EP3850176B1 - Vorrichtung zum mechanischen schliessen eines bewegbaren möbelteils und verfahren zum öffnen und schliessen eines bewegbaren möbelteils - Google Patents

Vorrichtung zum mechanischen schliessen eines bewegbaren möbelteils und verfahren zum öffnen und schliessen eines bewegbaren möbelteils Download PDF

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Publication number
EP3850176B1
EP3850176B1 EP19765996.4A EP19765996A EP3850176B1 EP 3850176 B1 EP3850176 B1 EP 3850176B1 EP 19765996 A EP19765996 A EP 19765996A EP 3850176 B1 EP3850176 B1 EP 3850176B1
Authority
EP
European Patent Office
Prior art keywords
movable furniture
furniture part
driver
closing
damper
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
EP19765996.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3850176A1 (de
Inventor
Kai Michael Stuke
Alexander Buschmann
Sören Klüter
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.)
Hettich ONI GmbH and Co KG
Original Assignee
Hettich ONI GmbH and Co KG
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 Hettich ONI GmbH and Co KG filed Critical Hettich ONI GmbH and Co KG
Publication of EP3850176A1 publication Critical patent/EP3850176A1/de
Application granted granted Critical
Publication of EP3850176B1 publication Critical patent/EP3850176B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E05F1/10—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
    • E05F1/1066—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 traction spring
    • 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
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/002—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means
    • E05F1/008—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means by time control
    • 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
    • E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
    • 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
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/252—Type of friction
    • E05Y2201/254—Fluid or viscous friction
    • E05Y2201/256—Fluid or viscous friction with pistons or vanes
    • 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
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/262—Type of motion, e.g. braking
    • E05Y2201/264—Type of motion, e.g. braking linear
    • 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
    • E05Y2201/404—Function thereof
    • E05Y2201/41—Function thereof for closing
    • 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
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/624—Arms
    • E05Y2201/626—Levers
    • 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 present invention relates to a device for mechanically closing a movable furniture part, such as a door, flap or drawer, according to the preamble of claim 1, and a method for opening and closing a movable furniture part, in particular a door or a drawer.
  • the EP 733 763 A1 discloses a door closer in which the door can be moved in the closing direction via an energy store.
  • the energy storage device comprises a plurality of partial energy storage devices, with a second partial energy storage device being switchable as a function of a timing element. This allows additional energy to be provided to close the door if the door stops in an open position.
  • a door remains in an open position for a certain period of time in order to carry out a loading or unloading process on a piece of furniture or a household appliance in order to automatically close the door after the loading process.
  • the DE 10 2015 212 082 B3 discloses a device for automatically closing a door, in which a pulling element is provided, by means of which the door leaf can be moved in the closing direction.
  • the closing movement can also be slowed down by a damper. Although the closing movement is supported, automatic closing of a door from an open position is not shown.
  • the EP 2 924 217 discloses a door operator or door closer with a timer assembly that operates without electrical components.
  • the time switch arrangement has a linear damper or a rotary damper.
  • a spring is automatically retained for a predetermined period of time when the door is opened. This is accomplished through a mechanism that includes a ratchet coupled to a spring. When opening the door, an element drives the ratchet and at the same time activates a timer by pin to hold the spring. After a predetermined period of time, the timer releases the pawl from the pawl and the spring again acts on the door.
  • EP 1 116 846 discloses a hazardous materials cabinet with a drawer that can be pulled out of the cabinet and a door that can be locked with an automatic locking mechanism.
  • the pull-out is equipped with a retraction mechanism that automatically pulls the pull-out into the cabinet after a delay.
  • EP 2 730 734 B1 discloses a device for mechanically closing a movable furniture part with a driver that can be moved in a guideway.
  • a charged energy store is held by a holding mechanism which can be released by a mechanical timer when the movable furniture part reaches an open position relative to a body, the energy store being discharged by releasing the holding mechanism only after a predetermined time of the timer has elapsed.
  • the user can first open the movable furniture part, in particular the door or flap or drawer, manually and thereby charge the energy storage device in order to then carry out a charging process or a discharging process, with the door being moved in the closing direction via the energy storage device after the predetermined period of time without the user has to intervene manually. This simplifies handling, since the user only has to be actively involved when opening the door, while the closing process can take place independently or automatically.
  • the mechanical timer includes a spring and a damper.
  • the spring and the damper can act on a linearly movable component or a pivoting lever, which then releases of the holding mechanism.
  • the damper causes a delay in the movement driven by the spring, and by tuning the Spring force and the damping force, the delay for releasing the holding mechanism can be adjusted.
  • the movable furniture part can preferably be moved completely into the closed position by means of the energy store. From a catchment area, for example 30° before the closed position, the closing movement can be influenced by an additional energy store, in particular a catch spring and/or a damper, with the catch spring and/or damper being able to be provided, for example, in a hinge or pull-out rail which the movable furniture part can be pivoted or moved on the body.
  • an additional energy store in particular a catch spring and/or a damper, with the catch spring and/or damper being able to be provided, for example, in a hinge or pull-out rail which the movable furniture part can be pivoted or moved on the body.
  • the holding mechanism has a driver that can be moved directly or indirectly with the movable furniture part and to which the energy storage device is coupled, the driver being able to be placed on an angled end section of a guide link or guide track in order to keep the energy storage device in the charged state.
  • the driver can then be released from this angled end section via the timing element.
  • a first lever is coupled directly or indirectly, in particular by a tension element, to a carriage along a guide track and the carriage can be moved along a guide track, the carriage being engageable with the driver which preloads the energy store.
  • a damper is provided for braking the door before it reaches a maximum open position.
  • the damper prevents loud impact noises when the maximum opening position is reached and can also be integrated into the device.
  • the device preferably comprises a joint mechanism formed from a plurality of levers, with a connection for fixing to a movable furniture part or to a body being formed on a lever at the end.
  • the housing of the device is preferably provided on the body and the connection of a lever to the movable furniture part, but a reverse arrangement with the housing on the movable furniture part and the connection to the body is also possible.
  • the first lever of the lever mechanism can be directly or indirectly connected to a pulling element, by means of which the carriage moves along the guideway is movable.
  • the carriage can also be brought into engagement with a second driver, which has a damper with the first driver is connected.
  • This damper between the first driver and the second driver preferably forms the opening damper, which only becomes effective shortly before the maximum opening position of the movable furniture part is reached.
  • a spring can be provided parallel to the damper between the two carriers and bias the carriers towards one another so that the movable furniture part, for example door, flap, drawer or sliding door, can be moved automatically into the maximum open position.
  • the timing element comprises a pivoted lever which can be rotated in order to unlock a driver from the fixed position which can be moved along a guideway and fixed at an angled end section.
  • the pivoting lever can be connected to a damper and a spring, which ensure a time-delayed movement of the pivoting lever. Only after the pivoting lever has been released by a blocking element can the pivoting lever be moved, braked by the spring and the damper, in order to unlock the driver.
  • the blocking element can be a lever, for example, which is arranged between the housing and the connection to the door. Only shortly before the maximum opening position is reached is the lever moved into a position in which the pivoted lever is released. This can be achieved, for example, by a cam guide on a surface of the pivoted lever and a corresponding contact surface on the lever.
  • the time between activating the timer and unlocking the locking mechanism is preferably adjustable.
  • the period of time is preferably in a range between 3 s and 60 s, preferably 5 s to 30 s, depending on how long the user wants the door to be open.
  • the damper can be designed as a fluid damper to adjust the time period, with the damping force being adjustable by adjusting the volume flow through a piston of the fluid damper, and thus also the length of time until the timer ensures release of the holding mechanism.
  • the length of time between the activation of the timer and the unlocking or releasing of the holding mechanism can also be adjusted by other means, for example by changing the spring force of the spring of the timer.
  • the movable furniture part is first opened manually and at least one energy store is charged during the opening movement, the energy store being in a charged state by a Holding mechanism is held.
  • the door is then positioned in an open position, as a result of which a timer is activated, the holding mechanism having a driver which can be moved along a guide track and which can be placed on an angled end section in order to keep the energy store in a charged state.
  • the open position can be at least 80° away from the closed position, depending on the maximum open position of the hinges, for example.
  • the positioning of the movable furniture part in the open position activates a timer, which releases a holding mechanism after a predetermined time, whereby the driver is released from the angled end section via the timer, in order to then move the movable furniture part via the energy store in the closing direction.
  • This improves handling, since the movable furniture part is automatically moved in the closing direction, with the method being particularly useful for furniture or household appliances.
  • the energy store is preferably charged in an angular range from the closed position to a first open position of the movable furniture part, for example up to a range between 30° and 60°.
  • This charging area is adjoined by an area in which the movable furniture part can be moved further in the opening direction in a freewheel.
  • This range can be between 30° and 90°, for example.
  • the timer can only be activated when the movable furniture part, such as a door, is arranged in an open position, for example in a range of up to 20°, in particular 10°, before the maximum open position. This enables easy handling, since the forces at the beginning of opening the door are felt to be less disruptive than forces in an opening area away from the closed position.
  • a piece of furniture 1 comprises a furniture body 2 on which a door 3 is pivotably held.
  • Hinges 4 are provided for this purpose, which have a side part 5 which is fixed to the furniture body 2 and which is fixed to the furniture body 2 via a mounting element 6 .
  • a hinge part 7 which is fixed to the door 3 is pivotably mounted on each side part 5 of a hinge 4 .
  • the hinges 4 can be designed as four-bar hinges, but the use of single-bar hinges or seven-bar hinges is also possible.
  • a device 10 for mechanically closing the door 3 which comprises a housing 11 which contains a closing mechanism which has a lever 13 which is connected to the door 3 via a connection 12 . It is also possible to fix the housing 11 to the door 3 and the connection 12 to the furniture body 2. In addition, the device 10 can also be used for household appliances or other devices instead of for furniture.
  • the function of the device 10 for mechanically closing a door 3 is first schematically in terms of figure 2 explained.
  • a first opening area with the angle ⁇ which can be between 30° and 80°, for example, the door is moved manually against the force of an energy store.
  • the door 3 is moved further in the opening direction in a freewheel, wherein the angular range of the freewheel can be, for example, in an angular range ⁇ between 30° and 60° away from the closed position.
  • the door 3 is moved until shortly before the maximum opening position is reached, and is damped in this angular range y, that is to say decelerated, until the maximum opening position is reached.
  • the maximum opening position can be in an angular range y between 90° and 180°, for example.
  • a timer is activated in this last angular range, as indicated schematically by the dashed line. This line symbolizes a period of time between the activation of a timer and the release or unlocking of a holding mechanism for automatic automatic closing of the door. After this period of time has elapsed, for example between 3 s and 60 s, the door 3 is automatically moved in the closing direction by the energy store. After accelerating door 3 due to the energy store, the door continues to move freely in the closing direction, as shown by the arrows.
  • the hinges 4 can dampen the closing and pull it in, which has a closing spring and a closing damper, for example, in order to slow down the closing movement of the door 3 until it is in the closed position.
  • the closing damping can also be effected exclusively by the spring 34 and/or the damper 35 of the device.
  • FIG 3 the door 3 is shown in a closed position on the furniture body 2.
  • the housing 11 is fixed to the furniture body 2 and the connection 12 is fixed to the door 3 .
  • a first lever 13 is mounted in an articulated manner on the connection 12 and is connected in an articulated manner via an axis 14 on the side facing away from the connection 12 to a second lever 15 which is arranged on the housing 11 such that it can rotate about an axis 16 .
  • a pulling element 18 which is connected to a carriage 20 is provided on the lever 13 or the axis 14, optionally also on the lever 15.
  • the pulling element 18 can have a bolt 19 which is connected to the carriage 20 .
  • the carriage 20 is along a linear guideway or
  • a first projection 24 for engagement with a driver 25 is formed on the carriage 20 and is connected by an energy store 29 in the form of a spring, in particular a tension spring.
  • the driver 25 has guide elements 26 , for example pins or bolts, which are formed in a guide track 27 on the housing or on a component connected to the housing 11 , the guide track 27 having an angled end section 28 .
  • the guide track 27 can be designed as a groove or slot.
  • the door 3 is pivoted manually in the opening direction, as shown in figure 4 is shown.
