EP4229257A1

EP4229257A1 - Sliding door

Info

Publication number: EP4229257A1
Application number: EP21787434.6A
Authority: EP
Inventors: Jonas Vonaesch; Florian TRÖSCH
Original assignee: Inventio AG
Current assignee: Inventio AG
Priority date: 2020-10-13
Filing date: 2021-10-06
Publication date: 2023-08-23
Also published as: US20230366241A1; WO2022078840A1

Abstract

The invention relates to a sliding door (2), comprising: - a bar (8), which can be moved in the closing and opening direction (SR) of a door leaf (6) of the sliding door (2), the sliding door (2) separating a first space from a second space when the sliding door is in its closed state; and - a door frame, which comprises a bar catch; wherein, when the door leaf (6) is in its closed state, the bar (8) engages in the bar catch, and the engagement can be released by movement of the door leaf (6), and thus of the bar, in the direction of the normal to the door leaf plane (TE).

Description

sliding door

The invention relates to a sliding door with a locking device, in particular an unlocking device that can be triggered by pressure on a door leaf of the sliding door.

DE 101 63 061 B4 discloses a sliding door which comprises a door leaf carrier which can be displaced in the horizontal direction between two wall shells and on which two door leaves which can be spread in opposite directions are mounted. When the sliding door is closed, the outer surfaces of the spread-apart door leaves are flush with the outer surfaces of the two wall shells. The door leaf carrier can be moved horizontally on a linear guide and can be moved by a traction mechanism driven by an electric motor. In their upper area, the door leaves are connected to the sliding door leaf carrier via link levers that each form a parallelogram guidance system, so that a distance between the door leaf and the door leaf support frame, measured at right angles to the outer surfaces of the wall elements, can be changed so that the outer surface of the door leaf can be seen when the sliding door is open between the two wall elements and the closed state in the door opening and can be positioned flush with the outer surface of the wall element assigned to the door leaf.

Such sliding doors can be used as entrance doors for apartments or room dividers, for example. Such doors thus delimit a private area from a non-private area and are usually automatically locked or can be locked in their closed state in order to prevent unauthorized access to the private area. A power failure during the closed or locked state thus means that the sliding door cannot be unlocked or opened by the electric drive.

The object of the invention is to provide a sliding door with a locking device which, even when de-energized, allows the sliding door to be opened or unlocked from a private room, but which cannot be unlocked from a non-private room.

The object is achieved by a sliding door with a bolt that can be moved in the closing and opening direction of a door leaf of the sliding door, with the sliding door separating a first room from a second room in its closed state, and a one Bolt latch comprehensive door frame, wherein the bolt engages in the closed state of the door leaf in the bolt latch, and the engagement by moving the door leaf and thus the bolt in the direction normal to the plane of the door leaf is releasable.

The invention is based on the finding that a displacement movement of the door leaf can be used in order to be able to unlock the door leaf. For this purpose, the bolt is connected to the door leaf that triggers unlocking in such a way that the displacement of the door leaf can be used to release the bolt from the bolt catch and correspondingly to unlock the sliding door. According to this, the closed and locked sliding door can be unlocked by a displacement of the door leaf triggered from a private room and can therefore be opened, in particular by hand, even in a de-energized state. The sliding door is preferably locked at all times in its closed position.

In a further development of the sliding door, the bolt is connected to the door leaf in such a way that the bolt can be released in the direction normal to the plane of the door leaf by pressing in the first space essentially in the direction normal to the plane of the door leaf against the closed door leaf. Correspondingly, the bolt and bolt catch are arranged in such a way that the bolt essentially executes a horizontal movement in order to be transferred from its unlocked position to its locked position or from its locked position to its unlocked position. Concretely, such is easily executable by pressing against the door panel performed in the first space. Correspondingly, the locking device comprising the bolt and the bolt catch is arranged in such a way that the bolt can be moved out of the bolt catch by the movement carried out in the direction normal to the plane of the door leaf, and the sliding door is thus unlocked.

