CN215851105U - Vice energy-absorbing box device and vehicle - Google Patents
Vice energy-absorbing box device and vehicle Download PDFInfo
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- CN215851105U CN215851105U CN202120762736.8U CN202120762736U CN215851105U CN 215851105 U CN215851105 U CN 215851105U CN 202120762736 U CN202120762736 U CN 202120762736U CN 215851105 U CN215851105 U CN 215851105U
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Abstract
The utility model relates to the technical field of impact absorption devices, in particular to an auxiliary energy absorption box device and a vehicle. The auxiliary energy absorption box device is used for being connected with an auxiliary frame of a vehicle and comprises an auxiliary cross beam, an auxiliary energy absorption box and a short cross beam, the auxiliary cross beam is fixedly connected with one end of the auxiliary energy absorption box, the other end of the auxiliary energy absorption box is detachably connected with one end of the short cross beam, and the other end of the short cross beam is fixedly connected with the auxiliary frame. When the vehicle collides at a low speed, the auxiliary cross beam and the auxiliary energy absorption box deform, and the short cross beam and the auxiliary frame cannot deform, so that the vehicle is better protected, and the protection effect is better; when the auxiliary energy absorption box is maintained, only the auxiliary cross beam and the auxiliary energy absorption box are replaced, so that the maintenance cost is reduced. During high-speed collision, impact force acts on the auxiliary cross beam, the auxiliary cross beam transmits the force to the auxiliary energy absorption box, and the auxiliary energy absorption box sequentially passes through the short cross beam and the auxiliary frame and then is transmitted to the vehicle body, so that a collision force transmission path is formed, the deformation of the vehicle body is reduced, and collision compatibility is facilitated. The auxiliary energy absorption box device has the advantage of better protection effect.
Description
Technical Field
The utility model relates to the technical field of impact absorption devices, in particular to an auxiliary energy absorption box device and a vehicle.
Background
Vehicles are primarily used for carrying people and/or goods; a vehicle for towing carrying personnel and/or cargo; the application is special. Vehicles are damaged or even casualty accidents occur during driving, and therefore, the vehicles usually include a safety device, such as a bumper, for absorbing and buffering external impact force and protecting the front and rear portions of the vehicle body. The safety device in the prior art has the problem of poor protection effect and needs to be improved continuously.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a secondary energy absorption box device which is used for solving the problem of poor protection effect of a safety device in the prior art.
The utility model also provides a vehicle which has the advantage of higher safety.
The auxiliary energy absorption box device provided by the utility model is used for being connected with an auxiliary frame of a vehicle and comprises an auxiliary cross beam, an auxiliary energy absorption box and a short cross beam, wherein the auxiliary cross beam is fixedly connected with one end of the auxiliary energy absorption box, the other end of the auxiliary energy absorption box is detachably connected with one end of the short cross beam, and the other end of the short cross beam is fixedly connected with the auxiliary frame.
Optionally, the auxiliary cross beam is located at the front end of the vehicle, and the auxiliary cross beam is arranged corresponding to the front anti-collision cross beam of the vehicle and located on the lower side of the front anti-collision cross beam.
Optionally, the short beam comprises a mounting cavity, and the other end of the auxiliary energy absorption box is inserted into the mounting cavity and detachably connected with the short beam.
Optionally, the energy absorption device further comprises a bolt, wherein the bolt penetrates through the short beam, the mounting cavity and the auxiliary energy absorption box and detachably connects the short beam and the auxiliary energy absorption box.
Optionally, the material strength of the short beam is greater than the material strength of the secondary crash box.
Optionally, the length of the secondary crash box is greater than the length of the short beam.
Optionally, the length of the short beam is 30mm-40 mm.
Optionally, the secondary crash boxes are welded to the secondary beam, and/or the short beam is welded to the subframe.
Optionally, the auxiliary energy absorption box device comprises two auxiliary energy absorption boxes and two short beams, the two auxiliary energy absorption boxes are respectively arranged near two ends of the auxiliary beam, the two auxiliary energy absorption boxes are arranged corresponding to the two short beams, and the other end of each short beam is fixedly connected with the longitudinal beam of the auxiliary frame.
The utility model provides a vehicle which comprises the auxiliary energy absorption box device.
According to the auxiliary energy absorption box device, the auxiliary cross beam is positioned on one side, far away from the auxiliary frame, of the auxiliary energy absorption box device, and when a vehicle is impacted from the outside, impact force acts on the auxiliary cross beam. When the vehicle collides at a low speed, the auxiliary cross beam deforms, the auxiliary cross beam and the auxiliary energy absorption box deform under the action of the auxiliary energy absorption box, and the short cross beam and the auxiliary frame cannot deform, so that the damage to important structures such as a longitudinal beam and a cooling system of the vehicle is effectively reduced or avoided, the vehicle is better protected, and the protection effect is better; when the auxiliary energy absorption box is maintained, the auxiliary energy absorption box is detachably connected with the short cross beam, and only the auxiliary cross beam and the auxiliary energy absorption box are replaced, so that the overall maintenance and replacement of the auxiliary frame are avoided, the maintenance cost is reduced, and the maintenance economic performance is improved. During high-speed collision, impact force acts on the auxiliary cross beam, the auxiliary cross beam transmits the force to the auxiliary energy absorption box, the auxiliary energy absorption box transmits the force to the auxiliary frame through the short cross beam, and the auxiliary frame transmits the force to the vehicle body, so that a collision force transmission path is formed, the collision acceleration is favorably reduced, the deformation of the vehicle body is reduced, the injury of passengers is reduced, and the collision compatibility is favorably realized; and the auxiliary energy absorption box can effectively disperse impact force and reduce deformation and acceleration of the longitudinal beam. In conclusion, the auxiliary energy absorption box device has the advantage of better protection effect.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of a secondary energy absorption box device of the present invention in use;
FIG. 2 is a schematic structural view of the secondary energy absorption box arrangement of FIG. 1;
description of reference numerals:
1-an auxiliary cross beam; 2-auxiliary energy absorption box; 3-short beam; 4-auxiliary frame; 5-bolt; 6-front anti-collision beam; 7-front crash box.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and fig. 2, this application embodiment discloses a vice energy-absorbing box device, vice energy-absorbing box device is used for being connected with vehicle sub vehicle frame 4, and vice energy-absorbing box device includes vice crossbeam 1, vice energy-absorbing box 2 and short beam 3, vice crossbeam 1 with the one end fixed connection of vice energy-absorbing box 2, the other end of vice energy-absorbing box 2 with the connection can be dismantled to the one end of short beam 3, the other end of short beam 3 with sub vehicle frame 4 fixed connection.
Specifically, the auxiliary energy absorption box device is used for absorbing and slowing down external impact force and protecting the safety of a vehicle body, wherein the auxiliary energy absorption box 2 is mainly used for absorbing and slowing down impact, and the energy absorption box can be made of materials and structures in the prior art, and is not described again.
The auxiliary cross beam 1 is fixedly connected with the auxiliary energy absorption box 2, the short cross beam 3 is fixedly connected with the auxiliary frame 4, the structural strength of the fixed connection is high, and the fracture and the like between the auxiliary cross beam 1 and the auxiliary energy absorption box 2 and between the short cross beam 3 and the auxiliary frame 4 caused by collision can be reduced.
The auxiliary cross beam 1 is positioned on one side, far away from the auxiliary frame 4, of the auxiliary energy absorption box, and impact force acts on the auxiliary cross beam 1 when the vehicle is impacted by the outside. When the automobile collides at a low speed, the auxiliary cross beam 1 deforms, the auxiliary cross beam 1 and the auxiliary energy absorption box 2 deform under the action of the auxiliary energy absorption box 2, the short cross beam 3 and the auxiliary frame 4 cannot deform, the damage to important structures such as a longitudinal beam and a cooling system of the automobile is effectively reduced or avoided, the automobile is better protected, and the protection effect is better; when the auxiliary energy absorption box is maintained, the auxiliary energy absorption box 2 and the short cross beam 3 are detachably connected, and only the auxiliary cross beam 1 and the auxiliary energy absorption box 2 are replaced, so that the overall maintenance and replacement of the auxiliary frame 4 are avoided, the maintenance cost is reduced, and the maintenance economic performance is improved. During high-speed collision, impact force acts on the auxiliary cross beam 1, the auxiliary cross beam 1 transmits the force to the auxiliary energy absorption box 2, the auxiliary energy absorption box 2 transmits the force to the auxiliary frame 4 through the short cross beam 3, and the auxiliary frame 4 transmits the force to a vehicle body, so that a collision force transmission path is formed, the collision acceleration is favorably reduced, the vehicle body deformation is reduced, the injury of passengers is reduced, and the collision compatibility is favorably realized; moreover, the auxiliary energy absorption box 2 can effectively disperse impact force and reduce deformation and acceleration of the longitudinal beam. In conclusion, the auxiliary energy absorption box device has the advantage of better protection effect.
The low-speed collision generally means a collision of 15 km/h or less.
As shown in fig. 1, in an embodiment, the sub cross member 1 is located at a front end of the vehicle, and the sub cross member 1 is disposed corresponding to a front cross member 6 of the vehicle and located below the front cross member 6.
The front anti-collision cross beam 6 is a device for reducing the impact energy absorbed when a vehicle is collided, can effectively absorb the impact energy when the vehicle is collided at a low speed, reduces the damage of the impact force to the vehicle body longitudinal beam as much as possible, and is used for protecting the vehicle. The existing front anti-collision beam 6 of the vehicle and the front energy-absorbing box 7 and the longitudinal beam structure behind the front anti-collision beam serve as main energy-absorbing structures for direct collision, and the collision requirements of the existing 2018 version and the existing C-NCAP (C-NCAP is the first version of China New vehicle evaluation regulation which is formally released in 3, 2 days of 2006 and is used for promoting the healthy development of the China automobile industry and accelerating the global process of the domestic automobile market) are met.
The auxiliary cross beam 1 is positioned on the front anti-collision cross beam 6 and is matched with the front anti-collision cross beam 6 to play a role in assisting energy absorption during low-speed collision; and when the collision occurs at high speed, the device can play a role of an auxiliary force transmission path. Meanwhile, under the working condition of pedestrian protection impact, the auxiliary cross beam 1 plays a role in supporting the lower end of the lower leg, so that the lower leg is effectively prevented from forming a large bending moment and extending into the lower portion of the vehicle, the injury value of the lower leg is favorably reduced, and the protection of the lower leg is favorably realized.
The vehicle generally needs set up the bumper in the place ahead of preceding crashproof crossbeam 6, and auxiliary beam 1 corresponds the setting with preceding crashproof crossbeam 6, and the bumper hides auxiliary beam 1 and preceding crashproof crossbeam 6 simultaneously, can make things convenient for the setting of bumper to and accord with use and designing requirement. Front means the front-rear in the general sense of a vehicle.
In one embodiment, the short beam 3 comprises a mounting cavity, and the other end of the secondary energy absorption box 2 is inserted into the mounting cavity and detachably connected with the short beam 3.
The other end of the auxiliary energy absorption box 2 is inserted into the mounting cavity in a simple connection mode, and the structure is stable; meanwhile, the structural strength of the overlapped part of the short beam 3 and the auxiliary energy absorption box 2 is greater than that of the auxiliary energy absorption box 2, and the deformation risk of the short beam 3 is reduced.
As shown in fig. 1 and fig. 2, in an embodiment, the auxiliary energy-absorbing box device further includes a bolt 5, and the bolt 5 penetrates through the short beam 3, the mounting cavity and the auxiliary energy-absorbing box 2 to detachably connect the short beam 3 and the auxiliary energy-absorbing box 2.
The short beam 3 and the auxiliary energy absorption box 2 are connected simply, stably and reliably through the bolts 5. When the bolt 5 is used, the bolt can be connected with nuts and the like according to the use requirement so as to meet the connection requirement of the short beam 3 and the auxiliary energy absorption box 2.
As shown in fig. 1 and 2, in one embodiment, the material strength of the short beam 3 is greater than the material strength of the secondary crash box 2.
When the vehicle collides at a low speed, the auxiliary cross beam 1 and the auxiliary energy absorption box 2 deform, and the short cross beam 3 and the auxiliary frame 4 can be prevented from being damaged because the material strength of the short cross beam 3 is greater than that of the auxiliary energy absorption box 2.
As shown in fig. 1 and 2, in one embodiment, the length of the secondary crash box 2 is greater than the length of the short beam 3.
The length of the short beam 3 is shorter than that of the auxiliary energy absorption box 2, and the deformation probability of the short beam 3 relative to the energy absorption box is low.
In one embodiment, the length of the short beam 3 is 30mm-40 mm.
The length range is designed according to the use requirement, and is not limited to the range.
In one embodiment, the secondary crash box 2 and the secondary beam 1 are welded.
In one embodiment, the short cross member 3 is welded to the subframe 4.
Welding, also known as fusion welding, is a manufacturing process and technique for joining metals or other thermoplastic materials, such as plastics, in a heated, high temperature or high pressure manner. The welded connection has stable structure and high connection strength.
