EP0623975B1 - Ausziehgerät für einen elektrischen Stecker - Google Patents

Ausziehgerät für einen elektrischen Stecker Download PDF

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Publication number
EP0623975B1
EP0623975B1 EP94111084A EP94111084A EP0623975B1 EP 0623975 B1 EP0623975 B1 EP 0623975B1 EP 94111084 A EP94111084 A EP 94111084A EP 94111084 A EP94111084 A EP 94111084A EP 0623975 B1 EP0623975 B1 EP 0623975B1
Authority
EP
European Patent Office
Prior art keywords
socket
plug
control member
thrust member
extraction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP94111084A
Other languages
English (en)
French (fr)
Other versions
EP0623975A2 (de
EP0623975A3 (de
Inventor
Stéphane Marie André d'Alayer de Costemore d'Arc
Michel Charles Guy Mortier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Staar SA
Original Assignee
Staar SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Staar SA filed Critical Staar SA
Publication of EP0623975A2 publication Critical patent/EP0623975A2/de
Publication of EP0623975A3 publication Critical patent/EP0623975A3/de
Application granted granted Critical
Publication of EP0623975B1 publication Critical patent/EP0623975B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
    • H01R13/635—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only by mechanical pressure, e.g. spring force

Definitions

  • the present invention relates to electrical outlets and relates more particularly to a device for easily extracting a plug from a standard electrical outlet in which it has been positioned.
  • plugs are commonly used for household appliances such as vacuum cleaners, fryers, robots, etc.
  • Such a device would also have the advantage Eliminate any risk of electric shock to a user who tears off the electrical outlet or the electric cable while trying to extract a plug.
  • Document US-A-4,042,292 describes an extraction device incorporated into a component (cover plate) of the plug.
  • This device comprises a folded plate in the form of a lever arm which can pivot relative to the cover plate of the socket.
  • One end of this lever arm has the same front shape as the socket so that it can be placed between the socket and the plug as a pushing member, while the other (folded) end of the lever arm represents l 'control member intended to be actuated to tilt the lever arm and extract the plug from the socket.
  • the transmission of movement from the control member to the thrust member is direct (tilting of the lever arm) and the effort to be made on the control member to push the plug from the socket, remains quite significant.
  • the object of the present invention is to remedy the aforementioned drawbacks by proposing a simple, reliable and economical means for extracting an electric current plug while avoiding any tearing of the socket in which it has been positioned and / or of the electric cable.
  • a second object of the invention is to provide the approval of a simple and easy-to-use command.
  • a third object of the invention is to provide a single command making it possible to extract the plug with ergonomics such that the user is not tempted to grasp the electric cable.
  • a fourth object of the invention is to provide an electrical outlet provided with a progressive extraction means and providing a significant reduction in the effort to be provided.
  • a fifth object of the invention is to propose a socket fitted with a device using standard elements and already approved by the various security and / or standardization organizations so as to avoid administrative approval procedures.
  • a sixth object of the invention is to propose a protective plate for an electrical outlet provided with the device and intended to easily replace the existing protective plates.
  • the device which is the subject of the invention is characterized by the content of the main claim.
  • FIG. 1 the housing of a standard electrical outlet 70 fixed in a wall. It includes a protective plate 71, two sockets or contact clamps 72 under permanent voltage, used to trap the electric current conductors 18 of a standard plug ( Figures 3 and 4) and a pin 74 representing the "earth" and s embedded in the connection made in the support 12 of any electrical plug.
  • the distance between the front end of the flange 80 of the protective plate 71 and the front surface of the support 12 of the plug 10 when it is positioned in the socket 70 remains identical whatever the type outlet used (exposed, embedded, flying, etc.) because it is standardized.
  • the rim 80 has a standardized shape and profile so that the socket housing 70 accepts only plugs which meet the standards in force.
  • the user connects the device which he wishes to use, provided with the electric current plug, as he usually does, simply by inserting the plug fully into socket 70.
  • the protective plate 71 of a socket 70 equipped with the extraction device according to the invention has a ring-shaped rim 80 in which are made three axial slots 81 preferably distributed at 120 ° one from the other.
  • This rim 80 receives a cup-shaped pushing member 90 whose outer surface comes close to the inner surface of said rim, the cup 90 being provided with three pins 91 which engage in the three slots 81 of the rim 80 of such so that the cup 90 can move by an axial movement relative to the rim 80.
  • This cup 90 also has two openings 92 corresponding to the openings 82 made in the protective plate 71 to allow the passage of the conductors 18 of a standard plug, while the opening 93 corresponds to the opening 83 allowing the passage of the pin 74 of "earth". Finally, an opening 94 allows the passage of a screw fixing the plate 71 to the socket 70 via the opening 84, in a conventional manner and therefore not described.
  • a control element 100 of annular shape mounted on the outer periphery of the flange 80 and guided in rotation by the latter, comprises three inclined slots 101, in which engage the pins 91 of the cup 90, as well as a lever 102.
  • a spring 103 one end of which is fixed to said control lever 102 and the other to one of the pins 91, ensures the return of the control element 100 to the rest position, position in which the cup 90 comes against the bottom surface 73 of the plate 71 and therefore allows the user to position a standard plug in socket 70 (figure 3).
  • Two lateral plates 200 (FIG. 2) guide and maintain the control element 100.
  • a standard plug has a substantially cylindrical body 10 whose shape and profile allow it to be inserted into any standard socket, especially in EEC countries, and a support 12 to which are fixed current conductors 18 ensuring the transmission of energy. electrical and a so-called "earth" connection.
  • the rotation of the control element 100 and therefore the movement of the slots 101 ensure the movement of the pins 91 along the slots 81 and therefore an axial movement of the cup 90 relative to the socket 70 ( Figure 4).
  • the bottom of the cup 90 comes to bear by exerting an axial force on the front surface of the support 12 of the electrical plug, the latter is then moved axially in the direction of the arrow F2 and the plug is therefore removed from the taken.
  • the spring 103 returns the control element to the rest position; the cup 90 is then brought back to the bottom surface 73 of the socket in which any standard electrical plug can then be positioned.
  • this cup-shaped pushing member 90 can have any other shape (cylindrical, annular, triangular, ...) as long as it cooperates with the support 12 of the plug to ensure the extraction of the plug while by allowing the passage of the conductors 18 and the pin 74.
  • the device which is the subject of the invention ensures the extraction of an electrical plug while exerting on the socket casing an opposite force so as to keep this socket immobile and therefore to avoid any possibility of it being torn off. .
  • no traction is exerted at any time on the electric cable.
  • the withdrawal of the current plug thanks to the device which is the subject of the invention, requires only a minimum of effort and at no time can the user tear off the plug or the electric cable.
  • the device which is the subject of the invention not only facilitates the extraction of plugs but simultaneously it guarantees greater security for the user since it eliminates any tearing force transmitted to the electrical outlet, thus ensuring the immobility of the latter, of the contact sockets, of the electrical conductors and of its installation housing.
  • the embodiment described relates to sockets and plugs for domestic use (standards NBN C 61-112-1 / CEB) but it should be noted that the device which is the subject of the invention can be applied to any other type of socket and in particular prototypes have been produced for those implemented in the United States, Great Britain, as well as for sockets for industrial use, such as those covered by the IEC 309-2 standards.
  • the preferred angle of the slots is of the order of 30 ° to provide a mechanical advantage and a 3: 1 force ratio
  • this angle can of course vary depending on the particular application and the extraction force to be produced. In practice, for the various prototypes produced, this angle varies between 20 ° and 40 ° depending on the desired displacement and the force required.
  • the angle of the slots is straight, their surfaces can be curved so that the manual force exerted during the withdrawal of a grip is practically constant.
  • the surface is slightly inclined in its first half, corresponding to the force required for the withdrawal of the conductors from the grip of the sockets and which requires significant effort, while it is more inclined in the second half of its movement, which corresponds to the final withdrawal of the plug from the socket, and therefore to a less significant effort.
  • the socket 70 is always shown fixed in a wall, it should be noted that it can be independent (case of electrical extension cords), the device object of the invention retaining all its advantages .

