WO2018210563A1 - Mécanisme de levage d'un réceptacle, meuble ou appareil ménager et tiroir - Google Patents

Mécanisme de levage d'un réceptacle, meuble ou appareil ménager et tiroir Download PDF

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Publication number
WO2018210563A1
WO2018210563A1 PCT/EP2018/061162 EP2018061162W WO2018210563A1 WO 2018210563 A1 WO2018210563 A1 WO 2018210563A1 EP 2018061162 W EP2018061162 W EP 2018061162W WO 2018210563 A1 WO2018210563 A1 WO 2018210563A1
Authority
WO
WIPO (PCT)
Prior art keywords
lever
lifting mechanism
damping element
tray
scissor
Prior art date
Application number
PCT/EP2018/061162
Other languages
German (de)
English (en)
Inventor
David Krüger
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
Publication of WO2018210563A1 publication Critical patent/WO2018210563A1/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
    • A47B46/00—Cabinets, racks or shelf units, having one or more surfaces adapted to be brought into position for use by extending or pivoting
    • A47B46/005—Cabinets, racks or shelf units, having one or more surfaces adapted to be brought into position for use by extending or pivoting by displacement in a vertical plane; by rotating about a horizontal axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/065—Scissor linkages, i.e. X-configuration
    • 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
    • A47B88/90—Constructional details of drawers
    • A47B2088/901—Drawers having a lifting mechanism
    • 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 lifting mechanism of a shelf of a piece of furniture or household appliance according to the preamble of claim 1.
  • the invention further relates to a furniture or household appliance or a drawer.
  • a generic lifting mechanism with a tray is known for example from DE 10 2015 102 500 A1.
  • the lifting mechanism shown here has a scissors mechanism with two crossed and rotatably interconnected scissor levers for raising and lowering the tray.
  • a pivot lever To raise and lower the tray is a pivot lever.
  • Such a lifting mechanism has proven itself.
  • the problem with such manually operable lifting mechanisms is that the user must spend more or less operating force, depending on the weight of the load, in order to actuate the lifting mechanism.
  • a lifting operation limiting end stop can be achieved surprisingly easily, which can lead to damage to the lifting mechanism in case of excessive user-applied force.
  • Object of the present invention is to provide a lifting mechanism with a shelf and a piece of furniture or household appliance or a drawer, with the particular lifting of the shelf is designed to be more user-friendly.
  • the lifting mechanism has a scissors mechanism with at least two crossed and rotatably interconnected scissor levers for raising and lowering the tray.
  • a first scissor lever is rotatable and displaceable at a first end and a second scissor lever at a first end fixed and rotatably arranged on a base.
  • a second end of the first scissor lever is stationary and rotatable and a second end of the second scissor lever is rotatably and slidably disposed on the tray.
  • the lifting mechanism further comprises a pivoting lever coupled to the scissor mechanism and at least one damping element coupled to the scissors mechanism.
  • the swivel lever is connected directly to the first scissor lever and a knee joint to the second scissor lever.
  • the knee joint may be formed by a toggle lever rotatably mounted on the toggle lever and a rotatably mounted thereto side arm or area of the second scissor lever.
  • the at least one damping element is designed as a damping element which acts in a simple manner in the direction of pull or compression.
  • the at least one damping element is arranged with a first end on the second scissor lever, for example on a side arm or on a flat area, and with a second end rotatably mounted on the toggle, a lifting of the tray in an upper end position arranged damping. With such a trained lifting mechanism, it is possible to achieve a damped lifting to an upper end position by means of a simple and inexpensive single-acting damping element.
  • the damping element is designed as acting in the compression direction damping element and rotatably attached to the first end on the side arm or on a flat region of the second scissor lever.
  • the damping element is likewise designed as a damping element acting in the pressure direction, is it rotatably attached to the first end at the transition of the side arm or the area in a main arm of the second scissor lever.
  • a second damping element which dampens a lowering of the tray into a lower end position, is rotatably mounted with a first end on the second shearing lever and with a second end on the first shearing lever.
  • an additional damping of the movement of the tray into the lower end position is ensured by means of a damping movement for damping the lifting movement.
  • the one damping element realized both a damping of the lifting movement in the upper end position and a lowering movement into a lower end position, thereby an additional damping of the lowering movement of the tray is made possible in the lower end position.
  • a handle is attached according to a preferred embodiment of a free, pivotable by a user end of the pivot lever.
  • a scissor mechanism is arranged in each case on each of two opposite sides of the tray.
  • the furniture or household appliance is characterized by a lifting mechanism as described above.
  • the drawer, with a lifting mechanism with a tray is characterized by a lifting mechanism as described above.
  • FIGS. 1 a and 1 b representations of the lifting mechanism with a first and a second damping element in a lower end position
  • FIGS. 2a and 2b representations of the lifting mechanism in an intermediate position between the lower end position and an upper end position
  • top, bottom, left, right, front, rear, etc. refer exclusively to the exemplary representation and position of the lifting mechanism selected in the respective figures, the scissors lever, the pivoting lever, the damping element, the tray and the same. These terms are not meant to be limiting, that is to say, by different working positions or the mirror-symmetrical design or the like, these references may change.
  • reference numeral 1 denotes a variant of a lifting mechanism according to the invention as a whole.
  • the lifting mechanism 1 has, as exemplified in FIGS. 1 a) and 1 b), a scissors mechanism with at least two crossed and rotatably interconnected scissor levers 5, 6, which serve to raise and lower a tray 3.
  • the tray 3 can, as shown in FIGS. 1 a) and 1 b), be designed as a container. It is also conceivable, the tray 3 as a basket, such as dish rack in the case of the use of such a lifting mechanism 1 in one trained as a dishwasher household appliance or as a tablature tray.
  • a first shearing lever 5 is rotatably and slidably disposed on a base 2 at a first end 52.
  • a second scissor lever 6 is stationary at a first end 62 and rotatably disposed on this base 2.
  • a bottom 21 serve with laterally mounted strips 22, in which a guide groove 23 for guiding the first end 52 of the first scissor lever 5 is used.
  • the base as a running rail of a rail system, which is movable with a guide rail mounted in a body of a piece of furniture or household appliance and with which the tray 3 together with the lifting mechanism 1 from a carcase interior of the furniture or household appliance can be pushed out.
  • a second end 53 of the first scissor lever 5 is stationary and rotatably arranged on the tray 3. Accordingly, a second end 63 of the second scissor lever 6 is rotatably and slidably disposed on the tray 3.
  • a guide groove 32 is formed in a side wall 31 of the tray 3, in which the second end 63 of the scissors lever 6 is held slidably received.
  • first scissors lever 5 and the second scissors lever 6 are pivotable relative to each other via a pivot 10 of a plane parallel to the side wall 31 of the tray.
  • a pivot lever 4 which is coupled to the scissors mechanism.
  • a handle 43 is present in the upper region of the pivot lever 4.
  • the pivoting lever 4 is connected directly to the first scissor lever 5 and via a knee joint 82 to the second scissor lever 6.
  • This knee joint 82 is thereby formed by a pivot lever 4 rotatably mounted toggle lever 8 and a rotatably mounted thereto side arm 64 of the second scissor lever 6.
  • the side arm 64 of the second scissor lever 6 extends at an angle from a main arm 61 of the second scissor lever 6 in a region between the attached at the intersection between the scissors levers 5, 6 pivot 1 0 and the second end 63 of the second scissor lever 6.
  • the axis of rotation of the knee joint 82 is arranged.
  • the second end 83 of the toggle lever 8 is pivotally connected to the pivot lever 4.
  • a side branch 65 branches off from the side arm 64 of the second scissor lever 6.
  • the lifting mechanism 1 furthermore has at least one damping element 7 coupled to the scissors mechanism.
  • This damping element 7 is designed as a simple acting in the pulling direction or compression direction damping element.
  • the damping element 7 is rotatably mounted with a first end 73 on the side arm 64 of the second scissor lever 6 and with a second end 74 on the toggle lever 8, so that it dampens a lifting of the tray 3 in the upper end position shown in Figures 4a) and 4b) ,
  • the damping element 7 is designed here as a damping element acting in the pressure direction.
  • a first end 73 of this damping element 7 is rotatably mounted at the free end of the side branch 65 of the side arm 64 of the second scissor lever 6.
  • FIGS. 2 b), 3 b) and 4 b) in the position shown in FIG. 2 b, in which the scissors mechanism is positioned in the lower end position, the damping ram 72 is pulled out of the damper housing 71 to the maximum and becomes in the lifting movement in the direction of the upper end position gradually retracted into the damper housing 71, which has a damping effect in the acting in the compression direction damping element 7 result.
  • FIG. 3b) shows an intermediate position
  • FIG. 4b) shows the upper one End position, in which the plunger 72 of the damping element 7 is maximally retracted into the housing 71 of the damping element 7.
  • FIGS. 2 a) to 4 b) furthermore show a second damping element 9 for effecting a damping of the lowering movement of the tray 3 into the lower end position, which is coupled to the scissors mechanism.
  • a first end 93 of this formed as a pressure damper second damping element 9 is rotatably mounted near the first end 62 of the second scissor lever 6.
  • the second end 94 of the second damping element 9 is rotatably mounted near the pivot joint 10 disposed at the point of intersection of the scissors levers 5, 6 between the pivot 10 and the second end 53 of the first scissor lever 5, so that when raising the tray 3 by means of the scissor mechanism a damping ram 92nd of the second Dämpfungsele- element 9 is pulled out of a damper housing 91 of the second damping element 9 without damping effect and is pushed back into the damper housing 91 of the second damping element 9 when lowering the tray 3 in the lower end position while exerting a damping force.
  • the attachment of this second damping element 9 is to be considered optional. It is also conceivable, the formation of such a lifting mechanism without second damping element. 9
  • the scissor mechanism is coupled with only one damping element 7.
  • the damping element 7 is preferably of the same type as the damping element 7 described with reference to FIGS. 2a) to 4b) as a damping element acting in the direction of compression.
  • the first end 73 of the damping element 7 is rotatably mounted at a transition of the side arm 64 in a main arm 61 of the second scissor lever 6. In this particular positioning of the first damping element 7, the damping element 7 can be used both for a damping of the lifting movement in the upper end position and for the lowering movement from the upper end position to the lower end position.
  • the damping element 7, as shown in Figures 6a) and 6b) is maximally deflected in an intermediate position of the scissors mechanism between the upper and lower end position. Accordingly, both the further pivoting of the scissors mechanism in the upper end position and in the lowering movement in the lower end position, shown in Figures 4a) and 4b), causes the plunger 72 of the damping element 7 is retracted into the housing 71.
  • a single-acting damping element 7 can be used in two ways.
  • the damping element 9 would be designed as a damping element acting in the pulling direction and would accordingly attenuate a lowering movement of the scissor mechanism from an upper position to the lower end position.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Drawers Of Furniture (AREA)
  • Combinations Of Kitchen Furniture (AREA)

