EP2235794B1 - Einpresskontakt mit einem sockel, einem kontaktstift und einem zweiten stift - Google Patents

Einpresskontakt mit einem sockel, einem kontaktstift und einem zweiten stift Download PDF

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Publication number
EP2235794B1
EP2235794B1 EP08871024A EP08871024A EP2235794B1 EP 2235794 B1 EP2235794 B1 EP 2235794B1 EP 08871024 A EP08871024 A EP 08871024A EP 08871024 A EP08871024 A EP 08871024A EP 2235794 B1 EP2235794 B1 EP 2235794B1
Authority
EP
European Patent Office
Prior art keywords
pin
contact
contact pin
press
tip
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.)
Active
Application number
EP08871024A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2235794A1 (de
Inventor
Ronny Ludwig
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2235794A1 publication Critical patent/EP2235794A1/de
Application granted granted Critical
Publication of EP2235794B1 publication Critical patent/EP2235794B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R12/50—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/49128—Assembling formed circuit to base

Definitions

  • the invention relates to a press-in contact with a socket, a contact pin and a second pin which extends parallel to the contact pin, a housing with a contact pin and a second pin or two further pins which extend parallel to the contact pin, a method for insertion a printed circuit board in a housing having a contact pin and a second pin which extends parallel to the contact pin and a printed circuit board having at least two recesses of the at least one first recess has a contact sleeve for receiving a Einpresspins.
  • Such a press-in contact with a press-in base and with at least two contact pins designated therein as press-in pins is known.
  • Einpresssockel is arranged between the two Einpresspins, extending from the underside of the press-in base extending slot-shaped recess. This ensures an elastic behavior when pressing in the press-fit contact having at least two press-in pins into press-in bores of a printed circuit board.
  • a contact pin for pressing into a plated-through hole which has two spaced apart by an elongated opening contact legs in a press-fit.
  • the contact pins have a sharp-edged pin tip formed by a stamping and stamping process.
  • Plastic housing used, in which these press-fit contacts are injected as inserts.
  • a circuit board is insertable into the plastic housing and has recesses with copper sleeves to make electrically conductive contact with the press-fit pins of the press-fit contacts.
  • the press-fit pins arranged inside the housing penetrate the copper sleeves. If the printed circuit board and the housing are positioned inaccurately relative to one another during the press-fitting process, damage to the copper sleeve occurs. Spilled metallic particles cause electrical short circuits on the circuit board.
  • the invention has for its object to provide a simple press-fit.
  • an aid should be provided by means of which a simple and accurate positioning between the printed circuit board and a contact pin arranged in a housing is made possible.
  • the second pin protrudes beyond the contact pin and at the same height to a tip of the contact pin on a largest extent and protrude the two other pins beyond the contact pin and have at the same height to a tip of the contact pin on a largest circumference.
  • the following method steps are used: The printed circuit board is slidably inserted into the housing from the second pin in a lateral direction such that a tip of the contact pin penetrates into a recess without contact and a press-fit part of the contact pin is pressed into the printed circuit board.
  • the second pin acts as Vorzentrierpin and is slightly longer in its length than the contact pin and has its widest point in the area of the pin tip of the contact pin.
  • the pre-centering pin is also referred to as a centering pin or pin.
  • the width of the pre-centering pin at the widest point is chosen so that the tolerances of the circuit board are absorbed by the tapered shape of Vorzentrierspitze, and the circuit board is corrected laterally when dropped by the Vorzentrierspitze.
  • the press-fit contact with the contact pin and the pre-centering pin is produced in a single process step.
  • the manufacturing process is a stamping-stamping process. Since the contact pin and the Vorzentrierpin are integrally formed with the base, tolerances are small.
  • the press-fit contact is reproducible with low tolerances.
  • the centering pin has a smaller circumference than the press-in part at the level and over a length of the press-in part of the contact pin. For a mechanical over-determination of the circuit board in the pressed state is safely avoided.
  • the second pin is formed in an arrow shape with a cuboid shaft and a tip.
