EP2994013A1 - Drawer slide and damping element for a drawer slide - Google Patents
Drawer slide and damping element for a drawer slideInfo
- Publication number
- EP2994013A1 EP2994013A1 EP14721885.3A EP14721885A EP2994013A1 EP 2994013 A1 EP2994013 A1 EP 2994013A1 EP 14721885 A EP14721885 A EP 14721885A EP 2994013 A1 EP2994013 A1 EP 2994013A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- damping element
- guide
- damping
- stop
- core
- 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.)
- Granted
Links
- 238000013016 damping Methods 0.000 title claims abstract description 86
- 239000000463 material Substances 0.000 claims abstract description 36
- 238000005096 rolling process Methods 0.000 claims abstract description 22
- 238000001746 injection moulding Methods 0.000 claims description 5
- 235000019589 hardness Nutrition 0.000 claims description 3
- 229920000459 Nitrile rubber Polymers 0.000 description 3
- 239000005062 Polybutadiene Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000007779 soft material Substances 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- A47B88/49—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
-
- 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
-
- 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
- A47B2210/0002—Guide construction for drawers
- A47B2210/0029—Guide bearing means
- A47B2210/0037—Rollers
- A47B2210/004—Rollers cages therefor, e.g. for telescopic slides
-
- 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
- A47B2210/0002—Guide construction for drawers
- A47B2210/0051—Guide position
- A47B2210/0059—Guide located at the side of the drawer
-
- 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
- A47B2210/0091—Drawer movement damping
- A47B2210/0097—Ball or roller cage incorporating damping means
Definitions
- the invention relates to a damping element for a pull-out guide for a pull-out guide and damping element for a pull-out guide
- the invention further relates to a pullout guide with such a damping element.
- Pull-out guides with two or more mutually movable guide rails make it possible to store a movable furniture part, for example a drawer, also referred to as a drawer, a device carrier or the like easily extendable and extend, for example, from a furniture body. To a possibly material damaging hard
- a pullout guide for furniture parts in which when approaching a fully extended position of the furniture guide the opening movement is damped.
- one of the closing damping comparable hydraulic or pneumatic opening damping is provided in the pullout guide.
- This opening damping can also be connected to a self-extracting mechanism, which prevents the mounted movable furniture part from being too easily re-moved from the completely open position due to an accidental knocking.
- the document further discloses a pullout guide in which both the closing and the opening movement is damped by using two Endlagendämpfungsakuen.
- the closing and / or opening damping is very comfortable to operate with a pull-out guide by means of the aforementioned mostly hydraulically or pneumatically operated damping units, since a long damping travel and a correspondingly gentle braking can be achieved.
- a long damping travel and a correspondingly gentle braking can be achieved.
- the closing movement is to be comfortably damped in the manner mentioned, and for reasons of cost and material saving, there is a need for a simpler damping, which may provide a less long damping path, but still suitable to prevent too hard striking the pullout guide in the final position.
- stopper damping elements which consist of a soft material and are positioned between two components of the drawer slide which are to be moved towards one another, for example a roller body cage and a stop arranged on a guide rail.
- damping elements are a favorable alternative to the hydraulic or pneumatic damping units, but are often limited in their lifetime, since the soft material used for damping is often damaged by hard edges of the roller cage or the stop after prolonged use. It is therefore an object of the present invention to provide a damping element of the type mentioned, which has a prolonged life with a simple structure compared to the known damping elements. It is a further object to provide a drawer slide with a simple but effective and durable damper mechanism.
- An inventive damping element of the type mentioned above is characterized in that at least two different materials are used with different hardnesses, wherein at least one layer of a harder material is applied to a core of a softer material.
- the damping element thus consists of a composite of two materials of different hardness, wherein the softer material is used for damping and the harder material protects the surface of the softer core in at least one layer.
- the softer material is used for damping and the harder material protects the surface of the softer core in at least one layer.
- two opposing side surfaces of the damping element are each covered with a layer of the harder material. In this way, both surfaces over which force is applied to the damping element can be protected.
- the two layers of the harder material are particularly advantageously formed as cheeks, which are connected to each other in at least one section by a connecting arc of the harder material.
- the two cheeks and the connecting sheet are made in one piece from the harder material.
- the staple-shaped structure thus formed can be made from the harder material in an injection molding process.
- the staple-shaped structure can then be completed around the core of the softer material.
