EP3783188A1 - Protective roller for an opening in a building - Google Patents

Protective roller for an opening in a building Download PDF

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Publication number
EP3783188A1
EP3783188A1 EP19193200.3A EP19193200A EP3783188A1 EP 3783188 A1 EP3783188 A1 EP 3783188A1 EP 19193200 A EP19193200 A EP 19193200A EP 3783188 A1 EP3783188 A1 EP 3783188A1
Authority
EP
European Patent Office
Prior art keywords
roller blind
tubular motor
shaft
hollow shaft
protective roller
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
EP19193200.3A
Other languages
German (de)
French (fr)
Other versions
EP3783188C0 (en
EP3783188B1 (en
Inventor
Marco MENDL
Christina KOCHLER
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.)
Macs Holding GmbH
Original Assignee
Macs Holding 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.)
Filing date
Publication date
Application filed by Macs Holding GmbH filed Critical Macs Holding GmbH
Priority to EP19193200.3A priority Critical patent/EP3783188B1/en
Publication of EP3783188A1 publication Critical patent/EP3783188A1/en
Application granted granted Critical
Publication of EP3783188C0 publication Critical patent/EP3783188C0/en
Publication of EP3783188B1 publication Critical patent/EP3783188B1/en
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
    • E06B9/40—Roller blinds
    • 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
    • E06B9/52—Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes
    • E06B9/54—Roller fly screens
    • 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
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/60—Spring drums operated only by closure members
    • 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
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B9/72—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned inside the roller

