CN114655314B - Car B post reinforcement structure - Google Patents
Car B post reinforcement structure Download PDFInfo
- Publication number
- CN114655314B CN114655314B CN202210461272.6A CN202210461272A CN114655314B CN 114655314 B CN114655314 B CN 114655314B CN 202210461272 A CN202210461272 A CN 202210461272A CN 114655314 B CN114655314 B CN 114655314B
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 103
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims description 15
- 238000001962 electrophoresis Methods 0.000 claims description 10
- 238000009966 trimming Methods 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 abstract description 6
- 238000005192 partition Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 239000003351 stiffener Substances 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000003856 thermoforming Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/04—Door pillars ; windshield pillars
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to an automobile B-pillar reinforcement structure, which comprises a B-pillar upper reinforcement, a B-pillar lower reinforcement and a B-pillar reinforcement support; the partition line A of the B column upper reinforcing piece and the B column lower reinforcing piece is formed by connecting a first inclined section, a first vertical section, a second inclined section, a first straight section, a second vertical section and a second straight section; the first inclined section, the first vertical section, the second vertical section and the second vertical section on the lower edge of the B column upper reinforcing piece are connected with the upper edge of the B column lower reinforcing piece into a whole through welding; the reinforcing piece on the B column is formed by adopting a steel plate with the tensile strength of more than or equal to 1400MPa and the material thickness of 1.4 mm; the lower reinforcing piece of the B column is formed by adopting a steel plate with the tensile strength of more than or equal to 340MPa and the material thickness of more than or equal to 1.5mm in a cold mode; the B-pillar reinforcement support is composed of a support inner panel and a support outer panel. The method can avoid serious deformation and sheet metal tearing when the side collision regulation is guaranteed, and can meet the technological requirements.
Description
Technical Field
The invention relates to an automobile body, in particular to an automobile B-pillar reinforcement structure.
Background
In an increasingly competitive market environment, vehicles are required to meet not only national standards, C-NCAP, but also the requirements of the middle-level security regulations in order to improve the product competitiveness. The lower reinforcing part of the column B of the conventional vehicle type can only meet the national standard, C-NCAP and other legal requirements, but cannot meet the middle-level security and research legal requirements. In conventional vehicle model designs, the B-pillar region needs to be not only satisfactory for process manufacturing, but also strong enough to resist deformation caused by a vehicle collision.
To meet national standard, C-NCAP regulatory requirements, the B-pillar region common practice is described in FIG. 1: the existing B upright post reinforcement assembly consists of an original B upright post reinforcement 1, an original B upright post reinforcement support 2 and an original hinge reinforcement 3, and reinforcing rib structures are arranged on two sides of the original B upright post reinforcement support 2. Wherein: the original B upright post reinforcement 1 is made of a hot forming material with the tensile strength being more than or equal to 1400MPa and the material thickness being 1.4mm, the original B upright post reinforcement support 2 is made of a cold forming material with the tensile strength being more than or equal to 340MPa and the material thickness being 1.5mm, and the original hinge reinforcement 3 is made of a cold forming material with the tensile strength being more than or equal to 340MPa and the material thickness being 2 mm. The design scheme has the following defects: under the working condition of the middle protection law, after the side collision occurs, the original B upright post reinforcement assembly is seriously deformed, and a sheet metal tearing phenomenon exists near the original hinge reinforcement 3, so that the safety of passengers is influenced. Accordingly, improvements to existing B-pillar stiffener assemblies are needed.
CN 206374825U discloses a "welding assembly for a left B pillar reinforcement of an automobile", comprising a left B pillar reinforcement body, a left B pillar lower hinge reinforcement, a left B pillar upper hinge reinforcement, a left front door latch reinforcement nut plate, and a weld nut; the left side B upright post reinforcement body is vertically provided with a groove, and the left side B upright post lower hinge reinforcement and the left side B upright post upper hinge reinforcement are both arranged in the groove; the left side B stand column reinforcement body lower part is equipped with three door guard plate buckle installation via holes in same level, and left side B stand column upper hinge reinforcement upper portion surface is provided with the vice reinforcement of left side B stand column, welded connection between vice reinforcement of left side B stand column and the hinge reinforcement on the left side B stand column. The welding assembly for the B stand column reinforcement on the left side of the automobile can be light under the premise of ensuring rigidity and strength.
CN 202716939U discloses "an automobile B-pillar reinforcement plate structure and a vehicle", wherein the B-pillar reinforcement plate structure comprises: the B-pillar reinforcing outer panel includes an upper section portion and a lower section portion, and the thickness of the upper section portion is greater than the thickness of the lower section portion. Which can improve the safety of a side collision of an automobile and reduce the weight of the automobile body.
CN 210852648U, disclose "a B post reinforcement and B post reinforced structure", B post reinforcement includes female balcony structure and locates respectively the lateral part inclined wall of yin yang platform structure both sides, yin yang platform structure with lateral part inclined wall is side by side along the length direction of B post reinforcement extends, yin yang platform structure includes from last first kink and the second kink that connect gradually down, first kink is protruding inwards, the second kink is protruding outwards, the bottom surface of first kink with the bottom surface of second kink links to each other and constitutes middle part inclined wall. The bending resistance of the B column is increased through the B column reinforcement in the form of a balcony structure, the deformation of the passenger cabin is reduced, and the safety and riding comfort of the passenger cabin are improved; the material grade and the material thickness of the reinforcing part and the peripheral parts can be reduced, the light weight effect of the vehicle body is improved, and the manufacturing cost of the whole vehicle is saved.
The technical solutions disclosed in the above patent documents are, of course, all beneficial attempts made in the technical field.
Disclosure of Invention
The invention aims to provide an automobile B-pillar reinforcement structure, which can avoid serious deformation and sheet metal tearing when a vehicle passes through a protection side collision rule, can meet the process requirements and ensures the assembly function.
The invention relates to an automobile B-pillar reinforcement structure, which comprises a B-pillar upper reinforcement, a B-pillar lower reinforcement and a B-pillar reinforcement support, and is characterized in that: the upper reinforcing piece of the B column and the lower reinforcing piece of the B column are formed by dividing the original B column reinforcing piece into blocks, and a dividing line A is formed by connecting a first inclined section, a first vertical section, a second inclined section, a first straight section, a second vertical section and a second straight section; the first inclined section, the first vertical section, the second vertical section and the second vertical section on the lower edge of the B column upper reinforcing piece are connected with the upper edge of the B column lower reinforcing piece into a whole through welding; the reinforcing piece on the B column is formed by adopting a steel plate with the tensile strength of more than or equal to 1400MPa and the material thickness of 1.4 mm; the lower reinforcing piece of the B column is formed by adopting a steel plate with the tensile strength of more than or equal to 340MPa and the material thickness of more than or equal to 1.5mm in a cold mode; the B-pillar reinforcement support consists of a support inner plate and a support outer plate; the lower edge of the support inner plate is provided with a trimming line B, the support outer plate is completely attached to the support inner plate above the trimming line B, and the rest part of the support outer plate is below the trimming line B.
Further, the left side edge of supporting the inner panel is equipped with left side strengthening rib, right side edge are equipped with right side strengthening rib, the left side edge and the right side edge of supporting the inner panel respectively with the B post on the reinforcement about lateral wall fixed connection, the upper portion of the left side edge and the right side edge of supporting the planking also with the left and right lateral wall fixed connection of the B post on the reinforcement respectively, the claw structure that the lower part of supporting the planking had, this claw structure passes the second slope section and the first straight section of piecemeal line A and the upper portion fixed connection of the B post lower reinforcement.
Further, the supporting inner plate is formed by hot forming a steel plate with the tensile strength of more than or equal to 1400MPa and the material thickness of 2.0mm, and the supporting outer plate is formed by hot forming a steel plate with the tensile strength of more than or equal to 1400MPa and the material thickness of 1.4 mm; the support inner plate and the support outer plate of the B-pillar reinforcement support piece are bonded through a thermoforming patch plate forming process.
