EP2988068A1 - Système de rallonge téléscopique et appareil de cuisson ménager - Google Patents

Système de rallonge téléscopique et appareil de cuisson ménager Download PDF

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Publication number
EP2988068A1
EP2988068A1 EP15181224.5A EP15181224A EP2988068A1 EP 2988068 A1 EP2988068 A1 EP 2988068A1 EP 15181224 A EP15181224 A EP 15181224A EP 2988068 A1 EP2988068 A1 EP 2988068A1
Authority
EP
European Patent Office
Prior art keywords
telescopic extension
extension system
running rail
bearing cage
stop elements
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.)
Ceased
Application number
EP15181224.5A
Other languages
German (de)
English (en)
Inventor
Philipp Nather
Stefan Sojer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2988068A1 publication Critical patent/EP2988068A1/fr
Ceased 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
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/17—Drawers used in connection with household appliances

Definitions

  • the present invention relates to a telescopic extension system for a Marshsgar réelle and a Mullsgar réelle.
  • the DE 10 2008 035 078 A1 describes such a telescopic extension system for a Movable Vehicle with an inner track, a middle track and an outer track.
  • a latching device is provided which is adapted to lock the inner track rail and the outer track rail with the middle track rail.
  • the DE 10 2011 052 824 A1 describes a telescopic extension system with a fixed and a movable running rail, which are mounted relative to one another via rolling bearing, which are received by a rolling bearing cage, relative to each other.
  • the rails have at least one stop to limit the displacement of the movable track rail.
  • the stop projects into a displacement path of the roller bearing cage to near a rotational axis or to at least half of the radius of the rolling elements.
  • an object of the present invention is to provide an improved telescopic extension system.
  • a telescopic extension system for a Movable Sea with a first track, a second track and arranged between the first track and the second track rail bearing means comprising a roller bearing cage and a plurality of housed in the rolling bearing cage rolling bearing body proposed.
  • the first running rail and the second running rail are displaceable relative to each other between a retracted state and an extended state of the telescopic extension system, wherein on the first running rail and on the second running rail each one stop element is provided for the roller bearing cage, wherein one of the stop elements during displacement of the first track and the second track from the extended state in the retracted state of the telescopic extension system can be applied to the roller bearing cage to the bearing device when moving the telescopic extension system from the extended state in to shift the retracted state to a defined starting position, in which the bearing device is arranged between the stop elements.
  • an offset of the rolling bearing cage is permitted when moving the telescopic extension system from the retracted state to the extended state.
  • the stop members which are provided on the rails, the rolling bearing cage each time back to its original position. This prevents that the offset of the rolling bearing cage added at each extraction process. It is therefore only a slight cage offset to calibrate each time you insert the telescopic extension system. This ensures that the telescopic extension system over its entire life, despite lower lubrication due to pyrolysis or cleaning in a household appliance, such as a dishwasher, his Auszugsweg fully exploited. As a result, a reliably usable rest stop can be ensured.
  • the rails can also be referred to as guide rails.
  • the retracted state can also be referred to as an inserted state
  • the extended state can also be referred to as an extended state.
  • the first running rail can be fastened to or in a cooking chamber of the household cooking appliance.
  • the first running rail can be fastened to a side wall of the cooking chamber.
  • a telescopic extension system is provided in each case on two opposite side walls of the cooking chamber.
  • the rolling bearings are spherical.
  • the rolling bearing body may be formed, for example, barrel or cone-shaped.
  • the telescopic extension system has a locking device, which is adapted to lock the first track rail and the second track rail in the extended state of the telescopic extension system with each other.
  • the stop elements are formed as separate components.
  • the stop elements may be formed, for example, as pins, bolts, screws, rivets or the like.
  • the stop elements are integrally formed with the respective track rail material.
  • the stop elements may be formed as embossments, exhibitions, protrusions or bends of the respective track.
  • a distance between the stop elements in the retracted state of the telescopic extension system corresponds to a length of the roller bearing cage.
  • the distance between the stop elements is slightly larger than the length of the rolling bearing cage, so that the stop of the roller bearing cage on the stop elements of the rolling bearing cage remains free of force. As a result, the rolling bearing cage is not loaded during insertion.
  • the distance between the stop elements can correspond at most to the length of the roller bearing cage.
  • the distance between the stop members is slightly larger than the length of the rolling bearing cage.
  • the roller bearing cage can be arranged exactly between the stop elements.
  • the telescopic extension system on the first track and the second track rail provided further stop elements on which in each case a rolling bearing body is applied in the extended state of the telescopic extension system.
  • the further stop elements preferably protrude into the middle of the rolling elements in an intermediate space provided between the rails.
  • the further stop elements prevent the bearing device from falling out between the rails.
  • the telescopic extension system is capable of pyrolysis.
  • the telescopic extension system can also be used at temperatures over 450 °.
  • the telescopic extension system may moreover be suitable for being cleaned in a dishwasher.
  • the roller bearing cage bears against at least one of the stop elements.
  • the rolling bearing cage abuts only one of the stop elements.
  • the rolling bearing cage can abut against both stop elements.
  • the household appliance is in particular an oven, a microwave oven, a steamer or a microwave oven.
  • the Langsgarford preferably has a plurality of such telescopic extension systems.
  • the Fig. 1 shows a schematic perspective view of a Mossgar réelles 1.
  • the Swsgar réelle 1 is for example an oven, a microwave oven, a microwave oven or the like.
  • the Swsgar réelle 1 has a muffle or a cooking chamber 2, which is closed by a door 3.
  • the cooking chamber 2 may be arranged inside a housing of the Sellsgar réelles 1.
  • the door 3 is in the Fig. 1 shown in their closed position. By pivoting about a provided at a lower end of the door 3 pivot axis, the door 3 can be closed or opened. Alternatively, the door 3 can be struck laterally on the cooking chamber 2. Furthermore, the door 3 can be arranged on a withdrawable from the cooking chamber 2 baking carriage. At an upper portion of the door 3, a handle 4 may be provided.
  • the cooking chamber 2 has a bottom 5, a cover 5 arranged opposite the bottom 5, a rear wall 7 arranged opposite the door 3 and two side walls 8, 9 arranged opposite one another.
  • the cooking chamber 2 is preferably cuboid or cube-shaped.
  • the cooking chamber 2 may be made of a metal material, in particular of a steel sheet.
  • the Fig. 2 shows an accessory carrier 10 for the cooking chamber 2 of the Swsgar réelles 1.
  • the accessory carrier 10 may be a so-called Ein Weggestell or side rails of Mullsgar réelles 1.
  • such an accessory carrier 10 is arranged on each side wall 8, 9 of the cooking chamber 2.
  • the accessory carrier 10 can be removed from the cooking chamber 2.
  • the accessory carrier 10 has horizontally extending struts 11 and vertically extending struts 12. In the Fig. 2 is in each case only one of the struts 11, 12 provided with a reference numeral.
  • a telescopic extension system 13 is provided on the accessory carrier 10. On the accessory carrier 10, more telescopic extension systems 13 may be provided. The telescopic extension system 13 can be detachably fastened to the accessory carrier 10. Alternatively, the telescopic extension system 13 may be attached directly to one of the side walls 8, 9. Preferably, at least one such telescopic extension system 13 is provided on each side wall 8, 9.
  • the telescopic extension system 13 has a first or inner running rail 14 and a second or outer running rail 15.
  • the rails 14, 15 may also be referred to as guide rails.
  • the first running rail 14 is fastened by means of the accessory carrier 10 or directly to one of the side walls 8, 9.
  • the 3 and 4 show the telescopic extension system 13 each in a schematic sectional view.
  • the Fig. 3 shows the telescopic extension system 13 in a retracted state.
  • the Fig. 4 shows the telescopic extension system 13 in an extended state. The following is on the 3 and 4 simultaneously referred to.
  • the retracted state may also be referred to as an inserted state and the extended state may also be referred to as an extended state.
  • a bearing device 16 is arranged, which has a roller bearing cage 17 and a plurality of received in the rolling bearing cage 17 rolling bearing body 18.
  • the number of rolling bearing body 18 is arbitrary.
  • the rolling bearing body 18 are for example balls.
  • the rolling bearing body 18 are rotatably received in the rolling bearing cage 17.
  • the rails 14, 15 are supported by means of the bearing device 16 together.
  • a first stop member 19 is provided at the first track 14 .
  • a second stop member 20 is provided at the second running rail 15 .
  • the stop elements 19, 20 protrude so far into a gap 21 between the rails 14, 15 that the stop elements 19, 20 can touch the roller bearing cage 17 and not the roller bearing body 18.
  • the stop elements 19, 20 are spaced from each other at a distance a.
  • the rolling bearing cage 17 has a length l. The length l is at most as large as the distance a. Preferably, the length l is slightly smaller than the distance a.
  • the bearing device 16 is positioned between the stop elements 19, 20. In the retracted state of the telescopic extension system 13, the roller bearing cage 17 of one of the stop elements 19, 20 touch.
  • a locking device 22 which is adapted to lock the first track 14 and the second track rail 15 in the extended state of the telescopic extension system 13 with each other.
  • FIGS. 5 and 6 show the telescopic extension system 13 in each case in its extended state. Due to the normal movement of the telescopic extension system 13, the roller bearing bodies 18 roll on the respective rails 14, 15. However, since the rolling bearing body 18 must be designed with a certain play to the rails 14, 15 so as not to jam, it comes isolated in addition to the pure rolling motion also to slip or Gleitan turnover. Depending on the inclination of the telescopic extension system 13 and slightly different diameters of the rolling bearing body 18, this influence can be significantly increased. The result is that the rolling bearing body 18 have already arrived at a running rail 14, 15 at the end and on the other rail 15, 14 have not yet covered the full path. The consequence is a reduced excerpt. This so-called cage offset can add up over time, so that noticeable losses of the excursion path are recorded.
  • stop elements 19, 20 of the offset of the rolling bearing cage 17 can be avoided or at least limited.
  • an offset of the rolling bearing cage 17 is allowed.
  • moving the telescopic extension system 13 from the extended to the retracted state of the roller bearing cage 17 is brought by the stop members 19, 20 each time back to a defined starting position.
  • the bearing device 16 is positioned so that the rolling bearing cage 17 abuts when displacing the telescopic extension system 13 of the extended in the retracted state of the first stop element 19.
  • the storage device 16 in the in the Fig. 3 displaced shown defined starting position, in which the bearing means 16 between the stop members 19, 20 is arranged.
  • the defined starting position is the position of the roller bearing cage 17, which theoretically exist in the retracted state of the telescopic extension system 13 must, so that the path of the bearing means 16 on the first or fixed track 14 and the second or movable track rail 15 is identical.
  • the bearing means 16 may also be positioned so that when displacing the telescopic extension system 13 from the extended state in the retracted state of the roller bearing cage 17 rests against the second stop member 20 to this again in the in the Fig. 3 to shift shown defined starting position.
  • the stop elements 19, 20 and the rails 14, 15 may be designed as separate components.
  • the stop members 19, 20 may be formed as screws, pins, bolts, rivets or the like.
  • the stop elements 19, 20 may be integrally formed with the respective track rail 14, 15.
  • the stop elements 19, 20 as bulges, embossments, exhibitions or the like of the rails 14, 15 may be formed.
  • the roller bearing cage 18 can rest against at least one of the stop elements 19, 20.
  • the rolling bearing cage 17 can also rest on both stop elements 19, 20 simultaneously.
  • the roller bearing cage 17 is preferably located only on one of the stop elements 19, 20. As a result, a mechanical load of the roller bearing cage 17 is prevented.
  • the telescopic extension system 13 is preferably capable of pyrolysis. That is, the telescopic extension system 13 can also be used at temperatures above 450 °. Since the offset of the roller bearing cage 17 is no longer added at each extraction process, only a small offset when moving the telescopic extension system 13 is to be calibrated from the extended state to the retracted state. In this way, a telescopic extension system 13 can be provided, which also over its lifetime despite lower lubrication, for example due to the cleaning of Teleskopauszugssystems 13 using pyrolysis or a dishwasher, the Auszugsweg fully exploited. This calibration measure of the roller bearing cage 17 is also essential for a reliably usable locking stop by means of the locking device 22.

