EP3880920A1

EP3880920A1 - Arrangement for guiding a sliding door

Info

Publication number: EP3880920A1
Application number: EP19802031.5A
Authority: EP
Inventors: Stefan DÜR
Original assignee: Julius Blum GmbH
Current assignee: Julius Blum GmbH
Priority date: 2018-11-13
Filing date: 2019-11-05
Publication date: 2021-09-22
Anticipated expiration: 2039-11-05
Also published as: CN113039338B; AT521373B1; US11879283B2; EP3880920B1; TW202024462A; JP7216202B2; TWI729555B; ES2971921T3; AT521373A4; CN113039338A; JP2022507350A; WO2020097642A1; US20210262262A1

Abstract

Arrangement (1) for guiding a sliding door (2), comprising at least one rail profile (3) and at least one running carriage (5) which is mounted so as to be movable relative to the at least one rail profile (3) in the longitudinal direction (4) and to which the sliding door (2) can be fastened, wherein the at least one running carriage (5) has at least one rolling body (6), and at least one rail profile (3) has at least one running surface (7) which extends in the longitudinal direction (4) of the rail profile (3) and on which the at least one rolling body (6) is supported, wherein the at least one rolling body (6) is displaceable on the at least one running surface (7) transversely to the longitudinal direction (4) of the at least one rail profile (3), with the result that the at least one running carriage (5) can be pivoted about a pivot axis (8) extending substantially parallel to the longitudinal direction (4) of the at least one rail profile (3), wherein the at least one rail profile (3) has at least one vertical web (10) which extends in the longitudinal direction (4) and which is oriented substantially perpendicularly to the at least one running surface (7), wherein the at least one running carriage (5) can be pivoted about the pivot axis (8) in such a way that a distance (12) from the at least one vertical web (10) increases in a state under loading by the sliding door (2), preferably wherein the at least one vertical web (10) delimits the at least one running surface (7) transversely to the longitudinal direction (4) of the at least one rail profile (3).

Description

Arrangement for guiding a sliding door

The invention relates to an arrangement for guiding a sliding door, comprising at least one rail profile and at least one carriage mounted to be movable in the longitudinal direction relative to the at least one rail profile, to which the sliding door can be fastened, the at least one carriage at least one rolling element and the at least one rail profile at least one has running surface running in the longitudinal direction of the rail profile, on which the at least one rolling element is supported, the at least one rolling element being displaceable on the at least one running surface transversely to the longitudinal direction of the at least one rail profile, so that the at least one running carriage is displaced by a substantially parallel to the longitudinal direction of the at least one rail profile extending pivot axis is pivotable. The invention further relates to a piece of furniture with at least one sliding door and at least one such arrangement.

FIG. 2 shows an arrangement 101 for guiding a sliding door according to the prior art in a side view, a section marked by a circle being shown enlarged in the lower part of the figure. The arrangement 101 has a rail profile 103 and a carriage 105 which is mounted so as to be movable relative to it in the longitudinal direction, which in this view is oriented normal to the sheet plane. The carriage 105 has in the upper region a rolling element 106 which is mounted about a vertical axis and which is located on a supports in the longitudinal direction running surface 107 of the rail profile 103.

A sliding door can be attached to the carriage 105 via a carriage hinge 118. The sliding door, which is not shown in the drawing, is connected to the carriage hinge 118 in the upper region and hangs down. The sliding door is very heavy. Under the influence of gravity, the lower part of the sliding door tends to swing to the right. As a result, the sliding door exerts a torque on the arrangement 101, which is indicated by a curved arrow. As can be seen from the enlarged illustration, the rolling element 106 is subsequently pressed in the contact area 29 against the running surface 107. If the sliding door is in the same position for a longer period of time, for example several days, the rolling body 106 is flattened. If the rolling body 106 is then moved again along the rail profile 103, this flattening results in an unfavorable situation Noise, a chatter. At the same time, there may be increased wear on the rolling element 106 and the rail profile 103.

DE 202017101296 U1 discloses a guide for a sliding door with an angle compensation, in which a carriage with rollers is provided, which is guided on the inside of a tubular guideway.

The object of the present invention is to provide an arrangement for guiding a sliding door which is improved compared to the prior art and a piece of furniture with at least one sliding door and at least one such improved arrangement in which, in particular, flattening of the rolling element is significantly reduced or avoided entirely.

This object is achieved by the features of independent claims 1 and 11.

It is provided that the at least one rolling element can be displaced on the at least one running surface transversely to the longitudinal direction of the at least one rail profile, so that the at least one carriage can be pivoted about a pivot axis running essentially parallel to the longitudinal direction of the at least one rail profile.

