CN215904611U - Light threshold reinforcing structure beneficial to small offset collision performance - Google Patents
Light threshold reinforcing structure beneficial to small offset collision performance Download PDFInfo
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- CN215904611U CN215904611U CN202120030830.4U CN202120030830U CN215904611U CN 215904611 U CN215904611 U CN 215904611U CN 202120030830 U CN202120030830 U CN 202120030830U CN 215904611 U CN215904611 U CN 215904611U
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- threshold
- doorsill
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- reinforcing
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Abstract
The utility model discloses a lightweight threshold reinforcing structure beneficial to small offset collision performance, which comprises a threshold beam, wherein a threshold beam reinforcing plate and a threshold beam reinforcing plate partition plate are arranged on the threshold beam; the front surface of the doorsill beam reinforcing plate is provided with a step part, and a reinforcing cavity is formed between the step part and the doorsill beam; threshold roof beam reinforcing plate baffle has the baffle openly and follows the baffle side that the positive border of baffle extended the formation to its normal direction, the baffle side with threshold roof beam reinforcing plate is connected, the baffle openly with the opening orientation that the baffle side formed the length direction of threshold roof beam. By adopting the utility model, the deformation of the threshold beam can be reduced in the collision process, and a driver is protected.
Description
Technical Field
The utility model relates to the field of automobile frame design, in particular to a lightweight doorsill reinforcing structure beneficial to small offset collision performance.
Background
At present, the safety performance requirements of each vehicle enterprise on the vehicle body are higher and higher, and the attention of consumers on the safety of vehicle collision is higher and higher. Therefore, how to improve the collision performance of the vehicle body structure while satisfying the design tempo of the vehicle body is an important technical problem.
In a 25% small offset collision test launched in 2012 by the IIHS (national highway insurance safety association), because an overlapping area becomes small, a front longitudinal beam designed for collapse energy absorption cannot participate in a collision process, a barrier becomes a rigid barrier, and the collision speed is increased to 65km/h, so that the effect of the strength and stability improvement of a side wall front reinforcing structure on 25% small offset collision is more remarkable.
The existing vehicle rabbet improves the strength of a doorsill by arranging a large doorsill beam reinforcing plate, such as the doorsill beam reinforcing plate 1' shown in figure 1. The design has more weight increase and high cost; in addition, if the sill beam reinforcing plate with the conventional thickness is adopted, the bending resistance of the corresponding section is poor; if the stock thickness and strength grade are increased, the weight and production cost need to be further increased.
Disclosure of Invention
The utility model aims to solve the technical problem of insufficient strength of the existing threshold, and provides a lightweight threshold reinforcing structure which is beneficial to small offset collision performance, so that deformation of a threshold beam can be reduced in the collision process, and a driver is protected.
In order to solve the technical problems, the utility model provides a lightweight threshold reinforcing structure beneficial to small offset collision performance, which comprises a threshold beam, wherein a threshold beam reinforcing plate and a threshold beam reinforcing plate partition plate are arranged on the threshold beam;
the front surface of the doorsill beam reinforcing plate is provided with a step part, and a reinforcing cavity is formed between the step part and the doorsill beam;
threshold roof beam reinforcing plate baffle has the baffle openly and follows the baffle side that the positive border of baffle extended the formation to its normal direction, the baffle side with threshold roof beam reinforcing plate is connected, the baffle openly with the opening orientation that the baffle side formed the length direction of threshold roof beam. Threshold roof beam reinforcing plate baffle adopts high strength steel material to make, plays and maintains threshold Z to stability and promotes and just bump X to intensity effect, is in whole plate left side front region, all adopt welded fastening between threshold roof beam, threshold roof beam reinforcing plate and the threshold roof beam reinforcing plate baffle.
As an improvement of the above scheme, the inside concave recess in front of threshold roof beam reinforcing plate forms the spacing groove of threshold roof beam reinforcing plate baffle, threshold roof beam reinforcing plate baffle is fixed to be located in the spacing groove of threshold roof beam reinforcing plate, the baffle side with the tank bottom butt in spacing groove.
As an improvement of the above scheme, the doorsill beam reinforcing plate is fixedly arranged at a preset position of the doorsill beam, the limiting grooves are arranged on the doorsill beam reinforcing plate at intervals and preset distances, and the doorsill beam reinforcing plate partition plates are arranged in the corresponding limiting grooves according to requirements.
As a refinement of the above, the bulkhead front face of the rocker reinforcement bulkhead has an escape area that matches the shape of the step of the rocker reinforcement.
As an improvement of the above aspect, the bulkhead side surface located in the escape area abuts against a surface of a step portion of the rocker reinforcement panel.
As an improvement of the scheme, the front face of the partition plate of the doorsill beam reinforcing plate partition plate is provided with a reinforcing convex strip, and the reinforcing convex strip is transversely arranged.
