FR2839107A1 - Mounting for tubular motor on roller shutter tubular shaft comprises sleeve shaped to receive motor and equipped with couplings for motor shaft - Google Patents

Abstract

The mounting consists of a sleeve (10) with its inner cavity having a cross-section and length designed to receive the tubular motor (2). The inner surface of the sleeve has couplings (12) to connect it to the motor drive shaft, and one end if fitted with a connector (14) shaped to engage with the end of the tubular shaft. The sleeve is preferably made from two clip-together halves, and its outer end has a head (8) for connecting it directly or via a base (9) to the side of a door or window opening or to the end panel of a shutter housing.

Description

1 28391 07

  The invention relates to a device for mounting an engine.

  tubular on a rolling flight tube or the like.

  The present invention will find its application in the field of closing devices, of the blind or roller shutter type, comprising a winding tube which is driven by a tubular motor. It is more and more common to motorize building closing devices, of the blind or rolling type. For this we use tubular motors which are able to take a position in a housing that delimits, internally, a winding tube on which is precisely capable of coming to wind the

  canvas of a blind or the apron of such a rolling shutter.

  In this regard, it should be observed that a winding tube is usually constituted by a sheet folded back on itself which has just stapled the two longitudinal edges. In addition, it is frequently of polygonal section, generally hexagonal. In fact, these wind tubes manufactured continuously by profiling starting from a coil of a strip of suitable width. At the end of the roll forming machine, the tube obtained is cut to length by means of suitable cutting means. Thus, it is conceived that for the manufacture of these winding tubes it is necessary to put

  particularly expensive tools.

  It is for this reason that they have been subject to standardization and that most manufacturers of closure systems use winding tubes of the same section. However, this determines that of the tubular motor able to take a position inside this winding tube to ensure its drive in rotation and, therefore, control the opening or closing of the blind, the roller shutters or other . I1 intern, of course,

  of a limiting constraint in the design of this engine itself

  even. However, it turns out, especially when one seeks to optimize this motor with respect to the load to be driven or, again, if one wishes it to be adapted to a very wide range of closing systems, this constraint limiting that defines the section of the circle inscribed on the winding tube of polygonal section may not be acceptable insofar as a motor of more section

  important may be more in line with the above conditions.

  In this regard, it has also been seen that, depending on the width of the blades making up a rolling apron, its winding around this tube of hexagonal section is not always carried out rationally. Precisely, to manage this winding, it is often called on rings allowing the first blades of the deck to be positioned properly around this winding tube and the following turns described during winding to be superimposed regularly. These rings on the winding tube allow, finally, to obtain a section of

optimized wrapped apron.

  It is within the framework of a first inventive step that it is thought to take advantage of the use of such rings which, ultimately, lead to a larger overall section of the winding tube, to ensure the training of the latter by

  through a larger tubular motor.

  Thus, the invention relates to a device for mounting a tubular motor on a winding tube of a rolling screen or the like, characterized in that it is defined by a sleeve internally delimiting a housing of section and length adjusted for reception on said motor, this sleeve, on the one hand, comprising, internally for its rotational entrainment, means of connection to a drive shaft to said motor and, on the other hand, extending at one end by a provided connection endpiece capable of being engaged, in rotation with one another, in a

end of said winding tube.

  Advantageously, the sleeve defines, in itself, a winding management ring for a flight deck rolling on said tube.

winding.

  Preferably, the sleeve is made up of two half

  symmetrical shells with respect to an axial median plane.

  Advantageously, the two half-shells forming the sleeve comprise interlocking means defining or not means of

connection by clipping.

  The advantages which flow from the present invention consist in that the tubular motor which it is possible to call upon can be of larger section compared to the solution adopted in the past, since this tubular motor comes, here, to take a position in a sleeve extending in the extension of the winding tube. In addition, this sleeve advantageously defines a ring which, in collaboration at least with another ring located on the winding tube, partly at the end opposite the motor, is capable of guaranteeing optimized winding, in particular of a

rolling apron.

  Other objects and advantages of the present invention

  will appear during the description which follows relating to

  to an embodiment given by way of indicative and nonlimiting example.

  Understanding this description will be facilitated by

  refer to the attached drawing in which: - Figure 1 is a schematic representation of a rolling screen | anquel has been adapted a device for mounting a tubular motor according to the invention; | 20 - Figure 2 is a schematic perspective representation of the end of the winding tube provided with the device for mounting a tubular motor according to the invention; - Figure 3 is a representation similar to Figure 2, one of the half-shells defining the sleeve correspond to

  mounting device having been removed.

  | - Figure 4 is a sectional view of the winding tube at its end in which is engaged the connection piece to said sleeve; - Figure 5 is a sectional view of the sleeve at the height of the connection means with the shaft of the tubular motor; - Figure 6 is a w e in section of this sleeve at the height of an adapter ring correspond, again, to connecting means

to the motor drive shaft.

  Thus, as shown in the figures of the attached drawing, the present invention relates to the field of closure systems.

  and in particular roller shutters.

  In fact, the invention relates, very particularly, to a device 1 for mounting a tubular motor 2 on a winding tube 3 on which is able to be inserted the deck

4 of such a rolling flight.

  Note that the tubular motor 2 is closed, usually at one end 5, by a drive shaft 6 through which it acts on this winding tube 3, while at its opposite end 7 it has a size 8 prewe able to be fixed, either directly or by means of a removable base 9, as the case may be, on the doorway correspond to a door, window or the like with which the roller shutters are fitted or on a cheek support a prew box able to accommodate the apron 4 rolls up and, of course, all of

its drive mechanism.

  To return to the mounting device 1, it is defined by 1S a sleeve 10 in which can be slid, from one end 11, said tubular motor 2, while being free to rotate around the latter, knowing that it comprises, internally, connecting means 12 to the drive shaft 6 correspond to said motor

tubular 2.

  This sleeve 10 is terminated at its end 13, opposite that open 11 from which emerges the head 8 the motor 2, by a connection end piece 14. This has the function of connecting the sleeve 10 to .... this tube d 'winding 3 in such a way that they form, together, a shaft of sufficient rigidity to support the deck 4 of the traveling rolls. This connection also aims to make solidarity in

  rotation of said winding tube 3 of the sleeve 10.

  Thus, according to a preferential embodiment, this connection end piece 14 is defined with a polygonal section adjusted to the section

  inner polygonal of the winding tube 3.

  To return to the connecting means 12 allowing, through the centering shaft 6 of the tubular motor 2, to internalize the sleeve 10, they are presented, internally to the latter, more precisely on the side of its end 13 provided of the connection end piece 14, in the form of a recess 15 adjusted for the reception of this centering shaft 6. They also comprise means of locking in rotation 16 of the latter in this recess 15. Such s means of locking 16 can be defined, for example, by at least one key. However, according to another embodiment corresponding to the representations in the figures of the drawing, the drive shaft 6 of the tubular motor 2 can be splined axially so as to define teeth which are ready to engage in axial grooves 17 households at the

wall of this recess 15.

  As we still see in Figures 3 and 6, the sleeve 10 can be adapted to receive tubular motors 2 of different lengths. Also, said connecting means 12 can be completed by one or more adapter rings 18 capable of taking position between the end 5 of the tubular motor 2 and the corresponding end 13, comprising the end piece

connection 14, of the sleeve 10.

  Such an adapter ring 18 again has an axial recess 15A adjusted for the reception of the winding shaft 6 and ready to cooperate with the latter by means of rotation blocking means 16A similar to those 16 described above. Wiles is also for means

  immobilizing in rotation 20 in said sleeve 10.

  In particular, at the periphery 19 of this adapter ring 18 can be formed axial grooves 21 prews apses to be inserted, in the manner of a toothing, in

  axial recesses 22 in the wall of the sleeve 10.

  Preferably, this is made up of two half shells lOA, lOB capable of being assembled at the height of an axial plane of symmetry 23, defined as being the joint plane.

in the following description.

  Advantageously, at the height of this joint plane 23, these two half-shells lOA, lOB comprise embedding means 24 of male, female type. These are able to define, possibly, means of connection by clipping, as can be seen in FIGS. 5 and 6 which correspond to sections of the sleeve 10 at height, respectively, of the connection means 12 and of the end piece.

connection 14.

  These two half-shells lOA, lOB can still be secured by means of one or more rings of

crimping 25.

  Thus, such a ring 25 is very particularly mounted on the end 11 of the sleeve 10 from which the head of the motor emerges. Note, in this regard, that this sleeve 10 comprises, at the height of such a crimping ring 25, a peripheral recess 26 of depth preferably adjusted to the thickness of the back so as to prevent it from creating a extra thickness

said sleeve 10.

  As already indicated above in the description, this one

  defines, ultimately, a ring which, in combination with another ring mounted on the winding tube 3, preferably in its end part opposite that of the tubular motor 2, 1S helps to manage the proper winding of the roller shutter 4. Although the invention has been described in connection with a particular embodiment, it is understood that it is in no way limited thereto and that various modifications of shapes, materials and combinations of these can be made to it. various elements without

  for that to move away from the framework and the spirit of the invention.

Claims (11)

REVENDI CAT IONS   1. Device for mounting a tubular motor (2) on a winding tube (3) of a rolling wheel or the like, characterized in that it is defined by a sleeve (10) delimiting, internally, a housing of cross section and length adjusted for reception to said motor (2), this sleeve (10), on the one hand, comprising, internally for its rotational drive, connecting means (12) to a drive shaft ( 6) to said motor (2) and, on the other hand, extending at one end (13) by a connection end piece (14) pre w able to be engaged, in a rotationally integral manner, in one end to said tube winding (3). 2. Mounting device according to claim 1, characterized in that the sleeve (10) has one end (11), opposite to that (13) provided with the connection end piece (14), through which emerges a head (8) correspond to the tubular motor (2) and provided capable of being fixed, either directly or by means of a removable base (9), as the case may be, on the doorway of a door, window or similar, or on a cheek support of a box.   3. Mounting device according to any one of   previous claims, characterized in that the means   connection (12) defined wind, inside the sleeve (10), more precisely on the side of its end (13) provided with the connection end piece (14) by a recess (15) adjusted for the reception of the drive shaft (6) terminating, at its end (5) introduced into said sleeve (10), the tubular motor (2), said means (12) further comprising means for locking in rotation (16) of this   drive shaft (6) in said recess (15).   4. Mounting device according to any one of   previous claims, characterized in that the sleeve   (10) is pre w able to receive tubular motors (2) of different lengths.   5. mounting device according to claims 3 and 4,   characterized by the fact that the connecting means (12) are provided to be completed by one or more adapter rings (18) capable of taking position between the end (5) of the tubular motor (2) and the end corresponding (13), comprising the connection end piece (14), of the sleeve (10), this adapter ring (18) comprising an axial recess (15A) adjusted for the reception of the centering shaft (6) and designed to cooperate with the latter by means of rotation blocking means (16A), this adapter ring (18) further comprising means   immobilizing in rotation (20) in said sleeve (10).   6. Mounting device according to any one of   previous claims, characterized in that the sleeve   (10) consists of two half-shells (1OA, lOB) pre w es apses a   be assembled at the height of an axial plane of symmetry (23).   7. A mounting device according to claim 6, 1S characterized in that at the height of the axial plane of symmetry (23), the two half shells (1OA, lOB) comprises means   embolism (24) male-female type.   8. A mounting device according to claim 7, characterized in that the embolism means (24)   define means of connection by clipping.   9. A mounting device according to claim 7 or 8, characterized in that the two half-shells (1OA, lOB) are intended to be fastened by means of one or   several crimping rings (25).   10. A mounting device according to claim 9, characterized in that the sleeve (10) comprises, at the height of a crimping ring (25), a peripheral recess (26) of   depth adjusted to the thickness of the back.   11. Mounting device according to any one of   previous claims, characterized in that the sleeve   (10) defines a ring which, in combination with another ring mounted on the winding tube (3), constitutes means for managing the winding of an apron (4) of rolls rolling on this tube winding (3).