EP0128306B2 - Blade connector plug - Google Patents

Blade connector plug Download PDF

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Publication number
EP0128306B2
EP0128306B2 EP84104306A EP84104306A EP0128306B2 EP 0128306 B2 EP0128306 B2 EP 0128306B2 EP 84104306 A EP84104306 A EP 84104306A EP 84104306 A EP84104306 A EP 84104306A EP 0128306 B2 EP0128306 B2 EP 0128306B2
Authority
EP
European Patent Office
Prior art keywords
press
contact pins
abutments
housing member
insulating housing
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
EP84104306A
Other languages
German (de)
French (fr)
Other versions
EP0128306B1 (en
EP0128306A1 (en
Inventor
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.)
ERNI Electronics GmbH and Co KG
Original Assignee
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6199324&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0128306(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by ERNI Electronics GmbH and Co KG filed Critical ERNI Electronics GmbH and Co KG
Priority to AT84104306T priority Critical patent/ATE28375T1/en
Publication of EP0128306A1 publication Critical patent/EP0128306A1/en
Publication of EP0128306B1 publication Critical patent/EP0128306B1/en
Application granted granted Critical
Publication of EP0128306B2 publication Critical patent/EP0128306B2/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
    • H01R12/50—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
    • 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
    • H01R12/727—Coupling devices presenting arrays of contacts
    • 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
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5313—Means to assemble electrical device
    • Y10T29/53174—Means to fasten electrical component to wiring board, base, or substrate

Definitions

  • the invention relates to a male connector according to the preamble of the claim, that is, to components in industrial electronics, in the manufacture of which soldering work is increasingly being replaced by the far more advantageous press-in technology.
  • US-A-4 045 868 shows, inter alia, in a female connector. a removable housing part that can also serve as an insulating housing part and press-in tool. Apart from the fact that there are no contact pins angled towards the printed circuit board, the press-in pressure is also applied to the press-in zone of the pin ends from the top of the pin in this embodiment, without sufficient lateral guidance of the pins to the press-in zone being provided. Incorrect plugging and damage during assembly are the inevitable result.
  • the object of the present invention is therefore to provide suitable structural measures on plug connectors of the type described at the outset in order to be able to use the modern and technically advanced press-in technology here simply and successfully, without the above-described defects occurring during assembly.
  • the press-in ends 7 of the contact pins 4 lying in one or more parallel rows are bent at right angles to a common plane and at the same time serve as a press-in tool and insulating cover, a further housing 9, which is provided with pocket-like or comb-like recesses 10, the back parts 10a above the bends 4a of the press-in posts 4 extend and their webs 11 extend on the one hand to between the shoulder-like stops 8 of adjacent posts 4 and on the other hand rest with a shape 1a of their free ends 11b corresponding to the stops 8 on the top 8a thereof.
  • This design ensures good power transmission during the press-in process from the top housing 9 via the shoulders 8a directly to the area of the press-in ends 7 and secondly ensures that the housing parts 11 lying in the final state between each two adjacent stops or shoulders 8 , 11a, 11b there is perfect electrical insulation from one another.

Landscapes

  • Multi-Conductor Connections (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

A solderless electrical connector for producing a solderless connection between a multiple contact plug equipped with contact pins and a printed circuit board is provided with inserting segments at the free end of the contact pins which inserting segments are inserted by means of an additional insulating member into through-contacted bore holes of the printed circuit board. A tool having guide ducts formed to receive portions of the contact pins can also be used to press the contact pins into circuit board holes.

Description

Die Erfindung bezieht sich auf eine Messerleiste nach dem Oberbegriff des Patentanspruchs, also auf Bauteile in der industriellen Elektronik, bei deren Herstellung Lötarbeiten mehr und mehr durch die weitaus vorteilhaftere Einpreßtechnik ersetzt werden.The invention relates to a male connector according to the preamble of the claim, that is, to components in industrial electronics, in the manufacture of which soldering work is increasingly being replaced by the far more advantageous press-in technology.

Diese Technik ist beispielsweise bereits aus der US-A- 4 125 935 bekannt, wobei bei einer speziellen dort gezeigten Ausführung auf eine Leiterplatte hin abgebogene, aus einem Isoliergehäuse ragende Kontaktstifte in dem einteiligen Gehäuse befestigt sind. Das Einpressen der Kontaktstifte in die Leiterplatte erfolgt dabei durch ein spezielles Werkzeug, das auf der Obeseite des Gehäuses und auf den Oberseiten der aus dem Gehäuse ragenden Kontaktstifte aufliegt. Eine solche Ausgestaltung führt jedoch sehr häufig zu Fehlsteckungen bzw. Beschädigungen durch Verbiegen der Kontaktstifte bei der Montage, weil hier das Einpressen durch Druck auf die Oberseiten der Abwinkelungen erfolgt, also weit entfernt von der eigentlichen EinpreßsteIle an der Leiterplatte und die langen, relativ dünnen Kontaktstifte somit im Zwischenbereich überhaupt keine seitliche Führung erhalten.This technique is already known, for example, from US-A-4 125 935, wherein in a special embodiment shown there bent contact pins protruding from an insulating housing are fastened in the one-piece housing. The contact pins are pressed into the circuit board using a special tool that rests on the top of the housing and on the top of the contact pins protruding from the housing. However, such a configuration very often leads to incorrect plugging or damage due to bending of the contact pins during assembly because the pressing in here takes place by pressure on the upper sides of the bends, i.e. far away from the actual pressing-in parts on the printed circuit board and the long, relatively thin contact pins thus no lateral guidance at all in the intermediate area.

Eine weiterhin aus der US-A- 4 045 868 bekannte Ausführung zeigt bei einer Federleiste u.a. ein abnehmbares Gehäuseteil, das zugleich als Isoliergehäuseteil und Einpreßwerkzeug dienen kann. Abgesehen davon, daß es sich hier um keine auf die Leiterplatte hin abgewinkelten Kontaktstifte handelt, wird auch bei dieser Ausführung der Einpreßdruck auf die Einpreßzone der Stiftenden von der Stiftoberseite her aufgebracht, ohne daß eine ausreichende seitliche Führung der Stifte bis zur Einpreßzone hin vorgesehen ist. Fehlsteckungen und Beschädigungen bei der Montage sind auch hier die unausbleibliche Folge.Another embodiment known from US-A-4 045 868 shows, inter alia, in a female connector. a removable housing part that can also serve as an insulating housing part and press-in tool. Apart from the fact that there are no contact pins angled towards the printed circuit board, the press-in pressure is also applied to the press-in zone of the pin ends from the top of the pin in this embodiment, without sufficient lateral guidance of the pins to the press-in zone being provided. Incorrect plugging and damage during assembly are the inevitable result.

Gleiches oder ähnliches gilt auch für die weiterhin noch bekannten Ausführungen nach den US-A- 4 035 047, 4 202 593, 3 769 679 sowie die DE-C- 31 33 155.The same or similar also applies to the still known designs according to US Pat. Nos. 4,035,047, 4,202,593, 3,769,679 and DE-C-31 33 155.

Aufgabe der vorliegenden Erfindung ist es daher, an Steckverbindern der eingangs beschriebenen Art geeignete bauliche Maßnahmen vorzusehen, um auch hierdie moderne sowie technisch fortschrittliche Einpreßtechnik einfach und erfolgreich anwenden zu können, ohne daß die zuvor beschriebenen Mängel bei der Montage auftreten können.The object of the present invention is therefore to provide suitable structural measures on plug connectors of the type described at the outset in order to be able to use the modern and technically advanced press-in technology here simply and successfully, without the above-described defects occurring during assembly.

Gelöst wird diese Aufgabe dabei durch die im einzigen Patentanspruch definierte Messerleiste, deren besonderer Vorteil in dem als ständige Führung dienenden Formschluß zwischen den beidseits schrägen bzw. geneigt verlaufenden Auflagepartien der Stege sowie Oberseiten der schulterartigen Anschläge zu sehen ist, denn nur dadurch wird die aufgabengemäße, exakte Zentrierung sowie Führung der freien Enden der äußerst empfindlichen, dünnen Kontaktpfosten auf die Lochmitten hin während des gesamten Steck- und Einpreßvorgangs erzielt und Fehlsteckungen durch verbogene Pfosten und damit Ausschuß sicher vermieden.This problem is solved by the knife bar defined in the single patent claim, the particular advantage of which can be seen in the form-fit connection which serves as a constant guide between the obliquely or inclined support portions of the webs and the upper sides of the shoulder-like stops, because only in this way the task-oriented, exact centering and guiding of the free ends of the extremely sensitive, thin contact posts towards the center of the holes during the entire plug-in and press-in process and misplacement through bent posts and thus rejects are reliably avoided.

Ein Ausführungsbeispiel der Erfindung ist anhand der Zeichnungen im folgenden noch näher beschrieben.An embodiment of the invention is described in more detail below with reference to the drawings.

Es zeigen:

Figure imgb0001
Show it:
Figure imgb0001

Aus der perspektivischen Darstellung gemäß Figur 1 ist zunächst einmal der generell bekannte Grundaufbau einer Messerleiste zu erkennen, nämlich, daß die frei aus dem Isoliergehäuse 1 der Leiste 2 herausragenden Anschlußenden 3 der einzelnen Kontaktstifte 4, für die Anwendung der Einpreßtechnik in an sich bekannter Weise einen zum Einpressen in durchkontaktierten Bohrungen 5 von Leiterplatten 6 geeigneten, entsprechend profilierten, Einpreßabschnitt 7 aufweisen, wobei gemäß Fig. 2 und 3 noch zu ersehen ist, daß zur Begrenzung der Einpreßtiefe t die jeweiligen Einpreßabschnitte 7 nach oben, also zum Pfostenschaft 4 hin, mit einem in seinen Abmessungen b gegenüber dem Pfostenquerschnitt q vergrößerten, schulterartigen Anschlag 8 versehen sind.From the perspective view of Figure 1, the generally known basic structure of a male connector can be seen, namely that the connection ends 3 of the individual contact pins 4 protruding freely from the insulating housing 1 of the bar 2, for the application of the press-in technique in a manner known per se have suitable, correspondingly profiled, press-in section 7 for pressing into plated-through holes 5 of printed circuit boards 6, it being still apparent from FIGS. 2 and 3 that the respective press-in sections 7 upward, that is to say to the post shaft 4, to limit the press-in depth t a shoulder-like stop 8 which is enlarged in its dimensions b compared to the post cross-section q.

Die Einpreßenden 7 der in einer oder mehreren parallelen Reihen liegenden Kontaktstifte 4 sind rechtwinklig auf eine gemeinsame Ebene hin abgebogen und als Einpreßwerkzeug sowie Isolierabdeckung zugleich dient ein weiteres Gehäuse 9, welches mit taschen- oder kammartigen Aussparungen 10 versehen ist, deren Rückenteile 10a oberhalb der Abwinklungen 4a der Einpreßpfosten 4 verlaufen und deren Stege 11 sich einerseits bis zwischen die schulterartigen Anschläge 8 jeweils benachbarter Pfosten 4 erstrecken und andererseits mit einer zu den Anschlägen 8 korrespondierenden Formgebung 1a ihrer freien Enden 11b auf der Oberseite 8a derselben aufliegen.The press-in ends 7 of the contact pins 4 lying in one or more parallel rows are bent at right angles to a common plane and at the same time serve as a press-in tool and insulating cover, a further housing 9, which is provided with pocket-like or comb-like recesses 10, the back parts 10a above the bends 4a of the press-in posts 4 extend and their webs 11 extend on the one hand to between the shoulder-like stops 8 of adjacent posts 4 and on the other hand rest with a shape 1a of their free ends 11b corresponding to the stops 8 on the top 8a thereof.

