EP3916927A1 - Protective contact socket - Google Patents
Protective contact socket Download PDFInfo
- Publication number
- EP3916927A1 EP3916927A1 EP21305584.1A EP21305584A EP3916927A1 EP 3916927 A1 EP3916927 A1 EP 3916927A1 EP 21305584 A EP21305584 A EP 21305584A EP 3916927 A1 EP3916927 A1 EP 3916927A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- locking element
- cover
- contact socket
- socket according
- socket
- 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
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- 230000001681 protective effect Effects 0.000 title claims description 27
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 description 12
- 238000003780 insertion Methods 0.000 description 12
- 230000002093 peripheral effect Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
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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
- H01R13/4538—Covers sliding or withdrawing in the direction of engagement
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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
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/512—Bases; Cases composed of different pieces assembled by screw or screws
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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
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/76—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall
- H01R24/78—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall with additional earth or shield contacts
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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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5213—Covers
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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
- H01R2103/00—Two poles
Definitions
- the present invention relates to a protective contact socket (according to IEC60884), comprising a base with two spaced sockets, between which a central screw receptacle is arranged in the middle, as well as a socket pot with two guide grooves for a protective contact plug, the two guide grooves each being formed by two parallel spaced projections .
- Such protective contact sockets are generally known, the projections usually formed on the socket pot, which form the guide grooves for the protective contact plug, are spaced with their respective end faces by about 3 mm from the leading edge of the socket pot.
- a cover which can be pushed into the socket pot by a protective contact plug against the force of a spring element and a locking element attached to the cover is provided which locks the cover in a position pushed into the socket pot.
- the cover can be fixed or locked in the inserted position with the help of the locking element when installing the protective contact socket, so that the fitter does not have to hold the cover against the force of the spring element when screwing a screw into the central screw receptacle.
- the locking element can be a spring-loaded slide which is moved into a locking position with the aid of an actuating element and which automatically returns to its starting position after the actuating element has been removed.
- At least one undercut for the locking element can be provided on the socket pot, so that this is held in its locking position in the undercut and thereby holds the cover in the pushed-in position.
- the cover can have an opening.
- Such an opening enables a screwdriver to be pushed through the cover so that a fastening screw can be turned for mounting the socket pot.
- the opening can be selected, for example, so that a prescribed assembly tool, for example a Pozidriv screwdriver with a size index PZ1, can only be inserted through the opening with the screwdriver blade tip, so that the screwdriver simultaneously holds the cover down against the force of the spring element when it is screwed in .
- the spring element can have a compression spring which is arranged concentrically to the screw receptacle. In this way, good guidance of the cover inside the socket pot is achieved so that it does not tilt or tilt when it is pushed in.
- the cover can have a central mounting opening for a screwdriver to pass through, the locking element having an actuating ramp in the area of the mounting opening which causes the locking element to move when the screwdriver is pressed onto the actuating ramp.
- the locking element can be shifted and brought into its locking position in a simple manner by pressing the screwdriver onto the actuating ramp of the locking element so that the locking element moves laterally to get into the locking position.
- the bottom of the socket pot can have a ramp which moves the locking element when the cover is pushed in.
- the cover can be locked in the pushed-in position in that the cover is manually pressed towards the bottom of the socket pot.
- the locking element can be displaced somewhat transversely to the insertion direction by means of the ramp provided in order to enable a screwdriver to engage through an opening in the cover. As a result, the locking element can be moved further with the aid of the screwdriver in order to lock the cover.
- the locking element can have an actuation ramp for each contact pin of the protective contact plug, which causes the locking element to move when the protective contact plug is inserted into the protective contact socket. This helps to reduce the insertion forces, since the locking element is brought into its locking position by its contact pins when the connector is inserted, so that it is locked against the force of the spring and no force is exerted on the connector against the direction of insertion. If the actuating ramps of the locking element have sections with different gradients, the movement of the locking element can be controlled so that it does not move when the plug is inserted and is only moved into the locking position when the cover with the locking element is at the bottom of the Socket pot has arrived, so that the counterforce increases when the plug is inserted.
- a protection against contact can be provided, which is formed by the locking element.
- a protection against accidental contact (child safety device) can be moved by inserting a plug, which releases the sockets. After pulling out the plug, however, the locking element can return to its starting position, so that inadvertent insertion of objects into the sockets is prevented.
- the locking element can be slidably received in a housing connected to the cover, wherein the housing can in particular have a receptacle for the spring element. In this way, only one component ensures that the locking element is protected, can be moved and the spring element is guided.
- the four parallel spaced projections which form the lateral guide grooves for the protective contact plug, are usually connected in one piece to the socket pot.
- these projections can, however, be formed by a separate component which is displaceably mounted on the socket pot. In this way, it is possible to move the projections with their front end to the outer peripheral edge of the socket pot, so that when the cover is not inserted inside the socket pot - apart from the openings required for electrical contacts - a closed surface appears.
- two of the parallel spaced projections are formed by a single separate component, not only a few components are required, but the safety socket can also be assembled quickly and easily before assembly.
- Fig. 1 shows an embodiment of a protective contact socket which comprises a base (not visible in the figure) in which two electrically conductive connection contacts with two sockets are inserted, which are arranged in the base at a distance from one another.
- the base is connected in a basically known manner to a support frame 16 made of metal and a grounding contact 18 is inserted into the base.
- a threaded sleeve is used to attach the grounding contact 18 to the base 10, and which attaches the grounding contact 18 to the base via a rivet connection.
- the threaded sleeve thus represents a central screw receptacle which is arranged centrally between the two sockets in the base and which is used for the receptacle a fastening screw is used, with which a socket pot 24 ( Fig. 2 ) is screwed to the base.
- Fig. 2 shows that the socket pot 24 is integrally connected in a manner known per se to the cover 26, which is flush with the upper peripheral edge 28 of the socket pot 24 and almost at right angles.
- the surface of the cover 26 does not have to be flat, but can also be curved or formed in some other way.
- the protective contact socket To attach the protective contact socket described above, it is mounted in the usual way by attaching the support frame 16 to a wall or a mounting opening with the help of screws or claws, whereupon the unit of socket pot 24 and cover 26 is placed on the base.
- the cover 26 is previously inserted into a decorative frame, not shown.
- a fastening screw preassembled in an opening 30 in the bottom of the socket pot 24 is screwed to the central screw receptacle.
- Fig. 1 shows that a cover 40 that can be pushed into the socket pot 24 is provided.
- This cover can be pushed in by a safety plug when plugged in against the force of a spring to the bottom of the socket pot 24, whereby the two contact pins of the plug through two openings 41, 43 ( Fig. 7 ) are inserted through the cover 40.
- the cover 40 is then pushed back by the spring into its starting position, in which the cover 40 is flush with the outer peripheral edge 28 of the socket pot 24 ( Fig. 1 ).
- the outer contour of the lid 40 is designed so that it can be pushed into the socket pot 24 with little play, with two lateral projections 44 and 45 on the outer edge of the lid 40 in guide grooves for the Earthing contact plug slide.
- these guide grooves 46 and 48 are each formed by two parallel spaced apart projections 50a, 50b and 52a, 52b which, together with a transverse web 54, are designed as a one-piece component 55 ( Fig. 8 ). This allows the projections 50a to 52b within the socket pot 24 to be moved in and against the insertion direction, so that the end faces of the projections are flush with the cover 40 when the plug is not inserted and have the prescribed distance of about 3 mm when the plug is inserted.
- Fig. 2 also shows that the socket pot 24 is provided in its bottom with two spaced through openings 54 and 56, which are used to receive and guide two holding and guide arms 58 and 60 ( Fig. 4 ), which are attached to a housing 62 ( Fig. 4 and 5 ) are integrally formed, which is connected to the cover 40.
- the cover 40 has four pins 64a, 64b and 66a, 66b, which protrude from the back of the cover 40 and the next the projections 44 and 45 are attached.
- a receptacle 59 for the spring element is integrally formed between the two holding and guide arms 58 and 60.
- a locking element in the form of a spring-loaded slide 70 is provided on the lid 40, which is slidably received in the housing 62 which is attached to the underside of the lid 40 by clipping.
- the slide 70 can be displaced against the force of two springs 72 and 74, the displacement movement being triggered by various mechanisms. If, for example, the lid 40 is pressed manually (with a finger) onto the bottom of the socket pot 24, the slide 70 with two sliding surfaces 76 and 78 each touches a ramp 80 and 82 ( Fig. 2 ) at the bottom of the Socket pot 24 is formed.
- the slide 70 shifts somewhat transversely to the insertion direction, whereby a central assembly opening 42 is released in the cover 40 so that a screwdriver can be inserted through this to move the slide even further, so that two on the outer sides of the slide provided lugs 84 and 86 are each pushed under an undercut 88, which is provided in the area of the bottom of the socket pot 24 (cf. Fig. 3 ).
- the cover 40 can no longer move against the force of the spring against the insertion direction.
- Another possibility of locking the cover 40 in its pushed-in position is to insert a tool, for example a screwdriver, through the central assembly opening 42 in the middle of the cover 40.
- a tool for example a screwdriver
- the locking element covers the access to the sockets and thus forms a protection against accidental contact.
- a third possibility for moving the locking element 70 is to insert a safety plug so that its contact pins pass through the openings 41 and 43 in the cover 40 and each strike an actuating ramp 92, 94 of the slide 70.
- the locking element 70 can be shifted into its blocking position simply by inserting a safety plug - supported by the run-up ramps 80 and 82 -.
- the locking element 70 initially shifts slightly when it slides on the run-up ramps 80 and 82.
- sections 92b and 94b with a greater slope of the two actuation ramps 92 and 94 are below the front ends of the contact pin of the plug postponed. Pressing in the plug again then moves the locking element so far that the contact pins have passage and at the same time the locking element is pressed into the locking position.
- the two actuation ramps 92 and 94 have mutually merging sections 92a, 92b and 94a, 94b, each of which has a different gradient.
- the sections 92a and 94a are inclined less than the sections 92b and 94b.
- the slide 70 Only when the slide 70 strikes the bottom of the socket pot does the counterforce increase, so that the slide 70 moves transversely to the insertion direction until it finally completely releases the openings 96 and 98 in the housing 62, so that the contact pins of the earthing contact plug in their associated plug-in contacts can be plugged in.
- the locking element or the slide 70 thus forms a protection against contact which only opens when the contact pins of the plug press against the slide 70 and the latter strikes the bottom of the socket pot 24.
- the actuation ramp 90 is only pressed with a screwdriver, the slide 70 also moves transversely to the insertion direction, but only so far that the openings 41 and 43 in the cover 40 are still closed by the slide 70.
