EP1353346B1 - Casing with upper and lower part and push switches actuable by push buttons - Google Patents

Casing with upper and lower part and push switches actuable by push buttons Download PDF

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Publication number
EP1353346B1
EP1353346B1 EP03005877A EP03005877A EP1353346B1 EP 1353346 B1 EP1353346 B1 EP 1353346B1 EP 03005877 A EP03005877 A EP 03005877A EP 03005877 A EP03005877 A EP 03005877A EP 1353346 B1 EP1353346 B1 EP 1353346B1
Authority
EP
European Patent Office
Prior art keywords
housing
pushbutton
elements
actuating element
momentary
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP03005877A
Other languages
German (de)
French (fr)
Other versions
EP1353346A3 (en
EP1353346A2 (en
Inventor
Manfred Heppner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric GmbH
Original Assignee
Ritto GmbH
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Filing date
Publication date
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Publication of EP1353346A2 publication Critical patent/EP1353346A2/en
Publication of EP1353346A3 publication Critical patent/EP1353346A3/en
Application granted granted Critical
Publication of EP1353346B1 publication Critical patent/EP1353346B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/002—Legends replaceable; adaptable
    • H01H2219/014—LED
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/036—Light emitting elements
    • H01H2219/05—Key offset in relation to switch site
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/024—Transmission element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/024—Transmission element
    • H01H2221/026—Guiding or lubricating nylon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/036—Return force
    • H01H2221/044—Elastic part on actuator or casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/064—Limitation of actuating pressure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/07—Actuators transparent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/022—Modular assembly
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2233/00—Key modules
    • H01H2233/002—Key modules joined to form button rows
    • H01H2233/004—One molded part

