DE102010024527A1 - Adjustable cooler grill arrangement for internal combustion engine of passenger car, has frame assembly connected with body of vehicle and comprising frame portion with front side at which seal for attachment at body is fixed - Google Patents

Abstract

The arrangement (20) has an air duct (31) through which an air stream (18) for a radiator (14) is guided, and an elastically expandable hose element (28) into which fluid is fed for changing volume (30) of the element between open and close volumes to open and close the air duct, respectively. The hose element is supported at a frame assembly (22) that is connected with a body (12) of a vehicle. The frame assembly includes a circumferential frame portion (24) comprising a front side at which a seal (26) for attachment at the body is fixed. The frame portion is formed as a plastic component.

Description

The present invention relates to an adjustable grill assembly for a motor vehicle, having at least one air duct, through which an air flow for a radiator can be performed, with at least one elastically expandable hose member into which a fluid is inserted to its volume between an open volume to Opening the closing channel and a closing volume to close the air channel to change, wherein the hose member is mounted on a frame assembly which is connectable to a body of the vehicle.

Such an adjustable radiator grill arrangement for a motor vehicle is known, for example, from the document DE 10 2006 021 173 A1 ,

In the course of stricter regulations regarding the emission standards and climate protection, it is necessary to carry out structural measures not only on the engines of motor vehicles, but also in the directly adjoining environment. Thus, measures to isolate the engines are provided, which significantly reduce the warm-up phase of internal combustion engines. Furthermore, work is being done on solutions that improve the aerodynamic properties of motor vehicles. Another aspect is the reduction of the noise level resulting from a closed engine compartment.

In vehicles, a large effect in the area of the radiator grille can be achieved. For example, it has been shown that a closed grille can bring significant improvements in the CW value.

In the document mentioned above DE 10 2006 021 173 A1 It is proposed to control the air flow through an opening provided in the front region of a motor vehicle by means of inflatable air cushions. The air cushion can be, for example, a rubber hose, which is clamped between a forward facing decorative web and a central web or a central web and a Fixiersteg.

When the internal combustion engine of the motor vehicle has reached its operating temperature, a pump completely pumps air out of the rubber hose, so that the full air flow is available for cooling the internal combustion engine.

From the document DE 195 16 942 A1 is a device for foreclosure of such an air passage opening by means of a bellows or tubular element known.

Further, the document discloses DE 10 2008 006 020 A1 Devices for controlling the flow openings of protective grids in the form of inflatable, elastic moldings, which are held in the rolled state on stabilizing spring bars or struts.

Also from the document DE 35 33 973 C1 is the sealing of air ducts by pressurizable flexible hoses known which support each other in the closed position.

It is an object of the invention to provide an improved adjustable grill assembly for a motor vehicle.

This object is achieved according to a first aspect of the invention in the aforementioned adjustable grill assembly, characterized in that the frame assembly comprises a frame portion, on the front side of a seal is fixed for engagement with the body.

The seal is preferably in front of the frame section and has a thickness such that the same frame arrangement can be used with different vehicle types. The seal compensates for the slight differences in the installation position.

Under a body is understood in the context of the present application not only the actual body made of steel or aluminum sheet. Rather, the term of the body in this case also includes all rigidly connected to this body panel mounting or stiffening parts on which the grill assembly is set.

The task is thus completely solved.

It is of particular advantage in this case if the frame portion is formed as a 2 K plastic element having a support portion of a relatively hard plastic material and the seal of a relatively soft plastic material.

In this embodiment, the frame portion can be manufactured in one operation. Furthermore, this reduces the number of components necessary for the grill assembly.

According to a further preferred embodiment, the frame portion is formed as a circumferential frame portion.

The frame portion thus surrounds an opening in the body, and the seal can from the inside of the body (on the vehicle panel or an attachment such as a hood or derglechen) abut.

According to a further preferred embodiment, which is independent of the provision of a seal on the frame portion is a separate invention, the frame assembly comprises a fluid distribution section, which includes a bush-shaped mounting member to which one end of the hose member is connected.

By providing such a mounting element assembly of the grill assembly can be simplified. The mounting elements may be formed integrally with a frame portion, but may also be provided as separate components. In the latter case, it is preferable that the mounting members are connected to the respective portion of the frame assembly by a simple mounting operation such as clipping or the like.

Both the frame assembly and the mounting elements are preferably made of plastic material, in particular by injection molding.

