EP3570385B1 - Socket protector - Google Patents

Socket protector Download PDF

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Publication number
EP3570385B1
EP3570385B1 EP19171720.6A EP19171720A EP3570385B1 EP 3570385 B1 EP3570385 B1 EP 3570385B1 EP 19171720 A EP19171720 A EP 19171720A EP 3570385 B1 EP3570385 B1 EP 3570385B1
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EP
European Patent Office
Prior art keywords
socket
locking plate
plate
guide
cover
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EP19171720.6A
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German (de)
French (fr)
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EP3570385A1 (en
Inventor
Sasha Konjkav
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Individual
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Individual
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Priority to PL19171720T priority Critical patent/PL3570385T3/en
Publication of EP3570385A1 publication Critical patent/EP3570385A1/en
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Publication of EP3570385B1 publication Critical patent/EP3570385B1/en
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    • 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
    • H01R13/44—Means for preventing access to live contacts
    • H01R13/447—Shutter or cover plate
    • H01R13/453—Shutter or cover plate opened by engagement of counterpart
    • H01R13/4532—Rotating shutter
    • 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
    • H01R13/44—Means for preventing access to live contacts
    • H01R13/447—Shutter or cover plate
    • H01R13/453—Shutter or cover plate opened by engagement of counterpart
    • H01R13/4534—Laterally sliding shutter

