EP0738026B1 - Ressort de contact - Google Patents

Ressort de contact Download PDF

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Publication number
EP0738026B1
EP0738026B1 EP96105428A EP96105428A EP0738026B1 EP 0738026 B1 EP0738026 B1 EP 0738026B1 EP 96105428 A EP96105428 A EP 96105428A EP 96105428 A EP96105428 A EP 96105428A EP 0738026 B1 EP0738026 B1 EP 0738026B1
Authority
EP
European Patent Office
Prior art keywords
spring
contact
side walls
arm base
terminal part
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
EP96105428A
Other languages
German (de)
English (en)
Other versions
EP0738026A1 (fr
Inventor
Joris Dipl.-Ing. Dobbelaere
Artur Wohlfart
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 EP0738026A1 publication Critical patent/EP0738026A1/fr
Application granted granted Critical
Publication of EP0738026B1 publication Critical patent/EP0738026B1/fr
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
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • 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
    • H01R13/35—Contact members for non-simultaneous co-operation with different types of contact member, e.g. socket co-operating with either round or flat 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
    • 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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot

Definitions

  • the invention relates to a contact spring according to the features the preamble of claim 1.
  • Such contact springs are described, for example, in EP-A-0 416 306 described. Further contact springs are in DE-U-85 02 106 and DE-C-35 46 762. Such contact springs will be for example on a large scale as a connector in automotive engineering used. With these contact springs, the over spring has essentially the function, the spring force of the contact spring increase and by training with one or more Latches a releasable locking of the contact spring in one Contact chamber of a housing made of insulating material enable.
  • the spring is usually made up of a Material with good spring properties, while the basic spring from a material with good electrical and thermal Properties.
  • the spring can for example, be produced as a stamped and bent part from sheet metal.
  • the base spring is preferably also a stamped and bent part, exists because of the necessary good electrical Properties preferably made of spring bronze.
  • Another contact spring is known from DE 32 48 078 C2. At this contact spring is the connector for an electrical Conductor from a crimp connection with an insulation claw and conductor claw attached to an electrical conductor or whose ground connection are connected.
  • the present invention has for its object a To provide a contact spring with an insulation displacement connection, which has a good electrical and mechanical connection between the contact part and the connecting part ensures. In doing so be ensured that the impact forces when plugging of the electrical lines to be connected in sufficient quantities Dimensions are transferred to a housing of the contact spring can.
  • the invention is essentially based on the connecting part the contact spring as a double insulation displacement terminal and on the spring arm base of the base spring and / or the side walls of the To provide double insulation clamp stop edges, which at Insert the contact spring into a housing there the intended support surfaces.
  • the connector has one bottom wall and two extending from the bottom wall Side walls, each on the end face as insulation displacement clamps are trained.
  • the U-shaped spring arm base and the U-shaped The connecting parts are along their respective longitudinal axes twisted 90 ° to each other with respect to their U-shaped design, in such a way that the bottom wall of the connecting part as an extension of a side wall of the spring arm base and one of the two side walls of the connecting part as an extension the bottom wall of the spring arm base is formed.
  • At least one of the Sidewalls of the spring arm base designed approximately L-shaped, this side wall facing the connector one has a greater height than in the rest of the area the spring arm base.
  • the raised part of this side wall is provided with a tab serving as a stop, which orthogonal from this side wall towards the other Side wall stretched out.
  • the side wall of the Spring arm base in the area of this raised part about 1.2 to 2 times higher than in the rest of the side walls.
  • the impact forces when plugging in the electrical cable to be able to effectively support the double insulation piercing preferably both side walls of the spring arm base L-shaped designed and with raised parts on which bent tabs are connected, provided.
  • the bent-over tabs reach about to the middle of the spring arm base and have preferably surfaces that are flush with one another.
  • the Provide tabs on both side walls of the Spring arm base offers the advantage that even then a safe one Striking the housing of the contact spring is possible if one of these tabs has broken off for any reason.
