EP2824770B1 - Prise multiple - Google Patents

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Publication number
EP2824770B1
EP2824770B1 EP14176449.8A EP14176449A EP2824770B1 EP 2824770 B1 EP2824770 B1 EP 2824770B1 EP 14176449 A EP14176449 A EP 14176449A EP 2824770 B1 EP2824770 B1 EP 2824770B1
Authority
EP
European Patent Office
Prior art keywords
plug
protective
openings
protective element
elements
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.)
Active
Application number
EP14176449.8A
Other languages
German (de)
English (en)
Other versions
EP2824770A1 (fr
Inventor
Walter Ruffner
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.)
WORLDCONNECT AG
Original Assignee
Worldconnect AG
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 Worldconnect AG filed Critical Worldconnect AG
Priority to PL14176449T priority Critical patent/PL2824770T3/pl
Publication of EP2824770A1 publication Critical patent/EP2824770A1/fr
Application granted granted Critical
Publication of EP2824770B1 publication Critical patent/EP2824770B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R13/44—Means for preventing access to live contacts
    • H01R13/447—Shutter or cover plate
    • H01R13/453—Shutter or cover plate opened by engagement of counterpart
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
    • 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
    • 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

Definitions

  • the invention relates to a socket, in particular travel adapter according to the preamble of claim 1.
  • the EP-A-1 917 701 discloses a receptacle for a plug having a first and a second receptacle portion electrically connected together for alternative use. Both the first and second receptacle areas each have a base pair of contact receptacles and a third contact receptacle and are configured to receive plugs of a first and a second type.
  • a protective device is provided in order to prevent that a wrong electrical plug is plugged into a socket area.
  • the protective device consists of two separate closure elements, which are displaceable between a closed position and an open position and cover a single dose area. Both closure elements are biased by coil springs in the same direction in the closed position.
  • the child safety device By means of a spring, which at one end at the Housing wall and the other end is supported on the child safety device, the child safety device is biased into an end position in which a part of the insertion openings are blocked. If the plug pins of a plug are inserted into the insertion holes, the child safety device is pushed back against the force of the spring.
  • a disadvantage of the parental lock described is that all insertion openings are released when a plug is inserted into the adapter part. This can be a safety problem, because in this state, electrical contact with a live terminal could come about by means of another plug or with the aid of a pointed, metallic object through one of the other insertion openings.
  • Another disadvantage of the known adapter part is that the plug-in openings of the US standard are not blocked by the child safety device.
  • US 5,919,060 a safety socket adapter including a body with two front longitudinal slideways and two rear longitudinal slideways used to fit different front panels and different backs to adapt the adapter to any pairings of different plug and socket standards.
  • the front panels have safety locks that close the openings as soon as a plug is pulled out.
  • Yet another goal is to provide a child safety device that can withstand manipulation attempts.
  • the invention relates to a socket, in particular a travel adapter, with a plug plate having a first socket arrangement with first insertion openings for corresponding plug pins of a plug of a first standard. Furthermore, the connector plate has a second socket arrangement with second insertion openings for corresponding plug pins of a plug of a second standard.
  • a first protective element is movable from a closed position, in which at least the first insertion openings are blocked, into an open position in which the first insertion openings are open.
  • a second protective element is movable from a closed position, in which at least the second insertion openings are blocked, into an open position, in which the second insertion openings are open.
  • the protective elements are biased by spring elements in their respective closed positions and the first and second protective elements are biased by the spring elements in different directions of movement in their respective end positions.
  • the first and second directions of movement of the first and second protective elements may be different and in particular opposite or at an angle to each other.
  • the invention is now characterized in that the second protection element is arranged in the form of a slider on the first protection element, which is arranged to be movable at right angles to the direction of movement of the first protection element.
  • This embodiment is characterized by its compactness, because the slider is arranged directly on the first protective element.
  • the protective elements are arranged relative to one another in such a way that in the case of a plug of the first or second standard plugged into the first or second plug-in openings, the respective other protective element and / or the respective other plug-in openings is / are blocked. This is an important safety aspect, because it makes it impossible to insert a pointed object into the free socket arrangement.
