WO2015102097A1 - Front end impact absorbing structure - Google Patents

Front end impact absorbing structure Download PDF

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Publication number
WO2015102097A1
WO2015102097A1 PCT/JP2014/084623 JP2014084623W WO2015102097A1 WO 2015102097 A1 WO2015102097 A1 WO 2015102097A1 JP 2014084623 W JP2014084623 W JP 2014084623W WO 2015102097 A1 WO2015102097 A1 WO 2015102097A1
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WO
WIPO (PCT)
Prior art keywords
headlamp
assembly
vehicle
shock absorbing
mounting structure
Prior art date
Application number
PCT/JP2014/084623
Other languages
French (fr)
Japanese (ja)
Inventor
ジェームス ブラウン
Original Assignee
日産自動車株式会社
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Publication of WO2015102097A1 publication Critical patent/WO2015102097A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/0491—Shock absorbing devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/082—Engine compartments
    • B62D25/085—Front-end modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/0491—Shock absorbing devices therefor
    • B60Q1/0495—Frangible brackets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/04—Resilient mountings, e.g. shock absorbers 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
    • B60R2021/343—Protecting non-occupants of a vehicle, e.g. pedestrians using deformable body panel, bodywork or components

Definitions

  • the present invention relates to a front end structure for a vehicle.
  • it is related with the front end shock-absorbing structure for vehicles.
  • shock absorbing structure occupies space, vehicle design styling and aerodynamics are affected. For example, it is preferable to maintain streamlined aerodynamic styling, but providing a space to protect against impacts can adversely affect functional aerodynamic styling and also cause body styling problems.
  • tolerances are important in the quality of the front end assembly.
  • the headlamps such as grills, hoods, bumpers, fenders, etc.
  • Fenders are important in that they provide a hard point that determines how all tolerances are stacked, so there is less flexibility in moving or changing these points and structures. Due to these rigid structures, the risk of serious injury to pedestrians during impact increases.
  • the lamp assembly In the case of a lamp that has been installed in the past, the lamp assembly will collapse when it collides with the front vehicle box. Since the headlamp and its housing can be very rigid, they often remain completely against the front end in the event of a collision and are dangerous. Spatial limitations mean that the headlamps cannot be deformed sufficiently, for example to adequately protect pedestrians from impacts.
  • the current front impact solution is to separate the lamp from the vehicle using a lamp mounting bracket designed to collapse or deform.
  • the problem with this solution is that the action of the collapsible bracket is unpredictable and the ramp path is also unpredictable.
  • Patent Document 1 discloses a headlight unit that buckles under the control of force in a setting direction.
  • Patent Document 2 discloses a headlamp that has improved energy absorption at the time of a collision, for example.
  • Patent Document 3 for example, there is a disclosure of a headlamp with improved energy absorption at the time of a collision.
  • Patent Document 1 there is no shelf and mounting structure as in the present design.
  • the buckling support is a rubber bellows.
  • energy absorption is performed via a deformable bending member and does not form part of the attachment as in the present design.
  • Patent Document 3 the deformable part of the assembly is in the lamp housing and the lens, but not in the mounting part of the lamp itself.
  • an object of the present invention is to provide an improved front end shock absorbing structure.
  • the present invention there is provided means for mounting the headlamp so that the headlamp moves along a predetermined energy absorption path in the event of a collision.
  • the provided vehicle front end shock absorbing assembly includes a headlamp mounting structure for mounting a headlamp and a vehicle front end assembly.
  • the headlamp mounting structure includes a deformable portion that is deformed when the headlamp mounted on the mounting structure receives an impact.
  • the headlamp is guided along a predetermined energy absorption path defined by the vehicle front end assembly when it receives an impact.
  • FIG. 1 shows a vehicle in an embodiment of the present invention.
  • FIG. 2 is a perspective view of a front end assembly using an embodiment of the present invention.
  • FIG. 3 is an exploded perspective view of a front end assembly using an embodiment of the present invention.
  • FIG. 4 is an enlarged plan view of the assembly of FIG.
  • FIG. 5 shows details of a headlamp mounting structure according to an embodiment of the present invention.
  • FIG. 6 shows details of a hood ledge according to an embodiment of the present invention.
  • 7A is a cross-sectional view taken along the line BB of FIG. 4 in the headlamp at the time of impact.
  • 7B is a cross-sectional view taken along the line BB of FIG. 4 in the headlamp at the time of impact.
  • 7C is a cross-sectional view taken along the line BB of FIG. 4 in the headlamp at the time of impact.
  • 7D is a cross-sectional view taken along the line BB of FIG. 4 in the headlamp at the time of impact
  • the 1 includes a front end assembly 2 including a headlamp 10 and a fender 15.
  • the headlamp 10 corresponds to a headlamp assembly.
  • the headlamp 10 When an impact occurs in the front headlamp 10, normally, the headlamp 10 is forced to be moved into the rigid front end assembly 2 having low shock absorption performance because there is no space from the collision zone.
  • the front end assembly 2 includes a headlamp 10, a fender 15, and a hood ledge 20.
