WO2023181248A1 - 車両のフレーム構造 - Google Patents

車両のフレーム構造 Download PDF

Info

Publication number
WO2023181248A1
WO2023181248A1 PCT/JP2022/013906 JP2022013906W WO2023181248A1 WO 2023181248 A1 WO2023181248 A1 WO 2023181248A1 JP 2022013906 W JP2022013906 W JP 2022013906W WO 2023181248 A1 WO2023181248 A1 WO 2023181248A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
width direction
vehicle width
cross
inner member
Prior art date
Application number
PCT/JP2022/013906
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
康雄 秋本
渉 末廣
Original Assignee
三菱自動車工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱自動車工業株式会社 filed Critical 三菱自動車工業株式会社
Priority to PCT/JP2022/013906 priority Critical patent/WO2023181248A1/ja
Priority to JP2024509571A priority patent/JP7730093B2/ja
Publication of WO2023181248A1 publication Critical patent/WO2023181248A1/ja

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members

Definitions

  • the present invention relates to a vehicle frame structure.
  • Vehicles such as pickup trucks are equipped with, for example, a pair of side members spaced apart from each other in the vehicle width direction as strength members. Further, the pair of side members are connected by a plurality of cross members extending substantially in the vehicle width direction to form a chassis frame.
  • leaf springs as suspension devices.
  • the front and rear ends of the leaf spring are swingably supported by the side members, respectively.
  • a rear end portion of a leaf spring is supported by a side member via a shackle.
  • the side members are often made of, for example, a steel plate and have a rectangular box-like or U-shaped vertical cross section. Furthermore, in order to reduce the weight of vehicles, there is a demand for reducing the thickness of the subframe as much as possible.
  • the present invention has been made to solve these problems, and aims to reduce the weight of a vehicle having a chassis frame formed by connecting a pair of left and right side members with a cross member while ensuring the rigidity of the side members.
  • the purpose is to provide a frame structure for a vehicle that can
  • the frame structure of a vehicle of the present invention includes a pair of side members arranged at intervals in the vehicle width direction and extending in the longitudinal direction of the vehicle, and a pair of side members extending in the vehicle width direction.
  • the joint portion between the first member and the second member is located forward of a center position of the width of the cross member in the longitudinal direction of the vehicle.
  • the inner member can be divided into the first member and the second member to shorten the length of the parts, thereby improving the yield of the parts and reducing the cost of the parts.
  • the cross member is connected to cover the joint between the first member and the second member, the strength of the side member at the joint between the first and second members can be ensured.
  • this joint can be firmly fixed. By doing so, the rigidity of the entire frame including the side members and cross members can be efficiently improved and deformation can be suppressed.
  • the cross member is disposed at the rearmost of a plurality of cross members provided in the vehicle that connect the pair of side members, and the first member is arranged at least at the rearmost part of the cross members of the second member. It is preferable that the thickness is thinner than the portion adjacent to the first member. As a result, by reducing the thickness of the first member that extends rearward from the rearmost cross member, the weight of the side member is reduced, and the first member collapses in the event of a rear-end collision of the vehicle, making it easier to absorb the collision load. Can be done.
  • the first member is thinner than a portion of the outer member adjacent to the outer side of the first member in the vehicle width direction, and a portion of the first member is thinner than a portion of the outer member adjacent to the outer side of the first member in the vehicle width direction.
  • the outer member is formed wider in the vehicle width direction than the outer member adjacent to the outside.
  • the first member is configured such that the width in the vehicle width direction increases toward the rear of the vehicle.
  • the weight of the rear part of the side member can be further reduced, and the rear part of the side member can be more easily crushed in the event of a rear collision, thereby further improving shock absorption.
  • the width in the vehicle width direction of the rear end portion of the first member is the same as the width in the vehicle width direction of the rear end portion of the side member.
