EP1802216B1 - Adjusting device, in particular for the adjustable base of a household device - Google Patents

Adjusting device, in particular for the adjustable base of a household device Download PDF

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Publication number
EP1802216B1
EP1802216B1 EP05797238A EP05797238A EP1802216B1 EP 1802216 B1 EP1802216 B1 EP 1802216B1 EP 05797238 A EP05797238 A EP 05797238A EP 05797238 A EP05797238 A EP 05797238A EP 1802216 B1 EP1802216 B1 EP 1802216B1
Authority
EP
European Patent Office
Prior art keywords
domestic appliance
threaded
worm
bolt
appliance 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.)
Not-in-force
Application number
EP05797238A
Other languages
German (de)
French (fr)
Other versions
EP1802216A1 (en
Inventor
Heinz-Werner Giefer
Anton Oppel
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete 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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to PL05797238T priority Critical patent/PL1802216T3/en
Publication of EP1802216A1 publication Critical patent/EP1802216A1/en
Application granted granted Critical
Publication of EP1802216B1 publication Critical patent/EP1802216B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4251—Details of the casing
    • A47L15/4253—Supporting arrangements for the casing, e.g. rollers or supporting legs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B91/00—Feet for furniture in general
    • A47B91/02—Adjustable feet
    • A47B91/022—Adjustable feet using screw means
    • A47B91/024—Foot attached to a rotating bolt supported in an internal thread
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12—Casings; Tubs
    • D06F39/125—Supporting arrangements for the casing, e.g. rollers or legs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19642—Directly cooperating gears