  • the lever 13 is pivoted about the axis 14, and the movement of the axis 14 also moves the tension element 18 in the opening direction, with the movement of the tension element 18 being transmitted to the carriage 20, which carries the driver 25 against the force of the energy store 29 in the opening direction emotional.
  • the energy store 29 is fixed to a holder 30 on the housing 11 on the side opposite the driver 25 .
  • the driver 25, which is prestressed by the energy store 29, is parked on the angled end section 28, and the projection 24 disengages from the driver 25.
  • the door 3 can now be moved further in the opening direction without the action of the energy store 29, ie in freewheeling.
  • the second driver 31 is connected to the first driver 25 via a damper 35, which is designed as a linear damper and has a damper housing and a linearly movable piston rod.
  • the damper 35 can be fixed at one end to a guide element 26 of the driver 25, for example by locking means, and on the opposite side the damper 35 is connected to a further guide element 32 of the second driver 31, for example by locking means.
  • the guide elements 32 are also designed as pins or bolts and thus enable the damper 35 to be easily fixed.
  • another spring 34 is also tensioned, which is designed as a tension spring and biases the drivers 31 and 25 towards one another.
  • the in figure 5 position shown in which the back check is activated.
  • This activation takes place by unlocking the driver 31 from the parking position from the angled end section of the guide track 33, so that the second driver 31 is now pulled by the force of the spring 34 towards the first driver 25.
  • the damper 35 which is designed as a pressure damper, acts and brakes a movement of the second driver 31 toward the first driver 25.
  • the first driver 25 is held in the parking position on the angled end section of the guide track 27 .
  • the door 3 can be moved in the opening direction until the maximum opening position is reached, which can be in a range between 90° and 180°, for example.
  • a timer 9 is activated at a certain point just before reaching the maximum opening position or at the maximum opening position.
  • the timer 9 can release the driver 25 from the end section 28 after a predetermined period of time.
  • the timer 9 can be actuated via the lever 15 which is mounted on the housing 11 so that it can rotate about the axis 16 .
  • a damper 43 and a spring 44 are fixed to the lever 15 or its bearing axis 16 and are connected to a pivoting lever 40 at the opposite end.
  • the pivoting lever 40 is in the opening movement of the door 3 in the Figures 3 to 5 has not been noticeably moved and is rotatably mounted about an axis 41 .
  • a guide element 17 acts on the pivoting lever 40 and is held on a cantilever on the lever 15 .
  • the guide member 17 is moved along a cam guide 42 on the pivoting lever 40 which is curved, and thus the pivoting lever 40 is held in the same position despite the opening movement of the door 3 even if the guide member 17 is moved along the cam guide 42.
  • FIG 6 the opening position of the door 3 is shown, at which the timer 9 was activated.
  • the lever 15 was pivoted further about the axis 16 so that the guide element 17 was lifted off the curved guide 42 .
  • the timing element 9 is now activated, since the forces from the spring 44 and the damper 43 now act on the pivoting lever 40 .
  • the spring 44 rotates the swing lever 40 clockwise in figure 6 , and the damper 43 brakes this pivoting movement, which takes place slowly.
  • FIG 7 the position is shown in which the pivoting lever 40 of the timing element 9 releases the catch 25 of the locking mechanism from the locked position on the angled end section 28 .
  • the pivoted lever 40 acts on the driver 25 or the guide element 26 in order to move the guide element 26 out of the angled end section 28, so that the driver 25 is no longer held on the angled end section 28, but rather along the guide track 27 by the energy store 29 is movable.
  • the driver 25 By unlocking the driver 25 by the timer 9, the driver 25 is now moved by the energy store 29 along the guideway 27, with the carriage 20 being moved by the second driver 31.
  • the driver 25 acts on the compressed damper 35, which in turn acts on the second driver 31, which presses on the projection 36, the carriage 20 in figure 7 pushes to the right.
  • the pulling element 18 is moved with the carriage 20, which in turn ensures that the levers 13 and 15 are pivoted, and the door 3 pivots in the closing direction.
  • the timing element is reset again via the guide element 17 of the lever 15 .
  • the door 3 is thus automatically accelerated in the closing direction by the energy store 29 until the figure 8 shown position is reached.
  • the first driver 25 presses due to the action of the energy store 29 on the second driver 31, which has however arrived at the end of its travel path and is now parked again on the angled end section of the guideway 33.
  • the projection 36 on the carriage 20 disengages from the driver 31, and the door 3 can be moved further in the closing direction in the freewheel, as is shown in FIG figure 9 is shown.
  • the door 3 is moved further in the closing direction if the user does not stop this movement.
  • the driver 25 reaches an end position along the guideway 27 in front of the driver 31, so that the closing movement of the door 3 moves the driver 31 away from the driver 25 against the force of the spring 34 and the damper 35 is moved apart again.
