DE2260913A1 - DEVICE FOR VENTILATING BUILDING SPACES - Google Patents

Description

Grescha Society Grefe & Scharf, 4811 Leopoldshöhe 3,

Schackenburger Str. 174

¹¹ Device for ventilating building spaces "

The invention relates to a device for venting and venting of building rooms, with one on one on a building wall (ceiling) fixable curb in the open and closed position movably arranged ventilation dome, such as light dome, breath and fire ventilation flap or the like.

Such ventilation and ventilation devices are available in different ways Versions and with different opening mechanisms (swivel or lifting members) become known.

The disadvantage of the known devices is the low

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opening size of the curb passage cross-section, whereby proper ventilation is not guaranteed. The opened position reached by pivoting or lifting The ventilation domes located there usually still extend in the area of the curb opening and result in unfavorable conditions aerodynamic conditions as well as are subject to external influences (wind pressure), which may result in the closed position are movable.

The object of the invention is to create an improved ventilation device while avoiding the previous deficiencies, the a perfect opening of the ventilation dome and a perfect one Allowing the entire free cross-section (passage space) of the curb to be released.

Furthermore, the ventilation dome should be able to be moved into and in the completely open position in a simple and safe manner be able to be fixed in an aerodynamically favorable manner.

Another object of the invention is in a stepless Opening movement of the ventilation dome to achieve any desired opening cross-section. In addition, the entire device should be simple and cost-saving designed and safe actuating elements for the ventilation dome and allow easy assembly of the entire device.

Qemäß the invention is a ventilation device according to of the type mentioned at the outset, characterized in that on the curb within its passage opening at least two fixed bearing points which can be swiveled out of the curb, in a common swivel plane and movable with the ventilation dome articulated extension arms are mounted and thereby the ventilation dome by means of these extension arms with parallel displacement from the closed position to the completely open position, which has a cross-passageway outside the curb

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sectional lying ventilation dome results, is positively guided on a trajectory steplessly movable. , '

In a preferred embodiment, the ventilation dome · moving two or more Ausstellarmpaare provided, each pair with its curb-side are of dene the two arms _'(and luftungskuppelseitigen pivot points at the vertices of a' parallelogram.

Each extension arm pair is a tension member formed by a steel band assigned, which engages with one end on the ventilation dome and with its other end on a winding shaft is windable.

The extension arms are preferably moved into the open position by spring forces, which are tensioned when they are closed moved and "brought back into the closed position" by the pulling elements, which at the same time brake the opening movement.

A manual or a motorized drive means for the return movement can be connected to the winding shaft at the same time a locking of the extension arms in the closed position contributes. ·

The raised arms locked in the closed position can be switched to electrical, manual or temperature, smoke or the like. unlock appropriate release mechanisms.

Further features of the invention emerge from the other subclaims.

The scope of protection of the subject matter of the invention does not extend only on the features of the individual claims, but also on their combination.

The ventilation device according to the invention enables; . the ventilation hood can be opened in a simple and stepless manner any desired opening size and allows a «perfect

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Free the passage cross-section of the curb for Ventilation - the ventilation dome is advantageously lifted and parallel shifted to open it completely then held in the open position outside the passage cross-section of the curb (the ventilation dome is located in the fully open position next to the curb).

This open position makes the entire free cross-section of the curb released for proper ventilation and external influences acting on the ventilation dome, such as Wind pressure, cannot close or reduce the opening cross-section.

The ventilation dome is opened and closed throughout its entire period Closing movement moved parallel to the installation surface (contact surface), which on the one hand creates advantageous ventilation opening sizes and on the other hand a completely free curb passage for ventilation, fire ventilation and smoke extraction is achieved. The ventilation dome can be moved safely using simple mechanical means (extension arms) and is carried out in the event of danger automatically.

The ventilation dome is always self-tightening peder elements brought into the opening movement and slowed down by pulling members in the movement, which at the same time the return movement to close the dome.

Opening the dome via the extension arms for ventilation can be done manually and / or motorized.

The ventilation dome with its actuation device can be installed as a closed unit on a site previously installed Apply the curb and an extremely simple assembly has been achieved.