Definitions

  • the invention relates to a household appliance according to the preamble of patent claim 1.
  • the DE 196 06 460 A1 describes a height adjustment device for a leveling foot out of a guided in a housing-fixed adjustment, vertical threaded shaft with foot plate, over the threaded shaft a rotatably mounted in the adjusting nut is screwed, which is formed on its outer circumference as a worm and a connected to an adjusting rod, in the adjusting housing rotatably mounted worm is driven.
  • the threaded shank of the adjustable foot is positively guided in the adjusting housing. Due to the positive guidance of the threaded shank of the adjustable foot of the adjustable foot is not rotated when operating the height adjustment.
  • the positive connection is achieved by a flattening along the thread or at least one axially extending groove, wherein the flattening rests against the adjusting housing at least one point or engages the adjusting housing in the axially extending groove.
  • the support feet consist of a threaded shaft mounted in a screw-down manner in the device base with a foot plate. Furthermore, designed as a transmission device for adjusting the rear device support feet by means of an adjusting rod from the front of the household appliance is provided.
  • the tight with the threaded shaft Connected foot plate is designed as a worm wheel, in which a worm shaft engages.
  • the worm shaft is part of the control rod and made of wire by helical winding. The load capacity of such a construction is inherently low.
  • the transmission is arranged for Stützfußver ein within the device housing, including the support leg or its extended threaded shank is positively connected within the device housing with a worm gear as part of the transmission.
  • a guided to the front of the device setting device in the form of an actuating rod the support foot can be moved vertically.
  • the control rod carries for this purpose a worm, which is in engagement with the worm wheel.
  • the control rod is mounted in a rubber element, which is inserted into a breakthrough of the housing plate of the machine.
  • the support leg with the threaded shaft mounted screwed in the housing bottom is provided on the underside with a rubber coating, wherein the bottom end rotatably supports in the foot plate.
  • Disadvantage of this arrangement is that all belonging to the transmission parts are arranged within the device housing in areas that are both manufacturing technology and for maintenance purposes poorly accessible, so that such a transmission has a negative effect on the cost of manufacturing.
  • the WO 2004/107914 A1 is a device for a household appliance for height adjustment of Verstellfußes provided that has protection means against the exceeding of height limits.
  • the device according to the WO 2004/107914 A1 a threaded rod, at the end of a parking foot is arranged, wherein the threaded rod is in operative connection with a ring gear, which is externally in engagement with a worm in operative connection.
  • the adjustable foot is firmly attached to the threaded rod.
  • a worm gear is known in which a worm is in direct operative connection with a threaded bolt which is slidably disposed along its longitudinal axis.
  • the invention is therefore based on the object to provide a household appliance with a height-adjustable foot, which is inexpensive to produce with a simple structure and high stability.
  • the invention is based on a household appliance, for example a stove, a washing machine, a tumble dryer or a dishwasher, with at least one adjusting device for a setting foot of the household appliance, consisting of a threaded shaft or bolt mounted in an adjusting housing and axially adjustable.
  • a household appliance for example a stove, a washing machine, a tumble dryer or a dishwasher
  • at least one adjusting device for a setting foot of the household appliance consisting of a threaded shaft or bolt mounted in an adjusting housing and axially adjustable.
  • the threaded shank or bolt and the plate are mutually rotatably connected to each other and the threaded shaft or - bolt is designed such that it can be brought into engagement with a rotatably mounted in the adjusting screw in engagement to a rotational movement of the screw directly to cause a rotation of the threaded shaft or bolt.
  • the threaded shaft or bolt is designed such that it is engageable with a rotatably mounted in the adjusting screw in order to bring about a rotational movement of the screw directly to a rotation of the threaded shaft or bolt, created with advantage a gear ,
  • the adjusting device requires less space overall. This is achieved in particular by the fact that the screw and the threaded shaft or bolt are in direct engagement. This is made possible by the fact that the threaded shaft or bolt is rotatably mounted relative to the adjusting housing. About the associated with the threaded shank or bolt screw then rotation of the threaded shaft is effected in order to adjust this axially in the desired direction.
  • the toothing may be formed by a plurality of grooves formed in the threaded shank or bolt which extend substantially parallel to each other.
  • a further worm wheel which accomplishes an axial adjustment of the threaded shaft or bolt in the prior art upon actuation of the worm, is in other words possible in that the thread of the threaded shaft, a further toothing is superimposed, which is designed such that it is adapted to the worm thread of the worm.
  • the grooves are helical, with an acute angle being formed with respect to the axis of the threaded shaft or bolt.
  • the adjusting housing engages over the threaded shank or bolt, so that the thread of the threaded shaft or bolt engages in a corresponding thread of a bore of the adjusting housing.
  • the adjustment housing can also have a separate component which is positively connected thereto, which is then provided with a thread, in which the threaded shaft or bolt can be screwed.
  • the adjustment can also be formed by a part of the object to be adjusted itself.
  • the screw of a bushing of the adjusting housing is rotatably mounted. It is particularly preferred if the socket is arranged releasably releasably in the adjustment. This procedure makes it possible to optionally provide a screw in the adjustment in the manufacture of the adjustment or not. Because the threaded shank or bolt is rotatably mounted in a thread of the adjusting device, it is also possible to adjust the object by direct rotation of the threaded shaft or bolt. A more comfortable adjustment is given when the axial displacement of the threaded shaft or bolt can be done by means of the then provided in the adjustment screw.
  • the preferred screw adjustment device may, for example, be reserved for articles of a higher price category during manufacture, while articles of a lower price category can only be adjusted by direct rotation of the threaded shaft or bolt, since the screw is omitted therefrom.
  • the screw is formed 1- or 2-course.
  • the choice with how many courses the thread of the screw is formed depends on which angle of rotation of the screw which axial path of the threaded shaft or bolt is to be actuated, or which forces act on the teeth on the threaded shaft or bolt may be damaged without it being damaged during operation. The appropriate choice ultimately depends on which object is to be adjusted by means of the adjusting device according to the invention.
  • the threaded shaft or bolt and / or the worm can be made of a plastic, in particular by means of an injection molding process, or a metal.
  • the threaded shaft may preferably be formed in one or more parts, in particular in two parts, of a tubular element and a threaded rod. The use of metal allows particularly long-lived adjustment, as well as frequent operation will not lead to significant wear.
  • the household appliance is equipped with at least three leveling feet, two steep feet are arranged on the front of the household appliance and a foot on the back of the appliance, and wherein the rear-mounted adjustable foot with the adjustment of a side wall of the household appliance in height is adjustable.
  • the arranged on the rear side of the household adjusting foot is arranged approximately in the middle of the lower rear housing edge of the household appliance. Due to the arrangement of the rear foot arranged approximately in the middle of the lower rear housing edge is a support with the floor plan of an approximately isosceles triangle, which represents the most stable support form of a three-point support created.
  • At least the adjusting device of the adjusting foot arranged on the rear side engages the worm engaging in the threaded shank or bolt, which can be actuated via an adjusting rod that is operatively connected to it and rotatably mounted in the household appliance and can be operated by the front of the household appliance.
  • At least one of the front of the household appliance arranged feet in height.
  • a housing 1 of an unspecified household appliance is equipped in the embodiment shown with five adjustable feet 2, 10, which are adjustable in height.
  • adjustable feet 2 are each arranged in the region of the outer, lower housing edges. This leveling feet 2 are screwed in a conventional manner by means of its threaded bolt in an unspecified described internal thread of an adjustment of the adjustment and adjustable by manual input and / or unscrewing in height.
  • the fifth adjustable foot 10 is arranged approximately in the middle of the lower rear housing edge and by means of an adjusting device 20 according to the invention, in the illustrated embodiment of the front side 3 of the household appliance, adjustable in height.
  • This adjustable foot 10 consists of a threaded shaft or bolt, which is also screwed into a not recognizable in this figure internal thread, and a relative to the threaded shaft or bolt rotatable plate 36th
  • the threaded shaft 30 may be performed vertically in both variants in a housing-fixed adjusting housing 21 of the adjusting device 20. Although only in the case of the fifth adjustable foot 1, the adjusting housing 21 is shown, this could in principle be used in each of the adjustable feet 2, 10.
  • the installation of a worm in the adjusting housing has been omitted by way of example, so that a height adjustment of these adjusting feet 2 only by directly turning the threaded shaft or - or if the plate is firmly connected to the threaded shank of the Tellers, can be twisted.
  • the height adjustment of Verstellfußes 10 is using a (in Fig. 1 not apparent) causes screw 32 which is operable via an actuating rod 24 from the front side 3 of the device.
  • the structure of the adjusting device according to the invention is made of the FIGS. 2 to 4 better visible.
  • Fig. 2 is shown in a sectional view a side view of the adjusting device 20 according to the invention.
  • a non-detailed adjustment housing 21 which is provided with an internal thread 38
  • the threaded shaft 30 is screwed.
  • the screw 32 In direct engagement with the threaded shaft 30 is the screw 32, which in the illustration of Fig. 2 can be seen in the plan view.
  • the axes of the screw 32 and the threaded shaft 30 are preferably at a 90 ° angle to each other, with an inclination in any angle is also possible.
  • the adjustment of the worm 32 takes place, for example, via a slot 39 into which a screwdriver can be inserted from one side of the housing.
  • Fig. 3 From the top view of Fig. 3 It can be better seen how the screw 37 provided with a screw 32 is in direct engagement with the threaded shaft 30.
  • the threaded shaft 30 is a toothing in the form of mutually parallel grooves 34 which extend helically in the axial direction, superimposed.
  • the thread 37 of the screw 32 and the distance and the size of the grooves 34 are dimensioned such that a rotation of the threaded shaft can be done by rotating the screw.
  • the threaded shaft or bolt is provided only for purposes of clarity in a peripheral portion with the grooves. In practice, the grooves extend over the entire circumference of the threaded shaft or bolt.
  • the threaded shaft 30 may also be made in two parts.
  • the threaded shaft 30 consists of a tubular element with thread 31 on the outside and a corresponding plate on the bottom.
  • a preferably fixed threaded rod In the cylindrical cavity of the tubular element is a preferably fixed threaded rod. The rotational movement is thus preferably carried out only by the tubular element.
  • the appliance is attached to the threaded rod.
  • the worm 32 is not absolutely necessary because by directly turning on the threaded shaft 30 a Adjustment in the axial direction is possible.
  • the worm 32 is therefore preferably mounted in a bushing (not shown) which allows the optional provision of the adjustment device.
  • the adjustment device according to the invention can be used to form a "simple" adjustable foot 2 or a “comfortable” adjustable foot 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Legs For Furniture In General (AREA)
  • Transmission Devices (AREA)
  • Tables And Desks Characterized By Structural Shape (AREA)
  • Toilet Supplies (AREA)
  • Fluid-Damping Devices (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

An adjusting device, in particular for the adjustable base of a household device, is provided and includes a threaded rod or bolt which is mounted in an adjustable housing and which can be displaced in an axial manner. The threaded rod or bolt is configured in such a manner that it can be connected to a threaded drive member which is rotationally mounted in the adjustable housing, such that the threaded bolt or rod can be directly rotated by means of the rotative movement of the threaded drive member.

Description

Die Erfindung betrifft ein Haushaltsgerät nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a household appliance according to the preamble of patent claim 1.

Es ist beispielsweise bei Haushaltsgeräten seit langem bekannt, diese mit Stellfüßen zu versehen, von denen wenigstens einer zur Anpassung des aufzustellenden Haushaltsgerätes an die örtlichen Gegebenheiten in der Höhe verstellbar ist. Um die Höheneinstellung der Stellfüße für einen Benutzer zu erleichtern, ist aus dem Stand der Technik eine Vielzahl an unterschiedlichen Lösungen bekannt.It has long been known, for example, in household appliances, to provide them with feet, at least one of which is adjustable to adapt the home appliance to be set up to the local conditions in height. In order to facilitate the height adjustment of the feet for a user, a variety of different solutions are known from the prior art.

