EP1788313A2 - Pull-out system for household appliance - Google Patents

Pull-out system for household appliance Download PDF

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Publication number
EP1788313A2
EP1788313A2 EP06018190A EP06018190A EP1788313A2 EP 1788313 A2 EP1788313 A2 EP 1788313A2 EP 06018190 A EP06018190 A EP 06018190A EP 06018190 A EP06018190 A EP 06018190A EP 1788313 A2 EP1788313 A2 EP 1788313A2
Authority
EP
European Patent Office
Prior art keywords
pull
spring element
out device
connection
telescopic
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.)
Withdrawn
Application number
EP06018190A
Other languages
German (de)
French (fr)
Other versions
EP1788313A3 (en
Inventor
Bernd Heisswolf
Gerhard Münzberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electrolux Home Products Corp NV
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Electrolux Home Products Corp NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Publication of EP1788313A2 publication Critical patent/EP1788313A2/en
Publication of EP1788313A3 publication Critical patent/EP1788313A3/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/16—Shelves, racks or trays inside ovens; Supports therefor
    • F24C15/168—Shelves, racks or trays inside ovens; Supports therefor with telescopic rail systems
    • 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
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/44—Sequencing or synchronisation of drawer slides or functional units
    • A47B88/443—Successive movement of rails within drawer slides, i.e. at least one rail element is not moving during the movement of other elements
    • 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
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/50—Racks ; Baskets
    • A47L15/507—Arrangements for extracting racks, e.g. roller supports
    • 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
    • F25D25/024—Slidable shelves

Definitions

  • the invention relates to a pull-out device for a household appliance, in particular a cooking oven, a dishwasher or a refrigerator, with at least two mutually spaced telescopic extensions, each with a stationary in the household appliance arranged or arranged part and a relative to the stationary part translationally movable part the two moving parts of the telescopic extensions are connected to each other with at least one cross connection.
  • the DE 23 29 060 A1 discloses an oven with a carriage that can be moved out of the interior of the same.
  • the carriage is arranged on rails so that it can be pulled out of the oven muffle if necessary.
  • Depending on a running rail is arranged laterally in the oven muffle. It has a fixedly arranged in the oven muffle and a relative to this translationally displaceable part. So that the two laterally arranged in the oven muffle guides form a stable composite, a number of transverse struts are provided, which are firmly connected to the two translationally displaceable parts.
  • Such connected telescopic extensions or telescopic systems or "telescopic trolleys" with telescopic extensions and cross struts are also from the DE 32 30 707 C1 , from the DE 44 46 757 C3 , from the DE 77 36 749 U1 , from the DE 89 15 017 U1 , from the DE 92 06 505 U1 , from the DE 100 62 116 C2 , from the DE 101 02 589 B4 , from the DE 102 41 683 A1 , from the DE 101 62 922 A1 , from the DE 197 37 494 A1 and from the DE 22 42 434 A1 known.
  • cross braces are firmly connected to the telescopic extensions, which are usually recesses incorporated in the telescopic extensions. In the simplest case, these are bores which are introduced into the telescopic extensions and in which the cross-sectionally circular transverse struts are inserted.
  • the disadvantage here is that due to unavoidable dimensional tolerances of the oven muffle sometimes a mounting of the cross braces is difficult or the run of the telescope system is not optimal. This is especially true in the case of an enameled oven muffle, in which there are larger dimensional tolerances than in a non-enamelled muffle.
  • the invention is therefore the object of a furnace of the type mentioned in such a way that the disadvantages mentioned are avoided, d. H. It should also be possible in the case of manufacturing tolerances a simple assembly of the cross braces and an optimal run of the telescope system.
  • transverse connection or the transverse strut is connected to at least one of the movable parts of the telescopic extensions by means of a spring element.
  • the cross connection is connected to both movable parts of the telescopic extensions by means of a respective spring element.
  • the cross-connection is preferably formed as a rod-shaped part, as it is already known as such.
  • a spring element may be arranged in the two end regions of the cross connection.
  • the spring element is advantageously designed to clamp the movable part of the telescopic extension elastic. This is to be understood that the part is gripped by the spring force of the spring element, so as to produce via frictional connection between the part of the telescopic extension and the spring element. The same applies if it is provided that the spring element is designed to clamp the cross-connection elastic. Finally, it is also in question that the spring element is designed to clamp a further movable part elastic.
  • the spring element is made from a flat sheet by forming, wherein before forming if necessary, first a punching operation is carried out to provide the starting sheet with the required geometry.
  • the spring element preferably has grips in at least two of its lateral end regions, with which it can elastically clamp another part. It may have in two lateral end portions encompassing, which are designed to cooperate with the movable part of the telescopic extension, and in two other lateral end portions Umgriffen, which are designed to cooperate with the cross-connection.
  • a preferred Embodiment provides that the two first Umgriffe and the two second Umgriffe lie in two mutually rotated by 90 ° planes.
  • the spring element for clamping a further movable part has a molded out of one of the planes molded handle portion.
  • a form-fitting coupling of the spring element with its conversion parts can be provided. Thereafter, it is then provided that the spring element has a recess for positive engagement with a part of the telescopic extension.
  • the telescopic extensions preferably each have at least one roller-mounted, in particular ball-bearing, linear guide.
  • the oven muffle can be enamelled, in which case the advantages of the invention are particularly noticeable.
  • a telescope system 1 is shown, which is arranged in a furnace muffle 18, not shown, and can carry a food support, not shown, such as a baking sheet or a grill.
  • the telescopic system 1 has on both sides depending on a telescopic extension 2 and 3, which make it possible to extract the telescope system 1 in an extension direction R from the oven muffle 18 through an open door or a loading opening and push back against the extension direction R back into the oven muffle 18 ,
  • FIG. 1 Several pairs of telescopic extensions 2 and 3 are provided in FIG. 1 for arrangement in different levels in the oven muffle. Of course, it can also be provided only a pair of telescopic extensions.
  • each telescopic extension 2, 3 has a fixed part (e.g., guide rail) 4 fixed inside the furnace muffle and a translationally movable part (e.g., movable rail) 5 movable in said extending direction R.
  • a fixed part e.g., guide rail
  • a translationally movable part e.g., movable rail
  • corresponding roller bearing linear guides are provided.
  • the fixed parts 4 are fastened to vertical support rails in FIG. 1 and form with these a side rail or suspension grid for hooking or otherwise securing to the side wall of the furnace muffle.
  • the two telescopic extensions 2, 3 can be moved synchronously, whereby tilting can be prevented, the two telescopic extensions 2, 3 are connected to each other via at least one cross-connection 6, as it is also previously known.
  • the spring element 7 is formed from a flat sheet-metal part by forming, so that its production is inexpensive possible.
  • the sheet metal part is shaped so that two Umgriffe 9 and 10 and 11 and 12 are formed in two mutually perpendicular planes 13 and 14, with which it is possible, an adjacent component - once the movable part 5 of the telescopic extension and once the rod-shaped cross-connection 6 - to clamp in the manner of a clip connection.
  • Fig. 2 it can be seen that the two enclosures 9 and 10 are adapted to the cross-sectional shape of the movable part 5 of the telescopic extension. Due to the shape of the enclosures 9, 10, it is possible to push the spring element 7 laterally on the part 5 until it engages or clasps the part 5 comprehensively. The same applies to the enclosures 11 and 12, which clamp the cross-connection 6. If the spring element 7 is mounted in the manner outlined in FIG. 2, a frictional connection between the parts 5 and 6 is produced.
  • the procedure is such that the spring elements 7 are first clamped to the two lateral parts 5. Then, the rod-shaped cross-connection 6 is mounted by the rod is inserted into the corresponding Umgriffe 11, 12.
  • one sheet metal section of the spring element 7 can be formed from one of the planes, in this case from the plane 13, to form a grip section 15, into which a further movable part 8 of the telescopic carriage 1 can be clipped.
  • the determination of the spring element 7 on the part 5 can be ensured that the spring element 7 has a recess 16 which can be stamped before the deformation of the sheet to the spring element 7.
  • a part 17 of the telescope system 1 or telescopic extension can engage, so that a positive connection between part 5 and spring element 7 is created.
  • slippage of the spring element 7 from the part 5 is not possible even when high forces in the extension direction R occur.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Baking, Grill, Roasting (AREA)
  • Commercial Cooking Devices (AREA)

