Arrangement for guiding movable furniture part

By introducing a restriction device into the rope tensioning device, the tension of the rope is automatically controlled, and the problem of difficult to check and maintain rope tension in the prior art is solved, ensuring the normal operation of the rope traction device and the safety of furniture.

CN119421992APending Publication Date: 2025-02-11JULIUS BLUM GMBH
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Patent Information

Application Number
CN202380043843.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2022-04-29
Filing Date
2023-04-05
Publication Date
2025-02-11

AI Technical Summary

Technical Problem

The prior art is difficult to effectively check the true tension of the rope, resulting in the rope pulling device not working properly and may damage movable and fixed furniture components.

Method used

A rope tensioning device is designed to automatically prevent the rope from being further tensioned when the predetermined rope tension is reached, ensuring that the rope operates under a suitable tension state.

Benefits of technology

Automatically control the tension of the rope, avoiding the difficulty of manually maintaining the tension of the rope during separate installation, ensuring the normal operation of the rope traction device, and reducing the risk of damage to the furniture.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to an arrangement (1) for guiding a movable furniture part (2), preferably a furniture door, a sliding door or a folding sliding door, on a fixed furniture part (3), preferably a furniture body, comprising: at least one guide system (4) to be fastened to the fixed furniture part (3); a support (6), on which the movable furniture part (2) is pivotally mounted or can be mounted; a compensation device (7) for compensating a turning torque about a turning axis of the support (6) or of the movable furniture part (2) arranged thereon by means of a restoring torque, the compensation device (7) comprising at least one cable traction device (8) having at least one cable (8a); and a rope tensioning device (9) for tensioning the at least one rope (8a); wherein the rope tensioning device (9) has a limiting device (10), by means of which further tensioning of the at least one rope (8a) can be prevented when a predetermined rope tension is reached.
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Description

Technical Field

[0001] The invention relates to an arrangement for guiding a movable furniture part, preferably a furniture door, a sliding door or a folding sliding door, on a fixed furniture part, preferably a furniture carcass, having the features of the preamble of claim 1. The invention also relates to a piece of furniture having such an arrangement and a method for assembling such an arrangement. Background Art

[0002] Arrangements according to the preamble of claim 1 are already known. A disadvantage of such solutions according to the prior art is that the actual tension of the rope can only be checked with difficulty or not at all. If the rope is not sufficiently tightened or is pulled too tight, this has a negative effect on the function of the rope pulling device. In the worst case, the rope pulling device does not function properly, which can lead to damage to movable furniture parts and / or fixed furniture parts or furniture.

[0003] Therefore, the applicant's own, yet to be published, patent application A51103 / 2020 proposes a display device for displaying rope tension.

[0004] The disadvantage of this solution is that the installer must keep the rope taut during the entire process of clamping or locking the rope on the bracket. This makes it difficult for a single person to complete the installation. In addition, the hands of the person keeping the rope taut may be strangled by the rope. Summary of the invention

[0005] The object of the present invention is to avoid the described disadvantages according to the prior art and to provide an arrangement which is improved compared to the prior art for guiding a movable furniture part, preferably a furniture door, a sliding door or a folding sliding door, on a fixed furniture part, preferably a furniture carcass, a piece of furniture having at least one such arrangement and a method for assembling such an arrangement.

[0006] These objects are solved by the features of the independent claims 1 , 24 and 25 .

[0007] According to the invention, it is provided that the cable tensioning device has a limiting device, by which further tensioning of the at least one cable is prevented when a predetermined cable tension is reached.

[0008] Thus, the fitter himself does not have to ensure that a certain rope tension is observed. He only has to tighten the rope, because the limiting device automatically prevents further tensioning of the rope at a sufficient or predetermined rope tension.

[0009] A piece of furniture according to the invention is also provided, comprising at least one fixed furniture part, at least one movable furniture part and at least one configuration device according to one of the preceding claims, preferably the piece of furniture having at least one shaft-shaped cavity in which the at least one movable furniture part can be arranged.

[0010] Furthermore, a method according to the invention is provided for assembling a configuration device according to one of the preceding claims, wherein:

[0011] In a first method step, the at least one guide system is fastened to a fixed furniture part.

[0012] In a second method step, the support is connected to the at least one guide system in a kinematically coupled manner, and

[0013] In a third method step, the rope of the rope pulling device is tensioned by means of a rope tensioning device, wherein, when a predetermined rope tension is reached, a limiting device prevents further tensioning of the rope.

[0014] Further advantageous embodiments of the invention are defined in the dependent claims.

