CN214492798U - Anticollision roof beam subassembly and vehicle - Google Patents

Abstract

The application discloses anticollision roof beam subassembly and vehicle, the anticollision roof beam subassembly includes: an anti-collision beam; the energy absorption box is connected with the anti-collision beam and is provided with M crumple chambers, the M crumple chambers are sequentially arranged in the energy absorption box along the front-back direction, at least one of the M crumple chambers is internally provided with an elastic buffer block, wherein M is more than or equal to 2, and M is a positive integer; the mounting bottom plate is connected with one end, deviating from the anti-collision beam, of the energy absorption box, and the mounting bottom plate is used for being connected with a vehicle body. The utility model provides an anticollision roof beam subassembly, the rigidity of energy-absorbing box can be adjusted according to the striking requirement of reality in a flexible way to increase the buffering energy-absorbing time of anticollision roof beam subassembly, reduce impact force transmission rate, from this, can solve different motorcycle types platformization use problem, can satisfy the collision requirement of different motorcycle types again, also can update the adjustment at any time to the crashworthiness of volume production motorcycle type, promote the application scope of anticollision roof beam subassembly.

Description

Anticollision roof beam subassembly and vehicle

Technical Field

The application relates to the technical field of vehicle manufacturing, in particular to an anti-collision beam assembly and a vehicle with the same.

Background

With the continuous development of the automobile industry, people have increasingly more requirements on vehicles, and the front and rear anti-collision beams have the functions of not only the front and rear collision protection of the vehicle body, but also the functions of dispersing and transmitting impact force for the vehicles. The impact force brought to the vehicle body by collision is improved to the greater extent. The anti-collision beam structure on the market at present mainly adopts the nonadjustable connection structure of rigidity, and this type of structure is because of the energy-absorbing box shock-absorbing capacity is nonadjustable, and the energy-absorbing box is crumpled the deformation distance uncontrollable when the low-speed collision, and the energy-absorbing time is short, and unable even atress warp, leads to the collision barrier propterty not good, has the space of improvement.

SUMMERY OF THE UTILITY MODEL

The present application is directed to solving at least one of the problems in the prior art. Therefore, an object of this application lies in providing an anticollision roof beam subassembly, and the rigidity of this anticollision roof beam subassembly's energy-absorbing box can be adjusted according to striking demand adaptability, increases the application scope of anticollision roof beam subassembly, solves the problem that different motorcycle types platformization was used.

According to this application embodiment's crashproof roof beam subassembly includes: an anti-collision beam; the energy absorption box is connected with the anti-collision beam and is provided with M crumple chambers, the M crumple chambers are sequentially arranged in the energy absorption box along the front-back direction, at least one of the M crumple chambers is internally provided with an elastic buffer block, wherein M is more than or equal to 2, and M is a positive integer; the mounting bottom plate is connected with one end, deviating from the anti-collision beam, of the energy absorption box, and the mounting bottom plate is used for being connected with a vehicle body.

According to the crashproof roof beam subassembly of this application embodiment, carry out redesign through the structure to the energy-absorbing box, and select to set up the elastic buffer piece in a flexible way, so that the rigidity of energy-absorbing box can adjust according to the striking requirement of reality in a flexible way, thereby increase the buffering energy-absorbing time of crashproof roof beam subassembly, reduce impact force transmission speed, therefore, can solve different motorcycle types platformization use problem, can satisfy the collision requirement of different motorcycle types again, the adjustment also can be updated at any time to the crashworthiness of volume production motorcycle type, promote the application scope of crashproof roof beam subassembly.

According to some embodiments of this application's crashproof roof beam subassembly, elastic buffer block is M, and M elastic buffer block one-to-one installs in M the intracavity that contracts.

According to some embodiments of this application's crashproof roof beam subassembly, the elastic buffer piece is N, and N < M, and N is positive integer, N the elastic buffer piece one-to-one install in M the N of the chamber of collapsing in the chamber of collapsing.

According to some embodiments of this application's anticollision roof beam subassembly, N the elastic buffer block is correspondingly installed in M it is adjacent N in proper order to burst the chamber in the chamber.

According to some embodiments of this application's crashproof roof beam subassembly, there is one in N the springiness cushioning piece adjacent two at least between the springiness cushioning piece the chamber that collapses.