  • the side member further includes a reinforcement extending in the vehicle width direction and connecting inner walls on both sides in the vehicle width direction, and the reinforcement is provided at a connection portion between the side member and the cross member. It is recommended that the vehicle be placed at the front and rear positions of the vehicle. Thereby, the rigidity and strength of the connection portion between the side member and the cross member can be improved by reinforcement.
  • the part length of the inner member is shortened to reduce parts cost, and the cross member ensures the rigidity of the side member at the joint between the first member and the second member. be able to.
  • the joint between the first member and the second member is located in front of the center position of the longitudinal width of the cross member, the first A connecting portion between the member and the second member is arranged.
  • this connecting portion By firmly fixing this connecting portion, the rigidity of the entire frame including the side members and cross member can be efficiently improved and deformation can be suppressed.
  • FIG. 1 is a perspective view schematically showing the structure of a lower rear portion of a vehicle according to an embodiment of the present invention.
  • FIG. 1 is a perspective view showing a schematic structure of a chassis frame of a vehicle according to the present embodiment. It is a perspective view showing the structure of the attachment part of the cargo box in the rear part of the side member concerning this embodiment.
  • FIG. 3 is a perspective view showing a structure near a connecting portion between a left side member and a rearmost cross member according to the present embodiment.
  • FIG. 3 is a top view showing the structure near the connection portion between the left side member and the rearmost cross member according to the present embodiment.
  • FIG. 1 is a perspective view showing a schematic structure of a lower rear portion of a vehicle 1 according to an embodiment of the present invention.
  • FIG. 2 is a perspective view showing a schematic structure of the chassis frame 2 of the vehicle 1 according to the present embodiment.
  • FIG. 3 is a perspective view showing the structure of the mounting portion of the cargo box 4 at the rear of the side member according to the present embodiment.
  • a vehicle 1 according to an embodiment employing the frame structure of the present invention is a vehicle equipped with a cargo box 4 and a suspension device 8 using leaf springs 11, such as a pickup truck, for example.
  • the vehicle 1 includes a pair of side members 5 and 6 that extend in the longitudinal direction of the vehicle and are spaced apart from each other in the vehicle width direction. Further, the pair of side members 5 and 6 are connected by a plurality of cross members to form the chassis frame 2. The cross members extend in the vehicle width direction and are arranged at intervals in the vehicle longitudinal direction.
  • a cargo box 4 is placed on the chassis frame 2. The cargo box 4 is fixed to a mount bracket 3 fixed to the side members 5 and 6 with bolts and nuts (not shown).
  • a plurality of mount brackets 3 are provided on the outside of the side members 5 and 6 in the vehicle width direction and spaced apart from each other in the vehicle longitudinal direction.
  • the mount bracket 3 disposed at the rearmost position of the vehicle is provided near the rearmost cross member 10 at the longitudinal position of the vehicle.
  • the axle of the rear wheel 7 of the vehicle 1 is suspended by a suspension device 8 using a leaf spring 11.
  • the leaf springs 11 are arranged below the side members 5 and 6 so as to extend in the direction in which the side members 5 and 6 extend, that is, in the longitudinal direction of the vehicle.
  • the front end portion of the leaf spring 11 is rotatably supported in the vehicle vertical direction by the side members 5 and 6 via a front connecting shaft (not shown).
  • the rear end portion of the leaf spring 11 is rotatably supported by the side members 5 and 6 via a shackle 12 in the vertical direction of the vehicle.
  • the shackle 12 is supported by the side members 5 and 6 behind and near the cross member 10.
  • the shackle 12 is connected to the side members 5, 6 by a shackle pin 41 inserted into an insertion hole 13 extending in the vehicle width direction provided in the side wall of the side members 5, 6, and supported rotatably around the insertion hole 13. At the same time, the rear end portion of the leaf spring 11 is supported rotatably about an axis extending in the vehicle width direction.
  • the side members 5 and 6 are formed by abutting and welding both ends of an inner member 19 and an outer member 20, which are formed by bending a sheet metal member into a U-shape.
  • the side members 5 and 6 are hollow and have a box-shaped longitudinal section, and have an upper wall 21, a lower wall 22, an inner wall 23, and an outer wall 24.
  • the upper wall 21 and the lower wall 22 have a weld line 25 which is a butt portion between the inner member 19 and the outer member 20.
