motor vehicle

Abstract

Motor vehicle, comprising a front or rear flap (2) for covering a cavity (3) containing operating components (5), characterized in that a hollow body (9) is arranged in the cavity (3), which is closed by a floor (12), side walls (13) and an upper cover and in which at least one first compartment (14) designed as a wet space and serving as a water tank and at least one second compartment (15) designed as a dry space are formed, wherein one or more operating components (5) are accommodated in each compartment (14, 15), and wherein one or more openings (22) are provided in a partition wall (18) separating the first from the second compartment (14, 15), through which opening(s) lines or cables are led and which are sealed by sealing means (28).

Description

The invention relates to a motor vehicle comprising a front or tailgate for covering a cavity containing operating components.A motor vehicle has, in a manner known per se, a sufficiently large cavity, usually referred to as an engine compartment, which is closed via a front or rear hatch depending on the type of vehicle. A plurality of operating components required for vehicle operation are accommodated in the cavity, thus as a rule the drive unit, that is to say for example the internal combustion engine or electric motor, associated ancillary units such as an alternator, turbocharger etc., but also components such as brake boosters, air conditioning compressor etc. This region is designed, in particular in the case of a conventional combustion drive, as a complete wet region in which water is applied via the wheel arch houses and corresponding chassis apertures of the underbody, via the front-side cooler region or the underbody in regions without underbody cladding.In this region, a so-called water box is also provided in a manner known per se, that is to say a box-shaped body closed via four outer walls, a base and a cover, with at least one water outlet. This water box is a wet area in which water is applied, for example, via wiper arm openings, in the area of the fresh air or air conditioning air intake, or via water flow openings.It is problematic that the entire cavity in which the operating components are located is completely and permanently exposed to moisture. This has the consequence that measures have to be taken on each operating component in order either to realize corrosion protection or water protection with regard to the required IP protection classes, combined with a correspondingly dense configuration of the operating components or the attachment of corresponding sealing means at corresponding positions. Furthermore, there is also a considerable introduction of dirt into the cavity, that is to say that the operating components installed there become dirty over time, which can sometimes likewise impair their function, and measures against a marred bit and the like must also be taken if appropriate.The invention is therefore based on the problem of specifying a motor vehicle which is improved in comparison therewith.To solve this problem, according to the invention, a hollow body is arranged in the cavity, which is closed via a base, side walls and an upper cover and in which at least one first compartment designed as a wet chamber and serving as a water box and at least one second compartment designed as a dry chamber are formed, wherein each compartment is designed to accommodate one or more operating components.The motor vehicle according to the invention is characterized by a box-like body of correspondingly large dimensions, which serves to accommodate at least a part of the operating components to be installed in the cavity. The body is preferably arranged in front of a bulkhead or front wall which separates the cavity, that is to say the engine compartment, from the passenger compartment. It has at least two compartments separated from one another by a partition wall, in each of which more or less compartment-specific operating components are accommodated.The first compartment is designed as a wet chamber and serves as a water box. In it, therefore, there is intentionally a corresponding water application, resulting from the operating component or components accommodated therein. These operating components are accordingly configured to be corrosion-resistant or sealed. Such an operating component can be, for example, a fresh air or air conditioning air intake, elements of the wiper mechanism, lines, etc., wherein, if appropriate, apertures are provided in the outer walls or the floor delimiting the wet chamber, through which apertures lines or cables are introduced into the water tank from the outside or are guided out of the water tank. The enumeration of integratable operating components is not exhaustive; in principle, operating components which do not require a special corrosion- or water-protected design or which have such a design on the basis of their functionality can be integrated therein.In addition, at least one second compartment is formed in the body, which is designed as a drying chamber. According to the invention, any desired operating components can now be accommodated in this second compartment, which components, since they are a drying chamber, therefore do not have to be equipped in a particular manner with corrosion or water protection measures, since they are protected in the drying chamber from exposure to water. That is, corrosion and water protection measures on a variety of operating components incorporated in this second compartment may be reduced or eliminated because they are completely protected in this full dry room. Such an operating component can be, for example, a control unit or a heating device, but also corresponding electrical plug connections, cables, etc., wherein this enumeration is also not exhaustive. This can be any operating component which is sensitive to corrosion or water and the arrangement of which is expedient in this second compartment.The body according to the invention thus replaces a part of the cavity or forms a closed part of the cavity, but is at the same time also correspondingly