EP3845736A1 - Dispositif de verrouillage, dispositif de store à lamelles et procédé de fonctionnement du dispositif de verrouillage - Google Patents

Dispositif de verrouillage, dispositif de store à lamelles et procédé de fonctionnement du dispositif de verrouillage Download PDF

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Publication number
EP3845736A1
EP3845736A1 EP20000374.7A EP20000374A EP3845736A1 EP 3845736 A1 EP3845736 A1 EP 3845736A1 EP 20000374 A EP20000374 A EP 20000374A EP 3845736 A1 EP3845736 A1 EP 3845736A1
Authority
EP
European Patent Office
Prior art keywords
profile rail
locking
lamella
rail
slats
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20000374.7A
Other languages
German (de)
English (en)
Other versions
EP3845736C0 (fr
EP3845736B1 (fr
Inventor
Ingo Emil Merzweiler
Simon Göppert
Christian Baumann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
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Publication of EP3845736A1 publication Critical patent/EP3845736A1/fr
Application granted granted Critical
Publication of EP3845736C0 publication Critical patent/EP3845736C0/fr
Publication of EP3845736B1 publication Critical patent/EP3845736B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/325—Immobilising devices preventing raising
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/302—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable without ladder-tape, e.g. with lazy-tongs, with screw spindle
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/327—Guides for raisable lamellar blinds with horizontal lamellae

Definitions

  • the invention relates to a locking device for a plurality of slats, which are arranged together in a venetian blind device, a corresponding venetian blind device and a method for actuating the locking device for locking or unlocking the slats of such a venetian blind device according to the invention.
  • external venetian blinds for sun and heat protection outside windows
  • These external venetian blinds are also referred to as blinds (with slidable slats) and such external venetian blinds or slat blinds are the subject matter of the invention.
  • Such external venetian blinds usually have ladder strips for carrying, keeping distance and turning the slats and an elevator tape for raising and lowering the slats.
  • Corresponding drive and force transmission elements can be accommodated in a head rail, which can be fastened to the wall by means of angles and brackets.
  • a bottom rail forms the lower end of the lamella pack.
  • the slats of a venetian blind can be manually operated by means of a lift tape or roller chain or electrically raised and lowered with the aforementioned drive.
  • the EP 1 118 746 A2 describes a slat blind, the slats of which are guided with their ends in side rails by means of a slat carrier, whereby to close the blind the slats are removed individually with the help of the slat carrier from a slat pack arranged in an upper or lower area with the help of the slat carrier from below or above and be guided down or up.
  • the drive device disclosed there has a revolving conveyor element with recesses for receiving the lamellar carriers. Because the lamellar carriers are fixed in the conveying element, the lamellas lifted off the stack are held in their position when the blind is partially or fully extended and cannot be moved. The conveyor organ is thus burglar-resistant, since it is not possible to open the store by force without destroying it.
  • a method for actuating a locking device in order to be able to prevent the slats from being pushed up in order to prevent burglary is disclosed by the features of claim 12.
  • the invention provides that the locking device advantageously has a profile rail with an open longitudinal side and a plurality of recesses on one of the edges that delimit the open longitudinal side.
  • the profile rail can be transferred between an unlocking position and a locking position by a rotary movement about a longitudinal axis of the profile rail.
  • the neck section of each lamella in the unlocked position, extends through the open longitudinal side and each lamella is guided along the profile rail and can be moved with the sliding head in the profile rail.
  • the neck section of each lamella In the locking position, the neck section of each lamella is arranged in one of the recesses and each lamella is arranged with the sliding head in the profile rail in a position determined by the respective recess along the profile rail so that it cannot be displaced with respect to the longitudinal axis of the rail.
  • Immovable here means that the lamella is simply temporarily, namely as long as the rail with the neck sections of the lamella holder located in the recesses engages around the sliding heads in a blocking manner, against being pushed up or pulled out of the profile rail Is blocked.
  • a simple device advantageously prevents the slats from being pushed apart or upwards (in relation to a window on which the external venetian blind will be arranged when in use) and an intruder could gain access to the window.
  • lamellar holder parallel to a longitudinal axis of the lamella refers to the orientation of the lamellar holder with regard to its neck section, which defines a pivot axis for a pivoting or turning movement of the respective lamella and connects the sliding head to a holder section on which the Lamella is attached.
  • the pivot axis can be identical to the longitudinal axis of the lamella when the neck portion of the lamella holder with the axis of symmetry, d. H.
  • lamella holder parallel to a longitudinal axis of the lamella is intended to include "a lamella holder which is aligned with the longitudinal axis of the lamella”.
  • the distance and the position of the recesses on the profile rail correspond to the distance and the position of the slats in a fully extended state of the external venetian blind device.
  • a "fully extended" external venetian blind is understood here to mean that position of the external venetian blind in which the lower rail is at its lowest position, i.e. H. is located at a maximum distance from the head rail and the slats of the venetian blind thus occupy a maximum area.
