EP2885474B1 - Sliding door closing system of a piece of furniture - Google Patents

Description

The present invention relates to a sliding door closure system of a piece of furniture according to the preamble of claim 1.

Locking systems for sliding door furniture are known in numerous variants of the prior art. For example, from the DE 20 2006 902 808 A1 a flap latch closure is known in which by rotating a rotary cylinder, a flat slide is moved linearly, which in turn moves a folding latch from a folded into a flared, a displacement of the sliding doors of the sliding door furniture locking position.

From the US 1 719 203 A a folding latch closure is known having a rotary cylinder mounted on an end face of one of the sliding doors, wherein on the rotary cylinder a locking bolt extending radially to the axis of rotation of the rotary cylinder is mounted, which in a locking position is fastened in a T-shaped slot of a front sliding surface of the second sliding door Retaining plate engages.

Such Klappriegelverschlüsse have proven themselves, especially in sliding door furniture with relatively low wall thickness.

The problem with such sliding door lock systems is that by sliding or pushing the sliding doors perpendicular to the sliding door sliding door latch or latch bolt can be passed to the outside of the inner sliding door, so that a safe closing of the sliding door furniture is no longer guaranteed.

Object of the present invention is to provide a sliding door locking system of a piece of furniture with at least two sliding on at least partially parallel running tracks sliding doors, which causes an improved lock.

This object is achieved by a sliding door lock system with the features of claim 1.

The sliding door lock system according to the invention according to claim 1 has a locking cylinder arranged on an outer sliding door with a Rotary handle, a cylinder housing and integrated therein about a first axis of rotation, rotatable with the rotary knob on and on a lock housing by turning the cylinder core about a second axis of rotation perpendicular to the first axis of rotation pivotally mounted folding latch, wherein the folding latch in a closed position with a stop edge a fastened to an inner sliding door stop abuts. The stop extends from a front side of the inner sliding door running perpendicular to the direction of displacement to a front side of the inner sliding door facing the outer sliding door. The thickness of the stop in the region of the outer sliding door facing front side of the inner sliding door is at least partially dimensioned such that a gap between the sliding doors standing in front of each other is at least partially hidden.

By the at least partially covering the gap between the two sliding doors on the one hand, a manipulative intervention in the gap difficult, secondly, the inner sliding door is additionally stabilized in the stop by the stop and thus complicates a bending of the inner sliding door perpendicular to the direction of displacement and Front side of the inner sliding door.

Advantageous embodiments of the invention are the subject of the dependent claims.

According to an advantageous embodiment, one or more the gap between the sliding doors standing at least partially concealing web or concealing webs are formed on the outer sliding door side facing the stop, which may be formed, for example, as a single parallel to the longitudinal extension of the stop extending web or for example in the form of a plurality of parallel to the direction of the door aligned webs.

To dampen an impact of the inner sliding door on a furniture wall, it is provided according to a preferred embodiment, to be mounted on the end face to be attached to the stop side of at least one damping spring element.

In order to control the folding latch, the lock cylinder is preferably coupled in a rotationally fixed manner to a drive device driving the folding latch, which preferably acts as a cylinder element coupled coaxially to the lock cylinder a recessed into the cylinder jacket control cam is formed, in which engages a guide arm attached to the folding latch. As a result, a functionally reliable pivoting in and out of the hinged latch is ensured from a release position into the locking position and back.

According to a further advantageous embodiment of the lock cylinder is designed as a change-locking cylinder with replaceable cylinder core. As a result, when the sliding door lock system is installed, a simple replacement of the cylinder core is possible, for example in the course of a user change of a sliding door furniture in which the user is to receive another key for opening and closing the sliding door locking system.

According to a further advantageous embodiment variant, the lock cylinder can be locked or unlocked both by a key which can be inserted into a key channel of the cylinder core and by a combination lock. This makes it possible that the locking system is preferably locked or unlocked via the combination lock and is operated only in an emergency by the insertable into the key channel key.