  • a radiator core support 25 is also illustrated.
  • the front end assembly 2 includes a front end assembly portion and can be a hood ledge 20 of a vehicle. In the embodiment of the present invention, the front end assembly 2 corresponds to a vehicle front end shock absorbing assembly.
  • the headlamp 10 can be provided with a headlamp mounting structure 45 for mounting the headlamp 10 to the hood ledge 20.
  • the fender 15 forms a part of the body of the vehicle body.
  • the headlamp 10 can be attached to the fender 15 via the headlamp attachment structure 45.
  • the hood ledge 20 has a headlamp mounting portion 35 and a front end assembly guiding feature 40.
  • the headlamp mounting portion 35 can mount the headlamp 10 and the fender 15. More specifically, the headlamp mounting portion 35 can mount the headlamp 10 via the hood ledge 20 and the headlamp mounting structure 45.
  • the front end assembly guide feature 40 can be formed as a surface from the front of the hood ledge 20 in the vehicle front-rear direction to the upper surface and side surfaces of the hood ledge 20. That is, the hood ledge 20 has at least one front end assembly guiding feature 40 for guiding the headlamp 10 mounted by the headlamp mounting structure 45 along the energy absorption path. Thus, the headlamp is guided along the front end assembly guide feature 40 by impact force.
  • the front end assembly guiding feature 40 in this embodiment corresponds to a force direction indicating surface that defines an energy absorption path.
  • the headlamp 10 is attached to the headlamp attachment portion 35 on the hood ledge 20 by the headlamp attachment structure 45. Details of the headlamp mounting structure 45 are shown in FIG. 5 as indicated by a box A in FIG.
  • the headlamp mounting structure 45 can take any suitable fastening means such as, for example, using bolts and nuts or similar threaded parts.
  • the headlamp mounting structure 45 includes a headlamp fixing portion 50 that fixes the headlamp, a hoodage fixing portion 55 that fixes the headlamp 10 and the hoodage 20, and a deformable portion 60.
  • the headlamp mounting structure 45 can be a modified mounting bracket. The modified bracket arrangement assists in collapsing the headlamp 10 and guiding the headlamp 10 in a predictable manner that improves the operation of the corresponding hood ledge 20 and lamp features.
  • the deformable portion 60 is arranged so as to be deformed when an impact occurs on the headlamp. That is, the deformable portion 60 can be a deformable portion that deforms at the time of vehicle impact. Alternatively, the deformable portion 60 can be designed to be disintegratable so that the headlamp 10 is detached from the hood ledge 20.
  • the deformable portion 60 can be an elastic portion of a flange-shaped member by providing a bent portion in the portion, for example.
  • FIG. 6 shows details of the food ledge 20.
  • the front end assembly guidance feature 40 is a force direction indicating surface. This is illustrated as a flat and angled portion of the hood ledge 20.
  • the headlamp 10 is guided along a predetermined energy absorption path defined by the hood ledge 20. That is, when an impact occurs, the headlamp moves into the front end assembly guide feature 40 and the headlamp 10 is guided along the front end assembly guide feature 40.
  • the front end assembly guidance feature 40 guides the headlamp 10 along a predetermined path while absorbing impact energy.
  • the headlamp is advantageously moved away from the impact source.
  • the rigid structure stops the buckling of the headlamp under impact. Furthermore, the energy of impact can be controlled.
  • 7A to 7D show the front assembly at the time of impact.
  • 7A to 7D show a cross section BB of FIG.
  • the headlamp 10 is guided along the front end assembly guide feature 40 by an impact force.
  • the headlamp 10 is forcibly moved rearward along the force direction indicating surface.
  • the angle of the front end assembly guidance feature 40 functions to both absorb impact energy and direct the impact energy away from the vehicle hard point. If the front end assembly guide feature 40 does not control the direction in which the headlamp 10 moves during an impact, the headlamp 10 collides with a rigid vehicle structure such as the radiator core support 25 and stops. The result is an increased risk of injury and damage.
  • energy absorption is stopped, and as a result, the danger due to the impact is increased.
  • the headlamp 10 can have a cooperating guidance feature 70 arranged to cooperate with the front end assembly guidance feature 40. As a result, guidance of the headlamp 10 along a predetermined energy absorption path is supported.
  • This may be a second force direction indicating surface that is complementary to one of the hood ledges 20.
  • the headlamp 10 includes a cooperative guiding feature 70 that cooperates with the hood ledge 20 to guide the headlamp 10 along the energy absorption path.
  • the cooperating guidance feature 70 can be a force direction indicating surface that generally faces the front end assembly guidance feature 40.
  • Front end assembly guide feature 40 includes a modified hood ledge 20 surface.
  • the co-operating guidance feature 70 surface also cooperates with the modified hood ledge 20 surface to provide a force direction indicating surface that guides the headlamp 10 away from the vehicle body in a safe and controlled manner. Can do.
  • a vehicle using the vehicle front end shock absorbing assembly as described above can be used.
  • collision safety is improved without requiring a complicated change of the vehicle headlamp assembly, and no additional components are required.
