EP2248987B1 - Actionneur tubulaire d'entraînement d'un volet roulant - Google Patents

Actionneur tubulaire d'entraînement d'un volet roulant Download PDF

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Publication number
EP2248987B1
EP2248987B1 EP10161734.8A EP10161734A EP2248987B1 EP 2248987 B1 EP2248987 B1 EP 2248987B1 EP 10161734 A EP10161734 A EP 10161734A EP 2248987 B1 EP2248987 B1 EP 2248987B1
Authority
EP
European Patent Office
Prior art keywords
tube
actuator
screw
hole
locking means
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.)
Active
Application number
EP10161734.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2248987A3 (fr
EP2248987A2 (fr
Inventor
Béatrice Ducornetz
Denis Magli
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.)
Somfy SA
Original Assignee
Somfy SA
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 Somfy SA filed Critical Somfy SA
Priority to PL10161734T priority Critical patent/PL2248987T3/pl
Publication of EP2248987A2 publication Critical patent/EP2248987A2/fr
Publication of EP2248987A3 publication Critical patent/EP2248987A3/fr
Application granted granted Critical
Publication of EP2248987B1 publication Critical patent/EP2248987B1/fr
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
    • E06B9/56—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
    • 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
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
    • E06B9/171—Rollers therefor; Fastening roller shutters to rollers
    • 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
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
    • E06B9/174—Bearings specially adapted therefor
    • 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
    • E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
    • 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
    • E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
    • E06B9/50—Bearings specially adapted therefor

