EP0512208A1 - Appareil d'installation électrique, notamment prise de sécurité avec protection pour enfants - Google Patents

Appareil d'installation électrique, notamment prise de sécurité avec protection pour enfants Download PDF

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Publication number
EP0512208A1
EP0512208A1 EP92103428A EP92103428A EP0512208A1 EP 0512208 A1 EP0512208 A1 EP 0512208A1 EP 92103428 A EP92103428 A EP 92103428A EP 92103428 A EP92103428 A EP 92103428A EP 0512208 A1 EP0512208 A1 EP 0512208A1
Authority
EP
European Patent Office
Prior art keywords
slide
housing
installation device
spring
electrical installation
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
Application number
EP92103428A
Other languages
German (de)
English (en)
Other versions
EP0512208B1 (fr
Inventor
Güunter Konstrukteur Weingärtner
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.)
Gira Giersiepen GmbH and Co KG
Original Assignee
Gira Giersiepen GmbH and Co KG
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
Priority claimed from DE19914114431 external-priority patent/DE4114431C1/de
Application filed by Gira Giersiepen GmbH and Co KG filed Critical Gira Giersiepen GmbH and Co KG
Publication of EP0512208A1 publication Critical patent/EP0512208A1/fr
Application granted granted Critical
Publication of EP0512208B1 publication Critical patent/EP0512208B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/44—Means for preventing access to live contacts
    • H01R13/447—Shutter or cover plate
    • H01R13/453—Shutter or cover plate opened by engagement of counterpart