According to some embodiments of this application's crashproof roof beam subassembly, in the N elastic buffer piece arbitrary adjacent two the interval has one between the elastic buffer piece the chamber of collapsing.

According to some embodiments of the application, the crush chamber has a polygonal cross-section.

According to some embodiments of the application, the cross-section of the impact beam has mesh holes.

According to some embodiments of the impact beam assembly of the present application, the front end face of the energy absorption box is configured to be gradually inclined rearward from the laterally inner end to the laterally outer end.

The present application further provides a vehicle.

According to the vehicle of this application embodiment, be provided with the crashproof roof beam assembly of any one of above-mentioned embodiment.

The vehicle and the impact beam assembly described above have the same advantages over the prior art and are not described in detail herein.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an exploded view of a bumper beam assembly according to an embodiment of the present application;

FIG. 2 is a schematic structural view of an impact beam assembly according to an embodiment of the present application;

FIG. 3 is a top view of an impact beam assembly according to an embodiment of the present application;

FIG. 4 is a cross-sectional view (partially in cross-section) of an impact beam assembly according to an embodiment of the present application;

FIG. 5 is a schematic structural view of a crash box of the impact beam assembly according to an embodiment of the present application;

FIG. 6 is a schematic structural view (another perspective) of a crash box of the impact beam assembly according to an embodiment of the present application;

FIG. 7 is a cross-sectional view of an energy absorber box of the impact beam assembly according to an embodiment of the present application;

FIG. 8 is a schematic structural view of a resilient bumper of the impact beam assembly according to an embodiment of the present application;

FIG. 9 is a schematic structural view (another perspective) of a resilient bumper of the impact beam assembly according to an embodiment of the present application;

FIG. 10 is a cross-sectional view of a resilient bumper of the impact beam assembly according to an embodiment of the present application;

FIG. 11 is a schematic structural view of an impact beam of the impact beam assembly according to an embodiment of the present application;

fig. 12 is a cross-sectional view of an impact beam of the impact beam assembly according to an embodiment of the present application.

Reference numerals:

the impact beam assembly 100 is shown in a cross-sectional view,

the anti-collision device comprises an anti-collision beam 1, a buffer cavity 11, an energy absorption box 2, a crumple cavity 21, an elastic buffer block 3 and a mounting bottom plate 4.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

Unless otherwise specified, the front-rear direction in the present application is the longitudinal direction of the vehicle, i.e., the X direction; the left and right directions are the transverse direction of the vehicle, namely the Y direction; the up-down direction is the vertical direction of the vehicle, i.e., the Z direction.

Referring to fig. 1 to 12, an impact beam assembly 100 according to an embodiment of the present application will be described, in which the stiffness of the energy absorption box 2 of the impact beam assembly 100 can be adaptively adjusted according to impact requirements, so as to increase the energy absorption time of the energy absorption box 2, reduce the transmission speed of impact force, increase the application range of the impact beam assembly 100, and solve the problem of flatbed use of different vehicle types.

As shown in fig. 1 and 2, an impact beam assembly 100 according to an embodiment of the present application includes: the energy-absorbing box comprises an anti-collision beam 1, an energy-absorbing box 2 and a mounting bottom plate 4.

As shown in fig. 2, the number of the energy absorption boxes 2 and the number of the mounting base plate 4 are two, the two energy absorption boxes 2 are arranged at intervals along the length direction of the anti-collision beam 1 and are respectively connected with different positions on the side surface of the anti-collision beam 1, the mounting base plate 4 is connected with one end, away from the anti-collision beam 1, of the energy absorption box 2, and the mounting base plate 4 is used for being connected with a vehicle body. Wherein, crashproof roof beam 1 can adopt aluminum plate casting forming process or steel metal class roll-in forming process, it is connected fixedly with energy-absorbing box 2 to listen welding or spiro union process, the main function is that the vehicle protects vehicle cooling system when the low-speed collision and damages, reduce the cost of maintenance of vehicle, and mainly play balanced effect when the high-speed collision, on transmitting the impact force as far as possible evenly about the automobile body longeron, and when atress one side takes place to warp when the offset collision, crashproof roof beam 1 can effectively pull opposite side automobile body skeleton, the impact force transmission of dispersion atress side, promote crashproof performance of crashproof roof beam subassembly 100.

The energy absorption box 2 can be formed by an aluminum plate casting process or a steel metal rolling process and is fixedly connected with the mounting bottom plate 4 of the energy absorption box 2 through a welding process, impact force generated by collision is absorbed during main action, deformation of a vehicle body and a cab is reduced, and safety of drivers and passengers is improved.

