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EP0667047B1 - Screened cable connector - Google Patents

Screened cable connector Download PDF

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Publication number
EP0667047B1
EP0667047B1 EP93922532A EP93922532A EP0667047B1 EP 0667047 B1 EP0667047 B1 EP 0667047B1 EP 93922532 A EP93922532 A EP 93922532A EP 93922532 A EP93922532 A EP 93922532A EP 0667047 B1 EP0667047 B1 EP 0667047B1
Authority
EP
European Patent Office
Prior art keywords
screening
mounting projections
housing
cable plug
apertures
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
EP93922532A
Other languages
German (de)
French (fr)
Other versions
EP0667047A1 (en
Inventor
Erich Dipl.-Ing. Thalhammer
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to EP93922532A priority Critical patent/EP0667047B1/en
Publication of EP0667047A1 publication Critical patent/EP0667047A1/en
Application granted granted Critical
Publication of EP0667047B1 publication Critical patent/EP0667047B1/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
    • 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]
    • H01R13/6581—Shield structure
    • H01R13/6582—Shield structure with resilient means for engaging mating connector
    • H01R13/6583—Shield structure with resilient means for engaging mating connector with separate conductive resilient members between mating shield members

Definitions

  • the invention relates to a shielded cable connector for plugging onto a connector, in particular a backplane of a module frame, the cable connector being enclosed by a shield housing.
  • Such a cable connector is e.g. became known through the documents of the German utility model 92 07 674.
  • the shield housing of the cable connector can then be contacted with shield plates which are arranged along the side walls of the cable connector. Lugs are cut out and bent out of the shield walls of the shield housing, which protrude into the locking slots of the shield plates. By cutting free and bending out there are openings in the shield housing, which affect the shielding effect at very high frequency cable connectors.
  • the invention has for its object to improve the shielding effect.
  • the assembly projections are now part of a separate plate from which the assembly projections are punched out and bent out. This can be done more easily with a separate part than with the complicated shield housing of the cable connector.
  • the slot-like frankings can be closely adapted to the cross sections of the projections, so that the projections that pass through, together with the parts of the sheet metal plate underneath, largely close the frankings.
  • the metal plate can be connected to the screen housing in a contact-making and cost-effective manner, for example by spot welding.
  • the sheet metal plate is optimally matched to the requirements for the mounting projections in terms of its shape and nature and can be arranged in an area of the screen housing in which e.g. Distribute the wires of the cable from the cable entry to the plug contacts. In this area there is enough space within the shield housing for the sheet metal plate.
  • At least the two outer mounting projections of the compact sheet metal plate can be easily cut and bent.
  • cutting contours for the inner guide lug and the inner locking lug can be connected to one another in such a way that a simple window shape with smooth, continuous cut edges results. Care is taken to ensure that at least two of the cut edges are at the same height, so that the window on this side runs in a straight line.
  • the bending radii of the mounting projections can protrude into the slot-like clearances, so that the sheet metal plate can lie closely against the screen housing.
  • the enlarged gaps between the mounting projections and the shield housing are covered by the curved parts of the mounting projections.
  • a connector 1 with a connector housing 2 is placed on a backplane 3. These and the connector housing 2 are penetrated by connector pins 4 and form on the side of the backplane 3 facing away from the connector 1 plug contact points for plug-in modules 5, which can be inserted into a module frame, on the back of which the backplane 3 is fastened.
  • the connector housing 2 has on its longitudinal sides side walls 6, along which shield plates 7 extend, which are provided on their inside with contact spring strips 8.
  • the shield plates 7 are attached by means of comb-like protruding pins 9 in bores of the backplane 3 and contacted with ground.
  • the contact spring strips 9 rest on the shield plates 7 and are bulged in their central region towards the side walls 6 and provided with transverse slots between which spring tongues 10 are formed.
  • a shield housing 11 of a cable connector is with its shield walls inserted between the spring tongues 10 and the side walls 6 and contacted with the spring tongues 10.
  • the shield plates 7 are extended in the plug-in direction beyond the contact spring strips 8 and form on their top guide sections which are provided with slot-like openings 12, protrude into the locking lugs 13 protruding from the shield housing 11 and thus secure the cable plug against unintentional removal.
  • guide slots 14 are cut out from the insertion side and extend into the insertion direction, into which guide webs 15 projecting vertically from the shield housing 11 are inserted.
  • sloping inlet on the guide slots 14 and the hook-like projections 16 make it easier to put the parts together.
  • the locking lugs 13 and the guide lugs 17 are cut out of a separate sheet metal plate 19 and bent out, which is attached to the inside of the screen housing 11.
  • slot-like clearances 20 are formed in the shield housing, the width of which is approximately equal to the thickness of the metal plates 19. In this way, the shield housing 11 remains largely closed with regard to its shielding effect.
  • FIGS. 5 and 6 show the complete shape of the sheet metal plate 19 with the guide lugs 17 and the latching lugs 13. These protrude through the outer wall of the umbrella housing 11, the slot-like clearances 20 of which are indicated in FIG. 5 as dash-dotted lines. In each case one of the guide lugs 17 and the latching lugs 13 are punched out along two opposite side edges of the sheet metal plate 19 and bent vertically outwards.
  • the inner mounting projections 13, 17 protrude into a common middle window, from which they are cut free and bent outwards.
  • the slot-like clearances 20 are widened in the region of the radii of curvature, so that the sheet metal plate 19 can lie flat against the screen housing 11.
  • the widened sections of the slot-like frankings 20 are covered by the bent sections of the mounting projections 13, 17, so that no harmful openings result.
  • the remaining contours of the slot-like clearances 20 are closely matched to the cross section of the mounting projections and are therefore completely closed by them.
  • the locking lugs 13 and guide lugs 17 are arranged so that they are aligned with their lower edges 21 pointing in the direction of insertion, which simplifies the sectional shapes.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Cable Accessories (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)

