EP1185759B1 - Device for driving a belt - Google Patents
Device for driving a belt Download PDFInfo
- Publication number
- EP1185759B1 EP1185759B1 EP01937983A EP01937983A EP1185759B1 EP 1185759 B1 EP1185759 B1 EP 1185759B1 EP 01937983 A EP01937983 A EP 01937983A EP 01937983 A EP01937983 A EP 01937983A EP 1185759 B1 EP1185759 B1 EP 1185759B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- belt
- friction rollers
- wall
- spur gear
- pair
- 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.)
- Expired - Lifetime
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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
- E06B9/56—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
- E06B9/70—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned outside the roller
-
- 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
- E06B9/78—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor for direct manual operation, e.g. by tassels, by handles
Definitions
- the invention relates to a device for driving a Belt for a roller shutter, the belt on one in one Recess of a recessed wall and rotatably mounted Disc is arranged, the disc in the winding direction the belt is spring-loaded, with a housing, in which the belt is partially guided, with one on the wall mountable base plate of the housing, which has a transverse recess has, through which the belt led across the wall with at least two axially parallel friction rollers, on the circumferential surfaces of the belt in some areas rests with at least two each rotatably with the corresponding friction rollers connected and coaxial to the same arranged spur gears and with a the drive motor, which is operatively connected to the spur gears, that the belt rotates in the same direction by at least two Friction rollers are folded, with at least two friction rollers via a parallel spur gear are coupled.
- a device for driving is known from EP 0 860 579 A2 a belt for a roller shutter known in which the belt on a disc positioned in a recess in a wall is rotatably mounted.
- an electric drive motor provided the drive shaft with a first Spur gear is engaged.
- the first spur gear is at a greater distance from another Wall arranged second spur gear engaged.
- the two spur gears are each axially of the same protruding friction rollers non-rotatably connected, which as a support surface serve for the strap.
- the belt becomes meandering between the rollers passed around, the associated with the second spur gear
- the friction roller is positioned so that the belt is vertical run to the wall in the recess of the wall can. This right-angled orientation of the from the Recess extending region of the belt can Braking device to be put out of operation, which is usually in the case of manually operated roller shutters Winding direction of the spring-loaded belt acts.
- a disadvantage of the known device is that it subsequent installation of the same is required Remove the friction roller from the housing so that the belt with alternating wrap on the friction rollers can be hung up.
- the assembly of the device is therefore relatively complex.
- Another disadvantage of the known Device that due to the mounting location of the same the predetermined positioning of the second spur gear assigned friction roller is set. An adjustment to the local conditions is therefore not easy possible.
- DE-U-88 03 968 describes a relative protruding device with a single Belt pulley and two pulleys known.
- the object of the present invention is therefore a device for driving a belt for a shutter such to further develop that on the one hand the assembly effort is reduced and on the other hand ensures a secure guidance of the belt becomes.
- the invention is in connection characterized by the preamble of claim 1, that the belt is loop-shaped around a pair of friction rollers is folded, the belt towards one the other side of the friction roller facing away from the peripheral surface a friction roller rests and that on a wall facing Positioned two deflection rollers on the side of the friction rollers are such that on the one hand the belt under the friction rollers parallel extension to the wall and to the other a section of the belt lying at the front in the winding direction then with redirection essentially perpendicular to the Recess of the wall is guided, and that the central axes are arranged at a distance from each other, the maximum corresponds to the distance between the central axes of the friction rollers.
- the particular advantage of the invention is that the Assembly of the belt does not require the removal of a friction wheel.
- the assembly can thus be considerably simplified.
- the basic idea of the invention is the belt around the friction wheels without the belt an imaginary, the axes the connecting line connecting the friction wheels intersects.
- The are at least two friction gears associated with spur gears indirectly coupled via another spur gear, so that ensures that the friction rollers rotate in the same direction is.
- the pair of friction rollers or spur gears so axially parallel to the vertical Wall arranged that the belt loop around the peripheral surfaces the friction roller is turned over.
- the friction rollers arranged in pairs are two deflection rollers positioned, their central axes at a distance from each other are arranged, the maximum the distance of the central axes the friction rollers correspond to each other. hereby a greater degree of wrap around the belt is made possible, which enables safe and reliable guidance of the same.
- they are in pairs arranged and each assigned to a friction roller Spur gears directly with a drive pinion of the drive motor coupled, the central axes of the spur gears essentially perpendicular to the direction of extension of the belt are oriented. That way created a particularly compact and space-saving device. At an acute angle to the spur gears oriented pulleys allow the belt to twist in the longitudinal direction of the same.
- Both embodiments of the device according to the invention have in common that the belt is loop-shaped around the friction rollers is folded, with the central axes of the friction rollers form an extension plane, which is arranged parallel to the wall is.
