EP2573312B1 - Cord lock - Google Patents

Description

The invention relates to a cord lock for a shading system with a bearing which is pivotable about a perpendicular to a shading aligned bearing axis, and with a holding element for releasably holding at least one cord, wherein the holding element is pivotable about an aligned parallel to the shading axis of rotation.

Such a cord lock is from the EP 0 693 613 A1 known. Here, a separate housing is mounted pivotably about a perpendicular to a side surface of a rail end piece or to a shading plane, aligned axis. For the pivotability, the separate housing has a pivot pin as the bearing, which engages in an opening of the rail end piece. Below the pivot pin or bearing and in the separate housing, a conventional lock mechanism is provided, which provides a pivoting about a parallel to the side surface or to the shading plane aligned axis.

The disadvantage here is that due to the separate housing in which a conventional lock mechanism is arranged, a lot of space is needed. In addition, the patch on the guide rail and / or the rail end piece separate housing can act clunky or unaesthetic.

Similar pivot locks also show the pamphlets DE 10 2006 001 604 A1 and DE 298 16 846 U1

It is the problem underlying the invention, a cord lock of the type mentioned in such a way that with high functionality and reliability at the same time a compact and aesthetically pleasing design is possible.

To solve the problem underlying the invention, the cord lock of the type mentioned is characterized in that the axis of rotation of the retaining element is disposed within the bearing, wherein the pivotability about the axis of rotation with the pivoting about the bearing axis is structurally and / or spatially combined.

It is advantageous that due to the arrangement of the axis of rotation of the holding element in the region of the bearing, in particular within the camp, much more compact and at the same time reliable in operation designs are possible. In particular, a separate housing for receiving a lock mechanism is dispensable. The pivotability about the axis of rotation is structurally and / or spatially combined with the pivotability about the bearing axis.

In the context of the present invention, an axis, in particular a rotation axis and / or bearing axis, is preferably to be understood as meaning a materially formed and / or a virtual axis. Preferably, a shadow plane is to be understood as meaning the plane that is predetermined and / or clamped on the basis of a shading element associated with the shading system, in particular a pleated fabric and / or blinds. The bearing axis may be aligned with a side surface and / or front side of a guide rail and / or a rail end piece. Preferably, the guide rail is designed to guide the at least one cord. One or more cords may be provided. In addition, the guide rail can be provided for fastening the shading system, in particular on a wall, a ceiling and / or a lintel. In particular, the shading element is arranged in the installed state of the shading system below the guide rail. Preferably, the axis of rotation is aligned parallel to the side surface of the guide rail and / or the rail end piece. The rail end piece may be formed as a termination piece for one end of the guide rail. Furthermore the cord lock, in particular in the formation of a mortise lock, can be introduced into an opening in the guide rail and / or the rail end piece. In particular, the opening of a side surface and / or a front side of the guide rail is assigned. Preferably, the, in particular circular, opening can be produced by means of a punching device.

According to a further embodiment, the axis of rotation and the bearing axis are arranged in a common, in particular at right angles to the shading plane and / or side surface aligned plane. As a result, a particularly compact and at the same time functional design can be realized.

The holding member may cooperate with a holding means for releasably holding the cord between the holding member and the holding means. In particular, the at least one cord can be clamped between the holding means and the holding element. The retaining element is in a closed position or a holding position when the cord between the retaining element and the retaining means is firmly held. If the cord is not firmly held between the retaining element and the retaining means, the retaining element is in an open position or actuation position. In particular, in the operating position of the holding element, the shading system, preferably the shading element in the shading level, adjustable by means of the cord.

Preferably, the holding means is associated with the bearing. As a result, the holding means is also twisted and / or pivoted during a rotation and / or pivoting of the bearing about the bearing axis. In particular, the holding means is aligned with respect to its longitudinal orientation parallel to the axis of rotation. The bearing is thus rotatable and / or pivotable together with the axis of rotation and the holding means. Regardless of a rotation and / or pivoting of the bearing, the spatial orientation of the holding means with respect to the axis of rotation of the holding element, and in particular the holding element remains the same. Preferably, a rotation and / or pivoting of the bearing takes place due to an actuation of the cord. In this case, in particular the orientation of the axis of rotation and / or of the holding means to the pulling direction of the cord remains the same. As a result, a permanently reliable functionality of the cord lock is improved.

According to a development, the holding means is arranged within the bearing. As a result, the formation of a compact design is further favored. The holding means may be formed as a pin firmly connected to the bearing. Such a pin can be very easily fastened by means of holes in the camp. Preferably, the pin has a clamping edge and / or clamping surface. The pin, the clamping edge and / or the clamping surface may be formed of metal, non-ferrous metal or plastic.