That is, the mounting baseplate 4 is connected with the impact beam 1 through the energy absorption box 2 to form an integral buffer structure with the energy absorption box 2 and the impact beam 1, so as to buffer the impact force of the vehicle from the outside. It should be noted that the impact beam assembly 100 in the present application may be installed at the front of a vehicle, the energy absorption box 2 is attached to the rear side of the impact beam 1, the installation bottom plate 4 is connected to the rear end of the energy absorption box 2, and the installation bottom plate 4 is connected to the front end surface of the vehicle body; the anti-collision beam assembly 100 can also be arranged at the rear part of a vehicle, the energy absorption box 2 is attached to the front side surface of the anti-collision beam 1, the installation bottom plate 4 is connected with the front end of the energy absorption box 2, and the installation bottom plate 4 is connected with the rear end surface of the vehicle body. Therefore, the anti-collision protection effect can be achieved at the front end and the rear end of the vehicle, and the safety of the vehicle is improved.

The mounting bottom plate 4 can be formed by an aluminum plate casting forming process or a steel metal stamping forming process, is mainly connected with the energy absorption box 2 through a welding or screwing process, and the mounting bottom plate 4 can be fixedly connected with a vehicle body through bolts.

The energy absorption box 2 is provided with M crumple cavities 21, the M crumple cavities 21 are sequentially arranged in the energy absorption box 2 along the front-back direction, M is larger than or equal to 2, and M is a positive integer. That is to say, the crash box 2 in this application can set up 2 and burst the chamber 21, 3 and burst chamber 21 or more and burst chamber 21, and the quantity of the chamber 21 that bursts can set up according to the demand of reality in a flexible way, wherein, through setting up a plurality of chamber 21 that burst, with when crashproof roof beam 1 receives outside striking, crashproof roof beam 1 can compress crash box 2, so that crash box 2 absorbs the impact through the elastic deformation of a plurality of chamber 21 that burst, thereby plays the effect of buffering.

Be equipped with elastic buffer block 3 in at least one in the M chamber 21 that contracts of ulcerate, elastic buffer block 3 can be used for the energy-absorbing to come from the impact of crashproof roof beam 1 in energy-absorbing box 2, wherein, the quantity of elastic buffer block 3 can set up according to the demand of reality in a flexible way, if set up elastic buffer block 3 in one chamber 21 that contracts of M in the chamber 21 that contracts of ulcerate, or set up elastic buffer block 3 in two chambers 21 that contract of ulcerating, set up elastic buffer block 3 in more chamber 21 of contracting again. Therefore, the crumple cavity 21 can be filled according to different crumple quantity requirements and deformation position requirements, so that the purpose of adjusting the collision safety performance of the anti-collision beam 1 is achieved, and therefore, the impact force generated by collision is effectively absorbed through the flexible arrangement of the energy absorption box 2 and the elastic buffer blocks 3 in the energy absorption box, the deformation of a vehicle body and a cab is reduced, and the riding safety of drivers and passengers is improved.

The elastic buffer block 3 can be made of TPV/EPDM rubber or other elastic dense rubber materials, and the shape of the elastic buffer block 3 is the same as the cavity structure of the crumpling cavity 21 of the energy absorption box 2 so as to be fixed in the crumpling cavity 21 through extrusion deformation, thereby assisting the energy absorption and buffering functions of the crumpling cavity 21.

According to the utility model provides an anticollision roof beam subassembly 100, carry out redesign through the structure to energy-absorbing box 2, and select to set up elastic buffer block 3 in a flexible way, so that the rigidity of energy-absorbing box 2 can adjust according to the striking requirement of reality in a flexible way, thereby increase anticollision roof beam subassembly 100's buffering energy-absorbing time, reduce impact force transmission speed, therefore, can solve different motorcycle type platformization use problems, can satisfy the collision requirement of different motorcycle types again, the crash performance to the volume production motorcycle type also can be updated the adjustment at any time, promote anticollision roof beam subassembly 100's application scope.

In some embodiments, there are M elastic buffer blocks 3, and M elastic buffer blocks 3 are installed in the M crush chambers 21 in a one-to-one correspondence. That is, the number of the crush chambers 21 and the number of the elastic buffer blocks 3 may be set to be the same, so that the elastic buffer blocks 3 can be used as auxiliary structures in each crush chamber 21 to improve the cushioning performance.

