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EP2126945B1 - Electric installation device such as a rotary switch or control dial, in particular a latching potentiometer - Google Patents

Electric installation device such as a rotary switch or control dial, in particular a latching potentiometer Download PDF

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Publication number
EP2126945B1
EP2126945B1 EP09718341A EP09718341A EP2126945B1 EP 2126945 B1 EP2126945 B1 EP 2126945B1 EP 09718341 A EP09718341 A EP 09718341A EP 09718341 A EP09718341 A EP 09718341A EP 2126945 B1 EP2126945 B1 EP 2126945B1
Authority
EP
European Patent Office
Prior art keywords
cover
installation device
actuating member
latch
latching
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
EP09718341A
Other languages
German (de)
French (fr)
Other versions
EP2126945A1 (en
Inventor
Cristian Lauscher
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.)
Gira Giersiepen GmbH and Co KG
Original Assignee
Gira Giersiepen 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
Application filed by Gira Giersiepen GmbH and Co KG filed Critical Gira Giersiepen GmbH and Co KG
Priority to PL09718341T priority Critical patent/PL2126945T3/en
Publication of EP2126945A1 publication Critical patent/EP2126945A1/en
Application granted granted Critical
Publication of EP2126945B1 publication Critical patent/EP2126945B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02Details
    • H01H19/10Movable parts; Contacts mounted thereon
    • H01H19/11Movable parts; Contacts mounted thereon with indexing means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C10/00Adjustable resistors
    • H01C10/30Adjustable resistors the contact sliding along resistive element
    • H01C10/32Adjustable resistors the contact sliding along resistive element the contact moving in an arcuate path
    • H01C10/36Adjustable resistors the contact sliding along resistive element the contact moving in an arcuate path structurally combined with switching arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02Details
    • H01H19/10Movable parts; Contacts mounted thereon
    • H01H19/11Movable parts; Contacts mounted thereon with indexing means
    • H01H19/115Movable parts; Contacts mounted thereon with indexing means using molded elastic parts only

