CN215361558U - B-pillar reinforcing structure for reducing side impact invasion of frameless door automobile - Google Patents
B-pillar reinforcing structure for reducing side impact invasion of frameless door automobile Download PDFInfo
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- CN215361558U CN215361558U CN202120409877.1U CN202120409877U CN215361558U CN 215361558 U CN215361558 U CN 215361558U CN 202120409877 U CN202120409877 U CN 202120409877U CN 215361558 U CN215361558 U CN 215361558U
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 95
- 230000009545 invasion Effects 0.000 title claims description 7
- 238000003466 welding Methods 0.000 claims abstract description 32
- 230000002787 reinforcement Effects 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a B-pillar reinforcing structure for reducing the side collision intrusion amount of a frameless vehicle door, which is characterized in that a B-pillar reinforcing plate, a side-wall outer plate and a B-pillar inner plate form a B-pillar reinforcing structure body, one end of the B-pillar reinforcing plate is connected with an A-pillar upper inner plate, a reinforcing piece is arranged between the B-pillar reinforcing plate and the B-pillar inner plate, the reinforcing piece is of a square hydraulic tubular beam structure with different cross-sectional shapes, the cross-sectional size of the reinforcing piece is matched with the size of a closed cavity formed between the B-pillar reinforcing plate and the B-pillar inner plate, a first welding surface, a second welding surface and a third welding surface are arranged on the reinforcing piece, and the reinforcing piece is welded and fixed with the B-pillar reinforcing plate through the first welding surface, the second welding surface and the third welding surface; through set up the reinforcement between B post reinforcing plate and B post inner panel, can utilize the reinforcement to promote B post anti-buckling effect when the side impact effectively to can make the B post fully absorb the collision energy, promote collision security.
Description
Technical Field
The utility model relates to the field of frameless vehicle door reinforcing structures, in particular to a B-pillar reinforcing structure for reducing the side collision invasion amount of a frameless vehicle door.
Background
With the development and progress of the automobile industry, originally exclusive frameless doors for overtaking also start to enter the civilian life; in the aspect of safety, because the frameless vehicle door is structurally lack of an upper door frame section, the B-pillar reinforcing plate needs to absorb and transmit more force during side collision, the B-pillar reinforcing plate part area, particularly the position above a hinge on a rear door, is weak, the intrusion amount is too large in the side collision process, the B-pillar reinforcing plate is easy to bend and break, and the safety of passengers is seriously injured;
in the automobile design process, when CAE (computer aided engineering software in engineering design) analyzes that the invasion amount of a B column is too large, the material thickness of a B column reinforcing plate is generally adjusted or the Z-direction size of a B column inner reinforcing plate is increased, and a B column weak area is reinforced through the structural change; however, the effective welding space of the reinforcing plate in the B column is influenced due to the Y-direction height size limitation of the reinforcing plate of the B column of the frameless vehicle door body, and the side impact invasion amount cannot be completely improved by the structure; therefore, the utility model provides a B-pillar reinforcing structure for reducing the side impact invasion amount of a frameless vehicle door, which aims to overcome the defects in the prior art.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, an object of the present invention is to provide a B-pillar reinforcement structure for reducing the intrusion amount of side impact of a frameless door automobile, in which a reinforcement is provided between a B-pillar reinforcement plate and a B-pillar inner panel, so that the reinforcement can effectively improve the bending resistance of a B-pillar during a side impact, and the B-pillar can sufficiently absorb impact energy to improve the impact safety.
In order to achieve the purpose of the utility model, the utility model is realized by the following technical scheme:
the B-column reinforcing structure comprises a B-column reinforcing structure body, wherein the B-column reinforcing structure body is composed of a B-column reinforcing plate, a side wall outer plate and a B-column inner plate, one end of the B-column reinforcing plate is connected with an A-column upper inner plate, a reinforcing piece is arranged between the B-column reinforcing plate and the B-column inner plate, the reinforcing piece is of a 'square' -shaped hydraulic tubular beam structure with different cross-sectional shapes, the cross-sectional size of the reinforcing piece is matched with the size of a closed cavity formed between the B-column reinforcing plate and the B-column inner plate, a first welding surface, a second welding surface and a third welding surface are arranged on the reinforcing piece, and the reinforcing piece is fixedly welded with the B-column reinforcing plate through the first welding surface, the second welding surface and the third welding surface.
The further improvement lies in that: the thickness of the reinforcement is 1.5-2.5mm, and the reinforcement is provided with a hole for avoiding assembly of the interior trim guard plate, the electrical appliance wire harness and the external assembly parts.
The further improvement lies in that: one end of the reinforcing part extends to the corner position of the joint of the column A and the column B along the hinge position on the column B of the automobile.
The further improvement lies in that: and the metal plate gap between the non-welding surface of the reinforcing part and the B-column reinforcing plate is 3-5 mm.
The further improvement lies in that: the reinforcing part is provided with a technical lightening hole, the cross section of the technical lightening hole is of a structure shaped like a Chinese character 'kou', and the reinforcing part is provided with a radial reinforcing rib.
The further improvement lies in that: the reinforcing piece is arranged along the length direction of the B-pillar reinforcing plate.
The utility model has the beneficial effects that: according to the utility model, the reinforcing member is arranged between the B-column reinforcing plate and the B-column inner plate, so that the anti-bending effect of the B-column during side collision can be effectively improved by using the reinforcing member, the B-column can fully absorb collision energy, and the collision safety is improved.
Drawings
FIG. 1 is a schematic front view of a connection structure of a B-pillar reinforcement plate and a reinforcement member according to the present invention;
FIG. 2 is a schematic view of a reinforcement structure according to the present invention;
FIG. 3 is a schematic view of a reinforcement structure according to the present invention;
FIG. 4 is a schematic structural cross-sectional view of the B-pillar reinforcement plate, the B-pillar inner plate and the reinforcement member according to the present invention.
Wherein: 1. a B-pillar reinforcing structure body; 2. a B-pillar reinforcement plate; 3. a side outer plate; 4. b column inner plates; 5. an upper inner plate of the A column; 6. a reinforcement; 7. a first welding surface; 8. a second weld face; 9. a third weld face; 10. opening a hole; 11. a process lightening hole; 12. and radial reinforcing ribs.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Referring to fig. 1, 2, 3 and 4, the present embodiment provides a B-pillar reinforcement structure for reducing the side impact intrusion of a frameless door automobile, which includes a B-pillar reinforcement structure body 1, the B-pillar reinforcing structure body 1 consists of a B-pillar reinforcing plate 2, a side wall outer plate 3 and a B-pillar inner plate 4, one end of the B-pillar reinforcing plate 2 is connected with an A-pillar upper inner plate 5, a reinforcing piece 6 is arranged between the B-pillar reinforcing plate 2 and the B-pillar inner plate 4, the reinforcing part 6 is of a square hydraulic tubular beam structure with different cross-sectional shapes, the cross-sectional dimension of the reinforcing part 6 is matched with the dimension of a closed cavity formed between the B-column reinforcing plate 2 and the B-column inner plate 4, the reinforcing piece 6 is provided with a first welding surface 7, a second welding surface 8 and a third welding surface 9, and the reinforcing piece 6 is welded and fixed with the B-column reinforcing plate 2 through the first welding surface 7, the second welding surface 8 and the third welding surface 9.
The thickness of the reinforcement 6 is 2mm, the opening 10 is formed in the reinforcement 6, and the opening 10 is used for avoiding assembly of the interior trim guard plate, the electric appliance wire harness and the external assembly parts.
One end of the reinforcing part 6 extends to the corner position of the joint of the A column and the B column along the hinge position on the B column of the automobile.
And the sheet metal gap between the non-welding surface of the reinforcing part 6 and the B-pillar reinforcing plate 2 is 4 mm.
The reinforcing piece 6 is provided with a technical lightening hole 11, the cross section of the technical lightening hole 11 is of a structure shaped like a Chinese character 'kou', and the reinforcing piece 6 is provided with a radial reinforcing rib 12.
The reinforcing member 6 is arranged along the length direction of the B-pillar reinforcing plate 2.
According to the utility model, the reinforcing part 6 is arranged between the B-pillar reinforcing plate 2 and the B-pillar inner plate 4, so that the anti-bending effect of the B-pillar during side collision can be effectively improved by using the reinforcing part 6, the B-pillar can fully absorb collision energy, and the collision safety is improved, the reinforcing part 6 is welded and fixed with the B-pillar reinforcing plate 2 by using the first welding surface 7, the second welding surface 8 and the third welding surface 9, other processes are not additionally added in the process, the simple and convenient implementation is realized, the reinforcing part 6 is arranged into a square hydraulic tubular beam structure with different cross-sectional shapes, the hydraulic forming part has the characteristics of simple die manufacturing, short period, low cost, good product quality, high shape and size precision and the like, the part with a complex shape can be formed in one process, and meanwhile, the structural strength of a vehicle body can be ensured.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a reduce B post additional strengthening of frameless door car side impact invasion volume, includes B post additional strengthening body (1), its characterized in that: the B-pillar reinforcing structure body (1) consists of a B-pillar reinforcing plate (2), a side wall outer plate (3) and a B-pillar inner plate (4), one end of the B-pillar reinforcing plate (2) is connected with an A-pillar upper inner plate (5), a reinforcing piece (6) is arranged between the B-pillar reinforcing plate (2) and the B-pillar inner plate (4), the reinforcing part (6) is of a square hydraulic tubular beam structure with different section shapes, the cross section size of the reinforcing piece (6) is matched with the size of a closed cavity formed between the B-pillar reinforcing plate (2) and the B-pillar inner plate (4), the reinforcing piece (6) is provided with a first welding surface (7), a second welding surface (8) and a third welding surface (9), the reinforcing piece (6) is fixedly welded with the B-column reinforcing plate (2) through a first welding surface (7), a second welding surface (8) and a third welding surface (9).
2. The B-pillar reinforcement structure for reducing side impact intrusion for frameless door automobiles of claim 1, wherein: the thickness of the reinforcement (6) is 1.5-2.5mm, the reinforcement (6) is provided with a hole (10), and the hole (10) is used for avoiding the assembly of the interior trim guard plate, the electrical appliance wire harness and the external assembly parts.
3. The B-pillar reinforcement structure for reducing side impact intrusion for frameless door automobiles of claim 1, wherein: one end of the reinforcing piece (6) extends to the corner position of the joint of the column A and the column B along the hinge position on the column B of the automobile.
4. The B-pillar reinforcement structure for reducing side impact intrusion for frameless door automobiles of claim 1, wherein: and a metal plate gap between the non-welding surface of the reinforcing part (6) and the B-pillar reinforcing plate (2) is 3-5 mm.
5. The B-pillar reinforcement structure for reducing side impact intrusion for frameless door automobiles of claim 1, wherein: the reinforcing piece (6) is provided with a technical lightening hole (11), the section of the technical lightening hole (11) is of a square structure, and the reinforcing piece (6) is provided with a radial reinforcing rib (12).
6. The B-pillar reinforcement structure for reducing side impact intrusion for frameless door automobiles of claim 1, wherein: the reinforcing piece (6) is arranged along the length direction of the B-pillar reinforcing plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120409877.1U CN215361558U (en) | 2021-02-25 | 2021-02-25 | B-pillar reinforcing structure for reducing side impact invasion of frameless door automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120409877.1U CN215361558U (en) | 2021-02-25 | 2021-02-25 | B-pillar reinforcing structure for reducing side impact invasion of frameless door automobile |
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| CN215361558U true CN215361558U (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120409877.1U Active CN215361558U (en) | 2021-02-25 | 2021-02-25 | B-pillar reinforcing structure for reducing side impact invasion of frameless door automobile |
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| CN (1) | CN215361558U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115092261A (en) * | 2022-07-15 | 2022-09-23 | 岚图汽车科技有限公司 | B-pillar structure for improving safety performance |
-
2021
- 2021-02-25 CN CN202120409877.1U patent/CN215361558U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115092261A (en) * | 2022-07-15 | 2022-09-23 | 岚图汽车科技有限公司 | B-pillar structure for improving safety performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Patentee after: United New Energy Automobile Co.,Ltd. Address before: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Patentee before: Hozon New Energy Automobile Co., Ltd. Address after: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Patentee after: Hozon New Energy Automobile Co., Ltd. Address before: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Patentee before: Hozon New Energy Automobile Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A B-pillar reinforcement structure to reduce the amount of side impact intrusion in frameless car doors Granted publication date: 20211231 Pledgee: Tongxiang Science and Technology Entrepreneurship Service Center Co.,Ltd. Pledgor: United New Energy Automobile Co.,Ltd. Registration number: Y2024330000709 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |