EP2247220B1 - Système d'extraction assisté - Google Patents

Système d'extraction assisté Download PDF

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Publication number
EP2247220B1
EP2247220B1 EP09717807.3A EP09717807A EP2247220B1 EP 2247220 B1 EP2247220 B1 EP 2247220B1 EP 09717807 A EP09717807 A EP 09717807A EP 2247220 B1 EP2247220 B1 EP 2247220B1
Authority
EP
European Patent Office
Prior art keywords
spring
pull
thrust
thrust element
force
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
EP09717807.3A
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German (de)
English (en)
Other versions
EP2247220A1 (fr
Inventor
Christoph Neuhaus
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.)
Accuride International GmbH
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Accuride International GmbH
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Publication date
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Publication of EP2247220A1 publication Critical patent/EP2247220A1/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
    • A47B88/457—Actuated drawers operated by electrically-powered actuation means
    • 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
    • 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
    • A47B88/473—Braking devices, e.g. linear or rotational dampers or friction brakes; Buffers; End stops

Definitions

  • the present invention relates to an extension system for the power-assisted method of a linearly movably mounted on a body thrust element with a between the thrust element and the body mediating a force spring element.
  • pushher is used in the context of the present application on behalf of all elements that are retracted into a body and extended, such as drawers and drawers for living, kitchen, office and storage furniture, sanitary facilities, electronics cabinets, computer racks etc.
  • pushher elements also includes, for example, linearly movable parts in vehicles, for example drawers or console elements in cars.
  • body in connection with the present application refers to the mostly stationary counterpart to the linearly displaceably mounted thrust element.
  • the pull-out system serves to provide power assistance in the movement of a push element movably mounted on a carcass by means of a linear guide.
  • a linear guide can be a conventional plain bearing in a simple design or a roller or roller bearing or a ball bearing in a higher quality design.
  • ball bearing telescopic rails are used for a comfortable and stable method of pushing elements on a carcass.
  • the pusher is moved or moved between a fully extended position (final extension position) and a fully retracted position (insertion end position).
  • Power assisted feed systems for linear guides have long been known and are constantly being developed. They usually provide the power assist on the last leg just before the plug-in end position.
  • the thrust element is first inserted by an operator to a predetermined insertion depth, from where then takes place on the last stretch of a force support when retracting through the feeder system to Einschubendposition. The operator then usually has to spend no more own power, but the rest of insertion or collection is accomplished by the feeder system alone.
  • the power assistance is usually done using spring forces.
  • retraction systems operate on the principle that on one of the two relatively movable elements (body or pusher) a biased towards the Einschubendposition locking element is held locked in a standby position.
  • the second element movable relative thereto is brought into frictional engagement during insertion with the locking element which is waiting in the ready position and is resiliently biased in the direction of the insertion end position, as soon as a certain insertion position has been reached.
  • the locked standby position of the locking element is released so that it is pulled by the spring tension in the Einschubendposition. Examples of such retraction systems are in the DE 10 2004 006 092 A1 and the DE 10 2005 057 190 A1 disclosed.
  • a disadvantage of known feeder systems is that a locking element is biased held in a standby position and this must be brought to perform the power assisted feed with another element engaged or coupled. In the reverse direction of travel, it must be disengaged again or decoupled.
  • Such intake systems are mechanically complex, susceptible to failure and damage and practice only on the last stretch of a force in the direction of insertion, which starts only at a certain retraction position. The power assistance is thus abruptly when reaching this retraction position.
  • a support of the extraction or extension of the thrust element is not provided by the known feeder systems.
  • the object of the present invention was thus to overcome the known disadvantages of the prior art and to provide a drawer system which provides a force assistance both in the insertion into the insertion end position and in the extract in the direction of the extension end position.
  • an extension system for the power assisted method of a linearly movable on a body thrust element with a between the thrust element and the body a force mediating spring element wherein on the thrust element, a first articulation point is provided, via which the thrust element in a hinged connection is resiliently biased supported on the body via the spring element, wherein the spring element is connected to the body and a second pivot point is provided, which is supported on the one hand via the spring element resiliently biased to the body and on the other hand connected via a push rod to the first pivot point.
  • the present invention can provide force assistance with both a single push-pull system on insertion in the push-in end position and on pull-out in the direction of the pull-out end position.
  • the provided on the thrust element first articulation point is spring-biased via the spring element with the body in combination.
  • the resilient bias thus exerts a force on the first articulation point on the push element from a support point on the carcass. If this force is not perpendicular to the direction of travel, it has a component acting parallel to the direction of travel, which acts either in the insertion direction or in the extension direction and provides a force assistance in this direction.
  • the spring element is connected to the body and there is provided a second pivot point, which is spring-biased on the one hand supported on the body and on the other hand connected via a push rod with the first pivot point.
  • the push rod keeps the distance between the two articulation points constant.
  • the spring force supported on the body first acts on the second articulation point and is further transmitted via the push rod and the first articulation point to the thrust element for a force-assisted method.
  • the spring element comprises a compression spring, ie a spring, in which the spring force causes an extension of the spring, preferably a gas spring or a helical compression spring.
  • the spring element comprises a gas spring with a cushioning, ie a damping device which has a damping effect each exerts on the movement before reaching the insertion and / or Auszugendposition.
  • a hydraulically acting end position damping is particularly preferred.
  • the spring element comprises a tension spring, preferably a gas tension spring or a spiral tension spring.