- the four parallel spaced projections 50a, 50b and 52a, 52b are formed in this embodiment by two separate components 55, which are arranged displaceably on both sides of the socket pot 24.
- the components 55 each have a transverse web 54 on their underside in order to lock these components when they move against the insertion direction so that their front end faces are flush with the outer peripheral edge 28 of the socket pot 24.
- the Press components 55 by the required distance of about 3 mm in the direction of the bottom of the socket pot 24 in order to produce the desired and required distance.
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- Connector Housings Or Holding Contact Members (AREA)
- Cookers (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
Eine Schutzkontaktsteckdose umfasst einen Sockel sowie Steckdosentopf, in den ein Deckel einschiebbar ist. Zur Fixierung des Deckels ist ein Arretierelement vorgesehen.A socket outlet with earthing contact comprises a base and socket pot into which a cover can be inserted. A locking element is provided to fix the cover.
Description
Die vorliegende Erfindung betrifft eine Schutzkontaktsteckdose (nach IEC60884), umfassend einen Sockel mit zwei beabstandeten Steckbuchsen, zwischen denen mittig eine zentrale Schraubaufnahme angeordnet ist, sowie einen Steckdosentopf mit zwei Führungsnuten für einen Schutzkontaktstecker, wobei die beiden Führungsnuten jeweils durch zwei parallel beabstandete Vorsprünge gebildet sind.The present invention relates to a protective contact socket (according to IEC60884), comprising a base with two spaced sockets, between which a central screw receptacle is arranged in the middle, as well as a socket pot with two guide grooves for a protective contact plug, the two guide grooves each being formed by two parallel spaced projections .
Derartige Schutzkontaktsteckdosen sind allgemein bekannt, wobei die üblicherweise an den Steckdosentopf angeformten Vorsprünge, welche die Führungsnuten für den Schutzkontaktstecker bilden, mit ihren jeweiligen Stirnflächen um etwa 3 mm von der Eintrittskante des Steckdosentopfes beabstandet sind.Such protective contact sockets are generally known, the projections usually formed on the socket pot, which form the guide grooves for the protective contact plug, are spaced with their respective end faces by about 3 mm from the leading edge of the socket pot.
Aus ästhetischen Gründen und zum Schutz der Steckdose gegen Verschmutzung ist es bekannt, einen gegen die Kraft eines Federelementes in den Steckdosentopf einschiebbaren Deckel vorzusehen, der lediglich Öffnungen für die elektrischen Kontakte der Steckdose und des Steckers aufweist, der jedoch ansonsten den Steckdosentopf bündig mit der Eintrittskante des Steckdosentopfes verschließt. Durch Einstecken eines Schutzkontaktsteckers in die Steckdose kann der Deckel in Richtung des Bodens des Steckdosentopfes geschoben werden, wobei die elektrischen Steckkontakte des Schutzkontaktsteckers durch zwei Öffnungen in dem Deckel in die Steckbuchsen des Sockels eingesteckt werden können. Bei einem Herausziehen des Schutzkontaktsteckers aus der Steckdose wird der Deckel dann durch die Kraft des Federelementes zurückgedrückt, bis dieser wieder bündig mit der Eintrittskante des Steckdosentopfes abschließt.For aesthetic reasons and to protect the socket against contamination, it is known to provide a cover which can be pushed into the socket pot against the force of a spring element and which only has openings for the electrical contacts of the socket and the plug, but which otherwise has the socket pot flush with the leading edge of the socket pot closes. By inserting an earthing contact plug into the socket, the cover can be pushed towards the bottom of the socket pot, whereby the electrical plug contacts of the earthing contact plug can be plugged into the sockets of the base through two openings in the cover. When the safety plug is pulled out of the socket, the cover is then pushed back by the force of the spring element until it is flush with the leading edge of the socket pot.
Es ist die Aufgabe der vorliegenden Erfindung, eine Schutzkontaktsteckdose zu schaffen, die günstig herzustellen, kostengünstig zusammenzubauen und einfach zu montieren ist.It is the object of the present invention to create a protective contact socket which is inexpensive to manufacture, inexpensive to assemble and easy to assemble.
Die Lösung dieser Aufgabe erfolgt durch die Merkmale des Anspruchs 1.This problem is solved by the features of claim 1.
Erfindungsgemäß ist ein von einem Schutzkontaktstecker gegen die Kraft eines Federelements in den Steckdosentopf einschiebbarer Deckel und ein an dem Deckel befestigtes Arretierelement vorgesehen, das den Deckel in einer in den Steckdosentopf eingeschobenen Stellung arretiert. Hierdurch wird einerseits erreicht, dass die Steckdose ohne eingesteckten Schutzkontaktstecker durch den Deckel verschlossen wird. Andererseits kann der Deckel bei der Montage der Schutzkontaktsteckdose mit Hilfe des Arretierelementes in der eingeschobenen Stellung fixiert bzw. arretiert werden, so dass der Monteur beim Einschrauben einer Schraube in die zentrale Schraubaufnahme den Deckel nicht gegen die Kraft des Federelements halten muss.According to the invention, a cover which can be pushed into the socket pot by a protective contact plug against the force of a spring element and a locking element attached to the cover is provided which locks the cover in a position pushed into the socket pot. This achieves on the one hand that the socket is closed by the cover without the safety plug inserted. On the other hand, the cover can be fixed or locked in the inserted position with the help of the locking element when installing the protective contact socket, so that the fitter does not have to hold the cover against the force of the spring element when screwing a screw into the central screw receptacle.
