EP0179246B1 - Retractable turning knob - Google Patents

Retractable turning knob Download PDF

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Publication number
EP0179246B1
EP0179246B1 EP85111400A EP85111400A EP0179246B1 EP 0179246 B1 EP0179246 B1 EP 0179246B1 EP 85111400 A EP85111400 A EP 85111400A EP 85111400 A EP85111400 A EP 85111400A EP 0179246 B1 EP0179246 B1 EP 0179246B1
Authority
EP
European Patent Office
Prior art keywords
rotary knob
reflector
lamps
knob according
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP85111400A
Other languages
German (de)
French (fr)
Other versions
EP0179246A1 (en
Inventor
Manfred Baumgartl
Joachim Weinholt
Helmut Straninger
Hans Seitz
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of EP0179246A1 publication Critical patent/EP0179246A1/en
Application granted granted Critical
Publication of EP0179246B1 publication Critical patent/EP0179246B1/en
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
    • G05G1/087—Controlling members for hand actuation by rotary movement, e.g. hand wheels retractable; Flush control knobs
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
    • G05G1/10—Details, e.g. of discs, knobs, wheels or handles
    • G05G1/105—Details, e.g. of discs, knobs, wheels or handles comprising arrangements for illumination
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches 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
    • H01H19/02—Details
    • H01H19/025—Light-emitting indicators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/08—Turn knobs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/08—Turn knobs
    • H01H2003/085—Retractable turn knobs, e.g. flush mounted
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/062—Light conductor
    • H01H2219/0622—Light conductor only an illuminated ring around keys

Definitions

  • the invention relates to a retractable rotary knob according to the preamble of patent claim 1.
  • a retractable rotary toggle of this type is known from DE-C-2 701 017.
  • the invention has for its object to improve the retractable rotary knob of the known type by an optical display device in order to recognize or read the setting markings and the operating display even with poor room lighting or impaired visual acuity of the operator enable.
  • the invention provides a retractable rotary toggle with illuminated setting marking characters, which allows the setting marking characters to be clearly recognized even under unfavorable lighting conditions and poor visual acuity. Furthermore, this retractable rotary knob is characterized by a uniform light distribution in the entire area of the setting markings. Furthermore, an additional optical operating display can be dispensed with because the start-up of the relevant consumer is simultaneously signaled by the lighting of the marking signs.
  • With 1 is the front of a switch panel for a household appliance forming aperture plate designated, which in the illustrated embodiment made of a transparent material, for. B. glass.
  • the diaphragm plate 1 is tinted or colored from the rear so that a transparent ring area 3 remains only around a toggle opening 2.
  • the toggle opening 2 in the diaphragm plate 1 is occupied by a retractable rotary toggle 4 which is designed as a hollow cylinder and which, in its lowered position (rest position), is flush with the front of the bleno plate 1.
  • the rotary toggle 4 is slidably or displaceably on a toggle shaft 5 which is operatively connected to a switching or regulating device 7 via a plug connection 6.
  • a compression spring Inside the rotary toggle 4 is a compression spring, not visible, which is supported against the end of the toggle shaft 5 which ends in the rotary toggle and by means of which it is pressed by briefly tapping the rotary toggle 1 from its retracted latching position into the extended operating position, in which the Switching or regulating device 7 can be set.
  • the reflector body 8 has an annular reflector chamber 10 which is open towards the diaphragm plate 1 and is formed by molding. so that the reflector body and reflector chamber are integrally formed.
  • the open side of the reflector chamber 10 directed towards the rear of the diaphragm plate 1 is covered with a translucent or translucent ring body 11, which preferably consists of a prism glass or a glass ring with a prism-like surface arranged on the outside.
  • a luminous element is accommodated, which consists of several individual glow lamps 12, 12 'distributed around its circumference.
  • 12 ", 12" 'or consists of a glow lamp with a plurality of arc-shaped fluorescent glass bulbs 13, 13', 13 ".
  • the glow lamps 12, 12 ', 12 ", 12"' are arranged so as to protrude vertically from the insulating ring body 14.
  • the insulating ring body 14 also carries the electrical circuit for the glow lamps, which is designed in a known manner as a printed creation.
  • a switch position indicator 16 provided with markings made of translucent material is coupled, the ring-like marking surface 17 of which is arranged between the translucent ring body 11 of the reflector chamber 10 and the rear of the diaphragm plate 1. In front of the marking surface 17 there is the transparent ring area 3 of the diaphragm plate 1.
  • the switch position indicator 16 is also cylindrical or cup-shaped and designed so that the reflector body 8 takes it in with play.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Description