- the fact that the belt is the friction rollers in a only wrapping direction is an assembly of the Device according to the invention possible without components the device would have to be removed.
- the housing is the Device designed as a modular unit, the deflection rollers on the one hand and the friction rollers or the spur gears on the other hand on a separate holding plate are mounted.
- the belt's friction rollers are brought into the assembly position, see above that subsequently by locking the holding plates to the Wall or to each other the assembly is complete.
- FIG. 1 and 2 is a first embodiment of the invention Device shown.
- a belt 1 of the roller shutter encompasses a first friction roller 2 and a second friction roller 3, each rigidly arranged with an axially offset Spur gear 4 and 5 are connected.
- the spur gears 4 and 5 each have a common coupling spur gear 6 engaged that between the two Spur gears 4 and 5 is arranged.
- the friction rollers 2, 3 and the spur gears 4, 5, 6 form a common extension plane 7 of the device parallel to one Wall 8 is arranged.
- the wall 8 has a recess 9 in which one end of the belt 1 on a not shown Disc is arranged to be windable under pre-tension is.
- the other end of the belt 1 is in another not shown and from the recess 9 in a vertical Direction upwardly spaced recess of the wall 8 stored.
- the belt 1 is loop-shaped, each of about Arranged 180 degrees on the peripheral surfaces of the friction rollers 2 and 3 is on a side facing the wall 8 the friction rollers 2 and 3 two identical deflection rollers 10 and 11 arranged.
- the pulleys 10 and 11 are like that Friction rollers 2 and 3, arranged in pairs, the axial Distance of the deflection rollers 10 and 11 is approximately half smaller is the axial distance between the friction rollers 2 and 3. In this way, a high degree of wrap the friction rollers 2 and 3 obtains a safe and reliable The belt 1 can be guided through the device.
- One of the two deflection rollers 10 and 11, preferably the by a drive motor 12 arranged more distant pulley 10, is designed as a guide roller that such is positioned that the belt 1 is perpendicular to the recess 9 of the wall 8 runs. That way, one won't Brake device shown a manual actuator overridden for the roller shutter.
- the belt 1 can thus the desired path can be adjusted.
- the drive motor 12 via a worm gear with the second spur gear 5 connected.
- the drive shaft of the drive motor 12 as Snail 13 formed with a helical tooth Drive spur gear 14 is engaged.
- This drive spur gear 14 is arranged axially offset and rigidly connected gear with a straight toothed one Spur gear 15 coupled to the second spur gear 5 is engaged.
- Figure 2 shows a housing 16 of the device, which essentially from a base plate 17, an intermediate plate 18 and a cover plate 19.
- the base plate 17 has corresponding to the recess 9 of the wall 8, a transverse recess 20 through which the belt 1 can engage.
- the axially parallel are arranged on the intermediate plate 18 Deflection rollers 10 and 11 are spaced apart.
- the space between the deflection rollers 10 and 11 corresponds at least in regions to the transverse recess 20 the base plate 17.
- the drive motor 12 which is essentially transverse to the extent of the base plate 17 and Intermediate plate 18 extends, the drive motor 12, the Spur gears 4, 5, 14, 15 and friction rollers 2 and 3 rotatably attached.
- the plates 17, 18, 19 form together a modular unit that enables easy assembly.
- the base plate 17 is fastened by fastening elements, such as screws, etc., attached to the wall 8.
- the belt 1 is through the transverse recess 20th through put.
- the second step is after education a loop 21 of the belt 1 the same through the gap formed by the pulleys 10 and 11 inserted so that the intermediate plate 18 can be mounted on the base plate 17.
- this loop 21 on the peripheral surfaces the friction rollers 2 and 3 are placed around the same and subsequently cover plate 19 parallel to wall 8 extending retaining webs 22 on the intermediate plate 18th assembled.
- the deflection rollers 10 and 11 can also on the Base plate 17 can be rotatably mounted. That way an intermediate plate 18 can be dispensed with.
- the pair of friction rollers 2 and 3 described above forms a plane of symmetry 23 which is perpendicular to the wall 8.
- the central axes of the friction rollers also extend 2 and 3 axially parallel to the deflection rollers 10 and 11.
- FIGS. 3 and 4 are used to couple the drive motor 12 directly with the spur gears 24 arranged in pairs and 25, on which axially offset friction rollers 26 and 27 are arranged are.
- the drive motor 12 Drive pinion 28 on, the axially parallel between the spur gears 24 and 25 is arranged and with the same in Intervention stands.
- the device can be compact and be designed to save space.
- the extend Axes of the spur gears 24 and 25 are substantially parallel to the direction of extension of the belt 1.
- the direction of extension of the pair of spur gears 24 and 25 is thus perpendicular to the direction of extension of the belt 1.
- a further deflection roller 31 is at the level of the recess 9 or 15 the recess 20 arranged so that the belt 1 in one right angle to the wall 8 in the recess 9 of the same can intervene.
