Assemblies with at least one folding or sliding folding door

Abstract

An assembly (1) comprising at least one folding door or folding sliding door (102) including at least two doors (102a, 102b) pivotally connected to one another, the assembly comprising at least one ejector (2) arranged on a first door (102a) of the two doors (102a, 102b) for at least partially moving the at least one folding door or folding sliding door (102) from an open position where the doors are folded together to a closed position where the at least two doors (102a, 102b) are arranged in a common closing plane; and at least one retaining element (3) arranged on a second door (102b) of the at least one folding door or folding sliding door (102), the ejecting device (2) having at least one ejecting element (4) engageable with the retaining element (3) in an open position to hold the at least one folding door or folding sliding door (102) in the open position, the at least one ejecting element (4) configured to apply a force to the retaining element (3) to move the second door (102b) from the open position to a closed position.

Description

[Technical Field]

[0001] The present invention relates to an assembly with at least one folding or sliding door comprising at least two doors pivotally connected to one another, wherein at least one ejection device arranged on a first door and at least one retaining element arranged on a second door are provided for at least partially transferring the at least one folding or sliding door from an open position in which the at least two doors are folded together to a closed position in which the at least two doors are arranged in a common closing plane, the ejection device having at least one ejection element.Furthermore, the present invention also relates to a piece of furniture comprising a fixed furniture part and at least one such assembly.

[0002] The prior art already knows assemblies for moving folding or sliding doors from an open position to a closed position, but the drawback of these known assemblies is that the folding or sliding door can be accidentally moved towards the closed position by a user.

[0003] The object of the present invention is to provide an assembly which is improved over the prior art, and a piece of furniture comprising at least one such assembly.

[0004] This problem is solved by the features of claims 1 and 25.

[0005] Therefore, according to the present invention, it is specified that the at least one eject element is engageable with the retaining element in the open position to hold the at least one folding door or folding sliding door in the open position, and the at least one eject element is configured to apply a force to the retaining element to move the second door from the open position to the closed position.

[0006] Thus, the folding door or folding sliding door is held in the open position via the ejection device and the holding element, thereby preventing unintentional movement. When the folding door or folding sliding door is to be closed, a force can be applied to the holding element via the ejection device, thereby assisting the closing process.

[0007] In this case, the eject element has a dual function: on the one hand, the folding door or the folding sliding door can be held in the open position via the eject element, and on the other hand, the folding door or the folding sliding door can be moved towards the closed position via the eject element.

[0008] For furniture with such an assembly, it is specified that at least one folding or sliding folding door is supported on at least one fixed furniture part.

[0009] Further advantageous embodiments of the invention are defined in the dependent claims.

[0010] It may be specified that the at least one eject element has an engagement opening, and the locking pin of the holding element is engageable with the engagement opening.

[0011] This is one simple possibility for forming the engagement between the retaining element and the ejecting element.

[0012] Preferably, it may be specified that the at least one ejection device comprises at least one locking device for releasably locking the holding element to the at least one ejection element.

[0013] Via the locking device it can be ensured that the engagement between the holding element and the ejection element cannot be released unintentionally.

[0014] Preferably, at least one locking device may be specified to be unlockable by applying a pressure to the folding door or folding sliding door in the installed state of the ejection device, preferably in the area where the holding element is arranged.

[0015] This is one simple and intuitive possibility for unlocking the locking device.

[0016] In this case, it may be particularly advantageously specified that the folding door or folding sliding door is pushed together beyond the open position when unlocked by applying a pressure.

[0017] This also increases the safety against unintentional release of the locking device.

[0018] According to a further embodiment, it may be specified that the locking device has at least one control cam, preferably a heart-shaped control cam, and is provided with at least one control pin arranged or formed on at least one ejection element, which control pin is guided in the control cam.

[0019] Via the control cam and the control pin, the ejection element can be guided in a simple manner so that it can engage with the holding element and also exert a force on the holding element.

[0020] Preferably, the eject element can be loaded by at least one force accumulator that can be manually charged by the user, and it may be specified that the force accumulator preferably includes at least one torsion coil spring.

[0021] Thus, a user can store force in the energy accumulator when opening the folding door or the folding sliding door, and when closing the folding door or the folding sliding door, the force stored in the energy accumulator can be used to apply force to the holding element and thereby assist the closing process of the folding door or the folding sliding door.

[0022] According to a further embodiment, the at least one ejection element can be locked against the load of the at least one stored energy accumulator via a locking device.

[0023] This is one simple possibility to keep the power stored in the energy accumulator available until the aforementioned power is to be utilized.

[0024] It may be advantageously specified that the ejection device comprises at least one, preferably two, support elements.

[0025] It may be particularly preferred that the at least one eject element is pivotably supported on the at least one support element.

[0026] Furthermore, it may be specified that the support element has at least one mounting section for mounting the at least one support element to a door.

[0027] The support element is a simple structural means for pivotally arranging the eject element on the door.

[0028] According to an embodiment, it may be specified that the control cam is formed on at least one support element.

[0029] Therefore, the control cam can be realized in a space-saving manner with little manufacturing effort.

[0030] Advantageously, the ejection device may comprise at least one limiting device for limiting the rotational movement of at least one ejection element.

[0031] Such a limiting device ensures that the ejection element can only move within an allowed range, thereby preventing unintentional movement of the folding door or folding sliding door from the open position to the closed position.

[0032] It may be specified that the limiting device has at least one limiting cam, and that a limiting pin arranged or formed on the at least one ejection element is guided in the limiting cam.

[0033] This is one simple possibility for realizing a limiting device.

[0034] If the limiting cam is formed on at least one support element, the limiting device can be realized in a space-saving manner.

[0035] Preferably, at least one energy accumulator may be specified to act between at least one support element and at least one eject element.

[0036] The at least one energy accumulator can thereby be integrated into the ejection device in a space-saving manner.

[0037] Advantageously, at least two eject elements may be provided, the at least two eject elements being supported so as to be pivotable about a common axis.

[0038] This increases the stability and failure resistance of the ejection device.

[0039] Preferably, the at least one eject element may be specified to include a pivot element and an engagement element.

[0040] It may be particularly preferred that the control pin and / or the limiting pin are arranged on or formed on the pivoting element and / or that the pivoting element has a receiving portion for at least partially receiving the energy accumulator.

[0041] It may further be specified that the engagement element has an engagement opening.

[0042] The retaining element thus engages with one part of the ejection element (the engaging element). However, a force is applied to the retaining element via the other part of the ejection element (the pivoting element). This structural separation allows each part to be better adapted to its respective function.

[0043] Furthermore, it may be specified that the ejection device comprises at least one overload protection means.

[0044] Via the overload protection means it can be ensured that the ejection device is not damaged if, for example, a user tries to close the folding door or folding sliding door improperly.

[0045] According to an embodiment, it may be specified that the pivoting element and the engaging element are part of an overload protection means, the engaging element having a control contour that can be applied via a second energy accumulator.

[0046] In this case, it may further be specified that the engaging element is pivotable relative to the pivoting element against the application of a force by the second force accumulator when a predetermined force is reached.

[0047] This is one simple possibility for realizing the overload protection means.

[0048] Preferably, in this case it may be specified that the second energy accumulator is supported on or in the pivoting element.

[0049] This allows the space required for the overload protection means to be reduced.

[0050] Further details and advantages of the invention are explained in more detail below with reference to the drawings based on the description of the drawings. [Brief explanation of the drawings]