Definitions

  • the invention relates to a protective roller blind for a building opening, with a cover sheet for at least partial covering of the building opening, and with a roller blind box for receiving the cover sheet, and with two spaced apart and parallel profile strips as guide rails for a handle profile coupled to the cover sheet.
  • the invention further relates to an electromotive drive device for such a protective roller blind, as well as a protective roller blind modular system for a building opening.
  • roller blind in contrast to a pleated blind (Roman blind), in which a cover sheet is guided and held on tapes, the cover sheet is wound on a shaft (roller blind shaft, winding shaft), which is usually rotatably mounted in a roller blind box.
  • the shaft interacts, for example, with a spring mechanism which, when the cover sheet is unrolled as intended, is pretensioned in its unwinding direction (pull-out direction).
  • Roller blinds of the type mentioned above are used to protect openings in buildings, such as window or door openings (balcony or patio doors).
  • a protective roller blind is designed, for example, as a frame system with the roller blind box and two lateral guide profiles.
  • the covering strip guided between the guide profiles or profile rails is intended to cover the building opening as completely as possible.
  • the cover sheet prefferably be adjustable into a desired position by means of an electric drive device.
  • electric motor actuation is made possible in protective roller blinds of this type.
  • the drive device is often integrated in the roller blind box, the flexibility and adaptability of the protective roller blind being disadvantageously reduced by the integration of the drive device.
  • the adaptability to different opening sizes of the building opening is disadvantageously restricted.
  • the invention is based on the object of specifying a particularly suitable protective roller blind for a building opening.
  • a protective roller blind with an electromotive drive device is to be specified, which can be adapted as flexibly as possible to different building openings and framework conditions.
  • the invention is also based on the object of specifying a particularly suitable electromotive drive device for such a protective roller blind and a particularly suitable protective roller blind modular system with such a protective roller blind.
  • the object is achieved according to the invention with the features of claim 1 and with regard to the drive device with the features of claim 8 and with regard to the protective roller blind modular system with the features of claim 10.
  • Advantageous refinements and developments are the subject of the dependent claims.
  • the advantages and configurations cited with regard to the protective roller blind can also be applied to the drive device and / or the protective roller blind modular system and vice versa.
  • the protective roller blind according to the invention is suitable and designed for installation in a building opening, in particular in a window opening or a door opening.
  • the protective roller blind here has a covering sheet as a roller blind or roller blind fabric on, by means of which the building opening can be at least partially covered.
  • the cover sheet is preferably designed as a protective fabric, in particular as a particle, insect or pollen protection fabric, or as a visual or sun protection fabric.
  • the cover sheet is designed in particular as a mesh fabric (insect protection screen).
  • the cover sheet is preferably not optically transparent or not transparent.
  • the protective roller blind also has a roller blind box or a roller blind cassette for receiving the cover sheet.
  • the cover sheet it is possible for the cover sheet to be able to be arranged essentially completely in the roller blind box in order to open the protective roller blind or the building opening. As a result, the cover sheet is reliably protected from external influences.
  • the protective roller blind has two profile strips that are spaced apart and run parallel to one another as guide rails for a handle profile (end strip, pull-out strip) coupled to the cover strip.
  • the profile strips and the roller blind box form a mountable or mounted frame system of the protective roller blind.
  • the profile strips are arranged as vertical longitudinal profiles on the sides of the building opening, i.e. on the reveal or the frame, the roller blind box being arranged as a horizontal transverse profile on an upper edge of the building opening, i.e. in the area of the lintel.
  • the roller blind box has an open (profile longitudinal) slot facing downwards in the assembled state, ie facing the profile strips or the substrate, via which the cover sheet with the handle profile can be pulled out manually along the guide of the profile strips.
  • the protective roller blind according to the invention also has an electromotive drive device which is integrated in the roller blind box, that is to say built into the roller blind box.
  • the electric or electromotive drive device is for this purpose suitable and set up to adjust the cover strip along an unwinding direction or pull-out direction, which is essentially oriented along the profile strips.
  • the approximately cylindrical drive device has an electromotive tubular motor and a spring shaft as well as a hollow shaft that can be cut to length (hollow winding shaft).
  • the hollow shaft is provided with an inner contour, in which the tubular motor and the spring shaft, designed for example as a helical spring, each engage with a mating contour.
  • the tubular motor and the spring shaft engage in this from opposite end faces of the hollow shaft in a form-fitting and rotationally fixed manner.
  • the hollow shaft is rotatably or rotatably mounted by means of the spring shaft and the tubular motor. This creates a particularly suitable protective roller blind.
  • a “form fit” or a “form fit connection” between at least two interconnected parts is understood here and below in particular to mean that the interconnected parts are held together at least in one direction by a direct interlocking of contours of the parts themselves or by indirect interlocking takes place via an additional connecting part. The "blocking" of a mutual movement in this direction is therefore due to the shape.
  • the protective roller blind or the drive device can be individually adapted to different window or door dimensions, so that the protective roller blind can be flexibly mounted on or in practically all common building openings.
  • the roller blind box and the cover sheet are designed to be cut to length accordingly.
  • the design with the tubular motor and spring shaft inserted, pushed or plugged into the hollow shaft provides a structurally simple drive device that can be cut to length. Since the tubular motor and the spring shaft are used on opposite end faces of the hollow shaft, the mating contours within the hollow shaft are essentially spatially spaced from one another, es a cavity or space is thus formed between the opposing contours. The tubular motor and the spring shaft are thus only indirectly coupled to one another via the hollow shaft. As a result, it is possible to implement a dimensioning or change in the overall length of the drive device by means of a comparatively simple and cost-reduced cutting to length of the hollow shaft.
  • the counter-contour of the tubular motor is expediently coupled in a rotationally fixed manner to its rotor, so that when the rotor rotates, the hollow shaft - and thus the spring shaft - are rotated.
  • the inner contour and the mating contours are thus designed as interlocking joining contours that interlock with one another in a non-rotatable manner.
  • the tubular motor and the spring shaft are coupled in terms of drive technology by means of the hollow shaft.
  • the roughly cylindrical or bolt-shaped tubular motor has an axial size which is larger than its radial size.
  • the tubular motor has a comparatively low (radial) shaft height and a comparatively long (axial) overall length, in particular the overall length is many times greater than the shaft height.
  • the spring shaft and the tubular motor are essentially completely seated in the hollow shaft when they are joined or assembled. In other words, the spring shaft and the tubular motor are essentially completely inserted or pushed into the hollow shaft on the opposite end faces.
  • the hollow cylindrical or tubular hollow shaft extends essentially over the full (horizontal) length of the roller blind box.
  • the tubular motor, the spring shaft and the hollow shaft are arranged coaxially to one another.
  • the spring shaft is preferably designed as a spring mechanism which is mechanically pretensioned when the cover web is unrolled or unwound along the unwinding direction.
  • the tubular motor suitably has a static holding torque which holds the cover sheet in the unwound state against the bias.
  • the tubular motor acts as a blocking or arresting and / or braking means, which prevents an unintentional, abrupt hitting or winding up of the cover sheet due to a spring force-related rolling up. This means that essentially no additional locking or locking means are provided for the drive device.
  • the spring mechanism supports the tubular motor when the cover sheet is rolled up. As a result, the tubular motor can be dimensioned comparatively small with regard to the required torque, and is therefore particularly cost-effective.
  • the drive device To actuate the drive device or the tubular motor, it is possible, for example, for the drive device to have a transceiver for sending and receiving wireless signals. This makes it possible, for example, to couple the drive device to an operating element, such as a radio remote control, and to operate it in an easy-to-use manner. This significantly improves the user comfort of the protective roller blind.
  • the operating element can also be implemented, for example, as a mobile phone, in particular as a mobile phone with a computer function or as a smartphone, or also as a tablet computer.
  • the operating element has, for example, stored application software (operating software) for controlling the drive device.
  • the application software can preferably be installed or installed on the control element as a so-called app or mobile app (mobile application, smartphone app).
  • the tubular motor has a smaller overall axial length than the spring shaft in relation to a longitudinal direction of the hollow shaft (axial direction).
  • a tubular motor with a particularly compact installation space is thereby implemented.
  • the drive device has a chargeable electrical energy store, for example in the form of an electrochemical accumulator, which is coupled to the tubular motor.
  • the energy store is integrated in the roller blind box, in particular in the tubular motor. This further improves the flexibility of the protective roller blind, since the drive device can thus be operated essentially independently of a supply network. In other words, no additional mains connection of the drive device is necessary.
  • the energy store can be charged by means of a photovoltaic or solar cell, or a photovoltaic or solar panel.
  • the photovoltaic cell is expediently arranged on a surface of the roller blind box facing the outside of the building. This enables the energy store to be charged in a particularly cost-effective and cost-effective manner.
  • the energy store in particular integrated into the tubular motor, expediently has a charging interface for electrically conductive coupling with the photovoltaic cell.
  • the charging interface is designed, for example, as a USB-C socket so that the energy storage device can also be connected to a mobile additional battery (power bank) for charging, for example when it is cloudy.
  • the mating contour of the spring shaft and / or the tubular motor has a driver head with radial ribs distributed in the circumferential direction, which in the joined state lie on the inside wall, for example non-positively or frictionally, in the inner contour.
  • the driver head of the mating contour is thus connected to the hollow shaft on the inside wall in a form-fitting manner and practically fixed to the shaft. This ensures a particularly stable and non-rotatable drive coupling of the spring shaft and / or the tubular motor with the hollow shaft.
  • a “frictional connection” or a “non-positive connection” between at least two interconnected parts is understood here and in the following in particular to mean that the interconnected parts are prevented from sliding off one another due to a frictional force acting between them. If there is no "connecting force” causing this frictional force (this means the force which presses the parts against one another, for example a screw force or the weight itself), the force-fit connection cannot be maintained and thus released.
  • the roller blind box has a cover cap on each of its opposite end faces. Lateral cut edges of the roller blind box, which can preferably be cut to length, can thus be visually visibly covered by means of the cover cap.
  • the cover caps are each provided with a joining contour that protrudes axially along the longitudinal direction of the hollow shaft, by means of which the spring shaft or the tubular motor are held in the roller blind box in a stationary or rotationally fixed manner.
  • the joining contour for the spring shaft is designed as an axial journal on which the spring shaft is placed in a non-positive or frictional manner.
  • a rotatably mounted shaft bushing for the hollow shaft is arranged on the spring shaft in the area of the axial journal.
  • the joining contour for the tubular motor is designed as an axial joining pin which engages positively in a joining receptacle of the tubular motor. This ensures that the tubular motor is held in a simple and reliable manner in a stationary and rotationally fixed manner in the roller blind box.
  • the electromotive drive device is suitable and set up for a protective roller blind described above.
  • the drive device has an electric or electromotive tubular motor and a spring shaft as well as a hollow shaft which is coupled to one another in terms of drive technology.
  • the hollow shaft can be cut to length and is provided with an inner contour into which the tubular motor and the spring shaft engage positively and non-rotatably by means of counter contours on opposite end faces of the hollow shaft.
  • a particularly suitable drive device is thereby implemented.
  • a particularly flexible and easily adaptable drive device is thus implemented.
  • the protective roller blind described above or the drive device described above are part of a modular protective roller blind system.
  • the protective roller blind modular system is provided as an assembly set based on the modular principle, in particular as a DIY assembly set (Do-It-Yourself), for individual adjustment to different window or door dimensions, so that the system can be flexibly adapted to practically all common building openings can.
  • roller blind box and the drive device as well as the profile strips and the cover sheet are each made in only one or as few different standard sizes as possible, and a consumer can put together an individual protective roller blind or frame system for the respective building opening.
  • the flexibility of the protective roller blind that can be mounted in this way is increased in a simple and advantageous manner and thus an adaptation to different boundary conditions found on site for the assembly is possible.
  • the roller blind box, the drive device or the hollow shaft, the profile strips, the handle profile and the cover strip are designed to be cut to length. This further increases the flexibility of the modular protective roller blind system and, for example, simplifies use in old buildings with variable opening dimensions.
  • the cut edges of the roller blind box are preferably visually visibly coverable by means of a cover cap that can be placed on the end face.
  • the profile strips also have, for example, a cover cap on the underground side in the assembled state in the form of a stand to cover the cut edges.
  • the profile strips and the roller blind box and the handle profile are preferably metal profiles that can be cut to length, for example made of aluminum. Their cross section is preferably essentially rectangular. However, square or rounded designs are also conceivable.
  • the Fig. 1 shows a front view of a protective roller blind 2 with a roller blind box 4 and profile strips 6 arranged laterally thereon.
  • a handle profile 8 is guided on or in the profile strips 6 as a pull-out strip for a cover strip 10.
  • the cover sheet 10 is on the one hand held at the end of the web on the handle profile 8, for example by means of a piping, and on the other hand is wound on a hollow shaft (winding shaft, roller blind shaft) 12 that can be cut to length on the web end ( Fig. 3 ).
  • the profile strips 6 can each be screw-fastened to a reveal or frame of a building opening by means of three fastening elements 14.
  • the cover sheet 10 is, for example, a particle, insect or pollen protection fabric (insect screen).
  • the cover sheet 10 can also be a visual or sun protection fabric or the like.
  • the in Fig. 2 The individually illustrated roller blind box 4 is closed at the end in the area of the connection of the respective profile strip 6 by means of a detachable cover cap 16, 18.
  • the roller blind box 4 is designed as a profile strip with a hollow profile.
  • the roller blind box 4 here has an approximately rectangular cross-sectional shape, with a screw receptacle 20 being arranged in each of the inside corner areas, into which fastening screws (not shown in more detail) for fixing the cover caps 16, 18 can be screwed.
  • the roller blind box 4 has an inner chamber 22 for receiving a drive device 24 comprising the hollow shaft 12 ( Fig. 3 ) and the cover sheet 10.
  • the inner chamber 22 is opened in the longitudinal direction by means of a longitudinal profile slot 26 towards an underside facing the handle profile 8.
  • a joining chamber 28 is provided for receiving an approximately strip-shaped sealing element (sealing brush), not shown in detail.
  • the drive device 24 is shown below with reference to FIG Figures 3 , 5 and 6th explained in more detail.
  • the approximately cylindrical drive device 24 is integrated into the roller blind box 4.
  • the drive device 24 has a tubular motor 30 and a spring shaft 32 as well as the hollow shaft 12, which are arranged coaxially to one another.
  • the spring shaft 32 is designed as a spring mechanism which, during manual or electric motor unwinding of the cover web 10 along a vertical unwinding direction (pull-out direction) A, resiliently biases the latter and thus the cover web 10 in the opposite direction or in the winding direction (pull-in direction) B.
  • the spring shaft 32 supports the tubular motor 30 in winding the cover sheet 10.
  • the spring shaft 32 has, for example, two spring elements 34, 36 designed as helical springs, which are mechanically coupled by means of a torsion bar 38 arranged between them.
  • the outside spring element 34 is seated in the assembled state on an axial joining contour 40 of the cover cap 18.
  • the joining contour 40 is designed as an approximately cylindrical or bolt-shaped axial pin.
  • the spring element 34 is placed or pushed onto the joining contour 40 in a rotationally fixed or stationary manner.
  • the in Fig. 8 Tubular motor 30, shown individually, has a joining receptacle 44 for a joining contour 46 of the in Fig. 7 cap 16 shown.
  • the joining contour 46 is designed here as an axial joining pin with an approximately star-shaped cross-sectional shape, which engages positively in the complementarily shaped joining receptacle 44. In the assembled or joined state, the tubular motor 30 is therefore held in a stationary and rotationally fixed manner on the cover cap 16.
  • the handle profile 8 is - as in particular in the Fig. 6 can be seen - designed as a hollow profile, wherein in the assembled state an elongated, approximately strip-shaped weight 48 is arranged in the handle profile 8 around the cover sheet 10 in the unwound or to keep tension in the extended state.
  • the handle profile 8 is guided laterally by means of two slides 50 in a displaceable and stable manner in the profile strips 6.
  • the profile strips 6 here have an open receiving chamber 52 as a hollow profile, in which the respective slide 50 is positively seated.
  • the receiving chamber 52 or the profile strips 6 are open to the inside of the protective roller blind 2. Opposite this opening, a groove-like receptacle 54 is provided on the outside of the profile strips 6, into which a respective fastening lug 56 of the cover caps 16, 18 can be inserted.
  • the fastening lugs 56 are screw-fastened to the profile strips 6, for example, in the assembled or joined state.
  • the approximately tubular or hollow cylindrical hollow shaft 12 has a hollow profile in the form of an inner contour 58.
  • the inner contour 58 is designed with eight radially inwardly projecting ribs 60 which are arranged in a uniformly distributed manner on the inner circumference of the hollow shaft 12.
  • the ribs 60 are provided with reference symbols in the figures merely by way of example.
  • the tubular motor 30 and the spring shaft 32 and the hollow shaft 12 are arranged coaxially to one another, in particular the tubular motor 30 and the spring shaft 32 - as for example in Fig. 3 can be seen - essentially completely pushed into the hollow shaft 12 on opposite end faces.
  • the tubular motor 30 and the spring shaft 32 are drive-coupled via the hollow shaft 12.
  • the tubular motor 30 and the spring shaft 32 each have a counter-contour 62, 64 that is shaped complementarily to the inner contour 58.
  • the tubular motor 30 faces the spring shaft 32 along the longitudinal direction of the drive device 24 or the hollow shaft 12 has a smaller axial dimension. In other words, the tubular motor 30 is made shorter than the spring shaft 32.
  • the structure of the mating contours 62, 64 is explained below by way of example using the mating contour 64 of the spring shaft 32.
  • the mating contour 64 has a driver head 66 with radial ribs 68 arranged distributed in the circumferential direction.
  • the radial ribs 68 protrude radially upward from the outer circumference of the driver head 66 and run axially along the driver head 66.
  • the radial ribs 68 lie on the inner wall side, for example in a non-positive or frictional manner, in the inner contour 58.
  • the radial ribs 68 engage in the intermediate spaces 70 formed between the ribs 60 in a form-fitting and rotationally fixed manner.
  • the driver head 66 of the mating contour 64 is thus connected to the hollow shaft 12 on the inside wall in a form-fitting manner, practically in a shaft-proof manner.
  • a joining pin 72 is formed on the driver head 66 of the mating contour 64, onto which the spring element 36 of the spring shaft 32 is placed in a rotationally fixed manner.
  • the driver head 66 of the mating contour 62 is expediently coupled to a rotor of the tubular motor 30.
  • the hollow shaft 12 is rotatably held between the cover caps 16, 18 by means of the spring shaft 32 on the one hand and by means of the tubular motor 30 on the other hand.
  • a shaft bushing 74 on the end side is placed on the spring element 34.
  • approximately sleeve-like shaft bushing 74 has a central feed-through opening 76 for the spring element 34 and the joining contour 40.
  • the feed-through opening 76 has a smooth inner wall so that the frictional resistance of the shaft bushing 74 is as low as possible when the hollow shaft 12 rotates on the spring element 34.
  • the shaft bushing 74 has radial ribs 76 on the outside, which the radial ribs 68 of the mating contours 62, 64 correspond. In the joined state, the shaft bushing 74 is seated in the hollow shaft 12 in a rotationally fixed and form-fitting manner.
  • An energy store in the form of a rechargeable battery is suitably integrated into the tubular motor 30.
  • the energy store is connected to a photovoltaic cell (not shown in more detail) or to a photovoltaic panel.
  • the protective roller blind 2 is preferably designed as an assembly set based on the modular principle, that is to say as a protective roller blind modular system for individual adaptation to different window or door dimensions.
  • roller blind box 4 and the drive device 24 as well as the profile strips 6 and the cover strip 10 as well as the handle strip 8 are each made to be cut to length in just one or as few different standard sizes as possible, so that a consumer can put together an individual protective roller blind for the respective building opening .
  • the profile strips 6 and the roller blind box 4 as well as the handle profile 8 are preferably metal or hollow profiles that can be cut to length, for example made of an aluminum material.
  • the length of the drive device 24 can be varied, in particular, by the hollow shaft 12 which can be cut to length, the hollow shaft 12 being designed, for example, as a metallic extruded part made of an aluminum material.
  • the mating contours 62, 64 as well as the shaft bushing 74 and the cover caps 16, 18 are produced, for example, as injection molded parts, for example from a polyamide material.
  • roller blind box 4 and the hollow shaft 12 as well as the profile strips 6 and the cover strip 10 and the handle strip 8 are first shortened or cut to the desired length, adapted to the dimensions of the respective building opening.
  • the drive device 24 is then mounted and the cover strip 10 is connected to the hollow shaft 12 and the handle profile 8.
  • the drive device 24 and the cover strip 10 are inserted into the inner chamber 22 via the open end faces of the roller blind box 4 and / or the longitudinal profile slot 26 and are thus integrated into the roller blind box 4.
  • the drive device 24 is then laterally fixed in the roller blind box 4 by means of the cover caps 16, 18, the cover caps 16, 18 being screw-fastened to the roller blind box 4 via the screw receptacles 20.
  • the cut edges of the profile strips 6 are covered on the subsurface side with a base 78 as a cover cap. Opposite to the feet 78, the respective fastening lug 56 is inserted into the receptacle 54 and screw-fastened there. Finally, the protective roller blind 2 is fastened securely and vibration-free from the inside via the receiving chamber 52 with the fastening elements 14 to the building opening.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Insects & Arthropods (AREA)
  • Pest Control & Pesticides (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Abstract

Die Erfindung betrifft ein Schutzrollo (2) für eine Gebäudeöffnung, aufweisend eine Abdeckbahn (10) zur zumindest teilweisen Abdeckung der Gebäudeöffnung, und einen Rollokasten (4) zur Aufnahme der Abdeckbahn (10), sowie zwei zueinander beabstandete und parallel verlaufende Profilleisten (6) als Führungsschienen für ein mit der Abdeckbahn (10) gekoppeltes Handgriffprofil (8), wobei eine elektromotorische Antriebsvorrichtung (24) in dem Rollokasten (4) integriert ist, mit welcher die Abdeckbahn (10) entlang einer Abwickelrichtung (A) verstellbar ist, wobei die Antriebsvorrichtung (24) einen elektromotorischen Rohrmotor (30) und eine Federwelle (32) sowie eine ablängbare Hohlwelle (12) aufweist, wobei die Hohlwelle (12) eine Innenkontur (58) aufweist, in welche der Rohrmotor (30) und die Federwelle (32) mittels Gegenkonturen (62, 64) an gegenüberliegenden Stirnseiten der Hohlwelle (12) formschlüssig und drehfest eingreifen.The invention relates to a protective roller blind (2) for a building opening, having a cover sheet (10) for at least partial covering of the building opening, and a roller blind box (4) for receiving the cover sheet (10), as well as two spaced apart and parallel profile strips (6) as guide rails for a handle profile (8) coupled to the cover sheet (10), an electromotive drive device (24) being integrated in the roller blind box (4), with which the cover sheet (10) can be adjusted along an unwinding direction (A), the The drive device (24) has an electromotive tubular motor (30) and a spring shaft (32) and a hollow shaft (12) that can be cut to length, the hollow shaft (12) having an inner contour (58) into which the tubular motor (30) and the spring shaft (32 ) engage positively and non-rotatably on opposite end faces of the hollow shaft (12) by means of counter contours (62, 64).

