EP1957919B1 - Kitchen device with height adjustable shelving system - Google Patents
Kitchen device with height adjustable shelving system Download PDFInfo
- Publication number
- EP1957919B1 EP1957919B1 EP06807382A EP06807382A EP1957919B1 EP 1957919 B1 EP1957919 B1 EP 1957919B1 EP 06807382 A EP06807382 A EP 06807382A EP 06807382 A EP06807382 A EP 06807382A EP 1957919 B1 EP1957919 B1 EP 1957919B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- appliance
- height
- guide rails
- carrier
- coupling
- 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.)
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Links
- 230000008878 coupling Effects 0.000 claims description 22
- 238000010168 coupling process Methods 0.000 claims description 22
- 238000005859 coupling reaction Methods 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 2
- 238000007710 freezing Methods 0.000 claims 1
- 230000008014 freezing Effects 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 230000004308 accommodation Effects 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000015173 baked goods and baking mixes Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000010794 food waste Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
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- 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
- A47B57/00—Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions
- A47B57/06—Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions with means for adjusting the height of the shelves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGESĀ ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/16—Shelves, racks or trays inside ovens; Supports therefor
-
- 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
- Y10T74/18—Mechanical movements
- Y10T74/18568—Reciprocating or oscillating to or from alternating rotary
- Y10T74/18832—Reciprocating or oscillating to or from alternating rotary including flexible drive connector [e.g., belt, chain, strand, etc.]
Definitions
- the invention relates to a kitchen appliance, in particular a refrigerator and / or freezer, according to the preamble of claim 1.
- a kitchen appliance in particular a refrigerator and / or freezer, according to the preamble of claim 1.
- Such a device is for example from the US-A-3,982,801 known.
- a kitchen appliance in particular a refrigerator and / or freezer to specify, which allows a particularly good space-consuming and at the same time versatile storage of goods in a flexibly shaped interior of the kitchen appliance.
- Another object of the invention is to improve the height adjustment of the known carriers.
- the kitchen appliance according to the invention in particular refrigerator and / or freezer, with an interior, in which at least one height-adjustable support is provided for receiving goods, provides that at least two guide rails are provided on the kitchen appliance, each with at least one guided along the guide rail transport carriage wherein each of the transport carriages is connectable to the carrier and height adjustable by a drive with a height adjustment.
- the kitchen appliance is preferably a refrigerator and / or freezer or a fridge and / or freezer. However, it can also be another kitchen appliance such. a dishwasher, a stove or a stove.
- the carrier may be a shelf, a storage compartment, a grate, a sheet or a dish rack. As goods come under other food, refrigerated goods, baked goods, dishes and ovenware into consideration.
- As a drive hydraulic can be used, but is preferably an electric motor.
- the carrier can be continuously adjusted between a lower first height and a higher second height.
- the height of the carrier and thus the goods located on the carrier can be adjusted so that an efficient use of space in the interior is made possible.
- the interior can be easily redistributed and optimally adapted to different sized goods.
- the height adjustment facilitates removal of the goods from the interior by the carrier is driven with the goods to a comfortable height for the user of the kitchen appliance.
- the interior of the kitchen appliance has a volume in a range of 50 l to 1000 l, in particular in a range of 100 l to 300 l.
- a carrier is held by two transport carriages, in particular a first transport carriage on a left side of the inner space and a second transport carriage on a right side of the inner space.
- the carrier is moved by means of the at least two transport carriages.
- the transport carriages are guided along the guide rails.
- the carrier can be detached from the transport carriages.
- the carrier can in particular be latched, latched or hooked to the transport carriage. This is advantageous, for example, for cleaning purposes.
- Each of the guide rails has a rotatably mounted threaded spindle with which the transport carriage is engaged.
- a thread is provided on the transport carriage.
- the threaded spindles are turned by means of the drive, whereby the transport carriages can be adjusted in their height.
- At least two guide rails are provided and the height adjustment has at least two threaded spindles which are connected to one another via a coupling shaft in a rotation-transmitting connection.
- the synchronized movement avoids jamming of the carrier in the interior and ensures safe and quiet operation during height adjustment.
- the guide rails are distributed as far as possible from each other over the carrier, so that it comes to a uniform support of the wearer.
- a rotation of a first threaded spindle is synchronized with the rotation of a second threaded spindle.
- the use of the spindles also has the advantage that an adjustment of the carrier under the load of the goods when the drive is switched off by a self-locking. An additional locking of the transport carriage in the guide rails is then no longer necessary.
- the drive allows in particular a smooth-running adjustment of the carrier down and up.
- the coupling shaft is connected to at least one of the two threaded spindles via a worm wheel.
- the worm gear set allows a particularly compact design of the height adjustment and also offers the functionality of a reduction, so that drives with relatively high rotational frequencies can be used.
- the transmission ratio of the worm wheel set is at least 5: 1, in particular at least 10: 1, preferably 15: 1.
- the coupling shaft is connected to at least one of the two threaded spindles via a bevel gear pair, a Kegelschraubradpar or Stirnschraubradcru.
- the transmission ratio here may in particular be at least 2: 1, in particular at least 3: 1, preferably at least 5: 1.
- the rotation-transmitting connection has at least one elastic first coupling.