  • the Vorzentrierpin tapers towards the base and forms the shaft.
  • the shaft is elongated and of small circumference.
  • the widest point of the Vorzentrierpins has a slight clearance within the Vorzentrierbohrung, so that the circuit board is not laterally overdetermined at the beginning of the Einpressvorgangs.
  • the press-fit is also referred to as insert, which can be inserted into a mold and then coated with plastic, that is pourable into a plastic housing. The position of the circuit board within the housing is determined only by the Einpresspins. Due to a separate production of the press-fit and the housing a simple undercut of the centering pin is made possible.
  • the contact pin has an elastic press-fit part.
  • the two further pins are arranged on a pedestal.
  • tolerances are small.
  • the two further pins are arranged at two different ends of a housing narrow side or diametrically on two opposite narrow sides of the housing. These are arranged alone or in conjunction with a contact pin in the housing. If the printed circuit board and the housing are positioned inaccurately with respect to one another, larger deviations are intercepted and corrected early on, that is to say at an upper end of the tip, by means of the widely spaced pre-centering pins. Lateral displacement forces are low.
  • a diameter of the second recess has a 1.2 times - twice the diameter, in particular a 1.3 times the diameter of the first recess. This allows a simple centering of the circuit board.
  • the hole for the pre-centering pin is without a metal sleeve. There are thus no metallic chips during insertion of Vorzentrierpins. This chip formation of electrically conductive chips and damage to the copper sleeves of the circuit board during threading these are avoided on the Einpresspins. Only organic chips and abrasion of printed circuit board base material such as epoxy or glass fibers can occur. These are electrically uncritical.
  • a printed circuit board is positioned offset to a housing, where the maximum offset must be less than half the width of the precenter tip.
  • FIGS. 1A and 1B show a press-fit 1 with a contact pin 2 and a second pin 3 on a base 4 in a coordinate system 5 with an x, y and a z-axis.
  • the second pin 3 acts as a centering pin 3 and is also referred to as Vorzentrierpin 3 or short as a centering pin 3.
  • the press-fit 1 is punched out of a sheet and then stamped.
  • the sheet has a constant strength.
  • a depth of the press-fit contact 1 results from the sheet thickness, is constant and extends in the y direction.
  • a length and a width of the contact pin 2, the centering pin 3 and the base 4 arise due to the punching and are variable.
  • the contact pin 2 and the centering pin 3 are arranged parallel to each other and extend in the z-direction.
  • the contact pin 2 is symmetrical to a longitudinal axis 6, which extends in the z-direction, formed.
  • the centering pin 3 is formed symmetrically to a second longitudinal axis 7, which extends in the z-direction.
  • the width of the contact pin 2 and the centering pin 3 is defined by an extension in the x direction.
  • the centering pin 3 is arrow-shaped with a cuboid shaft 10 and a tip 11 is formed.
  • the shaft 10 and the tip 11 are also referred to as arrow shaft 10 and arrowhead 11.
  • the tip 11 has a lower part 12 and an embossed upper part 13.
  • the embossed upper part 13 of the tip 11 has limiting embossing edges 14, 15, the lower part 12 and upper part 13 delimit each other and define a transition.
  • the centering pin 3- has two narrow surfaces 16, 17 facing away from one another and two arrowhead-shaped end faces 18, 19 facing away from one another. A width of each narrow surface 16, 17 is defined by the depth of the press-fit contact 1.
  • Each of the narrow surfaces 16, 17 is subdivided into a narrow narrow surface 20, 21, a lower narrow surface 22, 23 and a narrow upper surface 24, 25.
  • the narrow surfaces 16, 17 and the end surfaces 18, 19 are bounded by edges 26-29.
  • the arrowhead 11 is spread open in the direction of the shaft 10.
  • the spread is defined by means of Zentrierpinachse 7.
  • the spread is symmetrical to the Zentrierpinachse 7.
  • the spread is small and takes in an upper arrowhead portion 30 an angle 31 between 20 ° - 25 °, in particular 22 ° to the Zentrierpinachse 7 and in a lower arrowhead portion 32 at an angle 33 between 15 ° - 22 °, in particular 18 ° from.
  • a arrowhead part 34 having a greatest spread also referred to as a arrowhead part 34 having the largest circumference, or as the widest point of the pre-centering pin 3, is achieved. Thereafter, the arrowhead 11 tapers and merges into the arrow shaft 10.
  • the contact pin 2 also referred to as a contact pin 2 or press-in pin 2 has a cuboid shaft 41, a cuboid contact part 42 and a tip 43.
