• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A door shock mount (10) for a door (100) of a motor vehicle, comprising a first attachment portion (12) for attachment to a first attachment interface (112) of the door (100) and a second fastening portion for attachment to a second door fastening interface (100), a profiled portion (20) extending between the first and second fastening portions, the profiled portion (20) being at least partially formed in the form of a hollow profile (30) with two opposite side walls (32) and two opposite facing walls (34) which connect the side walls (32), the connecting walls (34) together. ) having an outwardly convex curvature.
    公开号:FR3039476A1
    申请号:FR1657313
    申请日:2016-07-28
    公开日:2017-02-03
    发明作者:Gerald Eckart；Herbert Klamser；De Lira Adriano Morozini；Patrick Oefele；Philipp Straub；Joachim Ritter
    申请人:Dr Ing HCF Porsche AG；
    IPC主号:
    专利说明:

    DESCRIPTION
    The present invention relates to a door shock support for the door of a motor vehicle and a corresponding door of a motor vehicle.
    It is in principle known to use in the doors of motor vehicles so-called door shock supports in order to be able to provide relatively high stabilization effects accordingly in the event of a collision. Thus, the known vehicles have, inside a door, what is called a protection against side impacts, which can be provided for example by profiled portions of such a door shock support. Such profiled portions are characterized by the fact that they provide a mechanical stabilizing effect when a force application is applied to the side of the door in the form of a road accident. The disadvantage of known door shock supports is that the behavior in case of shock is only difficult to predict. Thus, it is necessary to provide a high overall mechanical stability as a result, which associates with a high weight of such a door shock support in order to safely prevent tearing or folding of such a contoured portion. . The object of the present invention is to overcome at least in part the disadvantages described above economically and simply. In particular, the object of the present invention is to economically and simply obtain a reinforcement of a door in the event of a collision. The aforementioned object is achieved by a door shock support according to the invention as well as by a door according to the invention. Other features and features of the invention result from the description and the drawings. In this case, the features and features described in connection with the door shock support according to the invention are obviously valid in association with the door according to the invention and vice versa, so that we will refer or that the reference to the individual aspects of the invention may be made interchangeably with respect to the disclosure.
    According to the invention, there is provided a door shock support for a door of a motor vehicle comprising a first fixing portion and a second fixing portion. The first attachment portion is for attaching the door impact carrier to the first door attachment interface and the second attachment portion is for attachment to a second door attachment interface. In this case, a profiled portion extends between the first fixing portion and the second fixing portion. A door shock support according to the invention is characterized in that the profiled portion is formed at least partly in the form of a hollow section at the side walls facing away from one another and two connecting walls facing away from one another. . These connecting walls connect together the side walls, the connecting walls having a convex curvature oriented outwards.
    A door shock support according to the invention is therefore based on the principle method of construction of the known door impact supports so that it can also be arranged in a known manner and above all in a similar positioning inside. of a door. In this case, the fastening can take place at previously existing and already known fastening interfaces with first and second corresponding fastening portions.
    An idea underlying the present invention is to provide a special embodiment of the connecting walls inside the hollow section. These connecting walls connect the side walls, thereby forming the hollow section. In other words, such a hollow section is provided with a cavity which is limited by the side walls on the left and on the right and by the connecting walls at the top and bottom with respect to the installation situation. In this case, the connecting walls and the side walls can obviously be closed walls and also have individual openings, bores or orifices.
    A decisive effect of a door impact support according to the invention is obtained in that at present the connecting walls have an outwardly convex curvature. In other words, the connecting walls have an outwardly curved curvature, that is to say away from the aforementioned cavity of the hollow profile. This is so that in case of collision, a predefined direction of deformation for these connecting walls is pre-established. In other words, in the case of force introduction at the door, it will be transmitted to the side walls or in particular to the outer side wall facing outwardly of the profiled portion, and therefore the hollow profile . As soon as an outer skin of the door comes into mechanical contact with the side wall, the force introduced can now also be transmitted to the side wall of the hollow section. In the event of a collision, this usually gives rise to a deformation, in particular a plastic deformation, of the associated lateral wall, and consequently of the hollow profile. In other words, a lateral force introduction will push the sidewall further inwardly of the vehicle and consequently produce a plastic and / or elastic deformation of the connecting walls. Because the connecting walls have an outwardly convex curvature, this deformation of the connecting walls will continue to follow and reinforce this already pre-established convex curvature. The prescription of an outwardly oriented convex curvature thus predefines the direction of deformation that the connecting walls must follow in the event of a collision.