structured in that a defined wet space and a defined dry space are formed therein, which serve for accommodating different corrosion- or water-sensitive operating components.For further structuring or subdivision of the body or of the interior of the body, at least one further, dry third compartment is formed between the first and the second compartment according to the invention, wherein one or more apertures are optionally provided in a dividing wall separating the first compartment from the third compartment and / or the second compartment from the third compartment, through which apertures the lines or cables are led and which is sealed by means of sealing means. That is, ultimately, the large dry space formed adjacent to the wet space is further divided, so that second and third compartments are formed, which are separated from each other by a partition wall. This makes it possible to structure the distribution of the received operating components and additionally to seal or separate the drying spaces from one another. In order to allow the passage of cable or lines from one compartment to an adjacent compartment, if necessary, corresponding apertures through which the lines or cables are guided are optionally provided in the corresponding separating walls between the first and the third compartment or between the second and the third compartment or between both separating walls, so that corresponding operating components are supplied with corresponding supply means or can communicate with one another, etc. Since the corresponding apertures are sealed by means of sealing means, it is virtually or completely ruled out that, for example, excess moisture passes from the first into the third compartment, that is to say that, despite one or more apertures on the separating wall side, the sealing and thus dryness of the third compartment is ensured.At this point, it should be noted that, of course, if only a first and a second compartment are formed in the partition separating these compartments, one or more apertures receiving cables or lines can also be formed, which apertures are sealed by corresponding sealing means, so that water or moisture can pass from the first compartment into the second compartment, i.e. from the wet compartment into the dry compartment, is prevented.In a further embodiment, it can be expedient if a fourth compartment designed dry is formed between the third and the second compartment, wherein one or more apertures are optionally provided in a separating wall separating the third compartment from the fourth compartment or the second compartment from the fourth compartment, through which apertures the lines or cables are led and which is sealed by means of sealing means. This means that a further subdivision of the entire drying space is carried out in order to form the fourth compartment, and therefore a further structuring is provided. Again, it is optionally possible to provide the corresponding partitions with suitable, sealed apertures which serve for the cable or line passage. In this case, it is basically conceivable for a cable or a line to be led through all compartments via corresponding apertures, if this is necessary.In addition, it is conceivable that one or more apertures are provided in an outer wall delimiting the first compartment and / or in an outer wall delimiting the second, third and / or fourth compartment, through which apertures the lines or cables are guided and which aperture or apertures are sealed by means of sealing means. Via these openings on the outer wall side (an outer wall can of course also be the floor), cables or lines can thus be guided from outside into the wet or dry space and there to corresponding operating components, which are to be supplied or controlled via these openings, etc. Since these openings are also sealed, even if the opening leads directly into the dry space, it is ensured that no moisture can enter the dry space from the surrounding wet cavity, in which for example the internal combustion engine is located, etc.Any sealing means can be used as sealing means for sealing the apertures. It is conceivable to use elastic sealing elements such as corresponding rubber grommets or the like, but also corresponding pasty sealing means, which cure after their attachment, but are still elastic. Alternatively, sealing means in the form of labyrinth seals can also be used, which are formed, for example, via sections of the body delimiting the apertures. In this case, the wall section or sections delimiting the apertures are structured accordingly, for example in the manner of a tongue and groove geometry, so that on the one hand the cable or the line can be led through forming a corresponding bend, but on the other hand a seal is produced in a manner known per se on account of the aperture geometry.The body itself is expediently arranged in a wet space of the cavity, that is to say that the cavity is ultimately designed basically as a wet space in which the body is accommodated. This is harmless insofar as the body according to the invention has a sufficiently large dry space in which the corrosion- or water-sensitive operating components are sealed and securely accommodated.Furthermore, it is expedient if at least the first compartment, preferably also at least one of the second to fourth compartments, have a liquid outlet opening on the bottom side. In the first compartment, which is designed as a wet chamber as described, it is particularly expedient to form such a liquid outlet opening in order to be able to discharge the water which is expected to collect in the water tank or wet chamber from the wet chamber. However, in one or all further compartments, the formation of a liquid outlet opening is also expedient, at least for safety reasons. This is because water or fluid which arises, for example, in the event of a leak in a sealing means which seals off a wall aperture or in the event of a line break or the like can then be discharged without the operating components located in the drying space being able to be damaged. In this case, at least in the outlet opening