Flap fitting, and piece of furniture comprising a flap fitting

Abstract

The invention relates to a flap fitting (10) comprising: a housing (11) for attachment to a furniture carcass (2); and a mounting element (12) for attachment of a flap (8) associated with the furniture carcass (2), wherein the housing (11) and the mounting element (12) are connected to one another by means of a lever mechanism (20) and are guided so as to be movable relative to one another, the flap fitting comprising a damping unit (40) which is arranged in the housing (11) and has at least one damper (43) which serves to damp the opening and / or closing movement of the mounting element (12) relative to the housing (11). The flap fitting (10) is characterised in that the at least one damper (43) is arranged in or on a linearly displaceable damping carriage (42) coupled to the lever mechanism (20), and in that at least one stop unit (47, 48) having at least one stop surface is provided, which, upon approach to the open position and / or the closed position, cooperates directly with the damping carriage (42), or indirectly with the damping carriage (42) via the damper (43), in a sliding position or in a sliding-position range of the damping carriage (42), wherein the sliding position and / or the sliding-position range can be adjusted by means of at least one adjuster. The invention also relates to a piece of furniture (1) comprising a furniture carcass (2) and at least one flap (8) which is associated therewith and which is mounted on at least one such flap fitting (10).

Description

[0001] Flap fittings and furniture with flap fittings

[0002] The invention relates to a flap fitting with a housing for attachment to a furniture carcass and with a mounting element for attaching a flap associated with the furniture carcass, wherein the housing and the mounting element are connected to each other via a lever mechanism and are movably guided relative to each other, comprising a damper unit arranged in the housing with at least one damper which serves to dampen the opening and / or closing of the mounting element relative to the housing. The invention further relates to a piece of furniture with a furniture carcass and at least one flap associated thereto and at least one flap fitting.

[0003] Furniture, especially kitchen furniture or other household furniture such as base cabinets or wall cabinets, typically has a front-opening cabinet body to which movable components are mounted, guided by fittings. Particularly in wall cabinets, flaps are frequently used as movable components to close the cabinet body. These flaps are supported and guided by at least one, usually two, side-mounted flap hinges. The hinges allow the flap to open upwards (pivot upwards), pivoting, for example, around an imaginary horizontal pivot axis located in the upper part of the cabinet body. Other upward opening movements of the flap are also conceivable.

[0004] The lever mechanism of a flap fitting is typically designed as a multi-part, single- or multi-joint lever mechanism, connecting a housing of the flap fitting to a mounting element to which the flap is attached. To advantageously perform a combined pivoting and sliding movement, multi-joint lever mechanisms have become established, whose links are coupled to each other and to the housing or mounting element at different pivot axes. One link of the lever mechanism transmits the torque exerted by the flap in an open position to the lever mechanism.

[0005] The flap fitting typically incorporates a power storage unit with a spring assembly that provides a driving force for the lever mechanism of the flap fitting and counteracts or assists the torque to hold the flap in the open position, possibly an intermediate position, and / or the closed position. A damper unit is also usually present, which dampens the movement of the flap as it approaches an open and / or closed position to ensure a smooth approach to the final position.

[0006] The publication EP 3 137 711 B1 describes a flap fitting with a lever mechanism for guiding a flap, which includes a linear damper. The damper is mounted on one of the levers of the lever mechanism and is actuated by a pivot lever coupled to the lever mechanism. This actuating pivot lever has a curved actuating surface through which it acts on the damper. The pivot lever is mounted to the lever mechanism via an adjustment mechanism, allowing the damping point to be changed. The movement of the pivot lever is perpendicular to the actuation direction of the linear damper, which could negatively affect the damper's service life.

[0007] Publication WO 2009 / 033960 A1 describes a flap fitting for an oven in which the pivoting movement of the flap is converted into a linear movement of a slider equipped with stop surfaces that interact with one or two linear dampers to dampen the flap movement. The stop moves against the linear damper in the intended direction of actuation; there is no adjustment mechanism for the point of damping action.

[0008] The object of the present invention is to create a flap fitting with an opening and / or closing damping mechanism that has a simple adjustment option for the point of application of the damping and, in particular, also makes it possible to couple the point of application of the damping to a setting for the maximum opening angle.

[0009] This problem is solved by a flap fitting or a piece of furniture with such a flap fitting, possessing the features of the respective independent claim. Advantageous embodiments and further developments are the subject of the dependent claims.

[0010] A flap fitting according to the invention is characterized in that the at least one damper is arranged in or on a linearly movable damper slide coupled to the lever mechanism, and that at least one stop unit with at least one stop surface is provided, which, when approaching the opening and / or closing position, interacts directly with the damper slide or indirectly via the damper with the damper slide in a sliding position or in a sliding position range of the damper slide, wherein the sliding position and / or the sliding position range is adjustable by means of at least one adjuster.

[0011] Unlike a pivoting movement, a linear movement between the damper and the stop results in an actuation that does not stress the damper, especially if the at least one damper is a linear damper with a cylinder and a piston rod. Due to the linear movement of the damper slide, and thus also of the damper itself, the damper's engagement point can be easily determined by a fixed or movable stop. Furthermore, a stop can also be provided for the damper slide itself, allowing the damper unit to also be used to define the maximum opening angle of the flap.