Description

Die Erfindung betrifft einen Schutzrollo für eine Gebäudeöffnung, mit einer Abdeckbahn zur zumindest teilweisen Abdeckung der Gebäudeöffnung, und mit einem Rollokasten zur Aufnahme der Abdeckbahn, sowie mit zwei zueinander beabstandeten und parallel verlaufenden Profilleisten als Führungsschienen für ein mit der Abdeckbahn gekoppeltes Handgriffprofil. Die Erfindung betrifft weiterhin eine elektromotorische Antriebsvorrichtung für einen solchen Schutzrollo, sowie ein Schutzrollo-Baukastensystem für eine Gebäudeöffnung.The invention relates to a protective roller blind for a building opening, with a cover sheet for at least partial covering of the building opening, and with a roller blind box for receiving the cover sheet, and with two spaced apart and parallel profile strips as guide rails for a handle profile coupled to the cover sheet. The invention further relates to an electromotive drive device for such a protective roller blind, as well as a protective roller blind modular system for a building opening.

Bei einem derartigen Schutzrollo ist im Gegensatz zu einem Faltrollo (Raffrollo), bei welchem eine Abdeckbahn an Bändern geführt und gehalten ist, die Abdeckbahn auf einer Welle (Rollowelle, Wickelwelle) gewickelt, welche üblicherweise in einem Rollokasten drehbar gelagert ist. Die Welle wirkt beispielsweise mit einem Federmechanismus zusammen, welcher beim bestimmungsgemäßen Abrollen der Abdeckbahn in deren Abwickelrichtung (Auszugrichtung) vorgespannt wird.In such a protective roller blind, in contrast to a pleated blind (Roman blind), in which a cover sheet is guided and held on tapes, the cover sheet is wound on a shaft (roller blind shaft, winding shaft), which is usually rotatably mounted in a roller blind box. The shaft interacts, for example, with a spring mechanism which, when the cover sheet is unrolled as intended, is pretensioned in its unwinding direction (pull-out direction).

Schutzrollos der oben genannten Art werden zum Schutz von Gebäudeöffnungen, wie beispielsweise Fenster- oder Türöffnungen (Balkon- oder Terrassentüren), verwendet. Ein solches Schutzrollo ist beispielsweise als ein Rahmensystem mit dem Rollokasten und zwei seitlichen Führungsprofilen ausgeführt. Die zwischen den Führungsprofilen oder Profilschienen geführte Abdeckbahn soll die Gebäudeöffnung hierbei möglichst vollflächig abdecken.Roller blinds of the type mentioned above are used to protect openings in buildings, such as window or door openings (balcony or patio doors). Such a protective roller blind is designed, for example, as a frame system with the roller blind box and two lateral guide profiles. The covering strip guided between the guide profiles or profile rails is intended to cover the building opening as completely as possible.

Hierbei ist eine möglichst flexible Anpassung an unterschiedliche Öffnungsgrößen sowie an unterschiedliche, vor Ort vorgefundene Randbedingungen wünschenswert. Wünschenswert ist des Weiteren eine möglichst unproblematische Rahmen- oder Schutzrollomontage.The most flexible possible adaptation to different opening sizes and different boundary conditions found on site is desirable here. Furthermore, a frame or protective roller blind assembly that is as unproblematic as possible is desirable.

Es ist beispielsweise möglich, dass die Abdeckbahn mittels einer elektrischen Antriebsvorrichtung in eine gewünschte Position verstellbar ist. Mit anderen Worten ist bei derartigen Schutzrollos eine elektromotorische Betätigung ermöglicht. Die Antriebsvorrichtung ist hierbei häufig in dem Rollokasten integriert, wobei durch die Integration der Antriebsvorrichtung die Flexibilität und Anpassbarkeit des Schutzrollos nachteilig reduziert wird. Insbesondere wird die Anpassbarkeit an unterschiedliche Öffnungsgrößen der Gebäudeöffnung nachteilig eingeschränkt.It is possible, for example, for the cover sheet to be adjustable into a desired position by means of an electric drive device. In other words, electric motor actuation is made possible in protective roller blinds of this type. The drive device is often integrated in the roller blind box, the flexibility and adaptability of the protective roller blind being disadvantageously reduced by the integration of the drive device. In particular, the adaptability to different opening sizes of the building opening is disadvantageously restricted.

Der Erfindung liegt die Aufgabe zugrunde, ein besonders geeignetes Schutzrollo für eine Gebäudeöffnung anzugeben. Insbesondere soll ein Schutzrollo mit einer elektromotorischen Antriebsvorrichtung angegeben werden, welches möglichst flexibel an unterschiedliche Gebäudeöffnungen und Rahmenbedingungen anpassbar ist. Der Erfindung liegt weiterhin die Aufgabe zugrunde, eine besonders geeignete elektromotorische Antriebsvorrichtung für einen solchen Schutzrollo sowie ein besonders geeignetes Schutzrollo-Baukastensystem mit einem derartigen Schutzrollo anzugeben.The invention is based on the object of specifying a particularly suitable protective roller blind for a building opening. In particular, a protective roller blind with an electromotive drive device is to be specified, which can be adapted as flexibly as possible to different building openings and framework conditions. The invention is also based on the object of specifying a particularly suitable electromotive drive device for such a protective roller blind and a particularly suitable protective roller blind modular system with such a protective roller blind.

Im Hinblick auf das Schutzrollo wird die Aufgabe mit den Merkmalen des Anspruchs 1 und hinsichtlich der Antriebsvorrichtung mit den Merkmalen des Anspruchs 8 sowie hinsichtlich des Schutzrollo-Baukastensystems mit den Merkmalen des Anspruchs 10 erfindungsgemäß gelöst. Vorteilhafte Ausgestaltungen und Weiterbildungen sind Gegenstand der Unteransprüche. Die im Hinblick auf das Schutzrollo angeführten Vorteile und Ausgestaltungen sind sinngemäß auch auf die Antriebsvorrichtung und/oder das Schutzrollo-Baukastensystem übertragbar und umgekehrt.With regard to the protective roller blind, the object is achieved according to the invention with the features of claim 1 and with regard to the drive device with the features of claim 8 and with regard to the protective roller blind modular system with the features of claim 10. Advantageous refinements and developments are the subject of the dependent claims. The advantages and configurations cited with regard to the protective roller blind can also be applied to the drive device and / or the protective roller blind modular system and vice versa.

Das erfindungsgemäße Schutzrollo ist für eine Montage in einer Gebäudeöffnung, insbesondere in einer Fensteröffnung oder einer Türöffnung, geeignet und eingerichtet. Das Schutzrollo weist hierbei eine Abdeckbahn als Rollotuch oder Rollogewebe auf, mittels welcher die Gebäudeöffnung zumindest teilweise abdeckbar ist.The protective roller blind according to the invention is suitable and designed for installation in a building opening, in particular in a window opening or a door opening. The protective roller blind here has a covering sheet as a roller blind or roller blind fabric on, by means of which the building opening can be at least partially covered.

Die Abdeckbahn ist hierbei vorzugsweise als ein Schutzgewebe, insbesondere als ein Partikel-, Insekten- oder Pollenschutzgewebe, oder als ein Sicht- oder Sonnenschutzgewebe ausgeführt. Bei einer Ausführung als Partikel-, Insekten- oder Pollenschutzgewebe ist die Abdeckbahn insbesondere als ein Gittergewebe (Insektenschutzgitter) ausgeführt. Bei einer Ausführung als Sonnen- oder Sichtschutzgewebe ist die Abdeckbahn vorzugsweise optisch nicht durchsichtig beziehungsweise nicht transparent ausgeführt.The cover sheet is preferably designed as a protective fabric, in particular as a particle, insect or pollen protection fabric, or as a visual or sun protection fabric. In the case of an embodiment as a particle, insect or pollen protection fabric, the cover sheet is designed in particular as a mesh fabric (insect protection screen). In the case of an embodiment as a sun or privacy screen fabric, the cover sheet is preferably not optically transparent or not transparent.

Das Schutzrollo weist weiterhin einen Rollokasten oder eine Rollokassette zur Aufnahme der Abdeckbahn auf. Insbesondere ist es möglich, dass zu einer Öffnung des Schutzrollos beziehungsweise der Gebäudeöffnung die Abdeckbahn im Wesentlichen vollständig in dem Rollokasten anordbar ist. Dadurch ist die Abdeckbahn zuverlässig vor äußeren Einflüssen geschützt.The protective roller blind also has a roller blind box or a roller blind cassette for receiving the cover sheet. In particular, it is possible for the cover sheet to be able to be arranged essentially completely in the roller blind box in order to open the protective roller blind or the building opening. As a result, the cover sheet is reliably protected from external influences.

Das Schutzrollo weist zwei zueinander beabstandete und parallel verlaufende Profilleisten als Führungsschienen für ein mit der Abdeckbahn gekoppeltes Handgriffprofil (Abschlussleiste, Auszugleiste) auf. Die Profilleisten und der Rollokasten bilden hierbei ein montierbares oder montiertes Rahmensystem des Schutzrollos. Im Montagezustand sind die Profilleisten als vertikale Längsprofile an den Seiten der Gebäudeöffnung, also an der Laibung oder der Zarge, angeordnet, wobei der Rollokasten als horizontales Querprofil an einer oberen Kante der Gebäudeöffnung, also im Bereich des Sturzes, angeordnet ist. Der Rollokasten weist einen im Montagezustand nach unten, also den Profilleisten oder dem Untergrund zugewandten, geöffneten (Profillängs-)Schlitz auf, über welchen die Abdeckbahn mit dem Handgriffprofil manuell entlang der Führung der Profilleisten herausziehbar ist.The protective roller blind has two profile strips that are spaced apart and run parallel to one another as guide rails for a handle profile (end strip, pull-out strip) coupled to the cover strip. The profile strips and the roller blind box form a mountable or mounted frame system of the protective roller blind. In the assembled state, the profile strips are arranged as vertical longitudinal profiles on the sides of the building opening, i.e. on the reveal or the frame, the roller blind box being arranged as a horizontal transverse profile on an upper edge of the building opening, i.e. in the area of the lintel. The roller blind box has an open (profile longitudinal) slot facing downwards in the assembled state, ie facing the profile strips or the substrate, via which the cover sheet with the handle profile can be pulled out manually along the guide of the profile strips.

Das erfindungsgemäße Schutzrollo weist weiterhin eine elektromotorische Antriebsvorrichtung auf, welche in dem Rollokasten integriert, also in dem Rollokasten verbaut ist. Die elektrische oder elektromotorische Antriebsvorrichtung ist dazu geeignet und eingerichtet die Abdeckbahn entlang einer Abwickelrichtung oder Auszugrichtung, welche im Wesentlichen entlang der Profilleisten orientiert ist, zu verstellen.The protective roller blind according to the invention also has an electromotive drive device which is integrated in the roller blind box, that is to say built into the roller blind box. The electric or electromotive drive device is for this purpose suitable and set up to adjust the cover strip along an unwinding direction or pull-out direction, which is essentially oriented along the profile strips.