    Based on the clear function obtainable according to the invention as indicated above with regard to a direction of deformation, it is ensured that tearing or folding can be avoided with great security. Thus, the quality of deformation and therefore also the direction of deformation and the constitution of the deformation can be predefined. In other words, it is possible in this way, in the event of a collision, to be able to predict with much more precision how the deformation will act on the door shock support. As a result, it is possible to accurately adapt the door impact support to the expected or predictable deformation and to significantly reduce in this manner its geometric realization as well as its associated weight. Lightweight construction in this way, while maintaining high mechanical stability and safety requirements, results in a corresponding reduction in vehicle fuel consumption and improved driving properties.
    By convex curvature oriented outwardly of the connecting walls, it is necessary to understand in particular that these connecting walls have a radius of curvature whose center is correspondingly located on the inward facing side of these walls. connection, preferably within a cavity of this hollow section. The deformation movement can also be described as a crushing or an accordion effect, which predefines correspondingly this deformation of the connecting walls. Thus, it is also possible that the connecting walls have different radii of curvature or that each connecting wall itself has a variation of different radii of curvature. It is preferred, however, that each connecting wall has substantially a radius of curvature for the convex curvature facing outwards.
    It may be advantageous, in the case of a door shock support according to the invention, that the two connecting walls have an identical or substantially identical radius of curvature. This is also based on a curve of the same or substantially identical bending radii correspondingly over the axial extent. Thus, the connecting walls, in partial portions of the hollow profile, may have larger radii of curvature than in other portions. According to this particular embodiment of the present invention, the connecting walls are however formed at each portion of the hollow section in symmetrical or identical form to each other. This causes that in the case of a collision, there occurs in this position a substantially identical or symmetrical deformation of the two connecting walls. An undesirable displacement of the door shock support inside the door is thus effectively avoided and above all economically. The manufacture is also simplified in this way because in particular in the mounting region, the associated section can be used in both directions through the symmetrical embodiment.
    It is also advantageous, in the case of a door impact support according to the invention, that the side walls and the connecting walls surround a cavity of the hollow section, the centers of curvature of the radii of curvature of the two connecting walls. being arranged in this cavity. This makes it possible to obtain important advantages, in particular concerning the geometrical correlation. Thus, the radii of curvature are sufficiently small so that the center of curvature can be arranged correspondingly inside the cavity of the hollow section. In particular, this applies for the two centers of curvature of the two connecting walls. In this case, it should be noted that the centers of curvature of the two connecting walls do not have to necessarily, but can be located on one and the same center of curvature. The realization of this variant results that in a normal case, there is a good prescription stability and in case of collision, a good prescription of the direction of deformation desired. In other words, in this embodiment, it is a particularly advantageous compromise between the stability in normal case and the deformation stability in case of collision.
    According to the invention, it is furthermore advantageous, in the case of a door impact support according to the invention, for the side walls to have, at least in part, plane outer surfaces and / or flat interior surfaces, and particular that the side surfaces are arranged at least partly parallel to each other. The production of flat outer surfaces and / or flat internal surfaces leads to a reduction in costs during the manufacture of such a door impact support, because a spinning process can in particular be used. In addition, a weight reduction of the door impact carrier is achieved while maintaining or substantially maintaining the mechanical stability. A parallel or substantially parallel arrangement of the lateral surfaces relative to each other leads to a symmetrical embodiment and therefore to the possibility of a symmetrical or substantially symmetrical installation for a straight line. It is also possible in this way to provide improved absorption of the forces acting in the case of different directions of collision.
    It is furthermore advantageous, in the case of a door impact support according to the invention, for the side walls, at the zones of connection with the connecting walls, to protrude by a guide overhang. This means that a guide surface is provided by the guiding overshoot, which avoids, in case of deformation, that is to say in the event of a collision, during the deformation of the connecting walls, that these do not deform beyond this guide overshoot. In other words, these guiding overshoots also serve as safety in that a desired deformation zone, laterally with respect to the connecting zones, is not exceeded. In addition, it is also possible to provide, thanks to the guiding overshoot, stability in a normal case, in which a corresponding weight reduction can be further obtained for the normal installation situation.
    It is also advantageous, in the case of a door impact support according to the invention, that the connecting walls have a smaller wall thickness than the side walls, in particular in a range between about 0.5 and 0.9 times the wall thickness of the side walls. This reduction causes the deformation inside the profiled portion is essentially limited to a deformation of the connecting walls. This also means that the prediction accuracy of the expected deformation in the event of a collision is further improved. The essential advantages of the invention can be obtained in this way even better and more precisely.
