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WO2011101648A1 - Cache-prise - Google Patents

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Publication number
WO2011101648A1
WO2011101648A1 PCT/GB2011/000241 GB2011000241W WO2011101648A1 WO 2011101648 A1 WO2011101648 A1 WO 2011101648A1 GB 2011000241 W GB2011000241 W GB 2011000241W WO 2011101648 A1 WO2011101648 A1 WO 2011101648A1
Authority
WO
WIPO (PCT)
Prior art keywords
socket
switch
cover
access
operating
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.)
Ceased
Application number
PCT/GB2011/000241
Other languages
English (en)
Inventor
Ashley Trevor Bateup
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2011101648A1 publication Critical patent/WO2011101648A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • H01R13/6397—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap with means for preventing unauthorised use
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/287—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member wherein the operating part is made inaccessible or more difficult to access by a lid, cover or guard, e.g. lockable covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/02—Details
    • H01H23/04—Cases; Covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/285—Locking mechanisms incorporated in the switch assembly and operable by a key or a special tool
    • 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
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch

Definitions

  • the present invention relates to a socket cover and, in particular, to a socket cover including a switch cover which selectively permits access to the operating switch or switches for the socket. It also relates to a socket including such a socket cover and to a socket including a switch cover.
  • Socket covers generally are known. These may be the type which include pins made of an insulating material that simply blank off the pin apertures of the socket, but still allow access to the socket operating switch or switches. This type of cover needs to be removed prior to use of the socket. However, such covers can provide a potential hazard for small children. The child has access to the socket operating switch and as such can make live the socket. With the cover partly in place, the live aperture becomes accessible and a small child could theoretically place a thin metallic object into the live aperture and electrocute themselves.
  • Alternative socket covers which prevent access to the socket operating switch(es), but permit access to the socket apertures are also known.
  • Socket covers are typically used in situations where it is desired to prevent young children from playing with electrical sockets or where it is important that sockets are not switched on or off.
  • the present invention provides a socket cover including a body adapted to be secured to a socket, and a switch cover coupled to the body, the switch cover being configured to overlay in use one or more operating switches carried by the socket, the switch cover comprising an access element which permits selective access to the or each operating switch, wherein the body comprises a web adapted to be interposed between the socket and a plug in use.
  • socket is intended to include electrical sockets into which plugs are releasably inserted and also switched electrical faceplates or spurs which control the electrical flow to electrical components hard-wired into the electrical system, e.g. a ring main.
  • the switch cover is typically formed from a rigid or semi rigid material which prevents or resists deflection such that the or each operating switch is not capable of being unintentionally operated.
  • a rigid or semi rigid material which prevents or resists deflection such that the or each operating switch is not capable of being unintentionally operated.
  • Such material may be a polymeric material or a metal.
  • the material will be a dielectric polymer material.
  • the access element of the socket cover suitably includes a first configuration in which access to the socket operating switch in use is prevented and a second configuration in which access to the socket operating switch in use is permitted.
  • the access element comprises a flap adapted selectively to cover the or each socket operating switch, the flap including a locking element, wherein the locking element has a locked configuration in which the flap is prevented from movement and an open configuration in which the flap is movable between a covered and uncovered position to selectively permit access to the or each operating switch.
  • the switch cover may comprise a flap rotatably coupled to the socket cover body.
  • the flap may be formed as a substantially planar element or it may be in the form of a housing which includes a substantially planar element and one or more projecting elements.
  • a user must first move the locking element to the open configuration, then move the flap to an uncovered position and then operate the or each operating switch.