Die Erfindung betrifft einen versenkbaren Drehknebel nach dem Oberbegriff des Patentanspruches 1.The invention relates to a retractable rotary knob according to the preamble of patent claim 1.

Aus der DE-C-2 701 017 ist ein versenkbarer Drehknebel dieser Art bekannt.A retractable rotary toggle of this type is known from DE-C-2 701 017.

Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, den versenkbaren Drehknebel der bekannten Art durch eine optische Anzeigeeinrichtung zu verbessern, um das Erkennen bzw. Ablesen der Einstell-Markierungszeichen sowie der Betriebsanzeige auch bei mangelhafter Raumausleuchtung oder beeinträchtigter Sehschärfe der Bedienungsperson zweifelsfrei zu ermöglichen.Based on this prior art, the invention has for its object to improve the retractable rotary knob of the known type by an optical display device in order to recognize or read the setting markings and the operating display even with poor room lighting or impaired visual acuity of the operator enable.

Die Lösung dieser Aufgabe gemäß der Erfindung ist dem kennzeichnenden Teil des Patentanspruches 1 zu entnehmen.The solution to this problem according to the invention can be found in the characterizing part of patent claim 1.

Zweckmäßige weitere Ausgestaltungen des Gegenstandes der Erfindung sind in den Unteransprüchen angegeben.Advantageous further developments of the subject matter of the invention are specified in the subclaims.

Durch die Erfindung wird ein versenkbarer Drehknebel mit beleuchteten Einstell-Markierungszeichen geschaffen, der auch bei ungünstigen Lichtverhältnissen und mangelhafter Sehschärfe ein deutliches Erkennen der Einstell-Markierungszeichen zuläßt. Weiterhin zeichnet sich dieser versenkbare Drehknebel durch eine gleichmäßige Lichtverteilung im gesamten Bereich der Einstell-Markierungszeichen aus. Ferner kann dadurch eine zusätzliche optische Betriebsanzeige entfallen, weil durch Aufleuchten der Markierzungszeichen gleichzeitig die Inbetriebnahme des betreffenden Verbrauchers signalisiert wird.The invention provides a retractable rotary toggle with illuminated setting marking characters, which allows the setting marking characters to be clearly recognized even under unfavorable lighting conditions and poor visual acuity. Furthermore, this retractable rotary knob is characterized by a uniform light distribution in the entire area of the setting markings. Furthermore, an additional optical operating display can be dispensed with because the start-up of the relevant consumer is simultaneously signaled by the lighting of the marking signs.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird anhand dieser näher erläutert.An embodiment of the invention is shown in the drawing and will be explained in more detail with reference to this.

Es zeigen :

  • Fig. 1 eine Schalterblende für ein Haushaltsgerät mit einem versenkten Drehknebel und optischer Anzeigeeinrichtung im Schnitt.
  • Fig. 2 und 3 Ansichten von zwei unterschiedlichen Ausführungsmöglichkeiten der Anzeigeeinrichtung.
Show it :
  • Fig. 1 is a switch panel for a household appliance with a countersunk rotary knob and optical display device in section.
  • 2 and 3 are views of two different possible embodiments of the display device.

Mit 1 ist die die Vorderseite einer Schalterblende für ein Haushaltsgerät bildende Blendenplatte bezeichnet, die beim dargestellten Ausführungsbeispiel aus einem durchsichtigen Material, z. B. Glas, besteht. Die Blendenplatte 1 ist dabei von der Rückseite her so abgetönt bzw. eingefärbt, daß lediglich um eine Knebelöffnung 2 herum ein durchsichtiger Ringbereich 3 verbleibt. Die Knebelöffnung 2 in der Blendenplatte 1 wird von einem versenkbaren Drehknebel 4 eingenommen, der als Hohlzylinder ausgebildet ist und der in seiner versenkten Stellung (Ruhestellung) mit der Vorderseite der Blenoenplatte 1 fluchtet. Der Drehknebel 4 sitzt gleit- bzw. verschiebbar auf einer Knebelwelle 5, die über eine Steckverbindung 6 mit einer Schalt- oder Regeleinrichtung 7 in Wirkverbindung gebracht ist. Im Innern des Drehknebels 4 ist eine nicht sichtbare Druckfeder untergebracht, die sich gegen die im Drehknebel endende Stirnseite der Knebelwelle 5 abstützt und mit Hilfe derer durch ein kurzzeitiges Antippen des Drehknebels 1 dieser aus seiner versenkten Raststellung in die ausgefahrene Betriebsstellung gedrückt wird, in der die Schalt-oder Regeleinrichtung 7 eingestellt werden kann.With 1 is the front of a switch panel for a household appliance forming aperture plate designated, which in the illustrated embodiment made of a transparent material, for. B. glass. The diaphragm plate 1 is tinted or colored from the rear so that a transparent ring area 3 remains only around a toggle opening 2. The toggle opening 2 in the diaphragm plate 1 is occupied by a retractable rotary toggle 4 which is designed as a hollow cylinder and which, in its lowered position (rest position), is flush with the front of the bleno plate 1. The rotary toggle 4 is slidably or displaceably on a toggle shaft 5 which is operatively connected to a switching or regulating device 7 via a plug connection 6. Inside the rotary toggle 4 is a compression spring, not visible, which is supported against the end of the toggle shaft 5 which ends in the rotary toggle and by means of which it is pressed by briefly tapping the rotary toggle 1 from its retracted latching position into the extended operating position, in which the Switching or regulating device 7 can be set.

Hinter die Rückseite der Blendenplatte 1 befindet sich ein den versenkbaren Drehknebel 4 in sich aufnehmender zylinder- bzw. topfartiger Reflektorkörper 8, der in nicht dargestellter Weise durch eine Steck- bzw. Laschenverbindung an einem die Blendenplatte 1 tragenden Blendenrahmen 9 gehaltert ist. Der Reflektorkörper 8 weist eine zur Blendenplatte 1 hin offene ringförmige Reflektorkammer 10 auf, die durch Anformen gebildet ist. so daß Reflektorkörper und Reflektorkammer einstückig ausgebildet sind. Die zur Rückseite der Blendenplatte 1 hin gerichtete offene Seite der Reflektorkammer 10 ist mit einem lichtdurchlässigen bzw. lichtdurchscheinenden Ringkörper 11, der vorzugsweise aus einem Prismenglas bzw. einem Glasring mit nach außen angeordneter prismenartiger Oberfläche besteht, abgedeckt. In der Reflektorkammer 10 ist ein Leuchtkörper untergebracht, der aus mehreren um deren Umfang verteilt angeordneten einzelnen Glimmlampen 12, 12'. 12", 12"' oder aus einer Glimmlampe mit mehreren kreisbogenförmigen Leuchtglaskolben 13, 13', 13" besteht. Bei Verwendung von mehreren einzelnen Glimmlampen als Leuchtkörper sind diese fester Bestandteil eines aus Hartpapier bestehenden Isolierringkörpers 14, der an der Rückseite der Reflektorkammer 10 angelegt ist. Die Glimmlampen 12,12', 12", 12"' sind senkrecht vom Isolierringkörper 14 ab- , stehend angeordnet. Zum Einführen der Glimmlampen in die Reflektorkammer 10 besitzt diese rückseitig entsprechende Einführungsöffnungen 15. Der Isolierringkörper 14 trägt auch die elektrische Schaltung für die Glimmlampen, die in bekannter Weise als gedruckte Schaffung ausgeführt ist.Behind the rear of the panel plate 1 there is a retractable rotary knob 4 in a cylindrical or pot-like reflector body 8, which is held in a manner not shown by a plug or tab connection on a panel frame 9 carrying the panel plate 1. The reflector body 8 has an annular reflector chamber 10 which is open towards the diaphragm plate 1 and is formed by molding. so that the reflector body and reflector chamber are integrally formed. The open side of the reflector chamber 10 directed towards the rear of the diaphragm plate 1 is covered with a translucent or translucent ring body 11, which preferably consists of a prism glass or a glass ring with a prism-like surface arranged on the outside. In the reflector chamber 10, a luminous element is accommodated, which consists of several individual glow lamps 12, 12 'distributed around its circumference. 12 ", 12" 'or consists of a glow lamp with a plurality of arc-shaped fluorescent glass bulbs 13, 13', 13 ". When using several individual glow lamps as illuminants, these are an integral part of an insulating ring body 14 made of hard paper, which is applied to the rear of the reflector chamber 10 The glow lamps 12, 12 ', 12 ", 12"' are arranged so as to protrude vertically from the insulating ring body 14. To insert the glow lamps into the reflector chamber 10, the latter has corresponding insertion openings 15. The insulating ring body 14 also carries the electrical circuit for the glow lamps, which is designed in a known manner as a printed creation.

Mit den die Drehbewegung des Drehknebels 4 übertragenden Teilen 5 bzw. 6 ist ein mit Markierungen versehener Schalterstellungsanzeiger 16 aus lichtdurchscheinendem Material gekoppelt, dessen ringartige Markierungsfläche 17 zwischen dem lichtdurchlässigen Ringkörper 11 der Reflektorkammer 10 und der Rückseite der Blendenplatte 1 angeordnet ist. Vor der Markierungsfläche 17 befindet sich der durchsichtige Ringbereich 3 der Blendenplatte 1. Der Schalterstellungsanzeiger 16 ist ebenfalls zylinder- oder topfartig ausgebildet und so ausgelegt, daß der Reflektorkörper 8 diesen mit Spiel in sich aufnimmt.With the parts 5 and 6, which transmit the rotary movement of the rotary knob 4, a switch position indicator 16 provided with markings made of translucent material is coupled, the ring-like marking surface 17 of which is arranged between the translucent ring body 11 of the reflector chamber 10 and the rear of the diaphragm plate 1. In front of the marking surface 17 there is the transparent ring area 3 of the diaphragm plate 1. The switch position indicator 16 is also cylindrical or cup-shaped and designed so that the reflector body 8 takes it in with play.

Claims (8)

1. Depressable rotary knob (4) with setting marks for setting the switching or control devices (7) arranged behind a switch cover (1) in household appliances such as kitchen stoves, washing machines, or the like, characterised by the following features :
- a cylindrical-or pot-like reflector body (8), which accommodates the depressable rotary knob (4) is arranged behind the rear of the switch cover (1).
- the. reflector body (8) is provided with an annular relector chamber (10) which is open towards the switch cover (1),
- the open side of the reflector chamber (10) is covered by a transparent annular body (11),
- the reflector chamber (10) contains a plurality of lamps (12 and 13) distributed over the circumference,
- a switch position indicator (16) of a light transmitting material, which is provided with the markings, and the marking surface (17) of which is arranged between the transparent annular body (11) of the reflector chamber (10) and the rear of the switch cover (19) is coupled with the rotary knob (4).
2. Rotary knob according to Claim 1, characterised in that the reflector chamber (10) is formed on to the reflector body (8).
3. Rotary knob according to Claim 1 characterised in that the light transmitting annular body (11) consists of prismatic glass.
4. Rotary knob according to Claim 1, characterised in that a plurality of glow lamps (12, 12', 12", 12"') or a glow lamp consisting of one or more glass bulbs (13, 13', 13") forming an arc of a circle serve as lamps.
5. Rotary knob according to Claim 1 or 4 characterised in that a plurality of individual glow lamps are used as lamps, and comprise fixed parts of an annular insulating body (14) which is arranged against the rear side of the reflector chamber (10).
6. Rotary knob according to Claim 5, characterised in that the glow lamps (12) are arranged to project at right angles to the annular insulating body (14) and that corresponding guide openings (15) for the glow lamps are formed in the rear side of the reflector chamber (10).
7. Rotary. knob according 'to Claim 5 or 6, characterised in that the annular insulating body (14) consists of laminated paper and is provided with a printed circuit for the glow lamps.
8. Rotary knob according to Claim 1 characterised in that the switch position indicator (16) is in the form of a cylinder or a pot and is so designed that it can be accommodated with play in the reflector body (8).
EP85111400A 1984-09-26 1985-09-10 Retractable turning knob Expired EP0179246B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843435291 DE3435291A1 (en) 1984-09-26 1984-09-26 Retractable rotary knob
DE3435291 1984-09-26

Publications (2)

Publication Number Publication Date
EP0179246A1 EP0179246A1 (en) 1986-04-30
EP0179246B1 true EP0179246B1 (en) 1988-11-09

Family

ID=6246395

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85111400A Expired EP0179246B1 (en) 1984-09-26 1985-09-10 Retractable turning knob

Country Status (2)

Country Link
EP (1) EP0179246B1 (en)
DE (2) DE3435291A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3702291A1 (en) * 1987-01-27 1988-08-04 Buderus Kuechentechnik DEVICE FOR ADJUSTING THE SWITCHES AND CONTROL DEVICES OF A HOUSEHOLD APPLIANCE
IT1266873B1 (en) * 1994-07-06 1997-01-21 Merloni Elettrodomestici Spa HOUSEHOLD APPLIANCE APPARATUS OF THE INTEGRABLE TYPE
US5521345A (en) * 1994-09-30 1996-05-28 Tokheim Corporation Backlit membrane keypad
ES2131229T3 (en) * 1995-03-11 1999-07-16 Whirlpool Europ CONTROL BUTTON FOR HOUSEHOLD ELECTRIC UTENSIL PROVIDED WITH A BEARING ELEMENT OF EASY TO SEE SIGNS.
IT237294Y1 (en) * 1995-11-20 2000-09-05 Candy Spa CONTINUOUS FRONT PANEL DOMESTIC OVEN
DE19712294C2 (en) * 1997-03-24 1999-08-12 Preh Elektro Feinmechanik Rotational resistance
FR2790843A1 (en) * 1999-03-08 2000-09-15 Demo Control button for motor vehicle dashboard has element forming magnifying lens facing control markings
US6666555B2 (en) * 2001-11-09 2003-12-23 Reichert, Inc. Ophthalmic refractor having retrofittable readout illumination
DE10207547A1 (en) * 2002-02-22 2003-09-04 Bsh Bosch Siemens Hausgeraete Rotating operating switch for a household appliance e.g. washing machine, has an illuminated program ring and illuminated markers so that it is easy to operate the appliance in the poor lighting conditions
CN100339529C (en) * 2002-03-05 2007-09-26 乐金电子(天津)电器有限公司 Controller composite structure of washing machine
GB0422927D0 (en) * 2004-10-15 2004-11-17 Gamesman Ltd Push button assembly
PL2659190T3 (en) * 2010-12-31 2015-04-30 Arcelik As A household appliance comprising a knob the outer periphery of which is illuminated
CN105333460B (en) * 2014-07-30 2020-10-16 博西华电器（江苏）有限公司 Operating device of stove and stove

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1679226A1 (en) * 1967-11-29 1971-03-25 Neff Werke Display device for the operating status of cookers
DE7517896U (en) * 1975-06-05 1975-11-13 Burger Eisenwerke Ag Display device for stoves
DE2605442C3 (en) * 1976-02-12 1981-07-02 Küppersbusch AG, 4650 Gelsenkirchen Optical display device for setting members of household appliances equipped with rotatable operating handles
DE2701017C2 (en) * 1977-01-12 1984-06-20 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Rotary knobs for the switches of household appliances

Also Published As

Publication number Publication date
EP0179246A1 (en) 1986-04-30
DE3435291A1 (en) 1986-04-03
DE3566189D1 (en) 1988-12-15

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