EP3942137A1 - Actuating arm drive with spring guide - Google Patents
Actuating arm drive with spring guideInfo
- Publication number
- EP3942137A1 EP3942137A1 EP20708018.5A EP20708018A EP3942137A1 EP 3942137 A1 EP3942137 A1 EP 3942137A1 EP 20708018 A EP20708018 A EP 20708018A EP 3942137 A1 EP3942137 A1 EP 3942137A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compression spring
- guide device
- actuating arm
- spring
- arm drive
- 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.)
- Pending
Links
- 230000006835 compression Effects 0.000 claims abstract description 64
- 238000007906 compression Methods 0.000 claims abstract description 64
- 230000006641 stabilisation Effects 0.000 claims description 5
- 238000011105 stabilization Methods 0.000 claims description 5
- 230000036316 preload Effects 0.000 claims description 3
- 229930040373 Paraformaldehyde Natural products 0.000 claims description 2
- -1 polyoxymethylene Polymers 0.000 claims description 2
- 229920006324 polyoxymethylene Polymers 0.000 claims description 2
- 229920001169 thermoplastic Polymers 0.000 claims description 2
- 239000004416 thermosoftening plastic Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
- F16F1/12—Attachments or mountings
- F16F1/128—Attachments or mountings with motion-limiting means, e.g. with a full-length guide element or ball joint connections; with protective outer cover
-
- 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
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
- E05F1/1041—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis
- E05F1/105—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis with a compression spring
-
- 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
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
- E05F1/1041—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis
- E05F1/105—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis with a compression spring
- E05F1/1058—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis with a compression spring for counterbalancing
-
- 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
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
- E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
- E05F1/1246—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis
- E05F1/1253—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a compression spring
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/40—Suspension arrangements for wings supported on arms movable in vertical planes
- E05D15/46—Suspension arrangements for wings supported on arms movable in vertical planes with two pairs of pivoted arms
- E05D15/463—Suspension arrangements for wings supported on arms movable in vertical planes with two pairs of pivoted arms specially adapted for overhead 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
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
- E05Y2201/47—Springs
- E05Y2201/474—Compression springs
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0052—Physically guiding or influencing
- F16F2230/0058—Physically guiding or influencing using inserts or exterior elements, e.g. to affect stiffness
Definitions
- the present invention relates to an actuating arm drive for driving a movably mounted furniture part of a piece of furniture with at least one arrangement consisting of a compression spring and at least one guide device for guiding the compression spring.
- Actuating arm drives with a compression spring and at least one guide device for avoiding buckling movements of the compression springs when the compression spring is compressed are known from the prior art.
- guide devices arranged in the interior of the compression spring in the form of rods arranged, for example, in an interior formed by the compression spring are known. It is also known to design guide devices in the form of sleeves enclosing the compression springs.
- actuating arm drives known from the prior art with guide devices as described above is that such guide devices must be designed for the smallest occurring inside diameter or the largest occurring outside diameter of the compression spring. If the compression spring is now loaded, its inside diameter or its outside diameter becomes larger and there is radial play between the compression spring and the guide device.
- the object of the present invention is therefore to provide a spring guide which is improved compared to the prior art and an actuator drive with at least one such spring guide and a piece of furniture with at least one such actuator drive.
- This object is achieved by an actuating arm drive with the features of claim 1 and a piece of furniture with the features of claim 11.
- the at least one guide device has a diameter that is at least regionally variable in order to compensate for radial play between the compression spring and the guide device, taking into account the change in the diameter of the compression spring when the compression spring is loaded.
- the guide device can support the compression spring in all positions of the compression spring against buckling of the compression spring, which can counteract a massively annoying noise occurring in the prior art during the use of such a spring guide and increased wear on the guide device.
- the guide device always rests against the compression spring without play and thus prevents buckling and an associated massively annoying noise.
- the efficiency of the spring guidance can also be optimized as a result, since an essentially straight compression and / or expansion movement of the compression spring, i.e. a compression or expansion movement of the compression spring that runs free from buckling, can be implemented.
- a piece of furniture is also provided with at least one such actuator drive and a furniture part movably mounted on it. It can preferably be provided that the guide device is designed as a sleeve. This enables a material-saving and thus cost-saving production of the guide device compared to a guide device embodied as a rod, for example.
- the guide device designed as a sleeve is slotted in the axial direction and preloaded in the radial direction.
- Such a design of the guide device makes it possible to use simple means to provide a guide device of variable diameter.
- an outer diameter of a guide device in a non-preloaded position is between 0.01 mm and 0.3 mm, preferably between 0.05 mm and 0.1 mm, greater than a smallest inner diameter a compression spring.
- the at least one guide device is arranged at least in some areas in the interior of the compression spring. Compared to an external guide device, this has the advantage that there is less material and space requirement, since the guide device is smaller in diameter and arranged inside the compression spring.
- the at least one guide device encloses the compression spring at least in some areas.
- a stabilization device is arranged within the at least one guide device or within the compression spring. This additionally stabilizes the compression spring and prevents the compression spring from buckling even more reliably.
