EP2772700A1 - Ventilation air guidance grille for arrangement in an air intake and/or in an air outlet of an air conditioning and ventilation system - Google Patents

Abstract

The ventilation air guiding grid has frame sections (1) which are spaced apart and are arranged opposing each other. Two air deflectors (2) are mounted on the frame sections and mutually positioned in parallel, where the ends of the air deflectors are rotatable about its respective axis of rotation. The deflectors are connected via a coupling element such that interconnection position of the deflectors is varied upon displacement of the coupling element.

Description

The invention relates to a ventilation air control grille for arrangement in an air inlet and / or in an air outlet of a climate and air conditioning system, comprising on the one hand a frame having at least two frame sections, which are arranged at a distance from each other and opposite parallel and in particular fixed against each other on the other hand, at least two mutually parallel Luftlenklamellen, wherein the ends of the Luftlenklamellen are rotatably mounted about their respective axis of rotation at the two frame portions.

In the case of ventilation air deflectors known from practice, each individual air deflector must be manually adjusted. The adjustment is so costly. Also, it is not always possible to achieve an optimal course of flow, which may already be due to a slight misalignment of a louver.

The object of the invention is to avoid the aforementioned disadvantages and to provide a ventilation air control grille, which allows easy adjustment of the Luftlenklamellen.

This object is achieved in that at least two Luftlenklamellen, preferably all Luftlenklamellen are connected via a coupling element such that upon displacement of the coupling element, the position of all interconnected via this coupling element Luftlenklamellen is equally changed.

A ventilation baffle is understood to mean a ventilation air baffle that serves only to deflect an air flow and not to throttle it or shut off an air flow. In that regard, an inventive Lüftungsumlenkgitter represents a terminal component, which is installed, for example, in a room-side wall opening for the purpose of removal or the supply of room air. The front or visible side is visible from the room. On the back, which is not visible, usually connects an air duct of the air conditioning and ventilation system.

The distance of the axes of rotation of two adjacent Luftlenklamellen is preferably less than the width of the Luftlenklamellen, so that comes in the maximum inclination of the edge region of one of the two adjacent Luftlenklamellen with the edge region of the other adjacent Luftlenklamelle in contact.

The Luftlenklamellen and / or the frame sections may for example consist of steel, plastic, aluminum or other suitable material. The distances between the axes of rotation of adjacent Luftlenklamellen are preferably the same. Also, the air baffles have identical cross-sectional areas.

The ventilation air deflector according to the invention in this respect has symmetrically arranged, adjustably mounted and coupled Luftlenklamellen. At least two Luftlenklamellen are interconnected by the coupling element. Thus, a simultaneous adjustment of several interconnected Luftlenklamellen by moving a Luftlenklamelle in the installed state without auxiliary tool is possible. Of course, a separate, connected to the coupling element actuating element may be provided, which preferably in the assembled state of the ventilation Luftlenkgitters, i. out of the room, is operable.

The inventive ventilation air control grille has a small gap between the ends of the air deflection blades and the adjacent frame sections in the field of view, i. in the front, for high visual demands. A powder coating in fully assembled condition is possible. The coupling element, which is designed, for example, as an adjustment rail or rod, is not in the field of view, i. in the area of the front, arranged.

At least one coupling element can act directly or indirectly on the axes of rotation of the coupled together Luftlenklamellen.

Alternatively, at least two mutually coupled Luftlenklamellen have at least one end in each case an actuating portion which cooperates with the associated coupling element.

The actuation areas may be formed, for example, as a recess in the Luftlenklamme. The coupling element has in such a configuration corresponding Projections, wherein each projection cooperates with the corresponding opening. Of course, it is also possible that the coupling element has, for example, slots, wherein each slot surrounds an edge of a Luftlenklamelle.

Each actuation region can be designed as a protruding pin-like protrusion, seen in the longitudinal extent of the air deflecting blade, in particular eccentrically arranged on the cross-sectional surface of the air deflecting blade, and the associated coupling element can have a number of protrusions corresponding to the number of protrusions. A recess may be a hole which is introduced, for example, in a coupling element designed as a rail. A recess can also consist of two spaced-apart regions, which have a frontal insertion opening and engage around the projection laterally.

The protrusion may be located eccentrically with respect to the width of the cross-sectional area, with respect to the height of the cross-sectional area and / or with respect to the width and the height of the cross-sectional area. As a coupling element, for example, offers a rod or a guide rail.

The diameter of at least one recess may be slightly smaller than the diameter of the corresponding projection. As a result, a certain clamping is achieved, so that the Luftlenklamellen can not move unintentionally. For such an embodiment, for example, the projection is designed to be elastic to a certain extent.

At least one recess may have a frontal insertion opening, in particular for latching reception of the corresponding projection, wherein the width of the insertion opening is slightly smaller than the largest width of the projection. In order to enable insertion, in such an embodiment, at least the recess or at least the projection or both the recess and the projection is (are) slightly resilient to some extent.

At least one projection may have a C-shaped cross section with an insertion slot and an internal cavity, and the corresponding recess may have an internal cavity and a mandrel therein, wherein upon insertion of the projection into the recess, the mandrel in turn through the insertion slot into the internal cavity of Projection is feasible, so that in the inserted state, the mandrel is arranged in the inner cavity.

The recess may be formed as a bearing shell for a projection having a c-shaped cross section, wherein the recess has an inner cavity and a frontal insertion opening for insertion of the projection, wherein the width of the frontal insertion opening is slightly smaller than the largest width of the c-shaped cross section is and further wherein the mandrel along its height is formed so wide that the frontal insertion opening when inserting the c-shaped cross section in the bearing shell can spring inwards and wherein the mandrel is further formed so that the mandrel in a tilted position of the Luftlenklamelle the C-shaped cross section locked. As a result, in addition to the positive connection between the recess and the projection, a locking in the inclined position of the air deflecting blade is achieved. The spine locks in the inclined position of the Luftlenklamelle in the projection and thus prevents jumping out of the coupling element.

At least one Luftlenklamelle, preferably all Luftlenklamellen, may be formed as a hollow profile.

At least one end of at least one Luftlenklamelle may be provided a separate end piece, on which the axis of rotation and / or the projection is (are) provided. The separate end piece can be plugged or plugged into the Luftlenklamelle. It is preferably made of an electrically conductive and temperature resistant material, e.g. Plastic. This also allows a powder coating. By the end pieces, for example, the use of Luftlenklamellen of hollow sections is possible because then the ends are closed and meet the Luftlenklamellen the hygienic requirements.

The frame may have four peripheral frame sections, wherein, in particular, an outwardly pointing leg is provided on the edge of the at least one frame section facing the room. In the assembled state, the outwardly facing leg is in contact with the front side of the substrate, for example a wall. It also serves to limit the installation depth of the frame.

At the edge of the space facing edge of at least one frame portion may be provided an inwardly facing leg. By such an inwardly facing leg, the gap between the end of a Luftlenklamelle and the frame can be reduced. At the same time, an inward pointing leg may conceal one behind arranged coupling element and the corresponding operating areas, so that this area is not visible from the front side of the ventilation air control grille.

Each axis of rotation can be set back at least by such an amount relative to the general extent of the front side of the ventilation Luftlenkgitters backwards, which corresponds to the distance between the center of the axis of rotation and one of the two longitudinal edges of a Luftlenklamelle. Thus, the Luftlenklamellen are not in front of the front of the ventilation air deflector in its open position.

In each Luftlenklamelle at least one end portion with its transverse edges may be divided into two partial regions T1, T2, the different extent projecting seen in the longitudinal direction, wherein in the less far protruding portion T2 of the actuating portion and / or the coupling element is (are), and wherein In particular, furthermore, the less far-protruding subregion T2 faces away in the open position of the air deflection blades of the front side of the ventilation air guidance grille. If an end piece is provided, the tail can also be designed accordingly. If the less far projecting portion T2 faces away in the open position of the Luftlenklamellen the front side of the ventilation Luftlenkgitters, / the coupling element and / or the operating area in the open position of the Luftlenklamellen is no longer visible from the front. Despite a narrow edge gap between the end of a Luftlenklamelle and the adjacent frame portion in the open state of the Luftlenklamellen allows the structural design of the ventilation Luftlenkgitters even when fully assembled, a powder coating.