In the arrangement according to the invention, it is provided that the at least one rail profile has at least one vertical web running in the longitudinal direction, which is oriented essentially perpendicular to the at least one running surface, the at least one running carriage being pivotable about the pivot axis in such a way that there is a distance from it enlarged at least one vertical web in a state loaded by the sliding door, preferably wherein the at least one vertical web which delimits at least one running surface transversely to the longitudinal direction of the at least one rail profile.

A basic idea is to consciously allow the sliding door and thus the carriage to pivot. The at least one rolling element can be displaced transversely to the longitudinal direction of the at least one rail profile on the at least one running surface, and thus runs into empty space without being pressed against a web or the like. A flattening of the at least one rolling element cannot take place at all.

According to a preferred embodiment, it is provided that the at least one tread is at least partially concave in cross section, and / or wherein the at least one rolling element has a peripheral surface, via which the at least one rolling element is supported at least in regions on the at least one tread, and wherein the circumferential surface is at least partially convex in cross section. These embodiments - individually or in combination with one another - enable the at least one rolling element to be moved gently on the running surface transversely to the longitudinal direction of the rail profile. The frictional forces are minimized without the at least one rolling element being lifted from the running surface when the at least one carriage is pivoted about the pivot axis and the force train is thus torn off.

Furthermore, it has proven to be advantageous that the at least one rail profile has at least one boundary profile which limits the at least one running surface transverse to the longitudinal direction of the at least one rail profile. This at least one limiting profile is only intended for an unscheduled overload in order to prevent the sliding door from unhooking. In normal operation, the at least one rolling element is not in contact with the at least one limiting profile or is only in contact with a minimal pressing force.

It has proven to be advantageous that the at least one carriage, starting from a zero position, which the at least one carriage at least in one through the Sliding door takes unloaded state, about the pivot axis in an angular range of + 15 ° and -10 °, preferably + 10 ° and -5 °, is pivotable. This relatively small pivoting is surprisingly sufficient to prevent the at least one rolling element from flattening.

It can be provided that the at least one rolling element is essentially cylindrical. However, other rolling element shapes are also possible.

Furthermore, it can be provided that the at least one rolling element is mounted on the at least one carriage so that it can rotate about an axis of rotation which is essentially perpendicular to the pivot axis, the axis of rotation being oriented essentially horizontally in the installed state. In comparison to the prior art shown in FIG. 2, the axis of rotation of the at least one rolling element is rotated by 90 °.

According to a preferred embodiment, it is provided that the at least one carriage has at least one load rolling element for supporting the weight of a sliding door attached to the at least one carriage, preferably wherein the at least one load rolling element has a groove, particularly preferably a V groove, on the circumference in cross section. If the at least one load rolling element has a groove on the circumference, the at least one load rolling element not only assumes a supporting function, but can also be used for lateral guidance of the at least one carriage.

In this context, it has proven to be advantageous for the at least one rail profile to have at least one load-transferring running surface on which the at least one load rolling element is supported, preferably with the at least one load-transferring running surface being at least partially convex in cross section, particularly preferably circular. With such a design, on the one hand, the contact surface between the at least one load rolling element and the at least one load-transferring running surface can be minimized. On the other hand, if the at least one load rolling element has a groove on the circumference, it is possible for the at least one load-transmitting tread to engage in the at least one To achieve load rolling elements. This enables the lateral guidance to be further improved.

It is also possible that the at least one load-transmitting tread is formed on at least one insert part that is formed separately from the at least one rail profile, preferably wherein the at least one insert part is cylindrical.

And finally it turned out to be favorable that the arrangement comprises at least one carriage hinge which is connected or connectable to the at least one carriage and to the sliding door, and via which the sliding door can be pivoted relative to the at least one carriage, preferably by one in the installed position vertical axis.

As stated at the beginning, protection is also sought for a piece of furniture with at least one sliding door and at least one arrangement according to the invention, preferably with the piece of furniture having a, particularly preferably shaft-shaped, cavity for receiving the at least one sliding door, the cavity being essentially transverse to the at least one Rail profile extends into the interior of the furniture.

A preferred embodiment provides that the at least one sliding door comprises at least two hinged door wings, the at least two door wings between a parallel position, in which the at least two door wings are aligned essentially parallel to one another, and a co-plan view, in which the at least two Door leaves are essentially co-planar, are movable, the angular position of the at least one carriage changing with respect to the pivot axis when the at least two door leaves move between the parallel position and the co-planar position.