  • the two protective elements for opening respectively. Close each movable in opposite directions. This has the advantage that thereby a mutual influence, in particular blocking, is possible.
  • the two protective elements can each be biased by separate spring element in their respective closed position.
  • the first and second Protective elements by the at least one first spring element mechanically interconnected resp. coupled. Because the first and second protective elements are biased in opposite directions, a spring element acting between the protective elements is already sufficient to bias the protective elements into their closed position.
  • the socket or adapter housing can be provided in a built-in part for receiving the contact receptacles, for example in the form of contact terminals in a known manner.
  • the built-in part projects beyond the contact receptacles in the insertion direction of the plug, so that sliding or guide surfaces for the protective elements can be formed on the mounting part.
  • the partially current-carrying contact receptacles are thus completely absorbed in the mounting part.
  • Ramps are preferably formed on the protective elements in the region of the insertion openings, which are sloping when viewed in the closing direction. By the ramps, a force component is generated opposite to the closing direction, which moves the protective element when inserting a matching connector in the open position.
  • an elevation is provided approximately in the middle of at least one of the protective elements, on which the protective element can rock.
  • the increase can be provided on the protective element itself or on the insert or housing. The increase has the advantage that when trying to insert a pointed object in a single insertion, the protective element is pressed with the other end in the other insertion, where the ramp jammed in the insertion.
  • first and / or second protective element can only be converted into the open position by simultaneous insertion of a current conductor and neutral conductor pin of a plug.
  • This feature provides increased safety against electric shock as the insertion of a single elongate object into one of the insertion openings can not displace any of the protective elements.
  • the Protective element acts with a hook-shaped elevation in the ramp area and the rocker with one-sided load such that it hooked on one side with the plug-in and blocked both insertion.
  • the Fig. 1 shows a plug-in plate 21, in which insertion openings are provided for receiving plugs of various national standards.
  • plug-in patterns of the countries Great Britain, USA, Australia, Italy and Switzerland are formed in plug-in plate 21, wherein the plug can each have a protective contact pin.
  • insertion openings 23a, 23b provided for receiving the conductor and neutral pins of plugs British standard (plug type G) and Australian standard.
  • the slots 25a, 25b of the insertion openings 23a, 23b which are oriented at an angle relative to one another serve to receive the flat conductor and neutral conductors of the Australian plug.
  • the insertion openings 27a, 27b serve to accommodate the conductor and neutral pins of connectors of the Swiss standard (connector type J) and the Italian standard (connector type L).
  • the insertion openings 29a, 29b serve to accommodate the conductor and neutral pins of connectors of the US standard (connector type B).
  • the insertion openings for the protective contact pins of the respective country standard are provided in the median plane between the insertion of the conductor and neutral pins.
  • the insertion opening 31 serves to receive the protective conductor pin of the Australian plug and the elongate insertion opening 33 to receive the protective conductor pins of the Swiss, Italian and US plug.
  • the slot-like extension 35 of the insertion opening 33 is provided for receiving the Australian grounding pin.
  • the circular broadening 37 in the middle of the elongated insertion opening 33 serves to receive the Italian grounding pin, and the bag-like broadening 39 of receiving the grounding pins of the US and the Swiss plug.
  • contact bushes for example in the form of contact springs, are provided for the respective plug pins. Training and arrangement of such contact sockets are in the WO 2009/15229 described in detail, so it need not be discussed in detail at this point.
  • the protective element is intended to prevent false connector types can be inserted into a specific insertion and the possibility exists that inadvertent contact with a live contact socket is made. Also, the protective element should prevent children from being able to insert pointed objects into the contact sockets.
  • the inventors propose to provide a plurality of movable protective elements which in the initial state close at least all insertion openings leading to the current-carrying contact sockets.
  • a first protective element 41 for the insertion openings 23a, 23b, 25a, 25b, a second protective element 43 for the insertion openings 27a, 27b and a third protection element 45 for the insertion openings 29a, 29b are provided. If no second protective element 45 is present, then the third protective element 45 can be referred to as the second protective element 43.
  • Each protective element 41, 43, 45 is preferably prestressed into the closed position by an at least separate spring element 47, 49, 51 Fig. 2 ).
  • the spring elements 47,49,51 are projections of the socket housing resp. of stationary components.
  • the first and second guard members 41, 43 are biased in opposite directions to their final positions by the spring members 47, 49. As a result, the protective elements 41,43 move toward each other during opening and thereby block the respective other protective element in the closed position in the open position (see FIG. FIGS. 3 and 4 ).