As an improvement of the scheme, the reinforcing convex strips are two in number and are arranged on the front face of the partition plate of the doorsill beam reinforcing plate in parallel.
As an improvement of the above aspect, one end of one reinforcing bead is located in the avoidance region.
As an improvement of the scheme, the doorsill beam reinforcing plate partition plates are arranged on the doorsill beam reinforcing plate at a preset distance from each other.
As a modification of the above scheme, the distance between the doorsill beam reinforcing plate partition plates is 100-120 mm.
The implementation of the utility model has the following beneficial effects:
by adopting the scheme, the stepped part is arranged on the front surface of the doorsill beam reinforcing plate, so that a cavity structure can be formed by the doorsill beam reinforcing plate and the doorsill beam, and the structure is more stable; three support baffles adopt high strength steel material, play and maintain threshold Z to stability and promote and just bump X to intensity effect, can reduce the deformation of threshold roof beam at the collision in-process, protect the driver.
The doorsill beam reinforcing plate and the doorsill beam reinforcing plate partition plate are small in parts and light in weight, and production cost can be effectively controlled. The position of threshold roof beam reinforcing plate baffle can be in nimble adjustment in the threshold roof beam reinforcing plate can be to different motorcycle types, can strengthen the regional weak.
Drawings
FIG. 1 is a schematic view of a prior art rocker structure;
FIG. 2 is a schematic view of an assembled state of a lightweight sill reinforcing structure of the present invention that facilitates low offset crash performance;
FIG. 3 is a schematic view of the sill beam of the present invention;
FIG. 4 is a schematic structural view of the rocker reinforcement panel of the present invention;
FIG. 5 is a schematic structural view of the rocker reinforcement panel bulkhead of the present invention;
fig. 6 is a schematic view of fig. 2 taken along a-a.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the utility model is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the utility model.
As shown in fig. 2 to 6, an embodiment of the present invention provides a light-weight threshold reinforcement structure beneficial to small offset collision performance, including a threshold beam 1, where the threshold beam 1 is provided with a threshold beam reinforcement plate 2 and a threshold beam reinforcement plate partition plate 3;
the front face of the rocker reinforcement panel 2 has a step 21 and the front face of the rocker reinforcement panel 2 is recessed inwardly to form a restraint groove 22 of the rocker reinforcement panel bulkhead 3;
threshold roof beam reinforcing plate baffle 3 has baffle front 31 and follows the baffle side 32 that the border of baffle front 31 extends the formation to its normal direction, threshold roof beam reinforcing plate baffle 3 is fixed to be located in the spacing groove 22 of threshold roof beam reinforcing plate, baffle side 32 with the tank bottom butt of spacing groove 22.
The doorsill beam reinforcing plate 2 is fixedly arranged at a preset position of the doorsill beam 1, the limiting grooves 22 are arranged on the doorsill beam reinforcing plate 2 at intervals of a preset distance, and the doorsill beam reinforcing plate partition plates 3 are arranged in the corresponding limiting grooves 22 as required. A strengthening cavity 4 is formed between the threshold beam 1 and the threshold beam reinforcing plate 2.
By adopting the scheme, the stepped part 21 is arranged on the front surface of the doorsill beam reinforcing plate, so that a cavity structure can be formed by the doorsill beam reinforcing plate and the doorsill beam 1, and the structure is more stable; three support baffles adopt high strength steel material, play and maintain threshold Z to stability and promote and just bump X to intensity effect, can reduce threshold roof beam 1's deformation at the collision in-process, protect the driver. The parts of the sill beam reinforcing plate 2 and the sill beam reinforcing plate partition plate 3 are small and light, and the production cost can be effectively controlled. The position of threshold roof beam reinforcing plate baffle 3 can be in nimble adjustment in the threshold roof beam reinforcing plate 2, to different motorcycle types, can strengthen weaker region. For example, in the collision process, the seat cross beam can form Y-direction shearing force and bending moment to cause the bending of the threshold beam 1, the position of the platform vehicle seat is correspondingly adjusted according to the vehicle size and the man-machine requirement, the threshold beam reinforcing plate partition plate 3 can be adjusted along with the position of the cross beam, the structural design is more flexible, the platform is more favorable, and the structure is stable and reliable through collision analysis.
Preferably, the bulkhead front face 31 of the rocker reinforcement bulkhead 3 has an escape area 33 that matches the shape of the step 21 of the rocker reinforcement. The size of the moment of inertia of the cross section of one component is related to the size and shape surrounded by the material dA, the size is represented by the distance from the centroid of dA, the shape represents the distribution of dA, and the bending resistance in a certain direction represented by the corresponding cross section can be more excellent by adjusting the structural size and shape. The relief area 33 thus increases the moment of inertia of the sill beam reinforcement 3 in cross section and increases the torsional resistance of the overall structure.