Definitions

  • the present invention relates to an electrical installation device according to the preamble of claim 1, such as a rotary switch or rotary control, in particular a Rastpotentiometer, with a cover and with a rotatably mounted actuator, such as a knob, which rotates about an adjusting axis, which penetrates the cover, a switching or control operation triggers, with a first and a second locking element, which cooperate resiliently in the direction of the adjusting axis with each other and of which the first locking element is arranged on the actuating member and the second locking element on the cover.
  • a rotary switch or rotary control in particular a Rastpotentiometer
  • a cover and with a rotatably mounted actuator, such as a knob, which rotates about an adjusting axis, which penetrates the cover, a switching or control operation triggers, with a first and a second locking element, which cooperate resiliently in the direction of the adjusting axis with each other and of which the first locking element is arranged on the actuating
  • a similar installation device is from the DE 38 00 956 A1 known.
  • This document describes an electrical switching device for the variable adjustment of the power consumption of electrical consumers, in particular of dimmers and speed stations. It has on its front side a cover and further a switching member which can be controlled by a controllable by rotating a control axis control member whose adjusting axis penetrates the front cover and is connected at least positively connected with a knob as an actuator.
  • a first locking element rotatably adjustable with the adjusting axis and a second locking element is arranged stationary, both locking elements cooperate resiliently with each other and to change the respective Adjustment of the adjusting axis a the latching resistance between the two locking elements exceeding torque must be expended.
  • the first detent element is formed by a resilient strut projecting from a cylindrical projection of the rotary knob at a predetermined angle, which has a ball-shaped free end, which - in contrast to a second radially latching embodiment - axially latched, that engages in the direction of the adjusting axis in the second latching element.
  • the second latching element is formed as a screening by molded into the cover spherical caps, which are formed in a ring shape concentric with the adjusting axis in the cover.
  • the present invention has for its object, an electrical installation device of the type mentioned in such a way that it has an improved coverage with a simple structural design, high reliability and a long life.
  • the electrical installation device to generate an audible click on the rotation of the actuator to indicate the setting or switching operation acoustically.
  • the cover and the latching elements wherein these each in one piece with the cover or the actuating member, which can be manufactured, for example, as plastic molded parts or injection molded parts can be formed.
  • the locking elements ie in each case a small axial height of the annularly arranged detent recesses or the locking lug having spring tongues, wherein "low height” is a value of less than 6 mm, preferably less than 3 mm, particularly preferred of less than 1 mm, a high stability and reliability can be achieved, particularly with regard to a clicking sound to be generated upon rotation of the actuator.
  • the locking recesses are formed by a trained on a bottom of the actuator spur toothing and / or that the second locking element by two or more, in particular by three mutually offset by 120 ° spring tongues is formed, which may preferably be arranged in a recess, such as a pocket, the cover.
  • FIG. 1 shows, an inventive electrical installation device 1, such as a rotary switch or knob, in particular a detent potentiometer, a cover 2 and a rotatably mounted actuator 3.
  • the actuator 3 triggers by twisting (double arrow R) about a control axis X, which penetrates the cover 2, a switching or control process in the electrical installation device 1 according to the invention.
  • This can be realized for example by means of a lying under the cover 2 electrical board.
  • Both the cover 2, as well as the actuator 3 may preferably be formed as a molded or injection molded parts and in particular made of plastic.
  • inventive electrical installation device 1 is in particular a flush-mounted on a wall installable electrical device, but in which the cover comes to rest in the manner of a frame above the plaster, ie on the wall.
  • the actuator 3 is designed as a round pot-like knob with a cylindrical wall and a circular top surface. It is in one, in particular Fig. 2 and 3 arranged in an illustrative manner, shape adapted to its circumference outer contour recess 4 of the cover 2 and guided during rotation.
  • the electrical installation device has a first latching element 5, which only in Fig. 4 can be seen, and a second locking element 6, which Fig. 2 in its entirety and Fig. 3 and 4 each in a detail show.
  • the two locking elements 5, 6 act in the direction of the adjusting axis together resiliently, they fix a rotational position of the actuator 3 and generate an audible click when turning the actuator 3, so that the sequence of taking place by turning adjusting or switching operation of an operator acoustically is signaled.
  • the first locking element 5 is arranged on the actuating member 3 and the second locking element 6 on the cover 2. It is provided that the first locking element 5 is formed by a plurality of annularly arranged detent recesses 5 in the actuating member 3 and the second detent element on the cover 2 as at least one, a detent 7a, 7b, 7c having spring tongue 6a, 6b, 6c. In the case shown, the second locking element 6 is formed by three offset by 120 ° to each other, spring tongues 6a, 6b 6c. As a result, a balanced mutual support of the first latching elements 5 on the second latching elements 6 is achieved. If the actuating element 3 can be mounted with play along the actuating axis X, it can advantageously be achieved by this support that an axial backlash is achieved in the assembled state by the prestressing thus produced by means of the locking elements 5, 6.
  • the spring tongues 6a, 6b, 6c are advantageously formed in an economically uncomplicated manner with the cover 2, wherein they are freed from a top surface 8 of the cover 2, as characterized by the particular Fig. 3 removable, substantially circumferentially extending column 9a, 9b is illustrated laterally of the spring tongue 6a and the substantially radially extending gap 9c on the end face of the spring tongue 6c.
  • the spring tongues 6a, 6b, 6c are thus in a recess 9a / 9b / 9c, such as a bag, the cover 2 and are thus optimally protected against damage.
  • the spring tongues 6a, 6b, 6c are further formed in the manner of a leaf spring.
  • the slightly convex in the direction of the first locking element 5 towards curved sheet 10 of the spring tongues 6a, 6b, 6c extends in particular substantially in the plane of lying in the recess 4 deck surface 8 of the cover 2. Only the locking lugs 7a, 7b, 7c the spring tongues 6a, 6b, 6c are opposite to the top surface 8 of the cover 2 in the axial direction X on the first locking element 5 ago.
  • Fig. 4 on the one hand shows more details of the actuator 3 located on the first locking element 5, on the other hand, it illustrates how the complementary locking elements 5, 6 of the electrical installation device according to the invention cooperate with each other. So is Fig. 4 can be seen that the locking recesses 5 are separated from each other by itself with respect to the adjusting axis X radially extending ribs or teeth 11. As a result, a spur toothing formed on an underside of the actuating member 3 is formed.
  • the spur toothing with the latching recesses 5 and the radially extending ribs or teeth 11 in FIG Sinusoid is formed.
  • the first locking element 5, which is designed to be movable with the actuating member 3 annularly on the actuating member 3, and the second locking element 6, which is arranged on stationary positions of the cover 2 act on a rotation of the actuating member 3 latching and resilient together.
  • excess torque is spent.
  • each locking lug 7a, 7b, 7c slides out of the recess 5 in which it is located via a tooth 11 located next to the recess 5 into the next one Well 5, etc., until the end of the turning process is reached.
  • the spring tongues 6a, 6b, 6c thereby lead a, in particular oscillating, movement in the direction of in Fig. 4 provided with the reference symbol S double arrow, whereby a clicking noise is caused.
  • the rotational position of the actuating member 3 is fixed by the respective engagement of a locking lug 7a, 7b, 7c in a recess 5.
  • the latching elements 5, 6 can each have an axial height H5, H6 of less than 6 mm, preferably less than 3 mm, particularly preferably less than 1 mm.
  • the axial height H5 of the first locking elements 5 is doing - how Fig. 4 shows - the height of the ribs or teeth 11 understood, while the axial height H6 of the second locking elements 6, the height of the respective locking lugs 7a, 7b, 7c plus the thickness D of the corresponding spring tongues 6a, 6b, 6c understood.
  • the axial heights H5 of the first locking elements 5 have values of less than 3 mm, preferably less than 1 mm
  • the thickness D of the second locking elements 6 is small compared to the length L and the width B of the locking elements 6. The latter, in particular the length L, have a value which is a multiple of the value of the thickness D.
  • the invention is not limited to the exemplary embodiment described, but also encompasses all embodiments which have the same effect in the sense of the invention, as already evident from the above description.
  • the spur toothing of the first latching elements 5 of the electrical installation device according to the invention - in contrast to the illustrated example - may also be formed like a sawtooth or other shape.
  • the electrical installation device 1 according to the invention does not have to be a flush-mountable device on a wall, but it could also be used in switchboards or electrical appliances such as irons, washing machines, consumer electronics devices, etc.
  • Fig. 2 a central passage opening 12 in the cover 2 for an actuating shaft of the actuator 3. This is in a dome-like structure 13 of the cover 2, which overlapped in the assembled state of the actuator 3 and is covered.
  • a circular arc-shaped groove 14 is provided, in which, for example, a below the inside of the actuator 3 attached cam, the rotational movement of the actuator 3 is guided stop-limiting.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Lock And Its Accessories (AREA)
  • Centrifugal Separators (AREA)
  • Breakers (AREA)

Abstract

The invention relates to an electric installation device (1), such as a rotary switch or a control dial, in particular a latching potentiometer, comprising a cover (2) and with a rotatably mounted actuation member (3) that initiates a switching or controlling step by way of a rotation about an adjustment axis (X) that penetrates the cover (X), with a first and a second latching element (5, 6) that cooperate together in spring-loaded fashion in the direction of the adjustment axis (X), the first of said latching elements (5) being disposed at the actuation member (3) and the section latching element (6) thereof being disposed at the cover (2). In order to achieve a longer lifespan of such a device (1) while maintaining a simple constructive design and high functional certainty, and moreover to produce an audible clicking when the actuation member (3) is rotated, it is proposed that the first latching element (5) be configured by means of annular latching depressions (5) in the actuation member (3) and that the second latching element (6) be configured as at least one spring tongue (6a, 6b, 6c) disposed at the cover (2), said tongue comprising a detente (7a, 7b, 7c).