of the first compartment, but preferably in each outlet opening, a switchable valve can be arranged in each case, which can be controlled via a corresponding control device in order to enable a defined water outlet if required. For example, the presence of liquid can be detected via a corresponding sensor, or in the case of line damage upon detection of a corresponding damage signal and the like.As described, the body also comprises a cover covering it on the top side, i.e. a cover which sufficiently tightly seals it on the top side. An advantageous further development provides that the body is open at the top at least in sections and the front or tailgate in the closed position serves as a cover closing the body in this section. This means that the front or tailgate has the function of the cover, so that a separate cover is not required in this region. It is conceivable, for example, to close the drying space with a separate cover and to close the wet space via the front or tailgate, since a sufficiently secure seal is then ensured via the flap in the drying space. The wet chamber does not require such sealing, which is as complete as possible, since water can be produced in it in any case as intended. Of course, the configuration can also be reversed if a correspondingly tight covering of the drying chamber is ensured via the front flap, so that only the wet chamber is then closed via a separate cover.In a development of this variant of the invention, it is expedient if the body is fully open on the top side and the front or tailgate serves for partially or fully covering the body. This has the advantage, in particular with complete covering, that when the front or tailgate is opened, the interior of the body is accessible overall, and therefore no separate cover can be opened and such a cover cannot be provided either.In order to ensure a secure, tight cover via the front or tailgate, it is particularly advantageous if a sealing means is provided on the body, preferably around the open section of the body, which sealing means seals in the closed position with respect to the front or tailgate lying against it. The body is thus provided in the region of its upper, open edge with a corresponding sealing means, for example a sufficiently dimensioned sealing cord against which the front or tailgate sealingly abuts in the closed position. In this way, a simple, secure seal is ensured.In the case of a body which is fully open on the top, the sealing means should be arranged circumferentially on one, a plurality or all outer walls of the body and at least on the dividing wall which separates the first compartment from the adjacent compartment. This ensures that the first compartment, i.e. the wet chamber, is sealed separately from the adjacent dry chamber via the front or tailgate, and therefore the water tank is sealed separately from the dry chamber.Further advantages and details of the invention are evident from the exemplary embodiments described below and on the basis of the drawings. The following are shown: FIG. 1 shows a schematic diagram of a motor vehicle according to the invention, FIG. 2 shows a schematic illustration of a body to be arranged in the motor vehicle in a perspective view, FIG. 3 shows a schematic illustration of the open body from FIG. 2 with exemplary operating components provided therein, in a side view, FIG. 4 shows a schematic illustration of the body from FIG. 3 in a plan view, and FIG. 5 shows a schematic illustration of an aperture with a labyrinth seal.FIG. 1 shows a schematic illustration of a motor vehicle 1 according to the invention, comprising a front flap 2, via which a cavity 3, usually also called an engine compartment, can be closed and which, as illustrated by the arrow P, can be pivoted upwards about a hinge 4, so that access to the cavity 3 exists.The cavity 3 accommodates a series of operating components 5, which can be, for example, a drive unit 6, an alternator 7 or an air-conditioning compressor 8, this enumeration not being restrictive in any case. The cavity 3 is designed as a wet chamber, i.e. water can enter the cavity 3 through openings in the wheel arch houses, in the underbody, etc., to which the operating components 5 are exposed. For this purpose, the operating components 5 are equipped with corresponding corrosion and water protection measures so that they are not damaged by the water ingress or the moisture present.Furthermore, a hollow, here exemplarily cuboidal body 9 is arranged in front of or on a bulkhead 10 separating the cavity 3 from the actual passenger compartment 11. The cuboid-shaped structure of the hollow body 9 shown in FIG. 1 is a simplified embodiment. In a real vehicle, the hollow body 9 may also have a complex three-dimensional shape. This hollow body 9, which is expediently made of plastic, alternatively of metal, and in a further embodiment can have virtually any desired geometry adapted to the spatial conditions, serves for accommodating further operating components 5, which are firstly operating components which are sufficiently corrosion- or water-protected in order to be accommodated in a defined wet space of the body 9, and secondly operating components which are accommodated in a defined dry space of the body 9 and therefore do not require any specific corrosion- or water-protection measures.The body 9, since it also accommodates operating components 5, thus forms a part of the cavity 3 after the operating components 5 accommodated therein would otherwise be accommodated in the cavity 3. As can already be seen from the basic illustration according to FIG. 1, the body 9 takes up a considerable part of the cavity 3, for example a fifth to a third of the cavity volume, wherein this measurement is also in no case restrictive. In any case, it is ensured by it that operating components 5 can be accommodated in the dry space formed in the body 9, which components do not have any specific corrosion or water protection measures that they would have to have if, as was customary hitherto, they were accommodated in the cavity 3 and thus in the wet region there.FIG. 2 