In a further development of the sliding door, the bolt is connected to the door leaf in such a way that the bolt remains in its locked position when it is pressed in the direction normal to the plane of the door leaf in the second space, essentially in the direction normal to the plane of the door leaf against the closed door leaf. Consequently, it is ensured that a person who is in the non-private space at the sliding door cannot unlock this sliding door simply by pressing against the door leaf. Consequently, the privacy or security within the private space, that is, the first space, is ensured. In a further development of the sliding door, a static spring element fixed to the bolt or to the door frame is arranged between the door frame and the bolt in such a way that the bolt is pressed into its locked position. In this way it can be ensured that the sliding door is securely locked in its closed position, without additional measures having to be taken, that the bolt engages the sliding door securely in the bolt catch. This is necessary in particular because the latch for unlocking or locking executes a pivoting movement in the horizontal plane and therefore cannot fall into its locked position triggered by gravity.

In a further development of the sliding door, the door leaf can be moved via a link lever forming a parallelogram guide system in such a way that a distance between the door leaf and the latch, measured in the direction normal to the plane of the door leaf, can be changed in such a way that this distance does not correspond to the closed position of the sliding door Position of the sliding door is less than the measured distance in the closed position of the sliding door, each of the link levers extending from the door leaf, starting from the latch, proportionately in the opening direction of the sliding door. Accordingly, both unlocking and movement of the door leaf in the opening direction can be achieved by pressing or displacing the door leaf with a force directed essentially in the direction of a normal to the plane of the door leaf. In the closed position of the sliding door, the door leaf can therefore be aligned with the wall elements located at the side of the door opening and can be pushed behind the corresponding wall element from the perspective of the user during an opening of the sliding door.

Such a sliding door comprising the parallelogram guide system preferably comprises a second door leaf, which second door leaf is arranged on the side of the bolt, the second door leaf remaining in its locked position when the closed second door leaf is pressed in the second space in the direction normal to the plane of the door leaf.

For example, international application PCT/EP2020/055411 describes such a sliding door, in which the door leaf can be moved via link arms forming a parallelogram guide system, the disclosure of which is incorporated herein by reference. As an alternative to the parallelogram guide system, the door leaf or the door leaves can also be guided on, preferably telescopic, linear guide systems. Such linear guide systems can be designed, for example, as a round rod in a bore, or as a linear ball bearing.

In a development of the sliding door, the door frame has a second latch bolt, which second latch bolt is arranged on the bolt side on the first latch bolt, so that the bolt is arranged essentially centrally between the first and second latch bolts. Accordingly, the position of the bolt can be changed in such a way that the bolt engages with the second bolt catch instead of the first when the sliding door is in the locked position. In this way it can be achieved that the sliding door can be unlocked by pressing it from the second space instead of from the first space as before. Before the sliding door is installed, such a change in the position of the bolt can cause the sliding door that is installed later to open in the opposite direction. In addition, such a second bolt latch can be used to press the bolt into interaction, for example by means of the spring element of the first bolt latch.

In addition, the bolt can be pre-installable in a third position in such a way that no engagement of the bolt with the or one of the bolt catches, which locks the sliding door, is enabled. In this way, the function of the locking device can be overridden. If a spring element as described above is present, its effect can also be overridden.

Preferably, the first and second deadbolts may be formed as an integral member to facilitate installation of the locking device within the door frame.

In a further development of the sliding door, the bolt has a recess, the sliding door being locked in its closed position when the bolt latch engages in the recess of the bolt, the bolt having a contact surface designed as a flank, which contact surface comes into contact with the bolt latch. when the bolt is moved in the opening direction of the sliding door, and the contact surface has a phase angle trains. In this way, the bolt can be changed in its position in such a way that, with a simple arrangement, the sliding door can be unlocked by moving the door leaf from the first room. By means of a contact surface designed as such a flank, it is possible for an electric drive acting exclusively in the opening direction of the at least one door leaf to be able to move the sliding door from its closed position into an opening movement or to move the at least one door leaf out of its unlocked position without the sliding door has to be unlocked using an additional drive. This means that no additional device is required to displace the bolt perpendicularly to a door opening or closing direction of the sliding door in order to effect unlocking.

In a development of the sliding door, the link lever forms an acute angle to the plane of the door leaf, the acute angle being greater than the phase angle. In this way it can be achieved that the door leaf cannot be brought out of its unlocked position if a pressure is applied in the direction normal to the plane of the door leaf in the second room, essentially in the direction normal to the plane of the door leaf against the closed door leaf, but the door leaf is nevertheless pushed out of its unlocked position by means an electric drive acting exclusively in the door opening direction can be brought.

The invention is explained in more detail below with reference to figures. They show: FIG. 1: an external view of a sliding door installed in a door opening;

FIG. 2 shows a horizontal section of the sliding door shown in FIG. 1;

FIG. 3A: a first embodiment variant of a locking device of the door; FIG. 3B: a second embodiment variant of the sliding door.

Figure 1 shows a sliding door 2. The sliding door 2 includes a door frame 12 which includes wall elements. A door opening 4 is recessed within these wall elements. The sliding door 2 also includes at least one door leaf 6 which can be moved in a closing or opening direction SR shown in FIG. The door opening 4 and the door frame 12 are bounded by a floor 5 at their respective lower ends. The sliding door 2 is shown in a partially open position, so that the door panel 6 is partially covered by the door frame 12 . Correspondingly, the edges of the door leaf that are covered by the door frame 12 are represented by dashed lines. Next A locking device 8, 10 of the sliding door 2 is indicated in addition to a large number of other components of the sliding door that are not shown. The locking device 8, 10 comprises a bolt 8 and a bolt catch 10. The bolt 8 can be arranged above the door opening 4 connected to the door leaf 6. Alternatively, the bolt 8 can be arranged at the lower end of the door leaf 6 or between the upper and lower ends. In a corresponding manner, the bolt catch 10 is arranged at the lower end of the door frame 12 in order to be able to interact with the bolt 8 in the closed position of the door leaf 6.

FIG. 2 shows a horizontal section of an exemplary sliding door 2 in its closed position. The door panel of the sliding door 2 is in its locked position. With regard to structural features of the embodiment shown in FIG. 2, reference is made to the description of the figures in the international application PCT/EP2020/055411. The decisive difference in FIG. 2 compared to this earlier international application is the locking device 8, 10 , which elements interact in the manner described in accordance with PCT/EP2020/055411.

In addition, the exemplary sliding door includes a locking device 8, 10, 10', wherein the bolt 8 can be fixed to the support frame 9 and can interact with bolt catches 10, 10'. The bolt 8 and the bolt catches 10, 10' are arranged at the same height, with the bolt 8 being arranged between the bolt catches 10, 10' when the sliding door 2 is in the closed position. Consequently, it is possible for the bolt 8 to be fixed in advance in two different positions, so that the bolt 8 can interact with one of these bolt catches 10, 10' in an engaging manner, locking the sliding door. If necessary, during installation of the sliding door, the bolt 8 can be repositioned by rotating it through 180° about an axis arranged parallel to the closing or opening direction SR, so that the bolt 8 in the locked position of the sliding door 2 instead of in the first bolt latch 10 in the second bolt latch 10' engages.

As an alternative to this, the second latch bolt 10', with which second latch bolt 10' the bolt 8 does not engage in the locked position of the sliding door 2, can be replaced by any element of the door frame 12. As a further alternative, the second latch bolt 10' can be omitted. FIG. 3A shows a detail of FIG. In order to support the latching of the bolt 8 in the bolt latch 10, a spring element 22 can interact with a component 10' of the door frame on the opposite side of the recess 20, so that the bolt 8 interacts with the recess 20 of the bolt latch 10 in such a way that the Sliding door is in its locked position. Optionally, this component 10' can be formed by a second latch bolt 10'.

The bolt 8 can be detachably fixed to the support frame 9 in such a way that the arrangement of the bolt 8 can be changed by rotating it through 180° about the axis arranged parallel to the closing or opening direction. Correspondingly, the recess 20 can also interact with the second bolt latch 10'.

For the purpose of locking when the sliding door is closed, the bolt 8 can have a bevel on its front edge 11, which, when the electric drive acts only in the closing direction S, causes the bolt 8 to be deflected by the bolt latch 10 and consequently when the sliding door is completely closed is converted into its locked position by snapping back the bolt 8 .

The lock can be released by means of a force PI acting on the support frame 9, which acts essentially in the direction normal to the door leaf plane, i.e. by moving the bolt 8, the recess 20 of the bolt 8 can be released when the door is opened or closed. Closing movement SR does not interact with the bolt latch 10. After unlocking, the sliding door can be opened.

On the other hand, if a force P2 directed counter to the force PI acts on the support frame 9, the bolt 8 is pressed into the bolt latch 10. Accordingly, the locking is not released, so that the sliding door remains in its locked position. Both the force P1 and the force P2 can be brought about by pressing on the corresponding door leaf essentially in the direction of the normal to the plane of the door leaf. FIG. 3B shows an embodiment variant of a locking device that is an alternative to FIG. 3A. The bolt 8 shown in FIG. 3B has a recess 20 with a contact surface 40 designed as a flank. The contact surface 40 forms a phase angle b. If the bolt 8 connected to the door leaf support frame is moved in a driven manner in the opening direction of the door, the bolt 8 can slide out of the locking position.

A force PI acting on the door leaf, which triggers unlocking, acts on the door leaf 6. The link lever 30.1, 30.2 mounted on the support frame 9 forms an acute angle with the support frame 9 in the closed position or locked position of the sliding door. Accordingly, the force acting essentially in the direction of the normal of the door leaf acts on the support frame in the opening direction O of the sliding door. This means that only the force P 1 acting essentially in the direction normal to the door leaf plane TE brings about both unlocking and a subsequent opening movement of the sliding door.

If, on the other hand, a force P2 acting essentially in the direction normal to the door leaf plane TE acts on the second door leaf 6', i.e. a force, locking of the sliding door is ensured if a between the link lever 30.3', 30.4' and the door leaf plane TE trained acute angle a is greater than the phase angle b. If, on the other hand, the phase angle b were greater than the acute angle a, there would be a risk that a force exerted on the second door leaf 6' could unlock the sliding door, so that a private space behind the closed or locked sliding door would no longer be secure.

Claims

- 9 - Claims

1. Sliding door (2) with a bolt (8) that can be moved in the closing and opening direction (SR) of a door leaf (6) of the sliding door (2), the sliding door (2) separating a first room from a second room in its closed state, and a door frame comprising a bolt catch, the bolt (8) engaging in the bolt catch when the door leaf (6) is in the closed state, and the engagement by displacing the door leaf (6) and thus the bolt in the direction normal to the plane of the door leaf (TE) is solvable.

2. Sliding door (2) according to claim 1, wherein the bolt is connected to the door leaf (6) in such a way that releasing the bolt (8) in the direction normal to the plane of the door leaf (TE) by pressing in the first space essentially in Direction of the normal of the door leaf level against the closed door leaf (6) can be effected.

3. Sliding door (2) according to one of the preceding claims, wherein the bolt is connected to the door leaf (6) in such a way that the bolt (8) can be pushed essentially in the direction of the normal by pressing in the direction of the normal to the door leaf plane in the second space the door leaf level against the closed door leaf (6) remains in its locked position.

4. Sliding door (2) according to any one of the preceding claims, wherein a static spring element fixed to the bolt or to the door frame is arranged between the door frame and bolt in such a way that the bolt is pressed into its locked position.

5. Sliding door (2) according to one of the preceding claims, wherein the door leaf (6) can be moved via a link lever (30.1, 30.2, 30.3', 30.4') forming a parallelogram guide system such that a direction normal to the door leaf plane (TE ) measured distance between the door leaf (6, 6') and the bolt (8) can be changed in such a way that this distance is smaller in a position of the sliding door (2) that does not correspond to the closed position of the sliding door (2) than the measured distance in the Closed position of the sliding door (2), each of the link levers (30.1, 30.2, 30.3', 30.4') extending proportionally from the door leaf (6) to the bolt (8) in the opening direction of the sliding door (2).

Sliding door (2) according to claim 5, comprising a second door panel (6'), the second door panel (6') being arranged on the side of the latch (8), the second door panel (6') being pushed by a pressing performed in the second space remains in its locked position against the closed second door leaf (6') in the direction normal to the plane of the door leaf.

7. Sliding door (2) according to one of claims 5 and 6, the door frame (12) having a second latch (10'), which second latch (10') is arranged on the side of the latch (8) with respect to the first latch (10). , so that the bolt (8) is arranged essentially centrally between the first and the second bolt latch (10, 10').

8. Sliding door (2) according to one of claims 5 to 7, wherein the bolt (8) has a recess (20), the sliding door (2) being locked in its closed position when the bolt catch (10) is inserted into the recess (20 ) of the bolt (8), the bolt (10) having a contact surface (40) designed as a flank, which contact surface (40) comes into contact with the bolt latch (10) when the bolt (8) is in the opening direction (O) of the sliding door (2) is moved, and the contact surface (40) forms a phase angle (b).

9. Sliding door (2) according to claim 8, wherein the link lever (30.1, 30.2, 30.3', 30.4') forms an acute angle (a) to the door leaf plane (TE), the acute angle (a) being greater than the phase angle (b ) is.