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EP2410119A1 - Operating assembly for sunshade - Google Patents

Operating assembly for sunshade Download PDF

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Publication number
EP2410119A1
EP2410119A1 EP10007565A EP10007565A EP2410119A1 EP 2410119 A1 EP2410119 A1 EP 2410119A1 EP 10007565 A EP10007565 A EP 10007565A EP 10007565 A EP10007565 A EP 10007565A EP 2410119 A1 EP2410119 A1 EP 2410119A1
Authority
EP
European Patent Office
Prior art keywords
operating
element according
housing
control element
clamping surfaces
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
EP10007565A
Other languages
German (de)
French (fr)
Other versions
EP2410119B1 (en
Inventor
Sebastian Oppel
Joachim Müller
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.)
Warema Kunststofftechnik und Maschinenbau GmbH
Original Assignee
Warema Kunststofftechnik und Maschinenbau GmbH
Priority date (The priority date 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 date listed.)
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Priority to EP20100007565 priority Critical patent/EP2410119B1/en
Publication of EP2410119A1 publication Critical patent/EP2410119A1/en
Application granted granted Critical
Publication of EP2410119B1 publication Critical patent/EP2410119B1/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32Operating, guiding, or securing devices therefor
    • E06B9/326Details of cords, e.g. buckles, drawing knobs
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32Operating, guiding, or securing devices therefor
    • E06B9/326Details of cords, e.g. buckles, drawing knobs
    • E06B2009/3265Emergency release to prevent strangulation or excessive load

Definitions

  • the present invention is concerned with a control device with safety function with him fixed line ends of control cords for sun protection systems, wherein a housing of the control element and a release device are provided which decoupled at the initiation of a force, the cord ends at least partially from the operating member.
  • the object of the present invention is to improve an operating member of the type mentioned in such a way that on the one hand allows the introduction of the necessary operating forces in the operating cords of a sunshade system, but on the other hand, the loop is loosened early in accidents.
  • the release device comprises a movable trigger element, a biased elastic element and corresponding clamping surfaces on the housing and on the trigger element, between which the cord ends are clamped under the action of the prestressed elastic element, wherein a triggering force on the trigger element to release the cord ends is smaller than the transferable from the operator to the operating cords forces.
  • the advantage of the solution according to the invention is that the release device is no longer triggered by the forces transmitted over the operating cords, but by the separately triggerable trigger element, by means of the geometry of the clamping surfaces and the bias of the elastic member in its tripping behavior regardless of the on the Operating cords acting forces can be adjusted.
  • the triggering element has an actuating element which protrudes from the housing of the operating member.
  • the advantage of this solution is that the actuator of the handle portions of the operating organ, which are usually detected for operating the sunshade system, can be spatially separated clearly, so that a false triggering of the release device is avoided.
  • actuating element is arranged between the operating cords.
  • This spatial position is particularly advantageous, because usually when someone accidentally gets caught in the cord, the force is applied to actuate the release device at exactly this point.
  • the actuator can be spatially well separated from the grip areas of the operating element, so that a false triggering is largely avoided.
  • the actuating element is preferably provided at its end protruding from the housing with a contact element, which may be formed as a flat contact element. It is also possible to form the free end as a ball element, wherein the ball element can directly form the planar contact element or on the ball element another, preferably flat contact element can be anchored.
  • the clamping surfaces are arranged inclined with respect to the direction of movement of the triggering element.
  • the inclination of the clamping surfaces is one of the design possibilities already mentioned, in order to adapt the release force in relation to the transferable by the cord lock operating force. Due to the inclined clamping surfaces, high clamping forces on the cord ends are possible with comparatively small spring forces of the elastic tensioning element, which on the other hand can be canceled by the application of a relatively small force and displacement of the triggering element.
  • the triggering element may be at least partially wedge-shaped to form the clamping surfaces, wherein the clamping surfaces for the string ends are preferably distributed uniformly about a central axis of the triggering element.
  • the clamping surfaces for the string ends are preferably distributed uniformly about a central axis of the triggering element.
  • the clamping surfaces of the housing are preferably formed on the inner edges of a preferably integrally formed clamping ring.
  • the closed shape of the ring which may have a square, circular or oval cross-section.
  • the string ends each have a thickening.
  • the thickenings serve as a positioning aid of the cord ends when jammed at the clamping surfaces and can be formed for example by knots, seals or similar measures.
  • extensions are preferably provided in a region adjoining the clamping surfaces, so that the clamping surfaces can optimally act on the cord and do not affect the thickenings.
  • an elastic clamping element for example, a coil spring is suitable, which is arranged between the housing and the triggering element.
  • FIG. 1 an operating element 10 is shown as it is used for operating control cables 12 for sun protection systems (not shown).
  • the actual operation of the operating cords by means of an operating cord 14 which is fixed centrally at the lower end of a housing 16 of the operating member 10.
  • the housing consists in the embodiment shown of two halves, of which only a lower half 18 is shown, since the sectional plane of the representation lies exactly between the two housing halves. But recognizable are fasteners 20 of the second housing half, which engage in corresponding recesses of the lower housing half 18 and thus ensure the connection of the two housing halves.
  • the housing 10 further has a longitudinal guide 22 in the form of ribs or alternatively grooves which cooperate with corresponding shapes of a triggering element 24. Accordingly, the trigger element 24 is guided along the longitudinal guide 22 in the housing 16.
  • a helical spring 26 is provided as an elastic biasing element, which is attached to a support plate 28 fixed on the housing side and an annular groove 30 at one end of the trigger member 24 is supported.
  • the triggering element 24 also has two clamping surfaces 32 which cooperate with clamping surfaces 34 of a ring member 36 inserted into the housing, which has an oval cross-sectional contour in the embodiment shown, but also, depending on the shape of the housing, may have a polygonal cross section or a circular cross section ,
  • the inclination of the clamping surfaces 32 of the trigger element 24 is adapted to the inclination of the clamping surfaces 34 of the ring member 36, wherein it can be seen that the inclination is at an acute angle to the longitudinal direction of the trigger element 24.
  • Fig. 1 how out Fig. 1 can also be seen well, the ends of the operating cords 12 between the clamping surfaces 32 of the trigger element and the clamping surfaces 34 of the ring member 36 are clamped.
  • thickenings 38 are provided, which are shown schematically and, for example, by nodes, Seals or similar devices may be formed.
  • the thickenings 38 facilitate the insertion of the operating cords 12 and their exact positioning and prevent that at a slight accidental adjustment of the trigger element 24, the operating cords 12 can slip out of the jamming.
  • free spaces are provided in the housing 16, which are formed here by the lower end of the ring member 36 and the tapered cross-section of the trigger element 24.
  • the triggering element 24 has an actuating element 40 which protrudes from the housing 16 and terminates at its free end with a ball element 42.
  • This ball element 42 in the form of a ball head can directly form a planar contact element, the arrangement between the operating cords 12, for example, advantageous when a child caught in the operating cords and crashes, because then inevitably takes place a force in the guide direction on the trigger element 24 ,
  • the ball head 42 shown is sufficient as an actuating element, but it is also possible to fix further flat contact elements on this ball head 42 in order to achieve an even safer triggering in an emergency.
  • Fig. 2 is the release of the operating cords 12 by triggering the release device, which consists of the trigger element 24, the coil spring 26 and the clamping surfaces 32 and 34, respectively.
  • the trigger element 24 is displaced against the action of the coil spring 26, so that the clamping surfaces 32 of the trigger element 24 of the clamping surfaces 34 of the ring member 36th peel off.
  • the ends of the operating cords 12 are free and can slide out of the housing 16 powerless, causing the out of the operating cords 12th and the loop 16 formed in the housing 16 is opened and consequently there is no longer any risk of injury to a person who has caught in the loop. Injuries, such as As strangulations in children who fall, are thus safely excluded.
  • the triggering element by pressing against the force of the coil spring 26 in the in Fig. 2 shown position to insert the ends of the operating cords 12 with the thickenings 38 in the gap between the ring member 38 and the trigger member 24 and release the trigger member 24 so that it under the action of the biased coil spring 26 in the in Fig. 1 shown position, wherein the cord ends between the clamping surfaces 32 and 34 are clamped.
  • An exact alignment of the operating cords 12 is then possible by slightly moving the trigger element 24 just to the extent that the clamping action is canceled.
  • the thickenings 38 which define the exact length of the operating cords 12, can slide up to the stop formed by the underside of the ring element 36 and the triggering element 24.
  • the control element 10 is thus immediately ready for use, of course, again the functionality of the release device is given.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Abstract

