EP0793313B1 - Right angled press fit connector to press in printed circuit holes - Google Patents

Right angled press fit connector to press in printed circuit holes Download PDF

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Publication number
EP0793313B1
EP0793313B1 EP97102817A EP97102817A EP0793313B1 EP 0793313 B1 EP0793313 B1 EP 0793313B1 EP 97102817 A EP97102817 A EP 97102817A EP 97102817 A EP97102817 A EP 97102817A EP 0793313 B1 EP0793313 B1 EP 0793313B1
Authority
EP
European Patent Office
Prior art keywords
printed circuit
press fit
leg
press
shaped
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
EP97102817A
Other languages
German (de)
French (fr)
Other versions
EP0793313A3 (en
EP0793313A2 (en
Inventor
Georges Embo
Rik Sterckx
Franz Czeschka
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
ERNI Electronics GmbH and Co KG
Original Assignee
Tyco Electronics Logistics AG
ERNI 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
Application filed by Tyco Electronics Logistics AG, ERNI Electronics GmbH and Co KG filed Critical Tyco Electronics Logistics AG
Publication of EP0793313A2 publication Critical patent/EP0793313A2/en
Publication of EP0793313A3 publication Critical patent/EP0793313A3/en
Application granted granted Critical
Publication of EP0793313B1 publication Critical patent/EP0793313B1/en
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
    • 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
    • H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
    • H01R12/7011—Locking or fixing a connector to a PCB
    • H01R12/7064—Press fitting
    • 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
    • H01R12/725—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 presenting a contact carrying strip, e.g. edge-like strip
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]

Definitions

  • the invention relates to a press-in connector according to the preamble of claim 1.
  • Such an angled press-in female connector is from the German registered utility model DE 29515592 known. Basically, the pressing is done using a flat stamp, So "over plastic” and without special tools Push pins, also known from DE 3318135 C2.
  • the invention has for its object an improved To create press-in connectors of the type mentioned.
  • the Press part is approximately U-shaped that the free Ends of the U-legs together with the arranged in between Push the plastic body against the front level that the U-base is provided as a pressure surface when pressing in and that at the U-legs one on the circuit board side opposite the Front level recessed mounting pin is formed.
  • the pressed contacts 3 and the plastic body 1 are can be seen particularly well in FIG.
  • the pocket or slot-shaped recesses 7 facing the circuit board Underside of the U-base 12 of the pressed part are special recognizable in Figure 4.
  • the concern of the press-in shoulders 6 on the press-in surfaces 7 goes, for example, from the illustration according to Figure 5, in which the pressed part 2 somewhat is designed differently than in Figure 1.
  • metallic shield cage 18 can be integrated, see FIG. 6.
  • This shield cage 18 also later assumes the ground derivation to the circuit board or the frame ground.
  • tabs 19 clamped between shield plate 8 and press part 2 and S-shaped connectors 20 cranked under molded part 2.
  • these connections 20 are also in the assembly and Pressing inevitably together with the contacts 3 and the two ground leads 10 in the same assembly treatment pressed into the circuit board.
  • the recesses 22 for the Tabs 19 are z. B. recognizable in Figure 4.

Description

Die Erfindung betrifft einen Einpreß-Steckverbinder gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a press-in connector according to the preamble of claim 1.

Eine derartige abgewinkelte Einpreß-Federleiste ist aus dem eingetragenen Deutschen Gebrauchsmuster DE 29515592 bekannt. Grundsätzlich ist das Einpressen mittels eines flachen Stempels, also "über Kunststoff" und ohne Spezialwerkzeuge mit Druckstiften, auch bereits aus der DE 3318135 C2 bekannt.Such an angled press-in female connector is from the German registered utility model DE 29515592 known. Basically, the pressing is done using a flat stamp, So "over plastic" and without special tools Push pins, also known from DE 3318135 C2.