Definitions

  • the invention relates to a housing of the upper housing part and lower housing part, in which the lower housing part Tastschalter are arranged, which are actuated by means stored in the housing upper part key buttons, and in the lower housing lighting devices per key switch to illuminate the associated key buttons are provided.
  • Such housings are used for a variety of applications.
  • the installation of the key switch and the assignment of the actuators has already been solved in a variety of ways. If the key buttons can be additionally illuminated, then arise for the installation far greater difficulties, as a rule, the lighting devices are offset laterally to the operating axis of the key top. This does not bring uniform illumination of the button button. Takes the key button the lighting device, then the coupling of the same to the push-button switch is complicated and complicated.
  • the hat-shaped button buttons are held by means of annular actuators captive in recesses of the housing shell that the actuators are connected to the inside of the housing shell that in the housing base per key switch a version with illumination lamp is arranged, which is aligned with the centers of the associated key button and the associated actuator, and that the actuator surrounds the associated version with Verstellspiel and arranged outside the socket, associated key switch, when the associated key button is pressed and the associated actuator is adjusted.
  • the lighting device can be mounted centrally to the key button in the lower housing part, so that it illuminates the key button evenly and without shadows.
  • the annular actuator not only sets the key button captive in the housing shell, but can surround with its bore the socket with the illumination lamp and be adjusted to actuate an immediately adjacent to the socket key switch.
  • the hold and the leadership of the key button in the recess of the housing upper part can be achieved simply by the fact that the key button is hollow and is held by the associated actuator with a collar on the inside of the housing shell fitting in the starting position.
  • the actuating element is supported only on the collar of the key button, which preferably consists of translucent material, then the illumination lamp can extend through the actuator through into the cavity of the key top.
  • a further advantageous embodiment is characterized in that the recess in the housing upper part on the inside of molded guide elements for the collar of the button knob has and that the button button in the region of the federal has a protruding approach, which is guided in attacks in the region of the recess and keeps the key button non-rotatable.
  • the key button is thus guided against rotation in the recess and can be provided with marks that are aligned with a particular operating direction.
  • the determination of the actuating elements in the vicinity of the recesses of the housing upper part is achieved so that on the inside of the housing upper part a holder is formed, in which integrally formed on the actuating element retaining elements can be fixed. It can be additionally provided to reduce the effort that the holder receives the holding elements for the actuators of several juxtaposed buttons buttons.
  • the holding elements consists of a fastening strip and integrally formed deflection springs, the ends of the deflection springs carrying the actuating elements.
  • the further training provides that the actuators carry on the housing lower side facing the boundary approaches that limit the vertical adjustment of the actuator.
  • the switching position of the actuating element can be defined and the key switch can be protected from damage.
  • the sockets with the preferably designed as LED lighting lamps are arranged and wired with the key switches on a circuit board, which can be easily installed in the lower housing part so that the required alignment is achieved.
  • the key switches can be designed either as a monostable or bistable switch
  • the deflection springs of the actuators serve as return springs for the key buttons. This is especially true when the annular actuators are made with the deflection springs and the fastening strip made of elastic plastic as an injection molded part.
  • the housing according to the embodiment consists of a box-like housing upper part 10 and a matching box-like housing base 20 which enclose with their peripheral edges a housing-receiving space, which can accommodate various installations depending on the purpose. For the present invention, this further installation is not important, it will therefore be shown in partial views only the parts for installation of push buttons.
  • These key switches 23 are arranged in the housing lower part 20 on a printed circuit board 25.
  • the key buttons 14 are hat-shaped, so hollow and have on the open side of a projecting collar 15.
  • the key buttons 14 are inserted from the inside into the recesses 11 of the housing upper part 10, the collar 15 by stop the insertion position, ie initial position of the key button 14 determines.
  • On the inside of the housing upper part 10 are diametrically cup-shaped guides 12 (FIG. Fig. 2 ), which forms the Lead collar 15 of the key button 14.
  • the key buttons 14 are preferably made of translucent material, since they are illuminated.
  • annular actuators 33 which coincide with the collar 15 of the key top 14.
  • actuating element 33 serving as a deflection spring retaining spring 32 is formed.
  • a plurality of retaining springs 32 of a plurality of actuating elements 33 can be combined with a fastening strip 31 to form a one-piece insert part.
  • a receptacle 17 is formed in the region of the recesses 1 1, in which the fixing strip 31 can be used so that the actuators 33 come with the frets 15 of the associated key buttons 14 to cover.
  • the key buttons 14 are held captive in the recesses 11 of the housing upper part 10.
  • the housing base 20 receives a circuit board 25, the sockets 21 with illumination lamps 22 carries.
  • the alignment is such that the centers of the LED illumination lamps 22 are aligned in their sockets 21 on the centers of the actuators 33 and the key buttons 14.
  • the annular actuation elements 33 enclose with adjustment clearance the sockets 21 with the illumination lamps 22 and can switch directly to the sockets 21 on the printed circuit board 25 fixed push button switch 23.
  • the LEDs can through the actuators 33 pass through into the cavity of the key buttons 14 and illuminate them evenly and without shadow effect.
  • the annular actuators 33 provide around the sockets around enough contact surfaces to the associated actuators of the key switch 23, which may be formed as a monostable or bistable switch.
  • the retaining springs 32 serve as return springs for the key buttons 14, in particular when the actuators 33 are made in one piece with the retaining springs 32 and the fixing strip 31 made of elastic plastic.
  • more than two recesses 11 may be provided with guides 12 and stops 13. If a recess 11 is not occupied, then it can be covered with an ausbrechbaren closure plate and opened if necessary. In this way, the housing can be easily extended with further key switches.

Landscapes

  • Push-Button Switches (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Switches With Compound Operations (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The housing has upper and lower parts (10,20) with push switches in the lower part operated by push knobs (14) in the upper part and an illumination device per knob in the lower part. The cap-shaped push knobs are held fixed in openings (11) in the upper housing part by annular actuating elements (33) attached to the inner side of the upper housing part.

Description

Die Erfindung betrifft ein Gehäuse aus Gehäuse-Oberteil und Gehäuse-Unterteil, bei dem im Gehäuse-Unterteil Tastschalter angeordnet sind, die mittels im Gehäuse-Oberteil gelagerter Tastenknöpfe betätigbar sind, und bei dem im Gehäuse-Unterteil Beleuchtungseinrichtungen pro Tastschalter zur Beleuchtung der zugeordneten Tastenknöpfe vorgesehen sind.The invention relates to a housing of the upper housing part and lower housing part, in which the lower housing part Tastschalter are arranged, which are actuated by means stored in the housing upper part key buttons, and in the lower housing lighting devices per key switch to illuminate the associated key buttons are provided.

Derartige Gehäuse sind für die verschiedensten Anwendungsfälle eingesetzt. Dabei ist der Einbau der Tastschalter und die Zuordnung der Betätigungselemente schon auf die verschiedenste Weise gelöst worden. Sollen die Tastenknöpfe zusätzlich beleuchtet werden können, dann ergeben sich für den Einbau weit größere Schwierigkeiten, da in der Regel die Beleuchtungseinrichtungen seitlich zur Betätigungsachse des Tastenknopfes versetzt sind. Dies bringt keine gleichmäßige Ausleuchtung des Tastenknopfes. Nimmt der Tastenknopf die Beleuchtungseinrichtung auf, dann ist die Kopplung desselben zum Tastschalter aufwändig und kompliziert.Such housings are used for a variety of applications. The installation of the key switch and the assignment of the actuators has already been solved in a variety of ways. If the key buttons can be additionally illuminated, then arise for the installation far greater difficulties, as a rule, the lighting devices are offset laterally to the operating axis of the key top. This does not bring uniform illumination of the button button. Takes the key button the lighting device, then the coupling of the same to the push-button switch is complicated and complicated.

Es ist daher Aufgabe der Erfindung, bei einem Gehäuse der eingangs erwähnten Art die Tastenknöpfe gleichmäßig auszuleuchten und dennoch die Kopplung der Tastenknöpfe mit den zugeordneten Tastschaltern mit einfachen Mitteln betriebssicher auszulegen.It is therefore an object of the invention to evenly illuminate the key buttons in a housing of the type mentioned and yet interpret the coupling of the key buttons with the associated key switches with simple means reliable.

Diese Aufgabe wird nach der Erfindung dadurch gelöst, dass die hutförmigen Tastenknöpfe mittels ringförmiger Betätigungselemente unverlierbar in Ausnehmungen des Gehäuse-Oberteils gehalten sind, dass die Betätigungselemente mit der Innenseite des Gehäuse-Oberteils verbindbar sind, dass im Gehäuse-Unterteil pro Tastschalter eine Fassung mit Beleuchtungslampe angeordnet ist, die auf die Mitten des zugeordneten Tastenknopfes und des zugeordneten Betätigungselementes ausgerichtet ist, und dass das Betätigungselement die zugeordnete Fassung mit Verstellspiel umschließt und den außerhalb der Fassung angeordneten, zugeordneten Tastschalter schaltet, wenn der zugeordnete Tastenknopf betätigt und das zugeordnete Betätigungselement verstellt wird.This object is achieved according to the invention in that the hat-shaped button buttons are held by means of annular actuators captive in recesses of the housing shell that the actuators are connected to the inside of the housing shell that in the housing base per key switch a version with illumination lamp is arranged, which is aligned with the centers of the associated key button and the associated actuator, and that the actuator surrounds the associated version with Verstellspiel and arranged outside the socket, associated key switch, when the associated key button is pressed and the associated actuator is adjusted.

Bei dieser Ausgestaltung kann die Beleuchtungseinrichtung zentrisch zum Tastenknopf im Gehäuse-Unterteil befestigt werden, so dass sie den Tastenknopf gleichmäßig und ohne Schattenbildung ausleuchtet. Das ringförmige Betätigungselement legt nicht nur den Tastenknopf uvnerlierbar im Gehäuse-Oberteil fest, sondern kann mit seiner Bohrung die Fassung mit der Beleuchtungslampe umschließen und daran verstellt werden, um einen unmittelbar an die Fassung angrenzenden Tastschalter zu betätigen.In this embodiment, the lighting device can be mounted centrally to the key button in the lower housing part, so that it illuminates the key button evenly and without shadows. The annular actuator not only sets the key button captive in the housing shell, but can surround with its bore the socket with the illumination lamp and be adjusted to actuate an immediately adjacent to the socket key switch.

Der Halt und die Führung des Tastenknopfes in der Ausnehmung des Gehäuse-Oberteils lässt sich dadurch einfach erreichen, dass der Tastenknopf hohl ausgebildet ist und von dem zugeordneten Betätigungselement mit einem Bund an der Innenseite des Gehäuse-Oberteils anliegend in der Ausgangsstellung gehalten ist.The hold and the leadership of the key button in the recess of the housing upper part can be achieved simply by the fact that the key button is hollow and is held by the associated actuator with a collar on the inside of the housing shell fitting in the starting position.

Ist dabei vorgesehen, dass das Betätigungselement sich nur am Bund des Tastenknopfes abstützt, der vorzugsweise aus lichtdurchlässigem Material besteht, dann kann sich die Beleuchtungslampe durch das Betätigungselement hindurch bis in den Hohlraum des Tastenknopfes erstrecken.It is provided that the actuating element is supported only on the collar of the key button, which preferably consists of translucent material, then the illumination lamp can extend through the actuator through into the cavity of the key top.

Eine weitere vorteilhafte Ausgestaltung ist dadurch gekennzeichnet, dass die Ausnehmung in dem Gehäuse-Oberteil auf der Innenseite angeformte Führungselemente für den Bund des Tastenknopfes aufweist und dass der Tastenknopf im Bereich des Bundes einen abstehenden Ansatz aufweist, der in Anschlägen im Bereich der Ausnehmung geführt ist und den Tastenknopf unverdrehbar hält. Der Tastenknopf ist damit in der Ausnehmung verdrehsicher geführt und kann mit Kennzeichen versehen werden, die auf eine bestimmte Bedienungsrichtung ausgerichtet sind.A further advantageous embodiment is characterized in that the recess in the housing upper part on the inside of molded guide elements for the collar of the button knob has and that the button button in the region of the federal has a protruding approach, which is guided in attacks in the region of the recess and keeps the key button non-rotatable. The key button is thus guided against rotation in the recess and can be provided with marks that are aligned with a particular operating direction.

Die Festlegung der Betätigungselemente in der Nähe der Ausnehmungen des Gehäuse-Oberteils ist so gelöst, dass auf der Innenseite des Gehäuse-Oberteils eine Halterung angeformt ist, in der an dem Betätigungselement angeformte Halteelemente festlegbar sind. Dabei kann zur Reduzierung des Aufwandes zusätzlich vorgesehen sein, dass die Halterung die Halteelemente für die Betätigungselemente mehrerer nebeneinander angeordneter Tastenknöpfe aufnimmt.The determination of the actuating elements in the vicinity of the recesses of the housing upper part is achieved so that on the inside of the housing upper part a holder is formed, in which integrally formed on the actuating element retaining elements can be fixed. It can be additionally provided to reduce the effort that the holder receives the holding elements for the actuators of several juxtaposed buttons buttons.

Die notwendige Verstellbarkeit der Betätigungselemente wird dadurch erreicht, dass die Halteelemente aus einer Befestigungsleiste und daran angeformter Auslenkfedern besteht, wobei die Enden der Auslenkfedern die Betätigungselemente tragen.The necessary adjustability of the actuating elements is achieved in that the holding elements consists of a fastening strip and integrally formed deflection springs, the ends of the deflection springs carrying the actuating elements.

Die weitere Ausbildung sieht vor, dass die Betätigungselemente auf der dem Gehäuse-Unterteil zugekehrten Seite Begrenzungsansätze tragen, die die vertikale Verstellung des Betätigungselementes begrenzen. Damit kann die Schaltstellung des Betätigungselementes definiert und der Tastschalter vor Beschädigungen geschützt werden.The further training provides that the actuators carry on the housing lower side facing the boundary approaches that limit the vertical adjustment of the actuator. Thus, the switching position of the actuating element can be defined and the key switch can be protected from damage.

Die Fassungen mit den vorzugsweise als LED ausgebildeten Beleuchtungslampen sind mit den Tastschaltern auf einer Leiterplatte angeordnet und verdrahtet, die leicht im Gehäuse-Unterteil so eingebaut werden kann, dass die geforderte Ausrichtung erreicht ist. Dabei können die Tastschalter wahlweise als monostabile oder bistabile Schalter ausgelegt sein, wobei die Auslenkfedern der Betätigungselemente als Rückstellfedern für die Tastenknöpfe dienen. Dies insbesondere dann, wenn die ringförmigen Betätigungselemente mit den Auslenkfedern und der Befestigungsleiste aus elastischem Kunststoff als Spritzgussteil hergestellt werden.The sockets with the preferably designed as LED lighting lamps are arranged and wired with the key switches on a circuit board, which can be easily installed in the lower housing part so that the required alignment is achieved. In this case, the key switches can be designed either as a monostable or bistable switch, the deflection springs of the actuators serve as return springs for the key buttons. This is especially true when the annular actuators are made with the deflection springs and the fastening strip made of elastic plastic as an injection molded part.

Für eine eventuelle Nachrüstung weiterer Tastschalter kann nach einer Weiterbildung vorgesehen sein, dass im Gehäuse-Oberteil nicht belegte Ausnehmungen für Tastenknöpfe mittels ausbrechbarer Verschlussplatten abgedeckt sind.For a possible retrofitting of further key switches can be provided according to a development that are not covered in the housing upper part occupied recesses for key buttons by breakable closure plates.

Das Dokument EP 1 176 619 offenbart eine Anordnung gemäss den Oberbegriff des Anspruchs 1.The document EP 1 176 619 discloses an arrangement according to the preamble of claim 1.

Die Erfindung wird anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. Es zeigen:

Fig. 1
in perspektivischer Ansicht einen Teil eines aus Gehäuse-Oberteil und Gehäuse-Unterteil zusammensetzbaren Gehäuses mit zwei eingebauten Tastschaltern mit Beleuchtungseinrichtung und
Fig. 2
in perspektivischer Ansicht einen Teil der Innenseite des Gehäuse-Oberteils mit den Teilen für die unverlierbare Festlegung des Tastenknopfes in der Ausnehmung des Gehäuse-Oberteils.
The invention will be explained in more detail with reference to an embodiment shown in the drawing. Show it:
Fig. 1
in a perspective view a part of a housing upper part and lower housing part composable housing with two built-in push-buttons with lighting device and
Fig. 2
in a perspective view a part of the inside of the housing upper part with the parts for the captive determination of the key button in the recess of the housing upper part.

Das Gehäuse nach dem Ausführungsbeispiel besteht aus einem boxartigen Gehäuse-Oberteil 10 und einem darauf angepassten boxartigen Gehäuse-Unterteil 20, die mit ihren umlaufenden Rändern einen Gehäuse-Aufnahmeraum umschließen, der je nach Verwendungszweck verschiedene Einbauten aufnehmen kann. Für die vorliegende Erfindung ist dieser weitere Einbau nicht von Bedeutung, es werden daher in Teilansichten nur die Teile zum Einbau von Tastschaltern gezeigt. Diese Tastschalter 23 sind im Gehäuse-Unterteil 20 auf einer Leiterplatte 25 angeordnet.The housing according to the embodiment consists of a box-like housing upper part 10 and a matching box-like housing base 20 which enclose with their peripheral edges a housing-receiving space, which can accommodate various installations depending on the purpose. For the present invention, this further installation is not important, it will therefore be shown in partial views only the parts for installation of push buttons. These key switches 23 are arranged in the housing lower part 20 on a printed circuit board 25.

Die Tastenknöpfe 14 sind hutförmig, also hohl ausgebildet und weisen an der offenen Seite einen abstehenden Bund 15 auf. Die Tastenknöpfe 14 sind von der Innenseite her in die Ausnehmungen 11 des Gehäuse-Oberteils 10 eingesetzt, wobei der Bund 15 durch Anschlag die Einsetzstellung, d.h. Ausgangsstellung, des Tastenknopfes 14 festlegt. An der Innenseite des Gehäuse-Oberteils 10 sind diametral schalenförmige Führungen 12 (Fig. 2) angeformt, die den Bund 15 des Tastenknopfes 14 führen. Außerdem sind im Bereich der Ausnehmungen 1 1 Anschläge 13 angeformt, die einen Ansatz 16 am Bund 15 des Tastenknopfes 14 aufnehmen und so den Tastenknopf 14 unverdrehbar in der Ausnehmung 11 mit den Führungen 12 führen. Die Tastenknöpfe 14 sind dabei vorzugsweise aus lichtdurchlässigem Material hergestellt, da sie beleuchtet werden.The key buttons 14 are hat-shaped, so hollow and have on the open side of a projecting collar 15. The key buttons 14 are inserted from the inside into the recesses 11 of the housing upper part 10, the collar 15 by stop the insertion position, ie initial position of the key button 14 determines. On the inside of the housing upper part 10 are diametrically cup-shaped guides 12 (FIG. Fig. 2 ), which forms the Lead collar 15 of the key button 14. In addition, in the region of the recesses 1 1 stops 13 are formed, which receive a lug 16 on the collar 15 of the button knob 14 and so the key button 14 non-rotatably in the recess 11 with the guides 12 lead. The key buttons 14 are preferably made of translucent material, since they are illuminated.

Gehalten werden die Tastenknöpfe 14 in den Ausnehmungen 11 durch ringförmige Betätigungselemente 33, die sich mit dem Bund 15 des Tastenknopfes 14 decken. An dem Betätigungselement 33 ist eine als Auslenkfeder dienende Haltefeder 32 angeformt. Dabei können mehrere Haltefedern 32 mehrerer Betätigungselemente 33 mit einer Befestigungsleiste 31 zu einem einstückigen Einsatzteil vereinigt werden. Auf der Innenseite des Gehäuse-Oberteils 10 ist im Bereich der Ausnehmungen 1 1 eine Aufnahme 17 angeformt, in die die Befestigungsleiste 31 so eingesetzt werden kann, dass die Betätigungselemente 33 mit den Bünden 15 der zugeordneten Tastenknöpfe 14 zur Deckung kommen. Damit sind die Tastenknöpfe 14 unverlierbar in den Ausnehmungen 11 des Gehäuse-Oberteils 10 gehalten.Held the key buttons 14 in the recesses 11 by annular actuators 33, which coincide with the collar 15 of the key top 14. On the actuating element 33 serving as a deflection spring retaining spring 32 is formed. In this case, a plurality of retaining springs 32 of a plurality of actuating elements 33 can be combined with a fastening strip 31 to form a one-piece insert part. On the inside of the housing upper part 10 a receptacle 17 is formed in the region of the recesses 1 1, in which the fixing strip 31 can be used so that the actuators 33 come with the frets 15 of the associated key buttons 14 to cover. Thus, the key buttons 14 are held captive in the recesses 11 of the housing upper part 10.

Wie der Fig. 1 zu entnehmen ist, nimmt das Gehäuse-Unterteil 20 eine Leiterplatte 25 auf, die Fassungen 21 mit Beleuchtungslampen 22 trägt. Dabei ist die Ausrichtung so, dass die Mitten der als LED ausgebildeten Beleuchtungslampen 22 in ihren Fassungen 21 auf die Mitten der Betätigungselemente 33 und der Tastenknöpfe 14 ausgerichtet sind. Die ringförmigen Betätigungselemente 33 umschließen mit Verstellspiel die Fassungen 21 mit den Beleuchtungslampen 22 und können unmittelbar an die Fassungen 21 auf der Leiterplatte 25 befestigte Tastschalter 23 schalten. Bei geschlossenem Gehäuse können die LED's durch die Betätigungselemente 33 hindurch bis in den Hohlraum der Tastenknöpfe 14 reichen und diese gleichmäßig und ohne Schattenwirkung ausleuchten. Die ringförmigen Betätigungselemente 33 bieten um die Fassungen 21 herum genügend Kontaktflächen zu den zugeordneten Betätigungsorganen der Tastschalter 23, die als monostabile oder bistabile Schalter ausgebildet sein können. Die Haltefedern 32 dienen dabei als Rückstellfedern für die Tastenknöpfe 14, insbesondere dann, wenn die Betätigungselemente 33 mit den Haltefedern 32 und der Befestigungsleiste 31 aus elastischem Kunststoff einstückig hergestellt sind. Auf der dem Gehäuse-Unterteil 20 zugekehrten Seite der Betätigungselemente 33 sind Begrenzungsansätze 34 angeformt, die die Verstellbewegung durch Anschlag an der Leiterplatte 25 oder dem Boden des Gehäuse-Unterteils 20 begrenzen und so die Tastschalter 23 vor Beschädigungen schützen.Again Fig. 1 can be seen, the housing base 20 receives a circuit board 25, the sockets 21 with illumination lamps 22 carries. The alignment is such that the centers of the LED illumination lamps 22 are aligned in their sockets 21 on the centers of the actuators 33 and the key buttons 14. The annular actuation elements 33 enclose with adjustment clearance the sockets 21 with the illumination lamps 22 and can switch directly to the sockets 21 on the printed circuit board 25 fixed push button switch 23. When the housing is closed, the LEDs can through the actuators 33 pass through into the cavity of the key buttons 14 and illuminate them evenly and without shadow effect. The annular actuators 33 provide around the sockets around enough contact surfaces to the associated actuators of the key switch 23, which may be formed as a monostable or bistable switch. The retaining springs 32 serve as return springs for the key buttons 14, in particular when the actuators 33 are made in one piece with the retaining springs 32 and the fixing strip 31 made of elastic plastic. On the housing lower part 20 facing side of the actuators 33 limiting projections 34 are formed, which limit the adjustment by abutment against the circuit board 25 or the bottom of the housing base 20 and thus protect the key switch 23 from damage.

Am Gehäuse-Oberteil 10 können mehr als zwei Ausnehmungen 11 mit Führungen 12 und Anschläge 13 vorgesehen sein. Wird eine Ausnehmung 11 nicht belegt, dann kann sie mit einer ausbrechbaren Verschlussplatte abgedeckt und bei Bedarf geöffnet werden. Auf diese Weise kann das Gehäuse leicht mit weiteren Tastschaltern erweitert werden.On the housing upper part 10 more than two recesses 11 may be provided with guides 12 and stops 13. If a recess 11 is not occupied, then it can be covered with an ausbrechbaren closure plate and opened if necessary. In this way, the housing can be easily extended with further key switches.

Claims (11)

  1. Housing comprising a housing upper part and a housing lower part, in which momentary-contact switches which can be actuated by means of pushbuttons mounted in the housing upper part are arranged in the housing lower part, and in which lighting devices are provided in the housing lower part per momentary-contact switch for lighting the associated pushbuttons, characterized in that the hat-shaped pushbuttons (14) are held in cutouts (11) in the housing upper part (10) by means of ring-shaped actuating elements (33) in such a way that they cannot become detached, in that the actuating elements (33) can be connected to the inner side of the housing upper part (20), in that a lampholder (21) with a lighting lamp (22), which is aligned with the centres of the associated pushbutton (14) and the associated actuating element (33), is arranged per momentary-contact switch (23) in the housing lower part (20), and in that the actuating element (33) surrounds the associated lampholder (21) with an adjustment clearance and switches the associated momentary-contact switch (23) arranged outside the lampholder (21) if the associated pushbutton (14) is actuated and the associated actuating element (33) is adjusted.
  2. Housing according to Claim 1, characterized in that the pushbutton (14) is designed to be hollow and is held by the associated actuating element (33) with a collar (15) resting on the inner side of the housing upper part (10) in the initial position.
  3. Housing according to Claim 1 or 2, characterized in that the actuating element (33) is supported only on the collar (15) of the pushbutton (14), which preferably comprises a light-transmissive material.
  4. Housing according to one of Claims 1 to 3, characterized in that the cutout (11) in the housing upper part (10) has guide elements (12) integrally formed on the inner side for the collar (15) of the pushbutton (14), and in that the pushbutton (14) has a protruding shoulder (16) in the region of the collar (15), said shoulder being guided in stops (13) in the region of the cutout (11) and holding the pushbutton (14) in rotationally secure fashion.
  5. Housing according to one of Claims 1 to 4, characterized in that a holder (17) is integrally formed on the inner side of the housing upper part (10), it being possible for holding elements (31, 32), which are integrally formed on the actuating element (33), to be fixed in said holder.
  6. Housing according to Claim 5, characterized in that the holder (17) accommodates the holding elements (31, 32) for the actuating elements (33) of a plurality of pushbuttons (14) arranged next to one another.
  7. Housing according to Claim 5 or 6, characterized in that the holding elements (31, 32) comprise a fastening strip and deflecting springs integrally formed thereon, the ends of the deflecting springs bearing the actuating elements (33).
  8. Housing as claimed in one of Claims 1 to 7, characterized in that the actuating elements (33) bear limit shoulders (34) on the side facing the housing lower part (10), said limit shoulders limiting the vertical adjustment of the actuating element (33).
  9. Housing according to one of Claims 1 to 8, characterized in that the lampholders (21) with the lighting lamps (22), which are preferably in the form of LEDs, and the momentary-contact switches (23) are arranged on a printed circuit board (25) and wired.
  10. Housing according to one of Claims 1 to 9, characterized in that the momentary-contact switches (23) are optionally in the form of monostable or bistable switches, and in that the deflecting springs of the actuating elements (33) act as restoring springs for the pushbuttons (14).
  11. Housing according to one of Claims 1 to 10, characterized in that unoccupied cutouts (11) for pushbuttons (14) in the housing upper part (10) are covered by means of knock-out closure plates.
EP03005877A 2002-04-11 2003-03-15 Casing with upper and lower part and push switches actuable by push buttons Expired - Lifetime EP1353346B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10216038 2002-04-11
DE10216038A DE10216038C1 (en) 2002-04-11 2002-04-11 Housing has push switches operated by cap-shaped push knobs held fixed in openings in upper housing part by annular actuating elements attached to inner side of upper housing part

Publications (3)

Publication Number Publication Date
EP1353346A2 EP1353346A2 (en) 2003-10-15
EP1353346A3 EP1353346A3 (en) 2005-05-04
EP1353346B1 true EP1353346B1 (en) 2010-12-01

Family

ID=7714327

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03005877A Expired - Lifetime EP1353346B1 (en) 2002-04-11 2003-03-15 Casing with upper and lower part and push switches actuable by push buttons

Country Status (4)

Country Link
EP (1) EP1353346B1 (en)
AT (1) ATE490543T1 (en)
DE (2) DE10216038C1 (en)
ES (1) ES2355550T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1511050B1 (en) 2003-08-26 2017-11-15 LG Electronics, Inc. Control panel assembly and method for controlling thereof
DE102004024312B3 (en) * 2004-05-15 2006-02-02 Diehl Ako Stiftung & Co. Kg Key cap assembly

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU7596781A (en) * 1980-10-07 1982-04-22 Standard Telephones And Cables Pty. Limited Pushbutton key arrangement
DE3736116A1 (en) * 1987-10-26 1989-05-11 Preh Elektro Feinmechanik KEY COVER FOR A KEYBOARD
DE29716198U1 (en) * 1997-09-09 1997-10-30 Gira Giersiepen Gmbh & Co Kg, 42477 Radevormwald Electrical installation device, in particular buttons, sellers or switches
DE20013019U1 (en) * 2000-07-27 2001-12-20 Liebherr Hausgeraete Electronics control unit

Also Published As

Publication number Publication date
ATE490543T1 (en) 2010-12-15
EP1353346A3 (en) 2005-05-04
DE50313288D1 (en) 2011-01-13
EP1353346A2 (en) 2003-10-15
ES2355550T3 (en) 2011-03-28
DE10216038C1 (en) 2003-05-15

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