Anti-collision beam assembly and vehicle

Abstract

This application provides a crash beam assembly and a vehicle. The crash beam assembly, applied to a vehicle, includes a crash beam and a top wall and a bottom wall disposed opposite each other in the height direction of the vehicle. An energy-absorbing box is disposed on the crash beam and extends along a first direction perpendicular to the height direction. The energy-absorbing box includes a top, a bottom, and a fixing portion. In the height direction, the top and bottom are disposed opposite each other to form an energy-absorbing space. The energy-absorbing space is located on one side of the crash beam in the first direction. In the height direction, the top is higher than the top wall, and the bottom is higher than the bottom wall. The fixing portion extends from within the energy-absorbing space to above the top wall and is fixed to the top wall. The fixing portion, extending from the energy-absorbing space on one side of the crash beam to above the top wall, has a relatively long length, increasing its own structural strength, improving the connection strength between the crash beam and the energy-absorbing box, preventing the energy-absorbing box from detaching from the crash beam during a vehicle collision, and improving the collision energy absorption effect of the crash beam assembly.

Description

Technical Field

[0001] This application relates to the field of vehicle technology, and in particular to a crash beam assembly and a vehicle. Background Technology

[0002] As technology advances and vehicle acceleration performance improves, the probability of collisions also increases. Vehicles are equipped with anti-collision beam assemblies on the front or rear sides. These assemblies consist of anti-collision beams and energy-absorbing boxes. The anti-collision beams are used to contact external impact objects, while the energy-absorbing boxes absorb energy through crumpling.

[0003] Because the vehicle is impacted at a low position, the energy-absorbing box is subjected to a downward force, making it easy for the energy-absorbing box to detach from the crash beam, thus preventing it from continuously absorbing energy and reducing the collision energy absorption effect of the crash beam assembly. Utility Model Content

[0004] This application provides a crash beam assembly and a vehicle to solve related technical problems.

[0005] A crash beam assembly, used in a vehicle, includes:

[0006] The anti-collision beam includes a top wall and a bottom wall disposed opposite to each other in the height direction of the vehicle;

[0007] An energy-absorbing box is disposed on the anti-collision beam and extends along a first direction, which is perpendicular to the height direction; the energy-absorbing box includes a top, a bottom, and a fixing part;

[0008] In the height direction, the top and bottom are positioned opposite each other to form an energy-absorbing space; the energy-absorbing space is located on one side of the anti-collision beam in the first direction;

[0009] In the height direction, the top is higher than the top wall, and the bottom is higher than the bottom wall; the fixing part extends from the energy absorption space to above the top wall and is fixed to the top wall.

[0010] Because the top of the energy-absorbing box is higher than the top wall of the crash beam, and the bottom of the energy-absorbing box is higher than the bottom wall of the crash beam, the crash beam is lower than the energy-absorbing box in the height direction. Since vehicle collisions typically occur at a low point, setting the crash beam's height lower than the energy-absorbing box allows the crash beam to more directly contact the collision energy, absorbing impact force and improving the crash beam assembly's energy absorption performance. Simultaneously, the fixing part extends from the energy-absorbing space on one side of the crash beam to the top wall, having a longer length. This increases its structural strength and improves the connection strength between the crash beam and the energy-absorbing box, preventing the energy-absorbing box from detaching from the crash beam during a collision and allowing it to continuously absorb energy, further improving the crash beam assembly's energy absorption performance.

[0011] Optionally, the energy-absorbing box further includes a pair of sides disposed opposite to each other in a second direction, the top, the bottom and the fixing part are all connected to the pair of sides, the second direction is perpendicular to the height direction; the second direction is perpendicular to the first direction.

[0012] Because the top, bottom, and fixing parts are all connected to a pair of sides, the energy-absorbing box as a whole can maintain a certain strength, preventing the energy-absorbing box from breaking during a vehicle collision and improving the collision energy absorption effect of the anti-collision beam assembly.

[0013] Optionally, the side portion includes an increased portion that is higher than the top wall in the height direction, and the top and the increased portion extend along a third direction to the top of the top wall; the increased portion is fixedly attached to the top wall; the third direction is parallel to and opposite to the first direction.

