CN216070204U - Vehicle body side frame assembly - Google Patents
Vehicle body side frame assembly Download PDFInfo
- Publication number
- CN216070204U CN216070204U CN202120331792.6U CN202120331792U CN216070204U CN 216070204 U CN216070204 U CN 216070204U CN 202120331792 U CN202120331792 U CN 202120331792U CN 216070204 U CN216070204 U CN 216070204U
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- side wall
- pillar
- assembly
- column
- wall frame
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- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 23
- 230000007797 corrosion Effects 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims 1
- 238000004080 punching Methods 0.000 abstract 1
- 239000011229 interlayer Substances 0.000 description 6
- 239000003292 glue Substances 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 238000006056 electrooxidation reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000001962 electrophoresis Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Abstract
The utility model provides a vehicle body side wall frame, which aims to solve the problems of difficult forming of an aluminum alloy vehicle body side wall and poor side collision performance of a B column. The vehicle body side wall frame assembly comprises a side wall frame consisting of a side wall frame upper edge beam, a side wall frame threshold beam, an A column and a C column, and a steel B column assembly; the side wall framework is formed by aluminum alloy in an integrated punching mode, the top end of the B column assembly is fixedly connected with the upper side beam of the side wall framework, and the bottom end of the B column assembly is fixedly connected with the threshold beam of the side wall framework. Different from the traditional integrally formed aluminum alloy vehicle body side wall frame assembly, the B column assembly is independently manufactured from the vehicle body side wall frame assembly and assembled on the side wall framework at the later stage, so that the side wall framework is simplified, and the forming of the side wall framework is facilitated; the B-pillar assembly is made of steel with high structural strength, and the side wall framework is made of light-weight aluminum alloy, so that the requirement of vehicle body light weight can be met as much as possible, and the requirement of B-pillar side impact performance can be met.
Description
Technical Field
The utility model belongs to the technical field of automobiles, and particularly relates to an automobile body side wall frame assembly.
Background
The research and application of the light weight of the automobile become more and more attention points in the industry, the application of the aluminum alloy automobile body plays a great role in the aspect of the light weight of the automobile body, but also meets some problems to be solved: because the elastic modulus and the tensile strength of the aluminum alloy material are lower than those of the traditional steel, the aluminum alloy material is difficult to meet the current more and more strict requirements on collision safety performance when used in some key structures. For example, the side wall frame assembly of the vehicle body of the existing aluminum alloy vehicle body is integrally formed by stamping structures such as a side wall frame upper side beam, a side wall frame threshold beam, an A column, a B column, a C column and the like, and the manufacturing method not only causes the difficulty in forming the side wall, but also causes the difficulty in meeting the requirement of the side collision performance of the vehicle for the B column strength of the aluminum alloy material.
Disclosure of Invention
The utility model aims to provide a side wall frame of an automobile body, which aims to solve the problems that the side wall of an aluminum alloy automobile body is difficult to form and the side impact performance of a B column is poor.
The utility model relates to a vehicle body side wall frame assembly, which comprises a side wall frame and a steel B-pillar assembly, wherein the side wall frame consists of a side wall frame upper edge beam, a side wall frame threshold beam, an A pillar and a C pillar; the side wall framework is formed by aluminum alloy in an integrated stamping mode, the top end of the B column assembly is fixedly connected with the upper side beam of the side wall framework, and the bottom end of the B column assembly is fixedly connected with the threshold beam of the side wall framework.
Different from the traditional integrally formed aluminum alloy vehicle body side wall frame assembly, the B column assembly is independently manufactured from the vehicle body side wall frame assembly and assembled on the side wall framework at the later stage, so that the side wall framework is simplified, and the forming of the side wall framework is facilitated; the B-pillar assembly is made of steel with high structural strength, and the side wall framework is made of light-weight aluminum alloy, so that the requirement of vehicle body light weight can be met as much as possible, and the requirement of B-pillar side impact performance can be met.
Furthermore, a corrosion-resistant interlayer is arranged between the B column assembly and the side wall framework. Different potential differences between the steel B column assembly and the aluminum side wall framework can cause electrochemical corrosion, the electric connection between the B column assembly and the side wall framework can be isolated by arranging the corrosion-resistant interlayer so as to reduce the electrochemical corrosion, and the interlayer can be a glue layer made of spot welding sealant, structural glue and the like, and is not repeated here.