[0051] [Figure 1a] 1 is a schematic perspective view of the furniture in a closed position; FIG. [Figure 1b] FIG. 1 is a schematic perspective view of a piece of furniture in an open position. [Figure 2a] 10A to 10C are schematic plan views showing the process of opening the furniture. [Figure 2b] 10A to 10C are schematic plan views showing the process of opening the furniture. [Figure 2c] 10A to 10C are schematic plan views showing the process of opening the furniture. [Figure 3a] FIG. 2 is a schematic perspective view showing an ejection device and a holding element; [Figure 3b] FIG. 2 is a schematic side view showing an ejection device and a holding element. [Figure 4] FIG. 2 is a schematic exploded view showing the ejection device and the holding element. [Figure 5a] 3b shows the cross section AA in one position of the folding door or folding sliding door. [Figure 5b]3b shows the cross section AA in one position of the folding door or folding sliding door. [Figure 5c] 3b shows the cross section AA in one position of the folding door or folding sliding door. [Figure 5d] 3b shows the cross section AA in one position of the folding door or folding sliding door. [Figure 5e] 3b shows the cross section AA in one position of the folding door or folding sliding door. [Figure 5f] 3b shows the cross section AA in one position of the folding door or folding sliding door. [Figure 5g] 3b shows the cross section AA in one position of the folding door or folding sliding door. [Figure 5h] 3b shows the cross section AA in one position of the folding door or folding sliding door. [Figure 5i] 3b shows the cross section AA in one position of the folding door or folding sliding door. [Figure 5j] 3b shows the cross section AA in one position of the folding door or folding sliding door. [Figure 5k] 3b shows the cross section AA in one position of the folding door or folding sliding door. [Figure 6a] 3b shows cross section BB in one position of the folding door or folding sliding door. [Figure 6b] 3b shows cross section BB in one position of the folding door or folding sliding door. [Figure 6c] 3b shows cross section BB in one position of the folding door or folding sliding door. [Figure 6d] 3b shows cross section BB in one position of the folding door or folding sliding door. [Figure 6e] 3b shows cross section BB in one position of the folding door or folding sliding door. [Figure 6f] 3b shows cross section BB in one position of the folding door or folding sliding door. [Figure 6g] 3b shows cross section BB in one position of the folding door or folding sliding door. [Figure 6h] 3b shows cross section BB in one position of the folding door or folding sliding door. [Figure 6i] 3b shows cross section BB in one position of the folding door or folding sliding door. [Figure 6j] 3b shows cross section BB in one position of the folding door or folding sliding door. [Figure 6k] 3b shows cross section BB in one position of the folding door or folding sliding door. [Figure 7a] 3b shows cross section CC in one position of the folding door or folding sliding door. [Figure 7b] 3b shows cross section CC in one position of the folding door or folding sliding door. [Figure 7c] 3b shows cross section CC in one position of the folding door or folding sliding door. [Figure 7d] 3b shows cross section CC in one position of the folding door or folding sliding door. [Figure 7e] 3b shows cross section CC in one position of the folding door or folding sliding door. [Figure 7f] 3b shows cross section CC in one position of the folding door or folding sliding door. [Figure 7g] 3b shows cross section CC in one position of the folding door or folding sliding door. [Figure 7h] 3b shows cross section CC in one position of the folding door or folding sliding door. [Figure 7i] 3b shows cross section CC in one position of the folding door or folding sliding door. [Figure 7j] 3b shows cross section CC in one position of the folding door or folding sliding door. [Figure 7k] 3b shows cross section CC in one position of the folding door or folding sliding door. [Figure 8a] FIG. [Figure 8b] FIG. 2 is a schematic perspective view showing an eject element. [Figure 8c] FIG. 10 is a schematic perspective view showing the eject element in overload.

[0052] Figure 1a shows a schematic perspective view of a piece of furniture 100 in a closed position, while figure 1b shows the piece of furniture 100 in an open position. It can be seen that the furniture 100 comprises a fixed furniture part 101, here in the form of a furniture cabinet, on which a folding sliding door 102 is supported.

[0053] The folding sliding door 102 comprises two doors 102a, 102b pivotally connected to one another. The first door 102a is in this case pivotally connected to a fixed furniture part 101, whereas the second door 102b is slidably supported on a guide rail 103.

[0054] The folding sliding door 102 can be moved from a closed position (FIG. 1a) to an open position (FIG. 1b), whereby the interior of the fixed furniture part 101 is accessible.

[0055] 2a to 2c show in schematic plan views the opening process of the furniture 100, or in reverse order the closing process.

[0056] In the closed position (FIG. 2a), the doors 102a, 102b lie substantially in one common closing plane. The guide rails 103 are not shown for clarity of the drawing.

[0057] The first door 102a is provided with an ejection device 2, and the second door 102b is provided with a holding element 3. When the folding sliding door 102 is opened, the two doors 102a, 102b move towards each other until they are placed in the folded position.

[0058] In this case, the holding element 3 engages with the eject element 4 of the ejection device 2, whereby the folding sliding door 102 is held in the open position. To close the folding sliding door 102, the second door 102b can be pushed in the direction of the first door 102a in the area of ​​the holding element 3, thereby releasing the engagement between the holding element 3 and the eject element 4. Further force is applied to the holding element 3 via the eject element 4, whereby the folding sliding door 102 is moved at least partially to the closed position.

