EP0066826B1 - Interrupteur à clef - Google Patents

Interrupteur à clef Download PDF

Info

Publication number
EP0066826B1
EP0066826B1 EP82104763A EP82104763A EP0066826B1 EP 0066826 B1 EP0066826 B1 EP 0066826B1 EP 82104763 A EP82104763 A EP 82104763A EP 82104763 A EP82104763 A EP 82104763A EP 0066826 B1 EP0066826 B1 EP 0066826B1
Authority
EP
European Patent Office
Prior art keywords
switch
housing
intermediate piece
lock
latch mechanism
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.)
Expired
Application number
EP82104763A
Other languages
German (de)
English (en)
Other versions
EP0066826A3 (en
EP0066826A2 (fr
Inventor
Karl Glaser
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.)
Elektro Bauelemente GmbH
Original Assignee
Elektro Bauelemente 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 Elektro Bauelemente GmbH filed Critical Elektro Bauelemente GmbH
Publication of EP0066826A2 publication Critical patent/EP0066826A2/fr
Publication of EP0066826A3 publication Critical patent/EP0066826A3/de
Application granted granted Critical
Publication of EP0066826B1 publication Critical patent/EP0066826B1/fr
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
    • H01H27/06—Key inserted and then turned to effect operation of the switch

Definitions

  • the invention relates to a key switch with a lock arranged in a lock housing and a preferably multi-stage switch with latching mechanism, which is held on the lock housing by means of an intermediate piece, the switch axis inside the intermediate piece by means of coupling elements, for example by means of a section which is non-circular in cross section, in lock-side counter-coupling elements, for example claws, engages in such a way that the switch is actuated when a key which can be inserted into the lock is rotated.
  • Such a key switch can be found in DE-A-2 646 015.
  • the intermediate piece forms part of the switch housing which, in addition to the actual electrical switching mechanism, also encloses the latching mechanism of the switch.
  • the switching and latching mechanism may be constructed from conventional parts, the known switch overall represents a relatively complex special part which must be kept ready for the assembly of key switches.
  • the accommodation of the locking mechanism and electrical switchgear in a common housing prevents simple retrofitting or adaptation of the key switch to different electrical circuits.
  • Such a retrofit is, however, an aspiration, because key switches are not large series elements, but are supposed to perform different tasks depending on the individual case, without having to design and keep different switches for changing purposes.
  • DE-A-2 502 194 shows a key switch in which the intermediate piece is formed by a holding disk and a pot-like part made of elastic material with recesses for engaging the lugs of the holding disk.
  • the pot-like part encloses the housing of the lock, with which it is mounted on a front plate carrying the lock housing.
  • the front plate which, like the pot-like part, has a recess for inserting the lock housing, is clamped together with the end wall of the pot-like part between a collar of the lock housing resting on the front side of the front plate and a nut which is threaded onto it Let the lock housing be screwed on.
  • the switch for example a packet switch, is fastened to the holding disc by means of bolts, which in turn is then snapped into the recesses of the pot-like part with the lugs mentioned.
  • the switch is fastened to the holding disc by means of bolts, which in turn is then snapped into the recesses of the pot-like part with the lugs mentioned.
  • the switch is inserted into an opening in an end wall of the intermediate piece facing away from the lock housing by means of a socket arranged on the switch housing and penetrated by the switch shaft.
  • the socket is held on the side of the end wall facing the lock by means of a catch element which engages behind it and on the other side of the end wall by means of a lock nut which is tensioned on the thread of the socket against the catch element.
  • the locking mechanism is arranged separately from the switch in a separate locking mechanism housing in a key switch of the type specified in that the intermediate piece together with the locking mechanism and the switch shaft form a prefabricated component that a switch-side end wall of the intermediate piece which it facing open side of the locking mechanism housing and that one end of the switch shaft for pushing different switches protrudes from the locking mechanism housing.
  • the intermediate piece combined with the locking mechanism thus forms a holding and bearing part for the switch shaft, the lock-side end of which, when the intermediate piece and the lock housing are connected, is additionally supported on the lock by the engagement of the coupling and counter-coupling elements.
  • This design enables high mechanical stability, with different switches being slidable onto the switch shaft as required.
  • the lock and the component formed by the intermediate piece, the locking mechanism and the switch shaft as a mechanical actuator of the switch together with the housing, the chassis or the like.
  • the through the key switch too controlling device can be pre-assembled, while the actual electrical switchgear is manufactured separately. This is extremely desirable in view of low manufacturing costs, because the like in the production of electrical circuits. Very high demands are regularly placed on cleanliness, which generally do not have to be met in the production of mechanical assemblies.
  • clamping rings which engage behind the end wall or the locking mechanism housing, can be inserted into grooves on the switch shaft on the side of the switch-side end wall of the intermediate piece facing the lock and / or the switch side of the locking mechanism housing. This ensures that the latching mechanism is securely and easily mounted in the axial direction of the switch shaft.
  • the locking mechanism housing or the locking mechanism non-rotatably on the intermediate piece it is expediently provided to insert the locking mechanism housing as a cup-like part with extensions on its edge delimiting the cup opening in corresponding, opposed cutouts on the end wall of the intermediate piece.
  • the housing of the switch can in principle be arranged in the same way as is provided for the arrangement of the locking mechanism on the intermediate piece.
  • a non-rotatable connection between the housing parts can be ensured by means of mutually identical, cooperating projections or recesses on the latching mechanism housing and on the housing of the switch without great manufacturing outlay.
  • a clamping ring engaging behind the same can preferably be inserted into an annular groove in the switch shaft in order to axially secure the switch housing.
  • a ring arrangement with at least one radial extension arranged on its inner circumference can be arranged in a rotationally fixed manner, which cooperates as a stop with a cam-like part arranged on the switch shaft and rotatable with it.
  • the swivel angle of the switch shaft can be limited or overturned beyond 360 °.
  • the ring arrangement is expediently inserted into opposite recesses on the end wall by means of end projections.
  • To secure the ring arrangement against falling out is used on the switch shaft axially immovable switch part, such as. B. a locking ball cage, which rests on the ring assembly sliding.
  • the intermediate piece is in a preferred embodiment of the invention as a cup-shaped, having an opening for the switch shaft in the end wall forming cup bottom part with the lock housing, for. B. a flange plate on the lock housing, screwed, the associated screws are arranged in groove-shaped channels on the peripheral wall or the side walls of the intermediate piece. Since the screw channels are open on the side, the screws can be inserted under good visual inspection and screwed into the corresponding holes on the lock housing. It is also advantageous with this arrangement that no parts projecting beyond its contours are necessary for fastening the intermediate piece.
  • FIGs. 1 to 3 consists essentially of a cylinder lock receiving lock housing 1 with a flange plate 2, an intermediate piece 3 arranged on the flange plate 2, a locking mechanism 5 arranged on the end wall 4 of the intermediate piece facing away from the lock housing 1 and a with the same connectable switch 6.
  • the flange plate 2 has through holes 7 for receiving screws, not shown, in order to be able to fasten the lock housing to a corresponding opening in a front wall of a device receiving the key switch.
  • screw channels 9 can be expanded towards the end wall 4 in a funnel shape in order to provide space for correspondingly conically shaped screw heads.
  • the cup-shaped intermediate piece 3 there are driving claws 11 which can be actuated by rotating a key 10 which is inserted into the lock and which protrude from a section 12 forming part of the lock housing and engage around a suitably non-circular switch shaft 13 for taking along.
  • the switch shaft 13 serves to hold the cup-shaped locking mechanism housing 14 and the switch housing 15.
  • an annular groove is arranged on the switch shaft 13 within the intermediate piece 3 near the end wall 4, onto which a C-shaped end wall 4, optionally with interposition an intermediate ring, engaging clamping ring 16 is pushed on.
  • a corresponding clamping ring 17 is arranged on the wall 18 of the locking mechanism housing, through which the switch shaft 13 passes, in an annular groove on the outside of the switch shaft 13.
  • Another clamping ring 190 arranged on the switch shaft 13 engages behind the switch housing 15 penetrated by the switch shaft 13.
  • the inner peripheral surface of the locking mechanism housing 14 has a locking toothing which cooperates with spring-loaded locking balls 180 arranged in radial channels 160 of a locking wheel 170 which is not rotatably mounted on the switch shaft.
  • the ratchet wheel can be arranged axially displaceably on the switch shaft 13 within the ratchet housing 14 with a correspondingly non-circular axis opening.
  • a ring arrangement 21 can be held on the end wall 4, which is penetrated by the switch shaft 13 and on the inner circumference of one, possibly also two radial extensions 22 pointing toward the switch shaft 13 are arranged.
  • These radial extensions 22 interact as a stop with a cam 23 which is arranged on a ring 24 threaded on the switch shaft 13 and there rotatable by positive locking. Because of this arrangement, the maximum pivotability of the switch shaft 13 is limited or further rotation of the switch shaft 13 beyond 360 ° is prevented.
  • the ring assembly 21 is sliding against the locking wheel 170, which in turn rests on the inside of the wall 18 of the locking mechanism housing 14 so that the ring assembly 21 with its end extensions 19 cannot fall out of its seat formed by the recesses 20 in the end wall 4.
  • the intermediate piece 3 which here has a lateral opening 25, has a further end wall 26 which is pushed onto the shoulder 12 of the lock housing 1 by means of an opening 27 coaxial with the switch shaft 13 and on the same by means of a C- shaped bracket 28 is held, which is inserted into an annular groove on the paragraph 12.
  • a non-rotatable connection between the intermediate piece 3 and lock housing 1 is made.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Push-Button Switches (AREA)