  • At least one of the side walls of the connector at its free edge provided with a tab that also serves as a stop, which are preferably orthogonal to this side wall in Extended towards the other side wall.
  • a tab that also serves as a stop, which are preferably orthogonal to this side wall in Extended towards the other side wall.
  • both side walls are provided with such tabs that are directed towards each other.
  • the base spring of this contact spring is both in Area of the spring arm base as well as in the area of the Connection part provided with such tabs so that when Plug the electrical cable into the double insulation displacement terminal of the connecting part of the contact spring according to the invention occurring forces several times in the corresponding housing of the Contact spring can be intercepted. It is for that only necessary that the tabs on suitable support surfaces can attack in the housing of the contact spring.
  • Locking device for primary locking of the contact spring one over the base spring at least in the area of Spring arm base slipped and held on the spring arm base Overspring is realized with at least one locking tongue is provided for primary locking.
  • Another development of the invention provides the housing of the contact spring in the area of the insulation displacement terminals trained side walls of the connecting part with wall sections to be provided, which the side walls with the exception of Support insulation clamps yourself. This allows the Assembly of the contact springs in the associated housing, especially in multi-row flat cable plugs trained housings, the insulation displacement zones of the Contact springs are held in a grid. This will also the required clearance and creepage distance between the individual connection parts of the contact springs observed.
  • a variety of such contact springs according to the invention a multi-row flat cable plug with socket contact, where the cable exit is perpendicular to the direction of insertion, arranged.
  • a variety of contact springs are available for this the invention side by side within a housing and at least in two rows one above the other. With two immediately overlying rows of contact springs are the Contact springs in one row compared to the other row arranged reversed by 180 °, in such a way that the Bottom walls of the spring arm bases of the contact springs of one Row the bottom walls of the contact springs of the other row are facing. This allows multiple rows Realize flat cable plugs in the plug area Grid of 2.54 mm x 2.54 mm and in the connection area with 2 rows Allow expansion a grid of 1.27 mm.
  • the basic spring 1 of the contact spring shown in FIGS. 1 to 4 has, seen along its longitudinal axis X, approximately in the middle a so-called spring arm base 2, at the front end two spring arms 3, 4 are integrally connected and at the rear end of a connector 20 integrally connected is.
  • the least in this embodiment approximately U-shaped spring arm base 2 has a Bottom wall 5, on the L-shaped side walls 6, 7 extend parallel to the longitudinal axis X.
  • the Side walls 6, 7 of the spring arm base 2 go in the plug area the base spring 1 in the two spring arms 3, 4 over.
  • the two Spring arms 3, 4 initially run in the direction of contact zone 9 towards each other in order to become funnel-shaped again expand so that an associated flat or round connector is good can enter the contact zone 9 of the two spring arms 3, 4.
  • the spring arm 4 is in the range of Contact zone with one towards the other spring arm 3 ripped tab 10 as a spring opening contour Mistake.
  • the two are Side walls 6, 7 of the spring arm base 2 on the viewer facing free long side each with a recess 8 for the fixation of an over-spring to be explained educated.
  • the side walls 6, 7 are on their side facing the connector 20 is increased in each case formed so that the side walls 6, 7, in plan view seen, are L-shaped.
  • the raised parts of the side walls 6, 7 are in the representations of Figures 1 and 3 marked with the reference numerals 6a and 7a.
  • the raised parts 6a and 7a have a rectangular shape.
  • the raised parts 6a and 7a of the side walls 6 and 7 are on their respective free ends with respect to the side walls 6, 7 orthogonal bent towards each other. As especially from the figures 2 and 4 clearly shows that are orthogonal to the respective side walls 6, 7 bent tabs 11, 12 so designed that their end faces are opposite and thus the surfaces of which continue flush with each other. This However, training is not mandatory.
  • the tabs 11, 12 can also be at an angle to each other. Is essential only that the L-shaped configurations of the Side walls 6, 7 creates a stop that in one corresponding housing part of the housing into which the Contact spring is inserted, can strike.
  • the stop edges of the side walls 6, 7 are shown in FIGS. 1 and 3 marked with the reference numerals 16 and 17.
  • connection part 20 in this embodiment also U-shaped designed.
