CN220465618U - Threshold beam with double energy absorption performance and automobile - Google Patents
Threshold beam with double energy absorption performance and automobile Download PDFInfo
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- CN220465618U CN220465618U CN202320873093.3U CN202320873093U CN220465618U CN 220465618 U CN220465618 U CN 220465618U CN 202320873093 U CN202320873093 U CN 202320873093U CN 220465618 U CN220465618 U CN 220465618U
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 63
- 230000003014 reinforcing effect Effects 0.000 claims description 86
- 230000009977 dual effect Effects 0.000 claims description 15
- 230000002787 reinforcement Effects 0.000 claims 21
- 238000005728 strengthening Methods 0.000 claims 7
- 238000000034 method Methods 0.000 description 3
- 239000003351 stiffener Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000004200 deflagration Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation 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
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of automobile door beams, and particularly relates to an automobile door sill beam with double energy absorption performance and an automobile. The utility model can improve the driving safety of the automobile, improve the collision capacity of the threshold beam of the automobile body and reduce the probability of ignition of the battery pack in the accident of the electric automobile.
Description
Technical Field
The utility model relates to the technical field of automobile door beams, in particular to a door sill beam with double energy absorption performance and an automobile.
Background
From fuel automobile to pure electric automobile, when changing the energy of driving automobile, pure electric automobile body chassis's layout form also has very big difference with fuel automobile, current pure electric automobile's power battery package's mainstream arrangement scheme is setting up under automobile body floor crossbeam, this layout form is when the car receives the side collision, very easily makes power battery package scatter, positive negative pole contact can make battery package short circuit, there is the spark production in the short circuit twinkling of an eye, with a large amount of heats, very easily cause deflagration or explosion, and this kind of deflagration phenomenon is from inside to outside diffusion of automobile body, extremely safe threat has been caused the driver.
At present, most of threshold beams of automobile bodies adopt a solution of arranging a plurality of energy absorbing areas, when an automobile collides laterally, uneven collision force distribution often occurs due to concentrated collision force, so that local areas of the threshold beams bear higher collision energy, the energy absorbing areas collapse and energy absorption cannot be fully utilized, and accordingly, the higher concentrated energy is transmitted to a power battery pack, and the probability of causing the power battery pack to fire is greatly increased.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.
Therefore, the utility model aims to provide the automobile door sill beam with double energy absorption performance and the automobile, which can improve the driving safety of the automobile, improve the collision capacity of the automobile door sill beam and reduce the probability of ignition of a battery pack in an electric automobile accident.
In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
an automotive rocker beam having dual energy absorbing properties, comprising: the energy-absorbing cavity is formed in the threshold beam assembly, a first lap joint surface is formed in the left side of the threshold beam assembly, a second lap joint surface is formed in the top end of the threshold beam assembly, a first energy-absorbing surface is formed in the right side of the threshold beam assembly, the first lap joint surface comprises a first longitudinal reinforcing rib, a transverse reinforcing rib and a second longitudinal reinforcing rib which are arranged on the left side of the threshold beam assembly, the second lap joint surface comprises a first top wall, a second top wall and a third longitudinal reinforcing rib which are arranged on the right side of the threshold beam assembly, an external longitudinal reinforcing rib is fixedly connected to the upper left corner of the second lap joint surface, the first energy-absorbing surface comprises a second top wall, a third longitudinal reinforcing rib which is arranged on the right side of the threshold beam assembly, and a reinforcing rib which is arranged at the bottom of the threshold beam assembly, and the first top wall, the second top wall, the third longitudinal reinforcing rib, the second longitudinal reinforcing rib and the transverse reinforcing rib are integrally manufactured.
As a preferred solution of the present utility model, an automobile rocker beam with dual energy absorption performance, wherein: and a fourth longitudinal reinforcing rib is fixedly connected between the first top wall and the transverse reinforcing rib, and a first energy absorption cavity is arranged among the first top wall, the transverse reinforcing rib, the first longitudinal reinforcing rib and the fourth longitudinal reinforcing rib of the threshold beam assembly.
As a preferred solution of the present utility model, an automobile rocker beam with dual energy absorption performance, wherein: and a second transverse reinforcing rib is fixed between the fourth longitudinal reinforcing rib and the second top wall, and a second energy absorption cavity is arranged among the second top wall, the fourth longitudinal reinforcing rib and the second transverse reinforcing rib.
As a preferred solution of the present utility model, an automobile rocker beam with dual energy absorption performance, wherein: the third transverse reinforcing ribs are fixedly connected between the second longitudinal reinforcing ribs and the third longitudinal reinforcing ribs, and a third energy absorption cavity is arranged among the second longitudinal reinforcing ribs, the second transverse reinforcing ribs, the third transverse reinforcing ribs and the third longitudinal reinforcing ribs.
As a preferred solution of the present utility model, an automobile rocker beam with dual energy absorption performance, wherein: the bottom of the second longitudinal reinforcing rib is provided with a fifth longitudinal reinforcing rib, and a fourth energy absorption cavity is arranged among the fifth longitudinal reinforcing rib, the third transverse reinforcing rib and the reinforcing rib.
As a preferred solution of the present utility model, an automobile rocker beam with dual energy absorption performance, wherein: the second reinforcing ribs are fixedly connected to the two sides of the inner side of the third energy absorption cavity, and the two energy absorption springs are connected to the third energy absorption cavity.
As a preferred solution of the present utility model, an automobile rocker beam with dual energy absorption performance, wherein: the spring frame is connected between the third energy absorption cavity and the energy absorption spring, a pre-opening hole is formed in the spring frame, and the spring frame and the threshold beam assembly are riveted through the pre-opening hole.
An automobile includes a rocker assembly.
Compared with the prior art, the utility model has the beneficial effects that:
1. the energy-absorbing springs are arranged in the threshold beams, so that the left cavity is subjected to crumple deformation when side collision occurs, the energy-absorbing springs in the cavity compress and absorb collision energy, and the collision energy transferred to the battery pack is effectively reduced through the double energy-absorbing structure;
2. the three energy absorption cavities at the right part of the threshold beam are designed in an arch-shaped combination way, and when side collision occurs, the left arch-shaped combination cavity is deformed in a combination way, so that collision energy can be uniformly spread, and the threshold beam has higher collision bearing capacity.
3. The utility model adopts high-strength aluminum alloy material, and compared with the traditional steel scheme, the utility model can reduce weight and has obvious light weight effect.
4. The threshold beam is manufactured by adopting an extrusion process, has high dimensional accuracy of parts and consistent section structure, can be expanded along the length direction, and meets the development requirements of different axial distance platform vehicle types.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description will be given with reference to the accompanying drawings and detailed embodiments, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive faculty for a person skilled in the art. Wherein:
FIG. 1 is a schematic view of a threshold beam assembly of the present utility model;
FIG. 2 is a schematic view of the faying surface of the sill beam and outer member of the present utility model;
FIG. 3 is a schematic view of the energy absorption cavities of the sill beam of the present utility model;
FIG. 4 is a schematic view of the installation and distribution of the energy-absorbing springs of the threshold beam of the present utility model;
FIG. 5 is a front view of the spring holder structure of the present utility model;
fig. 6 is a side view of the spring carrier structure of the present utility model.
In the figure:
1. a threshold beam assembly; 2. a first top wall; 3. a first longitudinal stiffener; 4. a second top wall; 5. external longitudinal reinforcing ribs; 6. transverse reinforcing ribs; 7. fourth longitudinal reinforcing ribs; 8. second longitudinal reinforcing ribs; 9. a third longitudinal stiffener; 10. second transverse reinforcing ribs; 11. a third transverse stiffener; 12. reinforcing ribs; 13. fifth longitudinal reinforcing ribs; 14 spring frames; 15 second reinforcing ribs; 16 energy absorbing springs.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1-6, the utility model provides an automobile door sill beam with dual energy absorption performance and an automobile, comprising a door sill beam assembly 1, wherein a plurality of energy absorption cavities are formed in the door sill beam assembly 1, a first lap joint surface is arranged on the left side of the door sill beam assembly 1, a second lap joint surface is arranged on the top end of the door sill beam assembly 1, a first energy absorption surface is arranged on the right side of the door sill beam assembly 1, the first lap joint surface comprises a first longitudinal reinforcing rib 3, a transverse reinforcing rib 6 and a second longitudinal reinforcing rib 8 which are arranged on the left side of the door sill beam assembly 1, the second lap joint surface comprises a first top wall 2 and a second top wall 4 which are arranged on the top end of the door sill beam assembly 1 and a third longitudinal reinforcing rib 9 which is arranged on the right side of the door sill assembly 1, the first longitudinal reinforcing rib 4, the second longitudinal reinforcing rib 12 which is arranged on the bottom of the door sill assembly 1, and the first longitudinal reinforcing rib 4, the second longitudinal reinforcing rib 6 and the first longitudinal reinforcing rib 8 are integrally formed.
