EP2862807B1 - Vacuum drawer and kitchen furniture - Google Patents

Vacuum drawer and kitchen furniture Download PDF

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Publication number
EP2862807B1
EP2862807B1 EP14182209.8A EP14182209A EP2862807B1 EP 2862807 B1 EP2862807 B1 EP 2862807B1 EP 14182209 A EP14182209 A EP 14182209A EP 2862807 B1 EP2862807 B1 EP 2862807B1
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EP
European Patent Office
Prior art keywords
drawer
vacuum
vacuum chamber
chamber
closure
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EP14182209.8A
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German (de)
French (fr)
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EP2862807A8 (en
EP2862807A1 (en
Inventor
Stefan Bocks
Robert Kofler
Alexander Weweck
Florian Harlander
Peter Kopfensteiner
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Michatek KS
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Michatek KS
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/02—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
    • B65B31/024—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas specially adapted for wrappers or bags

Definitions

  • the invention relates to a vacuum drawer for vacuuming food with a closable vacuum chamber, a vacuum pump and arranged within the vacuum chamber welding bar for welding a container inserted into the chamber.
  • Vacuum sealers comprise a vacuum chamber into which a suitable container, for example in the form of a sealable bag, is inserted. Within the chamber extends a welding bar, which is vertically adjustable in the vertical direction. The container filled with food is placed in the vacuum chamber, which is then hermetically sealed via a lid in order to generate a chamber vacuum by means of a vacuum pump.
  • the air can also be sucked out of the container. Afterwards, the sealing bar is adjusted in height and the bag is clamped between the welding bar and the counterpart. The bag is sealed via the supplied welding energy.
  • the EP 2 062 823 A1 shows a conventional vacuum drawer, in which the vacuum chamber is fully retractable into the drawer body.
  • the lid of the chamber must be manually operated before closing or retracting the drawer extension.
  • the EP 2 143 642 A1 shows a tray sealing machine.
  • the vacuum chamber is formed by two vacuum chamber parts, which are moved towards each other via a spindle drive and thereby sealed airtight.
  • the object of the present invention pursues the aim of improving the handling of a vacuum drawer and to reduce the risk of collision mentioned. This object is achieved by a vacuum drawer according to the features of claim 1.
  • Advantageous embodiments of the vacuum drawer are the subject of the dependent claims 2 to 7.
  • a vacuum drawer for vacuuming food with a closable vacuum chamber is proposed.
  • the vacuum chamber is arranged on the drawer extension, so that the chamber volume is accessible to the user after removing the drawer.
  • the vacuum drawer has a vacuum pump for generating a vacuum within the vacuum chamber and optionally at least one welding bar arranged inside the vacuum chamber for welding a container inserted into the chamber, in particular in the form of a flexible sealable bag.
  • the drawer is designed in such a way that the vacuum chamber is automatically opened when the drawer is pulled out and automatically closed airtight when the drawer is inserted. This eliminates the additional step of opening the vacuum chamber so that the user has direct access to the vacuum chamber immediately after the drawer extension is removed and can place the bag therein.
  • the vacuum chamber is automatically hermetically sealed when retracting the drawer, so that Vakuumierhou are minimized due to an improperly sealed vacuum chamber.
  • the vacuum chamber closure can either be a separate cover part, which is arranged on the drawer extension or alternatively on the drawer housing. Alternatively, it is conceivable to use a suitable closure surface of the drawer housing as a vacuum chamber closure. When closing the vacuum drawer the lid part or the closure surface are assembled with the opening edge of the vacuum chamber, so that an airtight chamber volume is formed, which includes the bag to be sealed.
  • the vacuum chamber closure partially or completely remains when opening the drawer in the drawer housing. This is the case, in particular, if a closure surface of the drawer housing is used as the vacuum chamber closure.
  • a separate cover part can be arranged inside the drawer housing, in particular firmly fastened inside the drawer housing, particularly preferably on the inside of an upper housing cover. Due to the whereabouts of the vacuum chamber closure within the drawer housing, the risk of collision of the vacuum chamber closure is reduced, in particular when the lid position is open. Often, more devices are arranged in a kitchenette above the vacuum drawer, so that there would be a risk of collision between the open vacuum chamber lid and these devices. In addition, damage may occur if the drawer is accidentally retracted with the lid open position in the drawer housing. These disadvantages can be avoided by the advantageous embodiment.
  • the vacuum chamber is driven solely by the retraction movement of the drawer against the vacuum chamber closure. Between the vacuum chamber closure and the edge of the chamber, preferably between the cover seal and the chamber edge, strong friction forces occur during retraction.
  • the vacuum chamber is mounted floating on the drawer extension, thereby creating a further degree of freedom for a relative movement relative to the vacuum chamber closure.
  • the chamber can be moved in an additional direction relative to the vacuum chamber closure, preferably transversely to the direction of insertion.
  • the vacuum chamber is movable perpendicular to the insertion direction, ie in the vertical direction, so that it is in the direction of that on the upper housing cover arranged closure surface or lid part is movable. It is conceivable that the vacuum chamber rests loosely on the edge of suitable stop surfaces of the drawer extension.
  • the displacement of the floating vacuum chamber is carried out by one or more lifting means in the drawer housing, which automatically raise the vacuum chamber when retracting the drawer extension, in particular lift in the direction of the cover part or the closure surface. When the drawer is extended, the vacuum chamber lowers automatically.
  • Such lifting means are designed wedge-like.
  • the vacuum chamber is pushed onto the one or more wedges arranged on the base side and thereby lifted vertically upwards in the direction of the cover part or the closure surface.
  • one or more fixing means may be provided within the vacuum chamber.
  • one or more fixing means are designed in the form of a sealing lip, in particular in the form of a rubber lip, over which the container or the bag is clamped and slipping of the bag opening is prevented during the insertion and Ausfahrvorgangs.
  • the container or the bag can be held via one or more magnets at a corresponding position within the vacuum chamber. It is conceivable that these magnets integrated in the welding bar and the bag is thus fixable on the welding bar.
  • the container or the bag in this case have suitable magnetizable materials.
  • the sealing plane of the vacuum closure in particular a silicone seal, which allows an airtight closure between the vacuum closure and the vacuum chamber, is obliquely aligned, in particular inclined to the direction of retraction and extension of the drawer. In this way, the friction between the silicone seal and the vacuum chamber during retraction and extension can also be reduced and still an airtight closure can be achieved with retracted drawer.