Die etwa zylindrische Antriebsvorrichtung weist hierbei einen elektromotorischen Rohrmotor und eine Federwelle sowie eine ablängbare Hohlwelle (Wickelhohlwelle) auf. Die Hohlwelle ist mit einer Innenkontur versehen, in welche der Rohrmotor und die beispielsweise als Schraubenfeder ausgeführte Federwelle jeweils mit einer Gegenkontur eingreifen. Der Rohrmotor und die Federwelle greifen hierbei von gegenüberliegenden Stirnseiten der Hohlwelle in diese formschlüssig und drehfest ein. Mit anderen Worten ist die Hohlwelle mittels der Federwelle und des Rohrmotors drehbar oder rotierbar gelagert. Dadurch ist ein besonders geeignetes Schutzrollo realisiert.The approximately cylindrical drive device has an electromotive tubular motor and a spring shaft as well as a hollow shaft that can be cut to length (hollow winding shaft). The hollow shaft is provided with an inner contour, in which the tubular motor and the spring shaft, designed for example as a helical spring, each engage with a mating contour. The tubular motor and the spring shaft engage in this from opposite end faces of the hollow shaft in a form-fitting and rotationally fixed manner. In other words, the hollow shaft is rotatably or rotatably mounted by means of the spring shaft and the tubular motor. This creates a particularly suitable protective roller blind.

Unter einem "Formschluss" oder einer "formschlüssigen Verbindung" zwischen wenigstens zwei miteinander verbundenen Teilen wird hier und im Folgenden insbesondere verstanden, dass der Zusammenhalt der miteinander verbundenen Teile zumindest in einer Richtung durch ein unmittelbares Ineinandergreifen von Konturen der Teile selbst oder durch ein mittelbares Ineinandergreifen über ein zusätzliches Verbindungsteil erfolgt. Das "Sperren" einer gegenseitigen Bewegung in dieser Richtung erfolgt also formbedingt.A “form fit” or a “form fit connection” between at least two interconnected parts is understood here and below in particular to mean that the interconnected parts are held together at least in one direction by a direct interlocking of contours of the parts themselves or by indirect interlocking takes place via an additional connecting part. The "blocking" of a mutual movement in this direction is therefore due to the shape.

Durch die ablängbare Hohlwelle ist der Schutzrollo beziehungsweise die Antriebsvorrichtung individuell an unterschiedliche Fenster- oder Türabmessungen anpassbar, so dass das Schutzrollo flexibel an oder in praktisch alle gängigen Gebäudeöffnungen montierbar ist. Zweckmäßigerweise sind hierbei auch der Rollokasten sowie die Abdeckbahn entsprechend ablängbar ausgestaltet.Due to the hollow shaft that can be cut to length, the protective roller blind or the drive device can be individually adapted to different window or door dimensions, so that the protective roller blind can be flexibly mounted on or in practically all common building openings. Appropriately, the roller blind box and the cover sheet are designed to be cut to length accordingly.

Durch die Ausführung mit in die Hohlwelle eingesetzten, eingeschoben oder eingesteckten Rohrmotor und Federwelle ist eine konstruktiv einfache, ablängbare Antriebsvorrichtung realisiert. Da der Rohrmotor und die Federwelle an gegenüberliegenden Stirnseiten der Hohlwelle eingesetzt sind, sind die Gegenkonturen innerhalb der Hohlwelle im Wesentlichen räumlich voneinander beabstandet, es ist also ein Hohl- oder Zwischenraum zwischen den Gegenkonturen gebildet. Der Rohrmotor und die Federwelle sind somit lediglich mittelbar über die Hohlwelle miteinander gekoppelt. Dadurch ist es möglich, mittels einer vergleichsweise einfachen und aufwandsreduzierten Ablängung der Hohlwelle, eine Dimensionierung oder Veränderung der Baulänge der Antriebsvorrichtung zu realisieren.The design with the tubular motor and spring shaft inserted, pushed or plugged into the hollow shaft provides a structurally simple drive device that can be cut to length. Since the tubular motor and the spring shaft are used on opposite end faces of the hollow shaft, the mating contours within the hollow shaft are essentially spatially spaced from one another, es a cavity or space is thus formed between the opposing contours. The tubular motor and the spring shaft are thus only indirectly coupled to one another via the hollow shaft. As a result, it is possible to implement a dimensioning or change in the overall length of the drive device by means of a comparatively simple and cost-reduced cutting to length of the hollow shaft.

Die Gegenkontur des Rohrmotors ist zweckmäßigerweise mit dessen Rotor drehfest gekoppelt, so dass bei einer Rotation des Rotors, die Hohlwelle - und somit die Federwelle - rotiert werden. Die Innenkontur und die Gegenkonturen sind somit als formschlüssig und drehfest ineinandergreifende Fügekonturen ausgebildet. Mit anderen Worten erfolgt mittels der Hohlwelle eine antriebstechnische Kopplung des Rohrmotors und der Federwelle.The counter-contour of the tubular motor is expediently coupled in a rotationally fixed manner to its rotor, so that when the rotor rotates, the hollow shaft - and thus the spring shaft - are rotated. The inner contour and the mating contours are thus designed as interlocking joining contours that interlock with one another in a non-rotatable manner. In other words, the tubular motor and the spring shaft are coupled in terms of drive technology by means of the hollow shaft.

Da die antriebstechnische Kopplung lediglich durch die ineinandergreifenden Konturen innerhalb Hohlwelle erfolgt, ist die Qualität der Schnittkanten im Zuge der Ablängung der Hohlwelle unkritisch. Dadurch wird die Flexibilität des Schutzrollos weiter verbessert.Since the drive-related coupling takes place only through the interlocking contours within the hollow shaft, the quality of the cut edges in the course of cutting the hollow shaft to length is not critical. This further improves the flexibility of the protective roller blind.

Der etwa zylindrische oder bolzenförmige Rohrmotor weist eine axiale Baugröße auf, welche größer als seine radiale Baugröße ist. Mit anderen Worten weist der Rohrmotor eine vergleichsweise niedrige (radiale) Achshöhe und eine vergleichsweise lange (axiale) Baulänge auf, insbesondere ist die Baulänge ein vielfaches größer als die Achshöhe.The roughly cylindrical or bolt-shaped tubular motor has an axial size which is larger than its radial size. In other words, the tubular motor has a comparatively low (radial) shaft height and a comparatively long (axial) overall length, in particular the overall length is many times greater than the shaft height.

Die Federwelle und der Rohrmotor sitzen im Füge- oder Montagezustand im Wesentlichen vollständig in der Hohlwelle ein. Mit anderen Worten sind die Federwelle und der Rohrmotor im Wesentlichen vollständig an den gegenüberliegenden Stirnseiten in die Hohlwelle eingesteckt oder eingeschoben. Die hohlzylindrische oder rohrförmige Hohlwelle erstreckt sich hierbei im Wesentlichen über die volle (horizontale) Länge des Rollokastens. Die Rohrmotor, die Federwelle und die Hohlwelle sind koaxial zueinander angeordnet.The spring shaft and the tubular motor are essentially completely seated in the hollow shaft when they are joined or assembled. In other words, the spring shaft and the tubular motor are essentially completely inserted or pushed into the hollow shaft on the opposite end faces. The hollow cylindrical or tubular hollow shaft extends essentially over the full (horizontal) length of the roller blind box. The tubular motor, the spring shaft and the hollow shaft are arranged coaxially to one another.

Die Federwelle ist vorzugsweise als ein Federmechanismus ausgeführt, welcher beim Abrollen oder Abwickeln der Abdeckbahn entlang der Abwickelrichtung mechanisch vorgespannt wird. Der Rohrmotor weist geeigneterweise ein statisches Haltemoment auf, welches die Abdeckbahn im abgewickelten Zustand entgegen der Vorspannung hält. Mit anderen Worten wirkt der Rohrmotor als ein Sperr- oder Arretier- und/oder Bremsmittel, welches ein ungewolltes, schlagartiges Anschlagen oder Aufwickeln der Abdeckbahn aufgrund eines federkraftbedingten Aufrollens verhindert. Dies bedeutet, dass im Wesentlichen keine zusätzlichen Arretier- oder Sperrmittel der Antriebsvorrichtung vorgesehen sind. Beim Aufrollen der Abdeckbahn unterstütz der Federmechanismus den Rohrmotor. Dadurch ist der Rohrmotor hinsichtlich eines benötigten Drehmoments, vergleichsweise klein dimensionierbar, und somit besonders kostengünstig.The spring shaft is preferably designed as a spring mechanism which is mechanically pretensioned when the cover web is unrolled or unwound along the unwinding direction. The tubular motor suitably has a static holding torque which holds the cover sheet in the unwound state against the bias. In other words, the tubular motor acts as a blocking or arresting and / or braking means, which prevents an unintentional, abrupt hitting or winding up of the cover sheet due to a spring force-related rolling up. This means that essentially no additional locking or locking means are provided for the drive device. The spring mechanism supports the tubular motor when the cover sheet is rolled up. As a result, the tubular motor can be dimensioned comparatively small with regard to the required torque, and is therefore particularly cost-effective.

Zur Betätigung der Antriebsvorrichtung beziehungsweise des Rohrmotors ist es beispielsweise möglich, dass die Antriebsvorrichtung einen Sendeempfänger (Transceiver) zum Senden und Empfangen von drahtlosen Signalen aufweist. Dadurch ist es beispielsweise möglich, die Antriebsvorrichtung mit einem Bedienelement, wie beispielsweise einer Funkfernbedienung, zu koppeln und mittels dieser einfach bedienbar zu betätigen. Dadurch wird der Benutzerkomfort des Schutzrollos wesentlich verbessert.To actuate the drive device or the tubular motor, it is possible, for example, for the drive device to have a transceiver for sending and receiving wireless signals. This makes it possible, for example, to couple the drive device to an operating element, such as a radio remote control, and to operate it in an easy-to-use manner. This significantly improves the user comfort of the protective roller blind.

Das Bedienelement ist beispielsweise auch als ein Mobiltelefon, insbesondere als ein Mobiltelefon mit einer Computerfunktion beziehungsweise als ein Smartphone, oder auch als ein Tabletcomputer ausführbar. Das Bedienelement weist beispielsweise eine hinterlegte Anwendungssoftware (Betriebssoftware) zur Steuerung der Antriebsvorrichtung auf. Die Anwendungssoftware (Application software) ist hierzu vorzugsweise als eine sogenannte App oder Mobile App (Mobilanwendung, Smartphone-App) auf dem Bedienelement installierbar beziehungsweise installiert.The operating element can also be implemented, for example, as a mobile phone, in particular as a mobile phone with a computer function or as a smartphone, or also as a tablet computer. The operating element has, for example, stored application software (operating software) for controlling the drive device. For this purpose, the application software can preferably be installed or installed on the control element as a so-called app or mobile app (mobile application, smartphone app).

In einer vorteilhaften Ausführung weist der Rohrmotor bezogen auf eine Längsrichtung der Hohlwelle (Axialrichtung) eine geringere axiale Baulänge als die Federwelle auf. Dadurch ist ein besonders bauraumkompakter Rohrmotor realisiert. In einer geeigneten Weiterbildung weist die Antriebsvorrichtung einen aufladbaren elektrischen Energiespeicher, beispielsweise in Form eines elektrochemischen Akkumulators, auf, welcher mit dem Rohrmotor gekoppelt ist. Der Energiespeicher ist hierbei in den Rollokasten, insbesondere in den Rohrmotor, integriert. Dadurch wird die Flexibilität des Schutzrollos weiter verbessert, da die Antriebsvorrichtung somit im Wesentlichen unabhängig von einem Versorgungsnetz betreibbar ist. Mit anderen Worten ist kein zusätzlicher Netzanschluss der Antriebsvorrichtung notwendig.In an advantageous embodiment, the tubular motor has a smaller overall axial length than the spring shaft in relation to a longitudinal direction of the hollow shaft (axial direction). A tubular motor with a particularly compact installation space is thereby implemented. In a suitable development, the drive device has a chargeable electrical energy store, for example in the form of an electrochemical accumulator, which is coupled to the tubular motor. The energy store is integrated in the roller blind box, in particular in the tubular motor. This further improves the flexibility of the protective roller blind, since the drive device can thus be operated essentially independently of a supply network. In other words, no additional mains connection of the drive device is necessary.

