EP2294944B1 - Système de verrouillage - Google Patents

Système de verrouillage Download PDF

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Publication number
EP2294944B1
EP2294944B1 EP10174615.4A EP10174615A EP2294944B1 EP 2294944 B1 EP2294944 B1 EP 2294944B1 EP 10174615 A EP10174615 A EP 10174615A EP 2294944 B1 EP2294944 B1 EP 2294944B1
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EP
European Patent Office
Prior art keywords
switching element
locking system
latch
force
movable
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.)
Active
Application number
EP10174615.4A
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German (de)
English (en)
Other versions
EP2294944A1 (fr
Inventor
Patrick Freiheit
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.)
Paul Hettich GmbH and Co KG
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Paul Hettich GmbH and Co KG
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Publication date
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Application filed by Paul Hettich GmbH and Co KG filed Critical Paul Hettich GmbH and Co KG
Publication of EP2294944A1 publication Critical patent/EP2294944A1/fr
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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
    • A47B88/453—Actuated drawers
    • A47B88/46—Actuated drawers operated by mechanically-stored energy, e.g. by springs
    • A47B88/463—Actuated drawers operated by mechanically-stored energy, e.g. by springs self-opening

Definitions

  • the present invention relates to a latching system, in particular for a drawer held on a drawer slide.
  • the EP 1 845 821 discloses a drawer closing and opening device which is lockable by a latching mechanism in a closed position.
  • a spring of the ejector is tensioned and a switching element locked to a detent recess.
  • the drawer is pressed against the force of the spring in the furniture body, so that the switching element can then be moved along a switching curve in the opening direction.
  • a latching mechanism is disadvantageous that an opening can be made only by pushing the drawer into the furniture body, while a pull on the drawer can cause damage.
  • the latching system comprises at least two detent fittings, which are coupled to one another via a movable furniture part, wherein each detent fitting has a switching cam in which a switching element is guided, and formed on a loop-shaped portion of the switching cam a detent recess for the biased by a force storage element switching element and the detent recess is at least partially movable to cause an unlocking of the switching element in a force acting on the switching element in an opening direction, and when releasing a switching element of a detent fitting causes the force of at least two energy stores unlocking the switching element of the other detent fitting.
  • This ensures that in the locking system unlocking of the switching elements can also be done by pulling on the drawer.
  • the user has the option of whether he wants to cause an unlocking and thus opening the drawer by pushing or pulling on the drawer.
  • false actuations are reliably avoided, since when unlocking a switching element, the other switching element is automatically unlocked, since the force of the two energy storage of the locking fittings moves the switching element from the locked position. In this respect, a drawer is opened, even if a release of the detent fitting was effected only on one side. This simplifies handling and avoids incorrect operations.
  • a movable part of the detent recess is biased by a force accumulator in an initial position.
  • the force of the force accumulator for biasing the movable part of the detent recess is preferably smaller than the force of two energy accumulators for tensioning the switching elements, so that when unlocking a switching element, the force of two energy stores is sufficient to move the force accumulator for biasing the movable member.
  • the force of the energy accumulator for biasing the movable part of the detent recess is preferably greater than the energy of the energy accumulator for tensioning a switching element, so that unintentional opening of the drawer is avoided.
  • the detent recess is preferably formed from a stationary part and a movable part.
  • the movable part can be performed linearly on the stationary part, wherein a Pivoting movement of the movable part relative to the stationary part is possible.
  • the switching element is coupled to a driver which is movable along a guide track on a housing, wherein the force accumulator biases the driver in the opening direction.
  • the driver can be coupled to a running rail of a pullout guide.
  • the latching system can be mounted between a furniture body and a drawer, with a drawer slide with a latching fitting is arranged on each side of the drawer.
  • each locking fitting may comprise a damper, by means of which the movement of the switching element is braked in a region around the closed position.
  • the damper can be designed as a fluid damper and mounted on a housing of the locking fitting, so that the locking fitting can be installed as a preassembled unit. Furthermore, the damper prevents accidental release of the locking mechanism.
  • a latching system comprises at least two detent fittings, each detent fitting being mounted on a pullout guide 1.
  • the pullout guide 1 has a guide rail 2 which can be mounted on a furniture carcass and on which a running rail 3 is movably mounted. Between guide rail 2 and track 3 can be arranged auszverinrernde center rail.
  • a housing 4 On the guide rail 2, a housing 4 is mounted, which has a guide track 5 for a driver 7.
  • the driver 7 comprises a receptacle which can be coupled with a protruding activator 17 on the running rail 3 in a region around the closed position of a drawer.
  • On each side of a drawer can be mounted with a detent fitting 50 a pullout guide 1.
  • the catch fitting 50 is in FIG. 3 shown in detail.
  • the movable along the guideway 5 driver 7 comprises a boom 8 which is connected to a switching element 10.
  • the switching element 10 is formed as a bent wire having an end portion 9 which is fixed to the boom 8 and engages there in an opening.
  • the switching element 10 comprises a bent end portion 11 which engages in a groove-shaped switching cam 20 which is formed in two components 18 and 19.
  • the driver 7 is biased in an opening direction, for which a spring element 6 is mounted on the housing 4.
  • the spring element 6 comprises a cylindrical Housing 64, in which a spring 63 is arranged.
  • the spring 63 abuts on one side on an end face of the housing 6 and on the opposite side to a ring 62 of a rod 60.
  • the rod 60 is provided at one end with a ball portion 61 which is fixed to the driver 7. The spring 63 thus pushes the driver 7 and thus the switching element 10 in the opening direction.
  • the housing 4 comprises a receptacle 40 in which the strip-shaped component 18 is inserted.
  • a recess is formed, in which the component 19 is inserted.
  • two spaced-apart projections 43 are formed, which engage in corresponding recesses 41 on the housing 4. As a result, the component 19 is firmly fixed to the housing 4.
  • the component 18 is held displaceably in the receptacle 40 and biased by a spring 30 in an initial position.
  • the spring 30 is fixed at one end 31 to a holder 14 of the housing 4. At the opposite end 32, the spring 30 is connected to the component 18.
  • FIGS. 4A to 4C the catch fitting 50 is shown in the assembled position.
  • the locking fitting 50 is compact and can be mounted below the rails of a pullout guide 1.
  • the groove-shaped switching cam 20 includes a loop-shaped portion 23, in which the bent end portion 11 of the switching element 10 is guided.
  • the switching element 10 is held between the receptacle 40 of the housing 4 and the components 18 and 19 and therefore can not escape from the switching cam 20.
  • a detent recess 26 is formed, in which the end portion 11 can lock in a closed position.
  • the closed position is the position of a drawer into which a drawer is received in the closed position in a furniture carcass. The closed position can also be adjusted if necessary.
  • the switching element 10 is located in the detent recess 26, the spring 63 acts in the opening direction, wherein the switching element 10 is prevented from moving in the opening direction by the latching recess 26.
  • the switching element 10 can be pressed against a run-on slope 28 during a movement in the closing direction, so that the switching element 10 can be pivoted and moved into a receptacle 27, in order then to enter the loop-shaped section 23 to be moved in the opening direction.
  • the switching element 10 can be unlocked.
  • the switching element 10 moves from an outlet region 29 into the loop-shaped portion 23 until the switching element 10 engages in a receptacle 25, whereby the drawer rests against a furniture body or a stop.
  • the drawer is released and moves by a short distance in the opening direction, for example, between 1 to 10 mm, so that the switching element 10 can latch on the latching recess 26.
  • FIG. 5B the component 18 has been linearly displaced relative to the component 19.
  • the detent recess 26 is formed from a movable projection 34 and a stationary projection 36, which are formed on the components 18 and 19.
  • the movable projection 34 is displaced together with the component 18 when a tensile force is applied to the switching element 10 in the closed position. Due to the tensile force, the component 18 moves against the force of the spring 30 in the opening direction. Since the component 19 is fixed to the housing 4, this remains stationary.
  • the component 18 in the in FIG. 5C shown position moves. Then, the previously formed the detent recess 26 projection 34 of the component 18 in the region of a Entriegelungskanals 35 on the component 19, through which the switching element 10 can be converted into the loop-shaped portion 23 in the opening direction. This also allows an unlocking of the switching element 26 can be effected from the detent position.
  • FIG. 6A is the pullout guide 1 in an open position and the driver 7 is parked on an angled end portion of the guideway 5.
  • the running rail 3 is coupled to the activator 17 with the driver 7, so that it is moved in the closing direction along the guide track 5.
  • the switching element 10 coupled thereto also moves along the switching cam 20.
  • the spring 63 is hereby tensioned.