The assembly (10) has a housing and a releasing device, which partially decouples cord ends from the assembly during introduction of force. The releasing device includes a movable releasing element (24), a pretensioned elastic element i.e. helical spring (26), and corresponding clamping surfaces (32, 34) at the housing. The cord ends are clamped between the clamping surfaces by effect of the helical spring. Releasing force of the releasing element is smaller than force, which is transferred from the assembly to operating cords (12).

Description

Die vorliegende Erfindung befasst sich mit einem Bedienorgan mit Sicherheitsfunktion mit an ihm festgelegten Schnurenden von Bedienschnüren für Sonnenschutzanlagen, wobei ein Gehäuse des Bedienorgans und eine Freigabeeinrichtung vorgesehen sind, die beim Einleiten einer Kraft die Schnurenden wenigstens teilweise von dem Bedienorgan entkoppelt.The present invention is concerned with a control device with safety function with him fixed line ends of control cords for sun protection systems, wherein a housing of the control element and a release device are provided which decoupled at the initiation of a force, the cord ends at least partially from the operating member.

Derartige Bedienorgane sind bereits aus der DE 195 00097 A1 , der DE 60201961 T2 und der EP 1514992 B1 bekannt, die verschiedene Umsetzungen der Sicherheitsfunktion zeigen. Gemeinsam ist all diesen Konzepten, dass bei einer unkontrollierten Krafteinleitung in das Schnursystem und die durch das Bedienorgan gebildete Schlaufe sich eine Art Sollbruchstelle öffnet, d. h. wenigstens ein Schnurende von dem Bedienorgan gelöst wird. Diese Sicherheitsfunktion wird insbesondere deswegen gewünscht, weil eine beträchtliche Unfallgefahr für Kinder besteht, wenn diese sich beim Spielen in der Schlaufe verfangen und dabei stürzen. Im ungünstigsten Fall kann dies zu sehr schweren Verletzungen durch Strangulation führen.Such controls are already out of the DE 195 00097 A1 , of the DE 60201961 T2 and the EP 1514992 B1 known that show various implementations of the safety function. Common to all these concepts that when an uncontrolled introduction of force in the cord system and the loop formed by the operating organ opens a kind of predetermined breaking point, ie at least one end of the cord is released from the control panel. This safety function is particularly desirable because there is a considerable risk of accidents for children if they get caught while playing in the loop and thereby fall. In the worst case, this can lead to very severe injuries due to strangulation.

