EP2276045B1 - Electric switch - Google Patents

Electric switch Download PDF

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Publication number
EP2276045B1
EP2276045B1 EP10169513.8A EP10169513A EP2276045B1 EP 2276045 B1 EP2276045 B1 EP 2276045B1 EP 10169513 A EP10169513 A EP 10169513A EP 2276045 B1 EP2276045 B1 EP 2276045B1
Authority
EP
European Patent Office
Prior art keywords
section
switch
contact element
switching
housing
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.)
Not-in-force
Application number
EP10169513.8A
Other languages
German (de)
French (fr)
Other versions
EP2276045A1 (en
Inventor
Peter Ulomek
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.)
Huf Huelsbeck and Fuerst GmbH and Co KG
Original Assignee
Huf Huelsbeck and Fuerst GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE202009013098U external-priority patent/DE202009013098U1/en
Application filed by Huf Huelsbeck and Fuerst GmbH and Co KG filed Critical Huf Huelsbeck and Fuerst GmbH and Co KG
Publication of EP2276045A1 publication Critical patent/EP2276045A1/en
Application granted granted Critical
Publication of EP2276045B1 publication Critical patent/EP2276045B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01H13/78—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 characterised by the contacts or the contact sites
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2205/00—Movable contacts
    • H01H2205/016—Separate bridge contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2205/00—Movable contacts
    • H01H2205/016—Separate bridge contact
    • H01H2205/024—Means to facilitate positioning
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2205/00—Movable contacts
    • H01H2205/016—Separate bridge contact
    • H01H2205/024—Means to facilitate positioning
    • H01H2205/028—Protuberances on substrate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/004—Collapsible dome or bubble
    • H01H2215/012—Positioning of individual dome