Furthermore, the top end of the B-pillar assembly is provided with an upper connecting part extending in the horizontal direction, the bottom end of the B-pillar assembly is provided with a lower connecting part extending in the horizontal direction, and the upper connecting part is fixedly connected with the upper side beam of the side wall framework; and the lower connecting part is fixedly connected with the side wall framework doorsill beam. Through last connecting portion and lower connecting portion, increased the connection area of B post assembly and side wall skeleton roof beam, side wall skeleton threshold roof beam, be favorable to improving the connection stability between B post assembly and the side wall skeleton to and on dispersing the impact force that the B post received fast the side wall skeleton when taking place the side and bumping, reduce the destruction to the side wall, improve the security.
Furthermore, the upper connecting portion and the lower connecting portion are of horizontal groove body structures, the upper connecting portion is buckled on an upper side beam of the side wall framework, and the lower connecting portion is buckled on a threshold beam of the side wall framework, so that the attaching area of the B column assembly and the side wall framework is greatly increased, the stability of the B column assembly on the side wall framework is improved, and the B column assembly can be better limited and fixed in the vertical direction.
Specifically, in order to improve the strength of the B-column assembly, the B-column assembly is composed of four steel plate stamping parts of a groove structure including a B-column outer plate, a B-column reinforcing plate, a B-column mounting plate and a B-column inner plate, the B-column outer plate and the B-column inner plate are buckled and welded and fixed to form a cavity with a square cross section, the B-column reinforcing plate and the B-column mounting plate are located in the cavity, the B-column mounting plate is attached and fixed to the inner side of the B-column reinforcing plate, and the B-column reinforcing plate is attached and fixed to the inner side of the B-column outer plate.
Furthermore, flanges are arranged on two sides of the B-column outer plate, the B-column reinforcing plate and the B-column inner plate, inner end faces of the flanges on two sides of the B-column reinforcing plate are fixedly connected with the flanges on two sides of the B-column inner plate, and outer end faces of two sides of the B-column reinforcing plate are fixedly connected with the flanges on two sides of the B-column outer plate. The contact area between the B column outer plate, the B column reinforcing plate and the B column inner plate can be increased through the turned-over edges, the connection stability among the B column outer plate, the B column reinforcing plate and the B column inner plate is improved, and therefore the stability of a B column assembly structure is effectively improved.
According to the body side wall frame assembly, the design idea of the traditional body side wall frame assembly is eliminated, the B column assembly is manufactured independently, the strength of the B column assembly is improved on the premise of ensuring light weight, the manufacturing difficulty is reduced, and the body side wall frame assembly has good practicability.
Drawings
FIG. 1 is a structural module of the B-pillar assembly of embodiment 1 and its structural exploded view.
Fig. 2 is a sectional view of a B-pillar assembly structural module of embodiment 1.
Fig. 3 is a side view of the side body frame for an automobile of embodiment 1.
FIG. 4 is a side view of the body side frame assembly of embodiment 1.
Labeled as: 1. A side wall framework; 11. an upper side beam of the side wall framework; 12. a side wall framework doorsill beam; 13. a column A; 14. c column; 2. a B-pillar assembly; 21. an upper connecting portion; 22. a lower connecting portion; 23. a B-pillar outer plate; 24. a B-pillar reinforcement plate; 25. b column mounting plate; 26. b pillar inner panel.
Detailed Description
The following describes embodiments of the present invention, such as shapes and structures of respective members, mutual positions and connection relationships between respective portions, and actions and operation principles of the respective portions, in further detail, with reference to the accompanying drawings.
Example 1:
the embodiment provides a vehicle body side frame, which aims to solve the problems of difficult forming of the side body of an aluminum alloy vehicle body and poor side collision performance of a B column.