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An exemplary embodiment of the invention is shown in the drawings. Show it :.

1 shows a cross section through a ventilation device with one on a curb via extension arms in an open and closed position movable ventilation dome in closed ventilation dome position and in dash-dotted lines in partially open position,

one that looks out onto the extension arms, Traverses that can be fixed to the curb with a winding shaft that accommodates tension members (steel strips) and a release and actuation device arranged on the winding shaft, partially cut,

Fig. 3 is an end view in partial section of the. Trigger and control device,

4 shows a cross section through the ventilation device with moved to the completely open position with parallel displacement, next to the Ventilation dome lying on the curb,

5 shows a cross section through a partial area of the curb and the ventilation dome with the ventilation dome in the closed position on the curb more firmly Locking,

6 shows a cross section through two arranged one above the other and locked against one another in the open position Extension arms.

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A device according to the invention for ventilating and venting Building spaces indicates a building wall (building ceiling ) fixable curb Io and a movably arranged on it, Ventilation dome (flap) 11, which can be brought into an open and closed position, for ventilation and smoke or fire protection. Fire ventilation on, this ventilation dome 11 in more preferred Way is formed by a dome light.

On the curb Io are within its passage opening (free cross-section) bounded by it in plan view

(Surrounded) space at least two around fixed bearing points 12 can be swiveled out of the curb Io, in a joint Pivoting plane moveable and with the ventilation dome (light dome) 11 articulated extension arms 13 mounted; the ventilation dome 11 is by means of these extension arms 13 with parallel displacement from the closed position steplessly into a partially open position (ventilation position) and into a complete, outside position dea curb Io laterally next to the same intended opening position (venting position) positively guided on a movement path.

The extension arms 13 can each be pivoted with one end about a bearing axis 12 in the curb basic form plane, preferably horizontal bearing axis 12 on the curb Io and with their other end around e nt in the ventilation dome basic form plane, preferably horizontal pivot axis running parallel to the axis 12 I ¹ I articulated m5 c connected to the ventilation dome 11; In the closed ventilation coupling position, the two bearing axles 12 lie in a cross-sectional half area of the curb Io in cross-sectional width at a distance from one another and the two pivot axles lh in the other cross-sectional half area in cross-sectional width are also spaced from one another. All four axes as hinge points 12, 13 extend on the corner points of a quadrilateral, preferably a parallelogram, and the two extension arms 13 lie in a common plane (vertical plane) which is angled, preferably perpendicular to the basic shape of the curb.

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The extension arms 13 are swiveled up about their bearing axis 12 into the open position by means of a compressive force, preferably spring force 22, whereby when the ventilation dome 11 is closed, the compressive force is again tensioned for reopening. In the closed ventilation coupling position, the extension arms 13, which are kept under tension for the opening movement, are indirectly locked. '' ■

To when opening the dome light 11 a braked Ausstellarmvers to achieve a deflection (to prevent jerky movement) and around the open dome light 11, back into the closed position To be able to move, the Ausstellarmpaar a pulling element 15, preferably a metal band (steel band) is assigned, which with one end on the dome light 11, especially in its cross-section « middle area, attacks and which is provided with its other end area windable on the curb Io.

At least in the two end areas of the cross-sectional extent of the curb Io there is a pair of extension arms

13 arranged, with each Ausstellarmpaar 13 a Zugoran 15 is assigned; the extension arm bearing axes 12 are in a cross-section half area at a distance one behind the other and the. The winding area of the Zugoi% nes 15 extends in the other Half of the cross-section of the curb Io. The tension member 15 preferably engages with its free end on the pivot axis

14 of the extension arm 13, which with its bearing axis 12 on furthest away from the rewinder calibration.

In the curb Io, a traverse 16 is attached for each extension arm pair 13, each of which consists of two webs that run parallel to each other and are fixed at both ends with fastening means such as screws 17 and a fastening strap 18 on the uexa curb Io on the inside and at a distance below the ventilation dome Io , preferably profiles, such as upstanding U-profiles, j between these two webs of the cross member 16 are the two extension arms 13 with bearing

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sleeves 19 around the bearing axles 12 fastened in the cross member 16 held pivotable. Furthermore, between the Traversenstecen 16 at a distance from the bearing axles 12 and outside the same a deflection element 2o, preferably a deflection roller, arranged for the steel strip. Here, the extension arms 13 extend close a crossbar 16 and the pulley 2o near the other crossbar 16, so that these two between the crossbars 16 moving arms 13 can move past the deflection roller 2o due to the lateral offset and also the steel belt 15 is disruptive freely moves past the arms 13.