Definitions

  • the invention relates to an electrical switch with a arranged within a housing contact system having fixed contact elements and a switching contact element, an actuator for switching action on the contact system, which is brought by an elastic deformation of the switching contact element, the switching contact element in a rest position and in a switching position, said in the rest position, the fixed contact elements are galvanically separated from each other and in the switching position, the fixed contact elements via the switch contact element are electrically connected to each other.
  • a switch having a contact system disposed within a housing.
  • the contact system consists inter alia of fixed contact elements and a switching contact element, which is designed as a snap-action disc.
  • a manual actuation of the actuating member of the switch, an elastic deformation of the snap-action disc can be achieved, whereby the fixed contact elements are electrically connected to each other.
  • the snap-action disc is fastened to the housing by a separate component.
  • a switch which has a switching contact element with a switching portion and a fixing portion, wherein the switching portion for electrically connecting the fixed contact elements and the fixing portion ensures a fixation of the switching contact element in the housing, without contacting fixed contact elements.
  • the invention provides that the switching contact element has a switching portion and a fixing portion, wherein the fixing portion is spaced from the switching portion, and the switching portion for electrically connecting the fixed contact elements and the fixing portion ensures a reliable fixation of the switching contact element in the housing.
  • the switching contact element has two zones which are separated from each other.
  • the first zone is the switch section and the second zone is the attachment section.
  • On the Switching section is a possible contacting the fixed contact elements.
  • the attachment portion has one of its main functions to reliably hold the switching contact element within the housing of the electrical switch.
  • the two said zones are spaced apart, in particular by a free space spaced from each other. There is no need for a separate holding element, which must fix the switching contact element within the housing. Thus, a further component is saved, whereby a much faster and cost-effective production can be achieved.
  • the switching contact element may have at least one connecting section which connects the switching section to the fastening section.
  • the switching contact element can form a monolithic component with the switching section and / or the fastening section and / or the connecting section.
  • the switching contact element with the switching section, the fastening section and the connecting section is made of the same material. It is also conceivable that the said sections form a common component, but consist of different materials.
  • the switching contact element is a metallic stamped part.
  • the connecting portion may be designed geometrically such that during the change between the rest position and the switching position of the switching contact element, an elastic deformation of the mounting portion is prevented.
  • the elastic deformation is "intercepted" or filtered out from the connecting portion when the actuator is acted on the contact system, starting from the switching portion, so that the Mounting portion during the change between the rest position and the switching position of the switching contact element remains rigid and immobile in its position.
  • the connecting portion of the switching contact element is designed as a thin web.
  • the connecting section may be resilient.
  • the attachment portion may be positively and / or non-positively and / or materially connected to the housing, in particular the attachment portion is fastened via a latching connection to the housing.
  • a clip connection is conceivable, by means of which the attachment portion can be reliably fixed to the housing.
  • the attachment portion has an opening in which a projection-like base of the housing is received, whereby a reliable attachment of the switching contact element can be achieved.
  • the attachment portion has at least one retaining element on the opening, wherein the retaining element is elastically deformed in the mounted state of the switching contact element on the housing and rests on the base.
  • the fitter attaches the switch contact element to the housing, an elastic deformation of the or of the holding elements takes place, whereby the geometric size of the opening is increased.
  • the base of the housing passes through the opening during the assembly process, at the same time the outer wall of the base deforms the elastic or the holding elements.
  • the holding element can engage with its free end a little in the material of the base, which is preferably made of plastic. As a result, an additional improvement of the attachment of the switching contact element is achieved on the housing.
  • the actuating member is manually operable from the outside, in particular when a plunger element is provided on the actuating member within the housing.
  • the actuator and the plunger element may be designed as a common component.
  • the switching contact element is a hard metal chip.
  • the switching section may in this case be designed as a curved body.
  • the switching contact element bulges in the direction of the fixed contact elements and reaches the switching position in which the switching contact element electrically connects the fixed contact elements. As a result, the electrical contact between the fixed contact elements is produced.
  • the actuator acts on the actuator a restoring force, which always tries to move the return member to its original position, in which the switching contact element is at the same time in the rest position.
  • the restoring force may, inter alia, or solely on the basis of the switching contact element, the endeavor, when the operating force on the actuator decreases abruptly in his bulging starting position, which is the rest position to return.
  • the restoring force is generated by a spring element that supports the return process of the actuator.
  • the electrical switch may have limiting means within the housing, which limit a deflection movement of the actuating member.
  • the present invention also relates to an actuating unit of a movable part of a motor vehicle, in particular a tailgate, wherein the actuating unit comprises the electrical switch.
  • FIG. 1 shows an electrical switch 1, which has a contact system 4, which has two fixed contact elements 10 which extend parallel and spaced from each other within the housing 2.
  • an elastically deformable switching contact element 20 is fastened to the housing 2, the switching contact element 20 having a switching section 21 and a fastening section 22. There is a free space between the switching section 21 and the attachment section 22.
  • the switching portion 21 is connected via a connecting portion 23 with the mounting portion 22, wherein the connecting portion 23 is located in the free space.
  • the switching contact element 20 forms a monolithic component with the switching section 21 and the fastening section 22 as well as the connecting section 23.
  • the switching contact element 20 is a metallic stamped part.
  • the switching section 21 has a center on a pressure area 26 and four foot portions 27a, 27b.
  • the foot portions 27a jointly contact one of the two fixed contact elements 10.
  • the foot portions 27b of the switching portion 21 rest on the plastic housing 2 without contacting the fixed contact elements 10.
  • the fastening of the switching contact element 20 takes place in the region of the fastening section 22.
  • the fastening section 22 has an opening 24.
  • a base 5 of the housing 2 extends.
  • the mounting portion 22 in the region of the opening 24 on a plurality of holding elements 25 which are elastically deformed during the assembly operation of the switching contact element 20 on the housing 2 through the base 5 and according to FIG. 3 reach their deformation end position.
  • the free ends of the holding elements 25 penetrate a little into the surface of the plastic base 5, whereby a secure attachment of the attachment portion 22 on the housing 2 can be achieved.
  • the fixed contact elements 10 extend parallel to each other in the direction of a housing 2 on the outside connecting element 8.
  • the connecting element 8 is designed sleeve-shaped in the present embodiment.
  • an electrical connection to the fixed contact elements 10 can be achieved, for example, via a plug.
  • two fastening means 7 are provided in order to fix the switch 1 in its overall construction to a not explicitly shown component or object.
  • the electrical switch 1 is equipped with an actuator 3, which can be manually operated.
  • the switching contact element 20 is brought from its rest position I in a dashed line position II by the plunger 6 a force on the switching section 21st , in particular to the pressure region 26, and thus causes a slight elastic deformation of the switching portion 21.
  • the switching position II of the switching section 21 contacts the left fixed contact element 10, whereby an electrical connection between the two fixed contact elements 10 is achieved via the switching contact element 20.
  • the fixed contact elements 10 are galvanically separated from each other, wherein the switching portion 21 with its foot portion 27a touches the right fixed contact element 10.
  • the connecting portion 23 is designed as a thin web 23 which extends from the foot portion 27 a along a curved path to the attachment portion 22.
  • two webs 23 are arranged, which connect the attachment portion 22 with the switching portion 21.
  • the connecting portion 23 can also be elastically deformed.
  • the connection portion 23 prevents elastic deformation from being transmitted to the attachment portion 22.
  • This electrical switch 1 can not only be used in an actuating unit of a movable part of a motor vehicle, in particular a tailgate. Rather, the field of application of the electrical switch comprises all fields of application which are available to a person skilled in the art and in which an electrical switch can be used.

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  • Push-Button Switches (AREA)
  • Mechanisms For Operating Contacts (AREA)

Description

Die Erfindung betrifft einen elektrischen Schalter mit einem innerhalb eines Gehäuses angeordneten Kontaktsystem, das Festkontaktelemente und ein Schaltkontaktelement aufweist, einem Betätigungsorgan zur schaltenden Einwirkung auf das Kontaktsystem, wobei durch eine elastische Verformung des Schaltkontaktelementes das Schaltkontaktelement in eine Ruhestellung und in eine Schaltstellung bringbar ist, wobei in der Ruhestellung die Festkontaktelemente galvanisch voneinander getrennt sind und in der Schaltstellung die Festkontaktelemente über das Schaltkontaktelement miteinander elektrisch verbunden sind.The invention relates to an electrical switch with a arranged within a housing contact system having fixed contact elements and a switching contact element, an actuator for switching action on the contact system, which is brought by an elastic deformation of the switching contact element, the switching contact element in a rest position and in a switching position, said in the rest position, the fixed contact elements are galvanically separated from each other and in the switching position, the fixed contact elements via the switch contact element are electrically connected to each other.

In der DE 10 2008 049 580.8 ist ein Schalter offenbart, der ein Kontaktsystem aufweist, das innerhalb eines Gehäuses angeordnet ist. Das Kontaktsystem besteht unter anderem aus Festkontaktelementen sowie einem Schaltkontaktelement, welches als Schnappscheibe ausgeführt ist. Über eine manuelle Betätigung des Betätigungsorgans des Schalters ist eine elastische Verformung der Schnappscheibe erzielbar, wodurch die Festkontaktelemente elektrisch miteinander verbunden werden. Die Schnappscheibe wird durch ein separates Bauteil am Gehäuse befestigt.In the DE 10 2008 049 580.8 For example, a switch is disclosed having a contact system disposed within a housing. The contact system consists inter alia of fixed contact elements and a switching contact element, which is designed as a snap-action disc. A manual actuation of the actuating member of the switch, an elastic deformation of the snap-action disc can be achieved, whereby the fixed contact elements are electrically connected to each other. The snap-action disc is fastened to the housing by a separate component.

Aus der JP S55 114136 U ist ein Schalter bekannt, welcher ein Schaltkontaktelement mit einem Schaltabschnitt und einem Befestigungsabschnitt aufweist, wobei der Schaltabschnitt zur elektrischen Verbindung der Festkontaktelemente dient und der Befestigungsabschnitt eine Fixierung des Schaltkontaktelementes im Gehäuse gewährleistet, ohne Festkontaktelemente zu kontaktieren.From the JP S55 114136 U a switch is known, which has a switching contact element with a switching portion and a fixing portion, wherein the switching portion for electrically connecting the fixed contact elements and the fixing portion ensures a fixation of the switching contact element in the housing, without contacting fixed contact elements.

Es ist Aufgabe der vorliegenden Erfindung, einen elektrischen Schalter zu schaffen, der derart gestaltet ist, dass die Gesamtkonstruktion vereinfacht ist und gleichzeitig die Montagefreundlichkeit der einzelnen Bauelemente des elektrischen Schalters verbessert wird.It is an object of the present invention to provide an electrical switch which is designed such that the overall construction is simplified and at the same time the ease of assembly of the individual components of the electrical switch is improved.

Zur Lösung dieser Aufgabe wird ein elektrischer Schalter mit den Merkmalen des Anspruches 1 vorgeschlagen. In den abhängigen Ansprüchen sind bevorzugte Weiterbildungen ausgeführt.To solve this problem, an electrical switch with the features of claim 1 is proposed. In the dependent claims preferred developments are carried out.

Dazu ist erfindungsgemäß vorgesehen, dass das Schaltkontaktelement einen Schaltabschnitt und einen Befestigungsabschnitt aufweist, wobei der Befestigungsabschnitt vom Schaltabschnitt beabstandet ist, und der Schaltabschnitt zur elektrischen Verbindung der Festkontaktelemente dient und der Befestigungsabschnitt eine zuverlässige Fixierung des Schaltkontaktelementes im Gehäuse gewährleistet.For this purpose, the invention provides that the switching contact element has a switching portion and a fixing portion, wherein the fixing portion is spaced from the switching portion, and the switching portion for electrically connecting the fixed contact elements and the fixing portion ensures a reliable fixation of the switching contact element in the housing.

Einer der wesentlichen Vorteile dieser Erfindung ist, dass das Schaltkontaktelement zwei Zonen aufweist, die voneinander getrennt sind. Die erste Zone ist der Schaltabschnitt und die zweite Zone ist der Befestigungsabschnitt. Über den Schaltabschnitt erfolgt eine etwaige Kontaktierung der Festkontaktelemente. Der Befestigungsabschnitt hat eine seiner Hauptaufgaben, das Schaltkontaktelement zuverlässig innerhalb des Gehäuses des elektrischen Schalters zu halten. Hierbei sind die beiden genannten Zonen voneinander beabstandet, insbesondere durch einen Freiraum voneinander beabstandet. Es ist kein separates Halteelement notwendig, welches das Schaltkontaktelement innerhalb des Gehäuses fixieren muss. Somit wird ein weiteres Bauteil eingespart, wodurch eine deutlich schnellere und kostengünstige Herstellung erzielbar ist.One of the essential advantages of this invention is that the switching contact element has two zones which are separated from each other. The first zone is the switch section and the second zone is the attachment section. On the Switching section is a possible contacting the fixed contact elements. The attachment portion has one of its main functions to reliably hold the switching contact element within the housing of the electrical switch. Here, the two said zones are spaced apart, in particular by a free space spaced from each other. There is no need for a separate holding element, which must fix the switching contact element within the housing. Thus, a further component is saved, whereby a much faster and cost-effective production can be achieved.

In einer möglichen Ausführungsform der Erfindung kann das Schaltkontaktelement mindestens einen Verbindungsabschnitt aufweisen, der den Schaltabschnitt mit dem Befestigungsabschnitt verbindet. Vorteilhafterweise kann das Schaltkontaktelement mit dem Schaltabschnitt und/oder dem Befestigungsabschnitt und/oder dem Verbindungsabschnitt ein monolithisches Bauteil bilden. In einer möglichen Ausgestaltung des elektrischen Schalters ist das Schaltkontaktelement mit dem Schaltabschnitt, dem Befestigungsabschnitt und dem Verbindungsabschnitt materialeinheitlich ausgeführt. Ebenfalls ist es denkbar, dass die genannten Abschnitte zwar ein gemeinsames Bauteil bilden, jedoch aus unterschiedlichen Materialien bestehen. In einer bevorzugten Ausgestaltung des elektrischen Schalters ist das Schaltkontaktelement ein metallisches Stanzteil.In one possible embodiment of the invention, the switching contact element may have at least one connecting section which connects the switching section to the fastening section. Advantageously, the switching contact element can form a monolithic component with the switching section and / or the fastening section and / or the connecting section. In one possible embodiment of the electrical switch, the switching contact element with the switching section, the fastening section and the connecting section is made of the same material. It is also conceivable that the said sections form a common component, but consist of different materials. In a preferred embodiment of the electrical switch, the switching contact element is a metallic stamped part.

Vorzugsweise kann der Verbindungsabschnitt derart geometrisch ausgeführt sein, dass während des Wechsels zwischen der Ruhestellung und der Schaltstellung des Schaltkontaktelementes eine elastische Verformung des Befestigungsabschnitts verhindert wird. Damit eine zuverlässige Befestigung des Schaltkontaktelementes gewährleistet ist, ist es vorteilhaft, dass während des Wechsels zwischen der Ruhestellung und der Schaltstellung des Schaltkontaktelementes eine elastische Verformung am Befestigungsabschnitt nicht entsteht, welches nachteiligerweise mit einer etwaigen Bewegung oder Verschiebung des Schaltkontaktelementes verbunden wäre und somit die Funktionsweise des Kontaktsystems beeinträchtigt werden könnte. Erfindungsgemäß wird die elastische Verformung bei der Einwirkung des Betätigungsorgans auf das Kontaktsystem ausgehend vom Schaltabschnitt vom Verbindungsabschnitt "abgefangen" oder herausgefiltert, sodass der Befestigungsabschnitt während des Wechsels zwischen der Ruhestellung und der Schaltstellung des Schaltkontaktelementes starr und unbeweglich in seiner Lage verbleibt.Preferably, the connecting portion may be designed geometrically such that during the change between the rest position and the switching position of the switching contact element, an elastic deformation of the mounting portion is prevented. In order for a reliable attachment of the switching contact element is ensured, it is advantageous that does not arise during the change between the rest position and the switching position of the switching contact element elastic deformation on the attachment portion, which would be disadvantageously associated with any movement or displacement of the switching contact element and thus the operation of the Contact system could be affected. According to the invention, the elastic deformation is "intercepted" or filtered out from the connecting portion when the actuator is acted on the contact system, starting from the switching portion, so that the Mounting portion during the change between the rest position and the switching position of the switching contact element remains rigid and immobile in its position.

Vorzugsweise ist der Verbindungsabschnitt des Schaltkontaktelementes als dünner Steg ausgeführt. Um möglichst zuverlässig die elastische Verformung vom Schaltabschnitt aufzunehmen, kann der Verbindungsabschnitt federnd ausgebildet sein.Preferably, the connecting portion of the switching contact element is designed as a thin web. In order to absorb as reliably as possible the elastic deformation of the switching section, the connecting section may be resilient.

In einer Ausführungsform des elektrischen Schalters kann der Befestigungsabschnitt mit dem Gehäuse form- und/oder kraft- und/oder stoffschlüssig verbunden sein, insbesondere ist der Befestigungsabschnitt über eine Rastverbindung am Gehäuse befestigt. Beispielsweise ist eine Klipsverbindung denkbar, durch die der Befestigungsabschnitt am Gehäuse zuverlässig fixiert werden kann.In one embodiment of the electrical switch, the attachment portion may be positively and / or non-positively and / or materially connected to the housing, in particular the attachment portion is fastened via a latching connection to the housing. For example, a clip connection is conceivable, by means of which the attachment portion can be reliably fixed to the housing.

Der Befestigungsabschnitt weist einen Durchbruch auf, in dem ein vorsprungartiger Sockel des Gehäuses aufgenommen ist, wodurch eine zuverlässige Befestigung des Schaltkontaktelementes erzielbar ist. Zudem weist der Befestigungsabschnitt mindestens ein Halteelement am Durchbruch auf, wobei das Halteelement im montierten Zustand des Schaltkontaktelementes am Gehäuse elastisch verformt ist und am Sockel anliegt.The attachment portion has an opening in which a projection-like base of the housing is received, whereby a reliable attachment of the switching contact element can be achieved. In addition, the attachment portion has at least one retaining element on the opening, wherein the retaining element is elastically deformed in the mounted state of the switching contact element on the housing and rests on the base.

Während der Monteur das Schaltkontaktelement am Gehäuse befestigt, erfolgt eine elastische Verformung des oder der Halteelemente wodurch die geometrische Größe des Durchbruchs vergrößert wird. Der Sockel des Gehäuses durchfährt beim Montagevorgang den Durchbruch, wobei gleichzeitig die Außenwandung des Sockels das oder die Halteelemente elastisch verformt. Im befestigten Zustand kann das Halteelement mit seinem freien Ende ein wenig in das Material des Sockels eingreifen, welcher vorzugsweise aus Kunststoff gefertigt ist. Hierdurch wird eine zusätzliche Verbesserung der Befestigung des Schaltkontaktelementes am Gehäuse erzielt.While the fitter attaches the switch contact element to the housing, an elastic deformation of the or of the holding elements takes place, whereby the geometric size of the opening is increased. The base of the housing passes through the opening during the assembly process, at the same time the outer wall of the base deforms the elastic or the holding elements. In the attached state, the holding element can engage with its free end a little in the material of the base, which is preferably made of plastic. As a result, an additional improvement of the attachment of the switching contact element is achieved on the housing.

Vorteilhafterweise ist das Betätigungsorgan von außen manuell betätigbar, insbesondere wenn ein Stößelelement am Betätigungsorgan innerhalb des Gehäuses vorgesehen ist. Das Betätigungsorgan sowie das Stößelelement können als gemeinsames Bauteil ausgeführt sein.Advantageously, the actuating member is manually operable from the outside, in particular when a plunger element is provided on the actuating member within the housing. The actuator and the plunger element may be designed as a common component.

Vorteilhafterweise ist das Schaltkontaktelement ein Hartmetallplättchen. Der Schaltabschnitt kann hierbei als gewölbter Körper ausgeführt sein. Über die Druckkraft des Stößels wölbt das Schaltkontaktelement sich in Richtung der Festkontaktelemente aus und erreicht die Schaltstellung, bei der das Schaltkontaktelement die Festkontaktelemente elektrisch miteinander verbindet. Hierdurch ist der elektrische Kontakt zwischen den Festkontaktelementen hergestellt.Advantageously, the switching contact element is a hard metal chip. The switching section may in this case be designed as a curved body. About the pressing force of the plunger, the switching contact element bulges in the direction of the fixed contact elements and reaches the switching position in which the switching contact element electrically connects the fixed contact elements. As a result, the electrical contact between the fixed contact elements is produced.

Vorteilhafterweise wirkt auf das Betätigungsorgan eine Rückstellkraft, die stets versucht, das Rückstellorgan in seine Ausgangsposition zu bewegen, bei der sich gleichzeitig das Schaltkontaktelement in der Ruhestellung befindet. Beispielsweise kann die Rückstellkraft unter anderem oder alleine vom Schaltkontaktelement ausgehen, das bestrebt ist, bei nachlassender Betätigungskraft am Betätigungsorgan schlagartig in seiner vorgewölbten Ausgangslage, die die Ruhestellung ist, zurückzukehren. Ebenfalls ist es denkbar, dass die Rückstellkraft über ein Federelement erzeugt wird, die den Rückstellprozess des Betätigungsorgans unterstützt. Um das Schaltkontaktelement vor einer kraftmäßigen Überlastung zu schützen, kann der elektrische Schalter Begrenzungsmittel innerhalb des Gehäuses aufweisen, die eine Auslenkbewegung des Betätigungsorgans beschränken.Advantageously, acts on the actuator a restoring force, which always tries to move the return member to its original position, in which the switching contact element is at the same time in the rest position. For example, the restoring force may, inter alia, or solely on the basis of the switching contact element, the endeavor, when the operating force on the actuator decreases abruptly in his bulging starting position, which is the rest position to return. It is also conceivable that the restoring force is generated by a spring element that supports the return process of the actuator. In order to protect the switching contact element against a force overload, the electrical switch may have limiting means within the housing, which limit a deflection movement of the actuating member.

Die vorliegende Erfindung bezieht sich ebenfalls auf eine Betätigungseinheit eines beweglichen Teils eines Kraftfahrzeuges, insbesondere einer Heckklappe, wobei die Betätigungseinheit den elektrischen Schalter aufweist.The present invention also relates to an actuating unit of a movable part of a motor vehicle, in particular a tailgate, wherein the actuating unit comprises the electrical switch.

Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung, in der unter Bezugnahme auf die Zeichnungen ein Ausführungsbeispiel der Erfindung im Einzelnen beschrieben ist. Dabei können die in den Ansprüchen und in der Beschreibung erwähnten Merkmale jeweils einzeln für sich oder in beliebiger Kombination erfindungswesentlich sein. Es zeigen:

Figur 1
eine Draufsicht auf einen elektrischen Schalter,
Figur 2
eine vereinfachte Seitenansicht auf das Schaltkontaktelement, das gemäß
Figur 1
innerhalb des Schalters angeordnet ist und
Figur 3
eine Schnittansicht gemäß III-III aus Figur 1.
Further advantages, features and details of the invention will become apparent from the following description in which, with reference to the drawings, an embodiment of the invention is described in detail. The can in the claims and in the description mentioned features should be essential to the invention individually or in any combination. Show it:
FIG. 1
a top view of an electrical switch,
FIG. 2
a simplified side view of the switch contact element, according to
FIG. 1
is arranged inside the switch and
FIG. 3
a sectional view according to III-III FIG. 1 ,

Figur 1 zeigt einen elektrischen Schalter 1, der ein Kontaktsystem 4 aufweist, das zwei Festkontaktelemente 10 aufweist, die parallel und beabstandet zueinander innerhalb des Gehäuses 2 verlaufen. Zudem ist ein elastisch verformbares Schaltkontaktelement 20 am Gehäuse 2 befestigt, wobei das Schaltkontaktelement 20 einen Schaltabschnitt 21 und einen Befestigungsabschnitt 22 aufweist. Zwischen dem Schaltabschnitt 21 und dem Befestigungsabschnitt 22 besteht ein Freiraum. Der Schaltabschnitt 21 ist über einen Verbindungsabschnitt 23 mit dem Befestigungsabschnitt 22 verbunden, wobei der Verbindungsabschnitt 23 im Freiraum liegt. Das Schaltkontaktelement 20 bildet mit dem Schaltabschnitt 21 und dem Befestigungsabschnitt 22 sowie den Verbindungsabschnitt 23 ein monolithisches Bauteil. Im vorliegenden Ausführungsbeispiel ist das Schaltkontaktelement 20 ein metallisches Stanzteil. FIG. 1 shows an electrical switch 1, which has a contact system 4, which has two fixed contact elements 10 which extend parallel and spaced from each other within the housing 2. In addition, an elastically deformable switching contact element 20 is fastened to the housing 2, the switching contact element 20 having a switching section 21 and a fastening section 22. There is a free space between the switching section 21 and the attachment section 22. The switching portion 21 is connected via a connecting portion 23 with the mounting portion 22, wherein the connecting portion 23 is located in the free space. The switching contact element 20 forms a monolithic component with the switching section 21 and the fastening section 22 as well as the connecting section 23. In the present embodiment, the switching contact element 20 is a metallic stamped part.

Der Schaltabschnitt 21 weist mittig einen Druckbereich 26 auf sowie vier Fußbereiche 27a, 27b. Die Fußbereiche 27a kontaktieren gemeinsam einen der beiden Festkontaktelemente 10. Die Fußbereiche 27b des Schaltabschnittes 21 liegen auf dem Kunststoffgehäuse 2 auf, ohne die Festkontaktelemente 10 zu kontaktieren.The switching section 21 has a center on a pressure area 26 and four foot portions 27a, 27b. The foot portions 27a jointly contact one of the two fixed contact elements 10. The foot portions 27b of the switching portion 21 rest on the plastic housing 2 without contacting the fixed contact elements 10.

Die Befestigung des Schaltkontaktelementes 20 erfolgt im Bereich des Befestigungsabschnittes 22. Der Befestigungsabschnitt 22 weist einen Durchbruch 24 auf. Innerhalb des Durchbruchs 24 erstreckt sich ein Sockel 5 des Gehäuses 2. Während der Montage des Schaltkontaktelementes 20 steckt der Monteur den Befestigungsabschnitt 22 des Schaltkontaktelementes 20 auf den Sockel 5. Wie gemäß Figur 1 zu erkennen ist, weist der Befestigungsabschnitt 22 im Bereich des Durchbruchs 24 mehrere Halteelemente 25 auf, die während des Montagevorgangs des Schaltkontaktelementes 20 am Gehäuse 2 durch den Sockel 5 elastisch verformt werden und gemäß Figur 3 ihre Verformungsendstellung erreichen. Hierbei dringen die freien Enden der Halteelemente 25 ein wenig in die Oberfläche des Kunststoffsockels 5 hinein, wodurch eine sichere Befestigung des Befestigungsabschnittes 22 am Gehäuse 2 erzielbar ist.The fastening of the switching contact element 20 takes place in the region of the fastening section 22. The fastening section 22 has an opening 24. Within the opening 24, a base 5 of the housing 2 extends. During assembly of the switching contact element 20 of the fitter puts the Attachment portion 22 of the switching contact element 20 on the base 5. As in accordance with FIG. 1 can be seen, the mounting portion 22 in the region of the opening 24 on a plurality of holding elements 25 which are elastically deformed during the assembly operation of the switching contact element 20 on the housing 2 through the base 5 and according to FIG. 3 reach their deformation end position. In this case, the free ends of the holding elements 25 penetrate a little into the surface of the plastic base 5, whereby a secure attachment of the attachment portion 22 on the housing 2 can be achieved.

Die Festkontaktelemente 10 verlaufen parallel zueinander in Richtung eines am Gehäuse 2 außenliegenden Anschlusselement 8. Das Anschlusselement 8 ist im vorliegenden Ausführungsbeispiel hülsenförmig ausgeführt. Am Anschlusselement 8 kann beispielsweise über einen Stecker eine elektrische Verbindung zu den Festkontaktelementen 10 erzielt werden. Seitlich zum Anschlusselement 8 sind zwei Befestigungsmittel 7 vorgesehen, um den Schalter 1 in seiner Gesamtkonstruktion an ein nicht explizit dargestelltes Bauteil oder Gegenstand zu befestigen.The fixed contact elements 10 extend parallel to each other in the direction of a housing 2 on the outside connecting element 8. The connecting element 8 is designed sleeve-shaped in the present embodiment. At the connection element 8, an electrical connection to the fixed contact elements 10 can be achieved, for example, via a plug. Laterally to the connecting element 8, two fastening means 7 are provided in order to fix the switch 1 in its overall construction to a not explicitly shown component or object.

Gemäß Figur 2 ist der elektrische Schalter 1 mit einem Betätigungsorgan 3 ausgestattet, welches manuell betätigt werden kann. Im vorliegenden Ausführungsbeispiel weist das Betätigungsorgan 3 einen Stößel 6 auf, der sich in Richtung des Schaltkontaktelementes 20 vorsprungartig erstreckt. Erfolgt nun eine bewusste Betätigung des Betätigungsorgans 3, drückt der Stößel 6 auf den in Richtung des Betätigungsorgans 3 gewölbten Schaltabschnitt 21. Das Schaltkontaktelement 20 wird aus seiner Ruhestellung I in eine gestrichelt gezeichnete Schaltstellung II gebracht, indem der Stößel 6 eine Kraft auf den Schaltabschnitt 21, insbesondere auf den Druckbereich 26, ausübt und somit eine leichte elastische Verformung des Schaltabschnittes 21 bewirkt. In der Schaltstellung II berührt der Schaltabschnitt 21 das linke Festkontaktelement 10, wodurch eine elektrische Verbindung beider Festkontaktelemente 10 über das Schaltkontaktelement 20 erreicht wird. In der Ruhestellung I sind die Festkontaktelemente 10 galvanisch voneinander getrennt, wobei der Schaltabschnitt 21 mit seinem Fußbereich 27a das rechte Festkontaktelement 10 berührt.According to FIG. 2 the electrical switch 1 is equipped with an actuator 3, which can be manually operated. In the present embodiment, the actuating member 3 on a plunger 6, which extends in the direction of the switching contact element 20 protrusion. Now, if a deliberate actuation of the actuator 3, pushes the plunger 6 on the curved in the direction of the actuator 3 switching section 21. The switching contact element 20 is brought from its rest position I in a dashed line position II by the plunger 6 a force on the switching section 21st , in particular to the pressure region 26, and thus causes a slight elastic deformation of the switching portion 21. In the switching position II of the switching section 21 contacts the left fixed contact element 10, whereby an electrical connection between the two fixed contact elements 10 is achieved via the switching contact element 20. In the rest position I, the fixed contact elements 10 are galvanically separated from each other, wherein the switching portion 21 with its foot portion 27a touches the right fixed contact element 10.

Der Verbindungsabschnitt 23 ist als dünner Steg 23 ausgeführt, der vom Fußbereich 27a entlang einer Kurvenbahn zum Befestigungsabschnitt 22 verläuft. Im vorliegenden Ausführungsbeispiel sind zwei Stege 23 angeordnet, die den Befestigungsabschnitt 22 mit dem Schaltabschnitt 21 verbinden. Über die elastische Verformung des Schaltabschnittes 21 während eines Zustandswechsels des Schaltkontaktelementes 20 zwischen der Ruhestellung I und der Schaltstellung II, kann der Verbindungsabschnitt 23 ebenfalls elastisch verformt werden. Der Verbindungsabschnitt 23 verhindert jedoch, dass eine elastische Verformung auf den Befestigungsabschnitt 22 übertragen wird.The connecting portion 23 is designed as a thin web 23 which extends from the foot portion 27 a along a curved path to the attachment portion 22. In the present embodiment, two webs 23 are arranged, which connect the attachment portion 22 with the switching portion 21. About the elastic deformation of the switching portion 21 during a state change of the switching contact element 20 between the rest position I and the switching position II, the connecting portion 23 can also be elastically deformed. However, the connection portion 23 prevents elastic deformation from being transmitted to the attachment portion 22.

Dieser elektrische Schalter 1 kann nicht nur in einer Betätigungseinheit eines beweglichen Teils eines Kraftfahrzeuges, insbesondere einer Heckklappe, zum Einsatz kommen. Das Einsatzgebiet des elektrischen Schalters umfasst vielmehr sämtliche, dem Fachmann sich bietende Einsatzgebiete, in den ein elektrischer Schalter Verwendung finden kann.This electrical switch 1 can not only be used in an actuating unit of a movable part of a motor vehicle, in particular a tailgate. Rather, the field of application of the electrical switch comprises all fields of application which are available to a person skilled in the art and in which an electrical switch can be used.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Schalterswitch
22
Gehäusecasing
33
Betätigungsorganactuator
44
KontaktsystemContact system
55
Sockelbase
66
Stößeltappet
77
Befestigungsmittelfastener
88th
Anschlusselementconnecting element
1010
FestkontaktelementFixed contact element
2020
SchaltkontaktelementSwitching contact element
2121
Schaltabschnittswitching section
2222
Befestigungsabschnittattachment section
2323
Verbindungsabschnitt, dünner StegConnecting section, thin bridge
2424
Durchbruchbreakthrough
2525
Halteelementretaining element
2626
Druckbereichpressure range
27a27a
Fußbereichfooter
27b27b
Fußbereichfooter
II
Ruhestellungrest position
IIII
Schalstellungscarf position

Claims (12)

  1. Electrical switch (1) with a contact system (4) arranged inside a housing (2) that has fixed contact elements (10) and a switch contact element (20), an actuating device (3) for the switching action on the contact system (4), whereby the switch contact element (20) can be moved into an rest position (I) and into a shift position (II) via an elastic displacement of the switch contact element (20), whereby, in the rest position (I), the fixed contact elements (10) are galvanically separated from each other and, in the shift position (II), the fixed contact elements (10) are electrically connected to each other via the switch contact element (20),
    whereby, the switch contact element (20) has a switching section (21) and a fastening section (22), whereby the fastening section (22) is spaced away from the switching section (21), the switching section (21) serves as an electrical connection for the fixed contact elements (10) and the fastening section (22) ensures reliable fixation of the switch contact element (20) within the housing (2) without contacting the fixed contact elements (10) and whereby the fastening section (22) has a breakthrough opening (24)
    where a protrusion-like base (5) of the housing (2) is accommodated, by means of which reliable fasting of the switch contact element (20) can be achieved,
    characterized in that
    the fastening section (22) has at least one holding element (25) at the breakthrough opening (24), whereby the holding element (25) is elastically formed on the housing (2) is applied against in the mounted state of the switch contact element (20) and the base (5).
  2. Electric switch (1) according to Claim 1,
    characterized in that
    the switch contact element (20) has at least one interconnecting section (23), that connects the switching section (21) to the fastening section (22).
  3. Electric switch (1) according to Claim 2,
    characterized in that
    the switch contact element (20) along with the switching section (21), the fastening section (22) and the interconnecting section (23) form a monolithic component.
  4. Electric switch (1) according to one of the Claims 2 or 3,
    characterized in that
    the interconnecting section (23) is geometrically designed in such a way that, when changing between the rest position (I) and the shift position (II) of the switch contact element (20), an elastic displacement of the fastening section (22) is hindered.
  5. Electric switch (1) according to Claim 4,
    characterized in that
    the interconnecting section (23) is designed as a thin bridge (23).
  6. Electric switch (1) according to one of the Claims 2 - 5,
    characterized in that
    the interconnecting section (23) is designed to be springy.
  7. Electric switch (1) according to any one of the preceding claims,
    characterized in that
    the switch contact element (20) is a metallic punched part.
  8. Electric switch (1) according to any one of the preceding claims,
    characterized in that
    the fastening section (22) is connected to the housing (2) in an interlocking and/or force fitting and/or bonding manner, especially, it is connected via a snap-locking connection on the housing (2).
  9. Electric switch (1) according to any one of the preceding claims,
    characterized in that
    the actuating device (3) is manually operable from the outside, especially a plunger element (6) is provided on the actuating device (3) within the housing (2).
  10. Electric switch (1) according to one of the Claims 2 - 9,
    characterized in that
    between the switch section (21) and the fastening section (22), there is a free space, whereby the interconnecting section (23) lies within the free space.
  11. Electric switch (1) according to one of the Claims 2 - 10,
    characterized in that
    the interconnecting section (23) runs from the switch section (21) to the fastening section (23) along a curved path.
  12. Actuator device of a movable part of a vehicle, in particular, a tailgate, whereby the actuator device has the electric switch (1) in accordance with any one of the preceding claims.
EP10169513.8A 2009-07-15 2010-07-14 Electric switch Not-in-force EP2276045B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202009013098U DE202009013098U1 (en) 2009-07-15 2009-07-15 operating unit
DE102009046704A DE102009046704A1 (en) 2009-07-15 2009-11-13 Electric switch

Publications (2)

Publication Number Publication Date
EP2276045A1 EP2276045A1 (en) 2011-01-19
EP2276045B1 true EP2276045B1 (en) 2017-09-06

Family

ID=42935513

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10169513.8A Not-in-force EP2276045B1 (en) 2009-07-15 2010-07-14 Electric switch

Country Status (5)

Country Link
US (1) US9299514B2 (en)
EP (1) EP2276045B1 (en)
JP (1) JP2011023354A (en)
CN (2) CN105185638B (en)
DE (1) DE102009046704A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011056792A1 (en) 2011-12-21 2013-06-27 Huf Hülsbeck & Fürst Gmbh & Co. Kg Electrical switching device

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Also Published As

Publication number Publication date
CN105185638B (en) 2019-04-23
CN105185638A (en) 2015-12-23
JP2011023354A (en) 2011-02-03
EP2276045A1 (en) 2011-01-19
US9299514B2 (en) 2016-03-29
DE102009046704A1 (en) 2011-01-20
CN101958199A (en) 2011-01-26
US20110011709A1 (en) 2011-01-20

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