  • the contact part 42 has a slot-shaped recess 44 extending in the longitudinal direction and is also designated as an insert part 42. Longitudinally extending edges 45 the cuboid contact part 42 are rounded.
  • the contact pin 2 has an upper end 46 at the tip 43.
  • the cuboid contact part 42 of the contact pin 2 has a larger circumference than the Zentrierpinschaft 10.
  • the cuboid contact part 42 extends at the level of Zentrierpinschaftes 10 below the one largest spreading arrowhead portion 34 and is thus arranged below the largest circumference of the centering pin 3.
  • the contact pin tip 43 is arranged at the level of the largest circumference of the arrowhead part 34.
  • Figure 1C shows the upper part 12 of the centering pin 3.
  • the upper part 12 is pyramid-shaped with the upper narrow faces 24, 25 and two upper part end faces 51, 52 are formed.
  • the upper narrow faces 24, 25 merge into one another at an arrowhead end 53 by means of a curvature 54.
  • the curvature 54 has at the arrowhead end 53 a narrowest point and is bounded by two arcuate edges 55 and 56.
  • the upper part end faces 51, 52 of the pyramidal upper part 12 are bounded by the two arcuate edges 55, 56 and are inclined towards each other in an arrow shape.
  • FIGS. 2A, 2B . 3A, 3B . 4A, 4B . 5A and 5B show a threading operation of the contact pin 2 in a first continuous cylindrical recess 61 of a circuit board 62 during insertion of the circuit board 62 in a housing 63.
  • the first continuous cylindrical recess 61 is bounded by an electrically conductive contact sleeve 64 which is arranged on the circuit board 62.
  • the printed circuit board 62 has a second continuous cylindrical recess 65 adjacent to the first continuous cylindrical recess 61.
  • the press-in contact 1 with the contact pin 2 and the centering pin 3 is arranged in the housing 63.
  • the first continuous cylindrical Recess 61 serves to receive the contact pin 2 and is therefore also referred to as Maischanaus brieflyung 61
  • the second continuous cylindrical recess 65 serves to receive the centering pin 3 and is therefore also referred to as ZentrierpinausANS65.
  • the recesses 61, 65 each have a cylinder axis 66, 67.
  • the recesses 61, 65 are continuous and extend between mutually facing mounting surfaces 68 and 69.
  • the recesses 61, 65 are arranged perpendicular to the mounting surfaces 68, 69 of the printed circuit board 62.
  • a length s of the recess 61, 65 is referred to as recessed portion 70 and corresponds to the thickness of the circuit board 62 and the width of a circuit board narrow side.
  • the printed circuit board 62 is positioned with a maximum possible lateral offset 71 of 0.5 mm from the housing 63 and the maximum possible lateral offset 71 is less than half the width of the pre-centering pin 3.
  • the arrowhead end 53 has of the centering pin 3, an input opening of the second recess 65 pierced and a third of the recessed portion 70 covered, as in the FIGS. 2A and 2B shown.
  • the contact pin 2 is spaced vertically to the circuit board 62 and an extension of the contact pin longitudinal axis 6 is outside the first cylindrical recess 61.
  • the two edges 26, 27 of the Zentrierpinspitze 11 define a narrow surface 16, 17 and are inclined relative to the Zentrierpinlijnsachse 7 and the cylinder axis 67 of the Zentrierpinausnaturalung 65.
  • the circuit board 62 slides on the inclined one Narrow face 16, 17 delimiting edges 26, 27 of the Zentrierpin dictate along and is offset laterally.
  • the arrowhead end 53 of the centering pin 3 has traveled two thirds of the recessed portion 70 within the second recess 65, as in FIGS FIGS. 3A and 3B shown.
  • the end-46 of the contact pin tip 43 has reached a plane of the lower insertion surface 69, the contact pin longitudinal axis 6 has approximated the cylinder axis 66 of the MixpinausEnglishung 61 and is spaced from a peripheral edge 73 of the WhypinausEnglishung 61.
  • the contact pin longitudinal axis 6 is arranged between the cylinder axis 66 of the contact pin recess 61 and the peripheral edge 73 of the contact pin recess 61.
  • the cylinder axes 66, 67 of the contact pin and the ZentrierpinausANSEnglishung 61, 65 are arranged parallel to the contact pin and the ZentrierpinlFigsachse 6, 7.
  • the centering pin arrowhead portion 53 having the largest spread has reached the entrance opening of the recess 65 and bears against the peripheral edge 72, as in FIGS FIGS. 4A and 4B shown.
  • the end 46 of the contact pin tip 43 has set back a third of the distance within the recess 61, the contact pin longitudinal axis 6 has the cylinder axis 66 of MaispinausEnglishung 61 further approximated and is further spaced from a peripheral edge 73 of Whypinausnaturalung 61.
  • the contact pin tip 43 has penetrated without contact into the recess 61 of the printed circuit board 62.
