EP0889193B1 - Seilwinde mit Kupplungs- und Entkupplungsvorrichtung für den Antrieb einer Rolltüre oder eines Rolladens - Google Patents

Seilwinde mit Kupplungs- und Entkupplungsvorrichtung für den Antrieb einer Rolltüre oder eines Rolladens Download PDF

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Publication number
EP0889193B1
EP0889193B1 EP19980401644 EP98401644A EP0889193B1 EP 0889193 B1 EP0889193 B1 EP 0889193B1 EP 19980401644 EP19980401644 EP 19980401644 EP 98401644 A EP98401644 A EP 98401644A EP 0889193 B1 EP0889193 B1 EP 0889193B1
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EP
European Patent Office
Prior art keywords
cord
housing
winch according
pulley
ring
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
Application number
EP19980401644
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English (en)
French (fr)
Other versions
EP0889193A1 (de
Inventor
Alain Jeunot
Thierry Steinbauer
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.)
Zurfluh Feller SAS
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Zurfluh Feller SAS
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Publication date
Application filed by Zurfluh Feller SAS filed Critical Zurfluh Feller SAS
Publication of EP0889193A1 publication Critical patent/EP0889193A1/de
Application granted granted Critical
Publication of EP0889193B1 publication Critical patent/EP0889193B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E06B9/78—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
    • 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
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
    • E06B9/90—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for immobilising the closure member in various chosen positions
    • E06B2009/905—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for immobilising the closure member in various chosen positions using wrap spring clutches

