EP2879149B1 - Position switch - Google Patents

Position switch Download PDF

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Publication number
EP2879149B1
EP2879149B1 EP14003927.2A EP14003927A EP2879149B1 EP 2879149 B1 EP2879149 B1 EP 2879149B1 EP 14003927 A EP14003927 A EP 14003927A EP 2879149 B1 EP2879149 B1 EP 2879149B1
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EP
European Patent Office
Prior art keywords
head
toothing
position switch
teeth
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.)
Active
Application number
EP14003927.2A
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German (de)
French (fr)
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EP2879149A1 (en
Inventor
Yasar Cevik
Rudolf Popella
Matthias Banaszek
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.)
KA Schmersal Holding GmbH and Co KG
Original Assignee
KA Schmersal Holding GmbH and Co KG
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Publication of EP2879149A1 publication Critical patent/EP2879149A1/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/22—Operating parts, e.g. handle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/22—Operating parts, e.g. handle
    • H01H21/24—Operating parts, e.g. handle biased to return to normal position upon removal of operating force
    • H01H21/28—Operating parts, e.g. handle biased to return to normal position upon removal of operating force adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/22—Operating parts, e.g. handle
    • H01H21/24—Operating parts, e.g. handle biased to return to normal position upon removal of operating force
    • H01H21/28—Operating parts, e.g. handle biased to return to normal position upon removal of operating force adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
    • H01H2021/287—Operating parts, e.g. handle biased to return to normal position upon removal of operating force adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift with adjustable head, e.g. the actuator head can have different positions in relation to the limit switch itself
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/052—Actuators interlocked