[0014] Because the top and the raised section extend above the top wall and are fixed to the top wall, the length of the energy-absorbing box is increased, thereby improving its strength and further reducing the risk of breakage.

[0015] Optionally, the fixing part is provided with a first fixing hole, and the top wall is provided with a second fixing hole, the first fixing hole and the second fixing hole being aligned along the height direction; the anti-collision beam assembly further includes a fixing member, the fixing member passing through the first fixing hole and the second fixing hole, and fixing the fixing part to the top wall.

[0016] Because the fastener passes through the first and second fixing holes along the height direction, its orientation is perpendicular to the forces acting on the vehicle. Therefore, the fastener can withstand greater forces, preventing damage and ensuring the energy-absorbing box doesn't detach from the crash beam.

[0017] Optionally, the top extends along a third direction to the top wall above it; the top is provided with a through hole, and the through hole, the first fixing hole and the second fixing hole are aligned in the height direction; the third direction is parallel to and opposite to the first direction.

[0018] By providing a through hole at the top, the fastener can be installed by passing through the through hole along the height direction, which improves the installation efficiency of the fastener and speeds up the assembly of the anti-collision beam assembly.

[0019] Optionally, the anti-collision beam further includes an outer wall, an inner wall, a first reinforcing wall, and a second reinforcing wall; the outer wall and the inner wall connect the top wall and the bottom wall; the first reinforcing wall and the second reinforcing wall connect the outer wall and the inner wall; the outer wall and the inner wall are arranged opposite to each other in the first direction, and the first reinforcing wall and the second reinforcing wall are arranged opposite to each other in the height direction.

[0020] The cross-section of the anti-collision beam is in the shape of a Chinese character 'Mu', which can more effectively resist bending deformation when being collided, prevent the anti-collision beam from being directly dented or broken, thereby maintaining the ability to conduct impact force, ensuring that the impact force is evenly transmitted to the energy-absorbing box, and improving the collision energy-absorbing effect of the anti-collision beam assembly.

[0021] Optionally, the energy-absorbing box further includes a strengthening portion located between the fixing portion and the bottom in the height direction; in the height direction, the first strengthening wall is higher than the second strengthening wall; in the first direction, the bottom is arranged opposite to the second strengthening wall, and the strengthening portion is arranged offset from the first strengthening wall.

[0022] During the collision of the vehicle, the impact force borne by the bottom of the energy-absorbing box is relatively large, and the impact force borne by the strengthening portion is relatively small. Arranging the bottom opposite to the second strengthening wall can improve the structural strength. Arranging the strengthening portion offset from the first strengthening wall weakens the structure to a certain extent. Strengthening or weakening the structure according to the impact borne by different positions of the energy-absorbing box makes the deformation degree of different positions of the energy-absorbing box relatively uniform, enables synchronous crushing, avoids instability, and improves the collision energy-absorbing effect of the anti-collision beam assembly.

[0023] Optionally, the energy-absorbing box is provided with a mounting portion on the side背离 the anti-collision beam; the mounting portion is provided with a first mounting position and a second mounting position; in the height direction, the first mounting position is higher than the top, and the second mounting position is lower than the bottom; in the first direction, the projection of the second mounting position falls within the projection of the anti-collision beam.

[0024] Since the projection of the second mounting position falls within the projection of the anti-collision beam, the distance between the first mounting position and the second mounting position is reduced, the force arm is shortened, the bending moment is reduced, the deformation generated after the mounting portion is stressed is reduced, and the mounting portion is prevented from being torn.

[0025] Optionally, the energy-absorbing box further includes a pair of side portions arranged opposite to each other in the second direction, and both the top and the bottom are connected to the pair of side portions; the second direction is perpendicular to the height direction; the second direction is perpendicular to the first direction; a first collapse hole is provided at the connection between the top and the side portion.

[0026] The impact force borne by the bottom of the energy-absorbing box is greater than that of the top. By providing a first collapse hole at the connection between the top and the side portion to weaken the structure, it is ensured that the deformation degrees of the bottom and the top are unified during the collision, enabling the energy-absorbing box to be crushed synchronously, avoiding instability, and improving the collision energy-absorbing effect of the anti-collision beam assembly.

[0027] Optionally, a second collapse hole is provided at the connection between the bottom and the side portion, and the number of the first collapse holes is greater than the number of the second collapse holes.

[0028] The first and second crumple zones structurally weaken the energy-absorbing box, inducing deformation and improving energy absorption. Since the impact force at the bottom is greater than at the top, the number of first crumple zones is set to be greater than the number of second crumple zones. This ensures that the energy-absorbing box deforms more uniformly upon impact, allowing for synchronized crushing and preventing instability, thus improving the collision energy absorption effect of the anti-collision beam assembly.

[0029] This application provides a vehicle, including: an mounting component, a side panel, a longitudinal beam, and the aforementioned anti-collision beam assembly. The longitudinal beam includes a longitudinal beam body and a longitudinal beam end plate disposed at the end of the longitudinal beam body. The energy-absorbing box has a mounting portion disposed on the side opposite to the anti-collision beam. The mounting component is disposed through the energy-absorbing box, the side panel, and the longitudinal beam end plate.

[0030] The side panels, longitudinal beams, and mounting components are fixed together, which improves the installation strength of the anti-collision beam assembly, thereby improving the overall structural strength of the vehicle and enhancing its safety.

[0031] Optionally, the mounting component includes a first bolt and a second bolt; in the height direction, the first bolt is higher than the top, and the second bolt is lower than the bottom; the second bolt passes through the mounting part, the surrounding plate, and the longitudinal beam end plate along the first direction; the first bolt passes through the longitudinal beam end plate, the surrounding plate, and the mounting part along the third direction; the third direction is parallel to and opposite to the first direction.

[0032] Because the energy-absorbing box is higher than the crash beam in the height direction, there is no obstruction above the energy-absorbing box in the third direction. Therefore, setting the first bolt along the third direction will not cause interference, improving installation efficiency. The crash beam obstructs the bottom of the energy-absorbing box in the third direction. Setting the second bolt along the first direction avoids the crash beam, also improving installation efficiency.

[0033] Optionally, the longitudinal beam further includes a support member, one end of which is connected to the main body of the longitudinal beam, and the other end of which is connected to the end plate of the longitudinal beam or the surrounding plate. By providing the support member, the stress is distributed, the rigidity of the longitudinal beam is improved, and the safety of the vehicle is further enhanced.

[0034] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this specification. Attached Figure Description

[0035] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this specification and, together with the description, serve to explain the principles of this specification.

[0036] Figure 1This is a partial structural diagram of a vehicle according to an exemplary embodiment of this application;

[0037] Figure 2 This is a structural diagram of a crash beam assembly according to an exemplary embodiment of this application;

[0038] Figure 3 This is a partial structural diagram of a vehicle according to an exemplary embodiment of this application;

[0039] Figure 4 This is a cross-sectional view of a vehicle in an exemplary embodiment of this application;

[0040] Figure 5 This is a cross-sectional schematic diagram of a vehicle according to an exemplary embodiment of this application;

[0041] Figure 6 This is a partial structural diagram of a vehicle from a rear view in an exemplary embodiment of this application;

[0042] Figure 7 This is a partial structural diagram of a vehicle from a rear view in an exemplary embodiment of this application;

[0043] Figure 8 This is a partial structural diagram of a longitudinal beam in an exemplary embodiment of this application;

[0044] Figure 9 This is a partial structural diagram of a vehicle from a rear view in an exemplary embodiment of this application.

[0045] Reference numerals: Anti-collision beam - 10; Top wall - 11; Second fixing hole - 111; Bottom wall - 12; Outer wall - 13; Tow hook mounting hole - 131; Tow hook - 132; Inner wall - 14; First reinforcing wall - 15; Second reinforcing wall - 16; Energy absorption box - 20; Energy absorption space - 200; Top - 21; Through hole - 211; Bottom - 22; Fixing part - 23; First fixing hole - 231; Side part - 24; Heightening part - 241; Reinforcing part - 25; Mounting part - 26; First mounting Mounting position -261; Second mounting position -262; First contraction hole -27; Second contraction hole -28; Fixing component -30; Mounting component -40; First bolt -41; First nut -411; Second bolt -42; Second nut -421; Enclosure panel -50; Enclosure panel body -51; Enclosure panel end plate -52; Longitudinal beam -60; Longitudinal beam body -61; Longitudinal beam end plate -62; Mounting hole -621; Support component -63; First support component -631; Second support component -632; Reinforcing plate -64. Detailed Implementation

[0046] The technical solutions in the embodiments (or "implementations") of this application will be clearly and completely described herein with reference to the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.