According to a further embodiment, the holding element has a cord guide. In particular, the cord is associated with the retaining element due to the cord guide. Preferably, due to the line guide an actuation of the holding element by means of the cord can be realized in a reliable manner. The holding element may be formed as a clamping lever. Due to the leverage effect, a sufficient clamping force for clamping the cord between the clamping lever and the holding means is thereby realized at low operating forces.

The bearing can be fastened by means of a latching connection and / or plug connection in an opening in a side surface of a guide rail and / or a rail end piece. As a result, the bearing and / or the cord lock can be mounted particularly easily and quickly on a guide rail and / or a rail end piece. Preferably, the opening is formed as a bore.

Furthermore, the bearing can be formed in one piece or in two parts. In a one-piece or one-piece design of the bearing, the bearing is preferably introduced from the outside into the opening. In a two-piece or two-part design of the bearing preferably a first part of the bearing from the outside and a second part of the bearing are introduced from the inside into the opening for mounting the bearing in the opening. In particular, the first part and the second part can be connected to one another by means of a plug connection and / or a screw connection.

According to a development, the bearing on a breakthrough for performing the cord. As a result, the at least one cord can be guided out of the guide rail and / or the rail end piece to the outside. Further, the bearing may be formed as a rotatable about the bearing axis bearing ring. Preferably, the axis of rotation of the retaining element is arranged in the bearing ring. This makes a particularly compact and functional design feasible.

According to a further embodiment, the holding element and / or the bearing is pivotable about the bearing axis by 360 °, in particular by 180 °. As a result, the cord lock is conveniently operated by means of the cord at different angles. In addition, the cord and / or the cord lock can be aligned vertically at any installation angle when mounting the shading system. This results in an aesthetically pleasing sight can be realized. Preferably, a system angle is to be understood as meaning the angle which results in the installed state of the shading system between the guide rail and the horizontal. In particular, the cord lock for shading systems for shading a triangular opening and / or a circular cutout opening, in particular a quarter circle opening, is provided. In a circular opening and / or Quarter circle opening, in particular with a vertical reveal, the guide rail can be vertically, preferably on the vertical reveal, attached. Preferably, a movable, in particular veschwenkbares, shade profile is provided. The shading profile can be pivotally mounted for shading a quarter circle opening, for example, by 90 °, in particular in order to guide a shading element with the shading profile from a vertical position of the shading profile in a horizontal position of the shading profile and / or vice versa. In the vertical position of the shading profile, the shading profile is preferably arranged parallel to the guide rail.

Preferably, starting from the vertical alignment of the cord, in particular given a system angle of 0 °, a pivotability of 90 ° to the left and 90 ° to the right is given. Such a pivotability is sufficient for ease of use for shading systems, which are mounted with a conventional system angle from.

Of particular advantage is the use of a cord lock according to the invention with a shading system, in particular a pleated blind and / or a venetian blind. The orientation of the holding means with respect to the axis of rotation of the holding element remains the same at a pivoting of the bearing and / or holding element. The at least one string is always optimally aligned between the holding element and the holding means. As a result, high functionality and reliability is realized. In addition, a space-saving and / or aesthetic construction can be realized.

Fig. 1

eine perspektivische Seitenansicht eines Schieneendstückes mit einem erfindungsgemäßen Schnurschloss, und

Fig. 2

eine geschnittene Seitenansicht des Schienenendstückes mit dem erfindungsgemäßen Schnurschloss gemäß Fig. 1.

The invention will be explained in more detail with reference to the figures. Show it:

Fig. 1

a perspective side view of a Schienenendstückes with a cord lock according to the invention, and

Fig. 2

a sectional side view of the rail end piece according to the invention with the cord lock according to Fig. 1 ,

Fig. 1 shows a perspective side view of a rail end piece 10 with a cord lock according to the invention 11. The rail end piece 11 has a head side 12 and a side surface 13 facing away from the side surface 13, a further side surface 14 is arranged. The side surface 14 is formed here as a front side. In the side surface 13, an opening 15 and in the side surface 14, an opening 16 is introduced. The openings 15 and 16 are formed in the embodiment shown here as bores 15, 16.

The bore 16 is associated with the cord lock 11. In an alternative embodiment, the whisker 11 may be associated with the bore 15. The cord lock 11 has a bearing 17, which is designed here as a bearing ring 17. The bearing ring 17 is rotatable about 360 ° in the bore 16. By the bearing ring 17, at least one cord not shown here can be performed. In the embodiment shown here, the bearing ring 17 is locked by means of a locking connection, not shown here in the bore 16. As a result, the bearing ring 17 is connected at right angles to the side surface 14 fixed to the side surface 14, whereby falling out of the bearing ring 17 is prevented from the bore 16. At the same time, the latching connection allows a pivoting or rotation of the bearing ring 17 about a bearing axis, which is aligned at right angles to the side surface 14.