[0012] In an advantageous embodiment of the flap fitting, the damper slide is coupled directly or indirectly to the lever mechanism via a push and pull rod. The lever mechanism can be a multi-joint lever mechanism, for example, a 4-joint or a 7-joint lever mechanism. However, it is also possible to use the damping arrangement according to the invention with a 1-joint lever mechanism, i.e., with a flap fitting in which a mounting element for the flap is pivotably mounted in a single pivot axis. The push and pull rod can be arranged directly between the mounting element and the damper slide.

[0013] Within the scope of this application, the term "joint axis" refers both to the abstract axis of rotation or pivoting between two articulated components and to its implementation in the form of, for example, a bolt, a shaft, or a comparable mechanical element. If the position of an axis of rotation is defined, this corresponds in practice to the position of the radially central longitudinal axis of the mechanical element.

[0014] In a further advantageous embodiment of the flap fitting, the at least one stop unit has an end stop surface against which the damper slide directly abuts and a stop surface against which the at least one damper abuts. With one and the same stop element, the end position of the flap and the point of damping engagement as the flap approaches the end position are thus determined. This is particularly advantageous for the open position of the flap. Preferably, the end stop surface and the stop surface for the damper of the at least one stop unit are spaced apart from each other in the direction of movement of the damper slide, and the distance between the two stop surfaces is particularly variable. The distance determines how far before the end stop the damping engages.

[0015] If at least one stop unit can be moved in the direction of movement of the damper slide, the end stop can be set, whereby the point of application of the damping is advantageously moved automatically.

[0016] In a further advantageous embodiment, the flap fitting has two stop units, one of which is arranged in front of and the other behind the damper slide in the direction of movement. One of the stop units then defines the damping engagement point and, if applicable, also the end position for the opening movement. The other stop unit defines the damping engagement point and, if applicable, also the end position for the closing movement.

[0017] In a further advantageous embodiment of the flap fitting, the at least one stop unit has a base body with an end face from which a stop plunger projects. The end face of the base body can comprise the stop surface for the damper slide. An end face of the stop plunger can form the stop surface for the damper. A stop unit designed in this way can serve as a stop for the damping engagement point and the end position. The stop plunger can be arranged to be longitudinally adjustable within the base body, e.g., extendable or retractable via a spindle.

[0018] In a further advantageous embodiment of the flap fitting, exactly one damper, designed as a linear damper, is movably mounted in or on the damper slide within a predetermined range in the direction of movement of the damper slide. This "floating" mounting of the damper allows it to interact reciprocally with stops for opening and closing damping. A single damper can thus provide both opening and closing damping. For this floating mounting, the damper slide can have a receiving space in which the single damper is arranged. Preferably, the receiving space has at least one end wall with an opening. The end wall of the damper slide then forms an end stop surface that moves against the stop surface of the stop unit.A stop surface of the stop plunger can strike the damper through the opening beforehand, thus initiating damping before the final stop occurs.

[0019] In a further advantageous embodiment, the flap fitting comprises a force storage unit with at least one force storage device, for example, at least one spring. The force storage device is coupled to the lever mechanism of the flap fitting. Preferably, the at least one force storage device acts on a linearly guided force storage slide on which a push rod is pivotably mounted. The force storage device absorbs the force resulting from the torque of the flap and transmits it to the lever mechanism. This allows the flap to be held in a closed and / or (partially) open position.

[0020] Due to the linear guidance of the energy storage slide, particularly along a longitudinal axis of the flap fitting housing, the energy storage unit can be designed with a low vertical height. Unlike, for example, a pivotally mounted energy storage unit, this unit does not contribute to an increased overall height of the flap fitting. To support flaps of varying sizes or weights, the energy storage unit is preferably coupled to the lever mechanism via an adjustment device. This device allows the transmission ratio between the energy storage unit and the lever mechanism to be set.

[0021] The housing height of the flap fitting is advantageously less than 45 mm, and preferably less than 40 mm. A flap fitting with this low profile can be mounted almost invisibly on a slightly recessed top panel of a furniture carcass and reduces the usable interior volume of the furniture carcass only minimally.

[0022] A piece of furniture according to the invention, comprising a furniture body and at least one flap associated therewith, is characterized in that the flap is mounted on at least one such flap fitting. Preferably, the furniture body has a top panel above which the at least one flap fitting is arranged. In particular, the top panel is recessed relative to the side walls of the furniture body. This results in the advantages previously described in connection with the flap fitting.