[0047] If the embodiments of this application contain terms relating to directional indications or positional relationships (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationships and movement of the components in a specific posture (as shown in the attached figures); if the specific posture changes, the directional indications or positional relationships will also change accordingly. Furthermore, the terms "first" and "second" used in the embodiments of this application are only for descriptive convenience and should not be construed as indicating or implying relative importance.

[0048] like Figure 1 As shown, this application provides a vehicle. The vehicle includes a crash beam assembly, mounting brackets 40, a bulkhead 50, and a longitudinal beam 60. The crash beam assembly includes a crash beam 10, an energy-absorbing box 20, and a fixing member 30. Please refer to the following documents. Figure 2 and Figure 3 As shown, the anti-collision beam 10 includes a top wall 11 and a bottom wall 12, which are arranged opposite each other in the height direction H of the vehicle.

[0049] The energy-absorbing box 20 is disposed on the anti-collision beam 10 and extends along a first direction X. The first direction X is perpendicular to the height direction H. The energy-absorbing box 20 includes a top 21, a bottom 22, and a fixing part 23. Please refer to the attached document. Figure 4 As shown, in the height direction H, the top 21 and the bottom 22 are positioned opposite each other to form an energy-absorbing space 200. The energy-absorbing space 200 is located on one side of the anti-collision beam 10 in the first direction X.

[0050] The crash beam assembly can be either a front crash beam assembly or a rear crash beam assembly. When the crash beam assembly is a front crash beam assembly, the first direction X is the direction from front to back of the vehicle. When the crash beam assembly is a rear crash beam assembly, the first direction X is the direction from back to front of the vehicle.

[0051] In the height direction H, the top 21 is higher than the top wall 11, and the bottom 22 is higher than the bottom wall 12. The fixing part 23 extends from the energy absorption space 200 to above the top wall 11 and is fixed to the top wall 11.

[0052] Since the top 21 of the energy absorption box 20 is higher than the top wall 11 of the bumper beam 10 and the bottom 22 of the energy absorption box 20 is higher than the bottom wall 12 of the bumper beam 10, the bumper beam 10 is lower than the energy absorption box 20 in the height direction H. Since the collision position of the vehicle is generally relatively low, setting the height of the bumper beam 10 lower than that of the energy absorption box 20 enables the bumper beam 10 to more directly contact the collision energy, absorb the impact force, and improve the collision energy absorption effect of the bumper beam assembly.

[0053] Meanwhile, the fixing portion 23 extends from within the energy absorption space 200 on one side of the bumper beam 10 to above the top wall 11. It has a relatively long length, increasing its own structural strength, enhancing the connection strength between the bumper beam 10 and the energy absorption box 20, preventing the energy absorption box 20 from detaching from the bumper beam 10 during the collision of the vehicle, enabling it to continuously absorb energy, and further improving the collision energy absorption effect of the bumper beam assembly.

[0054] As Figure 2 shown, in one embodiment, the bumper beam 10 further includes an outer wall 13, an inner wall 14, a first reinforcing wall 15, and a second reinforcing wall 16. The outer wall 13 and the inner wall 14 connect the top wall 11 and the bottom wall 12. The first reinforcing wall 15 and the second reinforcing wall 16 connect the outer wall 13 and the inner wall 14. The outer wall 13 and the inner wall 14 are arranged opposite to each other in the first direction X, and the first reinforcing wall 15 and the second reinforcing wall 16 are arranged opposite to each other in the height direction H.

[0055] The cross-section of the bumper beam 10 is in the shape of a Chinese character'mu' (目), which can more effectively resist bending deformation when subjected to collision energy, prevent the bumper beam 10 from being directly dented or broken, thereby maintaining the ability to conduct the impact force, ensuring that the impact force is transmitted to the energy absorption box 20, and improving the collision energy absorption effect of the bumper beam assembly.

[0056] A tow hook mounting hole 131 is provided on the outer wall 13 for mounting a tow hook 132. The first direction X is the direction away from the tow hook 132. During actual use, when the vehicle fails, rescue equipment (such as a tow truck, etc.) is fixedly connected to the vehicle through the tow hook 132 and is used to tow the vehicle. Of course, in other embodiments, the tow hook 132 of the vehicle can also be applied in other scenarios. For example, if the vehicle is a motorhome, the tow hook 132 can be used to connect other towing equipment.

[0057] As Figures 2 to 4 shown, in one embodiment, the energy absorption box 20 further includes a pair of side portions 24 arranged opposite to each other in the second direction Y. The top 21, the bottom 22, and the fixing portion 23 are all connected to the pair of side portions 24. The second direction Y is perpendicular to the height direction H. The second direction Y is perpendicular to the first direction X. Specifically, the second direction Y is the left-right direction of the vehicle.

[0058] Since the top 21, bottom 22 and fixing part 23 are all connected to a pair of side parts 24, the energy absorption box 20 as a whole can maintain a certain strength, preventing the energy absorption box 20 from breaking during vehicle collision, and improving the collision energy absorption effect of the anti-collision beam assembly.

[0059] like Figure 5 As shown, in one embodiment, the fixing part 23 is provided with a first fixing hole 231, and the top wall 11 is provided with a second fixing hole 111. The first fixing hole 231 and the second fixing hole 111 are aligned along the height direction. The fixing member 30 passes through the first fixing hole 231 and the second fixing hole 111 and fixes the fixing part 23 to the top wall 11. The fixing member 30 can be a bolt, pin, etc., and the specific type is not limited.

[0060] Because the fastener 30 passes through the first fixing hole 231 and the second fixing hole 111 along the height direction, its setting direction is perpendicular to the force applied to the vehicle. Specifically, the drag force or impact force applied to the vehicle is perpendicular to the setting direction of the fastener 30. Therefore, the fastener 30 can withstand greater forces, and the energy-absorbing box 20 will only separate from the anti-collision beam 10 after the fastener 30 breaks, preventing the energy-absorbing box 20 from falling off the anti-collision beam 10.

[0061] In this embodiment, the top 21 extends along a third direction Z to the top wall 11. The top 21 is provided with a through hole 211, and the through hole 211, the first fixing hole 231, and the second fixing hole 111 are aligned in the height direction. The third direction Z is parallel to and opposite to the first direction X. By providing the through hole 211 in the top 21, the fastener 30 can be installed by passing through the through hole 211 along the height direction, improving the installation efficiency of the fastener and accelerating the assembly speed of the anti-collision beam assembly.

[0062] In one embodiment, the side portion 24 includes a raised portion 241 that is higher than the top wall 11 in the height direction. The top portion 21 and the raised portion 241 extend along a third direction Z to above the top wall 11. The raised portion 241 is fitted and fixed to the top wall 11.

[0063] Since the top 21 and the heightening part 241 extend above the top wall 11 and the heightening part 241 is attached and fixed to the top wall 11, the length of the energy-absorbing box 20 is increased, thereby improving its own strength and reducing the risk of breakage of the energy-absorbing box 20, so as to ensure the energy absorption effect during vehicle collision.

[0064] like Figures 2 to 4As shown, the energy-absorbing box 20 also includes a reinforcing portion 25. The reinforcing portion 25 connects to a pair of side portions 24. The reinforcing portion 25 is located between the fixing portion 23 and the bottom portion 22 in the height direction H. In the height direction H, the first reinforcing wall 15 is higher than the second reinforcing wall 16. In the first direction X, the bottom portion 22 and the second reinforcing wall 16 are aligned, and the reinforcing portion 25 is offset from the first reinforcing wall 15.