In einer denkbaren Ausgestaltung ist der Energiespeicher hierbei mittels einer Photovoltaik- oder Solarzelle, beziehungsweise einem Photovoltaik- oder Solarpanel, aufladbar. Die Photovoltaikzelle ist hierbei zweckmäßigerweise an einer der Gebäudeaußenseite zugewandten Fläche des Rollokastens angeordnet. Dadurch ist eine besonders kostengünstige und aufwandsreduzierte Aufladung des Energiespeichers ermöglicht.In a conceivable embodiment, the energy store can be charged by means of a photovoltaic or solar cell, or a photovoltaic or solar panel. The photovoltaic cell is expediently arranged on a surface of the roller blind box facing the outside of the building. This enables the energy store to be charged in a particularly cost-effective and cost-effective manner.

Der insbesondere in den Rohrmotor integrierte Energiespeicher weist zweckmäßigerweise eine Ladeschnittstelle zur elektrisch leitfähigen Kopplung mit der Photovoltaikzelle auf. Die Ladeschnittstelle ist hierbei beispielsweise als eine USB-C-Steckbuchse ausgebildet, so dass der Energiespeicher bedarfsweise - beispielsweise bei einer Bewölkung - zur Ladung auch an einen mobilen Zusatzakkumulator (Powerbank) anschließbar ist.The energy store, in particular integrated into the tubular motor, expediently has a charging interface for electrically conductive coupling with the photovoltaic cell. The charging interface is designed, for example, as a USB-C socket so that the energy storage device can also be connected to a mobile additional battery (power bank) for charging, for example when it is cloudy.

In einer bevorzugten Ausführung weist die Gegenkontur der Federwelle und/oder des Rohrmotors einen Mitnehmerkopf mit in Umfangsrichtung verteilt angeordneten Radialrippen auf, welche im Fügezustand innenwandseitig, beispielsweise kraft- oder reibschlüssig, in der Innenkontur anliegen. Der Mitnehmerkopf der Gegenkontur ist somit innenwandseitig mit der Hohlwelle formschlüssig praktisch wellenfest mit dieser verbunden. Dadurch ist eine besonders stabile und drehfeste antriebstechnische Kopplung der Federwelle und/oder des Rohrmotors mit der Hohlwelle gewährleistet.In a preferred embodiment, the mating contour of the spring shaft and / or the tubular motor has a driver head with radial ribs distributed in the circumferential direction, which in the joined state lie on the inside wall, for example non-positively or frictionally, in the inner contour. The driver head of the mating contour is thus connected to the hollow shaft on the inside wall in a form-fitting manner and practically fixed to the shaft. This ensures a particularly stable and non-rotatable drive coupling of the spring shaft and / or the tubular motor with the hollow shaft.

Die Konjunktion "und/oder" ist hier und im Folgenden derart zu verstehen, dass die mittels dieser Konjunktion verknüpften Merkmale sowohl gemeinsam als auch als Alternativen zueinander ausgebildet sein können.The conjunction “and / or” is to be understood here and in the following in such a way that the features linked by means of this conjunction can be designed both together and as alternatives to one another.

Unter einem "Kraftschluss" oder einer "kraftschlüssigen Verbindung" zwischen wenigstens zwei miteinander verbundenen Teilen wird hier und im Folgenden insbesondere verstanden, dass die miteinander verbundenen Teile aufgrund einer zwischen ihnen wirkenden Reibkraft gegen ein Abgleiten aneinander gehindert sind. Fehlt eine diese Reibkraft hervorrufende "Verbindungskraft" (dies bedeutet diejenige Kraft, welche die Teile gegeneinander drückt, beispielsweise eine Schraubenkraft oder die Gewichtskraft selbst), kann die kraftschlüssige Verbindung nicht aufrecht erhalten und somit gelöst werden.A “frictional connection” or a “non-positive connection” between at least two interconnected parts is understood here and in the following in particular to mean that the interconnected parts are prevented from sliding off one another due to a frictional force acting between them. If there is no "connecting force" causing this frictional force (this means the force which presses the parts against one another, for example a screw force or the weight itself), the force-fit connection cannot be maintained and thus released.

In einer vorteilhaften Weiterbildung weist der Rollokasten an seinen gegenüberliegenden Stirnseiten jeweils eine Abdeckkappe auf. Mittels der Abdeckkappe sind somit seitliche Schnittkanten des vorzugsweise ablängbaren Rollokastens optisch ansehnlich abdeckbar. Die Abdeckkappen sind jeweils mit einer entlang der Längsrichtung der Hohlwelle axial emporstehenden Fügekontur versehen, mittels welcher die Federwelle beziehungsweise der Rohrmotor orts- oder drehfest in dem Rollokasten gehalten sind.In an advantageous development, the roller blind box has a cover cap on each of its opposite end faces. Lateral cut edges of the roller blind box, which can preferably be cut to length, can thus be visually visibly covered by means of the cover cap. The cover caps are each provided with a joining contour that protrudes axially along the longitudinal direction of the hollow shaft, by means of which the spring shaft or the tubular motor are held in the roller blind box in a stationary or rotationally fixed manner.

In einer denkbaren Ausgestaltung ist die Fügekontur für die Federwelle als ein Axialzapfen ausgeführt, auf welchen die Federwelle kraft- oder reibschlüssig aufgesetzt ist. Auf der Federwelle ist im Bereich des Axialzapfens eine drehbar gelagerte Wellenbuchse für die Hohlwelle angeordnet. Dadurch ist einerseits eine konstruktiv einfache und aufwandsreduzierte, orts- und drehfeste Halterung der Federwelle, sowie andererseits eine stabile drehbare Lagerung der Hohlwelle im Rollokasten realisiert.In a conceivable embodiment, the joining contour for the spring shaft is designed as an axial journal on which the spring shaft is placed in a non-positive or frictional manner. A rotatably mounted shaft bushing for the hollow shaft is arranged on the spring shaft in the area of the axial journal. As a result, on the one hand, a structurally simple and reduced-effort, stationary and rotationally fixed mounting of the spring shaft and, on the other hand, a stable rotatable mounting of the hollow shaft in the roller blind box is realized.

In einer geeigneten Ausführung ist die Fügekontur für den Rohrmotor als ein axialer Fügezapfen ausgebildet, welcher formschlüssig in eine Fügeaufnahme des Rohrmotors eingreift. Dadurch ist eine einfache und zuverlässige orts- und drehfeste Halterung des Rohrmotors im Rollokasten gewährleistet.In a suitable embodiment, the joining contour for the tubular motor is designed as an axial joining pin which engages positively in a joining receptacle of the tubular motor. This ensures that the tubular motor is held in a simple and reliable manner in a stationary and rotationally fixed manner in the roller blind box.

Die erfindungsgemäße elektromotorische Antriebsvorrichtung ist für ein vorstehend beschriebenes Schutzrollo geeignet und eingerichtet. Die Antriebsvorrichtung weist hierbei einen elektrischen oder elektromotorischen Rohrmotor und eine Federwelle sowie eine diese antriebstechnisch miteinander koppelnde Hohlwelle auf. Die Hohlwelle ist hierbei erfindungsgemäß ablängbar ausgeführt, und mit einer Innenkontur versehen, in welche der Rohrmotor und die Federwelle mittels Gegenkonturen an gegenüberliegenden Stirnseiten der Hohlwelle formschlüssig und drehfest eingreifen. Dadurch ist eine besonders geeignete Antriebsvorrichtung realisiert. Insbesondere ist somit eine besonders flexibel und einfach anpassbare Antriebsvorrichtung realisiert.The electromotive drive device according to the invention is suitable and set up for a protective roller blind described above. The drive device has an electric or electromotive tubular motor and a spring shaft as well as a hollow shaft which is coupled to one another in terms of drive technology. According to the invention, the hollow shaft can be cut to length and is provided with an inner contour into which the tubular motor and the spring shaft engage positively and non-rotatably by means of counter contours on opposite end faces of the hollow shaft. A particularly suitable drive device is thereby implemented. In particular, a particularly flexible and easily adaptable drive device is thus implemented.

Ein zusätzlicher oder weiterer Aspekt der Erfindung sieht vor, dass der vorstehend beschriebene Schutzrollo beziehungsweise die vorstehend beschriebene Antriebsvorrichtung Teil eines Schutzrollo-Baukastensystems sind. Das Schutzrollo-Baukastensystem ist hierbei als ein Montageset nach dem Baukastenprinzip, insbesondere als ein DIY-Montageset (Do-It-Yourself), zur individuellen Anpassung an unterschiedliche Fenster- oder Türabmessungen bereitgestellt, so dass das System flexibel an praktisch alle gängigen Gebäudeöffnungen angepasst werden kann.An additional or further aspect of the invention provides that the protective roller blind described above or the drive device described above are part of a modular protective roller blind system. The protective roller blind modular system is provided as an assembly set based on the modular principle, in particular as a DIY assembly set (Do-It-Yourself), for individual adjustment to different window or door dimensions, so that the system can be flexibly adapted to practically all common building openings can.

Dies bedeutet, dass beispielsweise der Rollokasten und die Antriebsvorrichtung sowie die Profilleisten und die Abdeckbahn jeweils in nur einer einzigen oder in nur möglichst wenigen verschiedenen Normgrößen hergestellt sind, und sich ein Verbraucher ein individuelles Schutzrollo oder Rahmensystem für die jeweilige Gebäudeöffnung zusammenstellen kann. Dadurch wird die Flexibilität des dadurch montierbaren Schutzrollos einfach und vorteilhaft erhöht und somit eine Anpassung an unterschiedliche, vor Ort vorgefundene Randbedingungen für die Montage ermöglicht. Hierzu sind insbesondere der Rollokasten, die Antriebsvorrichtung beziehungsweise die Hohlwelle, die Profilleisten, das Handgriffprofil, und die Abdeckbahn ablängbar ausgeführt. Dadurch wird die Flexibilität des Schutzrollo-Baukastensystems weiter erhöht und beispielsweise der Einsatz in Altbauten mit variablen Öffnungsabmessungen vereinfacht. Die Schnittkanten des Rollokastens sind vorzugsweise mittels jeweils einer stirnseitig aufsetzbaren Abdeckkappe optisch ansehnlich abdeckbar. Die Profilleisten weisen beispielsweise ebenfalls eine im Montagezustand untergrundseitige Abdeckkappe in Form eines Standfußes zur Abdeckung der Schnittkanten auf.This means that, for example, the roller blind box and the drive device as well as the profile strips and the cover sheet are each made in only one or as few different standard sizes as possible, and a consumer can put together an individual protective roller blind or frame system for the respective building opening. As a result, the flexibility of the protective roller blind that can be mounted in this way is increased in a simple and advantageous manner and thus an adaptation to different boundary conditions found on site for the assembly is possible. For this purpose, in particular the roller blind box, the drive device or the hollow shaft, the profile strips, the handle profile and the cover strip are designed to be cut to length. This further increases the flexibility of the modular protective roller blind system and, for example, simplifies use in old buildings with variable opening dimensions. The cut edges of the roller blind box are preferably visually visibly coverable by means of a cover cap that can be placed on the end face. The profile strips also have, for example, a cover cap on the underground side in the assembled state in the form of a stand to cover the cut edges.

Die Profilleisten und der Rollokasten sowie das Handgriffprofil sind vorzugsweise ablängbare Metallprofile, beispielsweise aus Aluminium. Ihr Querschnitt ist bevorzugterweise im Wesentlichen rechteckig. Jedoch sind auch quadratische oder abgerundete Ausführungen denkbar.The profile strips and the roller blind box and the handle profile are preferably metal profiles that can be cut to length, for example made of aluminum. Their cross section is preferably essentially rectangular. However, square or rounded designs are also conceivable.