  • FIG. 6B is the switching element 10 arrived in a stop position in which the end portion 11 of the switching element 10 is disposed in the receptacle 25.
  • the driver 7 is in an end position on the guideway 5.
  • the switching element 10 moves due to the force of the spring 63 a short distance in the opening direction until the switching element 10 is latched to the detent recess 26 ( FIG. 6C ).
  • the drawer To open the drawer, it can be pressed into the furniture body, so that then the switching element 10 is pressed over the running rail 3, the activator 17 and the driver 7 against the run-on slope 28 and pivoted into the receptacle 27 ( FIG. 6D ). If the drawer is now released, the switching element 10 moves due to the force of the spring 63 in the opening direction in the loop-shaped portion 23 and the outlet region 29 (FIGS. FIG. 6E ).
  • FIGS. 7 a modified movement is shown on the detent fitting 50 during opening and closing.
  • FIG. 7A there is a drawer in the open position and the driver 7 is parked at an angled end of the guideway 5.
  • the switching element 10 is located in an outlet region 29 of the switching cam 20.
  • the drawer is moved by pulling.
  • the switching element 10 moves the movable projection 34 together with the component 18 against the force of the spring 30.
  • the movable Projection 34, the detent recess 26 and the projection 36 on the component 19 instead of pushing the drawer into the furniture carcass.
  • the spring 30 pushes the displaceable component 18 back into the starting position, wherein an end portion of the component 18 bears against stops 42 in the receptacle 40 of the housing 4.
  • the switching element 10 can now be moved further in the opening direction in the outlet region 29.
  • a detent fitting 50 may be mounted on a pull-out guide 1 on each side of a drawer.
  • the drawer can now be opened by pressing or pulling. If the drawer is pressed into the furniture body, a movement corresponding to the FIGS. 6A to 6E instead of. If, however, the drawer is pulled out of the closed position, a movement takes place, as in the FIGS. 7A to 7F is shown.
  • FIG 8A is a view of two locking fittings 50 is shown, wherein the upper detent fitting 50 has been unlocked and the switching element 10 is located in a loop-shaped portion 23 of the switching cam 20 and spaced from the detent recess 26 is arranged.
  • the switching element 10 does not get into the loop-shaped portion 23, because in the opening movement by pulling or pressing no unlocking has been achieved.
  • there is a forced unlocking of the switching element 10 by the spring 63 of the upper detent fitting 50 and the spring 63 of the lower detent fitting 50 act against the force of the spring 30 for clamping the component 18.
  • the forces of the two springs 63 are greater than the force of the remaining one spring 30 in the closing direction.
  • the component 18 of the lower fitting 50 is moved in the opening direction until the switching element 10 with the end portion 11 reaches the unlocking channel 35 (position FIG. 5C ).
  • This also allows the switching element 10 of the lower detent fitting 50 to move into the loop-shaped portion 23 and further in the opening direction.
  • the in FIG. 8B achieved shown position in which both switching elements 10 are freely movable in the opening direction.
  • the spring 30 pushes the component 18 back into the starting position until one end face bears against the stops 42.
  • the force of the spring 30 is greater than the force of the spring 63, so that even in a locked position of the switching element 10, no accidental opening takes place.
  • FIG. 9 a modified embodiment of a detent fitting 50 'is shown, in which the same components are denoted by the same reference numerals.
  • a component 18 ' is provided, which has a boom 73.
  • the boom 73 forms a stop for a damper 70.
  • the damper has a housing 71 which may contain a fluid. From the housing 71 protrudes a piston rod 72 which rests against the arm 73. About the damper 70, the component 18 ', during retraction of the component 18' by the spring 30, are braked in the movement.
  • the damper 70 reduces the risk of false triggering by greatly accelerating the drawer when closing.
  • Figure 10A is the switching element 10 is latched to the detent recess 26 of the cam 20.
  • the piston rod 72 is in the retracted position in the housing 71 and abuts the arm 73.
  • the housing 71 of the damper is fixed to a holding element 74 of the housing 4.
  • FIG. 10B the switching element 10 is unlocked by pulling on the drawer.
  • the piston rod 72 moves together with the arm 73 in the opening direction.
  • the spring 30 moves the drawer back in the closing direction.
  • the arm 73 presses on the piston rod 72, which is now retracted into the housing 71 ( FIG. 10C ). This achieves a deceleration of the speed, which can avoid loud impact noises and malfunctions.
  • the damper 70 can take on several functions. In particular, a braking of the component 18 can be achieved in the closed position. It is also possible to make a deceleration of the switching element 10 shortly before reaching the closed position via the damper.
  • the damper 70 may be formed as a fluid damper, but also elastic spring elements may be used.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drawers Of Furniture (AREA)

