EP0775798A1 - Drehantriebsvorrichtung zum Drehen der Rolle eines Rolladens - Google Patents
Drehantriebsvorrichtung zum Drehen der Rolle eines Rolladens Download PDFInfo
- Publication number
- EP0775798A1 EP0775798A1 EP96420336A EP96420336A EP0775798A1 EP 0775798 A1 EP0775798 A1 EP 0775798A1 EP 96420336 A EP96420336 A EP 96420336A EP 96420336 A EP96420336 A EP 96420336A EP 0775798 A1 EP0775798 A1 EP 0775798A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sleeve
- drive device
- brake
- flange
- drum
- 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
Links
Images
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
- E06B9/74—Operating devices or mechanisms, e.g. with electric drive adapted for selective electrical or manual operation
-
- 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
- E06B9/76—Operating devices or mechanisms, e.g. with electric drive using crank handles
Definitions
- the invention relates to a device for rotating the winding drum of a rolling shutter and a rolling shutter comprising such a device.
- the patent application FR.A.2 455 160 discloses a device for driving a roller shutter in which, when it is necessary to use the manual control, a rotation is made about its axis of rotation. casing containing both an electric motor and its braking system. This device therefore requires providing that this casing must be able to rotate about its axis, which implies rotating electrical connections and special mechanical connections in order to allow this kind of movement. This device is therefore complex, which increases its cost and predisposes it to operating failures.
- DE-A-35 044 489 discloses a manual control device for an electrically driven roller shutter in which a frame is resiliently pushed and carries a brake shoe, a second shoe which can be driven in rotation through a blocking unit.
- the reduction ratio obtained is low and it is necessary to make the control rod perform a large number of turns in order to control the rotation of the flap.
- the blocking unit is offset from the axis of the shutter winding tube, so that the angular position of the control rod is imposed, which is not without difficulty when the establishment of such a rolling shutter.
- US-A-4 651 940 discloses a particularly complex and therefore expensive device, in which a support element connected to a central shaft has a support surface capable of cooperating with a disc controlled in translation by an electromagnet.
- the presence of an electromagnet significantly increases the cost price of the system and the risk of failure.
- the reducer used does not allow easy manipulation of the roller shutter by its manual control.
- the invention solves the problems of the prior art thanks to a device for driving in rotation a winding element of a roller shutter which is relatively simple to manufacture and easy to use.
- a device for driving a roller shutter winding element in rotation comprising an electric motor, essentially consisting of a stator and a rotor, and a brake, intended to prevent the rotation of said element. winding with respect to a fixed casing when said motor is not activated, said brake comprising at least one member, integral in rotation with said rotor and intended to cooperate with at least one blocking element carried by a flange, said motor and said brake being mounted inside said fixed casing, characterized in that it comprises a fixed crown relative to said casing and a sleeve cooperating with said flange and said crown to form a planetary gear, said sleeve being able to be locked in rotation relative to said crown by means of a brake spring.
- the invention it is not necessary to provide complex drive systems for the motor shaft, which makes it possible to produce a simple and economical device. It also allows easy maneuvering when using the manual control since it is not necessary to overcome significant friction forces.
- the crown, the sleeve and the flange form a planetary gear which constitutes an effective reducer for the transmission of movement from the sleeve to the flange when the latter is to be driven in rotation for manual control of the roller shutter.
- the device comprises a drum connected to a manual control element and coaxial with the flange, the sleeve and the crown. Thanks to this aspect of the invention, the manual drive movement is effectively transmitted from the manual control element such as, for example, a rod connected to a crank, to the flange.
- the manual control element such as, for example, a rod connected to a crank
- the brake spring is disposed between on the one hand the crown and on the other hand the drum and the sleeve.
- This construction makes it possible to have a large surface area for the brake spring inside the drive device, which enables it to effectively block the flange in rotation.
- the envelope of the brake spring is able to expand radially during the application to the drum of a torque transmitted by the sleeve.
- the envelope of the brake spring does not expand radially during the transmission of a torque from the drum to the sleeve.
- the drum is surrounded over most of its circumference by a collar of the sleeve.
- This collar serves as the central core of the brake spring.
