EP3680927B1 - Key switch - Google Patents

Key switch Download PDF

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Publication number
EP3680927B1
EP3680927B1 EP19215493.8A EP19215493A EP3680927B1 EP 3680927 B1 EP3680927 B1 EP 3680927B1 EP 19215493 A EP19215493 A EP 19215493A EP 3680927 B1 EP3680927 B1 EP 3680927B1
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EP
European Patent Office
Prior art keywords
rear wall
key switch
accordance
front part
housing
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Application number
EP19215493.8A
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German (de)
French (fr)
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EP3680927A1 (en
Inventor
Claus Baumgart
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Individual
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Individual
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Publication of EP3680927A1 publication Critical patent/EP3680927A1/en
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    • 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
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/285—Locking mechanisms incorporated in the switch assembly and operable by a key or a special tool
    • 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 present invention relates to a key switch according to the preamble of claim 1 with a two-part housing in which at least one switch insert is arranged which can be actuated by a lock cylinder fixed in the housing ( FR 2 595 532 A1 ).
  • Key switches are generally known (cf. e.g DE 102 31 725 A1 ) and often have a cast metal case closed by a metal faceplate.
  • the lock cylinder is fastened to the front panel and is secured by a locking projection formed on the housing or by an additional locking plate (cf. EP 0 671 753 A1 ).
  • a front panel is often provided, which is attached to the housing with the help of a screw connection (cf. DE 298 21 401 U1 ).
  • the housing consists of a front part and a plate-shaped rear wall, a front panel being integrally integrated into the front part and the front part having a circumferential housing side wall. Furthermore, the rear wall is provided with a locking projection formed in one piece for a bit of the lock cylinder and the front part and rear wall can be locked together.
  • the key switch of the present invention requires only two components to complete the housing, and the front panel of the key switch is integrated into the front piece. As a result, only two components are required for the housing and the separate assembly of a front panel can be omitted.
  • the locking projection is not formed inside the front part, but on the rear wall.
  • the front part and the rear wall can be latched together, so that no additional fastening elements such as screws are required for assembling a housing.
  • the key switch according to the invention can be manufactured extremely inexpensively, since only two components are required for the housing, which can be assembled without screwing or the like. At the same time, however, unauthorized opening of the key switch is prevented, since the bit of the lock cylinder is blocked by the locking projection formed on the rear wall when the bit is in its upper vertical position.
  • the front part can be made of metal, in particular cast zinc, and the rear wall can be made of plastic. This ensures that the front part, which forms the actual housing, is neither flammable nor easily destructible.
  • the rear wall that closes its rear side is made of an inexpensive material, which also (due to its material properties) enables a locking connection to be formed.
  • the cylinder housing of the lock cylinder can be aligned at the front with the front panel. This not only results in an attractive appearance, but also ensures that it is not possible to attach tools to the cylinder housing in order to open the key switch willfully.
  • a spring tongue with a locking hook is formed on the rear wall and can be locked in a locking recess in the front part.
  • the front part can be placed on the rear wall in a simple manner, with the spring tongue initially springing out slightly until the latching hook has snapped into the locking recess of the front part.
  • a locking projection which engages in a locking recess in the rear wall can be formed on the inside of the side wall of the housing. This makes it possible (e.g. in addition to the latching connection described above) to achieve a locking between the rear wall and the front part, so that the front part can, for example, first be inserted with the locking projection into the locking recess, whereupon a tilting movement then causes the two housing components to lock in place.
  • the rear wall can have a fastening web, in particular a peripheral one, onto which the front part can be placed. In this way, a stable and easily assembled connection between the two housing components can be achieved.
  • the locking recess in the rear wall can be formed in the fastening web, specifically above the lock cylinder.
  • a blocking web which extends up to the bit of the lock cylinder when the bit is in its upper vertical position.
  • the blocking web completely fills the space above the beard (apart from a minimal gap to avoid contact), so that a willful opening of the key switch (e.g. by spreading a screwdriver or the like) is not possible.
  • the blocking web can be molded onto the fastening web, which facilitates simple manufacture.
  • a holder for the at least one switch insert can be formed on the rear wall.
  • the housing can be assembled without tools, since this means that additional fastening elements such as screws or the like, which would have to be manufactured, delivered and assembled separately, are not required.
  • the locking projection of the rear wall can be at least partially hollow.
  • the stability of the locking projection can be increased, so that it is particularly well secured against willful breaking out, in particular when using plastic as the material for the rear wall.
  • the inside of the rear wall can have a marking for a position of the beard in which the front part and rear wall are not locked together.
  • the rear wall can have an integrally formed reinforcement block in the area of the locking projection, which is in particular hollow and/or has a trapezoidal cross section.
  • a reinforcement block allows the area around the locking projection to be additionally reinforced, which in turn prevents the key switch from being opened intentionally.
  • the lock cylinder is fastened to the front part and, according to an advantageous embodiment, this can be done by means of two securing elements running transversely to one another, such as pins or screws, which in turn increases security against willful opening of the key switch.
  • FIG. 1 shows a perspective front view of a key switch 10 whose housing is in two parts and consists of a front part 12 and a rear wall 14 .
  • the front part 12 is made in one piece, for example from cast metal, and has an integrated front panel 16 and a peripheral housing side wall 18 integrally connected thereto, which extends to the plate-shaped rear wall 14, which has no peripheral side wall.
  • the rear wall 14 thus forms a flat rear cover for the front part 12 (cf. 2 ).
  • two directional arrows 20 and 21 are incorporated into the front panel 16, which specify the direction of actuation for the key switch 10.
  • a lock cylinder 22 is fastened in the housing and more precisely on the front part 12 (cf. also figure 5 ), whereby the cylinder housing of the lock cylinder 22 is aligned at the front with the front panel 16 (cf. 2). 2 makes it clear that only the cylinder core 23 of the lock cylinder 22 protrudes slightly from the front panel 16, but that the cylinder housing of the lock cylinder 22 is flush with the front panel 16.
  • the attachment of the lock cylinder 22 to the front part 12 is in figure 5 recognizable and it can be seen that a bearing shell 24 is formed on the inside of the front panel 16, which partially surrounds and accommodates the lock cylinder 22 (a profile half cylinder).
  • a bearing shell 24 is formed on the inside of the front panel 16, which partially surrounds and accommodates the lock cylinder 22 (a profile half cylinder).
  • two securing elements are provided which run transversely to one another, namely one which extends horizontally through the bearing shell 24 and the lock cylinder 22 locking pin 26 and a locking screw 28 extending vertically from below through bearing shell 24 and locking cylinder 22 transversely to locking pin 26.
  • the switching inserts 30 and 32 are two buttons which are each inserted into a holder 34, 36 which is integrally formed on the rear wall 14.
  • the rear wall 14 is basically plate-shaped and on its in 3 and 4 Visible back provided with a fastening web 38 which is formed circumferentially in the illustrated embodiment and which extends perpendicularly to the main surface of the rear wall 14, but which does not form part of the circumferential side wall.
  • the peripheral fastening web 38 is dimensioned in such a way that the front part 12 can be placed with its open side on the rear wall 14 with almost no play.
  • ribs 40 that are beveled on the top are additionally provided on the outside of the fastening web 38, so that after the front part 12 and the rear wall 14 have been assembled, both components are joined together without play.
  • a molded locking projection 42 which is for engagement in a locking recess 44 ( 3 ) of the rear wall 14 is formed, for which purpose the fastening web 38 is widened somewhat in the direction of the interior of the housing in the region of the locking recess 44 .
  • the front part 12 can be placed on the rear wall 14 in such a way that the locking projection 42 first engages in the locking recess 44 and the front part 12 can then be placed completely on the rear wall 14 by a tilting movement.
  • a spring tongue 46 is formed on the underside of the rear wall 14 in the area of the fastening web 38, on the underside of which there is a locking hook 48 which is in a locking recess 50 ( figure 5 ) of the front part 12 can be latched.
  • the spring tongue 46 springs out slightly inwards and the latching hook 48 slides over the inside of the lower housing side wall 18 until the latching hook 48 engages in the locking recess 50 of the front part.
  • a circular predetermined breaking point 52 is created between the spring tongue 46 and the rear wall 14 in the region of the fastening web 38, which can be broken open (eg with the aid of a tool) in order to enable a cable feedthrough. It is also possible to form the predetermined breaking point 52 in one piece from a rubber-like material using the two-component method.
  • the locking projection 54 is partially hollow in its interior.
  • a reinforcing block 56 is formed on the inside of the rear wall 14 above the lock cylinder 22, which is trapezoidal in cross section and hollow in its interior.
  • the reinforcement block 56 is connected in one piece to the locking projection 54 via a blocking web 58 which is also hollow on the inside.
  • the blocking bar 58 is formed on the inside of the fastening bar 38 and is dimensioned in such a way that the blocking bar extends as far as the bit 25 of the lock cylinder 22 when the bit 25 extends in its in figure 5 shown upper vertical position. This ensures that there is no free space between the beard 25 and the blocking web 58 apart from a minimal free space for contact-free insertion of the beard, so that in this position the key switch cannot be opened by force.
  • the rear wall of 4 attached to a wall or the like.
  • the predetermined breaking point 52 or a predetermined breaking point 53 provided on the rear wall 14 can be pierced and the electrical lines can be connected to the switch inserts 30 and 32 .
  • the switch inserts 30 and 32 then only have to be inserted into their holders 34 and 36 so that they are in the position shown in 3 shown position.
  • the beard 25 of the lock cylinder 22 must first be removed from the figure 5 shown position are rotated so that the beard 25 does not collide with the locking projection 54.
  • a marking 60 (in the form of a symbol for an open lock) is attached to the inside of the rear wall 14, which indicates a position of the beard 25 in which the front part 12 is placed on the rear wall 14 can be. In this position, the front panel 12 and rear panel 14 are not locked together so that the two components can be assembled together as described above by placing the front panel 12 on the rear panel 14 with its open side.
  • the locking projection 42 of the front part 12 is inserted into the locking recess 44 of the rear wall, the housing is then tilted down so that the latching hook 48 can engage in the locking recess 50 of the front part. If then the bit 25 of the lock cylinder 22 in the in figure 5 moves the position shown and the key is removed, the beard 25 engages behind the locking projection 50, so that it is impossible to detach the two housing components even if the locking hook 48 should be pushed out of the locking recess 50 of the front part. Since the beard 25 engages behind the locking projection 54 and also the blocking web 58 essentially without play, the front part 12 cannot be tilted away from the rear wall 14 either, as a result of which an effective protection against tampering is provided.