Landscapes

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

Claims (7)

  1. Auszugsvorrichtung für einen in eine entsprechende Steckdose (70) eingeführten elektrischen Stecker (10), wobei die Steckdose ein Gehäuse aufweist, das zum Aufnehmen des Steckers (10) und der im Innern des Gehäuses angeordneten Buchsen oder Klemmen (72) bestimmt ist, deren Zusammenwirken mit den Leitern (18) des Steckers (10) die Übertragung elektrischer Energie gewährleistet, wobei die Vorrichtung in einem Bauteil (71) der Steckdose (70) eingebaut ist und mindestens ein bewegbares Drückorgan zum Trennen des Steckers (10) von der Steckdose (70) aufweist, das mit einem auf dem Bauteil (71) der Steckdose (70) montierten Steuerelement (100) zusammenwirkt, dadurch gekennzeichnet, daß das Drückorgan (90) eine axiale Verlagerung bewirkt und daß das Steuerelement (100) Mittel (91, 101) derart aufweist, daß seine Betätigung die axiale Verlagerung des Drückorgans (90) gewährleistet.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Steuerelement (100) eine Drehbewegung bewirkt.
  3. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die das Zusammenwirken zwischen dem Steuerelement (100) und dem Drückorgan (90) gewährleistenden Mittel von mit Zapfen (91) zusammenwirkenden Schlitzen (101) gebildet werden.
  4. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Bauteil (71) der Steckdose (70) mindestens einen Längsschlitz (81) aufweist, der das Drückorgan (90) führt.
  5. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß sie derart auf das Steuerelement (100) einwirkende elastische Mittel (103) aufweist, daß sie die Vorrichtung in eine inoperative Position zurückführen.
  6. Vorrichtung nach einem der vorhergehenden Ansprüche, gekennzeichnet durch Mittel, die eine Drehbewegung des Steuerelements (100) in eine Axialbewegung des Drückorgans umwandeln und eine Untersetzung der auf das Steuerelement auszuübenden Wirkung bewirken.
  7. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Drückorgan (90) und das Steuerelement (100) auf standardisierten Elementen montiert sind, wie beispielsweise den Schutzplatten (71) von Steckdosengehäusen, so daß die derart verwirklichte Gesamtheit die standardisierten Elemente ersetzt.
EP94111084A 1990-08-16 1991-08-14 Ausziehgerät für einen elektrischen Stecker Expired - Lifetime EP0623975B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BE9000790 1990-08-16
BE9000790A BE1004372A3 (fr) 1990-08-16 1990-08-16 Dispositif d'extraction d'une fiche de courant electrique.
EP91870124A EP0473562B1 (de) 1990-08-16 1991-08-14 Ausziehgerät für einen elektrischen Stecker

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP91870124.4 Division 1991-08-14

Publications (3)

Publication Number Publication Date
EP0623975A2 EP0623975A2 (de) 1994-11-09
EP0623975A3 EP0623975A3 (de) 1994-12-28
EP0623975B1 true EP0623975B1 (de) 1996-02-21

Family

ID=3884900

Family Applications (2)

Application Number Title Priority Date Filing Date
EP91870124A Expired - Lifetime EP0473562B1 (de) 1990-08-16 1991-08-14 Ausziehgerät für einen elektrischen Stecker
EP94111084A Expired - Lifetime EP0623975B1 (de) 1990-08-16 1991-08-14 Ausziehgerät für einen elektrischen Stecker

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP91870124A Expired - Lifetime EP0473562B1 (de) 1990-08-16 1991-08-14 Ausziehgerät für einen elektrischen Stecker

Country Status (7)

