FR2908810A1 - Motorized closing system e.g. shutter, for building, has motor mounted movable in rotation around shaft, and control unit blocking rotation of motor, where unit constitutes unlocking control unit and locking unit in initial opening phase - Google Patents

Abstract

The system (1) has an electrical motor (2) with a driving shaft cooperated with an opening frame (5) by a transmission unit (4). A locking unit (7) maintains the opening frame in a closing position. The motor is mounted movable in rotation around the driving shaft. An electromagnetic clutch type control unit (8) blocks the rotation of the motor. The control unit constitutes an unlocking control unit and the locking unit in an initial opening phase.

Description

1 The invention relates to a motorized closing system with opening

  pivoting or sliding horizontally or vertically, comprising, on the one hand, at least one motor member having a motor drive shaft designed adapted to cooperate with an opening through suitable transmission means, and, secondly, locking means able to maintain the opening in the closed position. The present invention relates to the field of building closure systems such as garage doors, gates, 10 shutters, curtains or the like. The closing systems for building type garage doors or sliding gates include, for the motorized drive of this type of opening, rack and pinion transmission systems. In particular, on the leaf is fixed such a rack with which engages a toothed wheel rotated by an electric motor, often through a suitable reducer. It is usually through such a transmission and the engine that the leaf is also maintained in the closed position. Indeed, it is usual to use an irreversible transmission system or to use an electromagnetic brake motor for this type of application. If the motor is able to drive the gearwheel in rotation to drive the rack, thrust on the leaf to make it open is made impossible with irreversible transmission. In case of use of an electromagnetic brake motor, this is usually activated as soon as the power supply is cut off. Thus, when the motor is no longer powered, the brake prevents rotation of the rotor and therefore of the motor drive shaft. This blockage is echoed through the reducer on the pinion gear acting on the rack mounted on the opening. 2908810 2 To perfect the maintenance in the locked position of this opening, it is still common to use electromagnetic closure systems in the form of a latch pushed to the unlocked position from the motor powered by electrical energy 5 and, instead, recalled in the locking position once the opening fully closed. The problem posed by these known motorized closing systems lies in the difficulty of obtaining the opening of this opening in the event of engine failure or, quite simply, mains failure. Indeed, the solution is usually to perform a disengagement operation of the motor and, optionally, to perform manual unlocking auxiliary closing systems, electromagnetic lock type or similar.

  It is understood that these manual release and unlocking maneuvers are only possible from inside the house. Also, either there is another access door to go to this house and ensure, thus, the opening of the opening from the inside, or it is provided at the level of this opening, in this case when it is about garage doors, a gate whose opening can be obtained via a conventional closing system type lock fitting.

  However, depending on the type of opening that is mentioned, it can not be equipped systematically with such a door or, at least, not without constraint. This is so for some gates, but also for garage doors whose opening is composed of several panels articulated relative to each other to be able to extend, in the open position, as appropriate, along the garage ceiling or a wall adjacent to the one with the opening that closed the opening. In this case, sectional doors 35 are usually used in the presence of this type of articulated panel opening.

In any event, the addition of such a gate has the effect of substantially increase the weight of the opening and complexity of its structure, which results, of course, a significant additional cost.

The present invention is able to respond to this difficulty. Thus, in a first inventive step, it has been imagined that apart from the opening and closing operation phases, the drive motor is disconnected from the opening so that any manipulation of this opening from outside the house becomes independent of the motorized drive mechanism. As part of a second inventive step, it has been imagined to associate with the opening manually operable locking means while being able to be operated automatically in the initial opening control phase under the influence of the engine. The advantages that flow from the present invention are that the closure system, although motorized, behaves as a closing system and manual opening.

Indeed, as long as the engine is stopped, in this case, as long as it is not supplied with electrical energy, it is totally disconnected from the sash which, after unlocking adapted locking means, can be handled with ease. Thus, in case of malfunction of the engine, whatever the reason, the user can easily open the door, without having to access, first in the house through another access door . Note that for this, it is sufficient for him to unlock the door, as is usual for manual opening, then push this leaf 30 depending on the case horizontally or vertically, to clear the opening it closes . Another advantage results from the fact that whatever the manual or motorized opening mode of the opening, it is kept locked in the closed position by means of locking means which, again, are susceptible of be controlled manually or motorized.