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  • Lock And Its Accessories (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Description

Die vorliegende Erfindung betrifft einen Schlüsselschalter nach dem Oberbegriff des Anspruchs 1 mit einem zweiteiligen Gehäuse, in dem zumindest ein Schalteinsatz angeordnet ist, der von einem in dem Gehäuse befestigten Schließzylinder betätigbar ist ( FR 2 595 532 A1 ).The present invention relates to a key switch according to the preamble of claim 1 with a two-part housing in which at least one switch insert is arranged which can be actuated by a lock cylinder fixed in the housing ( FR 2 595 532 A1 ).

Schlüsselschalter sind grundsätzlich bekannt (vgl. z.B. DE 102 31 725 A1 ) und weisen häufig ein Gehäuse aus Metallguss auf, das durch eine Frontplatte aus Metall verschlossen wird. An der Frontplatte ist dabei der Schließzylinder befestigt, der durch einen an dem Gehäuse angeformten Verriegelungsvorsprung oder durch eine zusätzliche Verriegelungsplatte gesichert ist (vgl. EP 0 671 753 A1 ). Zusätzlich ist häufig eine Frontplatte vorgesehen, die mit Hilfe einer Verschraubung an dem Gehäuse befestigt wird (vgl. DE 298 21 401 U1 ).Key switches are generally known (cf. e.g DE 102 31 725 A1 ) and often have a cast metal case closed by a metal faceplate. The lock cylinder is fastened to the front panel and is secured by a locking projection formed on the housing or by an additional locking plate (cf. EP 0 671 753 A1 ). In addition, a front panel is often provided, which is attached to the housing with the help of a screw connection (cf. DE 298 21 401 U1 ).