- the guide device is made from a thermoplastic, preferably from polyoxymethylene.
- a thermoplastic preferably from polyoxymethylene.
- FIG. 1 shows a piece of furniture according to the invention in a perspective view
- Fig. 2 is a perspective side view of an inventive
- Fig. 4a is a perspective view of an inventive
- 5c is a schematic sectional illustration of an inventive
- FIG. 6a various views of a schematic representation of a spring guide according to the invention in a first position
- FIG. 6b shows various views of a schematic representation of a spring guide according to the invention in a second position
- 7a shows various views of a schematic representation of a further exemplary embodiment of a spring guide according to the invention in a first position
- 7b shows various views of a schematic representation of a further exemplary embodiment of an inventive
- FIG. 1 shows a perspective view of a piece of furniture 200 with an actuating arm drive 100 mounted in the interior of the piece of furniture 200 and a movably mounted furniture part 101 driven by this, which, as shown, is designed as a folding flap.
- the furniture part 101 can also be designed, for example, as a flap pivoting flap.
- an actuating arm 102 and a fitting 103 can be seen.
- FIG. 2 shows a perspective view of an actuating arm drive 100 with the housing cover removed from the housing.
- the actuating drive 100 has a fastening point 105 for an actuating arm 102.
- the actuating arm drive 100 also has an energy storage device 104 in the form of a spring assembly, which, as shown, acts on the actuating arm 102 via a transmission mechanism having a plurality of ribs.
- the energy store 104 is shown in an exploded manner in FIG. It has two base parts 6, 7 which can be moved relative to one another, the second base part 7 being pivotably mounted on the housing in the embodiment shown and the first base part 6 interacting directly with the transmission mechanism.
- the springs 2 of the energy store 104 are arranged parallel to one another with respect to their longitudinal axes.
- the illustration essentially corresponds to the intended mounting position of the actuating arm drive 100 in the furniture 200, the springs 2 (or their longitudinal axes) being arranged to run essentially horizontally or lying down.
- the energy store 104 has guide devices 3 according to the invention arranged in the interior of the springs 2 for guiding the springs 2.
- Guide rods 5 are provided to guide the two base parts 6, 7 relative to one another.
- FIG. 4a shows a perspective view of a guide device 3 according to the invention
- FIG. 4b shows a front view of a guide device 3 according to the invention. It can be seen that the guide device 3 is designed as a sleeve. However, other suitable embodiments are also conceivable.
- the guide device 3 has a slot 8 over its entire length in the axial direction. This slot 8 is used to enable changes in the diameter of the guide device 3.
- the guide device 3 is biased in a radial direction.
- the outside diameter of the guide device 3 is minimally larger than the smallest inside diameter of the compression spring 2.
- the outside diameter of a guide device in a non-pretensioned position is preferably between 0.01 mm and 0.3 mm, preferably between 0.05 and 0, 1 mm, larger than the smallest inner diameter of a compression spring.
- the spring 2 is loaded, whereby its inner diameter has increased. Due to the pretensioning of the guide device 3, it expands in the radial direction and thus increases its outer diameter. As a result, the guide device 3 continues to lie fully against the compression spring 2 and can guide it adequately and support it against buckling. It can also be seen that the slot 8 has widened in order to compensate for the change in the diameter of the guide device.
- the compression spring 2 is in an unloaded position, so it is not compressed.
- the spring guide 3 is pretensioned and with its full outer circumference lies snugly against the compression spring 2.
- the change in the diameter of the guide device 3 takes place continuously, which is why the guide device is in full contact with the compression spring 2 in every state of the compression spring 2 and at all times.
- the compression spring 2 is adequately guided and supported against buckling at any point in time and in any state of the compression spring 2.
- FIGS. 6a to 6c again show a spring guide according to the invention in different positions in two views and the position of a movable furniture part corresponding to the position of the spring guide.
- the movable furniture part 101 is in a closed position.
- the spring 2 is compressed to a maximum and accordingly has a maximum diameter and a minimum length.
- the guide device 3 has widened due to its prestressed design and lies snugly against the compression spring 2.
- the slot 8 is largest in this position of the spring guide.
- FIG. 6b shows the spring guide during an opening or closing process of the movable furniture part 101. It can be seen that the spring 2 is compressed. Accordingly, the spring 2 in this position has an enlarged diameter and a shorter length than in an uncompressed position of the spring 2.
- the guide device 3 has widened due to its prestressed design and lies snugly against the compression spring 2.
- the slot 8 is larger in this position of the spring guide than in an uncompressed position of the spring 2.
- the movable furniture part 101 is in an open position.
- the spring 2 is not compressed and accordingly has a minimum diameter and a maximum length.
- the guide device 3 lies snugly against the compression spring 2 due to its pre-stressed design.
- the slot 8 is smallest in this position of the spring guide.
- Figures 7a to 7c show a further embodiment of a spring guide according to the invention in different positions in two views and the position of a movable furniture part corresponding to the position of the spring guide.
- Figures 7a to 7c largely correspond to Figures 6a to 6c.
- a stabilizing device 4 is provided in the exemplary embodiment in FIGS. 7a to 7c.