    It is furthermore also advantageous, in the case of a door impact support according to the invention, for the side wall of the hollow profile, which is turned towards an outer skin of the door in the installation situation, to follow, as outer side wall, the shape that is to say the path or contour profile of the outer skin of the door. This means that usually an outer skin of a door must have a corresponding optical and aerodynamic effect. This is usually not flat but has a plurality of curvatures and inflections or silhouette contours. The outline of the contour is preferably followed by the hollow profile and in particular by its outer side wall, so that a space between the contour of the outer skin of the door and the outer side wall remains constant and / or within a predefined frame accordingly. This means that the total depth of the door can be significantly reduced, as even in the case of a complex outer skin, no rope between the two attachment portions would provide an undesirable enlargement of the depth of the door.
    It is furthermore advantageous, in the case of a door impact support according to the invention, that the shape of the outer side wall is made such that between the outer side wall and the outer skin of the door, in an installation situation, establishes a constant or substantially constant shock distance on the pace that is to say the path or profile of the side wall. In particular, for a constant or substantially constant embodiment, it is possible to envisage variations in the axial shape of the door shock support of approximately ± 15%. Such impact distance may also be provided when the outer sidewall forms with the associated outer wall of the door an angle of less than about 30 °, particularly when one is substantially parallel in embodiment. This results that, irrespective of the crash action zone for a collision force, the necessary deformation of the outer skin for the desired contact with the outer side wall of the door impact support remains essentially the same. Therefore, zones of inflections are preferably provided in the profile of the door shock support, that is to say in the profiled portion or in the hollow section, in order to follow as closely as possible the pace outer skin or the outline of the outer skin of the door.
    An additional advantage may be, in the case of a door impact support according to the invention, at least the profiled portion and / or the hollow section are made in the form of or as extruded aluminum profile. This is possible in particular by the fact that the portion of the profiled portion or the hollow section is provided by the simple and economical construction of the connecting walls and the side walls. Thus, the possibility of simple, economical and above all light manufacturing of an aluminum spinning process can be used in the context of the present invention.
    The present invention also relates to a motor vehicle door having at least one door shock support according to the invention. By the use of such a door shock support, a door according to the invention is obtained with the same advantages as those which have been exhaustively explained in relation to a door shock support according to the invention. This door shock support is therefore fixed with its two attachment portions to the associated fastening interfaces of the door and is thus ready for use in order to provide in the event of collision the desired stabilization function. Other advantages, features and features of the invention result from the following description, in which exemplary embodiments of the invention are described in detail with reference to the drawings. In this case, the features mentioned in the claims and in the description may be essential for the invention each time individually in itself or in any combination. The schematic drawings illustrate: in FIG. 1, a lateral representation of a door according to the invention with a door impact support according to the invention, in FIG. 2, the embodiment of FIG. 1 in three-dimensional cross-sectional view in FIG. 3, the embodiment of FIGS. 1 and 2 in another three-dimensional cross section, in FIG. 4, a further embodiment of a door impact support according to the invention and in FIG. 5, the embodiment of Figure 4 during a deformation in case of collision.
    Figure 1 illustrates an embodiment of a door according to the invention 100 in open representation. Thus, one can see inside this door 100, so that the two attachment interfaces 112 and 114 are visible. At these two attachment interfaces 112 and 114 is fixed here a shock support for door 10 with its two attachment portions 12 and 14. This attachment can for example be made by rivets, screws or also by a welded connection .
    In this embodiment, the door shock support 10 extends from upper left to lower right, the driving direction in Figure 1 for the associated vehicle being oriented from right to left.
    The configuration according to the invention of the door shock support 10 is illustrated in particular in Figures 2 and 3, which illustrate a cross section through the associated profiled portion 20 and the hollow profile 30 provided there. In this case, it can be clearly seen that the hollow section 30 is configured with two substantially plane side walls 32. These two side walls 32, which may also be called outer side wall 32 and inner side wall 32, are connected by curved or bulging connection walls 34, which have an outwardly convex curvature. In this embodiment, the two connecting walls 34 are made with identical radii of curvature. An outer side wall 32 is defined in that it is disposed with a collision distance CA closer to an associated outer skin 120. As can be seen in FIGS. inflection can be provided obviously inside the profiled portion 20 and also be provided by the hollow section 30, to be able to follow an associated contour of the outer skin 120 as narrowly as possible and with a CA collision distance also constant as possible.
    In the following Figures 4 and 5, it is now explained schematically how in case of collision, the desired effect is obtained. Figure 4 illustrates in this case, in schematic cross section, an embodiment of a door shock support 10 which is provided with two connecting walls 34 in curved form. The two connecting walls 34 are provided with identical or substantially identical radii of curvature, which are represented by the two arrows. This implies that even the two associated centers of curvature KM are certainly arranged at different points, but they are both inside the cavity 36 of the hollow section 30.