Definitions

  • the invention relates to an electrical installation device, in particular an earthed socket with a child protection device, in the housing of which a spring-loaded slide is mounted in such a way that it is both longitudinally displaceable and pivotable to a limited extent, the limited pivotability of the slide leading to its blocking while with simultaneous insertion of the plug pins of the associated plug, the slide can be brought into its open position.
  • a first known group is a socket protection for plugging into safety sockets.
  • Socket protection can only be removed from the socket with a special key.
  • socket protection can be produced economically because it has no movably mounted parts.
  • this socket protection can only be removed using a special key. This means that the socket protector can only be removed from a socket if such a special key is available.
  • this is not always the case.
  • a second group of electrical installation devices which are equipped with child protection are those which work with a pane. This can be moved by turning against the force of a spring when inserting the connector through its connector pins.
  • the known embodiments of such child protection devices differ in the design and design of the rotatable disc and / or in the design of the spring or springs interacting therewith. Since a lot of space is required to transfer the disk from one end position to the other, these embodiments initially have the disadvantage that they cannot be used when it concerns such protective contact sockets that interact with a plug that is connected to a grounding pin is equipped.
  • these known child protection devices consist of a relatively large number of individual parts, which not only complicates the manufacture but also makes the assembly more expensive.
  • the third group is child protection devices with a spring-loaded slide is used.
  • Such child protection devices are known in numerous embodiments.
  • a known embodiment of such a child protection device which has a housing, in the interior of which a slide is mounted such that it is longitudinally movable on the one hand and also pivotable to a limited extent.
  • the slide it is essentially T-shaped, the outer walls of the T interacting with the inner walls of the housing for guidance.
  • the web of the T is divided into two parallel and spaced arms, the front end of which can interact with a fixed stop as soon as the plug is improperly inserted into the openings in the socket. In this case, the slide is pivoted.
  • one of the webs of the T-shaped slider always comes into operative connection with a fixed stop of the housing and thus prevents further displacement and thus release of the openings in the base of the socket.
  • the plug with both plug pins is inserted at the same time, then the T-shaped webs of the slide past the stops can enter a free space with the result that a complete insertion of the plug pins into the socket is possible.
  • the slide is moved against the action of two springs. These attack the inside of the crossbar of the T's. There are projections which engage in the interior of the spring. The opposite other end of the spring is supported on a raised wall of the housing.
  • two springs designed as helical compression springs are therefore essential. These feathers are at the same time the means that are intended to hold the slide in the housing.
  • Such an embodiment of the child protection device cannot be used in a fully automatic production of the electrical installation device. Firstly, the springs do not guarantee that the slide remains in the housing. On the other hand, the formation of the helical compression spring in fully automated production causes considerable difficulties, namely in that the springs to be fed to the assembly line, which are introduced into a hopper. interlocking with their widely spaced turns. There is therefore no guarantee that the springs will be fed individually to the assembly line.
  • the invention aims to further improve electrical installation devices with a child protection device of the type that work with a spring-loaded slide.
  • it wants to design these parts of the child protection device in such a way that they enable fully automatic installation of the electrical installation device with a child protection device.
  • the number of parts used should also be reduced to a minimum, so that the installation device with child protection device can be manufactured economically.
  • the electrical installation device with child protection devices should also be designed so that it can be used in different earthing systems, for example those that work with an earthing clip, but also in such a system that has only one earthing pin.
  • Another object of the invention is to design the electrical installation device of the type mentioned in such a way that the slide is blocked in any case, this aim being achieved in an economical manner.
  • Such an electrical installation device initially has the advantage that the housing and the slide are joined together to form a structural unit, including the spring.
  • a structural unit including the spring.
  • Such a unit is designed so that the parts cannot fall apart, even if they are transported as so-called bulk goods, in order to use the housing in a further operation, e.g. to be connected to an earthed socket.
  • the connection of the two parts, namely the housing and the slide, is extremely simple in the proposed embodiment because they can be combined by simply clipping them together. It is of particular advantage that there is no need for any additional means between the housing and the slide. Rather, detents and counter-detents are molded directly onto the housing or the slide, so that they are produced directly with the manufacture of the two parts.
  • Another advantage is that only a single spring is required, which is designed as a block spring.
  • the design as a block spring has the advantage that it is no longer possible for windings of the spring to get caught when they are introduced into a hopper. Since the turns of a block spring lie directly next to each other, there is no space in which the turns of another spring can engage. In addition, the block springs are extremely dimensionally stable. Block springs of this type are able to withstand the loads to which they are exposed over a longer period of time.
  • the slide is mounted in the housing in such a way that it does not only move longitudinally shift but can also perform a limited pivoting.
  • the arrangement is chosen so that the pivoting is not only possible in the horizontal. Rather, according to the invention, it is ensured that a vertical movement can also be carried out, ie the slide can also be moved vertically. During this movement, parts of it come into operative connection with counter-stops. This vertical movement of the slide occurs only if the connector pins are not properly inserted into the associated connector openings.
