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
  • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
  • E06B9/60—Spring drums operated only by closure members

Definitions

• the invention relates to an operating mechanism and to a closing or sun protection installation comprising such a mechanism.
• closing installation means doors, gates, shutters, grilles and equivalent equipment.
• Winding mechanisms comprising compensating springs are known, for example, from FR-A-2 743 107, DE-A-296 05 670 or JP-A-2000-234485.
• a tubular drive motor and, on the other hand, compensating springs, these springs and this motor having to be placed in the winding shaft on the site of use of the installation, while the working conditions of the installer are sometimes precarious, in particular due to limited height accessibility.
• many parts must be provided to install, on the one hand, the compensation spring and, on the other hand, the motor inside the winding shaft, which increases the known installations.
• the invention more particularly intends to remedy by proposing an operating mechanism which comprises at least one compensating spring and which can be set up easily, while its cost price is more attractive than that of known compensated mechanisms.
• the invention relates to a mechanism for operating a closing or sun protection installation comprising a member for rotating a winding shaft for a shutter screen and at least one compensation spring. the weight of this shutter screen.
• This mechanism is characterized in that the spring is mounted around the drive member and belongs with it to a sub-assembly capable of being at least partially introduced in a unitary manner inside the shaft of winding, a first end of the spring being kinematically linked to the drive member, while its second end is adapted to be kinematically linked to this shaft when the sub-assembly is in place in the shaft.
• the drive member which can be an electric motor
• the compensating spring can be manipulated and put in place in a relatively simple operation, which facilitates the work of the installer, decreases the assembly time and reduces the number of accessory parts required.
• this mechanism incorporates one or more of the following characteristics:
• the second end of the spring is secured to a drive member capable of being secured to the shaft, inside the latter.
• the second end of the spring is secured to a ring mounted to rotate freely around a housing of the drive member.
• This ring is advantageously integral in rotation with an output shaft of the drive member.
• it can be made directly integral in rotation with the winding shaft, so that the output shaft of the drive member is not stressed by the compensating spring.
• This makes it possible to prevent the reduction gear conventionally provided at the output of an electric motor from being subjected during a relatively long storage period to a force exerted on the output shaft by the armed spring in a torque compensation configuration maximum exerted by the shutter screen.
• the ring is provided with at least one relief capable of engaging with a corresponding relief provided on the winding shaft for the rotational attachment of this ring and this shaft.
• the first end of the spring is anchored on a housing of the drive member.
• the first end of the spring is integral in rotation with a ring immobilized around a housing of the drive member.
• the spring has a length such that it does not substantially exceed, in an axial direction, relative to a housing of the drive member.
• the drive member may include an electric motor, possibly associated with a reduction gear.
• the invention also relates to a closing or sun protection installation which comprises an operating mechanism as precisely described. Such an installation is easier to install and more economical than those of the prior art.
• FIG. 1 is a partial axial section in principle of part of a closing installation during assembly
• Figure 2 is a partial axial section of the installation of Figure 1 in configuration of use
• FIG. 3 is a section similar to Figure 1, for an installation according to a second embodiment of the invention
• FIG. 4 is a section similar to Figure 2 for the installation of Figure 3
• FIG. 5 is a section similar to FIG. 1, for an installation in accordance with a third embodiment of the invention.
• Figure 6 is a section similar to Figure 2 for the installation of Figure 5.
• the installation partially shown in Figures 1 and 2 includes a mechanism 1 for winding more or less an apron T around a geometric axis XX ', this allows to more or less close an opening O formed in the masonry of a building.
• the mechanism 1 comprises a shaft 2, the central geometric axis of which coincides with the axis XX ′ and which is supported relative to the structure of the building by means of a console 3 forming a landing.
• a drive member 4 is provided for rotating the shaft around the axis XX ′, as represented by the arrow R in FIG. 2.
• This member comprises an electric motor 41 and a reduction gear 42.
• We note 43 the output shaft of the member 4 and 44 its housing inside which the elements 41 and 42 are housed.
• a compensation spring 5 is provided to compensate for the torque exerted by the weight of the deck T around the axis XX ′.
• This spring is a torsion spring arranged helically around the housing 44 of the member 4.
• the housing 44 is provided with a lug 45 around which is anchored a first end 51 of the spring 5 which is shaped in a loop.
• the second end 52 of the spring 5 is introduced into a housing 62 formed in a drive disc 6 intended to be secured in rotation with the shaft 2 by any suitable means, for example by riveting.
• the disc 6 is provided with a central opening 61 of section adapted to the section of the shaft 43, so that the disc 6 is integral in rotation with the shaft 43.
• a spacer ring 7 is provided for centering the housing 44 in shaft 2, with the possibility of rotation.
• the elements 3 to 7 constitute a sub-assembly 10 which can be partially introduced, in one operation, to inside the shaft 2, as represented by the arrow Fi.
• the member 4 and the spring 5 belong to the assembly 10 and are placed in the shaft 2.
• L 5 the length of the spring 5 taken along the direction of the axis XX '.
• L the length of the member 4 taken in the same direction.
• the length L 5 is less than the length L 4 and the spring 5 does not protrude substantially beyond the housing 44, which gives the subassembly 7 a compact and monolithic character simplifying its handling and allowing time savings in installation.
• a rotation R of the shaft 2 induces a corresponding rotation of the disc 6 and a modification of the tension of the spring 5, since its end 52 rotates around the axis X -X ', while its end 51 remains. fixed relative to the housing 44 which is itself fixed relative to the axis XX '.
• the mechanism 101 of this embodiment is also centered on an axis XX 'and comprises a shaft 102 for winding an apron T, this shaft being supported by a console 103 and receiving a drive member 104 comprising an electric motor
• a spring 105 is mounted around the housing 144 of the member 104, this spring being secured by its first end 151 to a lug 145 provided on the housing 144.
• a spacer ring 107 is arranged around the housing 144, near the console 103, with the possibility of rotation, and allows relative centering of the elements 102 and 104.
• a ring 108 is mounted to rotate freely around the end 144a of the housing 144 opposite the console 103, this ring 108 being provided with a central opening 181 whose section is such that it can be driven in rotation by the output shaft 143 of the member 104.
• the second end 152 of the spring 105 is fixed by any suitable means to the ring 108, for example by cooperation of shapes, clipping, gluing or welding.
• a drive disc 106 is fixed inside the tube 102 during its manufacture and is provided with an opening 161 for receiving the shaft 143, the section of the opening 161 allowing the disc 106 to be driven in rotation. from family tree 143.
• the elements 103 to 107 and 108 constitute a sub-assembly 110 which can be partially introduced in one operation inside the tube 102, as represented by the arrow Fi in FIG. 3.
• the length L105 of the spring 105 parallel to the axis XX ' is less than the length L ⁇ 0 of the member 104 parallel to this axis.
• the mechanism 201 of this embodiment comprises a drive shaft 202 an apron T making it possible to close more or less an opening 0.
• This shaft 202 is supported by a console 203 immobilized relative to the masonry of the building.
• a drive member 204 comprises an electric motor 241 and a reduction gear 242 arranged inside a housing 244 of cylindrical shape with circular section like the housings 44 and 144.
• This shaft 243 denotes the output shaft of the member 204. This shaft 243 is designed to be introduced into an opening 261 of a drive disc 206 fixedly mounted inside the shaft 202.
• a spring 205 is mounted around the housing 244 and immobilized in rotation thereon by tightening its first end 251 on a frustoconical ring 209, itself immobilized on the end 244a of the housing 244 opposite the console 203.
• Another ring 208 is mounted around the housing 244, at its end 244b closest to the console 203, the ring 208 being able to rotate around the end 244b.
• the ring 208 is moreover provided with a frustoconical surface 282 for receiving and wedging the second end 252 of the spring 205.
• the ring 208 is also provided with several radial projections 283 intended to each be engaged in a notch 223 formed at the end 221 of the tube 202.
• the elements 203 to 205, 208 and 209 constitute a sub-assembly 210 which can be introduced in one operation, represented by the arrow Fi in FIG. 5, inside the tube 202, this sub-assembly making it possible to carry out the functions of driving the tube 202 and of compensation, like the sub-assemblies 10 and 110 of the first and second embodiments.
• the shaft 243 engages inside the opening 261, while the projections 283 engage in the notches 223.
• the ring 206 is mounted on the shaft 243 before the sub-assembly 210 is introduced into the tube 202, which avoids a later adjustment of the relative orientation of the rings 206 and 208.
• the same way of proceeding can be used with the mechanisms of the first and second embodiments.
• This embodiment has the particular advantage that, in the configuration of FIG. 5 of the sub-assembly 210, which corresponds to its storage configuration before installation in an installation provided on a building, the torque exerted by the spring 205 between the rings 208 and 209 is not transmitted to the shaft 243.
• a means for immobilizing the ring 208 in rotation relative to the housing 244 this means possibly being a key 211 as shown in lines mixed in Figure 5. Any other means of immobilization can however be envisaged, for example fixing by screwing.
• the position of the ring 208 can be adjusted, before it is immobilized relative to the housing 244, so that the compensation force exerted by the spring 205 corresponds substantially to the compensation force to be exerted to compensate for the maximum weight of the deck T, that is to say its weight in the closed configuration of the opening O.
• the reducer 242 can therefore be smaller and lighter than the reducers of known installations, this making it possible to achieve a substantial saving on the cost price of the mechanism 201.
• the length L 20 s of the spring 205 is substantially shorter than the total length of the member 204.
• a mechanism in accordance with its principle can also be equipped with a safety device as described in French patent application No. 02 03942, the content of which is incorporated here by reference.

Landscapes

• Engineering & Computer Science (AREA)
• Structural Engineering (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
• Power-Operated Mechanisms For Wings (AREA)
• Details Of Aerials (AREA)
• Centrifugal Separators (AREA)

Applications Claiming Priority (3)

Publications (2)

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Family Applications (1)

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• 2002
  • 2002-03-28 FR FR0203940A patent/FR2837865B1/fr not_active Expired - Fee Related
• 2003
  • 2003-03-27 WO PCT/FR2003/000974 patent/WO2003083245A2/fr not_active Ceased
  • 2003-03-27 ES ES03740535T patent/ES2377199T3/es not_active Expired - Lifetime
  • 2003-03-27 CN CNB03807351XA patent/CN100451292C/zh not_active Expired - Lifetime
  • 2003-03-27 RU RU2004131670/03A patent/RU2314403C2/ru not_active IP Right Cessation
  • 2003-03-27 EP EP03740535A patent/EP1490576B1/de not_active Expired - Lifetime
  • 2003-03-27 AT AT03740535T patent/ATE535675T1/de active
  • 2003-03-27 JP JP2003580665A patent/JP4549064B2/ja not_active Expired - Fee Related
  • 2003-03-27 AU AU2003258837A patent/AU2003258837B2/en not_active Ceased
  • 2003-03-27 US US10/508,523 patent/US7237592B2/en not_active Expired - Lifetime

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