  • the contact pin longitudinal axis 6 is arranged closer to the cylinder axis 66 of the contact pin recess 61 between the cylinder axis 66 of the contact pin recess 61 and the peripheral edge 73 of the contact pin recess 61.
  • the centering pin arrowhead portion 53 having the largest spread has two-thirds of the recessed portion 70 within the second recess 65, as in FIGS FIGS. 5A and 5B shown.
  • the Zentrierpinspitze 11 has a slight clearance within the recess 65.
  • the contact pin tip 43 rests with all four edges 45 against a lower peripheral edge 73 of the contact pin recess 61.
  • the upper end 46 of the contact pin tip 43 has reached a plane of the upper mounting surface 68.
  • a storage position of the circuit board 62 is reached.
  • the press-fitting process of the contact pin 2 in the copper sleeve 64 begins.
  • the circuit board 62 is laterally offset without tilting, so that the tip 43 of the contact pin 2 is inserted into the first recess 61, without touching the contact sleeve 64.
  • a press-fitting position of the printed circuit board 62 is achieved as in FIG FIG. 6 shown.
  • the press-in end position is also referred to as the operating position.
  • the contact part 42 of the contact pin 2 is applied over a large area to the sleeve 64.
  • the centering pin 3 has in height and over the length of the press-in part 42 of the contact pin 2 a small extent.
  • the centering pin shaft 10 which has a small circumference, is arranged.
  • the Zentrierpinschaft 10 is free within the ZentrierpinausEnglishung 65 of the circuit board 62nd
  • FIGS. 7A and 7B show the circuit board 62 with the first and the second recess 61, 65 and the press-fit 1 with the contact pin 2 and the centering pin 3 during a threading of the contact pin 2 in the first recess 61 at the beginning of the threading at a lateral offset in the y direction.
  • two edges 27, 29 of the Zentrierpin dictate 11 against the outer second recess 65 bounding peripheral edge 72 of the circuit board 62.
  • the two edges 27, 29 of Zentrierpinspitze 11 limit an end face 18, 19 and are inclined relative to the Zentrierpinlssensachse 7 and the cylinder axis 67 of the Zentrierpinaus principleung 65 obliquely.
  • the printed circuit board 62 slides along the oblique edges 27, 29 delimiting an end face 18, 19 of the Zentrierpinspitze 11 and is laterally offset.
  • At a maximum possible lateral displacement of the circuit board 62 to the housing 63 in any direction at least one of the edges 26-29 of the Zentrierpinspitze 11 abuts against the outer second recess 65 bounding peripheral edge 72 of the circuit board 62.
  • the circuit board 62 slides along at least one of the edges 26-29 of the centering pin tip 11 and is laterally displaced.
  • Figures 8A and 8A show the circuit board 62 with the first and the second recess 61, 65 and the press-fit 1 with the contact pin 2 and the centering pin 3 during the threading process of the contact pin 2 in the first recess 61 in an advanced stage of the threading at the lateral offset in y Direction.
  • Figures 9A and 9B show the circuit board 62 with the first and the second recess 61, 65 and the press-fit 1 with the contact pin 2 and the centering pin 3 during the threading of the contact pin 2 in the first recess 61 in a further stage of threading at the lateral offset in y Direction.
  • Figures 10A and 10B show a housing 63 with two each having a centering pin 3 and a contact pin 2 and arranged on a narrow side 81 of the housing 63 Einpresscard 1 and the circuit board 62 with the recesses 61, 65 during a threading of the pins 2, 3 in the recesses 61, 65th ,
  • Figures 11A and 11B show a further housing 63 with two each having a centering pin 3 and a contact pin 2 and arranged on two opposite narrow sides 81 of the housing 63 EinpressANDen 1 and the circuit board 62 with recesses 61, 65 during a threading of the pins 2, 3 in the recesses 61, 65.
  • the press-fit contacts 1 are arranged diametrically opposite one another and parallel to the narrow sides 81 of the housing 63. In addition to the press-fit contacts 1 pins are used alone.
  • the contact pins 2 are in recesses 65, the contact sleeves 64, arranged.
  • FIGS. 12A and 12B show a third housing 63 with two each having a centering pin 3 and a contact pin 2 and arranged on a narrow side 81 of the housing press-fit contacts 1 and three contact pins 2 and the circuit board 62 with seven recesses 61, 65 during a threading of the pins 2, 3 in the Recesses 61 and 65.
  • FIGS. 13A and 13B show a fourth housing 63 with two arranged on a base 4 centering pins 3. Offset to the centering pins 3 contact pins 2 are arranged. The two centering pins 3 are arranged at two different ends 82, 83 of a narrow side 81.
  • Figures 14A and 14B show a fifth housing 63 with two individual and arranged in the housing 63 diametrically on opposite narrow sides 81 centering pins 3 and four individually arranged contact pins. 2