  • the protective elements 41,43,45 In order for the protective elements 41,43,45 to move into the open position upon insertion of a suitable plug, they have sloping ramps 53,54 below the insertion openings, the bevels of which slope obliquely in the closing direction. When inserting a plug, this results in a force component opposite to the closing direction, which presses the protective element in the open position. This is in the FIGS. 8 to 12 shown.
  • the first and the second protective element 41,43 consist in the embodiment shown of a rod-shaped plastic part, at the ends of pins 55,56 are formed.
  • the spring elements 47,49 which are preferably designed as compression springs, attached.
  • the spring elements 47,49 are based on counter bearings 57,59, which is part of the housing or a built-in of the housing.
  • the protective elements 41,43 have in the middle of a V-shaped recess 60a, 60b, which is necessary due to the compact arrangement of the various socket pattern. Otherwise, the insertion of a 3-pin US plug into the plug 21 is not possible in the closed position of the second protection element.
  • the third protective element 45 is block-shaped with notches 61, 63, which leave the insertion openings 31, 33 for the British and Australian protective conductor pins free in the closed position.
  • a pin 67 is formed, on which the spring element 51 is attached.
  • the spring element 51 a helical spring, is supported on the abutment 65 and biases the protective element 45 in the closed position.
  • FIG. 3 is the first protective element 41 shown in its open position 69, while it is pressed by the conductor and Nulleiterstatt a UK or AU plug against the second protective element 43 against the pressure of the first spring elements 47.
  • FIG. 3 shows that the first protective element 41 in the open position blocks the second protective element 43 in the closed position.
  • the V-shaped recess 60 a is pushed over the V-shaped extension 71 of the second protective element when opening. An insertion of several plugs in the plug-in plate 21 is prevented.
  • FIG. 4 shows the reverse case, in which the second protective element 43 is displaced from the conductor and neutral pin of a CH or IT connector in the open position 73.
  • the second spring elements 49 are compressed, so that the second protective element 43 snaps back into the closed position after pulling an IT or CH plug.
  • the first protective element 41 is blocked in its closed position.
  • the third protective element 45 is designed independently of the other protective elements 41, 43.
  • FIG. 5 shows the third protective element in its open position 75. The effect of the cuts 61,63 has already been described above. Out Space reasons and thus the outer dimensions of the plug 21 are not too large, the third protective element 45 is arranged transversely to the first and second protective element 41,43.
  • FIG. 6 shows a second comparative example in which the first and second protective element 41,43 are biased by a first spring element pair 47 against each other.
  • This example is particularly compact and simple, since it can be dispensed with counter bearing 57,59.
  • First and second protective element are in fact supported against each other and act together. Is a protective element in the open position so it pushes through the different directions of movement of the protective elements 41,43 the other protective element in the closed position.
  • FIGS. 7 to 12 show an embodiment of the invention.
  • the insertion openings 23a, 23b are provided with extensions 77a, 77b in such an upward direction that a US plug can also be inserted into the insertion openings 23a, 23b.
  • the insertion opening 33 is provided in this example between the insertion openings 23a, 23b, so that IT and CH plug can be accommodated.
  • the first second and third protection element 41, 43, 45 are replaced in this exemplary embodiment by a single, compact protection module 79, which acts as the first protection element 41.
  • FIG. 8 shows the protection module 79 in the closed position and FIG. 9 in the open position.
  • a slider 80 for closing the US plug openings, together with the third spring element 51 is integrated.
  • the slider 80 acts like the third protection element 45 but is arranged on the protection module 79.
  • the slider 80 can only be brought into its open position when the protection module 79 is in the closed position. Otherwise, the US plug openings are at least partially covered by a UK, AU, IT or CH plug and the slider 80 partially covered by the plug-21.
  • the protection module 79 is biased by a first spring element 47 in its closed position.
  • the blocking function of the protection module 79 which essentially also applies to the protection elements 41, 43, 45, is disclosed in US Pat FIGS. 10 to 12 shown.
  • Both the protection module 79 and the slider 80 are provided with ramps 53, 54 which have already been described above.
  • the ramps 53,54 have in Displacement direction of the open position a hook-shaped elevation 81.82 which in the FIGS. 8 . 9 . 11 and 12 is shown.
  • the protection module 79 and the slide 80 are hooked by the survey 81,82 on the plug-in plate 21 and on the protection module.
  • Protective module 79 and slide 80 can only be displaced if they are pressed down by the conductors 53 and 54 at the same time as the conductor and neutral conductor. Otherwise, one of the surveys 81, 82 continues to block the move ( FIG. 10 and 11 ).