Figur 1

eine perspektivische Ansicht von Ausschnitten einer äußeren und einer inneren Schiebetür mit darin bzw. daran angeordneter Ausführungsvariante eines erfindungsgemäßen Schiebetürverschlusssystems in einer Öffnungsposition;

Figur 2

eine Ansicht auf die Rückseite der Schiebetür und dem daran angeordneten Schiebetürverschlusssystem gemäß der Figur 1;

Figur 3

eine Draufsicht auf die Schiebetüren und das daran angeordnete Verschiebetürverschlusssystem der Figur 1;

Figuren 4 und 5

stirnseitige Ansichten auf die Schiebetüren und das daran angeordnete Schiebetürverschlusssystem in der Öffnungsposition;

Figuren 6 bis 10

den Figuren 1 bis 5 entsprechende Darstellungen der Schiebetüren und des darin angeordneten Schiebetürverschlusssystems in einer Schließposition des Schiebetürverschlusssystems;

Figuren 11 bis 14

unterschiedliche Ansichten des in einem Schlossgehäuse untergebrachten Teils des Schiebetürverschlusssystems und

Figuren 15 bis 18

verschiedene Ausführungsvarianten eines erfindungsgemäßen Anschlags des Schiebetürverschlusssystems.

Hereinafter, preferred embodiments of the invention will be explained in more detail with reference to the accompanying drawings. Show it:

FIG. 1

a perspective view of sections of an outer and an inner sliding door arranged therein or therewith embodiment of a sliding door lock system according to the invention in an open position;

FIG. 2

a view of the back of the sliding door and the sliding door lock system arranged thereon according to the FIG. 1 ;

FIG. 3

a plan view of the sliding doors and arranged thereon sliding door lock system of FIG. 1 ;

FIGS. 4 and 5

front views of the sliding doors and the sliding door lock system arranged thereon in the open position;

FIGS. 6 to 10

the FIGS. 1 to 5 corresponding representations of the sliding doors and the sliding door lock system disposed therein in a closed position of the sliding door lock system;

FIGS. 11 to 14

different views of the housed in a lock housing part of the sliding door lock system and

FIGS. 15 to 18

various embodiments of a stop according to the invention of the sliding door lock system.

In the following description of the figures, terms such as top, bottom, left, right, front, back, etc. refer exclusively to the example representation and position of the sliding door closure system, the hinged latch, the stop and the like chosen in the respective figures. These terms are not meant to be limiting, i. through different working positions or the mirror-symmetric design or the like, these references may change.

The FIGS. 1 to 5 show a preferred embodiment of a sliding door closure system according to the invention, which essentially comprises a lock encompassed by a lock housing 3 and a stop 8.

The one or more parts designed lock housing 3 is installed in a stepped recess 11 of an outer sliding door 1, while the stop 8 attached to a relative to the furniture considered inner sliding door, preferably screwed with screws 81.

The preferably consisting of a metal sheet with legs arranged at right angles to each other stop 8 extends in a mounted on the inner sliding door 2 state of a perpendicular to a direction x extending end face 21 of the inner sliding door 2 to the outer sliding door 1 facing front side 22 of the inner Sliding door 2 and serves as a stop for a arranged on the lock housing 3 folding latch 5, in the in the FIGS. 1 to 5 shown fully seated in the recess 11 of the outer sliding door 1 and in a locked or closed position of the sliding door lock system, as shown in the FIGS. 6 to 10 is shown with a stop edge 53 on the stop 8 and thereby prevents a displacement of the inner sliding door 2 in the direction of the outer sliding door 1 and a displacement of the outer sliding door 1 in the direction of the inner sliding door 2.

As in FIG. 3 and in particular in FIG. 12 can be seen, the housed in the lock housing 3 part of the sliding door lock system has a lock cylinder with rotary handle 7 with a cylinder housing 71 and a rotatable about a first axis of rotation A cylinder core 72, wherein the lock cylinder is formed in a preferred embodiment as a change-locking cylinder, in which the cylinder core 72 in a simple manner, without having to remove the cylinder housing 71, is interchangeable. A firmly in the lock cylinder integrated cylinder core is also conceivable.

For pivoting the folding latch 5 from its in FIG. 1 shown opening position in the in FIG. 6 shown locking position of the lock cylinder with rotary handle 7 with the integrated cylinder core 72 is rotatably coupled to the folding latch 5 driving device 4. This drive device 4 is preferably designed as a coaxially coupled to the rotary handle 7 cylinder element with a recessed in the cylinder jacket cam 41 into which a fixed to the folding latch 5 guide arm 52, as for example in FIG. 6 easy to recognize, intervenes.

For the pivotable arrangement of the folding latch 5 on the lock housing 3, at least one further guide arm 54 is provided on the folding latch 5, which forms a pivot joint together with an integrally formed on a fastening web of the lock housing 3 receptacle 33. As in FIG. 11 For further stabilization, a further guide arm 54 and a further receptacle 33 are preferably provided on the lock housing 3 in order to illustrate the pivotal movement of the hinged latch 5 about a second rotation axis B (which is perpendicular to the first axis of rotation A about which the rotary handle 7 is rotatable) in FIG. 2 ). Such as in FIG. 6 is shown, in the closed position of the sliding doors 1, 2 of the inner sliding door near corner of the hinged latch 5, a scratch protection element 55 is attached to scratch the inner sliding door 2 in an attempt, despite slightly swung out folding latch 5, the sliding doors against each other move, avoid. The scratch protection element 55 protrudes slightly, in particular in the millimeter range, beyond the corner of the hinged latch 5 and is at least in the contact area with the inner sliding door 2 made of a material that is softer than the surface of the inner sliding door 2. For example, the scratch protection element 55 is designed as a rotatably mounted on the folding latch 5 wheel, which is at least circumferentially made of plastic or rubber.

In particular in the FIGS. 11 to 14 shown preferred embodiment, the lock housing 3 consists of a first housing part 31 and a second housing part 34, wherein the lock cylinder 7 in the first housing part 31, which is arranged on a side facing away from the inner sliding door 2 of the outer sliding door 1, is added. The folding latch 5 is accommodated here in the second housing part 34, which is arranged on a side of the outer sliding door 1 facing the inner sliding door 2, wherein the two housing parts 31, 34 are fastened to one another, in particular screwed or latched together. The two-part design allows easy clamping of the lock housing 3 in sandwich construction in the stepped recess 11 of the outer sliding door first

The cam 41 is preferably formed so that a rotation of the rotary handle 7 with the integrated cylinder core 72, preferably by 90 ° or 180 °, pivoting the hinged latch 5 from a in FIG. 1 shown vertical position in an in FIG. 6 shown protruding from the recess 11, pivoted out position causes. The pivoting angle of the folding latch 5 is dependent on the selected axle geometry and is preferably between 45 ° and 90 °. In this pivoted blocking position, the folding latch 5 protrudes so far into the track of the inner sliding door 2 that the stop face 53 of the folding latch 5 engages over at least half the width of the end face 21 of the inner sliding door 2.

In order to keep the length of the guide arm 52, which engages in the control cam 41 of the drive device 4, as short and thus stable, the latch 5 facing the end face of the drive element 4 formed as a cylinder element is approximately flush with the stop 8 facing surface of the folding latch fifth , wherein the folding latch 5 is provided with an opening 51 into which the cylinder element designed as a drive device 4 protrudes in the open position of the folding latch 5.

As in the Figures 2 . 7 and 14 can be clearly seen, the split lock housing 3 is preferably screwed together within the stepped recess 11 by screws 9 to the outer sliding door 1.

As further in FIG. 2 is shown, the sliding door lock system is preferably additionally provided with a combination lock 6, via which actuation of the lock cylinder with rotary handle 7 with the integrated cylinder core 72 by turning after entering the correct numerical code on the combination lock wheels 6 is actuated. The combination lockwheels 6 are preferably received in recesses of a cover plate 32 of the lock housing 3. This makes it possible that the sliding door lock system is normally secured by the combination lock wheels 6 of the combination lock and can only be opened if necessary via a plug in a keyway 73 of the cylinder core 72 key with appropriate coding by rotation.

Finally, in the FIGS. 15 to 18 different variants of the stop 8 shown. The stopper 8 can optionally, as it is in FIG. 15 is shown to be fixed on the outside 22 of the inner sliding door 2. For this purpose, bores 86 are provided on the front side 84 of the stop 8 to be applied to the outside 22, into which screws 81 can be inserted, with which the stop 8 can be screwed to the sliding door 2.

Alternatively, the stop 8 may also be fixed to the end face 21 of the inner sliding door 2, wherein corresponding bores 86 are then introduced into the end face 83 of the stop 8.

As further in the FIGS. 15 to 18 is shown, on the outer sliding door 1 side facing 84 of the stopper 8 one or more the gap S between the sliding doors 1, 2 at least partially concealing web 85 or concealing webs 85 formed integrally. These webs 85 may be formed, for example, as a circle-shaped elevation, as in FIG. 15 is shown, or as in FIGS. 16 and 17 can be seen, be provided with rising to the front side 83 sloping slopes, which merge into parallel to the front side 84 of the stop 8 flats.

In a further alternative embodiment, instead of the parallel to the direction of the sliding doors 1, 2 aligned several, here three webs 85, a single web 85 is provided, which is aligned parallel to the longitudinal extent of the stopper 8 and thus represents a continuous thickening of the front side 84 of the stopper 8 ,

As well as in the FIGS. 17 and 18 In a preferred embodiment of the stops 8, at least one spring element 82 which damps an impact of the stop 8 on a furniture wall is arranged on the side of the stop 8 to be attached to the end face 21. At the in FIGS. 17 and 18 shown variants are each provided two such spring elements 82 at the top and bottom of the stopper 8, which are designed in particular as resilient tongues, wherein in the region of the free end of the tongue damper 821, preferably made of an elastic material such as rubber or a foam, integrated or on the Tongues are arranged on the one hand to cushion mechanical damage and on the other hand excessive noise or dampen. It is also conceivable to make the stop 8 with integrated spring element 82 made of a material with a corresponding restoring behavior.

LIST OF REFERENCE NUMBERS

1

sliding door

11

recess

2

sliding door

21

front

22

front

23

back

24

countersink

3

lock housing

31

first housing part

32

cover plate

33

admission

34

second housing part

4

driving device

41

cam

5

folding lock

51

opening

52

guide

53

stop surface

54

guide

55

Scratch protection element

6

Combination lock wheels

7

lock cylinder

71

cylinder housing

72

cylinder core

73

keyway

74

drive pin

8th

attack

81

screw

82

spring element

821

damper

83

front

84

front

85

web

86

drilling

9

screw

X

displacement direction

A

axis of rotation

B

axis of rotation

L

Length of the stop surface

S

gap

d

web thickness

Claims (9)

1. A sliding door closure system of a piece of furniture comprising at least two sliding doors (1, 2) displaceable on at least two runways extending at least partially in parallel to one another, having

   - a lock cylinder (7), which is arranged on an outer sliding door (1), comprising a rotating handle, a cylinder housing (71), and a cylinder core (72), which is integrated therein about a first axis of rotation (A) and is rotatable using the rotating handle,

   - a folding hasp (5), which is arranged on a lock housing (3) so it is pivotable about a second axis of rotation (B) perpendicular to the first axis of rotation (A) by rotating the cylinder core (72),

   characterized in that

   - the folding hasp (5) bears in a closed position with a stop edge (53) on a stop (8) fastenable on an inner sliding door (2),

   - wherein the stop (8) extends from an end face (21) of the inner sliding door (2) extending perpendicularly to the displacement direction (x) to a front side (22) of the inner sliding door (2) facing toward the outer sliding door (1),

   - wherein the thickness (d) of the stop (8) is dimensioned at least in sections in the region of the front side (22) of the inner sliding door (2) facing toward the outer sliding door (1) such that a gap (S) between the sliding doors (1, 2) standing one in front of another is at least partially concealed.
2. The sliding door closure system according to Claim 1, characterized in that one or more webs (85), which conceal the gap (S) between the sliding doors (1, 2) standing one in front of another at least in sections, are formed on the side of the stop (8) facing toward the outer sliding door (1).
3. The sliding door closure system according to Claim 1 or 2, characterized in that at least one spring element (82), which damps an impact of the stop (8) on a furniture wall, is arranged on the side of the stop (8) to be attached on the end face (21).
4. The sliding door closure system according to any one of the preceding claims, characterized in that the cylinder core (72) is coupled in a rotationally-fixed manner to a drive device (4) which drives the folding hasp (5).
5. The sliding door closure system according to Claim 4, characterized in that the drive device (4) is designed as a cylinder element, which is coupled coaxially to the cylinder core (72), comprising a control curve (41) incorporated into the cylinder casing, in which a guide arm (52) fastened on the folding hasp (5) engages.
6. The sliding door closure system according to any one of Claims 4 or 5, characterized in that the folding hasp (5) has at least one further guide arm (53), which forms a pivot joint together with a receptacle (33) formed on a lock housing (3).
7. The sliding door closure system according to any one of the preceding claims, characterized in that the lock cylinder is designed as a replaceable lock cylinder comprising replaceable cylinder core (72) or comprising a cylinder core (72) permanently integrated into the cylinder housing (71).
8. The sliding door closure system according to any one of the preceding claims, characterized in that the lock housing (3) is formed in two parts, wherein the lock cylinder (7) is accommodated in a first housing part (31), which is arranged on a side of the outer sliding door (1) facing away from the inner sliding door (2), and wherein the folding hasp (5) is accommodated in a second housing part (34), which is arranged on a side of the outer sliding door (1) facing toward the inner sliding door (2), wherein the two housing parts (31, 34) are fastened on one another.
9. The sliding door closure system according to any one of the preceding claims, characterized in that the lock cylinder (7) is lockable and unlockable both by a key insertable into a key channel (73) of the cylinder core (72) and also by a combination lock (6).

Images