Further, the lower parts of the left side edge and the right side edge of the support outer plate are respectively overlapped with the left side face and the right side face of the lower reinforcing piece of the B stand column and are connected through welding spots.
Further, the first straight section of the parting line A of the B-pillar upper reinforcement and the B-pillar lower reinforcement is lowest, and the distance L between the first straight section and the ground plane is 400-500 mm.
Further, a first mounting positioning hole, four hinge mounting holes, a wire harness mounting hole, three welding gun through holes and a first electrophoresis process hole are formed in the B column upper reinforcing piece.
Further, a second mounting positioning hole, eight expansion glue holes and four second electrophoresis process holes are formed in the lower reinforcing piece of the B column.
Compared with the prior art, the invention has the following advantages:
(1) The B upright post reinforcing piece is split into two pieces, namely an upper B upright post reinforcing piece and a lower B upright post reinforcing piece; the upper reinforcing piece of the B upright post is formed by hot forming of a steel plate with the tensile strength of more than or equal to 1400MPa and the material thickness of more than or equal to 1.4mm, and the lower reinforcing piece of the B upright post is formed by cold forming of a steel plate with the material tensile strength of more than or equal to 340MPa and the material thickness of more than or equal to 1.5mm, so that the upper part of the structure of the reinforcing piece of the B upright post of the automobile is ensured to have enough strength, the deformation caused by side collision can be reduced, and the living space of passengers is ensured; meanwhile, the lower part of the automobile B column reinforcement structure is guaranteed to have enough plastic deformation capacity and proper strength, and the energy generated by side collision can be absorbed, so that the sheet metal tearing is avoided.
(2) The support piece of the B column reinforcement is enlarged and changed into the support piece of the B column reinforcement which is formed by supporting an inner plate and a supporting outer plate, and a hot forming patch plate with the tensile strength of 1400MPa or more and the material thickness of 1.4mm+2.0mm is adopted to be matched and connected with the B column reinforcement, so that the upper structure of the automobile B column reinforcement structure is formed, and the functions of assisting the B column reinforcement in resisting deformation caused by side collision and guaranteeing the living space of passengers are achieved.
(3) The invention overcomes the defects of serious deformation, sheet metal tearing and the like when the vehicle passes through the protection of the side collision rule, and achieves the purpose of protecting the side collision rule when the vehicle passes through the protection of the side collision rule.
Drawings
FIG. 1 is a perspective view of a prior art B-pillar stiffener assembly.
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a rear view of FIG. 2;
FIG. 4 is an enlarged view of the lower structure of FIG. 3;
Fig. 5 is a schematic structural view of the B-pillar reinforcement support of the present invention.
FIG. 6 is a schematic illustration of the connection of the B-pillar reinforcement support of the present invention to a B-pillar upper reinforcement;
FIG. 7 is an enlarged view of the lower structure of the present invention;
FIG. 8 is a rear view of FIG. 7;
FIG. 9 is a section A-A of FIG. 8;
FIG. 10 is a section B-B of FIG. 8;
FIG. 11 is a section C-C of FIG. 8;
FIG. 12 is a section D-D of FIG. 8;
FIG. 13 is a section E-E of FIG. 8;
FIG. 14 is a section F-F of FIG. 8;
FIG. 15 is a section G-G of FIG. 8;
FIG. 16 is a section H-H of FIG. 8;
Fig. 17 is a schematic view of the structure of the present invention.