  • Such an arrangement prevents unintentional operation of the or each switch. It also functions as a child-proof arrangement, as it would prevent access to the switch by a young child.
  • the lock element requires a force greater than 45N to move the lock element from the locked configuration to the open configuration.
  • the flap may be rotatably coupled to the socket cover body, for example, it may be hingedly coupled to the body.
  • the switch cover may comprise a flap and a hinge, wherein the hinge rotatably couples the flap to the socket cover body.
  • the socket cover body, flap and hinge may be formed as a unitary or single-piece component.
  • the flap and the hinge may be a single-piece component and the hinge may snap fit to a receiving element or post carried by the socket cover body.
  • the locking element may comprise one or more lugs carried on a peripheral edge portion of the flap. Suitably the or each lug is engaged with a corresponding portion of the socket cover body in the locked configuration.
  • the flap may be resiliently deformable such that a portion of the flap can be deflected to release the or each lug and in so doing, move the locking element to the open configuration.
  • the access element may include one or more apertures formed through the switch cover and the socket cover may include a detachable operating wand which is sized and configured to be insertable through the or each aperture and is capable of operating the or each operating switch when inserted.
  • the switch cover will include two apertures per switch, where the operating wand may be inserted through a first aperture to engage a first portion of the operating switch which when pressed moves the switch to an "ON" position and it may be inserted through a second aperture to engage a second portion of the operating switch which when pressed moves the switch to an "OFF" position.
  • the two apertures may be vertically aligned for switches which rock or pivot about a horizontal axis and they may be horizontally aligned for switches which rock or pivot about a vertical axis. As most switches are arranged to pivot about a horizontal axis, each pair of apertures are suitably arranged in a spaced vertical configuration.
  • the apertures are typically sized to prevent access to the switches by objects other than the operating wand or similarly shaped elongate objects.
  • the operating wand detachable from the socket cover By having the operating wand detachable from the socket cover, it may be spaced away from the cover in a secure place to prevent unintentional operation of the switches.
  • the web of the socket cover body is suitably selected to be of a thickness that does not interfere with the frictional fit and/or electrical connection between the pin(s) of a plug and the corresponding apertures of the socket.
  • the web may include one or more apertures through which one or more pins of the plug may be inserted in use. In this way, the cover may effectively be held in place by the friction between the pins of the plug and their respective sockets.
  • the web may include a corresponding number of apertures as the pins of the plug.
  • the web may include three spaced apart apertures and for 2-pinned plugs, the web may include two spaced apart apertures.
  • the socket cover may be used to prevent access not only to the switches of the socket, but also to the pin apertures of the socket.
  • the cover body includes one or more pins extending orthogonally from the plane of the body, wherein the pin or pins are adapted to locate within respective socket apertures.
  • the pins of the socket cover are used to secure the cover to the socket, using the same frictional coupling as used by a plug coupled to the socket, and they blank off or prevent access to the socket apertures, thereby preventing young children for example from inserting objects into the socket apertures.
  • the pins of this embodiment will typically be formed from an electrically insulating material.
  • the socket cover body and in particular the web of the socket cover body, may include a releasable adhesive wherein the body is releasably securable to the face of the socket via the adhesive.
  • the adhesive may form a substantially continuous layer on at least a part of the body.
  • the adhesive will form a substantially continuous layer of adhesive on a face of the web which in use is located adjacent to the face of the socket.
  • the socket cover body may also or alternatively include areas which carry a releasable adhesive on the outward facing face of the body (i.e. the face which faces away from the socket in use).
  • This adhesive layer provides an additional layer of security for the plug, as it provides an additional resistive force to prevent unintentional removal of the plug from the socket.
  • the socket cover body is suitably formed from an electrically insulating material.
  • the electrically insulating material may be a polymeric material, such as a synthetic polymer.
  • plug sockets may be decorative and formed from brass or a chromed metal.
  • the cover may be formed from a transparent material.
  • a socket including a socket body, one or more operating switches and a switch cover coupled to the socket body, the switch cover being configured to overlay in use the one or more switches, wherein the switch cover includes an access element which permits selective access to the or each switch.
  • the access element comprises a flap including a hinge and a locking element, wherein the locking element has a locked configuration in which the flap is prevented from movement and an open configuration in which the flap is permitted to pivot about its hinge to allow access to the or each switch
  • Figure 1 is plan view from above of a first embodiment of a socket cover according to the invention
  • Figure 2 is a perspective view of the embodiment shown in Figure 1;
  • Figure 3 is plan view from above of a second embodiment of a socket cover according to the
  • Figure 4 is a perspective view of the embodiment shown in Figure 3;
  • Figure 5a is a side elevational view of a socket according to the invention with a switch cover in an uncovered configuration
  • FIG 5b is a side elevational view of a socket according to the invention with the switch cover in a covered configuration.
  • the terms “up”, “down”, “front”, “rear”, “upper”, “lower”, “width”, etc. refer to the orientation of the components as found in the socket cover in normal use as shown in the Figures.
  • Figures 1 and 2 show a socket cover 2 according to one embodiment of the invention.
  • the socket cover 2 comprises a body 4 in the form of a planar web of transparent polypropylene. The web is 1 mm thick such that it is able to be sandwiched between a plug and a socket without interfering with the electrical connection between the plug and socket.
  • the body 4 defines two arrays of apertures 6a, 6b which are configured to match the arrangement of pins carried by a standard UK 3-pin plug.
  • the skilled person will appreciate that whilst this embodiment is described in relation to a UK 3-pin plug, the inventive concept is applicable to any pin arrangement for plugs that are adapted to be inserted into respective sockets.
  • the dimensions of the apertures 6a, 6b are greater than the dimensions of the pins of a standard plug. This is to allow the socket cover to be used with different sockets where there are small differences in the relative locations of the socket apertures.
  • a 5mm tolerance has been included in the dimensions of the apertures 6a, 6b.
  • each dimension of each aperture 6a, 6b is 5mm greater than the corresponding pin dimension.
  • a socket operating switch aperture 8 is defined by the body 4 between the two arrays of apertures 6a, 6b.
  • the socket switch aperture 8 is sized to surround the operating switches of a standard UK twin socket.
  • a hinge 12 which connects a switch cover 14 to the body 4.
  • the body 4, hinge 12 and switch cover 14 are all formed as a single unitary (i.e. one piece) component via an injection moulding process.
  • the switch cover 14 includes a rectangular planar portion 16 and four supporting wall portions 18 (an upper wall portion, a lower wall portion and a pair of opposed side wall portions), where each supporting wall portion extends from a respective side of the planar portion 16, such that the switch cover is frustopyramidal in shape.
  • a lug 20 is provided on the peripheral edge portion of the lower supporting wall portion 18a.
  • the lug is shaped to engage the portion of the body 4 which defines a bottom side 22 of the socket switch aperture 8.
  • the lower supporting wall portion 18a which carries the lug 20 is resiliency deformable such that it can be deflected inwards to engage or disengage the lug 20 from the body portion 22.
  • the socket cover 2 is located between a plug and a socket and is held in place by the frictional force exerted by the socket on the plug pins.
  • Each of the three pins of a standard UK plug passes through a respective aperture 6a, 6b defined by the body 4 of the cover 2.
  • the socket switch cover 14 is in an open configuration in which a user has access to the socket operating switches. Once the operating switches are set as desired, the socket switch cover 14 is rotated about the hinge 12 to a closed configuration in which it covers the operating switches.
  • the lower supporting wall portion 18a is deflected inwards and the lug 20 engages the body portion which defines the bottom side 22 of the aperture 8.
  • the lug 20 resists disengagement from the body portion when the lower supporting wall portion 18a is in its normal configuration, i.e. in a non- deflected configuration.
  • the lower supporting wall portion 18a is deflected inwards until the lug 20 is capable of being disengaged from the body portion which defines the bottom side 22 of the aperture 8.
  • the switch cover 14 is rotated about the hinge 12 to an open configuration in which the operating switches are accessible by the user.
  • the supporting wall portions could form part of the socket cover body and the planar portion could be hinged to one of the supporting walls.
  • the locking lug would be carried by one of the planar portion and a supporting wall and it would engage the other of the planar portion and supporting wall.
  • a third embodiment is shown in Figures 3 and 4.
  • the switch cover forms part of the cover body and does not rotate relative to the body.
  • this embodiment provides a socket cover 102 including a cover body 104 in the form of a planar web which defines therein two arrays of apertures 106a, 106b.
  • a switch cover 114 formed from a top cover 116 which is supported by four support walls 118 projecting outwardly from the body 104 such that the top cover 116 and the support walls 118 define therein a hollow cavity sized to receive therein the socket operating switches.
  • the body 104, support walls 118 and top cover 116 are formed as a single one-piece component by an injection moulding process.
  • the socket cover 102 is made from the same material and to similar dimensions as the socket cover 2 of the first embodiment.
  • the top cover 116 includes four access apertures 130 which have identical circular cross-sections and which are arranged in a rectangular configuration (i.e. each aperture represents one corner of a rectangle).
  • the socket cover 102 includes an operating wand 132 comprising an elongate operating arm 134 and a handle 136.
  • the operating arm 134 has a cross-sectional diameter which is less than the cross- sectional diameter of the access apertures 130.
  • the cover 102 is located in place in the same way as the cover 2 of the first embodiment. However, the operation of the switches when the cover is in place is achieved via the operating wand 132, rather than by rotating the switch cover about a hinge to an open position. More specifically, with the cover 102 in place, the operating arm 134 of the operating wand 132 is inserted through one of the access apertures 130 until it contacts the switch located underneath the top cover 116. The operating wand 132 is then urged towards the switch to rock it about its pivot point. For example, if the left hand socket is switched off and it is desired to switch it on, the operating arm 134 of the operating wand 132 is inserted through the lower left access aperture 130 (as shown in Figure 3).
  • FIG. 5 shows a socket 301 in accordance with the invention.
  • the socket comprises a socket body 303, a pair of operating switches 305a, 305b and a switch cover 314.
  • the switch cover 314 is similar to the switch cover 14 in that it includes a planar portion 316 and four supporting wall portions (side wall portions 318, bottom wall portion 318a and top wall portion 318b).
  • the switch cover 314 is frustopyramidal in shape and defines a cavity which is sized and configured to receive therein the operating switches 305a, 305b.
  • the switch cover 314 is connected to the socket body 303 via a hinge element 332 which forms part of the top wall portion 318b.
  • Each end of the hinge element 332 is located within a bearing defined within a respective hinge support post 334 such that the hinge element 332 is able to rotate relative to the support posts 334.
  • a lug 320 is provided on the peripheral edge portion of the bottom supporting wall portion 318a.
  • the lug 320 is shaped to engage a recess 330 defined by the socket body 303.
  • the bottom supporting wall portion 318a which carries the lug 320 is resiliency deformable such that it can be deflected inwards to engage or disengage the lug 320 from the recess 330.
  • the socket body also defines two arrays of pin apertures 340a and 340b which are adapted to receive therein the pins of a standard UK 3-pin plug.
  • a user inserts the pins of a plug into the respective pin apertures 340a, 340b.
  • the user urges inwards the bottom wall portion 318a, which in turn disengages the lug 320 from the recess 330 and permits the switch cover 314 to rotate relative to the hinge support posts 334 via the hinge element 332.
  • the switch cover 314 is rotated from a covered configuration in which it covers the operating switches 305a, 305b to an uncovered configuration in which the operating switches 305a, 305b are uncovered and access to them is permitted.
  • the relevant switch 305a, 305b can then be set to the desired position (e.g. an ON position) and the switch cover 314 is rotated back to the covered configuration and locked in place by re-engagement of the lug 320 within the recess 330. In this configuration, access to the operating switches is prevented and the relevant operating switch 305a, 305b cannot accidentally be switched to the other position (e.g. OFF)