Definitions

  • the present invention relates to a device allowing the operation of the apron door shaft of a roller shutter. It relates more particularly to a system cord winch fitted with a brake on the shaft door apron, a declutching or clutching means active when there is too much torque on the control unit, a limit switch system which acts on the winch when the apron is in position low.
  • cord winch systems having a coupling system between the driving part (winch) and the receiving part (support shaft of the apron of the roller shutter) with ratchets.
  • the wheel system free installed between the winch and the shaft allows to drive the tree in the upward direction, but not downhill. It's the weight of the apron which forces the tree to rotate in the direction of descent.
  • the operator operates a cord, in the direction of lowering, to release a spring positioned in a Bell.
  • the descent of the flap is only braked by the presence of a brake, placed in a position very removal of the winch part, which increases considerably the overall size of the assembly.
  • these devices do not include a limit switch, which thanks to mechanical stops, allows limit the lower stroke of the apron.
  • a limit switch which thanks to mechanical stops, allows limit the lower stroke of the apron.
  • this is caused by the absence of a freewheel on the tree, which allows the low point to apply a torque in the direction of descent on the tree and so to push on the apron behind the scenes, thanks to the automatic locking system.
  • cord winches equipped both a clutch and a clutch system, a limit switch and braking system integrated.
  • these winches have the major drawback of have a brake system whose intensity and endurance are very limited in time considering mainly that braking is provided by a single spring.
  • the clutch / declutching function has the disadvantage to use a mobile pulley system in rotation on a conical bearing, the sliding being caused by a stressing of elastic parts, the reproducibility of the setting is not constant in the time.
  • the present invention therefore aims to overcome these disadvantages in proposing a cord winch with a declutching mechanism active in both directions of rotation, which combines both a limit switch system and braking very integrated in the winch mechanism, for a better compactness of the whole.
  • the cord winch comprising a housing receiving a reducing organ between the winch part and the integral with the shaft of the roller shutter deck, the gear train forming the reducing member being fitted with a limit switch system, the housing comprising a pulley actuated in rotation by a cord, and integral with the reducer by a input shaft coaxial with said pulley, characterized by said shaft of entry being surrounded by a lining conforming with the latter a clutch / declutch system, the assembly being trapped inside said pulley, this last and the reducer cooperating with the part secured to the apron shaft, via a anti-reverse braking system comprising at least two elastically deformable springs, mounted in tandem.
  • the cord winch according to the invention essentially comprises a casing 1 forming the housing proper of the latter.
  • This one comprises two concentric cavities 2, 3; the first 3 has sufficient internal diameter and depth to allow the passage of a movable part 4, forming pulley, around which the cord 5 circulates, reducer 6 and of the clutch and disengage system 7, the other cavity 2 receives the system of braking 8 and protrudes from the first 2 and has a substantially cylindrical shape so that cooperate with the winding tube 9 of the shutter curtain rolling.
  • the ring 15 includes a plurality of recesses 23, noticeably oblong, judiciously spaced on its slice, and which under the effect of a certain torque threshold elastically deforms.
  • the ring 15 has a coaxial orifice 24 relative to the orifices 19 of the input half-wheels 10, 14 and whose side walls have a profile rapcyclo ⁇ dique.
  • the other component of the release / clutch member is an input shaft 25.
  • This input shaft 25 has on one of its front faces 26 of a connection means produced in particular in the form of a fluted part or tooth which cooperates on a planetary level 27 belonging to an epicyclic train forming the reducer 6, the other end face 28 has a shoulder 29 whose dimensions correspond to the diameter of the central hole 19 of one of the input half-wheels 10 or 14.
  • the outer wall 30 of the input shaft 25 is provided a succession of bosses 31 whose profile is similar to those practiced in the center of the ring elastomer 15, its profiles cooperating with each other so as to ensure the transmission of the torque whatever its meaning.
  • the operation of the clutch / disengage member is the following :
  • the cavities 23 present in the thickness of the ring 15 elastomer retain their geometry and do not not distort.
  • the ring 15 does not shear between its side wall 21 which is fixed in the recess 16 used in the two input half-wheels 10 and 14 and its internal side wall which cooperates at the level of the shaft input 25.
  • the rotational movement imparted by the cord 5 is transmitted to the input shaft 25 then, by through the reducer 6, to the winding tube 9 of the roller shutter deck.
  • the cavities 23 deform under the action of the couple and induce a shear between the lateral face 21 of the ring 15 which is fixed and that 30 which is located the interface with the input shaft 25.
  • the profile epicyclic of these faces in contact under the presence of these shear forces, causes sliding relative in rotation between the input shaft 25 and the ring 15 in elastomer.
  • the movement printed on the winch is therefore, during the entire phase of sliding between the elastomer ring and input shaft, removed up to what the respective side faces cooperate with new as soon as the intensity torque is removed abnormal.
  • Pulley 4 formed by the assembly of two half-wheels Input 10-14 trapping input shaft 25 and the elastomer ring 15, is positioned inside the large housing cavity having taken take care to couple the sun gear 27 input shaft 25 and satellites 32, 33, 34, number three and at 120 °, which are held in position via a planet carrier 35 which is connected in turn through a brake system 8, which will described below, at the winding axis 9 of the drum of the roller shutter deck.
  • the casing 1 has two notches 36, 37 placed right through a median axis, allowing the passage of the winch cord 5.
  • the main cavity 2 of the casing 1 has at the bottom and on its side wall internal, of a crown 38 with straight teeth on which meshes satellites 32, 33, 34.
  • this brake 8 of irreversibility consists of a device 39 elastically deformable depending on the type of stresses, generally torsion, applied to either end.
  • the braking torque is proportional the diameter and to increase the braking intensity, while ensuring the longevity of the brake system 8, at least two spiral springs are used, mounted in tandem, whose direction of the helix of these springs is such that if the terminal strands become integral with the training dogs, cooperating respectively at the level of the end of the shaft linked to the winding axis 9 of the roller shutter curtain and at the planet carrier 35, thanks to an entry knocker, meanwhile connected to the half-wheels input, so that the number of turns of these springs tend to increase, this will tend to make decrease the outside diameter of these springs.
  • the planetary reduction gearbox includes an end of stroke in the lower position of the bulkhead.
  • we develops an epicyclic train whose gears forming satellites 32, 33, 34 and planetary 27 have a number of prime teeth between them. If we consider a tooth on each gear with this property, the kinematics of these gears determines a single point of crossing for the two teeth considered, this crossing repeating according to a period of n turns (n integer). he therefore suffices to determine by an adequate choice of number of teeth of the various gears belonging to the train epicyclic, a reduction coefficient between the tree linked to the winch and the shaft secured to the shutter deck rolling, this coefficient also determining the number rotations of the receiving shaft necessary for movement of the race of said apron.
  • the object winch of the invention has a system clutch / disengage, a limit switch system, a brake system and a reduction system.