- the elastic first clutch length tolerances manufacturing tolerances and axial dislocations can be compensated, whereby a high degree of smoothness is ensured.
- a torsionally elastic plastic element, a slotted sleeve or a torsion spring can be used as elastic first coupling.
- the guide rail may comprise a tension element, in particular an advantageously profiled belt, a cable or a chain, with which the transport carriage along the guide rail is height adjustable.
- the power transmission to the carrier takes place here by the tension element.
- the tension element has a profile, in particular teeth, or chain links.
- the carrier is releasably securable to the transport carriage.
- the carrier can for example be hooked, hung, infected or clipped, whereby it is advantageously exchangeable or exchangeable.
- a further carrier can be attached to the guide rail.
- the other carrier can be guided in the guide rail height adjustable or fixed in height adjustable.
- the other carrier can be engaged in steps at predetermined heights.
- the other carrier is not height adjustable in particular by the drive.
- the guide rail then has a double function, on the one hand, it takes the other carrier at predetermined positions firmly, on the other hand can along her along a height-adjustable support along.
- the guide rail on a splash guard prevents impurities, especially food residues or liquids, from getting into the guide rail, which could otherwise impair the functionality of the height adjustment.
- the splash guard may consist of a cover, a sliding cover plate or a sliding cover plate, an elastic plate seal or other seals or have these.
- the splash guard may have a labyrinth seal.
- the guide rail has at its lower end an opening from which liquid contaminants can flow out of the guide rail.
- the drive via a second elastic coupling with the height adjustment is connected to transmit rotation.
- the smoothness of the second elastic coupling increases smoothness. In particular, this can effectively prevent abrupt starting or stalling of the carrier.
- the second elastic coupling comprises a belt transmission with a belt and two pulleys.
- the belt may be made of a rubbery material.
- the transmission ratio of the belt transmission is in particular at least 1.5: 1, in particular at least 2: 1, preferably at least 4: 1.
- the rotational frequency of the drive is further reduced, which in a corresponding manner higher-frequency motors can be used, which can be made more compact, energy-efficient and cheaper.
- the carrier is supported in particular by two transport carriages.
- At least one stop sensor is provided on the guide rail.
- the drive is designed to prevent impact of the transport carriage. With the help of the stop sensor, a safe operation of the height adjustment can be ensured.
- a safety sensor which monitors the interior of the device and prevents a collision of objects in the interior of the device can be.
- the safety sensor is provided on a transport carriage or on the movable support and moves with it.
- the safety sensor can in this case be designed as a motion sensor, which switches off the drive as soon as an object gets too close to the carrier from below.
- a second security sensor may be provided in the upper area of the device, by which a striking of goods located on the carrier is avoided on a ceiling wall of the device.
- Fig. 1 1 shows a kitchen appliance 1 according to the invention with an interior space 2 in which three carriers 3, 3 ', 3 "arranged at different heights are arranged on the carrier 3' are goods 4.
- the uppermost carrier 3 is height-adjustable. and 3 "can be locked at different heights, but they are not continuous or can be moved in height by a drive.
- the uppermost carrier 3 can be moved or moved by a drive 7.
- the current height of the topmost carrier 3 is monitored by means of safety sensors 28.
- the carrier 3 is moved along a first guide rail 5 by means of a first transport carriage 12.
- the first guide rail 5 is protected by a splash guard 19.
- the kitchen appliance 1 is designed as a refrigerator and has a door 26.
- Fig. 2 shows a section of a kitchen appliance 1 according to the invention and shows how the height adjustment works.
- a drive 7 is provided, which transmits a torque to a coupling rod 11 via a belt transmission 21 with a belt 22 and a first 23 and a second 24 pulley.
- the coupling rod 11 drives via a flexible first clutch 16 to a worm wheel 15, which produces a rotation-transmitting connection 14 for a first threaded spindle 8.
- a rotation transmitting connection 14 is made between the coupling shaft 11 and a second threaded spindle 9 so that a first 12 and a second 13 transport carriages can be moved along the first 5 and a second 6 guide rails.
- FIG. 3 shows as well FIGS. 4 and 5 further sections of the kitchen appliance 1, wherein the torque transmission of the drive 7 is shown on the transport carriages 12, 13.
- the belt transmission 21 is an elastic second clutch 20, which ensures more smooth running.
- the gear ratio between the first 23 and second 24 pulley is 2: 1, whereby the rotational frequency of the drive 7 is reduced.
- the rotation ratio is reduced by a factor of 5, so that electric motors with comparatively high rotational frequencies can be used as drive 7. This makes it possible to comparatively heavy masses on the support 3 with small-sized electric motors operate.
- Fig. 3 shows a tension element 17, which is designed as a cable with which the first transport carriage 12 can be adjusted in height. This variant is not part of the invention.
- a stop sensor 27 can be seen, which detects the position of the first 12 and second 13 transport carriage and stops the drive 7, as soon as the transport carriages 12, 13 approach their end positions.
- the invention relates to a kitchen appliance 1, in particular refrigerator and / or freezer, with an interior 2, in which at least one height-adjustable support 3 for receiving goods 4 is provided, wherein the kitchen appliance 1 at least one guide rail 5, 6 and at least one along the guide rail 5, 6 guided transport carriages 12, 13 are provided, wherein the transport carriage 12, 13 connectable to the carrier 3 and by a drive 7 with a height adjustment 10 is height adjustable.
