CN206358221U - A kind of Varying-thickness automobile front longitudinal beam rear end reinforcement structure - Google Patents
A kind of Varying-thickness automobile front longitudinal beam rear end reinforcement structure Download PDFInfo
- Publication number
- CN206358221U CN206358221U CN201621292025.4U CN201621292025U CN206358221U CN 206358221 U CN206358221 U CN 206358221U CN 201621292025 U CN201621292025 U CN 201621292025U CN 206358221 U CN206358221 U CN 206358221U
- Authority
- CN
- China
- Prior art keywords
- rear end
- section
- thickness
- longitudinal beam
- front longitudinal
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 230000002787 reinforcement Effects 0.000 title claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 73
- 239000002184 metal Substances 0.000 claims abstract description 8
- 230000007704 transition Effects 0.000 claims description 31
- 238000003466 welding Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000003351 stiffener Substances 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 230000009545 invasion Effects 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Body Structure For Vehicles (AREA)
Abstract
The utility model discloses a kind of Varying-thickness automobile front longitudinal beam rear end reinforcement structure, including front longitudinal rear end body and front longitudinal rear end body reinforcing plate, by being welded together；Front longitudinal rear end body is hat-shaped structure, and front longitudinal body rear end reinforcing plate is U-shaped structure；Front longitudinal rear end body is metal thin-wall structure, successively including changeover portion and body back segment after changeover portion, body stage casing, body before body leading portion, body；Body front and rear sections, the thickness in stage casing are equal thickness, and the thickness of body front and rear sections is small compared with the thickness in body stage casing；The thickness of the forward and backward changeover portion of body is continuous variable thickness；Front longitudinal rear end body stiffener is metal thin-wall structure, successively including changeover portion and reinforcer back segment after changeover portion, reinforcer stage casing, reinforcer before reinforcer leading portion, reinforcer；Reinforcer leading portion, back segment, the thickness in stage casing are equal thickness, and the thickness of reinforcer front and rear sections is small compared with the thickness in reinforcer stage casing；The thickness of the forward and backward changeover portion of reinforcer is continuous variable thickness.
Description
Technical Field
The utility model belongs to automobile parts, in particular to change thickness automobile front longitudinal back end additional strengthening.
Background
When the automobile is in a frontal collision or an offset collision, the front longitudinal beam assembly has very important influence on the collision safety of the automobile. In addition to absorbing energy by a structure such as a crash box at the front end of an engine compartment and the front end of a front side member, the collision safety of an automobile requires a structure extending from the rear end of the front side member under a cowl to resist deformation and reduce the amount of intrusion of the cowl. Therefore, the study of the front side member rear end reinforcing structure is important for the safety of collision of the automobile.
Generally, the front-side member rear-end structure can effectively transmit the collision force transmitted from the front-side member front end to the front wall panel and the rear wall assembly, and it is required that the front-side member rear end itself cannot be largely deformed while transmitting the collision force, so as to prevent the front wall panel from largely intruding. Therefore, the front side member rear end itself needs to have excellent bending resistance.
With the development of the automobile industry, the requirements of the automobile industry on the safety and the light weight of the automobile have become the current key point, and the front longitudinal beam rear end structure of the automobile is an important component of an automobile body, so that the realization of the light weight of the front longitudinal beam rear end structure of the automobile is a great challenge on the premise of ensuring the safety of automobile collision.
At present, the rear end structure of the front longitudinal beam of the automobile is processed into a front longitudinal beam rear end structure with front and rear different sections by adopting a plate material with constant thickness, a plurality of cavities are formed by a front longitudinal beam rear end body and a reinforcing plate inside the front longitudinal beam rear end body, and the structural rigidity of the rear part of the front longitudinal beam is enhanced, so that the purpose of reducing the impact force in the collision process is achieved, and the invasion of a front wall plate is effectively reduced. The structure in the form does not reach the optimal material utilization in the aspect of mechanics, the reasonable utilization of materials cannot be realized, and the optimal light weight effect of the structure is achieved by adopting the variable thickness distribution structure through the front longitudinal beam structure in the scheme.