On the front side of the frame, at least one, in particular the storage of Luftlenklamellen concealing, aperture can be reversibly plugged. As a result, for example, hidden screw fasteners of the ventilation air control grille are possible. Preferably, at least one aperture is reversibly attachable to the frame by a clip. By replacing a bezel, a design change can also be made retrospectively without the ventilation air control grille having to be replaced.

The distance between the two opposite, the ends of the Luftlenklamellen superimposed frame sections may be smaller in the region of the front side of the ventilation-Luftlenkgitters than in the region facing away from the front of the ventilation-Luftlenkgitters area, i. in the region of the rear side, and the coupling element and / or the actuating region can (can) be arranged in the region facing away from the front side of the ventilation air deflector. Thus, each appropriately trained frame section forms a kind of stage. The coupling element is in the region of the area facing away from the front of the ventilation air control grille, i. arranged in the area of the back, and is thus not visible from the front. Despite a narrow edge gap between the end of a Luftlenklamelle and the adjacent frame section a powder coating is possible even in the open state of the Luftlenklamellen in the fully assembled state of the ventilation air steering grille.

The cross-section of at least one Luftlenklamelle, preferably all Luftlenklamellen, mirror-symmetric, in particular almond-shaped, be formed. Corresponding air baffles are aerodynamically designed. There are also equal inflow conditions in the supply and exhaust air operation.

The axis of rotation of each Luftlenklamelle can be arranged centrally with respect to the cross-sectional area of the Luftlenklamelle. The central arrangement may refer to the width of the air baffle, to the height of the air baffle or to the width and height of the air baffle.

At least one axis of rotation can be quadrangular, in particular conically tapering towards its free end, and the corresponding frame-side bearing can have a round cross-section.

Fig. 1

eine schräge Draufsicht auf ein erstes Ausführungsbeispiel eines erfindungsgemäßen Lüftungs-Luftlenkgitters,

Fig. 2

eine schräge Draufsicht auf ein zweites Ausführungsbeispiel eines erfindungsgemäßen Lüftungs-Luftlenkgitters,

Fig. 3 a+b

den Gegenstand nach Fig. 2 in der Draufsicht ohne bzw. mit montierten Blenden,

Fig. 4

einen Schnitt durch den Gegenstand nach Fig. 2 orthogonal zur Längserstreckung der Luftlenklamellen,

Fig. 5

einen Schnitt durch einen Rahmenabschnitt des Gegenstands nach Fig. 2,

Fig. 6

einen Schnitt durch einen Rahmenabschnitt, wobei der Spalt zwischen den Luftlenklamellen und dem Rahmenabschnitt im Bereich der Frontseite des Lüftungs-Luftlenkgitters kleiner als im Bereich der Rückseite ist,

Fig. 7

einen Schnitt durch den Gegenstand nach Fig. 6 in Längserstreckung der Luftlenklamellen gesehen,

Fig. 8

einen Schnitt durch einen Rahmenabschnitt, wobei die Luftlenklamelle so ausgebildet ist, dass die Querkante zumindest eines Endes in zwei Teilbereiche T1 und T2 unterteilt ist, die von der Längsrichtung gesehen unterschiedlich weit vorstehen,

Fig. 9 a-c

den Einführvorgang eines Vorsprungs in eine Ausnehmung und

Fig. 10

ein Endstück im vergrößerten Maßstab.

Embodiments of the invention illustrated in the drawings are explained below. Show it:

Fig. 1

an oblique top view of a first embodiment of a ventilation air control grille according to the invention,

Fig. 2

an oblique top view of a second embodiment of a ventilation air control grille according to the invention,

Fig. 3 a + b

the object after Fig. 2 in plan view without or with mounted panels,

Fig. 4

a section through the object after Fig. 2 orthogonal to the longitudinal extent of the Luftlenklamellen,

Fig. 5

a section through a frame portion of the article after Fig. 2 .