Definitions

  • the innovation relates to a socket safety device with a locking plate arranged to be rotatably displaceable between a lid and a base plate, the outer dimensions of the lid and base plates being dimensioned in such a way that they can be inserted into the trough formed by a socket outlet, and the base plate through an associated fastening means can be fastened in the trough formed by the socket.
  • Socket fuses of the type mentioned are known, for example, from DE3700231A1 or the DE 10 2012 000 617 A1 . These socket fuses are mounted inside the trough formed by the respective socket and fastened there by means of a suitable fastening means, for example screwed or glued on.
  • the locking plate like the cover and base plates, is usually provided with two through-holes for the contact pins of an electrical connector.
  • the through-holes in the cover, locking and base plates are usually positioned in such a way that they only release complete through-channels for the contact pins of the plug in an opening position that can be occupied by moving the locking plate, so that they can be plugged into the contact elements of the socket .
  • the locking plate In a rest position, on the other hand, the locking plate is displaced in such a way that the through channels are closed, so that unintentional contact from the outside with the contact elements of the socket is prevented.
  • the locking plate is usually supported by spring or other retaining elements are held in their rest position, and the locking plate is usually moved into its open position by using the contact pins of the plug to move the locking plate when it is inserted become.
  • Such socket safety devices are preferably used, for example, to prevent small children from playing with an object at a socket, accidentally making contact with a contact element of the socket and thereby suffering damage.
  • the outer contour of the socket outlet fuse can be matched comparatively precisely to the inner contour of the socket outlet recess, so that the through holes are automatically and appropriately positioned during assembly. With such a precise coordination of the contours, undesired jamming of the components can easily occur during assembly.
  • the innovation is therefore based on the object of specifying an improved socket protection of the type mentioned above, in which, with particularly simple means, increased security against unintentional actuation and short circuits can be achieved and at the same time a high level of user-friendliness.
  • the invention therefore relates to a socket safety device with a locking plate which is arranged displaceably between a cover plate and a base plate.
  • the outer dimensions of the top and bottom plates are dimensioned in such a way that they can be inserted into the trough formed by a socket; the base plate can also be fastened by an associated fastening means in the trough formed by the socket.
  • the cover plate is provided with a guide opening and the base plate is provided with a guide opening in addition to the fastening means, these guide openings in the assembled state of the cover and base plate being a continuous one for receiving one Form a suitable guide channel arranged on the socket guide pin.
  • the locking plate is provided with a guide opening extending along a provided displacement direction in such a way that the guide opening of the locking plate in each position of the locking plate between the cover and base plate made possible by the provided displacement has the guide channel formed by their guide openings in its for the passage of the guide pin of the socket keeps the required cross-section open
  • the cover plate is designed with through holes in the form of elongated holes.
  • the cover plate of the socket outlet fuse according to the invention is also designed with through holes in the form of elongated holes with a curved contour.
  • the intended displaceability of the locking plate includes rotational movements.
  • “displacement” and “displaceable” refer to a relative movement between the locking plate and the cover or base plate, which includes a rotational movement.
  • the locking plate of the socket outlet fuse is also held in a rest position by at least one spring element.
  • the rest position denotes the position of the locking plate opposite to the open position, whereby in the open position the through channels in the socket fuse are released for the contact pins of the plug so that they can be plugged into the contact elements of the socket.
  • the locking plate of the socket safety device which is designed to release electrical contact elements of the socket by means of a rotational movement, comprises housing parts and a spring element held between the housing parts.
  • the locking plate can be designed to release electrical contact elements of the socket by means of a rotational movement.
  • the locking plate can assume a rest position with minimal rotation and an open position with maximum rotation.
  • resilient side arms of the spring element can be tensioned to generate a restoring force.
  • the spring element can be rotationally fixed by means of a groove in a holding head formed on the inside of the cover plate.
  • the spring element and the corresponding groove are advantageously constructed and designed in such a way that when the spring is pretensioned, the spring element remains firmly in the groove and does not jump out. In this way a short circuit cannot be created.
  • the guide opening can be designed as a recess extending along the outer edge of the housing parts in the manner of a segment of a circle.
  • the locking plate can particularly advantageously be rotatable about its central axis.
  • the guide channel formed by the guide openings is kept open in its cross section required for the cross section of the guide pin of the socket when the locking plate is rotated about its central axis in every position of the locking plate.
  • the locking plate In the unloaded state, the locking plate is held in the rest position by means of the spring elements, and the socket outlet safety device is accordingly opened against the spring force applied by the spring elements.
  • the innovation on which the present invention is based is based on the consideration that particularly simplified assembly can be provided, in particular for a socket outlet fuse, which is provided for attachment to a socket outlet provided with a guide pin.
  • This can be used specifically to facilitate assembly, in that the components of the socket outlet fuse are each provided with a guide opening adapted to such a guide pin.
  • the guide opening of the locking plate should be suitably designed and contoured to allow the locking plate to be moved between the open and rest position without hindrance even when the guide pin is inserted.
  • the socket fuse 1 serves to secure a socket 2 in the event that the plug 4 is not plugged in. It is provided in particular to prevent small children from playing with an object on a socket 2, accidentally making contact with a contact element 6 of the socket and thereby suffering damage.
  • the socket fuse 1 comprises, as in particular the exploded views in Fig. 2 , 3 can be removed, as essential components a cover plate 12, a base plate 14 and a locking plate 16 rotatably arranged between these in the assembled state can be brought in.
  • the base plate 14 can be fastened by an associated fastening means 20, in the exemplary embodiment a durable double-sided adhesive tape, in the trough 18 formed by the socket outlet 2.
  • the cover plate 12, the base plate 14 and the locking plate 16 are each provided with two through holes 22 for the contact pins 24 of the electrical connector 4.
  • the locking plate 16 is in the embodiment according to Figures 1 to 5 designed for releasing the electrical contact elements 6 of the socket 2 by means of a rotary movement of the locking plate 16. In the end positions of the rotational movement of the locking plate 16 made possible by these components, the locking plate 16 can assume a rest position with minimal rotation and an open position with maximum rotation. In the rest position, the through holes 22 of the locking plate 16 are positioned rotated relative to the through holes 22 of the base plate 14, and the separating surface 26 of the locking plate 16 closes the through holes 22 in the base plate 14. In this position, access to the contact elements 6 of the socket 2 positioned below the through holes 22 of the base plate 14 is therefore not possible.
  • the through holes 22 of the locking plate 16 come to lie directly above the through holes 22 of the bottom plate 14, so that the through holes 22 of the locking plate 16 and bottom plate 14 form a through channel for the contact pins 24 of the electrical connector 4 and release it .
  • the through holes 22 in the cover plate 12 are designed as elongated holes with a curved contour, which enable the contact pins 24 to engage in the through holes 22 of the locking plate 16 in all positions of the displacement path the locking plate 16 allow.
  • the contact pins 24 of the electrical connector 4 engage with the through holes 22 of the locking plate 16 through the through holes 22 of the cover plate 12.
  • the locking plate 16 can then be rotated by means of the plug 4 up to the open position, where the through holes 22 of the base plate 14 are released and the plug 4 can be plugged into the contact elements 6 of the socket 2 below.
  • the locking plate 16 is in turn made in several parts; it comprises two housing parts 30, 32, between which an S-shaped spring element 34 is held. This is brought into engagement with its central area during the assembly of the socket outlet fuse 1 with a groove 36 in a retaining head 38 formed centrally on the inside of the cover plate 12 and thereby fixed in a rotational manner. Holding heads 39 formed on the inside of the housing parts 30, 32 come into engagement with the free ends of the spring element 34, so that when the locking plate 16 rotates around the holding head 38, the resilient side arms of the spring element 34 are tensioned. This generates the restoring force which, when the locking plate 16 is rotated, brings it back to the rest position.
  • the spring element 34 and correspondingly the groove 36 are advantageously constructed and designed in such a way that even when the spring is pretensioned, the S-shaped spring element 34 remains firmly in the groove 36 and does not pop out so that it does not create a short circuit.
  • the socket fuse 1 is designed for easier installation in the socket 2 using the guide pin 43 provided on the socket 2.
  • the cover plate 12 is provided with a guide opening 40 and the base plate 14 is provided with a guide opening 42 in addition to the fastening means 20.
  • the guide openings 40, 42 form a continuous guide channel 44 suitable for receiving the guide pin 43 arranged on the socket outlet 2
  • the locking plate 16 in the present case the housing parts 30, 32 forming it, is provided with a guide opening designed for this purpose.
  • this is designed as a recess 48 extending along the outer edge of the housing parts 30, 32 in the manner of a segment of a circle, so that when the locking plate 16 is rotated about its central axis in every position of the locking plate 16 between Rest and opening position holds the guide channel 44 formed by the guide openings 40, 42 open in its cross section required for the guide pin 43 of the socket 2 to pass through.
  • the socket fuse 1 is in Fig. 4 Shown in plan view in the rest position of the locking plate 16. In this position, the spring element 34 rotationally fixed in the groove 36 is relaxed, and the through holes 22 of the locking plate 16 are rotationally offset or rotated with respect to the through holes 22 of the base plate 14. In contrast, FIG Fig. 5 The socket safety device 1 in plan view in the open position of the locking plate 16. It can be clearly seen that in this position the through holes 22 of the locking plate 16 are now directly above the through holes 22 of the base plate 14, so that the plug 4 into the contact elements 6 of the socket below 2 can be plugged in. In both positions, i.e. in the in Fig. 4 rest position shown and also in the in Fig. 5 The opening position of the locking plate 16 shown in the figure, the guide openings 40, 42, 46 form a continuously open guide channel 44 suitable for receiving the guide pin 43 arranged on the socket outlet 2.
  • the locking plate 16 is designed for a displacement of the locking plate 16 by rotation or twisting.
  • “displacement” and “displaceable” in this sense is generally based on a relative movement between the locking plate 16 and the cover or base plate 12, 14, which expressly includes a rotational movement.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Fuses (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Description

Technisches GebietTechnical area

Die Neuerung betrifft eine Steckdosensicherung mit einer zwischen einer Deckel- und einer Bodenplatte rotatorisch verschiebbar angeordneten Riegelplatte, wobei die Deckel- und die Bodenplatte in ihren Außenabmessungen derart bemessen sind, dass sie in die von einer Steckdose gebildete Mulde einbringbar sind, und wobei die Bodenplatte durch ein zugeordnetes Befestigungsmittel in der von der Steckdose gebildeten Mulde befestigbar ist.The innovation relates to a socket safety device with a locking plate arranged to be rotatably displaceable between a lid and a base plate, the outer dimensions of the lid and base plates being dimensioned in such a way that they can be inserted into the trough formed by a socket outlet, and the base plate through an associated fastening means can be fastened in the trough formed by the socket.