In the figure (technical features indicated by the marks):
1-original B upright post reinforcement, 2-original B upright post reinforcement support, 3-original hinge reinforcement;
4-B column reinforcement, 41-first inclined section, 42-first vertical section, 43-second inclined section, 44-first straight section, 45-second vertical section, 46-second straight section;
401-a first mounting positioning hole, 402-a hinge mounting hole, 403-a wire harness mounting hole, 404-a welding gun via hole, 405-a first electrophoresis process hole;
5-B column stiffener support;
6-B column lower reinforcement, 62-left side, 63-right side;
601-a second mounting positioning hole, 602-an expansion glue hole, 603-a second electrophoresis process hole;
7, supporting an inner plate, 72, left reinforcing ribs and 73, right reinforcing ribs;
8-support outer plate, 81-claw structure, 82-left side, 83-and right side.
Detailed Description
The technical scheme of the invention is described in detail below with reference to the accompanying drawings.
Referring to fig. 2 to 17, there is shown an automotive B-pillar reinforcement structure including a B-pillar upper reinforcement 4, a B-pillar lower reinforcement 6, and a B-pillar reinforcement support 5, characterized in that: the B column upper reinforcement 4 and the B column lower reinforcement 6 are formed by dividing the original B column reinforcement 1 into blocks, and a dividing line A is formed by connecting a first inclined section 41, a first vertical section 42, a second inclined section 43, a first straight section 44, a second vertical section 45 and a second straight section 46; the first inclined section 41, the first vertical section 42, the second vertical section 45 and the second vertical section 46 at the lower edge of the B-pillar upper reinforcement 4 are connected with the upper edge of the B-pillar lower reinforcement 6 into a whole through welding; the reinforcing piece 4 on the B column is formed by adopting a steel plate with tensile strength being more than or equal to 1400MPa and material thickness being 1.4mm, so that the upper part of the reinforcing piece structure of the B column of the automobile is ensured to have enough strength, the deformation caused by side collision is reduced, and the living space of passengers is ensured; the lower reinforcing piece 6 of the B column is formed by adopting a steel plate with the tensile strength of more than or equal to 340MPa and the material thickness of more than or equal to 1.5mm in a cold mode, so that the lower part of the reinforcing piece structure of the B column of the automobile is guaranteed to have enough plastic deformation capacity and proper strength, energy generated by side collision can be absorbed, and sheet metal tearing is avoided; the B-pillar reinforcement support 5 is composed of a support inner plate 7 and a support outer plate 8; the lower edge of the support inner plate 7 is provided with a trimming line B, the support outer plate 8 is completely attached to the support inner plate 7 above the trimming line B, and the rest of the support outer plate 8 is below the trimming line B.
The left side edge of the support inner plate 7 is provided with a left side reinforcing rib 72, the right side edge of the support inner plate 7 is provided with a right side reinforcing rib 73, the left side edge and the right side edge of the support inner plate 7 are respectively and fixedly connected with the left side wall and the right side wall of the reinforcing piece 4 on the B column, the upper parts of the left side edge 82 and the right side edge 83 of the support outer plate 8 are also fixedly connected with the left side wall and the right side wall of the reinforcing piece 4 on the B column respectively, the lower part of the support outer plate 8 is provided with a claw-shaped structure 81, and the claw-shaped structure penetrates through the second inclined section 43 and the first straight section 44 of the partition line A to be fixedly connected with the upper part of the lower reinforcing piece 6 of the B column; therefore, an upper structure of the automobile B column reinforcement structure is formed, and the function of assisting the B column reinforcement in resisting deformation caused by side collision and guaranteeing the survival space of passengers is achieved.
The supporting inner plate 7 is formed by hot forming a steel plate with the tensile strength of more than or equal to 1400MPa and the material thickness of 2.0mm, and the supporting outer plate 8 is formed by hot forming a steel plate with the tensile strength of more than or equal to 1400MPa and the material thickness of 1.4 mm; the supporting inner plate 7 and the supporting outer plate 8 of the B-pillar reinforcement support 5 are bonded by a thermoforming patch plate forming process; to avoid that the upper and lower structures of the B-pillar reinforcement structure are disconnected, or torn open, by excessive deformation of the area in the event of a side impact.
The lower portions of the left side 82 and the right side 83 of the support outer panel 8 overlap and are welded to the left side 62 and the right side 63 of the B pillar lower reinforcement 6, respectively.