Further, a fourth longitudinal reinforcing rib 7 is fixedly connected between the first top wall 2 and the transverse reinforcing rib 6, and a first energy absorption cavity is arranged among the first top wall 2, the transverse reinforcing rib 6, the first longitudinal reinforcing rib 3 and the fourth longitudinal reinforcing rib 7 of the threshold beam assembly 1.
Further, a second transverse reinforcing rib 10 is fixed between the fourth longitudinal reinforcing rib 7 and the second top wall 4, and a second energy absorption cavity is arranged among the second top wall 4, the fourth longitudinal reinforcing rib 7 and the second transverse reinforcing rib 10.
Further, a third transverse reinforcing rib 11 is fixedly connected between the second longitudinal reinforcing rib 8 and the third longitudinal reinforcing rib 9, and a third energy absorption cavity is arranged among the second longitudinal reinforcing rib 8, the second transverse reinforcing rib 10, the third transverse reinforcing rib 11 and the third longitudinal reinforcing rib 9.
Further, a fifth longitudinal reinforcing rib 13 is arranged at the bottom of the second longitudinal reinforcing rib 8, and a fourth energy absorption cavity is arranged among the fifth longitudinal reinforcing rib 13, the third transverse reinforcing rib 11 and the reinforcing rib 12.
In this embodiment, rounded corners are disposed around each energy absorption cavity on the threshold beam assembly to reduce stress concentration.
Further, the two sides of the inner side of the third energy absorption cavity are fixedly connected with second reinforcing ribs 15, and the third energy absorption cavity is connected with two energy absorption springs 16.
Further, a spring frame 14 is connected between the third energy absorption cavity and the energy absorption spring 16, a pre-opening is formed in the spring frame 14, and the spring frame 14 and the threshold beam assembly 1 are riveted through the pre-opening.
In this embodiment, the sill assembly 1 is made of an aluminum alloy material through an extrusion process.
In this embodiment, a pair of second reinforcing ribs 15 is disposed in the third energy absorption cavity of the threshold beam assembly 1, and the thickness of the second reinforcing ribs 15 is 2 mm-4 mm.
In this embodiment, the thicknesses of the second top wall 4, the third longitudinal reinforcing ribs 9 and the reinforcing ribs 12 of the threshold beam assembly 1 are 2.5 mm-3 mm. The threshold beam assembly 1 comprises a first top wall 2, a first longitudinal reinforcing rib 3, an outer longitudinal reinforcing rib 5, a transverse reinforcing rib 6, a fourth longitudinal reinforcing rib 7, a second longitudinal reinforcing rib 8, a second transverse reinforcing rib 10, a third transverse reinforcing rib 11 and a fifth longitudinal reinforcing rib 13, wherein the thickness of the materials is 2 mm-2.5 mm;
an automobile includes a rocker assembly 1.