Abstract

The device has telescopic extensions that are arranged at a distance from each other. Each extension has a fixed part (4) arranged in a household device and another part (5) that is movable relative to the fixed part. The movable parts are connected with a cross connection (6) using a spring unit (7) that is formed as a part of clip-connection. The spring unit is made from a plane sheet metal through deformation and is arranged on both end regions of the cross connection. An independent claim is also included for an oven e.g. cooking oven, with a pull-out device.

Description

Die Erfindung betrifft eine Auszugsvorrichtung für ein Haushaltsgerät, insbesondere einen Garofen, eine Geschirrspülmaschine oder ein Kältegerät, mit mindestens zwei im Abstand zueinander angeordneten Teleskopauszügen mit jeweils einem ortsfest in dem Haushaltsgerät angeordneten oder anordenbaren Teil und einem relativ zu dem ortsfesten Teil translatorisch beweglichen Teil, wobei die beiden beweglichen Teile der Teleskopauszüge mit mindestens einer Querverbindung miteinander verbunden sind.The invention relates to a pull-out device for a household appliance, in particular a cooking oven, a dishwasher or a refrigerator, with at least two mutually spaced telescopic extensions, each with a stationary in the household appliance arranged or arranged part and a relative to the stationary part translationally movable part the two moving parts of the telescopic extensions are connected to each other with at least one cross connection.

Solche Auszugssysteme sind für Garöfen oder Geschirrspülmaschinen bekannt.Such pull-out systems are known for cooking ovens or dishwashers.