Die DE 196 06 460 A1 beschreibt eine Höhenverstellvorrichtung für einen Stellfuß aus einem in einem gehäusefesten Verstellgehäuse geführten, senkrechten Gewindeschaft mit Fußteller, wobei über den Gewindeschaft eine in dem Verstellgehäuse drehbar gelagerte Mutter geschraubt ist, die an ihrem Außenumfang als Schneckenrad ausgebildet ist und über eine mit einer Verstellstange verbundene, in dem Verstellgehäuse drehbar gelagerte Schnecke angetrieben wird. Dabei ist der Gewindeschaft des Stellfußes im Verstellgehäuse formschlüssig geführt. Durch die formschlüssige Führung des Gewindeschaftes des Stellfußes wird der Stellfuß bei einer Betätigung der Höhenverstellvorrichtung nicht mitgedreht. Der Formschluss wird durch eine Abflachung entlang des Gewindes bzw. wenigstens eine axial verlaufende Nut erzielt, wobei die Abflachung an dem Verstellgehäuse an wenigstens einer Stelle anliegt bzw. das Verstellgehäuse in die axial verlaufende Nut eingreift. Durch die Verwendung eines Getriebes weist die beschriebene Anordnung den Nachteil auf, dass aufgrund des Getriebes ein verhältnismäßig großes Verstellgehäuse benötigt wird.The DE 196 06 460 A1 describes a height adjustment device for a leveling foot out of a guided in a housing-fixed adjustment, vertical threaded shaft with foot plate, over the threaded shaft a rotatably mounted in the adjusting nut is screwed, which is formed on its outer circumference as a worm and a connected to an adjusting rod, in the adjusting housing rotatably mounted worm is driven. The threaded shank of the adjustable foot is positively guided in the adjusting housing. Due to the positive guidance of the threaded shank of the adjustable foot of the adjustable foot is not rotated when operating the height adjustment. The positive connection is achieved by a flattening along the thread or at least one axially extending groove, wherein the flattening rests against the adjusting housing at least one point or engages the adjusting housing in the axially extending groove. By using a transmission, the arrangement described has the disadvantage that due to the transmission, a relatively large adjustment is needed.

Eine ähnliche Anordnung ist in der DE 94 21 684 U1 beschrieben.A similar arrangement is in the DE 94 21 684 U1 described.

Eine der DE 196 06 460 A1 ähnliche Anordnung ist weiterhin in der DE 295 12 662 U1 beschrieben, bei der die Schnecke darüber hinaus mit einer Rutschkupplung versehen ist, um Beschädigungen am Getriebe zu vermeiden.One of the DE 196 06 460 A1 similar arrangement is still in the DE 295 12 662 U1 in which the worm is also provided with a slip clutch to prevent damage to the gearbox.

Ein weiteres Haushaltsgerät mit höhenverstellbaren Stützfüßen ist aus der DE 33 36 375 C2 bekannt. Die Stützfüße bestehen aus einem im Geräteboden schraubbar gelagerten Gewindeschaft mit einem Fußteller. Weiterhin ist eine als Getriebe ausgebildete Vorrichtung zum Verstellen der hinteren Geräte-Stützfüße mittels einer Stellstange von der Vorderseite des Haushaltsgerätes aus vorgesehen. Der fest mit dem Gewindeschaft verbundene Fußteller ist als Schneckenrad ausgebildet, in das eine Schneckenwelle eingreift. Die Schneckenwelle ist Bestandteil der Stellstange und aus Draht durch wendelförmiges Aufwickeln gefertigt. Die Belastbarkeit einer derartigen Konstruktion ist prinzipbedingt gering.Another household appliance with height-adjustable support feet is from the DE 33 36 375 C2 known. The support feet consist of a threaded shaft mounted in a screw-down manner in the device base with a foot plate. Furthermore, designed as a transmission device for adjusting the rear device support feet by means of an adjusting rod from the front of the household appliance is provided. The tight with the threaded shaft Connected foot plate is designed as a worm wheel, in which a worm shaft engages. The worm shaft is part of the control rod and made of wire by helical winding. The load capacity of such a construction is inherently low.

Bei dem in der DE 74 35 483 beschriebenen Haushaltsgerät ist das Getriebe zur Stützfußverstellung innerhalb des Gerätegehäuses angeordnet, wozu der Stützfuß bzw. dessen verlängerter Gewindeschaft innerhalb des Gerätegehäuses formschlüssig mit einem Schneckenrad als Teil des Getriebes verbunden ist. Mit einer zur Frontseite des Gerätes hingeführten Stelleinrichtung in Form einer Stellstange kann der Stützfuß vertikal bewegt werden. Die Stellstange trägt hierfür eine Schnecke, die mit dem Schneckenrad in Eingriff steht. Im Bereich der Maschinenfrontseite ist die Stellstange in einem Gummielement gelagert, das in einen Durchbruch des Gehäuseblechs der Maschine eingesetzt ist. Der Stützfuß mit dem im Gehäuseboden schraubbar gelagerten Gewindeschaft ist unterseitig mit einem Gummibelag versehen, wobei das bodenseitige Ende drehbar in dem Fußteller lagert. Nachteil dieser Anordnung ist, dass sämtliche zum Getriebe gehörigen Teile innerhalb des Gerätegehäuses in Bereichen angeordnet sind, die sowohl fertigungstechnisch als auch zu Wartungszwecken schlecht zugänglich sind, so dass sich ein derart angeordnetes Getriebe negativ auf die Kosten der Herstellung auswirkt.In the in the DE 74 35 483 described domestic appliance, the transmission is arranged for Stützfußverstellung within the device housing, including the support leg or its extended threaded shank is positively connected within the device housing with a worm gear as part of the transmission. With a guided to the front of the device setting device in the form of an actuating rod, the support foot can be moved vertically. The control rod carries for this purpose a worm, which is in engagement with the worm wheel. In the area of the machine front, the control rod is mounted in a rubber element, which is inserted into a breakthrough of the housing plate of the machine. The support leg with the threaded shaft mounted screwed in the housing bottom is provided on the underside with a rubber coating, wherein the bottom end rotatably supports in the foot plate. Disadvantage of this arrangement is that all belonging to the transmission parts are arranged within the device housing in areas that are both manufacturing technology and for maintenance purposes poorly accessible, so that such a transmission has a negative effect on the cost of manufacturing.

Aus der US 1,632,383 ist es schließlich bekannt, zur Höhenverstellung eines Tischbeins ein in dem Tischbein untergebrachtes Kegelradgetriebe zu verwenden.From the US 1,632,383 Finally, it is known to use for adjusting the height of a table leg in the table leg housed bevel gear.

