EP0473562A1 - Ausziehgerät für einen elektrischen Stecker - Google Patents
Ausziehgerät für einen elektrischen Stecker Download PDFInfo
- Publication number
- EP0473562A1 EP0473562A1 EP91870124A EP91870124A EP0473562A1 EP 0473562 A1 EP0473562 A1 EP 0473562A1 EP 91870124 A EP91870124 A EP 91870124A EP 91870124 A EP91870124 A EP 91870124A EP 0473562 A1 EP0473562 A1 EP 0473562A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plug
- socket
- control element
- support
- extraction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
- H01R13/635—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only by mechanical pressure, e.g. spring force
Definitions
- the present invention relates to electrical current plugs and more particularly relates to a device making it possible to easily extract such a plug from a standard electrical outlet in which it has been positioned.
- plugs are commonly used for household appliances such as vacuum cleaners, fryer, robot, etc.
- Such a device would also have the advantage of eliminating any risk of electrocution run by any user who tears off the socket or the electric cable while trying to extract a plug.
- the object of the present invention is therefore to remedy the aforementioned drawbacks by proposing a simple, reliable and economical means for extracting an electric current plug while avoiding any tearing of the socket in which it has been positioned and / or of the electric cable.
- a second object of the invention is to provide the approval of a simple and easy-to-use command.
- a third object of the invention is to provide a single command making it possible to extract the electric current plug from the socket cooperating with it, and with ergonomics such that the user is not tempted to grasp the electric cable.
- a fourth aim is to provide an electrical current plug provided with an extraction means according to the invention, which is housed in existing electrical current sockets and therefore does not require any fundamental or costly modification.
- a fifth aim is to propose a means of extracting an electrical current plug which can be easily mounted on existing plugs.
- a sixth aim of the invention is to propose a file provided with the device according to the invention, using standard elements and already approved by the various security and / or standardization organizations so as to avoid administrative approval procedures.
- a seventh object of the invention is to provide an electrical outlet provided with an extraction means according to the invention.
- An eighth object of the invention is to propose a protective plate for an electrical outlet provided with the device which is the subject of the invention and intended thus easily replacing existing protective pads.
- the device which is the subject of the invention is essentially characterized by the content of the main claim.
- a plug 8 provided with the extraction device according to the invention, mainly comprises four parts: a body 10, a support 12, a ring-shaped pushing member 30 and a control element 50.
- a standard card comprises a support 12 and a body 10.
- the body 10 which is substantially cylindrical, has a shape and a profile such that it can be introduced into any standard socket, especially in EEC countries and adapts to the support 12 on which the electric current conductors 18 are fixed ensuring transmission of electrical energy and a so-called "earth" connection 14.
- a screw 16 secures the support 12 to said body 10.
- the support is a standard part approved by all the safety and / or standardization organizations.
- an opening 22 ensures the passage of an electric cable 23 connected to the conductors 18 and to the connection of "ground" 14.
- a pawl 11 is located axially on the rear face of the body 10 also comprising a stud 21 and the guide rails 20 include a groove 24 in which a spring 26 is embedded to ensure after the 'actuation of the extraction device, the return of the ring 30 and the control handle 52 in their inoperative position.
- the ring 30 is guided by said body 10 so as to obtain an axial relative movement between said ring 10 and said body 10, and in particular comprises two diametrically opposed profiles 32 as well as two guide grooves 38 on its internal surface which each trap a guide rail 20.
- a stud 36 is incorporated at the bottom of each of the guide grooves 38 to cooperate with the corresponding spring 26.
- an opening 34 allows the lateral passage of the electric cable 23.
- the movable control element 50 comprises a control handle 52, a cover 54 while a cutout 56 made in the cover 54 ensures the passage of the electric cable 23 when the latter leaves laterally.
- Two cams 60 placed in diametrically opposite manner close to the internal surface of the cover 54 cooperate with the two diametrically opposed profiles 32 of the ring 30. These cams have an inclination of approximately 30 °.
- a circular groove 58 is intended to receive the pawl 11 to secure said control element 50 and the body 10 and prevent any subsequent disassembly, which is desired by certain standards.
- the internal surface 51 of the control element 50 comprises an annular depression 53 cooperating with the stud 21 to limit the movement of the control element 50.
- FIG. 2 the housing of a standard electrical outlet 70 fixed in a wall. It includes a protective plate 71, two sockets or contact clamps 72 under permanent voltage, serving to trap the electric current conductors 18 of a standard plug and a pin 74 representing the "earth" and fitting into the connection 14 made in the support 12 of any electrical plug.
- FIG 3 there is shown the housing of a standard electrical outlet in which is fitted an electrical current plug such as shown in Figure 1.
- the conductors 18 are trapped in the sockets 72, while the front surface 40 of the ring 30 is in the immediate vicinity of the flange 80 of the protective plate 71 of the housing the power outlet.
- the distance between the end of the rim 80 of the protective plate 71 and the front surface of the support 12 when the plug 8 is positioned in the socket 70 remains the same regardless of the type of socket used (visible, recessed, flying socket, etc.) because it is standardized.
- the rim 80 has a standardized shape and profile so that the socket housing 70 only accepts plugs which meet the standards in force.
- the user connects the device that he wishes to use, provided with the electric current plug according to the invention, as he is used to doing, simply by inserting the plug 8 fully in socket 70.
- This axial force firstly has the effect, if necessary, of displacing and positioning the front surface 40 of the ring 30 against the flange 80 of the protective plate 71 which then serves as a shoulder.
- the movement of the ring 30 is then limited, the continued rotation movement of the handle 52 ensures the axial movement of the body 10 and of the support 12 relative to the ring 30 which is stationary and therefore the withdrawal of the assembly "support (12) - body 10" of the plug 8 (arrow F2 FIG. 4) from the housing of the socket 70.
- the withdrawal of the current plug requires only a minimum of effort and at no time can the user tear off the plug or the electric cable.
- the cutout 56 of the control element 50 is of course dimensioned such that at no time, during the rotation of the handle 52, the cover 54 does not interfere with the electric cable 23.
- a sheet 8 provided with the device which is the subject of the invention does not require any particular approval since it incorporates standard elements such as the support 12 which are standardized and approved by all the organizations concerned.
- the device which is the subject of the invention not only facilitates the extraction of plugs but simultaneously it guarantees greater security for the user and since the front surface 40 of the ring 30 rests on the socket 70, it eliminates any tearing force transmitted to the electrical socket, thus ensuring the immobility of the latter, of the contact sockets, of the electrical conductors and of its installation housing.
- the prototype sheet 8 described above includes a standard support 12 approved by all the European organizations concerned; the internal volume of the body 10 corresponds to the volume provided by any existing plug for housing, connection and fixing of the electric cable; finally the ring-shaped thrust member 30 and the handle 52 of the control element 50 are of a diameter such that the plugs according to the invention can easily be placed side by side in strips, double socket or multiple and be removed using the device object of the invention without any discomfort or interference.
- the length of the ring 30 is such that at the end of movement of the control element 50 for the extraction of the plug 8, the conductors 18 are entirely disengaged from the contact sockets or clamps 72; thus the plug 8 is completely separate from the socket 70.
- a central and coaxial opening allows the passage of the electric cable.
- the pawl now and guiding the handle is located at the periphery of this opening.
- the handle 52 is also provided with an axial opening 59 ( Figure 4).
- the support 12 being a standardized and therefore standard part, it is easy to place on the market the extraction device consisting of the assembly of parts 10, 30 and 50, namely the body, the ring and the control element , the user then simply having to remove the support 12 from the existing body and fix it in this assembly using screw 16.
- the plug comprises a substantially cylindrical support 112 and acting as a body 10; the device which is the subject of the invention comprising two parts, namely a ring-shaped pushing member 130 which is concentric and in contact with the external surface of the support 112 itself, and a control element 150, which is concentric and precisely adjusted around the rear section of the ring 130.
- the front surface 140 of the ring 130 is close to the front face of the support 112 and therefore of the bottom surface 73 of the socket 70.
