EP0321810A2 - connection d'appareil - Google Patents

connection d'appareil Download PDF

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Publication number
EP0321810A2
EP0321810A2 EP88120668A EP88120668A EP0321810A2 EP 0321810 A2 EP0321810 A2 EP 0321810A2 EP 88120668 A EP88120668 A EP 88120668A EP 88120668 A EP88120668 A EP 88120668A EP 0321810 A2 EP0321810 A2 EP 0321810A2
Authority
EP
European Patent Office
Prior art keywords
contact
socket
plug
cover member
switching
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.)
Withdrawn
Application number
EP88120668A
Other languages
German (de)
English (en)
Other versions
EP0321810A3 (fr
Inventor
Felix Schreder
Josef Krist
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.)
EGO Elektro Geratebau GmbH
Original Assignee
EGO Elektro Gerate Blanc und Fischer GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by EGO Elektro Gerate Blanc und Fischer GmbH filed Critical EGO Elektro Gerate Blanc und Fischer GmbH
Publication of EP0321810A2 publication Critical patent/EP0321810A2/fr
Publication of EP0321810A3 publication Critical patent/EP0321810A3/fr
Withdrawn legal-status Critical Current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
    • H01R13/4534—Laterally sliding shutter

Definitions

  • the invention relates to an appliance socket, in particular for cooking chambers, such as ovens, microwave ovens or the like.
  • Such sockets usually have an insulating material, for example a housing-like support, and at least one receptacle for inserting the plug pin of an associated appliance plug.
  • two current-carrying current contacts and also a grounding contact are provided in the area of the receptacle, which is preferably located between the current contacts in such a way that all three plug openings are provided in a common axial plane.
  • the invention has for its object to design a device socket of the type mentioned so that a safe function is guaranteed with a simple structure, preferably at least one electrical or similar switching function should be carried out without a separate actuation with the socket.
  • plug openings are provided for the current contacts or the grounding contact, the socket preferably having at least one switch contact to be operated with the device plug for a device function, such as switching on at least one of the socket contacts, lighting, a display, a blower or the like.
  • a switch-on contact instead of a switch-on contact, however, at least one switch contact can also be designed as a switch-off contact and / or as a switchover contact.
  • a cover member which can be transferred from its securing position into a release position in which the plug can be inserted freely into the plug openings. It is conceivable to design the cover member in such a way that it is transferred to its release position by removing or removing it from the socket, and the arrangement can be such that the switching process is triggered. However, a design, storage and arrangement of the cover member or the socket essentially according to DE-OS 34 14 213, to which reference is made for further details and effects, is particularly advantageous.
  • At least one actuating element preferably made of insulating material, for one, several or all of the switch contacts is movably mounted in the housing or in a housing part.
  • This actuator is expediently moved by engagement with at least one plug pin, in particular the ground contact plug pin, of the plug, although it is also conceivable for the arrangement voltage so that the insulating carrier of the plug carrying the plug actuates the switch contacts.
  • a linearly displaceable mounting is preferably provided.
  • switching contacts can be housed flat and clearly, for example one above the other and immediately adjacent to one another, their switching movement is transverse to the plugging direction of the plug or instead or in addition to this approximately parallel to the direction of displacement of the plate-shaped or web-shaped cover member directed.
  • the actuating member which can also be formed, for example, by a one-part component with the cover member, can either act directly on the movable contact part or parts of the switching contacts, in particular on contact springs, or it can act on the respective contact part via at least one additional intermediate member, so that the direction of actuation and the direction of switching movement may differ from one another, for example may be approximately at right angles to one another.
  • the switching movement directions of at least two switching contacts can also differ from one another, preferably in opposite directions.
  • the design is such that at least one switching contact or several or all switching contacts are only actuated when at least one connector pin, for example se the earthing plug or several or all plug pins have already come into engagement with the associated socket contact.
  • a separate actuating member or an actuating member to be actuated independently of the covering member by the plug or the plug pin is expediently provided
  • an actuating member actuated directly by the covering member or depending on its position is expediently provided.
  • the one or more switch contacts can be provided in at least one separate switch housing, which is expediently arranged or fastened directly on the socket housing and either at least partially within it or on one of its outer sides, for example, such that it is in an otherwise closed wall has a passage opening for the actuation of the switching contacts or for the displaceable engagement or penetration of the actuating member and / or the intermediate member.
  • the switch housing can also be formed at least partially or in one piece with the socket housing. In any case, it is expedient only about the thickness of an intermediate wall of the housing at a distance from the socket contacts.
