Classifications

• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
  • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
  • A47B88/40—Sliding drawers; Slides or guides therefor
  • A47B88/453—Actuated drawers
  • A47B88/46—Actuated drawers operated by mechanically-stored energy, e.g. by springs
  • A47B88/463—Actuated drawers operated by mechanically-stored energy, e.g. by springs self-opening
• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
  • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
  • A47B88/40—Sliding drawers; Slides or guides therefor
  • A47B88/453—Actuated drawers
  • A47B88/46—Actuated drawers operated by mechanically-stored energy, e.g. by springs
  • A47B88/47—Actuated drawers operated by mechanically-stored energy, e.g. by springs having both self-opening and self-closing mechanisms which interact with each other

Definitions

• the present invention relates to an opening and closing device for movable furniture parts, in particular drawers, with a collection device and an ejection device, wherein the ejection device comprises a carrier biased by a power storage, the unlockable in an end position of a guideway and can be coupled with a spout and an ejector.
• opening devices for movable furniture parts which move a movable vaneii in the opening direction via an ejection mechanism (EP 766 939).
• Such opening devices hold the movable furniture part in a predetermined closing position, so that the opening device is unlocked by pulling or pushing the movable furniture part and the movable furniture part is ejected.
• the assembly of the opening device must be very exact, so that the closed position of the movable furniture parts is predetermined to achieve an appealing aperture image.
• the ejection stop is coupled to the ejection activator such that both tensile forces and compressive forces can be transmitted.
• locking means can be provided on the carriage, which can then be locked during an opening or Schi manvorganges.
• the reliability is increased because the carriage and the locking means are positively guided.
• two spaced-apart stops are provided on the carriage, wherein a first stop with the driver in the ejection direction and a second stop in the feed direction with the driver can be coupled.
• the stop acting in the feed direction can be designed to be resilient and can be moved past the catch in the opening direction in a latching manner.
• the closing-effective stopper disengages from the driver when in a cocked and locked position, for example by pivoting while moving along a guideway having an angled end portion.
• a magnet is arranged on the ejection stop, which can be coupled with a metallically fixed activator.
• the ejection stop can transmit not only compressive but also tensile forces; in particular, the carriage can be pulled along a guideway via a coupling of the ejection stop to the stationary activator. This allows a simple way of decoupling the first
• a magnet and a sliding latch can be mounted on the carriage, which is coupled in a closing movement with the activator and decoupled at an opening movement from a certain position of the activator.
• a pivotable lever which forms a stop for the carriage, wherein the carrier is entriegeibar means of the lever of the end position to activate the ejection device.
• the shooting position is predetermined by the pivotable lever.
• the retraction device ensures that the closed position is reached and the carriage bears against the lever without the user having to move the movable furniture part exactly to the closed position.
• the force accumulator of the ejection device is tensioned when closing the movable furniture part, wherein the path for tensioning the energy accumulator spaced from a shooting position is arranged, for example at a distance between 2 to 5 cm.
• the collection device can be activated during a closing operation at the end of the clamping path of the energy storage of the ejection device, so that the distance between the clamping of the ejection device and the actual shooting position can be automatically covered by the feed device.
• the collection device may be formed auc attenuated.
• the ejection device has two guideways.
• One serves to guide the driver and is usually designed as K Wegstockkurve, ie a linear guideway with an angled end portion.
• the further guideway is used to guide the carriage or
• Mitschittens and is preferably designed with no angled section. It is also possible to provide three guideways on the housing.
• the feeder and ejector are preferably
• the housing of the ejection device can be mounted on the underside of a drawer, while the collection device is accommodated in a side frame of a drawer.
• Figure 1 is a perspective view of a piece of furniture with an opening and closing device according to the invention
• Figure 2 is a perspective view of the pusher of the
• FIG. 1 A first figure.
• Figure 3 is an exploded perspective view of an ejection device according to the invention
• Figure 4 is a view of the ejection device in the assembled state
• FIGS. 5 to 12 show several views of the furniture, the ejection device and the feed device in different positions
• FIG. 13 is a detail view of the Biennese slug
• FIGS. 14A to 14C show several views when adjusting the diaphragm gap
• Figure 15 is a view of the opening and closing device at