  • the housing of the child protection device has recessed areas in its base. Parts of the slider, in particular parts of a widened side part of its arm, can engage in these.
  • the slide has two locking projections, one of which engages in a breakthrough in the bottom of the receiving space of the installation device when the slide moves vertically.
  • This embodiment has the great advantage that special counter-stops can be dispensed with. Rather, the boundary walls of the existing one anyway Breakthrough of the floor of the recording room used as a counterstop.
  • the slider It is advisable to have the slider have a projection on one end face of its crossbeam. This serves to engage in an opening in the circumferential boundary wall of the housing.
  • an inwardly projecting retaining projection is arranged on each of two diametrically opposite circumferential boundary walls of the housing, each of which engages under a lateral extension of the side part of the slide.
  • FIG. 1 of the drawing is based on the upper part of an earthed socket.
  • This protective contact socket is only representative of other embodiments of sockets in which the child protection device according to the invention can be used.
  • FIG. 1 of the drawing a protective contact socket is selected in which a known earthing clip is used in full solid lines.
  • the position of an earthing pin is shown in FIG. 1, which it occupies when it works with the child protection device according to the invention.
  • FIGS. 1 and 2 of the drawing is basically known in its construction Grounded socket, which is generally designated 2o. It is representative of an electrical installation device of a known type, in which the child protection device generally designated 63 according to the invention can be used.
  • the protective contact socket 2o has a cover, designated 21, made of an electrically insulating material.
  • a lower Schuko socket part 22 is molded onto the underside of this cover 21.
  • This encloses in a known manner a receiving space 23 for accommodating the associated plug, not shown.
  • the grooves 26 are provided diametrically opposite, which serve as unmistakable features.
  • openings not designated in more detail are offset by 90 °, which are used to accommodate a grounding bracket (not shown) of U-shaped configuration. These openings cover both the peripheral surface of the receiving space 23 and areas of the bottom 24 of the same.
  • the known openings 25 are also arranged, which serve to penetrate plug pins of the plug, not shown in FIG. 1.
  • the child protection device according to the invention is attached to the underside of the bottom 24 of the receiving space 23.
  • the connection of the child protection device 23 to the underside of the base 24 takes place by means of a tubular rivet 27 (cf. in particular FIG. 8 of the drawing).
  • the child protection device is between strip-shaped Protrusions of the underside of the bottom 24.
  • the child protection device 63 on the one hand and the underside of the bottom 24 on the other hand have per se known distinctive features in the form of elevations or depressions. This ensures that the child protection device 63 is attached in the desired position on the underside of the bottom 24.
  • the child protection device 63 includes a housing made in one piece from an electrically insulating material, in particular a plastic, shown in FIGS. 6 and 7 of the drawings and designated by 31.
  • the housing has an approximately rectangular shape when viewed from above, but there is a constriction in the middle of the longer side of the rectangle.
  • the housing 31 has a bottom 32 and a circumferential boundary edge 33. This boundary edge 33 has essentially the same wall thickness everywhere except for a central area on the inside of the longer side wall, where a recess 34 is arranged, which is used to engage areas of the associated slide serves.
  • boundary walls 36 are provided on the bottom 32 of the housing 31. These only take up part of the length of the side wall of the housing. At their front free end they each transition into a guide surface 37 running perpendicular to it, which can be used to guide the slide 48 of the child protection device 63 already mentioned.
  • the transition area between the boundary wall 36 and the guide surface 37 serves as a stop for blocking the slide 48, specifically when the plug pins of a plug are not properly inserted. This type of interaction between the slider 48 and the mentioned guide areas and the stop of the housing makes it necessary per se to produce them extremely precisely.
  • recessed areas 70 are provided in the area of the bottom 32 of the housing 31 - cf. in particular FIGS. 6 and 7 of the drawings. These recessed areas 7o of the bottom 32 of the housing 31 lie laterally to openings 39. As can be seen in FIG. 7, the recessed areas 7o have an inclined base.
  • a free space 35 is left between each of the boundary walls 36 and the upper longitudinal side of the boundary wall 33.
  • the aforementioned circular openings 39 are provided, which, when used as intended, serve to penetrate the plug pins of a plug, not shown.
  • a raised central part 40 which is penetrated by a bore 41. This bore can best be seen in FIG. 7 of the drawing.
  • the housing 31 has an accommodation space 45 for the central region of the block spring 69.
  • This accommodation space 45 is formed on the one hand by a side wall 23 of the central region 40 and on the other hand by a raised abutment 44 of the bottom 32 of the housing 31 limited.
  • the width of the accommodation space 45 corresponds essentially to the diameter of the block spring 6o.
  • a bearing projection 76 is provided, which extends transversely to the abutment 44 or transversely to the projection 40 and which is also arranged in the middle of the accommodation space 45.
  • the central area of the block spring 6o is supported in the area of this bearing projection 46.
  • the abutment 44 is arranged on a retracted area 46 of the peripheral boundary edge 33 of the bottom 32 of the housing 31.
  • the outer surface of the retracted area 43 of the boundary edge 33 delimits an opening 47 for a grounding pin of a plug to be inserted.
  • This grounding pin is shown in FIG. 1 of the drawings in broken lines.
  • the circumferential boundary edge 33 each has a holding projection 74 lying on two diametrically opposite sides.
  • This retaining projection 74 is directly molded onto the boundary edge 33. It is located in the middle of the respective side wall, specifically at the opening 39 of the bottom 32 of the housing 31.