Furthermore, the cord lock 11 has a retaining element 18. The retaining element 18 is designed as a clamping lever 18 in the exemplary embodiment shown here. The clamping lever 18 is connected by means of a rotation axis 19 with the bearing ring 17. Here, the rotation axis 19 is arranged in the bearing ring 17. The axis of rotation 19 is positioned centrally to the bearing ring 17 or in the region of an axis of symmetry of the bearing ring 17. For receiving the rotation axis 19 bores are introduced into the bearing ring 17. Further, the axis of rotation 19 is aligned parallel to the side surface 14 with respect to its longitudinal orientation. The clamping lever 18 is rotatable or pivotable about the axis of rotation 19.

The bearing ring 17 is associated with a holding means 20, which is formed in the embodiment shown here as a pin 20. The pin 20 is aligned parallel to the axis of rotation 19. For attachment of the pin 20 with the bearing ring 17 holes in the bearing ring 17 are introduced. The clamping lever 18 and the pin 20 act to set or hold at least one cord not shown here in detail between the clamping lever 18 and the pin 20 together.

The clamping lever 18 has a cord guide 21. The cord guide 21 has a channel for one or more cords, wherein the channel is inserted into the clamping lever 18. Furthermore, the line guide 21 has a guide pin 22 on an end of the clamping lever 18 facing away from the bearing ring 17. Due to the guide pin 22 can be ensured that one or more cords are reliably held within the channel of the clamping lever 18.

The rail end 10 is inserted by means of a connecting piece 23 in one end of a guide rail not shown here.

Fig. 2 shows a sectional side view of the rail end piece 10 with the cord lock 11 according to the invention Fig. 1 , Same features as before bear the same reference numbers. In that regard, reference is also made to the preceding description.

A cord 24 is deflected within the rail end piece 10 by means of a deflection 25 in the direction of the cord lock 11. The cord 24 passes through an opening of the bearing ring 17 and between the clamping lever 18 and the pin 20 therethrough. Furthermore, the cord 24 is guided in a channel-like cord guide 21 of the clamping lever 18. An open side of the channel-like line guide faces the side surface 14, the bearing ring 17 and / or a shading plane. As an alternative to the one cord 24 shown here, a plurality of cords 24 may also be provided.

At a side facing away from the bearing ring 17 end of the clamping lever 18 of the guide pin 22 is arranged. Here, the guide pin 22 is spaced from a channel bottom of the channel-like line guide 21. The guide pin 22 is aligned parallel to the pin 20 with respect to its longitudinal orientation. The cord 24 extends through an opening 26, which is arranged in the region of the end facing away from the bearing ring 17 end of the clamping lever 18. The size of the opening 26 is determined by the position of the guide pin 22 and the distance between the channel bottom of the channel-like cord guide 21 and the guide pin 22.

The clamping lever 18 is located in the representation shown here in an open position or an actuating position. In this position, the cord 24 is not clamped between the clamping lever 18 and the pin 20. Rather, the cord 24 in the longitudinal direction of the cord 24 can be actuated and can be used for adjusting a shading system.

The pin 20 is positioned below the axis of rotation for the pivotability of the clamping lever 18. Above the axis of rotation of the clamping lever 18 has a stop 27. The stop 27 is formed in the embodiment shown here as a rounded stop surface. In the actuation position, the stop 27 abuts against the bearing ring 17. As a result, the maximum opening angle of the clamping lever 18 is limited. In the embodiment shown here, the maximum opening angle is 30 °. Alternatively, deviating opening angles are also conceivable, in particular in the range between 10 ° and 90 °. The opening angle refers to the angle between on the one hand the clamping lever 18 and / or the line guide 21 and on the other hand, the side surface 14 and / or a shading level. In a closed position, not shown here, or a holding position of the clamping lever 18, the opening angle is 0 °.

The bearing ring 17 engages by means of an annular latching nose 28 behind an inner surface of the side surface 14. This is a secure hold of the bearing ring 17 in the bore 16 guaranteed. In an alternative embodiment, the bearing ring 17 may be formed in two parts, wherein for mounting in the bore 16, a first part of the bearing ring 17 is inserted from the outside into the bore 16 and a second part of the bearing ring 17 is inserted from the inside into the bore 16. The first part and the second part are firmly connected to each other by means of a screw and / or snap connection.