  • the socket housing is designed in two parts, for example, in such a way that it has a front housing part which has the plug openings and a rear housing part which carries the socket contacts
  • the switch housing is expediently connected to only one of these two housing parts or formed in one piece, so that the switch contact arrangement can be assembled together with this housing part as a self-contained assembly, for example having all the electrically conductive parts.
  • the contact spring or the contact springs are designed so that they serve as return springs for transferring the associated contact parts into the respective starting position.
  • the arrangement can be such that the spring force acting here also acts as a restoring force on the cover member to the extent that the cover member is loaded or moved to its securing position.
  • the arrangement can also be provided such that at least one contact spring or all contact springs are provided as the return spring for the cover member. If the switch contact (s) are switched via the cover member, the switch function is triggered in any case when the cover member is moved in the direction of its release position.
  • the device socket acc. Figures 1 to 4 is provided, for example, for the connection of different grill radiators or other devices to be used in the household or in the oven, such as grill motors, forced air fans or the like. It has an essentially two-part housing 1, which is composed of two housing parts 2, 3 located one behind the other, made of a ceramic-like insulating material, and a cover member 4, which is mounted between them and can be displaced against a return spring 7, made of a similar or identical insulating material. The housing parts 2, 3 are held together with two hollow rivets 8.
  • the front housing part 2 has a front wall 9 which is projecting forward from a flange shoulder 10 in such a way that it forms the bottom surface of a countersink.
  • the housing part 3, which has a greater overall depth, is tensioned against the rear side of this wall 9, in which three adjacent openings 12 are provided for receiving the metallic contacts 5, 6.
  • Each of these contacts 5, 6 is accessible through a plug opening 13, 14 in the wall 9 from the countersink 11, and all plug openings 13, 14 and the countersink 11 lie in a common axial plane 15.
  • the two outer plug openings 13 belong to the current-carrying ones Contacts 5 and the middle plug opening 14 to a grounding contact 6.
  • the plug direction of the socket is indicated by arrow 18.
  • an approximately plate-shaped or web-shaped cover member 4 which extends over all plug openings 13, 14 and takes up the manner of a sliding guide, the lateral boundary surfaces 20 and a bottom surface 21 which is further away from the plug openings for support which also has return spring 7 arranged in it.
  • return spring 7 arranged in it.
  • two or more return springs for example located in the area of the boundary surfaces 20, between the base surface 21 and the cover member 4 can be provided completely closed to the outside within the recess 19, the base surface 21 of which is at a very short distance from the lower outer surface 17 of the Housing part 2 is.
  • the height of the cover member 4 can be between single and double the diameter of the plug openings 13, 14.
  • the cover member 4 can be provided with a web 24 which projects beyond its front side and extends over its height and which fits into a corresponding guide slot 16 engages on the back of the wall 9 or in the recess 19.
  • the cover member 4 On its longitudinal side or outer edge 23 associated with the plug openings 13, 14, the cover member 4 is provided with a leading edge 27 which lies approximately in the middle between its lateral plate edges 22 and is approximately 45 ° inclined and which is essentially continuous over the associated end of the web 24 passes through and which, when subjected to pressure by a plug pin inserted into the plug opening 14 in the direction of arrow 18, leads to the cover member 4 previously closing all plug openings 13, 14 in the direction of arrow 25 for the release position according to FIG. Fig. 4 is transferred.
  • the cover member 4 can then be moved again in the direction of arrow 26 to the securing position.
  • the return spring 7 rests on the longitudinal edge or end face 31 of the cover member 4 facing away from the outer edge 23, which also lies completely within the housing 1 and thus covered in the release position.
  • the plug pins 33, 34 are arranged on an insulating support 35, the outline of which is only slightly smaller than the countersink 11 and the axial extent of which is approximately the same as the depth of the countersink 11.
  • the insulating support 35 has a support plate 36, which protrudes like a shield over its outline and has the ends of a grill heating element 37, which is both electrically connected by inserting the plug 32 into the socket is held mechanically or statically.
  • the socket in turn is attached to the flange 10 so that only the latter is exposed.
  • the spherical cap-shaped or frustoconically tapered end surface of the middle plug pin 34 comes into contact with the run-up surface 27, which may be concavely channel-shaped in its contact area and has a low coefficient of friction due to glazing, so that the cover member 4 is automatically transferred to the release position.
  • the distance between the insulating support 35 and the front of the flange shoulder 10 is already so small that the countersink 11 is practically closed, the plug pin 34 already being in engagement with the grounding contact 6.
  • the contacts 5, 6 can each be formed in a simple manner by a clamping bushing provided with a spring clip 42, which on the top of the housing 1 forms a connector 43 which projects freely to the rear in the form of, for example, a flat tongue, all connectors 43 being adjacent to one another.