[0059] FIG. 3a shows the ejection device 2 and the holding element 3 in a schematic perspective view, and FIG. 3b shows the ejection device 2 and the holding element 3 in a schematic side view.

[0060] The ejection device 2 in this case includes two support devices 7, each of which supports one ejection element 4 so that it can be pivoted. It can also be seen that the ejection elements 4 are formed in two parts, with each engagement element 4b having an engagement opening 4c into which the locking pin 3a of the holding element can engage. The individual elements of the ejection device are described in more detail in FIG. 4.

[0061] 4 shows a schematic exploded view of the ejection device 2 and the holding element 3. As already mentioned, the ejection element 4 is pivotally supported on the support element 7. For this purpose, a pin 10 is provided, on which both ejection elements 4 are arranged. In this case, the pin 10 is supported in a recess 7b. The support element 7 further has a mounting section 7a, via which the support element 7 can be attached to the door 102a. In this embodiment, the support section 7a has openings for receiving screws. However, in principle, several attachment means are conceivable.

[0062] The ejection element 4 consists of a pivoting element 4a and an engaging element 4b. The pivoting element 4a and the engaging element 4b are normally connected in a motion-transmitting manner via a second force accumulator 9b, which is arranged in an opening 4f in the pivoting element 4a and applies a force to a control contour 9a of the engaging element 4b. However, in the event of an overload, the engaging element 4b can be displaced relative to the pivoting element 4a. This is explained in more detail in FIGS. 8a to 8c. In this example, the second force accumulator 9b is configured as a spring-loaded ball pressure element.

[0063] A force accumulator 6 is also arranged in the recess 7b. In this case, the force accumulator 6 is configured in the form of a torsion coil spring wound around a pin 10. One leg of the force accumulator 6 is supported in the recess 7b, and the second leg is located in a recess in the pivoting element 4a. When the pivoting element 4a is moved accordingly relative to the support element 7, force can be stored in the force accumulator 6.

[0064] It can also be seen that the support element 7 is provided with a control cam 5a and a limiting cam 8a. Guided in the limiting cam 8a is a limiting pin 8b, which is supported in a guide hole 4d in the pivoting element 4a. Guided in the control cam 5a is a control pin 5b, which is supported slidably in a guide groove 4e of the pivoting element 4a.

[0065] Between the support devices 7, spacer members 11 are provided to space the support devices 7 apart from one another at predefined intervals.

[0066] The function of the ejection device 2 during the opening or closing process of the folding sliding door 102 will be explained with reference to Figures 5a to 5k, 6a to 6k and 7a to 7k. Figures 5a to 5k respectively show cross sections AA, 6a to 6k respectively show cross sections BB and 7a to 7k respectively show cross sections CC of Figure 3b at the corresponding steps. In this case, the same alphabetical abbreviations indicate the same steps.

[0067] 5a, 6a and 7a, it can be seen that the folding sliding door 102 is not yet fully opened. The locking pin 3a of the holding element 3 is not in contact with the ejection device 2. The ejection element 4 is pushed towards the holding element 3 by the force accumulator 6. The limiting pin 8a is located at the left outermost end of the limiting cam 8b, thereby preventing further movement of the ejection element 4 towards the holding element 3.

[0068] In the next step (Figs. 5b, 6b, 7b), the locking pin 3a comes into contact with the pivoting element 4a, which is then pivoted against the force of the energy accumulator 6. In the process, the control pin 5b and the limiting pin 8b run in their respective guide cams 5a, 8a (Figs. 5c, 6c, 7c). The control cam 5a is configured as a heart cam.

[0069] Subsequently, the eject element 4 is further pivoted, whereby the locking pin 3a engages with the engagement opening 4c of the engagement element 4b (FIGS. 5d, 6d, 7d).

[0070] The eject element 4 is pivoted further towards the first door 102a, causing the control pin 5a to ride over an upper ridge on the control cam 5b (FIGS. 5e, 6e, 7e).

[0071] Finally, the eject element 4 reaches a second end position, where the limiting pin 8b and the limiting cam 8a prevent further movement of the eject element 4 (FIGS. 5f, 6f, 7f). The limiting pin 8b and the limiting cam 8a thus form a limiting device 8.