Abstract

L'invention concerne un mécanisme de levage d'un réceptacle (3) d'un meuble (1) ou d'un appareil ménager, qui comprend un système mécanique de ciseaux comportant au moins deux leviers de ciseaux (5, 6) croisés et reliés entre eux à rotation, destinés à élever et à abaisser le réceptacle (3), un premier levier de ciseaux (5) étant disposé, au niveau d'une première extrémité (52), sur une base (2) à rotation et de manière mobile, et un second levier de ciseaux (6) étant disposé, au niveau d'une première extrémité (62), sur une base (2) à rotation et de manière immobile, une seconde extrémité (53) du premier levier de ciseaux (5) étant disposée sur le réceptacle (3) à rotation et de manière immobile et une seconde extrémité (63) du second levier de ciseaux (6) étant disposée sur le réceptacle (3) à rotation et de manière mobile, un levier pivotant (4) accouplé au système mécanique de ciseaux, au moins un élément d'amortissement (7) accouplé au système mécanique de ciseaux, le levier pivotant (4) étant relié au premier levier de ciseaux (5) directement, et au second levier de ciseaux (6) par l'intermédiaire d'une articulation de type genouillère (82), l'articulation de type genouillère (82) étant formée d'un levier de type genouillère (8) fixé à rotation au levier pivotant (4) et du second levier de ciseaux (6) fixé à rotation à ce dernier, ledit élément d'amortissement (7) se présentant sous la forme d'un élément d'amortissement à action simple dans la direction de traction ou dans la direction de compression, et ledit élément d'amortissement (7) étant fixé à rotation au second levier de ciseaux (6) à l'aide d'une première extrémité (73) et sur le levier de type genouillère (8) à l'aide d'une seconde extrémité et étant disposé à amortissement à une position d'extrémité supérieure pour élever le réceptacle (3). L'invention concerne également un meuble ou un appareil ménager et un tiroir qui comporte un tel mécanisme de levage.
PCT/EP2018/061162 2017-05-15 2018-05-02 Mécanisme de levage d'un réceptacle, meuble ou appareil ménager et tiroir WO2018210563A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017110490.9 2017-05-15
DE102017110490.9A DE102017110490A1 (de) 2017-05-15 2017-05-15 Hubmechanismus einer Ablage, Möbel oder Haushaltsgerät und Schubkasten

Publications (1)

Publication Number Publication Date
WO2018210563A1 true WO2018210563A1 (fr) 2018-11-22

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PCT/EP2018/061162 WO2018210563A1 (fr) 2017-05-15 2018-05-02 Mécanisme de levage d'un réceptacle, meuble ou appareil ménager et tiroir

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DE (1) DE102017110490A1 (fr)
WO (1) WO2018210563A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112897382A (zh) * 2021-02-05 2021-06-04 江苏海晨物流股份有限公司 一种物流管理智能仓储设备
CN114871176A (zh) * 2022-04-18 2022-08-09 深圳市朝阳光科技有限公司 一种全自动晶圆分选机高效自动清洗装置及方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19819356A1 (de) * 1998-05-04 1999-11-18 Rautec Rauschenberger Gmbh Handgeführter Wagen
WO2016131952A1 (fr) * 2015-02-20 2016-08-25 Paul Hettich Gmbh & Co. Kg Mécanisme de coulissement et de levage d'un réceptacle d'un meuble ou d'un appareil ménager, meuble et appareil ménager
WO2017032653A1 (fr) * 2015-08-21 2017-03-02 BSH Hausgeräte GmbH Dispositif de levage et lave-vaisselle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19819356A1 (de) * 1998-05-04 1999-11-18 Rautec Rauschenberger Gmbh Handgeführter Wagen
WO2016131952A1 (fr) * 2015-02-20 2016-08-25 Paul Hettich Gmbh & Co. Kg Mécanisme de coulissement et de levage d'un réceptacle d'un meuble ou d'un appareil ménager, meuble et appareil ménager
DE102015102500A1 (de) 2015-02-20 2016-08-25 Paul Hettich Gmbh & Co. Kg Schiebe- und Hubmechanismus einer Ablage eines Möbels oder Haushaltsgeräts, Möbel und Haushaltsgerät
WO2017032653A1 (fr) * 2015-08-21 2017-03-02 BSH Hausgeräte GmbH Dispositif de levage et lave-vaisselle

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