When the vehicle is subjected to side collision, as the first contact surface is the first energy absorption surface, the arch structure of the first energy absorption surface can effectively distribute the side collision energy of the vehicle to the second energy absorption cavity, the third energy absorption cavity and the fourth energy absorption cavity. Because the third energy absorption cavity is provided with the pair of energy absorption springs, the energy absorption springs can effectively absorb the side impact energy transferred by the first energy absorption surface for the second time, and the energy is prevented from being further transferred to the battery pack. The first energy absorption cavity is arranged at the rear part of the threshold beam, and can absorb residual energy remained after the second energy absorption cavity, the third energy absorption cavity and the fourth energy absorption cavity are further absorbed. The method and the device improve the driving safety of the electric automobile and reduce the probability of ignition of the battery pack after the electric automobile accident.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. The utility model provides an automobile threshold roof beam with dual energy-absorbing performance, includes threshold roof beam assembly (1), a serial communication port, offer a plurality of energy-absorbing cavity in threshold roof beam assembly (1), threshold roof beam assembly (1) left side is equipped with first overlap plane, threshold roof beam assembly (1) top is equipped with the second overlap plane, threshold roof beam assembly (1) right side is equipped with first energy-absorbing face, first overlap plane is including locating first vertical strengthening rib (3), horizontal strengthening rib (6) and the vertical strengthening rib of second (8) in threshold roof beam assembly (1) left side, the second overlap plane is including locating first roof (2), second roof (4) on threshold roof beam assembly (1) top and locating third vertical strengthening rib (9) on threshold roof beam assembly (1) right side, second overlap plane upper left corner fixedly connected with outside vertical strengthening rib (5), first energy-absorbing face sets up in second roof (4) on threshold roof beam assembly (1) top, sets up in first vertical strengthening rib (12), second roof wall (12), second roof beam assembly (12), third vertical strengthening rib (12) on threshold roof beam assembly top, the transverse reinforcing rib (6) and the first longitudinal reinforcing rib (3) are integrally manufactured.
2. An automotive rocker beam with dual energy absorption performance according to claim 1, characterized in that a fourth longitudinal reinforcement (7) is fixedly connected between the first top wall (2) and the transverse reinforcement (6), and a first energy absorption cavity is arranged between the first top wall (2), the transverse reinforcement (6), the first longitudinal reinforcement (3) and the fourth longitudinal reinforcement (7) of the rocker assembly (1).
3. An automotive rocker beam with dual energy absorption according to claim 2, characterized in that a second transverse reinforcement (10) is fixed between the fourth longitudinal reinforcement (7) and the second top wall (4), and that a second energy absorption cavity is provided between the second top wall (4), the fourth longitudinal reinforcement (7) and the second transverse reinforcement (10).
4. A car sill beam with dual energy absorbing properties according to claim 3, characterized in that a third transverse reinforcement (11) is fixedly connected between the second longitudinal reinforcement (8) and the third longitudinal reinforcement (9), and a third energy absorbing cavity is arranged between the second longitudinal reinforcement (8), the second transverse reinforcement (10), the third transverse reinforcement (11) and the third longitudinal reinforcement (9).
5. An automotive rocker beam with dual energy absorption according to claim 4, characterized in that the bottom of the second longitudinal reinforcement (8) is provided with a fifth longitudinal reinforcement (13), and that a fourth energy absorption cavity is provided between the fifth longitudinal reinforcement (13), the third transverse reinforcement (11) and the reinforcement (12).
6. An automotive rocker beam with dual energy absorption according to claim 4, characterized in that the second reinforcing ribs (15) are fixedly connected to both sides of the inner side of the third energy absorption cavity, and two energy absorption springs (16) are connected to the third energy absorption cavity.
7. An automotive rocker beam with dual energy absorption according to claim 6, characterized in that a spring frame (14) is connected between the third energy absorption cavity and the energy absorption spring (16), the spring frame (14) is provided with a pre-opening, and the spring frame (14) and the rocker assembly (1) are riveted through the pre-opening.
8. An automobile, characterized in that: a rocker assembly (1) comprising a rocker as claimed in any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320873093.3U CN220465618U (en) | 2023-04-19 | 2023-04-19 | Threshold beam with double energy absorption performance and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320873093.3U CN220465618U (en) | 2023-04-19 | 2023-04-19 | Threshold beam with double energy absorption performance and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220465618U true CN220465618U (en) | 2024-02-09 |
Family
ID=89799282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320873093.3U Active CN220465618U (en) | 2023-04-19 | 2023-04-19 | Threshold beam with double energy absorption performance and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220465618U (en) |
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2023
- 2023-04-19 CN CN202320873093.3U patent/CN220465618U/en active Active
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