As shown in fig. 5 to 7, the number of the crush chambers 21 is 7, wherein the cross-sectional shapes of the crush chambers 21 at the two ends of the energy-absorbing box 2 in the 7 crush chambers 21 are different from the cross-sectional shape of the crush chamber 21 in the middle, as shown in fig. 7, the height of the crush chamber 21 at the leftmost end of the energy-absorbing box 2 is larger and the width thereof is smaller, the height and the width of the plurality of crush chambers 21 at the middle position of the energy-absorbing box 2 are uniform, and the height of the crush chamber 21 at the leftmost end of the energy-absorbing box 2 is smaller. As shown in fig. 8-10, the number of the elastic buffer blocks 3 is 7, the 7 elastic buffer blocks 3 are sequentially stacked, and the shape of the 7 elastic buffer blocks 3 is the same as the cavity shape of the 7 collapsing cavities 21, so that the 7 elastic buffer blocks 3 are respectively and correspondingly installed in the 7 collapsing cavities 21 to play the role of collapsing and energy absorbing.

In some embodiments, the number of the elastic buffer blocks 3 is N, N < M, and N is a positive integer, and the N elastic buffer blocks 3 are installed in the N crush chambers 21 of the M crush chambers 21 in a one-to-one correspondence. That is, in this embodiment, the number of the elastic buffer blocks 3 is smaller than the number of the crush chambers 21, so that the number of the elastic buffer blocks 3 and the actual arrangement position can be flexibly selected to perform different buffering and energy absorbing functions.

If the elastic buffer block 3 is 1, 1 elastic buffer block 3 can be arranged in any 1 crumple cavity 21 in M crumple cavities 21, or the elastic buffer block 3 is 2, 2 can be arranged in any 2 crumple cavities 21 in M crumple cavities 21, or the elastic buffer block 3 is N, and N can be arranged in any N crumple cavities 21 in M crumple cavities 21, so that the flexible adjustment of the rigidity of the energy absorption box 2 is realized, and the adaptability of the anti-collision beam assembly 100 is improved.

In some embodiments, N elastic buffer blocks 3 are correspondingly installed in N sequentially adjacent crumple chambers 21 of the M crumple chambers 21, that is, N elastic buffer blocks 3 are adjacently disposed, that is, the number of the elastic buffer blocks 3 is at least two, if the number of the elastic buffer blocks 3 is 3, 3 elastic buffer blocks 3 can be correspondingly installed in three crumple chambers 21 at the leftmost end of the crash box 2, or 3 elastic buffer blocks 3 can be correspondingly installed in three crumple chambers 21 in the middle of the crash box 2, or 3 elastic buffer blocks 3 can be correspondingly installed in three crumple chambers 21 at the rightmost end of the crash box 2.

In some embodiments, a crumple chamber 21 is formed between at least two adjacent elastic buffer blocks 3 of the N elastic buffer blocks 3, that is, the N elastic buffer blocks 3 are arranged in the energy absorption box 2, and at least two elastic buffer blocks 3 are arranged at intervals,

if the number of the elastic buffer blocks 3 is three, a first one and a second one of the three elastic buffer blocks 3 are adjacently arranged, and the second one and the third one are separated by one crumple chamber 21 or two crumple chambers 21. Or if the number of the elastic buffer blocks 3 is four, the first elastic buffer block 3 is separated from the second elastic buffer block 3 through a crumple chamber 21, the second elastic buffer block 3 is separated from the third elastic buffer block 3 through a crumple chamber 21, and the third elastic buffer block 3 is adjacent to the fourth elastic buffer block 3.

In some embodiments, a crush chamber 21 is spaced between any adjacent two of the N elastomeric bumpers 3. That is, any two adjacent elastic buffer blocks 3 in the N elastic buffer blocks 3 are spaced apart by one crumple chamber 21, if there are three elastic buffer blocks 3, the first elastic buffer block 3 is spaced apart from the second elastic buffer block 3 by one crumple chamber 21, and the second elastic buffer block 3 is spaced apart from the third elastic buffer block 3 by one crumple chamber 21.