Aus der WO 2004/107914 A1 ist eine Vorrichtung für ein Haushaltsgerät zur Höhenverstellung eines Verstellfußes vorgesehen, dass Schutzmittel aufweist gegen das Überschreiten von Höhengrenzen. Dabei weist die Vorrichtung gemäß der WO 2004/107914 A1 eine Gewindestange auf, an deren Ende ein Stellfuß angeordnet ist, wobei die Gewindestange mit einem Ringgetriebe in Wirkverbindung steht, das außenseitig in Eingriff mit einer Schnecke in Wirkverbindung steht. Dabei ist der Stellfuß fest an der Gewindestange befestigt.From the WO 2004/107914 A1 is a device for a household appliance for height adjustment of Verstellfußes provided that has protection means against the exceeding of height limits. In this case, the device according to the WO 2004/107914 A1 a threaded rod, at the end of a parking foot is arranged, wherein the threaded rod is in operative connection with a ring gear, which is externally in engagement with a worm in operative connection. The adjustable foot is firmly attached to the threaded rod.

Aus der US 4,478,103 ist ein Schneckengetriebe bekannt, bei dem eine Schnecke in direkter Wirkverbindung mit einem Gewindebolzen steht, der entlang seiner Längsachse verschiebbar angeordnet ist.From the US 4,478,103 a worm gear is known in which a worm is in direct operative connection with a threaded bolt which is slidably disposed along its longitudinal axis.

Schließlich ist aus der US 2002/0139908 A1 eine Vorrichtung zur Höhenverstellung eines Steilfußes bekannt, bei dem der Stellfuß fest an einem Gewindebolzen befestigt ist, wobei ein Blockiermittel in den gewindeförmig ausgebildeten Abschnitt des Bolzens eingreift, um so eine Fixierung der Lage des höhenverstellbaren Fußes zu bewirken.Finally, out of the US 2002/0139908 A1 a device for height adjustment of a Steilfußes known, wherein the adjustable foot is fixedly secured to a threaded bolt, wherein a blocking means engages in the threaded portion of the bolt, so as to effect a fixation of the position of the height-adjustable foot.

Der Erfindung liegt daher die Aufgabe zugrunde, ein Haushaltsgerät mit einem höhenverstellbaren Fuß bereitzustellen, das bei einfachem Aufbau und hoher Stabilität kostengünstig herstellbar ist.The invention is therefore based on the object to provide a household appliance with a height-adjustable foot, which is inexpensive to produce with a simple structure and high stability.

Diese Aufgabe wird durch ein Haushaltsgerät mit den Merkmalen des Anspruches 1 gelöst. Vorteilhafte Ausgestaltungen ergeben sich jeweils aus den abhängigen Ansprüchen.This object is achieved by a household appliance with the features of claim 1. Advantageous embodiments will be apparent from the dependent claims.

Die Erfindung geht aus von einem Haushaltsgerät, bspw. einem Herd, einer Waschmaschine, einem Wäschetrockner oder einer Geschirrspülmaschine, mit zumindest einer Verstellvorrichtung für einen Stellfuß des Haushaltsgeräts, bestehend aus einem in einem Verstellgehäuse gelagerten und axial verstellbaren Gewindeschaft oder -bolzen.The invention is based on a household appliance, for example a stove, a washing machine, a tumble dryer or a dishwasher, with at least one adjusting device for a setting foot of the household appliance, consisting of a threaded shaft or bolt mounted in an adjusting housing and axially adjustable.

Erfindungsgemäß ist vorgesehen, dass der Gewindeschaft oder -bolzen und der Teller gegeneinander verdrehbar miteinander verbunden sind und der Gewindeschaft oder - bolzen derart ausgestaltet ist, dass dieser mit einer in dem Verstellgehäuse drehbar gelagerten Schnecke in Eingriff bringbar ist, um über eine Drehbewegung der Schnecke unmittelbar eine Drehung des Gewindeschafts oder -bolzens herbei zu führen. So wird vermeiden, dass durch eine Drehung des Gewindeschafts oder -bolzens und dem mit diesem verbundenen Teller eine Beschädigung des Untergrunds herbeigeführt wird. Ferner ist dadurch, dass der Gewindeschaft oder -bolzen derart ausgestaltet ist, dass dieser mit einer in dem Verstellgehäuse drehbar gelagerten Schnecke in Eingriff bringbar ist, um über eine Drehbewegung der Schnecke unmittelbar eine Drehung des Gewindeschafts oder -bolzens herbeizuführen, mit Vorteil ein Getriebe geschaffen, das gegenüber den aus dem Stand der Technik bekannten Anordnungen weniger Bauteile aufweist, wodurch die Verstellvorrichtung insgesamt weniger Platz benötigt. Erzielt wird dies insbesondere dadurch, dass die Schnecke und der Gewindeschaft oder -bolzen in unmittelbarem Eingriff stehen. Möglich wird dies dadurch, dass der Gewindeschaft oder - bolzen gegenüber dem Verstellgehäuse drehbar gelagert ist. Über die mit dem Gewindeschaft oder -bolzen in Verbindung stehende Schnecke wird dann eine Drehung des Gewindeschafts bewirkt, um diesen axial in die gewünschte Richtung zu verstellen.According to the invention, it is provided that the threaded shank or bolt and the plate are mutually rotatably connected to each other and the threaded shaft or - bolt is designed such that it can be brought into engagement with a rotatably mounted in the adjusting screw in engagement to a rotational movement of the screw directly to cause a rotation of the threaded shaft or bolt. Thus, it will be avoided that damage to the ground is caused by rotation of the threaded shaft or bolt and the plate connected thereto. Further, characterized in that the threaded shaft or bolt is designed such that it is engageable with a rotatably mounted in the adjusting screw in order to bring about a rotational movement of the screw directly to a rotation of the threaded shaft or bolt, created with advantage a gear , Compared to the arrangements known from the prior art fewer components has, whereby the adjusting device requires less space overall. This is achieved in particular by the fact that the screw and the threaded shaft or bolt are in direct engagement. This is made possible by the fact that the threaded shaft or bolt is rotatably mounted relative to the adjusting housing. About the associated with the threaded shank or bolt screw then rotation of the threaded shaft is effected in order to adjust this axially in the desired direction.

Um eine Verstellung des Gewindeschafts oder -bolzens in dessen axialer Richtung auch von der Vorderseite eines zu verstellenden Gegenstands bewirken zu können, ist es vorteilhaft, wenn sich gemäß einer Ausgestaltung der Erfindung die Achsen der Schnecke und des Gewindeschafts oder -bolzens in einem Winkel, bevorzugt einem 90°-Winkel, kreuzen.In order to effect an adjustment of the threaded shaft or bolt in the axial direction of the front of an object to be adjusted, it is advantageous if according to an embodiment of the invention, the axes of the screw and the threaded shaft or bolt at an angle preferred a 90 ° angle, cross.

Zur Herbeiführung einer Drehung des Gewindeschafts oder -bolzens durch eine Schnecke, die mit dem Gewindeschaft oder -bolzen in unmittelbarem Eingriff steht, ist gemäß der Erfindung vorgesehen, dem Gewinde des Gewindeschafts oder -bolzens eine Verzahnung zu überlagern, um den direkten Eingriff der Schnecke in den Gewindeschaft oder -bolzen zu ermöglichen.To effect a rotation of the threaded shaft or bolt by a worm, which is in direct engagement with the threaded shank or bolt, it is provided according to the invention to superimpose a toothing on the thread of the threaded shaft or bolt in order to ensure direct engagement of the worm in to allow the threaded shaft or bolt.

Die Verzahnung kann durch eine Mehrzahl von in den Gewindeschaft oder -bolzen eingebrachte Nuten gebildet werden, die sich im Wesentlichen parallel zueinander verlaufend erstrecken. Der Verzicht auf ein weiteres Schneckenrad, das bei Betätigung der Schnecke eine axiale Verstellung des Gewindeschafts oder -bolzens im Stand der Technik bewerkstelligt, wird mit anderen Worten dadurch möglich, dass dem Gewinde des Gewindeschafts eine weitere Verzahnung überlagert wird, die derart ausgestaltet ist, dass sie an das Schneckengewinde der Schnecke angepasst ist. Bevorzugt verlaufen die Nuten dabei schraubenförmig, wobei gegenüber der Achse des Gewindeschafts oder - bolzens ein spitzer Winkel gebildet ist.The toothing may be formed by a plurality of grooves formed in the threaded shank or bolt which extend substantially parallel to each other. The omission of a further worm wheel, which accomplishes an axial adjustment of the threaded shaft or bolt in the prior art upon actuation of the worm, is in other words possible in that the thread of the threaded shaft, a further toothing is superimposed, which is designed such that it is adapted to the worm thread of the worm. Preferably, the grooves are helical, with an acute angle being formed with respect to the axis of the threaded shaft or bolt.

Bevorzugt übergreift das Verstellgehäuse den Gewindeschaft oder -bolzen, so dass das Gewinde des Gewindeschafts oder -bolzens in ein entsprechendes Gewinde einer Bohrung des Verstellgehäuses eingreift. Anders ausgedrückt, bedeutet dies, dass das Verstellgehäuse selbst ein Gewinde aufweist, so dass der Gewindeschaft oder -bolzen mit seinem Gewinde in dieses eindrehbar ist. Das Verstellgehäuse kann auch über ein separates Bauteil, das mit diesem formschlüssig verbunden ist, aufweisen, welches dann mit einem Gewinde versehen ist, in welches der Gewindeschaft oder -bolzen eindrehbar ist. Das Verstellgehäuse kann auch durch einen Teil des zu verstellenden Gegenstands selbst gebildet sein.Preferably, the adjusting housing engages over the threaded shank or bolt, so that the thread of the threaded shaft or bolt engages in a corresponding thread of a bore of the adjusting housing. In other words, this means that the adjusting housing itself has a thread, so that the threaded shaft or bolt with its thread can be screwed into this. The adjustment housing can also have a separate component which is positively connected thereto, which is then provided with a thread, in which the threaded shaft or bolt can be screwed. The adjustment can also be formed by a part of the object to be adjusted itself.

Nach einer weiteren vorteilhaften Ausgestaltung ist die Schnecke einer Buchse des Verstellgehäuses drehbar gelagert. Besonders bevorzugt ist es dabei, wenn die Buchse formschlüssig lösbar im Verstellgehäuse angeordnet ist. Diese Vorgehensweise ermöglicht es, bei der Fertigung der Verstellvorrichtung wahlweise eine Schnecke in der Verstellvorrichtung vorzusehen oder auch nicht. Dadurch, dass der Gewindeschaft oder - bolzen drehbar in einem Gewinde der Verstellvorrichtung gelagert ist, ist es auch möglich, den Gegenstand durch unmittelbares Verdrehen des Gewindeschafts oder -bolzens zu verstellen. Eine komfortablere Verstellmöglichkeit ist dann gegeben, wenn die axiale Verschiebung des Gewindeschafts oder -bolzens mittels der dann in der Verstellvorrichtung vorgesehenen Schnecke erfolgen kann. Die bevorzugte Verstellvorrichtung mit Schnecke kann beispielsweise während der Fertigung Gegenständen einer höheren Preiskategorie vorbehalten bleiben, während Gegenstände einer unteren Preiskategorie lediglich durch direktes Verdrehen des Gewindeschafts oder -bolzens einstellbar sind, da die Schnecke bei diesen weggelassen ist.According to a further advantageous embodiment, the screw of a bushing of the adjusting housing is rotatably mounted. It is particularly preferred if the socket is arranged releasably releasably in the adjustment. This procedure makes it possible to optionally provide a screw in the adjustment in the manufacture of the adjustment or not. Because the threaded shank or bolt is rotatably mounted in a thread of the adjusting device, it is also possible to adjust the object by direct rotation of the threaded shaft or bolt. A more comfortable adjustment is given when the axial displacement of the threaded shaft or bolt can be done by means of the then provided in the adjustment screw. The preferred screw adjustment device may, for example, be reserved for articles of a higher price category during manufacture, while articles of a lower price category can only be adjusted by direct rotation of the threaded shaft or bolt, since the screw is omitted therefrom.

In einer weiteren zweckmäßigen Ausgestaltung ist die Schnecke 1- oder 2-gängig ausgebildet. Die Wahl, mit wie viel Gängen das Gewinde der Schnecke ausgebildet wird, hängt davon ab, mit welchem Verdrehwinkel der Schnecke welcher axiale Weg des Gewindeschafts oder -bolzens betätigt werden soll, bzw. welche Kräfte auf die Verzahnung auf den Gewindeschaft bzw. -bolzen einwirken dürfen, ohne dass dieser im Einsatz beschädigt wird. Die geeignete Wahl hängt letztendlich davon ab, welcher Gegenstand mittels der erfindungsgemäßen Verstellvorrichtung verstellt werden soll.In a further advantageous embodiment, the screw is formed 1- or 2-course. The choice with how many courses the thread of the screw is formed, depends on which angle of rotation of the screw which axial path of the threaded shaft or bolt is to be actuated, or which forces act on the teeth on the threaded shaft or bolt may be damaged without it being damaged during operation. The appropriate choice ultimately depends on which object is to be adjusted by means of the adjusting device according to the invention.

Wahlweise kann der Gewindeschaft oder -bolzen und/oder die Schnecke aus einem Kunststoff, insbesondere mittels eines Spritzgussverfahrens, oder einem Metall gefertigt werden. Der Gewindeschaft kann vorzugsweise einteilig oder mehrteilig, insbesondere zweiteilig aus einem Rohrelement und einer Gewindestange, ausgebildet sein. Die Verwendung von Metall ermöglicht dabei besonders langlebige Verstellvorrichtungen, da auch häufige Betätigung nicht zu einem nennenswerten Verschleiß führen wird.Alternatively, the threaded shaft or bolt and / or the worm can be made of a plastic, in particular by means of an injection molding process, or a metal. The threaded shaft may preferably be formed in one or more parts, in particular in two parts, of a tubular element and a threaded rod. The use of metal allows particularly long-lived adjustment, as well as frequent operation will not lead to significant wear.

Nach einer vorteilhaften Ausführungsform der Erfindung ist das Haushaltsgerät mit zumindest drei Stellfüßen ausgestattet, wobei zwei Steilfüße frontseitig an dem Haushaltsgerät und ein Stellfuß rückseitig an dem Haushaltsgerät angeordnet sind, und wobei der rückseitig angeordnete Stellfuß mit der Verstellvorrichtung von einer Seitenwand des Haushaltsgeräts aus in der Höhe verstellbar ist. Mit der Anordnung nur eines Stellfußes mit einer von einer Gehäuseseitenwand aus bedienbaren Verstellvorrichtung wird der Aufwand bei einem Haushaltsgerät und damit die Kosten gesenkt.According to an advantageous embodiment of the invention, the household appliance is equipped with at least three leveling feet, two steep feet are arranged on the front of the household appliance and a foot on the back of the appliance, and wherein the rear-mounted adjustable foot with the adjustment of a side wall of the household appliance in height is adjustable. With the arrangement of only one adjustable foot with an operable from a side wall of the housing adjusting the effort in a household appliance and thus the cost is reduced.

Nach einer bevorzugten Ausführungsform der Erfindung ist der rückseitig an dem Haushaltsgerät angeordnete Stellfuß etwa in der Mitte der unteren rückseitigen Gehäusekante des Haushaltsgerätes angeordnet. Durch die Anordnung des rückseitig angeordneten Stellfußes etwa in der Mitte der unteren rückseitigen Gehäusekante ist eine Auflage mit dem Grundriss eines etwa gleichschenkeligen Dreiecks, das die stabilste Auflageform einer Dreipunktauflage darstellt, geschaffen.According to a preferred embodiment of the invention, the arranged on the rear side of the household adjusting foot is arranged approximately in the middle of the lower rear housing edge of the household appliance. Due to the arrangement of the rear foot arranged approximately in the middle of the lower rear housing edge is a support with the floor plan of an approximately isosceles triangle, which represents the most stable support form of a three-point support created.

Vorteilhafterweise weist zumindest die Verstellvorrichtung des rückseitig angeordneten Stellfußes die in den Gewindeschaft oder -bolzen eingreifende Schnecke auf, die über eine mit ihr in Wirkverbindung stehende und in dem Haushaltsgerät drehbar gelagerte, von der Vorderseite des Haushaltsgeräts bedienbare Verstellstange betätigbar ist.Advantageously, at least the adjusting device of the adjusting foot arranged on the rear side engages the worm engaging in the threaded shank or bolt, which can be actuated via an adjusting rod that is operatively connected to it and rotatably mounted in the household appliance and can be operated by the front of the household appliance.

Zur Erweiterung der Verstellmöglichkeit ist nach einer weiteren vorteilhaften Ausführungsform der Erfindung zumindest einer der frontseitig an dem Haushaltsgerät angeordneten Stellfüße in der Höhe verstellbar.To expand the adjustment is adjustable according to a further advantageous embodiment of the invention, at least one of the front of the household appliance arranged feet in height.

Die Erfindung wird nachstehend anhand des in der Zeichnung dargestellten Ausführungsbeispiels erläutert. Es zeigen:

Fig. 1
ein schematisch dargestelltes Haushaltsgerät mit einer erfindungsgemäßen Verstellvorrichtung für einen Stellfuß in perspektivischer Darstellung,
Fig. 2
eine Seitendarstellung eines Schnitts durch eine Verstellvorrichtung gemäß der Erfindung für einen Stellfuß,
Fig. 3
eine Draufsicht auf die erfindungsgemäße Verstellvorrichtung, die in Fig. 2 dargestellt ist, und
Fig. 4
eine weitere Darstellung des Gewindeschafts oder -bolzens, aus der die Überlagerung einer Verzahnung besser ersichtlich ist.
The invention will be explained below with reference to the embodiment shown in the drawing. Show it:
Fig. 1
a schematically illustrated domestic appliance with an adjusting device according to the invention for a leveling foot in a perspective view,
Fig. 2
a side view of a section through an adjusting device according to the invention for a leveling foot,
Fig. 3
a plan view of the adjusting device according to the invention, which in Fig. 2 is shown, and
Fig. 4
a further illustration of the threaded shaft or bolt, from which the superposition of a toothing is better visible.

Ein Gehäuse 1 eines nicht näher erläuterten Haushaltsgeräts ist im gezeigten Ausführungsbeispiel mit fünf Stellfüßen 2, 10 ausgestattet, die in der Höhe verstellbar sind. Vier Stellfüße 2 sind jeweils in dem Bereich der äußeren, unteren Gehäusekanten angeordnet. Diese Stellfüße 2 sind in an sich bekannter Weise mittels ihres Gewindebolzens in ein nicht näher beschriebenes Innengewinde eines Verstellgehäuses der Verstellvorrichtung eingeschraubt und durch manuelles Ein- und/oder Herausdrehen in der Höhe verstellbar.A housing 1 of an unspecified household appliance is equipped in the embodiment shown with five adjustable feet 2, 10, which are adjustable in height. Four adjustable feet 2 are each arranged in the region of the outer, lower housing edges. This leveling feet 2 are screwed in a conventional manner by means of its threaded bolt in an unspecified described internal thread of an adjustment of the adjustment and adjustable by manual input and / or unscrewing in height.

Der fünfte Stellfuß 10 ist etwa in der Mitte der unteren rückseitigen Gehäusekante angeordnet und mittels einer erfindungsgemäßen Verstellvorrichtung 20, im gezeigten Ausführungsbeispiel von der Frontseite 3 des Haushaltsgerätes aus, in der Höhe verstellbar. Dieser Stellfuß 10 besteht aus einem Gewindeschaft oder -bolzen, der ebenfalls in ein in dieser Figur nicht erkenntliches Innengewinde eingeschraubt ist, und einem gegenüber dem Gewindeschaft oder -bolzen drehbaren Teller 36.The fifth adjustable foot 10 is arranged approximately in the middle of the lower rear housing edge and by means of an adjusting device 20 according to the invention, in the illustrated embodiment of the front side 3 of the household appliance, adjustable in height. This adjustable foot 10 consists of a threaded shaft or bolt, which is also screwed into a not recognizable in this figure internal thread, and a relative to the threaded shaft or bolt rotatable plate 36th

Der Gewindeschaft 30 kann bei beiden Varianten in einem gehäusefesten Verstellgehäuse 21 der Verstellvorrichtung 20 senkrecht geführt sein. Obwohl lediglich im Falle des fünften Stellfußes 1 das Verstellgehäuse 21 dargestellt ist, könnte dieses prinzipiell bei jedem der Stellfüße 2, 10 eingesetzt werden. Bei den mit dem Bezugszeichen 2 versehenen Verstellfüßen ist beispielhaft auf den Einbau einer Schnecke in das Verstellgehäuse verzichtet worden, so dass eine Höhenverstellung dieser Verstellfüße 2 lediglich durch unmittelbares Drehen des Gewindeschafts oder - bolzens oder, sofern der Teller fest mit dem Gewindeschaft verbunden ist, des Tellers, verdreht werden kann. Die Höhenverstellung des Verstellfußes 10 dagegen wird unter Verwendung einer (in Fig. 1 nicht ersichtlichen) Schnecke 32 bewirkt, die über eine Stellstange 24 von der Frontseite 3 des Gerätes aus bedienbar ist.The threaded shaft 30 may be performed vertically in both variants in a housing-fixed adjusting housing 21 of the adjusting device 20. Although only in the case of the fifth adjustable foot 1, the adjusting housing 21 is shown, this could in principle be used in each of the adjustable feet 2, 10. In the adjusting feet provided with the reference numeral 2, the installation of a worm in the adjusting housing has been omitted by way of example, so that a height adjustment of these adjusting feet 2 only by directly turning the threaded shaft or - or if the plate is firmly connected to the threaded shank of the Tellers, can be twisted. The height adjustment of Verstellfußes 10, however, is using a (in Fig. 1 not apparent) causes screw 32 which is operable via an actuating rod 24 from the front side 3 of the device.

Der Aufbau der erfindungsgemäßen Verstellvorrichtung wird aus den Figuren 2 bis 4 besser ersichtlich.The structure of the adjusting device according to the invention is made of the FIGS. 2 to 4 better visible.

In Fig. 2 ist in einer Schnittdarstellung eine Seitenansicht der erfindungsgemäßen Verstellvorrichtung 20 dargestellt. In einem nicht näher ausgeführten Verstellgehäuse 21, das mit einem Innengewinde 38 versehen ist, ist der Gewindeschaft 30 eingeschraubt. In unmittelbarem Eingriff mit dem Gewindeschaft 30 steht die Schnecke 32, die in der Darstellung der Fig. 2 in der Draufsicht erkennbar ist. Die Achsen der Schnecke 32 und des Gewindeschafts 30 verlaufen vorzugsweise in einem 90°-Winkel zueinander, wobei eine Schrägstellung in einem beliebigen Winke ebenso möglich ist. Die Verstellung der Schnecke 32 erfolgt beispielsweise über einen Schlitz 39, in den ein Schraubendreher von einer Gehäuseseite her einführbar ist.In Fig. 2 is shown in a sectional view a side view of the adjusting device 20 according to the invention. In a non-detailed adjustment housing 21 which is provided with an internal thread 38, the threaded shaft 30 is screwed. In direct engagement with the threaded shaft 30 is the screw 32, which in the illustration of Fig. 2 can be seen in the plan view. The axes of the screw 32 and the threaded shaft 30 are preferably at a 90 ° angle to each other, with an inclination in any angle is also possible. The adjustment of the worm 32 takes place, for example, via a slot 39 into which a screwdriver can be inserted from one side of the housing.

Aus der Draufsicht der Fig. 3 ist besser ersichtlich, wie die mit einem Gewinde 37 versehene Schnecke 32 mit dem Gewindeschaft 30 in unmittelbarem Eingriff steht. Dem Gewindeschaft 30 ist eine Verzahnung in Form von parallel zueinander verlaufender Nuten 34, die sich schraubenförmig in axialer Richtung erstrecken, überlagert. Das Gewinde 37 der Schnecke 32 und der Abstand sowie die Größe der Nuten 34 sind derart bemessen, dass eine Verdrehung des Gewindeschaftes durch Drehen der Schnecke erfolgen kann. Aus der Darstellung der Fig. 4 geht dieser Zusammenhang noch einmal in deutlicherer Weise hervor, wobei der Gewindeschaft bzw. -bolzen lediglich zu Zwecken der besseren Übersichtlichkeit halber in einem Umfangsabschnitt mit den Nuten versehen ist. In der Praxis erstrecken sich die Nuten über den gesamten Umfang des Gewindeschafts bzw. -bolzens.From the top view of Fig. 3 It can be better seen how the screw 37 provided with a screw 32 is in direct engagement with the threaded shaft 30. The threaded shaft 30 is a toothing in the form of mutually parallel grooves 34 which extend helically in the axial direction, superimposed. The thread 37 of the screw 32 and the distance and the size of the grooves 34 are dimensioned such that a rotation of the threaded shaft can be done by rotating the screw. From the representation of Fig. 4 This relationship is once again clearer, the threaded shaft or bolt is provided only for purposes of clarity in a peripheral portion with the grooves. In practice, the grooves extend over the entire circumference of the threaded shaft or bolt.

In einer weiteren, nicht dargestellten Ausführungsform kann der Gewindeschaft 30 auch zweiteilig ausgeführt sein. Der Gewindeschaft 30 besteht aus einem Rohrelement mit Gewinde 31 an der Außenseite und einem entsprechendem Teller an der Unterseite. Im zylinderförmigen Hohlraum des Rohrelements befindet sich eine vorzugsweise feststehende Gewindestange. Die Rotationsbewegung wird somit vorzugsweise nur vom Rohrelement ausgeführt. An der Gewindestange ist das Haushaltsgerät befestigt.In another embodiment, not shown, the threaded shaft 30 may also be made in two parts. The threaded shaft 30 consists of a tubular element with thread 31 on the outside and a corresponding plate on the bottom. In the cylindrical cavity of the tubular element is a preferably fixed threaded rod. The rotational movement is thus preferably carried out only by the tubular element. The appliance is attached to the threaded rod.