- the winding element can be a cylinder or a disc supporting the deck.
- the blocking element can be constituted by one or two pads in the form of a crown and the member integral with the rotor is a ring, a disc or a plate.
- the invention finally relates to a rolling shutter comprising a drive device as described above.
- the device of FIG. 1 comprises a fixed casing 1, in which is placed an electric motor 2 supplied with current by electrical conductors 3.
- the fixed casing has here the shape of a cylindrical tube with circular section but any tube, cylindrical or not, whatever its section, would be compatible with the invention.
- the output shaft 4 of the electric motor 2 is engaged with a reduction gear 5 the output of which is fixed in rotation at the center of a disc 6 at the periphery of which is mounted a winding cylinder 7 of the bulkhead, not shown of a roller shutter.
- the winding cylinder 7 will be driven to wind or unwind the roller shutter deck.
- this assembly comprises, in particular, a metal ring 11 fixed in rotation relative to the shaft 4, but capable of sliding axially on this shaft.
- a spiral spring 12 mounted around the shaft 4 bearing against the rotor 2a of the electric motor 2 and against the internal face of the ring 11 tends to separate the ring 11 from the rotor of the electric motor 2.
- the electric motor 2 n is not activated, no current flows in its rotor 2a and the ring 11 is subjected to the sole force of the spring 12, which moves it away from the electric motor.
- the electric motor is running, the current in the rotor 2a of the electric motor induces magnetic forces which tend to attract the ring 11 towards the rotor and to move it in the direction of the latter.
- the ring 11 is terminated, at its end furthest from the rotor 2a of the electric motor 2, by a surface 13 substantially orthogonal to the axis of the shaft 4. Furthermore, a disc 14 is mounted fixed in rotation and in translation relative to the shaft 4 by means of an elastic pin 15. The distance between the disc 14 and the ring 11 therefore varies according to the position of the ring 11 relative to the rotor of the electric motor.
- Two pins 16 and 16 ' are mounted in holes in the disc 14 and the ring 11; they carry a plate or plate 17 which they can drive in rotation.
- the disc 14 and the plate 17 are integral with the rotor 2 a .
- a flange 18 carries one or two pads 19 and 19 ′ in the form of a crown, immobilized in rotation relative to the latter and arranged inside the space between the disc 14 and the ring 11, on either side of the free plate 17.
- the operation of the brake motor is as follows: When the electric motor 2 is activated, the magnetic forces induced in the rotor 2a attract the ring 11 towards the rotor, so that the disc 14 and the ring 11 are separated enough so that the contact between the plate 17, the disc 14 and the ring 11 on the one hand, and the pads 19 and 19 'on the other hand is not blocking. On the contrary, when the motor 2 is not activated, the spring 12 pushes the ring 11 in abutment against the pad 19 ', the ring 11 therefore presses the pad 19' against the plate 17 which is pressed itself against the pad 19 in abutment against the disc 14. In this way, the rotational movement of the ring 11 is prevented by the friction generated between the parts 14, 17, 19, 19 'and 11. The shaft 4 which is integral in rotation with the ring 11 is therefore also locked in rotation. Thus, when the electric motor 2 is not activated, it is braked by the entire structure 10. We speak of a brake motor.
- the device further comprises means for driving the flange 18 in rotation inside the fixed casing 1.
- These means comprise a rod 20 connected at its outer end to a bevel gear, itself connected to a crank 21 likely to be taken over by a user.
- the end of the rod 20 closest to the brake motor is provided with external grooves allowing it to be fixed in rotation inside a drive drum 22.
- the drum 22 is provided with a lug 23. Over the greater part of its circumference not corresponding to the angular sector occupied by the lug 23, the drum 22 is surrounded by a flange 24 d 'a sleeve 25.
- the sleeve 25 carries two axes of rotation 26 and 26' of two toothed wheels 27 and 27 '.
- the wheels 27 and 27 ' are the satellites of a planetary gear centered on the flange 18.
- the teeth of the toothed wheels 27 and 27' are engaged with teeth formed on the one hand on a crown 29 fixed inside the casing 1 and on the other hand on the flange 18.
