EP3876363B1 - Accessoire de prise électrique rotatif - Google Patents

Accessoire de prise électrique rotatif Download PDF

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Publication number
EP3876363B1
EP3876363B1 EP21159330.6A EP21159330A EP3876363B1 EP 3876363 B1 EP3876363 B1 EP 3876363B1 EP 21159330 A EP21159330 A EP 21159330A EP 3876363 B1 EP3876363 B1 EP 3876363B1
Authority
EP
European Patent Office
Prior art keywords
leaf spring
rotation
support
active part
notch
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
EP21159330.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3876363A1 (fr
Inventor
Jean-Louis Merlet
Matthias GIMENEZ
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.)
Legrand SNC
Legrand France SA
Original Assignee
Legrand SNC
Legrand France 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
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Publication of EP3876363A1 publication Critical patent/EP3876363A1/fr
Application granted granted Critical
Publication of EP3876363B1 publication Critical patent/EP3876363B1/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
    • H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
    • H01R35/04—Turnable line connectors with limited rotation angle with frictional contact members
    • 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
    • H01R24/20—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/006—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits the coupling part being secured to apparatus or structure, e.g. duplex wall receptacle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
    • 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
    • H01R13/516—Means for holding or embracing insulating body, e.g. casing, hoods
    • H01R13/518—Means for holding or embracing insulating body, e.g. casing, hoods for holding or embracing several coupling parts, e.g. frames
    • 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 technical field of the invention is that of electrical outlet equipment.
  • the present invention relates to rotating electrical socket equipment and in particular rotating electrical multi-socket equipment.
  • a multi-electrical device block comprising an elongated rotatable movable box along an X axis, housing inside the electrical device mechanisms, a support and two rotation mechanisms opposite one to the other with respect to the axis X.
  • Each rotation mechanism comprises a cylindrical opening fixed with respect to the support comprising in its internal periphery a multitude of notches and teeth and on the other hand on the mobile case, a cylindrical part comprising on its outer periphery a multitude of notches and teeth adapted to cooperate with those of the cylindrical opening.
  • These notches and teeth form a plurality of stable angular positions of the movable case relative to the support and allow rotation by friction between the teeth and notches. Indeed, the projections pass from one notch to another by crossing a hard point to pass said housing from one stable angular position to another.
  • rotation mechanisms comprising a movable part comprising lugs and a fixed part comprising an abutment and an elastically mounted metal ball which allows step-by-step rotation in the notches of the movable part.
  • a mechanism entails regular greasing of the elastically mounted ball to prevent it from seizing up in the housing housing the ball, causing the user to feel blocked.
  • assembly is more complicated and can lead to additional production costs.
  • the invention offers a solution to the problems mentioned above, by making it possible to have electrical outlet equipment comprising an elastic rotation mechanism with notches.
  • the leaf spring which deforms wears less quickly than the friction between notches and is simple to fit.
  • the detent rotation mechanism has no elastically mounted ball requiring lubrication of the ball.
  • the abutment of the leaf spring to be integral with the support or the rotating active part makes it possible to have a simple assembly of the leaf spring which is removable in the support or the active part and therefore allows it to be in another material than that of the support or of the active part, thus making it easier to design and choose the notching spring effect as well as its wear. Indeed, this makes it possible to avoid choosing a more expensive or unsuitable material for the support or the active part in order to avoid wear of the leaf spring.
  • the Figure 1A shows a schematic representation a schematic view of an electrical outlet accessory according to a first example of a first embodiment.
  • the electrical outlet accessory 1 is an electrical multi-equipment unit, here a multiple outlet unit, intended to rest on a table or a work surface or even on a floor.
  • the electrical socket accessory 1 comprises an active part 11 elongated along an axis X, internally housing a plurality of electrical equipment mechanisms 12 such as current socket or switch mechanisms.
  • each plurality of electrical equipment mechanisms 12 comprises two earth plugs 122 and two female power supply plugs 121 but may, for example, comprise an earth plug and two female plugs or even other types of plugs according to the standards of the different countries of sale such as for example a USB port.
  • the electrical outlet accessory 1 comprises at least one support 13a, 13b.
  • the electrical socket accessory 1 comprises a first support 13a and a second support 13b to rest the electrical socket accessory 1 with the axis X parallel to a support, for example horizontal, on a table or a work plan or even on a floor but could comprise only one support 13a, 13b having the axis X perpendicular to a support, for example vertical with respect to a table.