Die DE 23 29 060 A1 offenbart einen Backofen mit einem aus dem Inneren desselben herausfahrbaren Wagen. Der Wagen ist dabei auf Laufschienen derart angeordnet, dass er bei Bedarf aus der Ofenmuffel herausgezogen werden kann. Je eine Laufschiene ist seitlich in der Ofenmuffel angeordnet. Sie weist ein fest in der Ofenmuffel angeordnetes und ein zu diesem relativ translatorisch verschiebliches Teil auf. Damit die beiden seitlich in der Ofenmuffel angeordneten Führungen einen stabilen Verbund bilden, sind eine Anzahl Querstreben vorgesehen, die mit den beiden translatorisch verschieblichen Teilen fest verbunden sind.The DE 23 29 060 A1 discloses an oven with a carriage that can be moved out of the interior of the same. The carriage is arranged on rails so that it can be pulled out of the oven muffle if necessary. Depending on a running rail is arranged laterally in the oven muffle. It has a fixedly arranged in the oven muffle and a relative to this translationally displaceable part. So that the two laterally arranged in the oven muffle guides form a stable composite, a number of transverse struts are provided, which are firmly connected to the two translationally displaceable parts.

Derartige verbundene Teleskopauszüge oder Teleskopsysteme oder "Teleskopwägen" mit Teleskopauszügen sowie Querstreben sind auch aus der DE 32 30 707 C1 , aus der DE 44 46 757 C3 , aus der DE 77 36 749 U1 , aus der DE 89 15 017 U1 , aus der DE 92 06 505 U1 , aus der DE 100 62 116 C2 , aus der DE 101 02 589 B4 , aus der DE 102 41 683 A1 , aus der DE 101 62 922 A1 , aus der DE 197 37 494 A1 und aus der DE 22 42 434 A1 bekannt. Allen Lösungen ist gemein, dass die Querstreben fest mit den Teleskopauszügen verbunden werden, wobei zumeist Ausnehmungen in die Teleskopauszüge eingearbeitet sind. Im einfachsten Falle sind dies Bohrungen, die in die Teleskopauszüge eingebracht sind und in die die im Querschnitt kreisförmigen Querstreben eingesteckt werden.Such connected telescopic extensions or telescopic systems or "telescopic trolleys" with telescopic extensions and cross struts are also from the DE 32 30 707 C1 , from the DE 44 46 757 C3 , from the DE 77 36 749 U1 , from the DE 89 15 017 U1 , from the DE 92 06 505 U1 , from the DE 100 62 116 C2 , from the DE 101 02 589 B4 , from the DE 102 41 683 A1 , from the DE 101 62 922 A1 , from the DE 197 37 494 A1 and from the DE 22 42 434 A1 known. All solutions have in common that the cross braces are firmly connected to the telescopic extensions, which are usually recesses incorporated in the telescopic extensions. In the simplest case, these are bores which are introduced into the telescopic extensions and in which the cross-sectionally circular transverse struts are inserted.

Nachteilig ist dabei, dass infolge unvermeidbarer Maßtoleranzen der Ofenmuffel mitunter eine Montage der Querstreben schwierig ist bzw. der Lauf des Teleskopsystems nicht optimal ist. Das gilt insbesondere im Falle einer emaillierten Ofenmuffel, bei der größere Maßtoleranzen als bei einer nicht emaillierten Muffel vorliegen.The disadvantage here is that due to unavoidable dimensional tolerances of the oven muffle sometimes a mounting of the cross braces is difficult or the run of the telescope system is not optimal. This is especially true in the case of an enameled oven muffle, in which there are larger dimensional tolerances than in a non-enamelled muffle.

Der Erfindung liegt daher die Aufgabe zugrunde, einen Ofen der eingangs genannten Art so fortzubilden, dass die genannten Nachteile vermieden werden, d. h. es soll auch im Falle von Fertigungstoleranzen eine einfache Montage der Querstreben und ein optimaler Lauf des Teleskopsystems möglich sein.The invention is therefore the object of a furnace of the type mentioned in such a way that the disadvantages mentioned are avoided, d. H. It should also be possible in the case of manufacturing tolerances a simple assembly of the cross braces and an optimal run of the telescope system.

Die Lösung dieser Aufgabe durch die Erfindung ist dadurch gekennzeichnet, dass die Querverbindung bzw. die Querstrebe mit mindestens einem der beweglichen Teile der Teleskopauszüge mittels eines Federelements verbunden ist. Bevorzugt ist die Querverbindung mit beiden beweglichen Teilen der Teleskopauszüge mittels je eines Federelements verbunden.The solution of this problem by the invention is characterized in that the transverse connection or the transverse strut is connected to at least one of the movable parts of the telescopic extensions by means of a spring element. Preferably, the cross connection is connected to both movable parts of the telescopic extensions by means of a respective spring element.

Mit dieser Ausgestaltung wird nicht nur die Montage der Querstrebe bzw. Querverbindung vereinfacht. Es wird auch in einfacher und kostengünstiger Weise eine Synchronisation der Bewegungen der beiden seitlich angeordneten Teleskopauszüge gewährleistet, wobei Fertigungstoleranzen infolge der Verwendung der Federelemente keine wesentliche Rolle mehr spielen.With this embodiment, not only the mounting of the cross member or cross connection is simplified. It is also ensured in a simple and cost-effective manner a synchronization of the movements of the two laterally arranged telescopic extensions, wherein manufacturing tolerances due to the use of the spring elements no longer play a significant role.

Die Querverbindung ist bevorzugt als stangenförmiges Teil ausgebildet, wie es als solches vorbekannt ist. Je ein Federelement kann in den beiden Endbereichen der Querverbindung angeordnet sein.The cross-connection is preferably formed as a rod-shaped part, as it is already known as such. Depending on a spring element may be arranged in the two end regions of the cross connection.

Das Federelement ist vorteilhafter Weise ausgebildet, um das bewegliche Teil des Teleskopauszugs elastisch zu klemmen. Darunter ist zu verstehen, dass das Teil durch die Federkraft des Federelements gegriffen wird, um so über Kraftschluss die Verbindung zwischen dem Teil des Teleskopauszugs und dem Federelement herzustellen. Entsprechendes gilt, wenn vorgesehen wird, dass das Federelement ausgebildet ist, um die Querverbindung elastisch zu klemmen. Schließlich kommt es auch noch in Frage, dass das Federelement ausgebildet ist, um ein weiteres bewegliches Teil elastisch zu klemmen.The spring element is advantageously designed to clamp the movable part of the telescopic extension elastic. This is to be understood that the part is gripped by the spring force of the spring element, so as to produce via frictional connection between the part of the telescopic extension and the spring element. The same applies if it is provided that the spring element is designed to clamp the cross-connection elastic. Finally, it is also in question that the spring element is designed to clamp a further movable part elastic.

In besonders bevorzugter Weise ist daran gedacht, das Federelement als einen Teil einer Clip-Verbindung auszubilden.In a particularly preferred manner, it is intended to form the spring element as part of a clip connection.

Fertigungstechnische Vorteile ergeben sich, wenn das Federelement aus einem ebenen Blech durch Umformung gefertigt ist, wobei vor der Umformung gegebenenfalls zunächst ein Stanzvorgang erfolgt, um das Ausgangsblech mit der benötigten Geometrie zu versehen.Manufacturing advantages arise when the spring element is made from a flat sheet by forming, wherein before forming if necessary, first a punching operation is carried out to provide the starting sheet with the required geometry.

Das Federelement weist bevorzugt in mindestens zwei seiner seitlichen Endbereiche Umgriffe auf, mit denen es ein anderes Teil elastisch klemmen kann. Es kann in zwei seitlichen Endbereichen Umgriffe aufweisen, die zum Zusammenwirken mit dem beweglichen Teil des Teleskopauszugs ausgebildet sind, sowie in zwei weiteren seitlichen Endbereichen Umgriffe, die zum Zusammenwirken mit der Querverbindung ausgebildet sind. Eine bevorzugte Ausgestaltung sieht dabei vor, dass die beiden ersten Umgriffe und die beiden zweiten Umgriffe in zwei um 90° zueinander verdrehten Ebenen liegen.The spring element preferably has grips in at least two of its lateral end regions, with which it can elastically clamp another part. It may have in two lateral end portions encompassing, which are designed to cooperate with the movable part of the telescopic extension, and in two other lateral end portions Umgriffen, which are designed to cooperate with the cross-connection. A preferred Embodiment provides that the two first Umgriffe and the two second Umgriffe lie in two mutually rotated by 90 ° planes.

Vorgesehen werden kann weiterhin, dass das Federelement zum Klemmen eines weiteren beweglichen Teils einen aus einer der Ebenen heraustretenden ausgeformten Griffabschnitt aufweist.It can further be provided that the spring element for clamping a further movable part has a molded out of one of the planes molded handle portion.

Zusätzlich zum Klemmen mittels des Federelements kann eine formschlüssige Ankopplung des Federelements mit seinen Umbauteilen vorgesehen werden. Hiernach ist dann vorgesehen, dass das Federelement eine Ausnehmung zum formschlüssigen Zusammenwirken mit einem Teil des Teleskopauszugs aufweist.In addition to clamping by means of the spring element, a form-fitting coupling of the spring element with its conversion parts can be provided. Thereafter, it is then provided that the spring element has a recess for positive engagement with a part of the telescopic extension.

Die Teleskopauszüge weisen bevorzugt je mindestens eine wälzgelagerte, insbesondere kugelgelagerte, Linearführung auf.The telescopic extensions preferably each have at least one roller-mounted, in particular ball-bearing, linear guide.

Die Ofenmuffel kann emailliert sein, wobei sich in diesem Falle die Vorteile der Erfindung besonders gut bemerkbar machen.The oven muffle can be enamelled, in which case the advantages of the invention are particularly noticeable.