Definitions

  • the invention relates to a position switch according to the preamble of claim 1.
  • a position switch which has a housing in which a translationally movable member and an actuatable by this organ electrical switch unit are arranged.
  • An actuator head is detachably and angularly variably mounted in a recess of the housing, which opens onto a mounting side of the housing.
  • the actuating head has for this purpose a tubular bearing surface which receives a pusher, which is actuated directly or indirectly by an object and is able to slide along the translation axis in order to cooperate with the displaceable member.
  • the actuating head has for this purpose an outer toothing with outer detents, which cooperates with inner detents of an internal toothing, which are provided in the recess of the housing or the mouth of the housing.
  • the inner detents can have an equal pitch or a multiple pitch with respect to the external teeth to increase the versatility of use.
  • the object of the invention is therefore to provide a position switch of the type mentioned, which allows an improved angle-correct positioning and blocking of the actuating head on the housing.
  • a position switch in which the actuating head can be positioned and blocked via an axially effective, planetary toothing on the switch housing.
  • the teeth engage each other here in terms of a positive, releasable coupling surface.
  • the teeth are arranged radially and position the actuating head relative to the switch housing. The number of circumferentially distributed teeth is selectable. The full adhesion can be done via an axial clamping of the spline.
  • a spur toothing is thus provided which can absorb more force by virtue of the fact that the teeth of a first end toothing have a greater radial extent than the teeth of a second end toothing.
  • the tooth flanks of the teeth of the first planer teeth provide bearing surfaces that are separated by a radial
  • the radial excess is limited to an outer tooth head thickness portion.
  • the tooth base is thereby enlarged relative to the tooth tip.
  • the teeth of the second planer teeth are then virtually embedded between the teeth of the first planer teeth.
  • the first planar toothing can be formed on the actuating head or a switch head provided on the switch housing.
  • the second planer toothing is then formed on the respective other component.
  • a sleeve-like extension can be provided on the actuating head, which can be locked on the switch housing via a locking plate with axially effective teeth.
  • the invention relates to a position switch.
  • the position switch comprises in known manner an actuator 1 with an actuating head 2 and a switching element (not shown) contained in a housing.
  • a switching element (not shown) contained in a housing.
  • the switching element has a plunger (not shown), on which the actuator 1 acts.
  • the plunger of the switching element is pressed down, ie a translational movement is carried out.
  • the position switch comprises a pivot lever drive 3, which has a mounted in the actuator head 2 switching shaft 4, which switches an actuator 5 for moving the plunger of the switching element of a arranged in the switch housing switch with, for example, normally closed and / or normally open contacts (not shown).
  • the actuator 5 is according to Fig. 1 For example, a pressure plate that slides when actuated along the translation axis X.
  • the pivot lever drive 3 comprises a lever 6 which can be fastened via a connecting ring 7 on the switching shaft 4, for example by means of a screw 8.
  • the lever 6 carries in a conventional manner on its free end a roller 9 on which an object (not shown) abuts , which operates the position switch.
  • the lever 6 can be reduced to the roller 9th
  • the actuating head 2 preferably has a general shape of an L, one leg 10, the shift shaft 4 rotatably receives and the other leg 11 receives the pressure plate 5 with press-12 and biasing spring 13. At its lower end, the leg 11 narrows in a tubular extension 14, which fits into a recess 15 of a switch head 16 during assembly.
  • the switch head 16 is provided for attachment to the switch housing (not shown). At the switch head 16, the actuating head 2 can be locked in different angular positions, for which purpose the actuating head 2 with the switch head 16 via a spline 17 (see. Fig. 2 ) is connectable.
  • the spline 17 is formed according to the invention as follows.
  • the switch head 16 and the actuating head 2 have axially intermeshable crown gears 18, 19, the circumferentially spaced from each other arranged teeth 20, 21 first and second face gears 22, 23 form.
  • the teeth 20 of the first face toothing 22 have tooth flanks 24, which have a larger radial extent 25 than the teeth 21 of the second face toothing 23.
  • the first face toothing 22 is preferably formed on the switch head 16.
  • the first planer toothing may be formed on the actuating head 2.
  • the first and second planer teeth 22, 23 are preferably arranged in each case as a crown toothing on the switch head 16 and the actuator head 2 with radially extending teeth 20, 21.
  • the teeth 20, 21 may have a parallel or tip tooth shape arranged as a spaced circumferential segments.
  • Fig. 1 shows, the actuating head 2 preferably, where the extension 14 connects to the leg 11, the crown teeth 19.
  • the crown toothing 19 is thus annular in shape at the transition region of the leg 11 to the extension 14.
  • the switch head 16 forms the crown toothing 18 above the mouth of the recess 15 off the head.
  • the radially extending tooth flanks 24 of the first planer toothing 22 are preferably formed trapezoidal.
  • the radially extending tooth flanks 26 of the respective second plane toothing 23 are preferably rectangular.
  • the larger radial extent of the teeth 20 of the respective first planer toothing 22 is preferably formed as a foot-side widening. This is especially in Fig. 3 shown.
  • Fig. 3 further illustrates that such a radial extension of the teeth 20 of each first Plane toothing 22 with respect to the translation axis X in conjunction with a bevelled outer tooth side 29, the first planer teeth 22 can connect socket-like to the actuating head. 2
  • the first face gear 22 is positioned radially outwardly offset from an inner circumferential footprint 27. Associated with this footprint 27 is preferably a radial spacer ring 28 on which the second face gear 23 is then preferably arranged.
  • the spacer ring 28 may define a coupling depth of the spline 17 relative to the contact surface 27. For an axial frictional connection of the spline 17 is then not necessary that the tooth heads of the teeth 20, 21 are in contact with the other planer teeth 22, 23, respectively. Sufficient to reach through the teeth 20, 21 form fit.
  • a locking plate 30 is provided which is insertable into a recess 31 of the switch head 16 and engages with an engagement groove 32 on the extension 14 of the actuating head. 2

Landscapes

  • Switches With Compound Operations (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Seats For Vehicles (AREA)

Description

Die Erfindung betrifft einen Positionsschalter nach dem Oberbegriff des Anspruchs 1.The invention relates to a position switch according to the preamble of claim 1.