  • the electrical outlet accessory 1 comprises a first and a second detent rotation mechanism 3a, 3b allowing the rotation of the active part 11 with respect to the first support 13a and the second support 13b respectively.
  • the figure 1B shows, in more detail, in exploded view, the second notch rotation mechanism 3b of part of the electrical outlet accessory 1 and the figure 1C shows a section of the electrical outlet accessory 1 at the level of the first detent rotation mechanism 3a.
  • the electrical outlet accessory 1 can also comprise a single detent rotation mechanism, for example the first detent rotation mechanism 3a.
  • the second support 13b comprises only a connection free of rotation along the axis X with respect to the active part 11.
  • the active part 11 can be a casing which preferably globally has the shape of a tube.
  • the active part 11 is formed in this example by assembling an upper cylindrical half-shell 110A and a lower cylindrical half-shell 110B.
  • the joint between the half-shells can be made by clipping or screwing, in this case by screwing.
  • the active part 11 further comprises in this example, a trim 111 which fills an opening of the upper half-shell 110A and which here defines a plurality of wells 111A for receiving electrical equipment mechanisms 12, in this case sockets current, aligned along the X axis of the active part 11.
  • a trim 111 which fills an opening of the upper half-shell 110A and which here defines a plurality of wells 111A for receiving electrical equipment mechanisms 12, in this case sockets current, aligned along the X axis of the active part 11.
  • Each reception well 111A comprises in its bottom two holes forming the female power plugs 121 for the passage of contact pins of an electrical plug and each reception well 111A here comprises two pins forming the earth plugs 122 which emerge in the receiving well 111A perpendicular to its bottom.
  • Said bezel 111 comprises, at one end, a button 111B for actuating a control switch of said multi-device unit.
  • the actuating key is in this case pivotable along an axis perpendicular to the axis of rotation X and makes it possible to cut off the electrical supply to all of the electrical equipment mechanisms.
  • the active part 11 comprises a first end 113a and a second end 113b opposite the first end 113a each mounted for rotation around the axis X in the first support 13a and the second support 13b respectively.
  • Each support 13a, 13b comprises a support element 130 comprising a circular housing each respectively surrounding the first and second ends 113a, 113b of the active part 11.
  • the internal periphery of the circular housing of the support element 130 of each support 13a, 13b is complementary with an outer peripheral surface of respectively each first and second ends 113a, 113b.
  • each support 13a, 13b is therefore intended to rest on a support surface (not shown) and the active part 11 is therefore an outer casing arranged with each support element 130 to extend above and to proximity to said support surface.
  • Each support 13a, 13b comprises two support feet 131 extending from the support element 130 intended to rest on the support surface.
  • each support foot 131 comprises an opening for fixing the feet to the support surface using a fixing member such as a screw or a rivet, as well as a rectangular-shaped opening for receiving a flexible plastic clamping collar with anti-return ratchet, also called cable clamp, for example of the type known under the “ Colson® ” brand or the “ Colring® ” brand allowing attachment to cylindrical or profiled tubular supports.
  • each support element 130 of the first and second support 13a, 13b comprises an opening through which the first and second ends 113a, 113b respectively of the active part 11 pass.
  • the first and the second end 113a, 113b, the second end 113b of which is particularly visible on the figure 1B comprises a shoulder having a solid radial surface closing the inside of the active part 11.
  • the shoulder comprises an outer periphery for centering and cooperating in rotation with an internal shoulder of the support element 130.
  • Each solid radial surface of the first and the second end 113a, 113b thus closes the opening of the corresponding support 13a, 13b.
  • the first and the second ends 113a, 113b of the active part 11 have an identical shape except in that the first end 113a comprises an axial opening crossed by the axis X, filled by a grommet 18 crossed by a power cable 8 visible in section on the figure 1C representing a radial section of the electrical outlet accessory 1.
  • the power cable 8 comprising at least one external part, not shown, and an internal part for connecting the electrical equipment mechanisms 12 to a network, in this case through the control switch.
  • the power cable 8 in this case comprises three wires for connecting the phase, neutral and earth plugs.
  • the grommet 18 extends axially outside the housing formed by the opening of the first support 13a.
  • the active part 11 comprises a radial opening and a grommet in the opening through which passes a power cable connected to the electrical equipment mechanisms 12.
  • the first support 13a comprises an axial opening and a grommet filling the opening, through which passes a power cable connected to the electrical equipment mechanisms 12 passing through an axial opening of the active part.
  • the rotation of the active part 11 in the support elements 130 of the supports 13a, 13b allows several turns of rotation.
  • the rotation is in this example limited by the torsion of the cable when the latter is connected to an electrical equipment mechanism to electrically supply the electrical equipment mechanisms 12.
  • the first and the second detent rotation mechanism 3a, 3b allows several turns around the axis of rotation X, of the active part 11 with respect to the first and second support 13a, 13b before twisting the cable blocking the rotation.
  • the cylindrical part may have an anti-rotation stop, such as for example that shown in a third example of this first embodiment shown in the picture 3 explained in detail below.
  • the rotation of the active part 11 in the support elements 130 is thus limited by this anti-rotation stop.
  • the rotation of the active part 11, with respect to the first and second supports 13a, 13b can take place over 360° minus the degree of the thickness of the anti-rotation stop, for example 258°.
  • the rotation limit makes it possible to prevent the electrical cables from being torn off and disconnected by undergoing torsional stresses during the rotation of the active part relative to the support part.
  • the electric cable has the advantage of not causing an electric arc or an electric fault with each step-by-step rotation of the active part 11 relative to the first and second supports 13a, 13b.
  • the anti-rotation stop can also prevent rotation beyond 180° to avoid turns of the cable around the active part 11.
  • the device may not have any limitation of the rotation by twisting the cable 8, comprising an electrical contact arm connection system sliding on a connection track, pivoting with the support 13a or the active part 11.
  • the tracks are each connected to plugs of the same potential of the mechanisms of electrical equipment 12 or to one of the conductors of the cable 8 and the contact arms are each connected respectively to one of the conductors of the cable 8 or to plugs of the same potential of the electrical equipment mechanisms 12.
  • the number of arms and tracks corresponding to the numbers of different potential, in this case three ( earth, neutral and phase).
  • the cable 8 comprises for each of these conductors a connection to a corresponding electrical contact arm of the connection system and a 360° track per contact arm, each located on the active part, insulated and offset from each other. , in that each plug of each electrical equipment mechanism 12 is connected to one of the corresponding tracks.
  • the cable 8 comprises a phase conductor connected to a phase arm, a neutral conductor connected to a neutral arm and an earth conductor connected to an earth arm, and the active part comprises three concentric circular tracks located for example on a radial face of end 113a.
  • the tracks can be on an outer radial face of the end 113a of a solid radial surface closing the inside of the active part 11 or an inner radial face of the radial surface through which the grommet 18 passes, mounted in rotation with this radial surface of the active part 11.
  • the tracks are mounted on an X-axis track shaft comprising rings forming a track like a ring commutator.
  • the raceway shaft extends in a housing of the support 13 comprising a radial surface closing the raceway shaft housing.
  • the contact arms can each be a conductive elastic strip prestressed against the corresponding track.
  • the track shaft can be fixed either to the support 13a or to the active part 11 and the contact arms are respectively fixed to the active part 11 or to the support 13a.
  • Each notch rotation mechanism 3a, 3b allowing the rotation of the corresponding support 13a, 13b with respect to the active part 11, comprises a leaf spring 30a, 30b forming a notch 300 and a cylindrical part 31a, 31b comprising notches 311 of complementary with the notch 300 of the leaf spring 30a, 30b.
  • the two leaf springs 30a, 30b are identical and the cylindrical part 31a, 31b are identical.
  • the supports 13a and 13b are also identical. This makes it possible to simplify the assembly and the manufacturing cost.
  • Each leaf spring 30a, 30b deforms elastically when the active part 11 rotates with respect to the corresponding support 13a, 13b from one angular position to another angular position.
  • the notch 300 of the leaf spring 30a, 30b is in contact with respectively one of the corresponding notches 311 of the cylindrical part 31a, 31b.
  • leaf spring 30a, 30b deforms makes it possible to have a notch 300 which wears less quickly than between plastic notches which rub against each other at each rotation solely by friction.
  • leaf spring 30a, 30b is simple to mount compared to an elastically mounted ball system requiring lubrication of the ball.
  • the leaf spring 30a, 30b is therefore removably mounted (removable) and can therefore be in another material.
  • each leaf spring 30a, 30b is metallic and the cylindrical part 31a, 31b comprising notches 311 is plastic.
  • each leaf spring 30a, 30b comprises a single notch 300, thus making it possible to reduce different sensations at each angular rotation step by step.
  • the fact of having a rotation mechanism 3a, 3b on each side of the active part 11 with respect to the supports 13a, 13b, makes it possible to reduce the sensation of a torque between the rotational connections of the part activates 11 and supports 13a, 13b.
  • each leaf spring 30a, 30b is integral in rotation with the active part 11 and the corresponding cylindrical part 31a, 31b is integral in rotation with the corresponding support 13a, 13b.
  • the notch mechanism 3a, 3b comprises a radial projection forming a balancing pin 1103 (of which that of the end 113A is visible on the figure 1A and 1 C ) facing the notches of the cylindrical part 31a, 31b and is diametrically opposed to the notch 300 of the leaf spring 3a, 3b.
  • each notch mechanism 3a, 3b comprises a balancing pin.
  • Each balancing pin 1103 extends radially towards the cylindrical part comprising a maximum radius less than the radius of the notch 300 of the leaf spring 3a, 3b.
  • the maximum radius with respect to the X axis is closer to the smallest radius of each tooth 312 than to the largest radius of each notch 311 of the active part to prevent it from being damaged quickly and changing the sensation of rotation between the two rotation mechanisms 3a, 3b for the user over time.
  • These balancing pins 1103 allow the balancing in position during the rotation, which can avoid the transfer by gravity of the active part 11 to only the leaf spring 30a, 30b. The games necessary for the rotation are thus partly guaranteed by these balancing pins and relieves the leaf spring of the weight of the active part in certain angular positions of the active part 11 with respect to the supports 13A, 13B.
  • an element “fixed in rotation” to another element it is meant that if an element rotates along the axis of rotation X the other element rotates along the axis of rotation X.
  • the leaf spring 30a, 30b with the active part 11 rotates along the axis of rotation X relative to the support 13a, 13b and the cylindrical part 31a, 31b rotates along the axis of rotation X with the corresponding support relative to the active part 11.
  • the leaf spring 30a, 30b deforms radially with respect to the axis of rotation X but could also, according to another example of the detent rotation mechanism not shown, deform parallel to the axis of rotation X .
  • the notch 300 of the leaf spring 30 is a rounded projection and the notches 311 of each cylindrical part 31a, 31b are each a recess or notch, complementary rounded between teeth 312 of the cylindrical part 31a , 31b.
  • the notches 311, of each cylindrical part 31a, 31b undulate with the teeth 312 on at least part of the peripheral internal surface of the support element 130 of the support 13.
  • the notches 311 of the cylindrical part 31a, 31b undulate with the teeth 312, over 360°, i.e. over the entire peripheral internal surface of the support element 130.
  • the leaf spring 30a, 30b is located radially to the interior of the cylindrical part 31a, 31b.
  • the leaf spring 30a, 30b is axially housed on a radial surface of the end 113 of the active part 11 and includes its notches 300 extending from this part towards the notches 311 of the support 13a, 13b , being located axially opposite the outside of the cylindrical part 31a, 31b.
  • each leaf spring 30a 30b comprises a plate comprising at least one portion extending longitudinally in a flat manner and a deformed part forming the notch 300.
  • the strip comprises two flat portions and the deformed part forming the notch 300 is located between the two flat potions.
  • each cylindrical part 31a, 31b is an internal peripheral part 130 of the corresponding support 13a, 13b and each leaf spring 30a, 30b comprises in this example, a stop 303i to be integral with the active part 11.
  • each leaf spring 30a, 30b comprises two abutments 303i each forming a hook to be anchored in a housing 113i of the active part 11.
  • the notch 300 of each leaf spring 30a, 30b in this case a rounded projection, is located approximately in the middle between the two stops 303i.
  • the housings 113i of the first leaf spring 30a and of the second leaf spring 30b are each formed respectively in the outer periphery of the first end 113a and the second end 113b.
  • Each housing 113i of the stops 303i of each leaf spring 30a, 30b thus makes it possible to hold the leaf spring 30a, 30b radially and axially with the walls of the support element 130.
  • first leaf spring 30a and the second leaf spring 30b are each mounted elastically constrained by having their hook-shaped stops 303i each in a housing 113i of the active part 11.
  • each housing 113i allows the deformation of the leaf spring 30a, 30b by allowing the planar portions extending longitudinally in a flat manner of the plate to deform radially towards the axis X while deforming the tabs hook-shaped stops 303i in the housing 113i.
  • the leaf spring therefore comprises two supports resting against two projections extending from each housing 113i to guide the deformation of the leaf spring. These two projections extend outwards from the outer peripheral surface comprising the housing between the corresponding hook and the notch 300 of the leaf spring.
  • each leaf spring 30a, 30b compresses elastically by sliding its notch 300 against an edge of a notch 311 of the cylindrical part 31a, 31b until it is against a tooth 312 between two notches 311 of the cylindrical part 31a, 31b while elastically deforming by compression and bending the leaf spring 30a, 30b by its bearings on the projections of the support each forming a bearing so that the blade spring deforms.
  • This deformation is therefore controlled and addition is radial with respect to the axis of rotation allowing it to rotate in both directions of rotation.
  • each leaf spring 30a, 30b expands elastically by sliding its notch 300 against an edge of a notch 311 until it is at the bottom of the notch 311 of the cylindrical part 31a, 31b.
  • the figure 2 shows a second example of a portion of a detent rotation mechanism 3 of the first embodiment, which can replace the first or/and the second rotation mechanism 3a, 3b.
  • the rotation mechanism 3 is identical to the first and second rotation mechanisms 3a, 3b except with regard to the following characteristics:
  • the leaf spring 30 of the rotation mechanism 3 is integral in rotation with one of the two supports, referenced support 13 and the cylindrical part 31 is integral in rotation with one end 113 of the active part 11, different from the ends 113a and 113b of the first example.
  • the leaf spring 30 is also located radially outside the cylindrical part 31 and therefore the cylindrical part 31 comprises notches 311 and teeth 312 which undulate on an outer periphery and not on an inner periphery as in the cylindrical part 31a , 31b of the first example.
  • the end 113 of the active part 11 comprises an opening 113C passing through and opening into the end 113 and the support 13 closes the opening 113C.
  • leaf spring 30 is different in that it comprises, in this example, an abutment 303a to be integral with support 13 and not a hook-shaped abutment 303i to be integral with active part 11 as in the first example.
  • the abutment 303a is an opening, called abutment opening 303a, located at a first longitudinal end, crossed by a stud 133a forming part of the support element 130 of the support 13.
  • the abutment opening 303a corresponds to the shape of the pad 133a.
  • the abutment opening 303a therefore passes through in this example a first planar portion of the lamella.
  • the leaf spring 30 further comprises a guide abutment 335b, in this case a peripheral surface surrounding a guide opening 335 located at a second longitudinal end opposite the first longitudinal end.
  • the guide opening 335 is located in the second planar portion of the lamella.
  • the guide opening 335 extends longitudinally in the planar portion of the slat by cooperating with a guide stop 133b of the support 13, in this case a guide stud 133b passing through the guide opening 335.
  • the guide stud 133b is part of the support element 130 of the support 13 but can be part of the active part as in a second example shown in picture 3 described in detail below.
  • the notch 300 in this case a rounded projection, is located between the abutment opening 303a and the guide opening 335, approximately in the middle.
  • the leaf spring therefore also comprises two supports which are supported on two shoulders of each guide abutment 133a, 133b each forming a support for the leaf spring for its deformation.
  • the leaf spring therefore comprises two abutments resting on the two shoulders and the notch is between the two abutments making it possible to control the deformation.
  • the notches 311 of the cylindrical part 31 undulate with the teeth 312 on at least part of the peripheral internal surface of the end 113 of the active part 11.
  • the leaf spring 30 can therefore be located radially inside the cylindrical part 31 or at least its notches 300.
  • the notches 311 of the cylindrical part 31 undulate with the teeth 312 on a radial surface of the end 113 of the cylindrical part 31 corresponding in this example to one end of the active part 11.
  • the cylindrical part 31 comprises projections forming notches and the leaf spring 50 is a lamella having flat portions and a recess forming a notch located in an angular position in one of the projections forming notches of the cylindrical part 31 and in that each end of the recess forming a notch extending from the flat portions of the leaf spring is adapted to elastically deform the leaf spring by bending by resting on a projection forming a notch of the cylindrical part to pass from one projection to another notch-forming projection of the cylindrical part.
  • the teeth 312 and hollow 311 of the cylindrical part can be identical to this example shown except in that it is the teeth 312 which form the notches and the leaf spring comprises a hollow instead of the projection for form a notch receiving a tooth from the cylindrical part.
  • the leaf spring 30 when the active part 11 is turned relative to the support 13, the leaf spring 30 will initially deform from an initial position in which the active part 11 was stable relative to the support 13, to a deformed position by progressively pressing notch 300 against a tooth 312 contiguous to notch 311 housing notch 300 in the initial position.
  • the projection of the notch 300 will enter the neighboring hollow notch 311 thus allowing the leaf spring to pass from the deformed position to the initial position in a new hollow 311.
  • the leaf spring 30 When passing from the initial position to the position deformed, the leaf spring 30 will deform elastically by bending, in this case radially, bringing its second end closer to the guide stud 133b sliding in the guide opening 335.
  • the notch 300 of the leaf spring 30 When passing from the deformed position to the initial position , the notch 300 of the leaf spring 30 will enter a notch 311 returning to its initial position and moving its second end away from the guide stud 133b sliding in the guide opening 335. This deformation is therefore controlled and further is radial with respect to the axis of rotation allowing it to rotate in both directions of rotation.
  • each cooperation of the notch 300 with the complementary notches 311 form a stop means for positioning said active part 11 according to a plurality of stable angular positions relative to the support 13.
  • the picture 3 partially represents a third example of an electrical socket accessory 1' represented without its electrical equipment mechanisms 12 according to the first embodiment.
  • This third example is different from the second example of the first embodiment in that the electrical socket accessory 1' is a power strip, the support 13' of which comprises a male electrical device mechanism 12, not shown.
  • the electrical outlet accessory 1' does not include an external power cable and the support 13' does not include a foot.
  • the electrical socket accessory 1' comprises in this example, an electrical connection device allowing the plugs of the electrical fitting mechanisms 12 of the active part to be connected to the respective plugs of the male electrical fitting mechanism 12 of the support 13', for example by electric cables, or a system with pivoting contact arms with the support 13'.
  • the electric cable has the advantage of not causing an electric arc or an electric fault with each rotation.
  • the third example is similar to the second example except for the differences described below.
  • the active part 11' surrounds the support 13'.
  • the active part 11' comprises three reception wells 111A oriented differently from one another, such as a triplet.
  • the active part 11' could comprise a single well allowing it to have a rotary grip.
  • the active part 11' is represented on the picture 3 without a half-shell and without its electrical equipment mechanisms 12 in order to see the detent rotation mechanism 3'.
  • the rotation mechanism with notches 3' is similar to the first example and different from the second example in that the support 13' comprises the cylindrical part 31 comprising notches 311 at an end opposite the male plugs of the electrical equipment mechanism 12 and therefore in that the active part 11' comprises the leaf spring 30' comprising the notch 300.
  • the variants described previously concerning the rotation mechanism with notches 3a, 3b in the first and second example are also compatible with this third example.
  • the cylindrical part 311 extending from the support element 130' comprises a rotation stop 134 limiting the rotation of the active part 11 in the bearing elements 130 to 180°.
  • This anti-rotation stop 134 bears against the half-shell, not shown, of the active part 11'.
  • the cylindrical part 311 therefore comprises in this third example notches 311 only over 180°.
  • the rotation of the active part 11 relative to the support 13' can take place over 360° minus X degrees corresponding to the rotation stop 134 by including notches 311 over 360° of the cylindrical part 311.
  • the figure 4 shows an example of a second embodiment of electrical outlet accessory 2.
  • the electrical socket accessory 2 comprises an active part 21 of an electrical multi-device block, similar to that of the first example of the figure 1 , which is elongated along an axis X, internally housing a plurality of electrical equipment mechanisms 12 such as socket or switch mechanisms similarly to those of the first embodiment.
  • the electrical outlet accessory 2 comprises a support 23 different from the first example of the first embodiment in that in this example the electrical outlet accessory 2 comprises only one support 23 having the axis X perpendicular to a support, for example vertical with respect to a table.
  • This example of this second embodiment has the advantage of having a single rotation mechanism 5 and thus has no problem of sensation of torsion in the event of a malfunction of one of the two rotation mechanisms of the first example of the first embodiment.
  • the electrical socket accessory 2 of this second embodiment can be a multi-electrical device block such as in the example of the figure 1 or a power strip from the example of the picture 3 but has a rotation mechanism 5 between the support 23 and the active part 21 different from the first embodiment, described below in detail.
  • the figures 5A to 5C represent an example of a notch rotation mechanism 5 according to the second embodiment of an electrical outlet accessory 2.
  • the detent rotation mechanism 5 comprises a leaf spring 50 which is a blade surrounding at least partly the axis of rotation X.
  • the leaf spring 50 surrounds the 360° axis of rotation.
  • the lamella is a washer surrounding the axis of rotation through 360° but could be, according to another example, a crown.
  • the leaf spring 50 comprises several notches 500, which are in this case regularly distributed to allow different mounting positions and a balancing of sensation of torque.
  • the notches 500 are at least two and in this example there are two, a first notch 500a diametrically opposed to a second notch 500b.
  • the leaf spring therefore comprises two flat portions forming the washer and each deformed part forming a notch 500 is located between the two flat potions.
  • the notches 500 are as in the examples of the first embodiment a rounded projection but could also be a hollow as explained in the first embodiment.
  • the leaf spring 50 deforms parallel to the axis of rotation X but could deform as in the examples of the first embodiment perpendicular to the axis of rotation X.
  • the detent rotation mechanism 5 comprises a cylindrical part 51 having detents 511 which undulate with teeth 512 between each detent 511 on a radial surface of the cylindrical part 51 different from the examples shown of the first embodiment in which the detents 511 undulate with teeth 512 on a peripheral surface.
  • Each hollow 511 has the shape of a conical portion widening from an internal diameter of the cylindrical part 51 towards an external diameter of the cylindrical part 51.
  • the notches 511 and the teeth 512 are rounded forming waves undulating angularly along the radial surface of the cylindrical part 51, in this case in this example over 360°.
  • the cylindrical part 51 further comprises a rotation stop 514 making it possible to limit the rotation of a first element fixed in rotation to the cylindrical part 51 with respect to a second element fixed in rotation to the leaf spring 50. This rotation stop 514 therefore comes into abutment against another abutment of the second element.
  • the leaf spring 50 is therefore axially opposite this radial surface of the cylindrical part 51 and deforms axially elastically by bending when the cylindrical part 51 rotates relative to the leaf spring 50.
  • the first notch 500a and the second notch 500b are each located respectively in a first hollow 511a and second hollow 511b each forming a notch 511.
  • each projection of the first notch 500a and second notch 500b will fit into the hollow notch 511 adjacent respectively to the first hollow 511a and second hollow 511b, thus allowing the leaf spring 50 to pass from the deformed position to the initial position .
  • the leaf spring 50 When passing from the initial position to the deformed position, the leaf spring 50 will therefore deform elastically by bending, in this case axially, by pressing its notches 500a, 500b on the teeth 512 and against axial stops 503a, 503b explained in detail below.
  • the two axial stops each form a support for the deformation of the leaf spring.
  • Each notch is located between these two axial stops.
  • the notches 500 of the leaf spring 50 When passing from the deformed position to the initial position, the notches 500 of the leaf spring 50 will enter a notch 511 on returning to its initial position.
  • the leaf spring 50 is therefore mounted in a housing allowing freedom of flexion;
  • the leaf spring 50 deforms perpendicularly to the axis of rotation X
  • the leaf spring 50 comprises portions separated from the cylindrical part 51, for example at the level of the stops so as to allow the deformation of the leaf spring 50 .
  • the leaf spring 50 is in this example of this embodiment mounted fixed in rotation with the active part 21 which is therefore the second element and the cylindrical part 51 is mounted fixed with the support 23 which is therefore the first element.
  • the cylindrical part 51 is one end of the support 23.
  • the leaf spring 50 comprises at least one axial and rotation stop 503a, 503b to prevent it from rotating and to take support axially with respect to the second element housing it, in this case with respect to the active part 21.
  • the leaf spring 50 comprises a first stop 503a and a second stop 503b which extend axially from the washer part, in the other direction than the first notch 500a and second notch 500b.
  • the stops 503a, 503b and the notches 500a, 500b are regularly distributed angularly in an alternating manner.
  • the figure 6 schematically represents an exploded three-dimensional view of a portion of electrical outlet accessory 2 according to the second embodiment.
  • the active part 21 also comprises two lower 210B and upper 210A half-shells.
  • the support 23 comprises in this example the cylindrical part 51 which is surrounded by the ends of the two lower 210B and upper 210A half-shells together forming the housing for the leaf spring 50.
  • the figure 7 schematically represents a three-dimensional view in partial section of a portion of electrical outlet accessory 2 according to the second embodiment.
  • the upper half-shell 210A is not shown and the lower half-shell 210B of the electrical outlet accessory 2 is cut along a plane perpendicular to the axis X of rotation.
  • the leaf spring 50 includes a guide stop 535b to guide the deformation of the leaf spring 50 by cooperating with a guide stop 235 of the support or of the active part.
  • the leaf spring 50 comprises a central opening 535 forming with its peripheral surface surrounding the opening the guide abutment 535b and the support 23 comprises a guide abutment 235 formed by a cylindrical centering portion extending axially at the interior of the central opening 535 thus centering the leaf spring 50 to guide it during its installation and its elastic deformation by bending.
  • the support 23 comprises a groove 25 to receive a semi-cylindrical internal shoulder 215A of the upper half-shell 210A and another semi-cylindrical internal shoulder 215B of the lower half-shell 210B visible on the figure 8 .
  • the figure 8 schematically represents a three-dimensional view in partial section of another electrical socket accessory portion according to the second embodiment.
  • the support 23 is not shown and the lower half-shell 210A of the electrical outlet accessory 2 is cut along an angular plane with respect to the axis X of rotation.
  • the active part 21 comprises at least on one of its half-shells 210A, 210B, support points 214 visible on the figure 8 , for example in stops with the anti-rotation stops 503a and 503b thus allowing the leaf spring 50 to flex elastically when its two notches 500 are resting against the teeth 512.
  • each half-shell 210A, 210B includes end of deflection stops 2140 to help guide the shape of the elastic deformation by deflection of the leaf spring 50 in order to prevent the latter from deflecting in a plastic deformation.
  • the end of deflection stops 2140 in the form of support ribs have an axial height dimensioned to provide the necessary and sufficient play for the deformation of the leaf spring 50.
  • leaf spring 50 is sandwiched between the cylindrical part 51 comprising notches 511 and the support points 214.
  • the active part 11 comprises in this example a trim 211 as in the first example of the first mode embodiment, which protrudes from the upper half-shell 210A.
  • the trim 211 defines a plurality of wells 111A for receiving electrical equipment mechanisms 12, in this case sockets, aligned along the axis X of the active part 11.
  • the leaf spring 50 is integral with the support and the active part comprises the cylindrical part comprising the notches.
  • the accessory comprises several rotation mechanisms, for example it comprises one between a second support and the active part or the accessory further comprises a rotation mechanism between two portions rotatable with respect to each other of the active part making it possible to be able to orient electrical equipment mechanisms in different angular orientations.
  • the active part can comprise several half-shells, in particular in the case of two rotating portions. The two portions rotating relative to each other of the active part can be oriented along other axes of rotation, for example perpendicular to the axis of rotation X.
  • the support may also comprise one or more electrical equipment mechanisms.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connecting Device With Holders (AREA)
  • Adjustable Resistors (AREA)
  • Toys (AREA)
EP21159330.6A 2020-03-03 2021-02-25 Accessoire de prise électrique rotatif Active EP3876363B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2002140A FR3107993B1 (fr) 2020-03-03 2020-03-03 Accessoire de prise électrique rotatif

Publications (2)

Publication Number Publication Date
EP3876363A1 EP3876363A1 (fr) 2021-09-08
EP3876363B1 true EP3876363B1 (fr) 2022-11-02

Family

ID=70918596

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21159330.6A Active EP3876363B1 (fr) 2020-03-03 2021-02-25 Accessoire de prise électrique rotatif

Country Status (4)

Country Link
EP (1) EP3876363B1 (zh)
CN (1) CN113871982A (zh)
ES (1) ES2937418T3 (zh)
FR (1) FR3107993B1 (zh)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100682724B1 (ko) * 2006-11-08 2007-02-16 주식회사 에디슨전기 회전형 전기 콘센트

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2897724B1 (fr) 2006-02-22 2008-10-17 Legrand France Bloc multiappareillage orientable
FR2974457B1 (fr) * 2011-04-21 2014-01-17 Legrand France Bloc multi-appareillages equipe d'un connecteur mobile en translation
CA2888023C (en) * 2014-04-15 2019-09-24 Norman R. Byrne Rotatable power center for a work surface

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100682724B1 (ko) * 2006-11-08 2007-02-16 주식회사 에디슨전기 회전형 전기 콘센트

Also Published As

Publication number Publication date
FR3107993A1 (fr) 2021-09-10
CN113871982A (zh) 2021-12-31
EP3876363A1 (fr) 2021-09-08
ES2937418T3 (es) 2023-03-28
FR3107993B1 (fr) 2023-05-12

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