In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt. Es zeigen:

Fig. 1
eine Auszugsvorrichtung eines Garofens in perspektivischer Ansicht,
Fig. 2
einen vergrößert dargestellten Ausschnitt aus Fig. 1,
Fig. 3
die Seitenansicht der Auszugsvorrichtung,
Fig. 4
die Vorderansicht der Auszugsvorrichtung und
Fig. 5
die Draufsicht auf die Auszugsvorrichtung.
In the drawing, an embodiment of the invention is shown. Show it:
Fig. 1
a pull-out device of a cooking oven in perspective view,
Fig. 2
an enlarged detail of FIG. 1,
Fig. 3
the side view of the extension device,
Fig. 4
the front view of the extractor and
Fig. 5
the top view of the extension device.

In Fig. 1 ist ein Teleskopsystem 1 dargestellt, das in einer nicht näher dargestellten Ofenmuffel 18 angeordnet ist und einen nicht dargestellten Gargutträger wie ein Backblech oder einen Grillrost tragen kann. Das Teleskopsystem 1 weist an den beiden Seiten je einen Teleskopauszug 2 und 3 auf, die es ermöglichen, das Teleskopsystem 1 in eine Auszugsrichtung R aus der Ofenmuffel 18 durch eine geöffnete Tür oder eine Beschickungsöffnung herauszuziehen und entgegen der Auszugsrichtung R wieder in die Ofenmuffel 18 hineinzuschieben.In Fig. 1, a telescope system 1 is shown, which is arranged in a furnace muffle 18, not shown, and can carry a food support, not shown, such as a baking sheet or a grill. The telescopic system 1 has on both sides depending on a telescopic extension 2 and 3, which make it possible to extract the telescope system 1 in an extension direction R from the oven muffle 18 through an open door or a loading opening and push back against the extension direction R back into the oven muffle 18 ,

Es sind in Fig. 1 mehrere Paare von Teleskopauszügen 2 und 3 zur Anordnung in verschiedenen Ebenen in der Ofenmuffel vorgesehen. Es kann natürlich aber auch nur ein Paar Teleskopauszüge vorgesehen sein.Several pairs of telescopic extensions 2 and 3 are provided in FIG. 1 for arrangement in different levels in the oven muffle. Of course, it can also be provided only a pair of telescopic extensions.

In bekannter Weise hat jeder Teleskopauszug 2, 3 ein ortsfest angeordnetes Teil (z.B. Führungsschiene) 4, das im Inneren der Ofenmuffel festgelegt ist, sowie ein hierzu translatorisch bewegliches Teil (z.B. bewegliche Schiene) 5, das in die genannte Auszugsrichtung R beweglich ist. Hierfür werden entsprechende wälzgelagerte Linearführungen vorgesehen. Die ortsfesten Teile 4 sind in Fig. 1 jeweils an senkrechten Tragschienen befestigt und bilden mit diesen ein Seitengitter oder Einhängegitter zum Einhängen oder anderweitigen Befestigen an der Seitenwand der Ofenmuffel.In a known manner, each telescopic extension 2, 3 has a fixed part (e.g., guide rail) 4 fixed inside the furnace muffle and a translationally movable part (e.g., movable rail) 5 movable in said extending direction R. For this purpose, corresponding roller bearing linear guides are provided. The fixed parts 4 are fastened to vertical support rails in FIG. 1 and form with these a side rail or suspension grid for hooking or otherwise securing to the side wall of the furnace muffle.

Damit bei Herausziehen des Teleskopsystems 1 die beiden Teleskopauszüge 2, 3 synchron bewegt werden können, womit ein Verkanten verhindert werden kann, sind die beiden Teleskopauszüge 2, 3 über mindestens eine Querverbindung 6 miteinander verbunden, wie es ebenfalls vorbekannt ist.Thus, when pulling out of the telescope system 1, the two telescopic extensions 2, 3 can be moved synchronously, whereby tilting can be prevented, the two telescopic extensions 2, 3 are connected to each other via at least one cross-connection 6, as it is also previously known.

Erfindungsgemäß sind allerdings zur Festlegung der Querverbindung 6 an den beweglichen Teilen 5 der Teleskopauszüge 2, 3 Federelemente 7 vorgesehen, die nicht nur einen verbesserten Toleranzausgleich zulassen, sondern auch eine leichte Montage möglich machen.According to the invention, however, are provided for fixing the cross-connection 6 to the moving parts 5 of the telescopic extensions 2, 3 spring elements 7, which not only improved tolerance compensation allow, but also make easy mounting possible.

Wie die Federelemente 7 nach einer Ausführungsform der Erfindung ausgestaltet sind, geht aus Fig. 2 hervor.As the spring elements 7 are configured according to an embodiment of the invention, it is apparent from Fig. 2.