- the deflection roller 31 of the second embodiment and the deflection roller 10 of the first embodiment serve as a guide for the belt 1 and 20 are in a spatially predetermined assignment to the Cross recess 20 of the base plate 17 positioned.
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Transmission Devices (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Blinds (AREA)
- Toys (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zum Antreiben eines Gurtes für einen Rolladen, wobei der Gurt auf einer in einer Ausnehmung einer Wand versenkten und drehbar gelagerten Scheibe angeordnet ist, wobei die Scheibe in Aufwickelrichtung des Gurtes federvorgespannt ist, mit einem Gehäuse, in dem der Gurt teilweise geführt ist, mit einer auf die Wand montierbaren Grundplatte des Gehäuses, die eine Querausnehmung aufweist, durch die der Gurt quer zur Wand geführt ist, mit mindestens zwei achsparallel angeordneten Reibrollen, auf deren Umfangsflächen jeweils der Gurt bereichsweise aufliegt, mit mindestens zwei jeweils drehfest mit den korrespondierenden Reibrollen verbundenen und koaxial zu denselben angeordneten Stirnzahnrädern und mit einem mit den Stirnzahnrädern in Wirkverbindung stehenden Antriebsmotor, dass der Gurt um mindestens zwei gleichsinnig rotierende Reibrollen umgelegt ist, wobei zumindest zwei Reibrollen über ein achsparallel versetzt angeordnetes Stirnzahnrad gekoppelt sind. The invention relates to a device for driving a Belt for a roller shutter, the belt on one in one Recess of a recessed wall and rotatably mounted Disc is arranged, the disc in the winding direction the belt is spring-loaded, with a housing, in which the belt is partially guided, with one on the wall mountable base plate of the housing, which has a transverse recess has, through which the belt led across the wall with at least two axially parallel friction rollers, on the circumferential surfaces of the belt in some areas rests with at least two each rotatably with the corresponding friction rollers connected and coaxial to the same arranged spur gears and with a the drive motor, which is operatively connected to the spur gears, that the belt rotates in the same direction by at least two Friction rollers are folded, with at least two friction rollers via a parallel spur gear are coupled.
Aus der EP 0 860 579 A2 ist eine Vorrichtung zum Antreiben
eines Gurtes für einen Rolladen bekannt, bei der der Gurt
auf einer Scheibe, die in einer Ausnehmung einer Wand positioniert
ist, drehbar gelagert angeordnet ist. Zum Anheben
und Absenken des Rolladens ist ein elektrischer Antriebsmotor
vorgesehen, dessen Antriebswelle mit einem ersten
Stirnzahnrad in Eingriff steht. Das erste Stirnzahnrad
steht mit einem weiteren unter einem höheren Abstand zur
Wand angeordneten zweiten Stirnzahnrad in Eingriff. Die
beiden Stirnzahnräder sind jeweils mit axial von demselben
abragenden Reibrollen drehfest verbunden, die als Auflagefläche
für den Gurt dienen. In Verbindung mit einer auf der
dem Antriebsmotor zugewandten Seite versetzt angeordneten
Umlenkrolle wird der Gurt mäanderförmig zwischen den Rollen
herumgeführt, wobei die dem zweiten Stirnzahnrad zugeordnete
Reibrolle derart positioniert ist, dass der Gurt senkrecht
zu der Wand in die Ausnehmung der Wand verlaufen
kann. Durch diese rechtwinklige Orientierung des aus der
Ausnehmung sich erstreckenden Bereichs des Gurtes kann eine
Bremseinrichtung außer Betrieb gesetzt werden, die Üblicherweise
bei manuell betätigbaren Rolladen entgegen der
Aufwickelrichtung des federvorgespannten Gurtes wirkt.A device for driving is known from
Nachteilig an der bekannten Vorrichtung ist, dass es zum nachträglichen Installieren derselben erforderlich ist, eine Reibrolle aus dem Gehäuse zu entfernen, damit der Gurt unter wechselnder Umschlingungsrichtung auf die Reibrollen aufgelegt werden kann. Die Montage der Vorrichtung ist daher relativ aufwendig. Weiterhin ist nachteilig an der bekannten Vorrichtung, dass der Montageort derselben aufgrund der vorgegebenen Positionierung der dem zweiten Stirnzahnrad zugeordneten Reibrolle festgelegt ist. Eine Anpassung an die örtlichen Gegebenheiten ist daher nicht ohne Weiteres möglich.A disadvantage of the known device is that it subsequent installation of the same is required Remove the friction roller from the housing so that the belt with alternating wrap on the friction rollers can be hung up. The assembly of the device is therefore relatively complex. Another disadvantage of the known Device that due to the mounting location of the same the predetermined positioning of the second spur gear assigned friction roller is set. An adjustment to the local conditions is therefore not easy possible.