Das Problem bei der technischen Umsetzung der Sicherungsfunktion, die das Auftrennen der Schlaufe ermöglicht, besteht darin, dass die normalen Bedienkräfte auf das Bedienorgan die zur Vermeidung von Verletzungen notwendigen sehr geringen Auslösekräfte beträchtlich übersteigen können. Sollbruchstellen, Rastverbindungen oder elastische Schnuraufnahmen, die unmittelbar auf erhöhte Kräfte in den Bedienschnüren reagieren, sind daher in der Regel nicht praxisgerecht, da sich die Schnurenden oftmals ungewollt beim Betätigen der Sonnenschutzanlage von dem Bedienorgan lösen und dann anschließend wieder umständlich neu verankert werden müssen. Oftmals ist es hierzu sogar notwendig, dass diese Arbeit von einem geschulten Kundendienstmitarbeiter erledigt wird.The problem with the technical implementation of the safety function, which allows the separation of the loop, is that the normal operating forces on the operating device can exceed the necessary to avoid injury very low release forces considerably. Predetermined breaking points, latching connections or elastic cord receptacles, which react directly to increased forces in the operating cords, are therefore generally not practical, since the ends of the cord often unintentionally when operating the sunshade system from the control unit and then then again awkward to be anchored new need. Often it is even necessary for this work to be done by a trained customer service representative.

Die Aufgabe der vorliegenden Erfindung besteht darin, ein Bedienorgan der eingangs genannten Art derart zu verbessern, dass es einerseits die Einleitung der notwendigen Bedienkräfte in die Bedienschnüre einer Sonnenschutzanlage erlaubt, andererseits aber bei Unfällen frühzeitig die Schlaufe gelöst wird.The object of the present invention is to improve an operating member of the type mentioned in such a way that on the one hand allows the introduction of the necessary operating forces in the operating cords of a sunshade system, but on the other hand, the loop is loosened early in accidents.

Erfindungsgemäß wird die Aufgabe dadurch gelöst, dass die Freigabeeinrichtung ein bewegliches Auslöseelement, ein vorgespanntes elastisches Element und korrespondierende Klemmflächen an dem Gehäuse und an dem Auslöseelement aufweist, zwischen denen die Schnurenden unter der Wirkung des vorgespannten elastischen Elements verklemmt sind, wobei eine Auslösekraft auf das Auslöseelement zur Freigabe der Schnurenden kleiner als die von dem Bedienorgan auf die Bedienschnüre übertragbaren Kräfte ist.According to the invention the object is achieved in that the release device comprises a movable trigger element, a biased elastic element and corresponding clamping surfaces on the housing and on the trigger element, between which the cord ends are clamped under the action of the prestressed elastic element, wherein a triggering force on the trigger element to release the cord ends is smaller than the transferable from the operator to the operating cords forces.

Der Vorteil der erfindungsgemäßen Lösung besteht darin, dass die Freigabeeinrichtung nicht mehr durch die über die Bedienschnüre übertragenen Kräfte ausgelöst wird, sondern durch das separat auslösbare Auslöseelement, das mittels der Geometrie der Klemmflächen und der Vorspannung des elastischen Elements in seinem Auslöseverhalten unabhängig von den auf die Bedienschnüre wirkenden Kräften angepasst werden kann.The advantage of the solution according to the invention is that the release device is no longer triggered by the forces transmitted over the operating cords, but by the separately triggerable trigger element, by means of the geometry of the clamping surfaces and the bias of the elastic member in its tripping behavior regardless of the on the Operating cords acting forces can be adjusted.

Besonders bevorzugt ist eine Ausführungsform, bei welcher das Auslöseelement ein Betätigungselement aufweist, das aus dem Gehäuse des Bedienorgans hervorsteht.Particularly preferred is an embodiment in which the triggering element has an actuating element which protrudes from the housing of the operating member.

Der Vorteil dieser Lösung besteht darin, dass das Betätigungsorgan von den Griffbereichen des Bedienorgans, die gewöhnlich zum Bedienen der Sonnenschutzanlage erfasst werden, räumlich eindeutig getrennt werden kann, so dass eine Fehlauslösung der Freigabeeinrichtung vermieden wird.The advantage of this solution is that the actuator of the handle portions of the operating organ, which are usually detected for operating the sunshade system, can be spatially separated clearly, so that a false triggering of the release device is avoided.

Besonders bevorzugt ist eine Ausführungsform, bei welcher das Betätigungselement zwischen den Bedienschnüren angeordnet ist.Particularly preferred is an embodiment in which the actuating element is arranged between the operating cords.

