WO2018059942A1 - Dispositif à corps roulants pour un dispositif de sortie sur rails, dispositif de sortie sur rails et appareil ménager - Google Patents

Dispositif à corps roulants pour un dispositif de sortie sur rails, dispositif de sortie sur rails et appareil ménager Download PDF

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Publication number
WO2018059942A1
WO2018059942A1 PCT/EP2017/073083 EP2017073083W WO2018059942A1 WO 2018059942 A1 WO2018059942 A1 WO 2018059942A1 EP 2017073083 W EP2017073083 W EP 2017073083W WO 2018059942 A1 WO2018059942 A1 WO 2018059942A1
Authority
WO
WIPO (PCT)
Prior art keywords
rail
wälzkörpervorrichtung
extension device
rail extension
height
Prior art date
Application number
PCT/EP2017/073083
Other languages
German (de)
English (en)
Inventor
Philipp Nather
Angelika Namberger
Karsten Pörner
Original Assignee
BSH Hausgeräte GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Hausgeräte GmbH filed Critical BSH Hausgeräte GmbH
Publication of WO2018059942A1 publication Critical patent/WO2018059942A1/fr

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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
    • A47B88/483—Sliding drawers; Slides or guides therefor with single extensible guides or parts
    • A47B88/487—Sliding drawers; Slides or guides therefor with single extensible guides or parts with rollers, ball bearings, wheels, or the like