shows a perspective basic illustration of the body 9, comprising a base 12 and four outer walls 13, In this exemplary embodiment, the body 9 does not have a separate, lid-like cover, after it is completely closed and sealed via the front flap 2 in conjunction with a sealing means arranged on the body 9 in the closed position of the front flap 2, as will be discussed in detail below. In principle, however, as the basic illustration according to FIG. 1 shows, it is possible to equip the body 9 with a separate cover-like cover.The interior or cavity of the body 9 is divided in the exemplary embodiment shown into a total of four separate compartments. A first compartment 14 is designed as a wet chamber and serves as a so-called water box in which water can be deliberately applied to the operating components 5 accommodated therein. Such water can be supplied, for example, via the operating component serving for the intake of fresh air or air conditioning air, or via apertures of the wiper arm mechanism or other defined apertures serving, for example, for the supply or discharge of cables or lines. The operating components 5 accommodated in this first compartment 14 are all equipped with corresponding corrosion or water protection measures, provided they are not adequately corrosion- or water-resistant from the home.A second compartment 15 is provided, which is designed as a drying chamber. No water enters this second compartment, i.e. it is completely sealed off from the outside. Due to this tightness, operating components 5 are arranged in the second compartment which are more corrosion- or water-sensitive than comparable components in the first compartment 14, but are not equipped with specific corrosion or water protection measures, since they are accommodated in a drying room and are not exposed to moisture. No exposure to moisture in the sense of the invention means no direct or indirect exposure to water. A general moisture load, which is usually subordinate to corrosion protection, due to the general atmospheric humidity of the atmosphere can take place. This form of moisture exposure is usually harmless because no salt exposure takes place. In a further, advantageous embodiment of the invention, the second compartment 15 is advantageously even sealed to such an extent that exposure to moisture by atmospheric moisture from ambient air is largely prevented.For further structuring of the interior space, in an advantageous further embodiment of the invention, a third compartment 16 is formed which is likewise designed as a dry space and likewise serves for accommodating corrosion- or water-sensitive components which, since they are designed as a dry space, likewise do not require any specific corrosion protection or water protection measures.The same applies to a further advantageous embodiment of the invention with operating components 5 accommodated in a fourth compartment 17, since this fourth compartment 17 is also designed as a dry room.The individual compartments are separated from one another by corresponding separating walls 18, 19, 20, wherein the separating walls, in particular the separating wall 18, are arranged correspondingly close to the respective outer walls 13 and the base 12. In particular, at the partition wall 18 it is to be ensured that no water or moisture passage takes place from the first compartment 14 forming a wet chamber into the adjacent third compartment 16 forming a dry chamber.Furthermore, in the example shown, the side walls 13 are provided with corresponding apertures 21, which allow the supply and discharge of liquid-conducting lines or of electrical cables or the like from outside the body 9 into the interior of the body.Furthermore, the partitions 18, 19, 20 are also provided with corresponding apertures 22, so that lines or cables can be passed through from one compartment to an adjacent compartment. All the apertures 21, 22 are provided with corresponding sealing means which seal the apertures 21, 22, so that it is ensured that no water or moisture passage takes place through these apertures or this is so small that it is negligible, in particular insofar as the aperture leads into the drying space, that is to say into one of the compartments 15, 16, 17.At this point, it should be noted that there is no need to form three dry compartments 15, 16, 17. Rather, the body can have, in addition to the first compartment 14, also only the second compartment 15 or only the second and third compartments 15, 16. In principle, it is of course also conceivable to divide one or more further compartments by corresponding partitions within the entire drying space, as can also be the first compartment 14, i.e. the wet space, further divided.Furthermore, each compartment 14- 17 preferably has a liquid outlet 23 on the bottom side, which, as shown in FIG. 3, can be opened and closed as required via a switchable valve 24. While the liquid outlet 23 in the first compartment 14 is ultimately obligatory, since this is a wet chamber in which water can be expected to accumulate and is to be discharged, the water outlets 23 in the compartments 15, 16, 17 are optional, but are expedient for safety reasons, for example in order to be able to discharge the liquid arising in the compartment and to protect the operating components 5 in the event of a line break and liquid arising in the compartment. Condensed water can also be discharged from the water drains 23.FIG. 3 shows a schematic illustration of a laterally open body 9 with operating components 5 arranged in the corresponding compartments.In compartment 14, i.e., the wet chamber, a fresh air intake or air conditioning air intake 25 is arranged, for example, as operating component 5. This necessarily draws in moist air from the atmosphere and is therefore not sealed off from the outside in an airtight manner. Lines 30, 39 are also accommodated in the first wet compartment 14 as further operating components 5, wherein the line 26 is supplied from the outside through an aperture 21 and also leaves the compartment 14 again through a further aperture 21 shown in FIG. 2. The