  • Headlamps and front ends such as hood ledges can be further impacted without increasing the number of components or complicating the front end assembly due to, for example, the complexity of mounting the headlamps on the chassis. It is included in the function of the assembly.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

The present invention relates to a vehicle front end impact absorbing assembly including a head lamp mounting structure and a front end assembly section. The head lamp mounting structure has a deformable portion. The deformable portion deforms so that, when a head lamp mounted on the mounting structure is subjected to an impact, the head lamp is guided along a predetermined energy absorbing path defined by the vehicle front end assembly section and by a surface on a head lamp assembly.

Description

フロントエンド衝撃吸収構造Front-end shock absorption structure
　本発明は、車両用のフロントエンド構造に関する。詳細には、車両用のフロントエンド衝撃吸収構造に関する。 The present invention relates to a front end structure for a vehicle. In detail, it is related with the front end shock-absorbing structure for vehicles.
　車両において、例えば衝撃を吸収する衝撃吸収ゾーンによりフロント衝撃保護を得ることが所望されている。これは、車両と歩行者とが衝突した場合において特に重要である。 In vehicles, for example, it is desired to obtain front impact protection by an impact absorbing zone that absorbs impact. This is particularly important when a vehicle and a pedestrian collide.
　剛体構造である場合、構成部品が強固に取り付けられた場合または適切な衝撃吸収を提供するために利用可能な空間が無い場合、適切な衝撃保護を達成することが困難なことがある。このような１つの事例として、車両のヘッドランプが車両のフロント部に固定して取り付けられている場合がある。 In the case of a rigid structure, it may be difficult to achieve adequate shock protection if the component is firmly attached or if there is no space available to provide adequate shock absorption. As one example of this, there is a case where a vehicle headlamp is fixedly attached to the front portion of the vehicle.
　衝撃吸収構造は空間を占有するため、車両設計スタイリングおよび空気力学に影響が出る。例えば、流線型の空気力学スタイリングを維持することが好ましいが、衝撃を保護する空間を設けた場合、機能的な空気力学スタイリングに悪影響を及ぼす可能性があり、ボディスタイリングの問題も生じる。 ∙ Since the shock absorbing structure occupies space, vehicle design styling and aerodynamics are affected. For example, it is preferable to maintain streamlined aerodynamic styling, but providing a space to protect against impacts can adversely affect functional aerodynamic styling and also cause body styling problems.
　さらに、フロントエンド組立体の品質において公差も重要である。車両構造においては、例えばグリル、フード、バンパー、フェンダーなど、ヘッドランプの配置に接触／影響する異なった部品がある。それぞれは、関連付けられた公差を有する。フェンダーは、全ての公差が積み重なる態様を決定するハードポイントを提供する点において重要であるため、これらのポイントおよび構造の移動または変更において柔軟性が少ない。これらの強固な構造に起因して、衝撃時における歩行者への重大な負傷の危険性が増大する。 In addition, tolerances are important in the quality of the front end assembly. In the vehicle structure, there are different parts that contact / influence the arrangement of the headlamps, such as grills, hoods, bumpers, fenders, etc. Each has an associated tolerance. Fenders are important in that they provide a hard point that determines how all tolerances are stacked, so there is less flexibility in moving or changing these points and structures. Due to these rigid structures, the risk of serious injury to pedestrians during impact increases.
　これは、車両スタイリングの点において重要なだけでなく、空気力学的性能にも大きな影響を与える点において重要であり、ヘッドランプ組立体の場合に特にあてはまる。 This is not only important in terms of vehicle styling, but also important in that it has a significant impact on aerodynamic performance, and is especially true for headlamp assemblies.
　従来搭載されていたランプの場合、フロント車両ボックスとの衝突時においてランプ組立体が崩壊する。ヘッドランプおよびそのハウジングは極めて高剛性であり得るため、衝突時においてフロントエンドに対して完全にとどまる場合が多く、危険である。空間的制限があるということは、例えば適切に歩行者を衝撃から保護するために、ヘッドランプを十分に変形できないことを意味する。 In the case of a lamp that has been installed in the past, the lamp assembly will collapse when it collides with the front vehicle box. Since the headlamp and its housing can be very rigid, they often remain completely against the front end in the event of a collision and are dangerous. Spatial limitations mean that the headlamps cannot be deformed sufficiently, for example to adequately protect pedestrians from impacts.
　現行のフロント衝撃の解決方法は、崩壊または変形するように設計されたランプ取付ブラケットを用いて、ランプを車両から分離することである。この解決方法の問題点は、崩壊可能なブラケットの作用が予測不可能であり、またランプ経路も予測不可能な点である。 The current front impact solution is to separate the lamp from the vehicle using a lamp mounting bracket designed to collapse or deform. The problem with this solution is that the action of the collapsible bracket is unpredictable and the ramp path is also unpredictable.