Weiterhin ist aus der DE-U-88 03 968 eine releativ ausladend angebildete Vorrichtung mit einer einzigen Gurtscheibe und zwei mlenkrollen bekannt.Furthermore, DE-U-88 03 968 describes a relative protruding device with a single Belt pulley and two pulleys known.
Aufgabe der vorliegenden Erfindung ist es daher, eine Vorrichtung zum Antreiben eines Gurtes für einen Rolladen derart weiterzubilden, dass zum einen der Montageaufwand reduziert und zum anderen eine sichere Führung des Gurtes gewährleistet wird.The object of the present invention is therefore a device for driving a belt for a shutter such to further develop that on the one hand the assembly effort is reduced and on the other hand ensures a secure guidance of the belt becomes.
Zur Lösung diese Aufgabe ist die Erfindung in Verbindung
mit dem Oberbegriff des Patentanspruchs 1 dadurch gekennzeichnet,
dass der Gurt um ein Paar von Reibrollen schlaufenförmig
umgelegt ist, wobei der Gurt auf eine Jeweils zu
der anderen Reibrolle abgewandten Seite der Umfangsfläche
einer Reibrolle aufliegt und dass auf einer der Wand zugewandten
Seite der Reibrollen zwei Umlenkrollen positioniert
sind, derart, dass zum einen der Gurt die Reibrollen unter
paralleler Erstreckung zuder Wand verlässt und zum anderen
ein in Aufwickelrichtung vorne liegender Abschnitt des Gurtes
dann unter Umlenkung im Wesentlichen senkrecht zu der
Ausnehmung der Wand geführt ist, und dass die Mittelachsen
in einem Abstand zueinander angeordnet sind, der maximal
dem Abstand der Mittelachsen der Reibrollen zueinander entspricht.To achieve this object, the invention is in connection
characterized by the preamble of
Der besondere Vorteil der Erfindung besteht darin, dass die Montage des Gurtes nicht das Abnehmen eines Reibrades erfordert. Die Montage kann somit erheblich vereinfacht wird. Grundgedanke der Erfindung ist es, den Gurt um die Reibräder umzulegen, ohne dass der Gurt eine gedachte, die Achsen der Reibräder verbindende Verbindungslinie schneidet. Die zumindest zwei Reibrollen zugeordneten Stirnzahnräder sind mittelbar über ein weiteres Stirnzahnrad gekoppelt, so dass ein gleichsinniges Rotieren der Reibrollen gewährleistet ist.The particular advantage of the invention is that the Assembly of the belt does not require the removal of a friction wheel. The assembly can thus be considerably simplified. The basic idea of the invention is the belt around the friction wheels without the belt an imaginary, the axes the connecting line connecting the friction wheels intersects. The are at least two friction gears associated with spur gears indirectly coupled via another spur gear, so that ensures that the friction rollers rotate in the same direction is.
Nach der Erfindung ist das Paar von Reibrollen bzw. Stirnzahnrädern derart achsparallel zu der vertikal verlaufenden Wand angeordnet dass der Gurt schlaufenförmig um die Umfangsflächen der Reibrollen umgelegt ist. Vorteilhaft kann hierdurch eine besonders reibschlüssige Auflage des Gurtes auf den Reibrollen geschaffen werden.According to the invention, the pair of friction rollers or spur gears so axially parallel to the vertical Wall arranged that the belt loop around the peripheral surfaces the friction roller is turned over. Can be advantageous hereby a particularly frictional support of the belt created on the friction rollers.
Auf einer der Wand zugekehrten Seite der Erstreckungsebene der paarweise angeordneten Reibrollen sind zwei Umlenkrollen positioniert, deren Mittelachsen in einem Abstand zueinander angeordnet sind, der maximal dem Abstand der Mittelachsen der Reibrollen zueinander entspricht. Hierdurch wird ein größerer Umschlingungsgrad des Gurtes ermöglicht, der eine sichere und zuverlässige Führung desselben ermöglicht.On one side of the extension plane facing the wall the friction rollers arranged in pairs are two deflection rollers positioned, their central axes at a distance from each other are arranged, the maximum the distance of the central axes the friction rollers correspond to each other. hereby a greater degree of wrap around the belt is made possible, which enables safe and reliable guidance of the same.