Definitions

  • the invention relates to a tubular actuator for driving a windable element in a building, such as a blind, a sun protection screen or image projection, a shutter.
  • the tubular actuator is inserted into the winding tube on which the windable element is wound.
  • It comprises an end piece connected to a part of the frame, which supports part of the weight of the actuator, the winding tube and the windable element, typically half the weight, and which fully supports the torque of the actuator.
  • This end piece is often called “fixed point” or “head” of the actuator.
  • the head of the actuator must therefore be dimensioned so as to satisfy these mechanical stresses, but also by minimizing its bulk in the axial direction: in fact, the windable element can not be wound on the head, and the width of the head therefore reduces the width of the latter if it has not been provided a specific housing in the frame.
  • the head is connected to the frame by a fastening accessory adapted to be securely attached to the frame, for example by means of bolts on a metal frame or by means of bolts.
  • the connection of the head to the attachment accessory is preferably removable, that is to say easily locked or unlocked, so as to facilitate the installation or maintenance of the windable element or actuator.
  • the various manufacturers have designed specific fastening accessories, comprising for example elastic clipping means and forms adapted to the simultaneous recovery of weight and torque.
  • Such an attachment accessory is described in the document WO 2008/3765 (reference 2 in figure 1 ). It is adapted to receive an actuator comprising a fixed point (reference 4) in a single part.
  • An actuator manufacturer must therefore preferably offer a wide range of actuators, which differ only in the shape of the head. This results in a large number of references that complicate logistics and weigh on costs. If the actuator manufacturer seeks to rationalize its offer and has only one type of head, it deflects the problem in manufacturers of rollable elements and forces them to adopt a fixing solution not necessarily optimized for their products.
  • the head of the actuator must most often satisfy sealing constraints related to possible use of the actuator outside the building or in damp rooms.
  • the actuator is tested in production and guaranteed by its manufacturer. It is clear that this guarantee covers the entire fixed point, and an interchangeability solution thereof becomes particularly risky if it escapes the industrial setting, for example by being feasible on a building site.
  • the interchangeability of the fixed point requires at least one workshop intervention, within a framework agreed between the industrial manufacturer of the actuator and the one integrating the actuator in its own product comprising the winding tube and / or the windable element. .
  • the patent application WO 2009/016601 describes a head or fixed point of a tubular actuator, this head or fixed point being made in two parts. A first portion is almost entirely inserted into the actuator tube and includes translational stop means in the tube which become locked by the introduction of a second part. Interchangeability can be achieved by the proposed solution. However, it seems particularly fragile with respect to the stress constraints mentioned, except to strengthen the role of fasteners not described in this document.
  • the solution proposed in this patent application is particularly interesting in that the locking of the stop means in translation is simple and does not require tools, and the same for the unlocking, which goes against the objectives of mentioned above.
  • the patent application WO 2006/045724 or the utility model DE 20 2007 005 138 describe in a similar way to the patent FR 2 840 012 a fixed point comprising mechanical or electronic means for controlling the shutdown of the actuator (torque detection, rotation count, etc.) and mechanical and electrical connection means with the tubular part of the actuator.
  • the fixed point comprises a first retractable part, referenced 9 and comprising the control means, and a second portion referenced 2 connected to the actuator tube.
  • the invention therefore proposes in particular a simple and economical interchangeability solution of actuator heads which satisfies the mechanical and safety constraints mentioned above.
  • the object of the invention is to provide an actuator overcoming the above disadvantages and improving the known actuators of the prior art.
  • the invention makes it possible to produce a simple and economical actuator and allowing head interchangeability. satisfying the mechanical and safety constraints.
  • the invention also relates to an installation comprising such an actuator.
  • the first locking means can be fixed on the first part.
  • the first locking means may comprise a screw, a tapping in the first part, a screw hole in the second part and a screw hole in the tube.
  • the first locking means can be fixed on the second part.
  • the first locking means can have a screw, a tapping in the second part, a screw hole in the first part and a screw hole in the tube.
  • the second part can be locked in translation along the longitudinal axis relative to the actuator tube by a second locking means fixed on the second part.
  • the second locking means may not lock the translation along the longitudinal axis of the first part relative to the actuator tube.
  • the second locking means may comprise a screw, a tapping in the second part, a screw hole in the tube and possibly an axial opening opening screw in the first part.
  • the at least one recess can be a peripheral recess.
  • the home automation installation comprising a tubular actuator defined above.
  • the figure 1 represents a plant 100 comprising a tubular actuator 1.
  • the tubular actuator comprises a fixed point 2, a tubular body 3 and an output shaft 4 rotatable along the axis XX 'of the tubular body of the actuator.
  • the output shaft is connected to a winding tube 5, in which the actuator is engaged, by a drive wheel 6.
  • a bearing 7 allows the rotational guidance of the winding tube on the tubular body of the actuator.
  • a fixing accessory 8 connects the fixed point to a frame 9.
  • a rollable element, not shown, is fixed at one end to the winding tube.
  • the attachment accessory is attached to a frame, for example a structure of a building. It is preferably attached directly to this frame. Furthermore, the attachment accessory is intended to receive the fixed point of the actuator. It presents for example conformations for this purpose. The attachment accessory thus makes it possible to indirectly fix the fixed point to the frame.
  • a dotted line represents a portion of fixed point 2 engaged in the tubular body 3.
  • the figure 2 represents a partial exploded view of a tubular actuator according to the invention.
  • the fixed point 2 comprises a first part, referenced 20 or 20 'according to the embodiments, and a second part, referenced 40 or 40' according to the embodiments.
  • the first part is essentially external to the tube and comprises a direct contact with it less important than that of the second part.
  • a fine dashed line 24a delimits a masked portion of the first part. This masked portion differs according to the embodiment.
  • the outer portion of the tube can therefore have a wide variety of shapes, depending on the constraints of manufacturers of rollable elements.
  • the tube 3 is preferably made of steel. It comprises in particular a light 33 allowing a blocking in rotation of the second part, a first screw hole 34 adapted to allow passage to the body of a first screw 37 and a second screw hole 35 adapted to allow passage to the body of a second screw 38.
  • first and second screws serve as locking means between the tube and the second part.
  • X-X ' denotes the main axis of the tube, which subsequently defines an axial direction.
  • the figure 3 represents a first embodiment of a first part 20 of the fixed point.
  • the first part comprises an at least substantially circular base 21 in a plane perpendicular to the axis of the tube and reliefs 22 adapted to be housed in the fixing accessory 8.
  • a groove 23 formed in the reliefs allows the locking by a clip of the attachment accessory.
  • other locking means are provided to maintain the first part in a fixing accessory.
  • the circular base supports a first axial extension 24, in the form of a finger, and a second axial extension 25, here identical to the first axial extension.
  • the circular base also supports a third axial extension 26.
  • An axial extension is able to take up part of the torque of the actuator, for example the torque of the actuator divided by the number of axial extensions, therefore one third of the torque of the actuator. It is likewise able to support part of the weight of the complete product (actuator plus winding tube, plus rolling element), for example half of this weight divided by the number of axial extensions.
  • the first axial extension comprises a first screw hole 27 and the second axial extension comprises a second screw hole 28.
  • the circular base comprises a through recess 29 for freely allowing the axial passage of an electrical connector through the first part.
  • the figure 4 represents a first embodiment of a second fixed point portion 40.
  • the second part comprises a cylindrical body 41 adapted to engage the tube 3, either in direct contact with it, or by providing a space just sufficient to interpose an insulating tube (not shown) required by the electrical insulation of control means included in the actuator tube.
  • the cylindrical body comprises at least one inner ring 41 has a diameter equal to the inner diameter of the tube 3 to require tight fitting.
  • An outer ring 42 protrudes from the inner ring. Its diameter is for example equal to the outside diameter of the tube 3. The outer side of the outer ring is pressed against the circular base of the first piece.
  • a blocking means 43 is made by an axial extension of the outer ring towards the tube 3 and of shape complementary to that of the light 33.
  • the second part comprises a first peripheral recess 44 and a second peripheral recess 45. It also comprises a non-peripheral recess 46. These recesses are of complementary shape to the axial extensions of the first part, so as to allow interlocking without play (or with reduced clearance) axial extensions 24-26 in the recesses 44-46.
  • Two tapped holes 47-48 are intended to receive the screws 37-38.
  • a second through hole 49 is intended to allow the axial passage of an electrical connector through the second portion, vis-à-vis the first through recess.
  • a seal may be disposed in the second through recess.
  • the figure 5 represents a second embodiment of a first fixed point part 20 '.
  • the second mode is distinguished from the first mode only by the length of the first or second axial extension, here the first axial extension 24 ', shorter than the first axial extension 24 of the first embodiment, so as not to be crossed. by the first screw 37.
  • the second axial extension 25 'of the second embodiment is identical to the second axial extension of the first embodiment and therefore comprises a second screw hole 28' through which the second screw 38 passes.
  • the figure 6 represents a second embodiment of a second part 40 'of fixed point.
  • the second portion includes a first peripheral recess 44 'and a second peripheral recess 45' and differs from the second portion of the first embodiment only in the axial length of the first peripheral recess 24 ', shorter than the first peripheral recess 44 of the first embodiment, so that the first screw hole 34 is not vis-à-vis the first peripheral recess 44 '.
  • Two tapped holes 47 'and 48' are intended to receive the screws 37-38.
  • the first screw 37 allows to lock in translation only the second part with the tube, while the second screw 38 can simultaneously lock the first and second part with the tube. This may be an advantage over the first embodiment in which the two screws have the same role of simultaneous locking of the two parts with the tube.
  • first screw 37 may be provided with a first special head requiring tools at the disposal of the actuator manufacturer, while the second screw may be provided with a second special head, requiring tools shared by the actuator manufacturer and the manufacturer (or manufacturers) of rollable elements.
  • a length equal to that of the first axial extension 24 of the first embodiment is retained for the first axial extension 24 ", but the first screw hole 27 is converted into an axial opening 27" opening at the end of the first axial extension to the tube.
  • the first part is not locked in translation by the first screw, and the first axial extension nevertheless retains a maximum of material to meet the requirements of torque recovery and weight.
  • the first portion may comprise a first axial extension comprising a first threaded hole for receiving a first screw and a second axial extension comprising a second smooth hole for receiving a second screw, the second portion comprising a first smooth hole for receiving a second screw. end of the first screw and comprising a second threaded hole for receiving the end of the second screw.
  • the screws screwed into the first part may not be open and thus not penetrate the holes of the second part. The holes of the second part are then not necessary.
  • tapping as a conformation realized by a tap in a hole, but also as a conformation realized by a self-tapping screw in a hole, the tapping then not being realized before a first screwing the screw into the hole.
  • the tube 3 is mounted tightly on the second part of the fixed point.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Transmission Devices (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Actuator (AREA)
EP10161734.8A 2009-05-05 2010-05-03 Actionneur tubulaire d'entraînement d'un volet roulant Active EP2248987B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10161734T PL2248987T3 (pl) 2009-05-05 2010-05-03 Rurowy człon wykonawczy zasłony zwijanej