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

Claims (9)

  1. Gurtwinde mit einem Gehäuse, das zwischen dem Windenteil und dem fest mit der Schürzenwelle des Rollladens verbundenen Teil eine Untersetzung (6) aufnimmt, wobei die die Unteraetzung bildende Getriebekette mit einem Endanschlagsystem versehen ist und das Gehäuse (1) eine Antriebsscheibe (4) enthält, die von einem Gurt (5) in Drehung versetzbar ist und durch eine zur Antriebsscheibe (4) koaxiale Eingangswelle (25) mit der Untersetzung (6) verbunden ist, dadurch gekennzeichnet, dass die Eingangswelle (25) von einem Einsatz (15) umgeben ist, welcher mit ihr ein Ein/Auskuppelsystem bildat, wobei die Baugruppe im Inneren der Antriebsscheibe (4) aufgenommen ist und letztere und die Untersetzung (6) mit dem mit der Schürzenwelle (9) fest verbundenen Teil über ein Rückdrehbremssystem zusammen wirken, das mindestens zwei in Tandemanordnung angebrachte, elastisch verformbare Federn (39) enthält.
  2. Gurtwinde nach Anspruch 1, dadurch gekennzeichnet, dass die Antriebsscheibe (4) einerseits eine erste Eingangsradhälfte (10) umfasst, die auf ihrer zum Inneren des Gehäuses (1) gerichteten Innenseite (11) einen Kranz (12) aufweist, der mit einer Mehrzahl von erhabenen und vertieften Bereichen (13) versehen ist, die regelmäßig auf seinem Umfang derart angeordnet sind, dass sie das Ankuppeln des Gurtes (5) erlauben, und andererseits eine der ersten ähnliche zweite Eingangsradhälfte (14) umfasst, die im Verhältnis zu der ersten (10) derart angeordnet ist, dass in einer unter dem Kranz (12) eingeformten Ausnehmung (16) ein Elastomer-Einsatz (15) aufgenommen wird.
  3. Gurtwinde nach Anspruch 2, dadurch gekennzeichnet, dass die zum Inneren des Kranzes (12) gewandte Seitenfläche eine Mehrzahl regelmäßig über ihren Umfang verteilter vorstehender Bereiche (18) hat, welche die Festlegung des in der Ausnehmung (16) aufgenommenen Einsatzes (15) gegen Drehung bewirken.
  4. Gurtwinde nach Anspruch 2, dadurch gekennzeichnet, dass der Einsatz (15) aus einem zu einem Ring ausgeformten Elastomerschaum hergestellt ist, wobei dieser Ring (15) an seiner mit der in die Eingangsradhälften (10, 14) eingeformten Ausnehmung (16) in Kontakt befindlichen Seitenfläche (21) den vorstehenden Bereichen (18) zugeordnete Bereiche (22) umfasst, welche zu seiner radialen Festlegung beitragen.
  5. Gurtwinde nach Anspruch 4, dadurch gekennzeichnet, dass der Ring (15) eine Mehrzahl im wesentlichen länglicher Aussparungen (23) umfasst, die in sinnvoller Weise in seiner Schnittfläche verteilt sind, und die sich unter der Wirkung einer bestimmten Drehmomentschwelle elastisch verformen.
  6. Gurtwinde nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, dass der Ring (15) eine zu den Öffnungen (19) der Eingangsradhälften (10, 14) koaxiale Öffnung (24) umfasst, deren Seitenwände ein epizykloïdisches Profil aufweisen.
  7. Gurtwinde nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Außenwand (30) der Eingangswelle (25) mit einer Abfolge von Buckeln (31) versehen ist, deren Profil ähnlich dem in das Innere des Elastomer-Rings (15) eingeformten ist, wobei diese Profile miteinander so zusammenwirken, dass die Übertragung des Drehmoments unabhängig von seiner Richtung sichergestellt ist.
  8. Gurtwinde nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Gehäuse (1) zwei bogenförmige Ausschnitte (36, 37) aufweist, die jeweils auf einer Seite einer Mittelachse angeordnet sind und den Durchgang des Windengurtes (5) erlauben, wobei der Gurt (5) von Rollen (42) geführt wird, die im Gehäuse (1) in Höhe der bogenförmigen Ausschnitte (36, 37) angeordnet sind.
  9. Gurtwinde nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die in Tandemanordnung eingebauten und die elastisch deformierbaren Glieder bildenden Federn (39) von einer Glocke (40) umgeben sind, welche Glocke (40) ihrerseits mit dem Gehäuse (1) durch Außenrillen oder einfach durch Einpassen fest verbunden ist.
EP19980401644 1997-07-02 1998-07-01 Seilwinde mit Kupplungs- und Entkupplungsvorrichtung für den Antrieb einer Rolltüre oder eines Rolladens Expired - Lifetime EP0889193B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9708350A FR2765618B1 (fr) 1997-07-02 1997-07-02 Treuil a cordon comportant un organe d'embrayage/debrayage destine a manoeuvrer l'arbre porte-tablier d'un volet roulant
FR9708350 1997-07-02

Publications (2)

Publication Number Publication Date
EP0889193A1 EP0889193A1 (de) 1999-01-07
EP0889193B1 true EP0889193B1 (de) 2003-05-21

Family

ID=9508746

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980401644 Expired - Lifetime EP0889193B1 (de) 1997-07-02 1998-07-01 Seilwinde mit Kupplungs- und Entkupplungsvorrichtung für den Antrieb einer Rolltüre oder eines Rolladens

Country Status (5)

Country Link
EP (1) EP0889193B1 (de)
DE (2) DE69814744T2 (de)
ES (1) ES2127174T3 (de)
FR (1) FR2765618B1 (de)
PT (1) PT889193E (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2286192T3 (es) 1999-07-14 2007-12-01 Hunter Douglas Industries B.V. Conjunto de carril de cabecera para una persiana vertical.
FR2811013B1 (fr) * 2000-07-03 2003-05-16 Bubendorff Volet Roulant Dispositif d'entrainement de type manuel pour volet roulant
FR2816016B1 (fr) 2000-10-27 2003-02-07 Zurfluh Feller Dispositif limiteur de couple
MXPA04002651A (es) * 2002-03-20 2005-02-17 Rollease Inc Embrague para cortinas de rodillo con engranaje interno.
EP1717399A3 (de) * 2002-03-20 2008-04-09 Rollease, Inc. Kupplung mit innenliegendem Getriebe für einen Rollvorhang
AU2003220458A1 (en) * 2002-03-20 2003-10-08 Rollease Inc. Semi-cordless unbalanced spring driven blind system and methods for adjusting and making same
FR2875531B1 (fr) * 2004-09-21 2006-12-08 Bubendorff Sa Dispositif d'entrainement pour tablier de volet roulant.
GB2418449A (en) * 2004-09-27 2006-03-29 Louver Lite Ltd Control unit for window blind including intermediate gearing
US9033841B2 (en) * 2012-01-24 2015-05-19 Rollease, Inc. Window treatment operating apparatus with cycloidal drive
CN105525857B (zh) * 2016-02-04 2017-05-10 王海锋 窗帘控制器
US10407983B2 (en) 2016-10-26 2019-09-10 Hunter Douglas Inc. Operating system for an architectural covering
US10337243B2 (en) 2017-04-10 2019-07-02 Mechoshade Systems, Llc Geared bracket for a window shade
TWI739711B (zh) * 2021-01-28 2021-09-11 型態同步科技股份有限公司 升降控制模組及捲簾升降裝置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2620808A1 (de) * 1976-05-11 1977-11-17 Selve Fa Ernst Vorrichtung zur betaetigung von rollaeden
FR2722183B1 (fr) * 1994-07-11 1996-09-13 Zurfluh Feller Sa Treuil debrayable a cordon

Also Published As

Publication number Publication date
ES2127174T3 (es) 2003-12-01
FR2765618B1 (fr) 1999-08-27
FR2765618A1 (fr) 1999-01-08
DE69814744D1 (de) 2003-06-26
EP0889193A1 (de) 1999-01-07
DE69814744T2 (de) 2003-11-20
DE889193T1 (de) 1999-06-10
PT889193E (pt) 2003-10-31
ES2127174T1 (es) 1999-04-16

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