  • These retaining projections interact with parts of a slide 48 in a manner to be described. The same also applies to the opening 73 which is provided on the side wall of the boundary edge 33 of the housing 31 which has the recess 34.
  • the slider 48 forming an essential part of the child protection device 63 is shown in FIGS. 4 and 5 of the drawings. It follows from this that this slide 48 is designed as a one-piece plastic body which has a crossbar 49. This engages - see FIG. 3 of the drawings - in the recess 34 of the upper boundary edge 33 of the housing 31 when the slide is in its one end position.
  • the crossbar 49 has on its underside the counter stops 5o, which cooperate with the counter stops 38 of the housing 31 when there is an improper insertion of the plug pins of a plug or when an attempt should be made with a tool such as a screwdriver to slide the slide 48 on one side to operate. Due to the interaction of the counter stops 4o of the slide 48 and the stops 38 of the housing 31, the slide 48 is blocked and thus any further movement of the slide 48 prevented within the housing 31. This movement takes place horizontally, that is to say in the direction of the plane of the bottom 32 of the housing 31.
  • two arms 51 of the same design and spaced apart are provided on the underside of the crossbar 49 of the slide 48. These each merge into an outwardly angled, widened side part 53.
  • These widened side parts 53 of the slider 48 also form covers for the openings 39 of the slider 31 in the one end position of the slider 48. As can be seen in FIGS. 4 and 5 of the drawings, these side parts have inclined surfaces 56 on the one hand, which correspond to the end faces of the ones to be inserted Plug pins 51 cooperate, on the other hand also contact surfaces 59 for the block spring 6o.
  • the two widened side parts 53 of the arms 51 of the slide 48 have extensions 75 projecting outwards. These are overlapped by the retaining projections 74 of the housing after the slide and the housing have been assembled. These lateral extensions 75 of the slider 48 are dimensioned so long that they engage under the retaining projections 74 in any possible position of the slider 48 in the housing 31. to further secure the position of the slide 48, this has a molded-on projection 72 in the area of the one end face of the crossbeam 49. This engages in the one shown in FIG. 3 an end position in an opening 43 of the one boundary edge 33 of the housing 31.
  • the lower region 54 of the side parts 43 of the slider 48 is reduced in thickness to form a shoulder.
  • This curved shoulder forms the abovementioned contact surface 59 for parts of the block spring 6o.
  • the slide 48 in addition to a possible pivoting movement of the slide 48 in the horizontal, a movement in the vertical is also possible.
  • the already mentioned recessed areas 7o are provided in the area of the bottom 32 of the housing 31.
  • the slide 48 has locking projections 71 which are molded onto it, to be precise on the right-hand side shown in FIG. 5.
  • one of these locking projections 31 engages in the opening 25 in the bottom 24 of the receiving space 23 of the electrical installation device 20.
  • the lateral boundary walls of the opening 25 also serve as a counterstop. They interact with the associated areas of the locking projections 71 of the slider 48.
  • a structural unit is formed from the housing 31, the block spring 6o and the slide 48. This is done in a simple manner by inserting the block spring into the housing space of the housing.
  • the middle part of the block spring 6o can be fixed on the walls 43 of the middle part 4o or on the abutment 44, e.g. by clamping.
  • the middle area of the block spring 6o is supported on the bearing projection 76, which is provided in the middle of the accommodation space 45.
  • the slide 48 is then connected to the housing 31. This is done in a simple manner in that the retaining projections 74 of the housing 31 engage under the lateral extensions 75 of the slider 48 and that on the other side the projection 72 of the crossbar 49 of the slider 48 engages in the opening 73 in one side wall of the housing 31. This merging can be done fully automatically.
  • the assembly thus preassembled is then attached as a whole to the electrical electrical installation device in the exemplary embodiment shown on the outside of the bottom 24 of the protective contact socket 2o.
  • the preassembled structural unit is fixed on the outside of the base 24 by means of the tubular rivet 27, which is shown in FIG. 8 of the drawing. It follows that the tubular rivet 27 has a continuous bore 57. This is surrounded by the peripheral surface 28, which merges into a widened head 29 - cf. FIG. 1.
  • a fastening screw which is therefore not shown, is passed through the bore 57 of the tubular rivet 27 in a generally known manner, in order to secure its position, a lock 30 is assigned to the tubular rivet 27.
  • This lock 3o is formed in a simple manner in that regions of the lateral surface 28 are cut free on both sides and then the part lying between the incisions is pressed out in the direction of the bore 57.
  • FIG. 3 of the drawings shows the slide 48 of the child protection device 68 within the housing 31 in its one end position.
  • the openings 39 of the child protection device 63 are practically closed by the widened side parts 53 of the slide 48.
  • the block spring 6o assumes an elongated position.
  • the slide can be transferred to another end position, not shown. This is done through proper insertion of plug pins in the openings 25 of the bottom 24 of the protective contact socket and by evenly acting on the inclined surfaces 56 of the slide 48.
  • the lateral end faces of the crossbar 49 are guided in a straight line on the guide surfaces 37 of the housing 31.
  • the longitudinal movement of the slide 48 within the housing 31 takes place by bending the block spring 6o. This comes into operative connection with the contact surfaces 59 of the slide 48. If the plug and thus the plug pins 61 are pulled out of the socket, then the slider 48 is again moved by the block spring 6o into its end position shown in FIG. 3, in which the openings are covered.
  • the embodiment shown is only one example of realizing the invention and it is not restricted to this. Rather, many other designs and applications are possible. This applies in particular to the design of both the housing and the slide. In particular, the means necessary for cohesion of the two parts, namely housing and slide including the block spring, receive a different training than that shown in the drawing.
  • the child protection device according to the invention can also be used in other electrical installation devices known per se.