Diese räumliche Lage ist besonders vorteilhaft, weil in der Regel dann, wenn sich jemand unbeabsichtigt in der Schnur verfängt, an genau dieser Stelle die Krafteinleitung zur Betätigung der Freigabeeinrichtung erfolgen wird. Gleichzeitig lässt sich das Betätigungsorgan räumlich gut von den Griffbereichen des Bedienorgans selbst trennen, so dass eine Fehlauslösung weitestgehend vermieden wird.This spatial position is particularly advantageous, because usually when someone accidentally gets caught in the cord, the force is applied to actuate the release device at exactly this point. At the same time, the actuator can be spatially well separated from the grip areas of the operating element, so that a false triggering is largely avoided.

Das Betätigungselement ist an seinem aus dem Gehäuse herausragenden Ende vorzugsweise mit einem Kontaktelement versehen, das als flächiges Kontaktelement ausgebildet sein kann. Möglich ist es auch, das freie Ende als Kugelelement auszubilden, wobei das Kugelelement unmittelbar das flächige Kontaktelement bilden kann oder auf dem Kugelelement ein weiteres, vorzugsweise flächiges Kontaktelement verankert werden kann.The actuating element is preferably provided at its end protruding from the housing with a contact element, which may be formed as a flat contact element. It is also possible to form the free end as a ball element, wherein the ball element can directly form the planar contact element or on the ball element another, preferably flat contact element can be anchored.

Weiterhin ist es besonders bevorzugt, wenn die Klemmflächen in Bezug auf die Bewegungsrichtung des Auslöseelements geneigt angeordnet sind. Die Neigung der Klemmflächen ist eine der bereits angesprochenen Gestaltungsmöglichkeiten, um die Auslösekraft im Verhältnis zu der durch die Schnurverklemmung übertragbaren Bedienkraft anzupassen. Durch die geneigten Klemmflächen sind mit vergleichsweise geringen Federkräften des elastischen Spannelements nämlich hohe Klemmkräfte auf die Schnurenden möglich, die andererseits durch das Aufbringen einer relativ kleinen Kraft und Verschieben des Auslöseelements aufgehoben werden können.Furthermore, it is particularly preferred if the clamping surfaces are arranged inclined with respect to the direction of movement of the triggering element. The inclination of the clamping surfaces is one of the design possibilities already mentioned, in order to adapt the release force in relation to the transferable by the cord lock operating force. Due to the inclined clamping surfaces, high clamping forces on the cord ends are possible with comparatively small spring forces of the elastic tensioning element, which on the other hand can be canceled by the application of a relatively small force and displacement of the triggering element.

Beispielsweise kann das Auslöseelement wenigstens teilweise keilförmig zur Ausbildung der Klemmflächen ausgebildet sein, wobei die Klemmflächen für die Schnurenden vorzugsweise gleichmäßig um eine Mittelachse des Auslöseelements verteilt angeordnet sind. Auf diese Weise wird vermieden, dass die hohen Klemmkräfte auf die bewegliche Führung des Auslöseelements wirken, da sich durch die Symmetrie der Anordnung die Querkräfte auf das Auslöseelement wenigstens teilweise aufheben. Dies bedeutet, dass als Führung z. B. unmittelbar das Kunststoffmaterial des Gehäuses und des Auslöseelements dienen können. Die gleichmäßig verteilte Anordnung ist in der Regel unproblematisch zu realisieren, zumal Sonnenschutzanlagen in der Regel eine Mehrzahl von Schnurenden aufweisen, in der Regel wenigstens zwei Schnurenden, allerdings auch bis zu acht Schnurenden.For example, the triggering element may be at least partially wedge-shaped to form the clamping surfaces, wherein the clamping surfaces for the string ends are preferably distributed uniformly about a central axis of the triggering element. In this way, it is avoided that the high clamping forces act on the movable guide of the triggering element, since due to the symmetry of the arrangement, the transverse forces cancel at least partially on the triggering element. This means that as a guide z. B. can serve directly the plastic material of the housing and the trigger element. The evenly distributed arrangement is usually unproblematic to realize, especially since sunshades usually have a plurality of string ends, usually at least two string ends, but also up to eight string ends.

Die Klemmflächen des Gehäuses sind vorzugsweise an den Innenflanken eines vorzugsweise einstückig ausgebildeten Klemmringes ausgebildet. Durch die Ausbildung als Ring werden die eingeleiteten Klemmkräfte gut aufgenommen und insbesondere erfolgt keine unmittelbare Krafteinleitung in das Gehäuse, das beispielsweise aus zwei Gehäusehälften bestehen kann, die über geeignete Befestigungsmittel miteinander verbunden sind, ohne dass diese Befestigungsmittel dann durch die Klemmkräfte oder sonstige Kräfte beansprucht werden würden.The clamping surfaces of the housing are preferably formed on the inner edges of a preferably integrally formed clamping ring. By training as a ring, the introduced clamping forces are well received and In particular, there is no direct introduction of force into the housing, which may for example consist of two housing halves, which are connected to each other via suitable fastening means, without these fasteners would then be claimed by the clamping forces or other forces.

Besonders vorteilhaft ist die geschlossene Form des Ringes, wobei dieser einen eckigen, kreisförmigen oder ovalen Querschnitt besitzen kann.Particularly advantageous is the closed shape of the ring, which may have a square, circular or oval cross-section.