Um eine Höhenverstellung eines Stellfußes zu bewerkstelligen, ist die Schnecke 32 nicht unbedingt notwendig, da durch unmittelbares Drehen an dem Gewindeschaft 30 eine Verstellung in axialer Richtung möglich, ist. Die Schnecke 32 wird deshalb bevorzugt in einer Buchse (nicht dargestellt) gelagert, welche das optionale Vorsehen der Verstellvorrichtung erlaubt. Dadurch kann die erfindungsgemäße Verstelleinrichtung zur Ausbildung eines "einfachen" Stellfußes 2 oder eines "komfortablen" Stellfußes 10 verwendet werden.In order to accomplish a height adjustment of a leveling foot, the worm 32 is not absolutely necessary because by directly turning on the threaded shaft 30 a Adjustment in the axial direction is possible. The worm 32 is therefore preferably mounted in a bushing (not shown) which allows the optional provision of the adjustment device. As a result, the adjustment device according to the invention can be used to form a "simple" adjustable foot 2 or a "comfortable" adjustable foot 10.

Durch die Überlagerung der Verzahnung im Außengewinde des Gewindeschafts 30 ist es in vorteilhafter Weise möglich, auf das im Stand der Technik bislang verwendete Schneckenrad zu verzichten, das die Drehbewegung der Schnecke in eine axiale Vorschubrichtung des Gewindeschafts herbeiführt.By superimposing the teeth in the external thread of the threaded shaft 30, it is advantageously possible to dispense with the worm wheel previously used in the prior art, which brings about the rotational movement of the screw in an axial feed direction of the threaded shaft.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Gehäusecasing
22
StellfußAdjustable foot
33
Frontseitefront
1010
StellfußAdjustable foot
2020
Verstellvorrichtungadjustment
2121
Verstellgehäuseadjustment housing
2424
Verstellstangecontrol rod
2525
Austrittsöffnungenoutlet openings
3030
Gewindeschaft oder -bolzenThreaded shaft or bolt
3131
Gewindethread
3232
Schneckeslug
3333
Lagercamp
3434
Nutgroove
3535
BuchseRifle
3636
TellerPlate
3737
Gewindethread
3838
Gewindethread
3939
Schlitzslot

Claims (14)

  1. Domestic appliance with at least one adjusting device (20) for a setting foot (10) of the domestic appliance, consisting of a threaded shank or threaded bolt (30), which is mounted and axially adjustable in an adjuster housing (21) and which is provided at a base end with a plate (36), characterised in that the threaded shank or threaded bolt (30) and the plate (36) are connected to be rotatable relative to one another and the threaded shank or threaded bolt (30) is so designed that this can be brought into engagement with a worm (32), which is rotatably mounted in the adjuster housing (21), in order to directly bring about a rotation of the threaded shank or threaded bolt (30) by way of rotational movement of the worm (32).
  2. Domestic appliance according to claim 1, characterised in that the worm (32) and the threaded shank or threaded bolt (30) are disposed in direct engagement.
  3. Domestic appliance according to claim 1 or 2, characterised in that the axes of the worm (32) and the threaded shank or threaded bolt (30) cross at an angle.
  4. Domestic appliance according to any one of the preceding claims, characterised in that a toothing is superimposed on the thread of the threaded shank or threaded bolt (30) so as to enable engagement of the worm (5).
  5. Domestic appliance according to claim 4, characterised in that the toothing is formed by a plurality of grooves (34) which are formed in the threaded shank or threaded bolt (30) and which preferably extend to run substantially parallel to one another.
  6. Domestic appliance according to any one of the preceding claims, characterised in that the adjuster housing (21) engages over the threaded shank or threaded bolt (30) so that the thread of the threaded shank or threaded bolt (30) engages in a corresponding thread of a bore of the adjuster housing (21).
  7. Domestic appliance according to any one of the preceding claims, characterised in that the worm (32) is rotatably mounted in a bush of the adjuster housing (21).
  8. Domestic appliance according to claim 7, characterised in that the bush (8) is mechanically positively and detachably arranged in the adjuster housing (21).
  9. Domestic appliance according to any one of the preceding claims, characterised in that the worm (32) is constructed to be single-start or double-start.
  10. Domestic appliance according to any one of the preceding claims, characterised in that the threaded shank or threaded bolt (30) and/or the worm (32) is or are made of a plastics material or a metal, wherein the threaded shank (30) is preferably of single part or multi-part construction, particularly two-part construction from a tubular element and a threaded rod.
  11. Domestic appliance according to any one of the preceding claims, characterised in that this is equipped with at least three setting feet (2, 10), wherein two setting feet (2, 10) are arranged at the front side at the domestic appliance and one setting foot (2, 10) is arranged at the rear side at the domestic appliance and wherein the setting foot arranged at the rear side is adjustable in height by the adjusting device (20) from a side wall (3) of the domestic appliance.
  12. Domestic appliance according to claim 11, characterised in that at least the adjusting device (20) of the setting foot (10) arranged at the rear side has the worm (32) which engages in the threaded shank or threaded bolt (30) and which is actuable by way of an adjusting rod (24), which is disposed in operative connection therewith and which is rotatably mounted in the domestic appliance and operable from the front side of the domestic appliance.
  13. Domestic appliance according to one of claims 11 and 12, characterised in that at least one of the setting feet (2) arranged at the front side at the domestic appliance is adjustable in height.
  14. Domestic appliance according to any one of claims 11 to 13, characterised in that the setting foot (10) arranged rearwardly at the domestic appliance is disposed approximately in the centre of the lower rearward housing edge of the domestic appliance.
EP05797238A 2004-10-15 2005-10-12 Adjusting device, in particular for the adjustable base of a household device Not-in-force EP1802216B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05797238T PL1802216T3 (en) 2004-10-15 2005-10-12 Adjusting device, in particular for the adjustable base of a household device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004050362A DE102004050362A1 (en) 2004-10-15 2004-10-15 Adjusting device, in particular for a leveling foot of a household appliance
PCT/EP2005/055192 WO2006042816A1 (en) 2004-10-15 2005-10-12 Adjusting device, in particular for the adjustable base of a household device

Publications (2)

Publication Number Publication Date
EP1802216A1 EP1802216A1 (en) 2007-07-04
EP1802216B1 true EP1802216B1 (en) 2011-12-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP05797238A Not-in-force EP1802216B1 (en) 2004-10-15 2005-10-12 Adjusting device, in particular for the adjustable base of a household device

Country Status (8)

Country Link
US (1) US20080168855A1 (en)
EP (1) EP1802216B1 (en)
CN (1) CN2885024Y (en)
AT (1) ATE536766T1 (en)
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DE102004050362A1 (en) 2006-04-27
EP1802216A1 (en) 2007-07-04
WO2006042816A1 (en) 2006-04-27
CN2885024Y (en) 2007-04-04
PL1802216T3 (en) 2012-05-31
US20080168855A1 (en) 2008-07-17
ATE536766T1 (en) 2011-12-15
ES2375486T3 (en) 2012-03-01

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