  • the present invention is also directed to the use of a vacuum drawer according to the present invention or an advantageous embodiment of the present invention for a piece of furniture, in particular for a kitchen furniture.
  • the piece of furniture or the kitchen furniture obviously has the same advantages and properties as the vacuum drawer according to the invention, which is why a repeated description is omitted here.
  • the invention relates to a kitchen furniture with a vacuum drawer according to the present invention or an advantageous embodiment of the invention. Also for this case, the kitchen furniture obviously has the same advantages and properties as the vacuum drawer according to the invention.
  • FIGS. 1a . b . c . d show perspective side views of the vacuum drawer according to the invention for a kitchen furniture.
  • the drawer shown has an installation height of only 140 mm and corresponds to the standard size of fitted kitchens.
  • the illustrated vacuum drawer comprises a drawer extension 12, which is guided longitudinally displaceably in a drawer body 11 via lateral guide rails 13.
  • the front cover of the drawer extension 12 has a handle for extending and retracting the drawer 12 into the body 11.
  • FIG. 1a . 1b show the vacuum drawer with closed drawer extension 11, in the FIGS. 1c . 1d the drawer extension 11 is extended, however.
  • FIG. 1b . 1d the housing with the cover open.
  • the drawer extension 11 receives the vacuum chamber 20 over the entire surface measure.
  • a vacuum pump 21 which is fluidically coupled to the vacuum chamber 20 and can pump out the air from the chamber 20 for vacuum generation.
  • the vacuum pump 21 is attached to the bottom of the drawer body 11 and remains when pulling the drawer extension 11 in the body 12th
  • the vacuum chamber 20 can be hermetically sealed with a cover 22, so that via the vacuum pump 21, the necessary vacuum within the closed vacuum chamber 20 can be generated.
  • the separate cover part 22 remains when pulling out the drawer extension 11 in the housing 12, as in particular the Figure 1d can be seen.
  • the cover 22 is fixed within the housing 11, for example on the inside of the upper housing cover and / or on corresponding profiles of the housing side walls.
  • an inserted bag is provided within the vacuum chamber 20 welding bar 30 which extends in the drawer insertion direction over the entire chamber width.
  • the bag filled with food is placed in the chamber 20 for vacuuming, wherein the bag is deposited on the welding bar and the bag opening projects beyond the welding bar 30 towards the edge of the chamber.
  • the in FIG. 2 apparent rubber lip 26 is provided.
  • the rubber lip 26 is seated on the welding bar 30 facing chamber edge and serves to clamp the bag on the rubber lip 26.
  • the vacuum chamber 20 When retracting the drawer 12, the vacuum chamber 20 is automatically hermetically sealed in the housing 11 by means of the cover member 22 and generated by means of the pump 21, a vacuum within the vacuum chamber 20.
  • the welding bar 30 As soon as the air has been completely pumped off, the welding bar 30 is guided in the direction of the cover part 22 and pressed against a welding mat 31 provided on the cover part 22.
  • the bag By supplying the required welding energy, for example by heating wire driven in the welding bar 30, the bag can be sealed and airtight be closed.
  • the drawer 11 After lowering the welding bar 30, the drawer 11 can be moved out of the housing, the cover part remaining in the housing again.
  • FIG. 3a shows the vacuum drawer with extended drawer extension 12, the vacuum tank 20 is exposed.
  • the vacuum tank lid 22 abuts against the inner surface of the cover of the drawer housing 11.
  • the vacuum pump 21 also remains in the rear area of the drawer housing 11.
  • the two wedges 14, 15 are arranged, wherein the dimensioning of the rear wedge 15 is selected to be larger, whereby its inclined plane protrudes higher than the wedge 14 in the drawer housing space.
  • the bottom 27 of the vacuum chamber 20 has below the welding bar 30 a paragraph 23 to accommodate the two Vakuumierzylinder 40, 41 below the paragraph 23.
  • the piston rods of the vacuuming cylinders 40, 41 extend through the base 23 to the welding bar 30 and are in operative connection therewith.
  • the welding bar 30 can be displaced vertically in both directions in order to press it against the welding mat 31 on the vacuum chamber lid 22 when the vacuum chamber 20 is closed.
  • a molding 25 is also provided, which is located at retracted drawer at the height of the first wedge 14 of the drawer housing 11.
  • the entire vacuum chamber 20 is floatingly mounted, whereby it is movable perpendicular to the direction of drawer insertion or extension in the direction of the cover part 22 is. Specifically, the chamber 20 is on the edge on corresponding horizontal abutment surfaces 16 of the drawer extension 11 loose. The stop surface extends over the entire circumference of the chamber 20, which is not absolutely necessary. Alternatively, this could only partially extend around the chamber circumference or only individual sliders are used.
  • FIG. 3b shows the vacuum drawer with retracted drawer extension 12.
  • the first wedge 14 is dimensioned so that the bottom 27 of the vacuum chamber 20 slides over when passing over the upper edge of the first wedge 14 without contact. If the vacuum drawer pushed further, the vacuum chamber bottom 27 abuts the upper edge of the wedge 15 and is pressed by this in the direction of the vacuum chamber cover 22. At the same time, the molding 25 of the vacuum chamber bottom 27 abuts against the upper edge of the first wedge 14.
  • the vacuum chamber 20 is uniformly pressed by both wedges 14, 15 vertically in the direction of the vacuum chamber cover 22, so that the silicone seal 24 of the lid 22 rests against the outer vacuum chamber edge and closes the chamber 20 airtight.
  • a vacuum is created in the chamber 20 by the vacuum pump 21.
  • the sealing bar is pressed against the welding mat 31 of the cover part 22 via the two vacuuming cylinders 40, 41.
  • the bar 30 is brought to the required welding temperature and the bag opening in the area of the welding bar 30 is sealed.
  • the drawer 12 can be opened and remove the vacuum bag conveniently.
  • the bag is fixed by both the insertion and the extension of the drawer 12 by means of the rubber lip 26.
  • FIGS. 4a . 4b A slightly different embodiment of the vacuum drawer according to the invention is the FIGS. 4a . 4b refer to.
  • the execution of FIGS. 4a . 4b corresponds to in much of the design of the FIGS. 3a . 3b , which is illustrated by the common reference numerals.
  • additional magnets 32 are provided in the welding bar 30, which hold the inserted container / bag during the opening and closing of the drawer 12 in the necessary Vakuumierposition by means of magnetic interaction.
  • the bag in the region of the bag opening comprises a magnetizable material.
  • the bag could also be fixed to the welding bar 30 or other component within the vacuum chamber 20 with separate magnets. In this case, the bag need not contain any magnetizable material.
  • electromagnets could alternatively be implemented, by whose magnetic force a movement of the welding bar 30 for welding a bag could be achieved.
  • electromagnets is from the non-prepublished patent DE 10 2013 014 656 to which reference is made in full in this context.

Description

Die Erfindung betrifft eine Vakuumschublade zum Vakuumieren von Lebensmitteln mit einer verschliessbaren Vakuumkammer, einer Vakuumpumpe und einen innerhalb der Vakuumkammer angeordneten Schweißbalken zum Verschweißen eines in die Kammer eingelegten Behältnisses.The invention relates to a vacuum drawer for vacuuming food with a closable vacuum chamber, a vacuum pump and arranged within the vacuum chamber welding bar for welding a container inserted into the chamber.

Vakuumiergeräte umfassen eine Vakuumkammer, in die ein geeignetes Behältnis, beispielsweise in Form eines versiegelbaren Beutels, eingelegt wird. Innerhalb der Kammer erstreckt sich ein Schweißbalken, der in vertikaler Richtung höhenverstellbar ist. Das mit Lebensmitteln befüllte Behältnis wird in die Vakuumkammer eingelegt, diese im Anschluss über einen Deckel luftdicht verschlossen wird, um mittels einer Vakuumpumpe ein Kammervakuum zu erzeugen.Vacuum sealers comprise a vacuum chamber into which a suitable container, for example in the form of a sealable bag, is inserted. Within the chamber extends a welding bar, which is vertically adjustable in the vertical direction. The container filled with food is placed in the vacuum chamber, which is then hermetically sealed via a lid in order to generate a chamber vacuum by means of a vacuum pump.

Da der Schweißbalken zunächst in geöffneter Stellung positioniert ist, kann auch die Luft aus dem Behältnis abgesaugt werden. Im Anschluss wird der Schweißbalken höhenverstellt und der Beutel zwischen Schweißbalken und Gegenstelle eingeklemmt. Über die zugeführte Schweißenergie wird der Beutel versiegelt.Since the welding bar is initially positioned in the open position, the air can also be sucked out of the container. Afterwards, the sealing bar is adjusted in height and the bag is clamped between the welding bar and the counterpart. The bag is sealed via the supplied welding energy.

Aus der nicht vorveröffentlichten Patentschrift DE 10 2013 014 656 ist es bekannt, ein derartiges Vakuumiergerät in eine Schublade zu integrieren. In der darin beschriebenen Ausgestaltung muss der Vakuumdeckel manuell betätigt werden. Zudem besteht die Gefahr, dass der geöffnete Vakuumkammerdeckel mit darüber angeordneten Geräten des Küchenmöbels kollidieren kann.From the non-prepublished patent DE 10 2013 014 656 It is known to integrate such a Vakuumiergerät in a drawer. In the embodiment described therein, the vacuum cover must be manually operated. In addition, there is a risk that the open vacuum chamber lid may collide with devices arranged above the kitchen furniture.

Aus der WO 2010/0396266 A1 ist eine Vorrichtung zur Sterilisation und anschließender Vakuumierung von beliebigen Gegenständen bekannt. Eine Betätigung der Klappe zum Verschluss einer Vakuumkammer erfolgt manuell durch den Nutzer.From the WO 2010/0396266 A1 a device for sterilization and subsequent vacuuming of any objects is known. An actuation of the flap to close a vacuum chamber is done manually by the user.

Aus der US 8,327,606 B2 ist ein ähnlich aufgebautes Gerät zum Sterilisieren und Vakuumieren von eingelegten Gegenständen bekannt. Beim Einfahren der Schublade in das Gehäuse werden die offenen Beutelränder mit Hilfe von zwei Klemmen gegen eine Art Schnorchel zum Absaugen der Luft innerhalb des Beutels geklemmt. Hier wird also lediglich der Beutel über eine entsprechende Schlauchverbindung vakuumiert.From the US 8,327,606 B2 is a similarly constructed device for sterilizing and vacuuming of inserted objects known. When retracting the drawer into the housing, the open bag edges are clamped by means of two clamps against a type of snorkel to suck the air inside the bag. Here, therefore, only the bag is vacuum-sealed via a corresponding hose connection.

Die EP 2 062 823 A1 zeigt eine konventionelle Vakuumschublade, bei dem die Vakuumkammer vollständig in den Schubladenkorpus einfahrbar ist. Der Deckel der Kammer muss vor dem Verschließen bzw. Einfahren des Schubladenauszuges manuell betätigt werden.The EP 2 062 823 A1 shows a conventional vacuum drawer, in which the vacuum chamber is fully retractable into the drawer body. The lid of the chamber must be manually operated before closing or retracting the drawer extension.

Die EP 2 143 642 A1 zeigt eine Schalenversiegelungsmaschine. Die Vakuumkammer wird durch zwei Vakuumkammerteile gebildet, die über einen Spindelantrieb aufeinander zu bewegt und dadurch luftdicht verschlossen werden.The EP 2 143 642 A1 shows a tray sealing machine. The vacuum chamber is formed by two vacuum chamber parts, which are moved towards each other via a spindle drive and thereby sealed airtight.

Eine ähnliche Schalenversiegelungsmaschine ist aus der US 2012/0159898 A1 bekannt.A similar tray sealing machine is from the US 2012/0159898 A1 known.

Die Aufgabe der vorliegenden Erfindung verfolgt das Ziel, die Handhabung einer Vakuumschublade zu verbessern und die genannte Kollisionsgefahr zu reduzieren. Diese Aufgabe wird durch eine Vakuumschublade gemäß den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausgestaltungen der Vakuumschublade sind Gegenstand der abhängigen Ansprüche 2 bis 7.The object of the present invention pursues the aim of improving the handling of a vacuum drawer and to reduce the risk of collision mentioned. This object is achieved by a vacuum drawer according to the features of claim 1. Advantageous embodiments of the vacuum drawer are the subject of the dependent claims 2 to 7.

Entsprechend wird eine Vakuumschublade zum Vakuumieren von Lebensmitteln mit einer verschliessbaren Vakuumkammer vorgeschlagen. Die Vakuumkammer ist dabei am Schubladenauszug angeordnet, sodass das Kammervolumen nach dem Ausziehen der Schublade für den Benutzer zugänglich ist. Zudem weist die Vakuumschublade eine Vakuumpumpe zur Erzeugung eines Vakuums innerhalb der Vakuumkammer auf und optional wenigstens einen innerhalb der Vakuumkammer angeordneten Schweißbalken zum Verschweißen eines in die Kammer eingelegten Behältnisses, insbesondere in Form eines flexiblen versiegelbaren Beutels. Erfindungsgemäß ist nunmehr vorgesehen, dass die Schublade derart ausgeführt ist, sodass die Vakuumkammer beim Ausziehen der Schublade automatisch geöffnet und beim Einschieben der Schublade automatisch luftdicht verschlossen wird. Damit entfällt der zusätzliche Schritt des Öffnens der Vakuumkammer, sodass der Benutzer direkt nach dem Ausziehen des Schubladenauszuges direkten Zugang zur Vakuumkammer hat und den Beutel darin platzieren kann.Accordingly, a vacuum drawer for vacuuming food with a closable vacuum chamber is proposed. The vacuum chamber is arranged on the drawer extension, so that the chamber volume is accessible to the user after removing the drawer. In addition, the vacuum drawer has a vacuum pump for generating a vacuum within the vacuum chamber and optionally at least one welding bar arranged inside the vacuum chamber for welding a container inserted into the chamber, in particular in the form of a flexible sealable bag. According to the invention, it is now provided that the drawer is designed in such a way that the vacuum chamber is automatically opened when the drawer is pulled out and automatically closed airtight when the drawer is inserted. This eliminates the additional step of opening the vacuum chamber so that the user has direct access to the vacuum chamber immediately after the drawer extension is removed and can place the bag therein.

Weiterhin wird die Vakuumkammer beim Einfahren der Schublade automatisch luftdicht verschlossen, sodass Vakuumierfehler aufgrund einer nicht ordnungsgemäß verschlossenen Vakuumkammer minimiert werden.Furthermore, the vacuum chamber is automatically hermetically sealed when retracting the drawer, so that Vakuumierfehler are minimized due to an improperly sealed vacuum chamber.

Der Vakuumkammerverschluss kann entweder ein gesonderter Deckelteil sein, der am Schubladenauszug oder alternativ am Schubladengehäuse angeordnet ist. Alternativ ist es denkbar, eine geeignete Verschlussfläche des Schubladengehäuses als Vakuumkammerverschluss zu nutzen. Beim Verschliessen der Vakuumschublade werden der Deckelteil oder die Verschlussfläche mit dem Öffnungsrand der Vakuumkammer zusammengesetzt, sodass ein luftdichtes Kammervolumen entsteht, das den zu versiegelnden Beutel beinhaltet.The vacuum chamber closure can either be a separate cover part, which is arranged on the drawer extension or alternatively on the drawer housing. Alternatively, it is conceivable to use a suitable closure surface of the drawer housing as a vacuum chamber closure. When closing the vacuum drawer the lid part or the closure surface are assembled with the opening edge of the vacuum chamber, so that an airtight chamber volume is formed, which includes the bag to be sealed.

In der Erfindung verbleibt der Vakuumkammerverschluss teilweise oder vollständig beim Öffnen der Schublade im Schubladengehäuse. Dies ist insbesondere dann der Fall, wenn als Vakuumkammerverschluss eine Verschlussfläche des Schubladengehäuses genutzt wird. Alternativ kann ein separates Deckelteil innerhalb des Schubladengehäuses angeordnet sein, insbesondere fest innerhalb des Schubladengehäuses, besonders bevorzugt an der Innenseite einer oberen Gehäuseabdeckung zu befestigen. Durch den Verbleib des Vakuumkammerverschlusses innerhalb des Schubladengehäuses wird die Kollisionsgefahr des Vakuumkammerverschlusses, insbesondere bei geöffneter Deckelstellung reduziert. Oftmals sind überhalb der Vakuumschublade weitere Geräte in einer Küchenzeile angeordnet, so dass eine Kollisionsgefahr zwischen dem geöffneten Vakuumkammerdeckel und diesen Geräten bestehen würden. Zudem können Beschädigungen auftreten, wenn die Schublade aus Versehen bei geöffneter Deckelstellung in das Schubladengehäuse eingefahren wird. Diese Nachteile können durch die vorteilhafte Ausgestaltung vermieden werden.In the invention, the vacuum chamber closure partially or completely remains when opening the drawer in the drawer housing. This is the case, in particular, if a closure surface of the drawer housing is used as the vacuum chamber closure. Alternatively, a separate cover part can be arranged inside the drawer housing, in particular firmly fastened inside the drawer housing, particularly preferably on the inside of an upper housing cover. Due to the whereabouts of the vacuum chamber closure within the drawer housing, the risk of collision of the vacuum chamber closure is reduced, in particular when the lid position is open. Often, more devices are arranged in a kitchenette above the vacuum drawer, so that there would be a risk of collision between the open vacuum chamber lid and these devices. In addition, damage may occur if the drawer is accidentally retracted with the lid open position in the drawer housing. These disadvantages can be avoided by the advantageous embodiment.

Denkbar ist es, dass die Vakuumkammer alleindurch die Einfahrbewegung der Schublade gegen den Vakuumkammerverschluss gefahren wird. Zwischen Vakuumkammerverschluss und Kammerrand, bevorzugt zwischen Deckeldichtung und Kammerrand, treten während des Einfahrens starke Reibungskräfte auf. In einer besonders bevorzugten Ausgestaltung der Erfindung ist es deshalb vorgesehen, dass die Vakuumkammer schwimmend am Schubladenauszug gelagert ist, um dadurch einen weiteren Freiheitsgrad für eine Relativbewegung gegenüber dem Vakuumkammerverschluss zu schaffen. Neben der Relativbewegung in Einschubrichtung kann die Kammer in einer zusätzlich Richtung gegenüber dem Vakuumkammerverschluss, vorzugsweise quer zur Einschubrichtung bewegt werden. Ins- besondere ist die Vakuumkammer senkrecht zur Einschubrichtung, d.h. in Vertikalrichtung, bewegbar, sodass diese in Richtung der an der oberen Gehäuseabdeckung angeordneten Verschlussfläche bzw. Deckelteils bewegbar ist. Denkbar ist es, dass die Vakuumkammer randseitig auf geeigneten Anschlagflächen des Schubladenauszuges lose aufliegt.It is conceivable that the vacuum chamber is driven solely by the retraction movement of the drawer against the vacuum chamber closure. Between the vacuum chamber closure and the edge of the chamber, preferably between the cover seal and the chamber edge, strong friction forces occur during retraction. In a particularly preferred embodiment of the invention, it is therefore provided that the vacuum chamber is mounted floating on the drawer extension, thereby creating a further degree of freedom for a relative movement relative to the vacuum chamber closure. In addition to the relative movement in the direction of insertion, the chamber can be moved in an additional direction relative to the vacuum chamber closure, preferably transversely to the direction of insertion. In particular, the vacuum chamber is movable perpendicular to the insertion direction, ie in the vertical direction, so that it is in the direction of that on the upper housing cover arranged closure surface or lid part is movable. It is conceivable that the vacuum chamber rests loosely on the edge of suitable stop surfaces of the drawer extension.

Die Verlagerung der schwimmend gelagerten Vakuumkammer erfolgt durch ein oder mehrere Hebemittel im Schubladengehäuse, die beim Einfahren des Schubladenauszugs die Vakuumkammer automatisch anheben, insbesondere in Richtung des Deckelteils beziehungsweise der Verschlussfläche anheben. Beim Ausfahren der Schublade senkt sich die Vakuumkammer automatisch.The displacement of the floating vacuum chamber is carried out by one or more lifting means in the drawer housing, which automatically raise the vacuum chamber when retracting the drawer extension, in particular lift in the direction of the cover part or the closure surface. When the drawer is extended, the vacuum chamber lowers automatically.

Derartige Hebemittel sind keilartig ausgeführt. Die Vakuumkammer wird beim Einfahren der Schublade auf die ein oder mehreren bodenseitig angeordneten Keile aufgeschoben und dadurch vertikal nach oben in Richtung des Deckelteils bzw. der Verschlussfläche angehoben.Such lifting means are designed wedge-like. When the drawer is retracted, the vacuum chamber is pushed onto the one or more wedges arranged on the base side and thereby lifted vertically upwards in the direction of the cover part or the closure surface.

Durch die schwimmende Lagerung der Vakuumkammer und das nachfolgende Anheben in Richtung des Deckelteils bzw. der Verschlussfläche lassen sich die auftretenden Reibungskräfte während der Einschubbewegung reduzieren. Gleiches gilt für die Ausschubbewegung der Schublade.Due to the floating mounting of the vacuum chamber and the subsequent lifting in the direction of the cover part or the closure surface, the frictional forces occurring during the insertion movement can be reduced. The same applies to the ejection movement of the drawer.

Damit das Vakuumierbehältnis beim Schliessen oder Öffnen der Schublade in der gewünschten Position für die Vakuumierung verbleibt können ein oder mehrere Fixierungsmittel innerhalb der Vakuumkammer vorgesehen sein.So that the Vakuumierbehältnis remains when closing or opening the drawer in the desired position for the vacuuming one or more fixing means may be provided within the vacuum chamber.

Denkbar ist es, dass ein oder mehrere Fixierungsmittel in Form einer Dichtungslippe, insbesondere in Form einer Gummilippe ausgeführt sind, über die das Behältnis bzw. der Beutel klemmbar ist und ein Verrutschen der Beutelöffnung während des Ein- und Ausfahrvorgangs verhindert wird.It is conceivable that one or more fixing means are designed in the form of a sealing lip, in particular in the form of a rubber lip, over which the container or the bag is clamped and slipping of the bag opening is prevented during the insertion and Ausfahrvorgangs.

Alternativ oder zusätzlich kann das Behältnis bzw. der Beutel über ein oder mehrere Magnete an einer entsprechenden Position innerhalb der Vakuumkammer gehalten werden. Denkbar ist es, dass diese Magnete in den Schweißbalken integriert sind und der Beutel folglich auf dem Schweißbalken fixierbar ist. Das Behältnis bzw. der Beutel weisen in diesem Fall geeignete magnetisierbare Materialien auf.Alternatively or additionally, the container or the bag can be held via one or more magnets at a corresponding position within the vacuum chamber. It is conceivable that these magnets integrated in the welding bar and the bag is thus fixable on the welding bar. The container or the bag in this case have suitable magnetizable materials.

Denkbar ist auch eine Integration eines Klemmbalkens, der das Behältnis bzw. den Beutel in der gewünschten Position innerhalb der Vakuumkammer fixiert.It is also conceivable integration of a clamping bar, which fixes the container or the bag in the desired position within the vacuum chamber.

In einer alternativen Ausführungsform der vorliegenden Erfindung kann vorgesehen sein, dass die Dichtungsebene des Vakuumverschlusses, insbesondere eine Silikondichtung, die ein luftdichtes Verschliessen zwischen dem Vakuumverschluss und der Vakuumkammer ermöglicht, schräg ausgerichtet ist, insbesondere geneigt zur Ein- und Ausfahrrichtung der Schublade. Auf diese Weise kann die Reibung zwischen Silikondichtung und Vakuumkammer beim Ein- und Ausfahren ebenfalls reduziert werden und dennoch ein luftdichter Verschluss bei eingefahrener Schublade erreicht werden.In an alternative embodiment of the present invention, it may be provided that the sealing plane of the vacuum closure, in particular a silicone seal, which allows an airtight closure between the vacuum closure and the vacuum chamber, is obliquely aligned, in particular inclined to the direction of retraction and extension of the drawer. In this way, the friction between the silicone seal and the vacuum chamber during retraction and extension can also be reduced and still an airtight closure can be achieved with retracted drawer.

Die vorliegende Erfindung ist zudem auf die Verwendung einer Vakuumschublade gemäß der vorliegenden Erfindung bzw. einer vorteilhaften Ausgestaltung der vorliegenden Erfindung für ein Möbelstück, insbesondere für ein Küchenmöbel gerichtet. Das Möbelstück beziehungsweise das Küchenmöbel weist offensichtlich dieselben Vorteile und Eigenschaften wie die erfindungsgemäße Vakuumschublade auf, weshalb an dieser Stelle auf eine widerholende Beschreibung verzichtet wird.The present invention is also directed to the use of a vacuum drawer according to the present invention or an advantageous embodiment of the present invention for a piece of furniture, in particular for a kitchen furniture. The piece of furniture or the kitchen furniture obviously has the same advantages and properties as the vacuum drawer according to the invention, which is why a repeated description is omitted here.

Weiterhin betrifft die Erfindung ein Küchenmöbel mit einer Vakuumschublade gemäß der vorliegenden Erfindung bzw. einer vorteilhaften Ausgestaltung der Erfindung. Auch für diesen Fall weist das Küchenmöbel offensichtlich dieselben Vorteile und Eigenschaften auf, wie die erfindungsgemäße Vakuumschublade.Furthermore, the invention relates to a kitchen furniture with a vacuum drawer according to the present invention or an advantageous embodiment of the invention. Also for this case, the kitchen furniture obviously has the same advantages and properties as the vacuum drawer according to the invention.