The rear structure of the automobile front longitudinal beam disclosed by the Chinese patent publication No. 202320502U adopts a plurality of structures such as front longitudinal beam bodies, a body reinforcing plate, an upper cover plate reinforcing plate and the like, and a plurality of cavity structures are formed through the structures, so that the rigidity of the rear mounting points of the front longitudinal beam and the auxiliary frame is enhanced, the intrusion amount of a front baffle is reduced, and the safety of passengers is protected.
Chinese patent publication No. 203402259U discloses a front longitudinal rear portion reinforcing structure and car, is through setting up a first crossbeam between the root of left and right front longitudinal for first crossbeam is located the impact transmission area, can effectively resist and disperse the impact, reduces the dash board invasion volume.
The Chinese patent publication No. 203739992U discloses a front longitudinal beam rear structure of an automobile, which adopts an L-shaped outer plate body and an inner plate body, and forms the front longitudinal beam rear structure body of a U-shaped structure through welding, and a U-shaped inner reinforcing plate is arranged in the rear structure body. By reasonably designing the geometric structure of the automobile front longitudinal beam, the welding spot structure is optimized, and the stress concentration phenomenon of the bent part of the rear structure of the automobile front longitudinal beam is effectively eliminated.
The front longitudinal beam rear end structures disclosed above are all welded together by adopting a plurality of equal-thickness structures, so that the number of the reinforced pieces is large, the processing technology is complex, and the additional processing cost is high.
Disclosure of Invention
An object of the utility model is to design a become thickness automobile front longitudinal back end structure, carry out local thickness through the crooked position stress concentration position to the front longitudinal rear end and increase, promote the anti bending deformation characteristic of front longitudinal rear end, reduce the front boarding invasion volume in front or the biasing collision. The front longitudinal beam rear end body and the reinforcing plate thereof are manufactured by the plate manufactured by the flexible rolling technology, so that the front longitudinal beam rear end structure can have different thickness distributions at different positions in the longitudinal direction of the automobile body, the requirement of automobile collision can be well met, the number of reinforcing parts is reduced, and the lightweight design is realized.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a variable-thickness rear end structure of an automobile front longitudinal beam comprises a front longitudinal beam rear end body and a front longitudinal beam rear end body reinforcing plate which are connected together by welding; the front longitudinal beam body is of a hat-shaped structure, and the reinforcing plate at the rear end of the front longitudinal beam body is of a U-shaped structure; the front longitudinal beam rear end body and the front longitudinal beam rear end body reinforcing plate adopt continuous variable-thickness steel plates with the thicknesses sequentially changed from front to back; the front longitudinal beam rear end body is of a metal thin-wall structure and sequentially comprises a body front section, a body front transition section, a body middle section, a body rear transition section and a body rear section; the thicknesses of the front section, the rear section and the middle section of the body are equal, and the thicknesses of the front section and the rear section of the body are smaller than that of the middle section of the body; the thickness of the front and rear transition sections of the body is continuously variable; the front longitudinal beam rear end body reinforcing part is of a metal thin-wall structure and sequentially comprises a reinforcing part front section, a reinforcing part front transition section, a reinforcing part middle section, a reinforcing part rear transition section and a reinforcing part rear section; the thicknesses of the front section, the rear section and the middle section of the reinforcing part are equal, and the thicknesses of the front section and the rear section of the reinforcing part are smaller than that of the middle section of the reinforcing part; the thickness of the front transition section and the rear transition section of the reinforcing piece is continuously variable.
Preferably, the thicknesses of the front section and the rear section of the front longitudinal beam rear end body are within the range of 0.8-2.0 mm; the thickness of the middle section of the body is within the range of 1.5-3.0 m.
Preferably, the thickness of the front section and the rear section of the front longitudinal beam rear end body reinforcing part is 1.0-2.5 mm, and the thickness of the reinforcing part middle section is 1.5-3.5 mm.
Preferably, the thickness variation gradient of the front and rear transition sections of the front longitudinal beam rear end body and the front longitudinal beam rear end body reinforcing piece is between 1:50 and 1:200, namely, the length of the front and rear transition sections is 50mm to 200mm when the thickness varies by 1 mm.