Vorzugsweise besitzen die Schnurenden jeweils eine Verdickung. Die Verdickungen dienen als Positionierungshilfe der Schnurenden beim Verklemmen an den Klemmflächen und können beispielsweise durch Knoten, Plomben oder ähnliche Maßnahmen gebildet sein.Preferably, the string ends each have a thickening. The thickenings serve as a positioning aid of the cord ends when jammed at the clamping surfaces and can be formed for example by knots, seals or similar measures.

Für die Verdickungen sind vorzugsweise in einem an die Klemmflächen anschließenden Bereich Erweiterungen vorgesehen, so dass die Klemmflächen optimal auf die Schnur wirken können und nicht die Verdickungen betreffen.For the thickenings, extensions are preferably provided in a region adjoining the clamping surfaces, so that the clamping surfaces can optimally act on the cord and do not affect the thickenings.

Als elastisches Spannelement eignet sich beispielsweise eine Schraubenfeder, die zwischen dem Gehäuse und dem Auslöseelement angeordnet ist.As an elastic clamping element, for example, a coil spring is suitable, which is arranged between the housing and the triggering element.

Nachfolgend wird anhand der beigefügten Zeichnungen näher auf ein Ausführungsbeispiel der Erfindung eingegangen.Hereinafter, an embodiment of the invention will be described in more detail with reference to the accompanying drawings.

Es zeigen:

Fig. 1
Einen Längsschnitt durch ein Bedienorgan in einer normalen Betätigungsstellung;
Fig. 2
Das Bedienorgan nach Fig. 1 in der ausgelösten Freigabestellung.
Show it:
Fig. 1
A longitudinal section through an operating element in a normal operating position;
Fig. 2
The operating organ after Fig. 1 in the triggered release position.

In Fig. 1 ist ein Bedienorgan 10 gezeigt, wie es zur Betätigung von Bedienschnüren 12 für Sonnenschutzanlagen (nicht gezeigt) eingesetzt wird. Die eigentliche Betätigung der Bedienschnüre erfolgt mittels einer Bedienschnur 14, die am unteren Ende eines Gehäuses 16 des Bedienorgans 10 mittig festgelegt ist.In Fig. 1 an operating element 10 is shown as it is used for operating control cables 12 for sun protection systems (not shown). The actual operation of the operating cords by means of an operating cord 14 which is fixed centrally at the lower end of a housing 16 of the operating member 10.

Das Gehäuse besteht bei dem gezeigten Ausführungsbeispiel aus zwei Hälften, von welchen nur eine untere Hälfte 18 gezeigt ist, da die Schnittebene der Darstellung genau zwischen den beiden Gehäusehälften liegt. Erkennbar sind aber Befestigungselemente 20 der zweiten Gehäusehälfte, die in entsprechende Aussparungen der unteren Gehäusehälfte 18 eingreifen und so die Verbindung der beiden Gehäusehälften sicherstellen.The housing consists in the embodiment shown of two halves, of which only a lower half 18 is shown, since the sectional plane of the representation lies exactly between the two housing halves. But recognizable are fasteners 20 of the second housing half, which engage in corresponding recesses of the lower housing half 18 and thus ensure the connection of the two housing halves.

Das Gehäuse 10 besitzt ferner eine Längsführung 22 in Form von Rippen oder alternativ Nuten, die mit entsprechenden Formgebungen eines Auslöseelements 24 zusammenwirken. Entsprechend ist das Auslöseelement 24 entlang der Längsführung 22 in dem Gehäuse 16 geführt.The housing 10 further has a longitudinal guide 22 in the form of ribs or alternatively grooves which cooperate with corresponding shapes of a triggering element 24. Accordingly, the trigger element 24 is guided along the longitudinal guide 22 in the housing 16.

Zwischen dem Auslöseelement 24 und dem Gehäuse 16 ist eine Schraubenfeder 26 als elastisches Vorspannelement vorgesehen, die sich an einem gehäuseseitig festgelegten Stützteller 28 und einer Ringnut 30 an einem Ende des Auslöseelements 24 abstützt.Between the trigger element 24 and the housing 16, a helical spring 26 is provided as an elastic biasing element, which is attached to a support plate 28 fixed on the housing side and an annular groove 30 at one end of the trigger member 24 is supported.

Das Auslöseelement 24 besitzt ferner zwei Klemmflächen 32, die mit Klemmflächen 34 eines in das Gehäuse eingesetzten Ringelements 36 zusammenwirken, das bei dem gezeigten Ausführungsbeispiel eine ovale Querschnittskontur besitzt, aber auch, je nach Form des Gehäuses, einen eckigen Querschnitt oder einen kreisförmigen Querschnitt haben kann. Die Neigung der Klemmflächen 32 des Auslöseelements 24 ist der Neigung der Klemmflächen 34 des Ringelements 36 angepasst, wobei erkennbar ist, dass die Neigung in einem spitzen Winkel zur Längsführungsrichtung des Auslöseelements 24 steht. Durch diese Neigung lassen sich erhebliche Klemmkräfte zwischen den Klemmflächen 32 bzw. 34 unter der Wirkung der Vorspannkraft der Schraubenfeder 26 aufbauen.The triggering element 24 also has two clamping surfaces 32 which cooperate with clamping surfaces 34 of a ring member 36 inserted into the housing, which has an oval cross-sectional contour in the embodiment shown, but also, depending on the shape of the housing, may have a polygonal cross section or a circular cross section , The inclination of the clamping surfaces 32 of the trigger element 24 is adapted to the inclination of the clamping surfaces 34 of the ring member 36, wherein it can be seen that the inclination is at an acute angle to the longitudinal direction of the trigger element 24. By this tendency can be considerable clamping forces between the clamping surfaces 32 and 34 build up under the action of the biasing force of the coil spring 26.

Wie aus Fig. 1 ebenfalls gut zu erkennen ist, sind die Enden der Bedienschnüre 12 zwischen den Klemmflächen 32 des Auslöseelements und den Klemmflächen 34 des Ringelements 36 verklemmt. Die, wie bereits erwähnt aufgrund der geneigten Klemmflächen hohen Haltekräfte erlauben die sichere Übertragung der zur Betätigung der Sonnenschutzanlage notwendigen Bedienkräfte von dem Bedienorgan 10 auf die Bedienschnüre 12. An den Enden der Bedienschnüre sind Verdickungen 38 vorgesehen, die schematisch dargestellt sind und beispielsweise durch Knoten, Plomben oder ähnliche Einrichtungen gebildet sein können. Die Verdickungen 38 erleichtern das Einlegen der Bedienschnüre 12 und deren genaue Positionierung und verhindern, dass bei einer geringfügigen versehentlichen Verstellung des Auslöseelements 24 die Bedienschnüre 12 aus der Verklemmung rutschen können. Im Bereich der Verdickungen 38 sind in dem Gehäuse 16 Freiräume vorgesehen, die hier durch das untere Ende des Ringelements 36 und dem sich verjüngenden Querschnitt des Auslöseelements 24 gebildet sind.How out Fig. 1 can also be seen well, the ends of the operating cords 12 between the clamping surfaces 32 of the trigger element and the clamping surfaces 34 of the ring member 36 are clamped. The, as already mentioned, due to the inclined clamping surfaces high holding forces allow the safe transmission of necessary for operating the sunshade operator from the operating element 10 on the operating cords 12. At the ends of the operating cords thickenings 38 are provided, which are shown schematically and, for example, by nodes, Seals or similar devices may be formed. The thickenings 38 facilitate the insertion of the operating cords 12 and their exact positioning and prevent that at a slight accidental adjustment of the trigger element 24, the operating cords 12 can slip out of the jamming. In the region of the thickenings 38 free spaces are provided in the housing 16, which are formed here by the lower end of the ring member 36 and the tapered cross-section of the trigger element 24.

Um die Auslösekräfte 24 zur Freigabe der Bedienschnüre 12 beispielsweise bei einem Unfall sicher einleiten zu können, verfügt das Auslöseelement 24 über ein aus dem Gehäuse 16 ragendes Betätigungselement 40, das an seinem freien Ende mit einem Kugelelement 42 abschließt. Dieses Kugelelement 42 in der Form eines Kugelkopfes kann unmittelbar ein flächiges Kontaktelement bilden, wobei die Anordnung zwischen den Bedienschnüren 12 beispielsweise dann vorteilhaft, wenn sich ein Kind in den Bedienschnüren verfängt und stürzt, weil dann zwangsläufig eine Krafteinleitung in der Führungsrichtung auf das Auslöseelement 24 erfolgt. In der Regel genügt der gezeigte Kugelkopf 42 als Betätigungselement, es ist aber auch möglich, an diesem Kugelkopf 42 weitere flächige Kontaktelemente festzulegen, um eine noch sicherere Auslösung in einem Notfall zu erreichen.In order to be able to safely initiate the release forces 24 for releasing the operating cords 12, for example in the event of an accident, the triggering element 24 has an actuating element 40 which protrudes from the housing 16 and terminates at its free end with a ball element 42. This ball element 42 in the form of a ball head can directly form a planar contact element, the arrangement between the operating cords 12, for example, advantageous when a child caught in the operating cords and crashes, because then inevitably takes place a force in the guide direction on the trigger element 24 , As a rule, the ball head 42 shown is sufficient as an actuating element, but it is also possible to fix further flat contact elements on this ball head 42 in order to achieve an even safer triggering in an emergency.

In Fig. 2 ist die Freigabe der Bedienschnüre 12 durch Auslösen der Freigabeeinrichtung, die aus dem Auslöseelement 24, der Schraubenfeder 26 und den Klemmflächen 32 bzw. 34 besteht, gezeigt. Durch die Einleitung einer Kraft, die deutlich niedriger liegen kann, als die zur Betätigung der Bedienschnüre 12 üblichen Kräfte, wird das Auslöseelement 24 gegen die Wirkung der Schraubenfeder 26 verlagert, so dass sich die Klemmflächen 32 des Auslöseelements 24 von den Klemmflächen 34 des Ringelements 36 ablösen. Dadurch werden die Enden der Bedienschnüre 12 frei und können kraftlos aus dem Gehäuse 16 gleiten, wodurch die aus den Bedienschnüren 12 und dem Gehäuse 16 gebildete Schlaufe geöffnet wird und in der Folge keine Verletzungsgefahr mehr für eine Person besteht, die sich in der Schlaufe verfangen hat. Verletzungen, wie z. B. Strangulationen bei stürzenden Kindern, sind damit sicher ausgeschlossen.In Fig. 2 is the release of the operating cords 12 by triggering the release device, which consists of the trigger element 24, the coil spring 26 and the clamping surfaces 32 and 34, respectively. By initiating a force that can be significantly lower than the usual forces for operating the operating cords 12, the trigger element 24 is displaced against the action of the coil spring 26, so that the clamping surfaces 32 of the trigger element 24 of the clamping surfaces 34 of the ring member 36th peel off. As a result, the ends of the operating cords 12 are free and can slide out of the housing 16 powerless, causing the out of the operating cords 12th and the loop 16 formed in the housing 16 is opened and consequently there is no longer any risk of injury to a person who has caught in the loop. Injuries, such as As strangulations in children who fall, are thus safely excluded.