  • means are provided which direct the spring force so that a thrust force is exerted on the first articulation point on the thrust element. This is particularly important in those embodiments in which not a compression spring is provided directly between the first articulation point on the thrust element and the second articulation point on the body. In the case of a tension spring, the tensile force which normally results in a shortening of the spring is to be deflected so that the spring force acts in the direction of an extension of the spring and thus of a thrust.
  • the force of the spring element acts perpendicular to the direction of travel of the push element.
  • a proportion of this force acting perpendicular to the travel direction at an angle to the push element for a power assisted retraction or extension is transmitted.
  • the spring force can act obliquely to the direction of travel of the thrust element, but the angle should not be more than 45 ° to the vertical, preferably not more than 20 ° to the direction of travel, otherwise in one direction parallel to the direction of travel thrust, in the opposite Direction, however, a train is exerted on the pusher. However, it is desirable that a thrust be exerted in both directions.
  • extension system when fully pushed into the insertion end push element of the first articulation point is arranged on the thrust element relative to the second articulation point on the body in the direction parallel to the linear travel further towards the Einschubendposition and at fully in the pullout end position extended thrust element is further arranged in the direction of the pullout end position.
  • the thrust element in the retracted state is always resiliently biased in the direction of the insertion end position.
  • a thrust element is thus held biased by the spring force in the closed state.
  • the extension of the thrust element takes place, starting from the Einschubendposition, initially under force against the bias of the spring element.
  • the spring force of the spring element counteracts the extension until the first pivot point in the direction of travel on the same Height with the second pivot point is, that is, until the first pivot point is in a plane perpendicular to the linear travel and through the second pivot point.
  • This position of the first point of articulation is also referred to herein as the "dead center" of the force assisted method.
  • the force exerted by the spring element and exerted on the first articulation point force of the spring element acts perpendicular to the linear travel.
  • dead center there is no force component of the spring force parallel to the direction of travel and thus neither a force component in the insertion nor in the extension direction.
  • the force acting on the pusher element no longer in the insertion direction, but in the extension direction and provides a force support for the extract.
  • the force support preferably acts on the pull-out until the pull-out end position.
  • the maximum extension of the thrust element is then determined or limited, inter alia, on the maximum travel.
  • the disengagement of the system with the body or pusher element may, for example, occur at the articulation points or within the spring element and is achieved by means known per se which are familiar to the person skilled in the art on the basis of his general expert knowledge. Such means for disabling or disengaging are not central to the present invention.
  • Drawers, shelves and similarly designed push elements usually have a bottom plate.
  • the pull-out system according to the invention is mounted in or parallel to the plane of the bottom plate.
  • the articulation points can be arranged on the bottom plate of the thrust element and a corresponding plate on the body.
  • at least one articulation point can also be arranged on a rail element of a telescopic extension.
  • installation of the pull-out system according to the invention can also take place laterally of the push element, in particular for push elements with higher side walls, such as drawers or drawers.
  • At least one damper is further provided, which dampens the insertion and / or the extension of the pushing element before and up to the insertion end position and / or before and up to the pull-out end position.
  • air dampers or oil dampers are provided, which are mounted in such a way on the body and / or the thrust element that the damping effect begins shortly before reaching the insertion or Auszugendposition.
  • a damper is provided on the spring element which dampens the movement of the spring element when the spring is deflected in the direction of the insertion end position or the extension end position.
  • FIGS. 1 and 2 show in exploded view and from below different views of the same drawer system according to the prior art with a pusher element 1 and a body 2, of which in the FIGS. 1 and 2 at least the sections are shown that have meaning for the pullout system.
  • a force mediating spring element 4 is arranged between the first pivot point 5 on the pusher element 1 and the second pivot point 6 on the body 2, so that the spring element 4 on an increase in the distance between the first pivot point 5 and the second pivot point 6 directed force exerts.
  • the first articulation point 5 is spring-loaded against the body 2 via the spring element 4.
  • the thrust element 1 and the body 2 are mounted on a ball-bearing telescopic rail 3 linearly movable against each other.
  • On the thrust element 1 designed as an air damper damper 8 are arranged, wherein one of the damper 8 attenuates the insertion of the thrust element in the Einschubendposition on the last path and the second damper 9 attenuates the extraction of the thrust element in the Auszugsendposition.
  • On the body 2 corresponding stops are provided which abut on the corresponding damper 8 shortly before reaching the respective end positions.
  • FIG. 2 (Above) is reproduced in addition to the representation of the extension system, the division of the forces exerted by the spring element 4 on the pivot point 5 forces in the directions perpendicular and parallel to the travel. It is clear that a proportion of the spring force acts in the insertion direction and thus keeps the pusher in the closed state.
  • the Figures 3 and 4 show an embodiment of the extract system according to the invention for the power assisted method of a linearly movably mounted on a body thrust element in exploded view or in perspective, but without representation of the body and pusher.
  • the second pivot point 6 is spring-biased on the one hand via the spring element 4 supported on the body and on the other hand connected via a push rod 7 with the first pivot point 5.
  • the pivot point 6 is rotatably arranged herein on a sliding member 10, wherein the sliding member 10 is guided in a slot of a guide member 9 perpendicular to the direction of travel of the thrust element relative to the body.
  • the guide member 9 is rigidly connected to a rail member of the telescopic rail 3, which in turn is mounted on the body, not shown.
  • the spring force is exercised in this case by a tension spring 11, which is designed as a spiral spring.
  • a damper 8 which dampens the movement mediated by the spring force both in the vicinity of the insertion end position and in the vicinity of the extension end position, both of which are achieved when the spring contracts.
  • FIG. 5 and 6 show a further alternative embodiment of a spring element for an inventive pull-out system, wherein FIG. 5 an exploded view and FIG. 6 the spring element in the inserted state (above) and in the extended state (below) in a perspective view.
  • the spring element comprises a substantially cylindrical spring housing 12 with a spiral spring (pressure spring) 11 arranged therein and a rod 13 guided out of the housing and acted upon by the spring.

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

Claims (6)

  1. Système d'extraction pour le déplacement assisté par une force, d'un élément de poussée (1) logé de manière mobile linéairement au niveau d'un corps (2), avec un élément ressort (4) transmettant une force entre l'élément de poussée (1) et le corps (2), un premier point d'articulation (5) étant prévu au niveau de l'élément de poussée (1), par l'intermédiaire duquel l'élément de poussée (1) est en appui précontraint, , et en liaison articulée, par l'intermédiaire de l'élément ressort (4), avec le corps (2), caractérisé en ce que
    l'élément ressort (4) est relié avec le corps (2) et un deuxième point d'articulation (8) est prévu, qui d'une part est en appui élastique précontraint, , au niveau du corps (2) et qui est relié, d' autre part, par l'intermédiaire d'une tige de poussée (7), avec le premier point d'articulation (5).
  2. Système d'extraction selon la revendication 1, caractérisé en ce que l'élément ressort (4) comprend un ressort de compression, de préférence un ressort de compression à gaz ou un ressort de compression en spirale.
  3. Système d'extraction selon la revendication 1, caractérisé en ce que l'élément ressort (4) comprend un ressort de traction, de préférence un ressort de traction à gaz ou un ressort de traction en spirale.
  4. Système d'extraction selon l'une des revendications précédentes, caractérisé en ce que des moyens sont prévus, qui orientent la force élastique de façon à ce qu'une force de poussée soit exercée sur le premier point d'articulation (5) au niveau de l'élément de poussée (1).
  5. Système d'extraction selon l'une des revendications précédentes, caractérisé en ce que, lorsque l'élément de poussée (1) est complètement poussé dans la position finale d'insertion, le premier point d'articulation (5) au niveau de l'élément de poussée (1) est disposé, par rapport au deuxième point d'articulation (6) au niveau du corps (2), et dans la direction parallèle au trajet de déplacement linéaire (A), plus loin en direction de la position finale d'insertion, et, lorsque l'élément de poussée (1) est complètement poussé dans la position finale d'extraction, il est disposé plus loin dans la direction de la position finale d'extraction.
  6. Système d'extraction selon l'une des revendications précédentes, caractérisé en ce que, en outre, est prévu au moins un amortisseur (8), de préférence un amortisseur à air ou un amortisseur à huile, qui amortit l'insertion et/ou l'extraction de l'élément de poussée (1) avant et jusqu'à la position finale d'insertion et/ou avant et jusqu'à la position finale d'extraction.
EP09717807.3A 2008-03-04 2009-02-27 Système d'extraction assisté Active EP2247220B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008012506A DE102008012506A1 (de) 2008-03-04 2008-03-04 Kraftunterstütztes Auszugsystem
PCT/EP2009/052419 WO2009109536A1 (fr) 2008-03-04 2009-02-27 Système d'extraction assisté