Bei dem in den genannten Schriften dargestellten Einpreßprinzip ist vorgesehen, den senkrecht zur Leiterplatte flächig von oben ausgeübten Druck durch Einpreßflächen im Preßteil direkt auf an den Einpreßabschnitten der Kontakte angeordnete Einpreßschultern zu übertragen. Da der Einpreßdruck sehr nahe und in einer Linie mit der Einpreßzone ausgeübt wird, können bei dieser Einpreßmethode weder Biegemomente noch Ausknickungen der Kontakte entstehen. Problematisch bei den bekannten Steckverbindern ist der konstruktive Aufbau, insbesondere die Anordnung und Befestigung der einzelnen Teile zueinander und zur Leiterplatte hin. Zusätzlich zur mechanischen Stabilität des Aufbaus und zur Befestigungproblematik besteht oft auch das Problem, eine Masse-Übertragungsmöglichkeit vom metallischen Steckgesicht zur Leiterplatte in den bereits weitgehend vorgegebenen Steckeraufbau zu integrieren.In the press-in principle shown in the cited documents is provided, the surface perpendicular to the circuit board pressure exerted from above by press-in surfaces in the press part arranged directly on the press-in sections of the contacts To transfer press-in shoulders. Because the injection pressure is very close and can be exercised in line with the press-in zone with this press-in method neither bending moments nor buckling of contacts. Problematic with the known Connectors are the structural design, especially the Arrangement and attachment of the individual parts to each other and towards the circuit board. In addition to mechanical stability of the structure and the fastening problem often also exists the problem of a mass transfer possibility from the metallic Mating face to the circuit board in the already largely integrate the specified connector structure.

Der Erfindung liegt die Aufgabe zugrunde, einen verbesserten Einpreß-Steckverbinder der eingangs genannten Art zu schaffen.The invention has for its object an improved To create press-in connectors of the type mentioned.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß das Preßteil annähernd U-förmig ausgebildet ist, daß die freien Enden der U-Schenkel zusammen mit dem dazwischen angeordneten Kunststoffkörper an die Frontebene anstoßen, daß die U-Basis als Druckfläche beim Einpressen vorgesehen ist und daß an den U-Schenkeln leiterplattenseitig jeweils ein gegenüber der Frontebene zurückversetzter Befestigungszapfen angeformt ist.This object is achieved in that the Press part is approximately U-shaped that the free Ends of the U-legs together with the arranged in between Push the plastic body against the front level that the U-base is provided as a pressure surface when pressing in and that at the U-legs one on the circuit board side opposite the Front level recessed mounting pin is formed.

Weiterbildungen der Erfindung sind im Unteranspruch 2 gekennzeichnet.Further developments of the invention are characterized in subclaim 2.

Die Erfindung wird nachfolgend an einem Ausführungsbeispiel anhand der Figuren der Zeichnung näher erläutert:

Figur 1:
eine perspektivische Draufsicht auf eine erfindungsgemäße Steckleiste, sowie deren einzelne Teile in Explosionsdarstellung,
Figur 2:
eine perspektivische Einzeldarstellung eines Z-förmigen Masseübertragungsblechs,
Figur 3:
den ersten Kunststoffkörper mit eingesetzten Kontakten,
Figur 4:
eine Ansicht schräg auf die Unterseite des zweiten Kunststoffköpers,
Figur 5:
eine fertigmontierte Steckleiste in perspektivische Ansicht schräg von unten,
Figur 6:
eine perspektivische Ansicht eines Schirmkäfigs,
Figur 7:
eine Ansicht einer Steckleiste mit aufgesetzten Schirmkäfig von der Rückseite her.
The invention is explained in more detail below using an exemplary embodiment with reference to the figures in the drawing:
Figure 1:
3 shows a perspective top view of a plug connector according to the invention, as well as its individual parts in an exploded view,
Figure 2:
2 shows a perspective individual illustration of a Z-shaped mass transfer plate,
Figure 3:
the first plastic body with inserted contacts,
Figure 4:
a view obliquely to the underside of the second plastic body,
Figure 5:
a fully assembled header in perspective view obliquely from below,
Figure 6:
a perspective view of an umbrella cage,
Figure 7:
a view of a header with attached shield cage from the back.