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
EP08871024A 2008-01-17 2008-12-18 Einpresskontakt mit einem sockel, einem kontaktstift und einem zweiten stift Active EP2235794B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008004882A DE102008004882A1 (de) 2008-01-17 2008-01-17 Einpresskontakt mit einem Sockel, einem Kontaktstift und einem zweiten Stift
PCT/EP2008/067831 WO2009089981A1 (de) 2008-01-17 2008-12-18 Einpresskontakt mit einem sockel, einem kontaktstift und einem zweiten stift

Publications (2)

Publication Number Publication Date
EP2235794A1 EP2235794A1 (de) 2010-10-06
EP2235794B1 true EP2235794B1 (de) 2012-02-15

Family

ID=40427497

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08871024A Active EP2235794B1 (de) 2008-01-17 2008-12-18 Einpresskontakt mit einem sockel, einem kontaktstift und einem zweiten stift

Country Status (7)

Country Link
US (1) US9166310B2 (ja)
EP (1) EP2235794B1 (ja)
JP (1) JP4940356B2 (ja)
CN (1) CN101911394B (ja)
AT (1) ATE545971T1 (ja)
DE (1) DE102008004882A1 (ja)
WO (1) WO2009089981A1 (ja)

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DE102017120357A1 (de) 2017-09-05 2019-03-07 HELLA GmbH & Co. KGaA Kontakteinrichtung zur elektrischen Verbindung von zwei Leiterplatten
WO2020234478A1 (de) 2019-05-23 2020-11-26 Phoenix Contact Gmbh & Co. Kg Baugruppe mit einem lötstift und einer lötstelle

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Publication number Priority date Publication date Assignee Title
DE102017120357A1 (de) 2017-09-05 2019-03-07 HELLA GmbH & Co. KGaA Kontakteinrichtung zur elektrischen Verbindung von zwei Leiterplatten
WO2020234478A1 (de) 2019-05-23 2020-11-26 Phoenix Contact Gmbh & Co. Kg Baugruppe mit einem lötstift und einer lötstelle

Also Published As

Publication number Publication date
US20110039428A1 (en) 2011-02-17
US9166310B2 (en) 2015-10-20
EP2235794A1 (de) 2010-10-06
JP2011510439A (ja) 2011-03-31
CN101911394B (zh) 2013-03-27
WO2009089981A1 (de) 2009-07-23
JP4940356B2 (ja) 2012-05-30
CN101911394A (zh) 2010-12-08
ATE545971T1 (de) 2012-03-15
DE102008004882A1 (de) 2009-07-23

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