Das Federelement 7 ist aus einem ebenen Blechteil durch Umformung ausgebildet, so dass seine Herstellung kostengünstig möglich ist. Das Blechteil ist dabei so geformt, dass in zwei senkrecht zueinander stehenden Ebenen 13 und 14 je zwei Umgriffe 9 und 10 sowie 11 und 12 ausgebildet werden, mit denen es möglich ist, ein benachbartes Bauteil - einmal das bewegliche Teil 5 des Teleskopauszugs und einmal die stangenförmige Querverbindung 6 - nach Art einer Clip-Verbindung zu klemmen.The spring element 7 is formed from a flat sheet-metal part by forming, so that its production is inexpensive possible. The sheet metal part is shaped so that two Umgriffe 9 and 10 and 11 and 12 are formed in two mutually perpendicular planes 13 and 14, with which it is possible, an adjacent component - once the movable part 5 of the telescopic extension and once the rod-shaped cross-connection 6 - to clamp in the manner of a clip connection.

In Fig. 2 ist zu sehen, dass die beiden Umgriffe 9 und 10 der Querschnittsform des beweglichen Teils 5 des Teleskopauszugs angepasst sind. Aufgrund der Ausformung der Umgriffe 9, 10 ist es möglich, das Federelement 7 seitlich auf das Teil 5 aufzuschieben, bis es das Teil 5 umfassend einrastet bzw. einclipst. Entsprechendes gilt für die Umgriffe 11 und 12, die die Querverbindung 6 klemmen. Ist das Federelement 7 in der in Fig. 2 skizzierten Weise montiert, ist eine kraftschlüssige Verbindung zwischen den Teilen 5 und 6 hergestellt.In Fig. 2 it can be seen that the two enclosures 9 and 10 are adapted to the cross-sectional shape of the movable part 5 of the telescopic extension. Due to the shape of the enclosures 9, 10, it is possible to push the spring element 7 laterally on the part 5 until it engages or clasps the part 5 comprehensively. The same applies to the enclosures 11 and 12, which clamp the cross-connection 6. If the spring element 7 is mounted in the manner outlined in FIG. 2, a frictional connection between the parts 5 and 6 is produced.

Dabei wird bei der Montage so vorgegangen, dass die Federelemente 7 zunächst an den beiden seitlichen Teilen 5 festgeklemmt werden. Dann wird die stangenförmige Querverbindung 6 montiert, indem die Stange in die entsprechenden Umgriffe 11, 12 eingeschoben wird.During assembly, the procedure is such that the spring elements 7 are first clamped to the two lateral parts 5. Then, the rod-shaped cross-connection 6 is mounted by the rod is inserted into the corresponding Umgriffe 11, 12.

Problemlos werden dabei Fertigungstoleranzen ausgeglichen, die insbesondere dann relevant werden, wenn die Ofenmuffel emailliert ist.Manufacturing tolerances are easily compensated, which are particularly relevant when the oven muffle is enamelled.

Wie Fig. 2 weiter entnommen werden kann, kann aus einer der Ebenen, vorliegend aus der Ebene 13, ein Blechabschnitt des Federelements 7 ausgeformt sein, um einen Griffabschnitt 15 zu bilden, in den ein weiteres bewegliches Teil 8 des Teleskopwagens 1 eingeclipst werden kann.As can be further seen in FIG. 2, one sheet metal section of the spring element 7 can be formed from one of the planes, in this case from the plane 13, to form a grip section 15, into which a further movable part 8 of the telescopic carriage 1 can be clipped.

Die Festlegung des Federelements 7 am Teil 5 kann dadurch gesichert werden, dass das Federelement 7 eine Ausnehmung 16 aufweist, die schon vor der Umformung des Blechs zum Federelement 7 eingestanzt werden kann. In diese Ausnehmung kann ein Teil 17 des Teleskopsystems 1 oder Teleskopauszugs eingreifen, so dass eine formschlüssige Verbindung zwischen Teil 5 und Federelement 7 geschaffen wird. Hierdurch ist auch beim Auftreten hoher Kräfte in Auszugsrichtung R ein Abrutschen des Federelements 7 vom Teil 5 nicht möglich.'The determination of the spring element 7 on the part 5 can be ensured that the spring element 7 has a recess 16 which can be stamped before the deformation of the sheet to the spring element 7. In this recess, a part 17 of the telescope system 1 or telescopic extension can engage, so that a positive connection between part 5 and spring element 7 is created. As a result, slippage of the spring element 7 from the part 5 is not possible even when high forces in the extension direction R occur.

In den Figuren 3 bis 5 ist nochmals die Anordnung in drei Ansichten dargestellt.In the figures 3 to 5, the arrangement is shown again in three views.

In vorteilhafter Weise sind bei der Nutzung der Erfindung keine nennenswerten Modifikationen an einem vorhandenen Teleskopauszugssystem mit einem oder mehreren Paaren von Teleskopauszügen erforderlich. Lediglich die Federelemente 7 müssen entsprechend ausgebildet werden, um eine gute Verbindung zwischen den Querverbindungen 6 und den beweglichen Teilen 5 der Teleskopauszüge 2, 3 sicherzustellen.Advantageously, no significant modifications to an existing telescopic extension system with one or more pairs of telescopic extensions are required in the use of the invention. Only the spring elements 7 must be designed accordingly to ensure a good connection between the cross connections 6 and the movable parts 5 of the telescopic extensions 2, 3.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Teleskopsystemtelescope system
22
Teleskopauszugtelescopic extension
33
Teleskopauszugtelescopic extension
44
ortsfest angeordnetes Teilfixedly arranged part
55
translatorisch bewegliches Teiltranslationally movable part
66
Querverbindung / QuerstrebeCross connection / cross strut
77
Federelementspring element
88th
weiteres bewegliches Teil des Teleskopwagensanother movable part of the telescopic carriage
99
Umgriffthrowing
1010
Umgriffthrowing
1111
Umgriff .Umgriff.
1212
Umgriffthrowing
1313
Ebenelevel
1414
Ebenelevel
1515
ausgeformter Griffabschnittmolded handle section
1616
Ausnehmungrecess
1717
Teil des TeleskopwagensPart of the telescopic carriage
1818
Ofenmuffelmuffle furnace
RR
Auszugsrichtungextraction direction

Claims (18)

Auszugsvorrichtung für ein Haushaltsgerät, insbesondere einen Garofen, eine Geschirrspülmaschine oder ein Kältegerät, mit a) mindestens zwei im Abstand zueinander angeordneten Teleskopauszügen (2, 3) mit jeweils a1) einem ortsfest in dem Haushaltsgerät angeordneten oder anordenbaren Teil (4) und a2) einem relativ zu dem ortsfesten Teil translatorisch beweglichen Teil (5), b) wobei die beiden beweglichen Teile (5) der Teleskopauszüge (2, 3) durch mindestens eine Querverbindung (6) miteinander verbunden sind,
dadurch gekennzeichnet, dass c) die Querverbindung (6) mit mindestens einem.der beweglichen Teile (5) der Teleskopauszüge (2, 3) mittels eines Federelements (7) verbunden ist. Extraction device for a household appliance, in particular a cooking oven, a dishwasher or a refrigerator, with a) at least two mutually spaced telescopic extensions (2, 3), respectively a1) a stationary arranged in the household appliance or can be arranged part (4) and a2) a relative to the stationary part translationally movable part (5), b) wherein the two movable parts (5) of the telescopic extensions (2, 3) are interconnected by at least one transverse connection (6),
characterized in that c) the transverse connection (6) is connected to at least one of the movable parts (5) of the telescopic extensions (2, 3) by means of a spring element (7). Auszugsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Querverbindung (6) mit beiden beweglichen Teilen (5) der Teleskopauszüge (2, 3) mittels je eines Federelements (7) verbunden ist.Pull-out device according to claim 1, characterized in that the transverse connection (6) is connected to both movable parts (5) of the telescopic extensions (2, 3) by means of a respective spring element (7). Auszugsvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Querverbindung (6) als stangenförmiges Teil ausgebildet ist.Pull-out device according to claim 1 or 2, characterized in that the cross-connection (6) is designed as a rod-shaped part. Auszugsvorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass je ein Federelement (6) in den beiden Endbereichen der Querverbindung (6) angeordnet ist.Pull-out device according to one of claims 1 to 3, characterized in that a respective spring element (6) in the two end regions of the transverse connection (6) is arranged. Auszugsvorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Federelement (7) ausgebildet ist, um das bewegliche Teil (5) des Teleskopauszugs (2, 3) elastisch zu klemmen.Pull-out device according to one of claims 1 to 4, characterized in that the spring element (7) is formed is to elastically clamp the movable part (5) of the telescopic extension (2, 3). Auszugsvorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Federelement (7) ausgebildet ist, um die Querverbindung (6) elastisch zu klemmen.Pull-out device according to one of claims 1 to 5, characterized in that the spring element (7) is designed to clamp the cross-connection (6) elastically. Auszugsvorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das Federelement (7) ausgebildet ist, um ein weiteres bewegliches Teil (8) elastisch zu klemmen.Pull-out device according to one of claims 1 to 6, characterized in that the spring element (7) is designed to elastically clamp a further movable part (8). Auszugsvorrichtung nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass das Federelement (7) als Teil einer Clip-Verbindung ausgebildet ist.Pull-out device according to one of claims 5 to 7, characterized in that the spring element (7) is formed as part of a clip connection. Auszugsvorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass das Federelement (7) aus einem ebenen Blech durch Umformung gefertigt ist.Pull-out device according to one of claims 1 to 8, characterized in that the spring element (7) is made of a flat sheet by forming. Auszugsvorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass das Federelement (7) in mindestens zwei seiner seitlichen Endbereiche Umgriffe (9, 10, 11, 12) aufweist, mit denen es ein anderes Teil (5, 6) elastisch klemmen kann.Pull-out device according to one of claims 1 to 9, characterized in that the spring element (7) in at least two of its lateral end portions Umgriffe (9, 10, 11, 12), with which it can clamp another part (5, 6) elastically , Auszugsvorrichtung nach Anspruch 10, dadurch gekennzeichnet, dass das Federelement (7) in zwei seitlichen Endbereichen Umgriffe (9, 10) aufweist, die zum Zusammenwirken mit dem beweglichen Teil (5) des Teleskopauszugs (2, 3) ausgebildet sind, sowie in zwei weiteren seitlichen Endbereichen Umgriffe (11, 12) aufweist, die zum Zusammenwirken mit der Querverbindung (6) ausgebildet sind.Pull-out device according to claim 10, characterized in that the spring element (7) in two lateral end portions Umgriffe (9, 10), which are designed to cooperate with the movable part (5) of the telescopic extension (2, 3), and in two other Side end portions Umgriffe (11, 12) which are designed to cooperate with the cross-connection (6). Auszugsvorrichtung nach Anspruch 11, dadurch gekennzeichnet, dass die beiden ersten Umgriffe (9, 10) und die beiden zweiten Umgriffe (11, 12) in zwei um 90° zueinander verdrehten Ebenen (13, 14) liegen.Pull-out device according to claim 11, characterized in that the two first Umgriffe (9, 10) and the two second Umgriffe (11, 12) in two mutually rotated by 90 ° planes (13, 14). Auszugsvorrichtung nach Anspruch 7 und 12, dadurch gekennzeichnet, dass das Federelement (7) zum Klemmen des weiteren beweglichen Teils (8) einen aus einer der Ebenen (13, 14) heraustretenden ausgeformten Griffabschnitt (15) aüfweist.Pull-out device according to claim 7 and 12, characterized in that the spring element (7) for clamping the further movable part (8) from one of the planes (13, 14) emerging from the molded handle portion (15) aüfweist. Auszugsvorrichtung nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass das Federelement (7) eine Ausnehmung (16) zum formschlüssigen Zusammenwirken mit einem Teil (17) des Teleskopauszuges aufweist.Pull-out device according to one of claims 1 to 13, characterized in that the spring element (7) has a recess (16) for positive cooperation with a part (17) of the telescopic extension. Auszugsvorrichtung nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass die Teleskopauszüge (2, 3) je mindestens eine wälzgelagerte, insbesondere kugelgelagerte, Linearführung aufweisen.Pull-out device according to one of claims 1 to 14, characterized in that the telescopic extensions (2, 3) each have at least one roller-mounted, in particular ball-bearing, linear guide. Ofen, insbesondere Garofen, mit einer Ofenmuffel und einer Auszugsvorrichtung nach einem der Ansprüche 1 bis 15.Oven, in particular a cooking oven, with a furnace muffle and a pull-out device according to one of Claims 1 to 15. Ofen nach Anspruch 16, bei der mindestens zwei Teleskopauszüge (2, 3) jeweils seitlich und im Abstand zueinander im Bereich der Wandung der Ofenmuffel angeordnet sindOven according to claim 16, wherein at least two telescopic extensions (2, 3) are each arranged laterally and at a distance from one another in the region of the wall of the oven muffle Ofen nach einem der Ansprüche 16 und 17, dadurch gekennzeichnet, dass die Ofenmuffel emailliert ist.Oven according to one of claims 16 and 17, characterized in that the oven muffle is enamelled.
EP06018190A 2005-11-16 2006-08-31 Pull-out system for household appliance Withdrawn EP1788313A3 (en)