Im oberen Teil der Figur 1 sind einzeln nebeneinander das Schirmblech 8, der Kunststoffkörper 1, zwei Reihen von Kontakten 3, das Preßteil 2 und zwei Masseübertragungsbleche 10 dargestellt. Die Kontakte 3 mit den Einpreßschultern 6 werden zunächst in geradem Zustand in den Kunststoffkörper 1 eingepreßt und anschließend um 90 Grad gebogen. Das Kunststoffpreßteil 2 wird von der Hinterseite über die abgewinkelten Kontakte 3 geschoben, so daß die Einpreßflächen 7 (vgl. auch Figur 4) direkt über den Einpreßschultern 6 zu liegen kommen und mit diesen beim Einpressen zusammenwirken können. Dabei kommt wieder das obengenannte bekannte Einpreßprinzip zum Tragen, so daß weder Biegemomente noch Ausknickungen entstehen. Die Druckfläche 11 der im unteren Teil der Figur 1 dargestellten fertig montierten Steckleiste ist parallel oberhalb zu den Einpreßflächen 7 angeordnet. In diesem Teil der Figur ist auch erkennbar, daß die zum Gegenstecker hin orientierte Stirnfläche 13 des Kunststoffkörpers 1 mit den sich links und rechts davon erstreckenden freien Enden 14, 15 der U-Schenkel des Preßteils eine Linie bildet bzw. gemeinsam an die Rückseite des Schirmblechs 8, 9 anstößt.In the upper part of Figure 1 that are individually next to each other Shield plate 8, the plastic body 1, two rows of contacts 3, the pressed part 2 and two mass transfer plates 10th shown. The contacts 3 with the press-in shoulders 6 first pressed into the plastic body 1 in a straight state and then bent 90 degrees. The plastic press part 2 is angled from the back Contacts 3 pushed so that the press-in surfaces 7 (see also Figure 4) come to lie directly over the press-in shoulders 6 and can interact with them during the pressing. there comes the known press-in principle mentioned above Wear so that there are no bending moments or buckling. The printing surface 11 of the shown in the lower part of Figure 1 The fully assembled header is parallel above arranged to the press-in surfaces 7. In this part of the Figure can also be seen that the oriented towards the mating connector End face 13 of the plastic body 1 with the free ends 14, 15 of the left and right thereof U-leg of the pressed part forms a line or together the rear of the shield plate 8, 9 abuts.

Die eingepreßten Kontakte 3 und der Kunststoffkörper 1 sind besonders gut in Figur 3 zu erkennen. Die taschen- oder schlitzförmigen Aussparungen 7 an der der Leiterplatte zugewandten Unterseite der U-Basis 12 des Preßteils sind besonders in Figur 4 erkennbar. Das Anliegen der Einpreßschultern 6 an den Einpreßflächen 7 geht beispielsweise aus der Darstellung gemäß Figur 5 hervor, in der das Preßteil 2 etwas anderes als in Figur 1 gestaltet ist. The pressed contacts 3 and the plastic body 1 are can be seen particularly well in FIG. The pocket or slot-shaped recesses 7 facing the circuit board Underside of the U-base 12 of the pressed part are special recognizable in Figure 4. The concern of the press-in shoulders 6 on the press-in surfaces 7 goes, for example, from the illustration according to Figure 5, in which the pressed part 2 somewhat is designed differently than in Figure 1.

Die in den Figuren 1, 4 und 5 dargestellten kammartigen Aussparungen 7 haben den weiteren Vorteil, daß das Anschlußraster der Kontakte 3 genau geführt wird. Bei abgestimmter Geometrieauswahl können sogar verschiedene Kontaktquerschnitte wie runde oder rechteckförmige Kontakte in identisch ausgeformten Preßteilen 2 untergebracht werden. Die Erfindung ist selbstverständlich gleichermaßen für Stift- wie für Federleisten geeignet. Am Preßteil 2 sind zwei Kunststoffpresszapfen 16 mitgeformt, welche die mechanische Befestigung des Steckverbinders auf der Leiterplatte gewährleisten. Während der Endmontage können die zwei insbesondere in Figur 1 und 2 dargestellten Masse-Übertragungsbleche 10 eingelegt werden, die eine doppelte Funktion erfüllen:

  • Masse-Übertragung vom Schirmblech bis zur Leiterplatte
  • Möglichkeit für eine mechanische Verriegelung des Gegensteckers über ein im Steckgesicht integriertes Gewinde 17, vgl. Figur 2.
The comb-like recesses 7 shown in FIGS. 1, 4 and 5 have the further advantage that the connection grid of the contacts 3 is guided precisely. With a coordinated choice of geometry, even different contact cross sections such as round or rectangular contacts can be accommodated in identically shaped pressed parts 2. The invention is of course equally suitable for male and female connectors. On the press part 2, two plastic press pins 16 are formed, which ensure the mechanical attachment of the connector on the circuit board. During the final assembly, the two ground transmission plates 10, which are shown in particular in FIGS. 1 and 2, can be inserted, which fulfill a double function:
  • Mass transfer from the shield plate to the circuit board
  • Possibility for mechanical locking of the mating connector via a thread 17 integrated in the mating face, cf. Figure 2.

Die Z-förmige Ausgestaltung ergibt zusammen mit den geschlitzten Befestigungszapfen 16 den besonderen Vorteil, daß für die beiden Funktionen "Befestigung" und "Masse-Übertragung" nicht jeweils zwei, sondern nur ein Leiterplattenloch erforderlich ist. Die - in Figur 1 und 2 etwas unterschiedlich ausgeführten - Leiterplattenanschlußclips 21 mit Einpreßzone haben praktisch keine Befestigungsfunktion mehr.The Z-shaped design together with the slotted Mounting pin 16 the particular advantage that for the two functions "fastening" and "mass transfer" not two, but only one PCB hole is required. The - slightly different in Figures 1 and 2 executed - PCB connector clips 21 with press-in zone have practically no fastening function.

