CN210760994U - Lightweight front door ring reinforcing structure - Google Patents
Lightweight front door ring reinforcing structure Download PDFInfo
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- CN210760994U CN210760994U CN201920988686.8U CN201920988686U CN210760994U CN 210760994 U CN210760994 U CN 210760994U CN 201920988686 U CN201920988686 U CN 201920988686U CN 210760994 U CN210760994 U CN 210760994U
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Abstract
The utility model discloses a lightweight front door ring reinforcing structure, which comprises a lower column A reinforcing plate, a column A reinforcing plate and a column B reinforcing plate which are connected by welding; the cross section of the A-column reinforcing plate is in a shape of a Chinese character 'ji', and two ends of the A-column reinforcing plate are respectively welded with the A-column outer plate and the A-column inner plate; the section of the upper part of the B-column reinforcing plate is bowl-shaped, the bottom of the bowl is a plane, the bowl body part is wavy, and two ends of the bowl body part are respectively welded with the B-column outer plate and the B-column inner plate; the cross section of the lower part of the B-column reinforcing plate is U-shaped, the bottom of the U-shaped is a plane, the two sides of the U-shaped are vertical, and the upper part of the U-shaped is respectively connected with the B-column outer plate and the B-column inner plate in a welding mode through flanges. The utility model discloses in the structure, shape and cooperation relation through A post reinforcing plate, B post reinforcing plate have improved bulk strength, and then, under the unchangeable circumstances of bulk strength, can reduce material thickness to effectively reduce weight. Collision and weight are taken into account to this structure, and not only do benefit to safety but also be favorable to the lightweight.
Description
Technical Field
The utility model belongs to the technical field of the body structure, concretely relates to door ring additional strengthening before lightweight.
Background
The current environmental pollution and energy consumption become the urgent problem to be solved in the world, and reducing the self weight of the automobile through the light weight of the automobile is an effective means for reducing the oil consumption of the automobile, but along with the increasingly rigorous collision regulations, the research on how to ensure and improve the collision performance of the automobile body while reducing the weight of the automobile body becomes the subject of the automobile industry research.
The A, B columns of the automobile body play an important role in protecting the passenger compartment in the collision process of the automobile, and in order to solve the problem of light weight of the automobile and improve the collision performance of the automobile body, a light-weight front door ring reinforcing structure is developed, so that the collision capacity of the side face of the automobile body is improved, and the weight of the automobile body is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a door ring additional strengthening before lightweight to reduce automobile body weight.
The utility model discloses a realize through following technical scheme: the utility model provides a door ring additional strengthening before lightweight which characterized in that: the method comprises the following steps: the reinforcing plate of the A lower column is welded with the reinforcing plate of the A column, and the reinforcing plate of the A column is welded with the reinforcing plate of the B column; a door hinge reinforcing plate and a door hinge mounting plate are welded on the B column reinforcing plate;
the cross section of the A-column reinforcing plate is in a shape of a Chinese character 'ji', and two ends of the A-column reinforcing plate are respectively welded with the A-column outer plate and the A-column inner plate; the section of the upper part of the B-column reinforcing plate is bowl-shaped, the bottom of the bowl is a plane, the bowl body part is wavy, and two ends of the bowl body part are respectively welded with the B-column outer plate and the B-column inner plate;
the cross section of the lower part of the B-column reinforcing plate is U-shaped, the bottom of the U-shaped is a plane, the two sides of the U-shaped are vertical, and the upper part of the U-shaped is respectively connected with the B-column outer plate and the B-column inner plate in a welding mode through flanges.
Further: and the upper part of the B-column reinforcing plate is welded and connected with a B-column reinforcing piece. The B-pillar reinforcement is reversely buckled on the upper part of the B-pillar reinforcement plate and is welded and connected.
Further: the A column reinforcing plate and the B column reinforcing plate are made of ultra-high strength hot forming materials.
Further: the A column reinforcing plate is a hot-formed steel plate with the thickness of 1.2 mm; the B-pillar reinforcing plate is a hot-formed steel plate with the thickness of 1.5 mm.
The utility model has the advantages that: in this structure, through the shape and the cooperation relation of A post reinforcing plate, B post reinforcing plate, improved the bulk strength, can effectively reduce the invasion volume and the invasion speed of side impact in-process. Furthermore, under the condition that the overall strength is not changed, the material grade and the material thickness of the B column inner plate, the door hinge reinforcing plate and the door hinge mounting plate can be reduced, the outer contour size is reduced, and therefore the weight of parts is effectively reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a B-pillar reinforcing plate of the present invention;
FIG. 3 is a schematic view of the inner layer structure of the B-pillar reinforcing plate of the present invention;
FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 5 is a schematic cross-sectional view taken at B-B in FIG. 1;
fig. 6 is a schematic sectional view at C-C in fig. 1.
The sequence numbers in the figures illustrate: the structure comprises a lower column A reinforcing plate 1, a column A reinforcing plate 2, a column B reinforcing plate 3, a door hinge reinforcing plate 4, a door hinge mounting plate 5, a column B inner plate 6, a column B reinforcing piece 7, a column A inner plate 8 and a side wall outer plate 9.
Detailed Description
As shown in fig. 1-6, the present invention provides a light front door ring reinforced structure, which comprises: the reinforcing plate comprises a lower column A reinforcing plate 1, a column A reinforcing plate 2 and a column B reinforcing plate 3, wherein the lower column A reinforcing plate is welded with the column A reinforcing plate, and the column A reinforcing plate is welded with the column B reinforcing plate; a door hinge reinforcing plate 4 and a door hinge mounting plate 5 are arranged on the B column reinforcing plate;
the cross section of the A-column reinforcing plate is in a shape like a Chinese character 'ji', and two ends of the A-column reinforcing plate are respectively welded with an A-column outer plate (namely a side wall outer plate 9 at the position of the A-column) and an A-column inner plate 8; the cross section of the upper part of the B-column reinforcing plate is bowl-shaped, the bottom of the bowl is a plane, the bowl body part is wavy, and two ends of the bowl body part are respectively welded and connected with a B-column outer plate (namely a side wall outer plate 9 at the position of the B-column) and a B-column inner plate;
the cross section of the lower part of the B-column reinforcing plate is U-shaped, the bottom of the U-shaped is a plane, the two sides of the U-shaped are vertical, and the upper part of the U-shaped is respectively connected with the B-column outer plate and the B-column inner plate 6 in a welding mode through flanges.
Preferably: the upper part of the B-column reinforcing plate is welded and connected with a B-column reinforcing piece 7, the B-column reinforcing piece is reversely buckled on the upper part of the B-column reinforcing plate in a reversed shape and is welded and connected with the B-column reinforcing plate, and a cavity is formed between the B-column reinforcing plate and the B-column reinforcing plate to increase the strength of the B-column reinforcing plate.
Preferably: the A column reinforcing plate and the B column reinforcing plate are made of ultra-high strength hot forming materials, namely steel with the tensile strength of more than 1800 MPa.
Preferably: the thickness of the A column reinforcing plate is 1.2 mm; the thickness of the B-pillar reinforcing plate is 1.5 mm.
In the structure, the strength of each structure and the connection strength between the structures are improved by arranging the respective cross section shapes of the A column reinforcing plate and the B column reinforcing plate, the thickness is reduced compared with the original structure under the same using condition, the overall size of parts is reduced, and a light front door ring reinforcing structure is formed; the joint part of the A, B column is smoothly connected by adopting a spot welding mode, so that the structural strength is improved, the bending resistance of the A, B column is improved, the intrusion amount and the intrusion speed of the side surface of the vehicle body can be effectively reduced in the vehicle side collision process, and the safety of passengers is protected.
Claims (4)
1. The utility model provides a door ring additional strengthening before lightweight which characterized in that: the method comprises the following steps: the reinforcing plate of the A lower column is welded with the reinforcing plate of the A column, and the reinforcing plate of the A column is welded with the reinforcing plate of the B column; a door hinge reinforcing plate and a door hinge mounting plate are arranged on the B column reinforcing plate;
the cross section of the A-column reinforcing plate is in a shape of a Chinese character 'ji', and two ends of the A-column reinforcing plate are respectively welded with the A-column outer plate and the A-column inner plate; the section of the upper part of the B-column reinforcing plate is bowl-shaped, the bottom of the bowl is a plane, the bowl body part is wavy, and two ends of the bowl body part are respectively welded with the B-column outer plate and the B-column inner plate;
the cross section of the lower part of the B-column reinforcing plate is U-shaped, the bottom of the U-shaped is a plane, the two sides of the U-shaped are vertical, and the upper part of the U-shaped is respectively connected with the B-column outer plate and the B-column inner plate in a welding mode through flanges.
2. The light-weight front door ring reinforcing structure according to claim 1, characterized in that: the upper part of the B-column reinforcing plate is welded and connected with a B-column reinforcing piece; the B-column reinforcing piece is reversely buckled on the B-column reinforcing plate and is connected with the B-column reinforcing plate in a welding mode.
3. The light-weight front door ring reinforcing structure according to claim 1, characterized in that: the A column reinforcing plate and the B column reinforcing plate are made of ultra-high strength hot forming materials.
4. The light-weight front door ring reinforcing structure according to claim 1, characterized in that: the A column reinforcing plate is a hot-formed steel plate with the thickness of 1.2 mm; the B-pillar reinforcing plate is a hot-formed steel plate with the thickness of 1.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920988686.8U CN210760994U (en) | 2019-06-28 | 2019-06-28 | Lightweight front door ring reinforcing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920988686.8U CN210760994U (en) | 2019-06-28 | 2019-06-28 | Lightweight front door ring reinforcing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210760994U true CN210760994U (en) | 2020-06-16 |
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ID=71055561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920988686.8U Expired - Fee Related CN210760994U (en) | 2019-06-28 | 2019-06-28 | Lightweight front door ring reinforcing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210760994U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112776893A (en) * | 2021-01-29 | 2021-05-11 | 浙江零跑科技有限公司 | B-pillar side collision structure of frameless door automobile |
| CN115056856A (en) * | 2022-06-30 | 2022-09-16 | 重庆长安汽车股份有限公司 | Preceding door ring structure, side wall assembly and vehicle |
| CN115401429A (en) * | 2022-10-14 | 2022-11-29 | 重庆至信实业集团有限公司 | Integrated molding method and mold for automobile door ring |
-
2019
- 2019-06-28 CN CN201920988686.8U patent/CN210760994U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112776893A (en) * | 2021-01-29 | 2021-05-11 | 浙江零跑科技有限公司 | B-pillar side collision structure of frameless door automobile |
| CN115056856A (en) * | 2022-06-30 | 2022-09-16 | 重庆长安汽车股份有限公司 | Preceding door ring structure, side wall assembly and vehicle |
| CN115401429A (en) * | 2022-10-14 | 2022-11-29 | 重庆至信实业集团有限公司 | Integrated molding method and mold for automobile door ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 |