Abstract

The cable connector proposed is surrounded by a screening housing (11) and has projecting retention shoulders (e.g. 13, 17) which are cut out from a separate metal sheet (19) and bent outwards. The retention shoulders project through slit-like apertures (20) in the screening housing (11). The size of the slit-like apertures (20) closely matches the cross-sectional shape of the retention shoulders so that the shoulders substantially close off the apertures, thus ensuring that screening is also completely effective in this zone.

Description

Die Erfindung bezieht sich auf einen geschirmten Kabelstecker zum Aufstecken auf einen Steckverbinder insbesondere einer Rückwandleiterplatte eines Baugruppenrahmens, wobei der Kabelstecker von einem Schirmgehäuse umschlossen ist.The invention relates to a shielded cable connector for plugging onto a connector, in particular a backplane of a module frame, the cable connector being enclosed by a shield housing.

Ein derartiger Kabelstecker ist z.B. durch die Unterlagen des deutschen Gebrauchsmusters 92 07 674 bekannt geworden. Danach ist das Schirmgehäuse des Kabelsteckers mit Schirmblechen kontaktierbar, die entlang den Seitenwänden des Kabelsteckers angeordnet sind. Aus den Schirmwänden des Schirmgehäuses sind Rastnasen freigeschnitten und herausgebogen, die in Rastschlitze der Schirmbleche hineinragen. Durch das Freischneiden und Herausbiegen ergeben sich Öffnungen im Schirmgehäuse, die bei sehr hohe Frequenzen führenden Kabelsteckern die Schirmwirkung beeinträchtigen.Such a cable connector is e.g. became known through the documents of the German utility model 92 07 674. The shield housing of the cable connector can then be contacted with shield plates which are arranged along the side walls of the cable connector. Lugs are cut out and bent out of the shield walls of the shield housing, which protrude into the locking slots of the shield plates. By cutting free and bending out there are openings in the shield housing, which affect the shielding effect at very high frequency cable connectors.

Der Erfindung liegt die Aufgabe zugrunde, die Schirmwirkung zu verbessern.The invention has for its object to improve the shielding effect.