Country Link
US (1) US5171291A (de)
EP (2) EP0473562B1 (de)
JP (1) JPH04233175A (de)
AT (2) ATE134461T1 (de)
BE (1) BE1004372A3 (de)
DE (2) DE69107937T2 (de)
ES (2) ES2071972T3 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5480313A (en) * 1992-09-02 1996-01-02 Staar S.A. Automatic disconnect mechanism for electrical terminal fittings
BE1006139A3 (fr) * 1992-09-02 1994-05-24 Staar Sa Desengagement automatique de fiches electriques.
US5429516A (en) * 1994-05-05 1995-07-04 Staar S.A. Electrical plug-socket adaptor with disconnect mechanism
US5447443A (en) * 1994-05-20 1995-09-05 Ramah; Gary J. Revolving electrical plug removal actuator
DE69626870T2 (de) * 1995-08-09 2003-10-02 Autonetworks Technologies, Ltd. Verbindungseinrichtung mit einem Federmechanismus
HUP9800607A1 (hu) * 1998-03-19 1999-11-29 László Sándor Villamos csatlakozó dugó
US7138103B2 (en) 1998-06-22 2006-11-21 Immunomedics, Inc. Use of bi-specific antibodies for pre-targeting diagnosis and therapy
US6165002A (en) * 1998-12-30 2000-12-26 Garmin Corporation Electrical connector apparatus
US6364675B1 (en) 2000-12-06 2002-04-02 Bonnie Brauer Electrical connector with tension disconnect
AT410617B (de) * 2001-04-18 2003-06-25 Martin Burian Löse- bzw. abziehvorrichtung für elektrische steckverbindungen
DE10143219A1 (de) * 2001-09-04 2003-03-20 Heinrich Kopp Ag, 63796 Kahl Netzsteckeradapter
US6773289B1 (en) * 2003-11-25 2004-08-10 Allis Electric Co., Ltd. Electrical plug mechanism and electrical receptacle for electrical cell
US7101215B2 (en) * 2004-03-31 2006-09-05 Hewlett-Packard Development Company, L.P. Cable plug retention clip
US9531124B2 (en) 2014-12-10 2016-12-27 Leo Ohler Electrical plug removal device
US9905956B2 (en) * 2015-12-22 2018-02-27 Biosense Webster (Israel) Ltd. Preventing unwanted contact between terminals
DE102020114197B3 (de) 2020-05-27 2021-08-05 REVONEER GmbH Schutzgehäuse für elektrische Stecker

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2161353A (en) * 1937-04-30 1939-06-06 Hummel Henry Electric plug
US2551382A (en) * 1950-01-17 1951-05-01 Herbert F Lindsay Rotatably released electric plug
GB1138364A (en) * 1965-04-30 1969-01-01 Plessey Co Ltd Improvements in or relating to mechanical coupling means, more particularly for the coupling of two electrical connector members
US4042292A (en) * 1975-08-11 1977-08-16 Chensky Frank T Wall plate structure
US4045106A (en) * 1976-02-17 1977-08-30 Borg John P Automatic electrical plug release
HU208882B (en) * 1991-05-03 1994-01-28 Prodax Kft Receptactle with ejector work for connecting electric consumer

Also Published As

Publication number Publication date
ES2071972T3 (es) 1995-07-01
DE69117309T2 (de) 1996-07-11
ES2083885T3 (es) 1996-04-16
JPH04233175A (ja) 1992-08-21
EP0473562A1 (de) 1992-03-04
BE1004372A3 (fr) 1992-11-10
EP0473562B1 (de) 1995-03-08
DE69107937T2 (de) 1995-07-13
EP0623975A2 (de) 1994-11-09
DE69107937D1 (de) 1995-04-13
DE69117309D1 (de) 1996-03-28
ATE134461T1 (de) 1996-03-15
ATE119714T1 (de) 1995-03-15
EP0623975A3 (de) 1994-12-28
US5171291A (en) 1992-12-15

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