Definitions

  • Rolling element device for a rail extension device, rail extension device and household appliance
  • the invention relates to a WälzSystemvortechnik for a rail extraction device, wherein the WälzSystemvortechnik has a WälzSystemlike on which a plurality of rolling elements are rotatably mounted. Furthermore, the invention also relates to a
  • Rail extension device with such WälzSystemvortechnik, wherein by means of WälzArchitecttechnik two rails of the rail extension device are mounted relative to each other displaceable. Furthermore, the invention also relates to a household appliance with such a rail extension device.
  • Rail extension devices in the form of so-called telescopic extensions are well known.
  • the two elongated rails which usually have substantially equal lengths, are correspondingly extendable and collapsible.
  • On such rail extension devices are at
  • Household appliances for preparing food such as a cooking appliance, food support, such as a baking tray, or a drip tray or a grid, applied, so that they can be easily pulled out of a cooking chamber of the cooking appliance and pushed back into it.
  • these two rails are mounted on rolling elements, such as balls, slidably to each other.
  • the case provided ball cage takes only the position control of the balls on corresponding recesses and is otherwise considered force and effect free with respect to the rolling elements.
  • Wälz stresses and / or a rail are dirty and have formed corresponding deposits on the track or a rolling element. This can then also result in an at least temporary lifting between a rolling element and a raceway on the rail, so that here then a contact loss occurs, which in turn leads to a disadvantageous running action.
  • a rolling element device according to the invention is for use in a
  • the WälzSystemvoretti comprises a Wälzianus, on which a plurality of rolling elements are rotatably mounted.
  • An essential idea of the invention is to be seen in that the rolling element carrier is adjustable in its height, which is dimensioned perpendicular to a longitudinal axis of the WälzSystemvorraum. Such height adjustment and thus a change in the height of the
  • Rail extension devices are used. Another significant advantage is also to be seen in the fact that with assembly and / or manufacturing tolerances and / or contamination of parts of a rail extension device in the raceways for the rolling elements and / or contamination of the rolling elements but then by the Hohenver Wennkeit such Height adjustment can be made that here a contact loss between a rolling element and a track of a rail is at least significantly reduced, in particular prevented.
  • this height adjustment of the Wälz stresses is formed in discrete height levels. This is advantageous when these discrete height levels are predetermined and defined in such a way that they can then be adjusted in the case of rail extension devices in which the respective discrete difference between a running rail and a fixed rail is known, so that the rolling elements then each individually a corresponding altitude are arranged and the one or more raceways defined on the rails contact.
  • the height adjustment is continuous. As a result, the flexibility and adaptability to a wide variety of conditions is again significantly increased.
  • the WälzSystems has at least two interconnected at a pivot point support rods, which cause a height adjustment by relative movements about the pivot point. This is a very simple structure, but highly functional. Due to this configuration, the space requirement is very low.
  • the preferably rectilinear support rods which are in particular rigid and nostinunver Slich in themselves, are interconnected so that the pivot point is formed centrally of a respective length of the two support rods.
  • Cross design of these support bars is also a very finely adjusted height adjustment allows.
  • each rolling element is rotatably mounted at the respective ends of a support rod.
  • the rolling elements on the support rods they are also arranged at a maximum distance from each other and by this cross shape of the support rods can be done by a respective already small adjustment in the particular single pivot also a very fast and finely adjusted adjustment of the height adjustment.
  • Rolling bodies contacted with a raceway on a first rail and then in the height direction lower rolling elements, which in turn are arranged at opposite ends of the respective support rods, with other raceways at least one rail in contact.
  • Rolling also be adjusted to different proportions in this height direction. The same can also be done with the lower rolling elements.
  • the highly dynamic and highly flexible height adjustability at several, in particular four contact points of the WälzEffschraum with the rails is then made possible.
  • the Wälzkörpentik has at least one spring element, with which two Wälz stresses for prestressed Hohenver auskeit in the height direction are resiliently mounted relative to each other.
  • This is a particularly advantageous embodiment, which advantageously further develops the continuous height adjustability. Because of this preload then the contact pressure of the rolling elements can be increased to tracks of rails and thus virtually a certain pressing done, so that in addition to the height adjustment also a spring force in the direction of the track acts and thereby a loss of contact
  • Rolling elements with a career can be improved even better prevented.
  • This WälzSystem also includes a separate to the support units connecting element which connects the two WälzSystemiseren and which is rotatably connected to Hohenver monkeit with the WälzSystemiseren respectively, so that a height adjustment is formed by a variable height adjustment of the WälzSystemicaen.
  • these support units can be made more stable in itself, so that the holder and in particular the storage of rolling elements is improved. Tilting of the rolling element can be improved thereby avoided.
  • the connecting element is, in particular, a rod which is inherently rigid and non-variable in length, so that the mechanical coupling and stability with the carrier units is improved.
  • the rolling element carrier in its width which is dimensioned perpendicular to a longitudinal axis of the WälzSystemvoriques and is thus dimensioned in the width direction, is adjustable.
  • this configuration is thus allowing a possibility formed in a further spatial direction of a mecanicanpassung a WälzSystemiquess.
  • consideration can be given, for example, to corresponding dimensional tolerances in this width direction, so that in the case of a corresponding positional inaccuracy of rails in relation to one another in this width direction and / or on the most varied shaped raceways, which can also be uneven, then an improved one can result
  • Running effect of a rolling element on a track of a rail can be achieved.