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

La présente invention concerne un cache-prise qui comprend un corps adapté pour être fixé à une prise et un cache-interrupteur couplé au corps, le cache-interrupteur étant conçu pour recouvrir, lors de l'utilisation, un ou plusieurs interrupteurs en fonctionnement portés par la prise, le cache-interrupteur comprenant un élément d'accès qui permet un accès sélectif à l'interrupteur ou à chacun des interrupteurs en utilisation, dans lequel le corps comprend une âme adaptée pour s'interposer entre la prise et une fiche en utilisation.
PCT/GB2011/000241 2010-02-22 2011-02-22 Cache-prise Ceased WO2011101648A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1002923.9 2010-02-22
GB1002923A GB2477974A (en) 2010-02-22 2010-02-22 Socket cover

Publications (1)

Publication Number Publication Date
WO2011101648A1 true WO2011101648A1 (fr) 2011-08-25

Family

ID=42114140

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2011/000241 Ceased WO2011101648A1 (fr) 2010-02-22 2011-02-22 Cache-prise

Country Status (2)

Country Link
GB (1) GB2477974A (fr)
WO (1) WO2011101648A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2491877A (en) * 2011-06-16 2012-12-19 Stephen Goss Cover It
GB2500573B (en) * 2012-03-08 2016-03-30 Carmen Jackson Switch safety cover
GB2507078A (en) * 2012-10-18 2014-04-23 Martin Kelly Electrical fitting with removable faceplate
GB2539833A (en) * 2014-02-28 2016-12-28 Designwiser Ltd Warning device for switched electrical socket

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1567175A (en) 1977-10-21 1980-05-14 Winkless C Plug and socket assemblies
GB2077509A (en) 1980-06-07 1981-12-16 Banks Ian George Device for protecting a switch unit on an electrical switch
GB2171263A (en) 1985-02-12 1986-08-20 Marcus Edred Pembrey An electrical switch guard
GB2222322A (en) 1988-05-20 1990-02-28 George Alfred Legg Device for obscuring electric socket switch
GB2278245A (en) * 1993-05-17 1994-11-23 Switchguard Limited Device for shielding an electrical plug
GB2293271A (en) 1994-09-16 1996-03-20 Mark Richard Bissell Power supply protector
GB2385987A (en) 2002-02-27 2003-09-03 Michelle Blaiberg Socket safety device
WO2004068648A1 (fr) * 2003-01-27 2004-08-12 Dormina Uk Limited Ameliorations dans le domaine des interrupteurs, des douilles ou similaires, ou concernant lesdits elements
US20060032733A1 (en) * 2004-08-12 2006-02-16 Renny Tse-Haw Ling Electrical receptacle having a safety mechanism

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9909878D0 (en) * 1999-04-30 1999-06-23 Oldham Adrian Plug, socket and switch security device
GB0019449D0 (en) * 2000-08-09 2000-09-27 Connell Michelle C O Electric socket/plug cover
GB0701664D0 (en) * 2007-01-29 2007-03-07 Togonu Bickersteth Philip A safety guard for an electrical socket

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1567175A (en) 1977-10-21 1980-05-14 Winkless C Plug and socket assemblies
GB2077509A (en) 1980-06-07 1981-12-16 Banks Ian George Device for protecting a switch unit on an electrical switch
GB2171263A (en) 1985-02-12 1986-08-20 Marcus Edred Pembrey An electrical switch guard
GB2222322A (en) 1988-05-20 1990-02-28 George Alfred Legg Device for obscuring electric socket switch
GB2278245A (en) * 1993-05-17 1994-11-23 Switchguard Limited Device for shielding an electrical plug
GB2293271A (en) 1994-09-16 1996-03-20 Mark Richard Bissell Power supply protector
GB2385987A (en) 2002-02-27 2003-09-03 Michelle Blaiberg Socket safety device
WO2004068648A1 (fr) * 2003-01-27 2004-08-12 Dormina Uk Limited Ameliorations dans le domaine des interrupteurs, des douilles ou similaires, ou concernant lesdits elements
US20060032733A1 (en) * 2004-08-12 2006-02-16 Renny Tse-Haw Ling Electrical receptacle having a safety mechanism

Also Published As

Publication number Publication date
GB201002923D0 (en) 2010-04-07
GB2477974A (en) 2011-08-24

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