  • a multiple switch 44 is integrated or structurally combined with the socket, which essentially only projects over a single one, namely, for example, the rear outer surface of the socket or the housing parts 2, 3 and otherwise at most up to the transverse outer surfaces of the housing 1 is enough.
  • the switch 44 has a plurality of, for example four, switch contacts 45, 46 lying one above the other transversely to the axial plane 15 and approximately symmetrically on both sides of this axial plane or centrally symmetrically to the plug opening 14.
  • Each switching contact which can also be designed as a snap contact with a snap spring, has a movable contact part 47 at the end of a contact spring 48 which projects freely parallel to the axial plane 15 and transversely to the plug openings 13, 14 and which is carried at the other end by a tongue 49 lying transversely to it.
  • a tongue 49 lying transversely to it.
  • the respectively associated, stationary contact part opposite the movable contact part 47 is also provided.
  • the contact springs 48 which are cranked adjacent to their contact parts 47, of the switching contacts 45 lying on one side of the axial plane 15 protrude in the opposite direction to the contact springs 48 of those switching contacts 46 which lie on the other side of the axial plane 15.
  • the switching contacts 45 are separated from the contacts 5, 6 by the rear wall 51 of the housing part 3, in which a plunger-like actuating member 52, for example formed by a collar bolt, is slidably mounted in the axis of the plug opening 14 and is located on the outside or rear side the wall 51 protrudes and is otherwise completely sunk inside the wall 51.
  • a plunger-like actuating member 52 for example formed by a collar bolt
  • a surrounding the actuating member 52 return spring 55 which, for example, consisting of a ceramic-like insulating material actuating member 52 after release into its initial position.
  • Fig. 1 leads back, in which its associated end is immediately adjacent to the contact 6.
  • the respective intermediate member 53 is held or carried exclusively by its connection to at least one of the associated contact springs 48, for which purpose it has at least one V-shaped or curved transverse slot 56 in its longitudinal edge facing away from the wall 51, in which the associated contact spring 48 also coexists engages a correspondingly shaped section 57 lying approximately in the middle of its length.
  • the intermediate members 53 can be stored on the fly practically without contact.
  • the intermediate members 53 rest with their web ends in the manner of cutting edge bearings on the projecting sides of the associated sections 57.
  • the contact springs 48 also serve as return springs for returning the intermediate members 53 to the starting position.
  • the switch housing 58 receiving the switch contacts 45, 46 is essentially formed in one piece with the housing 1 or the housing part 3 and closed at the rear with a flat cover 59.
  • the tongues 49, 50 can either be attached to the base body of the housing 58, that is to say to the wall 51, or to the cover 59 by insertion. They expediently form flat plugs 61 or similar connection means which pass through the cover 59 and project parallel to one another over the outside thereof.
  • the housing 58 expediently forms at least one ventilation opening 60, which can then be provided on the top and on the cover 59.
  • FIGS. 5 to 8 the same reference numerals are used for corresponding parts as in FIGS. 1 to 4, but with the index "a".
  • the switch 44a is provided between the front and the rear of the housing 1a on one of its outer surfaces, in particular on the underside, the switch housing 58a being provided, for example, by a separate, suitably on one of the two housing parts can be formed on the housing part 2a, attached part or be formed in one piece with a housing part 2a.
  • the actuating element 52a in the form of a web lying at right angles to the plate plane of the covering element 4a and extending parallel to its direction of movement arrow 25a is in this case moved directly and simultaneously with the covering element 4a, which is why this actuating element 52a is also formed in one piece with the covering element 4a forms can be.
  • the actuating member 52a directly adjoins the end face 31a of the cover member 4a, for which purpose the recess 19a is provided with a suitable passage opening toward the switch housing 58a.
  • the actuating member 52a has on its web edge facing away from the wall 51a directly the plug-in slots 56a for receiving the contact springs 48a, so that intermediate members are not required and the switching contacts 45a can be actuated directly by the cover member 4a.
  • the web height of the actuator 52a can be equal to the thickness of the cover member 4a in the region of its web, so that the actuator 52a practically forms a continuation of this web.
  • the switch 44a or the switch housing 58a is set back slightly from the front of the flange projection 10a, so that it can be inserted unhindered from the outside of a wall, for example the rear wall of a baking oven muffle, through an opening adapted to it.
  • the housing parts 2a, 3a can also be formed in one piece with one another, since the cover member 4a can be inserted into the housing 1a from the side of the switch 44a before the switch contacts 45a are installed or before the switch contacts 45a are installed.
  • switches can be provided on one and the same socket.
  • a switch 44a according to FIGS. 5 to 8 can also be attached to the design according to FIGS. 1 to 3.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Slide Switches (AREA)
EP88120668A 1987-12-19 1988-12-10 connection d'appareil Withdrawn EP0321810A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3743223 1987-12-19
DE19873743223 DE3743223A1 (de) 1987-12-19 1987-12-19 Geraete-steckdose