  • this Repeatnversteiliana is formed to the effect that at least one rolling element of this WälzSystemvorides itself in its width, which is measured in this width direction of the WälzSystemvortechnische, changeable.
  • a rolling element which should contact the track of a rail, can thus be adapted very individually to the conditions with respect to its width, whereby the above-mentioned advantages are achieved in particular dimensions.
  • the rolling elements in such an embodiment has two separate Wälz Eisenier, each of which is designed for contacting and unrolling on a track of a rail of a rail extension device and a width-sized distance of the Wälzoasamaschinemaschinener is variable.
  • the already spaced WälzSystemmaschinecker can thus be changed in this direction of the width, in which also extends a rotational axis of a rolling element. This is particularly advantageous when the two WälzSystemmaschiner to different
  • Movement movement is supported in particular degree.
  • the WälzSystemmaschineze viewed in the width are arranged biased with a spring element.
  • the spring acts with its spring force in this width direction, and thus virtually one another pushing away the Wälzoasamaschine.
  • a career is uneven, in particular trough-like and a
  • a rail extension device which has at least one rolling element device according to the invention or an advantageous embodiment thereof.
  • a rail extraction device according to the invention for a household appliance comprises a first rail and a separate second rail. The rails point
  • the length of one of the two rails corresponds to at least a length between 80 percent and 100 percent of the length of the other rail.
  • the two rails are formed substantially the same length.
  • the two rails are connected to one another, the rails being displaceable in the direction of their longitudinal axes and thus also in the direction of a longitudinal axis of the rail extension device relative to one another by means of the rolling body device, the rolling body device being a separate unit relative to the two rails.
  • the invention also relates to a household appliance, in particular for
  • Domestic appliance is in particular a cooking appliance with a cooking chamber, can be introduced into the food for cooking.
  • the rail extension device is preferably arranged on a vertical side wall of the muffle, which delimits the cooking space, and a food support that can be attached to the rail extension device can then be pushed in and pulled out in the depth direction of the household appliance.
  • top, bottom, front, “rear”, “horizontal”, “vertical”, “depth direction”, “width direction”, “height direction” etc. are in the intended use and proper arrangement of the support frame or the module or the device and given at a then before the device standing and looking in the direction of the device given positions and orientations.
  • Fig. 1 is a schematic perspective view of an embodiment of a household appliance according to the invention
  • Fig. 2 is a perspective view of a first embodiment of a
  • inventive rail extension device with a first
  • FIG. 3 shows a partial view of components of the rail extension device according to FIG. 2;
  • FIG. 4 is an illustration of the components of FIG. 3 viewed from another perspective;
  • FIG. Fig. 5 is a sectional view of the rail extension device of FIG. 2;
  • FIG. 6 is a perspective view of another embodiment of a WälzShips invention.
  • FIG. 7 is a perspective view of another embodiment of a rail extension device according to the invention with a
  • FIG. 8 is a sectional view through the embodiment of a rail expansion device according to the invention according to FIG. 7;
  • FIG. 9 is a perspective sectional view of the embodiment of FIG. 7;
  • FIG. 10 is a perspective view of another embodiment of a rail extension device.
  • a household appliance 1 is shown in a simplified perspective view, which is designed for preparing food and is for example a cooking appliance.
  • the household appliance 1 comprises a housing 2, in which a cooking chamber 3 is formed which is bounded by walls of a muffle 4.
  • the household appliance 1 comprises a door 5, which is designed to close the cooking chamber 3 and is pivotally mounted on the housing 2.
  • an operating and / or display device 6 is present.
  • a plurality of rail extension devices 7 are arranged on opposite vertical side walls 4a and 4b of the muffle 4 .
  • the rail extension devices 7 are arranged in pairs opposite each other at the same elevations along a height direction (y-direction), so that in this way also insertion levels are defined.
  • a food support such as a grid or a fat pan or a baking tray can be placed and thus in the depth direction (z direction) are pushed into the cooking chamber 3 or pulled out of the cooking chamber 3.
  • FIG. 2 is a perspective view of an embodiment of a
  • Rail extension device 7 shown. Only schematically can be seen here a WälzSystemvorraum 10, which is arranged in a gap 7c between a first rail 8 and a second rail 9.
  • the rails 8 and 9 are in the direction of a longitudinal axis L of the rail extension device 7, which also correspond to the longitudinal axes of the rails 8 and 9, slidably mounted.
  • the first rail 8 is here a running rail and the second rail 9 is here a fixed rail.
  • Fig. 3 are
  • the WälzSystemvorraum 10 is in a height direction which is oriented perpendicular to the longitudinal axis L and is oriented in the mounted state of the rail extension device 7 in the cooking chamber 3 in the y-direction, height adjustable.
  • the rolling element device 10 comprises a
  • Wälzoresites 1 which has two support rods 12 and 13 in the embodiment.
  • the support bars 12 and 13 are rigid and unchangeable in length.
  • the support rods 12 and 13 are rotatably connected to each other at a single pivot point 1 1 a, so that it results in the height adjustment.
  • the height adjustment is symbolized here by the arrows P.
  • Rolling elements 15 and 14 an upper, first raceway 18 of the second rail 9, said raceway 18 is formed on a roof wall 19 of the second rail 9.
  • the height adjustment is discrete, but preferably continuous.
  • the height adjustment is discrete, but preferably continuous.
  • Wälz Scientificvorraum 10 has at least one spring element, by means of which a spring bias of the support rods 12 and 13 is formed to each other and is formed in the illustrated embodiment to the effect that the support rods 12 and 13 at their respective opposite ends 13a and 12b and 12a to 13b pressed towards each other.
  • a spring bias of the support rods 12 and 13 is formed to each other and is formed in the illustrated embodiment to the effect that the support rods 12 and 13 at their respective opposite ends 13a and 12b and 12a to 13b pressed towards each other.
  • FIG. 4 the embodiment according to FIG. 2 and FIG. 3 is shown, wherein here a different perspective to FIG. 3 is shown and in addition the first rail 8 is arranged.
  • the WälzSystemvorettivoretti 10 is slidably disposed in the direction of the longitudinal axis L relative to both rails 8 and 9 in the intermediate space 7c.
  • This upper first track 22 on the first rail 8 is formed on one of the second rail 9 and thus also the raceway 18 facing inside a roof wall 23 of the first rail 9.
  • the lower rolling elements 16 and 17 in such a configuration preferably then also a second, lower raceway 24 on the first rail 8 additionally and simultaneously to contact the second lower raceway 21 on the bottom wall 20 of the second rail 9 contact ,
  • This second lower raceway 24 on the rail 8 is in particular on an inner side and thus on one of the second Runway 21 of the second rail 9 facing inside of the bottom wall 25 is formed.
  • FIG. 5 shows a sectional view of the rail extension device 7 according to FIGS. 2 to 4.
  • a further embodiment of a WälzSystemvorraum 10 is shown in a perspective view.
  • the WälzSystemvortechnik 10 has a first upper support unit 26 which has two mutually parallel support bracket 26a and 26b. Between these
  • Carrier brackets 26a and 26b are arranged rolling elements 14, 15 rotatably mounted.
  • the WälzSystem 10 also includes a second separate carrier unit 27, which is constructed in accordance with the first carrier unit 26 and has brackets 27 a and 27 b. Again, according to rolling elements 16 and 17 are rotatably mounted between these brackets 27 a and 27 b arranged.
  • Carrier units 26 and 27 are spaced apart in the height direction and oriented parallel to one another.
  • the WälzShtechnik 10 comprises a connecting element 28 which is designed as a connecting rod and is designed in particular nostinunver Slich.
  • the connecting element 28, which is a separate component to the carrier units 26 and 27, connects these two carrier units 26 and 27.
  • Connecting element 28 rotatably connected to the first upper support unit 26, in particular with a bracket, preferably the bracket 26 b, connected.
  • the connecting element 28 is also rotatably connected to the lower, second support unit 27, wherein here an opposite second end 28b of the connecting element 28 is rotatably connected to a bracket, in particular the bracket 27b.
  • the rolling elements 14 has two Wälz analysesmaschine 14a and 14b has, which are spaced apart from each other and each for contacting a track on a rail 8, 9 are formed.
  • the other rolling bodies 15 to 17 are each designed in such a multi-part manner.
  • WälzShmaschinemaschine 15a, 15b, 16a, 16b, 17a and 17b are formed.
  • the respective upper rolling elements 14 and 15 can not only be changed upwards or downwards by the same values in the height direction, but also be adjusted in height by different values, which is also possible by a certain tilting of the support rods 12 and 13 about the pivot point 1 1 a to each other on the one hand, and by the corresponding
  • FIG. 7 shows a perspective illustration of a further exemplary embodiment of a rail extension device 7, in which a rolling body device 10 according to the embodiment in FIG. 6 is installed.
  • the second rail 9 is formed as a rod with a rhombic cross-section and has a raised upright smooth area 9a, which is formed in saddle roof-like cross section. At the respective at an angle to each other
  • Saddle roof surfaces are formed tracks on which the respective WälzArchitectmaschine the rolling elements 14 and 15 respectively bear individually contacting and roll.
  • Fig. 8 is a sectional view perpendicular to a in the context
  • Runway surfaces 29a and 29b has. It can be seen here that the rolling body part 15a contacts the raceway surface 29a and the rolling body part 15b contacts the other Raceway surface 29b contacted. Through this upwardly oriented tip shape
  • a displacement in the width direction can be prevented as best as possible and a particularly straight running action of the rolling element 15 on the second rail 9 can be achieved.
  • the rolling element 15 is also contacted with a track 30 on the first rail 8, wherein this track 30 is also formed uneven in this sectional view.
  • the rolling body part 15a contacts a first raceway surface 30a and the rolling body part 15b has a second raceway surface 30b arranged at an angle thereto.
  • the lower rolling element 16 is also contacted with its Wälz analyses former 16 a and 16 b at different tracks. It is provided here that the Wälzterrorismteil 16a on a first raceway surface 31 a of a lower second race 31 of the second rail 9 and the Wälzoasateil 16 b contacted at an angle thereto arranged raceway surface 31 b.
  • This track 31 is again in turn uneven in this sectional view shown, in particular formed symmetrically to the track 29.
  • the Wälzterrorismteil 16 a contacted a second track 32 of the first rail 8.
  • This second lower track 32 also has a unevenness in this sectional view.
  • the rolling body part 16a contacts a first raceway surface 32a and the second rolling body part 16b contacts a second raceway surface 32b.
  • These groove-like embodiments of the raceways 30 and 32 improve this particular straight-line rolling movement of the rolling elements 14 and 15 and 16 and 17.
  • the rail extension device 7 according to FIG. 8 is shown in a perspective sectional view.
  • Fig. 10 is shown in a partial view and in perspective another
  • the rolling element device 10 comprises two separate rolling element units
  • the front WälzMap 10 a is here fixedly connected to a front end of the second rail 9.
  • the separate second WälzMechtechnik 10b is fixedly mounted in the mounted state at a rear end 8b of the first rail 8, in particular clipped.
  • the second rail 9 extends through the trough-shaped second Wälzoasatician 10 b.
  • WälzSystemicaen 10a and 10b are each arranged in particular a plurality of rolling elements rotatably mounted, in each case a WälzSystemska 10c and 10f are formed for this purpose.
  • a WälzSystemtec 10 c is provided, which is adjustable in height.
  • an arm 10d is arranged movably on a base part 10e, in particular movably arranged such that a
  • Height adjustment is achieved.
  • this height adjustment is achieved in terms of a distance between two rolling elements 14 and 16, which are arranged one above the other in this height direction.
  • the upper rolling element 14 is arranged rotatably on the base part 10e and the lower rolling element 16 on the arm 10d which can be changed in the height direction relative to the base part 10e.
  • the arm 10d is arranged pivotable about a oriented in the width direction of pivot axis on the base part 10e, which is pivotable by this pivoting dimensioned in the height direction distance between the arm 10d and the base part 10e and thus between the rolling elements 14 and 16.
  • Biasing force of the spring element takes place in the height direction.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Abstract