From this, the quantity of the elastic buffer block 3 in this application and the quantity of the chamber 21 that contracts of ulcerate and the concrete mounted position of elastic buffer block 3 can set up according to the collision demand of reality in a flexible way to make energy-absorbing box 2 can satisfy the collision demand under different motorcycle types and the different operating condition, promote crashproof roof beam subassembly 100's suitability.

In some embodiments, the crush chamber 21 has a polygonal cross-section, as shown in FIG. 7, and the crush chamber 21 has a hexagonal cross-section, so that the energy-absorbing box 2 can sufficiently improve the crash performance of the impact beam 1 by utilizing the polygonal structural cavity transfer performance and the elastic characteristics of the elastic cushion blocks 3.

In some embodiments, the cross section of the impact beam 1 has mesh holes, and as shown in fig. 11 and 12, the cross section of the impact beam 1 has six cavity holes, that is, the impact beam 1 has six buffer cavities 11, so that the impact beam 1 can effectively enlarge the force-bearing area by improving the cross-sectional structure of the impact beam 1, and can absorb more than 20% of energy than the square cross section, thereby achieving the purpose of improving the buffer performance.

In some embodiments, the front face of the crash box 2 is configured to taper rearwardly from a laterally inner end to a laterally outer end. It can be appreciated that, as shown in fig. 11, the impact beam 1 includes a middle section portion and two end portions, wherein the two end portions are respectively connected to both ends of the middle section portion, and the end portions are disposed obliquely with respect to the middle section portion, and the front end surface of the crash box 2 is configured as an inclined surface, which facilitates more effective attachment to the side surface of the impact beam 1, and facilitates improvement of the structural stability of the impact beam assembly 100.

The present application further provides a vehicle.

According to the vehicle of this application embodiment, be provided with the crashproof roof beam subassembly 100 of any kind of above-mentioned embodiment, can solve different motorcycle types platformization use problem, can satisfy the collision requirement of different motorcycle types again, also can update the adjustment at any time to the crashproof performance of volume production motorcycle type, promote crashproof roof beam subassembly 100's application scope to promote the security performance of whole car.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

In the description of the present application, "the first feature" and "the second feature" may include one or more of the features.

In the description of the present application, "a plurality" means two or more.

In the description of the present application, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact not directly but via another feature therebetween.

In the description of the present application, the first feature being "on," "above" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An impact beam assembly (100), comprising:

an impact beam (1);

the energy absorption box (2) is connected with the anti-collision beam (1), the energy absorption box (2) is provided with M crumple chambers (21), the M crumple chambers (21) are sequentially arranged in the energy absorption box (2) along the front-back direction, at least one of the M crumple chambers (21) is internally provided with an elastic buffer block (3), wherein M is more than or equal to 2, and M is a positive integer;

the mounting base plate (4), the mounting base plate (4) with the energy-absorbing box (2) deviates from the one end of anticollision roof beam (1) links to each other, just mounting base plate (4) are used for linking to each other with the automobile body.

2. The impact beam assembly (100) according to claim 1, wherein the number of the elastic buffer blocks (3) is M, and the M elastic buffer blocks (3) are installed in the M crush chambers (21) in a one-to-one correspondence.

3. The impact beam assembly (100) according to claim 1, wherein the number of the elastic buffer blocks (3) is N, N < M, and N is a positive integer, and the N elastic buffer blocks (3) are installed in the N crush chambers (21) of the M crush chambers (21) in a one-to-one correspondence.

4. The impact beam assembly (100) according to claim 3, wherein N elastic buffer blocks (3) are correspondingly installed in N sequentially adjacent crush chambers (21) of the M crush chambers (21).

5. The impact beam assembly (100) according to claim 3, wherein at least two adjacent ones (3) of the N resilient bumpers (3) are separated by one said crush chamber (21).

6. The impact beam assembly (100) as claimed in claim 5, wherein one of said crush chambers (21) is spaced between any adjacent two of said elastomeric bumpers (3) of said N elastomeric bumpers (3).

7. The impact beam assembly (100) of claim 1, wherein the crush chamber (21) has a polygonal cross-section.

8. The impact beam assembly (100) according to claim 1, wherein the cross-section of the impact beam (1) has mesh-like pores.

9. The impact beam assembly (100) according to claim 1, wherein the front end face of the energy absorption box (2) is configured to be gradually inclined rearward from a laterally inner end to a laterally outer end.

10. A vehicle, characterized in that an impact beam assembly (100) according to any one of claims 1-9 is provided.

Images