EP0038431A2 - Functional plug connector - Google Patents

Functional plug connector Download PDF

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Publication number
EP0038431A2
EP0038431A2 EP81102291A EP81102291A EP0038431A2 EP 0038431 A2 EP0038431 A2 EP 0038431A2 EP 81102291 A EP81102291 A EP 81102291A EP 81102291 A EP81102291 A EP 81102291A EP 0038431 A2 EP0038431 A2 EP 0038431A2
Authority
EP
European Patent Office
Prior art keywords
base
plug
contact
spring contacts
bushing
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.)
Granted
Application number
EP81102291A
Other languages
German (de)
French (fr)
Other versions
EP0038431B1 (en
EP0038431A3 (en
Inventor
Werner Dipl.-Ing. Kewitz
Georg Olbrich
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.)
Albert Ackermann GmbH and Co KG
Original Assignee
Albert Ackermann 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 Albert Ackermann GmbH and Co KG filed Critical Albert Ackermann GmbH and Co KG
Priority to AT81102291T priority Critical patent/ATE10887T1/en
Publication of EP0038431A2 publication Critical patent/EP0038431A2/en
Publication of EP0038431A3 publication Critical patent/EP0038431A3/en
Application granted granted Critical
Publication of EP0038431B1 publication Critical patent/EP0038431B1/en
Expired legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66Structural association with built-in electrical component
    • H01R13/70Structural association with built-in electrical component with built-in switch
    • H01R13/703Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • H01R13/7031Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity
    • H01R13/7034Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity the terminals being in direct electric contact separated by double sided connecting element
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66Structural association with built-in electrical component
    • H01R13/70Structural association with built-in electrical component with built-in switch
    • H01R13/703Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627Snap or like fastening

Definitions

  • the invention relates to a connector in which spring contacts arranged on two opposite inner sides of a base interact with contact tongues provided on the outside of a connector.
  • Such plug connectors are known.
  • the spring contacts located in the base support are screwed into the base and have in their lower area shapes which, after the tongue contacts seated on a plug have been introduced, produce the contacting with depressions made in their lower area.
  • the connector is securely seated in the base.
  • the downward-pointing spring contacts are flat in their upper area facing the plug and can perform two functions in connection with the plug, namely a closer and an opener function.
  • the downward-pointing ends of the spring contacts are held apart by two elevations located on a base plate located in the base in such a way that the formations do not touch even when the plug is pulled out.
  • the invention has for its object to produce a connector so that the opener and closer functions are performed safely and reliably by the spring contact elements when the connector is pulled out.
  • the invention consists in the features of claim 1.
  • the bulbous design of the spring contacts in the upper area facing the plug ensures that the contacting of the spring contacts in the base with the tongue contacts of the plug takes place in this upper area, thereby removing the contact point from the point where the opener and Closer function is perceived, namely the formations located in the lower region of the spring contacts is separated.
  • the plug does not penetrate into this lower area and thus protects the formings from possible flattening, which could occur after the plug connection has been used frequently.
  • the contacting by means of an increase in counterpressure is supported by a support of the spring contacts via a kink, which is located on each spring at the outer end of the contact side and points in the direction of the solder tail.
  • a kink which is located on each spring at the outer end of the contact side and points in the direction of the solder tail.
  • the spring contacts in the lower area have curved, semicircular contact shapes in the direction of the center of the base, to which cross parts running parallel to the base of the base are connected, which point in the direction of the solder tail Kink ends.
  • the closing function is reliably performed, since this reduces the distance between the spring contacts so that no long distances are necessary to close the contact formations and this can therefore be easily achieved by the spring force pointing in the direction of the base center.
  • the formation of a cross member, which runs parallel to the base floor ensures that in the case of support by the kink, this can take place safely, since this parallel cross member is not subject to deformation and thus transfers the support force directly to the bent parts of the spring contacts.
  • the base support is provided with chambers delimited by struts, in the upper region of which there are transverse webs. These chambers serve to securely receive the spring contacts, and since their width corresponds to the width of the spring contacts, this prevents any lateral displacement of the spring contacts. For easy assembly of the spring contacts, these can be placed over the crossbars located in the upper area of the chambers. across this cross The spring contacts are then held securely and free of play after the base cover has been slipped on.
  • the distance between the web and the base cover corresponds exactly to the thickness of the spring contacts. This results in a clamp-like effect when the base support is pushed into the base cover for assembly. This prevents a horizontal or vertical displacement of the spring contacts in the base carrier, which further supports the reliable contact establishment.
  • the base cover between the base cover and the base support there is a circumferential gap in the lower region at the level of the kink corresponding to the direction of the soldering lug and interrupted by the foot of the struts.
  • This gap has the function that the kink can move freely in it, which is necessary when the plug is inserted into the base.
  • the width of the gap depends on whether a normally open or an opener function is to be taken over by the correspondingly opposite spring contacts when the plug is pulled out. If the gap is made with a small width, the downward kink at the foot of the spring contacts prevents the two opposing shapes at the foot of the spring contacts from touching even when the plug is pulled out. In this way, the normally open function can be implemented.
  • the gap width can be taken into account when manufacturing the base support for the desired functions.
  • the base cover can be the same for all base support variations.
  • the base carrier can be inserted into the base cover and there via a groove located on its end face, into which a projection extending in the region of the base of the base cover intervenes, is held.
  • This insertion ensures that different base supports, which differ in the formation of different gap widths for the individual spring contacts, can be inserted into the same base cover and held there in a simple manner via the interaction of the groove with a projection running in the region of the foot of the base cover can be.
  • a transverse latching recess is made on one side of the plug base, which interacts with a correspondingly configured, resilient latching lug element in the base.
  • This latching lug element has the advantage that the latching function is perceived separately from the spring contacts in a simple manner, as a result of which the higher forces which arise when latching in cannot cause any deformation of the spring contacts.
  • the connector has lined-up, optionally single-row or double-row, fixedly embedded contact tongues which engage with their arcuate ends in slots provided on the underside of the embeddings.
  • FIG. 1 shows a base 1 of a connector made of insulating plastic, which has a base cover 3 and a base carrier 4 which can be pushed into it and on which the spring contacts 7 are held.
  • contact tongues 18 are shown, which are embedded in the foot in a manner not shown, which produce the desired contact with the spring contacts after inserting the plug 2 into the base 1.
  • This contact is made in the upper region 8 of the spring contacts 7.
  • the length of the foot 2a of the plug 2 is dimensioned such that the contact tongues end above the semicircular contact shapes 13 located in the lower region of the spring contacts 7 when the plug is inserted. As a result, these parts of the spring contacts 7 are protected from mechanical deformation by inserting the plug and thus ensure safe opening and closing functions when the plug is pulled out.
  • the spring contacts 7 are placed over a web 6 in the upper area of chambers 5 running in the longitudinal direction and corresponding to the width of the spring contacts.
  • the chambers are formed between the struts 16 and thus have the effect that a lateral displacement can be excluded.
  • the rear chamber wall forms with the base carrier 4 a circumferential gap 14 in the lower region at the height of the bend 10 corresponding to the soldering lug 9 and interrupted by the foot of the struts 16a. The width of this gap 14 depends on whether there are opposing ones Spring contacts 7 should assume opening or closing functions.
  • the kink 10 Due to the abutment of the kink 10 against the edge lying in the direction of the center of the base, the area into which the shapes of the spring contacts protrude into the center of the base is limited. Therefore, if the gap 14 is made small, the kink 10 attaches more quickly to the inner edge of the gap and therefore cannot make contact with the opposite spring contact.
  • a groove 21 is provided which, after the base cover 3 has been slipped over the base support 4, engages with a projection 22 extending in the area of the base of the base cover 3 and thereby a firm fit of the base support and thus the spring contacts in the base cover guaranteed.
  • a catch recess 17 On one side of the plug base 2a there is a catch recess 17 which, after the plug 2 has been inserted into the base 1, causes a catch with a catch 11 provided in the base and seated on a resilient catch element 12.
  • the base 1 has a recess extension 15 on one side into which a corresponding design provided on the plug can engage.
  • This recess extension 15 allows a non-interchangeable plug connection.
  • the width B of the plug base corresponds to the width of the opening 23 in the base through which the base 2a of the plug 2 is inserted. If a plug, as shown in FIG. 2 a, is inserted into a base, as shown in FIG. 2 a, this plug connection system can perform the functions of two-sided contacting plus opening function, prematurely. The two-sided contacting takes place via the non-interconnected contact tongues 18, which each make contact with the spring contacts 7.
  • the make function is established when the plug is pulled out.
  • a base support in connection with a plug base S3 can therefore take over the functions of a double, two-sided contacting plus make function. If such a base is connected to a plug base according to S4, this system takes over two-way, one-sided contacting.
  • FIG. 3 shows how simple, one-sided contacting is made possible with a connector according to the invention.
  • Fig. 3b where the plug is inserted into the base, it can be seen how the kink 10 bears on the rear part of the spring contact 7 and thereby causes a support which makes contact with the bulbous part 8 of the spring contact 7 with the contact tongue 18 supports. Since the foot 2a of the plug 2 does not penetrate into the area of the formation 13, it is protected against mechanical deformation and can therefore perform the opening function reliably and safely in particular.