  • the driver 25 is shown in an end position and the second driver 31 at the angled end portion 33, in which there is no longer any engagement with the carriage 20.
  • the door 3 can now be moved further in the closing direction, the carriage 20 being moved further to the right by the lever 13 and the pulling element 18 .
  • a predetermined draw-in area for example 20° to 40° before the closed position
  • the door 3 is drawn in by draw-in springs on the hinges 4 in the closing direction, with optional dampers also being able to be provided on the hinges 4 to keep the door 3 moving in the closing direction brake before reaching the closed position.
  • the carriage 20 returns to the in figure 3 shown closed position moves, wherein the projection 24 on the carriage 20 runs over the driver 25, which can be pivoted, for example, in the end position, so that the projection 24 again latches onto a receptacle of the driver 25.
  • the projection 24 can be designed to be bendable in order to be able to run over the driver 25, or the carriage 20 is designed to be pivotable in the region of the projection 24.
  • the timer 9 includes a damper 43, a spring 44 and a pivoted lever 40.
  • the force of the spring 44 can be changed, or the volume flow that occurs when it is pressed or Pulling the linear damper apart between two chambers in a damper housing can be adjusted.
  • the period of time can be between 3 s and 60 s, for example, depending on the application for which the device 10 is used.
  • the device 10 shown can be modified in many ways within the scope of the invention.
  • tension springs shown compression springs, gas pressure springs or other spring elements can also be used.
  • dampers can also be designed as rotary dampers instead of linear dampers.
  • the drivers 31 and 25 can be guided directly on the housing 11 via separate guide devices.
  • lever mechanism between the housing 11 and the door 3 can be changed, for example if the hinges are not designed as four-bar hinges. As a result, the levers 13, 15 and the pulling element 18 can also change.
  • FIGS. 10A and 10B a piece of furniture 1' or household appliance is shown, which has a furniture body 2', on which a drawer 3' is held so that it can be moved via pull-out guides, in which case a similar locking mechanism is provided as in the previous exemplary embodiment.
  • the drawer 3' is arranged on the furniture body 2' in the closed position.
  • the drawer 3 ' is connected to a carriage 20' or formed integrally with the carriage 20', on which a first projection 24' is formed for engagement with a driver 25', which is connected by an energy accumulator 29' in the form of a spring.
  • the driver 25' has guide elements which are formed in a guide track 27 on a housing or a rail of the pull-out guide.
  • the guide track 27' has an angled end section 28' on which the driver 25' with the tensioned energy store 29' can be parked.
  • the drawer 3' When opening, the drawer 3' is manually pulled in the opening direction, with the movement being transmitted to the carriage 20', which moves the driver 25' in the opening direction against the force of the energy store 29', until the driver 25' reaches the angled end section 28'. is parked, after which the projection 24 'disengages from the driver 25' and can be moved further in the opening direction in the freewheel.
  • FIG 10B the maximum opening position of the drawer 3' is shown at which a timer 9' has been activated.
  • An activator 17' is provided on the drawer 3', in particular in the form of a starting bevel, which acts on a pivoted lever 40' in order to release it from the locked position.
  • the timing element 9' is started and the pivoting lever 40' is moved by the forces of a spring 44' against the force of a damper 43', in a manner similar to that already explained in detail in the first exemplary embodiment.
  • the driver 25' of the holding mechanism is released from the locked position on the angled end section 28' by the pivoting lever 40'.
  • the driver 25' is moved by the energy store 29' along the guideway 27', with the carriage 20' being pulled in the closing direction by the second driver 31'.
  • the drawer 3' is automatically accelerated in the closing direction by the energy store 29' until the second driver 31' has reached the end of its travel path and is parked on the angled end section of the guide track 33 and the first driver 25' cannot be moved any further in the closing direction .
  • the driver 31' is decoupled from the projection 36' and the drawer 3' is moved further in the closing direction in freewheeling mode. By accelerating the drawer 3', it can be automatically moved into the closed position provided the user does not stop the movement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Drawers Of Furniture (AREA)
EP19765996.4A 2018-09-12 2019-09-06 Vorrichtung zum mechanischen schliessen eines bewegbaren möbelteils und verfahren zum öffnen und schliessen eines bewegbaren möbelteils Active EP3850176B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018122289.0A DE102018122289A1 (de) 2018-09-12 2018-09-12 Vorrichtung zum mechanischen Schließen eines bewegbaren Möbelteils und Verfahren zum Öffnen und Schließen eines bewegbaren Möbelteils
PCT/EP2019/073850 WO2020053094A1 (de) 2018-09-12 2019-09-06 VORRICHTUNG ZUM MECHANISCHEN SCHLIEßEN EINES BEWEGBAREN MÖBELTEILS UND VERFAHREN ZUM ÖFFNEN UND SCHLIEßEN EINES BEWEGBAREN MÖBELTEILS