  • the connector 20 is in relation to his U-shaped shape, however, along the longitudinal axis X by 90 to Spring arm base 2 rotated.
  • the connector 20 has a Bottom wall 25, which is flush with the kink-free Side wall 6 of the spring arm base 2 connects.
  • Bottom wall 25 of the connecting part 20 extend two parallel side walls 26, 27 away.
  • One of the two side walls 26, 27, here the side wall 26, closes without kinks and flush with the bottom wall 5 of the spring arm base 2.
  • the side walls 26, 27 designed significantly longer than the bottom wall 25 and end each end as insulation displacement terminals 21, 22. Die Insulation clips 21, 22 each have two through a slot 24 separate insulation displacement parts.
  • Basic spring 1 is connected with insulation provided electrical line pressed into the slot 24.
  • the two opposing insulation displacement parts 21, 22 cut when pressed into this electrical line insulating jacket so far that the underlying metallic line with the insulation displacement parts 21 in Touch comes.
  • connection part 20 provided with suitable stop edges 18, 19.
  • the side walls 26, 27 of the connecting part 20 are on half their height along the longitudinal axis X with each other bent in each case preferably orthogonal to the respective Side walls 26, 27 provided standing tabs 28, 29.
  • the Representations of Figures 2 and 4 clearly show jumping these tabs 28, 29 compared to the rest of the Basic spring 1 in the direction of spring arms 3, 4.
  • the stop edges 18, 19 on corresponding ones Attack the support surfaces of the housing and when pressing in the electrical cables in the insulation displacement terminals of the Strike connector 20 on these support surfaces, whereby the impact forces that occur are safely absorbed.
  • the spring 30 is made of a stamped and bent part made of sheet metal manufactured and a part with a rectangular cross section a bottom part 32, two side parts 33, 34 and one Ceiling part 35 shaped, the latter due to manufacturing is divided by a longitudinal slot 36.
  • the longitudinal slot 36 of the ceiling part 35 runs in the embodiment of FIG Figures 5 and 6 based on its width off-center, so that the ceiling part 35 into a narrow section 37 and one wide portion 38 is separated.
  • the broad partial area 38 is approximately double as wide as the narrow section 37.
  • the wide Subarea 38 of the ceiling part 35 is in itself Latching tongue 31 extending in the longitudinal direction of the over-spring 30 incorporated.
  • This is used to lock the unit Basic spring over-spring in a contact chamber of an associated one Housing and is from the wide section 38 cut out and - as can be seen in Figure 5 - on the Bending line 43 bent outwards.
  • the locking tongue 31 is with an inwardly embossed bead 42 which is somewhat begins below the bending line 43 and is centered in the Longitudinal direction of the locking tongue 31 up to its free end face 39 extends.
  • the side parts 33, 34 of the over-spring 30 provided with inwardly bent retaining tabs 40, 41 which after their angling from the side parts 33, 34 in the In connection with Figures 1 to 4 recesses explained 8 grip the spring arm base 2 and thereby for a fixation the spring 30 on the spring arm base 2 of the base spring 1 to care.
  • the contact springs shown in Figures 1 to 6 are suitable especially for installation in multiple rows Flat cable connector housings with socket contacts, where the cable outlet perpendicular to the direction of insertion of the contact spring lies.
  • Figures 7 and 8 is a detail shown how the contact spring according to the invention can be installed in the associated housing openings to save space can.
  • FIG. 7 are two contact springs according to the invention arranged side by side, the bottom walls 5 the spring arm bases 2 lie side by side in one plane.
  • Wall sections 51 of the associated flat cable connector housing shown in sections.
  • This Wall sections 51 hit the stop edges 18, 19 of the Connection parts 20 of the contact springs.
  • the front of another stop edge 15 of the connecting part 20 will provided that the side walls 26, 27 of the Connecting part 20 at their opposite to the tabs 28, 29 lying edges L-shaped at the end of the bottom wall 25 jump back.
  • the wall sections 50 hit these L-shaped ones Projection on, whereby the Contact spring, i.e.
  • the wall sections 50 are preferably used as movable plastic parts for Secondary protection of the contact springs serve in the appropriate housing inserted.
  • contact springs can be a multi-row Realize flat cable plug with socket contacts, the has a plug-in area in a grid of 2.54 mm x 2.54 mm.
  • FIG. 8 shows two contact springs lying one above the other the invention shown in the connection area two-row expansion allows a grid of 1.27 mm.
  • two immediately superimposed rows 60, 61 of Contact springs provided, in which contact springs of one Row 60 rotated by 180 compared to the other row 61 is arranged, in such a way that the bottom walls 5 of Spring arm bases 2 of the contact springs of one row 60 den Bottom walls 5 of the contact springs of the other row 61 are facing.