Abstract

1. An operational plug-in connector in which, contact tongues (18) provided on the outer side of a plug base (2a) insertable into a bushing (1) cooperate in each case with spring contacts (7) disposed in insulated manner e.g. pairwise on two opposite inside faces of the bushing (1) which contacts, in their upper area of the bushing (1) facing the plug (2), are constructed resiliently and in the manner of a bulge to contact with the plug contact tongues (18) and subsequently, on the area (8) constructed resiliently as a bulge, are provided with semi-circular contact camber (13) bent out further in the direction of the middle of the bushing housing, said chambers being forcibly opened in the plug-in condition, the length of the plug base (2a) being calculated in such a manner that its contact tongues (18) when the plug (2) is inserted end just before the contact chambers (13), characterised in that the spring contacts (7) oppositely placed in each instance are held in chambers of the bushing housing (3) delimited by stays (16) ehich correspond to their width, in that the contact chambers (13) extend into transversal elements (10a) directed substantially parallel with the bottom of the bushing and into connecting bends (10) pointing in the direction of the soldering lugs (9) which bends effect a resilient supporting on the vertical arms of the spring contacts (7) for the purpose of increasing the counter-pressure for the plug contacting in the area (8) constructed resiliently as a bulge, and in that an abutment for these bends (10) is formed by the side walls of a gap (14) which is disposed in the area of the bushing housing (3) facing away from the plug between said housing and the bushing holder (4).

Description

Die Erfindung betrifft einen Steckverbinder, bei welchem auf zwei gegenüberliegenden Innenseiten eines Sockels angeordnete Federkontakte mit auf der Außenseite eines Steckers vorgesehenen Kontaktzungen zusammenwirken.The invention relates to a connector in which spring contacts arranged on two opposite inner sides of a base interact with contact tongues provided on the outside of a connector.