L'invention concerne un dispositif (10) à corps roulants pour un dispositif de sortie sur rails (7), lequel dispositif à corps roulants comprend un support (11, 10c, 10f) de corps roulants sur lequel plusieurs corps roulants (14, 15, 16, 17) sont montés en rotation. La hauteur (H) du support (11, 10c, 10f) de corps roulants, qui est mesurée perpendiculairement à un axe longitudinal (L) du dispositif à corps roulants (10), est réglable. L'invention concerne également un dispositif de sortie sur rails (7) et un appareil ménager (1).
PCT/EP2017/073083 2016-09-28 2017-09-14 Dispositif à corps roulants pour un dispositif de sortie sur rails, dispositif de sortie sur rails et appareil ménager WO2018059942A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016218757.0A DE102016218757A1 (de) 2016-09-28 2016-09-28 Wälzkörpervorrichtung für eine Schienenauszugsvorrichtung, Schienenauszugsvorrichtung und Haushaltsgerät
DE102016218757.0 2016-09-28

Publications (1)

Publication Number Publication Date
WO2018059942A1 true WO2018059942A1 (fr) 2018-04-05

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Application Number Title Priority Date Filing Date
PCT/EP2017/073083 WO2018059942A1 (fr) 2016-09-28 2017-09-14 Dispositif à corps roulants pour un dispositif de sortie sur rails, dispositif de sortie sur rails et appareil ménager

Country Status (2)

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DE (1) DE102016218757A1 (fr)
WO (1) WO2018059942A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019215448A1 (de) * 2019-10-09 2021-04-15 BSH Hausgeräte GmbH Haushaltsgerät mit spezifischer Lagervorrichtung mit einer balkenartigen Lagerrinne für einen Schienenauszug

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19949239A1 (de) 1999-10-13 2001-04-26 Aeg Hausgeraete Gmbh Auszugsvorrichtung für Gargutträger im Garraum von Garöfen
DE10240146A1 (de) * 2002-08-30 2004-03-11 BSH Bosch und Siemens Hausgeräte GmbH Backofen mit Linearauszug
DE102004031723A1 (de) * 2004-06-30 2006-01-26 BSH Bosch und Siemens Hausgeräte GmbH Auszugsystem
WO2014032998A2 (fr) * 2012-08-30 2014-03-06 Paul Hettich Gmbh & Co. Kg Glissière de tiroir, appareil ménager et meuble munis d'une glissière de tiroir, et kit de montage ultérieur
DE102014217633A1 (de) * 2014-09-03 2016-03-03 BSH Hausgeräte GmbH Auszugssystem und Haushaltsgargerät

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19949239A1 (de) 1999-10-13 2001-04-26 Aeg Hausgeraete Gmbh Auszugsvorrichtung für Gargutträger im Garraum von Garöfen
DE10240146A1 (de) * 2002-08-30 2004-03-11 BSH Bosch und Siemens Hausgeräte GmbH Backofen mit Linearauszug
DE102004031723A1 (de) * 2004-06-30 2006-01-26 BSH Bosch und Siemens Hausgeräte GmbH Auszugsystem
WO2014032998A2 (fr) * 2012-08-30 2014-03-06 Paul Hettich Gmbh & Co. Kg Glissière de tiroir, appareil ménager et meuble munis d'une glissière de tiroir, et kit de montage ultérieur
DE102014217633A1 (de) * 2014-09-03 2016-03-03 BSH Hausgeräte GmbH Auszugssystem und Haushaltsgargerät

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