In the lower area of the ventilation dome 11, which is placed on the curb Io in a sealed manner, a connecting profile 21, preferably a U-profile, is attached for each extension arm pair 13, in which the extension arms 13 with their pivot axis lh and the point of application of the pulling element 15 are fastened.

Each extension arm 13 is of an angular spar (rod or Tubular part) formed, the angular shape is selected so that the extension arms 13 over a side wall of the Can swivel over curb Io and thereby the ventilation dome 11 next to the curb Io in the open Be able to hold a position.

Around the bearing sleeve 19 of each extension arm 13 is a lifting element which swings up the arm 13 into the ventilation dome opening position preferably double leg spring, arranged, which deals with a Leg 22A on an abutment 23, such as web, of the deployment arm 13 and with its other leg 22b on an abutment 2 * 1, such as Cross piece that supports the cross member 16 and is tensioned during the ventilation dome closing movement.

In the end areas opposite the extension arm bearing axles 12 the crossbar 16 is a continuous winding shaft 25 running parallel to the bearing axes for winding and unwinding of the steel belts 15 is provided, which has lateral guide disks 25a in the region of each steel belt 15, which between the Traverse webs 16 are.

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One end of the cross members 16 extending over all Winding shaft 25 is equipped with a coupling part 26 on which a mechanical actuating device, such as a hand crank, hand wheel or the like, or a motorized actuating device, such as an electric motor, can be coupled.

In a preferred embodiment, as shown in FIGS. 2 and 3, it is on a traverse 16 in the region of the winding shaft 25, a bearing body 27 is attached, on which a transverse, preferably perpendicular, to the winding shaft 25 directed pivot axis 28, a bearing part 31 carrying a drive motor 29 with gear 3o is pivotably mounted; the Transmission 3o and the drive device 29 extend coaxially to the winding shaft 25 and the transmission shaft 3oa is with a coupling part 32 with the coupling part 26 of the winding shaft 25 releasably connected.

In the closed light dome position, there is a connection and this connection between the gear shaft 3oa and the winding shaft 25 is triggered by a release device arranged on the bearing part 31 33 fixed. The triggering device 33 is preferably a A destructible part 34, such as a glass vessel, is provided, which acts on a locking pin 35 which is supported on the cross member 16 and a pivoting of the gear 3o with drive 29 in the direction of the arrow according to Figure 2 for uncoupling (releasing the Winding shaft 25).

In the event of danger, for example from fire, this glass vessel 34 is activated by a firing pin 36 of the triggering device 33 destroyed, thus releases the locking bolt 35 and a pressure member 37 supported on the gear 3o and the cross member 16 » preferably compression spring, while pushing back the locking pin 35, the gear 3o with drive 29 is pivoted about the pivot axis 28, so that the coupling part 32 emerges from the winding shaft coupling part 32 and releases the winding shaft 25. , Now the tensioned springs 22 can extend the extension arms 13 around their ' Swivel the bearing axles 12 upwards and bring the ventilation dome 11 into the open position. The steel belt 15 brakes here the opening movement of the dome 11, so that it is opened gradually and evenly without sudden jerks.

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To close the ventilation dome 11, the gear 3o with Drive 29 is pivoted back about axis 28 against spring 37 and the two coupling parts 32, 26 engage one another again, with a new destructible part 34 at the same time is introduced into the release device 33, so that the locking pin 35 is unwanted pivoting (uncoupling) between the shafts 25 and .3oa prevented. Ilun can use the Drive motor 29 and the gear 3 ° the VJickelwelle 25 are rotated again, so that the unwound steel strips 15 wind up on the shafts 25 and the ventilation dome 11 in return to the closed position.

For ventilation, the drive motor 29 is put into action without decoupling, which then drives the shaft via the gear 3o 25 is twisted and the steel straps 15 that become loose in the process allow the arms 13 to be pivoted by their springs 22 to open them the dome 11, which can be continuously moved into any desired opening position.

Instead of the electric motor 29 or in the event of a power failure or during the assembly of the device, a V / ellenstump 3ob of the gearbox directly or with the interposition of a gearbox part, a hand crank can be placed so that the Transmission 3o and thus the winding shaft 25 operated manually can be.

This stub shaft 3ob extends transversely or as an extension of the transmission shaft 3oa and is through a recess in the curb Io from the outside for placing the manual control part borrowed.

The destructible part 3 * 1 is preferably a glass vessel, which; s by a magnetically held and aromatic in the event of a power failure moving or electrically controllable firing pin 36 can be destroyed. But it can also be a part of it

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on heat, smoke or the like. appealing part as a backup in the Use triggering device 33, which is then automatically destroyed at a certain temperature or if smoke is generated and then the locking pin 35 for the pivoting 'of the gear motor 29.3o no longer applied. Through the gear 3o connected to the shaft 25, the ventilation dome 11 is in locked in the closed position. '.

The ventilation dome 11 is seated in a preferred embodiment from two shells 38 arranged one above the other at a distance Plastic, and two these two shells 38 holding together at their peripheral edge area with the interposition of seals 39 Profiles 4o, 4l together, which are joined together by welding, riveting, screwing or the like. are connected.

The lower profile 41 is designed angled several times in in cross-section and carries peripherally a is Issuing on the curb-top (spur gear) seal 42, preferably double-lip seal forms a condensation water _t groove 43 and has V / ater-discharge openings 44th The other, upper profile 4o is formed by an angle and covers the lower profile 4l and the upper edge area of the curb lo.

The steel strips 15 hold due to their favorable point of attack in the middle of the ventilation dome 11, this is safely aif the top of the curb over its full circumference and leave no unintentional lifting (forcibly by hand or by wind).

An additional lock between ventilation dome 11 and curb Io in the closed position can, as in Fig. 5 shown by a provided on the profile 4o Locking projection 45 and one arranged on the curb Io Retaining web 46 can be reached; these two locking parts 45 »46, which are behind each other in the closed state, are in the

the winding shaft 25 opposite area of the device: provided and are designed so that when opening and Closing the ventilation dome 11, the locking projection 45 slide away from the retaining projection 46 or reach behind without any problems can. 409825/054 2

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The curb Io has one made of plastic, one Mounting flange 47a and one provided at a distance therefrom

Casing 47 made of plastic and having drip edge 47b, in which On the flange side an insert 48 made of heat-insulating material, such as plastic, in particular hard foam, and on the drip edge side one made of a solid (harder) material such as wood or the like. existing insert 49 are arranged - the fixed insert 49 enables the crossbars 16 and the holding part to be attached 46 by means of screws or can also be a swivel connection (Hinge attachment) for a pivotable ventilation dome 11, which can be read on the same curb Io.

When the ventilation dome 11 is opened, the dome 11 swivels supporting arms 13 around their bearing axes 12 on a circular movement path and hold the ventilation dome 11 with their lower surface that sits on the wreath Io in at least one almost constant position (level) - the ventilation dome 11 is operated by parallel displacement when it is kept in a horizontal position raised and then moved to the side next to the curb Io and there outside the curb (Fig. 4) held in the fully open position so that the passage area is completely released.

In the completely open dome light position (Fig. 4) are the two arms 13 of each pair of exhibitors partially on top of each other and each other. In order to prevent the ventilation dome 11 from swiveling back into the closed position due to external influences, like wind, to avoid the two arms 13 of each pair can be locked against each other. According to Figure 6 is on the one arm 13 a clamp-like (resilient) locking part 5o, preferably a locking or clamping clip, is attached into which the other Arm 13 engages and is secured against pivoting up. At Zuij the steel belts 15 this locking connection is released again. Instead of the clamp 5o can also be provided as a locking part, a pawl, which is supported on one arm 13 and the other partially overwhelmed or enclosed in the other.

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About inequalities within the steel strips 15 or their movements To be able to compensate, it is preferred to fit into each steel band 15 or in the attack area of each steel band 15 on the ventilation dome 11 a length compensation device 51, such as a tension spring, turnbuckle or the like. to use.

The ventilation dome 11 is opened in a preferred manner always by the pretensioned springs 22 and the spring-loaded extension arms 13 are in the closed position by the gear or other suitable means.

via manual, thermal or electrical facilities a release of the extension arms 13 can be achieved in the event of danger, so that they can pivot upwards into the open position by their springs 22 and fully open the ventilation dome 11. To ventilate the dome 11, the extension arms 13 can be used indirectly with pneumatic, electric, hydraulic or manual devices, such as the electric motor 29 or a hand crank or a pressure medium cylinder, so that 'here without any action the triggering device 34 a stepless opening of the Dome 11 is possible in the desired opening size.

Depending on the length of the ventilation dome 11, more than two pairs of extension arms 13 can also be arranged in the curb Io.

Instead of the steel band as a pulling element 15 is also a Plastic strips, a rope, a chain or the like can be used.

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Claims (1)

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Patent to sayings Device for ventilating and ventilating building spaces, with one on a curb in the opening and Closing position movably arranged ventilation dome (flap), characterized in that on the curb within the passage opening (free cross-section) at least two around fixed bearing points from the curb pivoting out, movable in a common pivot plane and articulated to the ventilation dome are stored, and the ventilation dome by means of these extension arms with parallel displacement from the closed position into the complete one provided outside the curb passage opening on the side next to the curb lying open position is positively guided steplessly movable on a trajectory. Ventilation device according to claim 1, characterized in that the extension arms (13) are each held with one end on the curb (Io) so as to be pivotable about a bearing axis (12) lying in the basic shape of the curb, and with their the other end are connected to the ventilation dome ( ^{11) in an articulated manner around a pivot axis (I 1} O) running parallel to the bearing axis (12) and the two bearing axes (12) with the two in a cross-sectional half area of the curb (Io) at a distance from one another ^{other pivot axes (I 1} I) arranged at a distance from one another in the opposite cross-sectional half area of the ventilation dome (11) are arranged on the corner points of a quadrilateral, preferably a parallelogram, and the display arrays (13) in a common, angled, preferably right-angled to the curb basic shape; lie level (in a vertical ii / oene ■). 4 fj H 8 2 5 / Π Ei U BATH ORIQINAL. Ventilation device according to claim 1 and 2, characterized in that the extension arms (13) of in the longitudinal direction angular, in the open ventilation dome position an upstand side wall covering and in the closed ventilation dome position ' formed at least almost within the height extension of the curb, preferably pipe or rod parts are. i \. Ventilation device according to claims 1 to 3, characterized by an on the curb (Io) provided on - unc unwindable and on the ventilation dome (11), preferably in its central cross-sectional width range, braking the ventilation stick (11) in the opening movement and The agorgan (15) which brings back the closing movement »preferably metal band (steel band). Ventilation and ventilation device according to claims 1 to 4, characterized in that each extension arm (13) with_ein « • m. effect its pivoting into the open position, in the closed position held under tension pressure part is connected as a lifting element (22). Ventilation device according to claims 1 to 5 _9, characterized in that at least in the two end regions of a cross-sectional extension of the curb (Io) a pair of extension arms (13) with their bearing axis (12) at a distance one behind the other in the direction of the other curb Cross-sectional extension are arranged and each pair of extension arms (13) is assigned a pulling element (15), which is preferably in the pivot axis (14) of the extension arm (13) adjacent to its bearing axis (12) of an upstand: - wall on the ventilation dome (11) attacks. 