According to a further preferred embodiment, a support web is arranged in the hose element, which is connected to the mounting element.

Such a support bar can serve to stabilize the hose element, which extends generally over a relatively large distance across the frame assembly. In contrast to the prior art, in which such a web is connected to fixing or decorative webs which extend parallel to the web inside the hose, the connection of the support web with the attached at the end of a hose member mounting element allows a cost-effective and robust installation , Furthermore, it is possible for the, on average, for example, circular tubular elements to extend essentially unsupported over their length and to be connected to mounting elements only at their ends.

The connection of the support bar with the mounting element can be done for example via suitable mounting slots in the mounting element. Alternatively, it is also possible, for example, to form at one end of the support web a mounting section widening from the cross-section. This mounting portion may be integrally connected to the support bar. Further, the mounting portion may for example be adapted to an inner diameter of the mounting member and connected thereto by a simple plug-in operation. The mounting member may, as I said, be integrally formed with the frame assembly. However, it is particularly preferred if the mounting element is formed as a separate component and fixed to a holding portion of the frame assembly.

The holding portion may be configured to define one or more mounting members on the periphery thereof. It is particularly preferred if the holding section is part of a fluid distributor section, which preferably ensures a central supply of fluid.

According to a further preferred embodiment, which represents a separate invention independently of the provision of a seal on a frame portion, the frame assembly comprises a grill strut, which is approximately V-shaped in cross section, wherein the hose element at least partially in the unexpanded state within the V-profile is arranged.

In this embodiment, the frame assembly comprises one or more grille bars extending transversely thereto, wherein each grate bar is associated with a hose element which is behind the grill bar in the direction of travel. In this way it can be achieved that the elastically deformable hose element is not exposed to high wind pressures.

Due to the V-shape of the grill bar, an aerodynamic shape for incoming air can also be achieved, at least when the air duct is open. In other words, turbulence in the inlet region of the air duct can be avoided.

Furthermore, the hose element is protected in the area behind or at least partially within the V-profile from contamination (insects etc.).

In general, it is possible for the hose element, which is arranged at least partially within the V-profile, to move out of the V-profile during expansion in order to be applied to an adjacent hose element. This can be supported by the shape or the cross section of the hose element. For example, the hose element may have in cross-section a voltage applied to the inside of the V-profile section and a second portion. The second section is preferably inverted in the unexpanded state in the direction of the V-profile and can be everted during expansion from the V-profile.

According to a further preferred embodiment, the tubular element can be moved out of the V-profile by means of a displacement arrangement.

In this embodiment, the tube element in the unexpanded state can be arranged substantially completely within the V-profile. To widen the hose element this is moved out in advance by means of the displacement arrangement of the V-profile. The displacement arrangement can be operated, for example, by means of the same fluid, by means of which the hose element can also be subjected to a volume change. For example, a sliding tube member extending in a direction transverse to the extension of the hose member and cause by introducing a fluid, a sliding movement of the hose member at least at one end thereof.

According to a further preferred embodiment, which is independent of the provision of a seal on a frame portion of a separate invention, the grill assembly at least two hose elements which are closed at one end and can be expanded elastically in the manner of a bellows in its longitudinal axis, wherein the hose elements touch in the expanded state.

While in the aforementioned embodiments, the hose members generally expand or collapse in the radial direction, the hose members are formed in the manner of a bellows in this embodiment.

The hose elements preferably have a wave profile in the expanded state in longitudinal section. By suitable design of the adjacent hose elements is achieved that the peaks of a hose member in the expanded state engage in troughs of the adjacent hose member. This makes it possible to close the air duct substantially completely, if necessary.

To stabilize the bellows-shaped hose elements, it may be preferable to guide this with rings or eyelets on a rail such as a grill bar. The eyelets preferably completely surround the hose element and have a diameter such that they are arranged in the region of wave troughs of a widened hose element.

In the above embodiments, in which the hose member is not formed as a bellows, the hose members may be open only at one end to introduce or withdraw fluid from one end. However, in these embodiments, it is preferred if the hose element is open on both sides and fluid can be supplied or removed via both sides.

Furthermore, it is preferred if these types of hose elements are arranged in their elastically undeformed state so that a small air channel remains between them. The sum of these small air channels is preferably about 5% to 30% of the total area of the peripheral frame section.

Proceeding from this, it is possible by supplying fluid and consequently an elastic expansion of the hose elements to completely or almost completely close these relatively small air ducts.

To provide a large air duct for supplying air to a radiator located behind it, by way of example, fluid is sucked or pumped out of the tubing elements so that the tubing elements collapse in cross-section and correspondingly large air ducts are established between the tubing elements.

The collapse of the hose elements can be stabilized in particular by supporting webs provided therein, so that over the length of the hose member uniform shape is formed.

The fluid is preferably air, with a pump assembly and suitable pneumatic valve assembly for either blowing the air into a hose member to expand it, or pumping it out of a hose member to collapse from the cross-section.

It is understood that the features mentioned above and those yet to be explained below can be used not only in the particular combination given, but also in other combinations or in isolation, without departing from the scope of the present invention.

Embodiments of the invention are illustrated in the drawings and are explained in more detail in the following description. Show it:

1 a schematic longitudinal sectional view through a front part of a motor vehicle with an adjustable grill assembly according to an embodiment of the invention;

2 a longitudinal sectional view through a further embodiment of a grill assembly according to the invention;

3 a sectional view taken along the line III-III of 2 ;

4 a perspective view of another embodiment of a grill arrangement according to the invention from behind;

5 a partial longitudinal sectional view of the grill assembly of 4 ;

6 a detailed perspective view of a fluid distribution section of the grill assembly of 4 ;

7 an alternative embodiment of a fluid distribution section for a grill assembly according to the invention;

8th a further embodiment of a fluid distributor section for a grill arrangement according to the invention;

9 a further embodiment of a fluid distributor section for a grill arrangement according to the invention;

10 a further embodiment of a fluid distributor section for a grill arrangement according to the invention;

11 a cross-sectional view of another embodiment of a grill assembly according to the invention;

12 a cross-sectional view of a grill bar and a hose member for a grill assembly according to the invention;

13 one of the 12 comparable representation with expanded hose element;

14 a schematic representation of another embodiment of a portion of a grill assembly according to the invention;

15 a schematic sectional view of another embodiment of a grill arrangement according to the invention;

16 a perspective view of a portion of another grill arrangement according to the invention; and

17 one of the 16 comparable representation with expanded hose element.

In 1 is a front part of a motor vehicle 10 shown schematically. The car 10 For example, a passenger car or the like, has an engine compartment, not shown, in which an internal combustion engine or the like is arranged. The internal combustion engine is a radiator arrangement 14 assigned, which serves for example for cooling the internal combustion engine.

In the body is in the front of a body opening 16 formed by a stream of air 18 for flowing the cooler assembly 14 can occur. Behind the body opening 16 is a barbecue arrangement 20 arranged. The barbecue arrangement 20 has a frame arrangement 22 with a frame section 24 on. The frame section 24 is designed as a circumferential portion of the body opening 16 circumscribed. The frame section 24 is manufactured as a plastic frame (for example by an injection molding process). Between the frame section 24 and the rear part of the body 12 is a preferably circumferential seal 26 intended. The seal may be provided as a separate seal, for example in the form of an O-ring or in the form of an applied sealing bead. However, it is particularly preferred if the frame section 24 is made together with the seal in the so-called 2 K injection molding, wherein the frame section 24 a carrier section 25 made of a relatively stiff, inelastic plastic material, and the seal 26 made of a relatively elastic or soft plastic material.

Through the seal 26 is it possible to use the same frame section 24 Used in conjunction with a variety of different vehicle models, the similar body openings 16 include, but in the edge region of the body opening 16 have different shapes, or have different attachments (such as hoods or the like).

Between opposite sides of the frame section 24 a plurality of (exemplarily three) hose elements extend 28 , The hose elements 28 each have a volume 30 on. In 1 are the hose elements 28 shown in an elastically undeformed state. Here is between the hose elements 28 one air channel each 31 provided by the air flow 18 can flow to the flow of the cooler. By introducing a fluid into the elastically expandable tubular elements 28 its diameter can be increased, resulting in 1 schematically at 28 is shown. Here, the hose elements 28 abut each other so that the air channels 31 are closed. The travel air flow 18 flows in this case on the outside of the body along, as it does 18 ' is shown. Furthermore, it is also possible to remove fluid from the volume 30 suck off or pump off, so that the hose elements collapse, causing the air ducts 31 be enlarged. This allows a larger volume flow of cooling air for the radiator 14 to be provided.