- the flange 18 is mounted inside the ring 29, the contact between the external cylindrical surface of the flange 18 and the internal cylindrical surface of the ring 29 being a sliding contact.
- an internal cylindrical part of the crown 29 is disposed around the drive drum 22 of the flange 24 and of the sleeve 25.
- a brake spring 30 is arranged in the space annular located between the crown 29, on the one hand, and the drum 22 or the sleeve 25 on the other hand.
- the rod 20 is rotated by means of the crank manipulated by the user.
- the drum 22 is then driven in rotation and the latter rotates the sleeve 25 without being prevented by the spring 30 according to what has been seen previously.
- the sleeve 25, the axes 26 and 26 ', the toothed wheels 27 and 27' cause the flange 18 to rotate in the direction of rotation of the rod 20.
- the shaft 4 being integral with the flange 18 thanks to the brake assembly 10, it is driven in rotation and thereby, the reduction gear 5, the disc 6 and the cylinder 7 are also set in motion.
- roller shutter has been shown with a cylinder 7, but it can operate with one or more discs 6 connected directly to the roller shutter deck, in particular if the latter consists of slats or blades.
- the invention has been presented with a brake-shoe motor, but it applies to any type of brake applicable to its technical field, and in particular to a dog clutch brake, the blocking element of which is constituted by the dog itself.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Braking Arrangements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9514443 | 1995-11-27 | ||
FR9514443A FR2741661B1 (fr) | 1995-11-27 | 1995-11-27 | Dispositif d'entrainement en rotation d'un element d'enroulement de volet roulant |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0775798A1 true EP0775798A1 (de) | 1997-05-28 |
EP0775798B1 EP0775798B1 (de) | 2002-07-10 |
Family
ID=9485214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19960420336 Expired - Lifetime EP0775798B1 (de) | 1995-11-27 | 1996-11-26 | Drehantriebsvorrichtung zum Drehen der Rolle eines Rolladens |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0775798B1 (de) |
CA (1) | CA2191396A1 (de) |
DE (1) | DE69622243T2 (de) |
ES (1) | ES2177752T3 (de) |
FR (1) | FR2741661B1 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001055548A1 (en) * | 2000-01-25 | 2001-08-02 | Securedrive Systems Limited | Drive system |
EP1180576A1 (de) * | 2000-08-17 | 2002-02-20 | Edco Engineering S.A. | Steuervorrichtung zur Betätigung eines Vorhangs |
CN1091746C (zh) * | 1997-06-12 | 2002-10-02 | 维托公开股份有限公司 | 电动升降机所用的驱动装置 |
US7089991B2 (en) | 2001-02-28 | 2006-08-15 | Vkr Holding A/S | Screening device and drive means for the screening device and method of manual operating the screening device and a mounting for the screening device |
EP2034126A1 (de) * | 2007-09-10 | 2009-03-11 | Simu | Notantriebsvorrichtung und Schließ-, Sonnenschutz- oder Projektionsanlage, die eine solche Vorrichtung umfasst |
CN107829669A (zh) * | 2017-12-01 | 2018-03-23 | 福建安麟智能科技股份有限公司 | 一种卷帘门电机手动开门*** |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6648050B1 (en) | 1997-11-04 | 2003-11-18 | Andrew J. Toti | Spring drive system and window cover |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1201719B (de) | 1962-07-30 | 1965-09-23 | Heinrich Desch G M B H | Wahlweise elektromotorisch oder von Hand betaetigbarer Rolladen od. dgl. |
FR2270193A1 (en) | 1974-05-08 | 1975-12-05 | Covemat | Haulage or lifting mechanism with automatic brake - has hand operated secondary shaft releasing brake |