Nachfolgend ist ein Ausführungsbeispiel der Erfindung anhand einer Zeichnung näher erläutert. Darin zeigen:

Fig. 1
ein Schutzrollo mit einer entlang zweier Profilleisten geführten Abdeckbahn und mit einem Rollokasten,
Fig. 2
in Perspektive den Rollokasten mit zwei stirnseitigen Abdeckkappen,
Fig. 3
in einer Schnittdarstellung entlang der Linie III-III in Fig. 2 den Rollokasten mit einer darin integrierten Antriebsvorrichtung mit einem Rohrmotor und mit einer Federwelle sowie mit einer Hohlwelle,
Fig. 4
in einer Schnittdarstellung entlang der Linie IV-IV in Fig. 2 ein Hohlprofil des Rollokastens,
Fig. 5
in perspektivischer Explosionsdarstellung eine erste Rahmenecke des Schutzrollos,
Fig. 6
in perspektivischer Explosionsdarstellung eine zweite Rahmenecke des Schutzrollos,
Fig. 7
in perspektivischer Darstellung eine Abdeckkappe mit einer Fügekontur,
Fig. 8
in perspektivischer Darstellung den Rohrmotor mit einer Fügeaufnahme,
Fig. 9
ein Hohlprofil der Hohlwelle,
Fig. 10
eine Gegenkontur der Federwelle, und
Fig. 11
eine Wellenbuchse der Federwelle.
An exemplary embodiment of the invention is explained in more detail below with reference to a drawing. Show in it:
Fig. 1
a protective roller blind with a cover strip guided along two profile strips and with a roller blind box,
Fig. 2
in perspective the roller blind box with two end caps,
Fig. 3
in a sectional view along the line III-III in Fig. 2 the roller blind box with an integrated drive device with a tubular motor and a spring shaft as well as a hollow shaft,
Fig. 4
in a sectional view along the line IV-IV in Fig. 2 a hollow profile of the roller blind box,
Fig. 5
a first frame corner of the protective roller blind in a perspective exploded view,
Fig. 6
a second frame corner of the roller blind in a perspective exploded view,
Fig. 7
a perspective view of a cover cap with a joining contour,
Fig. 8
a perspective view of the tubular motor with a joining fixture,
Fig. 9
a hollow profile of the hollow shaft,
Fig. 10
a counter contour of the spring shaft, and
Fig. 11
a shaft bushing of the spring shaft.

Einander entsprechende Teile und Größen sind in allen Figuren stets mit den gleichen Bezugszeichen versehen.Corresponding parts and sizes are always provided with the same reference symbols in all figures.

Die Fig. 1 zeigt in Vorderansicht ein Schutzrollo 2 mit einem Rollokasten 4 und daran seitlich angeordneten Profilleisten 6. An oder in den Profilleisten 6 ist ein Handgriffprofil 8 als Auszugleiste für eine Abdeckbahn 10 geführt. Die Abdeckbahn 10 ist einerseits bahnendseitig an dem Handgriffprofil 8, beispielsweise mittels eines Keders, gehalten, und andererseits bahnendseitig auf eine ablängbare Hohlwelle (Wickelwelle, Rollowelle) 12 gewickelt (Fig. 3).The Fig. 1 shows a front view of a protective roller blind 2 with a roller blind box 4 and profile strips 6 arranged laterally thereon. A handle profile 8 is guided on or in the profile strips 6 as a pull-out strip for a cover strip 10. The cover sheet 10 is on the one hand held at the end of the web on the handle profile 8, for example by means of a piping, and on the other hand is wound on a hollow shaft (winding shaft, roller blind shaft) 12 that can be cut to length on the web end ( Fig. 3 ).

Die Profilleisten 6 sind mittels jeweils drei Befestigungselementen 14 an einer Laibung oder Zarge einer Gebäudeöffnung schraubbefestigbar.The profile strips 6 can each be screw-fastened to a reveal or frame of a building opening by means of three fastening elements 14.

Die Abdeckbahn 10 ist beispielsweise ein Partikel-, Insekten- oder Pollenschutzgewebe (Insektenschutzgitter). Auch kann es sich bei der Abdeckbahn 10 um ein Sicht- oder Sonnenschutzgewebe oder dergleichen handeln.The cover sheet 10 is, for example, a particle, insect or pollen protection fabric (insect screen). The cover sheet 10 can also be a visual or sun protection fabric or the like.

Der in Fig. 2 einzeln dargestellte Rollokasten 4 ist stirnseitig im Bereich der Anbindung der jeweiligen Profilleiste 6 mittels jeweils einer lösbaren Abdeckkappe 16, 18 verschlossen.The in Fig. 2 The individually illustrated roller blind box 4 is closed at the end in the area of the connection of the respective profile strip 6 by means of a detachable cover cap 16, 18.

Wie in der Fig. 4 vergleichsweise deutlich ersichtlich ist, ist der Rollokasten 4 als eine Profilleiste mit einem Hohlprofil ausgeführt. Der Rollokasten 4 weist hierbei eine etwa rechteckförmige Querschnittsform auf, wobei in den innenseitigen Eckbereichen jeweils eine Schraubenaufnahme 20 angeordnet ist, in welche nicht näher bezeichnete Befestigungsschrauben zur Fixierung der Abdeckkappen 16, 18 eindrehbar sind. Der Rollokasten 4 weist eine Innenkammer 22 zur Aufnahme einer die Hohlwelle 12 umfassenden Antriebsvorrichtung 24 (Fig. 3) und der Abdeckbahn 10 auf. Die Innenkammer 22 ist mittels eines Profillängsschlitz 26 zu einer dem Handgriffprofil 8 zugewandten Unterseite hin in Längsrichtung geöffnet. An der dem Profillängsschlitz 26 gegenüberliegenden Seite (Oberseite) des Rollokastens 4 ist eine Fügekammer 28 zur Aufnahme eines nicht näher gezeigten, etwa leistenförmigen Dichtungselements (Dichtungsbürste) vorgesehen. Nachfolgend ist die Antriebsvorrichtung 24 anhand der Figuren 3, 5 und 6 näher erläutert. Die etwa zylindrische Antriebsvorrichtung 24 ist in den Rollokasten 4 integriert. Die Antriebsvorrichtung 24 weist einen Rohrmotor 30 und eine Federwelle 32 sowie die Hohlwelle 12 auf, welche koaxial zueinander angeordnet sind.Like in the Fig. 4 As can be seen comparatively clearly, the roller blind box 4 is designed as a profile strip with a hollow profile. The roller blind box 4 here has an approximately rectangular cross-sectional shape, with a screw receptacle 20 being arranged in each of the inside corner areas, into which fastening screws (not shown in more detail) for fixing the cover caps 16, 18 can be screwed. The roller blind box 4 has an inner chamber 22 for receiving a drive device 24 comprising the hollow shaft 12 ( Fig. 3 ) and the cover sheet 10. The inner chamber 22 is opened in the longitudinal direction by means of a longitudinal profile slot 26 towards an underside facing the handle profile 8. On the side (upper side) of the roller blind box 4 opposite the longitudinal profile slot 26, a joining chamber 28 is provided for receiving an approximately strip-shaped sealing element (sealing brush), not shown in detail. The drive device 24 is shown below with reference to FIG Figures 3 , 5 and 6th explained in more detail. The approximately cylindrical drive device 24 is integrated into the roller blind box 4. The drive device 24 has a tubular motor 30 and a spring shaft 32 as well as the hollow shaft 12, which are arranged coaxially to one another.

Die Federwelle 32 ist als ein Federmechanismus ausgebildet, welcher beim manuellen oder elektromotorischen Abwickeln der Abdeckbahn 10 entlang einer vertikalen Abwickelrichtung (Auszugrichtung) A von der Hohlwelle 12 diese und damit die Abdeckbahn 10 in Gegenrichtung beziehungsweise in Aufwickelrichtung (Einzugsrichtung) B federelastisch vorspannt. Die Federwelle 32 unterstützt den Rohrmotor 30 beim Aufwickeln der Abdeckbahn 10.The spring shaft 32 is designed as a spring mechanism which, during manual or electric motor unwinding of the cover web 10 along a vertical unwinding direction (pull-out direction) A, resiliently biases the latter and thus the cover web 10 in the opposite direction or in the winding direction (pull-in direction) B. The spring shaft 32 supports the tubular motor 30 in winding the cover sheet 10.

Wie in der Fig. 6 gezeigt, weist die Federwelle 32 beispielsweise zwei als Schraubenfedern ausgebildete Federelemente 34, 36 auf, welche mittels eines dazwischen angeordneten Drehstabs 38 mechanisch gekoppelt sind.Like in the Fig. 6 As shown, the spring shaft 32 has, for example, two spring elements 34, 36 designed as helical springs, which are mechanically coupled by means of a torsion bar 38 arranged between them.

Das außenseitige Federelement 34 sitzt im Montagezustand auf einer axialen Fügekontur 40 der Abdeckkappe 18 auf. Die Fügekontur 40 ist hierbei als ein etwa zylindrischer oder bolzenförmiger Axialzapfen ausgebildet. Das Federelement 34 ist hierbei insbesondere drehfest oder ortsfest auf die Fügekontur 40 aufgesetzt oder aufgesteckt.The outside spring element 34 is seated in the assembled state on an axial joining contour 40 of the cover cap 18. The joining contour 40 is designed as an approximately cylindrical or bolt-shaped axial pin. The spring element 34 is placed or pushed onto the joining contour 40 in a rotationally fixed or stationary manner.

Der in Fig. 8 einzeln dargestellte Rohrmotor 30 weist an seiner außenseitigen Stirnseite 42 eine Fügeaufnahme 44 für eine Fügekontur 46 der in Fig. 7 gezeigten Abdeckkappe 16 auf. Die Fügekontur 46 ist hierbei als ein axialer Fügezapfen mit einer etwa sternförmigen Querschnittsform ausgebildet, welcher in die komplementär geformte Fügeaufnahme 44 formschlüssig eingreift. Im Montage- oder Fügezustand ist der Rohrmotor 30 somit orts- und drehfest an der Abdeckkappe 16 gehalten.The in Fig. 8 Tubular motor 30, shown individually, has a joining receptacle 44 for a joining contour 46 of the in Fig. 7 cap 16 shown. The joining contour 46 is designed here as an axial joining pin with an approximately star-shaped cross-sectional shape, which engages positively in the complementarily shaped joining receptacle 44. In the assembled or joined state, the tubular motor 30 is therefore held in a stationary and rotationally fixed manner on the cover cap 16.

Das Handgriffprofil 8 ist - wie insbesondere in der Fig. 6 ersichtlich - als ein Hohlprofil ausgebildet, wobei im Montagezustand ein längliches, etwa leistenförmiges Gewicht 48 in dem Handgriffprofil 8 angeordnet ist, um die Abdeckbahn 10 im abgewickelten oder ausgezogenen Zustand auf Spannung zu halten. Das Handgriffprofil 8 ist seitlich mittels zweier Schieber 50 verschiebebeweglich und stabil in den Profilleisten 6 geführt. Die Profilleisten 6 weisen hierbei eine geöffnete Aufnahmekammer 52 als Hohlprofil auf, in welcher der jeweilige Schieber 50 formschlüssig einsitzt.The handle profile 8 is - as in particular in the Fig. 6 can be seen - designed as a hollow profile, wherein in the assembled state an elongated, approximately strip-shaped weight 48 is arranged in the handle profile 8 around the cover sheet 10 in the unwound or to keep tension in the extended state. The handle profile 8 is guided laterally by means of two slides 50 in a displaceable and stable manner in the profile strips 6. The profile strips 6 here have an open receiving chamber 52 as a hollow profile, in which the respective slide 50 is positively seated.

Die Aufnahmekammer 52 beziehungsweise die Profilleisten 6 sind zur Innenseite des Schutzrollos 2 hin geöffnet. Gegenüberliegend zu dieser Öffnung ist eine nutenartige Aufnahme 54 an der Außenseite der Profilleisten 6 vorgesehen, in welche eine jeweilige Fügelasche 56 der Abdeckkappen 16, 18 einschiebbar ist. Die Fügelaschen 56 sind im Montage- oder Fügezustand beispielsweise an den Profilleisten 6 schraubbefestigt.The receiving chamber 52 or the profile strips 6 are open to the inside of the protective roller blind 2. Opposite this opening, a groove-like receptacle 54 is provided on the outside of the profile strips 6, into which a respective fastening lug 56 of the cover caps 16, 18 can be inserted. The fastening lugs 56 are screw-fastened to the profile strips 6, for example, in the assembled or joined state.