On the other hand, the bulkhead side 32 located in the escape region 33 abuts against the surface of the step portion 21 of the rocker reinforcement panel, and the wall surface of the reinforcement cavity 4 can be reinforced, which is equivalent to thickening the wall surface of the reinforcement cavity 4 at intervals, thereby further reinforcing the torsional strength of the reinforcement cavity 4.
In order to increase the torsional strength of the rocker beam gusset 3 itself without increasing the weight of the rocker beam gusset 3, a reinforcement bead 34 is provided on the front face 31 of the rocker beam gusset 3, the reinforcement bead 34 being disposed transversely. Preferably, there are two reinforcing beads 34, which are disposed parallel to each other on the bulkhead front face 31 of the rocker reinforcement bulkhead 3. One end of the reinforcing convex strip 34 is located in the avoidance area 33, the avoidance area 33 is connected with the front face of the doorsill beam reinforcing plate partition plate 3, the weak stressed area of the front face is eliminated, and the mechanical property of the doorsill beam reinforcing plate partition plate 3 is more excellent.
According to an embodiment of the utility model, the rocker reinforcement panel 3 comprises three pieces, which are arranged on the rocker reinforcement panel 2 at a predetermined distance from each other. Three threshold roof beam reinforcing plate baffles 3 can effectively restrict the collapse space of threshold roof beam 1, prevent the threshold upset, reduce the automobile body structure invasion volume. The distance between the doorsill beam reinforcing plate partition plates is 100 mm and 120mm so as to form a support with enough strength.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model.
Claims (10)
1. A lightweight threshold reinforcing structure beneficial to small offset collision performance comprises a threshold beam and is characterized in that a threshold beam reinforcing plate and a threshold beam reinforcing plate partition plate are arranged on the threshold beam;
the front surface of the doorsill beam reinforcing plate is provided with a step part, and a reinforcing cavity is formed between the step part and the doorsill beam;
threshold roof beam reinforcing plate baffle has the baffle openly and follows the baffle side that the positive border of baffle extended the formation to its normal direction, the baffle side with threshold roof beam reinforcing plate is connected, the baffle openly with the opening orientation that the baffle side formed the length direction of threshold roof beam.
2. The doorsill reinforcement structure facilitating small offset collision performance of claim 1, wherein the front surface of the doorsill beam reinforcement plate is recessed inward to form a limiting groove of the doorsill beam reinforcement plate partition, the doorsill beam reinforcement plate partition is fixedly arranged in the limiting groove of the doorsill beam reinforcement plate, and the side surface of the partition abuts against the bottom of the limiting groove.
3. The doorsill reinforcement structure facilitating small offset collision performance of claim 2, wherein the doorsill beam reinforcement plate is fixedly disposed at a predetermined position of the doorsill beam, the limiting grooves are disposed on the doorsill beam reinforcement plate at a predetermined distance from each other, and the doorsill beam reinforcement plate separation plates are disposed in the corresponding limiting grooves as required.
4. A rocker reinforcement structure for facilitating light weight collision with a small offset collision as defined in any one of claims 1 to 3, wherein the bulkhead front face of the rocker beam gusset panel has an escape region matching the shape of the step portion of the rocker beam gusset.
5. The rocker reinforcement structure of claim 4, wherein the bulkhead side of the escape area abuts against a surface of the step of the rocker beam stiffener.
6. A doorsill reinforcing structure for reducing the weight of a doorsill reinforcing structure facilitating small offset collision of a vehicle door according to claim 4, wherein a reinforcing rib is provided on the front surface of the partition plate of the doorsill reinforcing panel, and the reinforcing rib is provided in the lateral direction.
7. A doorsill reinforcing structure facilitating small offset collision performance in a lightweight construction in accordance with claim 6, wherein said reinforcing beads are provided in a total of two in parallel to each other on a bulkhead front face of said rocker beam gusset panel.
8. A light-weight rocker reinforcement structure facilitating small-offset collision performance as set forth in claim 6, wherein one end of one of said reinforcing beads is located in said escape region.
9. A threshold reinforcement structure of a light weight facilitating a small offset collision performance in accordance with claim 1, wherein the threshold beam stiffener is provided on the threshold beam stiffener at a predetermined distance from each other with three pieces of the threshold beam stiffener partitioning plate.
10. A light-weight rocker reinforcement structure facilitating small offset collision performance as defined in claim 1, wherein the rocker beam gusset plate partitions are spaced at intervals of 100 and 120 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120030830.4U CN215904611U (en) | 2021-01-06 | 2021-01-06 | Light threshold reinforcing structure beneficial to small offset collision performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120030830.4U CN215904611U (en) | 2021-01-06 | 2021-01-06 | Light threshold reinforcing structure beneficial to small offset collision performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215904611U true CN215904611U (en) | 2022-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120030830.4U Active CN215904611U (en) | 2021-01-06 | 2021-01-06 | Light threshold reinforcing structure beneficial to small offset collision performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215904611U (en) |
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2021
- 2021-01-06 CN CN202120030830.4U patent/CN215904611U/en active Active
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