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  • Connector Housings Or Holding Contact Members (AREA)
EP92103428A 1991-05-03 1992-02-28 Appareil d'installation électrique, notamment prise de sécurité avec protection pour enfants Expired - Lifetime EP0512208B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4114431 1991-05-03
DE19914114431 DE4114431C1 (en) 1990-02-17 1991-05-03 Electrical mains socket with child protection - has slider mounted in housing such that it may move in vertical and horizontal planes

Publications (2)

Publication Number Publication Date
EP0512208A1 true EP0512208A1 (fr) 1992-11-11
EP0512208B1 EP0512208B1 (fr) 1996-01-10

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Application Number Title Priority Date Filing Date
EP92103428A Expired - Lifetime EP0512208B1 (fr) 1991-05-03 1992-02-28 Appareil d'installation électrique, notamment prise de sécurité avec protection pour enfants

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Country Link
EP (1) EP0512208B1 (fr)
AT (1) ATE133009T1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10216199C1 (de) * 2002-04-12 2003-07-10 Abb Patent Gmbh Steckdoseneinsatz einer Steckdose mit in einer Berührungsschutzvorrichtung geführtem Längsschieber
EP1467444A2 (fr) * 2003-04-05 2004-10-13 ABB PATENT GmbH Pièce d'insertion d'une prise ayant un dispositif de protection à glissière
US7001222B2 (en) 2002-06-14 2006-02-21 Power Logic Holdings A.G. Installation couplers
US7063574B2 (en) 2004-10-13 2006-06-20 Power Logic Holdings Ag Installation coupler
US7114968B2 (en) 2004-10-27 2006-10-03 Rafael Healy Plastic gate for electrical outlets
CN106058549A (zh) * 2016-08-08 2016-10-26 珠海格力电器股份有限公司 插座
CN115663514A (zh) * 2022-11-16 2023-01-31 杭州英纬特科技有限公司 一种具有散热功能的挂墙插座