In this context, it can advantageously be provided that the inclination of the at least one carriage relative to a vertical position in the co-planar position of the at least two door leaves is greater than in the parallel position of the at least two door leaves. Further details and advantages of the invention are explained in more detail below with the aid of the description of the figures and with reference to the drawings. In it show:

1 shows a preferred exemplary embodiment of a piece of furniture with two sliding doors, which can be moved via an arrangement according to the invention, in a schematically illustrated perspective view,

Fig. 2 shows an arrangement according to the prior art in a side view, Fig. 3a) -c) a first preferred embodiment of the invention

Arrangement in a schematically illustrated side view (Fig. 3a)), in a schematically illustrated perspective view (Fig. 3b)) and in a schematically illustrated exploded view (Fig. 3c)),

4a) -c) the first preferred exemplary embodiment in a schematically illustrated cross-sectional view, the carriage being pivoted to different degrees about the pivot axis, and

Fig. 5a), b) a second preferred embodiment of the invention

Arrangement in a schematically illustrated side view (Fig. 5a)) and in a schematically illustrated perspective view (Fig. 5b)).

FIG. 1 shows a preferred exemplary embodiment of a piece of furniture 20 with two sliding doors 2, which can be moved via an arrangement 1 according to the invention. Details of the arrangement 1, which comprises a rail profile 3 and, for each sliding door 2, a carriage 5 mounted in the longitudinal direction 4 relative to the rail profile 3, are described in the course of FIGS. 3a) ff.

The sliding doors 2 each comprise two hinged door panels 22, the two door panels 22 between a parallel position, in which the two door panels 22 are oriented essentially parallel to one another, and a co-plan view, in which the two door panels 22 are essentially co-planar, are movable. The sliding door 2 shown in the figure on the left side is arranged in the co-plan view. The right sliding door 2 is arranged in an intermediate position in which the two door leaves 22 enclose an angle of approximately 90 ° to one another. If the door leaves 22 are pushed further to the right, they reach the parallel position. The sliding door 2 is in the Folded parallel position and the two door panels 22 form a door package. If both sliding doors 2 are in the co-plan view, the furniture 20 is closed to the outside.

Components of a kitchen 28 or even a complete kitchen 28 can be arranged inside the furniture 20, as in the case shown. Additional furniture, for example a tall cabinet 25, can be arranged adjacent to the furniture 20.

The door leaves 22 can be connected to one another via one or more door hinges 26.

The invention is not limited to two sliding doors 2 with two door leaves 22. For example, only one sliding door 2 and / or one sliding door 2 with only one door leaf 22 can be used.

According to the exemplary embodiment shown, the furniture 20 comprises two shaft-shaped cavities 21 for receiving a sliding door 2 each, the cavities 21 extending essentially transversely to the rail profile 3 into the interior of the furniture 20. As in the case shown, the cavities 21 can be delimited by side walls 24.

In the case of a sliding door 2, which has two hinged door leaves 22, it makes sense that the sliding door 2 can be lowered into the shaft-shaped cavity 21, starting from the parallel position of the door leaves 22.

Furthermore, it makes sense to provide a carrier 41 on which the sliding door 2 is movably mounted. Carrier hinges 27 can be provided for movable mounting.

One or more guides separate from the rail profile 3 can be provided, via which the carrier 41 can be moved in the cavity 21. The guides run transversely to the rail profile 3 and can be arranged on one or more side walls 24 which delimit the cavity 21. Seen overall, the sliding doors 2 are each movably mounted on the rail profile 3 by means of a carriage 5 on the one hand and on the other hand connected to a support 41 which can be moved in the cavity 21. To attach the sliding doors 2 to the respective carriage 5, a carriage hinge 18 can be provided, via which the sliding doors 2 can be pivoted about a vertical axis 19 relative to the carriage 5.

If the sliding door 2 is sunk in the cavity 21 in the parallel position of the door leaves 22, the carriage 5 is uncoupled from the rail profile 3.

Embodiments are also possible in which, for example, a continuous rail profile 3 is used, which runs into the cavity 21 via a curve. In this case, the use of a carrier 41, separate guides for the carrier 41, and / or a decoupling of the carriage 5 from the rail profile 3 can be dispensed with.

As described at the beginning in connection with FIG. 2, the sliding doors 2 endeavor to pivot under the influence of gravity in their lower region inwards, ie in the direction of the interior of the furniture. This state of affairs is indicated by an arrow in FIG. 1 for the left sliding door 2.

This effort is different depending on the position of the two door panels 22. In fact, the sliding doors 2 have a more pronounced tendency to pivot inwards in the co-plan view than in the parallel position. Even in the course of the movement of the sliding doors 2 between these two positions, the tendency can be different.

Figure 2 shows an arrangement according to the prior art. This arrangement, from which the present invention is differentiated, has already been described at the beginning.

FIGS. 3a) to 4c) show a first preferred exemplary embodiment of the arrangement 1 according to the invention for guiding a sliding door 2. The arrangement 1 comprises a rail profile 3 and a carriage 5 mounted to be movable in the longitudinal direction 4 relative to the rail profile 3, to which the sliding door 2 can be fastened, the carriage 5 having a rolling element 6 and the rail profile 3 a running surface 7 running in the longitudinal direction 4 of the rail profile 3 has, on which the rolling element 6 is supported. The rolling element 6 can be displaced on the running surface 7 transversely to the longitudinal direction 4 of the rail profile 3, so that the carriage 5 can be pivoted about a pivot axis 8 which runs essentially parallel to the longitudinal direction 4 of the rail profile 3 (compare in particular FIGS. 4a) to 4c)) .

The rail profile 3 has two boundary profiles 10, 11 which limit the running surface 7 transversely to the longitudinal direction 4 of the rail profile 3.

The rolling element 6 is essentially cylindrical.

The carriage 5 has two load rolling elements 14 for supporting the weight of a sliding door 2 fastened to the carriage 5, the load rolling elements 14 having a groove 15 in cross-section, more precisely a V-groove, on the circumference, which is particularly good on the basis of the cross-sectional representations of FIGS. 4a ) to 4c) can be seen.

The rail profile 3 has a load-transmitting tread 16 on which the load rolling elements 14 are supported, the load-transmitting tread 16 being convex in cross section, more precisely circular.

As in the case shown, the load-transmitting tread 16 can be formed on an insert 17 which is separate from the rail profile 3, the insert 17 being cylindrical.

As can be seen in particular from the exploded view contained in FIG. 3c), the carriage 5 can comprise a basic structure 31, on which the rolling elements 6 and the load rolling elements 14 are rotatably supported via rolling element bearings 34. Furthermore, a fastening profile 30 can be provided for the direct or indirect fastening of the sliding door 2. Between the fastening profile 30 and the basic structure 31, one or more springs 32 can be provided. It makes sense to store them on guide bolts 33.

As can be seen in particular from FIGS. 4a) to 4c), the tread 7 is concave in cross section. At the same time, the roller body 6 has a peripheral surface 9, by means of which the roller body 6 is supported in some areas on the running surface 7, the peripheral surface 9 having a convex cross section.

FIG. 4b) shows a zero position of the carriage 5. If one compares this position with the position shown in FIG. 4c), it can be seen that the rail profile 3 runs in the longitudinal direction 4 and the running surface 7 transversely to the longitudinal direction 4 of the rail profile 3 has bounding vertical web 10, which is oriented essentially perpendicular to the running surface 7, the carriage 5 being pivotable about the pivot axis 8 such that a distance 12 to the vertical web 10 increases in a state loaded by the sliding door 2.

At the same time, as a comparison with FIG. 4a) shows, it can be provided that the carriage 5 can be pivoted in the opposite direction.

Overall, it can be provided that the carriage 5, starting from a zero position, which carriage 5 assumes at least in a state unloaded by the sliding door 2, can be pivoted about the pivot axis 8 in an angular range of + 10 ° and -5 °. The relevant angle is provided with the reference symbol 23 in FIG. 4b).

As can also be seen from FIG. 4b), the roller body 6 is mounted on the carriage 5 such that it can rotate about an axis of rotation 13 which is essentially perpendicular to the pivot axis 8, the axis of rotation 13 being oriented essentially horizontally in the installed state.

In connection with FIG. 1, it has already been pointed out that the angular position of the carriage 5 with respect to the pivot axis 8 can change when the two door leaves 22 move between the parallel position and the co-plan view. Specifically, the inclination of the carriage 5 with respect to a vertical position in the co-plan view of the two door leaves 22 is greater than in the parallel position in FIG

two door leaves 22.

FIGS. 5a) and 5b) show a second preferred exemplary embodiment of the arrangement 1 according to the invention. The arrangement 1 comprises a carriage hinge 18, which can be connected or connected to the carriage 5 and to the sliding door 2, and via which the sliding door 2 relative to the carriage 5 is pivotable, specifically about an axis 19 vertical in the assembly position (see also FIG. 1).

As in the case shown, the carriage hinge 18 can comprise a mounting plate 35 for mounting on the sliding door 2. The mounting plate 35 is connected in an articulated manner to a fastening interface 37 via articulated lever 36, the fastening interface 37 serving to connect the carriage hinge 18 to the carriage 5. The carriage hinge 18 has a plurality of articulated axes 38, 39, 40.