Solche Steckerverbinder sind bekannt. Bei einer bekannten Bauart sind die sich im Sockelträger befindenden Federkontakte im Sockel angeschraubt und weisen in ihrem unteren Bereich Ausformungen auf, welche nach Einbringen der auf einem Stecker sitzenden Zungenkontakte mit an deren unterem Bereich eingebrachten Vertiefungen die Kontaktierung herstellen. Gleichzeitig wird durch das Einrasten dieser Ausformungen mit den Vertiefungen im Stecker ein sicherer Sitz des Steckers im Sockel bewirkt. Die nach unten weisenden Federkontakte sind in ihrem dem Stecker zugewandten oberen Bereich flach ausgebildet und können in Verbindung mit dem Stecker zwei Funktionen erfüllen, nämlich eine Schließer- und eine öffnerfunktion. Um die Schließerfunktion zu erfüllen, werden die nach unten weisenden Enden der Federkontakte von zwei sich auf einer im Sockel befindenden Grundplatte sitzenden Erhebungen so auseinandergehalten, daß sich die Ausformungen auch dann nicht berühren, wenn der Stecker herausgezogen ist. Da bei dieser Bauart von den sich am unteren Bereich der Federkontakte befindenden Ausformungen der Kontakt hergestellt wird, gleichzeitig aber auch die Verrastung bzw. der sichere Sitz des Steckers im Sockel bewirkt wird, führen diese Ausformungen beim Zusammenstecken größere Wege durch. Hierdurch kann der Nachteil eintreten, daß nach oftmaligem Zusammenstecken die Ausformungen einer Verformung in der Art einer Abplattung unterzogen werden und dadurch nach dem Herausziehen des Steckers die Öffnerfunktion beeinträchtigt werden kann.Such plug connectors are known. In a known type of construction, the spring contacts located in the base support are screwed into the base and have in their lower area shapes which, after the tongue contacts seated on a plug have been introduced, produce the contacting with depressions made in their lower area. At the same time, by locking these formations with the recesses in the connector, the connector is securely seated in the base. The downward-pointing spring contacts are flat in their upper area facing the plug and can perform two functions in connection with the plug, namely a closer and an opener function. In order to fulfill the make function, the downward-pointing ends of the spring contacts are held apart by two elevations located on a base plate located in the base in such a way that the formations do not touch even when the plug is pulled out. Since in this design the contact is made from the formations located at the lower area of the spring contacts, At the same time, however, the locking or the secure fit of the plug in the base is effected, these formations carry out longer paths when they are plugged together. This can result in the disadvantage that, after being plugged together frequently, the formations are subjected to a deformation in the manner of a flattening and the opening function can be impaired after the plug has been pulled out.

Der Erfindung liegt die Aufgabe zugrunde, einen Steckverbinder so herzustellen, daß bei herausgezogenem Stecker die öffner- und Schließerfunktionen von den Federkontaktelementen sicher und zuverlässig wahrgenommen werden.The invention has for its object to produce a connector so that the opener and closer functions are performed safely and reliably by the spring contact elements when the connector is pulled out.

Die Erfindung besteht in den Merkmalen des Anspruches 1.The invention consists in the features of claim 1.

Durch die bauchige.Ausbildung der Federkontakte im oberen, dem Stecker zugewandten Bereich wird erreicht, daß die Kontaktierung der Federkontakte im Sockel mit den Zungenkontakten des Steckers in diesem oberen Bereich erfolgt, wodurch die Kontaktstelle von dem Punkt, wo bei herausgezogenem Stecker die Öffner- und Schließerfunktion wahrgenommen wird, nämlich den sich im unteren Bereich der Federkontakte befindlichen Ausformungen, getrennt wird. Der Stecker dringt also nicht bis in diesen unteren Bereich vor und schützt so die Ausformungen vor einer möglichen Abplattung, die nach häufigem Benutzen der Steckverbindung eintreten könnte.The bulbous design of the spring contacts in the upper area facing the plug ensures that the contacting of the spring contacts in the base with the tongue contacts of the plug takes place in this upper area, thereby removing the contact point from the point where the opener and Closer function is perceived, namely the formations located in the lower region of the spring contacts is separated. The plug does not penetrate into this lower area and thus protects the formings from possible flattening, which could occur after the plug connection has been used frequently.

Vorteilhaft ist, daß die Kontaktierung mittels einer Gegendruckerhöhung durch eine Abstützung der Federkontakte über eine sich an jeder Feder am äuße-ren Ende der Kontaktseite befindliche, in Richtung der Lötfahne weisende Abknickung unterstützt wird. Dies geschieht dadurch, daß die sich an jedem Federkontakt am äußeren Ende der Kontaktseite befindliche, in Richtung der Lötfahne weisende Abknickung beim Einbringen des Steckers nach hinten so weit verschoben wird, daß sie an der Innenseite des rückwärtigen Steges des jeweiligen Federkontaktes anliegt und die dadurch bewirkte Abstützung eine Gegendruckerhöhung des Federkontaktes auf den Zungenkontakt hervorruft. Hierdurch wird also erreicht, daß die Kontaktherstellung nicht allein einer eventuell sich verschleißenden Federkraft der Federkontakte überlassen wird, sondern zusätzlich mechanisch unterstützt wird.It is advantageous that the contacting by means of an increase in counterpressure is supported by a support of the spring contacts via a kink, which is located on each spring at the outer end of the contact side and points in the direction of the solder tail. This is done by the fact that the one located at each spring contact at the outer end of the contact side points in the direction of the solder tail Bending when inserting the plug is moved so far that it bears against the inside of the rear web of the respective spring contact and the support caused thereby causes an increase in the back pressure of the spring contact on the tongue contact. In this way it is achieved that the contact production is not only left to a possibly worn spring force of the spring contacts, but is additionally supported mechanically.

Zur Übernahme der öffner- und Schließerfunktion im Falle des herausgezogenen Steckers ist es günstig, daß die Federkontakte im unteren Bereich in Richtung zur Sockelmitte gebogene, halbkreisförmige Kontaktausformungen besitzen, an welche sich parallel zum Sockelboden verlaufende Querteile anschließen, die mit der in Richtung der lötfahne weisenden Abknickung enden. Durch diese halbkreisförmig .gebogenen Kontaktausformungen wird die Schließfunktion sicher wahrgenommen, da hierdurch der Abstand zwischen den Federkontakten so verringert wird, daß zum Schließen der Kontaktausformungen keine großen Wege notwendig sind und diese daher von der in Richtung der Sockelmitte weisenden Federkraft gut erreicht werden kann. Die Ausbildung eines Querteils, welches parallel zum Sockelboden verläuft, bewirkt, daß im Falle der Abstützung durch die Abknickung diese sicher erfolgen kann, da dieses parallel verlaufende Querteil keinen Verformungen unterliegt und so die Abstützkraft direkt auf die gebogenen Teile der Federkontakte übeträgt.To take over the opening and closing functions in the case of the pulled-out plug, it is favorable that the spring contacts in the lower area have curved, semicircular contact shapes in the direction of the center of the base, to which cross parts running parallel to the base of the base are connected, which point in the direction of the solder tail Kink ends. Through these semicircular. Bent contact formations, the closing function is reliably performed, since this reduces the distance between the spring contacts so that no long distances are necessary to close the contact formations and this can therefore be easily achieved by the spring force pointing in the direction of the base center. The formation of a cross member, which runs parallel to the base floor, ensures that in the case of support by the kink, this can take place safely, since this parallel cross member is not subject to deformation and thus transfers the support force directly to the bent parts of the spring contacts.