Vorteilhafte Ausführungsformen der Erfindung sind in der Beschreibung, der Zeichnung sowie den Unteransprüchen beschrieben.Advantageous embodiments of the invention are described in the description, the drawing and the subclaims.
Nach einer ersten vorteilhaften Ausführungsform kann das Arretierelement ein federbelasteter Schieber sein, der mit Hilfe eines Betätigungsorgans in eine Arretierstellung verschoben wird und der nach Entfernen des Betätigungsorgans wieder selbsttätig in seine Ausgangsstellung zurückkehrt.According to a first advantageous embodiment, the locking element can be a spring-loaded slide which is moved into a locking position with the aid of an actuating element and which automatically returns to its starting position after the actuating element has been removed.
Nach einer weiteren vorteilhaften Ausführungsform kann an dem Steckdosentopf zumindest eine Hinterschneidung für das Arretierelement vorgesehen sein, so dass dieses in seiner Arretierstellung in der Hinterschneidung gehalten ist und dadurch den Deckel in der eingeschobenen Stellung hält.According to a further advantageous embodiment, at least one undercut for the locking element can be provided on the socket pot, so that this is held in its locking position in the undercut and thereby holds the cover in the pushed-in position.
Nach einer weiteren vorteilhaften Ausführungsform kann der Deckel eine Öffnung aufweisen. Eine solche Öffnung ermöglicht das Durchstecken eines Schraubendrehers durch den Deckel, so dass eine Befestigungsschraube zur Montage des Steckdosentopfes gedreht werden kann. Die Öffnung kann hierbei beispielsweise so gewählt werden, dass ein vorgeschriebenes Montagewerkzeug, beispielsweise ein Pozidriv-Schraubendreher mit einem Größenindex PZ1 nur mit der Schraubendreherklingenspitze durch die Öffnung hindurchgesteckt werden kann, so dass der Schraubendreher den Deckel beim Einschrauben gleichzeitig gegen die Kraft des Federelementes niedergedrückt hält.According to a further advantageous embodiment, the cover can have an opening. Such an opening enables a screwdriver to be pushed through the cover so that a fastening screw can be turned for mounting the socket pot. The opening can be selected, for example, so that a prescribed assembly tool, for example a Pozidriv screwdriver with a size index PZ1, can only be inserted through the opening with the screwdriver blade tip, so that the screwdriver simultaneously holds the cover down against the force of the spring element when it is screwed in .
Nach einer weiteren vorteilhaften Ausführungsform kann das Federelement eine Druckfeder aufweisen, die konzentrisch zu der Schraubaufnahme angeordnet ist. Auf diese Weise ist eine gute Führung des Deckels innerhalb des Steckdosentopfes erreicht, so dass dieser beim Einschieben nicht verkantet oder verkippt.According to a further advantageous embodiment, the spring element can have a compression spring which is arranged concentrically to the screw receptacle. In this way, good guidance of the cover inside the socket pot is achieved so that it does not tilt or tilt when it is pushed in.
Nach einer weiteren vorteilhaften Ausführungsform kann der Deckel eine zentrale Montageöffnung für den Durchtritt eines Schraubendrehers aufweisen, wobei das Arretierelement im Bereich der Montageöffnung eine Betätigungsrampe aufweist, die ein Verschieben des Arretierelementes bewirkt, wenn der Schraubendreher auf die Betätigungsrampe gedrückt wird. Bei dieser Ausführungsform kann das Arretierelement auf einfache Weise dadurch verschoben und in seine Arretierstellung gebracht werden, dass der Schraubendreher auf die Betätigungsrampe des Arretierelementes gedrückt wird, so dass sich dieses seitlich verschiebt, um in die Arretierstellung zu gelangen.According to a further advantageous embodiment, the cover can have a central mounting opening for a screwdriver to pass through, the locking element having an actuating ramp in the area of the mounting opening which causes the locking element to move when the screwdriver is pressed onto the actuating ramp. In this embodiment, the locking element can be shifted and brought into its locking position in a simple manner by pressing the screwdriver onto the actuating ramp of the locking element so that the locking element moves laterally to get into the locking position.
Nach einer weiteren vorteilhaften Ausführungsform kann der Boden des Steckdosentopfes eine Auflauframpe aufweisen, die das Arretierelement bei Einschieben des Deckels verschiebt. Bei dieser Ausführungsform kann eine Arretierung des Deckels in der eingeschobenen Stellung dadurch bewirkt werden, dass der Deckel manuell in Richtung des Bodens des Steckdosentopfes gedrückt wird. Durch die vorgesehene Auflauframpe kann wird das Arretierelement quer zur Einsteckrichtung etwas verschoben, um einen Eingriff eines Schraubendrehers durch eine Öffnung in dem Deckel zu ermöglichen. Hierdurch kann das Arretierelement mit Hilfe des Schraubendrehers weiter verschoben werden, um den Deckel zu arretieren.According to a further advantageous embodiment, the bottom of the socket pot can have a ramp which moves the locking element when the cover is pushed in. In this embodiment, the cover can be locked in the pushed-in position in that the cover is manually pressed towards the bottom of the socket pot. The locking element can be displaced somewhat transversely to the insertion direction by means of the ramp provided in order to enable a screwdriver to engage through an opening in the cover. As a result, the locking element can be moved further with the aid of the screwdriver in order to lock the cover.