- the invention is characterized in that shelves can be easily and conveniently changed in height, without the goods must be removed from the kitchen appliance 1, whereby the operation of the kitchen appliance 1 is designed particularly simple.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Transmission Devices (AREA)
- Freezers Or Refrigerated Showcases (AREA)
- Baking, Grill, Roasting (AREA)
- Warehouses Or Storage Devices (AREA)
- Devices For Warming Or Keeping Food Or Tableware Hot (AREA)
- Combinations Of Kitchen Furniture (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
Description
Die Erfindung betrifft ein KĆ¼chengerƤt, insbesondere ein KĆ¼hl- und/oder GefriergerƤt, gemĆ¤Ć dem Oberbegriff des Anspruchs 1. Ein solches GerƤt ist z.B. aus der
Es ist bekannt, KĆ¼hlgerƤte, insbesondere KĆ¼hl- oder GefrierschrƤnke, mit hƶhenverstellbaren FƤchern bzw. hƶhenverstellbaren Regalbƶden auszugestalten, damit ein Innenraum des KĆ¼hlgerƤts den BedĆ¼rfnissen entsprechend besonders gut ausgenutzt werden kann. HierfĆ¼r sind in der Regel in dem Innenraum des KĆ¼hlgerƤts eine Mehrzahl von auf verschiedenen Hƶhen angeordneten Aufnahmeleisten vorgesehen, in welche die Regalbƶden bzw. FƤcher eingeschoben werden kƶnnen. Sollen die Regalbƶden bzw. FƤcher in ihrer Hƶhe verstellt werden, ist es zuvor erforderlich, die Regalbƶden bzw. FƤcher von den in dem KĆ¼hlgerƤt aufbewahrten Waren frei zu rƤumen.It is known to design cooling appliances, in particular refrigerators or freezers, with height-adjustable shelves or height-adjustable shelves, so that an interior of the refrigerator can be used particularly well according to the needs. For this purpose, a plurality of arranged at different levels receiving strips are usually provided in the interior of the refrigerator, in which the shelves or compartments can be inserted. If the shelves or compartments are adjusted in height, it is previously necessary to clear the shelves or compartments of the goods stored in the refrigerator goods.
Es ist Aufgabe der vorliegenden Erfindung, ein KĆ¼chengerƤt, insbesondere ein KĆ¼hlund/oder GefriergerƤt, anzugeben, welches eine besonders gut raumausnutzende und zugleich vielseitige Lagerung von Waren in einem flexibel gestaltbaren Innenraum des KĆ¼chengerƤts zulƤsst. Eine weitere Aufgabe der Erfindung besteht darin, die Hƶhenverstellung der bekannten TrƤger zu verbessern.It is an object of the present invention, a kitchen appliance, in particular a refrigerator and / or freezer to specify, which allows a particularly good space-consuming and at the same time versatile storage of goods in a flexibly shaped interior of the kitchen appliance. Another object of the invention is to improve the height adjustment of the known carriers.
Diese Aufgabe wird erfindungsgemĆ¤Ć gelƶst wie in dem unabhƤngigen Anspruch angegeben. Weitere vorteilhafte Ausgestaltungen und Weiterbildungen, die jeweils einzeln angewandt oder in geeigneter Weise beliebig miteinander kombiniert werden kƶnnen, sind Gegenstand der abhƤngigen AnsprĆ¼che.This object is achieved according to the invention as indicated in the independent claim. Further advantageous embodiments and further developments, which can be applied individually or combined with each other in a suitable manner, are the subject of the dependent claims.
Das erfindungsgemƤĆe KĆ¼chengerƤt, insbesondere KĆ¼hl- und/oder GefriergerƤt, mit einem Innenraum, in welchem mindestens ein hƶhenverstellbarer TrƤger zur Aufnahme von Waren vorgesehen ist, sieht vor, dass an dem KĆ¼chengerƤt mindestens zwei FĆ¼hrungsschienen mit jeweils mindestens einem entlang der FĆ¼hrungsschiene gefĆ¼hrten Transportschlitten vorgesehen sind, wobei jeder der Transportschlitten mit dem TrƤger verbindbar und durch einen Antrieb mit einer Hƶhenverstellung hƶhenverstellbar ist.The kitchen appliance according to the invention, in particular refrigerator and / or freezer, with an interior, in which at least one height-adjustable support is provided for receiving goods, provides that at least two guide rails are provided on the kitchen appliance, each with at least one guided along the guide rail transport carriage wherein each of the transport carriages is connectable to the carrier and height adjustable by a drive with a height adjustment.
Das KĆ¼chengerƤt ist vorzugsweise ein KĆ¼hl- und/oder Gefrierschrank oder eine KĆ¼hlund/oder Gefrierkombination. Es kann jedoch auch ein anderes KĆ¼chengerƤt wie z.B. eine SpĆ¼lmaschine, ein Herd oder ein Ofen sein. Der TrƤger kann ein Regalboden, ein Ablagefach, ein Rost, ein Blech oder ein Geschirrkorb sein. Als Waren kommen unter anderen Lebensmittel, KĆ¼hlgut, Backwaren, Geschirr und Ofenware in Betracht. Als Antrieb kann eine Hydraulik verwendet werden, bevorzugt ist jedoch ein Elektromotor.The kitchen appliance is preferably a refrigerator and / or freezer or a fridge and / or freezer. However, it can also be another kitchen appliance such. a dishwasher, a stove or a stove. The carrier may be a shelf, a storage compartment, a grate, a sheet or a dish rack. As goods come under other food, refrigerated goods, baked goods, dishes and ovenware into consideration. As a drive hydraulic can be used, but is preferably an electric motor.