40 9825/0 54 2 Ventilation device according to claims 1 to 6, characterized in that in the curb (Io) below its end face, which supports the ventilation dome (11) in the closed position, for each extension arm pair (13) one formed from two parallel spaced apart profiles (webs) Traverse (16) is arranged, which at both ends by screw connections (17, 18) on the curb (Io) is set and between their two stems the two extension arms (13) each with a bearing sleeve (19) around one in the traverse (16) fixed bearing axis (12) pivotable and at a distance from and outside the bearing axes (12) a deflection element (2o), preferably a deflection roller, for the pulling element (15), the deflection roller (2o) and the extension arms (13) laterally ve-r against each other sets lie or move in the traverse (l6). Ventilation device according to claims 1 to 7, characterized in that in the lower, on the Curb (lo) all around sealed overlay area the ventilation dome (11) for each extension arm pair (13) a connecting profile (21), preferential prices U-profile, is attached, in which the extension arms (13) are articulated with their pivot axis (1 * 4). Ventilation device according to claims 1 to 8, characterized in that a spring, preferably a Jüoppel leg spring (helical spring) is arranged as a lifting element (22) around each bearing sleeve (VJ) of the extension arms (13), which spring is arranged with a leg (22a) on an abutment (23) of the extension arm (13) and with its other leg (22b) on an abutment of the cross member (16) and receives its tension during the ventilation dome closing movement. - 17 409825/054 - 17 -. lo. Ventilation device according to claims 1 to 9, characterized in that in the end area opposite the extension arm bearing axles (12) Traverses (Io) one both or all of the traverses (16) continuously extending through and receiving the tension member (15) and dispensing winding shaft (25) is rotatably mounted, which at one end with a coupling part (26) for connection with a mechanical actuation device, such as a hand crank, or a motorized actuation device (29), like electric motor. 11. Aeration and ventilation device according to claims 1 to lo, characterized in that on a traverse (16) in the Ber rich of the winding shaft (25) a bearing body (27-) is attached to which a transverse, preferably perpendicular swivel axis (28) directed towards the winding shaft (. 25) a gear (3o) connected to a drive motor (29) is mounted pivotably in the base shape plane of the curb is, and the transmission (3o) with one on his coaxially to the winding shaft (25) running gear shaft (3oa) arranged coupling part (32) in the winding shaft coupling part (26) and in the Ventilation dome closed position by a triggering device that interacts with the crossbeam (zl6). (33) »as on a destructible part (3 * 0, for example Glass vessel, held in the coupled position and when the locking bolt is released by the destroyed part (34) of the Release device (33) by means of a compressive force, preferably a zig-zag traverse (16) and gear (3o) supporting compression spring (37) for the pivoting arm pivoting can be uncoupled. 12.De- and ventilation device according to claims 1 to 11, characterized in that on one of the two extension arms (13) of each pair one of the two arms (13) in the full-40982 5/054 2
- 18 - - ίο -. come open position against unintentional closing mutually locking device (5o), such as box clamp, pawl or the like. , is arranged. ' 13. Ventilation device according to claims 1 to 12, characterized ^ that each pulling element (15) with a length compensation device (51), v / ie tension spring, turnbuckle or the like is equipped, which is preferably in the attack area of the pulling element (15) on the ventilation dome (11) extends. 14. Aeration and ventilation device according to claims 1 to 13, characterized in that the ventilation dome (11) at least one, preferably two spaced one above the other and with their circumferential edge area below Interposition of seals (39) between two circumferential and interconnected, a frame-forming profiles (4o, 4l) held plastic shells (38) and has a profile (4l) which is angled several times in its cross-section and which extends onto the surface rim (Io) overlying seal (42), preferably a double lip seal, forms a condensation water chamber (43) and water drainage openings (44) and the other, in cross-section angular profile (4o) the aforementioned profile (41) and the curb (Io) in the ventilation dome side Hand area covered. 15. Ventilation device according to claims 1 to 14, characterized in that on the ventilation dome (11) at their angle profile (4o) in which the Ausstellarrü bearing axes (12) adjacent area a locking projection (45) is provided, which is in the closed ventilation - 19 - 8AD ORIGINAL 409825/0542 dome position behind one attached to the curb (Io) and an unintentional lifting of the Lüftungskuppql (11) preventing holding part (46) summarizes. 16. Ventilation device according to claims 1 to 15, characterized in that the curb (Io ') has a plastic' existing, a mounting flange (47a) and a spaced intended to T ^v ropfkante (47b) having casing (47 ) has, in which a flange-side, made of a heat-insulating material such as plastic, (hard foam) existing and a drip edge side, made of wood or the like. formed insert (48 ₃ 49) are arranged. AQ5825 / 05