Aus DE 602 23 640 T2 ist ein Positionsschalter bekannt, der ein Gehäuse aufweist, in dem ein translationsbewegliches Organ und eine von diesem Organ betätigbare elektrische Schaltereinheit angeordnet sind. Ein Betätigungskopf ist lösbar und winkelmäßig variabel in einer Aussparung des Gehäuses montiert, die auf eine Montageseite des Gehäuses mündet. Der Betätigungskopf weist dazu eine rohrförmige Auflagefläche auf, die einen Drücker aufnimmt, der direkt oder indirekt von einem Gegenstand betätigt wird und in der Lage ist, entlang der Translationsachse zu gleiten, um mit dem verschiebbaren Organ zusammenzuwirken.Out DE 602 23 640 T2 a position switch is known which has a housing in which a translationally movable member and an actuatable by this organ electrical switch unit are arranged. An actuator head is detachably and angularly variably mounted in a recess of the housing, which opens onto a mounting side of the housing. The actuating head has for this purpose a tubular bearing surface which receives a pusher, which is actuated directly or indirectly by an object and is able to slide along the translation axis in order to cooperate with the displaceable member.

Bekannt ist dabei, dass es oft wünschenswert ist, die Position des Betätigungskopfes eines solchen Schalters regeln zu können. Eine solche Einstellung kann zum Beispiel erforderlich sein, wenn man den Schalter in einer vorbestimmten Stellung montieren möchte. Der Betätigungskopf weist dazu eine Außenverzahnung mit äußeren Rasten auf, die mit inneren Rasten einer Innenverzahnung, die in der Aussparung des Gehäuses oder der Mündung des Gehäuses vorgesehen sind, zusammenwirkt. Die inneren Rasten können eine gleiche Teilung oder eine Mehrfachteilung gegenüber der Außenverzahnung aufweisen, um die Verwendungsvielfältigkeit zu erhöhen.It is known that it is often desirable to be able to control the position of the operating head of such a switch. Such an adjustment may be required, for example, if one wishes to mount the switch in a predetermined position. The actuating head has for this purpose an outer toothing with outer detents, which cooperates with inner detents of an internal toothing, which are provided in the recess of the housing or the mouth of the housing. The inner detents can have an equal pitch or a multiple pitch with respect to the external teeth to increase the versatility of use.

Bei einem aus JP H11-167 844 A bekannten Positionsschalter ist ein Schwenkhebel in unterschiedlichen Winkelstellungen an einer Welle des Positionsschalters mittels einer Kronverzahnung fixierbar. Schließlich ist aus DE 20 36 853 A noch bekannt, Gehäuse von Signalgebern im beliebigen Winkel zueinander einstellbar mittels einer Kronverzahnung zu fixieren.At one off JP H11-167 844 A Known position switch is a pivot lever in different angular positions on a shaft of the position switch can be fixed by means of a crown toothing. Finally is off DE 20 36 853 A Still known to fix housing of signalers at any angle adjustable by means of a crown toothing.

Nachteilig ist jedoch, dass Verzahnungen mit Außen- und Innenverzahnung einwandfreie Paarungen verlangen, wodurch der Aufbau aufwändig ist. Dies gilt insbesondere dann, wenn eine winkelmäßige und verdrehsichere Zuordnung von Betätigungskopf und Gehäuse zueinander in wählbaren Schritten entsprechend der Zahnteilung im gesamten Schwenkbereich von vorzugsweise 360° möglich sein soll.The disadvantage, however, that gears with external and internal teeth require perfect pairings, whereby the structure is complex. This is especially true if an angular and rotationally secure assignment of the actuating head and housing to each other in selectable steps according to the tooth pitch in the entire pivoting range of preferably 360 ° should be possible.

Aufgabe der Erfindung ist es daher, einen Positionsschalter der genannten Art zu schaffen, der ein verbessertes winkelgerechtes Positionieren und Blockieren des Betätigungskopfes am Gehäuse erlaubt.The object of the invention is therefore to provide a position switch of the type mentioned, which allows an improved angle-correct positioning and blocking of the actuating head on the housing.

Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.This object is solved by the features of claim 1.

Hierdurch wird ein Positionsschalter geschaffen, bei dem der Betätigungskopf über eine axial wirksame, planseitige Verzahnung am Schaltergehäuse positioniert und blockiert werden kann. Die Zähne greifen hier im Sinne einer formschlüssigen, lösbaren Kupplung flächig ineinander. Die Zähne sind radial angeordnet und positionieren den Betätigungskopf gegenüber dem Schaltergehäuse. Die Anzahl der umfänglich verteilt angeordneten Zähne ist wählbar. Der volle Kraftschluss kann über eine axiale Verspannung der Steckverzahnung erfolgen.As a result, a position switch is provided, in which the actuating head can be positioned and blocked via an axially effective, planetary toothing on the switch housing. The teeth engage each other here in terms of a positive, releasable coupling surface. The teeth are arranged radially and position the actuating head relative to the switch housing. The number of circumferentially distributed teeth is selectable. The full adhesion can be done via an axial clamping of the spline.

Erfindungsgemäß ist somit eine Stirnverzahnung vorgesehen, die dadurch mehr Kraft aufnehmen kann, dass die Zähne einer ersten Planverzahnung eine größere radiale Erstreckung besitzen als die Zähne einer zweiten Planverzahnung. Die Zahnflanken der Zähne der ersten Planverzahnung liefern Auflageflächen, die durch eine radialeAccording to the invention, a spur toothing is thus provided which can absorb more force by virtue of the fact that the teeth of a first end toothing have a greater radial extent than the teeth of a second end toothing. The tooth flanks of the teeth of the first planer teeth provide bearing surfaces that are separated by a radial

Übermaßigkeit gegenüber der zweiten Planverzahnung einen sicheren Kraft- und Formschluss einer kleinbauenden Verzahnung liefern. Vorzugsweise beschränkt sich die radiale Übermaßigkeit auf einen äußeren Zahnkopfdickenabschnitt. Der Zahngrund ist dadurch gegenüber dem Zahnkopf vergrößert. Die Zähne der zweiten Planverzahnung sind dann quasi eingebettet zwischen den Zähnen der ersten Planverzahnung.Surplus over the second planer teeth provide a secure force and form fit of a small-scale toothing. Preferably, the radial excess is limited to an outer tooth head thickness portion. The tooth base is thereby enlarged relative to the tooth tip. The teeth of the second planer teeth are then virtually embedded between the teeth of the first planer teeth.

Die erste Planverzahnung kann an dem Betätigungskopf oder einem am Schaltergehäuse vorgesehenen Schalterkopf ausgebildet sein. Die zweite Planverzahnung ist dann an dem jeweils anderen Bauteil ausgebildet.The first planar toothing can be formed on the actuating head or a switch head provided on the switch housing. The second planer toothing is then formed on the respective other component.

Für eine axiale Verspannung der Verzahnung kann am Betätigungskopf ein hülsenartiger Fortsatz vorgesehen sein, der am Schaltergehäuse über ein Verriegelungsblech bei axial wirksamer Verzahnung verriegelbar ist.For an axial clamping of the toothing a sleeve-like extension can be provided on the actuating head, which can be locked on the switch housing via a locking plate with axially effective teeth.

Weitere Ausgestaltungen der Erfindung sind der nachfolgenden Beschreibung und den Unteransprüchen zu entnehmen.Further embodiments of the invention are described in the following description and the dependent claims.

Die Erfindung wird nachstehend anhand des in den beigefügten Abbildungen dargestellten Ausführungsbeispiels näher erläutert.