[0015] Preferably, it can be provided that the cable tensioning device has an actuating element for actuating the cable tensioning device.

[0016] In this case it can be particularly preferably provided that the operative connection between the cable tensioning device and the actuating element can be interrupted by the limiting device when a predetermined actuating torque, preferably associated with a predetermined cable tension, is reached.

[0017] This is an uncomplicated and reliable possibility to prevent further tensioning of the rope after a predetermined rope tension has been reached.

[0018] It can be advantageously provided that the actuating element is part of the limiting device. This contributes to a compact design of the cable tensioning device.

[0019] However, it is also conceivable that the actuating element is designed in a different manner.

[0020] It can be provided that the limiting device comprises a bearing element in or on which the actuating element is supported or can be supported. This embodiment also enables a more compact design of the cable tensioning device.

[0021] Preferably, the limiting device can comprise a connecting element, by means of which the support element and the actuating element are at least temporarily connected or connectable in a kinematically coupled manner.

[0022] It can be particularly preferably provided that the limiting device has a force accumulator, a predetermined force is or can be applied to the connecting element by the force accumulator, and / or the connecting element is at least partially configured as a force accumulator, preferably the predetermined actuating torque is limited by the force accumulator and / or the connecting element unit which is at least partially configured as a force accumulator.

[0023] This makes it possible to achieve a kinematically coupled connection between the support element and the actuating element.

[0024] Particularly preferably, provision can be made that the connecting element can be elastically deformed when the predetermined cable tension is reached, counteracting the action of a force accumulator and / or of the connecting element at least partially formed as a force accumulator, whereby the kinematically coupled connection between the support element and the actuating element can be released.

[0025] As a result, the actuating element can be decoupled from the supporting element, so that a further actuation of the actuating element does not lead to a further tensioning of the cable.

[0026] It can also be provided that the rope tensioning device has a display device for displaying the rope tension state. This makes it possible to check whether the rope is tensioned.

[0027] Preferably, it can be provided that the display device comprises a display element having an indicator. As a result, the display device can be realized in a simple manner.

[0028] It can be provided that the cable tensioning device comprises at least one fixing device for fixing the at least one cable. This makes it possible to fix the cable in an uncomplicated manner.

[0029] According to a preferred embodiment it can be provided that in addition to the at least one rope pulling device at least one pivot lever mechanism is provided, wherein the at least one pivot lever mechanism comprises at least two pivot levers which are articulated to one another and which can pivot relative to one another when the support moves on the fixed furniture part.

[0030] With regard to the method according to the invention, it can be provided that the following step is provided before the third method step:

[0031] - placing the rope in the rope tensioning device, and

[0032] - Secure the rope with the help of a fixing device.

[0033] It can also be provided that in an intermediate step at least one of the at least two pivot levers is connected to the at least one guide system and / or to a fixed furniture part.

[0034] Preferably, in a further method step, a movable furniture part, preferably a sliding door or a folding sliding door, is mounted on the support. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Further details and advantages of the present invention are explained in more detail below with reference to the accompanying drawings. In the drawings:

[0036] Figure 1 A perspective view showing a piece of furniture with an arrangement,

[0037] Figure 2a A perspective view showing a portion of a piece of furniture with a configuration device,

[0038] Figure 2b Show Figure 2a Details of A,

[0039] Figure 3 A partial exploded view showing the rope tensioning device,

[0040] Figure 4a Exploded view showing the restraining device and the tensioning unit,

[0041] Figure 4b A perspective view showing a restraining device,

[0042] Figure 4c A perspective view showing a support element and an actuating element,

[0043] Figure 4d A perspective view showing a connecting element,

[0044] Figure 4e a cross-sectional view showing a restraining device, and

[0045] Figure 5a -c shows a front view of the rope tensioning device during a step of the method according to the invention. DETAILED DESCRIPTION

[0046] Figure 1 A perspective view of a piece of furniture 100 is shown, which may comprise different components, such as a plurality of compartments in the interior of the piece of furniture 100. A fixed furniture part 3 is formed by a furniture body.

[0047] The piece of furniture 100 has a cavity 101 which is formed by two furniture walls 101a which are spaced apart from one another. A movable furniture part 2 in the form of a furniture door can be inserted into the cavity 101. The furniture door covers the interior of the piece of furniture 100 if the furniture door is closed.

[0048] A further piece of furniture 102, for example a cabinet, follows the piece of furniture 100. If the furniture door is in a closed position and the further piece of furniture 102 is also closed, the furniture door and the further piece of furniture 102 form a continuous furniture front.