  • the locking device has an actuating element for triggering the rotational movement of the profile rail, wherein the actuating element is preferably provided by an end section of the profile rail at a first end or is formed by a first pin end piece that is attached to a first end of the Profile rail is non-rotatably connected to the profile rail, the end section or the first pin end piece having a thread-like link groove which adjoins the open longitudinal side of the profile rail and which extends in a circumferential direction according to the arrangement of the recesses on the profile rail and in which an actuating pin can be performed.
  • This extends laterally from a lower rail of the external venetian blind device and is positively guided movable on the lower rail in a slat plane defined by the plurality of slats in which the longitudinal axes of the slats lie. so that the actuating pin guided in the link groove triggers the rotary movement of the first pin end piece and thus of the profile rail.
  • the length and inclination of the link groove is suitably matched to the depth and the spacing of the recesses, taking into account the arrangement of the lower rail in relation to the slats.
  • the rotation can thus be carried out through a predetermined angle in a range of, for example, approximately 40 ° to 90 ° (among other things, depending on the depth of the recesses).
  • the locking device can have a securing element for the profile rail in the locking position.
  • the securing element is defined in which the neck section of the lamella holder has a pivot axis for turning the lamellae between an open position in which the surfaces of the lamellae are positioned parallel to one another and a shading position in which the surfaces of the lamellae are next to one another at least one predetermined lamella holder formed on at least one predetermined lamella.
  • the sliding head of this lamella holder which is designed as a securing element, has a latching element which has a latching direction perpendicular to the surface of the lamella or to the surface of the lamella holder section.
  • the latching element is designed as a locking bar for engaging a latching recess which is present on the profile rail at a predetermined circumferential position, which is selected in relation to a circumferential position of that recess that is assigned to the predetermined lamella, that an engagement of the latching element in the Latching recess is provided when the profile rail is in the locking position and the slat is in the shading position.
  • the burglar resistance already provided by the locking device in the lock can be effectively reinforced by the securing element, which prevents the profile rail from rotating into the unlocked position.
  • the formation of a lamella holder as a securing element is structurally simple and does not require any additional drive or coupling components.
  • the securing takes place by turning the slats into the shading position around the slat pivot axis, whereby the slat holder with the slats are rotated accordingly so that the locking element on the sliding head of the predetermined slat holder in the shading position points in a radial direction of the profile rail perpendicular to the slat pivot axis and in the locking recess provided for this purpose on the profile rail can engage.
  • the positioning of the locking recess required for engagement with the locking element can be predetermined with the position of the locking element on the pivoted sliding head due to the association with the recess in which the predetermined lamella holder is received.
  • the latching recess on the profile rail is preferably adapted in the circumferential direction to the width of the latching element, so that a rotary movement of the profile rail into the unlocking position is prevented.
  • the locking element can be designed as an immovable projection on the sliding head, the locking recess being dimensioned larger than the length of the locking element in the longitudinal direction of the profile rail, so that the locking element can be moved into and out of the locking recess by pivoting the slats without the locking element touches the inner wall of the profile rail when the sliding head rotates.
  • the latching element is designed as a spring-loaded latching element which can be transferred from a latching position against the force of a spring element into a transfer position in which the latching element is present at least partially in the sliding head.
  • the locking element can move back into the transfer position during the rotation of the sliding head upon contact with the profile rail or the inner wall of the profile rail.
  • a latching head of the latching element can be rounded on the sides, especially in the pivoting or rotation direction, so that when the sliding head rotates in the profile rail, a uniform transition is achieved when the latching element makes contact with the inner wall of the profile rail, due to the increasing pressure on the latching element is exerted against the spring force until the locking element is pushed back into the transfer position.
  • the locking element can automatically penetrate into the locking recess due to the spring force when there is no longer any contact with the inner wall.
  • the unlocking takes place accordingly in that the locking element comes into contact with the profile rail with the rounded edges in the pivoting direction when the sliding head rotates, whereby the locking element is pressed into the sliding head against the spring force.
  • the predetermined lamella can preferably be the uppermost slat of the plurality of slats arranged in the venetian blind device, since the securing is thus concealed behind an upper cladding of the venetian blind and manipulation of this slat is therefore most difficult, if not impossible.
  • several lamellae can also be predetermined to have lamella holders designed as securing elements, each of which can engage with a latching element in a corresponding latching recess on the respective profile rail.
  • the locking device can have a securing element for the profile rail in the locking position, which is formed by a second pin end piece which is non-rotatably connected to the profile rail at a second end of the profile rail and which has a latching recess at a predetermined circumferential position .
  • This latching recess is designed for engagement with a latching bolt that can be moved between a latching position and a retracted position, the predetermined circumferential position of the latching recess being selected in relation to a circumferential position of the recesses on the profile rail such that the latching bolt engages in the latching recess, when the profile rail is in the locked position.
  • the locking pin is acted upon by a compression spring in the locking position and the locking device has an unlocking device with which the locking pin can be moved into the retracted position against the spring force of the compression spring.
  • the profile rail has a polygonal or continuous, angular or rounded cross-sectional profile (square or polygonal, U- or preferably circular-arc-shaped C-profile), the sliding head of the lamella holder having an adapted shape suitable for the selected cross-sectional profile is designed so that the sliding head present in the profile rail can be guided along the profile rail and rotated around the neck portion. Additionally or alternatively, the sliding head is designed to grip behind the recess.
  • An embodiment of a venetian blind device which has a plurality of slats, a head rail, a bottom rail and lateral guide rails, each slat having a slat holder with a sliding head and neck section parallel to or aligned with a longitudinal axis of the slat on both sides, which has a pivot axis for turning the Slats are defined between an open position, in which the surfaces of the slats are positioned parallel to each other, and a shading position, in which the surfaces of the slats lie next to each other, and which extends through an open longitudinal side of the respective lateral guide rail for guiding the sliding head in the lateral guide rail , provides that the external venetian blind device also has the locking device according to the invention, as claimed herein.
  • the external venetian blind device can for example have a head holder at the upper end and a bearing base arrangement at the lower end, with which the profile rail is each rotatably mounted with respect to the lateral guide rail.
  • the open longitudinal side of the profile rail points in the direction of the open side of the lateral guide rail, and in the locked position the profile rail with the recesses points in the direction of the open side of the lateral guide rail.
  • a locking device is provided in a guide rail, but preferably a locking device is present in both lateral guide rails.
  • the locking device according to the invention for locking or unlocking a plurality of slats of a venetian blind device can also be operated according to a method according to the invention by rotating the profile rail into the unlocking position in which the open longitudinal side faces the slats so that the neck section each Slat extends through the open longitudinal side and each slat can move along the profile rail by guiding the sliding head in the profile rail.
  • the profile rail is rotated into the locking position, while it takes the neck portion of each lamella in one of the recesses so that the sliding head engages behind the recess and each lamella with the sliding head in the profile rail in a position determined by the respective recess along the profile rail Is arranged immovably.
  • the method can include securing the locking position of the profile rail.
  • the locking position of the profile rail can preferably be secured by turning the slats from an open position, in which the surfaces of the slats are positioned parallel to one another, into a shading position in which the surfaces of the slats are adjacent to one another.
  • a latching element which on the sliding head has at least one lamella holder predetermined as a securing element on at least one predetermined lamella in a latching direction perpendicular to the surface of the lamella, can come into engagement with a latching recess which is located on the profile rail at a predetermined circumferential position in relation to a circumferential position the recess associated with the predetermined lamella is present.
  • the engagement of the latching element in the latching recess is thus provided when the profile rail is in the locking position and the slats are in the shading position.
  • the securing can take place by moving a locking bolt from a retracted position into a locking position.
  • the latching bolt engages a latching recess which is present at a circumferential position of a second pin end piece which is predetermined in relation to a circumferential position of the recesses on the profile rail and which is non-rotatably connected to the profile rail at a second end of the profile rail, so that the engagement of the Locking bolt is provided in the locking recess when the profile rail is in the locking position.
  • the device according to the invention relates to a locking device for burglar resistance in external venetian blind devices which have slidable slats.
  • the locking device which can be integrated in a venetian blind device, but can also be retrofitted in an existing venetian blind, can be actuated in an unlocking and a locking position. In the unlocked position, the locking device allows the slats to be displaced, and in the locking position the locking device blocks the slats so that they cannot be pushed up without being destroyed, and thus provides a break-in resistance.
  • Fig. 1 shows the principle of a locking device according to the invention by way of example on a lamella 1, one side end of which is shown, to which a lamella holder 2 is attached, which is used for lateral guidance of the lamella 1 in a Fig. 1 Lateral guide rail 5, not shown, is provided.
  • each lamella 1 has such a lamella holder 2 on both side ends, such as .B. in Fig. 2 and 5 can be seen, in which the lateral guide rails 5 of the external venetian blind device 100 shown as an example can also be seen.
  • the lamella holder 2 has a sliding head 2a, a neck section 2b and a holder section 2c, at which the lamella holder 2 is connected to the lamella 1.
  • the locking device has a profile rail 10 which has an open longitudinal side 11 and which, in the embodiment shown, is a C-profile rail 10.
  • a recess 12 can be seen, which is dimensioned such that the neck section 2b of the lamella holder 2 can be arranged for locking in the recess 12 by rotating the profile rail 10 about its longitudinal axis (left Representation in Fig. 1 ).
  • the sliding head 2a of the slat holder 2 engages behind this recess 12 so that the slat 2 is not only immovable in the longitudinal direction of the profile rail 10, but it is also not possible to pull the slat holder 2 out of the profile rail 10 in the longitudinal direction of the slats in order to release the blockage.
  • a pivoting of the slats 1 into a shading position can be useful for locking in order to provide a more effective grip behind the sliding head 2a behind the recess 12.
  • each slat of a venetian blind between a shading position and an open position, the slats being positioned parallel to one another in an open position and can thus be stacked in a space-saving manner in the raised state, and are present next to one another in a shading position, thus, as is known, form an area created from the individual slats in order to shade the window area behind them.
  • the pivot axis of each lamella is defined by the neck section 2b of the lamella holder.
  • the profile rail 10 is rotated in the opposite direction about its longitudinal axis, so that the neck section 2b of the lamella holder 2 merges from the recess 12 into the open longitudinal side 11 (right illustration in FIG Fig. 1 ), in which the lamella 1, now turned in the open position, can be moved in the longitudinal direction by guiding the sliding head 2a in the profile rail 10.
  • the profile rail 10 of a locking device according to the invention usually has a plurality of recesses 12, which are formed on one of the edges that delimit the open longitudinal side 11, since external venetian blinds usually have a plurality of slats 1.
  • Figures 2 to 8 show an example of a venetian blind device 100 according to the invention, which has a plurality of slats 1, of which the topmost is designated.
  • Figs. 2 to 4 show the venetian blind device 100 or parts thereof in the locking position and Figures 5 to 7 in unlocked position.
  • the shown external venetian blind device 100 has, as usual, a head rail 3 with which the external venetian blind device 100 can be connected to a cladding 8 by means of a head carrier 29 and mounting bracket 29 'and in which drive and power transmission elements such as shaft 6, which is a square shaft 6 here, and reel bearings 7 are housed.
  • drive and power transmission elements such as shaft 6, which is a square shaft 6 here, and reel bearings 7 are housed.
  • ladder tapes for carrying, keeping distance and turning the slats 1 and an elevator tape for raising and lowering the slats.
  • the lower end of the slats 1 is formed by a lower rail 4 which, like the slats 1, is guided in the lateral guide rails 5.
  • the venetian blind device 100 has a profile rail 10 of a locking device according to the invention in each of the two lateral guide rails 5, the number of recesses 12 in each profile rail 10 corresponding to the number of slats 1.
  • a distance between the recesses 12 and their positioning along the profile rail 10 correspond to the distance and the positioning of the slats 1 or the lamella holder 2 in a completely extended state of the external venetian blind device 100.
  • the external venetian blind device 100 is constructed with two profile rails 10 in the two lateral guide rails 5 in a mirror-symmetrical manner, the locking device is only described below on the basis of one page. Of course, the explanations apply to the other side in a corresponding manner.
  • the profile rail 10 is rotatably arranged in the lateral guide rail 5 such that the open longitudinal side 11 of the profile rail 10 in the unlocked position points in the direction of the open longitudinal side 5 'of the lateral guide rail 5 (cf. Figure 7a ), so that the slats 1 can be moved along the open longitudinal sides 11, 5 'of the profile rail 10 and the lateral guide rail 5.
  • the neck section 2b of the lamellar holder 2 extends from the sliding head 2a guided in the profile rail 10 through the open longitudinal sides 11, 5 'of the profile rail 10 and the lateral guide rail 5.
  • the profile rail 10 By rotating about its longitudinal axis by a predetermined angle, which is dependent, among other things, on the depth of the recesses 12 and can be, for example, in a range of 40 ° to 80 °, the profile rail 10 is transferred into the locking position in which the profile rail 10 with the Recesses 12 in the direction of the open side 5 'of the lateral guide rail 5 (cf. Figure 4a ). This means that the slats 1 can no longer be moved in the longitudinal direction of the profile rail 10 and the lateral guide rail 5.
  • Fig. 4 and Fig. 7 each initially show an overall longitudinal sectional view a) of the external venetian blind device 100, as well as in a detailed longitudinal sectional view b), detailed cross-sectional view c) and in perspective view b) a first pin end piece 13 at the lower end of the profile rail 10, which is an actuating element of the locking device for triggering the rotary movement of the profile rail 10 represents.
  • the first pin end piece 13 is non-rotatably connected to the profile rail 10 in order to transfer the rotary actuation to the profile rail 10, and is mounted in a cover 20 which closes the lower end of the lateral guide rail 5 (cf. Fig. 8 ), the pin end piece 13 forming a bearing socket arrangement 400 with the cover 20.
  • the Zapfenendtsück 13 has a thread-like link groove 13 ', which connects to the open side 11 of the profile rail 10, which is particularly good in Fig. 7d you can see.
  • the lateral ends of the lower rail 4 have a cap 28 in which the actuating pin 14 is fastened by means of a threaded pin 28 '.
  • an actuating pin can also be attached to the lower rail in some other way.
  • the cap and actuating pin can be formed in one piece, etc.
  • the lower rail 4 and thus the actuating pin 14 is positively guided in a lamella plane defined by the lamellae 1, in which the longitudinal axes of the lamellae 1 lie, so that the pin end piece 13 - and thus the connected profile rail 10 - by guiding the actuating pin 14 in the thread-like manner Link groove 13 'is rotated accordingly.
  • the actuating pin 14 is moved from the open side 11 of the profile rail 10 into the thread-like link groove 13 'up to an end position, with the profile rail 10 in the locking position ( Fig. 4 ) is rotated. In the end position, the actuating pin 14 has reached the closed end of the thread-like link groove 13 'and the external venetian blind is fully extended.
  • the end position can be determined by setting the motor by the motor for extending the external venetian blind, e.g. B. is stopped after a predetermined time. This time is then coordinated so that the external venetian blind is then fully extended and the lower rail 4 has reached the lowest position and, accordingly, the actuating pin has reached the end of the link groove 13 ', so that the profile rail 10 is rotated into the locking position when the lower rail 4 the lowest position reached.
  • the profile rail 10 is moved into the unlocked position by the pin end piece 13 ( Fig. 7 ) rotated by the actuating pin 14 is moved from the end position through the thread-like link groove 13 'in the direction of the open side 11 of the profile rail 10.
  • Determine the length and inclination of the link groove 13 ' the angle of rotation of the profile rail 10 and are matched to a depth and a distance between the recesses 12, taking into account the relative arrangement of the lower rail 4 in relation to the slats 1.
  • the lateral guide rail 5 has a side profile 50 for receiving mounting elements 26 for fastening the venetian blind device 100 and on the edges that delimit the open longitudinal side 5 'of the lateral guide rail 5, two guide profiles 50', in each of which one Guide bar 27 is added.
  • Fig. 3 and Fig. 6 each show, in sectional views a) and perspective view b), a securing element of the locking device in order to secure the profile rail 10 in the locking position ( Fig. 3 ) to be sure.
  • the securing element has a second pin end piece 15 which is non-rotatably connected to the profiled rail 10 at the upper end of the profiled rail 10 and is mounted in a cover 20 by means of a fuse 20 ', which closes the lateral guide rail 5 at the upper end, whereby the second pin end piece 15 and the cover 20 form a head mount 300 (cf. Fig. 8 ).
  • the pin end piece 15 has a latching recess 15 ′ at a circumferential position which corresponds to that of the recesses 12 on the profile rail 10.
  • a locking bolt 16 for engaging with the locking recess 15 ′ is provided in the head rail 3 in a corresponding arrangement when the profile rail 10 is arranged in the locking position.
  • the locking bolt 16 is mounted in a sleeve 18 within a bearing housing 21 in the upper rail 3 and is pressed with a bias against the upper pin end piece 15 by a compression spring 17 arranged in the sleeve 18 and fixed with a threaded pin 19, so that the locking bolt 16 as a result of the Bias is driven by the compression spring 17 into the latching recess 15 'when the pin end piece 15 with the profile rail 10 assumes the locking position ( Fig. 3 ).
  • the clutch has a clutch disk 23 on the bearing housing side and a clutch disk 24 on the driver side, which are connected to the bearing housing 21 via a fitting screw and nut 22.
  • Compression springs 17 'between the clutch disks 23, 24 ensure that the clutch disk 24 on the driver side is pretensioned against the driver 9, which is in the
  • the example shown has two guide grooves 9 '(cf. Fig. 8 ) with a corresponding depth profile, in which two pins 25 are guided, which extend from the clutch disc 24 on the driver side. In the locked position ( Fig.
  • the pins 25 are at the point with the smallest depth of the guide grooves 9 ', so that the sleeve 18, whose disk-shaped head is guided in a circumferential groove 24' of the clutch disk 24 on the driver side, is in an advanced position in which the locking bolt engages 16 with the locking recess 15 'is possible.
  • Unlocking ( Fig. 6 ) of the security element takes place at the beginning of the raising of the external venetian blind by rotating the square shaft 6 of the driver 9 so that the pins 25 are at the point with the greatest depth of the guide grooves 9 ' ( Figure 6a ), so that the clutch disk 24 on the driver side is distanced from the clutch disk 23 and the sleeve 18, which follows the movement of the clutch disk 24 on the driver side, and thus the locking pin 16 are in a retracted position which removes the engagement of the locking pin 16 with the locking recess 15 ' so that the profile rail 10 can be rotated (by raising the lower rail 4) for unlocking.
  • a locking recess could also be present at a different circumferential position if a locking bolt is provided elsewhere, as long as the predetermined circumferential position of the locking recess is selected in relation to the circumferential position of the recesses on the profile rail such that the engagement of the locking bolt in the locking recess is provided when the profile rail is in the locked position.
  • locking and unlocking including securing and unlocking, take place automatically when the external venetian blind is fully extended and raised by a motor.
  • manual actuation can also be provided for rotating the profile rail and for securing it by means of locking bolts.
  • FIG Figures 9 to 26 Further embodiments of an external venetian blind 100 according to the invention, which has an alternative actuating element for triggering the rotary movement of the profile rail, are illustrated in FIG Figures 9 to 26 described.
  • the external venetian blind 100 shown there has an alternative securing element that differs from the securing device according to the safety bolt Fig. 3 and 6th to release the fuse does not require a complex connection via a coupling to a driver.
  • Fig. 9 shows a venetian blind 100 with slats 1, 1 'in the raised state, in which the slats 1, 1' in the open position are present as a stack in the area of the head rail 3, at least partially covered by the cladding 8.
  • the slats 1, 1' in the open position are present as a stack in the area of the head rail 3, at least partially covered by the cladding 8.
  • B. head support 29, mounting bracket 29 'and bracket 26 is designated.
  • the uppermost lamella 1' and any other lamella 1 are designated.
  • the lamellar holder 2 For a better view of the lamellar holder 2, in particular in detail X10, only one guide bar 27 is shown on the left side of the venetian blind 100, which together with another guide bar 27 form a boundary on both sides for guiding the lamellar brackets 2, 2 'along the lateral guide rail 5 (see. Fig. 17 ) provides, which on both sides of the longitudinal opening 5 'has a corresponding guide profile 50' for receiving the guide strips 27.
  • Detail X10 illustrates an embodiment of the lamella holder 2, in which the sliding head 2a is designed as a disk with an elongated crescent shape, which is defined by two parallel linear side sections and two parallel circular arc sections.
  • This shape of the sliding head 2a allows, on the one hand, a tight stacking of the slats 1 in the open position and, on the other hand, a rotation of the head section 2a around the neck section 2b within the profile rail 10, not shown here, for turning the slats 1 in the extended state into the shading position.
  • the stretched crescent-shaped sliding head 2a provides effective engagement behind the recess 12 in the profile rail 10 (see e.g. Fig. 19 , 22nd ).
  • the actuating pin 14 received in the end cap 28 of the lower rail 4 can be seen, the head section 140 of which has a spherical shape that is flattened at the top and bottom.
  • the head section 140 of the actuating pin 14 can thus also be guided in the profile rail 10 in order to bring about the rotational movement of the sliding block groove 13 'at the lower end of the profile rail 10 when it enters.
  • the head section 140 of the actuating pin 14 is positioned above the bearing pedestal arrangement 400, which is on the left side of the external venetian blind 100 in Fig. 9 can be seen and below in connection with Figures 20 to 24 will be described in more detail.
  • Fig. 9 can be seen on the right at the upper end of the lateral guide rail 5
  • Headgear 300 is used in conjunction with the Figures 14 , 16 and 18th described in more detail.
  • the uppermost lamella 1 ' is intended to have a lamella holder 2' designed as a securing element on both sides - hereinafter also referred to as a securing lamella holder - for which an exemplary embodiment in FIG Figures 10, 11 and 12 is shown.
  • the lamellar securing device 2 ' has a holder section 2c to which the lamella 1' is attached and a neck section 2b which extends between the guide strips 27 through the open longitudinal sides 5 ', 11 of the guide rail 5 and the profile rail 10 and is arranged in the locking position of a corresponding recess 12, 12 '.
  • the sliding head 2a 'of the securing lamella holder 2' is, as in FIG Figures 10 to 12 can be seen, is approximately spherical and has a latching element 210 which is held by a spring element 211 in a latching position ( Figures 10, 12a and 12c) , in which the latching element 210 protrudes beyond the contour of the sliding head 2a 'in a latching direction which is perpendicular to the plane defined by the surface of the holder section 2c.
  • the latching element 210 has a latching head 215 with rounded edges, from the rear of which the spring element 211 rests two hook elements 216 extend to engage behind a shoulder 213 in the receiving opening 212 of the sliding head 2a 'and thus the latching element 210 against the To hold spring pressure in the receiving opening 212.
  • the sliding head 2a 'in the receiving opening 212 has a support surface 214, from which a section 212' of the receiving opening 212 extends on both sides as a displacement path for the hook elements 216, so that the hook elements 216 enter these sections 212 'when pressure is exerted on the latching head 215 and the latching element 210 is pushed against the spring force into the sliding head 2a' (transfer position, Figure 12b ).
  • Figure 13a and b show the external venetian blind 100 Fig. 9 after actuation of the tape reel bearings 7 in the almost completely extended state of the slats 1, 1 ', the slats 1, 1' being in the open position in which the surfaces of the slats 1, 1 'are positioned parallel to one another.
  • the uppermost lamella 1 ' is the predetermined lamella 1', the is equipped with safety lamella holders 2 '.
  • FIG Figure 14a and b A design of the head holder 300 for mounting the rotatable profile rail 10 at the upper end and an arrangement of the securing lamella holder 2 'is shown in FIG Figure 14a and b illustrates, which is a side sectional view HH of the in Figure 13b Venetian blinds 100 shown and a detailed view X11 of the upper section of the locking device within the cladding 8.
  • the head mount 300 comprises a receiving plug 301, which includes the upper end of the profile rail 10, and a profile receiving element 302, which engages around the upper end of the lateral guide rail 5 including the side profile 50 and (here by means of connecting pins 306 and nuts 306 ') with a top end Holder plate 303 is connected.
  • the receiving plug 301 is rotatably supported in the profile receiving element 302 by a securing element 305, the assembly of which is made possible through a correspondingly positioned assembly opening 307 in the holder plate 303.
  • a securing element 305 the assembly of which is made possible through a correspondingly positioned assembly opening 307 in the holder plate 303.
  • the latching recess 120 is offset by approximately 90 ° in relation to the recess 12 ', which is assigned to the predetermined lamella 1' with the securing lamella holder 2 '(cf. Fig. 18 ), so that the sliding head 2a 'is at the level of the latching recess 120 when the neck section 2b of the securing lamella holder 2' is received in the recess 12 '.
  • the latching element 210 of the sliding head 2a 'of the securing lamella holder 2' points in the longitudinal direction of the profile rail 10 and is therefore in the unloaded latching position, so that the Guiding of the sliding head 2a 'along the profile rail 10 and the transfer into the locking position by rotation of the profile rail 10 are not impaired.
  • Figure 15a, b of Figures 13a and b in that the slats 1, 1 'are now fully extended, so that the locking position is present.
  • the side sectional view II of the in FIG Figure 15b Venetian blinds 100 shown in Fig.
  • the rotational position of the sliding heads 2a, 2a 'within the profile rail 10 also changes 2a, 2a 'in the profile rail 10 is approximately 90 ° C corresponding to the turning movement of the slats 1, 1' between the open and shading position.
  • the latching element 210 on the sliding head 2a 'of the securing lamella holder 2' then points in the shading position in a radial direction of the profile rail 10 and thus extends through the correspondingly arranged latching recess 120.
  • the spherical sliding head 2a 'of the securing lamella holder 2' is positively received in the arcuate cross-section of the profile rail 10, so that the correct engagement of the latching element 210 with the latching recess 120 in the profile rail 10 is ensured even when weather-related thermal expansions or contractions the securing lamella 1 'would occur in the longitudinal direction.
  • a compensating element or compensator in the securing lamella 1' can be used.
  • the remaining slats 1 are mechanical Stresses due to thermal expansion or shrinkage are prevented by the disk-shaped sliding head 2a having sufficient play within the profile rail 10.
  • the width of the latching recess 120 is adapted to the latching element 210 (cf. Fig. 18 ), so that rotation of the profile rail about its longitudinal axis is prevented as long as the latching element 210 is in engagement in the latching recess 120.
  • the length of the latching recess 120 can be selected to be significantly greater than the dimensions of the latching element 210 require, so that the latching element 210 does not have to be pressed in against the spring force in order to move the sliding head 2a 'from the open to the shaded position of the slats 1, 1 '(and vice versa) to rotate in the profile rail 10.
  • a locking recess is dimensioned in terms of its longitudinal extent in such a way that it is not necessary to press in the locking element to rotate the sliding head, since there is no contact with the inner wall of the rail due to the length of the locking recess, the locking element, unlike shown, can also simply be used as an immovable locking projection be formed on the sliding head.
  • an embodiment of the latching recess 120 is also permitted, which corresponds to the dimensions of the latching element 210 or has only a slightly larger longitudinal extent. This is because the rounded edges of the locking head 215 enable the locking element 210 to retreat against the spring pressure when the sliding head 2a 'rotates through the contacting of the locking element 210 on the inner wall of the profile rail 10. This contact causes sufficient pressure on the locking element 210 against the force of the spring element 211 to hold the locking element 210 in the transfer position.
  • Fig. 17 is a part of the external venetian blind 100 Figure 15a with lateral guide rail 5 and profile rail 10 and the slat holders 2, 2 'of the slats 1, 1' guided therein in the shading position.
  • the guidance of the neck sections 2b of the lamella holders 2, 2 'by the two guide strips 27, which are received with a profile section in the guide profiles 50' on both sides of the open longitudinal side 5 'of the lateral guide rail 5, can be clearly seen.
  • the profile rail 10 is in the locking position, so that it is not the open longitudinal side 11 of the profile rail 10, but the recesses 12, 12 'adjoining an edge there (cf. Fig.
  • the locking element 210 on the sliding head 2a' of the securing slat holder 2 ' which is assigned to the uppermost slat 1', points in a radial direction of the profile rail 10 perpendicular to the slat plane and extends through the locking recess 120 , which is present in the profile rail 10 in the corresponding position, as in Fig. 18 is shown, which dispenses with the representation of the lateral guide rail 5 and the front guide rail 27.
  • Fig. 18 illustrated headgear 300 associated with Fig. 14 has already been described. Unlike there, it can be seen here that the holder plate 303 extends in the direction of the head rail 3 and has elongated holes 307 'for attachment to it. Of course, alternative fastening variants can also be provided for this.
  • Figures 20 to 22 illustrate the alternative construction of the actuating element for triggering the rotary movement of the profile rail 10 for transferring it into the locking position shown by means of the actuating pin 14 guided in the winding link groove 13 ', which is received with an end cap section in the end cap 28 of the lower rail 4.
  • the link groove 13 ' is not in a pin end piece 13, which is connected to the profile rail 10, but is worked out in an end section 130 of the profile rail 10 and thus manufactured in one piece.
  • the thread-like link groove 13 ' extends from the open longitudinal side 11 of the profile rail 10 in a circumferential direction corresponding to the arrangement of the recesses 12, 12', the length and inclination of the link groove 13 'determine the angle of rotation of the profile rail 10 and to a depth and a distance between the recesses 12, 12 'are matched taking into account the relative arrangement of the lower rail 4 in relation to the slats 1.
  • FIG. 20 the bearing base arrangement 400 is shown at the lower end section 130 of the profile rail 10, which is shown in FIG Fig. 22 and 23 can be seen in more detail.
  • the bearing pedestal arrangement 400 in the example shown has a stopper 401 which is finally arranged in the lateral guide rail 5, the lower end, as in FIG Fig. 24 is made clear.
  • the stopper 401 has a cross-section based on a rectangular shape, which, corresponding to the inner profile of the lateral guide rail 5, encompasses a rear-side groove 401c, which encompasses a longitudinal rib (not designated) on the inside of the guide rail 5 facing the open longitudinal side 5 ', and a front shoulder 401b, which extends into the open longitudinal side 5 ′ of the lateral guide rail 5.
  • the fastening is also carried out there by means of a fastening element 401d.
  • Lateral notches 401a enable the stopper 401 to be gripped, for example for dismantling or repair.