The first straight section 44 of the parting line a of the B-pillar upper reinforcement 4 and the B-pillar lower reinforcement 6 is lowest, and the distance L of the first straight section 44 from the ground plane is between 400mm and 500 mm.
The B-pillar stiffener 4 is provided with a first mounting positioning hole 401, four hinge mounting holes 402, a harness mounting hole 403, three gun pass holes 404 and a first electrophoresis process hole 405.
A second mounting positioning hole 601, eight expansion glue holes 602 and four second electrophoresis process holes 603 are arranged on the B column lower reinforcement 6.
Because the reinforcing piece on the B column is provided with the first installation positioning hole, the hinge installation hole, the wire harness installation hole, the three welding gun through holes and the first electrophoresis process hole, and the reinforcing piece under the B column is provided with the second installation positioning hole, the expansion glue hole and the second electrophoresis process hole, the assembly requirements of the assembly parts such as the hinge and the like are met while the punching, welding and coating process requirements are met.
Claims (6)
1. The utility model provides an automobile B post reinforcement structure, includes B post upper reinforcement (4), B post lower reinforcement (6) and B post reinforcement support piece (5), characterized by: the B column upper reinforcement (4) and the B column lower reinforcement (6) are formed by dividing an original B column reinforcement (1), and a dividing line A is formed by connecting a first inclined section (41), a first vertical section (42), a second inclined section (43), a first straight section (44), a second vertical section (45) and a second straight section (46); the first inclined section (41), the first vertical section (42), the second vertical section (45) and the second vertical section (46) at the lower edge of the B column upper reinforcement (4) are connected with the upper edge of the B column lower reinforcement (6) into a whole through welding; the reinforcing piece (4) on the B column is formed by adopting a steel plate with the tensile strength of more than or equal to 1400MPa and the material thickness of 1.4 mm; the lower reinforcing piece (6) of the B column is formed by adopting a steel plate with the tensile strength of more than or equal to 340MPa and the material thickness of more than or equal to 1.5mm in a cold mode; the B-pillar reinforcement support (5) is composed of a support inner plate (7) and a support outer plate (8); the lower edge of the support inner plate (7) is provided with a trimming line B, the support outer plate (8) is completely attached to the support inner plate (7) above the trimming line B, and the rest part of the support outer plate (8) is below the trimming line B;
A claw-shaped structure (81) which penetrates through the second inclined section (43) and the first straight section (44) of the block line A and is fixedly connected with the upper part of the lower reinforcing piece (6) of the B upright post is arranged at the lower part of the support outer plate (8);
The first straight section (44) of the parting line A of the B-pillar upper reinforcement (4) and the B-pillar lower reinforcement (6) is the lowest, and the distance L between the first straight section (44) and the ground plane is 400-500 mm.
2. The automotive B-pillar reinforcement structure of claim 1, characterized in that: the left side edge of supporting inner panel (7) is equipped with left side stiffening rib (72), right side edge are equipped with right side stiffening rib (73), the left side edge and the right side edge of supporting inner panel (7) respectively with the left and right side wall fixed connection of reinforcement (4) on the B post, the upper portion of the left side edge (82) and the right side edge (83) of supporting planking (8) also with the left and right side wall fixed connection of reinforcement (4) on the B post respectively.
3. The automotive B-pillar reinforcement structure according to claim 1 or 2, characterized in that: the supporting inner plate (7) is formed by hot forming a steel plate with the tensile strength of more than or equal to 1400MPa and the material thickness of 2.0mm, and the supporting outer plate (8) is formed by hot forming a steel plate with the tensile strength of more than or equal to 1400MPa and the material thickness of 1.4 mm; the support inner plate (7) and the support outer plate (8) of the B-pillar reinforcement support (5) are bonded through a hot forming patch plate forming process.