  • the cross member 10 has a hollow shape with a box-shaped cross section, and has an upper wall 26, a lower wall 27, a front wall 28, and a rear wall 29.
  • the end of the cross member 10 is abutted against an inner wall 23 of the side member on the inner side in the vehicle width direction and is fixed by welding.
  • the mount bracket 3 has a U-shaped upper and lower cross section, and has an upper wall 30 and two supporting side walls 31 and 32.
  • the mount bracket 3 is arranged such that the upper wall 30 and supporting side walls 31 and 32 extend perpendicularly from the outer walls 24 of the side members 5 and 6 in the vehicle width direction.
  • the upper wall 30 of the mount bracket 3 has approximately the same vertical height as the upper wall 21 of the side members 5 and 6, and is arranged to extend in the horizontal direction of the vehicle 1. They are arranged so that they are spaced apart from each other in the direction. Therefore, the opening of the mount bracket 3, which has a U-shaped cross section, is arranged so as to face downward.
  • outer flange portions 35 ends of the supporting side walls 31 and 32 of the mount bracket 3 on the side members 5 and 6 are bent vertically outward in the longitudinal direction of the vehicle to provide outer flange portions 35, respectively.
  • the outer flange portion 35 faces the outer wall 24 of the side member, and its outer peripheral portion is fixed to the outer wall 24 by welding.
  • the outer flange portion 35 of the mount bracket 3 has an outer end portion cut out in a substantially semicircular shape to form a cutout portion 36 .
  • a bolt hole 37 is provided in the upper wall 30 of the mount bracket 3, and a bolt hole 37 is provided in a strength member at the bottom of the packing box 4, or a bolt hole provided in a mount bracket fixed to the bottom of the packing box 4.
  • FIG. 4 and 5 show the structure near the connection between the side member 5 and the cross member 10 according to the embodiment of the present invention, with FIG. 4 being a perspective view and FIG. 5 being a top view. Note that FIG. 4 is a view of the connecting portion between the side member 5 on the left side in the vehicle width direction and the rearmost cross member 10, viewed from approximately the center in the vehicle width direction and from the rear.
  • the side member 5 is provided with a cylindrical portion 40 that connects the shackle 12 near the rear of the cross member 10.
  • the cylindrical part 40 is a cylindrical member, arranged so that its axis extends in the vehicle width direction and passes through the side member 5, and has an insertion hole 13 formed therein into which a circular rod-shaped shackle pin 41 is inserted.
  • the shackle 12 has a pair of plate members whose one end portions are arranged to sandwich the side member 5 from side to side, and the one end portion of the shackle 12 is rotatably supported by the side member 5 in the front-rear direction by a shackle pin 41. be done.
  • Both ends of the cylindrical portion 40 are respectively arranged so as to slightly protrude outward from the side walls (inner wall 23, outer wall 24) of the side member 5, and are fixed to the side wall of the side member 5 by, for example, welding. There is.
  • the inner end of the cylindrical portion 40 is provided with a reinforcing portion 45 that protrudes radially outward from the outer peripheral wall of the cylindrical portion 40 .
  • the reinforcing part 45 is a plate-like member having a hole into which the inner end of the cylindrical part 40 is inserted, and is fixed all around by welding to the outer peripheral surface of the inner end of the cylindrical part 40 . Further, the reinforcing portion 45 faces the inner wall 23 of the side member 5 and is fixed by welding. Therefore, one end portion of the cylindrical portion 40 is fixed to the side member 5 via the reinforcing portion 45.
  • the reinforcing portion 45 extends linearly toward the front of the vehicle along the inner surface of the side member 5 to a position close to the rear wall 29 of the cross member 10. Further, the supporting side wall 31 of the vehicle rearmost mount bracket 3 on the vehicle rear side is arranged at a vehicle longitudinal position between the rear wall 29 of the vehicle rearmost cross member 10 and the front end of the reinforcing portion 45. Note that the reinforcing portion 45 may extend toward the front of the vehicle until it comes into contact with the rear wall 29 of the cross member 10.
  • the rear wall 29 of the cross member 10, the front end of the reinforcing portion 45, and the support side wall 31 on the rear side of the vehicle of the mount bracket 3 at the rear of the vehicle may be arranged so that the longitudinal positions of the vehicle substantially coincide with each other or in the vicinity. .
  • the inner member 19 on the inside in the vehicle width direction of the side member 5 is located between the front wall 28 and the rear wall 29 of the cross member 10 and in a position forward of the center position in the longitudinal direction of the cross member 10, on the front side of the vehicle. It is divided into an inner member 19a (second member) and a rear inner member 19b (first member) on the rear side of the vehicle. The rear end of the front inner member 19a and the front end of the rear inner member 19b are joined by welding (joint portion 38). Furthermore, the rear inner member 19b is formed thinner than the front inner member 19a and the outer member 20.
  • the rear inner member 19b is located at a position rearward from the cylindrical portion 40, and its length in the vehicle width direction gradually increases linearly as it extends toward the rear of the vehicle.
  • the length in the vehicle width direction gradually decreases as it extends rearward.
  • the proportion occupied by the rear inner member 19b becomes larger than that of the outer member 20 as the side member 5 moves toward the rear of the vehicle from the cylindrical portion 40.
  • the outer member 20 has only an outer wall 24 without substantially having an upper wall 21 or a lower wall 22, and the width of the rear inner member 19b in the vehicle width direction is equal to the width of the side member 5 in the vehicle width direction. are almost the same.
  • the reinforcements 50 and 51 are rectangular thick plate members, and the entire circumference is welded and fixed to the inner wall of the side member 5. That is, the reinforcements 50 and 51 have the effect of supporting the inner wall of the side member 5 and improving the strength and rigidity of the side member 5.
  • the reinforcement 50 on the rear side of the vehicle is arranged at a longitudinal position of the vehicle between the rear wall 29 of the rearmost cross member 10 of the vehicle and the front end of the reinforcing portion 45.
  • the reinforcement 50 on the rear side of the vehicle is arranged at substantially the same position or in the vicinity of the rear wall 29 of the cross member 10, the front end of the reinforcing portion 45, and the support side wall 31 of the mount bracket 3 on the rear side of the vehicle. It's okay.
  • the reinforcement 51 on the front side of the vehicle is located slightly behind the front wall 28 of the cross member 10 and slightly forward of the joint 38 between the front inner member 19a and the rear inner member 19b.
  • the reinforcement 50 has a two-part structure including an inner reinforcement 50a fixed to the inner member 19 and an outer reinforcement 50b fixed to the outer member 20.
  • the inner reinforcement 51a is fixed to the inside of the inner member 19 by welding
  • the outer reinforcement 51b is fixed to the inside of the outer member 20 by welding.
  • the structure of the left side member 5 of the vehicle has been described, but the right side member 6 of the vehicle may also have a symmetrical and similar structure.
  • the side members 5 and 6 are constituted by an inner member 19 on the inside in the vehicle width direction and an outer member 20 on the outside in the vehicle width direction. Furthermore, the inner member 19 is formed by welding together parts that are divided in the longitudinal direction of the vehicle, such as a front inner member 19a on the front side of the vehicle and a rear inner member 19b on the rear side of the vehicle. Thereby, the component length of the inner member 19 can be shortened, so that the yield of components can be improved and component costs can be reduced.
  • the front inner member 19a and the rear inner member 19b are joined at a vehicle longitudinal position between the front wall 28 and the rear wall 29 of the cross member 10. Since the cross member 10 is connected to cover the joint 38 between the front inner member 19a and the rear inner member 19b, the strength and rigidity of the side members 5 and 6 can be ensured.
  • the inner member 19 is constructed by joining a rear inner member 19b on the rear side of the vehicle and a front inner member 19a on the front side of the vehicle, which is longer than the rear inner member 19b. Therefore, for example, due to the input from the rear tire that is loaded during off-road driving, the front periphery of the connecting portion between the side members 5, 6 and the cross member 10 has a structure that tends to undergo torsional deformation relative to the rear periphery. It becomes. According to this configuration, the width in the vehicle longitudinal direction of the cross member 10 is located at the front of the connection between the side members 5 and 6 and the cross member 10, where deformation is likely to occur, that is, near the rear tire, and where the contribution to torsional rigidity is high.
  • the rigidity of the entire chassis frame 2 including the side members 5, 6 and the cross member 10 can be increased by arranging the joint portion where the front inner member 19a and the rear inner member 19b are stacked in front of the center position. It is possible to improve efficiency and suppress deformation.
  • the cross member 10 at the longitudinal position where the front inner member 19a and the rear inner member 19b are joined is disposed at the rearmost of the plurality of cross members of the vehicle 1, the cross member 10 at the rearmost position
  • the thickness of the rear inner member 19b, which extends further to the rear, is thinner than that of the front inner member 19a. This makes it possible to reduce the weight of the inner member 19, and by extension the side members 5 and 6, and to make it easier to absorb the collision load by crushing the rear inner member 19b in the event of a rear collision of the vehicle.
  • the outer member 20 is thicker than the rear inner member 19b, the outer member 20 can ensure the required rigidity and strength while reducing the weight by using the thinner rear inner member 19b.
  • the width in the vehicle width direction of the rear inner member 19b is approximately the same as the width in the vehicle width direction of the outer member 20 at the connection position with the cross member 10, and the width in the vehicle width direction increases toward the rear end behind the cylindrical portion 40. It has become. Therefore, behind the cylindrical portion 40, the width in the vehicle width direction of the thin rear inner member 19b is equal to or larger than the width in the vehicle width direction of the outer member 20, and the side members 5 and 6 can be easily crushed. This makes it possible to improve shock absorption in the event of a rear collision.
  • the width of the rear inner member 19b in the vehicle width direction is approximately the same as the width of the side members 5, 6 in the vehicle width direction. can be further reduced in weight.
  • the width of the front inner member 19a in the vehicle width direction increases linearly rather than stepwise toward the rear ends of the side members 5 and 6, stress concentration in the side members 5 and 6 can be suppressed. can. Therefore, the rear end portions of the side members 5 and 6 are more likely to be crushed uniformly in the event of a rear collision, and the shock absorbability can be further improved.
  • two reinforcements 50 and 51 are provided in the side members 5 and 6 near the connection part of the cross member 10 at an interval in the longitudinal direction of the vehicle, so that the reinforcements 50 and 51 near the connection part with the cross member 10 are
  • the strength and rigidity of the side members 5 and 6 can be improved. Therefore, even if stress occurs in the connection portion of the side members 5, 6, deformation of the cross section of the side members 5, 6 can be suppressed. Thereby, the torsional rigidity of the side members 5 and 6 can be improved, and the maneuverability of the vehicle can be improved.
  • the reinforcement 51 on the front side of the vehicle is arranged near the joint part 38 between the front inner member 19a and the rear inner member 19b. Therefore, the strength and rigidity of the side members 5 and 6 near the joint 38 between the front inner member 19a and the rear inner member 19b can be improved.
  • the outer flange portion 35 of the mount bracket 3 has a substantially semicircular cutout at its outer end to form a cutout portion 36, so that the outer flange portion 35 and the outer wall 24 of the side member are fixed. It is possible to secure a long welding length for this purpose. Furthermore, by extending the upper part of the outer flange portion 35 on the rear side of the vehicle closer to the cylindrical portion 40, the distance between the support portion of the leaf spring 11 and the mount bracket 3 is shortened, and the rigidity near the cylindrical portion 40 is reduced. can be improved.
  • the present invention is not limited to the embodiments described above.
  • the rear inner member 19b is thinner than the front inner member 19a and the outer member 20, but it may be made thinner in only a portion.
  • the joint portion 38 between the front inner member 19a and the rear inner member 19b is arranged at the connection portion between the cross member 10 and the side members 5 and 6 at the rearmost portion of the vehicle.
  • the joint between the front inner member 19a and the rear inner member 19b may be arranged at the joint between the front inner member 19a and the rear inner member 19b.
  • the detailed structures of the side members 5, 6, cross member 10, etc. may be changed as appropriate.
  • the present invention can also be widely applied to vehicles having a chassis frame configured by connecting a pair of side members with a cross member.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
PCT/JP2022/013906 2022-03-24 2022-03-24 車両のフレーム構造 WO2023181248A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2022/013906 WO2023181248A1 (ja) 2022-03-24 2022-03-24 車両のフレーム構造
JP2024509571A JP7730093B2 (ja) 2022-03-24 2022-03-24 車両のフレーム構造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/013906 WO2023181248A1 (ja) 2022-03-24 2022-03-24 車両のフレーム構造