Publications (2)

Publication Number Publication Date
EP2247220A1 EP2247220A1 (fr) 2010-11-10
EP2247220B1 true EP2247220B1 (fr) 2016-04-20

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Application Number Title Priority Date Filing Date
EP09717807.3A Active EP2247220B1 (fr) 2008-03-04 2009-02-27 Système d'extraction assisté

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EP (1) EP2247220B1 (fr)
DE (1) DE102008012506A1 (fr)
WO (1) WO2009109536A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8297722B2 (en) 2008-06-03 2012-10-30 Rev-A-Shelf Company, Llc Soft close drawer assembly and bracket
US8091971B2 (en) 2008-06-03 2012-01-10 Rev-A-Shelf Company, Llc Soft close drawer assembly
US8317277B2 (en) 2009-04-21 2012-11-27 Accuride International, Inc. Dampened assisted-motion systems and methods
AT509934B1 (de) 2010-05-20 2016-01-15 Blum Gmbh Julius Antriebsvorrichtung zum bewegen eines bewegbaren möbelteils
DE202013011558U1 (de) * 2013-12-23 2015-03-24 Grass Gmbh Vorrichtung zum Öffnen eines bewegbaren Möbelteils
CN107049503B (zh) * 2016-12-23 2019-07-26 李岫琳 一种医疗盒装置
CN106994047B (zh) * 2016-12-23 2019-03-05 马诗歌瑞生物科技江苏有限公司 一种医疗盒结构
CN106994050B (zh) * 2016-12-23 2019-06-21 何淑琼 一种医疗盒装置
WO2021040542A1 (fr) * 2019-08-29 2021-03-04 Colin Daniel Willetts Unité de rangement dissimulée
CN114323389B (zh) * 2022-03-14 2022-05-17 四川交达预应力工程检测科技有限公司 预应力检测方法、不分级快速连续张拉方法及系统

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
DE1963068U (de) * 1967-01-05 1967-06-29 Heinrich Niehaus Schrankmoebel mit fluegeltuer oder klappe.
US3836223A (en) * 1972-10-18 1974-09-17 Avm Corp Cabinet drawer suspension system
DE2419116A1 (de) * 1974-04-20 1975-11-06 Kurz Richard Vorrichtung zum oeffnen von schubladen, tueren und dgl.
DE102004006092A1 (de) 2004-02-07 2005-08-25 Schock Metallwerk Gmbh Auszugführung
ITMC20040110A1 (it) * 2004-09-09 2004-12-09 Sige S P A Sistema per spingere automaticamente a fine corsa di apertura e di chiusura i componenti estraibili dei mobili.
DE102005057190A1 (de) * 2005-11-29 2007-05-31 Miele & Cie. Kg Möbel oder Haushaltsgerät mit einem Einschubteil

Also Published As

Publication number Publication date
WO2009109536A1 (fr) 2009-09-11
EP2247220A1 (fr) 2010-11-10
DE102008012506A1 (de) 2009-09-17

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