Nach einer weiteren vorteilhaften Ausführungsform kann das Arretierelement eine Betätigungsrampe für jeden Kontaktstift des Schutzkontaktsteckers aufweisen, die ein Verschieben des Arretierelementes bewirkt, wenn der Schutzkontaktstecker in die Schutzkontaktsteckdose eingesteckt wird. Dies trägt dazu bei, die Einstecckräfte zu reduzieren, da das Arretierelement bei Einstecken des Steckers durch dessen Kontaktstifte in seine Arretierstellung gebracht wird, so dass dieses gegen die Kraft der Feder arretiert wird und keine Kraft entgegen der Einsteckrichtung auf den Stecker ausgeübt wird. Wenn dabei die Betätigungsrampen des Arretierelementes Abschnitte mit unterschiedlich starker Steigung aufweisen, kann die Bewegung des Arretierelementes so gesteuert werden, dass sich dieses bei Einstecken des Steckers zunächst nicht bewegt und erst dann in die Arretierstellung verschoben wird, wenn der Deckel mit dem Arretierelement am Boden des Steckdosentopfes angelangt ist, so dass sich die Gegenkraft bei Einstecken des Steckers erhöht.According to a further advantageous embodiment, the locking element can have an actuation ramp for each contact pin of the protective contact plug, which causes the locking element to move when the protective contact plug is inserted into the protective contact socket. This helps to reduce the insertion forces, since the locking element is brought into its locking position by its contact pins when the connector is inserted, so that it is locked against the force of the spring and no force is exerted on the connector against the direction of insertion. If the actuating ramps of the locking element have sections with different gradients, the movement of the locking element can be controlled so that it does not move when the plug is inserted and is only moved into the locking position when the cover with the locking element is at the bottom of the Socket pot has arrived, so that the counterforce increases when the plug is inserted.
Nach einer weiteren vorteilhaften Ausführungsform kann ein Berührungsschutz vorgesehen sein, der durch das Arretierelement gebildet ist. Ein solcher Berührungsschutz (Kindersicherung) lässt sich durch Einstecken eines Steckers verschieben, wodurch die Steckbuchsen freigegeben werden. Nach Herausziehen des Steckers kann jedoch das Arretierelement in seine Ausgangsstellung zurücckehren, so dass ein ungewolltes Einstecken von Gegenständen in die Steckbuchsen verhindert ist.According to a further advantageous embodiment, a protection against contact can be provided, which is formed by the locking element. Such a protection against accidental contact (child safety device) can be moved by inserting a plug, which releases the sockets. After pulling out the plug, however, the locking element can return to its starting position, so that inadvertent insertion of objects into the sockets is prevented.
Nach einer weiteren vorteilhaften Ausführungsform kann das Arretierelement in einem mit dem Deckel verbundenen Gehäuse verschiebbar aufgenommen sein, wobei das Gehäuse insbesondere eine Aufnahme für das Federelement aufweisen kann. Auf diese Weise ist mit nur einem Bauteil dafür gesorgt, dass das Arretierelement geschützt ist, verschoben werden kann und das Federelement geführt ist.According to a further advantageous embodiment, the locking element can be slidably received in a housing connected to the cover, wherein the housing can in particular have a receptacle for the spring element. In this way, only one component ensures that the locking element is protected, can be moved and the spring element is guided.
Bei herkömmlichen Schutzkontaktsteckdosen sind die vier parallel beabstandeten Vorsprünge, welche die seitlichen Führungsnuten für den Schutzkontaktstecker bilden, üblicherweise einstückig mit dem Steckdosentopf verbunden. Nach einer weiteren vorteilhaften Ausführungsform können diese Vorsprünge jedoch durch ein separates Bauteil gebildet sein, das verschieblich an dem Steckdosentopf gelagert ist. Auf diese Weise ist es möglich, die Vorsprünge mit ihrer vorderen Stirnseite bis an die äußeren Umfangskante des Steckdosentopfes zu verschieben, so dass bei nicht eingeschobenem Deckel innerhalb des Steckdosentopfes - abgesehen von den für elektrische Kontakte erforderlichen Öffnungen - eine geschlossene Oberfläche erscheint. Um den elektrischen Anforderungen zu genügen, muss jedoch bei eingestecktem Stecker ein Abstand von etwa 3 mm zwischen der äußeren Umfangskante des Steckdosentopfes und den vorderen Stirnflächen der parallel beabstandeten Vorsprünge vorhanden sein. Da diese bei der beschriebenen Ausführungsform jedoch verschieblich an dem Steckdosentopf gelagert sind, lässt sich diese Anforderung erfüllen.In conventional protective contact sockets, the four parallel spaced projections, which form the lateral guide grooves for the protective contact plug, are usually connected in one piece to the socket pot. According to a further advantageous embodiment, these projections can, however, be formed by a separate component which is displaceably mounted on the socket pot. In this way, it is possible to move the projections with their front end to the outer peripheral edge of the socket pot, so that when the cover is not inserted inside the socket pot - apart from the openings required for electrical contacts - a closed surface appears. In order to meet the electrical requirements, however, when the plug is inserted, there must be a distance of about 3 mm between the outer peripheral edge of the socket pot and the front end faces of the parallel spaced projections. Since these are, however, mounted displaceably on the socket pot in the embodiment described, this requirement can be met.