Es ist die Aufgabe der vorliegenden Erfindung, einen Schlüsselschalter nach dem Oberbegriff des Anspruchs 1 derart weiterzubilden, dass dieser außerordentlich kostengünstig hergestellt und auf einfachste Weise zusammengebaut werden kann.It is the object of the present invention to further develop a key switch according to the preamble of claim 1 in such a way that it can be manufactured extraordinarily inexpensively and assembled in the simplest way.

Die Lösung dieser Aufgabe erfolgt durch die Merkmale des Anspruchs 1 und insbesondere dadurch, dass das Gehäuse aus einem Vorderteil und einer plattenförmigen Rückwand besteht, wobei in das Vorderteil eine Frontplatte einstückig integriert ist und das Vorderteil eine umlaufende Gehäuseseitenwand aufweist. Weiterhin ist die Rückwand mit einem einstückig angeformten Verriegelungsvorsprung für einen Bart des Schließzylinders versehen und Vorderteil und Rückwand sind miteinander verrastbar.This object is achieved by the features of claim 1 and in particular by the fact that the housing consists of a front part and a plate-shaped rear wall, a front panel being integrally integrated into the front part and the front part having a circumferential housing side wall. Furthermore, the rear wall is provided with a locking projection formed in one piece for a bit of the lock cylinder and the front part and rear wall can be locked together.

Der erfindungsgemäße Schlüsselschalter benötigt nur zwei Bauteile , um das Gehäuse zu vervollständigen, und die Frontplatte des Schlüsselschalters ist in das Vorderteil integriert. Hierdurch werden insgesamt nur zwei Bauteile für das Gehäuse benötigt und die separate Montage einer Frontplatte kann entfallen.The key switch of the present invention requires only two components to complete the housing, and the front panel of the key switch is integrated into the front piece. As a result, only two components are required for the housing and the separate assembly of a front panel can be omitted.

Weiterhin ist erfindungsgemäß der Verriegelungsvorsprung nicht im Inneren des Vorderteils, sondern an der Rückwand angeformt. Schließlich sind Vorderteil und Rückwand miteinander verrastbar, so dass für einen Zusammenbau eines Gehäuses keine zusätzlichen Befestigungselemente wie Schrauben erforderlich sind.Furthermore, according to the invention, the locking projection is not formed inside the front part, but on the rear wall. Finally, the front part and the rear wall can be latched together, so that no additional fastening elements such as screws are required for assembling a housing.

Der erfindungsgemäße Schlüsselschalter lässt sich außerordentlich kostengünstig fertigen, da für das Gehäuse lediglich zwei Komponenten erforderlich sind, die ohne ein Verschrauben oder dergleichen zusammengebaut werden können. Gleichzeitig ist jedoch ein unbefugtes Öffnen des Schlüsselschalters verhindert, da der Bart des Schließzylinders durch den an der Rückwand angeformten Verriegelungsvorsprung blockiert ist, wenn sich der Bart in seiner oberen Vertikalposition befindet.The key switch according to the invention can be manufactured extremely inexpensively, since only two components are required for the housing, which can be assembled without screwing or the like. At the same time, however, unauthorized opening of the key switch is prevented, since the bit of the lock cylinder is blocked by the locking projection formed on the rear wall when the bit is in its upper vertical position.

Vorteilhafte Ausführungsformen der Erfindung sind in der Beschreibung, der Zeichnung sowie in den Unteransprüchen beschrieben.Advantageous embodiments of the invention are described in the description, the drawing and in the dependent claims.

Nach einer ersten vorteilhaften Ausführungsform kann das Vorderteil aus Metall, insbesondere aus Zinkguss hergestellt sein und die Rückwand kann aus Kunststoff bestehen. Hierdurch ist gewährleistet, dass das Vorderteil, welches das eigentliche Gehäuse bildet, weder entflammbar noch auf einfache Weise zerstörbar ist. Gleichzeitig ist die seine Rückseite verschließende Rückwand aus einem kostengünstigen Material hergestellt, das zudem (aufgrund seiner Materialeigenschaft) die Ausbildung einer Rastverbindung ermöglicht.According to a first advantageous embodiment, the front part can be made of metal, in particular cast zinc, and the rear wall can be made of plastic. This ensures that the front part, which forms the actual housing, is neither flammable nor easily destructible. At the same time, the rear wall that closes its rear side is made of an inexpensive material, which also (due to its material properties) enables a locking connection to be formed.

Nach einer weiteren vorteilhaften Ausführungsform kann das Zylindergehäuse des Schließzylinders frontseitig mit der Frontplatte fluchten. Hierdurch ergibt sich nicht nur ein ansprechendes Äußeres, sondern es ist auch dafür gesorgt, dass ein Ansetzen von Werkzeugen zum mutwilligen Öffnen des Schlüsselschalters an dem Zylindergehäuse nicht möglich ist.According to a further advantageous embodiment, the cylinder housing of the lock cylinder can be aligned at the front with the front panel. This not only results in an attractive appearance, but also ensures that it is not possible to attach tools to the cylinder housing in order to open the key switch willfully.

Nach einer weiteren vorteilhaften Ausführungsform ist an der Rückwand eine Federzunge mit einem Rasthaken angeformt, der in einer Verriegelungsaussparung des Vorderteils verrastbar ist. Bei dieser Ausführungsform kann das Vorderteil auf einfache Weise auf die Rückwand aufgesetzt werden, wobei die Federzunge zunächst leicht ausfedert, bis der Rasthaken in die Verriegelungsaussparung des Vorderteils eingerastet ist.According to a further advantageous embodiment, a spring tongue with a locking hook is formed on the rear wall and can be locked in a locking recess in the front part. In this embodiment, the front part can be placed on the rear wall in a simple manner, with the spring tongue initially springing out slightly until the latching hook has snapped into the locking recess of the front part.

Nach einer weiteren vorteilhaften Ausführungsform kann an der Innenseite der Gehäuseseitenwand ein Verriegelungsvorsprung angeformt sein, der in eine Verriegelungsaussparung der Rückwand eingreift. Hierdurch lässt sich (beispielsweise zusätzlich zu der vorstehend beschriebenen Rastverbindung) eine Verriegelung zwischen Rückwand und Vorderteil erreichen, so dass das Vorderteil beispielsweise zunächst mit dem Verriegelungsvorsprung in die Verriegelungsaussparung eingesetzt werden kann, woraufhin anschließend durch eine Kippbewegung ein schließendes Verrasten der beiden Gehäusekomponenten erfolgt.According to a further advantageous embodiment, a locking projection which engages in a locking recess in the rear wall can be formed on the inside of the side wall of the housing. This makes it possible (e.g. in addition to the latching connection described above) to achieve a locking between the rear wall and the front part, so that the front part can, for example, first be inserted with the locking projection into the locking recess, whereupon a tilting movement then causes the two housing components to lock in place.

Nach einer weiteren vorteilhaften Ausführungsform kann die Rückwand einen insbesondere umlaufenden Befestigungssteg aufweisen, auf den das Vorderteil aufsetzbar ist. Hierdurch lässt sich eine stabile und einfach zusammenbaubare Verbindung zwischen den beiden Gehäusekomponenten erzielen.According to a further advantageous embodiment, the rear wall can have a fastening web, in particular a peripheral one, onto which the front part can be placed. In this way, a stable and easily assembled connection between the two housing components can be achieved.

Nach einer weiteren vorteilhaften Ausführungsform kann die Verriegelungsaussparung der Rückwand in dem Befestigungssteg ausgebildet sein und zwar oberhalb des Schließzylinders.According to a further advantageous embodiment, the locking recess in the rear wall can be formed in the fastening web, specifically above the lock cylinder.

Nach einer weiteren vorteilhaften Ausführungsform kann im Bereich der Verriegelungsaussparung ein Blockiersteg vorhanden sein, der sich bis zu dem Bart des Schließzylinders erstreckt, wenn sich der Bart in seiner oberen Vertikalposition befindet. Mit anderen Worten füllt der Blockiersteg den Raum oberhalb des Bartes (bis auf einen minimalen Zwischenraum zur Vermeidung einer Berührung) vollständig aus, so dass ein mutwilliges Öffnen des Schlüsselschalters (beispielsweise durch Einspreizen eines Schraubendrehers oder dergleichen) nicht möglich ist.According to a further advantageous embodiment, in the area of the locking recess there can be a blocking web which extends up to the bit of the lock cylinder when the bit is in its upper vertical position. In other words, the blocking web completely fills the space above the beard (apart from a minimal gap to avoid contact), so that a willful opening of the key switch (e.g. by spreading a screwdriver or the like) is not possible.

Nach einer weiteren vorteilhaften Ausführungsform kann der Blockiersteg an dem Befestigungssteg angeformt sein, was eine einfache Herstellung begünstigt.According to a further advantageous embodiment, the blocking web can be molded onto the fastening web, which facilitates simple manufacture.

Nach einer weiteren vorteilhaften Ausführungsform kann eine Halterung für den mindestens einen Schalteinsatz an der Rückwand angeformt sein. Hierdurch kann auf das Vorsehen eines separaten Trägers für den Schalteinsatz verzichtet werden und es ist eine einfache Montage der elektrischen Leitungen gewährleistet, da der Schalteinsatz an der Rückwand leicht zugänglich ist.According to a further advantageous embodiment, a holder for the at least one switch insert can be formed on the rear wall. As a result, the provision of a separate support for the switch insert can be dispensed with, and simple assembly of the electrical lines is ensured, since the switch insert is easily accessible on the rear wall.

Besonders vorteilhaft ist es, wenn das Gehäuse werkzeuglos zusammenbaubar ist, da hierdurch auf zusätzliche Befestigungselemente wie Schrauben oder dergleichen verzichtet werden kann, die separat hergestellt, geliefert und montiert werden müssten.It is particularly advantageous if the housing can be assembled without tools, since this means that additional fastening elements such as screws or the like, which would have to be manufactured, delivered and assembled separately, are not required.

Nach einer weiteren vorteilhaften Ausführungsform kann der Verriegelungsvorsprung der Rückwand zumindest teilweise hohl ausgebildet sein. Hierdurch lässt sich die Stabilität des Verriegelungsvorsprungs erhöhen, so dass dieser insbesondere bei Verwendung von Kunststoff als Material für die Rückwand gegen ein mutwilliges Herausbrechen besonders gut gesichert ist.According to a further advantageous embodiment, the locking projection of the rear wall can be at least partially hollow. As a result, the stability of the locking projection can be increased, so that it is particularly well secured against willful breaking out, in particular when using plastic as the material for the rear wall.

Nach einer weiteren vorteilhaften Ausführungsform kann die Innenseite der Rückwand eine Markierung für eine Position des Bartes aufweisen, in welcher Vorderteil und Rückwand nicht miteinander verriegelt sind. Eine solche Ausbildung der Rückwand erleichtert die Montage, da die erforderliche Schlüsselstellung, die für einen Zusammenbau von Vorderteil und Rückwand erforderlich ist, vorgegeben ist.According to a further advantageous embodiment, the inside of the rear wall can have a marking for a position of the beard in which the front part and rear wall are not locked together. Such a design of the rear panel facilitates assembly, since the key position required for assembling the front part and rear panel is specified.

Nach einer weiteren vorteilhaften Ausführungsform kann die Rückwand im Bereich des Verriegelungsvorsprungs einen angeformten Verstärkungsblock aufweisen, der insbesondere hohl und/oder im Querschnitt trapezförmig ausgebildet ist. Durch einen solchen Verstärkungsblock kann der Bereich um den Verriegelungsvorsprung herum zusätzlich verstärkt werden, was wiederum ein mutwilliges Öffnen des Schlüsselschalters verhindert.According to a further advantageous embodiment, the rear wall can have an integrally formed reinforcement block in the area of the locking projection, which is in particular hollow and/or has a trapezoidal cross section. Such a reinforcement block allows the area around the locking projection to be additionally reinforced, which in turn prevents the key switch from being opened intentionally.

Erfindungsgemäß ist der Schließzylinder an dem Vorderteil befestigt und nach einer vorteilhaften Ausführungsform kann dies durch zwei quer zueinander verlaufende Sicherungselemente, wie Stifte oder Schrauben, erfolgen, was wiederum die Sicherheit gegen ein mutwilliges Öffnen des Schlüsselschalters erhöht.According to the invention, the lock cylinder is fastened to the front part and, according to an advantageous embodiment, this can be done by means of two securing elements running transversely to one another, such as pins or screws, which in turn increases security against willful opening of the key switch.

Nachfolgend wird die vorliegende Erfindung rein beispielhaft anhand einer vorteilhaften Ausführungsform und unter Bezugnahme auf die beigefügten Zeichnungen beschrieben. Es zeigen:

Fig. 1
eine perspektivische Vorderansicht eines Schlüsselschalters;
Fig. 2
eine Seitenansicht des Schlüsselschalters von Fig. 1;
Fig. 3
eine perspektivische Ansicht der Rückwand des Schlüsselschalters von Fig. 1 mit zwei eingesetzten Schalteinsätzen;
Fig. 4
eine weitere perspektivische Ansicht der Rückwand ohne Schalteinsätze; und
Fig. 5
eine perspektivische Ansicht auf die Rückseite des Vorderteils von Fig. 1 mit darin befindlichem Schließzylinder.
The present invention is described below purely by way of example using an advantageous embodiment and with reference to the attached drawings. Show it:
1
a front perspective view of a key switch;
2
a side view of the key switch of FIG 1 ;
3
FIG. 14 is a perspective view of the rear panel of the key switch of FIG 1 with two inserted switch inserts;
4
another perspective view of the rear wall without switch inserts; and
figure 5
a perspective view of the back of the front part of FIG 1 with the lock cylinder inside.

Fig. 1 zeigt eine perspektivische Vorderansicht eines Schlüsselschalters 10, dessen Gehäuse zweiteilig ist und aus einem Vorderteil 12 und einer Rückwand 14 besteht. Das Vorderteil 12 ist bei dem dargestellten Ausführungsbeispiel einstückig, beispielsweise aus Metallguss hergestellt und weist eine integrierte Frontplatte 16 sowie eine damit einstückig verbundene umlaufende Gehäuseseitenwand 18 auf, die sich bis zu der plattenförmigen Rückwand 14 erstreckt, die keine umlaufende Seitenwand aufweist. Die Rückwand 14 bildet somit einen flachen hinteren Deckel für das Vorderteil 12 (vgl. Fig. 2). Hierbei sind in die Frontplatte 16 zwei Richtungspfeile 20 und 21 eingearbeitet, welche die Betätigungsrichtung für den Schlüsselschalter 10 vorgeben. 1 shows a perspective front view of a key switch 10 whose housing is in two parts and consists of a front part 12 and a rear wall 14 . In the exemplary embodiment shown, the front part 12 is made in one piece, for example from cast metal, and has an integrated front panel 16 and a peripheral housing side wall 18 integrally connected thereto, which extends to the plate-shaped rear wall 14, which has no peripheral side wall. The rear wall 14 thus forms a flat rear cover for the front part 12 (cf. 2 ). Here, two directional arrows 20 and 21 are incorporated into the front panel 16, which specify the direction of actuation for the key switch 10.

In dem Gehäuse und genauer gesagt an dem Vorderteil 12 ist ein Schließzylinder 22 befestigt (vgl. auch Fig. 5), wobei das Zylindergehäuse des Schließzylinders 22 frontseitig mit der Frontplatte 16 fluchtet (vgl. Fig. 2). Fig. 2 verdeutlicht, dass lediglich der Zylinderkern 23 des Schließzylinders 22 geringfügig von der Frontplatte 16 vorsteht, dass jedoch das Zylindergehäuse des Schließzylinders 22 bündig mit der Frontplatte 16 abschließt.A lock cylinder 22 is fastened in the housing and more precisely on the front part 12 (cf. also figure 5 ), whereby the cylinder housing of the lock cylinder 22 is aligned at the front with the front panel 16 (cf. 2). 2 makes it clear that only the cylinder core 23 of the lock cylinder 22 protrudes slightly from the front panel 16, but that the cylinder housing of the lock cylinder 22 is flush with the front panel 16.

Die Befestigung des Schließzylinders 22 an dem Vorderteil 12 ist in Fig. 5 erkennbar und es ist ersichtlich, dass an die Innenseite der Frontplatte 16 eine Lagerschale 24 angeformt ist, die den Schließzylinder 22 (ein Profilhalbzylinder) teilweise umgibt und aufnimmt. Zur Sicherung des Schließzylinders 22 an dem Vorderteil 12 sind zwei quer zueinander verlaufende Sicherungselemente vorgesehen, nämlich ein sich horizontal durch die Lagerschale 24 und den Schließzylinder 22 erstreckender Sicherungsstift 26 sowie eine sich quer zu dem Sicherungsstift 26 vertikal von unten durch Lagerschale 24 und Schließzylinder 22 erstreckende Sicherungsschraube 28. Neben dieser Ausführungsform ist es jedoch auch möglich, den Schließzylinder 22 durch nur ein Sicherungselement zu befestigen.The attachment of the lock cylinder 22 to the front part 12 is in figure 5 recognizable and it can be seen that a bearing shell 24 is formed on the inside of the front panel 16, which partially surrounds and accommodates the lock cylinder 22 (a profile half cylinder). To secure the lock cylinder 22 on the front part 12 , two securing elements are provided which run transversely to one another, namely one which extends horizontally through the bearing shell 24 and the lock cylinder 22 locking pin 26 and a locking screw 28 extending vertically from below through bearing shell 24 and locking cylinder 22 transversely to locking pin 26. In addition to this embodiment, however, it is also possible to fasten locking cylinder 22 with only one locking element.

Im Inneren des Schlüsselschalters 10 sind bei dem dargestellten Ausführungsbeispiel zwei Schalteinsätze 30 und 32 (Fig. 3) vorgesehen, die von einem Bart 25 (Fig. 5) des Schlüsselschalters betätigt werden können. Bei dem dargestellten Ausführungsbeispiel handelt es sich bei den Schalteinsätzen 30 und 32 um zwei Taster, die jeweils in eine Halterung 34, 36 eingesetzt sind, die einstückig an der Rückwand 14 angeformt ist.Inside the key switch 10 are two switch inserts 30 and 32 ( 3 ) provided by a beard 25 ( figure 5 ) of the key switch can be actuated. In the exemplary embodiment shown, the switching inserts 30 and 32 are two buttons which are each inserted into a holder 34, 36 which is integrally formed on the rear wall 14.

Wie die Fig. 3 und Fig. 4 verdeutlichen, ist die Rückwand 14 grundsätzlich plattenförmig ausgebildet und auf ihrer in Fig. 3 und Fig. 4 sichtbaren Rückseite mit einem Befestigungssteg 38 versehen, der bei dem dargestellten Ausführungsbeispiel umlaufend ausgebildet ist und der sich senkrecht zur Hauptfläche der Rückwand 14 erstreckt, der jedoch keinen Teil der umlaufenden Seitenwand bildet. Der umlaufende Befestigungssteg 38 ist so dimensioniert, dass das Vorderteil 12 nahezu spielfrei mit seiner offenen Seite auf die Rückwand 14 aufgesetzt werden kann. Für einen Toleranzausgleich sind zusätzlich an der Oberseite angeschrägte Rippen 40 an der Außenseite des Befestigungsstegs 38 vorgesehen, so dass nach einem Zusammenbau von Vorderteil 12 und Rückwand 14 beide Komponenten spielfrei zusammengefügt sind.As the 3 and 4 illustrate, the rear wall 14 is basically plate-shaped and on its in 3 and 4 Visible back provided with a fastening web 38 which is formed circumferentially in the illustrated embodiment and which extends perpendicularly to the main surface of the rear wall 14, but which does not form part of the circumferential side wall. The peripheral fastening web 38 is dimensioned in such a way that the front part 12 can be placed with its open side on the rear wall 14 with almost no play. To compensate for tolerances, ribs 40 that are beveled on the top are additionally provided on the outside of the fastening web 38, so that after the front part 12 and the rear wall 14 have been assembled, both components are joined together without play.

Für eine Verriegelung bzw. eine Verrastung von Vorderteil 12 und Rückwand 14 sind oberhalb und unterhalb des Schließzylinders 22 Einrichtungen vorgesehen, die einen werkzeuglosen Zusammenbau von Vorderteil und Rückwand ermöglichen.For locking or latching of the front part 12 and the rear wall 14, devices are provided above and below the lock cylinder 22, which enable the front part and the rear wall to be assembled without tools.

Oberhalb des Schließzylinders 22 (Fig. 5) befindet sich an der Innenseite der Gehäuseseitenwand 18 ein angeformter Verriegelungsvorsprung 42, der für einen Eingriff in eine Verriegelungsaussparung 44 (Fig. 3) der Rückwand 14 ausgebildet ist, wozu der Befestigungssteg 38 im Bereich der Verriegelungsaussparung 44 etwas in Richtung des Gehäuseinneren verbreitert ist. Für einen Zusammenbau kann das Vorderteil 12 auf die Rückwand 14 so aufgesetzt werden, dass zunächst der Verriegelungsvorsprung 42 in die Verriegelungsaussparung 44 eingreift und das Vorderteil 12 anschließend durch eine Kippbewegung vollständig auf die Rückwand 14 aufgesetzt werden kann. Um dabei eine Rastverbindung zwischen Vorderteil 12 und Rückwand 14 zu ermöglichen, ist an der Unterseite der Rückwand 14 im Bereich des Befestigungsstegs 38 eine Federzunge 46 angeformt, an deren Unterseite sich ein Rasthaken 48 befindet, der in einer Verriegelungsaussparung 50 (Fig. 5) des Vorderteils 12 verrastbar ist.Above the lock cylinder 22 ( figure 5 ) is on the inside of the housing side wall 18 a molded locking projection 42, which is for engagement in a locking recess 44 ( 3 ) of the rear wall 14 is formed, for which purpose the fastening web 38 is widened somewhat in the direction of the interior of the housing in the region of the locking recess 44 . For assembly, the front part 12 can be placed on the rear wall 14 in such a way that the locking projection 42 first engages in the locking recess 44 and the front part 12 can then be placed completely on the rear wall 14 by a tilting movement. In order to enable a locking connection between the front part 12 and the rear wall 14, a spring tongue 46 is formed on the underside of the rear wall 14 in the area of the fastening web 38, on the underside of which there is a locking hook 48 which is in a locking recess 50 ( figure 5 ) of the front part 12 can be latched.

Bei der oben beschriebenen Kippbewegung federt somit die Federzunge 46 leicht nach innen aus und der Rasthaken 48 schiebt sich über die Innenseite der unteren Gehäuseseitenwand 18, bis der Rasthaken 48 in die Verriegelungsaussparung 50 des Vorderteils eingreift.During the tilting movement described above, the spring tongue 46 springs out slightly inwards and the latching hook 48 slides over the inside of the lower housing side wall 18 until the latching hook 48 engages in the locking recess 50 of the front part.

Wie die Fig. 1, 4 und 5 in diesem Zusammenhang verdeutlichen, ist zwischen der Federzunge 46 und der Rückwand 14 im Bereich des Befestigungsstegs 38 eine kreisförmige Sollbruchstelle 52 geschaffen, die (z.B. mit Hilfe eines Werkzeugs) aufbrechbar ist, um eine Kabeldurchführung zu ermöglichen. Auch ist es möglich, die Sollbruchstelle 52 im Zwei-Komponenten-Verfahren aus einem gummiartigen Material einstückig anzuformen.As the 1 , 4 and 5 make clear in this context, a circular predetermined breaking point 52 is created between the spring tongue 46 and the rear wall 14 in the region of the fastening web 38, which can be broken open (eg with the aid of a tool) in order to enable a cable feedthrough. It is also possible to form the predetermined breaking point 52 in one piece from a rubber-like material using the two-component method.

Um ein ungewolltes Öffnen des Schlüsselschalters bei abgezogenem Schlüssel, d.h. in einer Position, in der sich der Bart 25 in der in Fig. 5 dargestellten oberen Vertikalposition befindet, zu verhindern, ist an der Rückwand 14 und genauer gesagt an dem Befestigungssteg 38 im Bereich der Verriegelungsaussparung 44 ein einstückig angeformter Verriegelungsvorsprung 54 vorgesehen, der von dem Bart 25 hintergriffen wird, wenn sich dieser in der in Fig. 5 dargestellten Position befindet. Nachdem der Schließzylinder 22 fest an dem Vorderteil 12 montiert ist, ist dadurch ein Lösen von Vorderteil und Rückwand verhindert.To prevent the key switch from being opened unintentionally when the key is removed, ie in a position in which the beard 25 is in the in figure 5 shown upper vertical position, is on the rear wall 14 and more specifically on the mounting bar 38 in the region of the locking recess 44 a integrally formed locking projection 54 is provided, which the beard 25 engages behind when it is in the in figure 5 shown position. After the lock cylinder 22 is firmly mounted on the front part 12, this prevents the front part and rear wall from detaching.

Zur Erhöhung der Stabilität ist der Verriegelungsvorsprung 54 in seinem Inneren teilweise hohl ausgebildet.To increase the stability, the locking projection 54 is partially hollow in its interior.

Wie insbesondere in Fig. 4 erkennbar ist, ist an der Innenseite der Rückwand 14 oberhalb des Schließzylinders 22 ein Verstärkungsblock 56 angeformt, der im Querschnitt trapezförmig und in seinem Inneren hohl ausgebildet ist. Der Verstärkungsblock 56 ist über einen ebenfalls im Inneren hohl ausgebildeten Blockiersteg 58 mit dem Verriegelungsvorsprung 54 einstückig verbunden. Der Blockiersteg 58 ist an die Innenseite des Befestigungsstegs 38 angeformt und so dimensioniert, dass sich der Blockiersteg bis zu dem Bart 25 des Schließzylinders 22 erstreckt, wenn sich der Bart 25 in seiner in Fig. 5 dargestellten oberen Vertikalposition befindet. Hierdurch ist dafür gesorgt, dass zwischen dem Bart 25 und dem Blockiersteg 58 bis auf einen minimalen Freiraum zum berührungslosen Einführen des Bartes kein Freiraum vorhanden ist, so dass in dieser Position ein gewaltsames Öffnen des Schlüsselschalters verhindert ist.As in particular in 4 As can be seen, a reinforcing block 56 is formed on the inside of the rear wall 14 above the lock cylinder 22, which is trapezoidal in cross section and hollow in its interior. The reinforcement block 56 is connected in one piece to the locking projection 54 via a blocking web 58 which is also hollow on the inside. The blocking bar 58 is formed on the inside of the fastening bar 38 and is dimensioned in such a way that the blocking bar extends as far as the bit 25 of the lock cylinder 22 when the bit 25 extends in its in figure 5 shown upper vertical position. This ensures that there is no free space between the beard 25 and the blocking web 58 apart from a minimal free space for contact-free insertion of the beard, so that in this position the key switch cannot be opened by force.

Für eine Montage des vorstehend beschriebenen Schließzylinders kann zunächst die Rückwand von Fig. 4 an einer Mauer oder dergleichen befestigt werden. Zum Einführen der elektrischen Leitungen kann die Sollbruchstelle 52 oder eine an der Rückwand 14 vorgesehene Sollbruchstelle 53 durchstoßen werden und die elektrischen Leitungen können an die Schalteinsätze 30 und 32 angeschlossen werden. Hieraufhin müssen die Schalteinsätze 30 und 32 lediglich in ihre Halterungen 34 und 36 eingesteckt werden, so dass sie sich in der in Fig. 3 dargestellten Position befinden.For an assembly of the lock cylinder described above, the rear wall of 4 attached to a wall or the like. To insert the electrical lines, the predetermined breaking point 52 or a predetermined breaking point 53 provided on the rear wall 14 can be pierced and the electrical lines can be connected to the switch inserts 30 and 32 . The switch inserts 30 and 32 then only have to be inserted into their holders 34 and 36 so that they are in the position shown in 3 shown position.

Zum anschließenden Aufsetzen des Vorderteils 12 auf die Rückwand 14 muss zunächst der Bart 25 des Schließzylinders 22 aus der in Fig. 5 dargestellten Position verdreht werden, damit der Bart 25 nicht mit dem Verriegelungsvorsprung 54 kollidiert. Um dem Monteur das Auffinden dieser Position zu erleichtern, ist an der Innenseite der Rückwand 14 eine Markierung 60 (in Form eines Symbols für ein offenes Schloss) angebracht, welche eine Position des Bartes 25 anzeigt, in der das Vorderteil 12 auf die Rückwand 14 aufgesetzt werden kann. In dieser Position sind Vorderteil 12 und Rückwand 14 nicht miteinander verriegelt, so dass die beiden Komponenten wie vorstehend beschrieben zusammengebaut werden können, indem das Vorderteil 12 mit seiner offenen Seite auf die Rückwand 14 aufgesetzt wird. Hierbei wird der Verriegelungsvorsprung 42 des Vorderteils 12 in die Verriegelungsaussparung 44 der Rückwand eingesetzt, das Gehäuse anschließend nach unten gekippt, so dass der Rasthaken 48 in die Verriegelungsaussparung 50 des Vorderteils einrasten kann. Wenn anschließend der Bart 25 des Schließzylinders 22 in die in Fig. 5 dargestellte Position bewegt und der Schlüssel abgezogen wird, hintergreift der Bart 25 den Verriegelungsvorsprung 50, so dass ein Lösen der beiden Gehäusekomponenten auch dann unmöglich ist, wenn der Rasthaken 48 aus der Verriegelungsaussparung 50 des Vorderteils herausgedrückt werden sollte. Da der Bart 25 den Verriegelungsvorsprung 54 und auch den Blockiersteg 58 im Wesentlichen spielfrei hintergreift, lässt sich auch das Vorderteil 12 nicht von der Rückwand 14 wegkippen, wodurch ein wirksamer Sabotageschutz geschaffen ist.For the subsequent placement of the front part 12 on the rear wall 14, the beard 25 of the lock cylinder 22 must first be removed from the figure 5 shown position are rotated so that the beard 25 does not collide with the locking projection 54. In order to make it easier for the installer to find this position, a marking 60 (in the form of a symbol for an open lock) is attached to the inside of the rear wall 14, which indicates a position of the beard 25 in which the front part 12 is placed on the rear wall 14 can be. In this position, the front panel 12 and rear panel 14 are not locked together so that the two components can be assembled together as described above by placing the front panel 12 on the rear panel 14 with its open side. Here, the locking projection 42 of the front part 12 is inserted into the locking recess 44 of the rear wall, the housing is then tilted down so that the latching hook 48 can engage in the locking recess 50 of the front part. If then the bit 25 of the lock cylinder 22 in the in figure 5 moves the position shown and the key is removed, the beard 25 engages behind the locking projection 50, so that it is impossible to detach the two housing components even if the locking hook 48 should be pushed out of the locking recess 50 of the front part. Since the beard 25 engages behind the locking projection 54 and also the blocking web 58 essentially without play, the front part 12 cannot be tilted away from the rear wall 14 either, as a result of which an effective protection against tampering is provided.

Claims (15)

  1. A key switch comprising a two-part housing in which at least one switch insert (30, 32) is arranged which can be actuated by a lock cylinder (22) fastened in the housing,
    characterized in that
    the housing consists of a front part (12) and a plate-shaped rear wall (14), the front part (12) has a front plate (16) integrated in one piece and a peripheral housing side wall (18),
    the rear wall (14) is provided with a locking projection (54) molded on in one piece for a bit (25) of the lock cylinder (22), and in that the front part (12) and the rear wall (14) can be latched to one another.
  2. A key switch in accordance with claim 1,
    characterized in that
    the front part (12) consists of metal and the rear wall (14) consists of plastic.
  3. A key switch in accordance with claim 1 or claim 2,
    characterized in that
    the cylinder housing of the lock cylinder (22) is aligned at the front side with the front plate (16).
  4. A key switch in accordance with at least one of the preceding claims, characterized in that
    a spring tongue (46) having a latch hook (48) is molded to the rear wall (14), said latch hook (48) being latchable in a locking recess (50) of the front part (12).
  5. A key switch in accordance with at least one of the preceding claims,
    characterized in that
    a locking projection (42) is molded to the inner side of the housing side wall (18) and engages into a locking recess (44) of the rear wall (14).
  6. A key switch in accordance with at least one of the preceding claims,
    characterized in that
    the rear wall (14) has a fastening web (38), in particular a peripheral fastening web (38), onto which the front part (12) can be placed.
  7. A key switch in accordance with at least one of the preceding claims 5 and 6,
    characterized in that
    the locking recess (44) of the rear wall (14) is formed in the fastening web (38), and indeed above the lock cylinder (22).
  8. A key switch in accordance with claim 7,
    characterized in that
    a blocking web (58) is present in the region of the locking recess (44), said blocking web (58) extending up to the bit (25) of the lock cylinder (22) when the bit (25) is in its upper vertical position.
  9. A key switch in accordance with claim 8,
    characterized in that
    the blocking web (58) is molded to the fastening web (38).
  10. A key switch in accordance with at least one of the preceding claims,
    characterized in that
    a holder (34, 36) for the switch insert (30, 32) is molded to the rear wall (14).
  11. A key switch in accordance with at least one of the preceding claims,
    characterized in that
    the housing can be assembled without tools.
  12. A key switch in accordance with at least one of the preceding claims,
    characterized in that
    the locking projection (44) of the rear wall (14) is at least partly hollow.
  13. A key switch in accordance with at least one of the preceding claims,
    characterized in that
    the inner side of the rear wall (14) has a marking (60) for a position of the bit (25) in which the front part (12) and the rear wall (14) are not locked to one another.
  14. A key switch in accordance with at least one of the preceding claims,
    characterized in that
    the rear wall (14) has, in the region of the locking projection (44), a molded-on reinforcement block (56) which is in particular hollow and/or trapezoidal in cross-section.
  15. A key switch in accordance with at least one of the preceding claims,
    characterized in that
    the lock cylinder (22) is fastened to the front part (12) by two securing elements (26, 28) extending transversely to one another.
EP19215493.8A 2019-01-08 2019-12-12 Key switch Active EP3680927B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019100305.9A DE102019100305A1 (en) 2019-01-08 2019-01-08 Key switch

Publications (2)

Publication Number Publication Date
EP3680927A1 EP3680927A1 (en) 2020-07-15
EP3680927B1 true EP3680927B1 (en) 2022-08-17

Family

ID=68887235

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19215493.8A Active EP3680927B1 (en) 2019-01-08 2019-12-12 Key switch

Country Status (4)

Country Link
EP (1) EP3680927B1 (en)
CN (2) CN111415835B (en)
DE (1) DE102019100305A1 (en)
ES (1) ES2927506T3 (en)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2595532A1 (en) * 1986-03-07 1987-09-11 Amalric Max Key-operated electrical switch device for controlling the use of electrical appliances
CN2056282U (en) * 1989-09-26 1990-04-18 范宇航 Enclosed type electric appliance protecting lock for mains plug
DE4407678C2 (en) * 1994-03-08 2003-02-27 Baumgart Ind Co Sa key switch
DE29821401U1 (en) * 1998-12-05 1999-03-04 Dorma Gmbh + Co. Kg, 58256 Ennepetal Key switch
CN2364541Y (en) * 1999-03-25 2000-02-16 王正华 Lock-controlled switch
EP1263010B1 (en) * 2001-05-23 2004-08-18 Geba Elektromechanische und elektronische Schaltgeräte-Fabrik GmbH Key switch with cable control
DE10231725B4 (en) * 2002-07-13 2009-04-02 Abb Ag key switch
DE202005019656U1 (en) * 2005-12-16 2007-04-19 Dirak Dieter Ramsauer Konstruktionselemente Gmbh & Co. Kg. case closure
EP2019404B1 (en) * 2007-07-23 2014-04-02 Eurotec Engineering Ltd. Key switch
CN201318079Y (en) * 2008-10-14 2009-09-30 金伟达实业有限公司 Lock structure for housing of aromatic device
CN204782369U (en) * 2015-05-22 2015-11-18 东莞市怡丰锁业有限公司 Gift box trick lock
CN106285234A (en) * 2016-09-14 2017-01-04 广州凡而芳香日用品有限公司 A kind of lockset opening and closing casing
CN207338773U (en) * 2017-10-12 2018-05-08 法纳通电器(上海)有限公司 A kind of compartment to plug with pressuring action

Also Published As

Publication number Publication date
CN115394597A (en) 2022-11-25
CN111415835A (en) 2020-07-14
DE102019100305A1 (en) 2020-07-09
EP3680927A1 (en) 2020-07-15
ES2927506T3 (en) 2022-11-07
CN111415835B (en) 2022-09-16

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