Der TrƤger kann insbesondere zwischen einer tieferen ersten Hƶhe und einer hƶheren zweiten Hƶhe kontinuierlich verstellt werden.In particular, the carrier can be continuously adjusted between a lower first height and a higher second height.
Durch die Hƶhenverstellung kann der TrƤger und damit die auf dem TrƤger befindlichen Waren so eingestellt werden, dass eine effiziente Raumausnutzung in dem Innenraum ermƶglicht wird. Der Innenraum kann auf einfache Weise neu aufgeteilt und auf verschieden groĆe Waren optimal angepasst werden.By adjusting the height of the carrier and thus the goods located on the carrier can be adjusted so that an efficient use of space in the interior is made possible. The interior can be easily redistributed and optimally adapted to different sized goods.
DarĆ¼ber hinaus erleichtert die Hƶhenverstellung ein Herausnehmen der Waren aus dem Innenraum, indem der TrƤger mit den Waren auf eine fĆ¼r den Nutzer des KĆ¼chengerƤts bequeme Hƶhe gefahren wird.In addition, the height adjustment facilitates removal of the goods from the interior by the carrier is driven with the goods to a comfortable height for the user of the kitchen appliance.
Der Innenraum des KĆ¼chengerƤts weist ein Volumen in einem Bereich von 50 I - 1000 I, insbesondere in einem Bereich von 100 I bis 300 I, auf.The interior of the kitchen appliance has a volume in a range of 50 l to 1000 l, in particular in a range of 100 l to 300 l.
Ein TrƤger wird durch zwei Transportschlitten, insbesondere einen ersten Transportschlitten auf einer linken Seite des Innenraums und einen zweiten Transportschlitten auf einer rechten Seite des Innenraums, gehalten.A carrier is held by two transport carriages, in particular a first transport carriage on a left side of the inner space and a second transport carriage on a right side of the inner space.
Der TrƤger wird mit Hilfe der mindestens zwei Transportschlitten bewegt. Die Transportschlitten werden entlang der FĆ¼hrungsschienen gefĆ¼hrt. Vorteilhafterweise kann der TrƤger von den Transportschlitten losgelƶst werden. Der TrƤger kann insbesondere an den Transportschlitten verrastet, eingerastet oder eingehƤngt werden. Dieses ist beispielsweise fĆ¼r Reinigungszwecke vorteilhafte.The carrier is moved by means of the at least two transport carriages. The transport carriages are guided along the guide rails. Advantageously, the carrier can be detached from the transport carriages. The carrier can in particular be latched, latched or hooked to the transport carriage. This is advantageous, for example, for cleaning purposes.
Jede der FĆ¼hrungsschienen weist eine drehbar gelagerte Gewindespindel auf, mit der der Transportschlitten im Eingriff steht. HierfĆ¼r ist an den Transportschlitten ein Gewinde vorgesehen. Die Gewindespinden werden mit Hilfe des Antriebs gedreht, wodurch die Transportschlitten in ihrer Hƶhe verstellt werden kƶnnen.Each of the guide rails has a rotatably mounted threaded spindle with which the transport carriage is engaged. For this purpose, a thread is provided on the transport carriage. The threaded spindles are turned by means of the drive, whereby the transport carriages can be adjusted in their height.
ErfindungsgemĆ¤Ć sind mindestens zwei FĆ¼hrungsschienen vorgesehen und die Hƶhenverstellung weist mindestens zwei Gewindespindeln auf, die Ć¼ber eine Koppelwelle miteinander in einer drehungsĆ¼bertragenden Verbindung stehen. Mit Hilfe der FĆ¼hrungsschienen und der Gewindespindeln ist eine synchronisierte Bewegung der Transportschlitten mƶglich.According to the invention, at least two guide rails are provided and the height adjustment has at least two threaded spindles which are connected to one another via a coupling shaft in a rotation-transmitting connection. With the aid of the guide rails and the threaded spindles a synchronized movement of the transport carriages is possible.
Durch die synchronisierte Bewegung wird ein Verkanten des TrƤgers in dem Innenraum vermieden und eine sichere und ruhige Betriebsweise wƤhrend der Hƶhenverstellung gewƤhrleistet. HierfĆ¼r sind die FĆ¼hrungsschienen mƶglichst weit voneinander Ć¼ber den TrƤger verteilt, so dass es zu einer gleichmƤĆigen AbstĆ¼tzung des TrƤgers kommt. Durch die Koppelwelle wird eine Drehung einer ersten Gewindespindel mit der Drehung einer zweiten Gewindespindel synchronisiert. Die Verwendung der Spindeln hat auch den Vorteil, dass eine Verstellung des TrƤgers unter der Last der Waren bei ausgeschaltetem Antrieb durch eine Selbsthemmung unterbleibt. Eine zusƤtzliche Verrastung der Transportschlitten in den FĆ¼hrungsschienen ist dann nicht mehr erforderlich.The synchronized movement avoids jamming of the carrier in the interior and ensures safe and quiet operation during height adjustment. For this purpose, the guide rails are distributed as far as possible from each other over the carrier, so that it comes to a uniform support of the wearer. Through the coupling shaft, a rotation of a first threaded spindle is synchronized with the rotation of a second threaded spindle. The use of the spindles also has the advantage that an adjustment of the carrier under the load of the goods when the drive is switched off by a self-locking. An additional locking of the transport carriage in the guide rails is then no longer necessary.
Der Antrieb ermƶglicht insbesondere eine lƤufruhige Verstellung des TrƤgers nach unten und nach oben.The drive allows in particular a smooth-running adjustment of the carrier down and up.
Vorteilhafterweise ist die Koppelwelle mit mindestens einer der beiden Gewindespindeln Ć¼ber einen Schneckenradsatz verbunden. Der Schneckenradsatz erlaubt eine besonders kompakte Bauweise der Hƶhenverstellung und bietet darĆ¼ber hinaus die FunktionalitƤt einer Untersetzung, so dass Antriebe mit vergleichsweise hohen Umdrehungsfrequenzen verwendet werden kƶnnen.Advantageously, the coupling shaft is connected to at least one of the two threaded spindles via a worm wheel. The worm gear set allows a particularly compact design of the height adjustment and also offers the functionality of a reduction, so that drives with relatively high rotational frequencies can be used.
Die Verwendung von hƶherfrequenten Antrieben erlaubt die Verwendung von kleineren, platzsparenderen, preiswerteren und energiesparenderen Antrieben.The use of higher-frequency drives allows the use of smaller, space-saving, cheaper and more energy-efficient drives.
Das ĆbersetzungsverhƤltnis des Schneckenradsatzes betrƤgt mindestens 5:1, insbesondere mindestens 10:1, vorzugsweise 15:1.The transmission ratio of the worm wheel set is at least 5: 1, in particular at least 10: 1, preferably 15: 1.
In einer anderen Ausgestaltung ist die Koppelwelle mit mindestens einer der beiden Gewindespindeln Ć¼ber ein Kegelradpaar, ein Kegelschraubradpaar oder Stirnschraubradpaar verbunden. Das ĆbersetzungsverhƤltnis hierbei kann insbesondere mindestens 2:1, insbesondere mindestens 3:1, vorzugsweise mindestens 5:1 sein.In another embodiment, the coupling shaft is connected to at least one of the two threaded spindles via a bevel gear pair, a Kegelschraubradpaar or Stirnschraubradpaar. The transmission ratio here may in particular be at least 2: 1, in particular at least 3: 1, preferably at least 5: 1.
GemĆ¤Ć der Erfindung weist die drehungsĆ¼bertragende Verbindung mindestens eine elastische erste Kupplung auf. Mit Hilfe der elastischen ersten Kupplung kƶnnen LƤngentoleranzen, Fertigungstoleranzen und Achsversetzungen ausgeglichen werden, wodurch ein hohes MaĆ an Laufruhe gewƤhrleistet wird. Als elastische erste Kupplung kann beispielsweise ein drehelastisches Kunststoffelement, eine geschlitzte HĆ¼lse oder eine Torsionsfeder verwendet werden.According to the invention, the rotation-transmitting connection has at least one elastic first coupling. With the help of the elastic first clutch length tolerances, manufacturing tolerances and axial dislocations can be compensated, whereby a high degree of smoothness is ensured. For example, a torsionally elastic plastic element, a slotted sleeve or a torsion spring can be used as elastic first coupling.
Bei einer Alternative, die nicht Teil der Erfindung ist, kann die FĆ¼hrungsschiene ein Zugelement, insbesondere einen vorteilhafterweise profilierten Riemen, einen Seilzug oder eine Kette aufweisen, mit dem der Transportschlitten entlang der FĆ¼hrungsschiene hƶhenverstellbar ist. Die KraftĆ¼bertragung auf den TrƤger erfolgt hierbei durch das Zugelement. Um ein Verrutschen des TrƤgers zu vermeiden, weist das Zugelement ein Profil, insbesondere ZƤhne, oder Kettenglieder auf.In an alternative, which is not part of the invention, the guide rail may comprise a tension element, in particular an advantageously profiled belt, a cable or a chain, with which the transport carriage along the guide rail is height adjustable. The power transmission to the carrier takes place here by the tension element. In order to avoid slippage of the carrier, the tension element has a profile, in particular teeth, or chain links.
Vorteilhafterweise ist der TrƤger an dem Transportschlitten lƶsbar befestigbar. Der TrƤger kann beispielsweise eingehakt, eingehƤngt, angesteckt oder angeklipst werden, wodurch er vorteilhafterweise auswechselbar bzw. austauschbar ist.Advantageously, the carrier is releasably securable to the transport carriage. The carrier can for example be hooked, hung, infected or clipped, whereby it is advantageously exchangeable or exchangeable.