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10206025C1 (de) * 2002-02-14 2003-06-18 Abb Patent Gmbh Berührungsschutzvorrichtung für eine Schutzkontakt-Steckdose mit Längsschieber
DE10211814C1 (de) * 2002-03-16 2003-06-12 Abb Patent Gmbh Schutzkontaktsteckdose mit im Steckdosensockel integrierter Berührungsschutzvorrichtung
DE10216198C1 (de) * 2002-04-12 2003-10-02 Abb Patent Gmbh Steckdosensockel mit darin integrierter Berührungsschutzvorrichtung
DE10225562C1 (de) * 2002-06-10 2003-10-30 Abb Patent Gmbh Steckdoseneinsatz einer Steckdose mit in einer Berührungsschutzvorrichtung geführtem Längsschieber
DE10233458B4 (de) * 2002-07-24 2005-09-22 Abb Patent Gmbh Steckdoseneinsatz einer Steckdose mit in einer Berührungsschutzvorrichtung geführtem Längsschieber
DE102017102548B3 (de) 2017-02-09 2018-03-01 Albrecht Jung Gmbh & Co. Kg Elektrische Steckvorrichtung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2402569A1 (de) * 1974-01-19 1975-07-24 Bbc Brown Boveri & Cie Elektrische steckdose mit verriegelungseinrichtung
DE3150651C1 (de) * 1981-12-21 1983-04-07 Vaudeha-Elektro GmbH, 5880 Lüdenscheid Elektrische Mehrfach-Steckdose
DE3805274A1 (de) * 1988-02-19 1989-08-31 Siemens Ag Steckdose mit kindersicherung
GB2234865A (en) * 1989-07-04 1991-02-13 Travel Accessories Shutter arrangement for an electrical socket outlet

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2402569A1 (de) * 1974-01-19 1975-07-24 Bbc Brown Boveri & Cie Elektrische steckdose mit verriegelungseinrichtung
DE3150651C1 (de) * 1981-12-21 1983-04-07 Vaudeha-Elektro GmbH, 5880 Lüdenscheid Elektrische Mehrfach-Steckdose
DE3805274A1 (de) * 1988-02-19 1989-08-31 Siemens Ag Steckdose mit kindersicherung
GB2234865A (en) * 1989-07-04 1991-02-13 Travel Accessories Shutter arrangement for an electrical socket outlet

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10216199C1 (de) * 2002-04-12 2003-07-10 Abb Patent Gmbh Steckdoseneinsatz einer Steckdose mit in einer Berührungsschutzvorrichtung geführtem Längsschieber
US7001222B2 (en) 2002-06-14 2006-02-21 Power Logic Holdings A.G. Installation couplers
EP1467444A2 (fr) * 2003-04-05 2004-10-13 ABB PATENT GmbH Pièce d'insertion d'une prise ayant un dispositif de protection à glissière
EP1467444A3 (fr) * 2003-04-05 2007-05-30 ABB PATENT GmbH Pièce d'insertion d'une prise ayant un dispositif de protection à glissière
US7063574B2 (en) 2004-10-13 2006-06-20 Power Logic Holdings Ag Installation coupler
US7114968B2 (en) 2004-10-27 2006-10-03 Rafael Healy Plastic gate for electrical outlets
CN106058549A (zh) * 2016-08-08 2016-10-26 珠海格力电器股份有限公司 插座
CN115663514A (zh) * 2022-11-16 2023-01-31 杭州英纬特科技有限公司 一种具有散热功能的挂墙插座

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Publication number Publication date
EP0512208B1 (fr) 1996-01-10
ATE133009T1 (de) 1996-01-15

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