WO2012004881A1 - 車両用フード構造 - Google Patents
車両用フード構造 Download PDFInfo
- Publication number
- WO2012004881A1 WO2012004881A1 PCT/JP2010/061645 JP2010061645W WO2012004881A1 WO 2012004881 A1 WO2012004881 A1 WO 2012004881A1 JP 2010061645 W JP2010061645 W JP 2010061645W WO 2012004881 A1 WO2012004881 A1 WO 2012004881A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hood
- front wall
- inner panel
- width direction
- outer panel
- Prior art date
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Classifications
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- 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
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- 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
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- 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
- B62D25/105—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles for motor cars
-
- 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 vehicle hood structure applied to a vehicle such as an automobile.
- the hood inner panel may have a plurality of beads arranged in parallel with the longitudinal direction of the vehicle body as a longitudinal direction from the viewpoint of pedestrian protection (see, for example, Patent Document 1). .
- the hood inner panel collides with a rigid body on the lower side (hereinafter, referred to as “secondary collision” as appropriate).
- the load that acts on the collision body before is high due to the inertia load of the hood panel.
- the present invention has an object to obtain a vehicle hood structure that can improve the shock absorption performance before the secondary collision when the collision object collides with the hood in consideration of the above facts.
- a hood structure for a vehicle includes a hood outer panel that constitutes an outer plate of a hood, a hood outer panel that is disposed below the hood outer panel, and is coupled to the hood outer panel.
- a hood inner panel that constitutes a plate, and the hood inner panel is provided in a central region of the hood inner panel, and a convex portion convex toward the hood outer panel with the hood front-rear direction as a longitudinal direction.
- the hood front-rear direction is a longitudinal direction, and concave portions formed in a concave shape on the hood outer panel side are alternately provided to have a corrugated shape, and the front end portion of the convex portion in the hood front-rear direction is aligned in a hood plan view.
- the hood inner panel is provided on the front side of the hood with respect to the hood inner panel.
- the front wall portion that is inclined to the lower side of the hood and formed substantially along the hood width direction, and is formed along the substantially hood width direction by connecting the wavy portion and the front wall portion in the hood inner panel. And a shelf.
- the hood inner panel disposed on the lower side of the hood with respect to the hood outer panel is coupled to the hood outer panel, and the hood inner panel has a wavy portion in the central region thereof. Is formed. Since this wavy portion is formed in a corrugated shape by alternately providing convex portions and concave portions each having the longitudinal direction of the hood in the longitudinal direction, the rigidity against a collision load is relatively high.
- the front end portion of the convex portion of the wavy portion is aligned in a hood plan view, and the front wall portion provided on the front side of the hood with respect to the wavy portion is inclined toward the front side of the hood toward the lower side of the hood and is substantially in the hood width direction.
- the wavy portion and the front wall portion are connected by a shelf portion that is formed substantially along the hood width direction. For this reason, when a collision object collides with the hood and a load is input to the undulated portion, bending deformation occurs on the hood lower side at the shelf portion having rigidity lower than the undulated portion, and the front wall portion is moved forward of the hood. It deforms so as to swell obliquely upward.
- the hood outer panel is displaced to the lower side of the hood due to the collision load, so that the hood outer panel hits the rear end side (directly or indirectly) of the front wall portion and then contacts the front wall portion. Gradually change the contact position to the front of the hood.
- the front wall portion is bent and deformed on the rear end portion side thereof, and then the plastic deformation portion is deformed so as to sequentially move toward the front side of the hood (squeezing deformation). Since the energy required for plastic deformation is absorbed at this time, the impact absorption performance before the secondary collision is improved.
- a ridge line that is a connection portion between the shelf and the front wall is linear along the hood width direction in a hood plan view. Is formed.
- the ridge line that is the connection portion between the shelf portion and the front wall portion is formed linearly along the hood width direction in the hood plan view.
- the plastic deformation portion of the front wall portion becomes a linear bent portion along the hood width direction and moves stably toward the front side of the hood. That is, the front wall portion is deformed in a stable deformation mode.
- the vehicle hood structure according to the first aspect of the present invention it is possible to improve the shock absorption performance before the secondary collision when the collision body collides with the hood.
