EP3442377A1 - Système de guidage d'extraction de tiroir à éléments roulants - Google Patents

Système de guidage d'extraction de tiroir à éléments roulants

Info

Publication number
EP3442377A1
EP3442377A1 EP17713876.5A EP17713876A EP3442377A1 EP 3442377 A1 EP3442377 A1 EP 3442377A1 EP 17713876 A EP17713876 A EP 17713876A EP 3442377 A1 EP3442377 A1 EP 3442377A1
Authority
EP
European Patent Office
Prior art keywords
guide
drawer
rolling element
rail
rolling
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Withdrawn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
EP17713876.5A
Other languages
German (de)
English (en)
Inventor
Hermann Hämmerle
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.)
Julius Blum GmbH
Original Assignee
Julius Blum 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 Julius Blum GmbH filed Critical Julius Blum GmbH
Publication of EP3442377A1 publication Critical patent/EP3442377A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • A47B88/49—Sliding drawers; Slides or guides therefor with double extensible guides or parts
    • A47B88/493—Sliding drawers; Slides or guides therefor with double extensible guides or parts with rollers, ball bearings, wheels, or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/04—Ball or roller bearings
    • F16C29/048—Ball or roller bearings with thin walled races, e.g. tracks of sheet metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2314/00—Personal or domestic articles, e.g. household appliances such as washing machines, dryers
    • F16C2314/70—Furniture
    • F16C2314/72—Drawers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/005—Guide rails or tracks for a linear bearing, i.e. adapted for movement of a carriage or bearing body there along

Definitions

  • the invention relates to a drawer extension with the features of the preamble of claim 1. Furthermore, a drawer and a piece of furniture with a drawer extension guide according to the invention should be specified.
  • Drawer extension guides of the type mentioned in the introduction are already part of the prior art and are shown, for example, in WO 2014/07142 A.
  • Drawer extension guides usually have a certain deficiency in torsional and torsional stability due to their elongated and very narrow construction. This is compensated for example by the Wälzköper, which are stored for a horizontal and vertical and transfer the forces from one rail to the next rail, one rail is firmly connected to a drawer and the other rail with the furniture body.
  • surfaces arranged at an angle to one another on rails are provided with one or more rolling elements, in order to be able to produce a certain torsional and torsional stability.
  • the running surface of the rail has at least one first guide web extending in the longitudinal direction for laterally guiding the at least one rolling element, it is not possible for the rolling element to tip over laterally.
  • the rolling element extends on the one hand on its peripheral side along a tread.
  • the weight forces of the drawer are absorbed circumferentially by the rolling elements.
  • the rolling element also contacts laterally the guide web, which is connected to one of the rails or the running surfaces arranged thereon.
  • the rolling element is stabilized against tilting out of its horizontal roll axis.
  • the rolling element is limited or blocked due to the contact with the guide bar in its movements in the direction of the roll axis. A movement of the rolling element transverse to the longitudinal axis of the drawer extension guide is not possible.
  • FIG. 2 is a sectional view of a drawer extension with a tread and a rail in one piece
  • FIG. 5 is a sectional view of a drawer pull-out with independent running elements
  • Fig. 6 is a detail drawing of Figure 5 and
  • FIG. 7 shows a drawer with a drawer pull-out in a piece of furniture.
  • FIG. 1 shows the state of the art.
  • the rails 1, 2 are movably connected to each other via the rolling elements 4 and spacer rollers 40.
  • the rolling elements 4 take as so-called rollers the resulting weight forces of the drawer 101 circumferentially on.
  • the vertically oriented spacer roller 40 with the vertical roll axis RAv absorbs the forces resulting from the twisting and twisting along the drawer pull-out guide 100 and supports the rail 1 to the rail 2. Due to the spacer rollers 40 with the vertical roll axis RAv, the drawer pull-out guide 100 must be made wider to make room for the spacer rollers 40.
  • FIG. 1 shows that the spacer roller 40 with the vertical roll axis RAv has a broadly dimensioned roll-off region, which can contribute to additional noise during the movement of the drawer pull-out guide 100 or to impairment of the running properties of the drawer pull-out guide 100.
  • FIG. 2 shows an exemplary embodiment of a drawer pull-out guide 100 with a rolling element 4 as a roller, which is arranged between the rails 1, 2.
  • the rail 1, 2 in this case has a tread 3.
  • the running surface 3 of the rail 1, 2 also has a longitudinal direction LR of the drawer extension guide 100 extending first guide web 5, which leads the at least one rolling element 4 side.
  • the at least one rolling body 4 also has an end face 7, which is designed for lateral abutment on the guide web 5 and contacted during the relative movement of the rails 1, 2 at least in sections.
  • the rolling element 4 is in this case with a certain side play between the two guide webs 5, 6.
  • the Wälzköper 4 a second end face 8 to rest on the guide web 6, which at least in sections during the relative movement of the rail 1, 2, the second guide web contacted.
  • the rolling element 4 can not move in the direction of the roll axis RA, since this is forcibly guided by the guide webs 5, 6.
  • the running surface 3 is also formed by the rail 1.
  • the Running surface 3 can thus be formed by the rail 1, 2 itself or by an independent element.
  • FIG. 3 shows the rolling element 4 embedded in the running surfaces 3.
  • the rolling element 4 has a substantially cylindrical lateral surface.
  • the guide webs 5, 6 are executed bead-like in this embodiment and reduce in this way the contact with the end faces 7, 8 to a necessary minimum, since they contact only at one point with the end faces 7,8 and not flat. If the contact between the guide webs 5, 6 and the end faces 7, 8 take place over a large area, an unwanted friction in this area would occur when rolling the rolling element 4, which could adversely affect the smoothness and longevity of the drawer extension guide 100. In order to improve the smoothness and longevity also, it is provided that extending parallel to the guide web 5, 6 notch 10 extends in the transition between the running surface 3 and guide web 5, 6.
  • This notch 10 reduces the friction in the transition region between the circumferential tread of the rolling element 4 and the end faces 7, 8. A sharp-edged transition in this area could cause tilting of the rolling element 4, which would lead to blocking or aggravating the running movement and the drawer extension guide 100.
  • the Wälzköper 4 is rounded or chamfered in the transition region between the peripheral side and end faces 7, 8 with a chamfer.
  • the at least one rolling element 4 has a roll axis RA, which extends horizontally in the installed position. It is shown that the at least one rolling element 4 has a rolling element width WB which substantially corresponds to a tread width LB.
  • the rolling element 4 can not move in the axial direction of the roll axis RA and is held by the guide webs 5, 6 in its position.
  • the tread width is defined by the distance between the mutually parallel guide webs 5, 6.
  • the at least one rolling body has a bearing width AB, which is preferably 0.6 to 0.99 times, particularly preferably 0.08 to 0.95 times, the rolling body width WB.
  • a fold, bevel or a shoulder between the circumferential side of the rolling element 4 and its end faces 7, 8 is generated. These influence the smoothness of the rolling element 4 positively.
  • the height HF of the guide web 5, 6 extends at least over 5% of the diameter DW of the rolling body 4.
  • the height HF also extends more than 30% of the maximum Diameter DW.
  • Figure 4 shows a cage 1 1 for receiving the at least one rolling element 4.
  • the running surfaces 3 are formed by independent elements. These are connected by means of a fastening portion 9 with the rails 1, 2. The connection is made by gluing, riveting or another form of non-positive or cohesive connection. Furthermore, the treads 3 can be easily inserted into provided depressions or elevations on the rails 1, 2, wherein a positive connection is formed.
  • a plurality of running elements 13, 14, 15, 16 are shown. These running elements form the running surfaces 3.
  • the cage 1 1 has essentially two superimposed rows. The upper row is provided with at least one upper rolling element 4, the lower row with at least one lower rolling element 4.
  • Each rolling element 4 requires an upper and a lower running surface 3, which for the upper rolling elements 4 through the upper running element 13 and the middle running element 14 are formed.
  • the lower rolling element 4 contacts on its upper side the intermediate running element 15 and on its lower side the lower running element 16.
  • the at least one upper rolling element 4 receives in the upper row of the cage 1 1 the weight forces of the drawer 101.
  • the rolling elements 4 located in the lower row of this cage 11 take over the tilting moment which is produced by the pulled-out rails 1, 2 or pulled drawer pull-out guide 100 and the weight of the drawer 101.
  • a deflection of the rolling element 4 in the direction of its roll axis RA is prevented via the guide webs 5, 6.
  • FIG. 5 shows an embodiment of a drawer pull-out guide 100 shown in a cutaway view.
  • the position of the upper running element 13, middle running element 14, intermediate element 15 and the lower running element 16 is dependent on the arrangement of the rails 1, 2.
  • the rails 1, 2 are C-shaped and intermesh.
  • the running surfaces 3 due to the configuration by the different running elements 13, 14, 15, 16 be formed by a different material than the at least one rail 1, 2.
  • a harder material than that of the rail 1, 2 are used.
  • the harder material ensures a longer lifetime of the drawer pull-out guide 100. If a softer material is used - such as plastic, this can contribute positively to the smoothness of drawer extension guide 100.
  • the material properties of the running elements 13, 14, 15, 16 must be adapted to the material properties of the rolling elements 4.
  • the at least one rolling element 4 has a roll axis RA, wherein in the installed position of the drawer extension guide 100 exclusively rolling elements 4 with a substantially horizontal roll axis RA are in use.
  • the vertical roll axis RAv as shown in Figure 1 as prior art, is eliminated - there are no vertically extending spacer rollers, stabilizing or supporting body, which must contribute to the torsional rigidity. This is produced by the guide webs 5, 6 of the running elements 13, 14, 15, 16.
  • at least one of the guide webs 5, 6 is formed integrally with the tread 3.
  • FIG. 6 shows the detail A from FIG. 5. It can be seen how the rolling elements 4 are positioned on their running surfaces 3 of the running elements 13, 14, 15, 16.
  • the running elements 13, 14, 15, 16 are connected via the attachment portion 9 with the rail 1, 2. It would be conceivable that more rails are used. For example, a middle rail could also be provided for full extension drawer extension guides 100. In this case, additional rolling elements 4 and additional running surfaces 3 with guide webs 5, 6 are required.
  • FIG. 7 shows a drawer 101 which can be moved along a longitudinal direction LR and has a drawer extension guide 100 according to the invention fastened in a furniture carcass 102 of a piece of furniture 103.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drawers Of Furniture (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Abstract

