CN215475378U - B-pillar assembly of vehicle and vehicle - Google Patents
B-pillar assembly of vehicle and vehicle Download PDFInfo
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- CN215475378U CN215475378U CN202122397862.0U CN202122397862U CN215475378U CN 215475378 U CN215475378 U CN 215475378U CN 202122397862 U CN202122397862 U CN 202122397862U CN 215475378 U CN215475378 U CN 215475378U
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Abstract
The utility model provides a B-pillar assembly of a vehicle and the vehicle, and relates to the technical field of vehicle bodies. The B-pillar assembly of the vehicle comprises a B-pillar inner plate, a B-pillar reinforcing plate and a reinforcing frame. The B-column reinforcing plate is attached to two ends of the B-column inner plate, and a cavity is defined in the middle of the B-column reinforcing plate; the reinforcing frame is arranged in the cavity and connected with the B-column inner plate and/or the B-column reinforcing plate, and the reinforcing frame is composed of a framework and a foaming structure coated on the outer side of the framework. The framework and the foaming structure are filled in the B-pillar assembly, so that the strength and the rigidity of the B-pillar assembly can be improved, and the foaming structure is lighter than a steel plate, so that the strength and the rigidity of the B-pillar assembly are improved, and the lightweight effect of a vehicle body is achieved.
Description
Technical Field
The utility model relates to the technical field of vehicle bodies, in particular to a B-pillar assembly of a vehicle and the vehicle.
Background
At present, the automobile industry faces the problems of energy shortage, environmental pollution and the like, and in order to realize sustainable development, new technology and new material development and application are required. The method saves resources, improves the energy utilization rate and protects the environment, and is the inevitable development direction of the automobile industry in the future. Meanwhile, the improvement of safety is also an important subject of continuous attention in the automobile industry. A B-pillar of a vehicle, which is one of important components of a vehicle body structure, constitutes a passenger compartment and provides a mounting function for parts such as a B-pillar garnish, a seatbelt, and the like, and is capable of protecting an occupant from injury in a collision. Therefore, designing a B-pillar structure that meets the requirements of safety, function, etc. has been one of the important problems for automobile manufacturers.
The existing B-column reinforcing plate and B-column inner plate are mostly high-strength steel plates with equal thickness. In order to ensure sufficient strength and rigidity and protect passengers from being injured in collision, a B-column structure needs to be locally designed and developed with a B-column reinforcing plate patch. The B-column reinforcing plate patch plate and the B-column reinforcing plate need to be fixed by a special fixture and are connected through spot welding. This kind of structure has increased frock development cost and human resource input, and the cooperation of multilayer panel beating simultaneously influences the paint film thickness when B post cavity application electrophoresis, and then influences the life of automobile body, and is unfavorable for the lightweight of automobile body.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a B-column assembly of a vehicle, which solves the technical problem that the vehicle body is heavy due to the fact that the rigidity of a vehicle B-column is improved in the prior art.
It is a further object of the first aspect of the utility model to improve the strength of the B-pillar assembly.
It is an object of a second aspect of the present invention to provide a vehicle having the above-described B-pillar assembly.
According to an object of a first aspect of the present invention, there is provided a B-pillar assembly for a vehicle, comprising:
the inner plate of the B column is provided with a B column inner plate,
the B column reinforcing plate is attached to two ends of the B column inner plate, and the middle of the B column reinforcing plate is limited to form a cavity;
the reinforcing frame is arranged in the cavity and connected with the B-column inner plate and/or the B-column reinforcing plate, and the reinforcing frame is composed of a framework and a foaming structure coated on the outer side of the framework.
Optionally, the framework extends along the length direction of the B-pillar inner plate, and the cross section of the framework is square or parallelogram.
Optionally, the skeleton comprises:
the cross section of the outer framework is in a parallelogram shape;
two inner frame, set up the inside of exoskeleton, two inner frame cross arrangement just the both ends of two inner frame all with the exoskeleton is connected.
Optionally, the two inner skeletons are parallel to the two oblique sides and the two transverse sides of the outer skeleton, respectively.
Optionally, the foamed structure comprises:
and the plurality of foaming rings are arranged at intervals along the length direction of the framework.