Claims (10)

  1. Système d'encliquetage, en particulier pour un tiroir maintenu sur un guidage d'éjection (1) comportant au moins deux ferrures d'encliquetage (50) qui sont accouplées sur une partie de meuble module, chacune des ferrures d'encliquetage comprenant une came de commutation (20) dans laquelle est guidé un élément de commutation (10), et sur un segment en forme de boucle (23) de la came de commutation (20) est formée une cuvette d'encliquetage (26) pour l'élément de commutation (10) précontraint par un accumulateur de force (63), et, la cuvette d'encliquetage (26) étant au moins partiellement mobile pour provoquer, en présence de l'action d'une force sur l'élément de commutation (10) dans une direction d'ouverture un déverrouillage de l'élément de commutation (10), et, en présence d'un déverrouillage d'un élément de commutation (10) d'une ferrure d'encliquetage (50), la force d'au moins deux accumulateurs de force (63) des deux ferrures d'encliquetage (50) provoquant un déverrouillage de l'élément de commutation (10) de l'autre ferrure d'encliquetage (50).
  2. Système d'encliquetage conforme à la revendication 1,
    caractérisé en ce que
    dans les ferrures d'encliquetage (50), une saillie mobile (34) de la cuvette d'encliquetage (26) est précontrainte dans une direction de sortie par un ressort (30).
  3. Système d'encliquetage conforme à la revendication 2,
    caractérisé en ce que
    la force du ressort (30) permettant de précontraindre la saillie mobile (34) de la cuvette d'encliquetage (26) est inférieure à la force de deux accumulateurs d'énergie (63) pour permettre de tendre l'élément de commutation (10).
  4. Système d'encliquetage conforme à la revendication 2 ou 3,
    caractérisé en ce que
    la force du ressort (30) pour précontraindre la partie mobile (34) de la cuvette d'encliquetage (26) est supérieure à la force de l'accumulateur d'énergie (63) pour tendre un élément de commutation (10).
  5. Système d'encliquetage conforme à l'une des revendications 1 à 4,
    caractérisé en ce que
    les cuvettes d'encliquetage (26) sont respectivement formées par un élément stationnaire (19) et par un élément mobile (18, 18').
  6. Système d'encliquetage conforme à la revendication 5,
    caractérisé en ce que
    l'élément mobile (18, 18') est guidé linéairement sur l'élément stationnaire (19).
  7. Système d'encliquetage conforme à l'une des revendications 1 à 6,
    caractérisé en ce que
    l'élément de commutation (10) est accouplé à un organe d'entrainement (7) qui peut être déplacé sur un boîtier (4) le long d'un chemin de guidage (5), et l'accumulateur de force (63) précontraint cet organe d'entrainement (7) dans la direction d'ouverture.
  8. Système d'encliquetage conforme à la revendication 7,
    caractérisé en ce que
    l'organe d'entrainement (7) peut être accouplé à un rail de déplacement (3) d'un guidage d'éjection (1).
  9. Système d'encliquetage conforme à l'une des revendications 1 à 8,
    caractérisé en ce qu'
    au moins une butée d'encliquetage (50) comprend un amortisseur (70) pour freiner le mouvement de l'élément mobile (18') dans une zone située autour de la position de fermeture.
  10. Système d'encliquetage conforme à la revendication 9,
    caractérisé en ce que
    l'amortisseur (70) est réalisé sous la forme d'un amortisseur fluidique.
EP10174615.4A 2009-09-09 2010-08-31 Système de verrouillage Active EP2294944B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202009005255U DE202009005255U1 (de) 2009-09-09 2009-09-09 Rastsystem

