EP0143263B1 - Interrupteur à clé - Google Patents

Interrupteur à clé Download PDF

Info

Publication number
EP0143263B1
EP0143263B1 EP84111583A EP84111583A EP0143263B1 EP 0143263 B1 EP0143263 B1 EP 0143263B1 EP 84111583 A EP84111583 A EP 84111583A EP 84111583 A EP84111583 A EP 84111583A EP 0143263 B1 EP0143263 B1 EP 0143263B1
Authority
EP
European Patent Office
Prior art keywords
housing
key
lock
cylinder
operated switch
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
EP84111583A
Other languages
German (de)
English (en)
Other versions
EP0143263A1 (fr
Inventor
Michael Dipl.-Ing. Hörmann
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.)
Hoermann KG Antriebstecknik
Original Assignee
Hoermann KG Antriebstecknik
Hoermann KG Antriebs und Steuerungstechnik
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 Hoermann KG Antriebstecknik, Hoermann KG Antriebs und Steuerungstechnik filed Critical Hoermann KG Antriebstecknik
Priority to AT84111583T priority Critical patent/ATE22195T1/de
Publication of EP0143263A1 publication Critical patent/EP0143263A1/fr
Application granted granted Critical
Publication of EP0143263B1 publication Critical patent/EP0143263B1/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
    • 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
    • H01H2027/066—Key inserted and then turned to effect operation of the switch having anti-tamper provisions, e.g. avoiding the removal of the lock cylinder

Definitions

  • the invention relates to a key switch with the features of the preamble of claim 1.
  • a profile half-cylinder lock is releasably attached to the housing cover only from the inside, the lock bit engages behind an intermediate plate in rotary positions outside a certain rotary position, on which the switch is fixed.
  • the housing cover can be removed with screws accessible from the outside. Only the further opening of the housing interior containing the switch is only possible if one assumes that the housing cover cannot be rotated with the lock in such a way that the screws with which the intermediate plate is fixed to the housing part comprising the housing base are not accessible . In any case, it is possible for an unauthorized person to loosen the housing cover without a key, so that adverse weather influences can take hold even when there is no further access to the housing interior. Otherwise, this known key switch consists of a large number of components, which requires a corresponding outlay in terms of production technology.
  • the invention has for its object to provide a key switch of the type mentioned, in which an opening of the housing without twisting the lock bit in the particular rotational position is not possible and which is created with a minimum of components.
  • the inventive design of the key switch ensures that the housing cannot be opened at all without authorization, so that the attempt to operate the key switch without a key also excludes weather influences which can lead to impairment or undesired switching function.
  • the switch according to the invention is designed such that only two housing parts are required, which accommodate the lock and the switch, so that the manufacture of the switch according to the invention is correspondingly simple and cheap, as far as the required fastening parts are concerned.
  • the housing designated overall by 1, consists of a housing cover 2 and a housing part 4 comprising the housing base 3 (FIG. 3).
  • the housing part 3 comprising the housing base 3 is not shown in FIG.
  • a shield 5 is shown, which overlaps the surface of the housing cover 2 on all sides and is provided in the event that the switch housing 1 is installed in a so-called flush-mounted installation.
  • the housing part 4 comprising the housing base 3 is practically limited to the base 3, that is to say the housing cover 2 encompasses the housing interior 6 almost completely.
  • the housing part 4 comprising the housing base 3 in a pot-like manner, on the outer edge of which the practically flat housing cover 2 can then be placed. Any other parting line between the front surface 7 of the housing cover 2 and the housing base 3 can also be selected.
  • the top view according to FIG. 1 on the front side 7 of the housing cover 2 shows the external view of the end 8, which is accessible from the outside, of the semi-cylinder lock 10 inserted into a molding 9 of the housing cover 2, a rubber sealing plate 11, which is shown in section in FIG. 2, being omitted.
  • the rubber sealing plate 11 has a circular rim and surrounds with a recess the end 8 of the profile half-cylinder lock 10 which is accessible from the outside in close association and is fitted into a correspondingly circular recess 12 in such a way that when the blind shield 5 is screwed on and the pressure exerted thereby is exerted on the rubber sealing plate is pressed in sealing contact with the edge of the recess 12 and that of the accessible end 8 of the profile half-cylinder lock 10.
  • the shape 9 of the housing cover 2 ( Figure 4) is adapted to the cross-sectional shape of the profile half-cylinder lock 10, so that the lock in the recess 9 is easy to insert and remove without being able to perform significant sideways movements.
  • the depth of the recess 9 is also adapted to the lock 10. although this is not essential, however, this reduces the overall height of the switch to one Minimum reduced.
  • a bore 15 is provided, through which a screw 16 is guided, which is screwed into a thread 17, which is located in a projection 18 of the housing base 3. The screw 16 is therefore only accessible when the semi-cylinder lock 10 is not in the formation 9.
  • Figures 3 and 4 show that the beard 19 of the lock 10 in the course of its twisting movement in a plane perpendicular to the longitudinal axis of the lock cylinder passes through an opening 20 provided in the side wall of the formation 9 of the housing cover 2 when the lock 10 acts in a rotational position is, in which the lock bit is located outside the rotational position 21, in which it is in alignment within the elongated lock extension 22.
  • the ball 27 is slightly larger in diameter than the bore 29, so that a positive engagement between the formation 9 and the lock 10 via the ball 27 and the bore 29 is ensured as long as the grub screw 28 is in a corresponding rotational position.
  • the ball 27 can retract into the blind hole 30, so that the lock 10 can be removed from the recess 9 with the corresponding position of the lock bit 19.
  • the blind hole 30 and thus the grub screw 28 is covered by the rubber sealing plate 11. Only after removing this sealing plate 11 is the grub screw 28 accessible. If an unauthorized person loosens this screw without having the key for the lock, he can release the lock from the lock, but the lock 10 cannot be removed from the recess 9 as long as the lock bit 19 has the upward edge of the Opening 20 engages in the side wall of the recess 9.
  • the switch designated overall by 25, in the exemplary embodiment shown consists of two push-button elements 33 and 34, which are fixed to the housing base 3 via a projecting projection 35. Between the actuating members 36, only one of which is shown, and the lock bit 19, actuating webs 37 made of elastically deformable plastic are provided, which are held clamped to the housing base 3 or corresponding projections 38 thereon, and which hold the twisting movement of the lock bit 19 against the actuating members 36 forward the key switch elements 33, 34.
  • the housing cover 2 engages via a sealing lip 39 on the other housing part 4 comprising the housing base 3, so that overall a tight housing formation can be ensured.
  • the electrical feed line is sealingly guided through a cable bushing 40 formed in the housing base 3 or one of the side walls of the housing cover 2, as is known per se.
  • Fastening holes 41 are provided on two diagonally opposite corner regions of the housing base 3, via which the housing can be screwed onto a wall or the like in a surface or flush-mounted installation.
  • the edge provided with the sealing strip 39, which, as seen from the housing base 3, is designed to strive upwards, runs in this way. that the fastening openings 41 lie outside the housing, although the basic shape of the housing part 3 comprising the housing base 3 remains rectangular also in the bottom region.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Push-Button Switches (AREA)
  • Casings For Electric Apparatus (AREA)