Landscapes

  • 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)
  • Connecting Device With Holders (AREA)

Claims (10)

  1. Ressort de contact comprenant un ressort de base (1) qui comprend une base à bras élastiques (2) pourvue d'une paroi de fond (5) et de deux parois latérales (6, 7), une partie de raccord (20) pour un conducteur électrique, solidaire et en forme de U, s'étendant à une extrémité de la base à bras élastiques (2), dont elle s'éloigne, et des bras élastiques (3, 4), solidaires, s'étendant à l'autre extrémité, dans le prolongement des parois latérales (6, 7) dont ils s'éloignent, la partie de raccord (20) comprenant également une paroi de fond (25) et deux parois latérales (26, 27) s'éloignant de la paroi de fond (25) et exécutées à chaque fois en tant que pinces coupantes (21, 22) sur le côté frontal, et en ce que la partie de raccord (20) pourvue de pinces coupantes est pourvue d'une arête de butée (18, 19) s'étendant de manière orthogonale par rapport à la direction d'enfichage du ressort de contact, caractérisé en ce qu'un dispositif à cran est prévu pour la fixation primaire du ressort de contact, en ce que la base à bras élastiques (2) du ressort de base (1) possède une section transversale qui a au moins approximativement la forme d'un U, en ce que la base à bras élastiques (2) et la partie de raccord (20) présentent une rotation de 90° l'une par rapport à l'autre en ce qui concerne leur forme en U, de manière à ce que la paroi de fond (25) de la partie de raccord (20) soit exécutée en tant que prolongement d'une paroi latérale (6) de la base à bras élastiques (2) et une des deux parois latérales (26) de la partie de raccord (20) soit exécutée en tant que prolongement de la paroi de fond (5) de la base à bras élastiques (2), en ce qu'au moins une des parois latérales (6, 7) de la base à bras élastiques (2) possède à peu près la forme d'un L et a une hauteur plus grande sur le côté tourné vers la partie de raccord (20) que dans le reste de la base à bras élastiques (2), et en ce que la partie élevée (6a, 7a) de cette paroi latérale (6, 7) est pourvue d'une patte (11, 12) qui s'étend de manière orthogonale depuis cette paroi latérale (6, 7) et s'en éloigne en direction de l'autre paroi latérale (7, 6), et sert d'arête de butée (16, 17) supplémentaire.
  2. Ressort de contact selon la revendication 1, caractérisé en ce que la au moins une paroi latérale (6, 7) de la base à bras élastiques (2) est de 1,2 à 2 fois plus haute dans la région de la partie élevée (6a, 7a) que dans la partie restante de ces parois latérales (6, 7).
  3. Ressort de contact selon l'une des revendications 1 ou 2, caractérisé en ce que les deux parois latérales (6, 7) ont une forme en L et sont pourvues de parties élevées (6a, 7a) auxquelles sont reliées à chaque fois des pattes repliées (11, 12).
  4. Ressort de contact selon l'une des revendications 1 à 3, caractérisé en ce qu'au moins une des parois latérales (26, 27) de la partie de raccord (20) est pourvue, sur son arête libre, d'une patte (28, 29) s'étendant de manière orthogonale par rapport à cette paroi latérale (26, 27), en direction de l'autre paroi latérale (27, 26), et qui sert d'arête de butée (18, 19).
  5. Ressort de contact selon la revendication 4, caractérisé en ce que les deux parois latérales (26, 27) de la partie de raccord (20) sont pourvues à chaque fois, sur une longueur égale de leur arête libre, d'une patte (28, 29) qui s'étend de manière orthogonale par rapport à la paroi latérale respective (26, 27), en direction de l'autre paroi latérale (27, 26), et en ce que les deux pattes (28, 29) ont une longueur telle que leurs surfaces supérieure et inférieure sont situées à chaque fois dans un même plan.
  6. Ressort de contact selon l'une des revendications 1 à 5, caractérisé en ce que les parois latérales (26, 27) de la partie de raccord (20) s'étendent au-delà de la paroi de fond (25).
  7. Ressort de contact selon l'une des revendications 1 à 6, caractérisé en ce que le dispositif à cran d'arrêt servant à la fixation primaire du ressort de contact est un ressort enrobant (3) posé sur le ressort de base (1) au moins dans la région de la base à bras élastiques (2) et maintenu sur la base à bras élastiques (2), et qui est pourvu d'au moins une languette d'arrêt (31) servant à la fixation primaire.
  8. Ressort de contact selon l'une des revendications 1 à 7, caractérisé en ce que le logement du ressort de contact est pourvu, dans la région des parois latérales (26, 27) de la partie de raccord (20) exécutées en tant que pinces coupantes (21, 22), de segments de paroi (50) qui supportent les parois latérales (26, 27) à l'exception des pinces coupantes (21, 22).
  9. Ressort de contact selon l'une des revendications 1 à 8, caractérisé en ce que le logement du ressort de contact est pourvu de segments de paroi (51) qui butent sur les pattes (11, 12) saillantes de la base à bras élastiques (2) pourvues d'arêtes de butée (16, 17, 18, 19) et/ou les pattes (28, 29) de la partie de raccord (20).
  10. Connecteur à multirangées pour conducteurs plats comprenant une pluralité de ressorts de contact selon l'une des revendications 1 à 9 situés les uns à côté des autres dans au moins deux rangées superposées dans un logement, caractérisé en ce que, dans deux rangées (60, 61) de ressorts de contact situées directement l'une au-dessus de l'autre, les ressorts de contact d'une rangée (60) présentent une rotation de 180° par rapport aux ressorts de contact de l'autre rangée (61), et ce de manière à ce que les parois de fond (5) des bases à bras élastiques (2) d'une rangée (60) de ressorts de contact soient tournées vers les parois de fond (5) des ressorts de contact opposés de l'autre rangée (61).
EP96105428A 1995-04-10 1996-04-03 Ressort de contact Expired - Lifetime EP0738026B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29506206U DE29506206U1 (de) 1995-04-10 1995-04-10 Kontaktfeder
DE29506206U 1995-04-10