Publications (2)

Publication Number Publication Date
EP2294944A1 EP2294944A1 (fr) 2011-03-16
EP2294944B1 true EP2294944B1 (fr) 2015-08-26

Family

ID=43034691

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10174615.4A Active EP2294944B1 (fr) 2009-09-09 2010-08-31 Système de verrouillage

Country Status (3)

Country Link
EP (1) EP2294944B1 (fr)
DE (1) DE202009005255U1 (fr)
ES (1) ES2553733T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2739176C2 (ru) * 2016-07-15 2020-12-21 Пауль Хеттих Гмбх Унд Ко. Кг Приводное устройство для подвижной части предмета мебели и предмет мебели

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013134799A1 (fr) 2012-03-16 2013-09-19 Julius Blum Gmbh Dispositif d'entraînement pour une partie de meuble mobile
AT512509B1 (de) 2012-07-10 2013-09-15 Blum Gmbh Julius Ausstoßvorrichtung für ein bewegbares Möbelteil
AT512512B1 (de) 2012-07-10 2013-09-15 Blum Gmbh Julius Antriebsvorrichtung für ein bewegbares Möbelteil
ITMI20121333A1 (it) * 2012-07-31 2014-02-01 Salice Arturo Spa Mobile con almeno un cassetto o simile provvisto di mezzi di espulsione
AT514065B1 (de) * 2013-04-12 2014-10-15 Blum Gmbh Julius Antriebsvorrichtung für ein bewegbares Möbelteil
AT514865B1 (de) 2013-10-11 2018-03-15 Blum Gmbh Julius Antriebsvorrichtung zum Bewegen eines bewegbaren Möbelteils
AT515313B1 (de) 2014-04-07 2015-08-15 Blum Gmbh Julius Antriebsvorrichtung für ein bewegbares Möbelteil
AT516733B1 (de) 2015-04-14 2016-08-15 Blum Gmbh Julius Antriebsvorrichtungen samt Synchronisierungsvorrichtung für ein bewegbares Möbelteil

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005009860U1 (de) 2004-12-17 2006-04-20 Alfit Ag Schließ- und Öffnungsvorrichtung für Schubladen
JP4505814B2 (ja) * 2005-06-30 2010-07-21 明和工業株式会社 ロック・アンロック装置
ES2315055B1 (es) * 2005-07-29 2009-09-30 Miguel Angel Rioja Calvo Dispositivo retroimpulsor de apertura de muebles.
AT502417B1 (de) * 2005-09-06 2009-11-15 Blum Gmbh Julius Verriegelbare ausstossvorrichtung
ITPN20060027A1 (it) * 2006-03-27 2007-09-28 Franco Corazza "espulsore applicabile a cassetti per mobili ed affini"
DE202006014748U1 (de) * 2006-09-22 2008-02-14 Alfit Ag Vorrichtung zum Einziehen eines beweglichen Möbelteils und Möbel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2739176C2 (ru) * 2016-07-15 2020-12-21 Пауль Хеттих Гмбх Унд Ко. Кг Приводное устройство для подвижной части предмета мебели и предмет мебели

Also Published As

Publication number Publication date
DE202009005255U1 (de) 2011-04-28
ES2553733T3 (es) 2015-12-11
EP2294944A1 (fr) 2011-03-16

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