Diese Aufgabe wird durch die Erfindung gemäß Anspruch 1 gelöst. Danach sind nun die Montagevorsprünge Teil eines separaten Plättchen, aus dem die Montagevorsprünge freigestanzt und ausgebogen sind. Dies läßt sich bei einem separaten Teil leichter bewerkstelligen, als bei dem komplizierten Schirmgehäuse des Kabelsteckers. Die schlitzartigen Freimachungen können den Querschnitten der Vorsprünge eng angepaßt werden, so daß die hindurchtretenden Vorsprünge zusammen mit den darunter liegenden Partien des Blechplättchens die Freimachungen weitgehend verschließen. Das Blechplättchen kann z.B. durch Punktschweißen kontaktgebend und kostengünstig mit dem Schirmgehäuse verbunden werden.This object is achieved by the invention according to claim 1. Then the assembly projections are now part of a separate plate from which the assembly projections are punched out and bent out. This can be done more easily with a separate part than with the complicated shield housing of the cable connector. The slot-like frankings can be closely adapted to the cross sections of the projections, so that the projections that pass through, together with the parts of the sheet metal plate underneath, largely close the frankings. The metal plate can be connected to the screen housing in a contact-making and cost-effective manner, for example by spot welding.

Durch die Loslösung der Montagevorsprünge vom Schirmgehäuse kann dessen Wandstärke erheblich geringer gehalten werden, als dies für die Montagevorsprünge erforderlich ist. Das Blechplättchen wird hinsichtlich seiner Form und Beschaffenheit optimal auf die Anforderungen für die Montagevorsprünge abgestimmt und kann in einem Bereich des Schirmgehäuses angeordnet sein, in dem sich z.B. die Adern des Kabels vom Kabeleingang auf die Steckkontakte verteilen. In diesem Bereich ist innerhalb des Schirmgehäuses genügend Raum für das Blechplättchen vorhanden.By detaching the mounting protrusions from the shield housing, its wall thickness can be kept considerably less than is required for the mounting protrusions. The sheet metal plate is optimally matched to the requirements for the mounting projections in terms of its shape and nature and can be arranged in an area of the screen housing in which e.g. Distribute the wires of the cable from the cable entry to the plug contacts. In this area there is enough space within the shield housing for the sheet metal plate.

Vorteilhafte Weiterbildungen der Erfindung sind in den Ansprüchen 2 bis 5 gekennzeichnet.:Advantageous developments of the invention are characterized in claims 2 to 5:

Durch die Weiterbildung nach Anspruch 2 ist es möglich, den Kabelstecker formschlüssig an den Schirmblechen zu stabilisieren.Through the development according to claim 2, it is possible to stabilize the cable connector in a form-fitting manner on the shield plates.

Durch die Weiterbildung nach Anspruch 3 lassen sich zumindest die beiden äußeren Montagevorsprünge des kompakten Blechplättchens einfach freischneiden und biegen.Through the development according to claim 3, at least the two outer mounting projections of the compact sheet metal plate can be easily cut and bent.

Durch die Weiterbildung nach Anspruch 4 können Schnittkonturen für die innere Führungsnase und die innere Rastnase derart miteinander verbunden werden, daß sich eine einfache Fensterform mit glatten durchgehenden Schnittkanten ergibt. Dabei ist darauf geachtet, daß zumindest zwei der Schnittkanten auf gleicher Höhe liegen, so daß das Fenster auf dieser Seite geradlinig verläuft.Through the development according to claim 4, cutting contours for the inner guide lug and the inner locking lug can be connected to one another in such a way that a simple window shape with smooth, continuous cut edges results. Care is taken to ensure that at least two of the cut edges are at the same height, so that the window on this side runs in a straight line.

Durch die Weiterbildung nach Anspruch 5 können die Biegeradien der Montagevorsprünge in die schlitzartigen Freimachungen hineinragen, so daß das Blechplattchen eng am Schirmgehäuse anliegen kann. Die vergrößerten Spalte zwischen den Montagevorsprüngen und dem Schirmgehäuse werden dabei durch die gekrümmten Teile der Montagevorsprünge verdeckt.Through the development according to claim 5, the bending radii of the mounting projections can protrude into the slot-like clearances, so that the sheet metal plate can lie closely against the screen housing. The enlarged gaps between the mounting projections and the shield housing are covered by the curved parts of the mounting projections.