  • Fig. 1 zeigt schematisch eine Explosionszeichnung eines Betätigungskopfes mit einem Schwenkhebelantrieb und einen Schalterkopf eines Positionsschalters,
  • Fig. 2 zeigt eine perspektivische Ansicht der Einzelteile gemäß Fig. 1 im Zusammenbau,
  • Fig. 3 zeigt den Ausschnitt A gemäß Fig. 2 in vergrößerter Darstellung,
  • Fig. 4 zeigt den Schalterkopf gemäß Fig. 2 in vergrößerter Darstellung.
The invention will be explained in more detail with reference to the embodiment shown in the accompanying drawings.
  • Fig. 1 shows schematically an exploded view of an actuating head with a pivot lever drive and a switch head of a position switch,
  • Fig. 2 shows a perspective view of the items according to Fig. 1 in the assembly,
  • Fig. 3 shows the section A according to Fig. 2 in an enlarged view,
  • Fig. 4 shows the switch head according to Fig. 2 in an enlarged view.

Die Erfindung betrifft einen Positionsschalter. Der Positionsschalter umfasst in bekannter Weise einen Betätiger 1 mit einem Betätigungskopf 2 und ein in einem Gehäuse enthaltenes Schaltelement (nicht dargestellt). Zur Ausbildung des Positionsschalters mit Sicherheitsfunktion ist die Verbindung zwischen dem Betätiger 1 und dem Schaltelement starr auszubilden. Das Schaltelement weist einen Stößel (nicht dargestellt) auf, auf den der Betätiger 1 wirkt. Üblicherweise wird bei Betätigen des Positionsschalters der Stößel des Schaltelementes nach unten gedrückt, d.h. eine translatorische Bewegung ausgeführt.The invention relates to a position switch. The position switch comprises in known manner an actuator 1 with an actuating head 2 and a switching element (not shown) contained in a housing. For the education of the Position switch with safety function is the connection between the actuator 1 and the switching element rigid form. The switching element has a plunger (not shown), on which the actuator 1 acts. Usually, upon actuation of the position switch, the plunger of the switching element is pressed down, ie a translational movement is carried out.

Wie Fig. 1 und Fig. 2 zeigen, umfasst der Positionsschalter einen Schwenkhebelantrieb 3, der eine in dem Betätigungskopf 2 gelagerte Schaltwelle 4 aufweist, die ein Betätigungselement 5 schaltet zum Bewegen des Stößels des Schaltelementes eines in dem Schaltergehäuse angeordneten Schalters mit beispielsweise Öffner- und/oder Schließerkontakten (nicht dargestellt). Das Betätigungselement 5 ist gemäß Fig. 1 beispielsweise ein Druckteller, der bei Betätigung entlang der Translationsachse X gleitet.As Fig. 1 and Fig. 2 show, the position switch comprises a pivot lever drive 3, which has a mounted in the actuator head 2 switching shaft 4, which switches an actuator 5 for moving the plunger of the switching element of a arranged in the switch housing switch with, for example, normally closed and / or normally open contacts (not shown). The actuator 5 is according to Fig. 1 For example, a pressure plate that slides when actuated along the translation axis X.

Der Schwenkhebelantrieb 3 umfasst einen Hebel 6, der über einen Anschlussring 7 an der Schaltwelle 4 befestigbar ist, beispielsweise mittels einer Schraube 8. Der Hebel 6 trägt in üblicher Weise auf seinem freien Ende eine Laufrolle 9, auf der ein Gegenstand (nicht dargestellt) anschlägt, der den Positionsschalter betätigt. In einem alternativen, nicht dargestellten Ausführungsbeispiel kann der Hebel 6 reduziert werden auf die Laufrolle 9.The pivot lever drive 3 comprises a lever 6 which can be fastened via a connecting ring 7 on the switching shaft 4, for example by means of a screw 8. The lever 6 carries in a conventional manner on its free end a roller 9 on which an object (not shown) abuts , which operates the position switch. In an alternative embodiment, not shown, the lever 6 can be reduced to the roller 9th

Der Betätigungskopf 2 besitzt vorzugsweise eine allgemeine Form eines L, dessen einer Schenkel 10 die Schaltwelle 4 drehbar aufnimmt und dessen anderer Schenkel 11 den Druckteller 5 mit Einpressscheibe 12 und Vorspannfeder 13 aufnimmt. An seinem unteren Ende verengt sich der Schenkel 11 in einem rohrförmigen Fortsatz 14, der sich in eine Aussparung 15 eines Schalterkopfes 16 bei der Montage einfügt.The actuating head 2 preferably has a general shape of an L, one leg 10, the shift shaft 4 rotatably receives and the other leg 11 receives the pressure plate 5 with press-12 and biasing spring 13. At its lower end, the leg 11 narrows in a tubular extension 14, which fits into a recess 15 of a switch head 16 during assembly.