Optionally, a clamping hole is formed in the B-pillar reinforcing plate, and a clamping hook is arranged on the reinforcing frame, so that the reinforcing frame is connected with the B-pillar reinforcing plate through the matching of the clamping hook and the clamping hole.
Optionally, the B-pillar reinforcement plate and the reinforcement frame are connected by welding.
Optionally, the skeleton is made of a glass fiber material.
Optionally, the method further comprises:
and the B-column outer plate is arranged on one side of the B-column reinforcing plate facing the outside of the vehicle and is connected with the B-column reinforcing plates at two ends.
According to an object of the second aspect of the present invention, there is also provided a vehicle comprising the above-described B-pillar assembly.
The B-pillar assembly of the vehicle comprises a B-pillar inner plate, a B-pillar reinforcing plate and a reinforcing frame. The B-column reinforcing plate is attached to two ends of the B-column inner plate, and a cavity is defined in the middle of the B-column reinforcing plate; the reinforcing frame is arranged in the cavity and connected with the B-column inner plate and/or the B-column reinforcing plate, and the reinforcing frame is composed of a framework and a foaming structure coated on the outer side of the framework. The framework and the foaming structure are filled in the B-pillar assembly, so that the strength and the rigidity of the B-pillar assembly can be improved, and the foaming structure is lighter than a steel plate, so that the strength and the rigidity of the B-pillar assembly are improved, and the lightweight effect of a vehicle body is achieved.
Furthermore, the framework comprises an outer framework and two inner frameworks, wherein the cross section of the outer framework is in a parallelogram shape; two inner frame settings are in the inside of outer skeleton, and two inner frame cross arrangement and two inner frame's both ends all are connected with the outer skeleton. The strength of the framework can be enhanced by arranging the inner framework, so that the strength of the B column assembly can be improved.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the utility model will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic block diagram of a B-pillar assembly of a vehicle in accordance with one embodiment of the present invention;
FIG. 2 is a schematic block diagram of a reinforcing frame in the B-pillar assembly shown in FIG. 1;
fig. 3 is a schematic cross-sectional view taken along a sectional line a-a in fig. 2.
Reference numerals:
100-B column assembly, 10-B column reinforcing plate, 20-B column inner plate, 30-reinforcing frame, 40-B column outer plate, 31-framework, 32-foaming structure, 311-outer framework, 312-inner framework and 321-foaming ring.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
Fig. 1 is a schematic structural view of a B-pillar assembly 100 of a vehicle according to one embodiment of the present invention. As shown in FIG. 1, in one particular embodiment, a B-pillar assembly 100 of a vehicle includes a B-pillar inner panel 20, a B-pillar stiffener 10, and a reinforcement bracket 30, wherein the B-pillar stiffener 10 abuts the B-pillar inner panel 20 at both ends and defines a cavity therebetween. The reinforcing frame 30 is arranged in the cavity and connected with the B-pillar inner plate 20 and/or the B-pillar reinforcing plate 10, and the reinforcing frame 30 is composed of a framework 31 and a foaming structure 32 coated on the outer side of the framework 31. Here, the material of the frame 31 is a glass fiber material as a supporting structure, the foam structure 32 is injection molded on the frame 31 according to the design performance requirement, and the foaming rate of the foam structure 32 can be selected according to the design performance. The glass fiber has the advantages of high temperature resistance, excellent corrosion resistance, high tensile strength and the like.
In this embodiment, the framework 31 and the foam structure 32 are filled in the B-pillar assembly 100, so that the strength and rigidity of the B-pillar assembly 100 can be improved, and the foam structure 32 is lighter than a steel plate, so that the strength and rigidity of the B-pillar assembly 100 are improved, and the effect of reducing the weight of the vehicle body is achieved. This embodiment eliminates the prior art B-pillar stiffener patch while employing the stiffener 30 configuration.
In this embodiment, the framework 31 extends along the length direction of the B-pillar inner panel 20, and the cross section of the framework 31 is square or parallelogram, so that compared with the technical scheme that the cross section of the framework 31 is set to be triangular or other irregular shapes, the structure of the square or parallelogram is relatively stable, and the anti-collision performance of the B-pillar assembly 100 is improved. In other embodiments, the cross section of the framework 31 may be configured to be triangular, circular, etc., and the shape of the cross section of the framework 31 is not limited, but is preferably configured to be square or parallelogram.
