WO2011125223A1 - バンパリインフォースメント構造 - Google Patents
バンパリインフォースメント構造 Download PDFInfo
- Publication number
- WO2011125223A1 WO2011125223A1 PCT/JP2010/056466 JP2010056466W WO2011125223A1 WO 2011125223 A1 WO2011125223 A1 WO 2011125223A1 JP 2010056466 W JP2010056466 W JP 2010056466W WO 2011125223 A1 WO2011125223 A1 WO 2011125223A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bumper reinforcement
- vehicle
- flange
- section
- bumper
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/04—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects formed from more than one section in a side-by-side arrangement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R2019/1806—Structural beams therefor, e.g. shock-absorbing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R2019/1806—Structural beams therefor, e.g. shock-absorbing
- B60R2019/1813—Structural beams therefor, e.g. shock-absorbing made of metal
Definitions
- the closed cross-sectional structure (bumper reinforcement) formed by the outer member and the inner member is bent.
- tension is generated on the inner side with respect to the centroid (neutral axis) of the closed section, and compression is generated on the outer side.
- the position of the discontinuous portion in the vehicle width direction is offset between the joint portion located at the upper end in the vehicle vertical direction and the joint portion located at the lower end in the vehicle vertical direction. Also good.
- the discontinuous portion is formed at a joint portion of the outer member so that a closed cross section formed by the inner member and the outer member communicates with the outside of the closed cross section. Also good.
- FIG. 8 is a view showing a bumper reinforcement constituting a front bumper according to a second embodiment of the present invention, and is a cross-sectional view taken along line 6-6 of FIG. It is a perspective view which shows schematic structure of the front bumper which concerns on the 2nd Embodiment of this invention.
- an arrow FR appropriately shown in the drawing indicates a forward direction in the vehicle longitudinal direction
- an arrow UP indicates an upward direction in the vehicle vertical direction
- an arrow IN indicates an inner side in the vehicle width direction
- an arrow OUT indicates an outer side in the vehicle width direction.
- the bumper reinforcement 12 is supported by a front side member 16 that forms a pair of left and right body frames near both ends in the vehicle width direction.
- the bumper reinforcement 12 has an inclined portion 12B that is located on the outer side in the width direction with respect to a bent portion or curved portion 12A that is bent toward the rear of the vehicle in the vicinity of both ends in the vehicle width direction.
- the pair of front side members 16 are coupled via a crash box 18 to an inclined portion 12B located on the same side with respect to the center in the vehicle width direction.
- the bumper reinforcement 12 may be formed to be curved in an arc shape as a whole in plan view.
- the bumper reinforcement 12 has a two-member structure formed by joining an inner panel 20 as an inner member and an outer panel 22 as an outer member.
- the inner panel 20 has an upper flange 20U, a lower flange 20L, and an intermediate flange 20C as joint portions. Between the upper flange 20U and the intermediate flange 20C and between the intermediate flange 20C and the lower flange 20L, concave portions 20N having a U-shaped cross section that are open toward the front of the vehicle are formed.
- the inner panel 20 is configured such that two members having a hat-shaped cross section are connected vertically.
- the upper flange 20 ⁇ / b> U, the lower flange 20 ⁇ / b> L, and the intermediate flange 20 ⁇ / b> C are positioned at the foremost portion of the inner panel 20 in each portion (cross section) of the inner panel 20 in the vehicle width direction.
- the upper flange 20U, the lower flange 20L, and the intermediate flange 20C are arranged on the same straight line in a side sectional view. That is, in the straight part 12C located between the left and right curved parts 14A in the bumper reinforcement 12, the upper flange 20U, the lower flange 20L, and the intermediate flange 20C are formed along the same plane.
- the outer panel 22 is formed in a flat plate shape with no unevenness in the front-rear direction in a side sectional view.
- a collision load is input between the support portions of the front side member 16 in the bumper reinforcement 12 when a frontal collision of the applied automobile is performed.
- the bumper reinforcement 12 is bent in a direction in which the collision site relatively moves toward the rear of the vehicle.
- tensile stress acts on the rear part of the bumper reinforcement 12 relative to the neutral axis CL (the part including the wall part 20W).
- a compressive stress acts on the front side of the vehicle from the neutral axis CL in the bumper reinforcement 12. That is, in the front bumper 10, the compressive stress acts not only on the wall portion 22W in the bumper reinforcement 12 but also on the upper flanges 20U and 22U, the intermediate flanges 20C and 22C, and the lower flanges 20L and 22L that are joined to each other.
- the upper flanges 202U and 204U, the intermediate flanges 202C and 204C, and the lower flanges 202L and 204L do not bear a bending load (high stress acts on the bending). . Therefore, it cannot be said that the masses of the upper flanges 202U and 204U, the intermediate flanges 202C and 204C, and the lower flanges 202L and 204L are effectively used.
- the upper flanges 20U and 22U, the intermediate flanges 20C and 22C, and the lower flanges 20L and 22L of the bumper reinforcement 12 bear a compressive load.
- the bending strength per mass of the bumper reinforcement 12 is improved.
- each of the upper flanges 20U and 22U, the intermediate flanges 20C and 22C, and the lower flanges 20L and 22L which are a plurality of joints, receives a compressive stress at a position that is the farthest from the neutral axis CL in the bumper reinforcement 12.
- the bumper reinforcement 12 Bending strength per mass is improved.
- the upper flanges 20U and 22U, the intermediate flanges 20C and 22C, and the lower flanges 20L and 22L are disposed on the front side (the vehicle outer side) which is the load input side. For this reason, the sustainability of the load (bending strength) of the bumper reinforcement 12 is improved. This point will be described in comparison with the bumper reinforcement 300 of FIG. 24 according to the second comparative example included in the present invention.
- the bumper reinforcement 300 includes an outer panel 302 having a hat-shaped cross section that opens to the rear of the vehicle.
- the outer panel 302 has an upper flange 302U, an intermediate flange 302C, and a lower flange 302L.
- the intermediate flange 302C is formed between the upper and lower wall portions 302W forming the front wall of the closed section CS along the same plane as the 302W.
- the bumper reinforcement 300 includes an inner panel 304 having a cross-sectional hat shape that opens to the rear of the vehicle and has a small opening width.
- the inner panel 304 has an upper flange 304U, an intermediate flange 304C, and a lower flange 304L.
- the upper and lower sides of the closed section CS are configured by an upper wall 302NU and a lower wall 302NL.
- the deformation mode of the bumper reinforcement 300 (analysis model simplified to a single closed section) is as shown in FIG. 5A.
- the upper wall 302NU and the lower wall 302NL having a closed cross section can be regarded as beams subjected to axial compression.
- the deformation mode of the upper wall 302NU and the lower wall 302NL is a deformation mode with one bending peak.
- the deformation modes of the upper wall 20NU and the lower wall 20NL forming the closed section CS are shown in FIG. 5B.
- the upper wall 20NU and the lower wall 20NL are subjected to compression in the vehicle front-rear direction and are deformed into a substantially S shape in a side view.
- the upper flange 22U, the intermediate flange 20C, and the lower flange 20L of the bumper reinforcement 12 are in a deformation mode in which rotation at the front ends of the upper wall 20NU and the lower wall 20NL is suppressed.
- n 2.
- FIG. 4 shows the relationship between the bending moment (bending strength) generated by the bumper reinforcements 12 and 300 and the stroke. From this figure, although the bumper reinforcement 12 has the peak of the generated load equivalent to the bumper reinforcement 300 according to the comparative example of FIG. 5A, the generated load when the stroke increases is higher than that of the bumper reinforcement 300. I understand. That is, in the front bumper 10, the sustainability of the generated load accompanying the bending of the bumper reinforcement 12 is improved.
- FIG. 6 shows a bumper reinforcement 32 constituting a front bumper 30 according to the second embodiment of the present invention in a cross-sectional view corresponding to FIG.
- FIG. 7 shows the front bumper 30 in a perspective view corresponding to FIG.
- the front bumper 30 includes an outer panel 34 in which a bead 36 is formed on a wall 34W, instead of the outer panel 22 having a flat wall 22W.
- the outer panel 34 has wall portions 34W formed between an upper flange 34U, an intermediate flange 34C, and a lower flange 34L.
- the upper flange 34U, the intermediate flange 34C, and the lower flange 34L are joined to the upper flange 20U, the intermediate flange 20C, and the lower flange 20L by spot welding.
- a bead 36 that is elongated along the vehicle width direction is formed at the middle portion in the vertical direction of each wall 34W. In this embodiment, the bead 36 is formed over the entire length of the bumper reinforcement 32. Further, the bead 36 in this embodiment is formed on the side protruding into the closed cross section CS formed by the wall portion 34W and the concave shape portion 20N.
- FIG. 8 shows the results of a three-point bending analysis of the bumper reinforcement 32 having the beads 36 and the bumper reinforcement 12 not having the beads 36. From this figure, it can be seen that in the bumper reinforcement 32 of the front bumper 30, the generated bending moment, that is, the bending strength, is improved with respect to the bumper reinforcement 12.
- FIG. 9 is a perspective view corresponding to FIG. 7 showing a bumper reinforcement 42 constituting a front bumper 40 according to the third embodiment of the present invention.
- FIG. 10 shows the bumper reinforcement 42 in a plan view.
- the front bumper 40 is different from the front bumper 30 according to the second embodiment in the formation range of the beads 36.
- the bumper reinforcement 42 includes an outer panel 44 instead of the outer panel 34.
- wall portions 44W are formed between the upper flange 44U, the intermediate flange 44C, and the lower flange 44L, respectively.
- the upper flange 44U, the intermediate flange 44C, and the lower flange 44L are joined to the upper flange 20U, the intermediate flange 20C, and the lower flange 20L by spot welding.
- the beads 36 in the bumper reinforcement 42 are formed only in the longitudinal direction of the bumper reinforcement 42 only between the connecting portions with the crash box 18 (front side member 16). Therefore, in the outer panel 44 constituting the bumper reinforcement 42 with the inner panel 20, the tool hole 44A is formed in a portion where the bead 36 is not formed.
- Other configurations of the front bumper 40 are the same as the corresponding portions of the front bumper 30, including portions not shown.
- a tool hole 44A is disposed in a portion (substantially flat portion) where the bead 36 is not formed in the outer panel 44.
- the tool hole 44A can be formed by simple processing.
- the tool hole 34A of the outer panel 34 is formed by cutting out the bottom wall 36A of the bead 36 and the upper and lower groove walls 36B.
- the tool hole 44A formed by cutting out a substantially flat portion of the outer panel 44 is easy to process, and can be formed with high accuracy with respect to its arrangement and dimensions.
- FIG. 12 is a perspective view showing a part of a bumper reinforcement 52 constituting a front bumper 50 according to the fourth embodiment of the present invention. As shown in this figure, in the front bumper 50, the upper and lower flanges 54U and 54L of the outer panel 54 forming the bumper reinforcement 52 with the inner panel 20 are discontinuous in the vehicle width direction.
- the outer panel 54 has wall portions 54W formed between an upper flange 54U, an intermediate flange 54C, and a lower flange 54L.
- the upper flange 54U, the intermediate flange 54C, and the lower flange 54L are joined to the upper flange 20U, the intermediate flange 20C, and the lower flange 20L by spot welding.
- the upper flanges 54U and 54L of the outer panel 54 are formed as notches 56 as discontinuous portions between the spot welding points S with the upper flanges 20U and 20L.
- the notch portion 56 reaches the wall portion 54W that forms the closed section CS with the concave shape portion 20N.
- the closed cross-section CS communicates with the outside at the notch 56 (a part on the bottom 56A side).
- each notch 56 is formed of a smooth curved surface at least at the bottom 56A.
- the intermediate flange 54C formed between the upper and lower wall portions 54W is joined to the intermediate flange 20C by spot welding.
- Other configurations of the front bumper 50 are configured in the same manner as the corresponding portions of the front bumper 10, including portions not shown.
- a notch 56 is formed in the upper flange 54U and the lower flange 54L to which a compressive stress acts in accordance with the bending in the bumper reinforcement 52. For this reason, peeling of spot welding between the upper flange 20U and the upper flange 54U, and the lower flange 20L and the lower flange 54L hardly occurs.
- an ED hole is formed by setting a notch 56 in the outer panel 54. For this reason, it is possible to achieve both the setting of ED holes (workability requirements) and the required strength requirements.
- FIG. 14 is a perspective view showing a part of the bumper reinforcement 62 constituting the front bumper 60 according to the fifth embodiment of the present invention. As shown in this figure, in the front bumper 60, the arrangement of the notches 56 in the vehicle width direction is different between the upper flange 64U and the lower flange 64L of the outer panel 64 constituting the bumper reinforcement 62 with the inner panel 20.
- the outer panel 64 has wall portions 64W formed between an upper flange 64U, an intermediate flange 64C, and a lower flange 64L.
- the upper flange 64U, the intermediate flange 64C, and the lower flange 64L are joined to the upper flange 20U, the intermediate flange 20C, and the lower flange 20L by spot welding.
- the positions of the spot welding points S in the vehicle width direction are alternately arranged (staggered) between the upper flange 64U and the lower flange 64L.
- the vehicle width direction position of is shifted. Therefore, in the front bumper 60, the position of the ED hole opened in the wall portion 64W of the bumper reinforcement 62 is also shifted in the vehicle width direction in the vertical direction.
- S is arranged. That is, the spot welding points S of the bumper reinforcement 62 are arranged in a substantially triangular wave shape as a whole.
- Other configurations of the front bumper 60 are the same as the corresponding portions of the front bumper 10, including portions not shown.
- the front bumper 60 according to the fifth embodiment can basically obtain the same effect by the same operation as that of the front bumper 50 according to the fourth embodiment. Moreover, in the front bumper 60, since the position in the vehicle width direction of the notch 56 is shifted between the upper flange 64U and the lower flange 64L, a sudden change in the section modulus (section force) with respect to the bending of the bumper reinforcement 62 due to the collision is suppressed. can do. That is, the bumper reinforcement 62 has a higher bending strength than the bumper reinforcement 52.
- a notch 56 may be set in bumper reinforcements 500 and 600 having a single closed section CS.
- the bumper reinforcement 500 according to the first reference example of FIG. 25 is configured by joining the upper and lower flanges 502F of the hat-shaped inner panel 502 opening forward and the upper and lower flanges 504F of the flat outer panel 504. Yes.
- the notch 56 is formed between the spot welding points S of the upper and lower flanges 504F.
- the bumper reinforcement 600 according to the second reference example of FIG. 26 is configured by joining the flange 502F of the inner panel 502 and the upper and lower flanges 602F of the flat outer panel 602.
- the notch 56 is formed between the spot welding points S offset in the vehicle width direction by the upper and lower flanges 602F. Also in the bumper reinforcements 500 and 600 according to these reference examples, the separation of the spot welding point S accompanying the bending at the time of collision is suppressed by the same function and effect as in the fourth and fifth embodiments. Moreover, the notch part 56 which connects each closed cross-section CS and the exterior functions as an ED hole.
- the upper flange 22U, 34U, 44U, 54U, 64U, the lower flange 22L, 34L, 44L, 54L, 64L, the intermediate flange 22C, 34C, 44C, 54C, 64C are in front of the closed section CS.
- the wall portions 22W, 34W, 44W, 54W, and 64W forming the wall are arranged on the same straight line in a side sectional view.
- the present invention is not limited to this.
- the configuration according to the modification shown in FIGS. 15 to 18 can be employed.
- the bumper reinforcement 80 is configured by joining an inner panel 82 and an outer panel 84.
- the inner panel 82 has two concave portions 82N formed between an upper flange 82U and a lower flange 82L.
- An intermediate flange 82C is disposed between the two concave portions 82N.
- the intermediate flange 82C is located behind the vehicle with respect to the upper and lower flanges 82U and 82L.
- wall portions 84W are formed between the upper flange 84U, the intermediate flange 84C, and the lower flange 84L, respectively.
- the upper flange 84U, the intermediate flange 84C, and the lower flange 84L are joined to the upper flange 82U, the intermediate flange 82C, and the lower flange 82L by spot welding.
- an upper flange 84U, a lower flange 84L, and a wall portion 84W that forms a closed section CS with the recessed portion 82N are arranged on the same straight line in a side sectional view.
- the intermediate flange 84C is located behind the vehicle with respect to the same straight line.
- a bumper reinforcement 90 is configured by joining an inner panel 92 and an outer panel 94.
- the inner panel 92 has two concave portions 92N formed between an upper flange 92U and a lower flange 92L.
- An intermediate flange 92C is disposed between the two concave portions 92N.
- the intermediate flange 92C is positioned in front of the vehicle with respect to the upper and lower flanges 92U and 92L.
- wall portions 94W are formed between the upper flange 94U, the intermediate flange 94C, and the lower flange 94L.
- the upper flange 94U, the intermediate flange 94C, and the lower flange 94L are joined to the upper flange 92U, the intermediate flange 92C, and the lower flange 92L by spot welding.
- an intermediate flange 94C and a wall portion 94W that forms a closed section CS with the concave portion 92N are arranged on the same straight line in a side sectional view.
- the upper flange 94U and the lower flange 94L are located behind the vehicle with respect to the same straight line.
- the bumper reinforcement 100 is configured by joining an inner panel 102 and an outer panel 104.
- the inner panel 102 has two concave portions 102N formed between an upper flange 102U and a lower flange 102L. Further, an intermediate flange 102C is disposed between the two concave portions 102N.
- the lower flange 102L is located on the rear side of the vehicle with respect to the flanges 102U and 102C disposed above the lower flange 102L.
- wall portions 104W are formed between the upper flange 104U, the intermediate flange 104C, and the lower flange 104L.
- the upper flange 104U, the intermediate flange 104C, and the lower flange 104L are joined to the upper flange 102U, the intermediate flange 102C, and the lower flange 102L by spot welding.
- an upper flange 104U, an intermediate flange 104C, and a wall portion 104W that forms a closed section CS with the concave portion 102N are arranged on the same straight line in a side sectional view.
- the lower flange 104L is located behind the vehicle with respect to the same straight line. Note that the bumper reinforcement 100 may be vertically inverted.
- At least a part of the upper flange, the lower flange, and the intermediate flange is formed along the same plane as the wall portion on the load input side of the closed section CS, What is necessary is just to be located ahead of a vehicle rather than this wall part.
- a plurality of flanges are arranged on the same straight line as the side of the load input side wall portion of the closed section CS, or more than the wall portion. It is desirable to be located in front of the vehicle.
- the upper and lower ends (free ends) of the upper and lower flanges are in front of the vehicle from the root (wall side).
- a configuration in which at least one of the upper and lower flanges is inclined with respect to the wall portion so as to be positioned can be exemplified.
- the fifth modification is at least a part of the upper flange, the lower flange, and the intermediate flange disposed on the same straight line as the wall with reference to the wall on the load input side of the closed section CS? Or what is necessary is just to be offset and arrange
- the upper flange 124U, the two intermediate flanges 124C, and the lower flange 124L are joined to the upper flange 122U, the two intermediate flanges 122C, and the lower flange 122L by spot welding.
- an upper flange 124U, an intermediate flange 124C, a lower flange 124L, and a wall portion 124W are formed along the same plane.
- the seventh modified example shown in FIG. 21 has an outer panel 132 that forms a bumper reinforcement 130 with the inner panel 20.
- wall portions 132W are formed between the upper flange 132U, the intermediate flange 132C, and the lower flange 132L.
- the upper flange 132U, the intermediate flange 132C, and the lower flange 132L are joined to the upper flange 20U, the intermediate flange 20C, and the lower flange 20L by spot welding.
- the outer panel 132 has a two-part configuration including an upper panel 134 and a lower panel 136.
- the upper panel 134 has an upper flange 132U, an intermediate flange 132C, and an upper wall portion 132W.
- the lower panel 136 includes an outer panel 132, an intermediate flange 132C, and a lower wall portion 132W.
- the intermediate flange 132 ⁇ / b> C is configured as an overlapping portion of the upper panel 134 and the lower panel 136.
- the eighth modification shown in FIG. 22 has an outer panel 142 that forms a bumper reinforcement 140 with the inner panel 20.
- wall portions 142W are formed between the upper flange 142U, the intermediate flange 142C, and the lower flange 142L.
- the upper flange 142U, the intermediate flange 142C, and the lower flange 142L are joined to the upper flange 20U, the intermediate flange 20C, and the lower flange 20L by spot welding.
- the outer panel 142 is configured by connecting the upper panel 144 and the lower panel 146 with a thickness difference.
- the lower panel 146 is thicker than the upper panel 144, but may be reversed.
- the intermediate flange 142C is set to the thick lower panel 146, but the intermediate flange 142C may be set to the thin upper panel 144.
- the present invention is not limited to the above-described embodiments and modifications, and can be implemented with various modifications. Furthermore, you may comprise combining the above-mentioned each embodiment and the characteristic structure of a modification suitably.
- the bumper reinforcement structure according to the present invention is applied to the front bumper, but the present invention is not limited to this.
- the bumper reinforcement structure according to the present invention may be applied to a rear bumper.
- the inner panel 20 and the outer panel 22 and the like are joined by spot welding
- the present invention is not limited to this.
- the inner panel 20 or the like and the outer panel 22 or the like may be joined by caulking such as adhesion or rivet fastening.
- the bumper reinforcements 12, 32, 42, 52, 62, 70, 80, 90, 100, 110, 120, 130, 140 are connected to the crash box 18 by the weld nut 24 and the bolt 26.
- the present invention is not limited to this.
- the bumper reinforcement 12 and the crash box 18 may be coupled (fixed) by welding.
Abstract
Description
F = n2π2EI/L2
で表わすことができ、この場合はn=1であるから、上壁304NU、下壁304NLの座屈荷重F300は、
F300 = π2EI/L2
となる。この点は、例えば比較例としてバンパリインフォースメント12を前後逆転させた構成(本発明に含まれる例)を用いた場合も同様である。
F12 = 4π2EI/L2
ピーク荷重を発生した後においても高い発生荷重を維持ができる。
次に、本発明の他の実施形態を説明する。なお、上記第1の実施形態又は前出の構成と基本的に同一の部品・部分については、上記第1の実施形態又は前出の構成と同一の符号を付して説明を省略する。また、各実施形態におけるバンパリインフォースメントの平面視での形状は、バンパリインフォースメント12の平面視での形状と同様であるので、説明は省略する。
図6には、本発明の第2の実施形態に係るフロントバンパ30を構成するバンパリインフォースメント32が図1に対応する断面図にて示されている。また、図7には、フロントバンパ30が図2に対応する斜視図にて示されている。これらの図に示される如く、フロントバンパ30は、平坦な壁部22Wを有するアウタパネル22に代えて、壁部34Wにビード36が形成されたアウタパネル34を備えている。
図9には、本発明の第3の実施形態に係るフロントバンパ40を構成するバンパリインフォースメント42が図7に対応する斜視図にて示されている。また、図10には、バンパリインフォースメント42が平面図にて示されている。これらの図に示される如く、フロントバンパ40は、ビード36の形成範囲において、第2の実施形態に係るフロントバンパ30とは異なる。
図12には、本発明の第4の実施形態に係るフロントバンパ50を構成するバンパリインフォースメント52の一部が斜視図にて示されている。この図に示される如く、フロントバンパ50は、インナパネル20とでバンパリインフォースメント52を成すアウタパネル54の上下のフランジ54U、54Lが車幅方向に不連続とされている。
図14には、本発明の第5の実施形態に係るフロントバンパ60を構成するバンパリインフォースメント62の一部が斜視図にて示されている。この図に示される如く、フロントバンパ60は、インナパネル20とでバンパリインフォースメント62を構成するアウタパネル64の上フランジ64Uと下フランジ64Lとで、切欠部56の車幅方向における配置が異なる。
図15に示す第1変形例は、インナパネル20とでバンパリインフォースメント70を構成するアウタパネル72を有する。アウタパネル72は、上フランジ72U、中間フランジ72C、下フランジ72L間にそれぞれ壁部72Wが形成されている。上フランジ72U、中間フランジ72C、下フランジ72Lは、上フランジ20U、中間フランジ20C、下フランジ20Lにスポット溶接にて接合されている。アウタパネル72は、凹形状部20Nとで閉断面CSを成す壁部72Wが、上フランジ72U、下フランジ72L、中間フランジ72Cに対し車両後方に位置している。
図16に示す第2変形例は、バンパリインフォースメント80がインナパネル82とアウタパネル84との接合にて構成されている。インナパネル82は、上フランジ82Uと下フランジ82Lとの間に2つの凹形状部82Nが形成されている。また、2つの凹形状部82N間には中間フランジ82Cが配置されている。中間フランジ82Cは、上下のフランジ82U、82Lに対し車両後方に位置している。アウタパネル84は、上フランジ84U、中間フランジ84C、下フランジ84L間にそれぞれ壁部84Wが形成されている。上フランジ84U、中間フランジ84C、下フランジ84Lは、上フランジ82U、中間フランジ82C、下フランジ82Lにスポット溶接にて接合されている。アウタパネル84は、上フランジ84U、下フランジ84Lと、凹形状部82Nとで閉断面CSを成す壁部84Wとが側断面視で同一直線上に配置されている。一方、中間フランジ84Cは、上記の同一直線に対し車両後方に位置している。
図17に示す第3変形例は、バンパリインフォースメント90がインナパネル92とアウタパネル94との接合にて構成されている。インナパネル92は、上フランジ92Uと下フランジ92Lとの間に2つの凹形状部92Nが形成されている。また、2つの凹形状部92N間には中間フランジ92Cが配置されている。中間フランジ92Cは、上下のフランジ92U、92Lに対し車両前方に位置している。アウタパネル94は、上フランジ94U、中間フランジ94C、下フランジ94L間にそれぞれ壁部94Wが形成されている。上フランジ94U、中間フランジ94C、下フランジ94Lは、上フランジ92U、中間フランジ92C、下フランジ92Lにスポット溶接にて接合されている。アウタパネル94は、中間フランジ94Cと、凹形状部92Nとで閉断面CSを成す壁部94Wとが側断面視で同一直線上に配置されている。一方、上フランジ94U、下フランジ94Lは、上記の同一直線に対し車両後方に位置している。
図18に示す第4変形例は、バンパリインフォースメント100がインナパネル102とアウタパネル104との接合にて構成されている。インナパネル102は、上フランジ102Uと下フランジ102Lとの間に2つの凹形状部102Nが形成されている。また、2つの凹形状部102N間には中間フランジ102Cが配置されている。下フランジ102Lは、その上方に配置されたフランジ102U、102Cに対し車両後方に位置している。アウタパネル104は、上フランジ104U、中間フランジ104C、下フランジ104L間にそれぞれ壁部104Wが形成されている。上フランジ104U、中間フランジ104C、下フランジ104Lは、上フランジ102U、中間フランジ102C、下フランジ102Lにスポット溶接にて接合されている。アウタパネル104は、上フランジ104U、中間フランジ104Cと、凹形状部102Nとで閉断面CSを成す壁部104Wとが側断面視で同一直線上に配置されている。一方、下フランジ104Lは、上記の同一直線に対し車両後方に位置している。なお、バンパリインフォースメント100を上下反転させた形状としても良い。
図19に示す第4変形例は、インナパネル20とでバンパリインフォースメント110を構成するアウタパネル112を有する。アウタパネル112は、上フランジ112U、中間フランジ112C、下フランジ112L間にそれぞれ壁部112Wが形成されている。上フランジ112U、中間フランジ112C、下フランジ112Lは、上フランジ20U、中間フランジ20C、下フランジ20Lにスポット溶接にて接合されている。アウタパネル112は、壁部112Wの上下方向中央部から車両前方に向けてビード114が突出されている。
図20に示す第6変形例は、バンパリインフォースメント120がインナパネル122とアウタパネル124との接合にて構成されている。インナパネル122は、上フランジ122Uと下フランジ122Lとの間に、3つの凹形状部122N及び2つの中間フランジ122Cが形成されている。アウタパネル124は、上フランジ124U、2つの中間フランジ124C、下フランジ124L間に、3つの凹形状部122Nとで閉断面CSを成す3つの壁部124Wが形成されている。上フランジ124U、2つの中間フランジ124C、下フランジ124Lは、上フランジ122U、2つの中間フランジ122C、下フランジ122Lにスポット溶接にて接合されている。アウタパネル124は、上フランジ124U、中間フランジ124C、下フランジ124Lと、壁部124Wとが同一平面に沿って形成されている。なお、上下の4つ以上の閉断面CSが形成(並列)される構成としても良い。
図21に示す第7変形例は、インナパネル20とでバンパリインフォースメント130を構成するアウタパネル132を有する。アウタパネル132は、上フランジ132U、中間フランジ132C、下フランジ132L間にそれぞれ壁部132Wが形成されている。上フランジ132U、中間フランジ132C、下フランジ132Lは、上フランジ20U、中間フランジ20C、下フランジ20Lにスポット溶接にて接合されている。アウタパネル132は、アッパパネル134とロアパネル136との2部品構成とされている。アッパパネル134は、上フランジ132U、中間フランジ132C、上側の壁部132Wを有する。ロアパネル136は、アウタパネル132、中間フランジ132C、下側の壁部132Wを有する。この変形例では、中間フランジ132Cは、アッパパネル134とロアパネル136との重ね合わせ分として構成されている。
図22に示す第8変形例は、インナパネル20とでバンパリインフォースメント140を構成するアウタパネル142を有する。アウタパネル142は、上フランジ142U、中間フランジ142C、下フランジ142L間にそれぞれ壁部142Wが形成されている。上フランジ142U、中間フランジ142C、下フランジ142Lは、上フランジ20U、中間フランジ20C、下フランジ20Lにスポット溶接にて接合されている。アウタパネル142は、アッパパネル144とロアパネル146とを差厚結合して構成されている。この変形例では、ロアパネル146をアッパパネル144に対し厚肉としているが、逆にしても良い。また、この変形例では、中間フランジ142Cが厚肉のロアパネル146に設定されているが、薄肉側のアッパパネル144に中間フランジ142Cを設定しても良い。
Claims (8)
- 車両前後方向の端部で車幅方向に沿って配置されると共に車両前後方向の中央側から骨格部材にて支持された内側部材と、前記内側部材に対する前記骨格部材側とは反対側で車幅方向に沿って配置された外側部材とが、それぞれ車両上下方向に離間して設けられた3つ以上の接合部で接合されることで、車両上下方向に2つ以上の閉断面が形成されて成り、
かつ、前記接合部の少なくとも一部は、前記閉断面を構成する車両前後方向の前側又は後側の壁部に対して、車両前後方向の位置が同じか、又は前記閉断面から離れる側に配置されているバンパリインフォースメント構造。 - 複数の前記接合部が、前記閉断面を構成する車両前後方向の前側及び後側の壁部のうち前記外側部材が構成する壁部に対して、車両前後方向の位置が同じか、又は前記閉断面から離れる側に配置されている請求項1記載のバンパリインフォースメント構造。
- 車両前後方向の端部で車幅方向に沿って配置されると共に車両前後方向の中央側から骨格部材にて支持され、車両上下方向に離間して設けられた3つ以上の接合部の間に前記骨格部材側と反対側を向いて開口する複数の凹部が形成された内側部材と、
前記内側部材の各接合部にそれぞれ接合される3つ以上の接合部と、前記凹部とで閉断面を成す壁部の車両上下方向の両端部を含む少なくとも一部とが、該閉断面の長手方向に直交する断面視で同一直線上に配置されている外側部材と、
を備えたバンパリインフォースメント構造。 - 前記外側部材を構成する壁部には、車幅方向に長手とされたビードが形成されている請求項1~請求項3の何れか1項記載のバンパリインフォースメント構造。
- 前記内側部材は、車幅方向の両端側で前記骨格部材に支持されており、
前記ビードは、前記骨格部材による支持部位間に形成されている請求項4記載のバンパリインフォースメント構造。 - 前記内側部材及び外側部材の接合部のうち車両上下方向の両端に位置する接合部は、
前記外側部材の壁部に対して車両前後方向の位置が同じか、又は前記閉断面から離れる側に配置されると共に、
それぞれ車幅方向に離間した3箇所以上の接合部位で接合されており、
かつ、内側部材側又は外側部材側の接合部における車幅方向に隣り合う前記接合部位間の少なくとも一部が、不連続部とされている請求項1~請求項5の何れか1項記載のバンパリインフォースメント構造。 - 車両上下方向の上端に位置する前記接合部と、車両上下方向の下端に位置する前記接合部とで、前記不連続部の車幅方向における位置がオフセットされている請求項6記載のバンパリインフォースメント構造。
- 前記不連続部は、前記内側部材と外側部材とで形成された閉断面を該閉断面の外部と連通するように、前記外側部材の接合部に形成されている請求項6又は請求項7記載のバンパリインフォースメント構造。
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US13/639,803 US8967687B2 (en) | 2010-04-09 | 2010-04-09 | Bumper reinforcement structure |
PCT/JP2010/056466 WO2011125223A1 (ja) | 2010-04-09 | 2010-04-09 | バンパリインフォースメント構造 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013189054A (ja) * | 2012-03-13 | 2013-09-26 | Aisin Seiki Co Ltd | バンパ装置 |
JP2013216116A (ja) * | 2012-04-04 | 2013-10-24 | Jfe Steel Corp | 車両用バンパメンバ |
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WO2019035185A1 (ja) * | 2017-08-15 | 2019-02-21 | 新日鐵住金株式会社 | バンパービーム及び車両 |
JP2019093876A (ja) * | 2017-11-22 | 2019-06-20 | 日本製鉄株式会社 | バンパービーム及び車両 |
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Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20130139847A (ko) * | 2010-08-03 | 2013-12-23 | 코스마 엔지니어링 유럽 아게 | 범퍼 조립체 |
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CN106428214A (zh) * | 2016-11-30 | 2017-02-22 | 华南理工大学 | 一种汽车前防撞梁 |
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US10618486B2 (en) * | 2018-05-24 | 2020-04-14 | Ford Global Technologies, Llc | Bumper assembly with variable stiffness |
EP3831668B1 (en) * | 2018-08-01 | 2024-03-27 | Sumitomo Heavy Industries, Ltd. | Reinforcement member for vehicle, and method for manufacturing same |
CN111173876B (zh) * | 2020-01-13 | 2021-07-20 | 哈尔滨工业大学 | 一种高吸能比缓冲吸能结构 |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0278451U (ja) | 1988-12-06 | 1990-06-15 | ||
JPH06135290A (ja) | 1992-10-27 | 1994-05-17 | Aisin Seiki Co Ltd | バンパービーム |
JPH1159296A (ja) | 1997-08-13 | 1999-03-02 | Kobe Steel Ltd | 自動車用バンパーリーンフォースメント |
JP2000072032A (ja) * | 1998-09-02 | 2000-03-07 | Daihatsu Motor Co Ltd | 車両用フロントメンバ |
JP2000198401A (ja) | 1999-01-11 | 2000-07-18 | Mazda Motor Corp | 車両バンパーの補強部材 |
JP2001199293A (ja) | 2000-01-20 | 2001-07-24 | Suzuki Motor Corp | バンパーメンバ取付構造 |
JP2001239903A (ja) * | 2000-02-29 | 2001-09-04 | Katayama Kogyo Co Ltd | 車両用バンパ |
JP2005271734A (ja) | 2004-03-24 | 2005-10-06 | Toyota Motor Corp | 車両前部の衝撃吸収構造 |
JP4055910B2 (ja) * | 2006-09-08 | 2008-03-05 | Tdk株式会社 | セラミック電子部品の製造方法 |
JP2008080924A (ja) * | 2006-09-27 | 2008-04-10 | Mazda Motor Corp | 自動車のリヤバンパ構造 |
WO2009107670A1 (ja) * | 2008-02-27 | 2009-09-03 | 株式会社神戸製鋼所 | バンパビーム |
JP2010047226A (ja) * | 2008-08-25 | 2010-03-04 | Aisin Seiki Co Ltd | 車両用バンパ装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63112287A (ja) * | 1986-10-29 | 1988-05-17 | Isuzu Motors Ltd | 車両等のフレ−ム構造体及びその製造方法 |
JPH0455910A (ja) | 1990-06-26 | 1992-02-24 | Nec Corp | 数値制御用自動プログラミング装置および方法 |
JPH06321033A (ja) * | 1993-05-18 | 1994-11-22 | Nippon Steel Corp | 薄鋼板を用いたバンパー補強材 |
CA2341684C (en) | 1998-09-18 | 2009-01-13 | Cosma International, Inc. | Bumper beam assembly and method |
JP3974603B2 (ja) * | 2004-07-28 | 2007-09-12 | 本田技研工業株式会社 | 車両用バンパー構造 |
JP2006044308A (ja) * | 2004-07-30 | 2006-02-16 | Honda Motor Co Ltd | バンパービームの組付け方法 |
US7703820B2 (en) * | 2005-04-29 | 2010-04-27 | Autotech Engineering, A.I.E. | Bumper reinforcing cross-member |
JP4442548B2 (ja) * | 2005-11-09 | 2010-03-31 | トヨタ自動車株式会社 | ルーフヘッダ構造 |
JP4872541B2 (ja) * | 2006-08-31 | 2012-02-08 | マツダ株式会社 | 自動車のバンパ構造 |
JP5061557B2 (ja) | 2006-09-27 | 2012-10-31 | マツダ株式会社 | 自動車のバンパ構造 |
US20080093867A1 (en) * | 2006-10-24 | 2008-04-24 | Shape Corporation | B-shaped beam with integrally-formed rib in face |
-
2010
- 2010-04-09 CN CN201080066051.4A patent/CN102834301B/zh not_active Expired - Fee Related
- 2010-04-09 US US13/639,803 patent/US8967687B2/en not_active Expired - Fee Related
- 2010-04-09 WO PCT/JP2010/056466 patent/WO2011125223A1/ja active Application Filing
- 2010-04-09 EP EP10849464.2A patent/EP2557000B1/en not_active Not-in-force
- 2010-04-09 JP JP2012509262A patent/JP5387759B2/ja active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0278451U (ja) | 1988-12-06 | 1990-06-15 | ||
JPH06135290A (ja) | 1992-10-27 | 1994-05-17 | Aisin Seiki Co Ltd | バンパービーム |
JPH1159296A (ja) | 1997-08-13 | 1999-03-02 | Kobe Steel Ltd | 自動車用バンパーリーンフォースメント |
JP2000072032A (ja) * | 1998-09-02 | 2000-03-07 | Daihatsu Motor Co Ltd | 車両用フロントメンバ |
JP2000198401A (ja) | 1999-01-11 | 2000-07-18 | Mazda Motor Corp | 車両バンパーの補強部材 |
JP2001199293A (ja) | 2000-01-20 | 2001-07-24 | Suzuki Motor Corp | バンパーメンバ取付構造 |
JP2001239903A (ja) * | 2000-02-29 | 2001-09-04 | Katayama Kogyo Co Ltd | 車両用バンパ |
JP2005271734A (ja) | 2004-03-24 | 2005-10-06 | Toyota Motor Corp | 車両前部の衝撃吸収構造 |
JP4055910B2 (ja) * | 2006-09-08 | 2008-03-05 | Tdk株式会社 | セラミック電子部品の製造方法 |
JP2008080924A (ja) * | 2006-09-27 | 2008-04-10 | Mazda Motor Corp | 自動車のリヤバンパ構造 |
WO2009107670A1 (ja) * | 2008-02-27 | 2009-09-03 | 株式会社神戸製鋼所 | バンパビーム |
JP2010047226A (ja) * | 2008-08-25 | 2010-03-04 | Aisin Seiki Co Ltd | 車両用バンパ装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2557000A4 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8820804B2 (en) | 2011-03-25 | 2014-09-02 | Toyota Jidosha Kabushiki Kaisha | Vehicle end section structure |
JP2013189054A (ja) * | 2012-03-13 | 2013-09-26 | Aisin Seiki Co Ltd | バンパ装置 |
JP2013216116A (ja) * | 2012-04-04 | 2013-10-24 | Jfe Steel Corp | 車両用バンパメンバ |
KR101436815B1 (ko) * | 2013-07-16 | 2014-11-03 | (주)아산 | 차량용 범퍼빔 |
WO2019035185A1 (ja) * | 2017-08-15 | 2019-02-21 | 新日鐵住金株式会社 | バンパービーム及び車両 |
JP2019093876A (ja) * | 2017-11-22 | 2019-06-20 | 日本製鉄株式会社 | バンパービーム及び車両 |
JP2020037361A (ja) * | 2018-09-05 | 2020-03-12 | いすゞ自動車株式会社 | 車両のサイドガードの補強構造および車両 |
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CN102834301B (zh) | 2015-06-03 |
JP5387759B2 (ja) | 2014-01-15 |
EP2557000A4 (en) | 2013-10-23 |
JPWO2011125223A1 (ja) | 2013-07-08 |
US8967687B2 (en) | 2015-03-03 |
US20130119680A1 (en) | 2013-05-16 |
EP2557000B1 (en) | 2015-03-25 |
CN102834301A (zh) | 2012-12-19 |
EP2557000A1 (en) | 2013-02-13 |
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