EP3680927A1 - Key switch - Google Patents
Key switch Download PDFInfo
- Publication number
- EP3680927A1 EP3680927A1 EP19215493.8A EP19215493A EP3680927A1 EP 3680927 A1 EP3680927 A1 EP 3680927A1 EP 19215493 A EP19215493 A EP 19215493A EP 3680927 A1 EP3680927 A1 EP 3680927A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rear wall
- key switch
- locking
- front part
- switch according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000000903 blocking effect Effects 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
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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 with a housing, in which at least one switching insert is arranged, which can be actuated by a locking cylinder fastened in the housing.
- Such key switches are generally known and often have a housing made of cast metal, which is closed by a metal front panel.
- the locking cylinder is fastened to the front plate and is secured by a locking projection formed on the housing or by an additional locking plate.
- a front plate is often provided, which is fastened to the housing with the aid of a screw connection.
- the housing is in two parts and consists of a front part and a rear wall, a front plate being integrated in one piece in the front part and the front part having a circumferential housing side wall. Furthermore, the rear wall is provided with an integrally formed locking projection for a beard of the locking cylinder and the front part and rear wall can be locked together.
- the key switch according to the invention initially differs from known embodiments in that only two components are required to complete the housing and that the front plate of the key switch is integrated in the front part. As a result, a total of only two components are required for the housing and the separate installation of a front plate can be omitted.
- the locking projection is not formed on the inside of the front part, but on the rear wall.
- the front part and the rear wall can be locked 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, unauthorized opening of the key switch is prevented, since the beard of the locking cylinder is blocked by the locking projection formed on the rear wall when the beard 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 destroyed.
- the rear wall which closes its rear side, is made of an inexpensive material which (due to its material properties) also enables the formation of a latching connection.
- the cylinder housing of the locking cylinder can be aligned with the front plate on the front. This not only results in an appealing exterior, but also ensures that tools for willfully opening the key switch on the cylinder housing are not possible.
- a spring tongue is formed on the rear wall with a locking hook which 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, the spring tongue initially springing out slightly until the latching hook is engaged in the locking recess of the front part.
- a locking projection can be formed on the inside of the housing side wall, which engages in a locking recess in the rear wall.
- the rear wall can have an in particular circumferential fastening web on 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 of the rear wall can be formed in the fastening web, specifically above the locking cylinder.
- a blocking web can be present in the area of the locking recess, which extends to the beard of the locking cylinder when the beard is in its upper vertical position.
- the blocking web completely fills the space above the beard (except for a minimal space to avoid contact), so that a deliberate opening of the key switch (for example by spreading a screwdriver or the like) is not possible.
- the blocking web can be molded onto the fastening web, which favors simple manufacture.
- a holder for the at least one switching insert can be molded onto the rear wall. This makes it possible to dispense with the provision of a separate support for the switch insert and simple installation of the electrical lines is ensured since the switch insert is easily accessible on the rear wall.
- the housing can be assembled without tools, since this eliminates the need for additional fastening elements such as screws or the like, which would have to be manufactured, supplied and assembled separately.
- the locking projection of the rear wall can be at least partially hollow. This allows the stability of the locking projection to be increased, so that it is particularly well secured against deliberate breaking out, particularly when plastic is used 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 in the area of the locking projection can have an integrally formed reinforcement block, which is in particular hollow and / or trapezoidal in cross section.
- the area around the locking projection can be additionally reinforced by such a reinforcement block, which in turn prevents the key switch from being opened intentionally.
- the locking cylinder is fastened to the front part and, according to an advantageous embodiment, this can be done by two locking elements running transversely to one another, such as pins or screws, which in turn increases the security against a willful opening of the key switch.
- Fig. 1 shows a perspective front view of a key switch 10, the housing of which 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 plate 16 and an encircling housing side wall 18 connected to it in one piece, which extends as far as the plate-shaped rear wall 14, which has no circumferential side wall.
- the rear wall 14 thus forms a flat rear cover for the front part 12 (cf. Fig. 2 ).
- two directional arrows 20 and 21 are incorporated into the front panel 16, which prescribe the direction of actuation for the key switch 10.
- a locking cylinder 22 is fastened in the housing and more precisely on the front part 12 (cf. also Fig. 5 ), the cylinder housing of the lock cylinder 22 being aligned with the front plate 16 on the front (cf. Fig. 2).
- Fig. 2 illustrates that only the cylinder core 23 of the locking cylinder 22 protrudes slightly from the front plate 16, but that the cylinder housing of the locking cylinder 22 is flush with the front plate 16.
- a bearing shell 24 is molded onto the inside of the front plate 16, which partially surrounds and receives the locking cylinder 22 (a profile half cylinder).
- two securing elements running transversely to one another are provided, namely one that extends horizontally through the bearing shell 24 and the locking cylinder 22 Locking pin 26 and a locking screw 28 extending transversely to the locking pin 26 vertically from below through the bearing shell 24 and locking cylinder 22.
- switching inserts 30 and 32 are two buttons, each of which is 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 Fig. 3 and Fig. 4 visible rear side provided with a fastening web 38 which is circumferential in the illustrated embodiment and which extends perpendicular to the main surface of the rear wall 14, but which does not form part of the circumferential side wall.
- the circumferential fastening web 38 is dimensioned such that the front part 12 can be placed with its open side onto the rear wall 14 with almost no play.
- additionally bevelled ribs 40 are provided on the outside of the fastening web 38, so that after assembly of the front part 12 and rear wall 14, both components are joined together without play.
- devices are provided above and below the locking cylinder 22 which enable the front part and the rear wall to be assembled without tools.
- the locking cylinder 22 ( Fig. 5 ) there is an integrally formed locking projection 42 on the inside of the housing side wall 18, which is designed to engage in a locking recess 44 ( Fig. 3 ) the rear wall 14 is formed, for which purpose the fastening web 38 is widened somewhat in the direction of the housing interior 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 completely placed 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 region of the fastening web 38, on the underside of which there is a snap hook 48 which is located in a locking recess 50 ( Fig. 5 ) of the front part 12 can be locked.
- the spring tongue 46 springs out slightly inwards and the latching hook 48 is pushed 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 (for example with the aid of a tool) in order to enable a cable passage. 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 locking 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 likewise hollow on the inside.
- the blocking web 58 is formed on the inside of the fastening web 38 and is dimensioned such that the blocking web extends as far as the beard 25 of the locking cylinder 22 when the beard 25 extends in it Fig. 5 shown upper vertical position is. This ensures that there is no space between the beard 25 and the blocking web 58 except for a minimal free space for contactless insertion of the beard, so that the key switch is prevented from being forced open in this position.
- the rear wall of Fig. 4 be 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 switching inserts 30 and 32 only have to be inserted into their holders 34 and 36, so that they are in the in Fig. 3 position shown.
- the beard 25 of the locking cylinder 22 must first be removed from the in Fig. 5 position shown 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 provided on 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 part 12 and the rear wall 14 are not locked together, so that the two components can be assembled as described above by placing the front part 12 with its open side onto the rear wall 14.
- the locking projection 42 of the front part 12 is inserted into the locking recess 44 of the rear wall, and the housing is subsequently tilted downward, so that the latching hook 48 can snap into the locking recess 50 of the front part.
- the beard 25 of the lock cylinder 22 in the Fig. 5 Moved position shown and the key is removed, the beard 25 engages behind the locking projection 50, so that a release of the two housing components is impossible even if the locking hook 48 should be pressed 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, as a result of which effective protection against sabotage is created.
Abstract
Ein Schlüsselschalter weist ein zweiteilig ausgebildetes Gehäuse auf, wobei eine Rückwand des Gehäuses mit einem einstückig angeformten Verriegelungsvorsprung für einen Bart des Schließzylinders des Schlüsselschalters versehen ist.A key switch has a two-part housing, a rear wall of the housing being provided with an integrally molded locking projection for a beard of the lock cylinder of the key switch.
Description
Die vorliegende Erfindung betrifft einen Schlüsselschalter mit einem Gehäuse, in dem zumindest ein Schalteinsatz angeordnet ist, der von einem in dem Gehäuse befestigten Schließzylinder betätigbar ist.The present invention relates to a key switch with a housing, in which at least one switching insert is arranged, which can be actuated by a locking cylinder fastened in the housing.
Derartige Schlüsselschalter sind grundsätzlich bekannt 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. Zusätzlich ist häufig eine Frontplatte vorgesehen, die mit Hilfe einer Verschraubung an dem Gehäuse befestigt wird.Such key switches are generally known and often have a housing made of cast metal, which is closed by a metal front panel. The locking cylinder is fastened to the front plate and is secured by a locking projection formed on the housing or by an additional locking plate. In addition, a front plate is often provided, which is fastened to the housing with the aid of a screw connection.
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 develop a key switch according to the preamble of claim 1 in such a way that it can be manufactured extremely cost-effectively and assembled in the simplest way.
Die Lösung dieser Aufgabe erfolgt durch die Merkmale des Anspruchs 1 und insbesondere dadurch, dass das Gehäuse zweiteilig ist und aus einem Vorderteil und einer 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 is in two parts and consists of a front part and a rear wall, a front plate being integrated in one piece in the front part and the front part having a circumferential housing side wall. Furthermore, the rear wall is provided with an integrally formed locking projection for a beard of the locking cylinder and the front part and rear wall can be locked together.
Der erfindungsgemäße Schlüsselschalter unterscheidet sich zunächst von bekannten Ausführungsformen darin, dass nur zwei Bauteile benötigt werden, um das Gehäuse zu vervollständigen, und dass die Frontplatte des Schlüsselschalters in das Vorderteil integriert ist. Hierdurch werden insgesamt nur zwei Bauteile für das Gehäuse benötigt und die separate Montage einer Frontplatte kann entfallen.The key switch according to the invention initially differs from known embodiments in that only two components are required to complete the housing and that the front plate of the key switch is integrated in the front part. As a result, a total of only two components are required for the housing and the separate installation of a front plate 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 on the inside of the front part, but on the rear wall. Finally, the front part and the rear wall can be locked 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, unauthorized opening of the key switch is prevented, since the beard of the locking cylinder is blocked by the locking projection formed on the rear wall when the beard 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 the subclaims.
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 destroyed. At the same time, the rear wall, which closes its rear side, is made of an inexpensive material which (due to its material properties) also enables the formation of a latching connection.
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 locking cylinder can be aligned with the front plate on the front. This not only results in an appealing exterior, but also ensures that tools for willfully opening the key switch on the cylinder housing are not possible.
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 is formed on the rear wall with a locking hook which 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, the spring tongue initially springing out slightly until the latching hook is engaged in 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 can be formed on the inside of the housing side wall, which engages in a locking recess in the rear wall. As a result, (for example in addition to the snap-in connection described above) a locking between the rear wall and the front part can be achieved, so that the front part can, for example, first be inserted into the locking recess with the locking projection, whereupon the two housing components are then locked by a tilting movement.
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 an in particular circumferential fastening web on 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 of the rear wall can be formed in the fastening web, specifically above the locking 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, a blocking web can be present in the area of the locking recess, which extends to the beard of the locking cylinder when the beard is in its upper vertical position. In other words, the blocking web completely fills the space above the beard (except for a minimal space to avoid contact), so that a deliberate opening of the key switch (for example 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 favors 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 switching insert can be molded onto the rear wall. This makes it possible to dispense with the provision of a separate support for the switch insert and simple installation 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 eliminates the need for additional fastening elements such as screws or the like, which would have to be manufactured, supplied and assembled separately.
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. This allows the stability of the locking projection to be increased, so that it is particularly well secured against deliberate breaking out, particularly when plastic is used 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 wall facilitates assembly, since the required key position, which is required for assembling the front part and rear wall, is predetermined.
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 in the area of the locking projection can have an integrally formed reinforcement block, which is in particular hollow and / or trapezoidal in cross section. The area around the locking projection can be additionally reinforced by such a reinforcement block, 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 locking cylinder is fastened to the front part and, according to an advantageous embodiment, this can be done by two locking elements running transversely to one another, such as pins or screws, which in turn increases the security against a 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 Schlüssel-schalters 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.
- Fig. 1
- a front perspective view of a key switch;
- Fig. 2
- a side view of the key switch of
Fig. 1 ; - Fig. 3
- a perspective view of the rear wall of the key switch of
Fig. 1 with two switch inserts; - Fig. 4
- another perspective view of the rear wall without switching inserts; and
- Fig. 5
- a perspective view of the back of the front part of
Fig. 1 with the locking cylinder inside.
In dem Gehäuse und genauer gesagt an dem Vorderteil 12 ist ein Schließzylinder 22 befestigt (vgl. auch
Die Befestigung des Schließzylinders 22 an dem Vorderteil 12 ist in
Im Inneren des Schlüsselschalters 10 sind bei dem dargestellten Ausführungsbeispiel zwei Schalteinsätze 30 und 32 (
Wie die
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 the
Oberhalb des Schließzylinders 22 (
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
Wie die
Um ein ungewolltes Öffnen des Schlüsselschalters bei abgezogenem Schlüssel, d.h. in einer Position, in der sich der Bart 25 in der in
Zur Erhöhung der Stabilität ist der Verriegelungsvorsprung 54 in seinem Inneren teilweise hohl ausgebildet.To increase the stability, the locking
Wie insbesondere in
Für eine Montage des vorstehend beschriebenen Schließzylinders kann zunächst die Rückwand von
Zum anschließenden Aufsetzen des Vorderteils 12 auf die Rückwand 14 muss zunächst der Bart 25 des Schließzylinders 22 aus der in
Claims (15)
dadurch gekennzeichnet, dass
das Gehäuse zweiteilig ist und aus einem Vorderteil (12) und einer Rückwand (14) besteht,
das Vorderteil (12) eine einstückig integrierte Frontplatte (16) und eine umlaufende Gehäuseseitenwand (18) aufweist,
die Rückwand (14) mit einem einstückig angeformten Verriegelungsvorsprung (54) für einen Bart (25) des Schließzylinders (22) versehen ist, und dass
Vorderteil (12) und Rückwand (14) miteinander verrastbar sind.Key switch with a housing in which at least one switching insert (30, 32) is arranged, which can be actuated by a locking cylinder (22) fastened in the housing,
characterized in that
the housing is in two parts and consists of a front part (12) and a rear wall (14),
the front part (12) has a one-piece integrated front plate (16) and a circumferential housing side wall (18),
the rear wall (14) is provided with an integrally formed locking projection (54) for a beard (25) of the locking cylinder (22), and that
Front part (12) and rear wall (14) can be locked together.
dadurch gekennzeichnet, dass
das Vorderteil (12) aus Metall und die Rückwand (14) aus Kunststoff bestehen.Key switch according to claim 1,
characterized in that
the front part (12) made of metal and the rear wall (14) made of plastic.
dadurch gekennzeichnet, dass
das Zylindergehäuse des Schließzylinders (22) frontseitig mit der Frontplatte (16) fluchtet.Key switch according to claim 1 or 2,
characterized in that
the cylinder housing of the locking cylinder (22) is aligned with the front plate (16) on the front.
dadurch gekennzeichnet, dass
an der Rückwand (14) eine Federzunge (46) mit einem Rasthaken (48) angeformt ist, der in einer Verriegelungsaussparung (50) des Vorderteils (12) verrastbar ist.Key switch according to at least one of the preceding claims,
characterized in that
on the rear wall (14) a spring tongue (46) is formed with a locking hook (48) which can be locked in a locking recess (50) of the front part (12).
dadurch gekennzeichnet, dass
an der Innenseite der Gehäuseseitenwand (18) ein Verriegelungsvorsprung (42) angeformt ist, der in eine Verriegelungsaussparung (44) der Rückwand (14) eingreift.Key switch according to at least one of the preceding claims,
characterized in that
A locking projection (42) is formed on the inside of the housing side wall (18) and engages in a locking recess (44) in the rear wall (14).
dadurch gekennzeichnet, dass
die Rückwand (14) einen insbesondere umlaufenden Befestigungssteg (38) aufweist, auf den das Vorderteil (12) aufsetzbar ist.Key switch according to at least one of the preceding claims,
characterized in that
the rear wall (14) has an in particular circumferential fastening web (38) onto which the front part (12) can be placed.
dadurch gekennzeichnet, dass
die Verriegelungsaussparung (44) der Rückwand (14) in dem Befestigungssteg (38) ausgebildet ist und zwar oberhalb des Schließzylinders (22).Key switch according to 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), above the locking cylinder (22).
dadurch gekennzeichnet, dass im Bereich der Verriegelungsaussparung (44) ein Blockiersteg (58) vorhanden ist, der sich bis zu dem Bart (25) des Schließzylinders (22) erstreckt, wenn sich der Bart (25) in seiner oberen Vertikalposition befindet.Key switch according to claim 7,
characterized in that in the area of the locking recess (44) there is a blocking web (58) which extends to the beard (25) of the locking cylinder (22) when the beard (25) is in its upper vertical position.
dadurch gekennzeichnet, dass
der Blockiersteg (58) an den Befestigungssteg (38) angeformt ist.Key switch according to claim 8,
characterized in that
the blocking web (58) is molded onto the fastening web (38).
dadurch gekennzeichnet, dass
eine Halterung (34, 36) für den Schalteinsatz (30, 32) an der Rückwand (14) angeformt ist.Key switch according to at least one of the preceding claims,
characterized in that
a holder (34, 36) for the switching insert (30, 32) is integrally formed on the rear wall (14).
dadurch gekennzeichnet, dass
das Gehäuse werkzeuglos zusammenbaubar ist.Key switch according to at least one of the preceding claims,
characterized in that
the housing can be assembled without tools.
dadurch gekennzeichnet, dass
der Verriegelungsvorsprung (44) der Rückwand (14) zumindest teilweise hohl ausgebildet ist.Key switch according to at least one of the preceding claims,
characterized in that
the locking projection (44) of the rear wall (14) is at least partially hollow.
dadurch gekennzeichnet, dass
die Innenseite der Rückwand (14) eine Markierung (60) für eine Position des Bartes (25) aufweist, in welcher Vorderteil (12) und Rückwand (14) nicht miteinander verriegelt sind.Key switch according to at least one of the preceding claims,
characterized in that
the inside of the rear wall (14) has a marking (60) for a position of the beard (25), in which the front part (12) and the rear wall (14) are not locked together.
dadurch gekennzeichnet, dass
die Rückwand (14) im Bereich des Verriegelungsvorsprungs (44) einen angeformten Verstärkungsblock (56) aufweist, der insbesondere hohl und/oder im Querschnitt trapezförmig ausgebildet ist.Key switch according to at least one of the preceding claims,
characterized in that
the rear wall (14) in the area of the locking projection (44) has an integrally formed reinforcement block (56) which is hollow and / or trapezoidal in cross section.
dadurch gekennzeichnet, dass
der Schließzylinder (22) an dem Vorderteil (12) durch zwei quer zueinander verlaufende Sicherungselemente (26, 28) befestigt ist.Key switch according to at least one of the preceding claims,
characterized in that
the locking cylinder (22) is fastened to the front part (12) by two securing elements (26, 28) running transversely to one another.
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 true EP3680927A1 (en) | 2020-07-15 |
EP3680927B1 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) | CN115394597A (en) |
DE (1) | DE102019100305A1 (en) |
ES (1) | ES2927506T3 (en) |
Citations (4)
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 |
EP0671753A1 (en) * | 1994-03-08 | 1995-09-13 | Baumgart, Gertrud | Key-operated switch |
DE29821401U1 (en) * | 1998-12-05 | 1999-03-04 | Dorma Gmbh & Co Kg | Key switch |
DE10231725A1 (en) * | 2002-07-13 | 2004-01-22 | Abb Patent Gmbh | Key-operated switch for switching electric consumers and power circuits on/off, has a closing cylinder connected with closing bolt toe and locking hooks engage in fastening hole on cylinder |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2056282U (en) * | 1989-09-26 | 1990-04-18 | 范宇航 | Enclosed type electric appliance protecting lock for mains plug |
CN2364541Y (en) * | 1999-03-25 | 2000-02-16 | 王正华 | Lock-controlled switch |
ES2222291T3 (en) * | 2001-05-23 | 2005-02-01 | Geba Elektromechanische Und Elektronische Schaltgerate-Fabrik Gmbh | WRENCH SWITCH WITH CONTROL CABLE. |
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 |
-
2019
- 2019-01-08 DE DE102019100305.9A patent/DE102019100305A1/en active Pending
- 2019-08-19 CN CN202211013070.1A patent/CN115394597A/en active Pending
- 2019-08-19 CN CN201910763687.7A patent/CN111415835B/en active Active
- 2019-12-12 EP EP19215493.8A patent/EP3680927B1/en active Active
- 2019-12-12 ES ES19215493T patent/ES2927506T3/en active Active
Patent Citations (4)
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 |
EP0671753A1 (en) * | 1994-03-08 | 1995-09-13 | Baumgart, Gertrud | Key-operated switch |
DE29821401U1 (en) * | 1998-12-05 | 1999-03-04 | Dorma Gmbh & Co Kg | Key switch |
DE10231725A1 (en) * | 2002-07-13 | 2004-01-22 | Abb Patent Gmbh | Key-operated switch for switching electric consumers and power circuits on/off, has a closing cylinder connected with closing bolt toe and locking hooks engage in fastening hole on cylinder |
Also Published As
Publication number | Publication date |
---|---|
DE102019100305A1 (en) | 2020-07-09 |
CN111415835A (en) | 2020-07-14 |
CN115394597A (en) | 2022-11-25 |
EP3680927B1 (en) | 2022-08-17 |
ES2927506T3 (en) | 2022-11-07 |
CN111415835B (en) | 2022-09-16 |
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