Im folgenden wird die Erfindung anhand eines in der Zeichnung dargestellen Ausführungsbeispieles näher erläutert.The invention is explained in more detail below with reference to an exemplary embodiment shown in the drawing.

Es zeigen:

Fig. 1
einen Querschnitt durch einen Steckverbinder an einer Rückwandverdrahtungsplatte mit einem rückseitigem aufgesteckten Kabelstecker und einer frontseitig aufgesteckten Baugruppe,
Fig. 2
eine Seitenansicht der Teile nach Figur 1
Fig. 3, 4
vergrößerte Teilausschnitte der Teile nach Figur 1 mit einem Blechplättchen, das an einem Schirmgehäuse des Kabelsteckers befestigt ist,
Fig. 5
eine Draufsicht auf das Blechplättchen nach Fig. 3 und 4,
Fig. 6
eine Seitenansicht des Blechplattchens mit dem Schirmgehäuse nach Fig. 5.
Show it:
Fig. 1
1 shows a cross section through a plug connector on a rear wall wiring plate with a cable connector plugged in at the rear and an assembly plugged in at the front,
Fig. 2
a side view of the parts of Figure 1
3, 4
enlarged partial sections of the parts of Figure 1 with a sheet metal plate which is attached to a shield housing of the cable connector,
Fig. 5
3 shows a plan view of the sheet metal plate according to FIGS. 3 and 4,
Fig. 6
5 shows a side view of the sheet metal plate with the screen housing according to FIG. 5.

Nach den Figuren 1 und 2 ist ein Steckverbinder 1 mit einem Steckergehäuse 2 auf eine Rückwandleiterplatte 3 aufgesetzt. Diese und das Steckergehäuse 2 werden von Steckerstiften 4 durchragt und bilden auf der dem Steckverbinder 1 abgewandten Seite der Rückwandleiterplatte 3 Steckkontaktstellen für Steckbaugruppen 5, die in einen Baugruppenrahmen einschiebbar sind, an dessen Rückseite die Rückwandleiterplatte 3 befestigt ist.According to Figures 1 and 2, a connector 1 with a connector housing 2 is placed on a backplane 3. These and the connector housing 2 are penetrated by connector pins 4 and form on the side of the backplane 3 facing away from the connector 1 plug contact points for plug-in modules 5, which can be inserted into a module frame, on the back of which the backplane 3 is fastened.

Das Steckergehäuse 2 weist an seinen Längsseiten Seitenwände 6 auf, entlang derer sich Schirmbleche 7 erstrecken, die an ihrer Innenseite mit Kontaktfederstreifen 8 versehen sind. Die Schirmbleche 7 sind mittels kammartig abstehender Stifte 9 in Bohrungen der Rückwandleiterplatte 3 befestigt und mit Masse kontaktiert. Die Kontaktfederstreifen 9 liegen an den Schirmblechen 7 an und sind in ihrem mittleren Bereich zu den Seitenwänden 6 hin ausgebaucht und mit Querschlitzen versehen, zwischen denen Federzungen 10 gebildet sind. Ein Schirmgehäuse 11 eines Kabelsteckers ist mit seinen Schirmwänden zwischen die Federzungen 10 und die Seitenwände 6 eingeschoben und mit den Federzungen 10 kontaktiert.The connector housing 2 has on its longitudinal sides side walls 6, along which shield plates 7 extend, which are provided on their inside with contact spring strips 8. The shield plates 7 are attached by means of comb-like protruding pins 9 in bores of the backplane 3 and contacted with ground. The contact spring strips 9 rest on the shield plates 7 and are bulged in their central region towards the side walls 6 and provided with transverse slots between which spring tongues 10 are formed. A shield housing 11 of a cable connector is with its shield walls inserted between the spring tongues 10 and the side walls 6 and contacted with the spring tongues 10.

Die Schirmbleche 7 sind in der Steckrichtung über die Kontaktfederstreifen 8 hinaus verlängert und bilden an ihrer Oberseite Führungsabschnitte, die mit schlitzartigen Durchbrüchen 12 versehen sind, in die vom Schirmgehäuse 11 abstehende Rastnasen 13 hineinragen und so den Kabelstecker vor unbeabsichtigtem Herausziehen sichern.The shield plates 7 are extended in the plug-in direction beyond the contact spring strips 8 and form on their top guide sections which are provided with slot-like openings 12, protrude into the locking lugs 13 protruding from the shield housing 11 and thus secure the cable plug against unintentional removal.