[0072] As soon as the user stops applying pressure to the door 102b and thus to the holding element 3, the eject element 4 is pushed again via the force accumulator 6 in the direction of the second door 102b until the control pin 5b is locked at the locking point of the control cam 5a (Figs. 5g, 6g, 7g). The folding sliding door 102 is in the open position. With the locking pin 3a engaging in the engagement opening 4c, the folding sliding door 102 is held in the open position by the ejection device 2 and the holding element 3. The control cam 5a and the control pin 5b therefore form the locking device 5, by means of which the engagement between the locking pin 3a and the ejection element 4 can be locked.

[0073] To close the folding sliding door 102, the second door 102b, and thus the holding element 3, is pushed towards the first door 102a. This causes the ejection element 4 to pivot again. The control pin 5b is guided downwards along the control cam 5a so that it moves out of the locking position (FIGS. 5h, 6h, 7h). Thus, when the folding sliding door 102 is unlocked by applying pressure to the second door 102b, it is pushed together beyond the open position. At this time, the energy accumulator 6 also stores additional energy.

[0074] Via the force accumulator 6, the eject element 4 is moved in the direction of the second door 102b (Figures 5i, 6i, 7i) until the locking pin 3a is released from the eject element 4 (Figures 5j, 6j, 7j) and is pushed out by the force stored in the force accumulator 6 (Figures 5k, 6k, 7k). The eject element 4 is then prevented from further movement by the limiting pin 8b and the limiting cam 8a. The application of force by the eject element 4 moves the holding element 3 and thus the second door 102b, so that the folding sliding door 102 is at least partially moved into the closed position.

[0075] 8a shows an exploded view of the eject element 4, FIG. 8b shows a schematic perspective view of the eject element 4, and FIG. 8c shows a schematic perspective view of the eject element 4 when overloaded.

[0076] It can further be seen that the pivoting element 4a has a control contour 9a. A second force accumulator 9b in the form of a spring-loaded ball pressure element is arranged in an opening 4f in the pivoting element 4a and exerts a force on the control contour 9a, whereby the ball of the ball pressure element is pressed against the control contour 9a, thereby forming a kinematic connection between the pivoting element 4a and the engagement element 4b.

[0077] In the event of an overload, for example if a user pulls on the second door 102b while the folding sliding door 102 is locked in the open position, the second energy accumulator 9b is compressed via the control contour 9a. The engaging element 4b is therefore caused to pivot relative to the locked pivot element 4a via the control pin 5b and the control cam 5a, which releases the locking pin 3a. The control contour 9a and the energy accumulator 9b therefore form the overload protection means 9.

[0078] This prevents the ejection device 2 from being damaged in the event of an overload. [Explanation of symbols]

[0079] 1 Assembly 2 Ejector 3 Retaining Elements 3a Locking pin 4 Eject element 4a Swivel element 4b Engagement element 4c Engagement opening 4d Guide hole 4e Guide groove 4f opening 5 Locking device 5a Control Cam 5b control pin 6 Energy storage device 7 Supporting elements 7a Installation section 7b Recess 8. Restriction Devices 8a Restriction Cam 8b Restriction pin 9 Overload prevention means 9a Control Cam 9b Second Energy Storage Container 10-pin 11 Spacer member 100 Furniture 101 Furniture Cabinet 102 Folding door or folding sliding door 102a First Door 102b Second Door 103 Guide Rail A axis

Claims

1. 1. An assembly (1) comprising at least one folding or sliding door (102) including at least two doors (102a, 102b) pivotally connected to one another, wherein at least one ejection device (2) arranged on a first door (102a) of the two doors (102a, 102b) and at least one holding element (3) arranged on a second door (102b) of the two doors (102a, 102b) are provided for at least partially moving the at least one folding or sliding door (102) from an open position in which the at least two doors (102a, 102b) are folded together to a closed position in which the at least two doors (102a, 102b) are arranged in a common closing plane, the ejection device (2) having at least one ejection element (4), 1. The assembly (1), wherein the at least one eject element (4) is engageable with the retaining element (3) in the open position to hold the at least one folding or sliding door (102) in the open position, and the at least one eject element (4) is configured to apply a force to the retaining element (3) to move the second door (102b) from the open position to the closed position.