Thus, the invention relates to a motorized closing system with a pivoting or sliding leaf horizontally or vertically comprising, on the one hand, a motor unit comprising a motor drive shaft capable of cooperating with the sash via a suitable transmission and, secondly, locking means able to maintain closed the opening, characterized in that said motor member is rotatably mounted around its motor drive shaft, said system comprising means for controlling rotation locking of said motor member, means further constituting unlocking control means, locking means, in particular in the initial opening phase. Other objects and advantages of the present invention will become apparent from the following description relating to embodiments given by way of indication and not limitation. The understanding of this description will be facilitated by reference to the accompanying drawings in which: FIG. 1 is a partial and perspective diagrammatic representation of a motorized closure system according to a first embodiment; FIG. 2 is a schematic illustration of the operating principle of this closure system designed according to a first embodiment; - Figure 3 is a schematic representation of a first embodiment of the rotational locking means of the motor member, this in accordance with the invention; - Figure 4 illustrates, according to a second embodiment, the motorized closing system according to the invention. As shown in the figures of the accompanying drawings, the present invention relates to the field of motorized closing systems with opening pivoting or sliding horizontally or vertically.

It is more particularly shown in the accompanying drawings, the application of the invention to a horizontally sliding leaf of the garage door type. The motorized closing system 1 according to the invention 5 comprises a motor member 2, of the electric motor type, which, through a motor drive shaft, not directly visible in the drawings, acts by means of a suitable transmission 4 on the opening 5 which, as already indicated above, can be of pivoting, sliding or other type.

In the illustrated embodiments, this door is of horizontally sliding type as encountered in the case of garage doors or the like. Such an opening is often made of panels 6 hinged together, to reject it, in the open position, along a wall 15 inside the garage, extending perpendicularly to the opening that closes this opening. The motorized closure system 1 further comprises locking means 7 more particularly designed to maintain closed the opening 5.

According to a feature of the invention, the drive member 2 is rotatably mounted around its drive shaft, while the motorized closure system 1 comprises means 8 for controlling rotation locking of said drive member 2 constituting in addition, unlocking control means, locking means 7, in particular in the initial opening phase. In other words, insofar as the motor member 2 is itself free to rotate and its drive shaft is in cooperation with the opening 5 via the transmission 4, when this organ motor 2 is supplied with electrical energy, it comes to rotate around its drive shaft whose rotation is prevented under the influence of the weight of the opening 5. This is only once immobilized this motor member 2 in relation to a fixed point, the rotation of the drive shaft occurs.

Referring now more particularly to the embodiment corresponding to Figures 1 to 3 where there is visible an opening 5 in the form of a garage door. This opening 5 is slidably mounted horizontally by means of guide means 5 adapted 9, 10 formed in the upper and lower part of the opening that it closes. Furthermore, this opening 5 comprises, in the upper part 11 and lower 12, racks 13, 14 on which are meshing pinions 15, 16 mounted at the ends of a shaft 17, here designed tubular and receiving internally, the drive member 2. It acts, through its drive shaft, possibly via a gear 18 adapted on this shaft 17. The latter is maintained in rotation by bearings (Not shown) located at the height of the rear pillar, opposite to the amount before 19, delimiting the opening in the construction and on which is closed the opening 5. As for the motor member 2, it is tubular type introduced in this tubular shaft.

Under these conditions, it is clear that the shaft 17 is rotating around the motor member 2, just as it can freely rotate in this tubular shaft 17, as the motor member 2 is not itself made integral with a fixed point. In the usual way, this motor unit 2 comprises a motor head 25 which is fixed at a console 21 forming for example plays bearing support. Precisely, this motor head 20 is free here in rotation. Exactly, intervene, according to the invention, the rotational locking control means 8 of the motor member 2. These means 8 may borrow different embodiments. Thus, in the embodiment corresponding to FIGS. 1 to 3, these control means 8 are of the electromagnetic clutch type comprising, for example, an electromagnetic suction pad 22 designed adapted to cooperate with a magnetic plate 23, the suction pad 22 attracting the plate 23 in case of power supply.

In the illustrated embodiment, the plate 23 is mounted to rotate with the head 20 of the motor member 2, while the suction cup 22 is mounted at a fixed support bracket 21. The it will be understood that an inverted arrangement can be envisaged, consisting in equipping the motor head 20 with the suction cup 22, the fixed support 21 then receiving the plate 23. To return to the illustrated embodiment, the plate 23 is Furthermore, it is movably mounted on the motor head 20 in a manner, depending on the case, to be applied against the electromagnetic pad 22 in the event of electric power supply, corresponding to the engaged position, or, on the contrary, to detach from it. when this power supply is turned off to cause disengagement. In this connection, elastic return means 15 may be provided to ensure this disengagement when the suction pad is no longer under tension. Said magnetic plate 23 further comprises means for locking in rotation 24, for example a toothing, designed capable of cooperating, when it is attracted by the electromagnetic suction pad 22, with complementary locking means 25 associated with the latter. Thus, it is understood that by feeding this suction cup, this results in the attraction of the magnetic plate 23 and the cooperation of the blocking means 24 with those complementary 25 25 leading simultaneously to block in rotation the motor head 20. The driving member 2 thus having a fixed point ensuring its immobilization in rotation, its motor drive shaft can, through the transmission 4, drive the opening 5. More particularly, said control means 30 blocking in rotation 8 still constitute unlocking control means, locking means 7. In this connection, the electromagnetic lock 22 of the electromagnetic clutch corresponding to said locking control means 8 constitutes, in a way, the fixed plate of this clutch on which engages the movable plate defined by the magnetic plate 23. In reality, this fixed plate 2908810 is itself free in rotation relative to the console 2 1 about the axis of rotation of the drive member 2 which is none other than the axis of its drive shaft (not visible). This rotation of the electromagnetic pad 2 is, however, limited angularly according to a determined range 26. Thus, when feeding the motor member 2, it starts to rotate around its drive shaft thereby driving the motor head 20. Simultaneously, the blocking control means are activated. in rotation 8 consisting in the attraction, by the electromagnetic pad 22, of the magnetic plate 23. This causes the rotation of said electromagnetic pad 22 over the angular range 26. In particular, the means 27 conferring this angular mobility relative to the electromagnetic plunger 22 are constituted, according to an exemplary embodiment, by a lug 28 comprising a semicircular light 29 concentric with the axis of rotation of this electromagnetic plunger 22, therefore of the driving member 2. In this light 29 A retaining lug 30 integral with the bracket 21 is engaged. In other words, the light 29 determines the range 26 of free rotation of the electromagnetic lock 22. One could imagine equipping the tab 28 with the retaining pin 30, the light 29 then being formed at the level of the console 21. Advantageously, said tab 28 driven by the electromagnetic pad 22 constitutes a drive tab for the unlocking control of the locking means 7. More precisely, this drive lug 28 is designed to act, in particular through a rod 31 on these locking means 7.

These can take various embodiments, it being understood that according to a feature of the invention, said locking means 7 are still designed able to be controlled, also, from outside at least the opening 5.

An embodiment of such locking means 7 will be discussed further in the description.

Referring now to the embodiment corresponding to Figure 4 which shows, in the form of another embodiment, the rotational locking control means 8 of the motor member 2 .

In reality, these means 8 retain their configuration in the form of a clutch, in particular electromagnetic clutch, and comprise an electromagnet 32 designed capable of bringing a locking pin 33 in cooperation with a toothed wheel 34 integral in rotation with the motor head 20 The locking pin 33 has the function, one 10 times engaged on the toothed wheel 34, to ensure immobilization in rotation of the latter and, consequently, create a fixed point for the motor member 2 which can then produce the opening and closing of the opening 5 under the influence of its drive shaft. From now on, it will be observed that instead of a locking lug other locking means can be provided for, in cooperation with complementary locking means associated with the motor head 20, to ensure the blocking rotation of the latter. The present invention can not be limited to the single embodiment described.

In this embodiment, visible in FIG. 4, the locking pin 33 is mounted integral with a lever 35, for example rotatably mounted on the bracket 21. The electromagnet 32 is designed capable of cooperating with said lever 35. to ensure its rotation from an inactive position of disengagement in an active clutch position, in the latter the locking pin 33 being in cooperation with said gear 34. Advantageously, the lever 35 is still a control lever means locking 7 in particular through a rod 31 adapted.

To return to these locking means 7, they comprise, according to a particular design of the invention, fastening means 36 designed to be reported on the amount before 19 of the frame on which closes the opening 5 and complementary attachment means 37 attached to this opening 5 and with which are designed capable of cooperating said attachment means 36.

According to an advantageous embodiment of the invention, these attachment means 36 corresponding to these locking means 7 are able to be controlled, in particular for unlocking, by said locking control means 8 to which it has been referred to above, while the additional hooking means 37 are provided to be manually controlled at least from the outer side of the opening 5. In an exemplary embodiment, said attachment means 36 are shown in FIG. form of at least one hook 38 pivotally mounted on the front upright 19 of the frame, so as to cooperate with the complementary hooking means 37 in the form of at least one bolt 39 integral with the opening 5. Particularly said hook 38 is subjected to resilient biasing means 40 in the locking position, while its end 41 is configured so as to be pushed back into the unlocking position. sillage under the impetus of the bolt 39 when the opening 5 is closed on said amount before 19 of the frame. In sum, the bolt 39 acting on the hook 38 acts against these resilient biasing means 40 so that after passing under the hook 38 it can lock at the rear of said bolt 39. Furthermore, it is advantageously made integral with a control rod 42 depending on a locking device 43 of cremone type operable, in particular by means of a key, from outside the opening 5 The control rod 42 is designed to move the bolt 39 so as to erase it from the grip of the hook 38. As shown more particularly in Figure 1, the attachment means 36 corresponding to the means locking 7 comprise several hooks 38 mounted integral with a rod 44 pivotally attached about its axis on the front post 19 of the frame. The control in rotation of this rod 44 occurs under the impetus of the locking control means 8 more particularly of the rod 31 controlled, as the case may be, by the drive lug 2908810 11 28 of the electromagnetic lock 22 or by the lever 35 on which acts the electromagnet 32. Along this rod 44 can be provided, a manual unlocking handle 45 for unlocking from the inside. However, it can be imagined that this release from the inside intervenes in a manner similar to the unlocking from the outside by action on the espagnolette defining the locking device 43 secured to the opening 5.