• FIG. 18 is a force-displacement diagram of the opening and closing device
• Figure 17 is a modified force-displacement diagram with different spring forces
• Figure 18 is a view of the ejector with the settings for the spring
• Figure 1.9 is a perspective view of the pusher with a modified ejection device
• FIGS. 20 to 29 show a plurality of views of the ejection device of FIG. 19 and the retraction device in different positions
• a piece of furniture 1 comprises a furniture body 2, shown schematically, on which a push element in the form of a drawer 3 is slidably mounted.
• 3 pullout guides 5 are provided on opposite sides of the drawer, which are defined by angle 9 on the furniture body 2.
• the drawer 3 with the front panel 4 can be ejected via an ejector 6 in the opening direction, the ejector 6 is supported on an angular activator 7, which is mounted on the furniture body 2.
• the angular activator 7 is attached to a stationary furniture part For example, the carcass wall, the carcass angle of the pullout guide or the guide rail of the pullout guide set.
• the opening and closing device according to the invention is used by way of example in conjunction with a drawer, but it is also possible to use the opening and closing device for other movable furniture parts, such as sliding doors, pushers and flaps, As shown in Figure 2, the ejector 6 at the bottom of the
• Drawer 3 mounted while the pullout guide 5 is housed within side frames 8 of the drawer 3. At the pullout guide 5 is a collection device 40, by means of which the drawer 3 is pulled in the closing direction.
• the ejection device 6 is shown in detail in FIGS. 3 and 4.
• a housing 20 formed from two parts forms a first guide track 21 for a carriage 15.
• the carriage 15 comprises two pins 16 which are movable in the linear guide track 21.
• An ejection stop 10, in which a magnet 11 is accommodated, is arranged on the carriage 15. The magnet 11 can couple to the angular activator 7 and then holds the ejection stop 10 on the activator 7 fixed to the furniture body.
• the ejection stop 10 is adjustable in the closing or opening direction, with the ejection stop 10 for this purpose having a threaded bolt 12, which is guided by two eyelets 14 on the carriage 15. Between the two eyelets 15, a nut 13 is rotatably supported, so that by rotating the nut 13 of the ejection stop 10 can be moved.
• a first stop 17 is formed, which can be brought into engagement with a driver 26 in the ejection direction.
• a second stop 18 is provided on the carriage 15, which can be coupled in the closing direction with the driver 26.
• the second stop 18 is resilient and includes a spring bar 19 which is supported at the bottom of a receptacle 25 for the stop 18.
• the stop 18 can be pressed against the force of the spring bar 19 in the carriage 15.
• the stopper 18 also has on the protruding from the carriage 15 section on a run-on slope.
• a second guide track 22 is formed, on which a driver 26 of the ejection device 6 is movable.
• the driver 26 comprises two pins 27, which engage in the guide track 22 and a protruding tip 28, which can be brought into engagement with the first stop 17 or second stop 18.
• the guideway 22 in this case comprises an angled end portion, on which the driver 26 can be locked by the force of a spring 29.
• the spring 29 can be set at the end remote from the driver 26 at different positions on the housing 20 or the housing 20 arranged components to adjust the force of the spring 29 can.
• a lever 30 is rotatably mounted, which engages with an axis 31 in a receptacle on the housing 20.
• the arm 32 is in the closed position on the second stop 18, while the arm 33 of the lever 30 abuts the driver 26.
• the pins 34 and 35 serve as Drehwegbeskyr for the lever 30.
• the stopper 35 causes the lever 30 can not get out of the sphere of influence of the driver 26.
• the stop 34 causes the lever 30 can not get out of the influence of the stop 18 on the carriage 15.
• the stops 34 and 35 thus increase the reliability of the ejector.
• the opening and closing device is shown in the closed position, in which the front panel 4 is arranged with a small gap y (see FIG. 13) to the furniture body 2.
• a collection device 40 on the pullout guide 5 is via a driver 42 in engagement with an activator 41, which is fixed to the running rail of the pullout guide 5.
• the driver 42 is movably mounted along a cam guide on a housing 43 and tensioned by the force of a spring in the closing direction.
• the spring is received in a cartridge 44, in which a damper can be arranged.
• the retraction device 40 presses the push element 3 in the closing direction, so that the housing 20 is also pressed in the closing direction. Due to the force of the spring of the retraction device, the carriage 15, which is supported on the ejection stop 10 on the activator 7 and therefore can not continue along the guide track 21, acting on the arm 32 of the lever 30. The lever 30 is therefore by the force the spring of the retraction device 40 in Figure 5 is tensioned in the clockwise direction and pushes with the arm 33rd against the driver 26 so that it moves out of the angled end portion of the guideway 22 and is unlocked.