Soll nach einem derartigen Lösen der Freigabeeinrichtung das Bedienorgan 12 wieder einsatzfähig hergerichtet werden, ist es lediglich notwendig, das Auslöseelement durch Betätigen gegen die Kraft der Schraubenfeder 26 in die in Fig. 2 gezeigte Stellung zu bewegen, die Enden der Bedienschnüre 12 mit den Verdickungen 38 in den Spalt zwischen dem Ringelement 38 und dem Auslöseelement 24 einzuführen und das Auslöseelement 24 freizugeben, so dass es unter der Wirkung der vorgespannten Schraubenfeder 26 in die in Fig. 1 gezeigte Stellung bewegt wird, wobei die Schnurenden zwischen den Klemmflächen 32 und 34 verklemmt werden. Eine exakte Ausrichtung der Bedienschnüre 12 ist anschließend durch geringfügiges Bewegen des Auslöseelements 24 gerade in einem Umfang möglich, dass die Klemmwirkung aufgehoben wird. Dadurch können die Verdickungen 38, die die exakte Länge der Bedienschnüre 12 definieren, bis an den durch die Unterseite des Ringelements 36 und das Auslöseelement 24 gebildeten Anschlag rutschen. Das Bedienorgan 10 ist damit wieder unmittelbar einsatzbereit, wobei selbstverständlich auch wieder die Funktionsfähigkeit der Freigabeeinrichtung gegeben ist.If after such release of the release device, the operating member 12 are prepared ready for use again, it is only necessary, the triggering element by pressing against the force of the coil spring 26 in the in Fig. 2 shown position to insert the ends of the operating cords 12 with the thickenings 38 in the gap between the ring member 38 and the trigger member 24 and release the trigger member 24 so that it under the action of the biased coil spring 26 in the in Fig. 1 shown position, wherein the cord ends between the clamping surfaces 32 and 34 are clamped. An exact alignment of the operating cords 12 is then possible by slightly moving the trigger element 24 just to the extent that the clamping action is canceled. As a result, the thickenings 38, which define the exact length of the operating cords 12, can slide up to the stop formed by the underside of the ring element 36 and the triggering element 24. The control element 10 is thus immediately ready for use, of course, again the functionality of the release device is given.

Claims (15)

Bedienorgan mit Sicherheitsfunktion mit an ihm festgelegten Schnurenden von Bedienschnüren (12) für Sonnenschutzanlagen, wobei ein Gehäuse (16) des Bedienorgans (12) und eine Freigabeeinrichtung vorgesehen sind, die bei Einleiten einer Kraft die Schnurenden wenigstens teilweise von dem Bedienorgan (10) entkoppelt, dadurch gekennzeichnet, dass die Freigabeeinrichtung ein bewegliches Auslöseelement (24), ein vorgespanntes elastisches Element (26) und korrespondierende Klemmflächen (32,34) an dem Gehäuse (16) und dem Auslöseelement (24) aufweist, zwischen denen die Schnurenden unter der Wirkung des vorgespannten elastischen Elements verklemmt sind, wobei eine Auslösekraft auf das Auslöseelement (24) zur Freigabe der Schnurenden kleiner als die von dem Bedienorgan (10) auf die Bedienschnüre (12) übertragbaren Kräfte ist.Operating element with safety function with cord ends of operating cords (12) fixed to it for sun protection systems, wherein a housing (16) of the operating element (12) and a release device are provided, which decouples the cord ends at least partially from the operating element (10) when a force is introduced, characterized in that the release means comprises a movable trigger member (24), a biased resilient member (26) and corresponding clamping surfaces (32, 34) on the housing (16) and the trigger member (24) between which the cord ends are deflected under the action of prestressed elastic element are clamped, wherein a release force on the trigger element (24) for releasing the cord ends is smaller than that of the operating member (10) on the operating cords (12) transferable forces. Bedienorgan nach Anspruch 1, dadurch gekennzeichnet, dass das Auslöseelement (24) ein Betätigungselement (40) aufweist, das aus dem Gehäuse (16) des Bedienorgans (10) hervorsteht.Control element according to claim 1, characterized in that the triggering element (24) has an actuating element (40) which protrudes from the housing (16) of the operating member (10). Bedienorgan nach Anspruch 2, dadurch gekennzeichnet, dass das Betätigungselement (40) zwischen den Bedienschnüren (12) liegt.Control element according to claim 2, characterized in that the actuating element (40) between the operating cords (12). Bedienorgan nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass das Betätigungselement (40) an seinem aus dem Gehäuse (16) hervorstehenden Ende mit einem Kontaktelement versehen ist.Control element according to claim 2 or 3, characterized in that the actuating element (40) is provided at its end projecting out of the housing (16) with a contact element. Bedienorgan nach Anspruch 4, dadurch gekennzeichnet, dass das Betätigungselement (40) an seinem freien Ende einen Kugelkopf (42) aufweist, der das Kontaktelement bildet oder an welchem ein flächiges Kontaktelement festgelegt ist.Control element according to claim 4, characterized in that the actuating element (40) at its free end a Ball head (42) which forms the contact element or on which a flat contact element is fixed. Bedienorgan nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Klemmflächen (32,34) in Bezug auf die Bewegungsrichtung des Auslöseelements (24) geneigt angeordnet sind.
Operating element according to one of the preceding claims,
characterized in that the clamping surfaces (32,34) with respect to the direction of movement of the trigger element (24) are arranged inclined.
Bedienorgan nach Anspruch 6, dadurch gekennzeichnet, dass das Auslöseelement (24) wenigstens teilweise keilförmig zur Ausbildung der Klemmflächen (32) ausgebildet ist.Control element according to claim 6, characterized in that the triggering element (24) is at least partially wedge-shaped to form the clamping surfaces (32). Bedienorgan nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass die Klemmflächen (32) für die Schnurenden gleichmäßig verteilt um eine Mittelachse des Auslöseelements (24) angeordnet sind.Control element according to claim 6 or 7, characterized in that the clamping surfaces (32) for the string ends evenly distributed around a central axis of the trigger element (24) are arranged. Bedienorgan nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, dass die Klemmflächen(34) des Gehäuses (16) an einem Klemmring (36) an dessen Innenflanke ausgebildet sind.Control element according to one of claims 6 to 8, characterized in that the clamping surfaces (34) of the housing (16) are formed on a clamping ring (36) on its inner edge. Bedienorgan nach Anspruch 9, dadurch gekennzeichnet, dass der Klemmring (36) einen eckigen, kreisförmigen oder ovalen Querschnitt besitzt und einstückig ausgebildet ist.Control element according to claim 9, characterized in that the clamping ring (36) has a polygonal, circular or oval cross-section and is integrally formed. Bedienorgan nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Schnurenden jeweils mit einer Verdickung (38) versehen sind.
Operating element according to one of the preceding claims,
characterized in that the cord ends are each provided with a thickening (38).
Bedienorgan nach Anspruch 11, dadurch gekennzeichnet, dass die Verdickung einen Knoten oder eine Plombe aufweist.Control element according to claim 11, characterized in that the thickening has a node or a seal. Bedienorgan nach Anspruch 11 oder 12, dadurch gekennzeichnet, dass die Verdickung (38) in einem an die Klemmflächen (32,34) anschließenden erweiterten Bereich ruhen.Control element according to claim 11 or 12, characterized in that the thickening (38) rest in an extended area adjoining the clamping surfaces (32, 34). Bedienorgan nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Gehäuse (16) aus zwei Gehäusehälften (18) besteht, die aneinander lösbar befestigt sind.Control element according to one of the preceding claims, characterized in that the housing (16) consists of two housing halves (18) which are releasably secured to each other. Bedienorgan nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das elastische Element eine Schraubenfeder (26) ist.Control element according to one of the preceding claims, characterized in that the elastic element is a helical spring (26).
EP20100007565 2010-07-21 2010-07-21 Operating assenbly for sunshade Not-in-force EP2410119B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20100007565 EP2410119B1 (en) 2010-07-21 2010-07-21 Operating assenbly for sunshade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20100007565 EP2410119B1 (en) 2010-07-21 2010-07-21 Operating assenbly for sunshade

Publications (2)

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EP2410119A1 true EP2410119A1 (en) 2012-01-25
EP2410119B1 EP2410119B1 (en) 2014-04-23

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ID=42678051

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100007565 Not-in-force EP2410119B1 (en) 2010-07-21 2010-07-21 Operating assenbly for sunshade

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19500097A1 (en) 1994-12-20 1996-07-11 Teh Yor Ind Co Ltd Safety pull cap for bi=directional detachment of blind pull string
US5715884A (en) * 1997-01-06 1998-02-10 Cotten; Fred Window covering cord safety assembly
US6910517B1 (en) * 2002-10-07 2005-06-28 Comfortex Corporation Equalizing connector for multi-cord architectural covering
DE60201961T2 (en) 2001-12-17 2005-11-03 Hunter Douglas Industries B.V. Securing device for cord-handling actuating system
EP1514992B1 (en) 2003-09-11 2009-09-23 Hunter Douglas Industries B.V. Safety cord connector

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19500097A1 (en) 1994-12-20 1996-07-11 Teh Yor Ind Co Ltd Safety pull cap for bi=directional detachment of blind pull string
US5715884A (en) * 1997-01-06 1998-02-10 Cotten; Fred Window covering cord safety assembly
DE60201961T2 (en) 2001-12-17 2005-11-03 Hunter Douglas Industries B.V. Securing device for cord-handling actuating system
US6910517B1 (en) * 2002-10-07 2005-06-28 Comfortex Corporation Equalizing connector for multi-cord architectural covering
EP1514992B1 (en) 2003-09-11 2009-09-23 Hunter Douglas Industries B.V. Safety cord connector

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