[0049] Figure 2aA perspective view of a part of a piece of furniture 100 with an arrangement 1 is shown. For a better understanding, the second furniture wall 101a of the cavity 101 is not shown. A guide system 4 and a furniture wall 3 can be seen. The support 6 can also be seen. However, a further guide system or a plurality of further guide systems can also be provided here.

[0050] The movable furniture part 3 is pivotably supported on the support 6 by means of a hinge 6a.

[0051] The compensating device 7 is composed of a rope pulling device 8 and a pivot lever mechanism 5. The pivot lever mechanism 5 is composed of a first pivot lever 5a and a second pivot lever 5b. The first pivot lever 5a is arranged on the fixed furniture part 3 and is movably arranged on the support 6. The second pivot lever 5b is arranged on the support 6 and is arranged centrally on the first pivot lever 5a.

[0052] The cable pulling device 8 comprises a cable 8a and a plurality of deflection rollers 8b, which are arranged on the furniture wall 101a and / or on the guide system 4. The cable tensioning device 9 is arranged on the support 6.

[0053] Figure 2b Show Figure 2a Detail A of . The rope tensioning device 9 can be seen. The rope tensioning device 9 has a housing 9c, through which the rope 8a is passed.

[0054] In the lower region, part of the fixing device 9a can be seen, by means of which the cable 8a can be fixed to the cable tensioning device 9 and thereby to the support 6. The limiting device 10 is likewise only partially visible.

[0055] Figure 3 A partially exploded view of a cable tensioning device 9 is shown. A base body 9b can be seen. A fixing device 9a is arranged on the base body 9b and is formed at least partially by the base body 9b.

[0056] The fixing device 9a comprises two clamping jaws which can be tightened to each other via two screws. The rope can be clamped between the clamping jaws and thus fixed. However, other configurations of the fixing device are also conceivable, such as a spring-loaded clamping element or a toothed clamping element.

[0057] The tensioning unit 12 comprises a tensioning element 12b and a contact element 12a. The tensioning element 12b has a movement thread, wherein the clamping element 12a is arranged on the movement thread with a corresponding thread.

[0058] The tensioning element 12b is rotatably but immovably supported on the base body 9c. Therefore, a rotation of the tensioning element 12b causes the clamping element 12a to move in the axial direction of the tensioning element 12b.

[0059] The limiting device 10 is connected to the tensioning element 12 b in a kinematically coupled manner.

[0060] The display device 13 can also be seen, which comprises a display element 13a with an indicator 13b and a viewing window 13c. The display element 13a is pivotably mounted on the base body 9b.

[0061] The following will be based on Figures 4a to 4e The function of the limiting device is explained in more detail. Figure 4a An exploded view of the limiting device 10 and the tensioning unit 12 is shown, Figure 4b A perspective view showing a restraining device 10 is shown, Figure 4c A perspective view showing the support element 10a and the operating element 11, Figure 4d A perspective view showing a connecting element 10b and Figure 4e A cross-sectional view of the restriction device 10 is shown.

[0062] The support element 10a is designed to be essentially rotationally symmetrical. The kinematically coupled connection between the support element 10a and the tensioning element 12b can be achieved via the hexagonal axial end of the tensioning element 12b and the corresponding receiving portion in the support element 10a (see Figure 4c Of course, any other suitable connection mode can also be thought of here.

[0063] The actuating element 11 is supported in the support element 10a. In the case of the connecting element 10b, the actuating element 11 can rotate freely in the support element.

[0064] The connecting element 10 b is of substantially partially circular design and has a connecting pin 10 d which passes through an opening 10 e in the support element 10 a and bears against a control contour 11 b of the actuating element 11 .

[0065] The connecting element 10 b is acted upon with a defined force by a force accumulator 10 c in the form of a spring, which is likewise substantially segmented in shape.

[0066] This results in an at least temporary movement-coupled connection between the support element 10 a and the actuating element 11 .

[0067] When the actuating element 11 is actuated, in this exemplary embodiment rotated, the supporting element 1a and thus the tensioning element 12b are also rotated, which in turn moves the contact element 12a.

[0068] In the present exemplary embodiment, the actuating element 11 has a screw head drive 11 a , whereby the actuating element 11 can be actuated via a screw head turner.

[0069] If the contact element 12a is subject to resistance, for example because the cable is tensioned or is taut, a greater actuating moment, in this case torque, is required on the actuating element 11 in order to move the contact element 12a further.

[0070] At a sufficiently large actuating torque, the actuating element 11 pushes the connecting pin 10d upwards via the control contour 11b, counteracting the action of the force accumulator 10c. The actuating element 11 begins to rotate within the support element 10a.