An den Seitenwänden 7 sind neben den Durchbrüchen 12 von der Einsteckseite her sich in der Steckrichtung erstreckende Führungsschlitze 14 ausgeschnitten, in die aus dem Schirmgehäuse 11 senkrecht abstehende Führungsstege 15 eingeschoben sind. An die Führungsstege 15 sind in deren Materialebene liegende hakenartige Vorsprünge 16 angesetzt, die sich über den Grund der Führungsschlitze 15 hinaus erstrecken und das Schirmblech 7 spielarm hintergreifen. Sie bilden zusammen mit den Führungsstegen hakenartige Führungsnasen 17, die das Schirmgehäuse 11 zusammen mit den Rastnasen 13 formschlüssig an den Schirmblechen 7 in allen Koordinatenrichtungen halten. Auf den Kabelstecker einwirkende Seitenkräfte werden dadurch mit Abstand von den Steckerstiften 4 unter günstiger Hebelwirkung auf die Schirmbleche 7 übergeleitet, so daß der Kabelstecker gegenüber dem Steckverbinder 1 eine nahezu starre Lage einnimmt. Dabei erleichtern Einlauf schrägen an den Führungsschlitzen 14 und den hakenartigen Vorsprüngen 16 das Zusammenstecken der Teile.On the side walls 7, in addition to the openings 12, guide slots 14 are cut out from the insertion side and extend into the insertion direction, into which guide webs 15 projecting vertically from the shield housing 11 are inserted. On the guide webs 15 there are hook-like projections 16 in their material plane, which extend beyond the base of the guide slots 15 and engage behind the shield plate 7 with little play. Together with the guide webs, they form hook-like guide lugs 17 which hold the shield housing 11 together with the latching lugs 13 in a form-fitting manner on the shield plates 7 in all coordinate directions. Lateral forces acting on the cable connector are thereby transferred at a distance from the connector pins 4 to the shield plates 7 with a favorable leverage effect, so that the cable connector assumes an almost rigid position relative to the connector 1. Here, sloping inlet on the guide slots 14 and the hook-like projections 16 make it easier to put the parts together.

Zwischen den Durchbrüchen 12 und den Führungsschlitzen 14 sind von den Oberkanten her sich in der Steckrichtung erstreckende Längsschlitze 18 in die Schirmbleche 7 eingeschnitten, die voneinander entkoppelte auslenkbare Lappen ergeben. Dadurch ist es möglich, beim Einstecken des Kabelsteckers die Durchbrüche 12 aufweisenden Lappen beim Auftreffen der Rastnasen 13 abzuspreizen, ohne daß die Lage der Lappen mit den Führungsschlitzen 14 dabei verändert wird. Durch die Federeigenschaften der Lappen werden die Seitenwände 7 zusätzlich zu den Federfingern 10 mit dem Schirmgehäuse 11 kontaktiert, was die Schirmwirkung der Vorrichtung weiter verbessert.Between the openings 12 and the guide slots 14, longitudinal slots 18 are cut into the shield plates 7 from the upper edges and extend in the direction of insertion, which result in deflectable tabs that are decoupled from one another. This makes it possible, when inserting the cable connector, to spread apart the tabs 12 having openings 12 when the latching lugs 13 strike, without the position of the tabs with the guide slots 14 being changed in the process. By the spring properties of the tabs contact the side walls 7 in addition to the spring fingers 10 with the shield housing 11, which further improves the shielding effect of the device.

Die Rastnasen 13 und die Führungsnasen 17 sind aus einem separaten Blechplättchen 19 freigeschnitten und herausgebogen, das an der Innenseite des Schirmgehäuses 11 befestigt ist. Für die Führungsnasen 17 und die Rastnasen 13 sind im Schirmgehäuse schlitzartige Freimachungen 20 ausgebildet, deren Breite annähernd gleich der Dicke der Blechplättchen 19 ist. Auf diese Weise bleibt das Schirmgehäuse 11 hinsichtlich seiner Schirmwirkung weitgehend geschlossen.The locking lugs 13 and the guide lugs 17 are cut out of a separate sheet metal plate 19 and bent out, which is attached to the inside of the screen housing 11. For the guide lugs 17 and the latching lugs 13, slot-like clearances 20 are formed in the shield housing, the width of which is approximately equal to the thickness of the metal plates 19. In this way, the shield housing 11 remains largely closed with regard to its shielding effect.

In den Figuren 3 bis 6 ist die Form des Blechplattchens 19 mit den Führungsnasen 17 und den Rastnasen 13 detailliert dargestellt. Dabei ist erkennbar, daß der schlitzartige Durchbruch 20 von der Führungsnase 17 nur mit ihrem Führungssteg 15 verschlossen ist. Der die Schirmwand 7 hintergreifende hakenartige Vorsprung 16 erfordert aus Montagegründen die größere Länge der schlitzartigen Freimachungen 20, die jedoch in diesem Bereich von der Schirmwand 7 verdeckt werden.In Figures 3 to 6, the shape of the sheet metal plate 19 with the guide lugs 17 and the locking lugs 13 is shown in detail. It can be seen that the slot-like opening 20 is closed by the guide lug 17 only with its guide web 15. The hook-like projection 16 engaging behind the screen wall 7 requires the greater length of the slot-like clearances 20 for assembly reasons, but these are covered by the screen wall 7 in this area.

Die Rastnase nach Fig. 3 weist einen einfachen abstehenden Lappen auf, der die zugehörige schlitzartige Freimachung 20 vollständig verschließt.3 has a simple projecting tab, which completely closes the associated slot-like franking 20.

Die Figuren 5 und 6 zeigen die vollständige Form des Blechplattchens 19 mit den Führungsnasen 17 und den Rastnasen 13. Diese durchragen die Außenwand des Schirmgehauses 11, deren schlitzartige Freimachungen 20 in Figur 5 als strichpunktierte Linien angedeutet sind. Jeweils eine der Führungsnasen 17 und der Rastnasen 13 sind entlang zweier gegenüberliegenden Seitenkanten des Blechplattchens 19 freigestanzt und senkrecht nach außen abgebogen.FIGS. 5 and 6 show the complete shape of the sheet metal plate 19 with the guide lugs 17 and the latching lugs 13. These protrude through the outer wall of the umbrella housing 11, the slot-like clearances 20 of which are indicated in FIG. 5 as dash-dotted lines. In each case one of the guide lugs 17 and the latching lugs 13 are punched out along two opposite side edges of the sheet metal plate 19 and bent vertically outwards.

Die inneren Montagevorsprünge 13, 17 ragen in der Draufsicht der Figur 5 in ein gemeinsames mittleres Fenster hinein, aus dem sie freigeschnitten und nach außen abgebogen sind. Dabei ist erkennbar, daß die schlitzartigen Freimachungen 20 im Bereich der Krümmungsradien verbreitert sind, so daß das Blechplattchen 19 an dem Schirmgehause 11 flach anliegen kann. Die verbreiterten Abschnitte der schlitzartigen Freimachungen 20 sind jedoch durch die gebogenen Abschnitte der Montagevorsprünge 13, 17 verdeckt, so daß sich keine schädlichen Öffnungen ergeben. Die übrigen Konturen der schlitzartigen Freimachungen 20 sind dem Querschnitt der Montagevorsprünge eng angepaßt und somit durch diese vollständig verschlossen. Die Rastnasen 13 und Führungsnasen 17 sind so angeordnet, daß sie mit ihren in Steckrichtung weisenden Unterkanten 21 fluchten, wodurch sich die Schnittformen vereinfachen.In the top view of FIG. 5, the inner mounting projections 13, 17 protrude into a common middle window, from which they are cut free and bent outwards. It can be seen that the slot-like clearances 20 are widened in the region of the radii of curvature, so that the sheet metal plate 19 can lie flat against the screen housing 11. However, the widened sections of the slot-like frankings 20 are covered by the bent sections of the mounting projections 13, 17, so that no harmful openings result. The remaining contours of the slot-like clearances 20 are closely matched to the cross section of the mounting projections and are therefore completely closed by them. The locking lugs 13 and guide lugs 17 are arranged so that they are aligned with their lower edges 21 pointing in the direction of insertion, which simplifies the sectional shapes.

Claims (5)

  1. Screened cable plug for plugging onto a plug connector (1), in particular of a backplane printed circuit board (3) of a mounting rack, the cable plug being enclosed by a screening housing (11) which can make contact with screening metal sheets (7) surrounding the plug connector (1), and bent-out mounting projections (13, 17), which can be inserted into complementary mating forms (12, 14) of the screening metal sheets (7), projecting out of screening walls of the screening housing (11), characterized in that the mounting projections (13, 17) are bent out from a metal lamina (19) fixed to the inner side of the screening housing (11) which is provided with slot-like apertures (20) for the mounting projections (13, 17), the width of which is approximately equal to the thickness of the metal lamina (19), and in that the mounting projections (13, 17) project through the apertures (20).
  2. Cable plug according to Claim 1, characterized in that the mounting projections are designed as latching lugs (13) for latching into perforations (12) in the screening metal sheets (7) and as hook-like guiding lugs (17) for engaging into guiding slots (14) in the screening metal sheets (7).
  3. Cable plug according to Claim 2, characterized in that two latching lugs (13) and neighbouring guiding lugs (17) are fitted on each metal lamina (19), and in that two of the mounting projections (13, 17) are arranged along two opposite outer edges of the metal lamina (19).
  4. Cable plug according to Claim 3, characterized in that a window (21) is cut free in the central region of the metal lamina (19), from which window two further mounting projections (13, 17) are bent out.
  5. Cable plug according to one of the preceding claims, characterized in that the slot-like apertures (20) in the screening housing (11) are widened in the curved region of the bent-out mounting projections (13, 17).
EP93922532A 1992-10-29 1993-10-08 Screened cable connector Expired - Lifetime EP0667047B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP93922532A EP0667047B1 (en) 1992-10-29 1993-10-08 Screened cable connector

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP92118541 1992-10-29
EP92118541 1992-10-29
EP93922532A EP0667047B1 (en) 1992-10-29 1993-10-08 Screened cable connector
PCT/EP1993/002760 WO1994010725A1 (en) 1992-10-29 1993-10-08 Screened cable connector

Publications (2)

Publication Number Publication Date
EP0667047A1 EP0667047A1 (en) 1995-08-16
EP0667047B1 true EP0667047B1 (en) 1996-08-07

Family

ID=8210191

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93922532A Expired - Lifetime EP0667047B1 (en) 1992-10-29 1993-10-08 Screened cable connector

Country Status (5)

Country Link
EP (1) EP0667047B1 (en)
JP (1) JPH08502621A (en)
AT (1) ATE141122T1 (en)
DE (1) DE59303383D1 (en)
WO (1) WO1994010725A1 (en)

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DE69620179T2 (en) * 1996-10-12 2002-11-07 Molex Inc., Lisle Electrical grounding sheath

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DE1276766C2 (en) * 1962-07-03 1973-10-18 Siemens Ag Assembly unit for a system of electrical communications engineering
JPS61229917A (en) * 1985-04-01 1986-10-14 Yanmar Diesel Engine Co Ltd Engine cooler for inboard engine
JP2760583B2 (en) * 1989-07-14 1998-06-04 株式会社東芝 Ultrasound diagnostic equipment
DK0412331T3 (en) * 1989-08-10 1995-02-06 Siemens Ag Device for electrically connecting a multi-pole plug screen with a circuit board ground plane
US5035631A (en) * 1990-06-01 1991-07-30 Burndy Corporation Ground shielded bi-level card edge connector
JPH04163291A (en) * 1990-10-19 1992-06-08 Gabriel Reinhard Jet propulsion device and pump for running body on water and in air

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JPH08502621A (en) 1996-03-19
DE59303383D1 (en) 1996-09-12
WO1994010725A1 (en) 1994-05-11
EP0667047A1 (en) 1995-08-16
ATE141122T1 (en) 1996-08-15

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