• 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:
    The invention relates to a vehicle rear part (1), comprising a bumper (2), a cover (3) covering it and a strip (4) for at least one end of pipe (5) of a system of exhaust gas from the motor vehicle, the cladding (3) having below the bumper (2) an opening (7) passing through the cladding (3) and the strip (4) passing through this opening (7). It is provided according to the invention that supports (8) are connected to the bumper (2) behind the trim (3), which extend from the bumper (2) downwards, the cladding ( 3) being supported in the supports (8) below the bumper (2), and the strip (4) being supported in the casing (3).
    公开号:FR3066162A1
    申请号:FR1853598
    申请日:2018-04-25
    公开日:2018-11-16
    发明作者:Thomas Weiss
    申请人:Dr Ing HCF Porsche AG；
    IPC主号:
    专利说明:

    DESCRIPTION The invention relates to a rear part of a vehicle for a motor vehicle comprising a bumper produced in the form of a support and arranged in a transverse direction of the motor vehicle, a covering covering the bumper and a strip for at least one end of pipe from an exhaust system of the motor vehicle, the covering having an opening below the bumper passing through the covering and the strip passing through this opening.
    Motor vehicles having a rear part of a vehicle configured in this way are widely known in the art. In this case, the strip for at least one pipe end of the exhaust gas system is supported in the pipe end. It is also perfectly possible to use a strip in combination with two pipe ends of the exhaust gas system, which are arranged at a short distance from each other. In this case, the strip is also supported in the pipe ends. The disadvantage in this case is in principle that the strip, due to its additional weight, affects the exhaust gas system, in particular in the region of the at least one end of the pipe. This influence is also disadvantageous with regard to the appearance of the oscillation of the hose end suspended on a spring or the arrangement of the hose ends arranged in a suspended manner on a spring.
    Document DE 10 2009 034 761 A1 describes a bumper arranged in the rear region of a motor vehicle, this bumper resting on the gross body by means of a support element disposed on the gross body of the vehicle automobile.
    Document DE 10 2004 019 149 A1 discloses a connection element for fixing a bumper unit in several parts. This has an element that absorbs the energy of shocks.
    Document EP 1 243 477 B1 describes a device for fixing a covering at the level of the gross body, covering a bumper in the front or rear region of the motor vehicle. The object of the present invention is to improve a bitter part of a vehicle of the type mentioned in the introduction so that the mounting of the motor vehicle in its rear region can be simplified.
    This object is produced by a rear part of a vehicle for a motor vehicle, comprising a bumper produced in the form of a support and arranged in a transverse direction of the motor vehicle, a covering covering the bumper and a strip for at least one end. of a pipe from an exhaust system of the motor vehicle, the covering having an opening below the bumper passing through the covering and the strip passing through this opening, @ characterized in that supports are connected to the shocks behind the cover, which extend from the bumper downwards, the cover being supported in the supports below the bumper, and the strip being supported in the cover.
    The indications used below, in particular the indications “front, rear, upper, lower, left, right, lateral” relate to the orientation of the motor vehicle and to the direction of driving towards the front of the motor vehicle. The indications which relate to the covering, for example “behind the covering”, relate to the direction of observation of a person looking at the covering in the installed position.
    For the rear part of the vehicle, it is planned to connect to the bumper, behind the casing, supports which extend downwards from the bumper, the casing being supported in the supports below the bumper. shocks, and the strip being supported in the covering.
    As it is not necessary in the case of the rear part of the vehicle according to the invention, to support the strip in the at least one pipe end of the exhaust gas system, but on the contrary the strip is supported in the covering, the strip is uncoupled from the oscillations relative to the at least one end of the pipe and moreover does not affect the weight of the pipe end. On the contrary, the covering receives the strip and therefore its weight and a particularly stable connection between the covering and the bumper is obtained thanks to the supports.
    The term trim must be understood here in the broad sense and describes in particular a rear skirt of the motor vehicle which is supported in the gross body, and concretely, which is fixed to the bumper.