  • a stopper can have profiled longitudinal grooves on both sides of the shoulder 401b for receiving a section of the guide strips 27 received in the guide profile 50 ', which, as in FIG Fig. 17 can be seen, extends into the interior of the guide rail 5.
  • the guide strips 27 can, however, also end above the bearing pedestal arrangement 400.
  • a mounting element 402 is fastened with a cylinder pin 403 which is arranged centrally in relation to the profile rail 10 and on which a stopper 404 is rotatably arranged, which has a hollow cylindrical section 407 for receiving in the profile rail 10.
  • the hollow cylinder section 407 is formed by a cylindrical body which has a centrally arranged cavity for receiving the cylinder pin 403. Otherwise, the hollow cylinder section 407 can be solid or have further cavities, which can be provided, for example, to compensate for imbalances. Such an imbalance can be caused, for example, by form-fit elements 405 on the circumference of the hollow cylinder section 407, of which the plug 404 shown here has two.
  • the non-rotatable connection of the stopper 404 to the profile rail 10 can be produced by a connection technique that is alternative to the positive connection, for example by a force-fit clamping or screw connection or a materially bonded or welded connection.
  • a conical section 406 adjoins the hollow cylinder section 407 of the plug 404, the head section 140 of the actuating pin 14 being positioned above the conical section 406 in the fully extended state of the venetian blind 100.
  • the head section 140 does not touch the conical section 406.
  • the head section 140 could deviate from the example shown, for example also be spherical.
  • the function of the conical section 406 is to allow water that may be located in the profile rail 10 to flow downwards, in that the cavities in the stopper 404 are designed as through-holes that extend through the hollow cylinder section and the conical section. This prevents water from collecting in the profile rail 10 and freezing in winter.
  • the actuating pin 14 has, in addition to the head section 140, which is designed for guidance in the profile rail 10, a neck section 141 which, depending on the extended position of the venetian blind, extends through the link groove 13' or the open longitudinal sides 5 ' , 11 of the guide or profile rail 5, 10 extends.
  • the end cap portion 142 of the actuating pin 14 is profiled to be received in the end cap 28.
  • lamella holders designed as securing elements. Even if not preferred, solutions are also included in which a predetermined lamella is only equipped with a securing element on one side.
  • a locking device can also have a profile rail with a profile deviating from a C-profile, which profile can be round, angular or rounded. It is only important that the profile rail, when arranged in the lateral guide rail, can be rotated about its longitudinal axis by the predetermined angle, and that the sliding head of the lamella holder can be moved along the profile rail and rotated about the pivot axis. Profiles are preferred in which the width of the open longitudinal side is narrower than the profile width, so that the sliding head guided in the profile rail cannot be pulled out through the open longitudinal side.
  • the sliding head can be designed to be adapted to the profile of the profile rail, whereby a venetian blind can have different sliding heads, for example if a slat holder is designed as a securing element with a locking element.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)
EP20000374.7A 2019-12-30 2020-10-13 Dispositif de verrouillage, dispositif de store à lamelles et procédé de fonctionnement du dispositif de verrouillage Active EP3845736B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019135879.5A DE102019135879A1 (de) 2019-12-30 2019-12-30 Verriegelungsvorrichtung, Raffstorevorrichtung und Verfahren zum Betätigen der Verriegelungsvorrichtung

Publications (3)

Publication Number Publication Date
EP3845736A1 true EP3845736A1 (fr) 2021-07-07
EP3845736C0 EP3845736C0 (fr) 2023-08-09
EP3845736B1 EP3845736B1 (fr) 2023-08-09

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EP20000374.7A Active EP3845736B1 (fr) 2019-12-30 2020-10-13 Dispositif de verrouillage, dispositif de store à lamelles et procédé de fonctionnement du dispositif de verrouillage

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EP (1) EP3845736B1 (fr)
DE (1) DE102019135879A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116928875A (zh) * 2022-03-29 2023-10-24 青岛海尔空调器有限总公司 新风过滤网支架和风机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2205156A (en) * 1938-12-19 1940-06-18 William A Rowley Burglarproof blind
US5282514A (en) * 1992-05-15 1994-02-01 Felcetto Roy P Window guard for venetian blind hung windows
EP1118746A2 (fr) 2000-01-20 2001-07-25 Schenker Storen Ag Mécanisme de commande pour stores à lamelles
US6443208B1 (en) * 2000-10-10 2002-09-03 Joseph T. S. Win Window securing apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2205156A (en) * 1938-12-19 1940-06-18 William A Rowley Burglarproof blind
US5282514A (en) * 1992-05-15 1994-02-01 Felcetto Roy P Window guard for venetian blind hung windows
EP1118746A2 (fr) 2000-01-20 2001-07-25 Schenker Storen Ag Mécanisme de commande pour stores à lamelles
US6443208B1 (en) * 2000-10-10 2002-09-03 Joseph T. S. Win Window securing apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116928875A (zh) * 2022-03-29 2023-10-24 青岛海尔空调器有限总公司 新风过滤网支架和风机

Also Published As

Publication number Publication date
DE102019135879A1 (de) 2021-07-01
EP3845736C0 (fr) 2023-08-09
EP3845736B1 (fr) 2023-08-09

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