As shown in fig. 1, in an embodiment, the auxiliary energy-absorbing box device includes two auxiliary energy-absorbing boxes 2 and two short beams 3, the two auxiliary energy-absorbing boxes 2 are respectively disposed near two ends of the auxiliary beam 1, the two auxiliary energy-absorbing boxes 2 are disposed corresponding to the two short beams 3, and the other end of the short beam 3 is fixedly connected to a longitudinal beam of the subframe 4.
As shown in fig. 1, the middle of the auxiliary cross beam 1 is a long straight rod, two ends of the auxiliary cross beam are bent towards the rear side of the vehicle body, the auxiliary cross beam 1 is matched with the front anti-collision cross beam 6 in shape, and the side wall of the auxiliary cross beam 1 far away from the auxiliary energy absorption box 2 and the side wall of the front anti-collision cross beam 6 far away from the front energy absorption box 7 are arranged in parallel.
The auxiliary energy absorption box device has the advantages of simple structure, simple installation mode, low cost and good maintenance economy, high-speed collision and pedestrian protection.
The high-speed collision comprises positive collision working conditions such as MPDB (Mobile Progressive Deformable Barrier) or PDB (Progressive Deformable Barrier) collision tests.
Referring to fig. 1, an embodiment of the application discloses a vehicle, which comprises the auxiliary energy absorption box device.
Because vice energy-absorbing box device has the better advantage of protective effect, simultaneously the crashproof crossbeam 6 before the cooperation for the vehicle has safer advantage.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.
Claims (10)
1. The utility model provides a vice energy-absorbing box device for be connected with vehicle sub vehicle frame (4), its characterized in that, including vice crossbeam (1), vice energy-absorbing box (2) and short crossbeam (3), vice crossbeam (1) with the one end fixed connection of vice energy-absorbing box (2), the other end of vice energy-absorbing box (2) with the connection can be dismantled to the one end of short crossbeam (3), the other end of short crossbeam (3) with sub vehicle frame (4) fixed connection.
2. The auxiliary energy absorption box device according to claim 1, wherein the auxiliary cross beam (1) is located at the front end of the vehicle, and the auxiliary cross beam (1) is arranged corresponding to the front anti-collision cross beam (6) of the vehicle and is located on the lower side of the front anti-collision cross beam (6).
3. The secondary energy absorption box device according to claim 1, characterized in that the short beam (3) comprises a mounting cavity, and the other end of the secondary energy absorption box (2) is inserted into the mounting cavity and detachably connected with the short beam (3).
4. The auxiliary energy absorption box device according to claim 3, further comprising a bolt (5), wherein the bolt (5) penetrates through the short beam (3), the mounting cavity and the auxiliary energy absorption box (2) to detachably connect the short beam (3) and the auxiliary energy absorption box (2).
5. A secondary crash box arrangement according to claim 1, characterized in that the material strength of the short beam (3) is greater than the material strength of the secondary crash box (2).
6. A secondary energy-absorbing box arrangement according to claim 5, characterized in that the length of the secondary energy-absorbing box (2) is greater than the length of the short beam (3).
7. A secondary energy absorption box arrangement according to claim 6, characterized in that the length of the short beam (3) is 30-40 mm.
8. The secondary crash box arrangement according to claim 1, characterized in that the secondary crash box (2) is welded to the secondary beam (1) and/or the short beam (3) is welded to the subframe (4).
9. The auxiliary energy absorption box device according to claim 1, comprising two auxiliary energy absorption boxes (2) and two short beams (3), wherein the two auxiliary energy absorption boxes (2) are respectively arranged near two ends of the auxiliary beam (1), the two auxiliary energy absorption boxes (2) are arranged corresponding to the two short beams (3), and the other ends of the short beams (3) are fixedly connected with longitudinal beams of the auxiliary frame (4).
10. A vehicle comprising a secondary energy absorption box arrangement according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120762736.8U CN215851105U (en) | 2021-04-14 | 2021-04-14 | Vice energy-absorbing box device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120762736.8U CN215851105U (en) | 2021-04-14 | 2021-04-14 | Vice energy-absorbing box device and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN215851105U true CN215851105U (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120762736.8U Active CN215851105U (en) | 2021-04-14 | 2021-04-14 | Vice energy-absorbing box device and vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN215851105U (en) |
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2021
- 2021-04-14 CN CN202120762736.8U patent/CN215851105U/en active Active
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