Wenn bei der vorstehend beschriebenen Ausführungsform jeweils zwei der parallel beabstandeten Vorsprünge durch ein einziges separates Bauteil gebildet sind, werden nicht nur wenige Bauteile benötigt, sondern ein Zusammenbau der Schutzkontaktsteckdose vor der Montage lässt sich auch schnell und einfach bewerkstelligen.If, in the embodiment described above, two of the parallel spaced projections are formed by a single separate component, not only a few components are required, but the safety socket can also be assembled quickly and easily before assembly.
Nachfolgend wird die vorliegende Erfindung rein beispielhaft anhand verschiedener Ausführungsformen und unter Bezugnahme auf die beigefügten Zeichnungen beschrieben. Es zeigen:
- Fig. 1
- eine perspektivische Ansicht einer Schutzkontaktsteckdose;
- Fig. 2
- eine perspektivische Ansicht der Abdeckung von
Fig. 1 mit abgenommenem Deckel; - Fig. 3
- eine vergrößerte Detaildarstellung des Bauteils von
Fig. 2 ; - Fig. 4
- eine perspektivische Ansicht eines Gehäuses für das Arretierelement;
- Fig. 5
- eine perspektivische Ansicht des Gehäuses von
Fig. 4 mit eingesetztem Arretierelement; - Fig. 6
- eine perspektivische Ansicht des Arretierelementes von
Fig. 5 ; - Fig. 7
- eine perspektivische Ansicht des Deckels; und
- Fig. 8
- eine perspektivische Ansicht eines Bauteils zur Bildung einer Führungsnut.
- Fig. 1
- a perspective view of a protective contact socket;
- Fig. 2
- FIG. 3 is a perspective view of the cover of FIG
Fig. 1 with the cover removed; - Fig. 3
- an enlarged detailed view of the component of
Fig. 2 ; - Fig. 4
- a perspective view of a housing for the locking element;
- Fig. 5
- FIG. 3 is a perspective view of the housing of FIG
Fig. 4 with inserted locking element; - Fig. 6
- a perspective view of the locking element of FIG
Fig. 5 ; - Fig. 7
- a perspective view of the lid; and
- Fig. 8
- a perspective view of a component for forming a guide groove.
Die Gewindehülse stellt somit eine zentrale Schraubaufnahme dar, die mittig zwischen den beiden Steckbuchsen in dem Sockel angeordnet ist und die zur Aufnahme einer Befestigungsschraube dient, mit welcher ein Steckdosentopf 24 (
Zur Befestigung der vorstehend beschriebenen Schutzkontaktsteckdose wird diese auf übliche Weise montiert, indem der Tragrahmen 16 mit Hilfe von Schrauben oder Krallen an einer Wand oder einer Montageöffnung befestigt wird, woraufhin die Einheit aus Steckdosentopf 24 und Abdeckung 26 auf den Sockel aufgesetzt wird. Hierbei wird die Abdeckung 26 zuvor in einen nicht gezeigten Zierrahmen eingesetzt. Anschließend wird eine in einer Öffnung 30 im Boden des Steckdosentopfes 24 vormontierte Befestigungsschraube mit der zentralen Schraubaufnahme verschraubt.To attach the protective contact socket described above, it is mounted in the usual way by attaching the
Die Außenkontur des Deckels 40 ist so gestaltet, dass dieser mit wenig Spiel in den Steckdosentopf 24 eingeschoben werden kann, wobei zwei seitliche Vorsprünge 44 und 45 am Außenrand des Deckels 40 in Führungsnuten für den Schutzkontaktstecker gleiten. Diese Führungsnuten 46 und 48 sind bei dem dargestellten Ausführungsbeispiel durch jeweils zwei parallel beabstandete Vorsprünge 50a, 50b und 52a, 52b gebildet, die zusammen mit einem Quersteg 54 als einstückiges Bauteil 55 ausgebildet sind (
Um den Deckel in seiner im Steckdosentopf 24 eingeschobenen Stellung zu arretieren, ist an dem Deckel 40 ein Arretierelement in Form eines federbelasteten Schiebers 70 vorgesehen, der verschiebbar in dem Gehäuse 62 aufgenommen ist, das an der Unterseite des Deckels 40 durch Einclipsen befestigt ist. Der Schieber 70 kann gegen die Kraft zweier Federn 72 und 74 verschoben werden, wobei die Verschiebebewegung durch verschiedene Mechanismen ausgelöst werden kann. Wenn beispielsweise der Deckel 40 manuell (mit einem Finger) auf den Boden des Steckdosentopfes 24 gedrückt wird, so berührt der Schieber 70 mit zwei Gleitflächen 76 und 78 jeweils eine Auflauframpe 80 und 82 (
Eine weitere Möglichkeit, den Deckel 40 in seiner eingeschobenen Stellung zu arretieren, ist das Einstecken eines Werkzeugs, beispielsweise eines Schraubendrehers, durch die zentrale Montageöffnung 42 in der Mitte des Deckels 40. Hierdurch gelangt die Spitze des Schraubendrehers auf eine an dem Schieber 70 vorgesehene Betätigungsrampe 90 und ein weiterer Druck auf den Schraubendreher verschiebt wiederum das Arretierelement 70 quer zur Einsteckrichtung, so dass die Nasen 84 und 86 hinter die Hinterschneidungen 88 gedrückt werden und gleichzeitig die Öffnung 30 zugänglich ist. Dennoch verdeckt das Arretierelement in dieser Stellung den Zugang zu den Steckbuchsen und bildet dadurch einen Berührungsschutz..Another possibility of locking the