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0902150A FR2945314B1 (fr) 2009-05-05 2009-05-05 Actionneur tubulaire d'entrainement d'un volet roulant

Publications (3)

Publication Number Publication Date
EP2248987A2 EP2248987A2 (fr) 2010-11-10
EP2248987A3 EP2248987A3 (fr) 2011-01-26
EP2248987B1 true EP2248987B1 (fr) 2015-09-02

Family

ID=41665115

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10161734.8A Active EP2248987B1 (fr) 2009-05-05 2010-05-03 Actionneur tubulaire d'entraînement d'un volet roulant

Country Status (9)

Country Link
US (1) US9175514B2 (pl)
EP (1) EP2248987B1 (pl)
KR (1) KR101870437B1 (pl)
CN (2) CN101881130A (pl)
AU (1) AU2010201783B2 (pl)
CA (1) CA2701665C (pl)
FR (1) FR2945314B1 (pl)
PL (1) PL2248987T3 (pl)
RU (1) RU2514262C2 (pl)

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Also Published As

Publication number Publication date
AU2010201783A1 (en) 2010-11-25
KR20100120271A (ko) 2010-11-15
FR2945314B1 (fr) 2011-07-01
US20100282890A1 (en) 2010-11-11
US9175514B2 (en) 2015-11-03
RU2010117799A (ru) 2011-11-10
CA2701665C (fr) 2017-08-22
CN101881130A (zh) 2010-11-10
FR2945314A1 (fr) 2010-11-12
AU2010201783B2 (en) 2016-08-25
EP2248987A3 (fr) 2011-01-26
CA2701665A1 (fr) 2010-11-05
CN106593279A (zh) 2017-04-26
RU2514262C2 (ru) 2014-04-27
PL2248987T3 (pl) 2016-01-29
EP2248987A2 (fr) 2010-11-10
KR101870437B1 (ko) 2018-06-22

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