Wie in der Fig. 9 ersichtlich ist, weist die etwa rohrförmige oder hohlzylindrische Hohlwelle 12 ein Hohlprofil in Form einer Innenkontur 58 auf. Die Innenkontur 58 ist in dem gezeigten Ausführungsbeispiel mit acht radial nach innen ragenden Rippen 60 ausgeführt, welche gleichmäßig verteilt am Innenumfang der Hohlwelle 12 angeordnet sind. Die Rippen 60 sind in den Figuren lediglich beispielhaft mit Bezugszeichen versehen.Like in the Fig. 9 As can be seen, the approximately tubular or hollow cylindrical hollow shaft 12 has a hollow profile in the form of an inner contour 58. In the exemplary embodiment shown, the inner contour 58 is designed with eight radially inwardly projecting ribs 60 which are arranged in a uniformly distributed manner on the inner circumference of the hollow shaft 12. The ribs 60 are provided with reference symbols in the figures merely by way of example.

Im Montage- oder Fügezustand des Schutzrollos 2 beziehungsweise der Antriebsvorrichtung 24 sind der Rohrmotor 30 und die Federwelle 32 sowie die Hohlwelle 12 koaxial zueinander angeordnet, insbesondere sind der Rohrmotor 30 und die Federwelle 32 - wie beispielsweise in Fig. 3 ersichtlich - im Wesentlichen vollständig an gegenüberliegenden Stirnseiten in die Hohlwelle 12 eingeschoben.In the assembled or joined state of the protective roller blind 2 or the drive device 24, the tubular motor 30 and the spring shaft 32 and the hollow shaft 12 are arranged coaxially to one another, in particular the tubular motor 30 and the spring shaft 32 - as for example in Fig. 3 can be seen - essentially completely pushed into the hollow shaft 12 on opposite end faces.

Der Rohrmotor 30 und die Federwelle 32 sind über die Hohlwelle 12 antriebstechnisch gekoppelt. Hierzu weisen der Rohrmotor 30 und die Federwelle 32 jeweils eine zu der Innenkontur 58 komplementär geformte Gegenkontur 62, 64 auf.The tubular motor 30 and the spring shaft 32 are drive-coupled via the hollow shaft 12. For this purpose, the tubular motor 30 and the spring shaft 32 each have a counter-contour 62, 64 that is shaped complementarily to the inner contour 58.

Wie in der Fig. 3 vergleichsweise deutlich ersichtlich ist, weist der Rohrmotor 30 gegenüber der Federwelle 32 entlang der Längsrichtung der Antriebsvorrichtung 24 beziehungsweise der Hohlwelle 12 eine geringere axiale Abmessung auf. Mit anderen Worten ist der Rohrmotor 30 kürzer als die Federwelle 32 ausgeführt.Like in the Fig. 3 As can be seen comparatively clearly, the tubular motor 30 faces the spring shaft 32 along the longitudinal direction of the drive device 24 or the hollow shaft 12 has a smaller axial dimension. In other words, the tubular motor 30 is made shorter than the spring shaft 32.

Nachfolgend ist der Aufbau der Gegenkonturen 62, 64 anhand der Gegenkontur 64 der Federwelle 32 beispielhaft erläutert. Die Gegenkontur 64 weist einen Mitnehmerkopf 66 mit in Umfangsrichtung verteilt angeordneten Radialrippen 68 auf. Die Radialrippen 68 stehen dem Außenumfang des Mitnehmerkopfs 66 radial empor und verlaufen entlang des Mitnehmerkopfs 66 axial.The structure of the mating contours 62, 64 is explained below by way of example using the mating contour 64 of the spring shaft 32. The mating contour 64 has a driver head 66 with radial ribs 68 arranged distributed in the circumferential direction. The radial ribs 68 protrude radially upward from the outer circumference of the driver head 66 and run axially along the driver head 66.

Die Radialrippen 68 liegen im Fügezustand innenwandseitig, beispielsweise kraft- oder reibschlüssig, in der Innenkontur 58 an. Die Radialrippen 68 greifen hierbei insbesondere in die zwischen den Rippen 60 gebildeten Zwischenräume 70 formschlüssig und drehfest ein. Der Mitnehmerkopf 66 der Gegenkontur 64 ist somit innenwandseitig mit der Hohlwelle 12 formschlüssig praktisch wellenfest verbunden.In the joined state, the radial ribs 68 lie on the inner wall side, for example in a non-positive or frictional manner, in the inner contour 58. The radial ribs 68 engage in the intermediate spaces 70 formed between the ribs 60 in a form-fitting and rotationally fixed manner. The driver head 66 of the mating contour 64 is thus connected to the hollow shaft 12 on the inside wall in a form-fitting manner, practically in a shaft-proof manner.

An den Mitnehmerkopf 66 der Gegenkontur 64 ist ein Fügezapfen 72 angeformt, auf welchen das Federelement 36 der Federwelle 32 drehfest aufgesetzt wird. Der Mitnehmerkopf 66 der Gegenkontur 62 ist hierbei zweckmäßigerweise mit einem Rotor des Rohrmotors 30 gekoppelt.A joining pin 72 is formed on the driver head 66 of the mating contour 64, onto which the spring element 36 of the spring shaft 32 is placed in a rotationally fixed manner. The driver head 66 of the mating contour 62 is expediently coupled to a rotor of the tubular motor 30.

Die Hohlwelle 12 ist mittels der Federwelle 32 einerseits und mittels des Rohrmotors 30 andererseits drehbar zwischen den Abdeckkappen 16, 18 gehalten. Zur Verringerung der Reibung sowie zur verbesserten Abstützung und Lagerung der Hohlwelle 12 ist eine endseitige Wellenbuchse 74 auf das Federelement 34 aufgesetzt.The hollow shaft 12 is rotatably held between the cover caps 16, 18 by means of the spring shaft 32 on the one hand and by means of the tubular motor 30 on the other hand. To reduce the friction and to improve the support and mounting of the hollow shaft 12, a shaft bushing 74 on the end side is placed on the spring element 34.

Die in Fig. 11 einzeln dargestellte, etwa manschettenartige Wellenbuchse 74 weist eine zentrale Durchführöffnung 76 für das Federelement 34 und die Fügekontur 40 auf. Die Durchführöffnung 76 weist eine glatte Innenwand auf, so dass der Reibwiderstand der Wellenbuchse 74 bei einer Drehung oder Rotation der Hohlwelle 12 an dem Federelement 34 möglichst gering ist. Die Wellenbuchse 74 weist an der Außenseite Radialrippen 76 auf, welche den Radialrippen 68 der Gegenkonturen 62, 64entsprechen. Im Fügezustand sitzt die Wellenbuchse 74 somit drehfest und formschlüssig in der Hohlwelle 12 ein.In the Fig. 11 individually illustrated, approximately sleeve-like shaft bushing 74 has a central feed-through opening 76 for the spring element 34 and the joining contour 40. The feed-through opening 76 has a smooth inner wall so that the frictional resistance of the shaft bushing 74 is as low as possible when the hollow shaft 12 rotates on the spring element 34. The shaft bushing 74 has radial ribs 76 on the outside, which the radial ribs 68 of the mating contours 62, 64 correspond. In the joined state, the shaft bushing 74 is seated in the hollow shaft 12 in a rotationally fixed and form-fitting manner.

In den Rohrmotor 30 ist geeigneterweise ein nicht näher gezeigter Energiespeicher in Form eines aufladbaren Akkumulators integriert. Der Energiespeicher ist hierbei an eine nicht näher dargestellte Photovoltaikzelle beziehungsweise an ein Photovoltaikpanel angeschlossen.An energy store (not shown in greater detail) in the form of a rechargeable battery is suitably integrated into the tubular motor 30. The energy store is connected to a photovoltaic cell (not shown in more detail) or to a photovoltaic panel.

Das Schutzrollo 2 ist vorzugsweise als ein Montageset nach dem Baukastenprinzip, also als ein Schutzrollo-Baukastensystem zur individuellen Anpassung an unterschiedliche Fenster- oder Türabmessungen ausgeführt.The protective roller blind 2 is preferably designed as an assembly set based on the modular principle, that is to say as a protective roller blind modular system for individual adaptation to different window or door dimensions.

Der Rollokasten 4 und die Antriebsvorrichtung 24 sowie die Profilleisten 6 und die Abdeckbahn 10 sowie die Handgriffleiste 8 sind hierbei jeweils in nur einer einzigen oder in nur möglichst wenigen verschiedenen Normgrößen ablängbar hergestellt, so dass sich ein Verbraucher ein individuelles Schutzrollo für die jeweilige Gebäudeöffnung zusammenstellen kann.The roller blind box 4 and the drive device 24 as well as the profile strips 6 and the cover strip 10 as well as the handle strip 8 are each made to be cut to length in just one or as few different standard sizes as possible, so that a consumer can put together an individual protective roller blind for the respective building opening .

Die Profilleisten 6 und der Rollokasten 4 sowie das Handgriffprofil 8 sind vorzugsweise ablängbare Metall- oder Hohlprofile, beispielsweise aus einem Aluminiummaterial. Die Länge der Antriebsvorrichtung 24 ist hierbei insbesondere durch die ablängbare Hohlwelle 12 variierbar, wobei die Hohlwelle 12 beispielsweise als ein metallisches Stangpressteil aus einem Aluminiummaterial ausgeführt ist. Die Gegenkonturen 62, 64 sowie die Wellenbuchse 74 und die Abdeckkappen 16, 18 sind beispielsweise als Spritzgussteile, beispielsweise aus einem Polyamidmaterial, hergestellt.The profile strips 6 and the roller blind box 4 as well as the handle profile 8 are preferably metal or hollow profiles that can be cut to length, for example made of an aluminum material. The length of the drive device 24 can be varied, in particular, by the hollow shaft 12 which can be cut to length, the hollow shaft 12 being designed, for example, as a metallic extruded part made of an aluminum material. The mating contours 62, 64 as well as the shaft bushing 74 and the cover caps 16, 18 are produced, for example, as injection molded parts, for example from a polyamide material.

Zur Montage des Schutzrollos 2 werden zunächst der Rollokasten 4 und die Hohlwelle 12 sowie die Profilleisten 6 und die Abdeckbahn 10 sowie die Handgriffleiste 8 auf die gewünschte, an die Abmessungen der jeweiligen Gebäudeöffnung angepasste, Länge gekürzt oder zugeschnitten.To assemble the roller blind 2, the roller blind box 4 and the hollow shaft 12 as well as the profile strips 6 and the cover strip 10 and the handle strip 8 are first shortened or cut to the desired length, adapted to the dimensions of the respective building opening.

Anschließend wird die Antriebsvorrichtung 24 montiert und die Abdeckbahn 10 mit der Hohlwelle 12 und dem Handgriffprofil 8 verbunden. Die Antriebsvorrichtung 24 und die Abdeckbahn 10 werden über die offenen Stirnseiten des Rollokastens 4 und/oder den Profillängsschlitz 26 in die Innenkammer 22 eingesetzt und somit in den Rollokasten 4 integriert. Die Antriebsvorrichtung 24 wird anschließend mittels der Abdeckkappen 16, 18 in dem Rollokasten 4 seitlich fixiert, wobei die Abdecckappen 16, 18 über die Schraubenaufnahmen 20 mit dem Rollokasten 4 schraubbefestigt werden.The drive device 24 is then mounted and the cover strip 10 is connected to the hollow shaft 12 and the handle profile 8. The drive device 24 and the cover strip 10 are inserted into the inner chamber 22 via the open end faces of the roller blind box 4 and / or the longitudinal profile slot 26 and are thus integrated into the roller blind box 4. The drive device 24 is then laterally fixed in the roller blind box 4 by means of the cover caps 16, 18, the cover caps 16, 18 being screw-fastened to the roller blind box 4 via the screw receptacles 20.

Die Schnittkanten der Profilleisten 6 werden untergrundseitig mit jeweils einem Standfuß 78 als Abdeckkappe verdeckt. Gegenüberliegend zu den Standfüßen 78 wird die jeweilige Fügelasche 56 in die Aufnahme 54 eingesetzt und dort schraubbefestigt. Abschließend wird das Schutzrollo 2 von der Innenseite her, über die Aufnahmekammer 52 mit den Befestigungselementen 14 an der Gebäudeöffnung sicher und rüttelfrei befestigt.The cut edges of the profile strips 6 are covered on the subsurface side with a base 78 as a cover cap. Opposite to the feet 78, the respective fastening lug 56 is inserted into the receptacle 54 and screw-fastened there. Finally, the protective roller blind 2 is fastened securely and vibration-free from the inside via the receiving chamber 52 with the fastening elements 14 to the building opening.

Die Erfindung ist nicht auf die vorstehend beschriebenen Ausführungsbeispiele beschränkt. Vielmehr können auch andere Varianten der Erfindung von dem Fachmann hieraus abgeleitet werden, ohne den Gegenstand der Erfindung zu verlassen. Insbesondere sind ferner alle im Zusammenhang mit den Ausführungsbeispielen beschriebenen Einzelmerkmale auch auf andere Weise miteinander kombinierbar, ohne den Gegenstand der Erfindung zu verlassen.The invention is not restricted to the exemplary embodiments described above. Rather, other variants of the invention can also be derived from this by the person skilled in the art without departing from the subject matter of the invention. In particular, all of the individual features described in connection with the exemplary embodiments can also be combined with one another in other ways without departing from the subject matter of the invention.

BezugszeichenlisteList of reference symbols

22
SchutzrolloProtective roller blind
44th
RollokastenRoller blind box
66th
ProfilleisteProfile strip
88th
HandgriffprofilHandle profile
1010
AbdeckbahnCover sheet
1212
HohlwelleHollow shaft
1414th
BefestigungselementFastener
1616
AbdeckkappeCover cap
1818th
AbdeckkappeCover cap
2020th
SchraubenaufnahmeScrew mount
2222nd
InnenkammerInner chamber
2424
AntriebsvorrichtungDrive device
2626th
ProfillängsschlitzLongitudinal profile slot
2828
FügekammerJoining chamber
3030th
RohrmotorTubular motor
3232
FederwelleSpring shaft
3434
FederelementSpring element
3636
FederelementSpring element
3838
DrehstabTorsion bar
4040
FügekonturJoining contour
4242
StirnseiteFace
4444
FügeaufnahmeJoining recording
4646
FügekonturJoining contour
4848
GewichtWeight
5050
SchieberSlider
5252
AufnahmekammerReceiving chamber
5454
Aufnahmeadmission
5656
FügelascheFins
5858
InnenkonturInner contour
6060
Ripperib
6262
GegenkonturCounter contour
6464
GegenkonturCounter contour
6666
MitnehmerkopfDriving head
6868
RadialrippeRadial rib
7070
ZwischenraumSpace
7272
FügezapfenJoining pins
7474
WellenbuchseShaft bushing
7676
RadialrippeRadial rib
7878
StandfußStand
AA.
AbwickelrichtungUnwind direction
BB.
AufwickelrichtungWinding direction

Claims (10)

Schutzrollo (2) für eine Gebäudeöffnung, aufweisend - eine Abdeckbahn (10) zur zumindest teilweisen Abdeckung der Gebäudeöffnung, und - einen Rollokasten (4) zur Aufnahme der Abdeckbahn (10), sowie - zwei zueinander beabstandete und parallel verlaufende Profilleisten (6) als Führungsschienen für ein mit der Abdeckbahn (10) gekoppeltes Handgriffprofil (8), - wobei eine elektromotorische Antriebsvorrichtung (24) in dem Rollokasten (4) integriert ist, mit welcher die Abdeckbahn (10) entlang einer Abwickelrichtung (A) verstellbar ist, - wobei die Antriebsvorrichtung (24) einen elektromotorischen Rohrmotor (30) und eine Federwelle (32) sowie eine ablängbare Hohlwelle (12) aufweist, - wobei die Hohlwelle (12) eine Innenkontur (58) aufweist, in welche der Rohrmotor (30) und die Federwelle (32) mittels Gegenkonturen (62, 64) an gegenüberliegenden Stirnseiten der Hohlwelle (12) formschlüssig und drehfest eingreifen. Protective roller blind (2) for a building opening, having - A cover sheet (10) for at least partially covering the building opening, and - A roller blind box (4) for receiving the cover sheet (10), as well as - two spaced apart and parallel profile strips (6) as guide rails for a handle profile (8) coupled to the cover sheet (10), - An electromotive drive device (24) being integrated in the roller blind box (4), with which the cover sheet (10) can be adjusted along an unwinding direction (A), - The drive device (24) having an electromotive tubular motor (30) and a spring shaft (32) and a hollow shaft (12) that can be cut to length, - The hollow shaft (12) has an inner contour (58) in which the tubular motor (30) and the spring shaft (32) engage positively and non-rotatably by means of counter contours (62, 64) on opposite end faces of the hollow shaft (12). Schutzrollo (2) nach Anspruch 1,
dadurch gekennzeichnet,
dass der Rohrmotors (30) bezogen auf die Längsrichtung des Rollokastens (4) eine geringere axiale Baulänge als die Federwelle (32) aufweist.Protective roller blind (2) according to claim 1,
characterized,
that the tubular motor (30) has a shorter axial length than the spring shaft (32) in relation to the longitudinal direction of the roller blind box (4). Schutzrollo (2) nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
dass die Antriebsvorrichtung (24) einen aufladbaren elektrischen Energiespeicher aufweist, welcher mit dem Rohrmotor (30) gekoppelt ist.Protective roller blind (2) according to claim 1 or 2,
characterized,
that the drive device (24) has a chargeable electrical energy storage device which is coupled to the tubular motor (30). Schutzrollo (2) nach Anspruch 3,
dadurch gekennzeichnet,
dass der Energiespeicher mittels einer Photovoltaikzelle aufladbar ist.Protective roller blind (2) according to claim 3,
characterized,
that the energy store can be charged by means of a photovoltaic cell. Schutzrollo (2) nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet,
dass die Gegenkontur (62, 64) der Federwelle (32) und/oder des Rohrmotors (30) einen Mitnehmerkopf (66) mit in Umfangsrichtung verteilt angeordneten Radialrippen (68) aufweist.Protective roller blind (2) according to one of claims 1 to 4,
characterized,
that the mating contour (62, 64) of the spring shaft (32) and / or of the tubular motor (30) has a driver head (66) with radial ribs (68) distributed in the circumferential direction. Schutzrollo (2) nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet,
dass der Rollokasten (4) an seinen gegenüberliegenden Stirnseiten jeweils eine Abdeckkappe (16, 18) aufweist, welche jeweils mit einer axialen Fügekontur (40, 46) zur drehfesten Halterung der Federwelle (32) beziehungsweise des Rohrmotors (30) versehen ist.Protective roller blind (2) according to one of claims 1 to 5,
characterized,
that the roller blind box (4) has a cover cap (16, 18) on each of its opposite end faces, each of which is provided with an axial joining contour (40, 46) for the non-rotatable mounting of the spring shaft (32) or the tubular motor (30). Schutzrollo (2) nach Anspruch 6,
dadurch gekennzeichnet,
dass die Fügekontur (40) für die Federwelle (32) als ein Axialzapfen ausgeführt ist, auf welchen die Federwelle (32) kraft- oder reibschlüssig aufgesetzt ist, wobei auf der Federwelle (32) im Bereich des Axialzapfens (40) eine Wellenbuchse (74) für die Hohlwelle (12) drehbar gelagert ist.Protective roller blind (2) according to claim 6,
characterized,
that the joining contour (40) for the spring shaft (32) is designed as an axial journal on which the spring shaft (32) is placed in a non-positive or frictional manner, with a shaft bushing (74) on the spring shaft (32) in the area of the axial journal (40) ) is rotatably mounted for the hollow shaft (12). Schutzrollo (2) nach Anspruch 6 oder 7,
dadurch gekennzeichnet,
dass die Fügekontur (46) für den Rohrmotor (30) als ein axialer Fügezapfen ausgebildet ist, welcher formschlüssig in eine Fügeaufnahme (44) des Rohrmotors (30) eingreift.Protective roller blind (2) according to claim 6 or 7,
characterized,
that the joining contour (46) for the tubular motor (30) is designed as an axial joining pin which positively engages in a joining receptacle (44) of the tubular motor (30). Elektromotorische Antriebsvorrichtung (24) eines Schutzrolls (2) nach einem der Ansprüche 1 bis 8, aufweisend einen elektromotorischen Rohrmotor (30) und eine Federwelle (32) sowie eine, insbesondere ablängbare, Hohlwelle (12), wobei die Hohlwelle (12) eine Innenkontur (58) aufweist, in welche der Rohrmotor (30) und die Federwelle (32) mittels Gegenkonturen (62, 64) an gegenüberliegenden Stirnseiten der Hohlwelle (12) formschlüssig und drehfest eingreifen.Electromotive drive device (24) of a protective roller (2) according to one of claims 1 to 8, having an electromotive tubular motor (30) and a spring shaft (32) as well as a hollow shaft (12), in particular which can be cut to length, the hollow shaft (12) having an inner contour (58), in which the tubular motor (30) and the spring shaft (32) are connected by means of counter contours (62, 64) engage opposite end faces of the hollow shaft (12) positively and non-rotatably. Schutzrollo-Baugruppensystem für den Einbau in eine Gebäudeöffnung, aufweisend einen Schutzrollo (2) nach einem der Ansprüche 1 bis 8.Protective roller blind assembly system for installation in a building opening, having a protective roller blind (2) according to one of Claims 1 to 8.
EP19193200.3A 2019-08-22 2019-08-22 Protective roller for an opening in a building Active EP3783188B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19193200.3A EP3783188B1 (en) 2019-08-22 2019-08-22 Protective roller for an opening in a building

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19193200.3A EP3783188B1 (en) 2019-08-22 2019-08-22 Protective roller for an opening in a building

Publications (3)

Publication Number Publication Date
EP3783188A1 true EP3783188A1 (en) 2021-02-24
EP3783188C0 EP3783188C0 (en) 2023-06-07
EP3783188B1 EP3783188B1 (en) 2023-06-07

Family

ID=67734603

Family Applications (1)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0911479A2 (en) * 1997-10-20 1999-04-28 Ditec S.p.A. Device for operating vertical flexible doors
US20110005694A1 (en) * 2009-07-07 2011-01-13 Philip Ng Adjustable Spring Assist for Window Coverings and Awnings
US20110203754A1 (en) * 2010-02-23 2011-08-25 Homerun Holdings, Corp Method for Operating a Motorized Roller Shade
WO2016128902A1 (en) * 2015-02-13 2016-08-18 Stafer S.P.A. Device for driving a roll-up element and related method for its use
US20180023340A1 (en) * 2016-07-20 2018-01-25 Hunter Douglas, Inc. Mounting Assembly for an Architectural Covering

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0911479A2 (en) * 1997-10-20 1999-04-28 Ditec S.p.A. Device for operating vertical flexible doors
US20110005694A1 (en) * 2009-07-07 2011-01-13 Philip Ng Adjustable Spring Assist for Window Coverings and Awnings
US20110203754A1 (en) * 2010-02-23 2011-08-25 Homerun Holdings, Corp Method for Operating a Motorized Roller Shade
WO2016128902A1 (en) * 2015-02-13 2016-08-18 Stafer S.P.A. Device for driving a roll-up element and related method for its use
US20180023340A1 (en) * 2016-07-20 2018-01-25 Hunter Douglas, Inc. Mounting Assembly for an Architectural Covering

Also Published As

Publication number Publication date
EP3783188C0 (en) 2023-06-07
EP3783188B1 (en) 2023-06-07

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