EP2120645A1 - Dispositif de traction à ressort de traction dévié ou renvoyé - Google Patents

Dispositif de traction à ressort de traction dévié ou renvoyé

Info

Publication number
EP2120645A1
EP2120645A1 EP08715485A EP08715485A EP2120645A1 EP 2120645 A1 EP2120645 A1 EP 2120645A1 EP 08715485 A EP08715485 A EP 08715485A EP 08715485 A EP08715485 A EP 08715485A EP 2120645 A1 EP2120645 A1 EP 2120645A1
Authority
EP
European Patent Office
Prior art keywords
spring
deflection
tension spring
region
spring stiffness
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
Application number
EP08715485A
Other languages
German (de)
English (en)
Other versions
EP2120645B1 (fr
Inventor
Günther Zimmer
Martin Zimmer
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to PL08715485T priority Critical patent/PL2120645T3/pl
Publication of EP2120645A1 publication Critical patent/EP2120645A1/fr
Application granted granted Critical
Publication of EP2120645B1 publication Critical patent/EP2120645B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/16—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for sliding wings
    • 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
    • A47B88/467—Actuated drawers operated by mechanically-stored energy, e.g. by springs self-closing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
    • E05F5/027—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops with closing action
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/003—Braking devices, e.g. checks; Stops; Buffers for sliding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20—Combinations of elements
    • E05Y2800/23—Combinations of elements of elements of different categories
    • E05Y2800/24—Combinations of elements of elements of different categories of springs and brakes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets

Definitions

  • the invention relates to a traction device with a tension spring which abuts at least partially enveloping a deflection or deflection roller, a combined deceleration and acceleration device with such a traction device and a guide system with such a deceleration and acceleration device.
  • the present invention is therefore based on the problem to develop a traction device, a combined deceleration and acceleration device with such a pulling device and a guide system with a deceleration and acceleration device, in which a fraction of the spring is largely excluded.
  • the total stroke of the tension spring is at least 50% of its nominal length.
  • the tension spring comprises at least one NEN range of high spring stiffness and at least a range of low spring stiffness.
  • the area of high spring stiffness is applied to the deflection or deflection roller.
  • the quotient of the mean deflection or deflection radius and the difference stroke of the outer and inner spring region per spring turn is greater than 50.
  • FIG. 3 detail of FIG. 1
  • FIG. 4 detail of FIG. 2.
  • FIGS. 1 and 2 show a longitudinal section of a combined deceleration and acceleration device (10).
  • This comprises a carrier element (41) which is shown in FIG. 1 in a parking position (1) and in FIG. 2 in an end position (2).
  • the combined deceleration and acceleration device (10) is part of a guide system, for example a drawer guide of a piece of furniture or a sliding door arrangement.
  • the combined deceleration and acceleration device (10) for example, attached to the piece of furniture to which the drawer is relatively movable.
  • An actuator is then attached to the drawer.
  • the entrainment element (41) of the deceleration and acceleration device (10) in a partial stroke adjacent to the closed end position of the drawer.
  • the actuating element releases the carrier element (41) from the non-positively secured and / or positively secured parking position (1) and guides it in the entry stroke direction (5) along a guide device (21) into the end position (2).
  • the lifting movement of the drawer is delayed relative to the piece of furniture by means of the delay device (31).
  • the acceleration device (51) is activated, which moves the drawer counter to
  • the deceleration and acceleration device (10) remains in this case, for example, until reaching the closed end position of the drawer in engagement with the actuating element of the drawer.
  • a deceleration and acceleration device (10) can be achieved even when opening the drawer to delay and accelerate the drawer movement before reaching the open end position.
  • the deceleration and acceleration device (10) comprises a housing (11) in which the deceleration device (31), the acceleration device (51), the guide device (21) and the entrainment element (41) are arranged.
  • the housing (11) has, for example, three through holes (12). In these, the housing (11) can be fastened by means of Befest Trentsinitteln eg on the piece of furniture.
  • the retarding device (31) comprises a cylinder-piston unit (32), of which only the cylinder (33) and the piston rod (34) are shown in FIGS. 1 and 2.
  • the cylinder-piston unit (32) can be actuated pneumatically or hydraulically.
  • the displacement chamber lies in this embodiment between the piston and the cylinder head (35), the compensation chamber is limited by means of the piston and the cylinder bottom (36).
  • the stroke of the piston and the piston rod (34) is e.g. 110 millimeters.
  • the driving element (41) is pivotally mounted on the piston rod head (37).
  • the pivot axis is in the representation of Figures 1 and 2 normal to the plane of the drawing.
  • the entrainment element (41) is guided, for example, by means of two guide pins (42, 43) in the guide device (21).
  • the latter comprises two guide rails (22) arranged opposite one another in the housing (11), of which only one is shown in longitudinal section.
  • the entrainment element (41) projects out of the housing (11) with two abutment shoulders (44, 45) of different heights.
  • the abutment shoulder (44) facing away from the cylinder (33) is higher than the abutment shoulder (45) facing the cylinder (33).
  • These two abutment shoulders (45, 45) delimit a driving recess (46).
  • the two guide rails (22) in each case comprise a straight (23) and a curved portion (24) adjoining this in the direction of the cylinder (33).
  • the latter is bent in the illustrations of Figures 1 and 2 upwards.
  • the GE- Thought center lines of the guide rails (22) span a plane in which also lies the center line of the piston rod (34).
  • the driving element (41) has a spring receiving means (47).
  • the other end of the tension spring (53) is located in a similarly shaped spring receptacle (13) in the housing (11) - in Figures 1 and 2, for example, above the cylinder (33) - is attached.
  • the spring (53) is e.g. secured with two arranged at the spring ends flange-like plant thickenings (54, 55).
  • the tension spring (53) shown here has a nominal length - this is the length between the plant thickenings (54, 55) - of e.g. 199 millimeters. Their total stroke is for example 125 millimeters, which is about 63% of the nominal length.
  • the tension spring (53) is expanded to a residual stroke of 15 millimeters and, in FIG. 1, is elongated by the total stroke.
  • the tension spring (53) in this embodiment has a constant wire diameter of, for example, 0.85 millimeters. It is in one piece and includes, for example, two areas (56, 57) of different winding diameters. A first area (56) -this area (56) adjoins the catch-side receiving area of the spring (53) -has an outside diameter of 3.8 millimeters, for example. Its length in the unrestrained state is, for example, 61% of the nominal length. With this area (56), the tension spring (53) is a deflection device (71). The deflection device is in this embodiment, for example, rotatably mounted in the housing (11) deflection roller (71). But it can also be fixed.
  • the spring (53) is not tangential to the deflection or deflection device (71), but wraps around them at least partially.
  • the wrap angle of the spring (53) about the deflection roller (71) is in the embodiment shown in Figures 1 and 2 a maximum of 183 degrees.
  • the deflection roller (71), cf. Figures 3 and 4, for example, has a tread (72) which is bounded on both sides by guide washers (73).
  • the tread (72) may have transverse grooves or corrugations.
  • the diameter of the tread (72) is 17 millimeters in this embodiment.
  • the tension spring (53) lies with its inner region (58) on the running surface (72), its outer region (59) delimits the spring (53) radially outward.
  • the second region (57) of the tension spring (53), this region (57), for example, has an outer diameter of 6.6 millimeters, adjacent to a transition region (61) to the first region (56).
  • the second region (57) connects the first region (56) to the housing-side receiving region of the tension spring (53).
  • the length of the unstressed second region (57) in the exemplary embodiment is about 29% of the nominal length of the spring (53).
  • the first area (56) is thus more than twice as long as the second area (57).
  • the diameter of the second region (57) is greater than 1.5 times the diameter of the first region (56).
  • the spring stiffness of the first region (56) in the exemplary embodiment is 0.17 Newton per millimeter.
  • the spring stiffness of the second region (57) is less than one third of this value, for example 0.05 Newton per millimeter.
  • the sweeping Value of the total stiffness of the tension spring (53) is in this series connection of the spring portions (56, 57), the sum of the reciprocals of the individual spring stiffnesses.
  • the tension spring (53) can also have more than two regions of different spring stiffnesses.
  • the carrier element (41) After assembly of the combined deceleration and acceleration device (10) in a guide system, for example, with an open drawer, the carrier element (41) is in the parking position (1) shown in FIG.
  • the piston rod (34) of the cylinder-piston unit (32) is retracted.
  • the tension spring (53) is tensioned, as a result of which the energy store (53) of the acceleration device (51) is charged.
  • the tensioned tension spring (53) is the first portion (56), the portion (56) of high spring stiffness, e.g. lengthened by 14% of the nominal length of the tension spring (53).
  • the area (57) of low spring stiffness is, for example, 49% of the nominal length of the spring (53) elongated.
  • the elongated area (57) of low spring stiffness is arranged so that it does not touch the deflection roller (71).
  • the stroke of the tension spring (53) can be divided between the two partial strokes so that the maximum partial lift of the range (56) high spring stiffness does not exceed 30% of the total stroke of the tension spring (53).
  • the actuating element contacts the abutment shoulder (44) of the entraining element (41) and pulls the entrainment element (41) out of the parking position (1).
  • the entrainment element (41) is pulled along the guide device (21) from the parking position (1) shown in FIG. 1 into the end position (2) shown in FIG.
  • the piston rod (34) is pulled out.
  • the piston of the cylinder-piston unit (32) compresses the displacement space.
  • the Displacement compressed pneumatic or hydraulic medium throttled be displaced into the expansion chamber.
  • hydraulic fluid is additionally supplied from an external expansion tank into the compensation chamber. The throttling may decrease along the piston stroke movement, for example. The movement of the entrainment element (41) - and thus of the drawer - is slowed down.
  • the acceleration device (51) acts as a pulling device (51) on the entrainment element (41).
  • the tension spring (53) contracts and pulls the entrainment element (41) in the direction of the end position (2).
  • the energy store (53) is discharged.
  • the entrainment element (41) - and thus the drawer - is accelerated against the action of the delay device (31) and slowly into its e.g. closed end position out. Here she stays without jerking.
  • the tension spring (53) is now contracted until the residual stroke, cf. Figure 2.
  • the area (56) of high spring stiffness is now e.g. elongated by 1.5% of the nominal length, the range (57) low spring stiffness by 6% of the nominal length.
  • the tension spring (53) moves along the running surface (72) and rotates the deflection roller (71) in a clockwise direction, for example.
  • the turns (62) of the tension spring (53) approach each other.
  • the inner (58) and outer regions (59) of the tension spring (53), cf. Figures 3 and 4, are shifted from each other.
  • the neutral fiber of the contraction lies on the geometric centerline of the tension spring (53).
  • the radius of this neutral fiber, referred to the axis of rotation (74) of the deflection or deflection roller (71), is referred to below as the mean deflection or deflection radius (6).
  • the radius center is the midpoint of the tread radius.
  • the tensile spring (53) is subject to both the load due to the tensile force and an additional load due to the displacement of the inner (58) and outer regions (59) relative to one another.
  • the difference in displacements with respect to the single spring coil (62) is the product of the maximum partial lift of the high spring stiffness region (56) and its spring diameter divided by the product of the middle deflection or deflection radius (6) and the number of turns of the region (6). 56) high spring stiffness.
  • this difference in the deflection of the tension spring (53) is 0.08 millimeters, in the undeflected spring area caused by the deflection difference is zero.
  • the quotient of the mean deflection or deflection radius (6) and this difference stroke per spring turn is in the exemplary embodiment in the deflection region 120, in the undeflected region it goes to infinity.
  • the minimum quotient may also be smaller, for example, it may have a value of 50, without the life of the tension spring (53) is significantly affected even at a high load cycles. The tension spring (53) can thus be performed despite its large total stroke with a short nominal length.
  • the driver (41) When the drawer is opened, the driver (41) is displaced from the end position (2) into the parking position (1) by means of the actuating element.
  • the piston rod (34) with the piston is retracted, for example, almost without resistance.
  • the tension spring (53) is tensioned, wherein the elongation of the area (57) of low spring stiffness is higher than the elongation of the area (56) of high spring stiffness.
  • the portion (56) of high spring stiffness slides along the pulley (71) and rotates this counterclockwise, for example.
  • the regions (56, 57) of different spring stiffness can also differ in the wire thickness of the spring, in the material, in the shape of the turns, etc.
  • the total length of the spring, the length of the individual sections, the number and diameter of the turns, the wire diameter, the deflection or deflection radius, etc. can be varied to adapt, for example, to another stroke or to another required force.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Springs (AREA)
  • Drawers Of Furniture (AREA)

Abstract

L'invention concerne un dispositif de traction comprenant un ressort de traction qui s'appuie, en s'y enroulant au moins partiellement, sur une poulie de déviation ou de renvoi, un dispositif ralentisseur et accélérateur combiné muni d'un tel dispositif de traction, ainsi qu'un système de guidage muni d'un tel dispositif ralentisseur et accélérateur. Selon l'invention, la course totale du ressort de traction est d'au moins 50 % de sa longueur nominale. Le ressort de traction comprend au moins une zone de raideur élevée et au moins une zone de faible raideur. La zone de raideur élevée s'appuie contre la poulie de déviation ou de renvoi. En outre, le quotient obtenu en divisant le rayon de déviation ou de renvoi moyen par la course différentielle de la zone de ressort externe et interne par spire de ressort est supérieur à 50 dans la zone de raideur élevée. L'invention propose ainsi un dispositif dans lequel une rupture du ressort est largement exclue.
EP08715485A 2007-02-16 2008-02-13 Dispositif de traction à ressort de traction dévié ou renvoyé Active EP2120645B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08715485T PL2120645T3 (pl) 2007-02-16 2008-02-13 Urządzenie napinające zawierające sprężynę, która opiera się o rolkę zmiany kierunku lub odkształcenia

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007008363A DE102007008363B3 (de) 2007-02-16 2007-02-16 Zugvorrichtung mit ab- oder umgelenkter Zugfeder
PCT/DE2008/000256 WO2008098563A1 (fr) 2007-02-16 2008-02-13 Dispositif de traction à ressort de traction dévié ou renvoyé

Publications (2)

Publication Number Publication Date
EP2120645A1 true EP2120645A1 (fr) 2009-11-25
EP2120645B1 EP2120645B1 (fr) 2013-01-09

Family

ID=39433911

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08715485A Active EP2120645B1 (fr) 2007-02-16 2008-02-13 Dispositif de traction à ressort de traction dévié ou renvoyé

Country Status (7)

Country Link
US (1) US8186489B2 (fr)
EP (1) EP2120645B1 (fr)
JP (1) JP5284287B2 (fr)
DE (1) DE102007008363B3 (fr)
ES (1) ES2404005T3 (fr)
PL (1) PL2120645T3 (fr)
WO (1) WO2008098563A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2021115515A1 (fr) * 2019-12-10 2021-06-17 Martin Zimmer Système de porte coulissante

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DE102008030933A1 (de) * 2008-07-02 2010-01-07 Zimmer, Günther Betätigungsvorrichtung für Möbelstückteile mit mindestens einem abkuppelbaren Formgedächtniselement
IT1392907B1 (it) * 2008-09-12 2012-04-02 Salice Arturo Spa Dispositivo di auto chiusura di un cassetto o di una parte spostabile di un mobile
DE102010000341A1 (de) 2010-02-08 2011-08-11 Karl Simon GmbH & Co. KG, 78733 Einzugvorrichtung für Möbel
DE102010000340C5 (de) 2010-02-08 2019-12-05 Karl Simon Gmbh & Co. Kg Einzugvorrichtung und -anordnung für Schiebetüren sowie ein Verfahren zur Bedienung einer Schiebetür
DE202010000144U1 (de) 2010-02-08 2011-06-09 Karl Simon GmbH & Co. KG, 78733 Einzugvorrichtung für Möbel
DE202010000143U1 (de) 2010-02-08 2011-06-09 Karl Simon GmbH & Co. KG, 78733 Einzugvorrichtung für Schiebetüren
US8912472B1 (en) * 2010-07-19 2014-12-16 Barnes Group Inc. Induction heating of springs
DE102010060583A1 (de) * 2010-11-16 2012-05-16 Paul Hettich Gmbh & Co. Kg Auszugsführung für ein Auszugsteil eines Möbels
CN102462220A (zh) * 2010-11-17 2012-05-23 北京世博金属制品有限公司 金属外骨骼式自闭系统
DE102011001749A1 (de) 2011-04-01 2012-10-04 Karl Simon Gmbh & Co. Kg Einzugvorrichtung
US8931539B1 (en) * 2013-07-02 2015-01-13 David Louis Jaggli Cord safety device for window coverings
AT515891A1 (de) * 2014-05-23 2015-12-15 Blum Gmbh Julius Möbelantrieb
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US10724285B2 (en) 2015-06-19 2020-07-28 Milgard Manufacturing Incorporated Dampening translator for sliding building closure
US20180016832A1 (en) * 2015-09-21 2018-01-18 Oscar RODRIGUEZ RODRIGUEZ Soft-close system for sliding doors
US10294706B2 (en) * 2016-06-30 2019-05-21 Rollmech Automotive Sanayi Ve Ticaret Anonim Sirketi Sliding door stopper
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US11913274B2 (en) 2019-12-10 2024-02-27 Martin Zimmer Sliding-door system

Also Published As

Publication number Publication date
DE102007008363B3 (de) 2008-09-18
PL2120645T3 (pl) 2013-06-28
WO2008098563A1 (fr) 2008-08-21
JP5284287B2 (ja) 2013-09-11
JP2010517728A (ja) 2010-05-27
ES2404005T3 (es) 2013-05-23
US8186489B2 (en) 2012-05-29
EP2120645B1 (fr) 2013-01-09
US20100007254A1 (en) 2010-01-14

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