In the following figures, further embodiments of grill arrangements according to the invention are shown, the respect and operation generally the grill assembly 20 of the 1 correspond. The same elements are therefore designated by the same reference numerals. The following section essentially explains the differences.

So shows 2 a grill assembly with a frame assembly 22 comprising a fluid distribution section 32 having. The fluid distribution section 32 serves to enter the volume 30 the hose elements 28 Introduce fluid or dissipate therefrom.

The fluid distribution section 32 is at least at one end of the hose elements 28 intended. Preferably, however, is a fluid distribution section 32 at each end of the hose elements 28 intended.

The fluid distribution section 32 preferably points to each end 36 a hose element 28 a mounting bush 34 on. The mounting bush 34 includes a hose connection section 38 to which the end 36 the hose member pushed (or inserted therein) can be. Furthermore, the mounting bush includes 34 a base section 40 holding a holding section 41 the fluid distributor section 32 is fixed. The mounting bush 34 is hollow inside, leaving a fluid 39 , such as air, in the volume 30 introduced or can be removed from it.

The hose element 28 opposite ends of the mounting sockets 34 can be connected to a distributor housing, not shown.

In the illustrated embodiment of the 2 and 3 have the hose elements 28 each one over the length of the hose elements 28 extending support bar 42 on. The mounting sockets 34 are designed to, including the support bars 42 to fix. The supporting webs 42 can each be integral with the hose element 28 be trained as it is in the 2 and 3 is shown. Preferably, the support webs in this case stiffening means or the like, which in 2 and 3 are not shown in detail.

According to an alternative embodiment, the support webs 42 each formed as separate components, which are connected to the inner diameter of the hose elements 28 are adjusted.

For fastening the support bars 42 have the mounting bushes 34 each a mounting section on, as in 2 is shown as an axial mounting slot 44 in the mounting sockets 34 can be trained.

The 4 to 6 show a further embodiment of a grill arrangement according to the invention. This corresponds in terms of structure and operation of the embodiments of the 1 to 3 , The same elements are therefore designated by the same reference numerals. The following section essentially explains the differences.

In this case, the grill arrangement 20 at the ends of the hose elements 28 (in 4 and 5 each in the expanded state 28 shown) in each case a distributor housing 46 on. The distributor housing 46 is here in each case designed as a hollow cylinder, which is perpendicular to the hose elements 28 extends. At one end has the distributor housing 46 a connection nipple 48 for supplying or for sucking off fluid. At the other end, the distributor housing 46 a connection section 50 by means of which the distributor housing 46 in a simple way with the frame arrangement 22 can be connected. As it is for example in 5 and 6 is shown in greater detail, is the connecting section 50 in the present case designed as a plug-in strip, so that the distributor housing 46 in a direction substantially parallel to the airflow 18 in a corresponding connection section 52 can be inserted in the form of a slot. Preferably, locking means are not shown here closer to the connection between the distributor housing 46 and the frame assembly 22 to lock.

At the distributor housing 46 is a plurality of mounting bushings 34 established. More specifically, the distributor housing 46 a plurality of connecting flanges 54 on, on which the mounting sockets 34 each deferred and preferably latching can be connected to this.

Furthermore, in 5 and 6 to realize that the support bars 42 the hose elements 28 are formed as separate elements. The supporting webs 42 have each at their ends mounting sections 56 with an enlarged diameter. The outer diameter of the mounting sections 56 is at the inner diameter of the mounting sockets 34 customized. This allows the support webs 42 be fixed in the radial direction. Furthermore, the mounting section pass through 56 the respective mounting sockets 34 and engage behind them, so that the support bars 42 are also fixed in the axial direction, as is the case with 57 is shown.

As it is in 6 shown, the mounting sockets 34 each for stabilization mounting slots 44 as they relate to 2 and 3 have been explained.

Between an outer circumference of the mounting sockets 34 and an inner circumference of the connecting flanges 54 of the distributor housing 46 in each case seals (for example, O-rings or the like) may be arranged.

In 5 It can also be seen that the connection nipple 48 on a connection cover 59 may be formed, the latching or the like with the hollow cylindrical base housing of the distributor housing 46 connected is. This allows the distributor base housing and the connection cover 59 each be manufactured as plastic injection molded parts.