Weitere Vorteile und Eigenschaften der Erfindung sollen im Folgenden anhand der in den Zeichnungen dargestellten Ausführungsbeispiele für eine Vakuumschublade erläutert werden. Es zeigen:

Fig. 1:
vier isometrische Darstellungen der erfindungsgemäßen Vakuumschublade mit ein- und ausgefahrener Schublade und geöffneter bzw. geschlossener Gehäuseabdeckung,
Fig. 2:
eine Draufsicht auf die erfindungsgemäße Vakuumschublade,
Fig. 3:
zwei Schnittdarstellungen der Vakuumschublade mit ausgefahrener sowie geschlossener Schublade und
Fig. 4:
zwei weitere Schnittdarstellungen der erfindungsgemäßen Vakuumschublade gemäß einer alternativen Ausgestaltung mit ausgefahrener und geschlossener Schublade.
Further advantages and features of the invention will be explained below with reference to the embodiments shown in the drawings for a vacuum drawer. Show it:
Fig. 1:
four isometric views of the vacuum drawer according to the invention with retracted and extended drawer and open or closed housing cover,
Fig. 2:
a plan view of the vacuum drawer according to the invention,
3:
two sectional views of the vacuum drawer with extended and closed drawer and
4:
two further sectional views of the vacuum drawer according to the invention according to an alternative embodiment with extended and closed drawer.

Die vier Figuren 1a, b, c, d zeigen perspektivische Seitenansichten der erfindungsgemäßen Vakuumschublade für ein Küchenmöbel. Die dargestellte Schublade hat eine Einbauhöhe von nur 140 mm und entspricht dem Normmaß von Einbauküchen.The four FIGS. 1a . b . c . d show perspective side views of the vacuum drawer according to the invention for a kitchen furniture. The drawer shown has an installation height of only 140 mm and corresponds to the standard size of fitted kitchens.

Die dargestellte Vakuumschublade umfasst einen Schubladenauszug 12, der in einem Schubladenkorpus 11 über seitliche Führungsschienen 13 längsverschieblich geführt ist. Die Frontabdeckung des Schubladenauszuges 12 weist einen Griff zum Ein- und Ausfahren der Schublade 12 in den Korpus 11 auf.The illustrated vacuum drawer comprises a drawer extension 12, which is guided longitudinally displaceably in a drawer body 11 via lateral guide rails 13. The front cover of the drawer extension 12 has a handle for extending and retracting the drawer 12 into the body 11.

Die beiden Figur 1a, 1b zeigen die Vakuumschublade mit geschlossenem Schubladenauszug 11, in den Figuren 1c, 1d ist der Schubladenauszug 11 hingegen ausgefahren. Für eine bessere Einsicht in das Schubladengehäuse 12 zeigen die Figur 1b, 1d das Gehäuse jeweils mit geöffneter Abdeckung.The two FIG. 1a . 1b show the vacuum drawer with closed drawer extension 11, in the FIGS. 1c . 1d the drawer extension 11 is extended, however. For a better insight into the drawer housing 12 show the FIG. 1b . 1d the housing with the cover open.

Der Schubladenauszug 11 nimmt über das gesamte Flächenmaß die Vakuumkammer 20 auf. Im hinteren Teil des Schubladenkorpus 12 sitzt eine Vakuumpumpe 21, die mit der Vakuumkammer 20 strömungstechnisch gekoppelt ist und zur Vakuumerzeugung die Luft aus der Kammer 20 abpumpen kann. Die Vakuumpumpe 21 ist bodenseitig am Schubladenkorpus 11 befestigt und verbleibt beim Ausziehen des Schubladenauszuges 11 im Korpus 12.The drawer extension 11 receives the vacuum chamber 20 over the entire surface measure. In the rear part of the drawer body 12 is seated a vacuum pump 21, which is fluidically coupled to the vacuum chamber 20 and can pump out the air from the chamber 20 for vacuum generation. The vacuum pump 21 is attached to the bottom of the drawer body 11 and remains when pulling the drawer extension 11 in the body 12th

Für den Vakuumiervorgang kann die Vakuumkammer 20 mit einem Deckel 22 luftdicht verschlossen werden, so dass über die Vakuumpumpe 21 das notwendige Vakuum innerhalb der geschlossenen Vakuumkammer 20 erzeugt werden kann. Wie die Vakuumpumpe 21 verbleibt auch das separate Deckelteil 22 beim Ausziehen des Schubladenauszuges 11 im Gehäuse 12, wie dies insbesondere der Figur 1d zu entnehmen ist. Der Deckel 22 ist innerhalb des Gehäuses 11 fixiert, beispielsweise an der Innenseite der oberen Gehäuseabdeckung und/oder an entsprechenden Profilen der Gehäuseseitenwände.For the Vakuumiervorgang the vacuum chamber 20 can be hermetically sealed with a cover 22, so that via the vacuum pump 21, the necessary vacuum within the closed vacuum chamber 20 can be generated. Like the vacuum pump 21, the separate cover part 22 remains when pulling out the drawer extension 11 in the housing 12, as in particular the Figure 1d can be seen. The cover 22 is fixed within the housing 11, for example on the inside of the upper housing cover and / or on corresponding profiles of the housing side walls.

Für das Versiegeln eines eingelegten Beutels dient der innerhalb der Vakuumkammer 20 vorgesehene Schweißbalken 30, der sich in Schubladeneinschubrichtung über die gesamte Kammerbreite erstreckt. Der mit Lebensmitteln befüllte Beutel wird zum Vakuumieren in die Kammer 20 eingelegt, wobei der Beutel auf dem Schweißbalken abgelegt wird und die Beutelöffnung über den Schweißbalken 30 zum Kammerrand hin übersteht.For sealing an inserted bag is provided within the vacuum chamber 20 welding bar 30 which extends in the drawer insertion direction over the entire chamber width. The bag filled with food is placed in the chamber 20 for vacuuming, wherein the bag is deposited on the welding bar and the bag opening projects beyond the welding bar 30 towards the edge of the chamber.

Damit der Beutel während des Ein- und Ausfahrens der Schublade 12 in das Gehäuse 11 nicht verrutscht und ordnungsgemäß auf dem Schweißbalken 30 verbleibt, ist die in Figur 2 ersichtliche Gummilippe 26 vorgesehen. Die Gummilippe 26 sitzt an dem Schweißbalken 30 zugewandten Kammerrand und dient dazu, den Beutel über die Gummilippe 26 zu klemmen.So that the bag does not slip during the retraction and extension of the drawer 12 into the housing 11 and remains properly on the welding bar 30, the in FIG. 2 apparent rubber lip 26 is provided. The rubber lip 26 is seated on the welding bar 30 facing chamber edge and serves to clamp the bag on the rubber lip 26.

Beim Einfahren der Schublade 12 wird die Vakuumkammer 20 automatisch im Gehäuse 11 mit Hilfe des Deckelteils 22 luftdicht verschlossen und mit Hilfe der Pumpe 21 ein Vakuum innerhalb der Vakuumkammer 20 erzeugt. Sobald die Luft vollständig abgepumpt wurde, wird der Schweißbalken 30 in Richtung des Deckelteils 22 geführt und gegen eine am Deckelteil 22 vorgesehene Schweißmatte 31 gepresst. Durch Zuführen der benötigten Schweißenergie, beispielsweise durch im Schweißbalken 30 angesteuerten Heizdraht, kann der Beutel versiegelt und luftdicht verschlossen werden. Nach dem Absenken des Schweißbalkens 30 lässt sich die Schublade 11 aus dem Gehäuse herausfahren, wobei der Deckelteil wieder im Gehäuse verbleibt.When retracting the drawer 12, the vacuum chamber 20 is automatically hermetically sealed in the housing 11 by means of the cover member 22 and generated by means of the pump 21, a vacuum within the vacuum chamber 20. As soon as the air has been completely pumped off, the welding bar 30 is guided in the direction of the cover part 22 and pressed against a welding mat 31 provided on the cover part 22. By supplying the required welding energy, for example by heating wire driven in the welding bar 30, the bag can be sealed and airtight be closed. After lowering the welding bar 30, the drawer 11 can be moved out of the housing, the cover part remaining in the housing again.

Im Folgenden soll der Schliessmechanismus zum automatischen luftdichten Verschliessen der Vakuumkammer beim Einfahren des Schubladenauszuges 12 in das Schubladengehäuse 11 anhand der beiden Schnittdarstellungen 3a, 3b näher erläutert werden. Figur 3a zeigt die Vakuumschublade mit ausgefahrenem Schubladenauszug 12, der Vakuumbehälter 20 liegt offen zugänglich. Der Vakuumbehälterdeckel 22 liegt an der Innenfläche der Abdeckung des Schubladengehäuses 11 an. Die Vakuumpumpe 21 verbleibt ebenfalls im hinteren Bereich des Schubladengehäuses 11.In the following, the closing mechanism for the automatic airtight closing of the vacuum chamber during retraction of the drawer extension 12 into the drawer housing 11 will be explained in more detail with reference to the two sectional views 3a, 3b. FIG. 3a shows the vacuum drawer with extended drawer extension 12, the vacuum tank 20 is exposed. The vacuum tank lid 22 abuts against the inner surface of the cover of the drawer housing 11. The vacuum pump 21 also remains in the rear area of the drawer housing 11.

Bodenseitig im Schubladengehäuse 11 sind die beiden Keile 14, 15 angeordnet, wobei die Dimensionierung des hinteren Keils 15 größer gewählt ist, wodurch dessen schiefe Ebene höher als der Keil 14 in den Schubladegehäuseraum hineinragt.Bottom side in the drawer housing 11, the two wedges 14, 15 are arranged, wherein the dimensioning of the rear wedge 15 is selected to be larger, whereby its inclined plane protrudes higher than the wedge 14 in the drawer housing space.

Der Boden 27 der Vakuumkammer 20 weist unterhalb des Schweißbalkens 30 einen Absatz 23 auf, um die beiden Vakuumierzylinder 40, 41 unterhalb des Absatzes 23 unterzubringen. Die Kolbenstangen der Vakuumierzylinder 40, 41 reichen durch den Boden 23 bis zum Schweißbalken 30 und stehen mit diesem in Wirkverbindung. Über die Kolbenbewegung der Vakuumierzylinder 40, 41 kann der Schweißbalken 30 vertikal in beiden Richtung verlagert werden, um diesen bei geschlossener Vakuumkammer 20 gegen die Schweißmatte 31 am Vakuumkammerdeckel 22 zu pressen.The bottom 27 of the vacuum chamber 20 has below the welding bar 30 a paragraph 23 to accommodate the two Vakuumierzylinder 40, 41 below the paragraph 23. The piston rods of the vacuuming cylinders 40, 41 extend through the base 23 to the welding bar 30 and are in operative connection therewith. By means of the piston movement of the vacuuming cylinders 40, 41, the welding bar 30 can be displaced vertically in both directions in order to press it against the welding mat 31 on the vacuum chamber lid 22 when the vacuum chamber 20 is closed.

Am Vakuumkammerboden 27 ist zudem eine Ausformung 25 vorgesehen, die bei eingefahrener Schublade auf der Höhe des ersten Keils 14 des Schubladengehäuses 11 liegt.On the vacuum chamber bottom 27, a molding 25 is also provided, which is located at retracted drawer at the height of the first wedge 14 of the drawer housing 11.

Die gesamte Vakuumkammer 20 ist schwimmend gelagert, wodurch diese senkrecht zur Schubladenein- bzw. Ausfahrrichtung in Richtung des Deckelteils 22 beweglich ist. Konkret liegt die Kammer 20 randseitig auf entsprechenden horizontalen Anschlagflächen 16 des Schubladenauszuges 11 lose auf. Die Anschlagfläche verläuft über den gesamten Umfang der Kammer 20, was jedoch nicht zwingend erforderlich ist. Alternativ könnte diese nur teilweise um den Kammerumfang verlaufen bzw. nur einzelne Gleitstücke eingesetzt werden.The entire vacuum chamber 20 is floatingly mounted, whereby it is movable perpendicular to the direction of drawer insertion or extension in the direction of the cover part 22 is. Specifically, the chamber 20 is on the edge on corresponding horizontal abutment surfaces 16 of the drawer extension 11 loose. The stop surface extends over the entire circumference of the chamber 20, which is not absolutely necessary. Alternatively, this could only partially extend around the chamber circumference or only individual sliders are used.

Figur 3b zeigt die Vakuumschublade mit eingefahrenem Schubladenauszug 12. Der erste Keil 14 ist derart dimensioniert, so dass der Boden 27 der Vakuumkammer 20 beim Einfahren über die obere Kante des ersten Keils 14 berührungslos hinweggleitet. Wird die Vakuumschublade weiter eingeschoben, so stösst der Vakuumkammerboden 27 an der oberen Kante des Keils 15 an und wird durch diesen in Richtung des Vakuumkammerdeckels 22 gedrückt. Zeitgleich schlägt die Ausformung 25 des Vakuumkammerbodens 27 an der Oberkante des ersten Keils 14 an. Die Vakuumkammer 20 wird gleichmäßig von beiden Keilen 14, 15 vertikal in Richtung des Vakuumkammerdeckels 22 gedrückt, so dass die Silikondichtung 24 des Deckels 22 am äusseren Vakuumkammerrand anliegt und die Kammer 20 luftdicht verschliesst. FIG. 3b shows the vacuum drawer with retracted drawer extension 12. The first wedge 14 is dimensioned so that the bottom 27 of the vacuum chamber 20 slides over when passing over the upper edge of the first wedge 14 without contact. If the vacuum drawer pushed further, the vacuum chamber bottom 27 abuts the upper edge of the wedge 15 and is pressed by this in the direction of the vacuum chamber cover 22. At the same time, the molding 25 of the vacuum chamber bottom 27 abuts against the upper edge of the first wedge 14. The vacuum chamber 20 is uniformly pressed by both wedges 14, 15 vertically in the direction of the vacuum chamber cover 22, so that the silicone seal 24 of the lid 22 rests against the outer vacuum chamber edge and closes the chamber 20 airtight.

