EP0148037B1 - Kontaktverbindungseinrichtung und Verfahren zur Montage dieser Kontakte in der Einrichtung - Google Patents

Kontaktverbindungseinrichtung und Verfahren zur Montage dieser Kontakte in der Einrichtung Download PDF

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Publication number
EP0148037B1
EP0148037B1 EP84400010A EP84400010A EP0148037B1 EP 0148037 B1 EP0148037 B1 EP 0148037B1 EP 84400010 A EP84400010 A EP 84400010A EP 84400010 A EP84400010 A EP 84400010A EP 0148037 B1 EP0148037 B1 EP 0148037B1
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EP
European Patent Office
Prior art keywords
contact
housing
support
contacts
output
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
EP84400010A
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English (en)
French (fr)
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EP0148037A1 (de
Inventor
François Robert Bonhomme
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Individual
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Individual
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Priority to DE8484400010T priority Critical patent/DE3469980D1/de
Priority to EP84400010A priority patent/EP0148037B1/de
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Application granted granted Critical
Publication of EP0148037B1 publication Critical patent/EP0148037B1/de
Expired legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes

Definitions

  • the present invention relates to a connection device with contacts, for example of the printed circuit board connector type or connector for connection of electronic circuits, as well as to the method of mounting said contacts in this device.
  • connection devices or connector elements having a plurality of metal contacts housed in individual cells made in an insulating support or housing.
  • the individual metal contacts comprise a contact element proper, male such as for example a pin, or female, a body intended to be received in the cell and a contact outlet or tail extending the body and emerging from the support of the cells for the connection to conductors or circuits by various means such as welding, crimping, winding.
  • the bodies of the contacts are provided with erasable elastic tabs, capable of being erased when the contact is inserted into the socket to come back into place behind a shoulder preventing extraction while, in the direction of insertion, the contact is blocked for example by the bottom of the cell.
  • These tabs instead of being formed directly on the contact, can also be carried by auxiliary parts, for example by rolled tubular parts, themselves immobilized in length on the contact by two shoulders.
  • Another technique is simply to drown the contacts in the support during the molding of the latter.
  • Yet another technique consists in inserting, using a tool, contact elements provided with cutting wings so that these wings hollow grooves in the plastic material of the insulating housing, by flowing this material, the insertion depth being limited by the tool coming into contact with a surface of the housing (GB-A-2 024 539).
  • the size of the support is increased by the presence of the counterplate and the positioning of the latter requires a particular operation.
  • removing the backplate may simultaneously release all of the contacts.
  • the invention proposes to remedy these drawbacks and to provide a contact connection device in which the individual contacts can be immobilized in a particularly simple manner without requiring additional parts such as for example plywoods or tongues and which allows, for replacement, easy extraction.
  • the invention also aims to provide a simple and inexpensive method for inserting and fixing the contacts in their support.
  • the subject of the invention is a contact connection device comprising at least one and preferably a plurality of individual contacts having a contact element, for example male or female, a body and a connection tail or outlet, a support or housing insulator having an equal number of cells individually housing said contacts, the latter being inserted into the cells in the direction of the tail or connection outlet, which passes through the bottom of the cell and means for retaining the contacts in their cells for oppose their extraction; the contact body having a retaining shoulder capable of coming, during insertion, to be applied against a complementary shoulder of the socket which receives it to limit the insertion of the contact, characterized in that the tail, initially disposed in the extension of the body is folded outside the cell against a support surface preventing the extraction of the contact, means being preferably provided to prevent rotation of the contact in its cell.
  • a contact element for example male or female
  • a body and a connection tail or outlet a support or housing insulator having an equal number of cells individually housing said contacts, the latter being inserted into the cells in the direction of
  • the support or housing has, on the outside of the cell and on the side of the connection outlet, a groove whose transverse dimension is equal to or very slightly greater than the thickness, in the same direction, of the outlet or connection tail, the bottom of said groove constituting said surface of the support preventing extraction of the contact. It is thus possible to simply maintain in rotation a contact whose body is cylindrical or whose dimensions are such that could turn or rotate in the socket.
  • the retaining shoulder presented by the body is preferably simply constituted by a shoulder ensuring the transition between the body and the connection outlet, this shoulder cooperating with the bottom of the cell in the vicinity of an orifice in the bottom letting the contact connection output.
  • the abutment or shoulder means limiting the movement of insertion of the body into the socket can be arranged at other locations and cooperate with corresponding counter-surfaces or shoulders of the support in the alveolus.
  • the surface located outside the cell, against which the outlet or tail connection is folded forms with the direction of this outlet before its folding an angle slightly greater than that formed by the outlet connection to the folded state with its initial direction, of a value substantially corresponding to the elastic return during folding.
  • the connection outlet to make an angle of 90 ° with the initial direction
  • the angle of the retaining surface with the initial direction of contact is greater than 90 ° by a small value corresponding to this elastic return.
  • the outlet or connection tail can be folded only once so that the axis of the end of the connection tail forms with the axis of the contact itself a fairly large angle, preferably greater than 45 ° and capable of for example be 90 °.
  • connection outlet can be folded a second time, for example to bring it in a direction parallel to the initial direction of the contact and of the connection outlet. It is also possible, if the connection outlet is long enough, to fold it further to bring its end part in the extension of the initial axis.
  • connection outlet any shape, for example a blade contact shape, allowing it to act as an elastic contact element applying against a contact pad. of a part such as for example a printed circuit board.
  • a connection by welding, crimping or winding is unnecessary, the contact tail itself forming a contact element.
  • the invention also relates to a method of mounting the contacts in the device, characterized in that one uses at the start individual contacts having a substantially straight outlet or tail connection in the axis of the cell, in that that the contact is introduced into the socket to pass the connection outlet out of the socket, that contact is maintained in the socket with its retaining shoulder applied against the complementary retaining shoulder of the cell and in that the emerging part of the outlet or connection tail is folded against said support surface, preferably at a groove in this surface, so as to give this emerging part a permanent angular deformation .
  • a contact having a general shape of revolution with a cylindrical body 1a, on either side of which extend coaxially a pin 1b forming the male contact and a connection outlet 1c intended for be connected to a conductor.
  • the transition between the body 1a and the outlet 1 forms an annular shoulder 1d.
  • FIGS. 1 and 2 which are of a known form, are all capable of being incorporated into the invention, as are various other possible forms of contact comprising, in addition to the contact element itself a tail or exit from connection and abutment means such as one or more shoulders at the level of a middle part which may or may not take the form of a thicker body, these abutment means being intended to limit the insertion of the contact into the cell in the insertion direction, i.e. in the direction of the connection outlet.
  • abutment means such as one or more shoulders at the level of a middle part which may or may not take the form of a thicker body
  • FIG 3 we see a support 3 with a section through a cell.
  • the support 3 is produced by molding in one piece. It comprises a plurality of cells 4a of flat shape, open at the lower part at 4b and closed at the upper part by a bottom provided at its central part with a passage 4c for the connection outlet 2c.
  • the bottom thus determines two shoulders 4d against which will be able to abut the shoulders 2d of the contact.
  • the passage 4c opens at the bottom of a groove 5 which opens freely on one of the lateral faces 3a of the support.
  • the bottom of the groove 5, on the side where this groove is interrupted at 5a and above the shoulder 4d has a rectilinear shape parallel to the upper surface 3b of the support and to the shoulders 4d.
  • the bottom part 5b which goes towards the face 3a, is inclined so as to form a fairly small angle, of the order of a few degrees, with the plane of the shoulders 4d.
  • connection outlet 2c crosses the passage 4c, the final position being reached when the shoulders 2d come into contact with the shoulders 4d ( Figure 4).
  • connection outlet 2c in the groove 5 (as shown by an arrow in Figure 4) until it comes to rest against the inclined surface 5b, then forming with its initial direction an angle greater than 90 ° , the introduction into the groove 5 can be favored by an inclination of the sides of this groove.
  • the connection outlet 2c pivots slightly in the opposite direction to that of the arrow under the effect of the residual elasticity and adopts the position shown in 2'c in broken lines, position in which the connection outlet makes an angle of 90 ° with its initial direction.
  • connection outlet 2c is in contact with the bottom 5b of the groove 5, only in the vicinity of the passage 4c.
  • the contact is thus kept immobilized in the cell and the connection outlets in position 2'c are all oriented perpendicular to the face 3a of the support 3 in a perfectly determined direction. It is also understood that, if the cell is of cylindrical shape and receives a contact such as that shown in Figure 1, the connection outlet, arranged folded in the groove 5, immobilizes the contact in rotation.
  • connection outlet 2c through an orifice made in a printed circuit board 7 and by soldering in a known manner at 8, the contact so as to ensure electrical continuity with a conductive pad carried in this location by the card 7.
  • An edge of the printed circuit card 7 is fixed against the support 3 by means not shown in Figure 5, the surface 3a being applied against said card while the pins 2b extend parallel to the plane of the card.
  • connection outlet 2c after being bent as shown in Figure 4 to form a first bend 2e, has been folded a second time in 2f in a direction bringing the end of the outlet 2c in a parallel direction but offset from the initial axis which is at the same time that of the pin 2b.
  • a card 7 can be placed in a position this time perpendicular to the face 3a of the support 3.
  • connection tails 2c after having been folded a first time so as to prevent the extraction of the contacts, receive several other curvatures so as to present towards the end a curved part 2g having its convexity towards the printed circuit board 9.
  • the ends 2g of the two contacts are applied with a relatively high elastic pressure against the two faces of the printed circuit board 9 at the level of conductive pads thereof so as to produce in these locations electrical continuity, the elastic pressure depending in particular on the angles of the various points of curvature or of folding of the connection outlet 2c. This must, of course, have a sufficient length at the start to allow reaching the desired final configuration which is shown in the drawing.
  • connection outputs actually play a contact role and it is even possible to use the pins 2b not as male contacts but as permanent connection elements, for example by welding, winding etc.
  • the two supports 3 can be either independent and fixed against the printed circuit board in any way or held in their position in parallelism by holding means (not shown) or both supports 3 can form a molded block in one piece leaving in its central part a passage for the card 9.
  • FIG. 8 there is shown a complex support making it possible to receive contacts of the same type as that represented in FIG. 1.
  • the molded support 10 shown has at least two parts of different heights, namely a part 10a provided with a row of cells 11a and a part 10b also provided with a row of cells 12a, the height of the part 10b being less than that of part 10a.
  • the cells 11a and 12a of the two rows have a cylindrical shape, the cells 11a being of greater length than the cells 12a.
  • the shapes of the grooves, passages for the connection outlets and bottom groove surfaces are identical to those shown in FIG. 3.
  • the contacts such as those shown in Figure 1 while, in the cells 11a, one comes to insert similar contacts but whose body is significantly more elongated. Once the connection outlets have been folded back into the grooves, the contacts are all immobilized in rotation and kept in their position inside the cells.
  • mold elements for molding device supports according to the invention.
  • the side and bottom walls of the mold have not been shown.
  • the cells which in this example are cylindrical, are determined by mold cores 13 of cylindrical shape carrying at their upper end a positioning recess 13a.
  • the cavity of the cell 12a is molded around the core 13.
  • the passage 12c is produced by an extension 14a of an upper mold part 14, which also has reliefs 14b making it possible to determine the formation of the grooves 5 and the bottoms of throat 5b.
  • the extension 14a ensuring the completion of the passage 12c, continues itself by a positioning tip 14c which is received exactly by the recess 13a of the core 13.
  • the release takes place by moving the core 13 and the mold part 14 away each other out of the molded support.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)

Claims (10)

1. Kontaktschaltwerk bestehend aus mindestens einem und vorzugsweise mehreren, ein Kontaktelement darstellenden Einzelkontakten (1b, 2b), einem Gehäuse (1a, 2a) und einem Anschlußschaft oder -ausgang (1 c, 2c), einem Stützisolator oder -gehäuse (3, 10) mit einer gleichen Anzahl von Steckerbuchsen (4a, 11a, 12a), in denen besagte Kontakte untergebracht sind, diese letzteren sind in die Steckerbuchsen in Richtung des Anschlußschafts oder -ausgangs eingesetzt, der den Boden der Steckerbuchse kreuzt, und Vorrichtungen zur Halterung der Kontakte in ihren Steckerbuchsen, damit die nicht herausgezogen werden können; das Kontaktgehäuse (1a, 2a) ist eine Schulterhalterung (1d, 2d), die sich bei der Insertion gegen einen zusätzlichen Ansatz (4d, 11 d, 12d) der Steckerbuchse drückt, die ihn aufnimmt, um die Insertion des Kontakts zu begrenzen, gekennzeichnet indem der ursprünglich in der Verlängerung des Gehäuses angeordnete Anschlußausgang (1c, 2c) an der Außenseite der Steckerbuchse gegen Stütz- (3, 10) Flache (5b) umgefalzt ist, die das Herausziehen des Kontakts verhindert.
2. Gerät gemäß Anspruch 1, gekennzeichnet durch die Beinhaltung von Vorrichtungen (5), die eine Drehung des Kontakts in seiner Steckerbuchse verhindert.
3. Geräte gemäß Anspruch 2, gekennzeichnet dadurch, daß die Abstützung (3) an der Außenseite der Steckerbuchse und der Seite des Anschlußausgangs mit einer Auskehlung (5) versehen ist, deren Quermaß gleich der oder sehr gerüngfügig größer ist als die Dicke des Anschlußausgangs (1c, 2c), der Boden (5b) der besagten Auskehlung (5) bildet die besagte Fläche, die das Herausziehen des Kontakts verhindert.
4. Gerät gemäß einem beliebigen der Ansprüche 1 bis 3, gekennzeichnet dadurch, daß die Schulterhalterung (1d, 2d) des Konraktgehäuses einfach durch einen Ansatz gebildet wird, der den Übergang zwischen dem Gehäuse (1 a, 2a) und den Anschlußausgang (1 c, 2c) gewährleistet, der besagte Ansatz wirkt gemeinsam mit dem Boden (4d, 11d, 12d) der Steckerbuse neben einer Öffnung im Boden (4c, 11c,12c) derselben.
5. Gerät gemäß einem beliebigen der Ansprüche 1 bis 4, gekennzeichnet dadurch, daß die Halterungsfläche (5) mit der Endrichtung des Anschlußausgangs (1 c, 2c) neben ihrem Steckerbuchsenausgang einen leichten der elastischen Rückfederung nach der Krümmung entsprechen den Winkel bildet.
6. Gerät gemäß einem beliebigen der Ansprüche 1 bis 5, gekennzeichnet dadurch, daß der Anschlußausgang (2c) nach der Falzung (2e) gegen besagte Halterungsfläche (5b) mindestens mit einem zweiten Falz (2f) versehen ist, der ihn von der besagten Fläche fernhält.
7. Gerät gemäß einem beliebigen der Ansprüche 1 bis 6, gekennzeichnet dadurch, daß das äußerste Ende des Anschlußausgangs (2c) eine Leiterplatte (7) kreuzt, auf welche der Anschlußausgang aufgeschweißt ist, die Abstützung (3) ist mit der besagten Leiterplatte (7) verbunden.
8. Gerät gemäß Anspruch 6, dadurch gekennzeichnet, daß das äußerste Ende des besagten Ausgangs ein gekrümmtes Teilstück (2g), bildet, das imstande ist, sich an eine Leitzone anzulegen, um einen elektrischen Kontakt zu gewährleisten.
9. Gerät gemäß einem beliebigen der Ansprüche 1 bis 7, gekennzeichnet dadurch, daß die Abstützung (10) mit mindestens zwei Steckerbuchsen reihen (11a, 12b) verschiedener Tiefe versehen ist, die Stützflächen (10a, 10b) durch welche die Anschlußausgänge geführt werden, sind somit auf versetzten Niveaus angeordnet.
10. Verfahren beim Einsetzen von Kontakten in ein Gerät gemäß einem beliebigen der vorstehenden Ansprüche, gekennzeichnet dadurch, daß man zu Anfang Einzelkontakte mit einem Anschlußausgang oder -schaft verwendet, die in der Achse der Steckerbuchse deutlich gradlinig angeordnet sind, indem man den Kontakt in die Steckerbuchse einführt, um den Anschlußausgang außerhalb der Steckerbuchse zu führen, indem man den Kontakt in der Steckerbuchse mit seiner gegen die zusätzliche Schulterhalterung angelegten Schulterhalterung der Steckerbuchse beibehält, und indem man den hervorstehenden Teil des Anschlußausgangs gegen die besagte Stützfläche umfalzt, vorzugsweise auf der Ebene einer Auskehlung dieser Fläche und zwar so, daß dieser hervorstehende Teil permanent winkelförmig umgeformt ist.
EP84400010A 1984-01-04 1984-01-04 Kontaktverbindungseinrichtung und Verfahren zur Montage dieser Kontakte in der Einrichtung Expired EP0148037B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE8484400010T DE3469980D1 (en) 1984-01-04 1984-01-04 Contact connection device and a method of mounting said contacts in the device
EP84400010A EP0148037B1 (de) 1984-01-04 1984-01-04 Kontaktverbindungseinrichtung und Verfahren zur Montage dieser Kontakte in der Einrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP84400010A EP0148037B1 (de) 1984-01-04 1984-01-04 Kontaktverbindungseinrichtung und Verfahren zur Montage dieser Kontakte in der Einrichtung

Publications (2)

Publication Number Publication Date
EP0148037A1 EP0148037A1 (de) 1985-07-10
EP0148037B1 true EP0148037B1 (de) 1988-03-16

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EP84400010A Expired EP0148037B1 (de) 1984-01-04 1984-01-04 Kontaktverbindungseinrichtung und Verfahren zur Montage dieser Kontakte in der Einrichtung

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DE (1) DE3469980D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19902428C1 (de) 1999-01-22 2000-07-06 Mannesmann Vdo Ag Verfahren zum Verbinden eines Kabels mit einer Leiterplatte und Gehäuse mit einem nach dem Verfahren mit der Leiterplatte verbundenen Kabel
JP2005072385A (ja) * 2003-08-26 2005-03-17 Sumitomo Wiring Syst Ltd バスバーのタブとプリント基板の半田接続構造

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215968A (en) * 1960-12-21 1965-11-02 Adolf L Herrmann Printed circuit board connector
US3264597A (en) * 1963-04-03 1966-08-02 Schjeldahl Co G T Multi-prong electrical connector
DE1802821A1 (de) * 1968-10-12 1970-06-04 Standard Elek K Lorenz Ag Hochpoliger Steckverbinder fuer die Fernsprech- oder eine andere Informationen verarbeitende Technik
DE2925590A1 (de) * 1978-06-29 1980-01-17 Bunker Ramo Elektrische kontaktanordnung fuer einen an einer gedruckten schaltung anschliessbaren verbinder

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EP0148037A1 (de) 1985-07-10
DE3469980D1 (en) 1988-04-21

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