apertures 21 are sealed off by corresponding sealing means 27, wherein this applies to all apertures 21 regardless of which compartments they lead to.The line 39, for example an air line, is led through the partition wall 18 into the adjacent third compartment 16, wherein the corresponding aperture 22 illustrated in FIG. 2 is arranged with a sealing means 28 in the region of the lower end of the partition wall 18. This means that the aperture is arranged as deep as possible. The line 39 leads, for example, to a further operating component accommodated in the third compartment 16, to which line also leads from the fresh air or air conditioning air intake, which line is led via an aperture 22 in the partition wall 18 shown in FIG. 2.In the example shown, two lines 31, 32 run from the third compartment 16 through a corresponding aperture 22 shown in FIG. 2 into the fourth compartment 17, wherein the line 31 is guided through a further aperture 22 shown in FIG. 2 in the partition wall 20 into the second compartment 15 and to an operating component 5 there, while the line 32 is guided to an operating component in the fourth compartment 17.In addition to various operating components 5, cables 33 coming from the outside and lines 34 are supplied in the second compartment 15 via corresponding apertures 21 shown in FIG. 2, wherein the cables 33 are, for example, current or control lines which run to corresponding operating components in the second compartment 15 or further in the fourth compartment 17, while the lines 34, for example lines which are associated with the air conditioning system, are led out of the second compartment 15 again or the like.FIG. 3 is a purely basic illustration with an exemplary arbitrary arrangement and distribution of operating components 5 illustrated in FIGS. 1 and 3 in the form of devices, assemblies, connection or plug connections, lines, cables, etc. A final enumeration of the operating components 5 that can be arranged in the wet room, i.e. in the compartment 14, and in the dry room, i.e. the compartments 15- 17, is ultimately not possible, since arbitrary operating components 5 can be involved. The fundamental difference between the operating components 5 to be arranged in the compartment 14 and the operating components 5 to be arranged in the compartments 15- 17 is that the operating components 5 to be arranged in the compartment 14 are protected from corrosion and water or in this respect from the home or are provided with corresponding measures, since they come into contact with water to a certain extent due to the operation. In contrast, the operating components 5 to be arranged in the compartments 15- 17 are at least partially water- and corrosion-sensitive, but since they are in a dry room they are not provided with specific protective measures.FIG. 4 shows a top view of the body 9, which is open at the top as described. Arranged on the upper edge, running all around, is a sealing means 35, for example a sufficiently dimensioned sealing cord, which runs on the one hand around the upper edge of the outer walls 13, thus creating the seal to the outside, and which on the other hand runs along the upper edge of the partition wall 18, thus creating the seal of the wet first compartment to the adjacent dry third compartment or, as a whole, to the dry space. This sealing means 35, i.e. the sealing cord or the like, interacts with the underside of the front flap 2, i.e. the engine hood, in the closed position of the front flap 2, i.e. that the front flap 2 rests on the sealing means 35 in a fixed and all-round manner and in this way seals the wet chamber and the dry chamber. In a further embodiment of the invention, the sealing means 35 can also be fastened to the front flap 2. This sealing means 35, i.e. the sealing cord or the like, interacts with the upper edge of the outer walls 13 of the compartments 14- 17, in particular with the dry compartments 15- 17, in the closed position of the front flap 2, i.e. of the engine hood, that is to say that the upper edge of the outer walls 13 of the compartments 14- 17 rests on the sealing means 35 in a fixed and all-round manner and in this way seals the wet space and the dry space. A one-piece sealant 35 may be used that seals all compartments. Alternatively, separate sealing means 35 can also be used, e.g. a first one only for sealing the first compartment 14 and a further one for sealing the further compartment or compartments.An additional, lid-like seal is not required, combined with the advantage that when the front flap 2 is opened, the body 9 is also automatically opened and consequently the operating components 5 installed therein are accessible. Alternatively, in a further embodiment of the invention, the sealing means 35 can be omitted. In this embodiment of the invention, an additional, lid-like seal is provided, which closes at least one, preferably all, compartment 15- 17, in particular in a watertight manner.Expediently, the first compartment 14 is not air-tight, i.e. air-permeable, sealed, so that fresh air can flow into the first compartment 14.As described, the individual apertures 21, 22 are sealed off by suitable sealing means 27, 28. These sealing means can be elastic sealing elements, for example rubber grommets, which are inserted into the apertures and through which the lines or cables etc. pass, or pasty sealing means, which are cured but still elastic, or the like. However, these may also be labyrinth seals which are formed by adjacent sections of the body 9 or of the body walls. An example of such a labyrinth seal is shown by way of example for the passage of the line 27 through the partition wall 18. A corresponding projection 36 is formed on the bottom 12, on which the partition wall 18 is seated. In the region of the actual aperture 22, a nose 37 is formed on the projection 36 and engages in a U-shaped, widened receptacle 38 at the lower end of the partition wall 18. A U-shaped geometry is thus obtained through which the line 27 is guided, as shown in FIG. 5. Due to this labyrinth-like geometry, water or liquid passage is sufficiently prevented.

Claims

Motor vehicle, comprising a front or tailgate (2) for covering a cavity (3) containing operating components (5), characterized in that a hollow body (9) is arranged in the cavity (3), which is closed via a base (12), side walls (13) and an upper cover and in which at least one first compartment (14) designed as a wet space and serving as a water box and at least one second compartment (15) designed as a dry space are formed, wherein one or more operating components (5) are accommodated in each compartment (14, 15), and wherein one or more apertures (22) are provided in a dividing wall (18) separating the first compartment (14, 15) from the second compartment, through which apertures or through which lines or cables are guided and which are sealed by means of sealing means (28).Motor vehicle according to Claim 1, characterized in that at least one further, dry-configured third compartment (16) is formed between the first and the second compartment (14, 15), wherein one or more apertures (22) are provided in a dividing wall separating the first compartment (14, 16) and / or the second compartment (15, 16) from the third compartment, through which apertures or through which the lines or cables are led and which are sealed by means of sealing means (28).Motor vehicle according to Claim 2, characterized in that a fourth compartment (17) designed dry is formed between the third and the second compartment (15, 16), wherein one or more apertures (22) are provided in a dividing wall (19, 20) separating the third compartment (16, 17) or the second compartment (15, 17) from the fourth compartment (15, 17), through which apertures the lines or cables are led and which are sealed by means of sealing means (28).Motor vehicle according to one of the preceding claims, characterized in that one or more apertures (21) are provided in an outer wall (13) delimiting the first compartment (14) and / or in an outer wall (13) delimiting the second, third and / or fourth compartment (15, 16, 17), through which apertures the lines or cables are led and which apertures are sealed by means of sealing means (27).Motor vehicle according to one of the preceding claims, characterized in that the sealing means (27, 28) are elastic sealing elements or is designed as a labyrinth seal which is formed by portions of the body (9) delimiting the aperture.Motor vehicle according to one of the preceding claims, characterized in that the hollow body (9) is arranged in a wet space within the cavity (3).Motor vehicle according to one of the preceding claims, characterized in that at least the first compartment (14), preferably also at least one of the second to fourth compartments (15, 16, 17), have a liquid outlet opening (23) on the base side.Motor vehicle according to claim 7, characterised in that a switchable valve (24) is arranged at least in the liquid outlet opening (23) of the first compartment (14), preferably in each outlet opening (23).Motor vehicle according to one of the preceding claims, characterized in that the hollow body (9) is open at the top at least in sections and the front or tailgate (2) in the closed position serves as a cover closing the hollow body (9) in this section.Motor vehicle according to claim 9, characterised in that the hollow body (9) is fully open at the top and the front or rear hatch (2) serves as a cover for the whole hollow body (9).Motor vehicle according to claim 9 or 10, characterised in that a sealing means (35) is provided on the hollow body (9), surrounding the open section, which sealing means, in the closed position, with respect to the front or tailgate (2) lying against it.Motor vehicle according to Claim 11, characterized in that, with the hollow body (9) fully open on the top, the sealing means (35) is arranged circumferentially on the outer walls (13) of the body (9) and at least on the dividing wall (18) separating the first compartment (14) from the adjacent compartment (16).Motor vehicle according to one of the preceding claims, characterized in that the hollow body (9) is made of metal or plastic.

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