Vorteilhafterweise wird vorgesehen, daß der Sockelträger mit durch Verstrebungen abgegrenzten Kammern versehen ist, in deren oberem Bereich sich Querstege befinden. Diese Kammern dienen zur sicheren Aufnahme der Federkontakte, und da ihre Breite der Breite der Federkontakte entspricht, wird hierdurch eine seitliche Verschiebung der Federkontakte ausgeschlossen. Zur einfachen Montage der Federkontakte können diese über die im oberen Bereich der Kammern sich befindenden Querstege gelegt werden. über diese Querstege werden die Federkontakte dann nach dem Überstülpen der Sockelabdeckung sicher und spielfrei gehalten.It is advantageously provided that the base support is provided with chambers delimited by struts, in the upper region of which there are transverse webs. These chambers serve to securely receive the spring contacts, and since their width corresponds to the width of the spring contacts, this prevents any lateral displacement of the spring contacts. For easy assembly of the spring contacts, these can be placed over the crossbars located in the upper area of the chambers. across this cross The spring contacts are then held securely and free of play after the base cover has been slipped on.

Dabei ist es weiter vorteilhaft, daß der Abstand zwischen Steg und der Sockelabdeckung gerade der Dicke der Feder - kontakte entspricht. Hierdurch wird eine klemmartige Wirkung erreicht, wenn der Sockelträger in die Sockelabdek - kung zur Montage eingeschoben wird. Dadurch kann eine horizontale oder vertikale Verschiebung der Federkontakte im Sockelträger verhindert werden, was die sichere Kontaktherstellung noch mehr unterstützt.It is further advantageous that the distance between the web and the base cover corresponds exactly to the thickness of the spring contacts. This results in a clamp-like effect when the base support is pushed into the base cover for assembly. This prevents a horizontal or vertical displacement of the spring contacts in the base carrier, which further supports the reliable contact establishment.

Es ist weiterhin in vorteilhafter Weise vorgesehen, daß zwischen Sockelabdeckung und Sockelträger ein im unteren Bereich in der Höhe der in Richtung der Lötfahne weisenden Abknickung entsprechender, vom Fuß der Verstrebungen unterbrochener umlaufender Spalt vorgesehen ist. Dieser Spalt hat die Funktion, daß sich die Abknickung frei in ihm bewegen kann, was dann nötig wird, wenn der Stecker in den Sockel eingebracht wird. Von der Breite des Spaltes hängt ab, ob bei herausgezogenem Stecker von den sich korrespondierend gegenüberliegenden Federkontakten eine Schließer-oder eine öffnerfunktion übernommen werden soll. Wird der Spalt mit geringer Breite hergestellt, so verhindert.die nach unten weisende Abknickung am Fuße der Federkontakte, daß die beiden sich gegenüberliegenden Ausformungen am Fuße der Federkontakte sich auch bei herausgezogenem Stecker berühren. Hierdurch kann die Schließerfunktion realisiert werden. Sie Spaltbreite kann bei Herstellung des Sockelträgers für die jeweils gewünschten Funktionen berücksichtigt werden. Die Sockelabdeckung kann für alle Sockelträgervariationen dieselbe sein.It is furthermore advantageously provided that between the base cover and the base support there is a circumferential gap in the lower region at the level of the kink corresponding to the direction of the soldering lug and interrupted by the foot of the struts. This gap has the function that the kink can move freely in it, which is necessary when the plug is inserted into the base. The width of the gap depends on whether a normally open or an opener function is to be taken over by the correspondingly opposite spring contacts when the plug is pulled out. If the gap is made with a small width, the downward kink at the foot of the spring contacts prevents the two opposing shapes at the foot of the spring contacts from touching even when the plug is pulled out. In this way, the normally open function can be implemented. The gap width can be taken into account when manufacturing the base support for the desired functions. The base cover can be the same for all base support variations.

Hierzu ist es vorteilhaft, daß der Sockelträger in die Sockelabdeckung einschiebbar ist und dort über eine sich an seiner Stirnseite befindliche Nut, in die ein im Bereich des Fußes der Sockelabdeckung verlaufender Vorsprung eingreift, gehalten wird. Durch dieses Einschieben wird erreicht, daß verschiedene Sockelträger, die sich durch die Ausbildung unterschiedlicher Spaltbreiten für die einzelnen Federkontakte unterscheiden, in dieselbe Sockelabdeckung eingeschoben werden können und dort in einfacher Weise über das Zusammenwirken der Nut mit einem im Bereich des Fußes der Sockelabdeckung verlaufenden Vorsprung gehalten werden können.For this purpose, it is advantageous that the base carrier can be inserted into the base cover and there via a groove located on its end face, into which a projection extending in the region of the base of the base cover intervenes, is held. This insertion ensures that different base supports, which differ in the formation of different gap widths for the individual spring contacts, can be inserted into the same base cover and held there in a simple manner via the interaction of the groove with a projection running in the region of the foot of the base cover can be.