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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)
  • Drawers Of Furniture (AREA)
EP15181224.5A 2014-08-19 2015-08-17 Système de rallonge téléscopique et appareil de cuisson ménager Ceased EP2988068A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014216394.3A DE102014216394A1 (de) 2014-08-19 2014-08-19 Teleskopauszugssystem und Haushaltsgargerät

Publications (1)

Publication Number Publication Date
EP2988068A1 true EP2988068A1 (fr) 2016-02-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP15181224.5A Ceased EP2988068A1 (fr) 2014-08-19 2015-08-17 Système de rallonge téléscopique et appareil de cuisson ménager

Country Status (2)

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EP (1) EP2988068A1 (fr)
DE (1) DE102014216394A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3484247A1 (fr) * 2017-11-13 2019-05-15 Accuride International GmbH Rail télescopique pour un four à micro-ondes
DE202018100931U1 (de) 2018-02-20 2019-05-23 Accuride International Gmbh Teleskopschiene für einen Mikrowellenofen

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3904254A (en) * 1973-06-14 1975-09-09 Magnus F Hagen Means for positioning ball retainer for telescoping ball bearing slide mechanisms in relationship to open or closed position of same
FR2608905A1 (fr) * 1986-12-30 1988-07-01 Signaux Entr Electriques Glissiere a billes telescopique en particulier pour tiroirs
EP1393654A1 (fr) * 2002-08-29 2004-03-03 Julius Blum Gesellschaft m.b.H. Ensemble de guidage pour glissières de tiroirs
EP1902256A1 (fr) * 2005-06-21 2008-03-26 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de sortie telescopique pour un appareil electromenager
DE102008035078A1 (de) 2008-02-28 2009-09-03 Gronbach Forschungs- Und Entwicklungs Gmbh & Co. Kg Teleskop-Auszugsführung für ein Gerät oder Möbel
DE102011052824A1 (de) 2010-08-20 2012-02-23 Paul Hettich Gmbh & Co. Kg Auszugsführung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004007227U1 (de) * 2004-05-04 2005-07-21 Grass Ges.M.B.H. Schubladenführung
DE102013102948B4 (de) * 2012-10-12 2024-02-08 Paul Hettich Gmbh & Co. Kg Auszugsführung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3904254A (en) * 1973-06-14 1975-09-09 Magnus F Hagen Means for positioning ball retainer for telescoping ball bearing slide mechanisms in relationship to open or closed position of same
FR2608905A1 (fr) * 1986-12-30 1988-07-01 Signaux Entr Electriques Glissiere a billes telescopique en particulier pour tiroirs
EP1393654A1 (fr) * 2002-08-29 2004-03-03 Julius Blum Gesellschaft m.b.H. Ensemble de guidage pour glissières de tiroirs
EP1902256A1 (fr) * 2005-06-21 2008-03-26 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de sortie telescopique pour un appareil electromenager
DE102008035078A1 (de) 2008-02-28 2009-09-03 Gronbach Forschungs- Und Entwicklungs Gmbh & Co. Kg Teleskop-Auszugsführung für ein Gerät oder Möbel
DE102011052824A1 (de) 2010-08-20 2012-02-23 Paul Hettich Gmbh & Co. Kg Auszugsführung

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3484247A1 (fr) * 2017-11-13 2019-05-15 Accuride International GmbH Rail télescopique pour un four à micro-ondes
DE102017126620A1 (de) 2017-11-13 2019-05-16 Accuride International Gmbh Teleskopschiene für einen Mikrowellenofen
CN109787046A (zh) * 2017-11-13 2019-05-21 雅固拉国际精密工业有限公司 微波炉伸缩滑轨
US11026300B2 (en) 2017-11-13 2021-06-01 Accuride International Gmbh Telescopic slide for a microwave oven
CN109787046B (zh) * 2017-11-13 2021-12-21 雅固拉国际精密工业有限公司 微波炉伸缩滑轨
DE202018100931U1 (de) 2018-02-20 2019-05-23 Accuride International Gmbh Teleskopschiene für einen Mikrowellenofen

Also Published As

Publication number Publication date
DE102014216394A1 (de) 2016-02-25

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