- the stabilization device 4 is arranged in the interior of the guide device 3.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Cabinets, Racks, Or The Like Of Rigid Construction (AREA)
- Drawers Of Furniture (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50239/2019A AT522287A1 (en) | 2019-03-20 | 2019-03-20 | Lead management |
PCT/AT2020/060033 WO2020186278A1 (en) | 2019-03-20 | 2020-02-06 | Actuating arm drive with spring guide |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3942137A1 true EP3942137A1 (en) | 2022-01-26 |
Family
ID=69726386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20708018.5A Pending EP3942137A1 (en) | 2019-03-20 | 2020-02-06 | Actuating arm drive with spring guide |
Country Status (6)
Country | Link |
---|---|
US (1) | US11834883B2 (en) |
EP (1) | EP3942137A1 (en) |
JP (2) | JP2022528510A (en) |
CN (1) | CN113710867A (en) |
AT (1) | AT522287A1 (en) |
WO (1) | WO2020186278A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD1056697S1 (en) * | 2022-07-25 | 2025-01-07 | Julius Blum Gmbh | Furniture fitting |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1660550U (en) * | 1953-02-11 | 1953-08-06 | Conrad Bruesselbach Fa | VIBRATION DAMPING FOR SUSPENSIONS. |
GB1127008A (en) | 1966-03-22 | 1968-09-11 | Scragg & Sons | Yarn heaters |
JPS62124339A (en) | 1985-11-20 | 1987-06-05 | Yamaha Motor Co Ltd | Power transmission device of working machine such as snow removing machine of the like |
JPS62124339U (en) * | 1986-01-30 | 1987-08-07 | ||
DE10145856B4 (en) * | 2001-09-17 | 2005-09-08 | Huwil-Werke Gmbh Möbelschloss- Und Beschlagfabriken | folding cover |
DE10223026C5 (en) * | 2002-05-22 | 2007-11-08 | Huwil-Werke Gmbh Möbelschloss- Und Beschlagfabriken | cover plate |
DE102004031147A1 (en) * | 2004-06-28 | 2006-01-19 | Robert Bosch Gmbh | Elastic element |
AT502941B1 (en) * | 2004-12-28 | 2011-05-15 | Blum Gmbh Julius | ACTUATOR FOR DRIVING A FLAP OF A FURNITURE |
AT13257U1 (en) * | 2007-09-28 | 2013-09-15 | Blum Gmbh Julius | Actuation mechanism with a pivotally mounted actuator arm |
AT10668U1 (en) * | 2008-08-29 | 2009-08-15 | Blum Gmbh Julius | HOUSING FOR AT LEAST PARTIAL RECORDING OF A FURNITURE FITTING |
CN203879997U (en) * | 2014-01-10 | 2014-10-15 | 温州天力弹簧有限公司 | Compression spring |
AT515493A1 (en) * | 2014-03-13 | 2015-09-15 | Blum Gmbh Julius | Actuator for furniture flaps |
AT515661B1 (en) * | 2014-11-21 | 2015-11-15 | Blum Gmbh Julius | Actuator for movable furniture parts |
ITUB20156022A1 (en) * | 2015-11-30 | 2017-05-30 | Leandro Cappellotto | MOVEMENT MECHANISM OF FURNITURE DOORS |
AT518621B1 (en) * | 2016-05-13 | 2018-10-15 | Blum Gmbh Julius | actuator |
US10317092B2 (en) * | 2016-07-15 | 2019-06-11 | BSH Hausgeräte GmbH | Horizontal hinge for a household appliance door |
WO2018212722A1 (en) * | 2017-05-15 | 2018-11-22 | Samet Kalip Ve Madeni Esya San. Ve Tic. A.S. | Spring assembly for a wing bracket |
CA3066301C (en) * | 2017-06-16 | 2023-10-17 | Locinox | A hydraulically damped actuator |
CN107461100A (en) * | 2017-08-21 | 2017-12-12 | 广东东泰五金精密制造有限公司 | The elastic acting force structure of turning-up devices on a kind of furniture |
-
2019
- 2019-03-20 AT ATA50239/2019A patent/AT522287A1/en unknown
-
2020
- 2020-02-06 EP EP20708018.5A patent/EP3942137A1/en active Pending
- 2020-02-06 JP JP2021556670A patent/JP2022528510A/en active Pending
- 2020-02-06 WO PCT/AT2020/060033 patent/WO2020186278A1/en unknown
- 2020-02-06 CN CN202080029977.XA patent/CN113710867A/en active Pending
-
2021
- 2021-09-17 US US17/478,448 patent/US11834883B2/en active Active
-
2023
- 2023-11-02 JP JP2023188469A patent/JP2024010165A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
US11834883B2 (en) | 2023-12-05 |
JP2024010165A (en) | 2024-01-23 |
WO2020186278A1 (en) | 2020-09-24 |
CN113710867A (en) | 2021-11-26 |
US20220003034A1 (en) | 2022-01-06 |
AT522287A1 (en) | 2020-10-15 |
JP2022528510A (en) | 2022-06-14 |
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