4. The automotive B-pillar reinforcement structure according to claim 1 or 2, characterized in that: the lower parts of the left side edge (82) and the right side edge (83) of the support outer plate (8) are respectively overlapped with and welded with the left side surface (62) and the right side surface (63) of the lower reinforcing piece (6) of the B stand column.
5. The automotive B-pillar reinforcement structure according to claim 1 or 2, characterized in that: a first mounting positioning hole (401), four hinge mounting holes (402), a wire harness mounting hole (403), three welding gun through holes (404) and a first electrophoresis process hole (405) are formed in the B column reinforcing piece (4).
6. The automotive B-pillar reinforcement structure according to claim 1 or 2, characterized in that: a second mounting positioning hole (601), eight expansion glue holes (602) and four second electrophoresis process holes (603) are formed in the B column lower reinforcement (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210461272.6A CN114655314B (en) | 2022-04-28 | 2022-04-28 | Car B post reinforcement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210461272.6A CN114655314B (en) | 2022-04-28 | 2022-04-28 | Car B post reinforcement structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114655314A CN114655314A (en) | 2022-06-24 |
| CN114655314B true CN114655314B (en) | 2024-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210461272.6A Active CN114655314B (en) | 2022-04-28 | 2022-04-28 | Car B post reinforcement structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN114655314B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001199361A (en) * | 2000-01-20 | 2001-07-24 | Fuji Heavy Ind Ltd | Center pillar structure for vehicle |
| CN202716939U (en) * | 2012-07-23 | 2013-02-06 | 北京汽车股份有限公司 | Automotive B column reinforcing plate structure and vehicle |
| CN103552609A (en) * | 2013-11-11 | 2014-02-05 | 东北林业大学 | High-intensity steel plate vertical column reinforcement piece |
| CN203427889U (en) * | 2013-08-07 | 2014-02-12 | 一汽海马汽车有限公司 | Automobile B pillar and automobile applying same |
| CN206813107U (en) * | 2017-01-19 | 2017-12-29 | 重庆长安汽车股份有限公司 | Automotive intermediate column reinforcer |
| CN210852648U (en) * | 2019-06-21 | 2020-06-26 | 广州汽车集团股份有限公司 | B-pillar reinforcement and B-pillar reinforcement structure |
| CN212950848U (en) * | 2020-07-15 | 2021-04-13 | 上汽通用五菱汽车股份有限公司 | A post reinforcement and car |
| WO2021117805A1 (en) * | 2019-12-11 | 2021-06-17 | 豊田鉄工株式会社 | Center pillar reinforcement |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5983593B2 (en) * | 2013-12-24 | 2016-08-31 | トヨタ自動車株式会社 | Vehicle side structure |
-
2022
- 2022-04-28 CN CN202210461272.6A patent/CN114655314B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001199361A (en) * | 2000-01-20 | 2001-07-24 | Fuji Heavy Ind Ltd | Center pillar structure for vehicle |
| CN202716939U (en) * | 2012-07-23 | 2013-02-06 | 北京汽车股份有限公司 | Automotive B column reinforcing plate structure and vehicle |
| CN203427889U (en) * | 2013-08-07 | 2014-02-12 | 一汽海马汽车有限公司 | Automobile B pillar and automobile applying same |
| CN103552609A (en) * | 2013-11-11 | 2014-02-05 | 东北林业大学 | High-intensity steel plate vertical column reinforcement piece |
| CN206813107U (en) * | 2017-01-19 | 2017-12-29 | 重庆长安汽车股份有限公司 | Automotive intermediate column reinforcer |
| CN210852648U (en) * | 2019-06-21 | 2020-06-26 | 广州汽车集团股份有限公司 | B-pillar reinforcement and B-pillar reinforcement structure |
| WO2021117805A1 (en) * | 2019-12-11 | 2021-06-17 | 豊田鉄工株式会社 | Center pillar reinforcement |
| CN212950848U (en) * | 2020-07-15 | 2021-04-13 | 上汽通用五菱汽车股份有限公司 | A post reinforcement and car |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114655314A (en) | 2022-06-24 |
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