[0071] If the drive torque increases further, the actuating element 11 continues to rotate until the connecting pin 10d moves out of the recess of the control contour 11b. There is no longer a motion coupling between the support element 10a and the actuating element 11. A further rotation of the actuating element 11, i.e. actuation, does not lead to a further rotation of the support element 10a and thus to a movement of the contact element 12a and thus to no further tensioning of the cable 8a.

[0072] The force exerted by the force accumulator 10c against the movement of the connecting pin 10d out of the opening 10e can be selected such that the connecting pin 10d passes over the projection 11c precisely when a predetermined or desired cable tension is reached.

[0073] It is thereby possible that, when a predetermined cable tension is reached, further tensioning of the at least one cable 8 a can be prevented by the limiting device 10 .

[0074] An elastic element 12c, which can be designed as an O-ring, can be arranged between the contact element 12a and the tensioning element 12b. The advantage of this element 12c is that it prevents the contact element 12a and the tensioning element 12b from getting stuck if the tensioning element 12b is incorrectly actuated.

[0075] Figure 5a to Figure 5c A front view of the cable tensioning device 9 is shown during a step of the method according to the invention.

[0076] exist Figure 5a It can be seen in FIG. 1 that the rope 8a has passed through the rope tensioning device 9 and is fixed to the main body 9b by the fixing device 9a. Here, the rope 8a has not yet been tensioned, which means that the contact element 12a has not yet contacted the rope 8a.

[0077] The rope is also guided by the display element 13a, wherein the indicator 13b is visible in the viewing window 13c. The display element 13a can be prestressed, for example, via a spring, so that the indicator 13b is visible in the viewing window 13c in the untensioned state of the rope.

[0078] exist Figure 5bIn the embodiment, the operating element 5b has been operated and the contact element 12a has been in contact with the rope 8a. It is also conceivable that this is achieved by directly rotating the support element 10a by means of the operating section 10f.

[0079] It can be seen from the display element 13a that the rope 8a has been slightly tensioned. In other words, the display element 13a has been pressed downward by the rope 8a.

[0080] exist Figure 5b In the embodiment shown in FIG. 1 , the cable 8a is fully tensioned. The display element 13a is completely pressed downwards and the indicator 13b is thus no longer visible in the viewing window 13c.

[0081] The maximum deflection of the cable tensioning device 9 is shown in this figure. The actual position of the contact element 12a is usually located at Figure 5b and Figure 5c between the positions shown in .

[0082] When the predetermined rope tension is reached, the actual position of the contact element 12a depends on the predetermined rope tension itself on the one hand and is also decisively influenced by the position of the rope 8a at which the installer fixes the rope 8a in the fixing device 9a on the other hand.

[0083] It is also conceivable to provide the cable 8 a with corresponding markings which indicate the permissible clamping range.

Claims

1. An arrangement (1) for guiding a movable furniture part (2), preferably a furniture door, a sliding door or a folding sliding door, on a fixed furniture part (3), preferably a furniture carcass, the arrangement comprising: at least one guide system (4) to be fastened to the fixed furniture component (3); a support (6) on which the movable furniture part (2) is pivotably supported or can be supported; A compensation device (7) is used to compensate a tilting moment of a support (6) or a movable furniture part (2) arranged on the support about a tilting axis by means of a restoring moment, wherein: The compensating device (7) comprises at least one rope pulling device (8) having at least one rope (8a); and a rope tensioning device (9) for tensioning the at least one rope (8a); The invention is characterized in that the rope tensioning device (9) has a limiting device (10) which can prevent the at least one rope (8a) from being further tensioned when a predetermined rope tension is reached.

2. The configuration device according to claim 1, wherein: The cable tensioning device (9) has an actuating element (11) for actuating the cable tensioning device (9).

3. The configuration device according to claim 2, wherein: When a predetermined actuating torque, preferably associated with a predetermined cable tension, is reached, the limiting device (10) can interrupt the operative connection between the cable tensioning device (9) and the actuating element (11).

4. The configuration device according to claim 2 or 3, wherein: The actuating element (11) is part of the limiting device (10).

5. The configuration device according to any one of claims 2 to 4, wherein: The limiting device (10) comprises a bearing element (10a) in or on which the actuating element (11) is supported or can be supported.

6. The configuration device according to claim 5, wherein: The limiting device (10) comprises a connecting element (10b) by which the support element (10a) and the actuating element (11) are at least temporarily connected or connectable in a kinematically coupled manner.