Claims (10)

1. Interrupteur à clé comprenant un boîtier (1), un couvercle de boîtier (2) recevant une serrure cylindrique (10) - serrure de profil semi-cylindrique - et un interrupteur électrique (25) disposé dans l'espace interne (6) du boitier.et présentant une ou plusieurs positions de commutation, dans lequel interrupteur à clé, l'organe (ou les organes) d'actionnement soumis à l'attaque du panneton (19) de la serrure est (ou sont) disposé (s) de manière à interférer avec son trajet, ledit panneton (19) présentant une position de rotation dans laquelle l'espace interne (6) du boîtier peut être ouvert, cet interrupteur étant caractérisé par le fait que le couvercle du boîtier est fixé de manière amovible sur le fond (3) du boîtier au moyen d'un organe de fixation, en particulier au moins une vis (16), dont l'extrémité qui peut être manoeuvrée est disposée dans la zone constituant le fond (14) d'un évidement (9) qui est ajusté au profil du semi-cylindre (10) constituant la serrure et qui peut être à partir du plan externe (7) du couvercle du boîtier vers l'intérieur (6) dudit boîtier, dans lequel évidement le semi-cylindre (10) peut pénétrer à partir du côté frontal (7) du couvercle du boîtier et ne peut en sortir que dans une position de rotation déterminée (21) du panneton (19), tandis que, dans d'autres positions de rotation, le panneton (19) s'insère à travers au moins un orifice (20) pratiqué dans la paroi latérale de l'évidement (9).
2. Interrupteur en forme de clé selon la revendication 1, caractérisé par le fait que dans la position de rotation déterminée (21) le panneton (19) se trouve basculé à l'intérieur du semi-cylindre (22) constituant le profil de la serrure.
3. interrupteur en forme de clé selon la revendication 1 ou 2 caractérisé par le fait que l'interrupteur (25) est fixé sur l'élément (4) qui entoure le fond (3) dudit boîtier.
4. Interrupteur en forme de clé selon l'une des revendications 1 à 3 caractérisé par le fait que l'interrupteur (25) est constitué de deux contacteurs (33, 34) à touches, entre les organes d'actionnement (36) desquels et le panneton (19) sont prévues des barrettes d'actionnement (37) fixées sur la partie (4) du boîtier qui entoure le fond (3) dudit boîtier, ces barrettes étant en particulier réalisées en une matière plastique élastiquement déformable.
5. Interrupteur en forme de clé selon l'une des revendications 1 à 4 caractérisé par le fait que la serrure cylindrique (10) peut être bloquée dans sa position d'insertion dans l'évidement (9) du couvercle (2) du boîtier au moyen d'un dispositif de verrouillage (27, 28) pouvant être manoeuvré de l'extérieur du boîtier (1).
6. Interrupteur en forme de clé selon la revendication 5 caractérisé par le fait qu'une vis pointeau (28) est vissée dans un alésage fileté (30) parallèle à l'axe longitudinal du cylindre (10) constituant la serrure, vis pointeau (28) dont l'extrémité orientée vers le fond (3) du boîtier est de forme sensiblement conique et vient en prise avec une bille (27) laquelle peut être déplacée à travers un orifice (32) pratiqué latéralement à l'alésage fileté (30), à travers le semi cylindre (22) constituant la serrure (10), et ceci au long d'un fond (31) d'un perçage réalisé obliquement par rapport à l'axe longitudinal de l'alésage fileté (30) en direction de l'orifice (32), ledit alésage fileté (30) étant réalisé sous la forme d'un trou borgne.
7. Interrupteur en forme de clé selon l'une des revendications 1 à 6 caractérisé par le fait que l'extrémité (8) accessible de l'extérieur du cylindre (10) constituant la clé est entourée par une garniture-d'étanchéité (11), de préférence à bord externe circulaire et insérée dans un évidement (12) pratiqué dans le couvercle du boîtier et dont les dimensions sont ajustées à ladite garniture (11).
8. Interrupteur en forme de clé selon la revendication 7, caractérisé par le fait que la garniture d'étanchéité (11), réalisée en particulier en un matériau élastique tel que du caoutchouc, est disposée de manière à recouvrir l'alésage fileté en forme de trou borgne (30) de la vis pointeau (28).
9. Interrupteur en forme de clé selon l'une des revendications 1 à 8 caractérisé par le fait qu'à l'extérieur du joint de séparation, muni d'une garniture d'étanchéité (39), entre le couvercle (2) et l'élément (4) du boîtier entourant le fond (3) dudit boîtier deux perçages de fixation (41) sont prévus sur ladite partie (4), le contour extérieur du fond (3) dudit boîtier étant réalisé de forme sensiblement rectangulaire, les segments présentant les perçages de fixation (41) étant inclus dans ce contour extérieur.
10. Interrupteur en forme de clé selon l'une des revendications 1 à 9 caractérisé par le fait que l'extrémité (8) accessible de l'extérieur du cylindre (10) constituant la serrure est encadrée par une plaque (5) faisant écran dont les dimensions sont variables selon son mode d'installation avant ou après crépi, et dont les vis de fixation (13) passent en particulier à travers la garniture d'étanchéité (11).
EP84111583A 1983-10-03 1984-09-27 Interrupteur à clé Expired EP0143263B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84111583T ATE22195T1 (de) 1983-10-03 1984-09-27 Schluesselschalter.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE8328372U DE8328372U1 (de) 1983-10-03 1983-10-03 Schlüsselschalter
DE3335867 1983-10-03
DE19833335867 DE3335867A1 (de) 1983-10-03 1983-10-03 Schluesselschalter

Publications (2)

Publication Number Publication Date
EP0143263A1 EP0143263A1 (fr) 1985-06-05
EP0143263B1 true EP0143263B1 (fr) 1986-09-10

Family

ID=25814547

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84111583A Expired EP0143263B1 (fr) 1983-10-03 1984-09-27 Interrupteur à clé

Country Status (2)

Country Link
EP (1) EP0143263B1 (fr)
DE (2) DE8328372U1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8710596U1 (de) * 1987-08-03 1988-12-01 DOM-Sicherheitstechnik GmbH & Co KG, 5040 Brühl Zylinderbetätigbarer Schlüsselschalter
DE4218660C1 (de) * 1992-06-05 1994-01-27 Eduard Schindler Profilzylinderschaltschloß
DE9403744U1 (de) * 1994-03-05 1994-05-26 Skultety, Ivan, 50767 Köln Schlüsselschalter
DE19830139B4 (de) * 1998-07-06 2017-01-19 Geba Elektromechanische und elektronische Schaltgeräte Fabrik GmbH Schlüsselschaltervorrichtung
DE10231725B4 (de) * 2002-07-13 2009-04-02 Abb Ag Schlüsselschalter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1640578A1 (de) * 1967-12-30 1970-12-17 Industriebedarf Handelsgmbh Schluesselbetaetigter Sicherheitsschalter
DE7206369U (fr) * 1972-02-21 1972-05-25 Baumgart F
DE2437977C3 (de) * 1974-08-07 1978-12-21 Te Ka De Felten & Guilleaume Fernmeldeanlagen Gmbh, 8500 Nuernberg Schlüsselschalter in kleiner Bauweise, insbesondere für ein Funkgerät
DE2856337A1 (de) * 1978-12-27 1980-07-10 Alltronik Gmbh Schluesselschalter

Also Published As

Publication number Publication date
DE8328372U1 (de) 1985-03-14
DE3335867A1 (de) 1985-04-18
EP0143263A1 (fr) 1985-06-05

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