[0023] The invention is explained in more detail below with reference to an exemplary embodiment and the accompanying figures. The figures show:

[0024] Figure 1a shows a piece of furniture with a hinged flap and two flap fittings in a spatial view;

[0025] Figure 1b shows the furniture from Figure 1a in a cross-section with the flap closed;

[0026] Figure 1c shows the furniture from Figure 1a in cross-section with the flap swung upwards;

[0027] Figures 2a-c each show a spatial representation of a flap fitting of the furniture from Figures 1a-1c in the closed position and in the open position, as well as a partial section in the open position;

[0028] Figure 3a is a spatial exploded view of the flap fitting from the previous figures;

[0029] Figure 3b is an enlarged section of Figure 3a, showing components of a damping unit;

[0030] Figures 4a and 4b are each an enlarged representation of the area of ​​the flap fitting from Figures 2a and 2b;

[0031] Figures 5a-c each show a sectional view of the furniture with a view of the damping unit in different positions of the flap during damping in the closing direction;

[0032] Figures 6a-c each show a sectional view of the furniture with a view of the damping unit in different positions of the flap during damping in the opening direction;

[0033] Figures 7a-c each show a sectional view of the furniture with a view of the damping unit in different positions of the flap in the open position with differently set opening angles;

[0034] Figures 8a-c each show a sectional view of the furniture with a view of the damping unit in different positions of the flap in a partially open position with changed settings of the damping unit; and

[0035] Figure 9 shows two spatial detail views of a stop unit of the damping unit.

[0036] In this description, the terms "left" and "right" refer exclusively to the exemplary representation chosen in the respective figures. The terms "top" and "bottom" refer to the natural installation position of a flap fitting in a piece of furniture, where a flap pivots around a horizontal axis and swings upwards to open. The terms "front" and "back" also refer to this installation position. The front of the furniture is the side facing the user, where the flap is located.

[0037] In all figures, identical reference symbols denote identical or equivalent elements. For clarity, not all elements in some figures are labeled with a reference symbol.

[0038] Figures 1a-1c show a piece of furniture 1 with two flap fittings 10 according to the invention, which guide a flap 8. Figure 1a shows the furniture in a three-dimensional view with the flap 8 closed and from a top-down angle. Figures 1b and 1c show cross-sections through the furniture 1, with the section plane running parallel to a side wall 3 of the furniture body 2. Figure 1b shows the furniture 1 with the flap 8 closed, and Figure 1c shows the furniture 1 with the flap 8 swung upwards.

[0039] The piece of furniture 1 is, for example, a wall cabinet, in particular a kitchen wall cabinet, with a front-opening cabinet body 2, which can be closed by the flap 8 guided by the flap fittings 10. The cabinet body 2 has side panels 3, a bottom panel 4, and a top panel 5. To organize the interior of the cabinet body 2, one or more intermediate shelves 6 can be inserted at different heights in this example. The cabinet body 2 also has a back panel 7.

[0040] The top surface 5 is positioned below the top edge of the side walls 3. The upper surface of the top surface 5 is a few tens of millimeters (mm), specifically between 35 and 55 mm, away from the top edge of the side walls 3. The side walls 3 project beyond the top surface 5 by the height of an overhang 3'. This creates an upwardly open space above the top surface 5, with a height equal to the overhang 3'.

[0041] The top panel 5 can alternatively be positioned below the top edge of an extension, the extension being an extension of the side walls 3 and thus forming the overhang 3'. When using a suitable extension, the construction of the furniture body 2 does not need to be modified to achieve the lowered top panel 5. The flap fitting 10 can then be attached to the extension with or without an additional mounting plate.

[0042] In an alternative furniture design, instead of a single flap 8 guided by the flap fittings 10, several flaps arranged vertically one above the other are provided, each with its own flap fittings. The side walls are single-piece and correspondingly taller. To divide the interior, the entire interior is subdivided into usable storage space and areas for the fittings by several intermediate shelves, whereby the flaps arranged on the furniture can conceal both the storage spaces and the areas for the fittings. An intermediate shelf arranged below the flap fittings is also to be considered a top shelf 5 within the meaning of this patent application.

[0043] In the illustrated piece of furniture 1, the flap fittings 10 are arranged in the space above the top surface 5.

[0044] As shown in Figure 1a, each flap fitting 10 has a housing 11 with which the flap fitting is mounted on the top panel 5 and / or on the corresponding side panel 3. A mounting plate (not shown) may be provided for this purpose. The mounting plate may, if necessary, allow for positional adjustment of the flap fitting 10 relative to the furniture carcass 2. The two flap fittings 10 are advantageously identical in construction, which simplifies manufacturing, storage, and assembly. If the flap fittings 10 are to be mounted on the side panels 3, a corresponding mounting plate may also be designed to be identical in construction so that it can be used on both side panels 3.

[0045] As can be clearly seen in Figure 1b, the flap 8 extends essentially over the entire height of the side walls 3, leaving only gaps of a few millimeters at the top and bottom of the furniture body, as well as on the left and right, to prevent collisions with doors or flaps of other furniture located above, below, or to the side of the illustrated furniture 1. In particular, the flap 8 also closes the opening facing forward towards the user in the space above the top panel 5, in which the flap fittings 10 are located.

[0046] The flap fitting 10 has a lever mechanism 20, which in this case is designed as a 7-joint lever mechanism. The lever mechanism 20 comprises several interconnected links, specifically a support lever 23, a control arm 22, a transmission lever 21, and a transmission rod 24, wherein the control arm 22 and the support lever 23 are each pivotally mounted at one end in a pivot axis 25, 26, indirectly on the housing 11. The corresponding pivot axes 25, 26 are thus fixed to the housing 11. The transmission lever 21 is coupled at one end and in a central region to a free pivot axis 29a-c on the free end of the control arm 22 on the one hand, and in a central region of the support lever 23 on the other (see Figure 4). The interaction of the links of the lever mechanism is described in more detail in connection with Figures 3 to 5c.The flap 8 is guided through the flap fitting 10 via the lever mechanism 20, wherein a mounting element 12 is arranged for fastening the flap 8 to the lever mechanism 20, which projects at least partially into a cup recess 9 of the flap 8.