Stand der TechnikState of the art

Steckdosensicherungen der genannten Art sind beispielsweise bekannt aus der DE3700231A1 oder der DE 10 2012 000 617 A1 . Diese Steckdosensicherungen werden innerhalb der von der jeweiligen Steckdose gebildeten Mulde montiert und über ein geeignetes Befestigungsmittel dort befestigt, beispielsweise angeschraubt oder angeklebt. Bei derartigen Steckdosensicherungen ist die Riegelplatte, ebenso wie die Deckel- und die Bodenplatte, üblicherweise mit zwei Durchgangslöchern für die Kontaktstifte eines elektrischen Steckers versehen.Socket fuses of the type mentioned are known, for example, from DE3700231A1 or the DE 10 2012 000 617 A1 . These socket fuses are mounted inside the trough formed by the respective socket and fastened there by means of a suitable fastening means, for example screwed or glued on. In the case of socket-outlet fuses of this type, the locking plate, like the cover and base plates, is usually provided with two through-holes for the contact pins of an electrical connector.

Weitere Steckdosensicherungen sind aus der EP 0 771 051 A1 , aus der DE 43 36 931 A1 und aus der FR 2 619 966 A1 bekannt.Further socket fuses are from the EP 0 771 051 A1 , from the DE 43 36 931 A1 and from the FR 2 619 966 A1 famous.

Die Durchgangslöcher in der Deckel-, der Riegel- und der Bodenplatte sind dabei üblicherweise derart positioniert, dass sie lediglich in einer durch Verschieben der Riegelplatte einnehmbaren Öffnungsposition vollständige Durchgangskanäle für die Kontaktstifte des Steckers freigeben, so dass diese in die Kontaktelemente der Steckdose eingesteckt werden können. In einer Ruheposition hingegen ist die Riegelplatte dabei derart verschoben, dass die Durchgangskanäle verschlossen sind, so dass ein unbeabsichtigter Kontakt von außen mit den Kontaktelementen der Steckdose verhindert ist. Die Riegelplatte wird dabei üblicherweise durch Feder- oder andere Rückhalteelemente in ihrer Ruheposition gehalten, und ein Verschieben der Riegelplatte in ihre Öffnungsposition erfolgt üblicherweise, indem die Kontaktstifte des Steckers beim Einstecken zum Verschieben der Riegelplatte verwendet werden. Bevorzugt werden solche Steckdosensicherungen beispielsweise dafür eingesetzt, Kleinkinder daran zu hindern, mit einem Gegenstand an einer Steckdose zu spielen, versehentlich einen Kontakt zu einem Kontaktelement der Steckdose herzustellen und dadurch Schaden zu erleiden.The through-holes in the cover, locking and base plates are usually positioned in such a way that they only release complete through-channels for the contact pins of the plug in an opening position that can be occupied by moving the locking plate, so that they can be plugged into the contact elements of the socket . In a rest position, on the other hand, the locking plate is displaced in such a way that the through channels are closed, so that unintentional contact from the outside with the contact elements of the socket is prevented. The locking plate is usually supported by spring or other retaining elements are held in their rest position, and the locking plate is usually moved into its open position by using the contact pins of the plug to move the locking plate when it is inserted become. Such socket safety devices are preferably used, for example, to prevent small children from playing with an object at a socket, accidentally making contact with a contact element of the socket and thereby suffering damage.

Bei der Befestigung einer solchen Steckdosensicherung in der Mulde der Steckdose ist eine vergleichsweise genaue Positionierung wünschenswert, so dass die in der Öffnungsposition freigegebenen Durchgangskanäle genau über den Kontaktelementen der Steckdose angeordnet sind und damit der Stecker problemlos in diese eingesteckt werden kann. Um dies zu erleichtern, kann die Außenkontur der Steckdosensicherung vergleichsweise genau an die Innenkontur der Steckdosenmulde angepasst sein, so dass die Durchgangslöcher bei der Montage selbsttätig geeignet positioniert werden. Bei einer derartig genauen Abstimmung der Konturen kann es aber leicht zu einem unerwünschten Verklemmen der Bauteile bei der Montage kommen.When securing such a socket safety device in the recess of the socket outlet, comparatively precise positioning is desirable so that the through channels released in the open position are arranged exactly above the contact elements of the socket outlet and so that the plug can be plugged into them without any problems. In order to facilitate this, the outer contour of the socket outlet fuse can be matched comparatively precisely to the inner contour of the socket outlet recess, so that the through holes are automatically and appropriately positioned during assembly. With such a precise coordination of the contours, undesired jamming of the components can easily occur during assembly.

Darstellung der Erfindung, Aufgabe, Lösung, VorteilePresentation of the invention, task, solution, advantages

Der Neuerung liegt daher die Aufgabe zugrunde, eine verbesserte Steckdosensicherung der oben genannten Art anzugeben, bei der mit besonders einfachen Mitteln eine erhöhte Sicherheit gegenüber unbeabsichtigter betätigung sowie vor Kurzschlüssen erzielt werden kann und die gleichzeitig eine hohe Benutzerfreundlichkeit .The innovation is therefore based on the object of specifying an improved socket protection of the type mentioned above, in which, with particularly simple means, increased security against unintentional actuation and short circuits can be achieved and at the same time a high level of user-friendliness.