- the vehicular hood structure according to the second aspect of the present invention has an excellent effect that the accuracy of the shock absorbing performance before the secondary collision when the colliding body collides with the hood can be improved.
- FIG. 1 is a plan view showing a hood to which a vehicle hood structure according to a first embodiment of the present invention is applied (shown in a state where a hood outer panel or the like is seen through).
- FIG. 2 is an enlarged cross-sectional view taken along line 2-2 in FIG. It is a sectional side view which shows the state which the head impactor collided with the hood by the same cut surface as FIG. It is a sectional side view showing the state where the head impactor collides with the hood and the front wall portion of the hood inner panel is deformed by squeezing.
- composition G and time when a head impactor is made to collide with the hood to which the vehicle hood structure according to the first embodiment of the present invention is applied and the hood according to the comparison structure under the child condition of European regulations is shown. It is a graph.
- the relationship between the front-rear G and the stroke when the head impactor is caused to collide with the hood to which the vehicle hood structure according to the first embodiment of the present invention is applied and the hood according to the comparison structure under the child condition of European regulations is shown. It is a graph. It is a stacked graph which shows the relationship between the load before the secondary collision in the hood which concerns on a contrast structure, and time.
- an arrow FR appropriately shown indicates the vehicle front side
- an arrow UP indicates the vehicle upper side
- an arrow W indicates the vehicle width direction.
- the hood longitudinal direction is the same direction as the vehicle longitudinal direction
- the hood vertical direction is the same direction as the vehicle vertical direction
- the hood width direction is the same direction as the vehicle width direction.
- FIG. 1 is a plan view of a hood 14 to which the hood structure for a vehicle according to this embodiment is applied as seen through a hood outer panel 16 (see a two-dot chain line), and FIG. An enlarged sectional view taken along line 2-2 in FIG. 1 is shown.
- a hood (engine hood) 14 that covers the engine room 12 so as to be openable and closable is disposed in the vehicle front portion 10 ⁇ / b> A of the automobile (vehicle).
- a rigid body 12 ⁇ / b> A such as a power unit is disposed inside the engine room 12 covered with the hood 14.
- the hood 14 is made of metal (in this embodiment, as an example, made of an aluminum alloy), and as shown in FIG. 1, the dimension in the hood width direction is set longer than the dimension in the hood front-rear direction.
- Hinges are provided on both sides of the rear end portion of the hood 14 in the front-rear direction of the hood 14, whereby the hood 14 is rotated around an axis in the hood width direction of the hinge (not shown). It is possible to open and close.
- the hood 14 constitutes the outer plate of the hood 14 and extends along the vehicle longitudinal direction, and is disposed on the hood lower side with respect to the hood outer panel 16.
- a hood inner panel 18 which is coupled to the hood outer panel 16 and constitutes an inner plate of the hood 14.
- a dent reinforcement 32 is disposed in the central region of the front end portion of the hood 14 in the hood front-rear direction, and a strike reinforcement 36 is disposed below the dent reinforcement 32 in the hood.
- the striker reinforcement 36 is a metal-made reinforcing member in the form of a bent plate that is disposed between the hood outer panel 16 and the hood inner panel 18 to ensure rigidity around the hood striker 38.
- the hood striker 38 is configured such that the vehicle body side latch 40 is locked at the closed position of the hood 14, and the hood 14 is held at the closed position by locking the latch 40 to the hood striker 38. It has become so.
- An intermediate portion in the hood front-rear direction of the strike reinforcement 36 is joined to the hood inner panel 18, and an end portion of the strike reinforcement 36 in the hood front-rear direction is joined to the back surface of the end reinforcement in the hood front-rear direction. .
- the dentry reinforcement 32 is made of metal and has a plate shape, and is disposed on the hood outer panel 16 side between the hood outer panel 16 and the hood inner panel 18 to suppress deformation of the hood outer panel 16 when the hood 14 is closed. It is a reinforcing member.
- the dental reinforcement 32 extends substantially along the hood outer panel 16 and is joined (fixed) to the back surface of the hood outer panel 16 by a mastic 34.
- Both the hood outer panel 16 and the hood inner panel 18 are formed by press-molding an aluminum alloy plate (in this embodiment, as an example, a 6000 series aluminum alloy plate according to JIS standards).
- the plate thickness of the hood outer panel 16 and the plate thickness of the hood inner panel 18 are set from a plurality of viewpoints such as weight reduction and pedestrian protection performance.
- the outer periphery of the hood outer panel 16 is coupled to the hood inner panel 18 by hemming.
- both form a closed cross-sectional structure (a so-called “middle structure” in the present embodiment).
- a gap (space) in the vertical direction of the hood is formed between them.
- the outer peripheral edge portion of the hood inner panel 18 includes a front end edge portion 18A, a rear end edge portion 18B, and left and right hood width direction both end portions 18C and 18D, and the front end edge portion 18A.
- the inner side of the rear end edge 18B and the left and right hood width direction ends 18C, 18D is a central region 18E.
- a plurality of beads 22 as a plurality of convex portions are formed in the central region 18E of the hood inner panel 18.
- Each bead 22 has a hood front-rear direction as a longitudinal direction, and a panel (hood inner panel 18) in the central region 18E rises toward the hood outer panel 16 in a convex shape in a cross-sectional view along a plane orthogonal to the longitudinal direction. It is formed and has a top 22A.
- These top portions 22A are formed in a flat shape.
- the surface of the top portion 22 ⁇ / b> A is disposed substantially parallel to the hood outer panel 16.
- a part of the top 22A of the bead 22 is joined to the back surface of the hood outer panel 16 via a mastic 17 (see FIG. 2) that is an adhesive.
- the front end 22B of each bead 22 in the front-rear direction of the hood reaches the vicinity of the front end edge 18A of the hood inner panel 18 and is aligned in a plan view of the hood. More specifically, the front end portion 22B of each bead 22 has a terminal shape (shape at the rising position) that is a straight line along the hood width direction in the hood plan view, and the terminal position (rise position) is the hood plane. It is set on a virtual straight line along the hood width direction as viewed, and the positions in the hood front-rear direction are aligned.
- each bead 22 in the hood front-rear direction reaches the vicinity of the rear end edge portion 18 ⁇ / b> B of the hood inner panel 18.
- These beads 22 constitute a skeleton that improves the bending rigidity in the hood front-rear direction in the central region 18E of the hood inner panel 18.
- a recess 24 is formed between the adjacent beads 22 in a concave shape on the hood outer panel 16 side with the hood front-rear direction as a longitudinal direction.
- the bottom 24 ⁇ / b> A side of the recess 24 is formed in an arc shape (curved shape) that is curved in a sectional view along a plane orthogonal to the longitudinal direction of the recess 24.
- the bead 22 (convex portion) and the concave portion 24 are alternately provided along the hood width direction, and the corrugated portion 20 having a corrugated shape (corrugated shape) in a cross-sectional view is provided almost over the entire area. Is formed.
- the wavy portion 20 faces the rigid body 12A inside the engine room 12 shown in FIG.
- the wavelength p is the width direction of the adjacent top portion 22A from the center position in the width direction (center position in the wavelength direction) of a certain top portion 22A when the top portion 22A is formed flat as in this embodiment. It is the horizontal distance (distance in the hood width direction) to the center position (center position in the wavelength direction).
- the height h of the corrugated portion 20 (in other words, the height of the bead 22) is set to 8.5 mm ⁇ h ⁇ 10.5 mm as an example from the viewpoint of securing the rigidity of the corrugated portion 20.
- the front wall portion 28 is formed in a straight line along the hood width direction at the front end portion of the hood inner panel 18 in the central region 18E in the hood front-rear direction.
- the front wall portion 28 is provided on the front side of the hood with respect to the corrugated portion 20, and as illustrated in FIG. 2, is inclined toward the lower side of the hood toward the front side of the hood.
- the front wall part 28 is arrange
- the hood inner panel 18 is formed with a shelf 26 that connects the corrugated portion 20 and the front wall portion 28 in a straight line along the substantially hood width direction.
- the shelf 26 is formed in a flat shape and forms a step in the vertical direction of the hood between the top 22 ⁇ / b> A of the bead 22.
- the ridgeline 30 which is a connection site
- the corrugated portion 20 formed in the central region 18E of the hood inner panel 18 has a bead 22 (convex portion) and a concave portion 24 alternately arranged in the longitudinal direction of the hood front-rear direction. Since it is formed in a corrugated shape, the rigidity against a collision load is relatively high.
- the front end portion 22B of the bead 22 of the wavy portion 20 is aligned in a hood plan view, and the front wall portion 28 provided on the front side of the hood with respect to the wavy portion 20 is inclined toward the lower side of the hood toward the front of the hood.
- the corrugated portion 20 and the front wall portion 28 are connected by a shelf portion 26 formed substantially along the hood width direction. For this reason, as shown in FIG.
- the hood outer panel 16 since the hood outer panel 16 is displaced to the hood lower side by the collision load f, the hood outer panel 16 hits the rear end side of the front wall portion 28 as shown in FIG.
- the contact position with the portion 28 is gradually changed to the front side of the hood.
- the front wall portion 28 is bent and deformed on the rear end side thereof, and the plastic deformation portion S is sequentially and continuously deformed to the front side of the hood (that is, the bending deformation is continuously performed on the front wall portion 28). Squeezing deformation that occurs automatically). That is, when the shelf portion 26 is bent and deformed, ironing deformation of the front wall portion 28 is induced.
- the ironing deformation of the front wall portion 28 will be described more specifically.
- the plastic deformation portion S is at the start of deformation indicated by a two-dot chain line. From the position b1 to the position b3 indicated by the alternate long and short dash line, the position sequentially moves continuously through the position b2 in the middle of deformation indicated by the solid line. Such continuous movement of the plastic deformation site S continues until the hood inner panel 18 collides (secondary collision) with the lower rigid body 12A.
- a reaction force (deformation load) by the hood inner panel 18 before the secondary collision is continuously generated. At this time, since energy required for plastic deformation of the front wall portion 28 is absorbed, the shock absorption performance before the secondary collision is improved.
- the ridge line 30 that is a connection portion between the shelf portion 26 and the front wall portion 28 is linear along the hood width direction in the hood plan view. Therefore, the plastic deformation portion S shown in FIG. 4 becomes a linear bent portion along the hood width direction and moves stably toward the front side of the hood. That is, since the front wall portion 28 is deformed in a stable deformation mode, the accuracy of the shock absorbing performance before the secondary collision is improved.
- the deformation load by a hood inner panel (18) is not obtained so much.
- the front wall portion 28 is sequentially deformed, so that the deformation load by the hood inner panel 18 is increased.
- FIG. 9 and FIG. 9 and 10 show the load F (N) and time before the secondary collision when the head impactor (C) is caused to collide with the hood (14) under the test conditions in the Japanese automobile assessment (JNCAP).
- JNCAP Japanese automobile assessment
- FIG. 9 shows the characteristics of the hood according to the comparison structure
- FIG. 10 shows the characteristics of the hood with the same structure as that of the present embodiment and the bead (22) height of 8.5 mm.
- P1 represents the deformation load of the hood inner panel
- P2 represents the inertia load of the hood inner panel
- P3 represents the deformation load of the hood outer panel
- P4 represents the inertia load of the hood outer panel
- P5 represents The load (deformation load and inertial load) at other parts is shown.
- the hood according to the contrast structure has a larger load ratio due to the inertia load P2 of the hood inner panel than the hood according to the present embodiment (see FIG. 10). It can be seen that the load ratio due to the inertia load P4 of the hood outer panel is large. Moreover, it turns out that the load ratio by the deformation
- hood (refer FIG. 9) which concerns on the hood which concerns on this embodiment (refer FIG. 9). In other words, in the hood according to the present embodiment (see FIG. 10), the load acting on the head impactor (C) before the secondary collision is dominated by the deformation load. 9), the load is less affected by the weight of the hood.
- the impact absorption characteristics of the hood to which the vehicle hood structure according to the present embodiment is applied will be compared with the impact absorption characteristics of the hood according to the comparison structure.
- FIG. 5 and 6 show characteristics when the head impactor collides with the hood under the child condition of the test in the Japanese automobile assessment (JNCAP).
- FIG. 5 is a graph showing the relationship between the triaxial composite acceleration G (composite G (m / S 2 )) and time t (ms)
- FIG. 6 shows the acceleration G in the head impactor striking direction (front and rear G ( m / S 2)) and is a graph showing the relationship between the stroke S (mm).
- FIG.7 and FIG.8 has shown the characteristic at the time of making a head impactor collide on the child condition of European regulations.
- FIG. 7 is a graph showing the relationship between the triaxial composite acceleration G (composite G (m / S 2 )) and time t (ms)
- FIG. 8 shows the acceleration G (front-rear G (front-rear G ()) in the head impactor striking direction.
- m / S 2) is a graph showing the relationship between the stroke S (mm).
- the hit position of the hood is the center of the undulating portion (20) in the hood plan view.
- the acceleration value in the head impactor striking direction is substantially the same as the value of the triaxial combined acceleration.
- the solid line indicates the characteristics of the hood having the same structure as the vehicle hood structure according to the present embodiment and the bead (22) has a height of 10.5 mm.
- the characteristics of a hood having a bead (22) height of 8.5 mm with the same structure as the vehicle hood structure according to the embodiment are shown, and the dotted line shows the characteristics of the hood according to the comparison structure that is the object of FIG. Show.
- the region surrounded by the alternate long and short dash line Z indicates the time of the secondary collision and immediately before and after.
- the vehicle hood structure (see the solid line and the two-dot chain line) according to the present embodiment has a slight drop in acceleration before the secondary collision, as compared with the contrast structure (see the dotted line). It is suppressed. Further, as shown in FIGS. 5 to 8, in the vehicle hood structure (see the solid line and the two-dot chain line) according to the present embodiment, the acceleration is more averaged than the contrast structure (see the dotted line). I understand that. That is, in the vehicle hood structure according to the present embodiment (see the solid line and the two-dot chain line), the load before the secondary collision is controlled and the energy absorption amount before the secondary collision is increased.
- the shock absorption performance after the secondary collision can be improved, the shock absorption performance before the secondary collision is still greatly influenced by the weight of the hood panel. That is, even with such a contrast structure, the inertial load accounts for a large proportion of the load before the secondary collision, so it is difficult to control the load (reaction force) before the secondary collision.
- the ratio of the deformation load of the hood inner panel 18 (see FIG. 2 and the like) to the load before the secondary collision can be increased. Easy to control the load (reaction force).
- the shock absorbing performance before the secondary collision when the head impactor C (collision body) shown in FIG. Can be improved.
- FIG. 11 is a plan view showing a hood 50 to which a hood structure for a vehicle according to a second embodiment of the present invention is applied as seen through the hood outer panel 16 (see a two-dot chain line).
- the hood inner panel 52 in the hood 50 is slightly different from the hood inner panel 18 (see FIG. 1 etc.) according to the first embodiment in the shape of the front end portion of the central region 18E.
- Other configurations are substantially the same as those of the first embodiment. Therefore, components that are substantially the same as those of the first embodiment are denoted by the same reference numerals and description thereof is omitted.
- each bead 22 reaches the vicinity of the front end edge 18A of the hood inner panel 52 and is aligned in a hood plan view. More specifically, the front end portion 22D of each bead 22 has a terminal shape (a shape at the rising position) that is a large-diameter arc shape in the hood plan view, and a terminal position (rise position) in the hood plan view. It is set on a large-diameter (gradual) virtual arc curve substantially along the hood width direction.
- a front wall 56 is formed in an arc shape having a large diameter substantially along the width of the hood in a plan view of the hood at the front end in the hood front-rear direction in the central region 18E of the hood inner panel 52.
- the front wall portion 56 is provided on the front side of the hood with respect to the corrugated portion 20, and is inclined toward the lower side of the hood toward the front side of the hood.
- the hood inner panel 52 is formed with a shelf 54 that connects the corrugated portion 20 and the front wall portion 56 in a large arc shape along the hood width direction in a hood plan view.
- the shelf 54 is formed in a flat shape and forms a step in the vertical direction of the hood with the top 22 ⁇ / b> A of the bead 22.
- a ridge line 58 that is a connecting portion between the shelf portion 54 and the front wall portion 56 is formed in a large-diameter circular arc shape along the hood width direction in a hood plan view.
- the front wall portions 28 and 56 with respect to the collision load f are adjusted.
- the rigidity can be adjusted, and the load before the secondary collision can be controlled by this adjustment.
- the inclination angle of the front wall portions 28 and 56 with respect to the horizontal direction is set to be smaller than that in the above embodiment, the deformation load of the front wall portions 28 and 56 when the head impactor C collides with the hoods 14 and 50. Can be made smaller than in the above embodiment.
- the wavy part 20 is the circular arc shape curved in the cross sectional view which the bottom part 24A side of the recessed part 24 cut
- the top of the convex portion of the wavy portion may be formed in an arc shape (curved shape) that is curved in a cross-sectional view cut in the hood width direction, and the bottom of the concave portion of the wavy portion is It may be formed flat.
- the bottom part of the recessed part of a wavy part and a shelf part may be set on the same plane.
- the wavy part 20 has arrange
- the wavy portion is, for example, a wavy portion in which the majority of the front end portions in the hood front-rear direction (preferably the majority including the front end portion in the central region in the hood width direction) of the plurality of beads (convex portions) are aligned in a hood plan view. It is also possible.
Abstract
Description
本発明の第1の実施形態に係る車両用フード構造について図1~図10を用いて説明する。なお、これらの図において適宜示される矢印FRは車両前方側を示しており、矢印UPは車両上方側を示しており、矢印Wは車両幅方向を示している。また、フード閉止状態においては、フード前後方向は車両前後方向と同じ方向とし、フード上下方向は車両上下方向と同じ方向とし、フード幅方向は車両幅方向と同じ方向とする。
次に、本発明の第2の実施形態に係る車両用フード構造について、図11を用いて説明する。図11には、本発明の第2の実施形態に係る車両用フード構造が適用されたフード50がフードアウタパネル16(二点鎖線参照)等を透視した状態の平面図にて示されている。
なお、上記実施形態における前壁部28、56の傾斜角度や稜線30、58の延在方向、棚部26、54の位置等を調整することで、衝突荷重fに対する前壁部28、56の剛性を調整することができ、この調整によって二次衝突前の荷重をコントロールすることが可能である。例えば、前壁部28、56の水平方向に対する傾斜角度を上記実施形態の場合よりも小さく設定すれば、頭部インパクタCがフード14、50に衝突した場合における前壁部28、56の変形荷重を上記実施形態の場合よりも小さくすることができる。
Claims (2)
- フードの外板を構成するフードアウタパネルと、
前記フードアウタパネルに対してフード下方側に配置されると共に前記フードアウタパネルに結合され、フードの内板を構成するフードインナパネルと、
を有し、前記フードインナパネルは、
前記フードインナパネルにおける中央領域に設けられ、フード前後方向を長手方向として前記フードアウタパネル側に凸形状とされた凸部と、フード前後方向を長手方向として前記フードアウタパネル側に凹形状とされた凹部と、が交互に設けられて波形形状に形成されかつ前記凸部におけるフード前後方向の前端部がフード平面視で揃えられた波状部と、
前記フードインナパネルにおいて前記波状部よりもフード前方側に設けられ、フード前方へ向けてフード下方側に傾斜すると共に略フード幅方向に沿って形成された前壁部と、
前記フードインナパネルにおいて前記波状部と前記前壁部とを繋いで略フード幅方向に沿って形成された棚部と、
を備えている車両用フード構造。 - 前記棚部と前記前壁部との接続部位である稜線がフード平面視でフード幅方向に沿って直線状に形成されている請求項1記載の車両用フード構造。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012523479A JP5316714B2 (ja) | 2010-07-08 | 2010-07-08 | 車両用フード構造 |
EP10854435.4A EP2591987B1 (en) | 2010-07-08 | 2010-07-08 | Vehicle hood structure |
PCT/JP2010/061645 WO2012004881A1 (ja) | 2010-07-08 | 2010-07-08 | 車両用フード構造 |
US13/808,611 US9150256B2 (en) | 2010-07-08 | 2010-07-08 | Vehicle hood structure |
CN201080067954.4A CN102985297B (zh) | 2010-07-08 | 2010-07-08 | 车辆用发动机盖结构 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2010/061645 WO2012004881A1 (ja) | 2010-07-08 | 2010-07-08 | 車両用フード構造 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012004881A1 true WO2012004881A1 (ja) | 2012-01-12 |
Family
ID=45440880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/061645 WO2012004881A1 (ja) | 2010-07-08 | 2010-07-08 | 車両用フード構造 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9150256B2 (ja) |
EP (1) | EP2591987B1 (ja) |
JP (1) | JP5316714B2 (ja) |
CN (1) | CN102985297B (ja) |
WO (1) | WO2012004881A1 (ja) |
Cited By (1)
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JP2015063218A (ja) * | 2013-09-25 | 2015-04-09 | トヨタ車体株式会社 | 乗用車のフード構造 |
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US9868472B2 (en) * | 2014-09-19 | 2018-01-16 | Mazda Motor Corporation | Bonnet structure of automotive vehicle |
JP6233327B2 (ja) * | 2015-02-05 | 2017-11-22 | トヨタ自動車株式会社 | 車両用パネル構造及び車両用パネル構造の製造方法 |
JP6718726B2 (ja) * | 2016-03-31 | 2020-07-08 | 株式会社神戸製鋼所 | 車両用フード |
JP6708070B2 (ja) * | 2016-09-09 | 2020-06-10 | 三菱自動車工業株式会社 | 車両のフード |
JP6764453B2 (ja) * | 2018-09-27 | 2020-09-30 | 本田技研工業株式会社 | 車体前部構造 |
FR3097809B1 (fr) * | 2019-06-28 | 2021-12-17 | Renault Sas | Capot, notamment en matériau composite, pour un véhicule. |
FR3109356A1 (fr) | 2020-04-16 | 2021-10-22 | Psa Automobiles Sa | Capot de véhicule automobile avec extensions latérales |
US11628888B2 (en) * | 2020-10-02 | 2023-04-18 | GM Global Technology Operations LLC | Enclosed volume sandwich hood |
US11608026B2 (en) * | 2020-12-10 | 2023-03-21 | Fca Us Llc | Energy absorbing member beneath vehicle hood |
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JP2006044543A (ja) | 2004-08-06 | 2006-02-16 | Kanto Auto Works Ltd | 自動車のフード構造 |
JP2006044542A (ja) | 2004-08-06 | 2006-02-16 | Kanto Auto Works Ltd | 自動車のフード構造 |
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JP4857595B2 (ja) * | 2005-04-27 | 2012-01-18 | マツダ株式会社 | 自動車の前部車体構造 |
JP2009040168A (ja) | 2007-08-07 | 2009-02-26 | Kanto Auto Works Ltd | 車両フード構造 |
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2010
- 2010-07-08 CN CN201080067954.4A patent/CN102985297B/zh not_active Expired - Fee Related
- 2010-07-08 EP EP10854435.4A patent/EP2591987B1/en not_active Not-in-force
- 2010-07-08 WO PCT/JP2010/061645 patent/WO2012004881A1/ja active Application Filing
- 2010-07-08 JP JP2012523479A patent/JP5316714B2/ja active Active
- 2010-07-08 US US13/808,611 patent/US9150256B2/en not_active Expired - Fee Related
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JP2003205866A (ja) | 2000-12-13 | 2003-07-22 | Kobe Steel Ltd | 車体フード用パネル構造体 |
JP2005075176A (ja) * | 2003-09-01 | 2005-03-24 | Toyota Motor Corp | 車両用フード構造 |
JP2007098963A (ja) * | 2005-09-30 | 2007-04-19 | Toyota Motor Corp | フード構造 |
WO2009098939A1 (ja) | 2008-02-04 | 2009-08-13 | Toyota Jidosha Kabushiki Kaisha | 車両用フード構造 |
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Cited By (1)
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JP2015063218A (ja) * | 2013-09-25 | 2015-04-09 | トヨタ車体株式会社 | 乗用車のフード構造 |
Also Published As
Publication number | Publication date |
---|---|
CN102985297B (zh) | 2014-10-15 |
US20130106142A1 (en) | 2013-05-02 |
US9150256B2 (en) | 2015-10-06 |
EP2591987A1 (en) | 2013-05-15 |
EP2591987B1 (en) | 2014-06-04 |
CN102985297A (zh) | 2013-03-20 |
JP5316714B2 (ja) | 2013-10-16 |
EP2591987A4 (en) | 2013-05-22 |
JPWO2012004881A1 (ja) | 2013-09-02 |
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