Motor vehicle body with an adjustable air guide system
Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- DR ING H C F PORSCHE AG
- Filing Date
- 2023-04-24
- Publication Date
- 2026-07-23
AI Technical Summary
Existing motor vehicle bodies with adjustable air guiding devices face challenges in effectively draining water away from the rear area when the trunk lid is opened, leading to potential water ingress into the receiving space.
An adjustable air guiding device with a cover element featuring a drainage device, comprising gutter walls or ribs, directs water away from the receiving space by channeling it through a drain contour to the exterior, ensuring it does not enter the motor vehicle body.
The drainage system effectively prevents water from entering the rear area by accelerating its drainage to the exterior, minimizing the risk of water accumulation and damage when the trunk lid is opened.
Smart Images
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Abstract
Description
[0001] The invention relates to a motor vehicle body with an adjustable air guiding device according to the preamble of patent claim 1.
[0002] Air deflectors in the form of rear spoilers of motor vehicles are well known. Rear spoiler-shaped air deflectors are mounted on a vehicle body of the vehicle. of the rear spoiler, the downforce and drag coefficient of the vehicle body can be adjusted.
[0003] The published patent application DE 10 2017 122 884 A1 discloses a tailgate of a motor vehicle, wherein the Tailgate has a fixed rear spoiler and a water-guiding structure inside.
[0004] Also from the patent specification US 10,046,624 B2 a tailgate of a motor vehicle can be taken, wherein the Tailgate has a water-conducting structure.
[0005] From the published patent application JP S6082488 A a motor vehicle with a fixed rear spoiler and a the water guiding structure arranged on the rear spoiler.
[0006] The published patent application US 2007 / 145776 A1 discloses a motor vehicle with an adjustable rear spoiler wherein an adjustment device for adjusting the rear spoiler is mounted on a tub-shaped support element is arranged, whereby the tub is covered from the environment by means of a cover element. a rainwater drainage opening is arranged, to which a water drainage channel is connected, which extends through a Motor vehicle body of the motor vehicle.
[0007] The object of the present invention is to provide an improved motor vehicle body with an adjustable Air guidance device must be specified.
[0008] The object is achieved according to the invention with a motor vehicle body with an adjustable air guiding device with the features of patent claim 1. Advantageous embodiments with practical and non-trivial Further developments of the invention are specified in the respective subclaims.
[0009] A motor vehicle body according to the invention with an adjustable air guiding device has an air guiding element of the air guiding device, which is movable with the aid of an adjusting unit of the air guiding device The vehicle body has a receiving space for the The receiving space is formed by an adjustment unit located in the rear area of the vehicle body. According to the invention, the cover element has, on its side facing away from the receiving space, formed surface has a drainage device for the drainage of water. The advantage of the invention is This can be seen in the fact that the medium, especially water, for example when opening a door in the rear area designed rear lid can be diverted directly over the surface of the cover element. This means In other words, the medium to be drained, especially water, does not even enter the receiving space of the vehicle body, as is the case with the state of the art, but already has the The drainage system is therefore particularly designed to ensure that, if the If the vehicle body is rained on or is wet, the cover element is specifically designed to accelerate water drainage can be used outwards to reduce the probability of water entering a rear area designed trunk when the tailgate is opened.
[0010] In one embodiment of the motor vehicle body according to the invention, the drainage device has a Drainage contour comprising at least two adjacent channel walls. This allows the water to be directed between the gutter walls, which form a channel, so that it does not spread over the entire surface can expand.
[0011] To simplify production, the at least two channel walls are arranged in parallel. At this point, mentioned that the drainage contour could also have more than just two channel walls arranged next to each other, so that a correspondingly large amount of water can be drained away in a targeted manner. In particular, the two Channel walls formed by a downward embossing, thus from a surface of the cover element in Formed to extend in the direction of the recording room.
[0012] At this point it should be mentioned that the channel walls can also be designed in the form of ribs. This is depends on the height of the rib to be realized. For example, if only a small height is required for space-related reasons, reasons, it is advantageous to arrange several ribs next to each other for the targeted guidance of the water, so that the water flow is ensured even when the channel formed between two ribs overflows.
[0013] If the drainage device for draining the medium, in particular water, from the direction of a first element edge of the Cover element, which faces an opening formed in the rear area for receiving a rear window is arranged, over the surface facing towards an environment of the motor vehicle body Element edges of the cover element, the medium, in particular water, can be preferably the surface to the environment.
[0014] Advantageously, the drainage contour has at least one drainage point on one of the element edges, so that the medium, especially water, can be released into the environment in a targeted manner.
[0015] The cover element is preferably and inexpensively secured to the vehicle body, provided that it is at least has a snap element.
[0016] A preferred embodiment of the motor vehicle body according to the invention has the cover element with a Receiving recess for receiving the air guide element, whereby the drainage contour runs along a contour of the This allows a simple design of the cover element to be be taken into account.
[0017] Further advantages, features and details of the invention will become apparent from the following description preferred embodiments and the drawing. The features mentioned above in the description and combinations of features as well as those mentioned below in the description of the figures and / or in the figures alone The features and combinations of features shown are not only in the respective combination specified, but also in other combinations or used alone without departing from the scope of the invention. Identical or Functionally identical elements are assigned identical reference symbols. They show: Fig. 1 shows a perspective view of a section of a shell of an inventive Motor vehicle body with an adjustable air guiding device, Fig. 2 shows a perspective view of a cover element of the motor vehicle body according to the invention, and Fig. 3 shows a perspective view of the motor vehicle body according to the invention.
[0018] A motor vehicle body 1 according to the invention designed according to Fig. 1, comprising a body shell 19, comprises an adjustable air guiding device 3 arranged in a rear area 2. The air guiding device 3 is an adjustment unit 4 from a first operating position, its rest position, into a second operating position. The Adjustment unit 4 can be seen in more detail in Fig. 3.
[0019] For better understanding, a Cartesian coordinate system is shown, comprising the body longitudinal axis X, the The transverse body axis Y and the vertical body axis Z are introduced. The vehicle body 1 is located along this Designed to extend along the body axes X, Y, Z.
[0020] With the aid of the air guiding device 3, in particular a drag coefficient and a downforce of the Motor vehicle body 1. The air guiding device 3 further comprises a not shown Air guide element for flow guidance, which is usually designed in the form of a rear wing, and which is connected to the Adjustment unit 4 is movably connected. In the rest position of the air guiding device 3, the air guiding element is preferably arranged flush with the vehicle body 1.
[0021] In the rear area 2, the motor vehicle body 1 has a rear lid 6 with an opening 5 for receiving a Rear window and an integrated bumper 7, which are arranged between side walls 8 of the vehicle body 1 The rear lid 6 is provided with a receiving space 9 for receiving in particular the adjustment unit 4 of the Air guiding device 3 designed.
[0022] The receiving space 9 has a cover element 10, which is also referred to as a grey zone cover element. The cover element 10 serves, among other things, to close off the receiving space 9 from the environment 11, so that in these no or only insignificantly the adjustment unit 4 may be damaged or its function may be affected harmful particles of any kind can penetrate.
[0023] In Fig. 2, the cover element 10 is illustrated in a perspective view. The cover element 10 is in installed state positioned between the air guide element and the receiving space 9, and is preferably as It's made of plastic, making it lightweight and cost-effective. It also serves a design function.
[0024] The cover element 10 has snap elements 11 for secure fixing so that it can be securely attached to the rest of Motor vehicle body 1. It could also be securely fastened with screws. Cover element 10 extends in the direction of the body longitudinal axis X and the body transverse axis X completely over the recording room 9.
[0025] For targeted water drainage, the cover element 10 has a drainage device 12 which is designed in the shape of a channel This means that the cover element 10, which can also be referred to as a mounting support, in addition to its protective function and its assembly function has a water conduction function.
[0026] The drainage device 12 is directed towards the opening 5 to accelerate the water drainage formed first element edge 13 of the cover element 10 over a surface 14 of the cover element 10 in Towards an environment 15. In other words, this means that the drainage device 12 is designed to flow a fluid, in particular water, which is on the motor vehicle body 1, in particular the rear lid 6 has accumulated, is designed when the rear lid 6 is opened, whereby it is designed to flow out from the direction of the first Element edge 13 is formed in an oblique direction towards the side walls 8 and / or the bumper 7, as shown in Fig. 3 indicated by a directional arrow P.
[0027] The cover element 10 has a second element edge 13 opposite the first element edge 13 Element edge 16, as well as a third element edge 17 and a fourth element edge 18, each of which forms the first Element edge 13 and the second element edge 16 are designed to connect at their ends.
[0028] Thus, the drainage device 12 is designed to drain water, in particular, from the direction of the first element edge 13 Element edges 16, 17, 18 of the cover element facing the surface 14 towards the surroundings 15 10 executed.
[0029] The drainage device 12 is more or less, starting from a central axis 20 of the cover element 10, which is designed to extend along the body's longitudinal axis X, at or near the first element edge 13 extending diagonally in the direction of the second element edge 16. In other words, this means that the Drainage device 12 to a diagonally oriented drain of, in particular, water is formed, as indicated by the directional arrow P.