Publications (2)

Publication Number Publication Date
EP3850176A1 EP3850176A1 (de) 2021-07-21
EP3850176B1 true EP3850176B1 (de) 2022-12-28

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EP19765996.4A Active EP3850176B1 (de) 2018-09-12 2019-09-06 Vorrichtung zum mechanischen schliessen eines bewegbaren möbelteils und verfahren zum öffnen und schliessen eines bewegbaren möbelteils

Country Status (4)

Country Link
EP (1) EP3850176B1 (zh)
CN (1) CN112739880B (zh)
DE (1) DE102018122289A1 (zh)
WO (1) WO2020053094A1 (zh)

Citations (1)

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EP2730734B1 (de) * 2012-11-13 2017-09-13 Häfele GmbH & Co. KG Bidirektionale Einzugsvorrichtung für eine mittlere Schiebetür

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GB2042625A (en) * 1979-01-26 1980-09-24 Dixon M A Door Closer Mechanism
DE8419547U1 (de) * 1984-06-29 1985-10-24 Kremer, Karl-Heinz, Dipl.-Ing. (FH), 8550 Forchheim Lüftungsautomatik für Fenster und Türen
EP0733763B1 (de) * 1995-03-21 2000-08-16 GEZE GmbH Türschliesser
EP1116846B1 (de) * 2000-01-12 2004-10-13 asecos GmbH, Sicherheit und Umweltschutz Schrank, insbesondere Gefahrstoffschrank
AT502941B1 (de) * 2004-12-28 2011-05-15 Blum Gmbh Julius Stellantrieb zum antrieb einer klappe eines möbels
DE202005001152U1 (de) * 2005-01-24 2005-05-04 Asecos Gmbh Sicherheit Und Umweltschutz Sicherheitsschrank
CN200938950Y (zh) * 2006-07-06 2007-08-29 金竣企业股份有限公司 一种抽屉滑轨的自动关闭装置
US8083304B2 (en) * 2007-07-18 2011-12-27 Accuride International, Inc. Self closing mechanism for drawer slides
JP4808200B2 (ja) * 2007-09-26 2011-11-02 大建工業株式会社 戸の緩衝装置および戸構造
JP5652998B2 (ja) * 2008-08-07 2015-01-14 文化シヤッター株式会社 開閉装置の開閉体停止装置
FR2982897B1 (fr) * 2011-11-23 2014-07-18 Fermod Ensemble de retenue pour porte coulissante et installation correspondante
CN204040737U (zh) * 2014-03-10 2014-12-24 娄万东 定时关门装置
DE102014104282B3 (de) * 2014-03-27 2015-02-05 Dorma Deutschland Gmbh Zeitschalteinrichtung für einen Türantrieb oder einen Türschließer
CN104727680B (zh) * 2015-04-09 2017-01-25 伍志勇 用于滑动门的弹性摆动滚轮机构
DE102015212082B3 (de) * 2015-06-29 2016-12-15 Geze Gmbh Einrichtung zum selbsttätigen schliessen einer tür
DE102015120277B4 (de) * 2015-11-23 2024-09-26 Paul Hettich Gmbh & Co. Kg Bewegbares Möbelteil, Möbel, Haushaltsgerät, Verfahren zum Öffnen eines bewegbaren Möbelteils und Verfahren zum Schließen eines bewegbaren Möbelteils

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EP2730734B1 (de) * 2012-11-13 2017-09-13 Häfele GmbH & Co. KG Bidirektionale Einzugsvorrichtung für eine mittlere Schiebetür

Also Published As

Publication number Publication date
DE102018122289A1 (de) 2020-03-12
EP3850176A1 (de) 2021-07-21
CN112739880A (zh) 2021-04-30
WO2020053094A1 (de) 2020-03-19
CN112739880B (zh) 2022-11-29

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