　例えば特許文献１において、設定方向における力の支配下において座屈するヘッドライトユニットについての開示がある。特許文献２において、例えば衝突時におけるエネルギー吸収が向上したヘッドランプについての開示がある。特許文献３において、例えば衝突時におけるエネルギー吸収が向上したヘッドランプについての開示がある。 For example, Patent Document 1 discloses a headlight unit that buckles under the control of force in a setting direction. Patent Document 2 discloses a headlamp that has improved energy absorption at the time of a collision, for example. In Patent Document 3, for example, there is a disclosure of a headlamp with improved energy absorption at the time of a collision.
米国特許第７００４６０８号明細書US Patent No. 7004608 米国特許第７０４０７９３号明細書U.S. Pat. No. 7,040,793 米国特許出願公開第２００１／００４６１４０号明細書US Patent Application Publication No. 2001/0046140
　しかし、特許文献１においては、本設計のようなシェルフおよび取付構造が無い。また、座屈サポートは、ゴムベローズである。特許文献２においては、エネルギー吸収は、変形可能な屈曲部材を経由して行われ、本設計のように取り付けの一部を形成していない。特許文献３においては、組立体の変形可能な部分は、ランプハウジングおよびレンズ内にあり、ランプそのものの取付部分には無い。 However, in Patent Document 1, there is no shelf and mounting structure as in the present design. The buckling support is a rubber bellows. In Patent Document 2, energy absorption is performed via a deformable bending member and does not form part of the attachment as in the present design. In Patent Document 3, the deformable part of the assembly is in the lamp housing and the lens, but not in the mounting part of the lamp itself.
　公知の解決方法の場合、衝撃時におけるヘッドランプのためのエネルギー吸収経路が設けられることを示していないか、または一般的にフロント組立体において広範な変更が必要になり、特にヘッドランプ組立体において広範な変更が必要になる。このような解決方法の場合、車両のフロントエンドの組み立て容易性を損ねる可能性があるため、コストおよび組立時間の増加につながる。 The known solutions do not indicate that an energy absorption path for the headlamp in the event of an impact is provided or generally requires extensive changes in the front assembly, especially in the headlamp assembly Extensive changes are required. Such a solution may impair the ease of assembly of the front end of the vehicle, leading to an increase in cost and assembly time.
　よって、本発明の目的は、向上したフロントエンド衝撃吸収構造を提供することである。 Therefore, an object of the present invention is to provide an improved front end shock absorbing structure.
　本発明によれば、独立請求項に記載のような装置および方法が提供される。 According to the present invention, an apparatus and a method as described in the independent claims are provided.
　本発明によれば、衝突時においてヘッドランプが所定のエネルギー吸収経路に沿って移動するようにヘッドランプを取りつけるための手段が提供される。 According to the present invention, there is provided means for mounting the headlamp so that the headlamp moves along a predetermined energy absorption path in the event of a collision.
　提供される車両フロントエンド衝撃吸収組立体は、ヘッドランプを取り付けるためのヘッドランプ取付構造と、車両フロントエンド組立部を備える。ヘッドランプ取付構造は、取付構造に取り付けられたヘッドランプが衝撃を受けた場合に変形する変形可能部を備える。ヘッドランプは、衝撃を受けた場合に車両フロントエンド組立部によって規定された所定のエネルギー吸収経路に沿って誘導される。 The provided vehicle front end shock absorbing assembly includes a headlamp mounting structure for mounting a headlamp and a vehicle front end assembly. The headlamp mounting structure includes a deformable portion that is deformed when the headlamp mounted on the mounting structure receives an impact. The headlamp is guided along a predetermined energy absorption path defined by the vehicle front end assembly when it receives an impact.
図１は、本発明の実施形態における車両を示す。FIG. 1 shows a vehicle in an embodiment of the present invention. 図２は、本発明の実施形態を用いたフロントエンド組立体の斜視図である。FIG. 2 is a perspective view of a front end assembly using an embodiment of the present invention. 図３は、本発明の実施形態を用いたフロントエンド組立体の分解斜視図である。FIG. 3 is an exploded perspective view of a front end assembly using an embodiment of the present invention. 図４は、図２の組立体の拡大平面図である。FIG. 4 is an enlarged plan view of the assembly of FIG. 図５は、本発明の実施形態によるヘッドランプ取付構造の詳細を示す。FIG. 5 shows details of a headlamp mounting structure according to an embodiment of the present invention. 図６は、本発明の実施形態によるフードレッジの詳細を示す。FIG. 6 shows details of a hood ledge according to an embodiment of the present invention. 図７Ａは、衝撃時のヘッドランプにおける図４のＢ－Ｂ断面図である。7A is a cross-sectional view taken along the line BB of FIG. 4 in the headlamp at the time of impact. 図７Ｂは、衝撃時のヘッドランプにおける図４のＢ－Ｂ断面図である。7B is a cross-sectional view taken along the line BB of FIG. 4 in the headlamp at the time of impact. 図７Ｃは、衝撃時のヘッドランプにおける図４のＢ－Ｂ断面図である。7C is a cross-sectional view taken along the line BB of FIG. 4 in the headlamp at the time of impact. 図７Ｄは、衝撃時のヘッドランプにおける図４のＢ－Ｂ断面図である。7D is a cross-sectional view taken along the line BB of FIG. 4 in the headlamp at the time of impact.
　以下、本発明の実施形態を図面と共に詳述する。なお、図面の寸法比率は説明の都合上誇張されており、実際の比率とは異なる場合がある。また、図面中、類似の部分を類似の参照符号によって指す。 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In addition, the dimension ratio of drawing is exaggerated on account of description, and may differ from an actual ratio. In the drawings, like parts are indicated by like reference numerals.
　図１に示す車両１は、ヘッドランプ１０およびフェンダー１５を備えたフロントエンド組立体２を備える。なお、本実施形態において、ヘッドランプ１０はヘッドランプ組立体に相当する。 1 includes a front end assembly 2 including a headlamp 10 and a fender 15. In the present embodiment, the headlamp 10 corresponds to a headlamp assembly.
　フロントヘッドランプ１０に衝撃が発生した場合、通常、ヘッドランプ１０は衝突ゾーンからの空間が無いため、強制的に衝撃吸収性能が低い剛性のフロントエンド組立体２内へと移動させられる。 When an impact occurs in the front headlamp 10, normally, the headlamp 10 is forced to be moved into the rigid front end assembly 2 having low shock absorption performance because there is no space from the collision zone.
　図２～図４は、車両１のフロント組立体を詳細に示している。フロントエンド組立体２は、ヘッドランプ１０、フェンダー１５およびフードレッジ２０を有する。ラジエータコア支持部２５も図示される。なお、フロントエンド組立体２は、フロントエンド組立部を含み、車両のフードレッジ２０とすることができる。本発明の実施形態において、フロントエンド組立体２は車両用フロントエンド衝撃吸収組立体に相当する。 2 to 4 show the front assembly of the vehicle 1 in detail. The front end assembly 2 includes a headlamp 10, a fender 15, and a hood ledge 20. A radiator core support 25 is also illustrated. The front end assembly 2 includes a front end assembly portion and can be a hood ledge 20 of a vehicle. In the embodiment of the present invention, the front end assembly 2 corresponds to a vehicle front end shock absorbing assembly.
　ヘッドランプ１０は、ヘッドランプ１０をフードレッジ２０に取り付けるためのヘッドランプ取付構造４５を設けることができる。 The headlamp 10 can be provided with a headlamp mounting structure 45 for mounting the headlamp 10 to the hood ledge 20.
　フェンダー１５は、車体のボディの一部を形成する。ヘッドランプ１０はヘッドランプ取付構造４５を介してフェンダー１５に取り付けることができる。 The fender 15 forms a part of the body of the vehicle body. The headlamp 10 can be attached to the fender 15 via the headlamp attachment structure 45.
　フードレッジ２０は、ヘッドランプ取付部３５およびフロントエンド組立体誘導フィーチャ４０を有する。 The hood ledge 20 has a headlamp mounting portion 35 and a front end assembly guiding feature 40.
　ヘッドランプ取付部３５は、ヘッドランプ１０およびフェンダー１５を取り付けることができる。さらに具体的には、ヘッドランプ取付部３５は、フードレッジ２０、ヘッドランプ取付構造４５を介して、ヘッドランプ１０を取り付けることができる。 The headlamp mounting portion 35 can mount the headlamp 10 and the fender 15. More specifically, the headlamp mounting portion 35 can mount the headlamp 10 via the hood ledge 20 and the headlamp mounting structure 45.
　フロントエンド組立体誘導フィーチャ４０は、フードレッジ２０の車両前後方向前方から、フードレッジ２０の上面および側面にかけて面として形成することができる。すなわち、フードレッジ２０は、前記ヘッドランプ取付構造４５で取り付けられたヘッドランプ１０をエネルギー吸収経路に沿って誘導するための少なくとも１つのフロントエンド組立体誘導フィーチャ４０を有する。そのため、ヘッドランプは、衝撃力によってフロントエンド組立体誘導フィーチャ４０に沿って誘導される。なお、本実施形態におけるフロントエンド組立体誘導フィーチャ４０は、エネルギー吸収経路を規定する力方向指示面に相当する。 The front end assembly guide feature 40 can be formed as a surface from the front of the hood ledge 20 in the vehicle front-rear direction to the upper surface and side surfaces of the hood ledge 20. That is, the hood ledge 20 has at least one front end assembly guiding feature 40 for guiding the headlamp 10 mounted by the headlamp mounting structure 45 along the energy absorption path. Thus, the headlamp is guided along the front end assembly guide feature 40 by impact force. Note that the front end assembly guiding feature 40 in this embodiment corresponds to a force direction indicating surface that defines an energy absorption path.