Preferably, the front end section of the front longitudinal beam rear end body is U-shaped, the height of the section is 20-30mm, and the maximum width of the section is 40-60 mm; the middle end section of the front longitudinal beam rear end body is in a hat shape, the height of the section is more than 40mm, and the maximum width of the section is 40-60 mm; the rear end of the rear end body of the front longitudinal beam is in a hat shape, the height of the section is 20-30mm, and the maximum width of the section is 50-70 mm; the height between the middle end and the front end of the front longitudinal beam rear end body is uniformly transited.
Preferably, the cross section of the front longitudinal beam rear end body reinforcing plate is U-shaped, the height of the cross section is 15-25mm, and the width of the cross section is matched with that of the front longitudinal beam rear end body.
Preferably, the longitudinal beam rear end body and the front longitudinal beam rear end body reinforcing plate are connected through spot welding.
In the front collision process of an automobile, bending stress of the rear end of a front longitudinal beam is mainly concentrated in the middle of the rear end of the front longitudinal beam, in order to meet the requirement of the front panel intrusion amount in the collision process, meanwhile, from the light weight perspective, the reduction of material thickness can be considered in the area where the stress is not concentrated, and the weight reduction is realized, so that the rigidity of the rear end structure of the front longitudinal beam can meet the characteristics of soft front section, hard middle section and soft rear end, and therefore, a front longitudinal beam rear end body and a front longitudinal beam rear end body reinforcing plate can be designed into a structure with a thin front part, a thick middle part and a thin rear part in the collision direction.
The utility model discloses front longitudinal back end body and front longitudinal back end body reinforcing plate adopt the continuous thickness change steel sheet that thickness changes from the front to the back in proper order.
The front longitudinal beam rear end body and the front longitudinal beam rear end body reinforcing plate can be designed into a structural form of three equal-thickness sections and two continuous thickness transition sections, namely two thickness transition sections are designed between the three equal-thickness sections.
Therefore, the front longitudinal beam rear end body and the front longitudinal beam rear end body reinforcing plate can realize the change of the bending strength of the front longitudinal beam rear end structure from weak to strong to weak in the front-to-rear direction due to the difference of the thicknesses in different areas.
The utility model discloses longeron structure is used for the automobile longitudinal back end, can reduce the deformation of preceding bounding wall, and the invasion roof beam of bounding wall before reducing increases longeron rear end structure and resists the ability of warping, reduces the injury of car head-on collision to passenger's shank.
The utility model has the advantages that:
the utility model discloses a thin wall thickness of front longitudinal back end structure is bodiness from the past rear portion to the middle part gradually, accords with the design requirement of front longitudinal back end to collision security nature, and the thickness increase of bending stress concentration position can effectively reduce the deflection in collision in-process, reduces the invasion volume of bounding wall before, realizes the lightweight design when promoting the security performance. Adopt simultaneously the utility model discloses a front longitudinal structure has adopted the thickness of change structural design, has realized the maximum utilization to the material, can reduce structure reinforcement quantity, reduces mould and welding cost.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic middle sectional view of an embodiment of the present invention.
Fig. 3 is a schematic structural view of the rear end body of the front longitudinal beam according to the embodiment of the present invention.
Fig. 4 is a schematic structural view of the rear end body reinforcing plate of the front longitudinal beam according to the embodiment of the present invention.
Fig. 5 is a schematic view of a local thickness according to an embodiment of the present invention.
