EP0148037A1 - 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
EP0148037A1
EP0148037A1 EP84400010A EP84400010A EP0148037A1 EP 0148037 A1 EP0148037 A1 EP 0148037A1 EP 84400010 A EP84400010 A EP 84400010A EP 84400010 A EP84400010 A EP 84400010A EP 0148037 A1 EP0148037 A1 EP 0148037A1
Authority
EP
European Patent Office
Prior art keywords
contact
connection
contacts
outlet
support
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
EP84400010A
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English (en)
French (fr)
Other versions
EP0148037B1 (de
Inventor
François Robert Bonhomme
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE8484400010T priority Critical patent/DE3469980D1/de
Priority to EP84400010A priority patent/EP0148037B1/de
Publication of EP0148037A1 publication Critical patent/EP0148037A1/de
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.
  • connecting devices or connector elements having a rain - Ralite metal contacts housed in individual cavities formed in a carrier or insulating housing.
  • the individual metal contacts comprise an actual contact element, 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 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 tongues 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 / contacts in the support during the molding of the latter.
  • the size of the support is increased by the presence of the counter plate 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 nients 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 counter-plates 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 insulating housing 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 crosses the bottom of the cell, and means for retaining the contacts in their cells to oppose their extraction, characterized in that the contact body has a retaining shoulder capable of coming, during insertion, to be applied against a complementary shoulder of the cell which receives it to limit the insertion of the contact, the tail, initially arranged in the extension of the body, being folded back outside the socket against a support surface preventing 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 insulating housing having an equal number of cells individually housing said contacts, the latter being inserted into the cells in the direction
  • 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 the body is cylindrical or else whose dimensions are such that it could rotate or pivot in the cell.
  • 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. So, for example, if we want 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, by example to bring it in a direction parallel to the initial direction of the contact and the connection output. 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 is seen with a cylindrical body la, on either side of which extend coaxially a pin lb forming the male contact and a connection outlet lc intended for be connected to a conductor.
  • the transition between the body la and the outlet lc forms an annular shoulder ld.
  • 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 the contact element proper, a tail or connection outlet 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 socket in the direction of insertion, that is to say 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 into the groove 5 (as shown by an arrow in Figure 4) until it come to bear against the inclined surface 5b, then turning 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.
  • 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, posi- .tion in which Here connection outlet makes with its initial direction an angle of 90 °.
  • connection outlet makes with its initial direction an angle of 90 °.
  • the 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.
  • 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 one 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 spindle 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 one can even possibly 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 else the two 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 lOb 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 FIG. 1 whereas, in the cells 11a, one comes to insert similar contacts but whose body is much more elongated. Once the connection outlets are folded back into the grooves, the contacts are all immobilized in rotation and kept in their position inside the cells.
  • FIG 9 there are shown 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.
  • 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 l away one another out of the molded support.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
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 true EP0148037A1 (de) 1985-07-10
EP0148037B1 EP0148037B1 (de) 1988-03-16

Family

ID=8192858

Family Applications (1)

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

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EP (1) EP0148037B1 (de)
DE (1) DE3469980D1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1022810A2 (de) * 1999-01-22 2000-07-26 Mannesmann VDO Aktiengesellschaft Verfahren zum Verbinden eines Kabels mit einer Leiterplatte und Geh-use mit einem nach dem Verfahren mit der Leiterplatte verbundenen Kabel
DE102004041173B4 (de) * 2003-08-26 2007-04-12 Sumitomo Wiring Systems, Ltd., Yokkaichi Lötaufbau zwischen einem Streifen einer Stromschiene und einem bedruckten Substrat

Citations (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
US3636503A (en) * 1968-10-12 1972-01-18 Int Standard Electric Corp Printed circuit board connector
GB2024539A (en) * 1978-06-29 1980-01-09 Bunker Ramo Electrical Contact Assembly for Printed Circuit Board Connector

Patent Citations (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
US3636503A (en) * 1968-10-12 1972-01-18 Int Standard Electric Corp Printed circuit board connector
GB2024539A (en) * 1978-06-29 1980-01-09 Bunker Ramo Electrical Contact Assembly for Printed Circuit Board Connector

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1022810A2 (de) * 1999-01-22 2000-07-26 Mannesmann VDO Aktiengesellschaft Verfahren zum Verbinden eines Kabels mit einer Leiterplatte und Geh-use mit einem nach dem Verfahren mit der Leiterplatte verbundenen Kabel
EP1022810A3 (de) * 1999-01-22 2001-08-08 Mannesmann VDO Aktiengesellschaft Verfahren zum Verbinden eines Kabels mit einer Leiterplatte und Geh-use mit einem nach dem Verfahren mit der Leiterplatte verbundenen Kabel
US6335487B1 (en) 1999-01-22 2002-01-01 Mannesmann Vdo Ag Method for connecting a cable to a printed circuit board, and a housing having a cable connected to the printed circuit board in accordance with the method
DE102004041173B4 (de) * 2003-08-26 2007-04-12 Sumitomo Wiring Systems, Ltd., Yokkaichi Lötaufbau zwischen einem Streifen einer Stromschiene und einem bedruckten Substrat

Also Published As

Publication number Publication date
EP0148037B1 (de) 1988-03-16
DE3469980D1 (en) 1988-04-21

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