As shown in fig. 1 to 4, the vehicle body side frame assembly of the present embodiment includes a side frame 1 composed of a side frame roof rail 11, a side frame sill beam 12, an a-pillar 13, and a C-pillar 14, and a steel B-pillar assembly 2; side wall skeleton 1 is by the integrative stamping forming of aluminum alloy, the top and the 11 fixed connection of side wall skeleton roof beam on B post assembly 2, the bottom and the 12 fixed connection of side wall skeleton threshold roof beam of B post assembly 2. The specific fixing connection mode can be one or a combination of more of FDS, self-piercing riveting, bolt assembly and the like. And a corrosion-resistant interlayer (the corrosion-resistant interlayer is not shown in the figure) is arranged between the B column assembly 2 and the side wall framework 1 and is used for isolating the electric connection between the B column assembly 2 and the side wall framework 1 and reducing the electrochemical corrosion, and the interlayer can be a glue layer made of spot welding sealant, structural glue and the like, and is not described again here.
As shown in fig. 1 and 4, the top end of the B-pillar assembly 2 is provided with an upper connecting part 21 extending in the horizontal direction, the bottom end is provided with a lower connecting part 22 extending in the horizontal direction, and the upper connecting part 21 is fixedly connected with the upper edge beam 11 of the side wall frame; the lower connecting part 22 is fixedly connected with the side wall framework doorsill beam 12. Through upper connecting portion 21 and lower connecting portion 22, increased the connection area of B post assembly 2 and side wall skeleton roof beam 11, side wall skeleton threshold roof beam 12, be favorable to improving the connection stability between B post assembly 2 and the side wall skeleton 1 to and on dispersing the impact force that the B post received fast side wall skeleton 1 when taking place the side impact, reduce the destruction to the side wall, improve the security. In this embodiment, the upper connecting portion 21 and the lower connecting portion 22 are both of a horizontal groove structure, the upper connecting portion 21 is buckled on the side wall frame upper side beam 11, and the lower connecting portion 22 is buckled on the side wall frame threshold beam 12, so that the fitting area of the B column assembly 2 and the side wall frame 1 is greatly increased, the stability of the B column assembly 2 on the side wall frame 1 is improved, and the B column assembly 2 can be better limited and fixed in the vertical direction.
In order to improve the strength of the B-column assembly 2, the B-column assembly 2 is composed of four steel plate stamping parts with groove structures, namely a B-column outer plate 23, a B-column reinforcing plate 24, a B-column mounting plate 25 and a B-column inner plate 26, the B-column outer plate 23 and the B-column inner plate 26 are buckled and welded and fixed to form a cavity with a square-shaped cross section, the B-column reinforcing plate 24 and the mounting plate 25 are all located in the cavity, the B-column mounting plate 25 is attached and fixed to the inner side of the B-column reinforcing plate 24, and the B-column reinforcing plate 24 is attached and fixed to the inner side of the B-column outer plate 23. The B-pillar outer panel 23 is formed into a partial structure independently, so that the design freedom of the stamping angle is greatly improved, and the forming is facilitated.
The materials of four stamping parts, namely the B column outer plate 23, the B column reinforcing plate 24, the B column mounting plate 25 and the B column inner plate 26, can be selected according to the specific requirements of each part, the B column outer plate 23 is an appearance part, a material with good surface quality and high drawing rate can be selected, the B column reinforcing plate 24 mainly supports the requirements of collision performance, a material with high tensile strength (more than 1000 MPa) can be selected, the B column mounting plate 25 and the B column inner plate 26 mainly play a role in mounting hinges, locks, safety belts and the like, and a common high-strength steel plate (more than 500 MPa) can be selected. Four steel sheet stamping parts link together through the mode of spot welding, and joint strength is higher, and welded convenient operation is than traditional automobile body side wall planking integral type structure will be high.
After the stamping parts are welded into the B-pillar assembly 2, electrophoresis is performed firstly, different colored paints are sprayed according to the color requirements of the appearance, the structural mode can perform electrophoretic paint spraying only aiming at the exposed structure (the B-pillar assembly 2) sensed by a customer, the integral electrophoresis of a vehicle body is not needed, the energy is greatly saved, and the emission of electrophoretic pollution is reduced.