Description

Die vorliegende Erfindung betrifft eine elektrische Installationsvorrichtung nach dem Oberbegriff des Anspruchs 1, wie einen Drehschalter oder Drehregler, insbesondere ein Rastpotentiometer, mit einer Abdeckung und mit einem drehbar gelagerten Betätigungsglied, wie einem Drehknopf, das durch Verdrehen um eine Stellachse, welche die Abdeckung durchdringt, einen Schalt- oder Regelvorgang auslöst, mit einem ersten und einem zweiten Rastelement, die in Richtung der Stellachse federnd miteinander zusammenwirken und von denen das erste Rastelement an dem Betätigungsglied und das zweite Rastelement an der Abdeckung angeordnet ist.The present invention relates to an electrical installation device according to the preamble of claim 1, such as a rotary switch or rotary control, in particular a Rastpotentiometer, with a cover and with a rotatably mounted actuator, such as a knob, which rotates about an adjusting axis, which penetrates the cover, a switching or control operation triggers, with a first and a second locking element, which cooperate resiliently in the direction of the adjusting axis with each other and of which the first locking element is arranged on the actuating member and the second locking element on the cover.

Eine ähnliche Installationsvorrichtung ist aus der DE 38 00 956 A1 bekannt. Dieses Dokument beschreibt ein elektrisches Schaltgerät zur variablen Einstellung der Leistungsaufnahme von elektrischen Verbrauchern, insbesondere von Dimmern und Drehzahlstellen. Es weist an seiner Frontseite eine Abdeckung auf und des Weiteren ein Schaltteil, das von einem durch Drehen einer Stellachse einstellbaren Steuerglied ansteuerbar ist, dessen Stellachse die frontseitige Abdeckung durchdringt und mit einem Drehknopf als Betätigungsglied zumindest formschlüssig verbunden ist. Damit die jeweils gewählte Einstellung des Drehknopfes bzw. der Stellachse auch nach Betätigung erhalten bleibt, ist dabei vorgesehen, dass ein erstes Rastelement drehfest mit der Stellachse verstellbar ist und ein zweites Rastelement ortsfest angeordnet ist, wobei beide Rastelemente federnd miteinander zusammenarbeiten und zur Veränderung der jeweiligen Einstellung der Stellachse eine den Rastwiderstand zwischen den beiden Rastelementen überschreitende Drehkraft aufgewendet werden muss. Gemäß einer bevorzugten Ausführung der bekannten Installationsvorrichtung ist dabei insbesondere vorgesehen, dass das erste Rastelement durch eine von einem zylindrischen Ansatz des Drehknopfes unter einem vorbestimmten Winkel abragende federnde Strebe gebildet ist, welche ein kugelförmig augebildetes freies Ende aufweist, das - im Gegensatz zu einer zweiten radial rastenden Ausführung - axial rastet, also in Richtung der Stellachse in das zweite Rastelement eingreift. Das zweite Rastelement ist als Rasterung durch in die Abdeckung eingeformte Kugelkalotten gebildet, die in Ringform konzentrisch zur Stellachse in die Abdeckung eingeformt sind. Bei der von dem Drehknopf abragenden unter Federbelastung stehenden Strebe besteht die Gefahr, dass diese bei längerem Gebrauch abbricht. Eine Installationsvorrichtung der eingangs genannten Art ist aus der US 5008 498 A bekanntA similar installation device is from the DE 38 00 956 A1 known. This document describes an electrical switching device for the variable adjustment of the power consumption of electrical consumers, in particular of dimmers and speed stations. It has on its front side a cover and further a switching member which can be controlled by a controllable by rotating a control axis control member whose adjusting axis penetrates the front cover and is connected at least positively connected with a knob as an actuator. Thus, the selected setting of the rotary knob or the adjusting axis is maintained even after operation, it is provided that a first locking element rotatably adjustable with the adjusting axis and a second locking element is arranged stationary, both locking elements cooperate resiliently with each other and to change the respective Adjustment of the adjusting axis a the latching resistance between the two locking elements exceeding torque must be expended. According to a preferred embodiment of the known installation device, provision is made in particular for the first detent element to be formed by a resilient strut projecting from a cylindrical projection of the rotary knob at a predetermined angle, which has a ball-shaped free end, which - in contrast to a second radially latching embodiment - axially latched, that engages in the direction of the adjusting axis in the second latching element. The second latching element is formed as a screening by molded into the cover spherical caps, which are formed in a ring shape concentric with the adjusting axis in the cover. When projecting from the knob spring-loaded strut there is a risk that it breaks off during prolonged use. An installation device of the type mentioned is from the US 5008 498 A known

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine elektrische Installationsvorrichtung der eingangs genannten Art derart auszugestalten, dass sie bei einfachem konstruktiven Aufbau, hoher Funktionssicherheit und einer langen Lebensdauer eine verbesserte Abdeckung aufweist. Darüber hinaus soll die elektrische Installationsvorrichtung bei der Drehung des Betätigungsgliedes ein hörbares Klicken erzeugen, um den Stell- oder Schaltvorgang akustisch anzuzeigen.The present invention has for its object, an electrical installation device of the type mentioned in such a way that it has an improved coverage with a simple structural design, high reliability and a long life. In addition, the electrical installation device to generate an audible click on the rotation of the actuator to indicate the setting or switching operation acoustically.

Erfindungsgemäß wird dies durch die Merkmale des Kennzeichens des Anspruchs 1 erreicht.This is achieved by the features of the characterizing part of claim 1 according to the invention.

Erfindungsgemäß liegt somit eine konstruktiv einfache und fertigungsfreundliche Ausführung der Abdeckung und der Rastelemente vor, wobei diese jeweils einstückig mit der Abdeckung bzw. dem Betätigungsglied, welche beispielsweise als Kunststoff-Formteile oder Spritzgussteile gefertigt werden können, ausgebildet sein können. Bei einer erfindungsgemäß möglichen flachen Form der Rastelemente, also jeweils einer geringen axialen Höhe der ringförmig angeordneten Rastvertiefungen bzw. der die Rastnase aufweisenden Federzungen, wobei unter "geringer Höhe" ein Wert von weniger als 6 mm, bevorzugt von weniger als 3 mm, besonders bevorzugt von weniger als 1 mm, verstanden wird, kann eine hohe Stabilität und Funktionssicherheit, insbesondere im Hinblick auf ein bei der Drehung des Betätigungsgliedes zu erzeugendes Klickgeräusch erzielt werden. Als weitere die Stabilität erhöhende, konstruktiv einfache Maßnahmen können mit Vorteil vorgesehen sein, dass die Rastvertiefungen durch eine an einer Unterseite des Betätigungsgliedes ausgebildete Stirnverzahnung gebildet sind und/oder dass das zweite Rastelement durch zwei oder mehr, insbesondere durch drei um 120° zueinander versetzte Federzungen gebildet ist, wobei diese bevorzugt in einer Vertiefung, wie einer Tasche, der Abdeckung angeordnet sein können.According to the invention, therefore, there is a structurally simple and production-friendly design of the cover and the latching elements, wherein these each in one piece with the cover or the actuating member, which can be manufactured, for example, as plastic molded parts or injection molded parts can be formed. In an inventively possible flat shape of the locking elements, ie in each case a small axial height of the annularly arranged detent recesses or the locking lug having spring tongues, wherein "low height" is a value of less than 6 mm, preferably less than 3 mm, particularly preferred of less than 1 mm, a high stability and reliability can be achieved, particularly with regard to a clicking sound to be generated upon rotation of the actuator. As a further stability-enhancing, structurally simple measures can be advantageously provided that the locking recesses are formed by a trained on a bottom of the actuator spur toothing and / or that the second locking element by two or more, in particular by three mutually offset by 120 ° spring tongues is formed, which may preferably be arranged in a recess, such as a pocket, the cover.

Weitere vorteilhafte Ausgestaltungsmerkmale der Erfindung sind in den Unteransprüchen sowie der folgenden Beschreibung enthalten.Further advantageous features of the invention are contained in the subclaims and the following description.

Anhand eines in der Zeichnung dargestellten, bevorzugten Ausführungsbeispiels soll im Folgenden die Erfindung näher erläutert werden. Dabei zeigen:

Fig. 1
in perspektivischer Aufsicht, eine Ausführung einer erfindungsgemäßen elektrischen Installationsvorrichtung,
Fig. 2
in gleicher Darstellung wie in Fig. 1, die erfindungsgemäße elektrische Installationsvorrichtung ohne ihr Betätigungsglied,
Fig. 3
in vergrößerter perspektivischer Aufsicht, eine Darstellung eines Rast- elements an einer Abdeckung der erfindungsgemäßen elektrischen Installationsvorrichtung,
Fig. 4
im Schnitt entlang der Linie IV-IV in Fig. 2, jedoch bei Vorhandensein des Betätigungsgliedes, bevorzugte Ausführungsformen der miteinander zu- sammenwirkenden komplementären Rastelemente der erfindungs- gemäßen elektrischen Installationsvorrichtung.
Reference to a preferred embodiment shown in the drawing, the invention will be explained in more detail below. Showing:
Fig. 1
in a perspective plan view, an embodiment of an electrical installation device according to the invention,
Fig. 2
in the same representation as in Fig. 1 , the electrical installation device according to the invention without its actuator,
Fig. 3
in an enlarged perspective view, a representation of a locking element on a cover of the electrical installation device according to the invention,
Fig. 4
in section along the line IV-IV in Fig. 2 However, in the presence of the actuating member, preferred embodiments of the cooperating complementary locking elements of the inventive electrical installation device.

In den Figuren der Zeichnung sind gleiche bzw. einander entsprechende Teile stets mit denselben Bezugszeichen versehen, so dass sie in der Regel auch jeweils nur einmal beschrieben werden.In the figures of the drawing, the same or corresponding parts are always provided with the same reference numerals, so that they are usually described only once in each case.

Wie sich zunächst aus Fig. 1 ergibt, weist eine erfindungsgemäße elektrische Installationsvorrichtung 1, wie ein Drehschalter oder Drehregler, insbesondere ein Rastpotentiometer, eine Abdeckung 2 und ein drehbar gelagertes Betätigungsglied 3 auf. Das Betätigungsglied 3 löst durch Verdrehen (Doppelpfeil R) um eine Stellachse X, welche die Abdeckung 2 durchdringt, einen Schalt- oder Regelvorgang in der erfindungsgemäßen elektrischen Installationsvorrichtung 1 aus. Dieser kann beispielsweise mittels einer unter der Abdeckung 2 liegenden elektrischen Platine realisiert werden.As it turned out first Fig. 1 shows, an inventive electrical installation device 1, such as a rotary switch or knob, in particular a detent potentiometer, a cover 2 and a rotatably mounted actuator 3. The actuator 3 triggers by twisting (double arrow R) about a control axis X, which penetrates the cover 2, a switching or control process in the electrical installation device 1 according to the invention. This can be realized for example by means of a lying under the cover 2 electrical board.

Sowohl die Abdeckung 2, als auch das Betätigungsglied 3 können bevorzugt als Form- oder Spritzgussteile ausgebildet sein und insbesondere aus Kunststoff bestehen.Both the cover 2, as well as the actuator 3 may preferably be formed as a molded or injection molded parts and in particular made of plastic.

Bei der exemplarisch dargestellten erfindungsgemäßen elektrischen Installationsvorrichtung 1 handelt es sich im Besonderen um eine in Unterputzmontage an einer Wand installierbare elektrische Vorrichtung, bei der jedoch die Abdeckung in der Art eines Blendrahmens Ober dem Putz, also auf der Wand, zu liegen kommt.In the illustrated by way of example inventive electrical installation device 1 is in particular a flush-mounted on a wall installable electrical device, but in which the cover comes to rest in the manner of a frame above the plaster, ie on the wall.

Das Betätigungsglied 3 ist als runder topfartiger Drehknopf mit zylindrischer Wandung und kreisförmiger Deckfläche ausgebildet. Es ist dabei in einer, insbesondere Fig. 2 und 3 in anschaulicher Weise entnehmbaren, an seine umfangsgemäße Außenkontur formangepassten Vertiefung 4 der Abdeckung 2 angeordnet und beim Drehen geführt.The actuator 3 is designed as a round pot-like knob with a cylindrical wall and a circular top surface. It is in one, in particular Fig. 2 and 3 arranged in an illustrative manner, shape adapted to its circumference outer contour recess 4 of the cover 2 and guided during rotation.

Die erfindungsgemäße elektrische Installationsvorrichtung weist ein erstes Rastelement 5 auf, das nur in Fig. 4 zu sehen ist, und ein zweites Rastelement 6, welches Fig. 2 in seiner Gesamtheit und Fig. 3 und 4 jeweils in einer Einzelheit zeigen. Die beiden Rastelemente 5, 6 wirken in Richtung der Stellachse federnd miteinander zusammen, wobei sie eine Drehstellung des Betätigungsgliedes 3 fixieren und beim Drehen des Betätigungsgliedes 3 ein hörbares Klicken erzeugen, so dass der Ablauf des durch das Drehen erfolgenden Stell- oder Schaltvorganges einer Bedienperson akustisch signalisiert wird.The electrical installation device according to the invention has a first latching element 5, which only in Fig. 4 can be seen, and a second locking element 6, which Fig. 2 in its entirety and Fig. 3 and 4 each in a detail show. The two locking elements 5, 6 act in the direction of the adjusting axis together resiliently, they fix a rotational position of the actuator 3 and generate an audible click when turning the actuator 3, so that the sequence of taking place by turning adjusting or switching operation of an operator acoustically is signaled.

Das erste Rastelement 5 ist an dem Betätigungsglied 3 und das zweite Rastelement 6 an der Abdeckung 2 angeordnet. Es ist vorgesehen, dass das erste Rastelement 5 durch eine Vielzahl von ringförmig angeordneten Rastvertiefungen 5 im Betätigungsglied 3 und das zweite Rastelement an der Abdeckung 2 als mindestens eine, eine Rastnase 7a, 7b, 7c aufweisende Federzunge 6a, 6b, 6c ausgebildet ist. Im dargestellten Fall ist das zweite Rastelement 6 durch drei um 120° zueinander versetzte, Federzungen 6a, 6b 6c gebildet. Dadurch wird eine ausbalancierte gegenseitige Abstützung der ersten Rastelemente 5 auf den zweiten Rastelementen 6 erreicht. Wenn das Betätigungselement 3 mit Spiel entlang der Betätigungsachse X montierbar ist, kann durch diese Abstützung vorteilhafterweise erreicht werden, dass durch die mittels der Rastelemente 5, 6 solchermaßen erzeugte Vorspannung im Montagezustand eine axiale Spielfreiheit erreicht wird.The first locking element 5 is arranged on the actuating member 3 and the second locking element 6 on the cover 2. It is provided that the first locking element 5 is formed by a plurality of annularly arranged detent recesses 5 in the actuating member 3 and the second detent element on the cover 2 as at least one, a detent 7a, 7b, 7c having spring tongue 6a, 6b, 6c. In the case shown, the second locking element 6 is formed by three offset by 120 ° to each other, spring tongues 6a, 6b 6c. As a result, a balanced mutual support of the first latching elements 5 on the second latching elements 6 is achieved. If the actuating element 3 can be mounted with play along the actuating axis X, it can advantageously be achieved by this support that an axial backlash is achieved in the assembled state by the prestressing thus produced by means of the locking elements 5, 6.

Die Federzungen 6a, 6b, 6c sind in fertigungstechnisch vorteilhaft aufwandsarmer Weise einstückig mit der Abdeckung 2 ausgebildet, wobei sie aus einer Deckfläche 8 der Abdeckung 2 freigespart sind, wie dies durch die insbesondere Fig. 3 entnehmbaren, im Wesentlichen in Umfangsrichtung verlaufenden Spalte 9a, 9b seitlich der Federzunge 6a und den im Wesentlichen radial verlaufenden Spalt 9c an der Stirnseite der Federzunge 6c veranschaulicht wird. Die Federzungen 6a, 6b, 6c befinden sich somit in einer Ausnehmung 9a/9b/9c, wie einer Tasche, der Abdeckung 2 und sind damit in optimaler Weise gegen Beschädigungen geschützt.The spring tongues 6a, 6b, 6c are advantageously formed in an economically uncomplicated manner with the cover 2, wherein they are freed from a top surface 8 of the cover 2, as characterized by the particular Fig. 3 removable, substantially circumferentially extending column 9a, 9b is illustrated laterally of the spring tongue 6a and the substantially radially extending gap 9c on the end face of the spring tongue 6c. The spring tongues 6a, 6b, 6c are thus in a recess 9a / 9b / 9c, such as a bag, the cover 2 and are thus optimally protected against damage.

Die Federzungen 6a, 6b, 6c sind des Weiteren nach der Art einer Blattfeder ausgebildet. Das leicht konvex in Richtung auf das erste Rastelement 5 hin gekrümmte Blatt 10 der Federzungen 6a, 6b, 6c erstreckt sich dabei insbesondere im Wesentlichen in der Ebene der in der Vertiefung 4 liegenden Deckfläche 8 der Abdeckung 2. Nur die Rastnasen 7a, 7b, 7c der Federzungen 6a, 6b, 6c stehen gegenüber der Deckfläche 8 der Abdeckung 2 in axialer Richtung X auf das erste Rastelement 5 hin vor.The spring tongues 6a, 6b, 6c are further formed in the manner of a leaf spring. The slightly convex in the direction of the first locking element 5 towards curved sheet 10 of the spring tongues 6a, 6b, 6c extends in particular substantially in the plane of lying in the recess 4 deck surface 8 of the cover 2. Only the locking lugs 7a, 7b, 7c the spring tongues 6a, 6b, 6c are opposite to the top surface 8 of the cover 2 in the axial direction X on the first locking element 5 ago.

Fig. 4 zeigt einerseits weitere Details des an dem Betätigungsglied 3 befindlichen ersten Rastelementes 5, andererseits veranschaulicht sie, wie die komplementären Rastelemente 5, 6 der erfindungsgemäßen elektrischen Installationsvorrichtung miteinander zusammenwirken. So ist Fig. 4 zu entnehmen, dass die Rastvertiefungen 5 durch sich in Bezug auf die Stellachse X radial erstreckende Rippen oder Zähne 11 voneinander getrennt sind. Dadurch ist eine an einer Unterseite des Betätigungsgliedes 3 ausgebildete Stirnverzahnung gebildet. Fig. 4 on the one hand shows more details of the actuator 3 located on the first locking element 5, on the other hand, it illustrates how the complementary locking elements 5, 6 of the electrical installation device according to the invention cooperate with each other. So is Fig. 4 can be seen that the locking recesses 5 are separated from each other by itself with respect to the adjusting axis X radially extending ribs or teeth 11. As a result, a spur toothing formed on an underside of the actuating member 3 is formed.

Um bei sicherer Erfüllung der angestrebten Funktion der Rastelemente 5, 6 eine Leichtgängigkeit des Betätigungsgliedes 3 beim Drehen zu erreichen, kann - wie dargestellt - in bevorzugter Weise vorgesehen sein, dass die Stirnverzahnung mit den Rastvertiefungen 5 und den sich radial erstreckenden Rippen oder Zähnen 11 in Sinusform ausgebildet ist. Eine entsprechend komplementäre Form weisen die Rastnasen 7a, 7b, 7c auf.In order to achieve a smooth operation of the actuating member 3 during rotation when securely fulfilling the intended function of the latching elements 5, 6, it can be provided in a preferred manner, as shown, that the spur toothing with the latching recesses 5 and the radially extending ribs or teeth 11 in FIG Sinusoid is formed. A correspondingly complementary shape, the locking lugs 7a, 7b, 7c.

Das erste Rastelement 5, welches als mit dem Betätigungsglied 3 bewegbar ringförmig an dem Betätigungsglied 3 ausgebildet ist, und das zweite Rastelement 6, welches auf ortsfesten Positionen der Abdeckung 2 angeordnet ist, wirken bei einer Drehung des Betätigungsgliedes 3 rastend und federnd miteinander zusammen. Zur Veränderung der jeweiligen Drehstellung des Betätigungsgliedes 3 ist dabei eine den Rastwiderstand zwischen den beiden Rastelementen 5, 6 überschreitende Drehkraft aufzuwenden. Dadurch gleitet jede Rastnase 7a, 7b, 7c aus der Vertiefung 5, in der sie sich befindet, über einen neben der Vertiefung 5 befindlichen Zahn 11 in die nächste Vertiefung 5 usw., bis das Ende des Drehvorgangs erreicht ist. Die Federzungen 6a, 6b, 6c führen dabei eine, insbesondere schwingende, Bewegung in Richtung des in Fig. 4 mit dem Bezugszeichen S versehenen Doppelpfeils aus, wodurch ein klickendes Geräusch hervorgerufen wird. Am Ende des Drehvorgangs wird die Drehstellung des Betätigungsgliedes 3 durch den jeweiligen Eingriff einer Rastnase 7a, 7b, 7c in eine Vertiefung 5 fixiert.The first locking element 5, which is designed to be movable with the actuating member 3 annularly on the actuating member 3, and the second locking element 6, which is arranged on stationary positions of the cover 2 act on a rotation of the actuating member 3 latching and resilient together. To change the respective rotational position of the actuating member 3 while a the latching resistance between the two locking elements 5, 6 excess torque is spent. As a result, each locking lug 7a, 7b, 7c slides out of the recess 5 in which it is located via a tooth 11 located next to the recess 5 into the next one Well 5, etc., until the end of the turning process is reached. The spring tongues 6a, 6b, 6c thereby lead a, in particular oscillating, movement in the direction of in Fig. 4 provided with the reference symbol S double arrow, whereby a clicking noise is caused. At the end of the turning operation, the rotational position of the actuating member 3 is fixed by the respective engagement of a locking lug 7a, 7b, 7c in a recess 5.

Die Rastelemente 5, 6 können jeweils eine axiale Höhe H5, H6 von weniger als 6 mm, bevorzugt von weniger als 3 mm, besonders bevorzugt von weniger als 1 mm, aufweisen. Unter der axialen Höhe H5 der ersten Rastelemente 5 wird dabei - wie Fig. 4 zeigt - die Höhe der Rippen oder Zähne 11 verstanden, während unter der axialen Höhe H6 der zweiten Rastelemente 6 die Höhe der jeweiligen Rastnasen 7a, 7b, 7c zuzüglich der Dicke D der entsprechenden Federzungen 6a, 6b, 6c verstanden wird. Dementsprechend weisen die axialen Höhen H5 der ersten Rastelemente 5 Werte von weniger als 3 mm, vorzugsweise von weniger als 1 mm, auf und die axialen Höhen H6 der zweiten Rastelemente 6 Werte von weniger als 6 mm, vorzugsweise von weniger als 3 mm. Die Dicke D der zweiten Rastelemente 6 ist dabei klein gegenüber der Länge L und der Breite B der Rastelemente 6. Letztere, insbesondere die Länge L, weisen einen Wert auf, der ein Vielfaches des Wertes der Dicke D ist.The latching elements 5, 6 can each have an axial height H5, H6 of less than 6 mm, preferably less than 3 mm, particularly preferably less than 1 mm. Under the axial height H5 of the first locking elements 5 is doing - how Fig. 4 shows - the height of the ribs or teeth 11 understood, while the axial height H6 of the second locking elements 6, the height of the respective locking lugs 7a, 7b, 7c plus the thickness D of the corresponding spring tongues 6a, 6b, 6c understood. Accordingly, the axial heights H5 of the first locking elements 5 have values of less than 3 mm, preferably less than 1 mm, and the axial heights H6 of the second locking elements 6 values of less than 6 mm, preferably less than 3 mm. The thickness D of the second locking elements 6 is small compared to the length L and the width B of the locking elements 6. The latter, in particular the length L, have a value which is a multiple of the value of the thickness D.

Die Erfindung ist nicht auf das beschriebene Ausführungsbeispiel beschränkt, sondern umfasst auch alle im Sinne der Erfindung gleichwirkenden Ausführungen, wie dies bereits aus der vorstehenden Beschreibung hervorgeht. So könnte die Stirnverzahnung der ersten Rastelemente 5 der erfindungsgemäßen elektrischen Installationsvorrichtung - im Gegensatz zu dem dargestellten Beispiel - auch sägezahnartig oder mit anderer Form ausgebildet sein. Bei der erfindungsgemäßen elektrischen Installationsvorrichtung 1 muss es sich nicht um eine in Unterputzmontage an einer Wand installierbare Vorrichtung handeln, sondern diese könnte auch bei Schalttafeln oder elektrischen Geräten, wie Bügeleisen, Waschmaschinen, Geräte der Unterhaltungselektronik usw. Verwendung finden.The invention is not limited to the exemplary embodiment described, but also encompasses all embodiments which have the same effect in the sense of the invention, as already evident from the above description. Thus, the spur toothing of the first latching elements 5 of the electrical installation device according to the invention - in contrast to the illustrated example - may also be formed like a sawtooth or other shape. The electrical installation device 1 according to the invention does not have to be a flush-mountable device on a wall, but it could also be used in switchboards or electrical appliances such as irons, washing machines, consumer electronics devices, etc.

Weiterhin kann der Fachmann zusätzliche technische Maßnahmen vorsehen, durch die die Erfindung in zweckmäßiger Weise ausgestaltet wird. So zeigt Fig. 2 eine zentrische Durchtrittsöffnung 12 in der Abdeckung 2 für eine Betätigungswelle des Betätigungsgliedes 3. Diese befindet sich in einem domartigen Aufbau 13 der Abdeckung 2, der im Montagezustand von dem Betätigungsglied 3 übergriffen und abgedeckt wird. In dem Aufbau 13 ist eine kreisbogenförmige Nut 14 vorgesehen, in der beispielsweise ein im Inneren des Betätigungsgliedes 3 unterseitig angesetzter Nocken die Drehbewegung des Betätigungsgliedes 3 anschlagsbegrenzend geführt ist.Furthermore, the skilled person can provide additional technical measures by which the invention is designed in an appropriate manner. So shows Fig. 2 a central passage opening 12 in the cover 2 for an actuating shaft of the actuator 3. This is in a dome-like structure 13 of the cover 2, which overlapped in the assembled state of the actuator 3 and is covered. In the structure 13, a circular arc-shaped groove 14 is provided, in which, for example, a below the inside of the actuator 3 attached cam, the rotational movement of the actuator 3 is guided stop-limiting.

Bezugszeichenreference numeral

11
Installationsvorrichtunginstallation device
22
Abdeckungcover
33
Betätigungsgliedactuator
44
Vertiefung in 2Deepening in 2
55
erstes Rastelement (an 3)first locking element (at 3)
66
zweites Rastelement (an 2)second locking element (on 2)
6a, 6b, 6c6a, 6b, 6c
Federzungenspring tongues
7a, 7b, 7c7a, 7b, 7c
Rastnasen an 6a, 6b, 6cLatches at 6a, 6b, 6c
88th
Deckfläche von 2Deck area of 2
9a, 9b9a, 9b
Spalt in 2, seitlich von 6a, 6b, 6cGap in 2, laterally from 6a, 6b, 6c
9c9c
Spalt in 2, stirnseitig von 6a, 6b, 6cGap in 2, frontally of 6a, 6b, 6c
9a/9b/9c9a / 9b / 9c
Tasche für 6a, 6b, 6cBag for 6a, 6b, 6c
1010
Blatt von 6a, 6b, 6cSheet from 6a, 6b, 6c
1111
Zahn zwischen 5Tooth between 5
1212
Durchtrittsöffnung in 2Passage opening in 2
1313
Aufbau auf 8Build on 8
1414
Nut in 13Groove in 13
BB
Breite von 6a, 6b, 6cWidth of 6a, 6b, 6c
DD
Dicke von 6a, 6b, 6cThickness of 6a, 6b, 6c
H5H5
Höhe von 5Height of 5
H6H6
Höhe von 6Height of 6
LL
Länge von 6a, 6b, 6cLength of 6a, 6b, 6c
RR
Drehrichtung von 3Direction of rotation of 3
SS
Bewegungsrichtung von 6a, 6b, 6cMovement direction of 6a, 6b, 6c
XX
Drehachse von 3Rotation axis of 3

Claims (12)

  1. An electrical installation device (1), such as a rotary switch or control dial, in particular stepped potentiometer, with a cover (2) and with a rotatably mounted actuating member (3) which by turning about an adjustment axis (X) which penetrates the cover (X) triggers a switching or control operation, with a first and a second latch element (5, 6) which cooperate in resilient manner with each other in the direction of the adjustment axis (X) and of which the first latch element (5) is arranged on the actuating member (3) and the second latch element (6) on the cover (2), the first latch element (5) being formed by latch depressions (5), arranged in a ring, in the actuating member (3) and the second latch element (6) as at least one flexible tongue (6a, 6b, 6c), having a latch projection (7a, 7b, 7c), on the cover (2),
    characterised in that the actuating member (3) is arranged in a depression (4) of the cover (2) adapted in shape to its peripheral external contour and is guided upon turning, the flexible tongue(s) (6a, 6b, 6c) also being arranged in the region of this depression (4).
  2. An installation device (1) according to Claim 1, characterised in that the latch depressions (5) are separated from each other by ribs or teeth (11) extending radially relative to the adjustment axis (X).
  3. An installation device (1) according to Claim 1 or 2, characterised in that the latch depressions (5) are formed by a spur gear formed on an underside of the actuating member (3).
  4. An installation device (1) according to Claim 3, characterised in that the spur gear is formed sinusoidally with the latch depressions (5) and the radially extending ribs or teeth (11).
  5. An installation device (1) according to one of Claims 1 to 4, characterised in that the second latch element (6) is formed by two or more flexible tongues (6a, 6b, 6c), in particular by three flexible tongues offset relative to each other by 120°.
  6. An installation device (1) according to one of Claims 1 to 5, characterised in that the flexible tongue(s) (6a, 6b, 6c) is/are formed in one piece with the cover (2).
  7. An installation device (1) according to one of Claims 1 to 6, characterised in that the flexible tongue(s) (6a, 6b, 6c) is/are relieved from a covering surface (8) of the cover (2).
  8. An installation device (1) according to one of Claims 1 to 7, characterised in that the flexible tongue(s) (6a, 6b, 6c) is/are designed in the manner of a leaf spring, the leaf (10) of which extends in particular substantially in the plane of a/the covering surface (8) of the cover (2).
  9. An installation device (1) according to one of Claims 1 to 8, characterised in that the flexible tongue(s) (6a, 6b, 6c) is/are arranged in a recess, such as a pocket (9a/9b/9c), in the cover (2).
  10. An installation device (1) according to one of Claims 1 to 9, characterised in that the cover (2) and/or the actuating member (3) is/are formed as (a) moulded or injection-moulded part(s) and in particular consist(s) of plastics material.
  11. An installation device (1) according to one of Claims 1 to 10, characterised in that the latch elements (5, 6) in each case have an axial height (H5, H6) of less than 6 mm, preferably of less than 3 mm, particularly preferably of less than 1 mm.
  12. An installation device (1) according to one of Claims 1 to 11, characterised in that the actuating member (3) is in the form of a rotary knob.
EP09718341A 2008-03-01 2009-02-26 Electric installation device such as a rotary switch or control dial, in particular a latching potentiometer Not-in-force EP2126945B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09718341T PL2126945T3 (en) 2008-03-01 2009-02-26 Electric installation device such as a rotary switch or control dial, in particular a latching potentiometer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202008002959U DE202008002959U1 (en) 2008-03-01 2008-03-01 Electrical installation device, such as rotary switch or knob, in particular Rastpotentiometer
PCT/EP2009/052267 WO2009109508A1 (en) 2008-03-01 2009-02-26 Electric installation device such as a rotary switch or control dial, in particular a latching potentiometer

Publications (2)

Publication Number Publication Date
EP2126945A1 EP2126945A1 (en) 2009-12-02
EP2126945B1 true EP2126945B1 (en) 2011-02-16

Family

ID=40751069

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09718341A Not-in-force EP2126945B1 (en) 2008-03-01 2009-02-26 Electric installation device such as a rotary switch or control dial, in particular a latching potentiometer

Country Status (6)

Country Link
EP (1) EP2126945B1 (en)
AT (1) ATE498897T1 (en)
DE (2) DE202008002959U1 (en)
PL (1) PL2126945T3 (en)
RU (1) RU2510093C2 (en)
WO (1) WO2009109508A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3023964B1 (en) * 2014-07-21 2016-08-05 Legrand France FINISHING ASSEMBLY FOR ELECTRICAL SWITCH AND ELECTRICAL SWITCH WITH SUCH A FINISHING ASSEMBLY
US10777341B2 (en) 2018-07-25 2020-09-15 Denso International America, Inc. Potentiometer toggle switch
EP3703085B1 (en) * 2019-02-28 2024-08-14 Gerdes Holding GmbH & Co. KG Electronic rotary switch and electric continuous-flow heater
DE102019006159A1 (en) * 2019-09-02 2021-03-04 Marquardt Gmbh Electric switch
RU200669U1 (en) * 2020-01-22 2020-11-05 Мендаса Игнасио Араико SWITCH ROTARY

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU484582A1 (en) * 1973-07-25 1975-09-15 Предприятие П/Я Х-5618 Apparatus for manufacturing a capacitor section with wire leads
SU725103A1 (en) * 1978-10-03 1980-03-30 Научно-Производственное Объединение "Автоматгормаш" Multiposition change-over switch
SU924770A1 (en) * 1980-10-04 1982-04-30 Предприятие П/Я А-3327 Switching device
DE3800956A1 (en) 1988-01-15 1989-07-27 Asea Brown Boveri ELECTRICAL SWITCHGEAR
US5010214A (en) * 1988-08-11 1991-04-23 Atsuo Yamazaki Rotary switch
US7067744B2 (en) * 2004-04-16 2006-06-27 Visteon Global Technologies, Inc. Knob assembly

Also Published As

Publication number Publication date
RU2510093C2 (en) 2014-03-20
ATE498897T1 (en) 2011-03-15
EP2126945A1 (en) 2009-12-02
WO2009109508A1 (en) 2009-09-11
RU2010140140A (en) 2012-04-10
DE502009000373D1 (en) 2011-03-31
PL2126945T3 (en) 2011-07-29
DE202008002959U1 (en) 2009-07-02

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