Fig. 6

a section through a frame portion, wherein the gap between the Luftlenklamellen and the frame portion in the region of the front side of the ventilation-air control grille is smaller than in the region of the back,

Fig. 7

a section through the object after Fig. 6 seen in the longitudinal extension of the air baffles,

Fig. 8

a section through a frame portion, wherein the Luftlenklamelle is formed so that the transverse edge of at least one end is divided into two partial regions T1 and T2, which protrude differently far as seen from the longitudinal direction,

Fig. 9 ac

the insertion of a projection into a recess and

Fig. 10

an end piece on an enlarged scale.

In all figures the same reference numerals are used for identical or similar components.

In the Fig. 1 to 4 Ventilation air control grille are shown having a frame, each comprising four frame sections 1. In the frame according to the embodiment Fig. 1 nine and in the embodiment according to Fig. 1 eight parallel arranged Luftlenklamellen 2 rotatably supported about their respective axis of rotation 3 on two opposite frame portions 1.

The Fig. 1 to 4 show the front of the ventilation air control grille, which is visible from one room. At the edge facing the space of each frame portion 1, an outwardly facing leg 4 is provided, which rests against the front side, not shown, for example, a wall.

As can be seen from the figures, each axis of rotation 3 is set back at least by an amount relative to the general extent of the front side of the ventilation air deflector, which corresponds to the distance between the center of the axis of rotation 3 and one of the two longitudinal edges of a Luftlenklamelle 2. Thus, the Luftlenklamellen 2 are in front of the front not opposite the frame in the open position.

In the in the Fig. 2 to 5 illustrated embodiment are clipped onto the front side of the frame panels 5. In the illustrated embodiment, four the frame sections 1 and to that extent the storage of Luftlenklamellen 2 concealing aperture 5 and a centrally disposed, the Luftlenklamellen 2 dividing into two groups aperture 5 is provided. Each panel 5 has at least one clip 6 on the back, which can be clipped into a corresponding rail 7, which may be part of this frame section 1, for example in the case of a frame section 1.

Such as the Fig. 7 can be seen, the Luftlenklamellen 2 are symmetrical and almond-shaped and formed as a hollow profile. In the free end is a tail 8 plugged. The end piece comprises in the illustrated embodiments, the rotation axis 3, which is mounted in the corresponding frame portion 1, and a projection 9. This projection 9 forms the actuating portion with which a coupling element 10 cooperates.

An embodiment of a coupling element 10 is for example in Fig. 7 shown. The coupling element 10 may be formed, for example, as a rod. By means of the coupling element 10, all the air deflecting blades 2 interconnected via this coupling element 10 are adjusted to the same extent during the adjustment of an air deflecting blade 2.

at Fig. 1 are all nine Luftlenklammelen 2 connected via a coupling element 10 with each other. In Fig. 2 two groups are subdivided by an aperture 5 provided on Luftlenklamellen 2, wherein preferably each group is assigned a separate coupling element 10. Thus, the Luftlenklamellen 2 of a group may have a different orientation than the Luftlenklamellen 2 of the other group.

It is possible, for example, that each actuation region of an air baffle 2 is designed as a hole. In this hole engages a projection, which is then attached to the coupling element 10.

For example in Fig. 6 a reverse arrangement is shown. Here, the actuation region is designed as a pin-like projection 9 projecting in the longitudinal direction of the air deflecting blade 2. The coupling element 10, which is not shown in detail, has a number of recesses 11 corresponding to the number of projections 9.

Each projection 9 is arranged off-center with respect to the cross-sectional area of the air deflecting blade 2. The rotation axis 3 is arranged centrally with respect to the Luftlenklamelle 2. But it is also an eccentric arrangement of the rotation axis 3 possible.

The exact configuration of a projection 9 and a recess 11 are in particular in the Fig. 9 ac to see. Each recess 11 is formed by two spaced-apart regions 12, 13 which form a frontal insertion opening 14, wherein the width of the insertion opening 14 is slightly smaller than the largest width of the projection 9 to be introduced.