Landscapes

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

Claims (11)

  1. Prise de courant, notamment adaptateur de voyage, comprenant
    - une plaque de connecteur (21) pourvue
    d'une première configuration de prise de courant pourvue
    - de premiers orifices d'enfichage (23a, 23b) destinés à des broches correspondantes d'une fiche d'une première norme,
    d'une deuxième configuration de prise de courant pourvue
    - de deuxièmes orifices d'enfichage (27a, 27b) destinés à des broches correspondantes d'une fiche d'une deuxième norme,
    - des supports de contact d'un premier type, prévus avec un écart par rapport à la plaque de connecteur (21), destinés à recevoir des broches de la première norme, et
    - des supports de contact d'un deuxième type, destinés à recevoir des broches de la deuxième norme, ainsi
    - qu'un premier élément protecteur (41), lequel est mobile d'une position de fermeture, dans laquelle au moins les premiers orifices d'enfichage (23a, 23b) sont fermés, dans une position d'ouverture (69), dans laquelle les premiers orifices d'enfichage (23a, 23b) sont ouverts, et
    - un deuxième élément protecteur (43, 45), lequel est mobile d'une position de fermeture dans laquelle au moins les deuxièmes orifices d'enfichage (27a, 27b) sont fermés, dans une position d'ouverture (73), dans laquelle les deuxièmes orifices d'enfichage (27a, 27b) sont ouverts, et
    - des éléments à ressort (47, 49, 51), destinés à précontraindre le premier et le deuxième éléments protecteurs (41, 43, 45) dans leur position de fermeture respective, les premier et deuxième éléments protecteurs (41, 43, 45) étant précontraints par les éléments à ressort (47, 49, 51) dans différentes directions de déplacement dans leurs positions finales respectives,
    caractérisée
    en ce que sur le premier élément protecteur (41) est placé le deuxième élément protecteur sous la forme d'un curseur (80), lequel est placé en étant mobile à angle droit par rapport à la direction de déplacement du premier élément protecteur (41).
  2. Prise de courant selon la revendication 1, caractérisée en ce que les éléments protecteurs (41, 43) sont placés l'un par rapport à l'autre de telle sorte que lorsqu'une fiche est enfichée dans les premiers ou les deuxièmes orifices d'enfichage (23a, 23b, 27a, 27b) de la première ou de la deuxième norme, l'autre élément protecteur (41, 43) respectif et/ou les autres orifices d'enfichage (23a, 23b, 27a, 27b) respectif soit/soient bloqué(s).
  3. Prise de courant selon la revendication 1 ou 2, caractérisée en ce que les deux éléments protecteurs (41, 43) sont respectivement mobiles dans des directions opposées pour l'ouverture, respectivement la fermeture.
  4. Prise de courant selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le deuxième élément protecteur (43) est précontraint par un deuxième élément à ressort (49) dans la position de fermeture.
  5. Prise de courant selon l'une quelconque des revendications 1 à 4, caractérisée en ce que les premier et deuxième éléments protecteurs (41, 43) sont mécaniquement reliés l'un à l'autre par un élément à ressort (47) commun.
  6. Prise de courant selon l'une quelconque des revendications 1 à 5, caractérisée en ce que dans la prise de courant est prévue une pièce encastrée destinée à recevoir les supports de contact, laquelle pièce encastrée saillit par-dessus les supports de contact dans la direction d'enfichage de la fiche.
  7. Prise de courant selon la revendication 6, caractérisée en ce que les supports de contact sont placés dans la pièce encastrée.
  8. Prise de courant selon la revendication 6 ou 7, caractérisée en ce que sur la pièce encastrée et/ou sur le boîtier sont conçues des surfaces de guidage, le long desquelles les éléments protecteurs sont susceptibles de coulisser.
  9. Prise de courant selon l'une quelconque des revendications 1 à 8, caractérisée en ce que sur les éléments protecteurs, dans la zone des orifices d'enfichage sont conçues des rampes (53, 54), lesquelles sont descendantes, vues dans la direction de fermeture.
  10. Prise de courant selon l'une quelconque des revendications 1 à 9, caractérisée en ce qu'approximativement au milieu d'au moins l'un des élément protecteurs (41,43) est prévue une élévation, sur laquelle l'élément protecteur est susceptible de basculer.
  11. Prise de courant selon l'une quelconque des revendications 1 à 10, caractérisée en ce que le premier et/ou le deuxième élément protecteur (41, 43, 80) n'est susceptible de passer dans la position d'ouverture (69, 73, 75) que par l'enfichage simultané d'une broche conductrice et d'une broche de neutre.
EP14176449.8A 2013-07-10 2014-07-10 Prise multiple Active EP2824770B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14176449T PL2824770T3 (pl) 2013-07-10 2014-07-10 Wielokrotne gniazdo wtykowe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01235/13A CH708281A1 (de) 2013-07-10 2013-07-10 Mehrfachsteckdose.