FR2455160A1 (fr) | 1979-04-27 | 1980-11-21 | Baldanello U | Volet roulant, ou analogue, a entrainement electrique et commande automatique |
US4392392A (en) * | 1979-11-08 | 1983-07-12 | Automatic Rollers Doors Australia Pty., Ltd. | Electrically-operated roller door operating mechanism |
DE3504489A1 (de) | 1985-02-09 | 1986-08-14 | Lothar 7984 Wolpertswende Huber | Vorrichtung zur handbetaetigung der elektromotorisch antreibbaren wickelwelle z.b. eines rolladens bei stromlosem elektromotor |
US4651940A (en) | 1984-11-06 | 1987-03-24 | Sm Industrial Co., Ltd. | Screen-taking-up device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2411295A1 (fr) * | 1978-11-10 | 1979-07-06 | Haza Jean | Perfectionnements aux moto-reducteurs, notamment aux dispositifs de store ou de volet roulant a commande electrique |
-
1995
- 1995-11-27 FR FR9514443A patent/FR2741661B1/fr not_active Expired - Fee Related
-
1996
- 1996-11-26 EP EP19960420336 patent/EP0775798B1/de not_active Expired - Lifetime
- 1996-11-26 DE DE1996622243 patent/DE69622243T2/de not_active Expired - Lifetime
- 1996-11-26 ES ES96420336T patent/ES2177752T3/es not_active Expired - Lifetime
- 1996-11-27 CA CA 2191396 patent/CA2191396A1/fr not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1201719B (de) | 1962-07-30 | 1965-09-23 | Heinrich Desch G M B H | Wahlweise elektromotorisch oder von Hand betaetigbarer Rolladen od. dgl. |
FR2270193A1 (en) | 1974-05-08 | 1975-12-05 | Covemat | Haulage or lifting mechanism with automatic brake - has hand operated secondary shaft releasing brake |
FR2455160A1 (fr) | 1979-04-27 | 1980-11-21 | Baldanello U | Volet roulant, ou analogue, a entrainement electrique et commande automatique |
US4392392A (en) * | 1979-11-08 | 1983-07-12 | Automatic Rollers Doors Australia Pty., Ltd. | Electrically-operated roller door operating mechanism |
US4651940A (en) | 1984-11-06 | 1987-03-24 | Sm Industrial Co., Ltd. | Screen-taking-up device |
DE3504489A1 (de) | 1985-02-09 | 1986-08-14 | Lothar 7984 Wolpertswende Huber | Vorrichtung zur handbetaetigung der elektromotorisch antreibbaren wickelwelle z.b. eines rolladens bei stromlosem elektromotor |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1091746C (zh) * | 1997-06-12 | 2002-10-02 | 维托公开股份有限公司 | 电动升降机所用的驱动装置 |
WO2001055548A1 (en) * | 2000-01-25 | 2001-08-02 | Securedrive Systems Limited | Drive system |
EP1180576A1 (de) * | 2000-08-17 | 2002-02-20 | Edco Engineering S.A. | Steuervorrichtung zur Betätigung eines Vorhangs |
US7089991B2 (en) | 2001-02-28 | 2006-08-15 | Vkr Holding A/S | Screening device and drive means for the screening device and method of manual operating the screening device and a mounting for the screening device |
US7451803B2 (en) | 2001-02-28 | 2008-11-18 | Jorgensen Kent Moelsted | Screening device and method of operating the screening device |
EP2034126A1 (de) * | 2007-09-10 | 2009-03-11 | Simu | Notantriebsvorrichtung und Schließ-, Sonnenschutz- oder Projektionsanlage, die eine solche Vorrichtung umfasst |
FR2920812A1 (fr) * | 2007-09-10 | 2009-03-13 | Simu Soc Par Actions Simplifie | Dispositif de commande de secours et installation de fermeture, de protection solaire ou de projection comprenant un tel dispositif |
CN107829669A (zh) * | 2017-12-01 | 2018-03-23 | 福建安麟智能科技股份有限公司 | 一种卷帘门电机手动开门*** |
CN107829669B (zh) * | 2017-12-01 | 2023-12-26 | 福建安麟智能科技股份有限公司 | 一种卷帘门电机手动开门*** |
Also Published As
Publication number | Publication date |
---|---|
FR2741661B1 (fr) | 1999-06-18 |
DE69622243T2 (de) | 2003-03-06 |
DE69622243D1 (de) | 2002-08-14 |
FR2741661A1 (fr) | 1997-05-30 |
EP0775798B1 (de) | 2002-07-10 |
CA2191396A1 (fr) | 1997-05-28 |
ES2177752T3 (es) | 2002-12-16 |
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