Claims

1. Arrangement (1) for guiding a sliding door (2), comprising at least one rail profile (3) and at least one carriage (5) mounted to be movable relative to the at least one rail profile (3) in the longitudinal direction (4), on which the sliding door (2 ) can be fastened, the at least one carriage (5) having at least one rolling element (6) and the at least one rail profile (3) having at least one running surface (7) running in the longitudinal direction (4) of the rail profile (3), on which the at least one supports a rolling element (6), the at least one rolling element (6) being displaceable on the at least one running surface (7) transversely to the longitudinal direction (4) of the at least one rail profile (3), so that the at least one running carriage (5) can be moved by one is pivotable substantially parallel to the longitudinal direction (4) of the at least one rail profile (3) pivot axis (8), characterized in that the at least one rail profile (3) at least one in the longitudinal direction (4th ) extending vertical web (10), which is aligned substantially perpendicular to the at least one running surface (7), the at least one carriage (5) being pivotable about the pivot axis (8) such that there is a distance (12) from the at least one a vertical web (10) enlarged in a state loaded by the sliding door (2), preferably the at least one vertical web (10) delimiting the at least one running surface (7) transversely to the longitudinal direction (4) of the at least one rail profile (3).

2. Arrangement (1) according to claim 1, wherein the at least one tread (7) is at least partially concave in cross section, and / or wherein the at least one rolling element (6) has a peripheral surface (9) over which the at least one Rolling elements (6) are supported at least in regions on the at least one running surface (7), and the peripheral surface (9) is convex in cross section at least in regions.

3. Arrangement (1) according to claim 1 or 2, wherein the at least one rail profile (3) has at least one limiting profile (10, 11), which which delimits at least one running surface (7) transversely to the longitudinal direction (4) of the at least one rail profile (3).

4. Arrangement (1) according to one of claims 1 to 3, wherein the at least one carriage (5) starting from a zero position, which the at least one carriage (5) at least in a state unloaded by the sliding door (2) to the Swivel axis (8) in an angular range of + 15 ° and -10 °, preferably + 10 ° and -5 °, is pivotable.

5. Arrangement (1) according to one of claims 1 to 4, wherein the at least one rolling element (6) is substantially cylindrical.

6. Arrangement (1) according to one of claims 1 to 5, wherein the at least one rolling element (6) about an essentially perpendicular to the pivot axis (8) extending axis of rotation (13) is rotatably mounted on the at least one carriage (5), the Axis of rotation (13) is aligned essentially horizontally in the assembled state.

7. Arrangement (1) according to one of claims 1 to 6, wherein the at least one carriage (5) has at least one load rolling element (14) for supporting the weight of a sliding door (2) attached to the at least one carriage (5), preferably wherein the at least one load rolling element (14) has a groove (15), particularly preferably a V-groove, in cross section on the circumference.

8. The arrangement (1) according to claim 7, wherein the at least one rail profile (3) has at least one load-bearing tread (16) on which the at least one load rolling element (14) is supported, preferably wherein the at least one load-bearing tread (16) in Cross-section is at least partially convex, particularly preferably circular.

9. The arrangement (1) according to claim 8, wherein the at least one load-transmitting tread (16) is formed on at least one insert part (17) which is formed separately from the at least one rail profile (3), preferably wherein the at least one insert part (17) is cylindrical .

10. Arrangement (1) according to one of claims 1 to 9, wherein the arrangement (1) comprises at least one carriage hinge (18) which is connected or connectable to the at least one carriage (5) and to the sliding door (2), and Via which the sliding door (2) can be pivoted with respect to the at least one carriage (5), preferably about an axis (19) vertical in the installed position.

11. Furniture (20) with at least one sliding door (2) and at least one arrangement (1) according to one of claims 1 to 10, preferably wherein the furniture (20) has a, particularly preferably shaft-shaped, cavity (21) for receiving the at least one Sliding door (2), the cavity (21) extending essentially transversely to the at least one rail profile (3) into the interior of the furniture (20).

12. Furniture (20) according to claim 11, wherein the at least one sliding door (2) comprises at least two hinged door panels (22), the at least two door panels (22) between a parallel position in which the at least two door panels (22) are aligned essentially parallel to one another, and a co-plan view in which the at least two door leaves (22) are substantially co-planar, the angular position of the at least one carriage (5) with respect to the pivot axis (8) at one Movement of the at least two door leaves (22) between the parallel position and the complanar position changes.

13. Furniture (20) according to claim 12, wherein the inclination of the at least one carriage (5) with respect to a vertical position in the co-plan view of the at least two door leaves (22) is greater than in the parallel position of the at least two door leaves (22).