CN220577199U - Rear anti-collision beam assembly structure - Google Patents
Rear anti-collision beam assembly structure Download PDFInfo
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- CN220577199U CN220577199U CN202322075758.9U CN202322075758U CN220577199U CN 220577199 U CN220577199 U CN 220577199U CN 202322075758 U CN202322075758 U CN 202322075758U CN 220577199 U CN220577199 U CN 220577199U
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- absorbing
- absorbing box
- collision
- assembly structure
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- 238000010521 absorption reaction Methods 0.000 claims description 37
- 238000003466 welding Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000000694 effects Effects 0.000 description 17
- 238000000034 method Methods 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
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- Body Structure For Vehicles (AREA)
Abstract
The utility model discloses a rear anti-collision beam assembly structure, which comprises a rear anti-collision beam body (1), wherein rear protection beam mounting plates are arranged at two ends of the rear anti-collision beam body (1), each rear protection beam mounting plate comprises a rear protection beam bracket (2), each rear protection beam bracket (2) is connected with an energy-absorbing box, each energy-absorbing box comprises an energy-absorbing box outer plate (5) and an energy-absorbing box inner plate (4), and energy-absorbing ribs are arranged at the side parts of each energy-absorbing box outer plate (5) and each energy-absorbing box outer plate (5).
Description
Technical Field
The utility model belongs to the field of anti-collision beams, and particularly relates to a rear anti-collision beam assembly structure.
Background
When rear-end collision accident happens, the rear anti-collision beam assembly of the automobile rear bumper plays an important role in protecting the human body and the automobile. When the automobile collides at a lower speed, the rear anti-collision beam assembly can better absorb energy generated by the rear collision so as to ensure that the main body structure of the automobile body is not damaged, thereby reducing maintenance cost; when the vehicle collides at a higher speed, the rear anti-collision beam assembly can absorb energy generated during rear collision by utilizing the structure and the performance of the rear anti-collision beam assembly, so that the safety of the oil tank is ensured.
The existing anti-collision beam assembly of the automobile rear bumper is mostly a stamping part, an aluminum profile or a rolling part, the strength of each part of the anti-collision beam assembly is relatively high, the anti-collision beam assembly is unbalanced, the energy generated by collision is not easy to absorb, all the anti-collision beam assembly can be deformed or even damaged during collision, and the maintenance cost is improved. The structure leads to higher development cost and longer development period; the structure is complicated, and the maintenance and the replacement are inconvenient.
The utility model patent with the bulletin number of CN211731303U discloses a rear anti-collision beam assembly of an automobile in the year 10 and 23, which comprises a rear anti-collision beam, and energy absorption boxes fixedly arranged at two ends of the rear anti-collision beam, wherein each energy absorption box is provided with a connecting part which is detachably connected with a longitudinal beam in an automobile frame, the rear anti-collision beam is provided with an anti-collision beam outer plate and an anti-collision beam inner plate which are buckled and fixedly connected together, each energy absorption box is connected with the anti-collision beam outer plate, the anti-collision beam inner plate is arranged between the energy absorption boxes at the two ends, and each energy absorption box is partially embedded into the rear anti-collision beam. The rear anti-collision beam assembly of the automobile is complex in structure and high in manufacturing and using costs.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the rear anti-collision beam assembly structure which has the advantages of simple structure and process, low cost, stable connection and good energy absorption effect.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
this back crashproof roof beam assembly structure, including back crashproof roof beam body, back crashproof roof beam body both ends are equipped with back and protect the crossbeam mounting panel, back protects the crossbeam mounting panel and includes back and protects the crossbeam support, back protects crossbeam support connection has the energy-absorbing box, the energy-absorbing box includes energy-absorbing box planking and energy-absorbing box inner panel, the lateral part of energy-absorbing box planking and energy-absorbing box planking all is equipped with the energy-absorbing muscle.
The energy-absorbing ribs comprise first energy-absorbing ribs and second energy-absorbing ribs, and the first energy-absorbing ribs and the second energy-absorbing ribs are arranged in parallel; the first energy-absorbing rib is of a concave structure, and the second energy-absorbing rib is of a convex structure.
The energy-absorbing box inner plate one end is equipped with first connection plane, energy-absorbing box planking one end is equipped with the second connection plane, back guarantor's crossbeam support inboard is connected with first connection plane and second connection plane.
The other end of the energy-absorbing box inner plate is provided with a third connecting plane, and the other end of the energy-absorbing box outer plate is provided with a fourth connecting plane.
The first connection planes are arranged in pairs.
The rear bumper beam bracket is provided with a connecting curved surface, and the end part of the rear bumper beam body is arranged on the connecting curved surface.
The rear anti-collision beam body, the rear protection cross beam bracket, the energy absorption box inner plate and the energy absorption box outer plate are all connected through welding.
The rear anti-collision beam body is a round steel tube and is of an arch structure.
The rear anti-collision beam bodies are arranged in pairs.
The utility model has the technical effects that: the rear anti-collision beam assembly structure improves the structure of the energy absorption box, and the energy absorption ribs which are arranged inside and outside are arranged, so that the stability of the energy absorption box is better, the effect of absorbing the energy of forward collision can be achieved, the better energy absorption effect can be achieved, the safety is higher, the damage of the vehicle body structure is effectively reduced, and the safety of passengers is ensured; the round steel pipe is adopted as the anti-collision beam body, so that a stamping die or rolling equipment is not required to be opened, the development cost is saved, and the development period is shortened; the material cost is low, the structure is simple, the process is simple, and the economy is good; the rear anti-collision beam assembly structure is further improved in structure according to the appearance structure of the anti-collision beam body, and the connection fixing effect of the anti-collision beam body and the rear anti-collision beam mounting plate and the energy absorption effect of the energy absorption box are improved.
Drawings
The present specification includes the following drawings, the contents of which are respectively:
FIG. 1 is a schematic structural view of a rear impact beam assembly of the present utility model;
FIG. 2 is a schematic structural view of a rear bumper beam mounting plate of the rear bumper beam assembly of the present utility model;
FIG. 3 is a schematic structural view of the crash box of the rear impact beam assembly structure of the present utility model;
FIG. 4 is a schematic structural view of a rear impact beam body of the rear impact beam assembly structure of the present utility model;
FIG. 5 is a force-bearing schematic view of an energy-absorbing rib of the rear impact beam assembly structure of the present utility model.
Marked in the figure as: 1. a rear impact beam body; 2. a rear bumper beam bracket; 3. connecting curved surfaces; 4. an energy absorption box inner plate; 5. an outer plate of the energy absorption box; 6. the first energy absorption rib; 7. the second energy absorption rib; 8. a first connection plane; 9. a second connection plane; 10. a third connection plane; 11. and a fourth connection plane.
Detailed Description
The following detailed description of the embodiments of the utility model, given by way of example only, is presented in the accompanying drawings to aid those skilled in the art in a more complete, accurate and thorough understanding of the inventive concepts and aspects of the utility model, and to facilitate their practice.
As shown in fig. 1 to 5, the rear anti-collision beam assembly structure comprises a rear anti-collision beam body 1, rear protection beam mounting plates are arranged at two ends of the rear anti-collision beam body 1, each rear protection beam mounting plate comprises a rear protection beam support 2, each rear protection beam support 2 is connected with an energy-absorbing box, each energy-absorbing box comprises an energy-absorbing box outer plate 5 and an energy-absorbing box inner plate 4, and energy-absorbing ribs are arranged on the side portions of each energy-absorbing box outer plate 5 and each energy-absorbing box outer plate 5.
As shown in fig. 2, the rear impact beam assembly is composed of a rear bumper beam mounting plate assembly and a rear impact beam body 1. The rear protection beam mounting plate is formed by welding an outer plate 5 of the energy-absorbing box, an inner plate 4 of the energy-absorbing box and a rear protection beam bracket 2 in a combined mode, the inner plate and the outer plate of the energy-absorbing box are connected with a rear longitudinal beam of a vehicle body framework through spot welding, the connection relation between components and the energy-absorbing effect of energy-absorbing ribs are fully considered through the structure of the energy-absorbing box, forward collision energy can be absorbed, and the energy-absorbing effect is better.
As shown in fig. 3, the energy-absorbing ribs comprise a first energy-absorbing rib 6 and a second energy-absorbing rib 7, and the first energy-absorbing rib 6 and the second energy-absorbing rib 7 are arranged in parallel; the first energy-absorbing rib 6 is of a concave structure, and the second energy-absorbing rib 7 is of a convex structure.
The energy-absorbing rib structures and the layout on the energy-absorbing box outer plate 5 and the energy-absorbing box outer plate 5 are consistent, the protruding directions of the first energy-absorbing rib 6 and the second energy-absorbing rib 7 are respectively inwards and outwards, and part of impact force can be dispersed in the symmetrical direction, so that the stability of the inner plate and the outer plate of the energy-absorbing box when being stressed can be better ensured. Fig. 5 is a schematic stress view of the first energy-absorbing rib 6 and the second energy-absorbing rib 7 when receiving impact force, and the broken line in fig. 5 is the dispersion direction of the impact force after passing through the energy-absorbing ribs, so that the energy-absorbing ribs arranged according to the structure can keep stable when the inner plate and the outer plate of the energy-absorbing box are stressed.
As shown in fig. 3, a first connection plane 8 is arranged at one end of the inner energy absorption box plate 4, a second connection plane 9 is arranged at one end of the outer energy absorption box plate 5, and the inner side of the rear protection beam bracket 2 is connected with the first connection plane 8 and the second connection plane 9.
By the structure, the contact and stressed area of the energy-absorbing box and the rear protection beam bracket 2 is enlarged, so that the energy-absorbing box is connected with the rear protection beam bracket 2 more stably, and the stressed transmission is more uniform.
The other end of the energy-absorbing box inner plate 4 is provided with a third connecting plane 10, and the other end of the energy-absorbing box outer plate 5 is provided with a fourth connecting plane 11. The third connecting plane 10 and the fourth connecting plane 11 are positioned on the same plane, so that the connecting with the rear longitudinal beam of the vehicle body framework can be facilitated.
As shown in fig. 3, the first connection planes 8 are arranged in pairs. Because the rear anti-collision beam body 1 is two round steel pipes, the first connecting planes 8 are two, the two first connecting planes 8 are respectively positioned at the two ends of the end part of the inner plate 4 of the energy absorption box, and can just correspond to and transmit the impact force received by the two round steel pipes, the structure further expands the contact stress area with the rear beam support 2, so that the deformation generated by the energy absorption box is uniform, the impact force transmission is more uniform, the energy absorption box is prevented from being deformed and collapsed locally, and the energy absorption effect of the energy absorption box can be fully exerted.
As shown in fig. 2, a connecting curved surface 3 is arranged on the rear bumper beam bracket 2, and the end part of the rear bumper beam body 1 is arranged on the connecting curved surface 3. The connecting curved surface 3 is matched with the cylinder appearance structure of the rear anti-collision beam body 1, so that the contact area between the rear bumper beam bracket 2 and the rear anti-collision beam body 1 is enlarged, and the effect of welding fixation is improved. By adopting the contact mode of the rear protection beam bracket 2 and the rear protection beam body, the acting force transmission is more stable and uniform, and better energy absorption effect can be achieved.
The rear anti-collision beam body 1, the rear protection beam bracket 2, the energy absorption box inner plate 4 and the energy absorption box outer plate 5 are all connected through welding. The rear anti-collision beam body 1, the rear protection beam bracket 2, the energy-absorbing box inner plate 4 and the energy-absorbing box outer plate 5 are connected together through welding, the welding process is simple and convenient, the production efficiency is high, the sufficient connection strength can be ensured, and the welding mode adopted above comprises spot welding and carbon dioxide gas protection welding.
As shown in fig. 1 and 4, the rear impact beam body 1 is a round steel tube, and the rear impact beam body 1 is an arch structure. The rear anti-collision beam body 1 is formed by bending two ends of a round steel pipe to form a certain radian, the bent rear anti-collision beam body 1 obtains a shape similar to an arch bridge, the middle section of the rear anti-collision beam body 1 is completely parallel to the Y direction of a vehicle body coordinate system, and when a vehicle collides backwards, the effective area of contact collision is large, and the energy absorption effect is better. Because the rear anti-collision beam body 1 adopts a circular steel tube structure, the use of a stamping die or rolling equipment is omitted, so that the development cost is reduced and the development period is shortened; and the material cost is low, the structure and the process are simple, and the economy is good.
As shown in fig. 1 and 4, the rear impact beam bodies 1 are provided in pairs. The rear anti-collision beam body 1 is formed by two round steel pipes which are connected with the rear protection beam mounting plate assembly through carbon dioxide gas shielded welding, and the two round steel pipes are respectively positioned at the upper side and the lower side of the rear protection beam bracket 2, so that the safety of a car body and passengers can be ensured, and the safety is further improved; when the two rear anti-collision beam bodies 1 are subjected to impact force, the resultant force of acting forces transmitted by the two rear anti-collision beam bodies 1 is directed to the middle of the energy-absorbing box, so that energy-absorbing ribs on the inner plate and the outer plate of the energy-absorbing box can absorb energy, and the energy-absorbing effect of the energy-absorbing box can be fully exerted.
The rear anti-collision beam assembly structure improves the structure of the energy absorption box, and the energy absorption ribs which are arranged inside and outside are arranged, so that the stability of the energy absorption box is better, the effect of absorbing the energy of forward collision is achieved, the better energy absorption effect can be achieved, the safety is higher, the damage of the vehicle body structure is effectively reduced, and the safety of passengers is ensured; the round steel pipe is adopted as the anti-collision beam body, so that a stamping die or rolling equipment is not required to be opened, the development cost is saved, and the development period is shortened; the material cost is low, the structure is simple, the process is simple, and the economy is good; the rear anti-collision beam assembly structure is further improved in structure of the rear protection beam bracket 2 according to the appearance structure of the anti-collision beam body, and the connection fixing effect of the anti-collision beam body and the rear protection beam mounting plate and the energy absorption effect of the energy absorption box are improved.
The utility model is described above by way of example with reference to the accompanying drawings. It will be clear that the utility model is not limited to the embodiments described above. As long as various insubstantial improvements are made using the method concepts and technical solutions of the present utility model; or the utility model is not improved, and the conception and the technical scheme are directly applied to other occasions and are all within the protection scope of the utility model.
Claims (8)
1. The utility model provides a back crashproof roof beam assembly structure which characterized in that: the energy-absorbing box comprises a rear anti-collision beam body (1), wherein rear protection beam mounting plates are arranged at two ends of the rear anti-collision beam body (1), each rear protection beam mounting plate comprises a rear protection beam bracket (2), each rear protection beam bracket (2) is connected with an energy-absorbing box, each energy-absorbing box comprises an energy-absorbing box outer plate (5) and an energy-absorbing box inner plate (4), and energy-absorbing ribs are arranged at the side parts of each energy-absorbing box outer plate (5) and each energy-absorbing box outer plate (5); the energy-absorbing ribs comprise a first energy-absorbing rib (6) and a second energy-absorbing rib (7), and the first energy-absorbing rib (6) and the second energy-absorbing rib (7) are arranged in parallel; the first energy-absorbing rib (6) is of a concave structure, and the second energy-absorbing rib (7) is of a convex structure.
2. The rear impact beam assembly structure according to claim 1, wherein: the energy-absorbing box inner plate (4) one end is equipped with first connection plane (8), energy-absorbing box planking (5) one end is equipped with second connection plane (9), back guarantor's crossbeam support (2) inboard is connected with first connection plane (8) and second connection plane (9).
3. The rear impact beam assembly structure according to claim 2, wherein: the other end of the energy-absorbing box inner plate (4) is provided with a third connecting plane (10), and the other end of the energy-absorbing box outer plate (5) is provided with a fourth connecting plane (11).
4. A rear impact beam assembly structure according to claim 3, wherein: the first connection planes (8) are arranged in pairs.
5. The rear impact beam assembly structure according to claim 4, wherein: the rear bumper beam support (2) is provided with a connecting curved surface (3), and the end part of the rear bumper beam body (1) is arranged on the connecting curved surface (3).
6. The rear impact beam assembly structure according to claim 5, wherein: the rear anti-collision beam body (1), the rear protection beam bracket (2), the energy absorption box inner plate (4) and the energy absorption box outer plate (5) are all connected through welding.
7. The rear impact beam assembly structure according to claim 6, wherein: the rear anti-collision beam body (1) is a round steel tube, and the rear anti-collision beam body (1) is of an arch structure.
8. The rear impact beam assembly structure according to claim 7, wherein: the rear anti-collision beam bodies (1) are arranged in pairs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322075758.9U CN220577199U (en) | 2023-08-03 | 2023-08-03 | Rear anti-collision beam assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322075758.9U CN220577199U (en) | 2023-08-03 | 2023-08-03 | Rear anti-collision beam assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220577199U true CN220577199U (en) | 2024-03-12 |
Family
ID=90115933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322075758.9U Active CN220577199U (en) | 2023-08-03 | 2023-08-03 | Rear anti-collision beam assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220577199U (en) |
-
2023
- 2023-08-03 CN CN202322075758.9U patent/CN220577199U/en active Active
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