Nach einer Ausführungsform der Erfindung sind die paarweise angeordneten und jeweils einer Reibrolle zugeordneten Stirnzahnräder direkt mit einem Antriebsritzel des Antriebsmotors gekoppelt, wobei die Mittelachsen der Stirnzahnräder im Wesentlichen rechtwinklig zu der Erstreckungsrichtung des Gurtes orientiert sind. Auf diese Weise ist eine besonders kompakte und platzsparende Vorrichtung geschaffen. In einem spitzen Winkel zu den Stirnzahnrädern orientierte Umlenkrollen ermöglichen ein Verwinden des Gurtes in Längsrichtung desselben.According to one embodiment of the invention, they are in pairs arranged and each assigned to a friction roller Spur gears directly with a drive pinion of the drive motor coupled, the central axes of the spur gears essentially perpendicular to the direction of extension of the belt are oriented. That way created a particularly compact and space-saving device. At an acute angle to the spur gears oriented pulleys allow the belt to twist in the longitudinal direction of the same.
Beide Ausführungsformen der erfindungsgemäßen Vorrichtung haben gemeinsam, dass der Gurt schlaufenförmig um die Reibrollen umgelegt ist, wobei die Mittelachsen der Reibrollen eine Erstreckungsebene bilden, die parallel zu der Wand angeordnet ist. Dadurch, dass der Gurt die Reibrollen in eine einzige Umschlingungsrichtung umfasst, ist eine Montage der erfindungsgemäßen Vorrichtung möglich, ohne dass Bauteile der Vorrichtung entfernt werden müssten.Both embodiments of the device according to the invention have in common that the belt is loop-shaped around the friction rollers is folded, with the central axes of the friction rollers form an extension plane, which is arranged parallel to the wall is. The fact that the belt is the friction rollers in a only wrapping direction is an assembly of the Device according to the invention possible without components the device would have to be removed.
Nach einer Weiterbildung der Erfindung ist das Gehäuse der Vorrichtung als Modulbaueinheit ausgebildet, wobei die Umlenkrollen einerseits und die Reibrollen bzw. die Stirnzahnräder andererseits auf einer gesonderten Halteplatte montiert sind. Vorteilhaft kann durch Durchziehen einer Schlaufe des Gurtes durch den zwischen den Umlenkrollen gebildeten Zwischenraum und nachfolgendem Umschlingen derAccording to a development of the invention, the housing is the Device designed as a modular unit, the deflection rollers on the one hand and the friction rollers or the spur gears on the other hand on a separate holding plate are mounted. Can be advantageous by pulling one Loop of the belt through the formed between the pulleys Gap and subsequent looping of the
Reibrollen der Gurt in die Montagelage gebracht werden, so dass nachfolgend durch Arretieren der Halteplatten an der Wand bzw. aneinander die Montage abgeschlossen ist.The belt's friction rollers are brought into the assembly position, see above that subsequently by locking the holding plates to the Wall or to each other the assembly is complete.
Zwei Ausführungsbeispiele der Erfindung werden nachfolgend anhand der Zeichnungen näher erläutert.Two embodiments of the invention are as follows explained in more detail with reference to the drawings.
Es zeigen:
Figur 1- ein schematischer Längsschnitt durch eine erfindungsgemäße Vorrichtung nach einem ersten Ausführungsbeispiel,
Figur 2- eine perspektivische Ansicht eines Gehäuses der erfindungsgemäßen Vorrichtung in Explosionsdarstellung,
Figur 3- eine perspektivische Darstellung einer erfindungsgemäßen Vorrichtung nach einem zweiten Ausführungsbeispiel und
- Figur 4
- eine Draufsicht auf die erfindungsgemäße Vorrichtung
gemäß
Figur 3.
- Figure 1
- 2 shows a schematic longitudinal section through a device according to the invention according to a first exemplary embodiment,
- Figure 2
- 3 shows a perspective view of a housing of the device according to the invention in an exploded view,
- Figure 3
- a perspective view of an inventive device according to a second embodiment and
- Figure 4
- 3 shows a top view of the device according to the invention according to FIG. 3.
In Figur 1 und 2 ist eine erste Ausführungsform der erfindungsgemäßen
Vorrichtung dargestellt. Ein Gurt 1 des Rolladen
umgreift eine erste Reibrolle 2 und eine zweite Reibrolle
3, die jeweils starr mit einem axial versetzt angeordneten
Stirnzahnrad 4 bzw. 5 verbunden sind. Die Stirnzahnräder
4 und 5 stehen jeweils mit einem gemeinsamen Koppelstirnzahnrad
6 in Eingriff, das zwischen den beiden
Stirnzahnrädern 4 und 5 angeordnet ist. Die Reibrollen 2, 3
und die Stirnzahnräder 4, 5, 6 bilden eine gemeinsame Erstreckungsebene
7 der Vorrichtung, die parallel zu einer
Wand 8 angeordnet ist. Die Wand 8 weist eine Ausnehmung 9
auf, in der ein Ende des Gurtes 1 auf einer nicht dargestellten
Scheibe unter Vorspannung aufwickelbar angeordnet
ist. Das andere Ende des Gurtes 1 ist in einer weiteren
nicht dargestellten und von der Ausnehmung 9 in vertikaler
Richtung nach oben beabstandeten Ausnehmung der Wand 8 gelagert.In Figures 1 and 2 is a first embodiment of the invention
Device shown. A
Damit der Gurt 1 ösenförmig unter Anlage von jeweils etwa
180 Grad auf den Umfangsflächen der Reibrollen 2 und 3 angeordnet
ist, sind auf einer der Wand 8 zugewandten Seite
der Reibrollen 2 und 3 zwei gleichartige Umlenkrollen 10
und 11 angeordnet. Die Umlenkrollen 10 und 11 sind, wie die
Reibrollen 2 und 3, paarweise angeordnet, wobei der axiale
Abstand der Umlenkrollen 10 und 11 etwa um die Hälfte kleiner
ist als der axiale Abstand der Reibrollen 2 und 3 zueinander.
Auf diese Weise wird ein hoher Umschlingungsgrad
der Reibrollen 2 und 3 erwirkt, der eine sicher und zuverlässige
Führung des Gurtes 1 durch die Vorrichtung ermöglicht.So that the
Eine der beiden Umlenkrollen 10 und 11, vorzugsweise die
von einem Antriebsmotor 12 entfernter angeordnete Umlenkrolle
10, ist als Führungsrolle ausgebildet, die derart
positioniert ist, dass der Gurt 1 senkrecht in die Ausnehmung
9 der Wand 8 verläuft. Auf diese Weise wird eine nicht
dargestellte Bremseinrichtung einer manuellen Betätigungseinrichtung
für den Rolladen außer Kraft gesetzt. Durch Ansteuerung
des Antriebsmotors 12 kann somit der Gurt 1 um
den gewünschten Weg verstellt werden. Zu diesem Zweck ist
der Antriebsmotor 12 über ein Schneckengetriebe mit dem
zweiten Stirnzahnrad 5 verbunden. Wie aus Figur I zu ersehen
ist, ist die Antriebswelle des Antriebsmotors 12 als
Schnecke 13 ausgebildet, die mit einem schräg verzahnten
Antriebsstirnzahnrad 14 in Eingriff steht. Dieses Antriebsstirnzahnrad
14 ist über ein axial versetzt angeordnetes
und starr verbundenes Zahnrad mit einem gradverzahnten weiteren
Stirnzahnrad 15 gekoppelt, das mit dem zweiten Stirnzahnrad
5 in Eingriff steht.One of the two
Figur 2 zeigt ein Gehäuse 16 der Vorrichtung, das im Wesentlichen
aus eine Grundplatte 17, einer Zwischenplatte 18
und einer Deckplatte 19 besteht. Die Grundplatte 17 weist
korrespondierend zu der Ausnehmung 9 der Wand 8 eine Querausnehmung
20 auf, durch die der Gurt 1 eingreifen kann.
Auf der Zwischenplatte 18 sind die achsparallel angeordneten
Umlenkrollen 10 und 11 beabstandet zueinander gelagert.
Der Zwischenraum zwischen den Umlenkrollen 10 und 11 korrespondiert
zumindest bereichsweise zu der Querausnehmung 20
der Grundplatte 17. An der Deckplatte 19, die sich im Wesentlichen
quer zur Erstreckung der Grundplatte 17 und der
Zwischenplatte 18 erstreckt, sind der Antriebsmotor 12, die
Stirnzahnräder 4, 5, 14, 15 sowie die Reibrollen 2 und 3
drehbar befestigt. Die Platten 17, 18, 19 bilden zusammen
eine Modulbaueinheit, die eine einfache Montage ermöglicht.Figure 2 shows a
In einem ersten Schritt wird die Grundplatte 17 durch Befestigungselemente,
wie Schrauben etc., an der Wand 8 befestigt.
Dabei wird der Gurt 1 durch die Querausnehmung 20
hindurchgesteckt. In einem zweiten Schritt wird nach Bildung
einer Schlaufe 21 des Gurtes 1 dieselbe durch den
durch die Umlenkrollen 10 und 11 gebildeten Zwischenraum
hindurchgesteckt, so dass nachfolgend die Zwischenplatte 18
auf der Grundplatte 17 montiert werden kann. In einem dritten
Schritt wird diese Schlaufe 21 auf die Umfangsflächen
der Reibrollen 2 und 3 unter Umgreifen derselben aufgelegt
und nachfolgend die Deckplatte 19 an parallel zur Wand 8
sich erstreckenden Haltestegen 22 auf der Zwischenplatte 18
montiert.In a first step, the base plate 17 is fastened by fastening elements,
such as screws, etc., attached to the
Alternativ können die Umlenkrollen 10 und 11 auch auf der
Grundplatte 17 drehbar gelagert sein. Auf diese Weise kann
auf eine Zwischenplatte 18 verzichtet werden.Alternatively, the
Das oben beschriebene Paar von Reibrollen 2 und 3 bildet
eine Symmetrieebene 23, die senkrecht zu der Wand 8 verläuft.
Ferner erstrecken sich die Mittelachsen der Reibrollen
2 und 3 achsparallel zu den Umlenkrollen 10 und 11.The pair of
Nach einem zweiten Ausführungsbeispiel der Erfindung gemäß
Figur 3 und 4 erfolgt die Kopplung des Antriebsmotors 12
direkt mit den paarweise angeordneten Stirnzahnrädern 24
und 25, an denen achsversetzt Reibrollen 26 bzw. 27 angeordnet
sind. Zu diesem Zweck weist der Antriebsmotor 12 ein
Antriebsritzel 28 auf, das achsparallel zwischen den Stirnzahnrädern
24 und 25 angeordnet ist und mit denselben in
Eingriff steht.According to a second embodiment of the invention
FIGS. 3 and 4 are used to couple the
Gleiche Bauteile des zweiten Ausführungsbeispiels im Vergleich
zu dem ersten Ausführungsbeispiel werden mit den
gleichen Bezugsziffern versehen. Dadurch, dass die Achsen
der Stirnzahnräder 24, 25 achsparallel zu dem Antriebsritzel
28 ausgebildet sind, kann die Vorrichtung kompakt und
platzsparend ausgebildet sein. Dabei erstrecken sich die
Achsen der Stirnzahnräder 24 und 25 im Wesentlichen parallel
zur Erstreckungsrichtung des Gurtes 1. Die Erstrekkungsrichtung
des Paares von Stirnzahnrädern 24 und 25
steht somit senkrecht zur Erstreckungsrichtung des Gurtes
1. The same components of the second embodiment in comparison
to the first embodiment with the
provided with the same reference numbers. Because of the axes
the spur gears 24, 25 axially parallel to the
Zur Umlenkung des so um 90 Grad verdrehten Gurtabschnittes
sind zwei Umlenkrollen 29 und 30 vorgesehen, die auf einer
der Wand 8 zugewandten Seite in einem spitzen Winkel zu den
Achsen der Stirnzahnräder 24 und 25 angeordnet sind. Eine
weitere Umlenkrolle 31 ist in Höhe der Ausnehmung 9 bzw. 15
der Ausnehmung 20 angeordnet, so dass der Gurt 1 in einem
rechten Winkel zu der Wand 8 in die Ausnehmung 9 derselben
eingreifen kann. Die Umlenkrolle 31 des zweiten Ausführungsbeispiels
und die Umlenkrolle 10 des ersten Ausführungsbeispiels
dienen als Führungsrolle für den Gurt 1 und
20 sind in einer raumlich vorgegebenen Zuordnung zu der
Querausnehmung 20 der Grundplatte 17 positioniert.To redirect the belt section rotated by 90 degrees
are two
Claims (9)
- Device for driving a belt of a roller shutter wherein the belt is disposed on a pulley rotatably arranged and embedded in a wall recess and wherein the pulley is spring biased in belt windup direction, said device comprising a housing for the belt to be partially guided in; a base plate of said housing adapted to be mounted on the wall and provided with a transversal recess through which the belt extends cross to the wall; at least two friction rollers in axially parallel arrangement having peripheral surfaces which are in partial supporting contact with the belt; at least two spur gear wheels nonrotatably secured to their mating friction rollers in coaxial relation therewith; and a drive motor actively connected to said spur gear wheels; said belt (1) being wrapped around at least two friction rollers (2, 3, 26, 27) and said two friction rollers (2, 3, 26, 27) being coupled together by a spur gear wheel (6, 28) arranged in an axis-parallelly offset relation;
characterized by the fact that
the belt (1) is wrapped around a pair of friction rollers (2, 3, 26, 27) in the form of a loop such that the belt (1) contacts that side of the peripheral surface of one of the friction rollers 2, 3; 26, 27) which is facing away from the other friction roller (2, 3, 26, 27) and that two return pulleys (10, 11, 29, 30) are positioned on the very side of the friction rollers (2, 3, 26, 27) that is facing the wall (8) such that the belt (1) clears the friction rollers (2, 3, 26, 27) while extending parallel to the wall (8) on the one hand; that seen in windup direction a forward section of said belt (1) is then deflected and carried to said recess (9) in the wall (8) in a substantially perpendicular relation on the other hand; and that the axes are spaced from each other by an amount not exceeding the distance between the axes of the friction rollers (2, 3, 26, 27). - Device according to Claim 1, characterized by the fact that the axes of at least two friction rollers (2, 3; 26, 27) are extending in a plane which is parallel to the wall (8).
- Device according to Claim 1 or 2, characterized by the fact that the plane of symmetry (23) of said pair of friction rollers (2, 3; 26, 27) extends perpendicular to the wall (8).
- Device according to any of the preceding Claims 1 to 3, characterized by the fact that the pair of friction rollers (2, 3) is arranged axially parallel to the return pulleys (10, 11).
- Device according to any of the preceding Claims 1 to 4, characterized by the fact that the spur gear wheels (4, 5) allocated to said pair of friction rollers (2, 3) are in meshing engagement with a coupling spur wheel (6) which is axially parallel to said spur gear wheels.
- Device according to any of the preceding Claims 1 to 5, characterized by the fact that said pair of friction rollers (2, 3) is actively connected to a drive shaft of a drive motor (12) by means of a gear unit, in particular a worm gear unit, wherein the individual spur gear wheels (14, 15) are arranged side by side.
- Device according to any of the preceding claims 1 to 6, characterized by the fact that the spur gear wheels (24, 25) in pairwise arrangement and allocated to the pair of friction rollers (26, 27) are in meshing engagement with a driving pinion (28) of said drive motor (12) which is disposed on the side facing the other spur gear wheel (24, 25).
- Device according to any of the preceding Claims 1 to 7, characterized by the fact that said pair of friction rollers (26, 27) and said pair of spur gear wheels (24, 25) are arranged in a substantially 90° staggered relation to the direction in which the belt (1) extends, wherein the pair of return pulleys (29, 30) disposed on that side of the friction rollers (26, 27) which is facing the wall (8) is oriented under an acute angle to the pair of friction rollers (26, 27) and/or spur gear wheels (24, 25).
- Device according to any of the Claims 1 to 8, characterized by the fact that the housing (16) is provided as a modular unit, wherein the return pulleys (10, 11) on the one hand and the friction rollers (2, 3) as well as the spur gear wheels (4, 5, 14, 15) on the other hand are mounted on a separate holding plate in each case.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10017954A DE10017954A1 (en) | 2000-04-11 | 2000-04-11 | Device for driving a roller shutter belt which wraps round two friction rollers coupled through spur wheel gear with deflecting rollers ensuring belt leaves parallel extended to wall whilst front part is guided at right angles |
DE10017954 | 2000-04-11 | ||
PCT/DE2001/001397 WO2001077478A1 (en) | 2000-04-11 | 2001-04-10 | Device for driving a belt |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1185759A1 EP1185759A1 (en) | 2002-03-13 |
EP1185759B1 true EP1185759B1 (en) | 2004-06-23 |
Family
ID=7638345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01937983A Expired - Lifetime EP1185759B1 (en) | 2000-04-11 | 2001-04-10 | Device for driving a belt |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1185759B1 (en) |
AT (1) | ATE269934T1 (en) |
AU (1) | AU6375901A (en) |
DE (2) | DE10017954A1 (en) |
ES (1) | ES2223864T3 (en) |
WO (1) | WO2001077478A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6767869B2 (en) | 2000-02-29 | 2004-07-27 | Bj Services Company | Well service fluid and method of making and using the same |
DE10202055A1 (en) * | 2002-01-18 | 2003-07-31 | Hans Arnhold | Roller shutter drive system with improved friction driving |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8416248U1 (en) * | 1984-05-29 | 1984-09-13 | Heinstadt, Peter, 6964 Rosenberg | BELT WINDING DRIVE UNIT FOR ROLLAEDES |
DE3717680A1 (en) * | 1987-05-26 | 1988-12-22 | Rasmussen Kann Ind As | BELT REWINDERS, ESPECIALLY FOR ROOF WINDOW ROLLING WHEELS |
DE8803968U1 (en) * | 1988-03-24 | 1988-06-09 | Dubbert, Heinz, 8202 Bad Aibling, De | |
DE19706329A1 (en) * | 1997-02-19 | 1998-09-03 | Hans Arnhold | Roller shutter belt drive |
-
2000
- 2000-04-11 DE DE10017954A patent/DE10017954A1/en not_active Withdrawn
-
2001
- 2001-04-10 EP EP01937983A patent/EP1185759B1/en not_active Expired - Lifetime
- 2001-04-10 DE DE50102660T patent/DE50102660D1/en not_active Expired - Lifetime
- 2001-04-10 ES ES01937983T patent/ES2223864T3/en not_active Expired - Lifetime
- 2001-04-10 WO PCT/DE2001/001397 patent/WO2001077478A1/en active IP Right Grant
- 2001-04-10 AU AU63759/01A patent/AU6375901A/en not_active Abandoned
- 2001-04-10 AT AT01937983T patent/ATE269934T1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2001077478A1 (en) | 2001-10-18 |
AU6375901A (en) | 2001-10-23 |
EP1185759A1 (en) | 2002-03-13 |
DE50102660D1 (en) | 2004-07-29 |
ATE269934T1 (en) | 2004-07-15 |
DE10017954A1 (en) | 2001-10-18 |
ES2223864T3 (en) | 2005-03-01 |
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