Der Schalterkopf 16 ist zur Befestigung an dem Schaltergehäuse (nicht dargestellt) vorgesehen. An dem Schalterkopf 16 ist der Betätigungskopf 2 in unterschiedlichen Winkelstellungen rastend fixierbar, wozu der Betätigungskopf 2 mit dem Schalterkopf 16 über eine Steckverzahnung 17 (vgl. Fig. 2) verbindbar ist.The switch head 16 is provided for attachment to the switch housing (not shown). At the switch head 16, the actuating head 2 can be locked in different angular positions, for which purpose the actuating head 2 with the switch head 16 via a spline 17 (see. Fig. 2 ) is connectable.

Die Steckverzahnung 17 ist erfindungsgemäß wie folgt ausgebildet. Der Schalterkopf 16 und der Betätigungskopf 2 weisen axial ineinander fügbare Kronenverzahnungen 18, 19 auf, deren umfänglich beabstandet zueinander angeordnete Zähne 20, 21 erste und zweite Planverzahnungen 22, 23 ausbilden. Die Zähne 20 der ersten Planverzahnung 22 weisen Zahnflanken 24 auf, die eine größere radiale Erstreckung 25 aufweisen als die Zähne 21 der zweiten Planverzahnung 23. Gemäß dem dargestellten Ausführungsbeispiel ist die erste Planverzahnung 22 vorzugsweise an dem Schalterkopf 16 ausgebildet. Gemäß einem alternativen, nicht dargestellten Ausführungsbeispiel kann die erste Planverzahnung an dem Betätigungskopf 2 ausgebildet sein.The spline 17 is formed according to the invention as follows. The switch head 16 and the actuating head 2 have axially intermeshable crown gears 18, 19, the circumferentially spaced from each other arranged teeth 20, 21 first and second face gears 22, 23 form. The teeth 20 of the first face toothing 22 have tooth flanks 24, which have a larger radial extent 25 than the teeth 21 of the second face toothing 23. According to the illustrated embodiment, the first face toothing 22 is preferably formed on the switch head 16. According to an alternative, not shown embodiment, the first planer toothing may be formed on the actuating head 2.

Die erste und zweite Planverzahnung 22, 23 sind dabei vorzugsweise jeweils als Kronenverzahnung an dem Schalterkopf 16 und dem Betätigungskopf 2 angeordnet mit radial sich erstreckenden Zähnen 20, 21. Die Zähne 20, 21 können als beabstandet angeordnete Umfangssegmente eine Parallel- oder Spitzenzahnform besitzen.The first and second planer teeth 22, 23 are preferably arranged in each case as a crown toothing on the switch head 16 and the actuator head 2 with radially extending teeth 20, 21. The teeth 20, 21 may have a parallel or tip tooth shape arranged as a spaced circumferential segments.

Wie insbesondere Fig. 1 zeigt, weist der Betätigungskopf 2 vorzugsweise dort, wo der Fortsatz 14 an den Schenkel 11 anschließt die Kronenverzahnung 19 auf. Damit die Kronenverzahnung 19 eine Stirnverzahnung bildet, besitzt der Fortsatz 14 einen kleineren Durchmesser als der Schenkel 11. Die Kronenverzahnung 19 ist somit ringförmig ausgebildet an dem Übergangsbereich des Schenkels 11 zum Fortsatz 14. Der Schalterkopf 16 bildet die Kronenverzahnung 18 oberhalb der Mündung der Aussparung 15 kopfseitig aus.In particular Fig. 1 shows, the actuating head 2 preferably, where the extension 14 connects to the leg 11, the crown teeth 19. The crown toothing 19 is thus annular in shape at the transition region of the leg 11 to the extension 14. The switch head 16 forms the crown toothing 18 above the mouth of the recess 15 off the head.

Wie insbesondere Fig. 3 zeigt, sind die radial sich erstreckenden Zahnflanken 24 der jeweils ersten Planverzahnung 22 vorzugsweise trapezförmig ausgebildet. Die radial sich erstreckenden Zahnflanken 26 der jeweils zweiten Planverzahnung 23 sind vorzugsweise rechteckförmig. Die größere radiale Erstreckung der Zähne 20 der jeweils ersten Planverzahnung 22 ist vorzugsweise als eine fußseitige Verbreiterung ausgebildet ist. Dies ist insbesondere in Fig. 3 dargestellt. Fig. 3 verdeutlicht ferner, dass eine solche radiale Verlängerung der Zähne 20 der jeweils ersten Planverzahnung 22 gegenüber der Translationsachse X in Verbindung mit einer abgeschrägten äußeren Zahnseite 29 die erste Planverzahnung 22 sockelartig anschließen lässt an den Betätigungskopf 2.In particular Fig. 3 shows, the radially extending tooth flanks 24 of the first planer toothing 22 are preferably formed trapezoidal. The radially extending tooth flanks 26 of the respective second plane toothing 23 are preferably rectangular. The larger radial extent of the teeth 20 of the respective first planer toothing 22 is preferably formed as a foot-side widening. This is especially in Fig. 3 shown. Fig. 3 further illustrates that such a radial extension of the teeth 20 of each first Plane toothing 22 with respect to the translation axis X in conjunction with a bevelled outer tooth side 29, the first planer teeth 22 can connect socket-like to the actuating head. 2

Vorzugsweise ist die erste Planverzahnung 22 radial nach außen versetzt zu einer inneren umlaufenden Aufstandsfläche 27 positioniert. Zugeordnet ist dieser Aufstandsfläche 27 vorzugsweise ein radialer Distanzring 28, auf dem die zweite Planverzahnung 23 dann vorzugsweise angeordnet ist. Der Distanzring 28 kann eine Kupplungstiefe der Steckverzahnung 17 gegenüber der Aufstandsfläche 27 definieren. Für einen axialen Kraftschluss der Steckverzahnung 17 ist dann nicht erforderlich, dass die Zahnköpfe der Zähne 20, 21 jeweils in Kontakt sind mit der jeweils anderen Planverzahnung 22, 23. Hinreichend ist der durch die Zähne 20, 21 erreichte Formschluss.Preferably, the first face gear 22 is positioned radially outwardly offset from an inner circumferential footprint 27. Associated with this footprint 27 is preferably a radial spacer ring 28 on which the second face gear 23 is then preferably arranged. The spacer ring 28 may define a coupling depth of the spline 17 relative to the contact surface 27. For an axial frictional connection of the spline 17 is then not necessary that the tooth heads of the teeth 20, 21 are in contact with the other planer teeth 22, 23, respectively. Sufficient to reach through the teeth 20, 21 form fit.

Für eine axiale Verspannung der Steckverzahnung 17 ist beispielsweise ein Verriegelungsblech 30 vorgesehen, das in eine Ausnehmung 31 des Schalterkopfes 16 einsetzbar ist und in Eingriff gelangt mit einer Eingriffsnut 32 am Fortsatz 14 des Betätigungskopfes 2.For an axial clamping of the spline 17, for example, a locking plate 30 is provided which is insertable into a recess 31 of the switch head 16 and engages with an engagement groove 32 on the extension 14 of the actuating head. 2

Claims (10)

  1. Position switch having a pivoting-lever drive (3) which has a switching shaft (4) mounted in an actuating head (2), said switching shaft (4) switching an actuating element (5) in order to move a plunger of a switching element arranged in a switch housing, and a switch head (16) is fastened to the switch housing, the actuating head (2) being fixable in a latching manner to said switch head (16) in different angular positions, for which purpose the actuating head (2) is connectable to the switch head (16) via a toothed coupling (17), characterized in that the switch head (16) and the actuating head (2) have crown toothings (18, 19) which are fittable axially in one another and the teeth (20, 21) of which that are arranged circumferentially in a manner spaced apart from one another form first and second plane toothings (22, 23), and the teeth (20) of the first plane toothing (22) have tooth flanks (24) that have a greater radial extent (25) than the teeth (21) of the second plane toothing (23).
  2. Position switch according to Claim 1, characterized in that the first plane toothing (22) is arranged as a crown toothing on the switch head (16).
  3. Position switch according to Claim 1, characterized in that the first plane toothing is arranged as a crown toothing on the actuating head.
  4. Position switch according to one of Claims 1 to 3, characterized in that the teeth (20, 21) are formed as circumferential segments with a parallel or pointed tooth shape.
  5. Position switch according to one of Claims 1 to 4, characterized in that the radially extending tooth flanks (24) of the first plane toothing (22) are formed in a trapezoidal manner.
  6. Position switch according to Claim 5, characterized in that the radially extending tooth flanks of the second plane toothing (23) are rectangular.
  7. Position switch according to one of Claims 1 to 6, characterized in that the first plane toothing (22) is positioned in a manner offset radially towards the outside with respect to an inner circumferential contact surface (27).
  8. Position switch according to Claim 7, characterized in that the second plane toothing (23) is arranged on a radial spacer ring (28) which defines a coupling depth of the toothed coupling (17) with respect to the contact surface (27).
  9. Position switch according to one of Claims 1 to 8, characterized in that the greater radial extent (25) is in the form of a root-side widening.
  10. Position switch according to one of Claims 1 to 9, characterized in that axial bracing of the toothed coupling (17) is provided by means of a metal locking plate (30).
EP14003927.2A 2013-11-25 2014-11-21 Position switch Active EP2879149B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013019597.7A DE102013019597A1 (en) 2013-11-25 2013-11-25 position switch

Publications (2)

Publication Number Publication Date
EP2879149A1 EP2879149A1 (en) 2015-06-03
EP2879149B1 true EP2879149B1 (en) 2016-10-05

Family

ID=51986968

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14003927.2A Active EP2879149B1 (en) 2013-11-25 2014-11-21 Position switch

Country Status (5)

Country Link
US (1) US9431191B2 (en)
EP (1) EP2879149B1 (en)
CN (1) CN104810170B (en)
DE (1) DE102013019597A1 (en)
ES (1) ES2614733T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3011672B1 (en) * 2013-10-04 2018-09-28 Schneider Electric Industries Sas POSITION SWITCH

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8225002U1 (en) 1982-12-09 RK Rose + Krieger GmbH & Co, 4950 Minden Pipe connecting device
DE2036853C3 (en) * 1970-07-24 1974-05-09 Siemens Ag, 1000 Berlin Und 8000 Muenchen Light signal transmitters, in particular for road traffic
JPH11167844A (en) * 1997-10-01 1999-06-22 Fuji Electric Co Ltd Limit switch
FR2785985B1 (en) 1998-11-18 2001-02-23 Crouzet Automatismes POSITION DETECTOR WITH ORIENTATION MECHANISM
JP2001266710A (en) * 2000-03-23 2001-09-28 Fuji Electric Co Ltd Lever-operated type limit switch
FR2830981B1 (en) 2001-10-15 2004-10-15 Schneider Electric Ind Sa SWITCH, ESPECIALLY POSITIONING, WITH ADJUSTABLE HEAD

Also Published As

Publication number Publication date
ES2614733T3 (en) 2017-06-01
US20150144472A1 (en) 2015-05-28
EP2879149A1 (en) 2015-06-03
CN104810170A (en) 2015-07-29
US9431191B2 (en) 2016-08-30
CN104810170B (en) 2018-04-17
DE102013019597A1 (en) 2015-05-28

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