Although the invention has been described with respect to a particular embodiment, it is understood that it is in no way limited thereto and that various modifications of shapes, materials and combinations thereof may be made. these various elements without departing from the scope and spirit of the invention.

Claims (14)

  Motorized closure system with opening (5) pivoting or sliding horizontally or vertically, comprising, on the one hand, at least one driving member (2) comprising a motor drive shaft designed adapted to cooperate with the opening (5). ) by means of suitable transmission means (4) and, on the other hand, locking means (7) able to maintain the opening (5) in the closed position, characterized in that said motor member (2) is rotatably mounted around its motor drive shaft, said system (1) having rotational locking control means (8) of said motor system (2), means (8) further constituting unlocking control means, locking means (7), in particular in the initial opening phase.   2. System according to claim 1, characterized in that the rotation locking means (8) are of the electromagnetic clutch type.   3. System according to claim 2, characterized in that the rotational locking control means (8) comprise, firstly, an electromagnetic suction cup (22) designed adapted to cooperate with a magnetic plate (23), one being associated with the driving member (2) and the other with a fixed support bracket (21) and, on the other hand, rotational locking means (24) associated with the magnetic plate (23) in such a way that adapted to cooperate with complementary locking means (25) associated with the electromagnetic lock (22) during the supply of electrical energy thereof.   4. System according to claim 3, characterized in that, as the case, the electromagnetic pad (22) or the magnetic plate (23), associated with the fixed support bracket (21), defines a fixed plate mounted free to rotate in a limited angular range (26) on this fixed support bracket (21) by means (27) adapted.   5. System according to claims 1 and 4, characterized in that, as the case, said electromagnetic pad 12 2908810 13 (22) or the magnetic plate (23) rotatably mounted on the fixed support bracket (21) comprises a tab (28) constituting a drive lug for the unlocking control of the locking means (7). 5   6. System according to claim 2, characterized in that the locking control means (8) comprise an electromagnet (32) designed to cooperate with locking means, in particular a locking pin (33), with complementary locking means, in particular a gearwheel (34) associated with the motor head (20) for locking the motor member (2) in rotation.   7. System according to claim 6, characterized in that the electromagnet (32) is designed adapted to cooperate with a lever (35) rotatably mounted on a fixed support bracket (21) 15 to push this lever (35) from an inactive position of disengagement in an active position of clutch to bring in cooperation the locking means, in particular the locking pin (33), with the complementary locking means, more particularly the toothed wheel (34). 20   8. System according to claim 7, characterized in that the lever (35) is a control lever, including unlocking, locking means (7) more particularly through a rod (31) adapted.   9. System according to any one of the preceding claims, characterized in that the locking means (7) comprise hooking means (36) designed to be reported on the frame receiving the opening (5) and complementary hooking means (37) attached to said opening (5) with which are designed able to cooperate said fastening means (36) in the closed position, said hooking means (36) being designed to accommodate be controlled, in particular for unlocking, by said locking control means (8), while the complementary fastening means (37) are provided to be manually controlled at least from the outer side of the sash (5); ). 2908810 14   10. System according to claim 9, characterized in that the attachment means (36) are in the form of at least one hook (38) subjected to elastic return means in the locking position (40) and comprising an end (41) configured so as to be pushed into the unlocking position under the impetus of the complementary fastening means (37) in the form of at least one bolt (39) when the opening (5) comes to close it.   11. System according to claim 10, characterized in that the bolt (39) is secured to a control rod (42) dependent on a locking device (43), cremone type, operable, in particular by via a key, from the outside of the opening (5), said rod (42) being designed able to move said bolt (39) so as to remove it from the grip of the hook ( 38) during the unlock command.   12. System according to any one of claims 9 to 11, characterized in that the attachment means (36) comprise a plurality of hooks (38) mounted integral with a rod (44) pivotally attached to the frame , the control in rotation of this rod (44) intervening under the influence of the blocking control means (8).   13. System according to claim 12, characterized in that along the rod (44) is provided a manual unlocking control handle (45).   14. System according to claim 11, characterized in that the locking device (43) secured to the leaf (5) is designed to be operable from inside the opening (5) for a control of unlocking 30 manual.