Publications (2)

Publication Number Publication Date
EP0321810A2 true EP0321810A2 (fr) 1989-06-28
EP0321810A3 EP0321810A3 (fr) 1990-05-02

Family

ID=6343061

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88120668A Withdrawn EP0321810A3 (fr) 1987-12-19 1988-12-10 connection d'appareil

Country Status (2)

Country Link
EP (1) EP0321810A3 (fr)
DE (1) DE3743223A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1843675U (de) * 1958-12-17 1961-12-21 Schutzapp Ges Paris & Co M B H Steckdose mit schalteinrichtung.
DE1841967U (de) * 1960-06-08 1961-11-23 Busch Jaeger Duerener Metall Kontakteinrichtung an sicherheitssteckdosen.
DE1490638B2 (de) * 1964-08-29 1971-03-18 Siemens AG, 1000 Berlin u. 8000 München Rasiersteckdose
DE6949654U (de) * 1969-12-23 1970-05-14 Kaempgen Heinrich Sicherheitssteckdose.
GB1445055A (en) * 1974-05-14 1976-08-04 Gen Electric Co Ltd Electric socket connectors
DE2435262A1 (de) * 1974-06-28 1976-01-15 Eliopoulos Aristides Steckdose und stecker mit doppelter sicherheit
US4389551A (en) * 1981-07-13 1983-06-21 Tektronix, Inc. Probe-actuated guard shield switch
DE3414213A1 (de) * 1984-04-14 1985-10-24 E.G.O. Elektro-Geräte Blanc u. Fischer, 7519 Oberderdingen Grill-steckdose

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
EP0321810A3 (fr) 1990-05-02
DE3743223A1 (de) 1989-06-29

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