Publications (2)

Publication Number Publication Date
EP2824770A1 EP2824770A1 (fr) 2015-01-14
EP2824770B1 true EP2824770B1 (fr) 2019-10-30

Family

ID=49709393

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14176449.8A Active EP2824770B1 (fr) 2013-07-10 2014-07-10 Prise multiple

Country Status (8)

Country Link
US (1) US9281602B2 (fr)
EP (1) EP2824770B1 (fr)
CN (1) CN104377518B (fr)
CH (1) CH708281A1 (fr)
ES (1) ES2765250T3 (fr)
HK (1) HK1202712A1 (fr)
IN (1) IN2014DE01914A (fr)
PL (1) PL2824770T3 (fr)

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CN107534242B (zh) * 2014-12-10 2019-07-26 Q2电源有限公司 插座适配器
CN105071089A (zh) * 2015-07-31 2015-11-18 何兆坚 一种三孔插座
CN105071088A (zh) * 2015-07-31 2015-11-18 何兆坚 一种二孔插座
USD830307S1 (en) * 2017-05-17 2018-10-09 Song Liu Power plug adapter
USD829663S1 (en) * 2017-06-18 2018-10-02 Guangzhou Rimsea Technology Co., Ltd. Electrical socket coverter
CN110829119A (zh) * 2019-12-10 2020-02-21 深圳市欧力科技有限公司 一种插座保护机构
US11728597B1 (en) * 2022-01-28 2023-08-15 Yang Ji Co., Ltd. Structure of universal socket with polarity correction

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Also Published As

Publication number Publication date
PL2824770T3 (pl) 2020-05-18
US9281602B2 (en) 2016-03-08
US20150099380A1 (en) 2015-04-09
HK1202712A1 (en) 2015-10-02
IN2014DE01914A (fr) 2015-06-19
CH708281A1 (de) 2015-01-15
ES2765250T3 (es) 2020-06-08
CN104377518A (zh) 2015-02-25
CN104377518B (zh) 2018-11-06
EP2824770A1 (fr) 2015-01-14

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