• the lever 30 is therefore by the force the spring of the retraction device 40 in Figure 5 is tensioned in the clockwise direction and pushes with the arm 33rd against the driver 26 so that it moves out of the angled end portion of the guideway 22 and is unlocked.
• FIG. 7 the opening and closing device is shown in an ejection position.
• the front panel 4 is located at a distance from the furniture body. 2
• FIG. 8 shows the position in which the driver 26 of the ejection device abuts against a limiting element 23 which is inserted into the housing 20.
• the housing 20 has a comb 37 which has positioning lugs 38 into which the limiting element 23 can be inserted for the purpose of creating the distances 51 to 55 for the driver 26.
• the driver 26 has now arrived in the end position, while the carriage 15 along the guide track 21 can be moved on.
• FIG. 9 shows the position in which the carriage 15 has now reached its end position on the guide track 21.
• the stop 18 was briefly pressed against the force of the spring bar 29 in the carriage 15 and the stop 18 moves with the run-on slope over the top 28 of the driver away. Subsequently, the stop 18 is latched by the force of the spring bar behind the tip 28 of the driver 26.
• the pusher 4 can now be moved freely in the opening direction, with both the ejector 6 and the retraction device 40 are disengaged and only the tensile force of the magnet 1 1 on the activator 7 must be overcome, with this usually the inertial force of the drawer 3 is sufficient.
• the pusher is again moved in the closing direction, initially the spring 29 of the ejector 6 is tensioned.
• the second stop 18 engages the driver 26 and moves it to the angled end portion of the guide rail 22.
• the driver 26 has arrived at the angled end portion, he presses the lever 30 counterclockwise.
• the tip 28 of the driver 26 is disengaged from the second stop 18, which can now be moved over the driver 26 away.
• the collection device 40 is still out of engagement, since the activator 41 is located just before the driver 42.
• FIG 1 a position is shown in which the retraction device 40 has been activated and the activator 41 is in engagement with the driver 42, which is now moved by the force of a pull-in spring in the closing direction.
• the ejection device 6 is in the tensioned state, wherein the carriage 15 is moved along the guide track 21.
• the Schüeßposition is reached, which is also shown in Figure 5.
• the second stop 18 is now applied to the arm 32 of the lever 30, while the opposite arm 33 abuts against the driver 26. Since the holding forces by the spring 29 are greater than the release forces by the feed device 40, the push element remains stable in the Schüeßposition.
• an adjusting mechanism for the ejection stop 10 is provided on the carriage 15, which has an adjustment path V.
• the ejection stopper 10 can be moved in the closing or opening direction.
• the adjustment of the diaphragm gap can be carried out either with open or closed push element, wherein the accessibility to the nut 13 is given better on the underside of the drawer when the push element is open.
• FIG. 16 shows a force / travel diagram of the opening and closing device according to the invention for the closing operation.
• the closing position is arranged, in which the retraction device 40 exerts a pulling force on the thrust element.
• the ejection device 6 is effective, which is tensioned during a closing movement, so that a closing force must be expended.
• FIG. 17 shows the force-displacement diagram for the opening process.
• the triangle for clamping the ejection device is now arranged offset because the ejection device is effective immediately after unlocking in the closed position. Since the opening force of the ejector is significantly greater than the closing force of the retractor, the pusher 3 is ejected.
• FIG. 19 shows a modified embodiment of an ejection device 6 'according to the invention, which is mounted on the underside of the drawer 3. As in the previous embodiment, a pullout guide is housed within side frames 8 of the drawer 3, in which a collection device 40 is arranged.
• the ejection device 6 ' is shown in Figure 20 in a closed position of the movable furniture part.
• a housing 20 ' forms a first guide track 21' for a carriage 15 '.
• the carriage 15 is held with pin 16 'in a linear guide track 21' movable and has a discharge stop 10 ', which bears against an activator T.
• the ejection stopper 10 ' is formed integrally with the carriage 15', whereby an indexing mechanism may be adopted, as in the previous embodiment.
• a first stop 17' is formed, which can be brought into engagement with a driver 26 'in the ejection direction.
• a second stop 18' on the carriage 15 ' is provided, which in the closing direction with the driver 26' can be coupled.
• the second stop 18 ' is resilient and supported on the carriage 15'. As a result, the stop 18 'against the force of a spring in the carriage 15' are pressed.
• the stop 18 ' also has on the protruding from the carriage 15' portion on a run-on slope.
• a second guide track 22' is formed with a linear central portion and two angled end portions, on which the driver 26 'of the ejector 6' is movable.
• the driver 26 ' is guided over two pins in the guide track 22' and has two
• the second tip can be used for unlocking the driver 26 'when a detent pawl 17 "bears against the carriage 15' at the tip and an unlocking is to be effected by pulling on the movable furniture part 3.
• the detent pawl 17" is also springy and with formed a run-on slope and can behind the tip of the driver 26 'lock.
• the guide track 22 'in this case comprises an angled end portion, on which the driver 26' by the force of a spring 29 'can be locked.
• the spring 29 'can be fixed on the end remote from the driver 26' at different positions on the housing 20 'or on the housing 20' arranged components in order to divide the force of the spring 29 'can.
• a lever 30' is rotatably mounted, which engages with an axis 31 'in a receptacle on the housing 20'.
• the lever 30' On both sides of the axis 31 ', the lever 30' has arms 32 'and 33'.
• the arm 32 ' is in the closed position on the second stop 8', while the arm 33 'of the lever 30' on the driver 26 'is applied, which may be provided to limit the rotational travel stops on the housing 20'.
• a collection device 40 on the pullout guide 5 is, as in the first embodiment via a driver 42 in engagement with an activator 41, which is fixed to the running rail of the pullout guide 5.
• the driver 42 is movably mounted along a cam guide on a housing 43 and tensioned by the force of a spring in the closing direction.
• the spring is received in a cartridge 44, arranged in the damper can be.
• the intake device 40 pushes the push element 3 in the closing direction, so that the housing 20 'is also pressed in the closing direction.
• the carriage 15 ' Due to the force of the spring of the retraction device, the carriage 15 ', which is supported on the ejection stop 10' on the activator 7 'and therefore can not proceed along the guide track 21', acts on the arm 32 'of the lever 30'.
• the lever 30 ' is therefore urged by the force of the spring of the retraction device 40 counterclockwise and presses with the arm 33' against the driver 26 'so that it is moved out of the angled end portion of the guide track 22' out and unlocked.
• Entriegelungs eventually through the retraction device 40 counteracts the force of the spring 29 ', which holds the driver 26' in the locked position. Since the force of the spring 29 'is significantly greater than the force of the retraction device 40, the driver 26' is held in the locked position, when next to the retraction device 40 no further force is exerted on the pusher.
• Fig. 21 the opening and closing device is shown in an ejection position.
• the front panel 4 is spaced from the furniture body 2.
• the retracting device 40 has been tensioned by moving the thrust element in the opening direction, wherein the activator 41 has moved the driver 42 along the guideway up to an angled end portion on which the driver 42 pivots and was brought out of engagement with the activator 41 ( Figure 22).
• the ejector 6 ' continues to be effective and the carriage 15' is moved in the opening direction by the driver 26 '. path!
• the latch 61 moves along the third guide track 60, which runs obliquely to the first guide track 21' for the carriage 15 ', so that the latch 61 is moved slowly downwards.
• FIG. 23 shows the position in which the driver 26 'of the ejection device reaches the second angled end section of the guide track 22' and pivots there.
• FIG. 24 shows the position in which the carriage 15 'has now reached its end position on the guide track 21'.
• the carriage 15 ' was pulled along the guideway 21', with the second stop 18 'being moved over the tip of the carrier 26'.
• the stop 18 ' was briefly pressed against the force of a spring in the carriage 15' and the stop 18 'moves with the run-on slope over the tip of the driver 26' away. Subsequently, the stop 18 'behind the tip of the driver 26' is locked.
• the latch 61 is fully retracted into the carriage 15 'and the carriage 15' is thus decoupled from the activator 7 'and can move away from the activator T together with the housing 20'.
• the thrust element 4 can now be moved freely in the opening direction, wherein both the ejector 6 'and the retraction device 40 are disengaged.
• FIG. 28 shows a position in which the collection device 40 is activated and the carrier 42 is moved along the guideway by the force of a pull-in spring.
• the ejector 6 ' is in the tensioned state, wherein the carriage 15' along the guide track 21 'is moved.
• the latch 61 moves upward again and includes the activator T between the ejection stop 0 'and the latch 61.
• a detent pawl 17 "arranged on the carriage arrives at a tip of the driver 26 'with a run-on slope and latches behind the tip during the closing movement, thereby enabling unlocking of the driver 26' also by pulling on the push element.

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ID=45375301

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Cited By (5)

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Citations (6)

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• 2010
  • 2010-12-22 DE DE202010013193U patent/DE202010013193U1/de not_active Expired - Lifetime
• 2011
  • 2011-12-07 TW TW100144962A patent/TW201236604A/zh unknown
  • 2011-12-13 CN CN201180062532.2A patent/CN103313627B/zh active Active
  • 2011-12-13 EP EP11799275.0A patent/EP2654506B1/de active Active
  • 2011-12-13 ES ES11799275.0T patent/ES2671245T3/es active Active
  • 2011-12-13 WO PCT/EP2011/072534 patent/WO2012084593A1/de unknown

Patent Citations (6)

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