　本実施形態において、ヘッドランプ１０は、ヘッドランプ取付構造４５によってフードレッジ２０上のヘッドランプ取付部３５に取り付けられる。図４の囲みＡで示す通り、ヘッドランプ取付構造４５の詳細を図５に示す。ヘッドランプ取付構造４５は、例えばボルトおよびナットまたは類似のねじ部品を用いたものなど、任意の適切な締結手段を取ることができる。ヘッドランプ取付構造４５は、ヘッドランプを固定するヘッドランプ固定部５０、ヘッドランプ１０とフードレッジ２０を固定するフードレッジ固定部５５および変形可能部６０を含む。例えば、ヘッドランプ取付構造４５は、変更された取付ブラケットとすることができる。変更されたブラケット配置構成により、ヘッドランプ１０の崩壊と、対応するフードレッジ２０およびランプフィーチャの動作を向上させるような予測可能な態様でヘッドランプ１０を誘導することとが支援される。 In this embodiment, the headlamp 10 is attached to the headlamp attachment portion 35 on the hood ledge 20 by the headlamp attachment structure 45. Details of the headlamp mounting structure 45 are shown in FIG. 5 as indicated by a box A in FIG. The headlamp mounting structure 45 can take any suitable fastening means such as, for example, using bolts and nuts or similar threaded parts. The headlamp mounting structure 45 includes a headlamp fixing portion 50 that fixes the headlamp, a hoodage fixing portion 55 that fixes the headlamp 10 and the hoodage 20, and a deformable portion 60. For example, the headlamp mounting structure 45 can be a modified mounting bracket. The modified bracket arrangement assists in collapsing the headlamp 10 and guiding the headlamp 10 in a predictable manner that improves the operation of the corresponding hood ledge 20 and lamp features.
　変形可能部６０は、ヘッドランプに衝撃が生じた場合に変形するように配置される。すなわち、変形可能部６０は、車両衝撃時において変形する変形可能部とすることができる。あるいは、変形可能部６０は、ヘッドランプ１０がフードレッジ２０から外れるように崩壊可能に設計することもできる。 The deformable portion 60 is arranged so as to be deformed when an impact occurs on the headlamp. That is, the deformable portion 60 can be a deformable portion that deforms at the time of vehicle impact. Alternatively, the deformable portion 60 can be designed to be disintegratable so that the headlamp 10 is detached from the hood ledge 20.
　変形可能部６０は、例えば当該部分内に屈曲部を設けることにより、フランジ状部材の弾性部分とすることができる。 The deformable portion 60 can be an elastic portion of a flange-shaped member by providing a bent portion in the portion, for example.
　図６は、フードレッジ２０の詳細を示す。フロントエンド組立体誘導フィーチャ４０は、力方向指示面である。これを、フードレッジ２０の平坦かつ角度付けされた部分として図示する。ヘッドランプに衝撃が生じた場合、ヘッドランプ取付構造４５は変形し、ヘッドランプは力方向指示面に沿って後方に強制移動され、ヘッドランプは表面と角度を以て接触し、衝撃エネルギーが吸収される。 FIG. 6 shows details of the food ledge 20. The front end assembly guidance feature 40 is a force direction indicating surface. This is illustrated as a flat and angled portion of the hood ledge 20. When an impact occurs in the headlamp, the headlamp mounting structure 45 is deformed, the headlamp is forcibly moved rearward along the force direction indicating surface, and the headlamp comes into contact with the surface at an angle and the impact energy is absorbed. .
　よって、車両衝撃後、前記ヘッドランプ１０は、フードレッジ２０によって規定された所定のエネルギー吸収経路に沿って誘導される。すなわち、衝撃発生時において、ヘッドランプはフロントエンド組立体誘導フィーチャ４０内へ移動し、ヘッドランプ１０はフロントエンド組立体誘導フィーチャ４０に沿って誘導される。フロントエンド組立体誘導フィーチャ４０は、衝撃エネルギーを吸収しつつ、ヘッドランプ１０を所定の経路に沿って誘導する。 Therefore, after the vehicle impact, the headlamp 10 is guided along a predetermined energy absorption path defined by the hood ledge 20. That is, when an impact occurs, the headlamp moves into the front end assembly guide feature 40 and the headlamp 10 is guided along the front end assembly guide feature 40. The front end assembly guidance feature 40 guides the headlamp 10 along a predetermined path while absorbing impact energy.
　所定のエネルギー吸収経路を車両に沿って設けることにより、ヘッドランプは、衝撃源から離隔方向に有利に移動される。剛体構造は、衝撃下においてヘッドランプの座屈が止まる。さらに、衝撃のエネルギーを制御することができる。 By providing a predetermined energy absorption path along the vehicle, the headlamp is advantageously moved away from the impact source. The rigid structure stops the buckling of the headlamp under impact. Furthermore, the energy of impact can be controlled.
　図７Ａ～図７Ｄは、衝撃時におけるフロント組立体を示す。図７Ａ～図７Ｄは、図４の断面Ｂ－Ｂを示す。図７Ａ～図７Ｄから分かるように、ヘッドランプ１０は、衝撃力によってフロントエンド組立体誘導フィーチャ４０に沿って誘導される。図７Ａ～図７Ｄに進むに従い、ヘッドランプ１０は力方向指示面に沿って後方に強制移動される。フロントエンド組立体誘導フィーチャ４０の角度は、衝撃エネルギーを吸収することと、衝撃エネルギーを車両のハードポイントから離隔方向に方向付けることとをどちらとも行うように機能する。フロントエンド組立体誘導フィーチャ４０が衝撃時においてヘッドランプ１０が移動する方向を制御しなかった場合、ヘッドランプ１０が、例えば、ラジエータコア支持部２５などの剛体車両構造に衝突して停止し、その結果負傷および損傷の危険性が高まる。ヘッドランプ１０が衝撃時においてこのような剛体構造によって停止した場合、エネルギー吸収が停止し、その結果、衝撃による危険性が増す。 7A to 7D show the front assembly at the time of impact. 7A to 7D show a cross section BB of FIG. As can be seen from FIGS. 7A-7D, the headlamp 10 is guided along the front end assembly guide feature 40 by an impact force. 7A to 7D, the headlamp 10 is forcibly moved rearward along the force direction indicating surface. The angle of the front end assembly guidance feature 40 functions to both absorb impact energy and direct the impact energy away from the vehicle hard point. If the front end assembly guide feature 40 does not control the direction in which the headlamp 10 moves during an impact, the headlamp 10 collides with a rigid vehicle structure such as the radiator core support 25 and stops. The result is an increased risk of injury and damage. When the headlamp 10 is stopped by such a rigid structure at the time of impact, energy absorption is stopped, and as a result, the danger due to the impact is increased.
　ヘッドランプ１０は、フロントエンド組立体誘導フィーチャ４０と協働するように配置された協働型誘導フィーチャ７０を有することが出来る。その結果、所定のエネルギー吸収経路に沿ったヘッドランプ１０の誘導が支援される。これは、フードレッジ２０の１つに対して補完的な第２の力方向指示面であり得る。すなわち、ヘッドランプ１０は、フードレッジ２０と協働してヘッドランプ１０をエネルギー吸収経路に沿って誘導する協働型誘導フィーチャ７０を備える。協働型誘導フィーチャ７０は、フロントエンド組立体誘導フィーチャ４０に概して対向する力方向指示面とすることができる。 The headlamp 10 can have a cooperating guidance feature 70 arranged to cooperate with the front end assembly guidance feature 40. As a result, guidance of the headlamp 10 along a predetermined energy absorption path is supported. This may be a second force direction indicating surface that is complementary to one of the hood ledges 20. In other words, the headlamp 10 includes a cooperative guiding feature 70 that cooperates with the hood ledge 20 to guide the headlamp 10 along the energy absorption path. The cooperating guidance feature 70 can be a force direction indicating surface that generally faces the front end assembly guidance feature 40.
　フロントエンド組立体誘導フィーチャ４０は変更されたフードレッジ２０表面を備える。また、協働型誘導フィーチャ７０表面は変更されたフードレッジ２０の表面と共に協働して安全かつ制御された態様でヘッドランプ１０を車両のボディから離隔方向に誘導する力方向指示面を提供することができる。 Front end assembly guide feature 40 includes a modified hood ledge 20 surface. The co-operating guidance feature 70 surface also cooperates with the modified hood ledge 20 surface to provide a force direction indicating surface that guides the headlamp 10 away from the vehicle body in a safe and controlled manner. Can do.
　エネルギー吸収経路に沿ったヘッドランプの誘導の支援するために、他のフィーチャを追加してもよい。 Other features may be added to assist with headlamp guidance along the energy absorption path.
　エネルギー吸収経路に沿ったヘッドランプの誘導時におけるエネルギー吸収の制御を支援するために、他の特徴を設けてもよい。 Other features may be provided to assist in controlling energy absorption during headlamp guidance along the energy absorption path.
　また、上述したような車両用フロントエンド衝撃吸収組立体を用いた車両とすることもできる。 Also, a vehicle using the vehicle front end shock absorbing assembly as described above can be used.
　英国特許出願第ＧＢ１４００１４５．７号（出願日：２０１４年１月６日）の全内容は、ここに援用される。 The entire contents of UK patent application GB1400145.7 (filing date: January 6, 2014) are incorporated herein by reference.
　以上、実施例に沿って本発明の内容を説明したが、本発明はこれらの記載に限定されるものではなく、種々の変形及び改良が可能であることは、当業者には自明である。 As mentioned above, although the content of the present invention has been described according to the embodiments, the present invention is not limited to these descriptions, and it is obvious to those skilled in the art that various modifications and improvements are possible.
　本発明によれば、車両のヘッドランプ組立体の複雑な変更をすることなく、衝突安全性を向上させ、さらなる構成部品は不要である。構成部品数の増加または、例えばヘッドランプのシャーシへの取付態様の複雑化に起因する、フロントエンド組立体の複雑化を引き起こすこと無く、さらなる衝撃安全性が、フードレッジなどのヘッドランプおよびフロントエンド組立体の機能に盛り込まれる。 According to the present invention, collision safety is improved without requiring a complicated change of the vehicle headlamp assembly, and no additional components are required. Headlamps and front ends such as hood ledges can be further impacted without increasing the number of components or complicating the front end assembly due to, for example, the complexity of mounting the headlamps on the chassis. It is included in the function of the assembly.
　１０　　ヘッドランプ
　２０　　フードレッジ
　４０　　フロントエンド組立体誘導フィーチャ
　４５　　ヘッドランプ取付構造
　７０　　協働型誘導フィーチャ
  DESCRIPTION OF SYMBOLS 10 Headlamp 20 Hood ledge 40 Front end assembly guidance | induction feature 45 Headlamp mounting structure 70 Cooperative guidance | induction feature

Claims (9)

  1. 　ヘッドランプ組立体と、
    　フロントエンド組立部と、
    　前記ヘッドランプ組立体をフロントエンド組立部に取り付けるためのヘッドランプ取付構造と、を備え、
    　前記ヘッドランプ取付構造は、車両衝撃時において変形する変形可能部を有し、車両衝撃後、前記ヘッドランプ組立体は、前記フロントエンド組立部によって規定された所定のエネルギー吸収経路に沿って誘導されることを特徴とする車両用フロントエンド衝撃吸収組立体。     A headlamp assembly;
    A front end assembly section;
    A headlamp mounting structure for mounting the headlamp assembly to a front end assembly,
    The headlamp mounting structure has a deformable portion that is deformed at the time of vehicle impact, and after the vehicle impact, the headlamp assembly is guided along a predetermined energy absorption path defined by the front end assembly portion. A vehicle front-end shock absorbing assembly.
  2. 　前記フロントエンド組立部は、車両のフードレッジであることを特徴とする請求項１に記載の車両用フロントエンド衝撃吸収組立体。 The vehicle front end shock absorbing assembly according to claim 1, wherein the front end assembly portion is a hood ledge of a vehicle.
  3. 　前記フロントエンド組立部は、前記ヘッドランプ取付構造で取り付けられた前記ヘッドランプ組立体をエネルギー吸収経路に沿って誘導するための少なくとも１つのフロントエンド組立体誘導フィーチャを有することを特徴とする請求項１または２に記載の車両用フロントエンド衝撃吸収組立体。 The front end assembly includes at least one front end assembly guiding feature for guiding the head lamp assembly mounted by the head lamp mounting structure along an energy absorption path. The vehicle front end shock absorbing assembly according to 1 or 2.
  4. 　前記フロントエンド組立体誘導フィーチャは、エネルギー吸収経路を規定する力方向指示面であることを特徴とする請求項３に記載の車両用フロントエンド衝撃吸収組立体。 The vehicle front end shock absorbing assembly according to claim 3, wherein the front end assembly guiding feature is a force direction indicating surface that defines an energy absorbing path.
  5. 　前記ヘッドランプ組立体は、前記フロントエンド組立部と協働して前記ヘッドランプ組立体を前記エネルギー吸収経路に沿って誘導する協働型誘導フィーチャを備えることを特徴とする請求項１～４のいずれか１つに記載の車両用フロントエンド衝撃吸収組立体。 The headlamp assembly includes a cooperating guidance feature for guiding the headlamp assembly along the energy absorption path in cooperation with the front end assembly. A vehicle front-end shock absorbing assembly according to claim 1.
  6. 　前記協働型誘導フィーチャは、前記フロントエンド組立体誘導フィーチャに概して対向する力方向指示面であることを特徴とする請求項５に記載の車両用フロントエンド衝撃吸収組立体。 6. The vehicle front end shock absorbing assembly according to claim 5, wherein the cooperative guiding feature is a force direction indicating surface generally facing the front end assembly guiding feature.
  7. 　前記フロントエンド組立体誘導フィーチャは変更されたフードレッジの表面を備え、前記協働型誘導フィーチャの表面は前記変更されたフードレッジの表面と共に協働して安全かつ制御された態様で前記ランプを前記車両のボディから離隔方向に誘導する力方向指示面を提供することを特徴とする請求項６に記載の車両用フロントエンド衝撃吸収組立体。 The front end assembly guide feature includes a modified hoodage surface, and the cooperating guide feature surface cooperates with the modified hoodage surface to drive the lamp in a safe and controlled manner. The vehicle front-end shock absorbing assembly according to claim 6, further comprising a force direction indicating surface that is guided in a direction away from the vehicle body.
  8. 　前記ヘッドランプ取付構造はブラケットであることを特徴とする請求項１～７のいずれか１つに記載の車両用フロントエンド衝撃吸収組立体。 The vehicle front end shock absorbing assembly according to any one of claims 1 to 7, wherein the headlamp mounting structure is a bracket.
  9. 　請求項１～８のいずれか１つに記載の車両用フロントエンド衝撃吸収組立体を用いた車両。 A vehicle using the vehicle front-end shock absorbing assembly according to any one of claims 1 to 8.
PCT/JP2014/084623 2014-01-06 2014-12-26 Front end impact absorbing structure WO2015102097A1 (en)

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GB1400145.7A GB2522613A (en) 2014-01-06 2014-01-06 Front end impact structure
GB1400145.7 2014-01-06

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