CN219790304U - Automobile B column assembly - Google Patents
Automobile B column assembly Download PDFInfo
- Publication number
- CN219790304U CN219790304U CN202320406603.6U CN202320406603U CN219790304U CN 219790304 U CN219790304 U CN 219790304U CN 202320406603 U CN202320406603 U CN 202320406603U CN 219790304 U CN219790304 U CN 219790304U
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- CN
- China
- Prior art keywords
- column
- plate
- pillar
- inner plate
- strength
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000003466 welding Methods 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 230000002787 reinforcement Effects 0.000 claims description 8
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000003351 stiffener Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013401 experimental design Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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- Body Structure For Vehicles (AREA)
Abstract
The utility model relates to an automobile B-pillar assembly. The device comprises a B column inner plate, a B column reinforcing plate, a B column upper hinge reinforcing piece, a B column lower hinge reinforcing piece and a high adjuster mounting plate, wherein the B column inner plate is formed by connecting an upper section of the B column inner plate and a lower section of the B column inner plate into a whole through laser splice welding, the high adjuster mounting plate is welded on the inner surface of the upper section of the B column inner plate, the B column upper hinge reinforcing piece and the B column lower hinge reinforcing piece are welded on the inner surface of the B column reinforcing plate, and the B column inner plate and the B column reinforcing plate are buckled and welded into a whole. The utility model can meet the requirements of protecting and researching side impact performance and jacking performance, and can not cause waste of materials.
Description
Technical Field
The utility model relates to an automobile part, in particular to an automobile B-pillar assembly.
Background
The automobile B column assembly is positioned between the front door and the rear door of the automobile, is connected with a side wall outer plate, a side wall upper reinforcing part, a threshold assembly, a floor assembly and the like, forms a main body column automobile body structure penetrating through the whole passenger cabin up and down, and provides mounting points for a safety belt height adjuster, a safety belt retractor, a whole automobile main wire harness, a decorating part, an automobile door hinge and the like.
The automobile B column assembly comprises a B column inner plate, a B column reinforcing plate, a B column upper hinge reinforcing piece, a B column lower hinge reinforcing piece and a high adjuster mounting plate, wherein two sides of the B column inner plate are arranged to be of a groove structure, and the B column assembly is enabled to form a cavity structure after being buckled and welded with the B column reinforcing plate.
In order to meet the requirements of protection and research in collision performance, the B column assembly area needs to bear side collision performance and jacking performance, and the requirements on the performance of the upper area of the B column assembly are high, but due to the fact that the cavity of the upper portion of the windowsill line is smaller, the material performance of the upper portion of the windowsill line is required to be improved, and the thickness of the material is required to be increased for compensation. However, the lower part of the cavity of the B column assembly is large, the side impact performance is an energy absorption soft area on the lower part, the top pressure performance is low on the lower part, and if the thickness of the material is increased integrally, the material mark is promoted, so that cost waste is caused.
Disclosure of Invention
The utility model aims to provide an automobile B column assembly, which can meet the requirements of protecting and researching side impact performance and jacking performance and can not cause waste of materials.
The utility model relates to an automobile B-pillar assembly, which comprises a B-pillar inner plate, a B-pillar reinforcing plate, a B-pillar upper hinge reinforcing piece, a B-pillar lower hinge reinforcing piece and a high adjuster mounting plate, wherein the B-pillar inner plate is formed by connecting an upper section of the B-pillar inner plate and a lower section of the B-pillar inner plate into a whole through laser splice welding, the high adjuster mounting plate is welded on the inner surface of the upper section of the B-pillar inner plate, the B-pillar upper hinge reinforcing piece and the B-pillar lower hinge reinforcing piece are welded on the inner surface of the B-pillar reinforcing plate, and the B-pillar inner plate and the B-pillar reinforcing plate are buckled and welded into a whole.
The position with the height of 450mm from the ground plane is used as the reference position for the splice welding of the upper section of the B-pillar inner plate and the lower section of the B-pillar inner plate.
The upper section of the B column inner plate is a high-strength steel plate with the yield strength of 400Mpa and the material thickness of 1.4 mm; the lower section of the B column inner plate is a high-strength steel plate with the yield strength of 340Mpa and the thickness of 1.0 mm.
The high-strength adjuster mounting plate is a high-strength steel plate with the yield strength of 280Mpa and the material thickness of 1.2 mm.
The B column reinforcing plate is a hot forming steel plate with the tensile strength of 1200Mpa and the material thickness of 1.2 mm.
The upper hinge reinforcing piece of the B column and the lower hinge reinforcing piece of the B column are hot forming steel plates with the tensile strength of 1200Mpa and the material thickness of 1.4 mm.
The B-pillar inner plate is formed by welding the upper section of the B-pillar inner plate and the lower section of the B-pillar inner plate through laser, so that the B-pillar assembly of the automobile can meet the requirements of protecting and grinding side collision performance and jacking performance and does not cause waste of materials through different selections of material marks and thicknesses of the upper section of the B-pillar inner plate and the lower section of the B-pillar inner plate.
The upper section of the B column inner plate and the lower section of the B column inner plate are combined together through laser splice welding to form the B column inner plate, and then the B column inner plate assembly is formed by connecting the upper section of the B column inner plate and the two high-speed regulator mounting plates together through spot welding, and the planning of the depth of the double-groove structure of the upper section of the B column inner plate and the lower section of the B column inner plate can be realized, so that the rapid diffraction and structural platformization of the same-platform different-protection performance grade vehicle type are satisfied. Secondly, the adjustment of the laser splice welding position is scientifically verified through simulation and experimental design to realize the structural general diffraction of the B-pillar inner plate and the reasonable distribution of the performance and the weight. The B column reinforcing plate is connected with the B column upper hinge reinforcing piece and the B column lower hinge reinforcing piece through spot welding and then integrally formed, so that the matching difficulty is reduced, the problem that welding slag splashes caused by welding matching brought by spot welding after forming is avoided, and abnormal sound of the cavity in the B column assembly occurs. And finally, connecting the B-pillar inner plate and the B-pillar reinforcing plate together through spot welding to form a complete pillar cavity structure.
Under the condition that the top pressure performance and the side collision performance are considered to have severe requirements on the upper part of the automobile B column assembly, the material at the upper section of the B column inner plate adopts a platform with the yield strength grade of 400Mpa, and the material thickness is changed by taking a high-strength steel plate with the thickness of 1.4mm as a reference, so that the degree of the platform is further improved; the double-groove structure depth of the upper section of the B-pillar inner plate is changed, and when the cavity reinforced by the B-pillar assembly above the windowsill line is extruded or expanded outwards due to modeling and arrangement reasons, the double-groove structure depth of the upper section of the B-pillar inner plate can be compensated by increasing and reducing.
Drawings
Fig. 1 is an exploded view of the present utility model.
Fig. 2 is a front view of the present utility model.
Fig. 3 is a front view of the B-pillar inner panel after welding with the high adjuster mounting plate.
Fig. 4 is a front view of the B-pillar stiffener after welding with the B-pillar upper and lower hinge stiffeners.
Fig. 5 is a cross-sectional view taken along line A-A in fig. 2.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the automobile B-pillar assembly comprises a B-pillar inner plate, a B-pillar reinforcing plate 21, a B-pillar upper hinge reinforcing piece 22, a B-pillar lower hinge reinforcing piece 23 and a high adjuster mounting plate 13, wherein the B-pillar inner plate is formed by connecting an upper section 11 of the B-pillar inner plate and a lower section 12 of the B-pillar inner plate into a whole through laser tailor welding, groove structures 14 are arranged on two sides of the B-pillar inner plate, the upper section 11 of the B-pillar inner plate is a high-strength steel plate with the yield strength of 400Mpa and the material thickness of 1.4mm, the lower section 12 of the B-pillar inner plate is a high-strength steel plate with the yield strength of 340Mpa and the material thickness of 1.0mm, and the position with the height of 450mm from the ground plane is used as a reference position for tailor welding the upper section 11 of the B-pillar inner plate and the lower section 12 of the B-pillar inner plate. Two high-strength adjuster mounting plates 13 are welded on the inner surface of the upper section 11 of the B-pillar inner plate, and the high-strength adjuster mounting plates 13 are high-strength steel plates with yield strength of 280Mpa and material thickness of 1.2 mm. The B-pillar upper hinge reinforcement 22 and the B-pillar lower hinge reinforcement 23 are welded on the inner surface of the B-pillar reinforcing plate 21, the B-pillar reinforcing plate 21 is a hot-formed steel plate with the tensile strength of 1200Mpa and the material thickness of 1.2mm, and the B-pillar upper hinge reinforcement 22 and the B-pillar lower hinge reinforcement 23 are hot-formed steel plates with the tensile strength of 1200Mpa and the material thickness of 1.4 mm. The inner plate of the B column and the reinforcing plate 21 of the B column are buckled and welded into a whole to form a cavity structure.
Claims (6)
1. The utility model provides an automobile B post assembly, includes B post inner panel, B post reinforcing plate (21), B post upper hinge reinforcement (22), B post lower hinge reinforcement (23) and high regulator mounting panel (13), its characterized in that: the B column inner plate is formed by connecting an upper section (11) of the B column inner plate and a lower section (12) of the B column inner plate into a whole through laser splice welding, the high adjuster mounting plate is welded on the inner surface of the upper section of the B column inner plate, the B column upper hinge reinforcing piece and the B column lower hinge reinforcing piece are welded on the inner surface of the B column reinforcing plate, and the B column inner plate and the B column reinforcing plate are buckled and welded into a whole.
2. The automotive B-pillar assembly of claim 1, wherein: the position with the height of 450mm from the ground plane is used as a reference position for welding the upper section (11) of the B-pillar inner plate and the lower section (12) of the B-pillar inner plate.
3. The automotive B-pillar assembly of claim 1, wherein: the upper section (11) of the B column inner plate is a high-strength steel plate with the yield strength of 400Mpa and the material thickness of 1.4 mm; the lower section (12) of the B column inner plate is a high-strength steel plate with the yield strength of 340Mpa and the thickness of 1.0 mm.
4. The automotive B-pillar assembly of claim 1, wherein: the high-strength adjuster mounting plate (13) is a high-strength steel plate with the yield strength of 280Mpa and the material thickness of 1.2 mm.
5. The automotive B-pillar assembly of claim 1, wherein: the B-pillar reinforcing plate (21) is a hot forming steel plate with the tensile strength of 1200Mpa and the material thickness of 1.2 mm.
6. The automotive B-pillar assembly of claim 1, wherein: the B-pillar upper hinge reinforcement (22) and the B-pillar lower hinge reinforcement (23) are hot-formed steel plates with the tensile strength of 1200Mpa and the material thickness of 1.4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320406603.6U CN219790304U (en) | 2023-03-07 | 2023-03-07 | Automobile B column assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320406603.6U CN219790304U (en) | 2023-03-07 | 2023-03-07 | Automobile B column assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219790304U true CN219790304U (en) | 2023-10-03 |
Family
ID=88157023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320406603.6U Active CN219790304U (en) | 2023-03-07 | 2023-03-07 | Automobile B column assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219790304U (en) |
-
2023
- 2023-03-07 CN CN202320406603.6U patent/CN219790304U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |