phoenix Contact Gmbh & Co. Kg Dispositif de connexion électrique
US8182299B2 (en) 2008-02-14 2012-05-22 Phoenix Contact Gmbh & Co. Kg Electrical connection device
CN108365375A (zh) * 2017-01-26 2018-08-03 泰连公司 电连接器及配置为减少谐振的电触头
CN108365375B (zh) * 2017-01-26 2021-09-21 泰连公司 电连接器及配置为减少谐振的电触头

Also Published As

Publication number Publication date
DE19602822A1 (de) 1997-07-31
DE19602822C2 (de) 1998-02-19
US5868590A (en) 1999-02-09

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