Zur Erfüllung erhöhter Schirmanforderungen ist bei Bedarf ein metallischer Schirmkäfig 18 integrierbar, vergleiche Figur 6. Auch dieser Schirmkäfig 18 übernimmt später die Masseableitung zur Leiterplatte bzw. die Gestellerdung. Dazu werden Laschen 19 zwischen Schirmblech 8 und Preßteil 2 geklemmt und S-preßförmige Anschlüsse 20 gekröpft unter Preßteil 2 ausgeformt. Somit werden auch diese Anschlüsse 20 beim Bestückund Einpreßvorgang zwangsläufig zusammen mit den Kontakten 3 und den zwei Masseableitungen 10 in derselben Montagehandlung in die Leiterplatte eingepreßt. Die Aussparungen 22 für die Laschen 19 sind z. B. in Figur 4 erkennbar.To meet increased screen requirements, if necessary metallic shield cage 18 can be integrated, see FIG. 6. This shield cage 18 also later assumes the ground derivation to the circuit board or the frame ground. To do this, tabs 19 clamped between shield plate 8 and press part 2 and S-shaped connectors 20 cranked under molded part 2. Thus, these connections 20 are also in the assembly and Pressing inevitably together with the contacts 3 and the two ground leads 10 in the same assembly treatment pressed into the circuit board. The recesses 22 for the Tabs 19 are z. B. recognizable in Figure 4.

Claims (2)

  1. Press fit connector for pressing into holes of a printed circuit, whereby L-shaped contacts (3) are pressed in and thereby fastened with one leg of the L in an essentially rectangular synthetic body (1), and laterally guided with the other leg of the L, bent off at a right angle towards the printed circuit, into a pressed part (2) in slot-shaped recesses (4) open towards the printed circuit, and at their free end comprise a press fit section (5), each section being provided with two press fit shoulders (6), whereby the pressed part (2) is foreseen with press fit surfaces (7) which are parallel to the printed circuit and arranged beside the recesses (4) and which during the pressing in cooperate with the press fit shoulders (6), and with which the plug-in face of the connector is formed by a shroud (8), the parts (9) of which, perpendicular to the printed circuit, define a front plane of the connector, characterised in that
       the pressed part (2) is approximately U-shaped,
       the free ends (14, 15) of the U-legs together with the synthetic body (1) arranged in between, are pressed against the front plane,
       the base of the U is provided as a pressure area (11) during the pressing in, and
       a fastening peg (16) set back with relation to the front plane is in each case integrally formed to the U-shaped legs on the side of the printed circuit.
  2. Press fit connector according to claim 1, characterised in that for each U-leg an approximately Z-shaped grounding transmission sheet (10) is foreseen, the short leg of which runs perpendicular to the printed circuit and the long leg of which runs parallel to the printed circuit, whereby the first short leg is inserted between the free end (14, 15) of the U-leg and the shroud (8), whereas the second short leg is designed as a printed circuit connection clip (21) and is arranged between the two halves of the slot-shaped fastening peg (16).
EP97102817A 1996-02-28 1997-02-20 Right angled press fit connector to press in printed circuit holes Expired - Lifetime EP0793313B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19607548 1996-02-28
DE19607548A DE19607548C2 (en) 1996-02-28 1996-02-28 Angled press-in connector for pressing into holes in a printed circuit board

Publications (3)

Publication Number Publication Date
EP0793313A2 EP0793313A2 (en) 1997-09-03
EP0793313A3 EP0793313A3 (en) 1998-12-09
EP0793313B1 true EP0793313B1 (en) 2002-07-17

Family

ID=7786694

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97102817A Expired - Lifetime EP0793313B1 (en) 1996-02-28 1997-02-20 Right angled press fit connector to press in printed circuit holes

Country Status (4)

Country Link
US (1) US5865645A (en)
EP (1) EP0793313B1 (en)
JP (1) JPH1027660A (en)
DE (2) DE19607548C2 (en)

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Also Published As

Publication number Publication date
US5865645A (en) 1999-02-02
DE19607548C2 (en) 1998-02-26
DE19607548A1 (en) 1997-10-23
EP0793313A3 (en) 1998-12-09
JPH1027660A (en) 1998-01-27
EP0793313A2 (en) 1997-09-03
DE59707699D1 (en) 2002-08-22

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