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DE102005054604A DE102005054604A1 (en) 2005-11-16 2005-11-16 Extractor for a household appliance

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EP1788313A3 EP1788313A3 (en) 2012-08-01

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EP2093497A1 (en) 2008-02-21 2009-08-26 Electrolux Home Products Corporation N.V. Side frame for an inserting device and method for fixing a side frame
EP2096359A1 (en) * 2008-02-21 2009-09-02 Electrolux Home Products Corporation N.V. Side frame for an inserting device and cooking appliance comprising a cooking compartment
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CN104323607A (en) * 2014-07-31 2015-02-04 青岛海尔股份有限公司 Slide rail mechanism
CN105258442A (en) * 2014-05-30 2016-01-20 青岛海尔股份有限公司 Slide rail system, refrigerator storage box assembly with same and refrigerator
EP3695769A4 (en) * 2018-12-24 2020-09-09 Foshan Shunde Midea Washing Appliances Manufacturing Co., Ltd. Sliding structure, dish drainer, and dishwasher

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EP2042811A1 (en) * 2007-09-28 2009-04-01 Vestel Beyaz Esya Sanayi Ve Ticaret A.S. Telescopic rail system
EP2093497A1 (en) 2008-02-21 2009-08-26 Electrolux Home Products Corporation N.V. Side frame for an inserting device and method for fixing a side frame
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CN104323607A (en) * 2014-07-31 2015-02-04 青岛海尔股份有限公司 Slide rail mechanism
EP3695769A4 (en) * 2018-12-24 2020-09-09 Foshan Shunde Midea Washing Appliances Manufacturing Co., Ltd. Sliding structure, dish drainer, and dishwasher
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EP1788313A3 (en) 2012-08-01

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