Flanges are arranged on two sides of the B column outer plate 23, the B column reinforcing plate 24 and the B column inner plate 26, inner end surfaces of the flanges on two sides of the B column reinforcing plate 24 are fixedly connected with the flanges on two sides of the B column inner plate 26, and outer end surfaces of two sides of the B column reinforcing plate 24 are fixedly connected with the flanges on two sides of the B column outer plate 23. The contact area among the B column outer plate 23, the B column reinforcing plate 24 and the B column inner plate 26 can be increased through the flanging, the connection stability among the three is improved, and therefore the structural stability of the B column assembly 2 is effectively improved.
Different from the traditional integrally formed aluminum alloy vehicle body side wall frame assembly, the B column assembly 2 is independently manufactured from the vehicle body side wall frame assembly and assembled on the side wall framework 1 at the later stage, so that the side wall framework 1 is simplified, and the forming of the side wall framework 1 is facilitated; the B-pillar assembly 2 is made of steel with high structural strength, and the side wall framework 1 is made of light-weight aluminum alloy, so that the requirement of vehicle body light weight can be met as much as possible, and the requirement of B-pillar side impact performance can be met.
The utility model has been described in connection with the accompanying drawings, it is to be understood that the utility model is not limited in its application to the details of construction and the arrangement of the components set forth in the following description, as long as the utility model is capable of being practiced without modification in any way whatsoever, and is capable of other applications without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. A car body side wall frame assembly is characterized by comprising a side wall frame and a steel B-pillar assembly, wherein the side wall frame is composed of a side wall frame upper edge beam, a side wall frame threshold beam, an A pillar and a C pillar; the side wall framework is formed by aluminum alloy in an integrated stamping mode, the top end of the B column assembly is fixedly connected with the upper side beam of the side wall framework, and the bottom end of the B column assembly is fixedly connected with the threshold beam of the side wall framework.
2. The body side frame assembly of claim 1 wherein a corrosion barrier is disposed between said B pillar assembly and said side frame.
3. The vehicle body side wall frame assembly according to claim 1, wherein the top end of the B-pillar assembly is provided with an upper connecting part extending in the horizontal direction, the bottom end of the B-pillar assembly is provided with a lower connecting part extending in the horizontal direction, and the upper connecting part is fixedly connected with the side wall framework upper edge beam; and the lower connecting part is fixedly connected with the side wall framework doorsill beam.
4. The vehicle body side wall frame assembly according to claim 3, wherein the upper connecting portion and the lower connecting portion are of a horizontal groove structure, the upper connecting portion is buckled on an upper side beam of the side wall frame, and the lower connecting portion is buckled on a threshold beam of the side wall frame.
5. The body side frame assembly according to claim 3 or 4, wherein the B-pillar assembly is composed of four steel plate stamping parts with groove structures, namely a B-pillar outer plate, a B-pillar reinforcing plate, a B-pillar mounting plate and a B-pillar inner plate, the B-pillar outer plate and the B-pillar inner plate are buckled and welded to form a cavity with a square cross section, the B-pillar reinforcing plate and the B-pillar mounting plate are located in the cavity, the B-pillar mounting plate is attached and fixed to the inner side of the B-pillar reinforcing plate, and the B-pillar reinforcing plate is attached and fixed to the inner side of the B-pillar outer plate.
6. The body side frame assembly according to claim 5, wherein flanges are provided on both sides of the B-pillar outer panel, the B-pillar reinforcement panel and the B-pillar inner panel, inner end surfaces of the flanges on both sides of the B-pillar reinforcement panel are fixedly connected with the flanges on both sides of the B-pillar inner panel, and outer end surfaces of both sides of the B-pillar reinforcement panel are fixedly connected with the flanges on both sides of the B-pillar outer panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120331792.6U CN216070204U (en) | 2021-02-05 | 2021-02-05 | Vehicle body side frame assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120331792.6U CN216070204U (en) | 2021-02-05 | 2021-02-05 | Vehicle body side frame assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216070204U true CN216070204U (en) | 2022-03-18 |
Family
ID=80634521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120331792.6U Active CN216070204U (en) | 2021-02-05 | 2021-02-05 | Vehicle body side frame assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216070204U (en) |
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2021
- 2021-02-05 CN CN202120331792.6U patent/CN216070204U/en active Active
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