In 7 is another embodiment of a fluid distribution section 32 shown. In this case, the fluid distribution section 32 a first housing part 60 and a second housing part 62 on. On the first housing part 60 are connecting flanges 54 for connection to the respective mounting sockets 34 intended. The first housing part 60 has one of the mounting sockets 34 pointing away opening through the second housing part 62 can be closed. A connection nipple 48 can for example on the second housing part 62 be provided.

Between the housing parts 60 . 62 a seal may be provided.

8th shows a further embodiment of a fluid distributor section 32 ,

Here are the mounting sockets 34 each at their hose ends 36 facing away from a connection nipple 48 on. The connection nipples 48 the mounting sockets 34 are each connected to a suitable fluid supply device.

For fixing the mounting bushes 34 on the frame assembly 32 are a first holding element 64 and a second retaining element 66 provided, which has a holding section 41 the frame arrangement 22 form. The first holding element 64 and the second holding element 66 are designed to the mounting sockets 34 to encompass in the radial direction from the outside. Furthermore, the first holding element 64 and the second holding element 66 locked together to facilitate assembly. It is understood that the arrangement of the retaining elements 64 . 66 and the mounting sockets attached thereto 34 again by a simple locking step or the like with a frame section 24 the frame arrangement 22 can be connected.

9 shows a further embodiment of a fluid distributor section 32 , This corresponds in terms of structure and operation generally the fluid manifold section of 6 , In this embodiment, the mounting elements 34 in the radial direction in respective mounting shoes of the connecting flanges 54 inserted. Furthermore, in 9 the connection cover 59 with the connecting nipple formed on it 48 to recognize.

10 shows a further embodiment of a fluid distributor section 32 ,

This can correspond in terms of structure and operation of each of the aforementioned fluid distribution sections. In 10 In particular, it is shown that the mounting sockets 34 , which are arranged side by side, may have different lengths L1, L2. This allows the mountability of the hose elements 28 on the mounting sockets 34 be relieved.

11 shows a further embodiment of a grill arrangement according to the invention 20 ,

The barbecue arrangement 20 of the 11 includes a plurality of grill bars 70 , each approximately parallel to the hose elements 28 between opposite sides of a frame portion 24 the frame arrangement 22 extend. The Grilist vines 70 are in cross-section approximately V-shaped, with a V-tip forward toward the incoming air flow 18 has.

The hose elements 28 are at least partially disposed within the V-profile at least in the unexpanded state, ie in the direction of the air flow 18 behind the respective Grilist vines 70 ,

As a result, in the unexpanded state of the hose elements 28 between the Grilist vines 70 one air channel each 31 set up, the airflow 18 aerodynamically favorable through the air channels 31 can flow through it.

When expanding the hose elements 28 these expand so that they touch each other until the air channels 31 are closed, as is the case with 28 is shown.

At the in 11 shown below hose element is shown that it is alternatively or additionally also possible, the hose elements 28 by means of a schematically indicated displacement arrangement 72 in the direction parallel to the airflow 18 to move before the expansion takes place. This makes it possible, for example, in cross-section substantially round hose elements 28 in the area behind the respective V-shaped grill bars 70 to arrange and this in front of a radially concentric expansion of the engagement region of the grill bars 70 to move out.

In the 12 and 13 is a modification to the embodiment of the 11 shown in which a section of the hose element 28 in the unexpanded, but collapsed state, in the fluid from the hose element 28 sucked or pumped out, in the V-section of the respective grill bar 70 invaginated. This condition is in 12 shown. For expanding the hose element 28 will fluid into the volume 30 introduced, so that the invaginated part is initially in the direction of the air flow 18 expands to the rear and then there can expand relatively freely, as in 13 at 28 ' is shown.

14 shows an alternative embodiment of a grill assembly 20 in which for moving a hose element 28 a displacement arrangement 72 is provided. The shift arrangement 72 here has a displacement hose 74 extending in a direction transverse to the extension of the hose elements 78 extends and is adapted to a respective portion of a fluid distribution section 32 in one direction of the airflow 18 to move. In 14 It is shown that the portion of the fluid distribution section 32 by means of a return spring 76 in a starting position against the direction of the air flow 18 is pressed. Here is the sliding tube 74 compressed or collapsed. Now, starting from this state, fluid in the displacement hose 74 is introduced, so the section of the fluid distribution section 32 in the direction of the airflow 18 offset so that the hose element 28 from a grill bar 70 (in 14 not shown) can be moved out. By means of the return spring 76 can the hose element 28 if necessary, back to the in 14 shown starting position to be moved.

In 14 is further shown that the hose element 28 at a fluid distribution section 32 opposite end 78 can be closed.

In 15 is another alternative embodiment of a grill assembly 20 shown.

The barbecue arrangement 20 has a frame arrangement 22 on, which is a substantially rectangular single air duct 31 Are defined. Further, on the frame assembly 22 a plurality of bellows-shaped hose elements 28 arranged in the direction of the airflow 18 seen behind a schematically indicated aperture 79 are arranged as for the in 15 hose element shown on the left 28 is shown in the collapsed state. The bellows-like hose elements 28 are designed to expand in an axial direction. Here are the hose elements 28 each a closed end 78 on.

Adjacent hose elements 28 . 28A are designed so that they touch each other laterally in the axially expanded state. Here are the hose elements 28 each in longitudinal section on a waveform. So that the adjacent hose elements 28 . 28 ' touch, are the hose elements 28 . 28 ' It is designed so that a wave crest of a hose element 28 in a wave trough of an adjacent hose element presses to the air duct 31 essentially completely close.

In the 16 and 17 is another embodiment of a grill assembly 20 shown in terms of design and operation generally the grill assembly 20 of the 15 equivalent.

In this case, the frame assembly 28 a plurality of rail sections 80 on, extending in a direction parallel to the expansion direction of the hose elements 28 extend. In the fold valleys of the bellows-shaped hose elements 28 each grasp eyelets 82 a, the hose element in the expanded state ( 17 ) fix by removing the eyelets 82 in the axial direction in the rail sections 80 be guided. The rail sections 80 can be part of grill bars 70 may be, for example, in cross section also V-shaped.

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 102006021173 A1 [0002, 0005]
• DE 19516942 A1 [0007]
• DE 102008006020 A1 [0008]
• DE 3533973 C1 [0009]

Claims (9)

Adjustable grill arrangement ( 20 ) for a motor vehicle ( 10 ), the at least one air duct ( 31 ), through which an air flow ( 18 ) for a cooler ( 14 ) or the like, with at least one elastically expandable tubular element ( 28 ) into which a fluid ( 39 ) is insertable to its volume ( 30 ) between an open volume for opening the air channel ( 31 ) and a closing volume for closing the air channel ( 31 ), wherein the hose element ( 28 ) on a frame assembly ( 22 ) mounted with a body ( 12 ) is connectable to the vehicle, characterized in that the frame arrangement ( 22 ) a frame section ( 24 ), on whose front side a seal ( 26 ) for contact with the body ( 12 ). Adjustable grill arrangement according to claim 1, characterized in that the frame section ( 24 ) is formed as a 2 K plastic element having a support portion ( 25 ) made of a relatively hard plastic material and the seal ( 26 ) made of a relatively soft plastic material. Adjustable grill arrangement according to claim 1 or 2, characterized in that the frame section ( 24 ) is designed as a circumferential frame section. Adjustable grill arrangement according to one of claims 1-3, characterized in that the frame arrangement ( 22 ) a fluid distribution section ( 32 ), which is a bush-shaped mounting element ( 34 ), at which one end ( 36 ) of the hose element ( 28 ) connected. Adjustable grill arrangement according to claim 4, characterized in that in the hose element ( 28 ) a supporting bridge ( 42 ) arranged with the mounting element ( 34 ) connected is. Adjustable grill arrangement according to claim 4 or 5, characterized in that the mounting element on a holding portion ( 41 ) of the framework ( 22 ). Adjustable grill arrangement according to one of claims 1-6 or according to the preamble of claim 1, characterized in that the frame arrangement ( 22 ) a grill bar ( 70 ), which is approximately V-shaped in cross-section, wherein the hose element ( 28 ) is at least partially disposed within the V-profile at least in the unexpanded state. Adjustable grill arrangement according to claim 9, characterized in that the hose element ( 28 ) by means of a displacement arrangement ( 74 ) is movable out of the V-profile. Adjustable grill arrangement according to one of claims 1-8 or according to the preamble of claim 1, characterized in that the grill arrangement ( 20 ) at least two hose elements ( 28 . 28A ), which at one end ( 78 ) are closed and can be expanded elastically in the manner of a bellows in its longitudinal axis, wherein the hose elements ( 28 . 28A ) touch in the expanded state.

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