- the cheeks made of the harder material can be designed profiled towards the softer core and thus provide anchors that cause a better connection of the two materials.
- the core can be inserted as a separate part into the damping element, for example, clipped into the clamp-shaped structure or clamped.
- the damping element has fastening means for fastening the damping element to a roller body cage or to a guide rail of a pullout guide.
- the fastening means may be, for example, pins, possibly undercut pins, or latching elements, for example latching hooks.
- the damping element can also be designed as part of the rolling element cage, in which case at one end or a damping element is arranged at both ends of the rolling element cage.
- the core may be provided with openings.
- the breakthroughs allow in their size, geometry, arrangement and number a variable adjustment of the damping properties of the damping element.
- a pull-out guide according to the invention in particular for a movable furniture part, has at least two mutually displaceable guide rails, wherein between the guide rails at least one Wälz manipulate hisfig is arranged with a plurality of rolling elements and wherein at least one of the guide rails, a stop for the at least one Wälz stresses hisfig is formed.
- the drawer slide is characterized by at least one such damping element, which is arranged between the WälzSystemurafig and the stop.
- the damping element can be fixed, for example, on the roller body cage and / or on the stop on the guide rail and in particular be clipped. This results in the advantages described in connection with the damping element.
- Fig. 1a is a perspective view of a pullout guide in a retracted state
- Fig. 1 b is an exempted guide rail of the pullout guide of
- Fig. 1 c is a detail of a section of Figure 1 b.
- 3 and 4 each show an embodiment of a damping element in a perspective view (partial image a) and a side view (partial image b). and 5a to 5c each show a further embodiment of a damping element in a perspective view.
- FIGS. 1 and 2 show in perspective views an exemplary embodiment of a pullout guide with a damping element, wherein Fig. 1, the pullout guide in a retracted and Fig. 2 reproduced the pullout guide in an extended state.
- FIGS. 1 a and 2 a are overview views in each case, FIGS. 1 b, 1 c and 2 b, 2 c show details of an isolated part of the pullout guide. References to such
- the pullout guide has three guide rails, a carcass rail 10, a middle rail 20 and a running rail 30.
- the middle rail 20 is displaceably mounted relative to the carcass rail 10 and with respect to the running rail 30 via rolling elements not visible in FIGS. 1a and 2a.
- the design of the pullout guide as a so-called full extension with three guide rails is purely exemplary.
- the damping element according to the invention can also be used in a pullout guide with only two guide rails.
- the carcass rail is designed approximately c-shaped, wherein on the open side of the c-shaped profile opposite longitudinal side of the carcass rail 10 two mounting tabs 1 1 are attached. These serve to fix the carcass rail 10 to a furniture body, for example a kitchen cupboard.
- the running rail 30 is also configured in its profile in approximately C-shaped, wherein it is open towards the middle rail 20 downwards.
- the running rail 30 has at its ends fastening means 31, with which it can be fixed to a movable furniture part, such as a drawer.
- the fastening means 31 are a push-in tab and a notch provided with notches. It is understood that the configuration of the fastening means 31 as well as the mounting tabs 1 1 can be varied within the scope of the invention.
- the center rail 20 is arranged vertically between the carcass rail 10 and the running rail 30. The arrangement of the guide rails to each other is just like the profiling of the guide rails purely exemplary.
- the drawer guide optionally synchronization means which cause a mirror image synchronous movement of the carcass rail 10 and the running rail 30 relative to the central rail 20.
- a synchronous movement of the rails to each other is basically given if the rolling elements move between the individual pairs of rails in an actuation of the pullout guide without slippage.
- the synchronization means ensure such movement without slippage of the rolling elements.
- two rollers 22 with a circulating belt are provided on the middle rail 20 as synchronization means. In each case one of the rollers 22 is arranged in the end region of the middle rail 20.
- the circulating belt is fastened on one side to the carcass rail 10 and on the other hand to the running rail 30.
- Figs. 1 b and 2b the center rail 20 is shown in a rear view released from the other two rails.
- rolling element cages 40 are visible, in which the already mentioned rolling elements (with reference numeral 42) are arranged.
- the position of the Wälz- body cages 40 on the middle rail 20 is given by the respective extended position.
- the middle rail 20 is made as a punched / bent part of a metal sheet, wherein a triangular running profile with three running surfaces is formed at the top and bottom.
- the Wälz stressesmaschinefige 40 include the running profiles, wherein each of the three treads 42 are associated with rolling elements.
- the rolling elements 42 are arranged in pockets 43 in the rear and front portions of the rolling element cage 40.
- the central portion of the rolling element cage 40 functions as a spacer for the rolling element packages.
- several, then possibly shorter Wälz stresseskorfige for each of the pairs of rails (cabinet rail 10 / middle rail 20 and middle rail 20 / rail 30) may be provided.
- FIGS. 1 c and 2 c each show an enlarged detail of the rear region of the lower rolling body cage 40. The enlarged cutouts are indicated in FIGS. 1 b and 2 b by references 1 c and 1 c. It can be seen in the enlargements that the damping elements 50 are each arranged on an end face 41 of the roller cage 40.
- a further stop is also formed on the middle rail 20, specifically in the front region of the middle rail 20 (in the figure on the right). This further stop has a limiting effect on the movement of the rolling element cage 40 when the pull-out guide is inserted.
- a first embodiment of a damping element 50 as used for example in Figs. 1 and 2, shown in more detail.
- Fig. 3a shows a perspective view;
- Fig. 3b is a side view.
- the damping element 50 has a core 51 of a soft material disposed between two layers of a harder material.
- the layers of the harder material are formed as two cheeks, an outer cheek 52a and an inner cheek 52i, which surround the core 51 on two opposite sides.
- the damping element 50 is located on the end face 41 of the WälzMechkafigs 40; With the outer cheek 52a, contact is made with the stop 21.
- the cheeks 52i, 52a are C-shaped, wherein they run parallel to each other in the lower region at the same distance, run towards one another in the middle region and are connected to one another in the upper region by a connecting bow 53.
- the bracket-shaped support structure formed by the cheeks 52i and 52a and the connecting sheet 53 may be made, for example, of a hard and impact-resistant plastic material, preferably in one piece in an injection molding process.
- the core 51 fills the area between the two cheeks 52i and 52a of the carrier.
- the core 51 can be injection-molded onto the carrier in a second injection-molding step.
- these In the connecting region of core 51 and cheeks 52a, 52i, these have an armature 54 protruding into the core 51, for example a web, for increasing the strength of the connection between the two materials.
- a soft, elastic material may be used, for example a thermoplastic elastomer such as polypropylene (PP), ethylene-propylene-diene monomer (EPDM), styrene-butadiene-styrene (SBS) or an elastomer such as nitrile rubber ( Nitrile butadiene rubber - NBR), styrene butadiene rubber (SBR), butadiene rubber (Butadiene Rubber - BR) or
- PP polypropylene
- EPDM ethylene-propylene-diene monomer
- SBS styrene-butadiene-styrene
- an elastomer such as nitrile rubber ( Nitrile butadiene rubber - NBR), styrene butadiene rubber (SBR), butadiene rubber (Butadiene Rubber - BR) or
- Chloroprene rubber Chloroprene Rubber - CR. More preferably, the material absorbs shock without applying large restoring forces.
- damping element 50 On the inner cheek 52i fastening means are formed to connect the damping element 50 with the WälzMechshifigs 40.
- a slightly undercut pin 55 and a latching hook 56 are provided as fastening means with which the damping element 50 can be clipped onto the roller body cage 40. In this way, the damping element 50 can also be easily retrofitted or replaced.
- FIG. 3 shows a second embodiment of the damping element 50. From the construction of this damping element 50 corresponds to that of FIG. 3, but in the lower region, the cheeks 51 i and 52 a further spaced apart and the core 51 correspondingly wider ,
- Fig. 5 three further embodiments of a damping element 50 are shown in perspective views.
- the embodiments are alternative embodiments of the embodiment of FIG. 3, to the description of which reference is hereby made.
- connection sheet 53 is weakened significantly by introducing an incision 531 in its material thickness in comparison with the example of FIG. 3 a.
- the cheeks 51 a and 52i experience so when squeezing less large restoring forces through the connecting bow 53.
- the damping element 50 springs less strongly back through the carrier - the spring and damping properties are more advantageously defined by the material of the core 51.
- openings 51 1 are introduced into the core 51, through which the spring and damping properties of the core 51 can be modified.
- the openings 51 1 can be varied in number, size, geometry and arrangement in order to change the properties of the core 51 in a targeted manner.
Landscapes
- Drawers Of Furniture (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013104732.7A DE102013104732A1 (en) | 2013-05-07 | 2013-05-07 | Pull-out guide and damping element for a pullout guide |
PCT/EP2014/059319 WO2014180891A1 (en) | 2013-05-07 | 2014-05-07 | Drawer slide and damping element for a drawer slide |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2994013A1 true EP2994013A1 (en) | 2016-03-16 |
EP2994013B1 EP2994013B1 (en) | 2018-12-26 |
Family
ID=50678205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14721885.3A Active EP2994013B1 (en) | 2013-05-07 | 2014-05-07 | Pull-out guide with a damping element |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2994013B1 (en) |
CN (1) | CN105188480B (en) |
DE (1) | DE102013104732A1 (en) |
ES (1) | ES2717676T3 (en) |
TR (1) | TR201902345T4 (en) |
WO (1) | WO2014180891A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101724642B1 (en) | 2015-05-14 | 2017-04-26 | (주)세고스 | Slide unit for drawer which sequentially withdrawable or retractable |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3588198A (en) * | 1969-08-15 | 1971-06-28 | Lyon Metal Products Inc | Suspension system for filing cabinet |
NL9002568A (en) * | 1990-11-26 | 1992-06-16 | Regout Nv Thomas | BALL CAGE FOR TELESCOPIC RAIL, EQUIPPED WITH A CAGE BUFFER. |
DE4104271A1 (en) * | 1991-02-13 | 1992-08-20 | Grass Ag | Drawer guide runner with soft core and hard outer surface - which is joined by injection moulding, has interfitting radially inward and outward pointing parts |
DE10154274B4 (en) * | 2001-11-05 | 2014-12-24 | BSH Bosch und Siemens Hausgeräte GmbH | Refrigerating appliance and pullout guide for it |
DE202005014050U1 (en) | 2005-07-15 | 2007-01-04 | Alfit Ag | Automatic shift for furniture pull-outs, especially drawers |
DE202005014127U1 (en) * | 2005-09-08 | 2005-11-24 | Paul Hettich Gmbh & Co. Kg | Drawer rail system comprises guide rails attached to furniture carcass and slide rails attached to drawer, Running being assisted by ball bearings in plastic cage with vertical slits at its inner end filled with flexible damping material |
DE202007014389U1 (en) * | 2007-10-16 | 2008-03-13 | Paul Hettich Gmbh & Co. Kg | pull-out guide |
CN101548822B (en) * | 2008-04-03 | 2010-12-29 | 川湖科技股份有限公司 | Slide rail assembly |
DE202009001963U1 (en) * | 2009-03-11 | 2010-07-29 | Paul Hettich Gmbh & Co. Kg | pull-out guide |
DE102010000307A1 (en) * | 2010-02-04 | 2011-08-04 | Paul Hettich GmbH & Co. KG, 32278 | pull-out guide |
JP5173030B2 (en) * | 2010-07-02 | 2013-03-27 | スガツネ工業株式会社 | Slide rail, linear motion guide device, and moving body for linear motion guide device |
DE102010042180A1 (en) * | 2010-10-08 | 2012-04-12 | Schock Metallwerk Gmbh | pull-out guide |
KR101259457B1 (en) * | 2010-11-15 | 2013-04-30 | (주)세고스 | retainer having damper member for slinding apparatus |
-
2013
- 2013-05-07 DE DE102013104732.7A patent/DE102013104732A1/en not_active Ceased
-
2014
- 2014-05-07 EP EP14721885.3A patent/EP2994013B1/en active Active
- 2014-05-07 ES ES14721885T patent/ES2717676T3/en active Active
- 2014-05-07 CN CN201480025722.0A patent/CN105188480B/en active Active
- 2014-05-07 TR TR2019/02345T patent/TR201902345T4/en unknown
- 2014-05-07 WO PCT/EP2014/059319 patent/WO2014180891A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
DE102013104732A1 (en) | 2014-11-13 |
EP2994013B1 (en) | 2018-12-26 |
CN105188480A (en) | 2015-12-23 |
TR201902345T4 (en) | 2019-03-21 |
CN105188480B (en) | 2018-10-19 |
ES2717676T3 (en) | 2019-06-24 |
WO2014180891A1 (en) | 2014-11-13 |
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