- Guide ribs are present on the outer surface of the support 112 and cooperate with guide grooves on the internal surface of the ring 130 to allow relative axial movement between the ring 130 and the support 112.
- springs are placed inside the guide ribs and cooperate with studs placed inside the ring 130.
- Two diametrically opposite cams 160 are also placed near the cover 154 of the control element 150 and cooperate with the profiles 132 of the ring 130.
- the standard guide rails imposed by certain standards are themselves provided on the outer surface of the ring 130.
- a retainer 163 makes the element of control 150 secured to the support 112 while allowing them a relative rotational movement.
- Nipples 121 are also provided on the internal surface of the control element 150 and cooperate with annular depressions 153 formed in the rear face of the support 112 to limit the rotary movement of the control element 150, preferably at around 90 ° .
- the cable leaves the socket axially and for this, an axial opening 159 is provided in the control element 150.
- the cams 160 preferably have an angle of 30 ° to provide a mechanical advantage and a force ratio of approximately 3: 1 and thus allow easy removal of the plug by a user by turning the control element with only hand force.
- the plate protection 71 of a socket 70 fitted with the extraction device according to the invention comprises a ring-shaped rim 80 in which three axial slots 81 are made, preferably distributed at 120 ° from one another.
- This rim 80 receives a cup-shaped pushing member 90 whose outer surface comes close to the inner surface of said rim, the cup 90 being provided with three pins 91 which engage in the three slots 81 of the rim 80 of such so that the cup 90 can move by an axial movement relative to the rim 80.
- This cup 90 also has two openings 92 corresponding to the openings 82 made in the protective plate 71 to allow the passage of the conductors 18 of a standard plug, while the opening 93 corresponds to the opening 83 allowing the passage of the pin 74 of "earth". Finally, an opening 94 allows the passage of a screw fixing the plate 71 to the socket 70 via the opening 84, in a conventional manner and therefore not described.
- a control element 100 of annular shape, mounted on the outer periphery of the flange 80 and guided in rotation by the latter comprises three inclined slots 101, in which engage the pins 91 of the cup 90, as well as a lever control 102.
- a spring 103 one end of which is fixed to said control lever 102 and the other to one of the pins 91, ensures the return of the control element 100 to the rest position, position in which the cup 90 comes against the bottom surface 73 of the plate 71 and therefore allows the user to position a standard plug in the socket 70 (FIG. 8).
- Two lateral plates 200 guide and maintain the control element 100.
- Such a standard plug comprises a body 10 and a support 12 to which current conductors 18 are fixed and a so-called "earth" connection 14.
- the rotation of the control element 100 and therefore the movement of the slots 101 ensure the movement of the pins 91 along the slots 81 and therefore an axial movement of the cup 90 relative to the socket 70 (Figure 9).
- the bottom of the cup 90 comes to bear by exerting an axial force on the front surface of the support 12 of the electrical plug, the latter is then moved axially in the direction of the arrow F2 and the plug is therefore removed from the taken.
- the spring 103 returns the control element to the rest position; the cup 90 is then brought back to the bottom surface 73 of the socket in which any standard electrical plug can then be positioned.
- this cup-shaped thrust member 90 may have any other shape (cylindrical, annular, triangular, ...) as long as it cooperates with the support 12 of the plug to ensure the extraction of the plug while by allowing the passage of the conductors 18 and of the pin 74.
- the protective plates 71 of the electrical outlets are standard and standardized elements, it is conceivable to place on the market a plate 71 provided with the device according to the invention as shown in FIG. 7, the user then being able to easily replace any existing plate by such a plate 71.
- the device object of the invention ensures the extraction of an electrical plug while exerting on the socket housing an opposite force so as to keep this socket stationary and therefore avoid any possibility of tearing. On the other hand, no traction is exerted at any time on the electric cable.
- the preferred angle of the cams is of the order of 30 °, this angle can of course vary depending on the particular application and the extraction force to be produced. In practice, for the various prototypes produced, this angle varies between 20 ° and 40 ° depending on the desired displacement and the force required.
- the angle of the surfaces of the cams and of the associated profiles is straight, these surfaces can be curvilinear so that the manual force exerted during the withdrawal of a grip is practically constant.
- the surface is slightly inclined in its first half, corresponding to the force required for the withdrawal of the conductors from the grip of the sockets and which requires significant effort, while it is more inclined in the second half of its movement, which corresponds to the final removal of the plug from the taken, and therefore to a less significant effort.
- the socket 70 is always shown fixed in a wall, it should be noted that it can be independent (case of electrical extension cords), the device object of the invention retaining all its advantages .
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP94111084A EP0623975B1 (de) | 1990-08-16 | 1991-08-14 | Ausziehgerät für einen elektrischen Stecker |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE9000790A BE1004372A3 (fr) | 1990-08-16 | 1990-08-16 | Dispositif d'extraction d'une fiche de courant electrique. |
BE9000790 | 1990-08-16 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94111084.3 Division-Into | 1994-07-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0473562A1 true EP0473562A1 (de) | 1992-03-04 |
EP0473562B1 EP0473562B1 (de) | 1995-03-08 |
Family
ID=3884900
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91870124A Expired - Lifetime EP0473562B1 (de) | 1990-08-16 | 1991-08-14 | Ausziehgerät für einen elektrischen Stecker |
EP94111084A Expired - Lifetime EP0623975B1 (de) | 1990-08-16 | 1991-08-14 | Ausziehgerät für einen elektrischen Stecker |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94111084A Expired - Lifetime EP0623975B1 (de) | 1990-08-16 | 1991-08-14 | Ausziehgerät für einen elektrischen Stecker |
Country Status (7)
Country | Link |
---|---|
US (1) | US5171291A (de) |
EP (2) | EP0473562B1 (de) |
JP (1) | JPH04233175A (de) |
AT (2) | ATE134461T1 (de) |
BE (1) | BE1004372A3 (de) |
DE (2) | DE69117309T2 (de) |
ES (2) | ES2083885T3 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0586359A1 (de) * | 1992-09-02 | 1994-03-09 | Staar Societe Anonyme | Automatisches Entkuppeln von Steckern und elektrischen Steckdosen |
CN107039848A (zh) * | 2015-12-22 | 2017-08-11 | 韦伯斯特生物官能(以色列)有限公司 | 防止端子之间的不期望接触 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5480313A (en) * | 1992-09-02 | 1996-01-02 | Staar S.A. | Automatic disconnect mechanism for electrical terminal fittings |
US5429516A (en) * | 1994-05-05 | 1995-07-04 | Staar S.A. | Electrical plug-socket adaptor with disconnect mechanism |
US5447443A (en) * | 1994-05-20 | 1995-09-05 | Ramah; Gary J. | Revolving electrical plug removal actuator |
US5938466A (en) * | 1995-08-09 | 1999-08-17 | Sumitomo Wiring Systems, Ltd. | Connector device having spring mechanism |
HUP9800607A1 (hu) * | 1998-03-19 | 1999-11-29 | László Sándor | Villamos csatlakozó dugó |
US7138103B2 (en) | 1998-06-22 | 2006-11-21 | Immunomedics, Inc. | Use of bi-specific antibodies for pre-targeting diagnosis and therapy |
US6165002A (en) * | 1998-12-30 | 2000-12-26 | Garmin Corporation | Electrical connector apparatus |
US6364675B1 (en) | 2000-12-06 | 2002-04-02 | Bonnie Brauer | Electrical connector with tension disconnect |
AT410617B (de) * | 2001-04-18 | 2003-06-25 | Martin Burian | Löse- bzw. abziehvorrichtung für elektrische steckverbindungen |