[0047] As shown in particular in Figure 1c with the flap 8 pivoted upwards, i.e., opened, no part of the lever mechanism 20 extends vertically upwards beyond the housing 11 of the flap fitting 10. Preferably, no part of the mounting unit 12 also extends vertically upwards beyond the housing 11 of the flap fitting 10.

[0048] As shown in Figure 1b with the closed flap 8, none of the links of the lever mechanism 20 collide with the top plate 5 when closed. The same applies to the opening and closing of the flap 8, so that no recess or similar feature is necessary on the top plate 5 for the lever mechanism 20 of the flap fitting 10 shown. Only the mounting unit 12 protrudes minimally in the vertical direction below the housing 11 when the flap 8 is closed. However, this is not a problem, as the mounting unit 12 is always positioned in front of the top plate 5.

[0049] Because no component of the flap fitting 10 projects beyond the overhang 3', another piece of furniture or a finishing cover or a cornice can be arranged above the furniture 1 shown without any element of the flap fitting 10 or the flap 8 itself colliding with it.

[0050] In Figures 2a to 2c, the flap fitting 10 is shown separately from the furniture 1 in three-dimensional oblique views. Figure 2a shows the flap fitting 10 in a position where an attached flap is closed, and Figure 2b in a position where a connected flap is swung upwards. Hereinafter, the position according to Figure 2a will also be referred to as the closed position and the position according to Figure 2b as the open position. Figure 2c also shows the flap fitting 10 in a partially open position. In addition, the flap fitting 10 is shown in partial section to reveal parts of its internal structure.

[0051] Figures 2a-c show that the housing 11 is essentially U-shaped and open at the top. Two U-shaped elements are inserted into the housing 11 from above, extending over the entire or almost the entire length of the housing 11 and, in a sense, completing the housing 11 at the top. The approximately centrally located U-shaped element is a mounting rail 31 for a power storage unit 30, and the U-shaped element located to the side of it is a mounting rail 41 for a damper unit 40.

[0052] The energy storage unit 30 serves to hold the flap 8 in intermediate positions, and in particular in a fully open position, as well as to hold the flap 8 closed. It can also be provided that the energy storage unit 30 closes or opens the flap 8 below a first opening position and / or above a second opening position, possibly against the resistance of the damper unit 40. Whether the energy storage unit 30 has a holding or actively moving function is determined, among other things, by the (adjustable) coupling between the energy storage unit 30 and the lever mechanism 20, and by the geometry and weight or weight distribution of the flap 8. The damper unit 40 slows the movement of the flap 8 as it approaches the closed and / or open end position.

[0053] Figures 2a-c further show the mounting element 12, which in this example comprises a mounting plate 121 and a mounting cup 122. The mounting cup 122 is the part of the mounting element 12 that is recessed in the cup recess 9 of the flap 8. The mounting plate 121 rests on the surface of the flap 8 and has mounting holes for attaching the mounting element 12 to the flap 8 using screws or similar fasteners. Alternatively or additionally, a clamping mechanism can be provided for fastening, which clamps the mounting cup 122 in the cup recess 9. The mounting plate 121 and the mounting cup 122 can, for example, be formed in one piece from a single sheet metal element.

[0054] Figure 2c shows the flap fitting 10 in a partially open position and in a partial section. The partial section removes the wall of the housing 11 and the mounting rail of the damper unit 41 on the side of the damper unit 40, allowing a view of the construction of the damper unit 40 and its connection to the lever mechanism 20. The components of the damper unit 40 are explained below in connection with Figures 3a and 3b.

[0055] Figure 3a shows the flap fitting 10 in a three-dimensional exploded view. In Figure 3a, the components of the energy storage unit 30, the damping unit 40, and the mounting element 12 are grouped by means of dashed lines. Components not included in any of these groups are the housing 11, which is clearly recognizable here as U-shaped, and the links of the lever mechanism 20.

[0056] The energy storage unit 30, in addition to the aforementioned mounting rail 31, includes the actual energy storage element, which in the illustrated example is formed by four springs 33. The springs 33 are compression springs arranged side by side and thus subjected to parallel force. For mounting, each spring 33 is attached to a pin of a spring holder 32 by one of its ends. The other end of the springs 33 acts on an energy storage slide 34, which is slidably guided on the rail 31. The energy storage slide 34 has four cylindrical recesses that accommodate the four springs 33 and prevent them from deflecting outwards under compressive load. The energy storage slide 34 is closed at its front end, so that the front ends of the springs 33 rest against the slide 34.

[0057] The power storage slide 34, guided along the mounting rail 31, executes a linear movement in the longitudinal direction of the housing 11. This linear movement of the slide 34 is transmitted to the lever mechanism 20 via a push rod 35 and an adjusting unit 36. The push rod 35 is pivotally coupled to the power storage slide 34 in order to transmit the linear movement of the power storage slide 34 to a pivoting movement of the adjusting unit 36, which in turn acts on the lever mechanism 20 with an adjustable transmission ratio.

[0058] In the assembly of mounting element 12, in addition to mounting plate 121 and mounting cup 122, a cantilever 123 can also be seen. This cantilever 123, which is either fixed or adjustable to a certain extent in the mounting cup 122, provides the pivot points for the lever mechanism 20 on the mounting element 12. This is explained in more detail in connection with the following figures 4a and 4b as well as 5a to 5c.

[0059] In Figure 3b, the elements assigned to the damper unit 40 from Figure 3a are shown enlarged and further separated from each other.

[0060] The damper unit 40 comprises a damper 43, which is arranged in a damper slide 42 that is slidable relative to the housing 11. The damper slide 42 has a receiving chamber 421 in its upper section, into which the damper 43 is inserted. The receiving chamber 421 has end walls 422 at the front and rear in the direction of movement. Each end wall 422 has an opening 423 through which the damper 43 can be accessed. In the lower part of the receiving chamber 421, grooves 424 are provided on both sides, which serve to guide the damper slide 42 on the mounting rail 41 or the housing 11.

[0061] The mounting rail 41 has a U-shaped structure with a base 411 and two legs forming side walls 412. A lower section of each side wall 412 is bent inwards, thus extending the U-profile of the mounting rail 41 into a C-profile. These bends act as guide webs 413, which engage in the grooves 424 of the damper slide 42 to guide it longitudinally along the mounting rail 41. Furthermore, the rectangular-section receiving chamber 421 is guided within the U-profile of the mounting rail 41.

[0062] The damper slide 42 is moved when the flap 8 moves via a push and pull rod 45, which is pivotally coupled to the damper slide 42 at one end. At its other end, the push and pull rod 45 is coupled to the lever mechanism 20 via a coupling lever 46. A U-shaped reinforcing profile 44 is mounted on a lower part 425 of the damper slide 42 and connected by bolts. The reinforcing profile 44 has an engagement bore 441 approximately in the center, which can be used to connect an optional electric drive unit (not shown here).

[0063] The coupling lever 46 is a single-sided, two-armed lever that is pivotally mounted in a fixed position relative to the housing 11 of the flap fitting 10 via a bearing axis 461 and a pivot axis 26. In the illustrated embodiment, the bearing axis 461 corresponds to the pivot axis 26 (see Figures 4a, b), with which the support lever 23 is mounted. The coupling lever 46 is connected to the push and pull rod 45 via a coupling axis 463. The coupling lever 46 is connected to the transmission lever 21 and the support lever 23 of the lever mechanism 20 via a coupling axis 462. In the illustrated embodiment, this coupling axis 462 corresponds to the free pivot axis 29c.

[0064] The coupling lever 46 is fixed to the movement of the support lever 23 by the connection along the pivot axes 26 and 29c. Alternatively, the coupling lever can be fixed only at the transmission lever 21. In this configuration, the support lever 23 and the transmission lever 21 form a common fixing point via the pivot axis 29. Movement of the lever mechanism 20 when opening or closing the flap 8 causes the coupling lever 46 to pivot and, transmitted via the push and pull rod 45, to a linear displacement of the damping slide 42.

[0065] The movable damper slide 42 is associated with two stop units 47 and 48. Stop unit 47 is fixedly mounted to the housing 11 in the rear area of ​​the flap fitting 10. In this configuration, the stop unit is fixed to the housing 11 via the mounting rail 41. Stop unit 48 is slidably arranged on the housing 11 in a more forward area of ​​the flap fitting 10. In this configuration, stop unit 48 is slidably arranged on the mounting rail 41 on the housing 11. When the flap fitting closes, the damper slide 42 moves towards the rear stop unit 47, whereas when the flap 8 opens, the damper slide 42 moves towards the front stop unit 48. Stop unit 47 serves to dampen the closing movement, and stop 48 serves to dampen the opening movement.

[0066] The damper 43 is actuated upon approach to the stop unit 47 or 48 by stop plungers 472 or 482, respectively. The stop plungers 472 or 482 protrude from a respective base body 471 or 481 of the corresponding stop unit 47, 48. In the illustrated embodiment, both stop units 47, 48 have adjustable, extendable stop plungers 472 or 482, which can be adjusted by means of an adjusting device. The adjusting device may include adjusting rings 473 or 483, with the adjustment of the stop plungers 472, 482 being effected via the adjusting rings 473, 483. It is also possible for only one or neither stop unit 47, 48 to have an adjusting device. Details of the construction of the stop units 47, 48 are explained in more detail in connection with Figure 9.

[0067] Figures 4a and 4b show the upper section of the furniture body 1 from Figures 1b and 1c enlarged for the closed position in Figure 4a and for the open position in Figure 4b. In these two figures, the levers of the 7-joint lever mechanism 20 and their joint axes are indicated.