Die Erfindung betrifft daher eine Steckdosensicherung mit einer zwischen einer Deckel- und einer Bodenplatte verschiebbar angeordneten Riegelplatte. Die Deckel- und die Bodenplatte sind dabei in ihren Außenabmessungen derart bemessen, dass sie in die von einer Steckdose gebildeten Mulde einbringbar sind; die Bodenplatte ist weiterhin durch ein zugeordnetes Befestigungsmittel in der von der Steckdose gebildeten Mulde befestigbar. Die Deckelplatte ist mit einer Führungsöffnung und die Bodenplatte zusätzlich zum Befestigungsmittel mit einer Führungsöffnung versehen, wobei diese Führungsöffnungen im montierten Zustand von Deckel- und Bodenplatte einen durchgängigen, zur Aufnahme eines an der Steckdose angeordneten Führungsstifts geeigneten Führungskanal bilden. Die Riegelplatte ist mit einer sich entlang einer vorgesehenen Verschieberichtung erstreckenden Führungsöffnung derart versehen, dass die Führungsöffnung der Riegelplatte in jeder durch die vorgesehene Verschiebbarkeit ermöglichten Position der Riegelplatte zwischen Deckel- und Bodenplatte den von deren Führungsöffnungen gebildeten Führungskanal in seinem für den Durchtritt des Führungsstifts der Steckdose erforderlichen Querschnitt offenhältThe invention therefore relates to a socket safety device with a locking plate which is arranged displaceably between a cover plate and a base plate. The outer dimensions of the top and bottom plates are dimensioned in such a way that they can be inserted into the trough formed by a socket; the base plate can also be fastened by an associated fastening means in the trough formed by the socket. The cover plate is provided with a guide opening and the base plate is provided with a guide opening in addition to the fastening means, these guide openings in the assembled state of the cover and base plate being a continuous one for receiving one Form a suitable guide channel arranged on the socket guide pin. The locking plate is provided with a guide opening extending along a provided displacement direction in such a way that the guide opening of the locking plate in each position of the locking plate between the cover and base plate made possible by the provided displacement has the guide channel formed by their guide openings in its for the passage of the guide pin of the socket keeps the required cross-section open

Die Deckelplatte ist mit Durchgangslöchern in der Form von Langlöchern ausgebildet. Mittels der als Langlöcher ausgebildeten Durchgangslöcher wird das Eingreifen der Kontaktstifte des elektrischen Steckers in diese Löcher in allen Positionen des Verschiebewegs der Riegelplatte möglich.The cover plate is designed with through holes in the form of elongated holes. By means of the through holes designed as elongated holes, it is possible for the contact pins of the electrical connector to engage in these holes in all positions of the displacement path of the locking plate.

Die Deckelplatte der erfindungsgemäßen Steckdosensicherung ist zudem mit Durchgangslöchern in der Form von Langlöcher mit gekrümmter Kontur ausgebildet. Zusätzlich umfasst die vorgesehene Verschiebbarkeit der Riegelplatte Rotationsbewegungen. Mit "Verschiebung" und "verschiebbar" wird erfindungsgemäß auf eine relative Bewegung zwischen Riegelplatte und Deckel- bzw. Bodenplatte abgestellt, welche eine Rotationsbewegung umfasst.The cover plate of the socket outlet fuse according to the invention is also designed with through holes in the form of elongated holes with a curved contour. In addition, the intended displaceability of the locking plate includes rotational movements. According to the invention, “displacement” and “displaceable” refer to a relative movement between the locking plate and the cover or base plate, which includes a rotational movement.

Die Riegelplatte der Steckdosensicherung ist zudem durch mindestens ein Federelement in einer Ruheposition gehalten werden. Die Ruheposition bezeichnet dabei die zur Öffnungsposition entgegengesetzte Position der Riegelplatte, wobei in der Öffnungsposition die Durchgangskanäle in der Steckdosensicherung für die Kontaktstifte des Steckers freigegeben werden, sodass diese in die Kontaktelemente der Steckdose eingesteckt werden können.The locking plate of the socket outlet fuse is also held in a rest position by at least one spring element. The rest position denotes the position of the locking plate opposite to the open position, whereby in the open position the through channels in the socket fuse are released for the contact pins of the plug so that they can be plugged into the contact elements of the socket.

Ferner umfasst die zur Freigabe von elektrischen Kontaktelementen der Steckdose mittels einer Rotationsbewegung ausgelegten Riegelplatte der erfindungsgemäßen Steckdosensicherung Gehäuseteile und ein zwischen den Gehäuseteilen gefasstes Federelement.Furthermore, the locking plate of the socket safety device according to the invention, which is designed to release electrical contact elements of the socket by means of a rotational movement, comprises housing parts and a spring element held between the housing parts.

In einer vorteilhaften Weiterbildung kann die Riegelplatte zur Freigabe von elektrischen Kontaktelementen der Steckdose mittels einer Rotationsbewegung ausgelegt sein. Insbesondere ist es bevorzugt, dass die Riegelplatte bei minimaler Rotation eine Ruheposition und bei maximaler Rotation eine Öffnungsposition einnehmen kann.In an advantageous development, the locking plate can be designed to release electrical contact elements of the socket by means of a rotational movement. In particular, it is preferred that the locking plate can assume a rest position with minimal rotation and an open position with maximum rotation.

In einer besonders bevorzugten Ausführungsform können bei einer Rotation der Riegelplatte federnde Seitenarme des Federelements zu Erzeugung einer Rückstellkraft gespannt werden. Mittels dieser bei einer Verdrehung der Riegelplatte erzeugten Rückstellkraft wird die Rückstellung der Riegelplatte in die Ruheposition bewirkt. Insbesondere kann das Federelement mittels einer Nut in einem an der Innenseite der Deckelplatte angeformten Haltekopf rotatorisch fixiert werden. Dabei sind das Federelement und die korrespondierende Nut vorteilhaft derart konstruiert und ausgelegt, dass bei einer Vorspannung der Feder das Federelement fest in der Nut verbleibt und nicht herausspringt. Auf diese Weise kann kein Kurzschluss erzeugt werden.In a particularly preferred embodiment, when the locking plate rotates, resilient side arms of the spring element can be tensioned to generate a restoring force. By means of this restoring force generated when the locking plate is rotated, the locking plate is returned to the rest position. In particular, the spring element can be rotationally fixed by means of a groove in a holding head formed on the inside of the cover plate. The spring element and the corresponding groove are advantageously constructed and designed in such a way that when the spring is pretensioned, the spring element remains firmly in the groove and does not jump out. In this way a short circuit cannot be created.