Subsequently, the cord lock 11 according to the invention is based on the Fig. 1 and 2 explained in more detail:

In the holding position, the clamping lever 18 is aligned with an opening angle of 0 ° parallel to the side surface 14 and / or the shading plane. In this position, the cord 24 is clamped between the clamping lever 18 and the pin 20. If a shading system is now to be adjusted by actuating the cord 24, the cord 24 is grasped by a person and moved away from the shading system, the shading plane and / or the side surface 14. Here, the cord 24 takes the clamping lever 18 due to a contact between the cord 24 and the channel bottom of the channel-shaped cord guide 21, wherein the clamping lever 18 is pivoted about the axis of rotation 19. This pivotal movement about the axis of rotation 19 is limited by the stop 24, which abuts the bearing ring 17 at a predetermined opening angle.

In this operating position, the cord 24 between the clamping lever 18 and the pin 20 is released. Thus, the cord 24 can be actuated to actuate the shading system in the longitudinal direction of the cord 24. If the shading system is in the desired position, the cord 24 is moved again in the direction of the shading system, the shading plane and / or the side surface 14. Here, the clamping lever 18 is taken due to a contact between the cord 24 and the guide pin 22. The clamping lever 18 is pivoted about the axis of rotation 19 in the holding position, whereby the cord 24 is clamped between the clamping lever 18 and the pin 20.

In addition, the clamping lever 18 and / or the pin 20 together with the bearing ring 17 at any time pivotable about the bearing axis. For this purpose, a person grasps the cord 24 and pivots the cord together with the bearing ring 17 and / or the clamping lever 18 transversely to the longitudinal orientation of the cord 24 about the bearing axis. This ensures that the pin 20 is aligned with its clamping surface and / or clamping edge at any time at right angles to the cord 24. As a result, a durable and reliable operation of the cord lock 11 is considerably improved. In addition, due to the pivotability about the bearing axis, the cord 24 can be aligned vertically in a simple manner even at different installation angles.

As a result, a simple and reliable operation of the cord lock 11 and / or the shading system is given.

Reference numerals:

10

rail terminal

11

cord lock

12

head

13

side surface

14

side surface

15

opening

16

opening

17

camp

18

retaining element

19

axis of rotation

20

holding means

21

line guide

22

guide pin

23

joint

24

line

25

redirection

26

opening

27

attack

28

locking lug

Claims (9)

1. Cord lock for a shading unit with a bearing (17) that is pivotable about a bearing axis aligned orthogonally to a shading plane, and with a retaining element (18) for detachably clamping at least one cord (24), wherein the retaining element (18) is pivotable about a rotational axis (19) aligned parallel to the shading plane, characterised in that the rotational axis (19) of the retaining element (18) is arranged inside the bearing (17), wherein the pivotability about the rotational axis (19) is structurally and/or spatially combined with the pivotability about the bearing axis.
2. Cord lock according to claim 1, characterised in that the rotational axis and the bearing axis are arranged in a common plane that in particular extends orthogonally to the shading plane.
3. Cord lock according to claim 1 or 2, characterised in that the retaining element (18) cooperates with a retaining means (20) for detachably retaining the cord (24) between the retaining element (18) and the retaining means (20), wherein the retaining means (20) is preferably attached to the bearing (17) and/or the retaining means (20) with regard to its longitudinal extension is aligned parallel to the rotational axis (19).
4. Cord lock according to claim 3, characterised in that the retaining means is arranged inside the bearing (17) and/or that the retaining means (20) is designed as a pin that is fixedly connected with the bearing (17), wherein the pin preferably has a clamping edge and/or clamping surface.
5. Cord lock according to one of the preceding claims, characterised in that the retaining element (18) possesses a cord guide (21) and/or that the retaining element (18) is designed as a clamping lever.
6. Cord lock according to one of the preceding claims, characterised in that the bearing (17) is fixable by means of a snap-in connection and/or plug-in connection in an opening (15, 16) in a lateral surface (13, 14) of a guide rail and/or of an end piece of a rail, wherein the bearing (17) is preferably in a one-piece or two-piece design.
7. Cord lock according to one of the preceding claims, characterised in that the bearing (17) possesses an aperture for running the cord (24) through and/or that the bearing (17) is designed as a bearing ring that can rotate about the bearing axis.
8. Cord lock according to one of the preceding claims, characterised in that the retaining element (18) and/or the bearing (17) is pivotable through 360°, in particular 180°, about the bearing axis, wherein based on a vertical alignment of the cord (24) and/or of the retaining element (18), in particular for a unit angle of 0°, there preferably exists a pivotability of 90° to the right and 90° to the left.
9. Use of a cord lock (11) according to one of the preceding claims with a shading unit, in particular a pleated blind and/or a blind.

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