In a preferred embodiment, the frame 31 comprises an outer frame 311 and two inner frames 312, wherein the cross section of the outer frame 311 is a parallelogram. Two inner frames 312 are arranged inside the outer frame 311, the two inner frames 312 are arranged in a crossed manner, and two ends of the two inner frames 312 are connected with the outer frame 311. This embodiment may further enhance the impact resistance of the B-pillar assembly 100 by adding an endoskeleton 312. In other embodiments, the number of the inner frames 312 may also be set to 6, 8, etc., the number of the inner frames 312 is not limited, and the number of the inner frames 312 may be selected according to specific design requirements.
Fig. 2 is a schematic structural view of the reinforcing frame 30 in the B-pillar assembly 100 shown in fig. 1. As shown in fig. 2, in this embodiment, the foaming structure 32 includes a plurality of foaming rings 321 arranged at intervals along the length direction of the framework 31, and the plurality of foaming rings 321 arranged at intervals can reduce the weight of the reinforcing frame 30 and can achieve the effect of enhancing the strength of the reinforcing frame 30. The plurality of foaming rings 321 are coated and baked at high temperature and then connected with the framework 31, the rigidity of the foaming rings 321 can be changed by adjusting the density of the foaming adhesive, the performance requirement is combined, and the target requirement is met by adjusting the density of the foaming adhesive. In addition, the foaming ratio of the foaming ring 321 at different positions may be set to be different. In this embodiment, the foam structure 32 uses a foam having a pre-foaming density of about 1300kg/m3 and a post-foaming density of about 700kg/m3。
Because the rigid foaming glue has low density and high foaming rate, the collision performance grade of the automobile body can be improved. And the foaming ring 321 filling area can guide the foaming direction according to the specific design requirement so as to achieve the optimal deformation effect without influencing the installation and fixation of other parts. The weight of the vehicle body one-side B-pillar assembly 100 in the embodiment is 12.9kg, which is 1.9kg less than that of the prior art, so that the B-pillar assembly 100 in the embodiment is beneficial to the light weight of the vehicle body.
Fig. 3 is a schematic cross-sectional view taken along a sectional line a-a in fig. 2. As shown in fig. 3, the two inner frames 312 are parallel to two oblique sides and two lateral sides of the outer frame 311, respectively. It can be understood that the cross section of the framework 31 is "field" shaped, which is equivalent to dividing the interior of the framework 31 into 4 cavities, and the structure is relatively stable compared with other structures. In other embodiments, if the number of the inner frames 312 is large, the inner space of the frame 31 may be 6 cavities, 8 cavities, or 10 cavities, which may be specifically set according to design requirements.
In this embodiment, the B-pillar reinforcement plate 10 is provided with a snap hole, and the reinforcing frame 30 is provided with a snap hook, so that the reinforcing frame 30 is connected with the B-pillar reinforcement plate 10 by the cooperation of the snap hook and the snap hole. In other embodiments, if the B-pillar stiffener 10 and the stiffener 30 can be connected by welding, a metal sheet for welding needs to be disposed on the outer surface of the stiffener 30, so as to weld the B-pillar stiffener 10 with the metal sheet. Can also set up the joint hole on B post inner panel 20 to cooperation through trip and joint hole on the strengthening frame 30, thereby make strengthening frame 30 and B post inner panel 20 be connected.
This embodiment arranges the reinforcement 30 between the B-pillar inner panel 20 and the B-pillar reinforcement panel 10, and can improve the rigidity and strength of this region, thereby improving the collision safety of the vehicle body. Meanwhile, the foaming ring 321 partially fills the cavity between the B-pillar reinforcing plate 10 and the B-pillar inner plate 20, so that the NVH performance of the whole vehicle can be improved. This embodiment has evaded a series of problems among the prior art when guaranteeing the regional performance of B post promptly, is favorable to promoting the NVH performance of automobile body and reaches the purpose of automobile body lightweight, and can reduce B post panel beating part development quantity, and then reduces input such as part fixture frock, reduces on-the-spot production administrative cost, human cost, production place input cost etc. promotes the competitiveness of product.
In this embodiment, the B-pillar assembly 100 further includes a B-pillar outer panel 40 disposed on the side of the B-pillar stiffener 10 facing the vehicle exterior and connected to the two-end B-pillar stiffener 10.