Publications (1)

Publication Number Publication Date
WO2023181248A1 true WO2023181248A1 (ja) 2023-09-28

Family

ID=88100654

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2022/013906 WO2023181248A1 (ja) 2022-03-24 2022-03-24 車両のフレーム構造

Country Status (2)

Country Link
JP (1) JP7730093B2 (enrdf_load_stackoverflow)
WO (1) WO2023181248A1 (enrdf_load_stackoverflow)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6076477A (ja) * 1983-10-03 1985-04-30 Nissan Motor Co Ltd 車体フレ−ム構造
JP2005132200A (ja) * 2003-10-30 2005-05-26 Toyota Motor Corp 車体フレーム構造
JP2005271702A (ja) * 2004-03-24 2005-10-06 Press Kogyo Co Ltd 車体フレーム用サイドレール及びその製造方法
JP2015136959A (ja) * 2014-01-20 2015-07-30 トヨタ自動車株式会社 車両フレーム骨格構造
JP2021054273A (ja) * 2019-09-30 2021-04-08 いすゞ自動車株式会社 フレーム構造

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6076477A (ja) * 1983-10-03 1985-04-30 Nissan Motor Co Ltd 車体フレ−ム構造
JP2005132200A (ja) * 2003-10-30 2005-05-26 Toyota Motor Corp 車体フレーム構造
JP2005271702A (ja) * 2004-03-24 2005-10-06 Press Kogyo Co Ltd 車体フレーム用サイドレール及びその製造方法
JP2015136959A (ja) * 2014-01-20 2015-07-30 トヨタ自動車株式会社 車両フレーム骨格構造
JP2021054273A (ja) * 2019-09-30 2021-04-08 いすゞ自動車株式会社 フレーム構造

Also Published As

Publication number Publication date
JP7730093B2 (ja) 2025-08-27
JPWO2023181248A1 (enrdf_load_stackoverflow) 2023-09-28

Similar Documents

Publication Publication Date Title
KR100414573B1 (ko) 차량 액슬/현가 조립체 및 그것을 조립하는 방법
US6511096B1 (en) Subframe for a motor vehicle
CN104203724B (zh) 汽车的前副车架结构
JP5273730B2 (ja) サスペンション用サブフレーム
CN104968558B (zh) 车身前部构造
US7828330B2 (en) Vehicle front body structure
CN105799784B (zh) 车辆的副车架结构
JP3432578B2 (ja) 自動車のサブフレーム
CN105799783A (zh) 车辆的副车架结构
JP3487213B2 (ja) 車両のサブフレーム構造
JP4720147B2 (ja) 自動車用デファレンシャルマウント取付構造
JP7332061B2 (ja) 車両のフレーム構造
JP7730093B2 (ja) 車両のフレーム構造
KR20220023849A (ko) 초소형 전기자동차의 공용플렛폼
JP2025070305A (ja) 車体前部構造
WO2019207986A1 (ja) 車両
WO2019198751A1 (ja) 自動車の車体構造
JP7730094B2 (ja) 車両の下部構造
KR100280940B1 (ko) 자동차의 차체 하부 보강구조
JP2001294172A (ja) サスペンションフレーム構造
JP7038220B2 (ja) サブフレーム構造
CN116096618A (zh) 副车架
JP2000072032A (ja) 車両用フロントメンバ
WO2022209254A1 (ja) 車両構造
JP6204159B2 (ja) 車体後部構造

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22933389

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2024509571

Country of ref document: JP

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 2401006186

Country of ref document: TH

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 22933389

Country of ref document: EP

Kind code of ref document: A1