L'invention concerne un système de guidage d'extraction de tiroir (100) comprenant : au moins deux coulisses (1, 2) montées de manière à pouvoir être déplacées l'une par rapport à l'autre, au moins une surface de roulement (3) s'étendant dans la direction longitudinale (LR) des coulisses (1, 2) étant disposée sur au moins une des coulisses (1, 2), au moins un élément roulant (4) à transmission de charge disposé entre les coulisses (1, 2) étant monté de manière à pouvoir être déplacé le long de la surface de roulement (3) lors d'un mouvement relatif des coulisses (1, 2), ladite surface de roulement (3) des coulisses (1, 2) comportant au moins un premier élément jointif de guidage (5) s'étendant dans la direction longitudinale (LR) et conçu pour guider latéralement l'élément ou les éléments roulant(s) (4).
EP17713876.5A 2016-04-15 2017-03-13 Système de guidage d'extraction de tiroir à éléments roulants Withdrawn EP3442377A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT503352016 2016-04-15
PCT/AT2017/060063 WO2017177248A1 (fr) 2016-04-15 2017-03-13 Système de guidage d'extraction de tiroir à éléments roulants

Publications (1)

Publication Number Publication Date
EP3442377A1 true EP3442377A1 (fr) 2019-02-20

Family

ID=58428013

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17713876.5A Withdrawn EP3442377A1 (fr) 2016-04-15 2017-03-13 Système de guidage d'extraction de tiroir à éléments roulants

Country Status (6)

Country Link
EP (1) EP3442377A1 (fr)
JP (2) JP2019511327A (fr)
CN (1) CN109068852A (fr)
AT (1) AT15548U1 (fr)
DE (1) DE202017007151U1 (fr)
WO (1) WO2017177248A1 (fr)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT361655B (de) * 1975-04-26 1981-03-25 Kumepa Patent Gmbh Ets Schubladenfuehrung
DE2721451A1 (de) * 1977-05-12 1978-11-16 Bbp Kunststoffwerk Schubkastenfuehrung fuer moebel
AT360699B (de) * 1979-07-19 1981-01-26 Blum Gmbh Julius Ausziehfuehrungsgarnitur fuer schubladen od. dgl.
AT413186B (de) * 2002-04-02 2005-12-15 Fulterer Gmbh Unterbodenausziehführung für ausziehbare möbelteile
DE3245209C2 (de) * 1982-12-07 1986-03-20 Nixdorf Computer Ag, 4790 Paderborn Teleskopschiene für Schubfächer und dgl.
AT390360B (de) * 1986-05-02 1990-04-25 Blum Gmbh Julius Ausziehfuehrung fuer schubladen od. dgl.
JP2002000376A (ja) * 2000-06-21 2002-01-08 Sobi Kogei:Kk スライドレール
AT504376B1 (de) * 2006-10-18 2011-07-15 Blum Gmbh Julius Ausziehführung für schubladen
AT509540B1 (de) * 2010-02-25 2012-05-15 Blum Gmbh Julius Ausziehführung für schubladen
JPWO2014007142A1 (ja) 2012-07-06 2016-06-02 日本ゼオン株式会社 電気二重層キャパシタ用バインダー組成物
AT512934B1 (de) * 2012-11-12 2013-12-15 Blum Gmbh Julius Schubladenausziehführung
DE102014104135B4 (de) * 2014-03-25 2024-01-18 Paul Hettich Gmbh & Co. Kg Auszugsführung für einen Schubkasten
DE202014103864U1 (de) * 2014-08-20 2015-11-23 Grass America, Inc. Ausziehführung zur Führung einer Schublade sowie Möbel mit einer Ausziehführung

Also Published As

Publication number Publication date
JP3229980U (ja) 2020-12-24
CN109068852A (zh) 2018-12-21
AT15548U1 (de) 2017-12-15
WO2017177248A1 (fr) 2017-10-19
JP2019511327A (ja) 2019-04-25
DE202017007151U1 (de) 2019-10-02

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