Publications (2)

Publication Number Publication Date
EP0738026A1 EP0738026A1 (fr) 1996-10-16
EP0738026B1 true EP0738026B1 (fr) 2000-03-08

Family

ID=8006724

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96105428A Expired - Lifetime EP0738026B1 (fr) 1995-04-10 1996-04-03 Ressort de contact

Country Status (5)

Country Link
US (1) US5720626A (fr)
EP (1) EP0738026B1 (fr)
JP (1) JP3782156B2 (fr)
KR (1) KR100401902B1 (fr)
DE (2) DE29506206U1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19613264A1 (de) * 1996-04-02 1997-10-09 Grote & Hartmann Kontaktelement
IT1287968B1 (it) * 1996-10-18 1998-09-10 Inarca Spa Gruppo di connessione per gli avvolgimenti di uno statore di un motore elettrico
US6730844B2 (en) * 1999-06-28 2004-05-04 Kenneth H Reiker Dual-purpose wiring device and method of wiring
WO2001001525A1 (fr) 1999-06-28 2001-01-04 Reiker Electric Llc Coffret de sortie electrique
DE19946469C2 (de) * 1999-09-28 2002-06-20 Tyco Electronics Logistics Ag Kontaktelement
TWM406833U (en) * 2010-12-14 2011-07-01 Ant Percision Industry Co Ltd Terminal structure and electrical connector using the same

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
US4007977A (en) * 1974-05-09 1977-02-15 Bunker Ramo Corporation Electrical connector
US4269468A (en) * 1977-09-21 1981-05-26 Elfab Corporation Electrical connector insulator
DE3019841A1 (de) * 1980-05-23 1981-12-03 Siemens Ag Kontaktfeder fuer bandkabelanschluss
JPS603743B2 (ja) * 1980-07-05 1985-01-30 モレックス・インコ−ポレ−テッド リボンケ−ブル用電気コネクタ−
US4439001A (en) * 1982-05-07 1984-03-27 Allied Corporation IDC Socket connector
DE8236405U1 (de) * 1982-12-24 1984-10-04 Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal Doppelflachfederkontakt mit Überfeder
DE8502106U1 (de) * 1985-01-26 1985-05-02 Kabelwerke Reinshagen Gmbh, 5600 Wuppertal Elektrischer Doppelflachfederkontakt
DE3929928C1 (fr) * 1989-09-08 1990-11-22 Stocko Metallwarenfabriken Henkels Und Sohn Gmbh & Co, 5600 Wuppertal, De
DE9202366U1 (fr) * 1992-02-24 1993-06-17 Siemens Ag, 8000 Muenchen, De

Also Published As

Publication number Publication date
DE29506206U1 (de) 1995-08-24
KR100401902B1 (ko) 2004-02-11
JP3782156B2 (ja) 2006-06-07
US5720626A (en) 1998-02-24
KR960039498A (ko) 1996-11-25
DE59604568D1 (de) 2000-04-13
EP0738026A1 (fr) 1996-10-16
JPH08298147A (ja) 1996-11-12

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