7. The configuration device according to claim 6, wherein: The limiting device (10) comprises a force accumulator (10c), through which a predetermined force is applied or can be applied to the connecting element (10b), and / or the connecting element (10b) is at least partially configured as a force accumulator, preferably, the predetermined operating torque is limited by the force accumulator (10c) and / or the connecting element (10b) at least partially configured as a force accumulator.

8. The configuration device according to claim 6 or 7, wherein: The connecting element (10b) is at least partially designed to be elastically deformable.

9. The configuration device according to claims 7 and 8, wherein: When the predetermined cable tension is reached, the connecting element (10b) can be elastically deformed against the action of a force accumulator (10c) and / or a connecting element (10b) at least partially configured as a force accumulator, thereby releasing the kinematically coupled connection between the support element (10a) and the actuating element (11).

10. The configuration device according to any one of claims 2 to 9, wherein: The operating element (11) comprises a screw head driver (11a).

11. The configuration device according to any one of claims 2 to 10, wherein: The actuating element (11) is designed to be essentially rotationally symmetrical.

12. The configuration device according to any one of claims 5 to 11, wherein: The bearing element (10a) is designed to be essentially rotationally symmetrical.

13. The configuration device according to any one of claims 6 to 12, wherein: The connecting element (10b) and / or the force accumulator (10c) are designed as a part of a circle.

14. The configuration device according to any one of claims 6 to 13, wherein: The connecting element (10b) has a connecting pin (10d), wherein the connecting pin (10d) passes through the supporting element (10a) through an opening (10e) in the supporting element (10a).

15. The configuration device according to claim 14, wherein: The connecting pin (10d) bears against a control contour (11b) of the actuating element (11).

16. The configuration device according to any one of claims 1 to 15, wherein: The cable tensioning device (9) has a tensioning unit (12) comprising a contact element (12a) for contacting the at least one cable (8a) and a tensioning element (12b) for tensioning the at least one cable (8a) via the contact element (12a).

17. The configuration device according to claim 16, wherein: The contact element (12a) is supported on a tensioning element (12b) via a movement thread and / or at least one elastic element (12c) is arranged between the contact element (12a) and the tensioning element (12b), the elastic element preferably being designed as an O-ring.

18. The configuration device according to claim 17 and 5, wherein: The tensioning element (12b) is connected or connectable to the support element (10a) in a kinematically coupled manner.

19. The configuration device according to any one of claims 5 to 18, wherein: The support element (10a) has an actuating section (10f) for pretensioning the cable tensioning device (9).

20. The configuration device according to any one of claims 1 to 19, wherein: The rope tensioning device (9) has a display device (13) for displaying the rope tensioning state.

21. The configuration device according to claim 20, wherein: The display device (13) comprises a display element (13a) having an indicator (13b).

22. The configuration device according to any one of claims 1 to 21, wherein: The rope tensioning device (9) comprises at least one fixing device (9a) for fixing the at least one rope (8a).

23. The configuration device according to any one of claims 1 to 22, wherein: In addition to the at least one rope pulling device (8), at least one pivot lever mechanism (5) is provided, wherein the at least one pivot lever mechanism (5) comprises at least two pivot levers (5a, 5b) which are articulated with each other and can be pivoted relative to each other when the support (6) moves on the fixed furniture part (3).

24. A piece of furniture (100) comprising at least one fixed furniture part (3), at least one movable furniture part (2) and at least one configuration device (1) according to one of the preceding claims, wherein the piece of furniture (100) preferably has at least one shaft-shaped cavity (101), and the at least one movable furniture part (2) can be arranged in the at least one shaft-shaped cavity.

25. Method for assembling a configuration device (1) according to one of the preceding claims, wherein: In a first method step, the at least one guide system (4) is fastened to a fixed furniture part (3). In a second method step, the support (6) is connected to the at least one guide system (4) in a kinematically coupled manner, and In a third method step, a rope (8a) of the rope pulling device (8) is tensioned by means of a rope tensioning device (9), wherein, when a predetermined rope tension is reached, a limiting device (10) prevents the rope (8a) from being further tensioned.

26. The method according to claim 25, wherein: The third method step is additionally preceded by the following step: placing the rope (8a) in the rope tensioning device (9), and The rope (8a) is secured by means of a securing device (9a).

27. The method according to any one of claims 25 or 26, wherein: In an intermediate step, at least one of the at least two pivot levers (5a, 5b) is connected to the at least one guide system (4) and / or to the fixed furniture part (3).

28. The method according to any one of claims 25 to 27, wherein: In a further method step, a movable furniture part (2), preferably a furniture door, a sliding door or a folding sliding door, is mounted on the carrier (6).