In einer weiteren Implementierung der erfindungsgemäßen Steckdosensicherung mit einer zur Freigabe von elektrischen Kontaktelementen der Steckdose mittels einer Rotationsbewegung ausgelegten Riegelplatte kann die Führungsöffnung als sich entlang des äußeren Randes der Gehäuseteile jeweils in der Art eines Kreissegments erstreckende Aussparung ausgeführt sein. Insbesondere vorteilhaft kann die Riegelplatte um ihre Zentralachse drehbar sein. Damit wird der von den Führungsöffnungen gebildete Führungskanal in seinem für den Durchschnitt des Führungsstifts der Steckdose erforderlichen Querschnitt bei der Verdrehung der Riegelplatte um ihre Zentralachse in jeder Position der Riegelplatte offengehalten.In a further implementation of the socket protection according to the invention with a locking plate designed to release electrical contact elements of the socket by means of a rotational movement, the guide opening can be designed as a recess extending along the outer edge of the housing parts in the manner of a segment of a circle. The locking plate can particularly advantageously be rotatable about its central axis. Thus, the guide channel formed by the guide openings is kept open in its cross section required for the cross section of the guide pin of the socket when the locking plate is rotated about its central axis in every position of the locking plate.

Die Riegelplatte wird mittels der Federelemente im unbelasteten Zustand in der Ruheposition gehalten, ein Öffnen der Steckdosensicherung erfolgt dementsprechend entgegen der durch die Federelemente aufgebrachten Federkraft.In the unloaded state, the locking plate is held in the rest position by means of the spring elements, and the socket outlet safety device is accordingly opened against the spring force applied by the spring elements.

Die der vorliegenden Erfindung zugrunde liegende Neuerung geht von der Überlegung aus, dass eine besonders erleichterte Montage insbesondere für eine Steckdosensicherung bereitgestellt werden kann, die für eine Anbringung an einer mit einem Führungsstift versehenen Steckdose vorgesehen ist. Dieser kann gezielt zur Erleichterung der Montage genutzt werden, indem die Komponenten der Steckdosensicherung jeweils mit einer an einen solchen Führungsstift angepassten Führungsöffnung versehen werden. In diesem Fall kann durch Einbringen des Führungsstifts in die Führungsöffnungen bei der Montage eine geeignete Vorpositionierung der Steckdosensicherung auf besonders einfache Weise gewährleistet werden. Um in diesem Fall eine problemlose Entriegelung der Riegelplatte beim Einstecken des Steckers zu gewährleisten, sollte die Führungsöffnung der Riegelplatte geeignet ausgestaltet und konturiert sein, um das Verschieben der Riegelplatte zwischen Öffnungs- und Ruheposition auch bei eingebrachtem Führungsstift ungehindert zu ermöglichen.The innovation on which the present invention is based is based on the consideration that particularly simplified assembly can be provided, in particular for a socket outlet fuse, which is provided for attachment to a socket outlet provided with a guide pin. This can be used specifically to facilitate assembly, in that the components of the socket outlet fuse are each provided with a guide opening adapted to such a guide pin. In this case, by introducing the guide pin into the guide openings during assembly, suitable prepositioning of the socket outlet fuse can be ensured in a particularly simple manner. In order to ensure problem-free unlocking of the locking plate when the plug is inserted, the guide opening of the locking plate should be suitably designed and contoured to allow the locking plate to be moved between the open and rest position without hindrance even when the guide pin is inserted.

Kurze Beschreibung der FigurenBrief description of the figures

Ausführungsbeispiele der Erfindung werden anhand einer Zeichnung näher erläutert. Darin zeigen:

Fig. 1
eine erste Ausführungsform einer in einer Steckdose montierten Steckdosensicherung in Gesamtansicht,
Fig. 2
die Steckdosensicherung nach Fig. 1 in Explosionsdarstellung in vorderer Ansicht,
Fig. 3
die Steckdosensicherung nach Fig. 1 vergrößert in Explosionsdarstellung in rückwärtiger Ansicht,
Fig. 4
die Steckdosensicherung nach Fig. 1 in montiertem Zustand in einer Ruheposition in Draufsicht, und
Fig. 5
die Steckdosensicherung nach Fig. 1 in montiertem Zustand in einer Öffnungsposition in Draufsicht.
Embodiments of the invention are explained in more detail with reference to a drawing. Show in it:
Fig. 1
a first embodiment of a socket fuse mounted in a socket in an overall view,
Fig. 2
the socket fuse Fig. 1 in exploded view in front view,
Fig. 3
the socket fuse Fig. 1 enlarged in exploded view in rear view,
Fig. 4
the socket fuse Fig. 1 in the assembled state in a rest position in plan view, and
Fig. 5
the socket fuse Fig. 1 in the assembled state in an open position in plan view.

Detaillierte Beschreibung der ErfindungDetailed description of the invention

Gleiche Teile sind in allen Figuren mit denselben Bezugszeichen versehen.The same parts are provided with the same reference symbols in all figures.

Die Steckdosensicherung 1 gem. Fig. 1, Fig. 2 dient zur Absicherung einer Steckdose 2 für den Fall, dass der Stecker 4 nicht eingesteckt ist. Sie ist insbesondere dafür vorgesehen, Kleinkinder daran zu hindern, mit einem Gegenstand an einer Steckdose 2 zu spielen, versehentlich einen Kontakt zu einem Kontaktelement 6 der Steckdose herzustellen und dadurch Schaden zu erleiden. Die Steckdosensicherung 1 umfasst, wie insbesondere den Explosionsdarstellungen in Fig. 2, 3 entnehmbar ist, als wesentliche Bestandteile eine Deckelplatte 12, eine Bodenplatte 14 und eine im montierten Zustand zwischen diesen drehbar angeordnete Riegelplatte 16. Die Deckelplatte 12 und die Bodenplatte 14 sind in ihren Außenabmessungen derart bemessen, dass sie in die von der Steckdose 2 gebildete Mulde 18 einbringbar sind. Die Bodenplatte 14 ist durch ein zugeordnetes Befestigungsmittel 20, im Ausführungsbeispiel ein haltbares doppelseitiges Klebeband, in der von der Steckdose 2 gebildeten Mulde 18 befestigbar.The socket fuse 1 according to. Fig. 1, Fig. 2 serves to secure a socket 2 in the event that the plug 4 is not plugged in. It is provided in particular to prevent small children from playing with an object on a socket 2, accidentally making contact with a contact element 6 of the socket and thereby suffering damage. The socket fuse 1 comprises, as in particular the exploded views in Fig. 2 , 3 can be removed, as essential components a cover plate 12, a base plate 14 and a locking plate 16 rotatably arranged between these in the assembled state can be brought in. The base plate 14 can be fastened by an associated fastening means 20, in the exemplary embodiment a durable double-sided adhesive tape, in the trough 18 formed by the socket outlet 2.

Die Deckelplatte 12, die Bodenplatte 14 und die Riegelplatte 16 sind jeweils mit zwei Durchgangslöchern 22 für die Kontaktstifte 24 des elektrischen Steckers 4 versehen. Die Riegelplatte 16 ist im Ausführungsbeispiel gemäß den Figuren 1 bis 5 für eine Freigabe der elektrischen Kontaktelemente 6 der Steckdose 2 mittels einer Drehbewegung der Riegelplatte 16 ausgelegt. In den von diesen Bauteilen ermöglichten Endpositionen der Drehbewegung der Riegelplatte 16 kann diese einerseits bei minimaler Verdrehung eine Ruheposition und andererseits bei maximaler Verdrehung eine Öffnungsposition einnehmen. In der Ruheposition sind die Durchgangslöcher 22 der Riegelplatte 16 verdreht zu den Durchgangslöchern 22 der Bodenplatte 14 positioniert, und die Trennfläche 26 der Riegelplatte 16 verschließt die Durchgangslöcher 22 in der Bodenplatte 14. In dieser Position ist somit kein Zugang zu den unterhalb der Durchgangslöcher 22 der Bodenplatte 14 positionierten Kontaktelementen 6 der Steckdose 2 möglich.The cover plate 12, the base plate 14 and the locking plate 16 are each provided with two through holes 22 for the contact pins 24 of the electrical connector 4. The locking plate 16 is in the embodiment according to Figures 1 to 5 designed for releasing the electrical contact elements 6 of the socket 2 by means of a rotary movement of the locking plate 16. In the end positions of the rotational movement of the locking plate 16 made possible by these components, the locking plate 16 can assume a rest position with minimal rotation and an open position with maximum rotation. In the rest position, the through holes 22 of the locking plate 16 are positioned rotated relative to the through holes 22 of the base plate 14, and the separating surface 26 of the locking plate 16 closes the through holes 22 in the base plate 14. In this position, access to the contact elements 6 of the socket 2 positioned below the through holes 22 of the base plate 14 is therefore not possible.

Bei geeigneter Verdrehung in die Öffnungsposition kommen die Durchgangslöcher 22 der Riegelplatte 16 hingegen direkt oberhalb der Durchgangslöcher 22 der Bodenplatte 14 zu liegen, so dass die Durchgangslöcher 22 von Riegelplatte 16 und Bodenplatte 14 einen Durchgangskanal für die Kontaktstifte 24 des elektrischen Steckers 4 bilden und diesen freigeben. Um dies, also die gezielte Verdrehung der Riegelplatte 16 in die Öffnungsposition, zu ermöglichen, sind die Durchgangslöcher 22 in der Deckelplatte 12 als Langlöcher mit gekrümmter Kontur ausgeführt, die ein Eingreifen der Kontaktstifte 24 in die Durchgangslöcher 22 der Riegelplatte 16 in allen Positionen des Verschiebewegs der Riegelplatte 16 erlauben. Zum Verdrehen der Riegelplatte 16 ist dabei vorgesehen, die Kontaktstifte 24 des elektrischen Steckers 4 durch die Durchgangslöcher 22 der Deckelplatte 12 hindurch mit den Durchgangslöchern 22 der Riegelplatte 16 in Eingriff zu bringen. Anschließend kann dann die Riegelplatte 16 mittels des Steckers 4 bis hin zur Öffnungsposition verdreht werden, wo die Durchgangslöcher 22 der Bodenplatte 14 freigegeben werden und der Stecker 4 in die darunter liegenden Kontaktelemente 6 der Steckdose 2 eingesteckt werden kann.With suitable rotation into the open position, however, the through holes 22 of the locking plate 16 come to lie directly above the through holes 22 of the bottom plate 14, so that the through holes 22 of the locking plate 16 and bottom plate 14 form a through channel for the contact pins 24 of the electrical connector 4 and release it . In order to enable this, i.e. the targeted rotation of the locking plate 16 into the open position, the through holes 22 in the cover plate 12 are designed as elongated holes with a curved contour, which enable the contact pins 24 to engage in the through holes 22 of the locking plate 16 in all positions of the displacement path the locking plate 16 allow. In order to rotate the locking plate 16, it is provided that the contact pins 24 of the electrical connector 4 engage with the through holes 22 of the locking plate 16 through the through holes 22 of the cover plate 12. The locking plate 16 can then be rotated by means of the plug 4 up to the open position, where the through holes 22 of the base plate 14 are released and the plug 4 can be plugged into the contact elements 6 of the socket 2 below.

In diesem Ausführungsbeispiel ist die Riegelplatte 16 ihrerseits mehrteilig ausgeführt; sie umfasst zwei Gehäuseteile 30, 32, zwischen denen ein S-förmig ausgeführtes Federelement 34 gefasst ist. Dieses wird mit seinem Mittelbereich bei der Montage der Steckdosensicherung 1 mit einer Nut 36 in einem zentral an der Innenseite der Deckelplatte 12 angeformten Haltekopf 38 in Eingriff gebracht und dadurch rotatorisch fixiert. An den Innenseiten der Gehäuseteile 30,32 angeformte Halteköpfe 39 kommen dabei mit den freien Enden des Federelements 34 in Eingriff, so dass bei einer Rotation der Riegelplatte 16 um den Haltekopf 38 die federnden Seitenarme des Federelements 34 gespannt werden. Damit wird die Rückstellkraft erzeugt, die bei einer Verdrehung der Riegelplatte 16 die Rückstellung auf die Ruheposition bewirkt. Das Federelement 34 und korrespondierend dazu die Nut 36 sind dabei vorteilhafterweise derart konstruiert und ausgelegt, dass auch bei einer Vorspannung der Feder das S-förmig ausgeführte Federelement 34 fest in der Nut 36 bleibt und nicht herausspringt, damit es keinen Kurzschluss erzeugt.In this embodiment, the locking plate 16 is in turn made in several parts; it comprises two housing parts 30, 32, between which an S-shaped spring element 34 is held. This is brought into engagement with its central area during the assembly of the socket outlet fuse 1 with a groove 36 in a retaining head 38 formed centrally on the inside of the cover plate 12 and thereby fixed in a rotational manner. Holding heads 39 formed on the inside of the housing parts 30, 32 come into engagement with the free ends of the spring element 34, so that when the locking plate 16 rotates around the holding head 38, the resilient side arms of the spring element 34 are tensioned. This generates the restoring force which, when the locking plate 16 is rotated, brings it back to the rest position. The spring element 34 and correspondingly the groove 36 are advantageously constructed and designed in such a way that even when the spring is pretensioned, the S-shaped spring element 34 remains firmly in the groove 36 and does not pop out so that it does not create a short circuit.

Die Steckdosensicherung 1 ist für eine erleichterte Montage in der Steckdose 2 unter Nutzung des an der Steckdose 2 vorgesehenen Führungsstifts 43 ausgelegt. Dazu sind die Deckelplatte 12 mit einer Führungsöffnung 40 und die Bodenplatte 14 zusätzlich zum Befestigungsmittel 20 mit einer Führungsöffnung 42 versehen. Die Führungsöffnungen 40, 42 bilden im montierten Zustand von Deckelplatte 12 und Bodenplatte 14 einen durchgängigen, zur Aufnahme des an der Steckdose 2 angeordneten Führungsstifts 43 geeigneten Führungskanal 44. Um bei eingebrachtem Führungsstift 43 eine problemlose Entriegelung der Riegelplatte 16 beim Einstecken des Steckers 4 zu gewährleisten, ist die Riegelplatte 16, vorliegend also die diese bildenden Gehäuseteile 30, 32, mit einer hierfür geeignet ausgestalteten Führungsöffnung versehen. Im Hinblick auf die vorgesehene Entriegelung durch Verdrehung ist diese als sich entlang des äußeren Randes der Gehäuseteile 30, 32 jeweils in der Art eines Kreissegments erstreckende Aussparung 48 ausgeführt, so dass bei der Verdrehung der Riegelplatte 16 um ihre Zentralachse in jeder Position der Riegelplatte 16 zwischen Ruhe- und Öffnungsposition den von den Führungsöffnungen 40, 42 gebildeten Führungskanal 44 in seinem für den Durchtritt des Führungsstifts 43 der Steckdose 2 erforderlichen Querschnitt offenhält.The socket fuse 1 is designed for easier installation in the socket 2 using the guide pin 43 provided on the socket 2. For this purpose, the cover plate 12 is provided with a guide opening 40 and the base plate 14 is provided with a guide opening 42 in addition to the fastening means 20. When the cover plate 12 and base plate 14 are in the assembled state, the guide openings 40, 42 form a continuous guide channel 44 suitable for receiving the guide pin 43 arranged on the socket outlet 2 , the locking plate 16, in the present case the housing parts 30, 32 forming it, is provided with a guide opening designed for this purpose. With regard to the intended unlocking by rotation, this is designed as a recess 48 extending along the outer edge of the housing parts 30, 32 in the manner of a segment of a circle, so that when the locking plate 16 is rotated about its central axis in every position of the locking plate 16 between Rest and opening position holds the guide channel 44 formed by the guide openings 40, 42 open in its cross section required for the guide pin 43 of the socket 2 to pass through.

Die Steckdosensicherung 1 ist in Fig. 4 in Draufsicht in Ruheposition der Riegelplatte 16 gezeigt. In dieser Position ist das in der Nut 36 rotatorisch fixierte Federelement 34 entspannt, und die Durchgangslöcher 22 der Riegelplatte 16 befinden sich rotatorisch versetzt oder verdreht zu den Durchgangslöchern 22 der Bodenplatte 14. Im Gegensatz dazu zeigt Fig. 5 die Steckdosensicherung 1 in Draufsicht in Öffnungsposition der Riegelplatte 16. Dabei ist deutlich erkennbar, dass in dieser Position die Durchgangslöcher 22 der Riegelplatte 16 nunmehr direkt oberhalb der Durchgangslöcher 22 der Bodenplatte 14 liegen, so dass der Stecker 4 in die darunter liegenden Kontaktelemente 6 der Steckdose 2 eingesteckt werden kann. In beiden Positionen, also in der in Fig. 4 gezeigten Ruheposition und auch in der in Fig. 5 gezeigten Öffnungsposition der Riegelplatte 16, bilden die Führungsöffnungen 40, 42, 46 einen durchgängig offenen, zur Aufnahme des an der Steckdose 2 angeordneten Führungsstifts 43 geeigneten Führungskanal 44.The socket fuse 1 is in Fig. 4 Shown in plan view in the rest position of the locking plate 16. In this position, the spring element 34 rotationally fixed in the groove 36 is relaxed, and the through holes 22 of the locking plate 16 are rotationally offset or rotated with respect to the through holes 22 of the base plate 14. In contrast, FIG Fig. 5 The socket safety device 1 in plan view in the open position of the locking plate 16. It can be clearly seen that in this position the through holes 22 of the locking plate 16 are now directly above the through holes 22 of the base plate 14, so that the plug 4 into the contact elements 6 of the socket below 2 can be plugged in. In both positions, i.e. in the in Fig. 4 rest position shown and also in the in Fig. 5 The opening position of the locking plate 16 shown in the figure, the guide openings 40, 42, 46 form a continuously open guide channel 44 suitable for receiving the guide pin 43 arranged on the socket outlet 2.

Im vorstehend beschriebenen Ausführungsbeispiel ist die Riegelplatte 16 für eine Verschiebung der Riegelplatte 16 durch Drehung oder Verdrehung ausgeführt. Mit "Verschiebung" und "verschiebbar" ist somit in diesem Sinne allgemein auf eine Relativbewegung zwischen Riegelplatte 16 und Deckel- bzw. Bodenplatte 12,14 abgestellt, die eine Rotationsbewegung ausdrücklich einschließt.In the embodiment described above, the locking plate 16 is designed for a displacement of the locking plate 16 by rotation or twisting. With “displacement” and “displaceable” in this sense is generally based on a relative movement between the locking plate 16 and the cover or base plate 12, 14, which expressly includes a rotational movement.

BezugszeichenlisteList of reference symbols

11
SteckdosensicherungSocket fuse
22
Steckdosepower outlet
44th
Steckerplug
66th
KontaktelementContact element
1212th
DeckelplatteCover plate
1414th
BodenplatteBase plate
1616
RiegelplatteLatch plate
1818th
Muldetrough
2020th
BefestigungselementFastener
2222nd
DurchgangslochThrough hole
2424
KontaktstiftContact pin
2626th
TrennflächeParting surface
30,3230.32
GehäuseteilHousing part
3434
FederelementSpring element
3636
NutGroove
38,3938.39
HaltekopfHolding head
40,4240.42
FührungsöffnungGuide opening
4343
FührungsstiftGuide pin
4444
FührungskanalGuide channel
4646
FührungsöffnungGuide opening

Claims (7)

  1. A socket protector (1) with a locking plate (16) displaceably arranged between a cover plate and base plate (12, 14), wherein the cover and base plates (12, 14) are dimensioned in their external dimensions in such a manner that they can be inserted into the cavity (18) formed by a socket (2), in which the base plate (14) can be fastened by an associated fastening means (20) in the cavity (18) formed by the socket (2), in which the cover plate (12) is provided with a guide opening (40) and the base plate (14) is provided with a guide opening (42) in addition to the fastening means (20), wherein in the assembled state of the cover and base plates (12, 14), the guide openings (40, 42) form a continuous guide channel (44) suitable for receiving a guide pin (43) arranged on the socket (2), and wherein the locking plate (16) is provided with a guide opening (46) extending along a intended displacement direction in such a manner that in any position of the locking plate (16) between the cover plate and base plate (12, 14) made possible by the provided displaceability, the guide opening (46) of the locking plate (16) keeps open the guide channel (44) formed by the guide openings (40, 42) thereof in its cross-section required for the passage of the guide pin (43) of the socket (2), characterized in that the cover plate (12) is formed with through-holes (22) in the form of elongated holes with a curved contour, wherein the provided displaceability of the locking plate (16) comprises rotational movements, wherein the locking plate (16) is held in a rest position by at least one spring element (34), and wherein the locking plate (16) comprises housing parts (30, 32) and a spring element (34) enclosed between the housing parts (30, 32).
  2. The socket protector (1) according to any one of the preceding claims, wherein the locking plate (16) is designed to release electrical contact elements (6) of the socket (2) by means of a rotational movement.
  3. The socket protector (1) according to claim 2, wherein the locking plate (16) assumes a rest position upon minimum rotation and an open position upon maximum rotation.
  4. The socket protector (1) according to any one of the preceding claims, wherein upon rotation of the locking plate (16), resilient side arms of the spring element (34) are tensioned to generate a restoring force.
  5. The socket protector (1) according to any one of claims 2 to 4, wherein the spring element (34) is rotationally fixed by means of a groove (36) in a retaining head (38) formed on the inside of the cover plate (12).
  6. The socket protector (1) according to any one of claims 2 to 5, wherein the guide opening (46) is designed as a recess (48) extending along the outer edge of the housing parts (30, 32) in each case in the manner of a segment of a circle.
  7. The socket protector (1) according to any one of claims 2 to 6, wherein the locking plate (16) is rotatable about its central axis.
EP19171720.6A 2018-05-18 2019-04-30 Socket protector Active EP3570385B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL19171720T PL3570385T3 (en) 2018-05-18 2019-04-30 Socket protector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202018102783.2U DE202018102783U1 (en) 2018-05-18 2018-05-18 electrical outlet covers

Publications (2)

Publication Number Publication Date
EP3570385A1 EP3570385A1 (en) 2019-11-20
EP3570385B1 true EP3570385B1 (en) 2021-08-18

Family

ID=62813317

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19171720.6A Active EP3570385B1 (en) 2018-05-18 2019-04-30 Socket protector

Country Status (5)

Country Link
EP (1) EP3570385B1 (en)
DE (1) DE202018102783U1 (en)
ES (1) ES2899454T3 (en)
PL (1) PL3570385T3 (en)
PT (1) PT3570385T (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3868598A1 (en) * 2020-02-18 2021-08-25 Mkem, Spol s.r.o. Socket, in particular charging socket for electric vehicles

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2579027B1 (en) * 1985-03-14 1989-12-29 Coataudon Jacques De SAFETY ADAPTER FOR ELECTRICAL SOCKET
DE3700231A1 (en) 1987-01-07 1988-07-21 Reinhard Napierski Child protection device for plug sockets
FR2619966A1 (en) * 1987-08-26 1989-03-03 Garrigou Joel Safety device for an electrical power socket
DE4336931C2 (en) * 1993-10-29 1995-11-23 Inter Baer Gmbh & Co Kg Child protection can be retrofitted into an electrical socket
FR2740270B1 (en) * 1995-10-24 1997-12-12 Professional General Elect CONNECTION DEVICE OF THE TYPE COMPRISING A MALE PLUG FOR INSERTION INTO A FEMALE PLUG AND INTERMEDIATE PART FOR THIS CONNECTION DEVICE
DE102012000617A1 (en) 2012-01-14 2013-07-18 Jörg Hofmann Socket protecting device for protecting child and infant from live contacts with socket, has central bore mechanically fastened to socket by screw, where device is fastened to socket by aging-resistant double-sided tape

Also Published As

Publication number Publication date
ES2899454T3 (en) 2022-03-11
PL3570385T3 (en) 2022-01-31
EP3570385A1 (en) 2019-11-20
DE202018102783U1 (en) 2018-06-14
PT3570385T (en) 2021-11-16

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