[0065] During a vehicle collision, the bottom 22 of the energy-absorbing box 20 experiences a greater impact force, while the reinforcing part 25 experiences a smaller impact force. Aligning the bottom 22 with the second reinforcing wall 16 improves structural strength. Misaligning the reinforcing part 25 with the first reinforcing wall 15 weakens the structure. By strengthening or weakening the structure based on the impact experienced at different locations of the energy-absorbing box 20, the deformation of the energy-absorbing box 20 at different locations becomes more uniform, enabling synchronized crushing, preventing instability, and improving the collision energy absorption effect of the anti-collision beam assembly.

[0066] It should be noted that "the bottom 22 and the second reinforcing wall 16 are aligned" should be understood as: when viewed from the perspective of the first direction X, the bottom 22 and the second reinforcing wall 16 at least partially overlap; that is, in the height direction H, the bottom 22 and the second reinforcing wall 16 are at least approximately flush. "The reinforcing part 25 and the first reinforcing wall 15 are misaligned" should be understood as: when viewed from the perspective of the first direction X, the reinforcing part 25 and the first reinforcing wall 15 do not overlap; that is, in the height direction H, there is a certain height difference between the reinforcing part 25 and the first reinforcing wall 15.

[0067] The energy-absorbing box 20 has a mounting portion 26 on the side facing away from the anti-collision beam 10. The mounting portion 26 has a first mounting position 261 and a second mounting position 262. The mounting portion 26 may be a plate structure. The first mounting position 261 and the second mounting position 262 may be a hole structure. In one embodiment, in the height direction H, the first mounting position 261 is higher than the top 21. The second mounting position 262 is lower than the bottom 22. In the first direction X, the projection of the second mounting position 262 falls within the projection of the anti-collision beam 10.

[0068] Since the projection of the second mounting position 262 falls within the projection of the anti-collision beam 10, the distance between the first mounting position 261 and the second mounting position 262 in the height direction H is reduced, the lever arm is shortened, the bending moment is reduced, the deformation of the mounting part 26 after being subjected to force is reduced, and the mounting part 26 is prevented from tearing.

[0069] Specifically, there can be multiple first mounting positions 261, spaced apart along the second direction Y. There can also be multiple second mounting positions 262, spaced apart along the second direction Y.

[0070] In one embodiment, a first crumple zone 27 is provided at the connection between the top 21 and the side 24. The bottom 22 of the energy-absorbing box 20 is subjected to a greater impact force than the top 21. By providing the first crumple zone 27 at the connection between the top 21 and the side 24, the structure is weakened, ensuring that the deformation of the bottom 22 and the top 21 is uniform during the collision, so that the energy-absorbing box 20 is crushed synchronously, avoiding instability and improving the collision energy absorption effect of the anti-collision beam assembly.

[0071] In this embodiment, a second crumple zone 28 is provided at the connection between the bottom 22 and the side 24, and the number of first crumple zones 27 is greater than the number of second crumple zones 28. The first crumple zones 27 and the second crumple zones 28 structurally weaken the energy-absorbing box, induce deformation, and improve the energy absorption effect. Since the impact force on the bottom 22 is greater than that on the top 21, setting the number of first crumple zones 27 to be greater than the number of second crumple zones 28 ensures that the deformation degree of the energy-absorbing box 20 is more uniform when the vehicle is impacted, enabling synchronous crushing, avoiding instability, and improving the collision energy absorption effect of the anti-collision beam assembly.

[0072] like Figure 7 As shown, the longitudinal beam 60 includes a longitudinal beam body 61 and a longitudinal beam end plate 62 disposed at the end of the longitudinal beam body 61. The mounting member 40 passes through the mounting part 26, the surrounding plate 50, and the longitudinal beam end plate 62. The surrounding plate 50, the longitudinal beam 60, and the mounting part 26 are fixed together, improving the installation strength of the anti-collision beam assembly, thereby improving the overall structural strength of the vehicle and enhancing vehicle safety. For details, please refer to [further details]. Figure 6 As shown, the enclosure 50 includes an enclosure body 51 and an enclosure end plate 52. The enclosure end plate 52 is clamped and fixed between the longitudinal beam end plate 62 and the mounting part 26.

[0073] When the anti-collision beam assembly is the front anti-collision beam assembly of the vehicle, the bulkhead 50 is the front bulkhead of the vehicle. When the anti-collision beam assembly is the rear anti-collision beam assembly of the vehicle, the bulkhead 50 is the rear bulkhead of the vehicle.

[0074] like Figure 6 As shown, the mounting component 40 includes a first bolt 41 and a second bolt 42. In the height direction H, the first bolt 41 is higher than the top 21, and the second bolt 42 is lower than the bottom 22. The second bolt 42 passes through the mounting portion 26, the surrounding plate 50, and the longitudinal beam end plate 62 along the first direction X. The first bolt 41 passes through the longitudinal beam end plate 62, the surrounding plate 50, and the mounting portion 26 along the third direction Z. The third direction Z is parallel to and opposite to the first direction X.

[0075] Since the energy-absorbing box 20 is higher than the anti-collision beam 10 in the height direction H, there is no obstruction above the energy-absorbing box 20 in the third direction Z. Therefore, setting the first bolt 41 along the third direction Z will not cause interference, thus improving installation efficiency. The energy-absorbing box 20 is obstructed by the anti-collision beam 10 in the third direction Z. Setting the second bolt 42 along the first direction X can avoid the anti-collision beam 10, which also improves installation efficiency.

[0076] Specifically, there may be multiple first bolts 41, spaced apart along the second direction Y. There may also be multiple second bolts 42, spaced apart along the second direction Y.

[0077] In this embodiment, such as Figure 4 As shown, the first nut 411, which mates with the first bolt 41, is located on the side of the mounting portion 26 in the third direction Z, facilitating operation with power tools. Figure 7 As shown, the second nut 421, which mates with the second bolt 42, is located on one side of the longitudinal beam end plate 62 in the first direction X, which facilitates operation of power tools.

[0078] The longitudinal beam 60 also includes a support member 63. One end of the support member 63 is connected to the main body 61 of the longitudinal beam, and the other end is connected to the end plate 62 or the surrounding plate 50 of the longitudinal beam. By setting the support member 63, a triangular support structure is formed to distribute the force, improve the rigidity of the longitudinal beam 60, and further enhance the safety of the vehicle.

[0079] Specifically, such as Figure 8 and Figure 9 As shown, the longitudinal beam end plate 62 is provided with mounting holes 621 for the mounting component 40 to pass through. The support component 63 includes a first support component 631 and a second support component 632. The first support component 631 is located below the longitudinal beam body 61. The second support component 632 is located above the longitudinal beam body 61. The first support component 631 connects the longitudinal beam body 61 and the surrounding plate body 51. The second support component 632 connects the longitudinal beam body 61 and the surrounding plate body 51. A reinforcing plate 64 is vertically provided inside the longitudinal beam body 61 to improve the structural strength of the longitudinal beam 60.

[0080] Taking the front bumper beam assembly as an example and the bulkhead 50 as an example, when the vehicle is towed, the tow hook 132 experiences a forward towing force, and the mounting part 26 provides opposing forces at the first mounting position 261 and the second mounting position 262, thus stabilizing the bumper beam assembly. This force is dispersed through the bulkhead 50 and the longitudinal beam 60. The force on the longitudinal beam 60 is partially dispersed through the support member 63. Therefore, the vehicle has multiple components to disperse the force, reducing the stress concentration on the mounting part 26, lowering the risk of tearing of the mounting part 26, and ensuring vehicle safety.

[0081] It should be noted that the technical solutions or features described in the above embodiments can be combined or supplemented with each other without conflict. The scope of protection of this application is not limited to the precise structures described in the above embodiments and shown in the accompanying drawings; all modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A crash beam assembly, used in a vehicle, characterized in that, include: The anti-collision beam includes a top wall and a bottom wall disposed opposite to each other in the height direction of the vehicle; An energy-absorbing box is disposed on the anti-collision beam and extends along a first direction, which is perpendicular to the height direction; the energy-absorbing box includes a top, a bottom, and a fixing part; In the height direction, the top and the bottom are arranged opposite each other to form an energy-absorbing space; The energy-absorbing space is located on one side of the anti-collision beam in the first direction; In the height direction, the top is higher than the top wall, and the bottom is higher than the bottom wall; the fixing part extends from the energy absorption space to above the top wall and is fixed to the top wall.

2. The crash beam assembly of claim 1, wherein, The energy-absorbing box also includes a pair of sides disposed opposite each other in a second direction, and the top, the bottom and the fixing part are all connected to the pair of sides; the second direction is perpendicular to the height direction; the second direction is perpendicular to the first direction.

3. The crash beam assembly of claim 2, wherein, The side portion includes an increased portion that is higher than the top wall in the height direction, and the top and the increased portion extend along a third direction to the top of the top wall; the increased portion is fixed to the top wall; the third direction is parallel to and opposite to the first direction.

4. The crash beam assembly of claim 1, wherein, The fixing part is provided with a first fixing hole, and the top wall is provided with a second fixing hole. The first fixing hole and the second fixing hole are aligned along the height direction. The anti-collision beam assembly also includes a fixing member, which passes through the first fixing hole and the second fixing hole and fixes the fixing part to the top wall.

5. The crash beam assembly of claim 4, wherein, The top extends along a third direction to the top wall above it; the top is provided with a through hole, and the through hole, the first fixing hole and the second fixing hole are aligned in the height direction; the third direction is parallel to and opposite to the first direction.

6. The crash beam assembly of claim 1, wherein, The anti-collision beam further includes an outer wall, an inner wall, a first reinforcing wall, and a second reinforcing wall; the outer wall and the inner wall connect the top wall and the bottom wall; the first reinforcing wall and the second reinforcing wall connect the outer wall and the inner wall; the outer wall and the inner wall are arranged opposite to each other in the first direction, and the first reinforcing wall and the second reinforcing wall are arranged opposite to each other in the height direction.

7. The crash beam assembly of claim 6, wherein, The energy-absorbing box further includes a reinforcing portion located between the fixing portion and the bottom in the height direction; in the height direction, the first reinforcing wall is higher than the second reinforcing wall; in the first direction, the bottom is aligned with the second reinforcing wall, and the reinforcing portion is offset from the first reinforcing wall.

8. The crash beam assembly of claim 1, wherein, The energy-absorbing box has a mounting portion on the side facing away from the anti-collision beam; the mounting portion has a first mounting position and a second mounting position; in the height direction, the first mounting position is higher than the top, and the second mounting position is lower than the bottom; in the first direction, the projection of the second mounting position falls within the projection of the anti-collision beam.

9. The crash beam assembly of claim 1, wherein, The energy-absorbing box also includes a pair of sides disposed opposite each other in a second direction, and the top and the bottom are each connected to a pair of sides; the second direction is perpendicular to the height direction; the second direction is perpendicular to the first direction; a first collapse hole is provided at the connection between the top and the sides.

10. The crash beam assembly of claim 9, wherein, A second collapse hole is provided at the connection between the bottom and the side, and the number of the first collapse hole is greater than the number of the second collapse hole.

11. A vehicle characterized by comprising: include: The mounting component, the enclosure, the longitudinal beam, and the anti-collision beam assembly as described in any one of claims 1-10, wherein the longitudinal beam includes a longitudinal beam body and a longitudinal beam end plate disposed at the end of the longitudinal beam body, and the energy-absorbing box is provided with a mounting part on the side opposite to the anti-collision beam; the mounting component is disposed through the mounting part, the enclosure, and the longitudinal beam end plate.

12. The vehicle of claim 11, wherein, The mounting component includes a first bolt and a second bolt; in the height direction, the first bolt is higher than the top, and the second bolt is lower than the bottom. The second bolt passes through the mounting portion, the surrounding plate, and the longitudinal beam end plate along the first direction; the first bolt passes through the longitudinal beam end plate, the surrounding plate, and the mounting portion along the third direction; the third direction is parallel to and opposite to the first direction.

13. The vehicle of claim 11, wherein, The longitudinal beam also includes a support member, one end of which is connected to the main body of the longitudinal beam and the other end of which is connected to the end plate of the longitudinal beam or the surrounding plate.

Images