ES2268596T3 - DRIVING DEVICE FOR ROLLING BLIND. - Google Patents

Abstract

Drive device (1) for roller shutter that includes a winding tube (2) maintained on both sides by side support plates (3) and at one end (4) of which a tubular drive motor (5) is introduced ), this device (1) also comprising a hand-operated winch (14) for actuating said winding tube (2) through said tubular motor (5), characterized in that the device (1) includes means for adjusting (15) in axial position of the winch (14) with respect to the lateral support plate (3), on the side of the end (4) of the winding tube (2) that receives said motor (5).

Description

Blind drive device roller.

The present invention relates to a drive device for roller blind comprising a winding tube maintained, on both sides, by plates of lateral support and in one of the ends of which it comes inserted a tubular drive motor, behaving this device, in addition, a hand-operated winch for the rotating drive of said winding tube through said tubular motor.

This invention concerns the scope of the manufacture of roller blinds, particularly those whose operation is of electric type and that are provided with auxiliary drive means of manual type, in particular designed capable of ensuring an emergency maneuver.

Drive devices are already known that respond to the description above, in particular of the document DE 298 18 023 U. For this purpose, it will be noted that, in this document a drive device that involves a manual windlass integrated in the motor head and positioned, in particular, on the side support plate of the tube curl

Such a drive device is part of a roller blind designed to equip a door, a window or similar defined by a frame on which a sheet usually defined by a mobile frame provided with crystals. This device comes complete with manual drive means defined by a crank, engaged with the winch by means of a maneuvering square, and falling to the vertical of the support plate side. The latter is usually fixed in the prolongation of a side guide groove mounted on wall against the outer face of the uprights of the door frame or similar. Therefore, the crank is located on the inner side of the door or similar, in front of or in immediate proximity of the leaf stud, which noticeably hinders the opening of the latter.

Another drawback is that the windlass is integrated into the side support plate of the winding shaft, which requires the realization of a side support plate and / or of a windlass of specific design, particularly adapted to such application.

The present invention aims to be able to to alleviate the inconveniences of the devices of the state of the technique.

To this end, the present invention relates to a drive device for roller blind comprising a winding tube maintained, on both sides, by plates of lateral support and in one of the ends of which it comes a tubular drive motor inserted, this device, in addition, a hand-operated winch for the rotating drive of said winding tube through said tubular motor, characterized in that the device involves adjustment means in axial position of the winch with respect to the plate lateral support, that of the end side of the winding tube that receives said engine.

An advantage of the present invention consists in that the windlass and, therefore, the crank associated with the latter they are out of phase with respect to the uprights of the leaf frame, which It allows manipulation of the latter without hindrance.

According to another advantage of the invention, the fact be able to offset the winch with respect to the side support plate allows you to use a traditional design windlass, even from any type and, in particular, existing, without having to use a windlass of specific design.

The invention will be better understood when reading the description that follows, which refers to embodiments given by way of indication and not limitation.

Understanding this description will be more easy with reference to the attached drawing, in which:

- Figure 1 is an elevation view of the drive device according to the invention;

- Figure 2 is a sectional view longitudinal according to I-I of the device represented in figure 1.

The present invention concerns the scope of the manufacture of roller blinds, particularly those whose operation is of electric type and that are provided with auxiliary drive means of manual type, in particular designed capable of ensuring an emergency maneuver.

This invention relates in particular to a drive device 1 designed capable of equipping a roller blind that includes a winding tube 2 on the which is rolled up and from which the board is unwound (no represented) of this roller blind.

This winding tube 2 is maintained, at both sides, using a side support plate 3 and has two ends 4 of which one receives a tubular electric motor 5 of rotating type, at least partially inserted inside this end 4, and intended to ensure the operation of said winding tube 2.

For this purpose, it will be noted that such an engine 5 it has a head 6 at the level of which said motor 5 comes in solidarity with a side support plate 3, this being fixed on such a side support plate (embodiment no represented) or at least partially integrated into such plate lateral support 3, as can be seen in figure 2.

As you can see in the same figure, such motor 5 also includes, on the one hand, a sleeve 7 that extends of the head 6 of this motor 5 and on which it is positioned in rotation said winding tube 2 and, on the other hand, a crankcase 8 mounted with the possibility of rotation inside this sleeve 7. This crankcase 8 has two ends 9, 10, of which a first end 9 receiving electrical means (not shown) capable of ensuring a drive of said winding tube 2 and meshed with the latter 2, as well as a second end 10 mounted with possibility of rotation with respect to the head 6 of the motor 5.

As you can see in figure 2, the engine 5 (in particular the electrical means for actuating the tube 5) winding is powered by electric wires 11 that penetrate inside the device drive 1 according to the invention through at least one hole 12 defined at the level of head 6 of motor 5 (figures 1 and 2).

For this purpose, it will be noted that, thanks to installation with possibility of rotation of the crankcase 8 with respect to sleeve 7 which gives said motor 5 a rotating character, the power supply of this motor 5 (in particular of said electric drive means) is carried out through rotating contacts 13 provided, in particular, between this sleeve 7 and this crankcase 8. Such rotating contacts 13 are connected, on the one hand, to the electric wires 11 and, on the other hand, to the electric means for driving the winding tube 2.

According to another feature of device 1 of drive according to the invention, the latter 1 also includes a manual drive winch 14 designed capable of operating in rotating said motor 5 for a rotating drive of said drive tube 2, this winch being 14, then, used to ensure a rotating drive of said tube of winding 2 through said tubular motor 5.

For this purpose, it will be noted that such winch 14 It is, in particular, designed capable of ensuring a maneuver of emergence of winding tube 2, in particular in case of dysfunction of the electric drive means of the latter 2.

According to the invention, said device of drive 1 includes adjustment means 15 in axial position of the winch 14 with respect to the side support plate 3, on the side of the end 4 of the winding tube 2 receiving said motor 5.

As you can see in Figure 2, such adjustment means 15 are defined by mounting means 16 sliding of said winch 14 with respect to said support plate lateral 3.

In fact, such sliding mounting means 16 they have at least one drive shaft 17, on the one hand, mounted slidably with respect to said motor 5 and / or with respect to said winch 14 and, on the other hand, engaged with the latter 5, 14.

For this purpose, it will be noted that such an axis of drive 17 extends from said winch 14, in particular laterally, and may, in a particular embodiment illustrated in figures 1 and 2, extend through this windlass 14, such drive shaft 17 is mounted with the possibility of rotation with respect to head 6 of motor 5 and is inserted into this last 6 to cooperate with said motor 5, in particular with means of reception 18 that the latter 5 involves, in particular at the level of said crankcase 8, with a view to rotating the tube winding 2.

According to another feature of the invention, said drive device 1 comprises 19 designed means capable to ensure the immobilization in rotation of this axis of drive 17 with respect to said winch 14 as well as with respect to said engine 5, in particular with respect to the crankcase 8 that the latter 5 behaves

For this purpose, it will be noted that such means of immobilization 19 can be defined by slots 20 or the like provided at the level of said drive shaft 17 and intended for cooperate with complementary means, in particular in the form of slots 20A or the like, defined at the level of said winch 14 and / or at the level of said motor 5. Another embodiment consists in that such immobilization means 19 can be defined by a maneuvering block 25 defined at the level of said axis of drive 17 and intended to cooperate with complementary means provided in said motor 5 and / or in said winch 14. In addition, another mode of embodiment is that such immobilization means 19 they can be constituted by means of cotters and pins or Similar. However, and according to a preferred embodiment visible in figures 1 and 2, said drive shaft 17 presents, at the level of one of its ends, a small square of maneuver 25 intended to cooperate with complementary means defined by level of said winch 14, while, at the level of the other end, this drive shaft 17 includes slots 20 intended for cooperate with slots 20A that said motor 5 involves.

For this purpose and as can be seen in this figure 2, such slots 20A can be defined at the level of the inner wall 21 of a tubular part 22 that said crankcase 8 involves and defining said receiving means 18 intended to receive internally said drive shaft 17, and which is mounted on rotation with respect to the head 6 of the motor 5, in particular in the inside an annular crown 23 defined at the level of the latter 6.

In fact, in figure 2 a embodiment of a drive device 1 for the which the winch 14 and the motor 5 are substantially coaxial. Such embodiment is, in particular, adapted to a blind Roller designed to equip a new building.

In the field of renovation of a building, the placement of a door, new window or similar consists, usually, in applying this new or similar door provided with a roller blind against the old frame. The presence of this the latter prevents the installation of the winch and the motor coaxially, as described above. In such a case, the device drive 1 according to the invention can be completed with means designed capable of offsetting the winch with respect to the motor, with views to offset the maneuver of this winch regarding said frame. Such a lag can be translated at least partially into a lag of the windlass on the inner side of the building.

In fact, such offset means can present in the form of a return system (in particular consisting of a pinion system or similar) designed capable of cooperate with a drive shaft defined by two shaft pieces of which a first piece that connects said windlass to the system of return as well as a second piece that connects this system of return to said engine. For this purpose, it will be noted that each of these shaft pieces can be mounted sliding relative to said return system and / or, as the case may be, with respect to said winch or said engine.

As can be seen from the preceding description, the winch 14 is mounted in an adjustable manner with respect to said lateral support plate 3, through a sliding type assembly 16 of at least one axis of
drive 17 with respect to motor 5 and / or winch 14.

Through this sliding assembly it is possible offset said winch 14 with respect to the lateral support plate 3. This winch 14 can then be installed at the level of a break or similar performed at the level of the masonry of a building. Such recess can be closed, in particular by masonry and / or by a cover, so that only an opening of communication with the interior of the building. It is precisely through from this opening that is secured an access to winch 14 for the crank. For this purpose, it will be noted that this winch 14 is, usually, provided with an organ 24 (in particular defined by a maneuver box) capable of positioning at the level of said opening. It is in particular through such positioning that it comes an axial immobilization of the winch 14 with respect to the plate of lateral support 3, in its operating position.

Claims (10)

1. Drive device (1) for roller shutter that includes a winding tube (2) maintained on both sides by side support plates (3) and at one end (4) of which a tubular drive motor is inserted (5), this device (1) also comprising a hand-operated windlass (14) for actuating said winding tube (2) through said tubular motor (5), characterized in that the device (1) includes adjustment means (15) in axial position of the winch (14) with respect to the lateral support plate (3), on the end side (4) of the winding tube (2) that receives said motor (5). 2. Drive device (l) according to claim 1, characterized in that the adjustment means (15) are defined by axial sliding mounting means (16) of said winch (14) with respect to said side support plate (3) with which is said solidarity engine (5). 3. Drive device (1) according to claim 2, characterized in that the sliding mounting means (16) comprise at least one drive shaft (17), on the one hand, mounted sliding with respect to said motor (5) and / or regarding said windlass (14) and, on the other hand, engaged with the latter (5; 14). 4. Drive device (1) according to claim 3, characterized in that the motor (5) has a head (6), in solidarity with the side support plate (3), and into which said drive shaft is rotated (17) to cooperate with said motor (5), with a view to the rotating drive of said winding tube (2). 5. Drive device (1) according to claim 4, characterized in that the motor (5) is rotatable and has a sleeve (7) extending from the head (6), and inside which it is mounted on rotating a crankcase (8), on the one hand, which receives electric means for actuating the winding tube (2) and, on the other hand, which comprises receiving means (18) for said drive shaft (17). 6. Drive device (1) according to claims 4 and 5, characterized in that the head (6) of the motor has an annular crown (23) inside which the receiving means (13) of said axis are mounted in rotation. drive (17). 7. Drive device (1) according to any of claims 3 to 6, characterized in that it comprises designed means (19) capable of ensuring the immobilization in rotation of the drive shaft (17) with respect to said winch (14) and with respect to said engine (5). 8. Drive device (1) according to claim 7, characterized in that the immobilization means (19) are defined, at the level of said drive shaft (17), by slots (20), a maneuvering square (25), key and pin means or the like intended to cooperate with complementary means defined at the level of the winch (14) and / or the motor (5). 9. Drive device (1) for roller shutter installed at the level of the masonry of a building, according to any of the preceding claims, characterized in that the winch (14) is installed at the level of a recess or the like performed at the level of the masonry of this building. 10. Drive device (1) for roller shutter installed at the level of the masonry of a building, according to any of the preceding claims, characterized in that the axial immobilization of said winch (14) is ensured by an organ (24) that is positioned at the level of a communication opening between the winch (14) and the interior of the building.