WO2013087424A1 - Vehicule automobile comprenant un moyen de renfort de capot avant - Google Patents
Vehicule automobile comprenant un moyen de renfort de capot avant Download PDFInfo
- Publication number
- WO2013087424A1 WO2013087424A1 PCT/EP2012/074051 EP2012074051W WO2013087424A1 WO 2013087424 A1 WO2013087424 A1 WO 2013087424A1 EP 2012074051 W EP2012074051 W EP 2012074051W WO 2013087424 A1 WO2013087424 A1 WO 2013087424A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wall
- motor vehicle
- front cover
- fixing
- impact
- Prior art date
Links
Classifications
-
- 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
-
- 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
- B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
- B62D25/12—Parts or details thereof
-
- 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 motor vehicles, and in particular the front hood structures of a motor vehicle.
- a motor vehicle front cover is a movable bodywork element which, closed, protects an engine compartment and, open, allows access to mechanical parts for maintenance and repair.
- a front cover comprises an inner wall and an outer wall interconnected.
- the hood is held in the closed position by a closure system comprising a metal part, called “striker wire”, attached to the inner wall of the hood and a movable part, such as a lock bolt, fixed to the vehicle bodywork. automobile and intended to cooperate with the striker to maintain the front cover in the closed position on the body of the motor vehicle.
- a closure system comprising a metal part, called “striker wire”, attached to the inner wall of the hood and a movable part, such as a lock bolt, fixed to the vehicle bodywork. automobile and intended to cooperate with the striker to maintain the front cover in the closed position on the body of the motor vehicle.
- the safety standards have become increasingly stringent, so that it is necessary to provide a shock absorber energy dampening, including the head of a pedestrian, on the front hood, to minimize injuries caused by the shock.
- JP 2009 137525 which describes a cover comprising an inner wall, an outer wall, a shock absorbing device integrated between the inner and outer walls and a striker wire support connected to the device. shock absorption.
- JP 2009 248759 discloses a motor vehicle hood comprising an inner wall and an outer wall and a strike wire attached directly to the inner wall.
- JP 201 1 121400 discloses a front structure of a motor vehicle comprising a lock fixed on a paro i upper cover and intended to cooperate with a bolt fixed on a bottom wall of the cover.
- the lock is fixed to the hood by means of a sheet metal wall playing the role of damper.
- JP 2005 343279 discloses a hood structure of a vehicle comprising lock reinforcement means disposed at a front end of an interior panel of the hood and connected to the hood top panel by tabs through oblique portions. .
- the lock means are fixed by means of reinforcement.
- An object of the invention is therefore to overcome these disadvantages and to provide a front hood of a motor vehicle complies with safety standards in case of impact with an external element, including the head of a pedestrian.
- Another object of the invention is to avoid any inadvertent opening of the hood, especially in case of shock, which could aggravate the injuries caused by the shock.
- the invention also aims to retain the hood when using the vehicle at high speeds, for example on the fast track, where aero-dynami forces tend to lift the hood.
- the invention thus relates to a motor vehicle comprising a front cover having an inner wall and an outer wall interconnected, means for connection to the vehicle body and a reinforcing means disposed between the inner and outer walls, adapted to deform in case of impact with an element outside the vehicle.
- the reinforcement means comprises a first attachment portion to the inner wall of the cover, and second and third attachment portions to the outer wall of the cover, said first portion of fixing being connected to the second and third attachment portions by a first and second connecting portions substantially inclined relative to the fixing portions.
- the connecting means are fixed by means of deformable reinforcement.
- One of the connecting portions has two cutouts defining two lateral lugs and a central lug.
- the central lug makes it possible to prevent the reinforcement means from passing through the inner wall of the hood in the event of an impact, and thus to prevent untimely opening of the hood of the motor vehicle.
- the inner wall of the cover has two openings adapted to cooperate respectively with a side tab of the reinforcing means in case of impact with the outer element.
- the lateral lugs cooperating with the corresponding openings in the event of a shock make it possible to considerably dampen the energy of the impact.
- a single piece makes it possible both to support the connecting means, such as the striker wire, and to have a damping function in the event of impact with an element outside the vehicle.
- the use of a single piece reduces manufacturing costs.
- the first fixing portion comprises means for fixing the connecting means.
- the fixing means may comprise fixing grooves adapted to cooperate with the connecting means and welding means.
- the reinforcing means is a single piece made by stamping a sheet metal material.
- the reinforcing means may be attached to the hood by a malleable caulking material, such as, for example, mastic.
- a malleable caulking material such as, for example, mastic.
- FIG. 1 shows, schematically, a front cover of a motor vehicle according to the invention
- FIG. 2 illustrates a detail of the front cover of FIG. 1
- FIG. 3 shows a sectional view III-III of Figure 1;
- Figure 4 shows the sectional view of Figure 3 in case of impact.
- front refers to the normal direction of operation of a motor vehicle.
- Figure 1 illustrates, schematically, a front cover 1 of a motor vehicle (not shown).
- the front cover 1 is a movable body body which, closed, is intended to protect a motor compartment (not shown) and, open, allows access to mechanical members (not shown) for maintenance and repair.
- the front cover 1 comprises an inner wall 2 and an outer wall 3 interconnected.
- the outer wall 3 is illustrated by transparency in FIG. 1 in order to visualize the elements present between these two walls 2, 3.
- the front cover 1 comprises connecting means 4 to the vehicle body (not shown) and a reinforcing means 5 disposed between the inner and outer walls 2 3, able to deform in the event of impact with an external element (not shown ) to the vehicle.
- the connecting means 4 of the front cover 1 is a metal part, called “striker wire", attached to the inner wall 2 of the front cover 1, in particular having a shaped section U, visible in Figures 3 and 4 and intended to cooperate with a moving part (not shown) attached to the body of the motor vehicle.
- the moving part cooperates with the striker wire 4 to maintain the front cover 1 in the closed position on the body of the motor vehicle.
- the connecting means 4 are fixed by means of deformable reinforcement 5 via two protuberances 4a, 4b, visible in FIGS. 1 and 2.
- the inner wall 2 of the front cover 1 comprises two openings 2a, 2b, intended for cooperate with the deformable reinforcing means 5 in the event of impact with an external element E, visible in FIG. 4.
- the deformable reinforcing means 5 comprises a first fastening portion 6 at the inside paro 2 of the front cover 1 and second and third fixing portions 7, 8 at the outer wall 3. front cover 1.
- the first fixing portion 6 is connected to the second and third fixing portions 7, 8 by a first and second connecting portion 9, 1 0, for example the substantially inclined relative to the fixing portions 6, 7, 8.
- the means 5 is attached to the front cover 1, in particular to the outer wall 3, by a malleable caulking material, such as, for example, putty placed in grooves 7a, 8a made on the second and third fixing portions 7, 8.
- the second fixing portion 7 comprises a cutout 7b forming two fastening tabs 7. Each fastening tab 7 has a groove 7a. Alternatively, it could be provided that the second fixing portion 7 has no cutout and has a single groove 7a.
- the first fixing portion 6 comprises fastening means 6a of the connecting means 4, in particular of the two protuberances 4a, 4b.
- the fixing means 6a comprise fixing grooves adapted to cooperate with the protuberances 4a, 4b and welding means.
- the second connecting portion 10 comprises two cutouts 10a, 10b delimiting two lateral lugs 11a, 11b capable of cooperating respectively with an opening 2a, 2b of the inside wall 2 of the front cover. 1 and a central leg 1 1 c.
- the lateral lugs 11a, 11b cooperating with the corresponding openings 2a, 2b in the event of impact can considerably dampen the impact energy.
- the central lug 1 1 c prevents the reinforcing means 5 from passing through the inner wall 2 of the front cover 1 in the event of impact, and thus to avoid unintentional opening of the front cover 1 of the motor vehicle.
- it would be possible to provide a different number of cuts for example a single cutout delimiting two lateral tabs, or a cutting number greater than two, such as for example three.
- the deformable reinforcing means 5 is, in the illustrated embodiment, a single piece made by stamping a sheet metal material.
- the deformable reinforcing means 5 has a uniform thickness of between 0.6 mm and 2 mm, for example about 1.2 mm.
- Figure 3 illustrates the front cover 1 in the normal position of use and Figure 4 shows the sectional view of Figure 3 in case of collision between the front cover 1 and an outer member E, such as a pedestrian head.
- the deformable reinforcing means 5 is deformed. Indeed, the lateral lugs 11a, 11b sink into the corresponding openings 2a, 2b to significantly dampen the impact energy.
- the central lug 11c is retained by the bottom wall 2 and thus makes it possible for the reinforcing means 5 to not completely pass through the inside wall 2 of the front hood 1 in the event of an impact, and thus to prevent inadvertent opening of the front cover 1 of the motor vehicle.
- the front hood of a motor vehicle meets the safety standards in case of impact with an external element, including the head of a pedestrian.
- the fixing of the reinforcing means to the outer wall by means of a caulking material avoids the local deformation of the front cover in case of support on the hood or slight shock.
- any inadvertent opening of such a front cover can be avoided, especially in case of impact, which could aggravate the injuries caused by the shock, through the use of cutouts for both to obtain a means of reinforcement deformable by tabs cooperating with openings on the inner wall, while respecting the retention of the reinforcing means, including striker wire, in case of shock by a central lug retained by the inner wall.
- the hood retainer when using the vehicle on fast lane, that is to say at high speed, is also provided through the structure of the reinforcement means.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112014014474A BR112014014474A8 (pt) | 2011-12-16 | 2012-11-30 | veículo automotivo compreendendo um capô dianteiro |
RU2014129071A RU2607132C2 (ru) | 2011-12-16 | 2012-11-30 | Автотранспортное средство, содержащее средство усиления переднего капота |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1161842A FR2984268B1 (fr) | 2011-12-16 | 2011-12-16 | Vehicule automobile comprenant un moyen de renfort de capot avant |
FR1161842 | 2011-12-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013087424A1 true WO2013087424A1 (fr) | 2013-06-20 |
Family
ID=47263374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2012/074051 WO2013087424A1 (fr) | 2011-12-16 | 2012-11-30 | Vehicule automobile comprenant un moyen de renfort de capot avant |
Country Status (4)
Country | Link |
---|---|
BR (1) | BR112014014474A8 (fr) |
FR (1) | FR2984268B1 (fr) |
RU (1) | RU2607132C2 (fr) |
WO (1) | WO2013087424A1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014207543A1 (fr) * | 2013-06-28 | 2014-12-31 | Toyota Jidosha Kabushiki Kaisha | Structure de capot de véhicule |
US20150054305A1 (en) * | 2013-08-22 | 2015-02-26 | Toyota Motor Engineering & Manufacturing North America, Inc. | Hood inner design for pedestrian protection |
US11318997B2 (en) * | 2019-03-27 | 2022-05-03 | Honda Motor Co., Ltd. | Hood structure |
FR3123039A1 (fr) * | 2021-05-18 | 2022-11-25 | Psa Automobiles Sa | Dispositif de renfort de fil de gâche de volet à cinématique de déformation programmée en cas de choc arrière. |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005343279A (ja) | 2004-06-02 | 2005-12-15 | Toyota Motor Corp | 車両用フード構造 |
JP2009137525A (ja) | 2007-12-10 | 2009-06-25 | Mazda Motor Corp | 車両のフード構造 |
JP2009166708A (ja) * | 2008-01-17 | 2009-07-30 | Toyota Motor Corp | 車両用フード構造 |
JP2009248759A (ja) | 2008-04-07 | 2009-10-29 | Honda Motor Co Ltd | 自動車のフード |
JP2011121400A (ja) | 2009-12-08 | 2011-06-23 | Mazda Motor Corp | 自動車の前部車体構造 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005048055B3 (de) * | 2005-10-07 | 2006-12-07 | A. Raymond Et Cie | Halter für eine Stange |
DE102009035774A1 (de) * | 2009-08-01 | 2010-04-08 | Daimler Ag | Motorhaube |
-
2011
- 2011-12-16 FR FR1161842A patent/FR2984268B1/fr active Active
-
2012
- 2012-11-30 RU RU2014129071A patent/RU2607132C2/ru active
- 2012-11-30 WO PCT/EP2012/074051 patent/WO2013087424A1/fr active Application Filing
- 2012-11-30 BR BR112014014474A patent/BR112014014474A8/pt active Search and Examination
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005343279A (ja) | 2004-06-02 | 2005-12-15 | Toyota Motor Corp | 車両用フード構造 |
JP2009137525A (ja) | 2007-12-10 | 2009-06-25 | Mazda Motor Corp | 車両のフード構造 |
JP2009166708A (ja) * | 2008-01-17 | 2009-07-30 | Toyota Motor Corp | 車両用フード構造 |
JP2009248759A (ja) | 2008-04-07 | 2009-10-29 | Honda Motor Co Ltd | 自動車のフード |
JP2011121400A (ja) | 2009-12-08 | 2011-06-23 | Mazda Motor Corp | 自動車の前部車体構造 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014207543A1 (fr) * | 2013-06-28 | 2014-12-31 | Toyota Jidosha Kabushiki Kaisha | Structure de capot de véhicule |
KR20160013171A (ko) * | 2013-06-28 | 2016-02-03 | 도요타 지도샤(주) | 차량 후드 구조 |
CN105392692A (zh) * | 2013-06-28 | 2016-03-09 | 丰田自动车株式会社 | 车辆发动机罩结构 |
US9533715B2 (en) | 2013-06-28 | 2017-01-03 | Toyota Jidosha Kabushiki Kaisha | Vehicle hood structure |
KR101720639B1 (ko) | 2013-06-28 | 2017-03-28 | 도요타 지도샤(주) | 차량 후드 구조 |
US20150054305A1 (en) * | 2013-08-22 | 2015-02-26 | Toyota Motor Engineering & Manufacturing North America, Inc. | Hood inner design for pedestrian protection |
US9278715B2 (en) * | 2013-08-22 | 2016-03-08 | Toyota Motor Engineering & Manufacturing North America, Inc. | Hood inner design for pedestrian protection |
US11318997B2 (en) * | 2019-03-27 | 2022-05-03 | Honda Motor Co., Ltd. | Hood structure |
FR3123039A1 (fr) * | 2021-05-18 | 2022-11-25 | Psa Automobiles Sa | Dispositif de renfort de fil de gâche de volet à cinématique de déformation programmée en cas de choc arrière. |
Also Published As
Publication number | Publication date |
---|---|
FR2984268A1 (fr) | 2013-06-21 |
FR2984268B1 (fr) | 2014-04-11 |
RU2607132C2 (ru) | 2017-01-10 |
RU2014129071A (ru) | 2016-02-10 |
BR112014014474A2 (pt) | 2017-06-13 |
BR112014014474A8 (pt) | 2021-04-27 |
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