In einer speziellen Ausgestaltung der Erfindung kann ein weiterer TrƤger an der FĆ¼hrungsschiene befestigt werden. Der weitere TrƤger kann in der FĆ¼hrungsschiene hƶhenverstellbar gefĆ¼hrt oder hƶhenverstellbar fixiert werden. Beispielsweise kann der weitere TrƤger auf vorgegebenen Hƶhen stufenweise eingerastet werden. Der weitere TrƤger ist insbesondere durch den Antrieb nicht hƶhenverstellbar. Die FĆ¼hrungsschiene hat dann eine doppelte Funktion, zum einen nimmt sie den weiteren TrƤger an vorgegebenen Positionen fest auf, zum anderen kann an ihr entlang ein hƶhenverstellbarer TrƤger entlanggleiten. Vorteilhafterweise weist die FĆ¼hrungsschiene einen Spritzschutz auf. Durch den Spritzschutz wird verhindert, dass Verunreinigungen, insbesondere Lebensmittelreste oder FlĆ¼ssigkeiten, in die FĆ¼hrungsschiene gelangen, welche sonst die FunktionstĆ¼chtigkeit der Hƶhenverstellung beeintrƤchtigen kƶnnten. Der Spritzschutz kann aus einer Abdeckhaube, einem verschieblichen Abdeckblech bzw. einer verschieblichen Abdeckplatte, einer elastischen Lamellendichtung oder anderen Dichtungen bestehen bzw. diese aufweisen. Der Spritzschutz kann eine Labyrinthdichtung aufweisen. Vorteilhafterweise weist die FĆ¼hrungsschiene an ihrem unteren Ende eine Ćffnung auf, aus welcher flĆ¼ssige Verunreinigungen aus der FĆ¼hrungsschiene abflieĆen kƶnnen.In a special embodiment of the invention, a further carrier can be attached to the guide rail. The other carrier can be guided in the guide rail height adjustable or fixed in height adjustable. For example, the other carrier can be engaged in steps at predetermined heights. The other carrier is not height adjustable in particular by the drive. The guide rail then has a double function, on the one hand, it takes the other carrier at predetermined positions firmly, on the other hand can along her along a height-adjustable support along. Advantageously, the guide rail on a splash guard. The splash guard prevents impurities, especially food residues or liquids, from getting into the guide rail, which could otherwise impair the functionality of the height adjustment. The splash guard may consist of a cover, a sliding cover plate or a sliding cover plate, an elastic plate seal or other seals or have these. The splash guard may have a labyrinth seal. Advantageously, the guide rail has at its lower end an opening from which liquid contaminants can flow out of the guide rail.
Vorteilhafterweise ist der Antrieb Ć¼ber eine zweite elastische Kupplung mit der Hƶhenverstellung drehungsĆ¼bertragend verbunden. Durch die zweite elastische Kupplung wird die Laufruhe gesteigert. Insbesondere kann hierdurch ein abruptes Anfahren bzw. Stocken des TrƤgers wirksam verhindert werden. Beispielsweise umfasst die zweite elastische Kupplung eine RiemenĆ¼bertragung mit einem Riemen und zwei Riemenscheiben. Der Riemen kann aus einem gummiartigen Material gefertigt sein.Advantageously, the drive via a second elastic coupling with the height adjustment is connected to transmit rotation. The smoothness of the second elastic coupling increases smoothness. In particular, this can effectively prevent abrupt starting or stalling of the carrier. For example, the second elastic coupling comprises a belt transmission with a belt and two pulleys. The belt may be made of a rubbery material.
Das ĆbersetzungsverhƤltnis der RiemenĆ¼bertragung betrƤgt insbesondere mindestens 1,5:1, insbesondere mindestens 2:1, vorzugsweise mindestens 4:1. Durch dieses ĆbersetzungsverhƤltnis wird die Drehfrequenz des Antriebs weiter herabgesetzt, wodurch in entsprechender Weise hƶherfrequente Motoren verwendet werden kƶnnen, welche kompakter, energiesparender und preiswerter gestaltet werden kƶnnen.The transmission ratio of the belt transmission is in particular at least 1.5: 1, in particular at least 2: 1, preferably at least 4: 1. By this ratio, the rotational frequency of the drive is further reduced, which in a corresponding manner higher-frequency motors can be used, which can be made more compact, energy-efficient and cheaper.
Der TrƤger wird insbesondere durch zwei Transportschlitten gestĆ¼tzt.The carrier is supported in particular by two transport carriages.
Vorteilhafterweise ist mindestens ein Anschlagsensor an der FĆ¼hrungsschiene vorgesehen. Sobald der Anschlagsensor erfasst, dass der Transportschlitten an seiner hƶchsten bzw. tiefsten fĆ¼r ihn vorgesehenen Stellung angelangt ist, wird der Antrieb ausgestaltet, um ein Anschlagen des Transportschlittens zu vermeiden. Mit Hilfe des Anschlagsensors kann ein sicherer Betrieb der Hƶhenverstellung gewƤhrleistet werden.Advantageously, at least one stop sensor is provided on the guide rail. As soon as the stop sensor detects that the transport carriage has reached its highest or lowest position intended for it, the drive is designed to prevent impact of the transport carriage. With the help of the stop sensor, a safe operation of the height adjustment can be ensured.