Im Anschluss wird, wie bereits voranstehend erläutert wurde, ein Vakuum in der Kammer 20 durch die Vakuumpumpe 21 geschaffen. Sobald ein ausreichendes Vakuum innerhalb der Vakuumkammer 20 vorherrscht, wird der Schweißbalken über die beiden Vakuumierzylinder 40, 41 gegen die Schweißmatte 31 des Deckelteils 22 gepresst. Durch einen im Schweißbalken 30 integrierten Heizdraht wird der Balken 30 auf die benötigte Schweißtemperatur gebracht und die Beutelöffnung im Bereich des Schweißbalkens 30 versiegelt. Nach Absenken des Schweißbalkens 30 in Richtung des Bodens 23 und belüften der Vakuumkammer lässt sich die Schublade 12 öffnen und der vakuumierte Beutel bequem entnehmen. Der Beutel wird sowohl beim Einschieben als auch beim Ausfahren der Schublade 12 mittels der Gummilippe 26 fixiert.Subsequently, as already explained above, a vacuum is created in the chamber 20 by the vacuum pump 21. As soon as a sufficient vacuum prevails within the vacuum chamber 20, the sealing bar is pressed against the welding mat 31 of the cover part 22 via the two vacuuming cylinders 40, 41. By means of a heating wire integrated in the welding bar 30, the bar 30 is brought to the required welding temperature and the bag opening in the area of the welding bar 30 is sealed. After lowering the welding bar 30 in the direction of the bottom 23 and ventilate the vacuum chamber, the drawer 12 can be opened and remove the vacuum bag conveniently. The bag is fixed by both the insertion and the extension of the drawer 12 by means of the rubber lip 26.

Eine leicht abweichende Ausgestaltung der erfindungsgemäßen Vakuumschublade ist den Figuren 4a, 4b zu entnehmen. Die Ausführung der Figuren 4a, 4b entspricht in weiten Teilen der Ausgestaltung der Figuren 3a, 3b, was durch die gemeinsamen Bezugszeichen verdeutlicht ist. Gegenüber der ersten Ausführungsform sind jedoch im Schweißbalken 30 zusätzliche Magnete 32 vorgesehen, die mittels magnetischer Wechselwirkung den eingelegten Behälter/Beutel während des Öffnens und Schließens der Schublade 12 in der notwendigen Vakuumierposition halten. In diesem Fall umfasst der Beutel im Bereich der Beutelöffnung ein magnetisierbares Material. Alternativ könnte der Beutel auch mit separaten Magneten am Schweißbalken 30 oder einem anderen Bauteil innerhalb der Vakuumkammer 20 fixiert werden. In diesem Fall muss der Beutel kein magnetisierbares Material enthalten.A slightly different embodiment of the vacuum drawer according to the invention is the FIGS. 4a . 4b refer to. The execution of FIGS. 4a . 4b corresponds to in much of the design of the FIGS. 3a . 3b , which is illustrated by the common reference numerals. Compared to the first embodiment, however, additional magnets 32 are provided in the welding bar 30, which hold the inserted container / bag during the opening and closing of the drawer 12 in the necessary Vakuumierposition by means of magnetic interaction. In this case, the bag in the region of the bag opening comprises a magnetizable material. Alternatively, the bag could also be fixed to the welding bar 30 or other component within the vacuum chamber 20 with separate magnets. In this case, the bag need not contain any magnetizable material.

Anstelle der beiden Vakuumierzylinder 40, 41 könnten alternativ Elektromagnete implementiert werden, durch deren Magnetkraft eine Bewegung des Schweißbalken 30 zum Verschweißen eines Beutels erreicht werden könnte. Die Verwendung entsprechender Elektromagnete ist aus der nicht vorveröffentlichten Patentschrift DE 10 2013 014 656 bekannt, auf die in diesem Zusammenhang vollumfänglich Bezug genommen wird.Instead of the two vacuuming cylinders 40, 41, electromagnets could alternatively be implemented, by whose magnetic force a movement of the welding bar 30 for welding a bag could be achieved. The use of appropriate electromagnets is from the non-prepublished patent DE 10 2013 014 656 to which reference is made in full in this context.

Claims (8)

  1. A vacuum drawer for vacuuming foods having a closable vacuum chamber (20), a vacuum pump and a sealing bar (30) arranged within the vacuum chamber (20) for welding a receptacle placed into the chamber (20), wherein the drawer (12) is configured such that the vacuum chamber (20) is opened automatically on the pulling out of the drawer (12) and is automatically closed in an air-tight manner via a vacuum chamber closure on the pushing in of the drawer (12); and wherein the vacuum chamber closure is a cover part (22) arranged in the drawer housing or is formed by a closure surface of the drawer housing,
    characterized in that
    the vacuum chamber (20) is supported in a floating manner at the drawer slide; in that one or more lifting means in the form of a wedge (14, 15) onto which the vacuum chamber (20) is pushable at the base side on the moving in of the drawer (12) are provided in the drawer housing and which move the vacuum chamber (20) toward the vacuum chamber closure on the moving in of the drawer (12).
  2. A vacuum drawer in accordance with claim 1, characterized in that one or more fixing means (26) are provided that hold the receptacle in the required position for vacuuming on the moving in and out of the drawer.
  3. A vacuum drawer in accordance with claim 2, characterized in that at least one fixing means is a sealing lip (26) via which the receptacle can be clamped.
  4. A vacuum drawer in accordance with one of the claims 2 or 3, characterized in that at least one fixing means is a magnet by which the receptacle is fixable in the vacuum chamber, in particular to the sealing bar (30).
  5. A vacuum drawer in accordance with one of the claims 2 to 4, characterized in that at least one fixing means is a clamping bar by which the receptacle is fixable in the vacuum chamber (20), in particular to the sealing bar (30).
  6. A vacuum drawer in accordance with one of the preceding claims, characterized in that the sealing plane of the vacuum chamber closure is aligned in a slanting manner, in particular inclined toward the moving-in direction or moving-on direction of the drawer.
  7. Use of a vacuum drawer in accordance with one of the claims 1 to 6 for a piece of furniture, in particular for a piece of kitchen furniture.
  8. A piece of kitchen furniture having a vacuum drawer in accordance with one of the claims 1 to 6.
EP14182209.8A 2013-10-16 2014-08-26 Vacuum drawer and kitchen furniture Active EP2862807B1 (en)

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