CN216805599U - Anticollision front longitudinal assembly - Google Patents
Anticollision front longitudinal assembly Download PDFInfo
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- CN216805599U CN216805599U CN202123349863.4U CN202123349863U CN216805599U CN 216805599 U CN216805599 U CN 216805599U CN 202123349863 U CN202123349863 U CN 202123349863U CN 216805599 U CN216805599 U CN 216805599U
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- energy absorption
- longitudinal beam
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- front longitudinal
- absorption box
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- 238000010521 absorption reaction Methods 0.000 claims abstract description 42
- 238000009434 installation Methods 0.000 claims abstract description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 230000001939 inductive effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an anti-collision front longitudinal beam assembly, which comprises a front longitudinal beam and an energy absorption box, wherein the front longitudinal beam is provided with a front end and a rear end; the front end part of the front longitudinal beam is provided with an installation section for installing an auxiliary frame and a collapsing section which is positioned in front of the installation section and is used for collapsing and absorbing energy; the front longitudinal beam comprises a beam main body and a protruding part which is connected to the front end part of the beam main body and protrudes downwards, and the protruding part is positioned at the lower ends of the mounting section and the collapsing section; the energy absorption box is connected to the front end part of the front longitudinal beam and is aligned with the beam main body, and the energy absorption box, the crumple section and the installation section are sequentially arranged from front to back. The utility model can increase the longitudinal height of the mounting section on the premise of meeting the weight requirement, thereby improving the connection firmness of the auxiliary frame.
Description
Technical Field
The utility model relates to an automobile safety protection device, in particular to an anti-collision front longitudinal beam assembly.
Background
At present, the auxiliary frame of the automobile needs to be connected to the front longitudinal beam, the front longitudinal beam is provided with a mounting section used for being connected with the auxiliary frame, and the weight of the whole automobile is strictly designed, so that the weight of the front longitudinal beam is also strictly limited. In order to meet the weight design requirement, the longitudinal height of the front longitudinal beam is generally designed to be smaller, so that the longitudinal height of the mounting section is smaller, which can cause the connection of the auxiliary frame on the mounting section to be weak, and if the height of the front longitudinal beam is increased, the weight of the front longitudinal beam can exceed the standard.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides an anti-collision front longitudinal beam assembly which can increase the longitudinal height of an installation section on the premise of meeting the weight requirement and further improve the connection firmness of an auxiliary frame.
In order to solve the technical problem, the technical scheme of the utility model is as follows: an anti-collision front longitudinal beam assembly comprises a front longitudinal beam and an energy absorption box; wherein,
the front end part of the front longitudinal beam is provided with an installation section for installing an auxiliary frame and a crumple section which is positioned in front of the installation section and is used for crumpling and absorbing energy;
the front longitudinal beam comprises a beam main body and a protruding part which is connected to the front end part of the beam main body and protrudes downwards, and the protruding part is positioned at the lower ends of the mounting section and the collapsing section;
the energy absorption box is connected to the front end portion of the front longitudinal beam and is arranged in an aligned mode with the beam main body, and the energy absorption box, the crumpling section and the mounting section are sequentially arranged from front to back.
The concrete structure of the beam main body, the protruding part and the energy absorption box is further provided, and the beam main body, the protruding part and the energy absorption box are all of hollow structures.
Further, in order to reinforce the structural strength of the beam main body, a first reinforcing plate extending in the front-rear direction is connected to the beam main body;
a second reinforcing plate extending along the front-back direction is connected in the energy absorption box;
the first reinforcing plate is aligned with the second reinforcing plate.
Furthermore, two first edges extending in the front-back direction are arranged at the upper end part of the beam main body;
the lower end part of the protruding part is provided with two second edges extending along the front-back direction;
and the upper end part and the lower end part of the energy absorption box are respectively provided with two third edges extending along the front-back direction.
Further in order to induce the collapse of the collapse section, the collapse section is provided with:
at least one first recess provided in the first edge;
at least one second recess provided in the second edge;
at least one left groove provided on a left side wall of the beam body;
at least one right groove disposed on a right side wall of the beam body.
And further, in order to induce the collapse of the energy absorption box, collapse holes suitable for inducing the collapse of the energy absorption box are arranged on the third edge.
Further providing a specific connection mode of the front longitudinal beam and the energy absorption box, wherein the front end part of the front longitudinal beam is connected with a first flange plate;
the rear end part of the energy absorption box is connected with a second flange plate;
the first flange plate is connected with the second flange plate so that the energy absorption box is connected to the front longitudinal beam.
Further, the first flange plate is welded on the front longitudinal beam;
the second flange plate is welded on the energy absorption box;
the first flange plate and the second flange plate are connected through bolts.
Further, the height of the energy absorption box is consistent with that of the beam main body, and the width of the energy absorption box is consistent with that of the beam main body.
After the technical scheme is adopted, due to the arrangement of the protruding parts, the longitudinal height of the installation section is increased, and when the auxiliary frame is connected to the installation section, the auxiliary frame has a larger connection area, so that the connection firmness of the auxiliary frame to the installation section can be improved. In addition, since the protruding portion is connected only to the front end portion of the beam body, the height dimensions of the beam body and the crash box are not increased, so that the overall weight is less increased, and the weight design requirements can be met. In addition, the front longitudinal beam extends along the front-back direction, when a collision accident occurs, the energy absorption box is firstly impacted to completely collapse and absorb energy, and the impact energy is transmitted to the front longitudinal beam to cause the collapse and energy absorption of the collapse section; the energy absorption boxes are arranged in an aligned mode with the beam main body, so that impact energy received by the energy absorption boxes can be transmitted to the beam main body along a linear mode, and the crumple section can be more easily crumpled and absorbed.
Drawings
FIG. 1 is an exploded view of the front rail assembly of the present invention;
fig. 2 is a side view of the front impact rail assembly of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the utility model briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in fig. 1 and 2, the front anti-collision longitudinal beam assembly comprises a front longitudinal beam 100 and an energy absorption box 200; wherein,
the front end part of the front longitudinal beam 100 is provided with an installation section 1 for installing an auxiliary frame and a collapse section 2 which is positioned in front of the installation section 1 and is used for collapsing and absorbing energy;
the front longitudinal beam 100 comprises a beam main body 3 and a protruding part 4 which is connected to the front end part of the beam main body 3 and protrudes downwards, wherein the protruding part 4 is positioned at the lower ends of the installation section 1 and the crush section 2;
the energy absorption box 200 is connected to the front end part of the front longitudinal beam 100 and is arranged in alignment with the beam main body 3, and the energy absorption box 200, the crumple section 2 and the installation section 1 are sequentially arranged from front to back; specifically, due to the arrangement of the protruding portion 4, the longitudinal height of the installation section 1 is increased, and when the auxiliary frame is connected to the installation section 1, the connection area is larger, so that the connection firmness of the auxiliary frame to the installation section 1 can be improved. Further, since the protruding portion 4 is connected only to the front end portion of the beam body 3, the height dimensions of the beam body 3 and the crash box 200 are not increased, so that the overall weight is less increased, and the weight design requirements can be satisfied. In addition, the front longitudinal beam 100 extends in the front-rear direction, when a car crash accident occurs, the energy-absorbing box 200 is firstly impacted and then completely collapses to absorb energy, and the impact energy is transmitted to the front longitudinal beam 100 to cause the collapse section 2 to collapse to absorb energy; the energy absorption boxes 200 are aligned with the beam main body 3, so that impact energy received by the energy absorption boxes 200 can be linearly transmitted to the beam main body 3, and the crumple section 2 is easier to crumple and absorb energy. Specifically, the specific structure of the subframe is the prior art well known to those skilled in the art, and is not described in detail in this embodiment.
As shown in fig. 1, the beam body 3, the protruding portion 4, and the crash box 200 may each have a hollow structure;
a first reinforcing plate 5 extending in the front-rear direction is connected to the beam main body 3;
a second reinforcing plate 6 extending in the front-rear direction is connected to the energy absorption box 200;
the first reinforcing plate 5 and the second reinforcing plate 6 are aligned so that the impact energy received by the energy-absorbing box 200 can be completely linearly transmitted to the beam body 3 through the first reinforcing plate 5 and the second reinforcing plate 6 during collision, thereby enabling the crumple section 2 to crumple and achieve better crumple energy-absorbing effect; in the present embodiment, the first reinforcing plate 5 and the second reinforcing plate 6 are horizontally and co-planarly arranged.
As shown in fig. 1 and 2, the upper end of the beam body 3 may be provided with two first edges 7 extending in the front-rear direction;
the lower end of the protruding part 4 can be provided with two second edges 8 extending along the front-back direction;
the upper end and the lower end of the crash box 200 may be respectively provided with two third edges 9 extending in the front-rear direction.
As shown in fig. 1 and 2, the crush section 2 may have:
at least one first recess 10 provided on the first edge 7;
at least one second recess 11 provided on the second edge 8;
at least one left groove provided on the left side wall of the beam body 3;
at least one right groove 12 provided on the right side wall of the beam body 3; specifically, the first recess 10, the second recess 11, the left collapsing groove and the right collapsing groove are all used for inducing the collapsing section 2 to collapse and absorb energy.
As shown in fig. 1 and 2, the third rim 9 may be provided with a collapsing hole 13 adapted to induce the energy-absorbing box 200 to collapse; in this embodiment, each third square edge 9 is provided with two collapsing holes 13.
As shown in fig. 1 and 2, a first flange plate 14 may be connected to a front end portion of the front side member 100;
the rear end of the energy absorption box 200 can be connected with a second flange plate 15;
the first flange plate 14 is connected to the second flange plate 15 so that the energy absorption box 200 is connected to the front side member 100.
In the present embodiment, the first flange plate 14 is welded to the front side member 100;
the second flange plate 15 is welded on the energy absorption box 200;
the first flange plate 14 and the second flange plate 15 are connected by bolts.
In this embodiment, the height of the crash box 200 is the same as the height of the beam body 3, and the width of the crash box 200 is the same as the width of the beam body 3, so that the crash box 200 can be aligned with the beam body 3.
The working principle of the utility model is as follows:
due to the arrangement of the protruding portion 4, the longitudinal height of the installation section 1 is increased, and when the auxiliary frame is connected to the installation section 1, the auxiliary frame has a larger connecting area, so that the connecting firmness of the auxiliary frame connected to the installation section 1 can be improved. Further, since the protruding portion 4 is connected only to the front end portion of the beam body 3, the height dimensions of the beam body 3 and the crash box 200 are not increased, so that the overall weight is less increased, and the weight design requirements can be satisfied. In addition, the front longitudinal beam 100 extends in the front-rear direction, when a car crash accident occurs, the energy-absorbing box 200 is firstly impacted and then completely collapses to absorb energy, and the impact energy is transmitted to the front longitudinal beam 100 to cause the collapse section 2 to collapse to absorb energy; the energy absorption boxes 200 are aligned with the beam main body 3, so that impact energy received by the energy absorption boxes 200 can be linearly transmitted to the beam main body 3, and the crumple section 2 is easier to crumple and absorb energy.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An anti-collision front longitudinal beam assembly is characterized by comprising a front longitudinal beam (100) and an energy absorption box (200); wherein,
the front end part of the front longitudinal beam (100) is provided with an installation section (1) for installing an auxiliary frame and a collapsing section (2) which is positioned in front of the installation section (1) and is used for collapsing and absorbing energy;
the front longitudinal beam (100) comprises a beam main body (3) and a protruding part (4) which is connected to the front end part of the beam main body (3) and protrudes downwards, and the protruding part (4) is located at the lower ends of the mounting section (1) and the collapsing section (2);
the energy absorption box (200) is connected to the front end portion of the front longitudinal beam (100) and aligned with the beam main body (3), and the energy absorption box (200), the crumpling section (2) and the mounting section (1) are sequentially arranged from front to back.
2. Front impact beam assembly according to claim 1, characterized in that the beam body (3), the nose (4) and the crash box (200) are all hollow structures.
3. The front rail assembly of claim 2,
a first reinforcing plate (5) extending in the front-rear direction is connected to the beam main body (3);
a second reinforcing plate (6) extending along the front-back direction is connected in the energy absorption box (200);
the first reinforcing plate (5) is aligned with the second reinforcing plate (6).
4. The front rail assembly of claim 1,
the upper end part of the beam main body (3) is provided with two first edges (7) extending along the front-back direction;
the lower end part of the protruding part (4) is provided with two second edges (8) extending along the front-back direction;
the upper end part and the lower end part of the energy absorption box (200) are respectively provided with two third edges (9) extending along the front-back direction.
5. An impact front longitudinal assembly according to claim 4, characterized in that the crush section (2) has disposed therein:
at least one first recess (10) provided on the first edge (7);
at least one second recess (11) provided on the second edge (8);
at least one left groove provided on a left side wall of the beam main body (3);
at least one right groove (12) provided on a right side wall of the beam body (3).
6. An impact front longitudinal beam assembly according to claim 4, characterized in that the third edge (9) is provided with a collapse hole (13) adapted to induce collapse of the energy absorption box (200).
7. The front rail assembly of claim 1,
the front end part of the front longitudinal beam (100) is connected with a first flange plate (14);
the rear end part of the energy absorption box (200) is connected with a second flange plate (15);
the first flange plate (14) is connected with the second flange plate (15) so that the energy absorption box (200) is connected to the front longitudinal beam (100).
8. The front rail assembly of claim 7,
the first flange plate (14) is welded on the front longitudinal beam (100);
the second flange plate (15) is welded on the energy absorption box (200);
the first flange plate (14) and the second flange plate (15) are connected by bolts.
9. An impact front longitudinal beam assembly according to claim 1, characterized in that the height of the crash box (200) corresponds to the height of the beam body (3) and the width of the crash box (200) corresponds to the width of the beam body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123349863.4U CN216805599U (en) | 2021-12-28 | 2021-12-28 | Anticollision front longitudinal assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123349863.4U CN216805599U (en) | 2021-12-28 | 2021-12-28 | Anticollision front longitudinal assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216805599U true CN216805599U (en) | 2022-06-24 |
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ID=82057235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123349863.4U Active CN216805599U (en) | 2021-12-28 | 2021-12-28 | Anticollision front longitudinal assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216805599U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115312950A (en) * | 2022-08-31 | 2022-11-08 | 厦门海辰储能科技股份有限公司 | Box and energy storage device |
-
2021
- 2021-12-28 CN CN202123349863.4U patent/CN216805599U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115312950A (en) * | 2022-08-31 | 2022-11-08 | 厦门海辰储能科技股份有限公司 | Box and energy storage device |
| CN115312950B (en) * | 2022-08-31 | 2023-09-22 | 厦门海辰储能科技股份有限公司 | Box and energy storage device |
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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: 213000 no.563, Jinlong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: Jiangsu Martian Stone Technology Co.,Ltd. Address before: 213000 no.563, Jinlong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee before: Jiangsu niuchuangxin Energy Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231121 Address after: 213299 No. 168, Huacheng Middle Road, Jintan District, Changzhou City, Jiangsu Province Patentee after: Jiangxi Dacheng Automobile Co.,Ltd. Jintan Branch Address before: 213000 no.563, Jinlong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee before: Jiangsu Martian Stone Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Front longitudinal beam assembly for collision prevention Effective date of registration: 20231206 Granted publication date: 20220624 Pledgee: Changzhou Jinsha Technology Investment Co.,Ltd. Pledgor: Jiangxi Dacheng Automobile Co.,Ltd. Jintan Branch Registration number: Y2023320000648 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |