WO2008034652A1

WO2008034652A1 - Motorized drive

Info

Publication number: WO2008034652A1
Application number: PCT/EP2007/055371
Authority: WO
Inventors: Carmen Rotger-Steigemann; Jürgen Sassmannshausen; Christian Thomas; Martin ZÖLLER
Original assignee: Siegenia-Aubi Kg
Priority date: 2006-09-20
Filing date: 2007-06-01
Publication date: 2008-03-27
Also published as: DE202006014591U1

Abstract

The invention relates to a motorized drive (40) for a pane of a window or a door pivotable about at least one axis (14, 16), with a drive housing (41) in which a transmission member in the form of a chain (42, rigid against tension and compression,) is accommodated and which is displaceable via a motor out of the drive housing (41). Said transmission member abuts at the free end thereof against a bearing support or a mounting bracket (43) and is rigid against compression along a side edge (53) and can be deflected, or bent, along the facing side edge (52). To obtain a universally applicable drive (40), the chain links (49) have stop edges (54) along the compression-rigid side edge (53) for the respectively adjacent chain link (49) which allow the chain links (49) to be at an angle of more than 180° to each other.

Description

Motorized drive

The invention relates to a motor drive according to the preamble of claim 1.

Such drives are already known, for example from US 5156574. From this, a motor drive can be removed, in which a power transmission to a wing or frame via a chain. The chain is designed to be stiff, so that it can be bent virtually resistance-free along one side edge and is pressure-resistant along the opposite longitudinal edge. Thereby, the chain can be wound in a housing of the drive and displaced by a drive gear from the housing.

In the drive of US 5156574 two outer and two inner tabs are provided in each case, which are each connected once with each other via a bolt. While the tabs on the bendable longitudinal edge are parallel to one another, the tabs along the bending-resistant rear side are provided with an end section which is inclined to the plane of the tabs. The inner and outer tabs are alternately arranged so that the end portions intersect and thus abut each other in the extended position.

Another embodiment provides U-shaped tabs. A first outer tab engages a second inner flap. Both tabs are pivotally connected to each other via a bolt. Along the rigid back are here in the extended position, the U-webs of the outer and inner webs together.

In order to achieve a maximized Ausstellweite of the drive while the angle, which take the chain links in the rigid position to each other, almost 180 °.

In order to follow the pivoting movement of the wing when exhibiting, has therefore been proposed in DE 295 14 179 U1, the console, which is associated with the chain at the end facing away from the drive, and or or the drive is pivotally mounted , As a result, the chain can be made very rigid in the direction of the bolts connecting the lugs. The pivot axis of the wing always runs perpendicular to the possible bending axis of the chain. Therefore, for example, in a lower horizontal pivot axis of a wing, the chain can only be attached to the upper horizontal spar and the axis of the drive must be mounted approximately perpendicular. Accordingly, such a known drive can not be used for wings which are pivotable both about a lower horizontal and about a laterally vertical axis. Therefore, it has been proposed in the earlier unpublished DE 1020 050 00 141 to make the bracket pivotable about an axis which is nearly vertical. As a result, the drive can also be used in such windows or doors, which should be pivotable about both a vertical and a horizontal axis. The disadvantage here, however, is that the housing of the drive must be mounted necessarily on the wing, so that its pivotal movement can be performed.

The invention seeks a universal and simplified solution.

This solution consists of a motor drive with a chain according to claim 1. Because the chain links along the pressure-resistant side edge abutment edges for each adjacent chain link, which allow an angle of the chain links to each other by more than 180 °, the chain can have a radius form on the rigid longitudinal edge. Thus, a limited radius can be described by the chain, which runs coaxially to the vertical pivot axis of the wing. The chain follows the movement of the wing and is carried over the wing. As a result, the drive can be attached either to the wing or the frame and it can be used a single drive for a rotating, tilting or rotating tiltable wing.

It is further contemplated that the chain links of the chain will abut each other along the rigid side edge with side edges directed towards each other which have an angle of less than 90 ° with respect to a normal extending in the longitudinal direction of the chain. This results in a first simple embodiment.

It has proved to be advantageous that the angle of the side edges relative to the normal is between 75 ° and 90 °. Preferably, this is between 90 and 95 °. A simple embodiment of the chain results from the fact that the chain links consist of outer U-shaped tabs and pinned by this intermediate members which are connected to each other via bolts.

The simple configuration can be further improved by the fact that the intermediate links are formed from a U-shaped profile section.

In this embodiment, the inclination of the chain links to one another is achieved in that the back webs of the tabs and the intermediate links in the extended position have a free space to each other.

Further advantageous embodiments will be apparent from the drawings. It shows:

1 a tilt and turn window with a tilt and turn fitting,

Fig. 2 to 4 a tilt and turn window in a view from above in the

Closed position, the tilted position and the rotational opening position,

5 a back stiff chain,

Fig. 6 shows an embodiment of the chain based on two chain links and

Fig. 7 shows another embodiment of a chain

In Fig. 1, a frame is generally indicated at 10 and a wing generally at 12. The wing 12 is tiltable with respect to the frame 10 via a tilting axis 14 or rotatably mounted about an axis of rotation 16 parallel to the frame member 17. For this purpose, a non-illustrated corner bearing is provided at 18, which allows both the tilting movement about the tilting axis 14 and the rotational movement about the rotation axis 16.

Further, a tilt lock is provided at 20, which allows the tilting movement about the tilting axis 14 and can be opened for the rotational movement about the rotation axis 16. Between the upper frame leg 22 of the frame 10 and the upper wing leg 24 of the wing 12, a display device 26 is provided, -A-

which limits the tilting opening width of the wing 12 relative to the frame 10 to the position shown in FIG. 1 and which is defined by the pivoting movement of the wing 12 about the axis of rotation 16 on the upper sash leg 24 of the sash frame 12 in parallel position thereto, by cooperating latches 28, 30. The bolt 30, the tilting bearing 20 and possibly not further drawn here

Locking element pairings for closing locking of the wing 12 on the frame 10 are controlled by means of drive rod means 32 in a known manner.

In Fig. 1, the handle 38 is switched to the switching position tilting and the wing 12 is in tilted position.

On the upper frame leg 24, a motor drive 40 is provided, which can be used as an alternative to manual over the handle 38. The motor drive 40 has a housing 41 which is fastened to the frame 10 in the exemplary embodiment, in which a chain 42 and a drive member acting on the chain 42-not shown here-and a motor driving this are accommodated. The chain 42 engages on the side facing away from the housing 41 on a bracket 43 on the wing 12 at. Usually, the chain 42 is pivoted on the console 43. When mounting the drive 40 on the wing 12, the bracket 43 is attached to the upper frame leg 24.

Notwithstanding the illustration of FIG. 1, the motor drive 40 may also be mounted on the upper horizontal wing leg.

In Fig. 2, the wing 12 is visible in the closed position from above. The axis of rotation 16 is here clearly visible next to the wing 12. The motor drive 40 is fixed to the inner frame end face 44 and overlaps with the chain 42 has an outer wing edge and is connected to the console 43. In this position, the chain 42 is largely received within the housing 41. The chain 42 is formed as a back-rigid chain, which is able to absorb pressure forces. As a result, the chain 42 does not buckle when the wing 12 is to be parked by the frame 10.

If the handle 38 is brought into the tilted position, then the tilt lock attached at 20 (FIG. 1) becomes active and the wing 12 can be pivoted about the lower horizontal tilting axis 14 and also along the tilting axis 14 on the tilting axis 14 Set frame 10. The chain 42 is brought out to achieve a Abstellbewegung this straight from the housing 41. In order to follow the pivotal movement of the wing 12, the chain 42 must be performed either perpendicular to the drawing surface at least slightly bendable (eg similar to US 4,941,316) or the chain 42 is in the bracket parallel to tilting axis 14 pivotally received (eg similar DE 295 14 179 U1).

Finally, in the rotational position according to FIG. 4, the tilt lock is disengaged and the extension arm of the deployment device 26 is fixed to the wing 12 via the mutual engagement of the latches 28, 30 in a parallel alignment position relative to the sash. The wing 12 can thereby be pivoted about the vertical axis 16. Thus, the chain 42 may follow the movement of the wing 12, this must be able to form the visible in Fig. 3 radius 45, but without being able to buckle in the radial direction.

The chain shown as a single part in FIG. 5 is detailed in FIG. In the embodiment shown in Figures 5 and 6, the chain 42 consists of two outer tabs 46 'and two inner tabs 46 ". Tabs 46' and 46" are each offset from one another by a bolt 47. As shown in FIG. 6, the holes 48 in the tabs 46 ', 46 ", which are penetrated by the bolt 47, not along a center line of the chain link 49 consisting of two outer and two inner tabs 46', 46" and a bolt 47th arranged. Rather, the connections formed by the bolts 47 are offset and the facing side edges 50 of the tabs 46 'are provided with radii 51. As a result, the chain 42 along the longitudinal or side edge 52 - which here for clarity, as well as the side edge 53 is shown offset parallel to the chain 42 - are deformed into a narrow radius (Fig. 7). Along the opposite longitudinal or side edge 53 of the chain 42, however, the tabs 46 'are provided with straight side edges 54. Relative to a normal 56 extending in the longitudinal direction of the chain 42, the side edges 54 at an angle 57 which is smaller than 90 °. This results in an acute angle 55 between a vertical 58 on the normal 56 and the side edge 54. The chain links 49 can accordingly be easily inclined to each other and the radius 45 describe the - compared to the radius taken by the chain 42 along the longitudinal edge 52 can - is comparatively large. Accordingly, it is achieved that the chain links 49 along the pressure-resistant side edge 53rd Stop edges in the form of the side edges 54 for each adjacent chain link, which allow an angle relative to the normal 56 of the chain 42 and the chain links 49 to each other by more than 180 °.

If the side edges 54 of two adjacent chain links 49 abut one another, the chain 42 can transmit compressive forces. It is therefore easy to determine the minimum radius 45 (FIG. 2) based on the design of the angle 55 or 57 and to place the drive 40 correspondingly relative to the axis of rotation 16.

Preferably, the angle 57 is between 75 ° and 90 °. At smaller angles, although the radius 45 can be minimized, but also increases the risk that the chain 42 buckles at the Kippöffnungsstellung.

In the design of the chain 42 is in addition to the embodiment already described, an alternative embodiment of FIG. 7 into consideration. In Fig. 7, the motor drive 40 is partially shown. The chain 42 is received in the housing 41 in a groove 60. The groove 60 opens into a chamber 61 in which a pinion 62 is mounted, which is driven by the not visible here motor. The pinion 62 engages with the teeth 63 in the interstices of the bolt 47th

Chain links 49 consist of an outer U-shaped tab 46 '' 'and intermediate members 46' '' embraced therewith. Tabs 46 '' 'and intermediate members 46' '' are connected to each other via bolts 47 '. The intermediate links 46 "" correspond in function to the tabs 46 "of the first embodiment, but are formed from a U-shaped profile section and have a back web 64, in the radius forming position of the chain 42 with a spine 65 of the tab 46th '"interacts. This is effected by the fact that the back webs 64, 65 have a free space 66 in the extended position of the chain 42 relative to the perpendicular 58 to the normal 56. Due to this clearance, the chain links 46 'to each other occupy the angle 58.

The back web 64 and 65 connects the mutually parallel free legs of the tabs 46 '"and the intermediate member 46""and is respectively the back-rigid side of the chain 42 and the side edge 53 facing. LIST OF REFERENCE NUMBERS

10 frame

12 sash frames

14 tilting axis

16 axis of rotation

17 frame legs

18 corner bearings

20 tilt lock

22 frame legs

24 wing legs

26 display device

28 bars

30 bars

32 Espagnolette means

38 handle

40 motor drive

41 housing

42 chain

43 console

44 wing face

45 radius

46 'tab

46 "tab

46 '"tab

46 "" intermediate link

47 bolts

48

49 chain link

50 side edge

51 radii

52 side edge

53 side edge

54 side edge

55 angles

56 normal angle

vertical

groove

chamber

pinion

Perforation

rear web

Claims

Patβntansprüchβ

1. Motor drive (40) for at least about an axis (14, 16) pivotable wing of a window or door, with a drive housing (41) in which a tension and compression-resistant transmission member in the form of a chain (42) is added that have an engine out of the

Drive housing (41) is displaceable and engages with its free end on a bearing block or a bracket (43) and along one side edge (53) pressure-resistant and along the opposite side edge (52) is deflectable or bendable, characterized that the chain links (49) along the pressure-resistant side edge (53)

Have stop edges (54) for the respective adjacent chain link (49), which allow an angle of the chain links (49) to each other by more than 180 °.

2. Motor drive (40) according to claim 1, characterized in that along the pressure-resistant side edge (53) the chain links (49) with aligned side edges (54) at least partially abut each other, which - related to the longitudinal direction of the chain (42) - have an angle (55) of less than 90 °.

3. Motor drive (40) according to claim 2, characterized in that the angle (55) is between 75 ° and 90 °.

4. Motor drive (40) according to claim 1, characterized in that the chain links (49) consist of outer U-shaped tabs (46 '") and of these encompassed pontics (46" "), which together via bolts (47). are connected.

5. Motor drive (40) according to one of claims 1 to 4, characterized in that the intermediate links (46 "") of a U-shaped

Profile section are formed.

6. Motor drive (40) according to any one of claims 4 or 5, characterized in that the back webs (64, 65) of the tabs (46 '") and the intermediate links (46" ") in the extended position a free space (66). to each other.