The utility model also provides a vehicle comprising the B-pillar assembly 100 in any one of the embodiments described above. For the B-pillar assembly 100, a detailed description thereof is omitted.
In the embodiment, the rigid foaming structure 32 is arranged in the cavity formed by the B-pillar reinforcing plate 10 and the B-pillar inner plate 20, the foaming rubbers with different foaming rates have different pore diameters, densities and bearing loads, and can be filled by adopting the foaming rubbers with different foaming rates, so that different strength and energy absorption effects are achieved, and a mold does not need to be changed. And the foam structure 32 of the embodiment can improve the strength and rigidity of the B-pillar assembly 100, thereby improving the collision performance of the whole vehicle and ensuring the safety of the passenger compartment. In addition, in the embodiment, the reinforcing frame 30 is adopted to replace a B-column reinforcing plate patch in the prior art, so that the development of parts such as the B-column reinforcing plate patch and the like can be reduced, the development quantity of part fixture tools is reduced, and the development cost of the parts is reduced.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the utility model have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the utility model may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the utility model. Accordingly, the scope of the utility model should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A B-pillar assembly for a vehicle, comprising:
the inner plate of the B column is provided with a B column inner plate,
the B column reinforcing plate is attached to two ends of the B column inner plate, and the middle of the B column reinforcing plate is limited to form a cavity;
the reinforcing frame is arranged in the cavity and connected with the B-column inner plate and/or the B-column reinforcing plate, and the reinforcing frame is composed of a framework and a foaming structure coated on the outer side of the framework.
2. The B-pillar assembly of claim 1,
the skeleton is followed the length direction of B post inner panel extends, just the cross section of skeleton is square or parallelogram.
3. The B-pillar assembly of claim 2, wherein the framework comprises:
the cross section of the outer framework is in a parallelogram shape;
two inner frame, set up the inside of exoskeleton, two inner frame cross arrangement just the both ends of two inner frame all with the exoskeleton is connected.
4. The B-pillar assembly of claim 3,
the two inner frameworks are respectively parallel to the two bevel edges and the two transverse edges of the outer framework.
5. The B-pillar assembly of claim 1, wherein the foam structure comprises:
and the plurality of foaming rings are arranged at intervals along the length direction of the framework.
6. The B-pillar assembly of claim 1,
the B-column reinforcing plate is provided with a clamping hole, and the reinforcing frame is provided with a clamping hook so that the reinforcing frame is connected with the B-column reinforcing plate through the matching of the clamping hook and the clamping hole.
7. The B-pillar assembly of claim 1,
the B-column reinforcing plate is connected with the reinforcing frame in a welding mode.
8. The B-pillar assembly of claim 1,
the framework is made of glass fiber materials.
9. The B-pillar assembly of claim 1, further comprising:
and the B-column outer plate is arranged on one side of the B-column reinforcing plate facing the outside of the vehicle and is connected with the B-column reinforcing plates at two ends.
10. A vehicle comprising a B-pillar assembly according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122397862.0U CN215475378U (en) | 2021-09-30 | 2021-09-30 | B-pillar assembly of vehicle and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122397862.0U CN215475378U (en) | 2021-09-30 | 2021-09-30 | B-pillar assembly of vehicle and vehicle |
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| Publication Number | Publication Date |
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| CN215475378U true CN215475378U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122397862.0U Active CN215475378U (en) | 2021-09-30 | 2021-09-30 | B-pillar assembly of vehicle and vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113998004A (en) * | 2021-11-29 | 2022-02-01 | 浙江吉利控股集团有限公司 | Automobile front upright post structure and automobile |
| CN115257933A (en) * | 2022-08-18 | 2022-11-01 | 奇瑞汽车股份有限公司 | Automobile body structure reinforcing rubber block |
-
2021
- 2021-09-30 CN CN202122397862.0U patent/CN215475378U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113998004A (en) * | 2021-11-29 | 2022-02-01 | 浙江吉利控股集团有限公司 | Automobile front upright post structure and automobile |
| CN115257933A (en) * | 2022-08-18 | 2022-11-01 | 奇瑞汽车股份有限公司 | Automobile body structure reinforcing rubber block |
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