2. 2. The assembly according to claim 1, wherein the at least one eject element (4) has an engagement opening (4c), and a locking pin (3a) of the holding element (3) is engageable with the engagement opening (4c).

3. 3. The assembly according to claim 1 or 2, wherein the at least one ejection device (2) comprises at least one locking device (5) for releasably locking the holding element (3) to the at least one ejection element (4).

4. 4. The assembly according to claim 3, wherein the at least one locking device (5) can be unlocked by applying a pressure to the folding or sliding folding door (102) in the mounted state of the ejection device (2), preferably in the area where the holding element (3) is arranged.

5. The assembly of claim 4, wherein the folding or sliding door (102) is pushed together beyond an open position upon unlocking by applying the pressing force.

6. 6. An assembly according to claim 3, wherein the locking device (5) has at least one control cam (5a), preferably a heart-shaped control cam, and is provided with at least one control pin (5b) arranged or formed on the at least one ejection element (4), the control pin being guided in the control cam (5a).

7. 7. The assembly according to claim 1, wherein the ejection element (4) can be loaded by at least one force accumulator (6) that can be manually charged by a user, preferably the force accumulator (6) comprising at least one torsion coil spring.

8. Assembly according to claim 7 and any one of claims 3 to 6, wherein the at least one ejection element (4) is lockable via the locking device (5) against the load of the at least one energy accumulator (6) that stores energy.

9. 9. An assembly according to any one of the preceding claims, wherein the ejection device (2) comprises at least one, preferably two, support elements (7).

10. 10. An assembly according to claim 9, wherein said at least one eject element (4) is pivotably supported on said at least one support element (7).

11. Assembly according to claim 9 or 10, characterized in that the support element (7) comprises at least one mounting section (7a) for mounting the at least one support element (7) to a door (102a, 102b).

12. Assembly according to any one of claims 9 to 11 and 6, wherein said control cam (5a) is formed on said at least one support element (7).

13. Assembly according to any one of the preceding claims, characterized in that the ejection device (4) comprises at least one limiting device (8) for limiting the rotational movement of the at least one ejection element (4).

14. 14. The assembly according to claim 13, wherein the limiting device (8) has at least one limiting cam (8a), and a limiting pin (8b) arranged or formed on the at least one ejection element (4) is guided in the limiting cam (8a).

15. Assembly according to claims 13 or 14 and 9, wherein said limiting cam (8a) is formed on said at least one support element (7).

16. 10. An assembly according to claims 7 and 9, wherein said at least one energy accumulator (6) acts between said at least one support element (7) and said at least one eject element (4).

17. 17. An assembly according to any one of claims 1 to 16, wherein at least two eject elements (4) are provided, said at least two eject elements (4) being supported so as to be pivotable about a common axis (A).

18. Assembly according to any one of the preceding claims, wherein the at least one eject element (4) comprises a pivoting element (4a) and an engaging element (4b).

19. Assembly according to claim 18 and any one of claims 6, 7 or 14, wherein the control pin (5b) and / or the limiting pin (8b) are arranged on or formed on the pivoting element (4a) and / or the pivoting element (4a) has a receiving portion for at least partially receiving the energy accumulator (6).

20. Assembly according to claims 2 and 18, wherein said engaging element (4b) comprises said engaging opening (4c).

21. Assembly according to any one of the preceding claims, characterized in that the ejection device (2) comprises at least one overload protection means (9).

22. 22. An assembly according to claims 18 and 21, wherein the pivoting element (4a) and the engaging element (4b) are part of the overload protection means (9), the engaging element (4b) having a control contour (9a) which can be applied via a second energy accumulator (9b).

23. 23. An assembly according to claim 22, wherein the engaging element (4b) is pivotable relative to the pivoting element (4a) against the application of a force by the second force accumulator (9b) when a predetermined force is reached.

24. Assembly according to claim 23, characterized in that the second energy accumulator (9b) is supported on or in the pivoting element (4a).

25. A piece of furniture (100) comprising at least one fixed furniture part (101), preferably a furniture cabinet, and at least one assembly (1) according to any one of claims 1 to 24, wherein at least one folding door or folding sliding door (102) is supported on the at least one fixed furniture part (101).

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