Detailed Description
Referring to fig. 1 to 5, the variable thickness rear end structure of the front longitudinal beam of the automobile of the present invention includes a front longitudinal beam rear end body 1 and a front longitudinal beam rear end body reinforcing plate 2, which are connected together by welding; wherein,
the front longitudinal beam rear end body 1 is of a hat-shaped structure, and the front longitudinal beam body rear end reinforcing plate 2 is of a U-shaped structure;
the front longitudinal beam rear end body 1 and the front longitudinal beam rear end body reinforcing plate 2 are continuously variable-thickness steel plates with the thicknesses sequentially changed from front to back;
the front longitudinal beam rear end body 1 and the front longitudinal beam rear end body reinforcing plate 2 are designed into a structural form of three equal-thickness sections and two continuous thickness transition sections, namely two thickness transition sections are designed among the three equal-thickness sections;
the front longitudinal beam rear end body 1 is of a metal thin-wall structure and sequentially comprises a body front section 11, a body front transition section 12, a body middle section 13, a body rear transition section 14 and a body rear section 15; the thicknesses of the front section, the rear section and the middle section of the body are equal, and the thicknesses of the front section and the rear section of the body are smaller than that of the middle section of the body; the thickness of the front and rear transition sections of the body is continuously variable;
the front longitudinal beam rear end body reinforcing part 2 is of a metal thin-wall structure and sequentially comprises a reinforcing part front section 21, a reinforcing part front transition section 22, a reinforcing part middle section 23, a reinforcing part rear transition section 24 and a reinforcing part rear section 25; the thicknesses of the front section, the rear section and the middle section of the reinforcing part are equal, and the thicknesses of the front section and the rear section of the reinforcing part are smaller than that of the middle section of the reinforcing part; the thickness of the front transition section and the rear transition section of the reinforcing piece is continuously variable.
Preferably, the thicknesses of the front section of the front longitudinal beam rear end body 1 and the rear section of the body are within the range of 0.8-2.0 mm; the thickness of the middle section of the body is within the range of 1.5-3.0 m.
Preferably, the thicknesses of the front section and the rear section of the front longitudinal beam rear end body reinforcing part 2 are 1.0-2.5 mm, and the thickness of the reinforcing part middle section is 1.5-3.5 mm.
Preferably, the thickness variation gradient of the front and rear transition sections of the front longitudinal beam rear end body 1 and the front longitudinal beam rear end body reinforcement 2 is between 1:50 and 1:200, namely, the length of the front and rear transition sections is 50mm to 200mm when the thickness varies by 1 mm.
Preferably, the front section of the front longitudinal beam rear end body 1 is U-shaped, the height of the section is 20-30mm, and the maximum width of the section is 40-60 mm; the section of the middle section of the front longitudinal beam rear end body is in a hat shape, the height of the section is more than 40mm, and the maximum width of the section is 40-60 mm; the rear section of the rear end body of the front longitudinal beam is in a hat shape, the height of the section is 20-30mm, and the maximum width of the section is 50-70 mm; the height between the middle section of the front longitudinal beam rear section body and the front and rear sections is uniformly transited.
Preferably, the cross section of the front longitudinal beam rear end body reinforcing plate 2 is U-shaped, the height of the cross section is 15-25mm, and the width of the cross section is matched with that of the front longitudinal beam rear end body 1.
Fig. 1 shows the utility model discloses an example of longeron rear end structure before the car comprises longeron rear end body 1 and front longitudinal back end body reinforcing plate 2 before the car, and longeron rear end body 1 and front longitudinal back end body reinforcing plate 2 are connected through spot welding.
Fig. 2 is a schematic diagram showing a cross-section of a rear end structure of a front longitudinal beam of an example of the present invention. The front longitudinal beam rear end structure is composed of a front longitudinal beam rear end body 1 and a front longitudinal beam rear end body reinforcing plate 2, and the bending resistance of the front longitudinal beam rear end structure can be effectively improved.
For realizing the thickness change structure of this design, the utility model discloses a flexo rolling process method realizes, adopts the coil stock of thickness such as one promptly, obtains through flexo rolling production to have the continuous thickness change coil stock that different board is thick along rolling direction, obtains the sheet metal material that has the different thickness regions of design through the blanking, later through processes such as hot stamping or cold stamping, obtains the metalwork that has different thickness regions respectively. A schematic of the partial thickness of a longitudinal cut plane of the slab is shown in figure 5.
The utility model discloses automobile front longitudinal rear end body has different thickness in automobile body Y direction design, and this scheme carries out local bodiness through the stress concentration position at the crooked position in front longitudinal rear end, reaches the purpose that reduces the structure reinforcement, can overcome not enough in the above scheme well, when guaranteeing car collision security, realizes the lightweight and saves the combined cost, satisfies the demand of automobile technology development.
Automobile safety and light weight become important trends in automobile development. The variable-thickness rear end structure of the automobile front longitudinal beam is designed to have different thicknesses at different parts of the rear end of the front longitudinal beam and is made of a continuously variable-thickness plate material subjected to flexible rolling. The variable-thickness structure can not only well meet the requirement of the rear end of the front longitudinal beam on resisting collision bending, but also reduce the material usage to the maximum extent, and realize light-weight design on the premise of ensuring safety.
The utility model discloses a method that the variable thickness part design and the preparation were realized to the variable thickness board combination car design requirement can also continue to be used for in the design of other car key structure spare, like car floor crossbeam, threshold roof beam, B post etc..
Claims (10)
1. A variable-thickness rear end structure of an automobile front longitudinal beam is characterized by comprising a front longitudinal beam rear end body and a front longitudinal beam rear end body reinforcing plate which are connected together by welding; wherein,
the front longitudinal beam rear end body is of a hat-shaped structure, and the front longitudinal beam body rear end reinforcing plate is of a U-shaped structure;
the front longitudinal beam rear end body and the front longitudinal beam rear end body reinforcing plate adopt continuous variable-thickness steel plates with the thicknesses sequentially changed from front to back;
the front longitudinal beam rear end body is of a metal thin-wall structure and sequentially comprises a body front section, a body front transition section, a body middle section, a body rear transition section and a body rear section; the thicknesses of the front section, the rear section and the middle section of the body are equal, and the thicknesses of the front section and the rear section of the body are smaller than that of the middle section of the body; the thickness of the front and rear transition sections of the body is continuously variable;
the front longitudinal beam rear end body reinforcing part is of a metal thin-wall structure and sequentially comprises a reinforcing part front section, a reinforcing part front transition section, a reinforcing part middle section, a reinforcing part rear transition section and a reinforcing part rear section; the thicknesses of the front section, the rear section and the middle section of the reinforcing part are equal, and the thicknesses of the front section and the rear section of the reinforcing part are smaller than that of the middle section of the reinforcing part; the thickness of the front transition section and the rear transition section of the reinforcing piece is continuously variable.
2. The variable thickness automobile front longitudinal beam rear end structure of claim 1, wherein the thickness of the front longitudinal beam rear end body front section and the body rear section is within the range of 0.8-2.0 mm; the thickness of the middle section of the body is within the range of 1.5-3.0 m.
3. The variable thickness rear end structure of an automobile front side member according to claim 1, wherein the front and rear sections of the front side member rear end body reinforcement have a thickness of 1.0 to 2.5mm, and the middle section of the reinforcement has a thickness of 1.5 to 3.5 mm.
4. A variable thickness automobile front longitudinal beam rear end structure as claimed in claim 1, 2 or 3, wherein the front and rear transition section thickness variation gradient of the front longitudinal beam rear end body and the front longitudinal beam rear end body reinforcing member is between 1:50 and 1:200, namely, the front and rear transition section length is respectively 50mm to 200mm for every 1mm of thickness variation.
5. The variable thickness automobile front longitudinal beam rear end structure according to claim 1 or 2, wherein the front end section of the front longitudinal beam rear end body is U-shaped, the section height is 20-30mm, and the section maximum width is 40-60 mm; the middle end section of the front longitudinal beam rear end body is in a hat shape, the height of the section is more than 40mm, and the maximum width of the section is 40-60 mm; the rear end of the rear end body of the front longitudinal beam is in a hat shape, the height of the section is 20-30mm, and the maximum width of the section is 50-70 mm; the height between the middle end and the front end of the front longitudinal beam rear end body is uniformly transited.
6. A variable thickness automobile front longitudinal member rear end structure as claimed in claim 1 or 3, wherein said front longitudinal member rear end body reinforcing plate has a U-shaped cross-section, a cross-sectional height of 15-25mm, and a cross-sectional width matching with the front longitudinal member rear end body.
7. A variable thickness automobile front side member rear end structure as claimed in claim 1, 2 or 3, wherein said side member rear end body and front side member rear end body reinforcing plate are joined by spot welding.
8. A variable thickness automobile front side member rear end structure as claimed in claim 4, wherein said member rear end body and front side member rear end body reinforcing plate are joined by spot welding.
9. A variable thickness automobile front side member rear end structure as claimed in claim 5, wherein said member rear end body and front side member rear end body reinforcing plate are joined by spot welding.
10. A variable thickness automobile front side member rear end structure according to claim 6, wherein the side member rear end body and the front side member rear end body reinforcing plate are joined by spot welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621292025.4U CN206358221U (en) | 2016-11-29 | 2016-11-29 | A kind of Varying-thickness automobile front longitudinal beam rear end reinforcement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621292025.4U CN206358221U (en) | 2016-11-29 | 2016-11-29 | A kind of Varying-thickness automobile front longitudinal beam rear end reinforcement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206358221U true CN206358221U (en) | 2017-07-28 |
Family
ID=59371621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621292025.4U Active CN206358221U (en) | 2016-11-29 | 2016-11-29 | A kind of Varying-thickness automobile front longitudinal beam rear end reinforcement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206358221U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107628115A (en) * | 2017-09-20 | 2018-01-26 | 江苏大学 | A kind of automobile Varying-thickness, variable cross-section front rail structure for customizing functions |
| CN112714736A (en) * | 2018-11-13 | 2021-04-27 | 宝马股份公司 | Front wall module |
-
2016
- 2016-11-29 CN CN201621292025.4U patent/CN206358221U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107628115A (en) * | 2017-09-20 | 2018-01-26 | 江苏大学 | A kind of automobile Varying-thickness, variable cross-section front rail structure for customizing functions |
| CN107628115B (en) * | 2017-09-20 | 2023-09-22 | 江苏大学 | A vehicle front and longitudinal beam structure with variable thickness and variable cross-section for functional customization |
| CN112714736A (en) * | 2018-11-13 | 2021-04-27 | 宝马股份公司 | Front wall module |
| US11904944B2 (en) | 2018-11-13 | 2024-02-20 | Bayerische Motoren Werke Aktiengesellschaft | Front wall module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10618562B2 (en) | Vehicle front portion structure | |
| EP2420432B1 (en) | Side vehicle body structure | |
| CN107074292B (en) | Method for producing a three-dimensional vehicle door frame interior reinforcement element, method for producing a vehicle door frame, and method for producing a vehicle reinforcement structure | |
| JP4286884B2 (en) | Auto body structure | |
| EP2799314B1 (en) | Body structure, in particular floor structure, for a motor vehicle | |
| US9630656B2 (en) | Vehicle body structure | |
| US20120256445A1 (en) | Vehicle roof support pillar | |
| CN103906676A (en) | One-piece sheet metal component for vehicle | |
| CN107074300A (en) | Vehicle underbody structure and vehicle body | |
| JP2009006903A (en) | Vehicle body structure for automobile | |
| CN108495777A (en) | Front part structure of vehicle | |
| CN106608283A (en) | Vehicle body structure | |
| KR20120138785A (en) | Vehicle component | |
| WO2020085381A1 (en) | Automobile frame member and electric vehicle | |
| CN104925009A (en) | Variable-thickness automobile front bumper and manufacturing method thereof | |
| CN114987627B (en) | Electric automobile front floor structure and electric automobile comprising same | |
| JP2011218979A (en) | Roof side structure of vehicle body | |
| CN206358221U (en) | A kind of Varying-thickness automobile front longitudinal beam rear end reinforcement structure | |
| CN101695938B (en) | Automotive body center post with strengthening structure | |
| JP2017200795A (en) | Vehicle body side part structure | |
| CN208411873U (en) | Automobile and its A column assembly and vehicle body | |
| CN217864004U (en) | Anticollision roof beam and vehicle that has it | |
| EP4230508A1 (en) | Vehicle body lower structure of automobile | |
| JP5878419B2 (en) | Car body door opening structure | |
| CN114572312A (en) | Split type front longitudinal beam assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |