WO2022122503A1 - Dispositif à extraction à élévation-abaissement, et meuble ou appareil électroménager - Google Patents

Dispositif à extraction à élévation-abaissement, et meuble ou appareil électroménager Download PDF

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Publication number
WO2022122503A1
WO2022122503A1 PCT/EP2021/083765 EP2021083765W WO2022122503A1 WO 2022122503 A1 WO2022122503 A1 WO 2022122503A1 EP 2021083765 W EP2021083765 W EP 2021083765W WO 2022122503 A1 WO2022122503 A1 WO 2022122503A1
Authority
WO
WIPO (PCT)
Prior art keywords
rail
coupled
lifting
furniture
lowering
Prior art date
Application number
PCT/EP2021/083765
Other languages
German (de)
English (en)
Inventor
Benjamin BEXTERMÖLLER
Arnold GURR
Original Assignee
Paul Hettich Gmbh & Co. Kg
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 Paul Hettich Gmbh & Co. Kg filed Critical Paul Hettich Gmbh & Co. Kg
Priority to EP21835593.1A priority Critical patent/EP4258939A1/fr
Publication of WO2022122503A1 publication Critical patent/WO2022122503A1/fr

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
    • A47B51/00—Cabinets with means for moving compartments up and down

Definitions

  • the present invention relates to a lifting and lowering pull-out device for a shelf built into a body that can be closed by a cover, in particular a piece of furniture, according to the preamble of claim 1 .
  • the invention also relates to a piece of furniture or a household appliance with such a lifting and lowering pull-out device.
  • Generic lifting and lowering pull-out devices are used, for example, to remove shelves arranged in a furniture body of a piece of furniture, such as a drawer or a shelf, from a position inside the body of the furniture or the household appliance from this both to drive out as well as to raise or lower.
  • a cover is arranged in front of the shelf, with which the body of the piece of furniture can be closed when the shelf is pushed into the body, access to the objects stored on the shelf is often made more difficult by the cover attached to the shelf.
  • the object of the present invention is to further develop a lifting/lowering pull-out device of the generic type in such a way that access to the objects placed on the shelf is facilitated.
  • the lifting/lowering pull-out device for a shelf installed in a body that can be closed by a cover, in particular a piece of furniture, has a body rail that can be fixed in place on the body, a center rail that can be displaced and pivoted on the body rail, and a center rail that can be displaced and pivoted on the center rail Pivotably arranged storage rail that can be fixed in place on the shelf.
  • the center rail has a first profile coupled to the body rail and a second profile coupled to the storage rail, the two profiles being coupled to one another so that they can be displaced in the direction of their longitudinal axis.
  • the center rail is pivotally coupled to a control lever that can be rotated about an axis of rotation on the storage rail or the storage area and is also coupled to a pivoting mechanism for pivoting the cover.
  • the second profile of the central rail is coupled to the control lever.
  • the profiles of the center rail are coupled to one another via a slide rail.
  • the two profiles of the central rail have guide grooves which extend in the direction of their longitudinal axis and in which guide pins protruding from the inner side surfaces of the carcass rail or the storage rail are guided.
  • the body rail is coupled to the first profile of the center rail via a pivoting guide bar in order to carry out a guided pivoting movement of the center rail relative to the body rail.
  • a stabilizing element that overlaps the second profile in a direction perpendicular to its longitudinal axis and protrudes into a c-shaped receiving space of the storage rail is fixed in place on the first profile of the center rail.
  • a stabilizing element that overlaps the first profile in a direction perpendicular to its longitudinal axis and protrudes into a c-shaped receiving space of the body rail is fixed in place on the second profile of the center rail.
  • the two stabilizing elements make it possible to absorb a sufficient load and thus increase the load-bearing capacity of the lifting/lowering pull-out device.
  • the stabilizing elements consist of holding webs fastened to the side walls of the respective profile, which are connected to one another in the area of their free ends by a bolt passing through the holding webs, wheel-shaped bolt heads being arranged on the bolt ends on the outer sides of the holding webs, which are arranged in raceways the cabinet rail or the storage rail are guided.
  • the piece of furniture or household appliance according to the invention with a body and at least one raising and lowering extension device fastened in a receiving space of the body that can be covered by a cover and having a shelf, the shelf being able to be moved linearly and raised and lowered via the raising and lowering extension device is characterized by a lifting and lowering pull-out device as described above.
  • the cover is attached exclusively to the pivoting mechanism.
  • the pivoting mechanism has a first lever, which is rigidly attached to the cover and is coupled to the shelf via a pivot axis, and a second lever, which is attached at a first end is pivotally coupled at a second end to the first lever and at a second end to a second end of the control lever.
