EP0290827A2 - Connecteur électrique pour plaques à circuits imprimés - Google Patents

Connecteur électrique pour plaques à circuits imprimés Download PDF

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Publication number
EP0290827A2
EP0290827A2 EP88106310A EP88106310A EP0290827A2 EP 0290827 A2 EP0290827 A2 EP 0290827A2 EP 88106310 A EP88106310 A EP 88106310A EP 88106310 A EP88106310 A EP 88106310A EP 0290827 A2 EP0290827 A2 EP 0290827A2
Authority
EP
European Patent Office
Prior art keywords
circuit board
connector according
fastening parts
connector
pin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP88106310A
Other languages
German (de)
English (en)
Other versions
EP0290827A3 (fr
Inventor
Dietmar Harting
Hans Dipl.-Ing. Nagel
Horst Dipl.-Ing. Nowacki
Siegfried Nötzel
Horst Dipl.-Ing. Blomenkamp
Martin Dipl.-Ing. Schmidt
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.)
Harting Electronics GmbH and Co KG
Original Assignee
Harting Electronics GmbH and Co KG
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
Priority claimed from DE19873715893 external-priority patent/DE3715893A1/de
Priority claimed from DE19873723347 external-priority patent/DE3723347A1/de
Application filed by Harting Electronics GmbH and Co KG filed Critical Harting Electronics GmbH and Co KG
Publication of EP0290827A2 publication Critical patent/EP0290827A2/fr
Publication of EP0290827A3 publication Critical patent/EP0290827A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • H01R12/724—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits containing contact members forming a right angle
    • 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
    • H01R12/585—Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board

Definitions

  • the invention relates to an electrical connector for printed circuit boards with a housing arrangement which, in the direction parallel to the circuit board, contains a plurality of contact elements which each have a bent connecting tab on the rear, which can be soldered to conductor tracks of the circuit board, and which have pins which extend at right angles to the alignment of the contact elements sit, which consist of solderable material and can be inserted into holes in the circuit board.
  • the circuit boards are provided with the connectors in separate work steps and if necessary in a solder bath. other components provided on the circuit board soldered. It is necessary that the connectors are already firmly connected to the circuit board during the insertion process (first work step) in such a way that they retain their position even during subsequent work and transport processes.
  • the insulators of the connectors are so firmly connected to the circuit board that, when the mating connector is inserted and removed in use, the forces that occur are not transmitted to the circuit board via the contact connections but via side support and mounting flanges.
  • the connector insulating bodies are fastened to the printed circuit board via screw or rivet connections in the area of the support and fastening flanges.
  • the invention is based on the object to improve a connector with respect to its attachment to the printed circuit board in such a way that a large tolerance range with regard to the diameter of the mounting holes in the circuit board and the spacing of the holes can be exploited, with a vibration and transport safe Pre-assembly of the connector on the circuit board should be ensured, which can be done easily / without great effort in automatic manufacturing / assembly systems, and finally the same security of the connector can be achieved on the circuit board as with conventional screw or rivet fastening.
  • the housing arrangement is provided laterally with opposing to the alignment of the contact elements supporting and mounting flanges, in which there are recesses extending parallel to the supporting surface, and that each pin from an angled and rolled end of an existing of resilient sheet metal material Fastening part is formed, the form-fitting in the respective recess is available.
  • Another object of the invention was, in a connector that is provided with a metallic housing or shielding part, in addition to the attachment of the connector on the circuit board and an electrically conductive connection between the metallic housing and the circuit board or the conductor tracks on the Provide circuit board without using one of the existing contact pins of the connector (loss of contact).
  • This object is achieved in that the fastening parts are provided with a contact lug adjoining the mounting area, and in that the fastening parts are connected by means of this contact lug to a metallic housing part of the connector.
  • the advantages achieved by the invention are in particular that a very large tolerance range of the hole diameter of the printed circuit board holes can be exploited by the tubular, resilient pin of the fastening part without the fastening reliability of the preassembled connector being impaired or that excessively high press-in forces for inserting the Fastening pins in the holes are required.
  • large tolerances with regard to the spacing between the holes are easily compensated for, so that overall no high demands have to be made on the manufacturing accuracy of these parts.
  • the connector can be positioned and fastened to the circuit board in automatic production systems without problems, all operations being carried out from the top (component side) of the circuit board, no deformation / screwing work by tools on the underside .ä. is necessary and low assembly forces are required.
  • tubular pins of the fastening parts are provided with a locking bracket (locking shoulders), there is another advantage in that the connector is held in place by simply pressing the pins into the circuit board holes.
  • the cylindrical mounting area of the pin then provides a good hold in all load directions.
  • the locking bracket of the connector on the circuit board ensures secure attachment until the final soldering.
  • the conical ends of the tongues make it easy to press in the pins even if necessary. different bore diameters or bore spacings due to tolerance. If the pins are longer overall than the other solder pins of the connector, the connector is precentered when it is placed on the circuit board, so that the solder pins are aligned precisely with the mounting holes provided for this purpose.
  • the device according to the invention can be used both for connectors which are provided in a conventional manner with soldering pins or press-in pins, and for connectors which are designed for surface mounting (SMD).
  • SMD surface mounting
  • the advantage is that an electrical connection (ground connection) is achieved from the printed circuit board to the mating connector or its printed circuit board, without having to use a connector contact.
  • an electrical connection ground connection
  • a connector 1 which is placed on a circuit board 2, is shown.
  • the connector essentially consists of an insulating body 3, in which the contact elements 4 are held.
  • the contact elements are provided with solder pins 5, which are inserted into holes in the circuit board and are soldered here to the further conductor tracks 6.
  • the connector is provided with a metallic housing 7, in which the insulating body 3 is fastened.
  • Lateral support and fastening flanges 8 are provided on the insulating body, the underside 9 of which lies flat on the surface of the printed circuit board.
  • Recesses 10 are formed in the flanges, into which fastening parts 11 are inserted in a form-fitting manner.
  • the fastening parts are provided with a metallic tubular pin 12 which protrudes from the underside 9 of the flanges 8 and dips into a bore 13 in the printed circuit board 2.
  • the hole is surrounded on the back of the circuit board with a metallization 14 to which the pin is soldered.
  • a metallization 14 to which the pin is soldered.
  • printed circuit boards with metallization on both sides are used, in which case the inner bore walls can also be provided with a metallization.
  • FIGS. 3 and 4 show the formation of the recess 10 in the flange 8 of the connector.
  • the fastening part 11 is pushed into the recess 10 and held there in a form-fitting manner.
  • slot-shaped guides 15 are provided in the flange are located in the side walls of the recess 10 and extend parallel to the underside of the flange 9 at a distance from it. So that the fastening part can be pushed in, the recess is designed to be open on the side, while the end region 16 is closed and rounded in accordance with the geometry of the projecting pin 12. In this way, the end position of the fastening part / pin is clearly determined.
  • the mounting part cf. FIG.
  • a central region is raised in the recess 10 and is designed as a support surface 19 or support surface for the rear region 20 of the pin 12 of the fastening part.
  • an opening 21 is formed in the end region of the recess 10, into which fixing tongues 22 arranged on the fastening part / pin dip.
  • a contact tab 23 is formed on the mounting section 17, which ends with an eyelet 24.
  • This contact tab / eyelet is arranged at right angles to the mounting section and leads into the area of the metallic housing 7 of the connector.
  • the mounting part is electrically conductively connected to the housing by a rivet connection 25.
  • the fastening part is preferably made in one piece from a flat, resilient sheet metal material.
  • the pin 12 is conical and tubular. The conicity serves to facilitate the insertion of the pin into the correspondingly dimensioned circuit board bore 13.
  • the pin is provided with an axial slot 26.
  • an axial bead 27 pronounced.
  • FIGS. 6 to 8 show modified configurations of the fastening part, these modifications relating to the pin 12.
  • the pin is provided with a cylindrical region 28 and a front conical region 29. It is provided here that the conical region serves to facilitate insertion and the cylindrical region serves to hold it in the circuit board bore.
  • the pin 12 of the fastening part shown in FIG. 7 is provided with a latching projection 30 which, after the pin has been pressed into the circuit board bore, engages behind the circuit board and brings about an optimal fastening of the pin in the bore.
  • the pin 12 of the fastening part shown in FIG. 8 is provided with a rear, slightly conical area 31 with a small cone angle ⁇ and a front area 32 with a larger cone angle ⁇ . The front area is used to facilitate insertion and the rear area is used for clamping into the PCB hole.
  • Fig. 9 the flange area of the connector 1 placed on a circuit board 2 is shown in section, here a fastening part 11 'with a modified fastening pin 12' is provided.
  • the fastening part is also formed except for the pin and arranged in the connector flange 8, as already explained above for FIGS. 1 to 4. Therefore, only the corresponding reference numbers are entered in the illustration in FIG. 9, without these details being explained again here.
  • the deviating configuration of the pin 12 ' will now be explained with reference to the fastening part 11' shown in different views in FIG.
  • the fastening part is preferably made from a flat, resilient sheet metal material as a one-piece stamped and bent part.
  • the fastening in a printed circuit board bore pin 12 ' consists in the fastening area of a first tubular, cylindrical area 33 and a second area formed by tabs / spring tongues 34. These spring tongues are distributed around the circumference of the tubular area and in the area of the "connection" so cranked that an outwardly facing locking shoulder 35 is formed.
  • the pin 12 ' is formed so that the cylindrical region 33 is after the connector 1 is placed inside the circuit board bore 13 and that the cranking / locking shoulders 35 are arranged so that they engage behind the circuit board underside 36.
  • the material of the pin is thin and resilient, so that the spring tongues 34 can initially spring inwards when the pin is inserted into a circuit board bore, but spring outwards after the complete insertion, the latching shoulders 35 behind the circuit board Grab the bottom 36 and bring about a secure locking bracket.
  • the tongue ends 37 are slightly tapered towards each other.
  • the pins / tongues overall have a greater length than the solder pins 5. Dabie is first pre-centered when the connector is placed on the circuit board, so that the remaining solder pins are easier to insert into the corresponding circuit board. Holes can be inserted.