Zur sicheren Befestigung des Steckers im Sockel ist in vorteilhafter Weise vorgesehen, daß an einer Seite des Steckerfußes eine querverlaufende Rastaussparung eingebracht ist, welche mit einem korrespondierend ausgebildeten, federnden Rastnasenelement im Sockel zusammenwirkt. Dieses Rastnasenelement hat den Vorteil, daß die Einrastfunktion in einfacher Weise von den Federkontakten getrennt wahrgenommen wird, wodurch die beim Einrasten entstehenden höheren Kräfte keine Verformung der Federkontakte hervorrufen können.For secure fastening of the plug in the base, it is advantageously provided that a transverse latching recess is made on one side of the plug base, which interacts with a correspondingly configured, resilient latching lug element in the base. This latching lug element has the advantage that the latching function is perceived separately from the spring contacts in a simple manner, as a result of which the higher forces which arise when latching in cannot cause any deformation of the spring contacts.

In vorteilhafter Weise ist weiterhin vorgesehen, daß der Stecker aneinandergereihte, wahlweise einreihig oder zweireihig angeordnete, fest eingebettete Kontaktzungen aufweist, die in an der Unterseite der Einbettungen angebrachte Schlitze mit ihren bogenförmigen Enden eingreifen. Durch die Einbettung der Kontaktzungen im Zusammenhang mit dem Eingreifen der unteren bogenförmigen Enden der Kontaktzungen in die dafür vorgesehenen Schlitze wird insgesamt eine horizontale und vertikale Verschiebung dieser Kontakte vermieden, wodurch ebenfalls eine sichere Kontaktierung gefördert wird.Advantageously, it is further provided that the connector has lined-up, optionally single-row or double-row, fixedly embedded contact tongues which engage with their arcuate ends in slots provided on the underside of the embeddings. By embedding the contact tongues in connection with the engagement of the lower arcuate ends of the contact tongues in the slots provided for this purpose, a horizontal and vertical displacement of these contacts is avoided overall, which also promotes reliable contacting.

Weitere Vorteile und Merkmale der Erfindung ergeben sich aus der nachfolgenden Beschreibung der in den Zeichnungen dargestellen Ausführungsform. Es zeigen:

  • Figur 1 einen erfindungsgemäßen Stecker mit Sockel im teilweisen perspektivischen Querschnitt, Figur 2a einen Querschnitt durch einen Sockel mit zwei Steckkontaktvarianten, Figur 2b einen Querschnitt durch einen Sockel mit zwei anderen Steckkontaktvarianten, Figur 3a einen Querschnitt durch einen Sockel mit einer Steckkontaktvariante in herausgezogener Stellung und Figur 3b einen Querschnitt durch einen Sockel mit einer Steckkontaktvariante in gesteckter Stellung.
Further advantages and features of the invention emerge from the following description of the embodiment shown in the drawings. Show it:
  • 1 shows a plug according to the invention with a base in a partial perspective cross section, FIG. 2a shows a cross section through a base with two plug cones Clock variants, Figure 2b shows a cross section through a base with two other plug contact variants, Figure 3a shows a cross section through a base with a plug contact variant in the withdrawn position and Figure 3b shows a cross section through a base with a plug contact variant in the inserted position.

In der Fig. 1 ist ein Sockel 1 eines aus isolierendem Kunststoff hergestellten Steckverbinders zu erkennen, welcher eine Sockelabdeckung 3 und einen in diese einschieb - baren Sockelträger 4 aufweist, auf dem die Federkontakte 7 - gehalten werden. Am Fuße des Steckers 2 sind Kontaktzungen 18, die in nicht näher dargestellter Weise in den Fuß eingebettet sind, gezeigt, die mit den Federkontakten nach Einbringen des Steckers 2 in den Sockel 1 die gewünschte Kontaktierung herstellen. Diese Kontaktierung erfolgt im oberen Bereich 8 der Federkontakte 7. Die Länge des Fußes 2a des Steckers 2 ist so bemessen, daß die Kontaktzungen bei eingestecktem Stecker oberhalb der sich im unteren Bereich ' der Federkontakte 7 befindenden halbkreisförmigen Kontaktausformungen 13 enden. Hierdurch werden diese Teile der Federkontakte 7 von einer mechanischen Verformung durch das Einbringen des Steckers verschont und gewährleisten so bei herausgezogenem Stecker sichere Öffnungs- und Schließfunktionen. An diese bogenförmige Ausformung 13 schließt sich ein parallel zum Sockelboden verlaufender Querteil 10a an, der in einerin Richtung der Lötfahne 9 weisende Abknickung 10 endet. Wird nun der Stecker in den Sockel eingeschoben, so legt sich durch das Einschieben bedingt die Abknickung 10 des Federkontaktes 7 am rückwärtigen Teil dieses Federkontaktes an und bewirkt dadurch eine Druckerhöhung zwischen den Kontaktzungen 18 und dem bauchigen Teil des Federkontaktes 8, wodurch die Kontaktierung sicher und auch bei eventuell nachlassenden Federkräften zuverlässig erfolgen kann.1 shows a base 1 of a connector made of insulating plastic, which has a base cover 3 and a base carrier 4 which can be pushed into it and on which the spring contacts 7 are held. At the foot of the plug 2, contact tongues 18 are shown, which are embedded in the foot in a manner not shown, which produce the desired contact with the spring contacts after inserting the plug 2 into the base 1. This contact is made in the upper region 8 of the spring contacts 7. The length of the foot 2a of the plug 2 is dimensioned such that the contact tongues end above the semicircular contact shapes 13 located in the lower region of the spring contacts 7 when the plug is inserted. As a result, these parts of the spring contacts 7 are protected from mechanical deformation by inserting the plug and thus ensure safe opening and closing functions when the plug is pulled out. At this arcuate molding 13 a extending parallel to the base floor cross member 10a connects the 9-setting bend 10 terminates in an r in the direction of the solder tail. If the plug is now inserted into the base, due to the insertion, the kink 10 of the spring contact 7 is placed on the rear part of this spring contact and thereby causes an increase in pressure between the contact tongues 18 and the bulbous part of the spring contact 8, which makes the contact safe and can also take place reliably with possibly decreasing spring forces.