Vorteilhafterweise ist ein Sicherheitssensor vorgesehen, der den Innenraum des GerƤts Ć¼berwacht und mit dem eine Kollision von GegenstƤnden im Innenraum des GerƤts verhindert werden kann. Vorteilhafterweise ist der Sicherheitssensor an einem Transportschlitten oder an dem beweglichen TrƤger vorgesehen und bewegt sich mit diesem mit. Der Sicherheitssensor kann in diesem Fall als Bewegungssensor gestaltet sein, der den Antrieb ausschaltet, sobald ein Gegenstand von unten zu nah an den TrƤger gelangt. Ein zweiter Sicherheitssensor kann im oberen Bereich des GerƤts vorgesehen sein, durch den ein Anschlagen von auf dem TrƤger befindlichen Waren an einer Deckenwand des GerƤts vermieden wird.Advantageously, a safety sensor is provided which monitors the interior of the device and prevents a collision of objects in the interior of the device can be. Advantageously, the safety sensor is provided on a transport carriage or on the movable support and moves with it. The safety sensor can in this case be designed as a motion sensor, which switches off the drive as soon as an object gets too close to the carrier from below. A second security sensor may be provided in the upper area of the device, by which a striking of goods located on the carrier is avoided on a ceiling wall of the device.
Weitere Einzelheiten und vorteilhafte Ausgestaltungen, die jeweils einzeln oder in einer geeigneten Weise beliebig miteinander kombiniert werden kƶnnen, werden anhand der folgenden Zeichnung, welche die Erfindung nicht einschrƤnken, sondern lediglich exemplarisch illustrieren soll, nƤher erlƤutert.Further details and advantageous embodiments, which can be combined with each other either individually or in a suitable manner, will be explained in more detail with reference to the following drawing, which is not intended to limit the invention, but only by way of example.
Es zeigen schematisch:
- Fig. 1
- ein erfindungsgemƤĆes KĆ¼chengerƤt in einer perspektivischen SchrƤgansicht;
- Fig. 2
- eine Detailansicht des KĆ¼chengerƤts nach
Fig. 1 , welche die Hƶhen- verstellung zeigt; - Fig. 3
- eine weitere Detailansicht eines weiteren KĆ¼- chengerƤts, welche die Hƶhenverstellung zeigt; diese Variante ist nicht Teil der Erfindung ;
- Fig. 4 und Fig. 5
- weitere Detailansichten eines erfindungsgemƤĆen KĆ¼chengerƤts, wel- che Details einer Hƶhenverstellung zeigen.
- Fig. 1
- an inventive kitchen appliance in a perspective oblique view;
- Fig. 2
- a detailed view of the kitchen appliance after
Fig. 1 showing the height adjustment; - Fig. 3
- a further detail view of another kitchen appliance, which shows the height adjustment; this variant is not part of the invention;
- 4 and FIG. 5
- further detail views of a kitchen appliance according to the invention, which show details of a height adjustment.
In den
Die Erfindung betrifft ein KĆ¼chengerƤt 1, insbesondere KĆ¼hl- und/oder GefriergerƤt, mit einem Innenraum 2, in welchem mindestens ein hƶhenverstellbarer TrƤger 3 zur Aufnahme von Waren 4 vorgesehen ist, wobei an dem KĆ¼chengerƤt 1 mindestens eine FĆ¼hrungsschiene 5, 6 und mindestens ein entlang der FĆ¼hrungsschiene 5, 6 gefĆ¼hrter Transportschlitten 12, 13 vorgesehen sind, wobei der Transportschlitten 12, 13 mit dem TrƤger 3 verbindbar und durch einen Antrieb 7 mit einer Hƶhenverstellung 10 hƶhenverstellbar ist. Die Erfindung zeichnet sich dadurch aus, dass Regalbƶden besonders einfach und bequem in ihrer Hƶhe verƤndert werden kƶnnen, ohne dass die Waren aus dem KĆ¼chengerƤt 1 herausgenommen werden mĆ¼ssen, wodurch die Bedienung des KĆ¼chengerƤts 1 besonders einfach gestaltet wird.The invention relates to a kitchen appliance 1, in particular refrigerator and / or freezer, with an interior 2, in which at least one height-
- 11
- KĆ¼chengerƤtkitchen appliance
- 22
- Innenrauminner space
- 3, 3'3, 3 '
- TrƤgercarrier
- 44
- WarenWere
- 55
- erste FĆ¼hrungsschienefirst guide rail
- 66
- zweite FĆ¼hrungsschienesecond guide rail
- 77
- Antriebdrive
- 88th
- erste Gewindespindelfirst threaded spindle
- 99
- zweite Gewindespindelsecond threaded spindle
- 1010
- Hƶhenverstellungheight adjustment
- 1111
- Koppelwellecoupling shaft
- 1212
- erster Transportschlittenfirst transport carriage
- 1313
- zweiter Transportschlittensecond transport carriage
- 1414
- drehungsĆ¼bertragende Verbindungrotation transmitting connection
- 1515
- Schneckenradsatzworm gear
- 1616
- erste Kupplungfirst clutch
- 1717
- Zugelementtension element
- 1818
- weiterer TrƤgeradditional carrier
- 1919
- Spritzschutzsplash guard
- 2020
- zweite elastische Kupplungsecond elastic coupling
- 2121
- RiemenĆ¼bertragungbelt transmission
- 2222
- Riemenbelt
- 2323
- erste Riemenscheibefirst pulley
- 2424
- zweite Riemenscheibesecond pulley
- 2525
- ZahnungPerforation
- 2626
- TĆ¼rdoor
- 2727
- Anschlagssensorstop sensor
- 2828
- Sicherheitssensorsecurity sensor
Claims (11)
- Kitchen appliance (1), particularly cooling and/or freezing appliance, with an interior space (2), in which at least one support (3) adjustable in height is provided for reception of articles (4), wherein at least two guide rails (5, 6) each with at least one transport carriage (12, 13) guided along the guide rail (5, 6) are provided at the kitchen appliance (1), characterised in that each of the guide rails (5, 6) has a rotatably mounted threaded spindle (8, 9) with which the transport carriage (12, 13) is in engagement, wherein each of the transport carriages (12, 13) is connectible with the support (3) and is adjustable in height by a drive (7) with a height adjustment (10) at which the two threaded spindles (8, 9) are disposed in rotation-transmitting connection (14) with one another by way of a coupling shaft (11), and that the rotation-transmitting connection (14) comprises at least one resilient first coupling (16).
- Appliance (1) according to claim 1, characterised in that the coupling shaft (11) is connected with at least one of the two threaded spindles (8, 9) by way of a worm wheel set (15).
- Appliance (1) according to claim 1 or 2, characterised in that the coupling shaft (11) is connected with at least one of the two threaded spindles (8, 9) by way of a bevel wheel pair, bevel helical wheel pair or spur wheel pair.
- Appliance (1) according to any one of the preceding claims, characterised in that the support (3) is detachably fastenable to the transport carriages (12, 13).
- Appliance (1) according to any one of the preceding claims, characterised in that a further support (18) can be fastened to the guide rails (5, 6).
- Appliance (1) according to any one of the preceding claims, characterised in that the guide rails (5, 6) have spray protection means (19).
- Appliance (1) according to any one of the preceding claims, characterised in that the drive (7) is connected in rotation-transmitting manner with the height adjustment (10) by way of a second resilient coupling (20).
- Appliance (1) according to claim 7, characterised in that the second resilient coupling (20) comprises a belt transmission (21) with a belt (22) and two belt pulleys (23, 24).
- Appliance (1) according to claim 8, characterised in that the translation ratio of the belt transmission is at least 1.5:1, particularly at least 2:1, preferably at least 4:1.
- Appliance (1) according to any one of the preceding claims, characterised in that at least one abutment sensor (27) is provided at the guide rails (5, 6).
- Appliance (1) according to any one of the preceding claims, characterised in that a safety sensor (28) is provided.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005057148A DE102005057148A1 (en) | 2005-11-30 | 2005-11-30 | Kitchen appliance with height-adjustable shelf |
PCT/EP2006/067550 WO2007062913A1 (en) | 2005-11-30 | 2006-10-18 | Kitchen device with height adjustable shelving system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1957919A1 EP1957919A1 (en) | 2008-08-20 |
EP1957919B1 true EP1957919B1 (en) | 2010-12-29 |
Family
ID=37909763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06807382A Active EP1957919B1 (en) | 2005-11-30 | 2006-10-18 | Kitchen device with height adjustable shelving system |
Country Status (8)
Country | Link |
---|---|
US (1) | US8485618B2 (en) |
EP (1) | EP1957919B1 (en) |
CN (1) | CN101317065B (en) |
AT (1) | ATE493622T1 (en) |
DE (2) | DE102005057148A1 (en) |
ES (1) | ES2356775T3 (en) |
RU (1) | RU2419048C2 (en) |
WO (1) | WO2007062913A1 (en) |
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WO2014102296A2 (en) * | 2012-12-27 | 2014-07-03 | Arcelik Anonim Sirketi | An oven |
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-
2005
- 2005-11-30 DE DE102005057148A patent/DE102005057148A1/en not_active Withdrawn
-
2006
- 2006-10-18 RU RU2008122414/21A patent/RU2419048C2/en not_active IP Right Cessation
- 2006-10-18 EP EP06807382A patent/EP1957919B1/en active Active
- 2006-10-18 ES ES06807382T patent/ES2356775T3/en active Active
- 2006-10-18 CN CN200680044514.0A patent/CN101317065B/en not_active Expired - Fee Related
- 2006-10-18 US US12/085,075 patent/US8485618B2/en active Active
- 2006-10-18 AT AT06807382T patent/ATE493622T1/en active
- 2006-10-18 DE DE502006008629T patent/DE502006008629D1/en active Active
- 2006-10-18 WO PCT/EP2006/067550 patent/WO2007062913A1/en active Application Filing
Also Published As
Publication number | Publication date |
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EP1957919A1 (en) | 2008-08-20 |
DE102005057148A1 (en) | 2007-06-06 |
RU2008122414A (en) | 2010-01-10 |
ATE493622T1 (en) | 2011-01-15 |
ES2356775T3 (en) | 2011-04-13 |
DE502006008629D1 (en) | 2011-02-10 |
CN101317065A (en) | 2008-12-03 |
CN101317065B (en) | 2015-11-25 |
US8485618B2 (en) | 2013-07-16 |
WO2007062913A1 (en) | 2007-06-07 |
RU2419048C2 (en) | 2011-05-20 |
US20090261704A1 (en) | 2009-10-22 |
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Legal Events
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