Durch diese Ausbildung erfolgt zum einen eine gute Kraftübertragung während des Einpreßvorgangs vom Aufsatzgehäuse 9 aus über die Schultern 8a unmittelbar auf den Bereich der Einpreßenden 7 und zum anderen ist gewährleistet, daß durch die im Endzustand zwischen jeweils zwei benachbarten Anschlägen bzw. Schultern 8 liegenden Gehäuseteilen 11, 11a, 11b eine einwandfreie elektrische Isolation gegeneinander gegeben ist.This design ensures good power transmission during the press-in process from the top housing 9 via the shoulders 8a directly to the area of the press-in ends 7 and secondly ensures that the housing parts 11 lying in the final state between each two adjacent stops or shoulders 8 , 11a, 11b there is perfect electrical insulation from one another.

Claims (1)

1. Blade connector plug (2) for solder-free connection with the bore holes (5), which are contacted through, of a circuitboard (6), in which the contact pins (4) are fastened by their one ends in an insulating housing member (1) and bent over in one or more rows parallel to one another at right angles towards the circuitboard (6) and comprise a press-in portion (7) and a contact pin upper side (4a) projecting out of the insulating housing member (1), characterised thereby that the contact pins comprise shoulderlike abutments (8, 8a), which are shaped on directly above the press-in portions for limitation of the depth of pressing in, and are laterally guided in comblike or pocketlike slots (10), which are open at the front and rear sides, of a second insulating housing member (9) serving as a press-in tool as well as an insulating cover of the contact pins, so that the comblike or pocketlike slots (10) of the mounted insulating housing member (9) receive each contact pin (7) up to the abutment (8), wherein webs (11), which laterally bound the slots (10) and which are for direct transmission of the pressing in pressure to the abutments (8), are provided attheirfree ends (11 b) with lateral bearing parts (11a) corresponding to the uppersides of the shoulderlike abutments (8), and that the free ends (11 b) of the webs extend so far between the abutments that in the pressed-in state of the latter they lie on the upper side of the circuitboard (6).
EP84104306A 1983-05-18 1984-04-16 Blade connector plug Expired - Lifetime EP0128306B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84104306T ATE28375T1 (en) 1983-05-18 1984-04-16 KNIFE RAIL.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3318135 1983-05-18
DE19833318135 DE3318135A1 (en) 1983-05-18 1983-05-18 SOLDER-FREE ELECTRICAL CONNECTION

Publications (3)

Publication Number Publication Date
EP0128306A1 EP0128306A1 (en) 1984-12-19
EP0128306B1 EP0128306B1 (en) 1987-07-15
EP0128306B2 true EP0128306B2 (en) 1993-04-07

Family

ID=6199324

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84104306A Expired - Lifetime EP0128306B2 (en) 1983-05-18 1984-04-16 Blade connector plug

Country Status (5)

Country Link
US (1) US4550962A (en)
EP (1) EP0128306B2 (en)
JP (1) JPS6047382A (en)
AT (1) ATE28375T1 (en)
DE (2) DE3318135A1 (en)

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Also Published As

Publication number Publication date
EP0128306B1 (en) 1987-07-15
DE3318135C2 (en) 1991-05-08
EP0128306A1 (en) 1984-12-19
JPH0412595B2 (en) 1992-03-05
US4550962A (en) 1985-11-05
JPS6047382A (en) 1985-03-14
ATE28375T1 (en) 1987-08-15
DE3464825D1 (en) 1987-08-20
DE3318135A1 (en) 1984-11-22

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