Eine dritte Möglichkeit zur Verschiebung des Arretierelementes 70 ist das Einstecken eines Schutzkontaktsteckers, so dass dessen Kontaktstifte durch die Öffnungen 41 und 43 in dem Deckel 40 gelangen und auf jeweils einer Betätigungsrampe 92, 94 des Schiebers 70 auftreffen. Hierdurch kann alleine durch Einstecken eines Schutzkontaktsteckers - unterstützt durch die Auflauframpen 80 und 82 - das Arretierelement 70 in seine Blockierstellung verschoben werden. Bei Herabdrücken des Deckels über die Kontaktstifte des Steckers verschiebt sich zunächst das Arretierelement 70 etwas, wenn dies auf den Auflauframpen 80 und 82 gleitet. Hierdurch werden Abschnitte 92b und 94b mit größerer Steigung der beiden Betätigungsrampen 92 und 94 unter die vorderen Enden der Kontaktstift des Steckers verschoben. Ein weiteres Eindrücken des Steckers verschiebt das Arretierelement dann so weit, dass die Kontaktstifte Durchlass erhalten und gleichzeitig das Arretierelement in die Arretierstellung gedrückt wird.A third possibility for moving the locking
Wie
Die vier parallel beabstandeten Vorsprünge 50a, 50b und 52a, 52b sind bei dieser Ausführungsform durch zwei separate Bauteile 55 gebildet, die auf beiden Seiten des Steckdosentopfes 24 verschiebbar angeordnet sind. Die Bauteile 55 weisen an ihrer Unterseite jeweils einen Quersteg 54 auf, um diese Bauteile bei einer Bewegung entgegen der Einsteckrichtung so zu arretieren, dass diese mit ihren vorderen Stirnflächen bündig mit der äußeren Umfangskante 28 des Steckdosentopfes 24 abschließen. Bei einem Einstecken eines Steckers lassen sich jedoch die Bauteile 55 um den erforderlichen Abstand von etwa 3 mm in Richtung des Bodens des Steckdosentopfes 24 drücken, um den gewünschten und erforderlichen Abstand herzustellen.The four parallel spaced
Claims (13)
einen Sockel mit zwei beabstandeten Steckbuchsen, zwischen denen mittig eine zentrale Schraubaufnahme angeordnet ist, sowie einen Steckdosentopf (24) mit zwei Führungsnuten (46, 48) für einen Schutzkontaktstecker, die jeweils durch zwei parallel beabstandete Vorsprünge (50a, 50b; 52a, 52b) gebildet sind, wobei
ein von einem Schutzkontaktstecker gegen die Kraft eines Federelementes in den Steckdosentopf (24) einschiebbarer Deckel (40) und ein an dem Deckel (40) befestigtes Arretierelement vorgesehen ist, das den Deckel (40) in einer in den Steckdosentopf (24) eingeschobenen Stellung arretiert.Earthing contact socket, comprising
a base with two spaced sockets, between which a central screw receptacle is arranged in the middle, as well as a socket pot (24) with two guide grooves (46, 48) for a protective contact plug, which are each supported by two parallel spaced projections (50a, 50b; 52a, 52b) are formed, where
a cover (40) which can be pushed into the socket pot (24) against the force of a spring element and a locking element fastened to the cover (40) is provided, which locks the cover (40) in a position pushed into the socket pot (24) .
wobei das Arretierelement ein federbelasteter Schieber (70) ist.Earthing contact socket according to claim 1,
wherein the locking element is a spring-loaded slide (70).
wobei an dem Steckdosentopf (24) zumindest eine Hinterschneidung für das Arretierelement (70) vorgesehen ist.Earthing contact socket according to claim 1 or 2,
wherein at least one undercut for the locking element (70) is provided on the socket pot (24).
wobei das Federelement eine Druckfeder ist, die konzentrisch zu der zentralen Schraubaufnahme angeordnet ist.Protective contact socket according to one of the preceding claims,
wherein the spring element is a compression spring which is arranged concentrically to the central screw receptacle.
wobei der Deckel (40) eine zentrale Montageöffnung (42) für den Durchtritt eines Schraubendrehers aufweist und das Arretierelement (70) im Bereich der Montageöffnung (42) eine Betätigungsrampe (90) aufweist, die ein Verschieben des Arretierelementes (70) bewirkt, wenn der Schraubendreher auf die Betätigungsrampe gedrückt wird.Protective contact socket according to one of the preceding claims,
wherein the cover (40) has a central assembly opening (42) for the passage of a screwdriver and the locking element (70) in the area the mounting opening (42) has an actuating ramp (90) which causes the locking element (70) to be displaced when the screwdriver is pressed onto the actuating ramp.
der Boden des Steckdosentopfes (24) eine Auflauframpe (80, 82) aufweist, die das Arretierelement (70) bei Einschieben des Deckels (40) verschiebt.Protective contact socket according to one of the preceding claims,
the bottom of the socket pot (24) has a ramp (80, 82) which moves the locking element (70) when the cover (40) is pushed in.