    Furthermore, guiding overshoots 38 are provided here, which can deploy a corresponding guiding effect in case of collision. If a lateral force is now exerted in the event of a collision, as illustrated by the arrow in FIG. 5, an elastic and / or plastic deformation of the impact support for door 10 and in particular of the hollow profile 30 is produced. then a crushing and consequently an additional bulge of the connecting walls 34, as illustrated in Figure 5. The predefined curvature will thus be reinforced, so that the direction of deformation is in this manner predefined by the predefined curvature and is therefore predictable. As can also be seen in FIG. 5, the guiding overshoots 38 serve here to prevent folding of the connecting walls 34 during the deformation beyond the lateral walls 32 to the left and to the right essentially completely and with a great security.
    The preceding explanations of the embodiments describe the present invention exclusively in the context of examples. Obviously, individual features of the embodiments, to the extent that they are technically sound, can be freely combined with each other without departing from the scope of the present invention.
    权利要求:
    Claims (10)
    [1" id="c-fr-0001]
    A door shock mount (10) for a door (100) of a motor vehicle, comprising a first attachment portion (12) for attachment to a first attachment interface (112) of the door (100) and a second fixing portion (14) for attachment to a second fixing interface (114) of the door (100), a profiled portion (20) extending between the first fixing portion (12) and the second portion of fastener (14), characterized in that the profiled portion (20) is at least partly formed as a hollow profile (30) with two opposite side walls (32) and two facing-oriented connecting walls (34). in contrast, which connect together the side walls (32), the connecting walls (34) having a convex curvature oriented outwardly.
    [2" id="c-fr-0002]
    2. shock support for door (10) according to claim 1, characterized in that the two connecting walls (34) have a radius of curvature identical or substantially identical.
    [3" id="c-fr-0003]
    3. shock support for door (10) according to one of the preceding claims, characterized in that the side walls (32) and the connecting walls (34) surround a cavity (36) of the hollow section (30), the centers of curvature (KM) of the radii of curvature of the two connecting walls (34) being arranged in this cavity (36).
    [4" id="c-fr-0004]
    Door shock absorber (10) according to one of the preceding claims, characterized in that the side walls (32) have at least partly flat outer surfaces and / or flat inner surfaces and in particular side members (32) are arranged at least partly parallel to one another.
    [5" id="c-fr-0005]
    5. Door shock support (10) according to any one of the preceding claims, characterized in that the side walls (32) protrude from a guide projection (38) at connection regions (33) with the connecting walls (34).
    [6" id="c-fr-0006]
    The door impact support (10) as claimed in any one of the preceding claims, characterized in that the connecting walls (34) have a smaller wall thickness than the side walls (32), particularly in a range. of the order of about 0.5 and 0.9 times the wall thickness of the side walls (32).
    [7" id="c-fr-0007]
    Door shock absorber (10) according to one of the preceding claims, characterized in that the side wall (32) of the hollow profile (30), which in the installation situation is turned towards an outer skin ( 120) of the door (100), follows as the outer side wall (32) the shape or the path of the contour of the outer skin (120) of the door (100).
    [8" id="c-fr-0008]
    8. Door shock support (10) according to claim 7, characterized in that the shape of the outer side wall (32) is such that between the outer side wall (32) and the outer skin ( 120) of the door (100) establishes a constant or substantially constant collision distance (CA) on the course or path of the side wall (32) in the installation situation.
    [9" id="c-fr-0009]
    Door shock absorber (10) according to one of the preceding claims, characterized in that at least the profiled portion (20) and / or the hollow section (30) are formed as extruded aluminum profiles. .
    [10" id="c-fr-0010]
    10. Door (100) of a motor vehicle, having at least one door shock support (10) having the features of one of claims 1 to 9.
    类似技术:
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    同族专利:
    公开号 | 公开日
    DE102015112499A1|2017-02-02|
    FR3039476B1|2021-05-07|
    GB2541118A|2017-02-08|
    GB201612353D0|2016-08-31|
    GB2541118B|2018-11-14|
    US9873312B2|2018-01-23|
    CN106394200A|2017-02-15|
    US20170028825A1|2017-02-02|
    CN106394200B|2019-06-04|
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    法律状态:
    2017-07-24| PLFP| Fee payment|Year of fee payment: 2 |
    2018-07-25| PLFP| Fee payment|Year of fee payment: 3 |
    2020-07-21| PLFP| Fee payment|Year of fee payment: 5 |
    2020-09-11| PLSC| Search report ready|Effective date: 20200911 |
    2021-07-27| PLFP| Fee payment|Year of fee payment: 6 |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102015112499.8A|DE102015112499A1|2015-07-30|2015-07-30|Door impact beams|
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