DE10143219A1 (de) * | 2001-09-04 | 2003-03-20 | Heinrich Kopp Ag, 63796 Kahl | Netzsteckeradapter |
US6773289B1 (en) * | 2003-11-25 | 2004-08-10 | Allis Electric Co., Ltd. | Electrical plug mechanism and electrical receptacle for electrical cell |
US7101215B2 (en) * | 2004-03-31 | 2006-09-05 | Hewlett-Packard Development Company, L.P. | Cable plug retention clip |
US9531124B2 (en) | 2014-12-10 | 2016-12-27 | Leo Ohler | Electrical plug removal device |
DE102020114197B3 (de) | 2020-05-27 | 2021-08-05 | REVONEER GmbH | Schutzgehäuse für elektrische Stecker |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1138364A (en) * | 1965-04-30 | 1969-01-01 | Plessey Co Ltd | Improvements in or relating to mechanical coupling means, more particularly for the coupling of two electrical connector members |
US4045106A (en) * | 1976-02-17 | 1977-08-30 | Borg John P | Automatic electrical plug release |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2161353A (en) * | 1937-04-30 | 1939-06-06 | Hummel Henry | Electric plug |
US2551382A (en) * | 1950-01-17 | 1951-05-01 | Herbert F Lindsay | Rotatably released electric plug |
US4042292A (en) * | 1975-08-11 | 1977-08-16 | Chensky Frank T | Wall plate structure |
HU208882B (en) * | 1991-05-03 | 1994-01-28 | Prodax Kft | Receptactle with ejector work for connecting electric consumer |
-
1990
- 1990-08-16 BE BE9000790A patent/BE1004372A3/fr not_active IP Right Cessation
-
1991
- 1991-08-14 JP JP3228651A patent/JPH04233175A/ja active Pending
- 1991-08-14 EP EP91870124A patent/EP0473562B1/de not_active Expired - Lifetime
- 1991-08-14 AT AT94111084T patent/ATE134461T1/de not_active IP Right Cessation
- 1991-08-14 AT AT91870124T patent/ATE119714T1/de not_active IP Right Cessation
- 1991-08-14 DE DE69117309T patent/DE69117309T2/de not_active Expired - Lifetime
- 1991-08-14 EP EP94111084A patent/EP0623975B1/de not_active Expired - Lifetime
- 1991-08-14 US US07/744,510 patent/US5171291A/en not_active Expired - Lifetime
- 1991-08-14 ES ES94111084T patent/ES2083885T3/es not_active Expired - Lifetime
- 1991-08-14 DE DE69107937T patent/DE69107937T2/de not_active Expired - Fee Related
- 1991-08-14 ES ES91870124T patent/ES2071972T3/es not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1138364A (en) * | 1965-04-30 | 1969-01-01 | Plessey Co Ltd | Improvements in or relating to mechanical coupling means, more particularly for the coupling of two electrical connector members |
US4045106A (en) * | 1976-02-17 | 1977-08-30 | Borg John P | Automatic electrical plug release |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0586359A1 (de) * | 1992-09-02 | 1994-03-09 | Staar Societe Anonyme | Automatisches Entkuppeln von Steckern und elektrischen Steckdosen |
BE1006139A3 (fr) * | 1992-09-02 | 1994-05-24 | Staar Sa | Desengagement automatique de fiches electriques. |
CN107039848A (zh) * | 2015-12-22 | 2017-08-11 | 韦伯斯特生物官能(以色列)有限公司 | 防止端子之间的不期望接触 |
Also Published As
Publication number | Publication date |
---|---|
ES2071972T3 (es) | 1995-07-01 |
DE69107937D1 (de) | 1995-04-13 |
EP0623975B1 (de) | 1996-02-21 |
US5171291A (en) | 1992-12-15 |
BE1004372A3 (fr) | 1992-11-10 |
DE69107937T2 (de) | 1995-07-13 |
DE69117309T2 (de) | 1996-07-11 |
DE69117309D1 (de) | 1996-03-28 |
EP0623975A2 (de) | 1994-11-09 |
ES2083885T3 (es) | 1996-04-16 |
EP0623975A3 (de) | 1994-12-28 |
EP0473562B1 (de) | 1995-03-08 |
ATE119714T1 (de) | 1995-03-15 |
ATE134461T1 (de) | 1996-03-15 |
JPH04233175A (ja) | 1992-08-21 |
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