Landscapes

  • Multi-Conductor Connections (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
EP88106310A 1987-05-13 1988-04-20 Connecteur électrique pour plaques à circuits imprimés Withdrawn EP0290827A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3715893 1987-05-13
DE19873715893 DE3715893A1 (de) 1987-05-13 1987-05-13 Einrichtung zur befestigung von steckverbindern an leiterplatten
DE19873723347 DE3723347A1 (de) 1987-07-15 1987-07-15 Einrichtung zur befestigung von steckverbindern an leiterplatten
DE3723347 1987-07-15

Publications (2)

Publication Number Publication Date
EP0290827A2 true EP0290827A2 (fr) 1988-11-17
EP0290827A3 EP0290827A3 (fr) 1990-05-09

Family

ID=25855523

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88106310A Withdrawn EP0290827A3 (fr) 1987-05-13 1988-04-20 Connecteur électrique pour plaques à circuits imprimés

Country Status (2)

Country Link
EP (1) EP0290827A3 (fr)
JP (1) JPH0511663Y2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2648665A1 (fr) * 1989-06-14 1990-12-21 Jaeger Systeme de connexion
DE3939746A1 (de) * 1989-12-01 1991-06-06 Cannon Electric Gmbh Stift zum verrastbaren befestigen in einer bohrung einer leiterplatte oder dgl.
GB2272800A (en) * 1992-10-28 1994-05-25 M A Com Greenpar Limited Mounting component on circuit board
DE102022212812A1 (de) 2022-11-29 2024-05-29 Robert Bosch Gesellschaft mit beschränkter Haftung Steckverbinder und Kontaktanordnung

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2537878Y2 (ja) * 1989-06-28 1997-06-04 本多通信工業株式会社 プリント基板用コネクタ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8436267U1 (de) * 1983-12-13 1985-03-14 Amp Inc., Harrisburg, Pa. Elektrischer Verbinder
GB2151417A (en) * 1983-12-16 1985-07-17 Kitagawa Ind Co Ltd Lead wire holder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8436267U1 (de) * 1983-12-13 1985-03-14 Amp Inc., Harrisburg, Pa. Elektrischer Verbinder
GB2151417A (en) * 1983-12-16 1985-07-17 Kitagawa Ind Co Ltd Lead wire holder

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2648665A1 (fr) * 1989-06-14 1990-12-21 Jaeger Systeme de connexion
DE3939746A1 (de) * 1989-12-01 1991-06-06 Cannon Electric Gmbh Stift zum verrastbaren befestigen in einer bohrung einer leiterplatte oder dgl.
DE3939746C2 (de) * 1989-12-01 1998-08-20 Itt Cannon Gmbh Stift zum verrastbaren Befestigen in einer Bohrung einer Leiterplatte oder dgl.
GB2272800A (en) * 1992-10-28 1994-05-25 M A Com Greenpar Limited Mounting component on circuit board
DE102022212812A1 (de) 2022-11-29 2024-05-29 Robert Bosch Gesellschaft mit beschränkter Haftung Steckverbinder und Kontaktanordnung

Also Published As

Publication number Publication date
JPS63182071U (fr) 1988-11-24
EP0290827A3 (fr) 1990-05-09
JPH0511663Y2 (fr) 1993-03-23

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