Um einen sicheren Sitz der Federkontakte 7 zu erhalten, werden diese über einen Steg 6 gelegt, der im oberen Bereich von in Längsrichtung verlaufenden, der Breite der Federkontakte entsprechenden Kammern 5 eingebracht ist. Die Kammern werden zwischen den Verstrebungen 16 gebildet und bewirken somit, daß eine seitliche Verschiebung ausgeschlossen werden kann. Die rückwärtige Kammerwand bildet mit dem Sockelträger 4 einen im unteren Bereich in der Höhe der in Richtung der Lötfahne 9 weisenden Abknickung 10 entsprechenden, vom Fuß der Verstrebungen 16a unterbrochenen, umlaufenden Spalt 14. Von der Breite dieses Spaltes 14 hängt es ab, ob sich gegenüberliegende Federkontakte 7 Öffnung- oder Schließfunktionen einnehmen sollen. Durch das Anliegen der Abknickung 10 an der in Richtung der Sockelmitte liegenden Kante wird der Bereich, in den die Ausformungen der Federkontakte in die Sockelmitte hineinragen, begrenzt. Wird daher der Spalt 14 klein ausgebildet, so legt sich die Abknickung 10 schneller an der innenliegenden Kante des Spaltes an und kann daher keine Kontaktierung mit dem gegenüberliegenden Federkontakt eingehen.In order to obtain a secure fit of the spring contacts 7, these are placed over a web 6 in the upper area of chambers 5 running in the longitudinal direction and corresponding to the width of the spring contacts. The chambers are formed between the struts 16 and thus have the effect that a lateral displacement can be excluded. The rear chamber wall forms with the base carrier 4 a circumferential gap 14 in the lower region at the height of the bend 10 corresponding to the soldering lug 9 and interrupted by the foot of the struts 16a. The width of this gap 14 depends on whether there are opposing ones Spring contacts 7 should assume opening or closing functions. Due to the abutment of the kink 10 against the edge lying in the direction of the center of the base, the area into which the shapes of the spring contacts protrude into the center of the base is limited. Therefore, if the gap 14 is made small, the kink 10 attaches more quickly to the inner edge of the gap and therefore cannot make contact with the opposite spring contact.

An einer Seite des Sockelträgers 4 ist eine Nut 21 vorgesehen, die nach dem Überstülpen der Sockelabdeckung 3 über den Sockelträger 4 mit einem im Bereich des Fußes der Sokkelabdeckung 3 verlaufenden Vorsprung 22 einrastet und dadurch einen festen Sitz des Sockelträgers und somit der Federkontakte in der Sockelabdeckung garantiert.On one side of the base support 4, a groove 21 is provided which, after the base cover 3 has been slipped over the base support 4, engages with a projection 22 extending in the area of the base of the base cover 3 and thereby a firm fit of the base support and thus the spring contacts in the base cover guaranteed.

An einer Seite des Steckerfußes 2a ist eine Rastaussparung 17 vorgesehen, die nach dem Einschieben des Steckers 2 in den Sockel 1 ein Verrasten mit einer im Sockel vorgesehenen Rastnase 11, die auf einem federnden Rastnasenelement 12 sitzt, bewirkt.On one side of the plug base 2a there is a catch recess 17 which, after the plug 2 has been inserted into the base 1, causes a catch with a catch 11 provided in the base and seated on a resilient catch element 12.

In an sich bekannter Weise weist der Sockel 1 an einer Seite eine Ausnehmungserweiterung 15 auf, in die eine am Stecker vorgesehene korrespondierende Ausbildung eingreifen kann. Diese Ausnehmungserweiterung 15 erlaubt ein nicht verwechselbares Zusammenstecken von Stecker.In a manner known per se, the base 1 has a recess extension 15 on one side into which a corresponding design provided on the plug can engage. This recess extension 15 allows a non-interchangeable plug connection.

Aus dem in Fig. 2 gezeigten Querschnitt durch den Sockel und den Fuß 2a des Steckers 2 ist zu erkennen, daß die Kontaktzungen 18 ein gebogenes Ende 20 aufweisen, welches in Schlitze 19 eingreift und so einen festen Sitz der Kontaktzungen herstellt. Die Breite B des Steckerfußes entspricht der Breite der öffnung 23 im Sockel, durch welche der Fuß 2a des Steckers 2 eingesteckt wird. Wird in einen, wie in Fig. 2a dargestellten Sockel ein Stecker in der Form, wie sie dem Fall S1 entspricht, eingesteckt, so kann dieses Steckverbindungssystem die Funktionen eines zweimal einseitigen Kontaktierens plus Öffnerfunktion, voreilend übernehmen. Das zweimal einseitige Kontaktieren erfolgt über die nicht miteinander verbundenen Kontaktzungen 18, die jede für sich den Kontakt mit den Federkontakten 7 herstellen. Beim Herausziehen des Fußes 2a legen sich die gegenüberliegenden Federkontakte 7 mit ihren Ausformungen wieder aneinander an, da der Spalt 14 so gewählt ist, daß eine Kontaktierung der Ausformungen 13 vorher erfolgt, bevor die Abknickung 10 am innenliegenden Rand des Spaltes 24 anliegt. Über die in Richtung der Sockelmitte weisende Federkraft wird dann die Öffnerfunktion wahrgenommen. Es kann aber auch gewünscht sein, daß nur ein einseitiges -Kontaktieren plus einer öffnerfunktion von dem Steckverbinder erfüllt werden soll. In diesem Falle wird ein wie in Fig. 2a dargestellter Sockel mit einem gemäß S2 aufgebauten Steckerfuß zusammengebracht. Weitere Varianten ergeben sich aus den Fig. 2b, 3a und 3b, wobei bei dem in Fig. 2b dargestellten Sockelträger der Spalt 14 so schmal ausgebildet ist, daß die Abknickungen 10 an den Innenkanten 24 des Spaltes 14 anliegen, bevor ein gegenseitiges Berühren ihrer Ausformungen 13 stattfindet. In diesem Falle wird also bei herausgezogenem Stecker die Schließerfunktion hergestellt. Ein solcher Sockelträger in Verbindung mit einem Steckerfuß S3 kann daher die Funktionen eines doppelten, zweiseitigen Kontaktierens plus Schließerfunktion übernehmen. Wird ein solcher Sockel mit einem Steckerfuß gemäß S4 in Verbindung gebracht, so übernimmt dieses System ein zweimal einfaches, einseitiges Kontaktieren.From the state shown in Fig. 2 cross-section through the base and the base 2a of the connector 2 will be appreciated that the K ontaktzungen 18 having a bent end 20 which engages slots 19 and so produces a tight fit of the contact tongues. The width B of the plug base corresponds to the width of the opening 23 in the base through which the base 2a of the plug 2 is inserted. If a plug, as shown in FIG. 2 a, is inserted into a base, as shown in FIG. 2 a, this plug connection system can perform the functions of two-sided contacting plus opening function, prematurely. The two-sided contacting takes place via the non-interconnected contact tongues 18, which each make contact with the spring contacts 7. When the foot 2a is pulled out, the opposing spring contacts 7 rest against each other with their formations, since the gap 14 is selected so that the formations 13 are contacted before the kink 10 bears against the inner edge of the gap 24. The opening function is then performed via the spring force pointing towards the center of the base. However, it can also be desired that only one-sided contacting plus an opening function should be performed by the connector. In this case, a base as shown in FIG. 2a is brought together with a plug base constructed according to S2. Further variants result from FIGS. 2b, 3a and 3b, the gap 14 in the base support shown in FIG. 2b being so narrow that the bends 10 abut the inner edges 24 of the gap 14 before their shapes touch each other 13 takes place. In this case, the make function is established when the plug is pulled out. Such a base support in connection with a plug base S3 can therefore take over the functions of a double, two-sided contacting plus make function. If such a base is connected to a plug base according to S4, this system takes over two-way, one-sided contacting.

Schließlich wird aus der in Fig. 3 dargestellten Variante gezeigt, wie ein einfaches, einseitiges Kontaktieren mit einem erfindungsgemäßen Steckverbinder ermöglicht wird. Dabei ist aus Fig. 3b, wo der Stecker in den Sockel eingebracht ist, zu sehen, wie sich die Abknickung 10 am rückwärtigen Teil des Federkontaktes 7 anlegt und dadurch eine Abstützung bewirkt, die eine Kontaktierung des bauchigen Teils 8 des Federkontaktes 7 mit der Kontaktzunge 18 unterstützt. Da der Fuß 2a des Steckers 2 nicht bis in den Bereich der Ausformung 13 vordringt, wird diese vor einer mechanischen Verformung geschützt und kann somit insbesondere die Öffnerfunktion zuverlässig und sicher wahrnehmen.Finally, the variant shown in FIG. 3 shows how simple, one-sided contacting is made possible with a connector according to the invention. From Fig. 3b, where the plug is inserted into the base, it can be seen how the kink 10 bears on the rear part of the spring contact 7 and thereby causes a support which makes contact with the bulbous part 8 of the spring contact 7 with the contact tongue 18 supports. Since the foot 2a of the plug 2 does not penetrate into the area of the formation 13, it is protected against mechanical deformation and can therefore perform the opening function reliably and safely in particular.

Claims (7)

1. Steckverbinder, bei welchem beispielsweise auf zwei gegenüberliegenden Innenseiten des Sockels angeordnete Federkontakte mit auf der Außenseite eines Steckers vorgesehenen Kontaktzungen zusammenwirken, dadurch gekennzeichnet, daß die Federkontakte (7) im oberen, dem Stecker (2) zugewandten Bereich (8) des Sockels (3) zur Kontaktierung mit den Stecker-Kontaktzungen (18) bauchig ausgebildet sind, im ungesteckten Zustand bei paariger Anordnung im unteren Bereich des Sockels (3) in Richtung zur Sockelmitte gebogene, halbkreisförmige, kontaktierende Kontaktausformungen besitzen, die im gesteckten Zustand zwangsförmig geöffnet werden und hierbei über parallel zum Sockelboden verlaufende Querteile (10a) und anschließenden in Richtung der Lötfahnen (9) weisenden Abknickungen (10) eine federnde Abstützung an den vertikalen Schenkeln der Federkontakte (7) zum Zwecke der Gegendruckerhöhung für die Steckerkontaktierung im Bereich (8) bewirken.1. Connector in which, for example, spring contacts arranged on two opposite inner sides of the base interact with contact tongues provided on the outside of a connector, characterized in that the spring contacts (7) in the upper region (8) of the base (8) of the base ( 3) are bulged to make contact with the plug contact tongues (18), in the unplugged state with pairs arranged in the lower region of the base (3) towards the center of the base have curved, semicircular, contacting contact formations which are forced to open when plugged in and cause resilient support on the vertical legs of the spring contacts (7) for the purpose of increasing the counterpressure for the plug contact in the area (8) via transverse parts (10a) running parallel to the base and subsequent bends (10) pointing in the direction of the solder lugs (9). 2. Steckverbinder nach Anspruch 1, dadurch gekennzeichnet, daß der Sockelträger mit durch Verstrebungen (16) abgegrenzten Kammern (5), die der Breite der Federkontakte entsprechen, versehen ist, in deren oberen Bereich sich Querstege (6) befinden.2. Connector according to claim 1, characterized in that the base support with struts (16) delimited chambers (5), which correspond to the width of the spring contacts, is provided, in the upper region of which there are transverse webs (6). 3. Steckverbinder nach Anspruch 1 und 2, dadurch gekennzeichnet, daß der Abstand zwischen dem Quersteg (6) und der Sockelabdeckung (3) gerade der Dicke der Federkontakte (7) entspricht.3. Connector according to claim 1 and 2, characterized in that the distance between the crossbar (6) and the base cover (3) corresponds exactly to the thickness of the spring contacts (7). 4. Steckverbinder nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß zwischen Sockelabdeckung (3) und Sockelträger (4) ein im unteren Bereich in der Höhe der in Richtung der Lötfahne (9) weisende Abknickung entsprechender, vom Fuß der Verstrebungen unterbrochener umlaufender Spalt (14) vorgesehen ist.4. Connector according to one of claims 1 to 3, characterized in that between the base cover (3) and base support (4) in the lower region at the height of the in the direction of the soldering lug (9) pointing kinking corresponding, interrupted by the foot of the struts circumferential Gap (14) is provided. 5. Steckverbinder nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Sockelträger (4) in die Sockelabdeckung (3) einschnappbar ist und dort über eine sich an seiner Stirnseite befindende Nut (21), in die ein im Bereich des Fußes der Sockelabdeckung verlaufender Vorsprung (22) eingreift, gehalten wird.5. Connector according to one of claims 1 to 4, characterized in that the base carrier (4) in the base cover (3) can be snapped and there via a groove located on its end face (21) into which a in the foot region Socket cover extending projection (22) engages, is held. 6. Steckverbinder nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß an einer Seite des Steckerfußes (2a) eine quer verlaufende Rastaussparung (17) eingebracht ist, welche mit einem korrespondierend ausgebildeten federnden Rastnasenelement (12) im Sockel zusammenwirkt.6. Connector according to one of claims 1 to 5, characterized in that a transverse latching recess (17) is introduced on one side of the plug base (2a), which cooperates with a correspondingly designed resilient locking lug element (12) in the base. 7. Ste ok verbinder nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der Stecker aneinandergereihte, wahlweise einreihig oder zweireihig angeordnete, fest eingebettete Kontaktzungen (18) aufweist, die in an der Unterseite der Einbettungen angebrachten Schlitze (19) mit ihren bogenförmigen Enden (20) eingreifen.7. Ste ok connector according to one of claims 1 to 6, characterized in that the connector has lined up, optionally single-row or two-row arranged, fixedly embedded contact tongues (18) which in the underside of the embedding slots (19) with their arcuate Engage the ends (20).
EP81102291A 1980-04-19 1981-03-26 Functional plug connector Expired EP0038431B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81102291T ATE10887T1 (en) 1980-04-19 1981-03-26 FUNCTIONAL CONNECTOR.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3015139 1980-04-19
DE19803015139 DE3015139A1 (en) 1980-04-19 1980-04-19 FUNCTIONAL CONNECTOR

Publications (3)

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EP0038431A2 true EP0038431A2 (en) 1981-10-28
EP0038431A3 EP0038431A3 (en) 1981-12-16
EP0038431B1 EP0038431B1 (en) 1984-12-19

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ID=6100473

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EP81102291A Expired EP0038431B1 (en) 1980-04-19 1981-03-26 Functional plug connector

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EP (1) EP0038431B1 (en)
AT (1) ATE10887T1 (en)
DE (2) DE3015139A1 (en)

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GB2270425A (en) * 1992-08-18 1994-03-09 Whitaker Corp Female electrical terminal
EP0630079A1 (en) * 1993-06-16 1994-12-21 Alcatel Cable Interface Subscriber termination device
EP0668639A1 (en) * 1994-02-18 1995-08-23 Sumitomo Wiring Systems, Ltd. Bulb socket
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CN112436312A (en) * 2020-11-25 2021-03-02 高月英 Double-safety electric shock prevention socket and plug thereof

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EP0204675A2 (en) * 1985-06-03 1986-12-10 Adc Telecommunications, Inc. Modular distribution frame including protector modules adapted for break access testing
EP0204675A3 (en) * 1985-06-03 1989-07-05 Adc Telecommunications, Inc. Modular distribution frame including protector modules adapted for break access testing
FR2609573A1 (en) * 1987-01-09 1988-07-15 Silec Liaisons Elec Safety contactor
DE3706221A1 (en) * 1987-02-26 1988-09-08 Rutenbeck Wilhelm Gmbh & Co Plug connector for telecommunications conductor connections
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EP0407036A2 (en) * 1989-06-19 1991-01-09 International Business Machines Corporation Connection test system
EP0407036A3 (en) * 1989-06-19 1992-03-04 International Business Machines Corporation Connection test system
FR2683681A1 (en) * 1991-11-08 1993-05-14 Souriau & Cie Electrical connector for a cable, with self-looping
GB2270425A (en) * 1992-08-18 1994-03-09 Whitaker Corp Female electrical terminal
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EP0630079A1 (en) * 1993-06-16 1994-12-21 Alcatel Cable Interface Subscriber termination device
FR2706682A1 (en) * 1993-06-16 1994-12-23 Mars Actel Subscriber termination device
EP0668639A1 (en) * 1994-02-18 1995-08-23 Sumitomo Wiring Systems, Ltd. Bulb socket
US5634823A (en) * 1994-02-18 1997-06-03 Sumitomo Wiring Systems, Ltd. Electrical element socket
AU713948B2 (en) * 1996-06-24 1999-12-16 Akzo Nobel N.V. Process for enhancing the melt strength of polypropylene(co)polymers
WO2006013117A1 (en) * 2004-07-30 2006-02-09 Robert Bosch Gmbh Socket part for establishing an electrical plug connection with an additional spring element
CN112436312A (en) * 2020-11-25 2021-03-02 高月英 Double-safety electric shock prevention socket and plug thereof
CN112436312B (en) * 2020-11-25 2022-11-18 国网上海市电力公司 Double-safety electric shock prevention socket and plug thereof

Also Published As

Publication number Publication date
ATE10887T1 (en) 1985-01-15
DE3167782D1 (en) 1985-01-31
EP0038431B1 (en) 1984-12-19
DE3015139A1 (en) 1981-10-22
EP0038431A3 (en) 1981-12-16

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