    In particular, the headband is supported exclusively in the covering. In addition, the at least one end of the pipe passes in particular through the contactless strip. When fitting the cover to the bumper, at least one end of the exhaust gas system pipe is inserted through the strip connected to the cover. Therefore, it suffices only to fix the covering in the usual way, in particular to fix it to the bumper and to further make the connection between the supports and the bumper. In particular, the supports are already pre-assembled on the bumper and are connected in the region of their upper ends. The cost of assembly during the manufacture of the rear part of the vehicle, in particular the mounting of the trim on the bumper, is therefore significantly reduced. The support without oscillations of the strip in the covering guarantees a lasting connection of the strip and the covering.
    Preferably, the bumper has, in opposite end regions, each time a support connected thereto. The covering is therefore connected to the bumper by means of two supports arranged at a relatively great distance from each other.
    In a particularly advantageous manner, the support associated with the opening in the covering is arranged next to or in the vicinity of the opening. The support of the covering in the region of a support in the bumper is therefore effected at a short distance from the opening which is crossed by the strip. As a result, the weight forces which are introduced via the strip into the casing act only with a weak lever arm on the casing and can therefore be introduced into the bumper via this support on a short distance.
    In particular, in motor vehicles produced in the form of light vehicles of sports categories, provision is made for the strip to be produced in the form of a strip with two pipes. The strip thus presents two pipes which form a strip unit. Each pipe of the two-pipe strip, when the casing is mounted, is traversed by a pipe end of the exhaust system of the motor vehicle.
    In particular, it is expected that the strip, in a strip plane, is completely surrounded by the covering. In this case, the opening in the covering is not open on one side, in particular is not open at the bottom, but the covering completely surrounds the strip in this strip plane.
    Preferably, the strip is supported in the covering by means of several fasteners. This contributes to a more secure and lasting connection of the blindfold and the covering. Particularly advantageously, the strip is supported in the covering in an upper region and in a lower region. The support is thus carried out on opposite sides of the strip and is sufficiently stable, also in the case of vertical forces and lateral forces which are exerted on the strip during driving. In particular, provision is made for the strip to be supported in the covering at the top by means of a single attachment and at the bottom by means of two attachments. In order to guarantee a particularly stable connection in the region of the respective supports, provision is made for the support to present, transversely to the longitudinal direction of the support, a Z-shaped profile. The support thus has increased bending stiffness as well as increased rotational rigidity for a relatively low weight of the support.
    Particularly advantageously, the support is supported in the bumper in a vertically adjustable manner. As a result, the tolerances between the trim and the bumper can be compensated for. In view of the fact that the bumper generally has a rectangular profile at least in a partial region of its length, it is considered particularly advantageous that the respective support has an upper end shaped in a U shape. In this case, the Branches of the support are arranged on each side of the bumper. The respective branch at the support is screwed into the region of an oblong hole or a slot arranged vertically and passing through the respective branch. It is considered particularly advantageous that blind threaded crimp bolts are connected to the support, which pass through an oblong hole in one of the branches and a slot in the other branch, and that nuts screwed onto the threaded crimp bolts blindly fix the branches between the nuts and the bumper. As a result, a particularly simple embodiment of the support is obtained on the bumper, with a capacity for simultaneous adjustment of the support in the Z direction, as well as in the vertical direction.
    According to another characteristic, a sheet metal nut is inserted on the support in the region of its lower end, in the region of which the support is connected to the covering.
    According to another preferred improvement of the invention, it is provided that the supports have, on sides turned towards one another, inserts to support a piece of foam disposed between them and the covering. This foam piece, which is provided between the covering and the bumper as well as between the covering and the supports, contributes to satisfying a low-speed crash test according to legal regulations, for example the USA crash test. 49 CLR 581.
    According to an additional preferred configuration, provision is made with the supports, a heat shield to protect against heat a silencer of the exhaust gas system disposed behind the covering. The supports thus also have a function of connecting a heat shield. Other characteristics of the invention result from the appended drawing and from the description of the preferred embodiment illustrated in the drawing, without being limited thereto.
    In the drawings: Lig. 1 illustrates a three-dimensional representation of a rear part of a vehicle in an end region of a bumper, next to a strip for two ends of the pipe of an exhaust gas system, and of a covering covering the bumper in this region, seen in the direction of the rear side of the covering; the Lig. 2 illustrates, in a driving direction towards the front X of the vehicle, a view of this region from the side of the end of the bumper and of a support connected to the bumper, and, Lig. 3 illustrates a three-dimensional view of the bumper illustrated over a short partial length as well as of the support connected to it.
    Description of the figures
    The Lig. 1 illustrates a partial region of a rear part of a vehicle 1 of a motor vehicle, in particular of a light vehicle. This light vehicle is for example a sports car with an internal combustion engine disposed in the rear region.
    FIG. 1 illustrates, only for the region of the rear part of the vehicle lying on the left in the longitudinal direction of the vehicle, seen in the direction opposite to the driving direction towards the front, a bumper 2 produced in the form of support and arranged in the transverse direction of the motor vehicle, that is to say in the Y direction of the motor vehicle, as well as a trim piece covering the bumper 2, and finally a strip 4 for two ends of pipe 5 of a motor vehicle exhaust system, illustrated only on a short length.
    The bumper 2, which consists of, or is made of, metal, present in the region of its left end (referred to the direction of driving towards the front X of the vehicle), a flange 6 in the region of which the bumper 2 is screwed to the actual body of the vehicle. The right end of the bumper 2 is correspondingly provided with a flange of this type, which is screwed to the gross body. The covering 3 consists of, or is made of, plastic. It covers the area below an engine compartment cover on the rear side. The covering 3 is therefore a rear skirt which is fixed to the bumper. The covering 3 has, below the bumper 2, in the region of the left end of the bumper 2, next to the flange 6 associated with this end, an opening 7 passing through the covering 3. The strip 4 passes through this opening 7, the strip 4 being completely surrounded by the covering 3. The strip 4 is produced in the form of a strip with two pipes and therefore has two openings 19 which each have a circular cross section. Each opening 19 is crossed by a pipe end 5 of the exhaust gas system, the respective pipe end 5 not coming into contact with the strip 4 and therefore an annular space is provided between the pipe end 5 and the strip 4.
    Brackets 8 which extend from the bumper 2 downwards are connected to the bumper 2 behind the covering 3. A support 8 is only illustrated in the region of the left end of the bumper 2. An additional support 8 is provided correspondingly with specular symmetry with respect to the longitudinal median axis of the vehicle, that is to say in the region of the right end of the bumper 2. Due to the embodiment for this support and its mounting or its support, reference will be made for the explanations below to the support 8 mounted in the region of the left end of the bumper 2. The covering 3 is supported below the bumper shocks 2 in the respective support 8. The strip 4 disposed in the region of the left end of the bumper 2 is supported exclusively in the covering 3, it is therefore not supported in the pipe ends 5. The support 8 associated with the opening 7 in the casing 3 is arranged next to it of the opening 7. The strip 4 is supported in the covering 3 by means of several fasteners. Concretely, the strip 4 is supported in the covering 3 in an upper region and in a lower region. The strip 4 is connected to the covering 3 at the top by means of a single screw fastening 9 and at the bottom by means of two screw fasteners 10. This gives stable support for the strip 4 in the region of the opening 7 of the covering 3, next to the support 8 associated with the opening 7.
    The respective support 8 has, transversely to the longitudinal direction of the support, a Z-shaped profile, the longitudinal direction of the support corresponding to the Z direction of the vehicle. The respective support 8 is supported in the bumper 2 so that it can be adjusted vertically. Concretely, the support 8 has an upper U-shaped end, the branches 11, 12 of the support 8 being arranged on each side of the bumper 2. In this case, one of the branches 11 is screwed in the region of a slot 13 arranged vertically and the other branch 12 is screwed in the region of an oblong hole 14 arranged vertically. The slot 13 allows the support 8 to pivot about the Y axis when mounting the support 8 on the bumper 2. Concretely, blind crimped threaded bolts 15 are connected to the support 8, which pass through the slot 13 and the oblong hole 14. The branches 11, 12 of the support 8 are fixed between nuts not shown, which are screwed on the threaded bolts to be blind-crimped 15 and on the bumper 2, in the case of the previous orientation of the support 8 with respect to the bumper 2, in the Z direction of the vehicle.
    The respective support 8 has, in the region of the lower end, an additional blind crimped threaded bolt 16, connected thereto. The blind crimp threaded bolts 16 are used for fixing a plate-shaped heat shield 17 relative to a silencer of the exhaust gas system which is arranged in the immediate vicinity of the heat shield 17 before it, by relative to the direction of driving towards the front of the vehicle. At the lower end of the respective support 8, a sheet metal nut 20 is inserted on the support 8 in the driving direction (plane xy). The sheet metal nuts 20 are used to screw the covering 3, so that, thanks to this relatively large lever arm of the support 8, in particular a stable support for the covering 3 is obtained in the two supports 8 and the shield. -shocks 2 in the X direction of the vehicle.
    The two supports 8 also have inserts 18 oriented towards one another to support a piece of foam not shown, arranged between them and the covering 3. Due to the cooperation of the piece of foam between the arrangement of the bumper 2 and the supports 8 and the covering 3, it is possible to obtain particularly advantageous deformation results in a collision test at a relatively low collision speed.
    The following parts, elements, components, parts and means of the invention are referenced as follows on the accompanying drawings: 1 Rear part of the vehicle 2 Bumpers 3 Cover 4 Strip 5 Pipe end 6 Flange 7 Opening 8 Support 9 Attachment to screw 10 Screw binding 11 Branch 12 Branch 13 Slow 14 Oblong hole 15 Threaded blind crimp bolt 16 Threaded blind crimp bolt 17 Heat shield 18 Attachment 19 Opening 20 Sheet metal nut
    Of course, the invention is not limited to the embodiments described and shown in the accompanying drawings. Modifications remain possible, notably from the point of view of the constitution of the various elements or by substitution of technical equivalents, without thereby departing from the scope of protection of the invention.
    权利要求:
    Claims (15)
    [1" id="c-fr-0001]
    1. Rear part of vehicle (1) for a motor vehicle, comprising a bumper (2) produced in the form of a support and arranged in a transverse direction (Y) of the motor vehicle, a covering (3) covering the bumper (2) and a strip (4) for at least one end of the pipe (5) of an exhaust system of the motor vehicle, the casing (3) having an opening below the bumper (2) (7) passing through the covering (3) and the strip (4) passing through this opening (7), characterized in that supports (8) are connected to the bumper (2) behind the covering (3), which extend from the bumper (2) downwards, the covering (3) being supported in the supports (8) below the bumper (2), and the strip (4) being supported in the covering (3).
    [2" id="c-fr-0002]
    2. rear part of vehicle according to claim 1, characterized in that the bumper (2) has, in opposite end regions, each time a support (8) connected thereto.
    [3" id="c-fr-0003]
    3. rear part of the vehicle according to claim 1 or 2, characterized in that the support (8) associated with the opening (7) of the covering (3) is disposed next to or in the vicinity of the opening (7 ).
    [4" id="c-fr-0004]
    4. Rear part of the vehicle according to any one of claims 1 to 3, characterized in that the strip (4) is produced in the form of a strip with two pipes.
    [5" id="c-fr-0005]
    5. rear part of the vehicle according to any one of claims 1 to 4, characterized in that the strip (4), in a strip plane, is completely surrounded by the covering (3).
    [6" id="c-fr-0006]
    6. rear part of the vehicle according to any one of claims 1 to 5, characterized in that the strip (4) is supported in the covering (3) by means of several fasteners (9, 10).
    [7" id="c-fr-0007]
    7. rear part of the vehicle according to any one of claims 1 to 6, characterized in that the strip (4) is supported in the covering (3) in an upper region and a lower region.
    [8" id="c-fr-0008]
    8. Vehicle rear part according to claim 7, characterized in that the strip (4) is supported in the covering (3) at the top by means of a single fixing (9) and at the bottom by means of two fixings ( 10).
    [9" id="c-fr-0009]
    9. Vehicle rear part according to any one of claims 1 to 8, characterized in that the support (8) has, transversely to the longitudinal direction of the support, a Z-shaped profile.
    [10" id="c-fr-0010]
    10. Vehicle rear part according to any one of claims 1 to 9, characterized in that the support (8) is supported in the bumper (2) in a vertically adjustable manner.
    [11" id="c-fr-0011]
    11. Vehicle rear part according to claim 10, characterized in that the support (8) has an upper U-shaped end, the legs (11, 12) of the support (8) being arranged on each side of the bumper (2), and the respective branch (11 or 12) of the support (8) being screwed to the bumper (2) in the region of a slot (13) or an oblong hole (14), arranged (e ) vertically and crossing the respective branch (11 or 12).
    [12" id="c-fr-0012]
    12. Vehicle rear part according to claim 11, characterized in that blind crimped threaded bolts (15) are connected to the support (8), which pass through a slot (13) in one of the branches (11) and an oblong hole (14) in the other branch (12), and nuts screwed onto the blind crimp threaded bolts (15) fix the branches (11, 12) between the nuts and the bumper (2).
    [13" id="c-fr-0013]
    13. Vehicle rear part according to any one of claims 1 to 12, characterized in that a sheet metal nut (20) is inserted on the support (8) in the region of its lower end, in the region of which the support (8) is connected to the covering (3).
    [14" id="c-fr-0014]
    14. Rear part of vehicle according to any one of claims 1 to 13, characterized in that the supports (8) have, on sides facing one another, inserts (18) to support a part foam disposed between them and the covering (3).
    [15" id="c-fr-0015]
    15. Rear part of vehicle according to any one of claims 1 to 14, characterized in that a heat shield (17) to protect against heat a silencer of the exhaust gas system disposed behind the covering (3) is arranged with the supports (8).
    类似技术:
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    同族专利:
    公开号 | 公开日
    US20180326836A1|2018-11-15|
    US10343514B2|2019-07-09|
    CN108860028A|2018-11-23|
    FR3066162B1|2021-04-23|
    DE102017109887A1|2018-11-15|
    CN108860028B|2021-05-04|
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    JP3944183B2|2004-04-01|2007-07-11|本田技研工業株式会社|Vehicle exhaust system support structure|
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    KR100946478B1|2008-03-21|2010-03-10|현대자동차주식회사|Rear bumper assembly and tail trim cover for vehicles|
    KR100962811B1|2008-04-29|2010-06-09|기아자동차주식회사|Tail Trim Manufacture Method Of Exhaust Pipe For Vehicle|
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    JP5379637B2|2009-10-15|2013-12-25|本田技研工業株式会社|Plastic molded products|
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    CN202499001U|2012-01-16|2012-10-24|奇瑞汽车股份有限公司|Decoration cover installation support of automobile tail pipe|
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    CN204082287U|2014-09-02|2015-01-07|安徽江淮汽车股份有限公司|A kind of outlet pipe decorative cover|
    CN204210300U|2014-09-28|2015-03-18|广州汽车集团股份有限公司|A kind of automobile tail pipe cover of upholstery and rear bumper assembly|
    US9982579B2|2015-07-07|2018-05-29|United Technologies Corporation|Thermally compliant heatshield|
    CN106523114B|2016-11-28|2019-08-20|延锋彼欧汽车外饰系统有限公司|A kind of tailpipe system|
    DE102017109887A1|2017-05-09|2018-11-15|Dr. Ing. H.C. F. Porsche Aktiengesellschaft|Vehicle rear of a motor vehicle|DE102017109887A1|2017-05-09|2018-11-15|Dr. Ing. H.C. F. Porsche Aktiengesellschaft|Vehicle rear of a motor vehicle|
    DE102019120003A1|2019-07-24|2021-01-28|Dr. Ing. H.C. F. Porsche Aktiengesellschaft|Vehicle component, especially the rear of the vehicle|
    法律状态:
    2019-04-18| PLFP| Fee payment|Year of fee payment: 2 |
    2020-04-20| PLFP| Fee payment|Year of fee payment: 3 |
    2020-07-24| PLSC| Search report ready|Effective date: 20200724 |
    2021-04-23| PLFP| Fee payment|Year of fee payment: 4 |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102017109887.9A|DE102017109887A1|2017-05-09|2017-05-09|Vehicle rear of a motor vehicle|
    DE102017109887.9|2017-05-09|
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