[0068] In this embodiment, the lever mechanism 20 comprises four elements: a transmission lever 21, a control arm 22, a support lever 23, and a transmission rod 24. The transmission lever 21 is pivotally guided on the control arm 22 and the support lever 23 on the housing 11 and preferably on the mounting rail 31, with the control arm 22 and the support lever 23 each being pivotably mounted at one end on a pivot axis 25, 26, indirectly on the housing 11. The corresponding pivot axes 25, 26 are thus fixed relative to the housing 11. The transmission lever 21 is coupled at one end and in a central region to a free pivot axis 29 on the free end of the control arm 22 on the one hand and in a central region of the support lever 23 on the other. The transmission lever 21 and the support lever 23 intersect accordingly.

[0069] The second free end of the transmission lever 21 projects forward beyond the housing 11 into the mounting cup 122. Within the area of ​​the mounting cup 122, the transmission lever 21 is pivotally connected to the boom 123 via a first articulation axis 27, which is fixed to the mounting element 12. The weight of the flap 8 is transmitted from this first articulation axis 27 via the transmission lever 21 and the support lever 23 or the control arm 22 to the articulation axes 25, 26 and thus to the housing 11. The first articulation axis 27 moves along a trajectory of motion that is determined by the geometry and arrangement of the transmission lever 21, the control arm 22, and the support lever 23.

[0070] The free end of the support lever 23 is pivotally attached to the boom 123 via a transmission rod 24, with a second pivot axis 28 that is also fixed to the mounting element 12. This transmission rod 24 transmits a pivoting movement of the flap 8 about the first pivot axis 27 to the support lever 23 and thus also to the transmission lever 21. As a result, pivoting the flap 8 causes the transmission lever 21 to extend from the housing 11, resulting in a coupled pivoting and sliding movement of the flap 8.

[0071] In this embodiment, the arm 123 on the mounting element 12 accommodates both articulation axes 27 and 28. The arm 123, which is formed by the mounting element 12, can consist of several parts, so that the articulation axes 27 and 28 can be held on different parts of the mounting element 12. It is essential that the articulation axes 27 and 28 move together at the same distance relative to the front panel, provided that a front panel adjustment is provided on the mounting element 12.

[0072] Figures 5a-c, 6a-c, 7a-c and 8a-c each show the furniture 1 in its upper area with the flap fitting 10, similar to figures 4a, b, but the flap fitting 10 is partially cut away and shown with a view of the damping unit 40.

[0073] Figures 5a-c illustrate the closing damping, figures 6a-c the opening damping, figures 7a-c the setting of the maximum opening angle, and figures 8a-c the setting of the damper stroke. When the damper slide 42 is moved towards one of the stop units 47, 48, the respective stop plunger 472 or 482 penetrates the opening 423 of the end wall 422 of the damper slide 422 that corresponds to the respective stop unit 47, 48. The respective stop plunger 472 or 482 then enters the receiving space 421 and compresses the damper 43, which is floatingly mounted within the receiving space 421.

[0074] When the flap 8 closes (see Figs. 5a-c), the damping slide 42 moves, for example, backwards along the mounting rail 41 (see Fig. 5a), causing the plunger 472 to enter the receiving chamber 421 and contact the actuating surface 433 on the cylinder 431 (see Fig. 5b). The opposite actuating surface 433 on the piston rod 432 rests against the inner end wall 422. The compression of the damper 43 dampens the approach movement of the flap 8 to the closed position (see Fig. 5c).

[0075] When the flap 8 is opened (see Fig. 6a-c), conversely, as it approaches the open position (see Fig. 6a), the stop plunger 482 penetrates into the receiving chamber 421 until it rests against the actuating surface 433 of the piston rod 432 (see Fig. 6b), whereas the cylinder 431, with its actuating surface 433, rests against the opposite inner side of the end wall 422 of the receiving chamber 421. Here, too, the damper 43 is compressed and the movement of the flap into the open end position is dampened (see Fig. 6c).

[0076] In addition to damping through the interaction of the damper 43 with the damper slide 42 on one side and one of the stop plungers 472 or 482 on the other, an end stop of the movement of the lever mechanism 20 is also achieved via the movable damper slide 42. This aspect is particularly relevant for stopping the opening movement.

[0077] During the opening movement, at a maximum opening angle, the front end wall 422 of the receiving chamber 421 rests against the base body 481 of the stop unit 48 (see Fig. 7a-c).

[0078] The aforementioned adjustability of the stop unit 48 allows for the adjustment of the maximum opening angle for the flap fitting 10 or the attached flap 8. In the illustrated embodiment, the stop unit 48 can be adjusted by means of an adjusting device 49. This device comprises two coupled adjusting levers 491, 492, which are pivotally connected to each other at a common pivot point. The other end of each lever is pivotally mounted to the adjusting block 48 and fixedly mounted to the housing 11 of the flap fitting 10 by means of a bearing axis.

[0079] An adjustment block 493 is also attached to the housing 11. A threaded bore is formed in the adjustment block 493, through which an adjusting screw 494 passes. In this configuration, the adjusting screw 494 serves as a stop for the adjusting lever 492. When the adjusting screw 494 is turned in the direction of the adjusting lever 492, it presses against the adjusting lever 492, thereby changing its angle relative to the housing 11. This allows the stop unit 48 to be moved along the mounting rail 41 via the adjusting lever 491.