  • the lifting/lowering pull-out device is coupled to a motor for motor-driven movement of the tray.
  • an actuating handle on the cover for moving the shelf can be dispensed with.
  • the drive linkage has a first drive lever coupled to the motor and a second drive lever coupled to the shelf via a pivot axis, the drive levers being connected to one another via a rotary joint.
  • the motor can be designed without an additional drive linkage and form a drive directly on a pivot point of the lifting/lowering mechanism.
  • the pivot point between the cabinet rail and one pivoting guide web can be used.
  • Figure 1 shows a schematic perspective representation of an embodiment variant of a piece of furniture according to the invention with a cover closing a body
  • FIG. 2 shows a schematic side view of a shelf arranged in the body of the piece of furniture, which can be moved relative to the body of the piece of furniture via a lifting/lowering pull-out device according to the invention and is covered on the outside by the cover,
  • FIG. 3 shows a side view of the lifting/lowering pull-out device shown in FIG. 2 in a starting position, in which the shelf is positioned inside the body of the piece of furniture
  • FIG. 4 shows a schematic front view of the lifting/lowering pull-out device in the closed position shown in FIG. 3,
  • Figure 5 is an isometric exploded view of the lifting and lowering extension device
  • FIG. 9 shows a detailed representation of a section of the lifting/lowering pull-out device of the section designated IX in FIG. 8,
  • FIG. 19 is an exploded isometric view of the lifting and lowering extension device and the shelf and the cover covering this shelf,
  • FIG. 20 an isometric view corresponding to FIG. 19 showing only the tray, the cover, the pivoting mechanism for the cover and the control lever of the lifting/lowering pull-out device
  • FIG. 21 shows a schematic side view, corresponding to FIG
  • FIG. 22 shows an illustration corresponding to FIG. 11 of the embodiment variant shown in FIG. 21 with the shelf completely pulled out of the body of the piece of furniture and slightly lowered.
  • top, bottom, left, right, front, rear, etc. refer exclusively to the exemplary representation and position of the lifting/lowering pull-out device, body rail, storage rail, middle rail, control lever, storage, selected in the respective figures. cover and the like. These terms are not to be understood as limiting, i.e. these references can change due to different working positions or the mirror-symmetrical design or the like.
  • reference numeral 1 designates a variant of a piece of furniture.
  • the piece of furniture 1 has a body 13 in which a shelf 14, as shown by way of example in FIG 10 is covered.
  • FIG. 2 The retracted state of the shelf 14 in the piece of furniture 1 is shown in FIG. 2 (without showing the furniture body 13).
  • the cover 10 is coupled to a control lever 8 of the lifting/lowering extension device 11 via a pivoting mechanism 9 .
  • the cover 10 can be moved from a closed position shown in Figure 2, in which the shelf 14 is completely retracted in the furniture carcass 13 of the furniture 1, covered by the cover 10, into a usage or operating position, as is shown, for example, in 16 or 17, can be pivoted, with the cover 10 being pivoted in the use or operating position, as can be seen clearly in FIG cover 10 would make access to tray 14 difficult.
  • the lifting/lowering pull-out device 11 has a carcass rail 2 that can be fixed in place on the carcass 13 of the piece of furniture 1 .
  • a middle rail 12 is arranged on the body rail 2 in a displaceable and pivotable manner. Next is on this center rail 12, a storage rail 3, which is fixed in place on the shelf 14, slidably and pivotally arranged.
  • the middle rail 12 has at least one first profile 4 coupled to the cabinet rail 2 and a second profile 5 coupled to the storage rail 3 .
  • the two profiles 4, 5 are slidably coupled to one another in the direction of their longitudinal axis L.
  • the two profiles 4, 5 are coupled via a slide rail 6.
  • the slide rail 6 has a first slide profile 61 and a second slide profile 62 formed on top of this first slide profile 61 .
  • Each of the slide profiles 61, 62 is accommodated in an approximately c-shaped receiving space 42, 52 of the first rail profile 4 and the second rail profile 5, respectively.
  • the displaceable and pivotable coupling of the two profiles 4, 5 with the carcass rail 2 on the one hand and the storage rail 3 on the other hand enables a longitudinal displacement along the longitudinal axis L between the storage rail 3 and the middle rail 12 or the middle rail 12 and the carcass rail 2.
  • this coupling enables pivoting of the center rail 12 relative to the cabinet rail 2 and the storage rail 3, as is shown in FIG. 7 by way of example.
  • a tilting recess 23 , 33 is provided at one end of the body rail 2 and the storage rail 3 in order to enable pivoting of the center rail 12 relative to the body rail 2 and the storage rail 3 .
  • FIGS. 6-9 show a tray 14 pulled out of the receiving space 16 of the body 13, which in this position is still displaced exclusively along the longitudinal axis L of the body rail 2 or the storage rail 3 in a direction x.
  • the center rail 12 is already slightly inclined in relation to the cabinet rail 2 and the storage rail 3 .
  • the middle rail 12 is pivotably coupled to a control lever 8 which can be rotated about an axis of rotation 17 on the storage rail 3 or the storage 14 and which, as already explained above, is connected to the pivoting mechanism 9 for pivoting the cover 10 is coupled.
  • the coupling takes place here via a swivel joint, which is arranged, in particular formed on or fastened to a connecting web 53 of a front end of the second rail profile 5 in the extension direction and which allows the control lever 8 to be pivoted relative to the second rail profile 5 by a direction perpendicular to the surface of the side wall 141 of the Storage 14 standing axis of rotation allows.
  • the axis of rotation 83 of the control lever 8 can, as shown in FIGS.
  • the pivoting guide web 7 attached to the body rail 2 is pivotally attached at a first end 71 to a connecting web 43 of the first rail profile 4 and at a second end 72 to the connecting web 24 of the body rail 2, thus enabling a controlled tilting or pivoting movement of the center rail 12 relative to the cabinet rail 2.
  • the two profiles 4, 5 In order to couple the first profile 4 to the carcass rail 2 or to couple the second profile 5 to the storage rail 3, the two profiles 4, 5 have guide grooves 41, 51 which extend in the direction of their longitudinal axis L, in which the inner side surfaces of the carcass rail 2 or Guide bolts 22, 32 protruding from the storage rail 3 are guided.
  • These guide bolts 22, 32 enable a reliable shifting movement of the profiles 4, 5 relative to the cabinet rail 2 or storage rail 3 and also allow the required pivoting movement of the profiles 4, 5 out of the plane of the cabinet rail 2 or storage rail 3 parallel to the side wall 141 of tray 14.
  • a stabilizing element 44 which overlaps the second profile 5 in a direction perpendicular to its longitudinal axis L and protrudes into a c-shaped receiving space 31 of the storage rail 3 is fixed in place on the first profile 4 on the center rail 12 .
  • a corresponding stabilizing element 54 is fixed in place on the second profile 5 of the center rail 12 such that the first profile 4 overlaps in a direction perpendicular to its longitudinal axis L and protrudes into a c-shaped receiving space 21 of the body rail 2 .
  • these stabilizing elements 44, 54 are composed of retaining webs 441, 541 fastened to the side walls of the respective profile 4, 5 and bolts 442, 542 passing through them in the region of their free ends, with the bolt ends on the Wheel-shaped bolt heads 443, 543 are arranged on the outer sides of the retaining webs 441, 541, which are guided in raceways 25, 35 of the carcass rail 2 and the storage rail 3, respectively.
  • the pivoting mechanism 9 for pivoting the cover 10 has a first lever 91 rigidly attached to the cover 10, the first end 94 of which is attached to the cover 10 and which has a pivot axis 18, for example in the form of a pin 145 protruding from the side wall 141 the shelf 14 is coupled.
  • This first lever 91 remote from the cover 10 serves as a pivot 95 for connecting a second lever 92 which is designed here as a straight web and whose second end 96 is pivotally coupled to the second end 82 of the control lever 8 .
  • the tray 14 is pulled out of the body 13 of the piece of furniture 1 in such a way that by pulling on a handle 15 attached to the cover 10 (in the embodiment variant shown, one handle 15 is on an upper edge and another handle 15 is on a lower edge the cover 10 attached) from the position shown in FIG. 1 via the position shown in FIG. 6, which has also already been explained, in which the shelf was initially only moved horizontally out of the body of the piece of furniture 13, via a position shown in FIGS. 10-12, in which due to the greater inclination of the middle rail composed of the two profiles 4, 5 and the slide rail 6, it is inclined so far that the shelf 14 is also moved horizontally in an area in front of the cabinet rail 2 and is already slightly lowered by the inclination of the middle rail 12 is.
  • a further lowered position of the tray 14 is shown in Figures 13 to 15.
  • Figure 19 again shows an exploded view of the lifting/lowering pull-out device 11 together with the shelf 14 and the pivoting mechanism 9 as well as the cover 10.
  • the carcass rail 2 is preferably fixed to the inside of the carcass 13 of the piece of furniture 1 via at least one approximately L-shaped fastening plate 19 .
  • FIG. 20 illustrates the assembly of the pivoting mechanism for the cover 10 and the control lever 8 of the lifting/lowering pull-out device.
  • the tray 14 is coupled via at least one drive linkage to a motor 20 for moving the tray 14 in a motor-driven manner.
  • the drive linkage preferably has a first drive lever 201 coupled to the motor 20 and a second drive lever 202 coupled to the shelf 14 via a pivot 203 .
  • the drive levers 201 , 202 are preferably connected to one another via a rotary joint 204 .
  • a handle on the cover 10 can be omitted in this embodiment because of the motorized movement of the tray 14.
  • the movement of the shelf 14 can be triggered via a button on the body or via a remote control. It is also conceivable to control via a wireless interface, such as in smart home applications, using common protocols (WLAN, Bluetooth, Zigbee, ZWave, ...) e.g. on the frequencies 433 MHz or 868 MHz, which allows both operation via smartphone and also allow by voice marriage.

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  • Drawers Of Furniture (AREA)

Abstract

L'invention concerne un dispositif à extraction à élévation-abaissement (11) pour un élément de type plateau (14) qui est intégré dans une carcasse (13), en particulier d'un meuble (1), la carcasse (13) pouvant être fermée par un couvercle (10), le dispositif à extraction à abaissement-élévation (11) comprenant un rail de carcasse (2) qui peut être fixé à demeure à la carcasse (13), un rail central (12) qui est disposé de manière coulissante et pivotante sur le rail de carcasse (2), et un rail de plateau (3) qui est disposé de manière coulissante et pivotante sur le rail central (12) et peut être fixé à demeure à l'élément de type plateau (14) ; le rail central (12) présente une première section profilée (4) qui est accouplé au rail de carcasse (2) ainsi qu'une seconde section profilée (5) qui est accouplé au rail de plateau (3), les deux profilés (4, 5) étant accouplés l'un à l'autre de manière à pouvoir coulisser dans la direction de son axe longitudinal (L) ; le rail central (12) est accouplé pivotant à un levier de commande (8) qui peut tourner autour d'un axe de pivotement (17) sur le rail de plateau (3) ou l'élément de type plateau (14) et qui est accouplé à un mécanisme de pivotement (9) pour faire pivoter le couvercle (10). L'invention concerne également un meuble (1) ou un appareil électroménager comprenant un tel mécanisme d'élévation-abaissement.
PCT/EP2021/083765 2020-12-08 2021-12-01 Dispositif à extraction à élévation-abaissement, et meuble ou appareil électroménager WO2022122503A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP21835593.1A EP4258939A1 (fr) 2020-12-08 2021-12-01 Dispositif à extraction à élévation-abaissement, et meuble ou appareil électroménager

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020132673.4 2020-12-08
DE102020132673.4A DE102020132673A1 (de) 2020-12-08 2020-12-08 Hebe-Senk-Auszugsvorrichtung und Möbel oder Haushaltsgerät

Publications (1)

Publication Number Publication Date
WO2022122503A1 true WO2022122503A1 (fr) 2022-06-16

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ID=79185790

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2021/083765 WO2022122503A1 (fr) 2020-12-08 2021-12-01 Dispositif à extraction à élévation-abaissement, et meuble ou appareil électroménager

Country Status (3)

Country Link
EP (1) EP4258939A1 (fr)
DE (1) DE102020132673A1 (fr)
WO (1) WO2022122503A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3411268B1 (fr) 2016-02-05 2019-11-27 Hpg As Dispositif de support de charges

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3411268B1 (fr) 2016-02-05 2019-11-27 Hpg As Dispositif de support de charges

Also Published As

Publication number Publication date
EP4258939A1 (fr) 2023-10-18
DE102020132673A1 (de) 2022-06-09

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