[0030] The present embodiment of the motor vehicle body 1 according to the invention has on the surface 14 the drainage device 12 in the form of a drainage contour 21. The water is guided by means of the drainage contour 21 between two channel walls 22 of the drainage contour 21, which are arranged next to each other, in particular parallel to each other, Likewise, more than two channel walls 22 could be arranged next to each other.
[0031] The drainage device 12 designed in the present embodiment, which is channel-shaped, or with other In other words, in the form of a rain gutter, is executed with the help of a downward embossing. That is, with In other words, the drainage device 12 is located lower relative to the surface 14 of the cover element 10 than the Surface 14 outside the drainage device 12. Or in other words, the surface 14 extends with the help of the Channel walls 22 formed channel along the body vertical axis Z starting from the surface 14 in the direction of Recording room 9.
[0032] However, the drainage device 12, or the one carrying the water, could be arranged between the two channel walls 22 The channel should be designed with two ribs. This means that the ribs are not, like the channel walls 22, deeper are formed lying as the surface 14 outside the drainage device 12, but on the surface 14 are arranged.
[0033] The drainage contour 21 is preferably substantially along a contour 23 of a receiving recess 24 of the Cover element 10 extending, wherein the receiving recess 24 for receiving the air guiding element in a rest position of the air guiding device 3.
[0034] The cover element 10 is formed on its second element edge 17 with a groove 25, with the aid of which the water accumulated in the area of the second element edge 16 is transferred to the third element edge 18 and the fourth Element edge 19 can be guided.
[0035] The drainage contour 21 has an outlet 26 on the third element edge 18 and the fourth element edge 19, through which the water can flow into the environment 15. Likewise, the outlet 26 could also be located at the second Element edge 16 or in a region between the third element edge 17 and the second element edge 16 or the fourth Element edge 18 and the second element edge 16 formed transition 27. List of reference symbols 1 motor vehicle body 2 Rear area 3 Air guiding device 4 adjustment unit 5 Opening 6 rear lid bumper 7 8 Side wall 9 Recording room 10 Cover element 11 Snap element 12 Drainage device 13 First element edge 14 Surface 15 Surroundings 16 Second element edge 17 Third element edge 18 Fourth element edge 19 Shell 20 center axis 21 Drain contour 22 Gutter wall 23 Contour 24 Recording recess 25 gutter 26 Procedure 27 Transition P Direction arrow X Longitudinal body axis Y body transverse axis Z Body vertical axis QUOTES CONTAINED IN THE DESCRIPTION
[0000] This list of documents submitted by the applicant was generated automatically and is intended solely for This list is not part of the German patent or trademark law. Utility model application. The DPMA assumes no liability for any errors or omissions. Cited patent literature
[0000] DE 102017122884 A1
[0003] US 10046624 B2
[0004] JP 6082488 A
[0005] US 2007 / 145776 A1
[0006]
Claims
1. Motor vehicle body (1) with an adjustable air guiding device (3), wherein an air guiding element of the Air guiding device (3) with the aid of an adjusting unit (4) of the air guiding device (3) movable with the vehicle body (1), wherein in the motor vehicle body (1) a receiving space (9) for receiving the in a rear area (2) of the motor vehicle body (1) arranged adjusting unit (4), and wherein the receiving space (9) with by means of a covering element (10), characterized in that the covering element (10) is Receiving space (9) facing away from the surface (14) has a drainage device (12) for the drainage of water.
2. Motor vehicle body (1) according to claim 1, characterized in that the drainage device (12) is starting from a central axis (20) of the cover element (10) diagonally oriented drainage of in particular water is trained.
3. Motor vehicle body (1) according to claim 1 or 2, characterized in that the drainage device (12) has a Drainage contour (21) comprising at least two channel walls (22) arranged next to one another.
4. Motor vehicle body (1) according to claim 3, characterized in that the at least two channel walls (22) are arranged in parallel.
5. Motor vehicle body (1) according to one of the preceding claims, characterized in that the Drainage device (12) for draining water in particular from the direction of a first element edge (13) of the Cover element (10) which corresponds to an opening (5) formed in the rear area (2) for receiving a rear window facing, over the surface (14) towards an environment (15) of the motor vehicle body (1) formed element edges (16, 17, 18) of the cover element (10).
6. Motor vehicle body (1) according to one of claims 3 to 5, characterized in that the run-off contour (21) has at least one outlet (26) on one of the element edges (13, 16, 17, 18).
7. Motor vehicle body (1) according to one of claims 3 to 6, characterized in that the cover element (10) a receiving recess (24) for receiving the air guiding element, wherein the drainage contour (21) extends along a Contour (23) of the receiving contour (24).
8. Motor vehicle body (1) according to one of the preceding claims, characterized in that the Cover element (10) for securing to the motor vehicle body (1) has at least one snap element (11).