[0080] This movement of the stop unit 48 shifts, firstly, the end stop for the end wall 422 and thus the maximum opening angle of the flap fitting 10, and secondly, also the point of engagement for the opening damper, since the stop plunger 482 also moves along with the stop unit 48. This effect is further illustrated in Figures 7a to c. When the adjusting screw 494 is turned away from the adjusting lever 492, a gap is created between the adjusting screw 494 and the adjusting lever 492. During an opening movement of the flap 8, the damper 43 presses against the stop plunger 482 and thereby moves the stop unit 48 until the adjusting lever 492 rests against the adjusting screw 494.

[0081] Figures 8a-c show the damper stroke setting. With the same maximum opening angle setting in Figures 8a and 8b, the damper 43 is actuated at a smaller opening angle when set according to Figure 8a. Damping thus occurs over a large damping angle range. With further opening, the maximum opening angle shown in Figure 7c is reached.

[0082] In the second setting variant according to Figure 8b, the stop surface for the damper 43 in the stop unit 48 is shifted by means of the adjusting ring 483, so that the damper 43 is actuated later, i.e. closer to the maximum opening angle, and thus the damper stroke and the damping angle range are smaller.

[0083] Figure 8c shows the flap 8 with the settings of the stop unit 48 according to Figure 8b at its maximum opening angle. The maximum opening angle corresponds exactly to that shown in Figure 7c. However, unlike Figure 7c, the damper is only retracted approximately halfway.

[0084] This design therefore ensures that the damping of the opening movement does not begin at a fixed opening angle, but at an opening angle that increases when a larger maximum opening angle is set and decreases when a smaller maximum opening angle is set.

[0085] Figure 9 shows the stop unit 48, which allows adjustment of the damper travel during opening damping, in more detail. The stop unit 47 for closing damping can be constructed identically, even though a guide movement along the mounting rail 41 is not required.

[0086] In the left part of Figure 9, the stop unit 48 is shown in three dimensions, and in the right part of Figure 9, it is shown in three dimensions with the base body 481 in longitudinal section. The figures show that the adjusting ring 483 is rotatably mounted in the base body 481 and that the stop plunger 482 passes through the adjusting ring 483. The stop plunger 482 has a substantially rectangular cross-section with rounded transverse faces that are threaded. This thread engages with an internal thread formed in the adjusting ring 483. The profile of the stop plunger 482 is reflected in a recess inside the base body 481, so that the stop plunger 482 can be inserted into or removed from this base body 481 by rotating the adjusting ring 483.

[0087] Furthermore, the illustrations in Figure 9 show that the base body 481 has a front end face 484, which acts as an end stop surface against which the damper slide 42 moves with its end wall 422 when in its maximum open position. A further stop surface, against which the damper 43 moves with one of its actuating surfaces 433, is formed by the end face of the stop plunger 482. During the opening movement, the actuating surface 433 of the damper 43 first comes to rest against the stop surface, and then the slide 42 comes to rest against the end stop surface.

[0088] The figure further shows that, analogous to the groove 424 in the damper slide 42, grooves 485 are formed laterally in the base body 481, which serve for guidance along the mounting rail 41. Finally, an actuating lever receptacle 486 for the actuating lever 491 is formed at the end opposite the stop plunger 482. The actuating lever 491 is mounted in this receptacle by means of a bolt inserted through it. In the case of the stop unit 47, a corresponding bolt serves for attachment to the mounting rail 41 or to the housing 11.

[0089] Reference symbol list

[0090] 1 piece of furniture

[0091] 2 furniture carcasses

[0092] 3 side wall

[0093] 3' overhang

[0094] 4 Underbody

[0095] 5 Topsoil

[0096] 6 intermediate floors

[0097] 7 Back panel

[0098] 8 flap

[0099] 9 pot recess

[0100] 10 flap fittings

[0101] 11 cases

[0102] 12 Mounting element

[0103] 121 Mounting plate

[0104] 122 Mounting pot

[0105] 123 outriggers

[0106] 20 lever mechanism

[0107] 21 transmission levers

[0108] 22 Control arm

[0109] 23 support levers

[0110] 24 transmission rod

[0111] 25, 26 Joint axle (fixed to the housing)

[0112] 27 First joint axis (fixed to the mounting element)

[0113] 28 second joint axis (fixed to the mounting element)

[0114] 29 Articulated axle (not stationary)

[0115] 30 power storage units

[0116] 31 Mounting rail (of the power storage unit)

[0117] 32 spring holders

[0118] 33 spring

[0119] 34 power storage sleds

[0120] 35 Push rod

[0121] 36 Adjustment unit (of the power storage unit)

[0122] 40 damper unit

[0123] 41 Mounting rail (of the damper unit)

[0124] 411 Base 412 Side panel

[0125] 413 Guide bridge

[0126] 42 damper slides

[0127] 421 Recording Room

[0128] 422 Front wall

[0129] 423 Opening

[0130] 424 Nut

[0131] 425 lower part (of the damper slide)

[0132] 43 dampers

[0133] 431 cylinders

[0134] 432 Piston rod

[0135] 433 Operating area

[0136] 44 Reinforcement profile

[0137] 441 Intervention hole

[0138] 45 Push and pull rod

[0139] 46 coupling levers

[0140] 461 Bearing axle

[0141] 462 Coupling axle (to the lever mechanism)

[0142] 463 Coupling axle (for push and pull rod)

[0143] 47 Stop unit (for closing damping)

[0144] 471 Basic body

[0145] 472 stop plungers

[0146] 473 Locking ring

[0147] 48 Stop unit (for opening damping)

[0148] 481 Basic body

[0149] 482 stop plungers

[0150] 483 Locking ring

[0151] 484 Front surface

[0152] 485 Nut

[0153] 486 Actuating lever mount

[0154] 49 Adjustment device (for the maximum opening angle)

[0155] 491, 492 Adjusting lever 493 Adjustment block

[0156] 494 Adjusting screw

Claims

23 Claims 1. Flap fitting (10) with a housing (11) for attachment to a furniture body (2) and with a mounting element (12) for attaching a flap (8) associated with the furniture body (2), wherein the housing (11) and the mounting element (12) are connected to each other via a lever mechanism (20) and are movably guided relative to each other, comprising a damper unit (40) arranged in the housing (11) with at least one damper (43) which serves to dampen the opening and / or closing of the mounting element (12) relative to the housing (11), characterized in that the at least one damper (43) is arranged in or on a linearly movable damper slide (42) coupled to the lever mechanism (20), and that at least one stop unit (47, 48) with at least one stop surface is provided.which, when approaching the opening and / or closing position, interacts directly with the damper slide (42) or indirectly via the damper (43) with the damper slide (42) in a sliding position or in a sliding position range of the damper slide (42), wherein the sliding position and / or the sliding position range is adjustable.

2. Flap fitting (10) according to claim 1, wherein the damper slide (42) is coupled directly or indirectly to the lever mechanism (20) via a push and pull rod (45).

3. Flap fitting (10) according to claim 1 or 2, wherein the at least one stop unit (47, 48) has a stop surface on which the at least one damper (43) strikes via an actuating surface (433).

4. Flap fitting (10) according to one of the preceding claims, wherein the at least one stop unit (47, 48) has a stop surface on which the damper slide (42) abuts with an end stop surface.

5. Flap fitting (10) according to claims 3 and 4, wherein the actuating surface (433) and the end stop surface perform a relative movement to each other during a damping process in an opening or closing direction.

6. Flap fitting (10) according to claim 4 or 5, wherein the damper slide (42) has a receiving space (421) for the damper (43) which has at least one end wall (422) which includes the end stop surface.

7. Flap fitting (10) according to one of claims 1 to 6, wherein the at least one stop unit (47, 48) is itself displaceable in the displacement direction of the damper slide (42).

8. Flap fitting (10) according to one of claims 1 to 7, comprising two stop units (47, 48), wherein one of the two stop units (47, 48) is arranged in front of or behind the damper slide (42) in the direction of movement of the damper slide (42).

9. Flap fitting (10) according to one of claims 3 to 8, wherein the at least one stop unit (47, 48) has a stop plunger (472, 482), wherein an end face of the stop plunger (472, 482) forms the stop surface for the actuating surface (433).

10. Flap fitting (10) according to claim 9, in which at least one of the stop plungers (472, 482) is arranged to be longitudinally adjustable in the respective base body (471 , 481 ).

11. Flap fitting (10) according to one of claims 1 to 10, wherein the at least one damper (43) is a linear damper with a cylinder (431) and a piston rod (432), wherein the piston rod (432) of the damper (43) is automatically extendable relative to the cylinder (431) by means of a spring.

12. Flap fitting (10) according to claim 11, in which the cylinder (431) and the piston rod (423) of the damper (43) are movably mounted in or on the damper slide (42) in a predetermined area in the direction of movement of the damper slide (42).

13. Flap fitting (10) according to claims 6 and 12, wherein the at least one end wall (422) of the receiving space (421) is provided with an opening (423), wherein the stop plunger (472, 482) can strike the damper (43) through the opening (423).

14. Flap fitting (10) according to claim 3 and 11, wherein an actuating surface (433) is arranged on the cylinder (431) and on the piston rod (432).

15. Flap fitting (10) according to claim 11 or 14, wherein the piston rod (432) performs a relative movement to the damper slide (42) during a damping process in an opening or closing direction and the cylinder (431) performs a relative movement to the damper slide (42) in the opposite direction during a damping process.

16. Flap fitting (10) according to one of claims 1 to 15, comprising a power storage unit (30) with at least one power storage unit (33) which is coupled to the lever mechanism (20) via a push rod (35).

17. Flap fitting (10) according to claim 16, in which the at least one power storage device (33) acts on a linearly guided power storage slide (34) on which the push rod (35) is pivotably mounted.

18. Flap fitting (10) according to one of claims 1 to 17, having a housing height (11) of less than 45 mm and preferably of less than 40 mm.

19. Furniture (1 ) comprising a furniture body (2) and at least one flap (8) associated thereto, which is mounted on at least one flap fitting (10) according to one of claims 1 to 18.

20. Furniture (1 ) according to claim 19, comprising a top surface (5) above which the at least one flap fitting (10) is arranged.

Images