wobei das Arretierelement (70) eine Betätigungsrampe (92, 94) für jeden Kontaktstift des Schutzkontaktsteckers aufweist, die ein Verschieben des Arretierelementes (70) bewirkt, wenn der Schutzkontaktstecker in die Schutzkontaktsteckdose eingesteckt wird.Protective contact socket according to one of the preceding claims,
wherein the locking element (70) has an actuation ramp (92, 94) for each contact pin of the protective contact plug, which causes a displacement of the locking element (70) when the protective contact plug is plugged into the protective contact socket.
wobei die Betätigungsrampen (92, 94) Abschnitte (92a, 92b; 94a, 94b) mit unterschiedlich starker Steigung aufweisen.Earthing contact socket according to claim 7,
wherein the actuation ramps (92, 94) have sections (92a, 92b; 94a, 94b) with different gradients.
wobei die Steckbuchsen einen Berührungsschutz aufweisen, der durch das Arretierelement (70) gebildet ist.Protective contact socket according to one of the preceding claims,
wherein the sockets have a touch guard which is formed by the locking element (70).
wobei das Arretierelement (70) in einer Arretierstellung die Schraubaufnahme freigibt, jedoch die Steckbuchsen verdeckt.Protective contact socket according to one of the preceding claims,
wherein the locking element (70) in a locking position releases the screw receptacle, but covers the sockets.
wobei das Arretierelement (70) in einem mit dem Deckel (40) verbundenen Gehäuse (62) verschiebbar aufgenommen ist, das insbesondere eine Aufnahme (59) für das Federelement aufweist.Protective contact socket according to one of the preceding claims,
wherein the locking element (70) is slidably received in a housing (62) connected to the cover (40) and having in particular a receptacle (59) for the spring element.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020114554.3A DE102020114554A1 (en) | 2020-05-29 | 2020-05-29 | Earthing contact socket |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3916927A1 true EP3916927A1 (en) | 2021-12-01 |
EP3916927B1 EP3916927B1 (en) | 2023-07-05 |
Family
ID=75904861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21305584.1A Active EP3916927B1 (en) | 2020-05-29 | 2021-05-05 | Protective contact socket |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP3916927B1 (en) |
DE (1) | DE102020114554A1 (en) |
ES (1) | ES2959082T3 (en) |
FI (1) | FI3916927T3 (en) |
HU (1) | HUE062889T2 (en) |
PL (1) | PL3916927T3 (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2701188A1 (en) * | 1977-01-13 | 1978-07-20 | Artur Sauer | Two pin socket outlet with recess for plug - has spring mounted guide plate to facilitate plug insertion |
DE3731588A1 (en) * | 1987-09-19 | 1989-04-06 | Asea Brown Boveri | Plug socket having a covering device |
DE10206025C1 (en) * | 2002-02-14 | 2003-06-18 | Abb Patent Gmbh | Direct-contact protection for socket outlet module has slider for covering openings, with spacing between U-shaped rail greater than thickness of guide runners |
WO2005025012A1 (en) * | 2003-09-04 | 2005-03-17 | Alpha Shantilal Pabari | Electrical socket |
EP2456024A1 (en) * | 2010-11-18 | 2012-05-23 | Legrand France | Electric socket comprising a shutter |
DE202018104959U1 (en) * | 2018-08-30 | 2018-09-24 | Albrecht Jung Gmbh & Co. Kg | Electrical outlet |
WO2019091985A1 (en) * | 2017-11-07 | 2019-05-16 | H.B.F. | Push-on socket |
-
2020
- 2020-05-29 DE DE102020114554.3A patent/DE102020114554A1/en active Pending
-
2021
- 2021-05-05 PL PL21305584.1T patent/PL3916927T3/en unknown
- 2021-05-05 ES ES21305584T patent/ES2959082T3/en active Active
- 2021-05-05 HU HUE21305584A patent/HUE062889T2/en unknown
- 2021-05-05 FI FIEP21305584.1T patent/FI3916927T3/en active
- 2021-05-05 EP EP21305584.1A patent/EP3916927B1/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2701188A1 (en) * | 1977-01-13 | 1978-07-20 | Artur Sauer | Two pin socket outlet with recess for plug - has spring mounted guide plate to facilitate plug insertion |
DE3731588A1 (en) * | 1987-09-19 | 1989-04-06 | Asea Brown Boveri | Plug socket having a covering device |
DE10206025C1 (en) * | 2002-02-14 | 2003-06-18 | Abb Patent Gmbh | Direct-contact protection for socket outlet module has slider for covering openings, with spacing between U-shaped rail greater than thickness of guide runners |
WO2005025012A1 (en) * | 2003-09-04 | 2005-03-17 | Alpha Shantilal Pabari | Electrical socket |
EP2456024A1 (en) * | 2010-11-18 | 2012-05-23 | Legrand France | Electric socket comprising a shutter |
WO2019091985A1 (en) * | 2017-11-07 | 2019-05-16 | H.B.F. | Push-on socket |
DE202018104959U1 (en) * | 2018-08-30 | 2018-09-24 | Albrecht Jung Gmbh & Co. Kg | Electrical outlet |
Also Published As
Publication number | Publication date |
---|---|
ES2959082T3 (en) | 2024-02-20 |
FI3916927T3 (en) | 2023-09-01 |
EP3916927B1 (en) | 2023-07-05 |
PL3916927T3 (en) | 2023-12-11 |
DE102020114554A1 (en) | 2021-12-02 |
HUE062889T2 (en) | 2023-12-28 |
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