Claims (7)

1. Interrupteur à clé comportant une serrure montée dans un boîtier de serrure (1) et un interrupteur (6) - de préférence à plusieurs plots - équipé d'un mécanisme d'encliquetage (5) et qui est maintenu, à l'aide d'un élément intercalaire (3), sur le boitier de serrure (1), l'axe (13) de l'interrupteur s'engageant à l'intérieur de l'élément intercalaire (3), au moyen d'organes d'accouplement, par exemple au moyen de sections transversales non circulaires,dans des organes d'accouplement antagonistes, par exemple des griffes (11), présents du côté de la serrure, de telle sorte que lors d'une rotation d'une clé (10) pouvant être insérée dans la serrure, l'interrupteur est actionné, caractérisé en ce que le mécanisme d'encliquetage (5) est disposé séparément de l'interrupteur (6) dans un boîtier particulier (14) du mécanisme d'encliquetage, que l'élément intercalaire (3) forme, avec le mécanisme d'encliquetage (5) et l'arbre (13) de l'interrupteur, un composant pouvant être préfabriqué, qu'une paroi frontale (4), côté interrupteur, de l'élément intercalaire (3) ferme la face ouverte, tournée vers l'élément intercalaire, du boîtier (14) du mécanisme d'encliquetage et qu'une extrémité de l'arbre (13) de l'interrupteur fait saillie hors du boîtier (14) du mécanisme d'encliquetage de manière à permettre le montage d'interrupteurs différents (6).
2. Interrupteur à clé selon la revendication 1, caractérisé en ce que, sur le côté, tourné vers la serrure (1), de la paroi frontale (4), situé côté interrupteur, de l'organe intercalaire (3) et/ou sur le côté, tourné vers l'interrupteur (6), du boîtier (14) du mécanisme d'encliquetage, des bagues de serrage (16, 17), qui s'engagent derrière la paroi frontale (4) ou derrière le boîtier (14) du mécanisme d'encliquetage, sont insérées dans des rainures ménagées dans l'arbre (13) de l'interrupteur.
3. Interrupteur à clé selon l'une des revendications 1 ou 2, caractérisé en ce que le boîtier (14) du mécanisme d'encliquetage est inséré, sous la forme d'une partie en forme de pot comportant des appendices saillants (140) sur son bord délimitant l'ouverture du pot, dans des évidements diamétralement opposés correspondants (150) ménagés dans la paroi frontale (4) de l'élément intercalaire (3).
4. Interrupteur à clé selon l'une des revendications 1 à 3, caractérisé en ce que sur le côté, situé à l'opposé de la serrure (1), du boîtier (15) de l'interrupteur, une bague de serrage (190) s'engageant derrière ce boîtier peut être insérée dans une gorge annulaire que porte l'arbre (13) de l'interrupteur.
5. Interrupteur à clé selon l'une des revendications 1 à 4, caractérisé en ce que sur la face, tournée vers le mécanisme d'encliquetage (5), de la paroi frontale (4) se trouve disposé, en y étant bloqué en rotation, un ensemble en forme d'anneau (21) comportant au moins un appendice saillant radial (22) disposé sur le pourtour intérieur de la baque et qui coopère, à la manière d'une butée, avec une partie en forme de came (23) disposée sur l'arbre (13) de l'interrupteur et pouvant tourner avec de dernier.
6. Interrupteur à clé selon la revendication 5, caractérisé en ce que sur l'ensemble en forme d'anneau (21) se trouvent ménagés des appendices saillants frontaux (19), qui sont insérés dans des évidements diamétralement opposés (20), ménagés dans la paroi frontale (4), et que l'ensemble en forme d'anneau (21) est protégé de toute chute par un élément de l'interrupteur, comme par exemple une cage sphérique d'encliquetage, maintenue sans possibilité de déplacement axial sur l'arbre (13) de l'interrupteur, cet élément de l'interrupteur s'appliquant sur l'ensemble en forme d'anneau (21), tout en pouvant tourner par rapport à ce dernier.
7. Interrupteur à clé selon l'une des revendications 1 à 6, caractérisé en ce que l'élément intercalaire (3) est réalisé sous la forme d'une partie en forme de pot, comportant une ouverture prévue pour l'arbre de l'interrupteur et ménagée dans le fond du pot constituant la paroi frontale (4), et est fixé par vissage au boitier de serrure (1), par exemple à l'aide d'une plaque en forme de bride (2) prévue sur ce boîtier, et que les vis associées (8) sont disposées dans des canaux en forme de rainures (9) ménagés dans la paroi circonférentielle de l'élément intercalaire (3).
EP82104763A 1981-06-04 1982-05-29 Interrupteur à clef Expired EP0066826B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8116566U 1981-06-04
DE8116566U DE8116566U1 (de) 1981-06-04 1981-06-04 "Schlüsselschalter"

Publications (3)

Publication Number Publication Date
EP0066826A2 EP0066826A2 (fr) 1982-12-15
EP0066826A3 EP0066826A3 (en) 1984-05-30
EP0066826B1 true EP0066826B1 (fr) 1987-09-02

Family

ID=6728284

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82104763A Expired EP0066826B1 (fr) 1981-06-04 1982-05-29 Interrupteur à clef

Country Status (2)

Country Link
EP (1) EP0066826B1 (fr)
DE (2) DE8116566U1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4558193A (en) * 1983-03-31 1985-12-10 C & K Components, Inc. Switch lock
US4639562A (en) * 1984-11-14 1987-01-27 C&K Components, Inc. Key lock switch with antistatic means

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE644524C (de) * 1935-04-07 1937-05-05 Siemens Schuckertwerke Akt Ges Paketschalter mit Schaltkammern, die von durch Bolzen zusammengehaltenen, am Rand verdickten Isolierscheiben gebildet sind
DE921090C (de) * 1948-10-21 1954-12-09 Karl Wittstock Paketschalter
DE2403174C3 (de) * 1974-01-23 1979-02-01 Ebe Elektro-Bau-Elemente Gmbh, 7022 Leinfelden-Echterdingen Rastwerk für Stufendrehschalter mit einer Spring-Return-Vorrichtung, bei der die Feder gegen in Nuten eingesetzte Plättchen anschlägt
DE2502194C3 (de) * 1975-01-21 1978-09-07 Schoeller & Co Elektrotechnische Fabrik Gmbh & Co, 6000 Frankfurt Schlüsselschalter
US4009357A (en) * 1975-10-01 1977-02-22 Oak Industries Inc. Anti-static keylock switch
DE7926499U1 (de) * 1979-09-19 1980-02-14 Ecd Electronic Components Distribution Vertriebsgesellschaft Fuer Elektrische Bauelemente Mbh, 4300 Essen Schlüsselschalter

Also Published As

Publication number Publication date
DE8116566U1 (de) 1981-10-15
EP0066826A3 (en) 1984-05-30
DE3277150D1 (en) 1987-10-08
EP0066826A2 (fr) 1982-12-15

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