Each projection 9 has a c-shaped cross section with an insertion slot 15 and an internal cavity 16. In the recess 11, a mandrel 17 is provided, which can be guided during insertion of the projection 9 through the insertion opening 14 in the inner cavity 16 of the projection 9. In the inserted state, the mandrel 17 is located in the inner cavity 16.

Each recess 11 is formed in this respect as a bearing shell for a projection 9 with a c-shaped cross-section, wherein the recess 11 has an inner cavity 11 a and the frontal insertion opening 14 for insertion of the projection 9. The width of the frontal insertion opening 14 is slightly smaller than the largest width of the C-shaped cross section. The mandrel 17 is formed so wide along its height that the frontal insertion opening 14 can spring inwardly during insertion of the c-shaped cross section into the bearing shell. Furthermore, the mandrel 17 is formed so that the mandrel 17 locks in a tilted position of the Luftlenklamelle 2, the C-shaped cross-section. For example, in the embodiment according to Fig. 6 is the distance between the two opposite, the ends of the Luftlenklamellen 2 overlapping, frame sections 1 in the region of the front side of the ventilation Luftlenkgitters smaller than in the region of the back. The coupling element 10 and the actuating regions are arranged in the region facing away from the front side of the ventilation air deflector, ie in the region of the rear side, so that in this way this region is not visible from the front side.

At the in Fig. 8 illustrated embodiment and in the illustrated position of the Luftlenklamellen 2, the operating areas by the particular embodiment of the Luftlenklamellen 2, as they are in Fig. 8 is shown, even hidden. Here, the end of a Luftlenklamelle 2, on which a coupling element 10 is arranged, divided by its transverse edges into two subregions T1 and T2, which protrude different distances seen in the longitudinal direction. In the less far protruding portion T2 of the operating area and the coupling element 10 are arranged, wherein the less far projecting portion T2 faces away in the open position of the Luftlenklamellen 2 of the front side of the ventilation air steering grille.

A possible embodiment of the rotation axis 3 is in Fig. 10 shown. The axis of rotation 3 is quadrangular and tapers towards its free end. The corresponding frame-side storage has a round cross-section. Thus, the rotation axis 3 comes into contact with the frame-side mounting only at four points.

The particular embodiment of the ventilation air control grille invention allows easy adjustment The Luftlenklamellen 2. Thus, only one Luftlenklamelle 2 must be taken and rotated to the desired extent, so that then automatically all Luftlenklamellen 2, which are connected via a coupling element 10 with this Air Blade 2 in question, are rotated with.

Claims (19)

Ventilation air control grille for arrangement in an air inlet and / or in an air outlet of a climate and air conditioning system, comprising on the one hand a frame having at least two frame sections (1), which are arranged at a distance from each other and opposite and are in particular fixed against each other, and secondly at least two air deflecting blades (2) arranged parallel to one another, the ends of the air deflecting blades (2) being mounted rotatably about their respective rotational axis (3) on the two frame sections (1), characterized in that at least two air deflecting blades (2), Preferably all Luftlenklamellen (2) are connected via a coupling element (10) such that upon displacement of the coupling element (10) the position of all interconnected via this coupling element (10) Luftlenklamellen (2) is equally variable. Ventilation air deflector according to the preceding claim, characterized in that at least one coupling element (10) acts directly or indirectly on the axes of rotation (3) of the coupled together Luftlenklamellen (2). Ventilation air deflector according to one of the preceding claims, characterized in that at least two mutually coupled Luftlenklamellen (2) at least one end each have an actuating portion which cooperates with the associated coupling element (10). Ventilation air-deflector according to the preceding claim, characterized in that each actuation region is designed as a protrusion (9) projecting in the longitudinal direction of the air deflector blade (2) and being associated eccentrically with respect to the cross-sectional surface of the air deflector (2) Coupling element (10) has a number of projections (9) corresponding number of recesses (11). Ventilation air deflector according to the preceding claim, characterized in that the diameter of at least one recess (11) is slightly smaller than the diameter of the corresponding projection (9). Ventilation air deflector according to one of claims 4 or 5, characterized in that at least one recess (11) has a frontal insertion opening (14), in particular for latching receiving the corresponding projection (9), wherein the width of the insertion opening (14) something smaller than the largest width of the projection (9). Ventilation air deflector according to one of claims 4 to 6, characterized in that at least one projection (9) has a c-shaped cross section with an insertion slot (15) and an inner cavity (16) and that the corresponding recess (11) has an inner cavity (11a) and having a mandrel (17) therein, wherein upon insertion of the projection (9) into the recess (11) of the mandrel (17) in turn through the insertion slot (15) into the inner cavity (16) of the projection (9) is feasible, so that in the inserted state, the mandrel (17) in the inner cavity (16) is arranged. Ventilation air deflector according to the preceding claim, characterized in that the recess (11) is designed as a bearing shell for a projection (9) with a c-shaped cross section, wherein the recess (11) has an inner cavity (11a) and a frontal insertion opening (14) for inserting the projection (9), wherein the width of the frontal insertion opening (14) is slightly smaller than the largest width of the c-shaped cross section, and further wherein the mandrel (17) is formed so wide along its height that the frontal insertion opening (14) when inserting the c-shaped cross section in the bearing shell can spring inwards and wherein the mandrel (17) is further formed so that the mandrel (17) in a tilted position of the Luftlenklamelle (2) the c-shaped Cross section locked. Ventilation air deflector according to one of the preceding claims, characterized in that at least one Luftlenklamelle (2), preferably all Luftlenklamellen (2), is designed as a hollow profile (are). Ventilation air deflector according to one of the preceding claims, characterized in that at least one end of at least one Luftlenklamelle (2) is provided a separate end piece (8) on which the axis of rotation (3) and / or the projection (9) is provided ( are). Ventilation air deflector according to one of the preceding claims, characterized in that the frame has four peripheral frame sections (1), wherein in particular on the edge of the space facing edge of at least one frame portion (1) an outwardly facing leg (4) is provided. Ventilation air deflector according to one of the preceding claims, characterized in that on the edge facing the space of at least one frame portion (1) is provided an inwardly facing leg. Ventilation air deflector according to one of the preceding claims, characterized in that each axis of rotation (3) is set back at least by such an amount relative to the general extent of the front side of the ventilation Luftlenkgitters backwards, the distance between the center of the axis of rotation (3) and one of the two longitudinal edges of a Luftlenklamelle (2) corresponds. Ventilation air deflector according to one of claims 3 to 13, characterized in that at each Luftlenklamelle (2) at least one end region is divided with its transverse edges into two subregions (T1, T2), which protrude different distances seen in the longitudinal direction, wherein in the less far projecting portion (T2) of the actuating portion and / or the coupling element (10) is arranged, and wherein in particular further less projecting portion (T2) in the open position of the Luftlenklamellen (2) facing away from the front side of the ventilation air deflector , Ventilation air deflector according to one of the preceding claims, characterized in that on the front side of the frame at least one, in particular the storage of Luftlenklamellen (2) concealing, aperture (5) is reversibly attachable. Ventilation air deflector according to one of the preceding claims, characterized in that the distance between the two opposite, the ends of the Luftlenklamellen (2) overlapping frame sections (1) in the region of the front side of the ventilation Luftlenkgitters smaller than in the region of the front of the ventilation Luftlenkgitters is remote area and that the coupling element (10) and / or the operating areas in the front side of the ventilation air deflector facing away from the area is arranged. Ventilation air deflector according to one of the preceding claims, characterized in that the cross section of at least one Luftlenklamelle (2), preferably all Luftlenklamellen (2), is mirror-symmetrical, in particular almond-shaped. Ventilation air deflector according to one of the preceding claims, characterized in that the axis of rotation (3) of each Luftlenklamelle (2) is arranged centrally with respect to the cross-sectional area of the Luftlenklamelle (2). Ventilation air deflector according to one of the preceding claims, characterized in that at least one axis of rotation (3) is quadrangular, in particular tapering conically towards its free end, and that the corresponding frame-side bearing has a round cross-section.

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