Supporting beam assembly of vehicle and vehicle

Abstract

The invention provides a supporting beam assembly of a vehicle and the vehicle. The supporting beam assembly comprises a cabin longitudinal beam assembly, a reinforcing plate assembly and a front wall plate assembly, a containing cavity is formed in the cabin longitudinal beam assembly, and the first end of the cabin longitudinal beam assembly is used for being connected with a front anti-collision beam of the vehicle; one end of the reinforcing plate assembly is arranged in the containing cavity, the other end of the reinforcing plate assembly extends to a doorsill beam of the vehicle and is used for being connected with the doorsill beam, and the middle of the reinforcing plate assembly is further connected with the engine room longitudinal beam assembly; the dash panel assembly comprises a cross beam reinforcing plate and a dash lower cross beam which are arranged in the front-back direction of the vehicle, the cross beam reinforcing plate is arranged on the side, away from the reinforcing plate assembly, of the second end of the engine room longitudinal beam assembly, and one end of the cross beam reinforcing plate extends to the doorsill beam and is connected with the doorsill beam. The front wall lower cross beam is connected with the second end, the other end of the reinforcing plate assembly and the doorsill beam. According to the supporting beam assembly, the collision performance of the vehicle can be improved.

Description

Technical Field

[0001] The present application relates to the field of vehicle technology, and in particular to a support beam assembly of a vehicle and a vehicle. Background Art

[0002] In order to improve the competitiveness of vehicles, various automobile companies have improved their vehicles in different directions, such as the collision performance of vehicles. Existing vehicles have the problem of not smoothly transferring force to the vehicle's threshold beam, resulting in the inability to improve the collision performance of the vehicle. There is an urgent need for a vehicle that can improve the collision performance. Summary of the invention

[0003] The present application provides a support beam assembly of a vehicle and a vehicle, which can improve the collision performance of the vehicle.

[0004] In order to solve the above technical problems, a technical solution adopted in the present application is: providing a support beam assembly of a vehicle, the support beam assembly includes a cabin longitudinal beam assembly, a reinforcement plate assembly and a front panel assembly, the cabin longitudinal beam assembly forms a accommodating cavity, the first end of the cabin longitudinal beam assembly is used to connect with the front anti-collision beam of the vehicle; one end of the reinforcement plate assembly is arranged in the accommodating cavity, the other end of the reinforcement plate assembly extends to the door sill beam of the vehicle and is used to connect with the door sill beam, and the middle part of the reinforcement plate assembly is also connected to the cabin longitudinal beam assembly; the front panel assembly includes a cross beam reinforcement plate and a front panel lower cross beam arranged along the front and rear directions of the vehicle, the cross beam reinforcement plate is arranged on the side of the second end of the cabin longitudinal beam assembly away from the reinforcement plate assembly, and one end of the cross beam reinforcement plate extends to the door sill beam and is connected to the door sill beam, and the front panel lower cross beam is respectively connected to the second end, the other end of the reinforcement plate assembly and the door sill beam.

[0005] The support beam assembly further includes a mounting bracket, which is respectively connected to the second end and the other end of the cross beam reinforcement plate and is used for mounting a subframe of the vehicle.

[0006] Among them, the cabin longitudinal beam assembly includes a longitudinal beam inner plate and a longitudinal beam support plate. The longitudinal beam inner plate is formed with a accommodating cavity, and one end of the longitudinal beam inner plate is connected to the front anti-collision beam; one end of the longitudinal beam support plate is connected to the other end of the longitudinal beam inner plate, and the other end of the longitudinal beam support plate extends to the lower cross beam of the front enclosure, and is respectively connected to the cross beam reinforcement plate, the mounting bracket and the lower cross beam of the front enclosure.

[0007] Among them, the reinforcement plate assembly includes a first reinforcement plate and a second reinforcement plate, the first reinforcement plate is arranged in the accommodating cavity and connected to the inner wall of the accommodating cavity; the front end of the second reinforcement plate is respectively connected to the rear end of the first reinforcement plate and the inner wall of the longitudinal beam support plate, and the rear end of the second reinforcement plate extends to the threshold beam and is connected to the threshold beam and the crossbeam reinforcement plate.

[0008] The second reinforcing plate includes a first side wall and a second side wall, the two ends of the first side wall are respectively connected to the first reinforcing plate, the door sill beam and the lower cross beam of the front panel, and the middle section of the first side wall is also respectively connected to the longitudinal beam support plate and the mounting bracket; the second side wall is connected to the first side wall, and the two ends of the second side wall are respectively connected to the first reinforcing plate and the door sill beam; the second side wall is connected to the side of the first side wall away from the cross beam reinforcement plate, and the opening formed by the second side wall and the first side wall is away from the interior of the vehicle, so that the first side wall and the second side wall close to the interior The side forms a mounting surface, and the mounting surface is used to install the lower front panel of the front panel assembly.

[0009] Among them, the other end of the reinforcement plate assembly and the second end of the cabin longitudinal beam assembly are arranged along the left and right direction of the vehicle, the crossbeam reinforcement plate and the second end of the cabin longitudinal beam assembly are arranged along the up and down direction of the vehicle, and the crossbeam reinforcement plate extends along the left and right direction.

[0010] Among them, the front panel assembly also includes an integrated front panel lower panel, the front panel lower panel and the front panel lower cross beam are arranged along the up and down direction of the vehicle, and the rear part of the front panel lower panel is flush with the top of the front panel lower cross beam.

[0011] Among them, the cabin longitudinal beam assembly also includes a longitudinal beam outer plate. The longitudinal beam outer plate, the longitudinal beam inner plate and the longitudinal beam support plate are arranged along the left and right directions of the vehicle and are respectively connected to the longitudinal beam inner plate, the reinforcement plate assembly and the threshold beam.

[0012] The projection of the second side wall in the up-down direction of the vehicle falls on the crossbeam reinforcement plate.

[0013] In order to solve the above technical problem, another technical solution adopted in the present application is: providing a vehicle, which includes the above support beam assembly.

[0014] The beneficial effects of the present application are as follows: the support beam assembly of the present application includes a cabin longitudinal beam assembly, a reinforcement plate assembly and a front panel assembly, the cabin longitudinal beam assembly is formed with a accommodating cavity, the first end of the cabin longitudinal beam assembly is used to connect with the front anti-collision beam of the vehicle; one end of the reinforcement plate assembly is arranged in the accommodating cavity, the other end of the reinforcement plate assembly extends to the door sill beam of the vehicle and is used to connect with the door sill beam, and the middle part of the reinforcement plate assembly is also connected to the cabin longitudinal beam assembly; the front panel assembly includes a cross beam reinforcement plate and a front panel lower cross beam arranged along the front and rear directions of the vehicle, the cross beam reinforcement plate is arranged on the side of the second end of the cabin longitudinal beam assembly away from the reinforcement plate assembly, and one end of the cross beam reinforcement plate extends to the door sill beam and is connected to the door sill beam, and the front panel lower cross beam is respectively connected to the second end, the other end of the reinforcement plate assembly and the door sill beam. Therefore, the cabin longitudinal beam assembly of the present application is connected to the front anti-collision beam of the vehicle. When the front anti-collision beam or the cabin longitudinal beam assembly encounters a collision, the collision force is transmitted along the front and rear direction of the vehicle through the cabin longitudinal beam assembly, and the cabin longitudinal beam assembly transmits the collision force to the threshold beam through the reinforcement plate assembly; further, the cabin longitudinal beam assembly transmits the collision force to the threshold beam through the cross beam reinforcement plate and the front lower cross beam, thereby improving the smoothness of the transition of the collision force to the threshold beam, thereby improving the collision performance of the vehicle; in addition, the cross beam reinforcement plate can also reduce the transmission efficiency of the collision force along the left and right direction of the vehicle, further improving the collision performance of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0016] Figure 1 is a structural schematic diagram of an embodiment of a support beam assembly provided by the present application;

[0017] Figure 2 It is a structural schematic diagram of an embodiment of an arrangement of a cabin longitudinal beam assembly, a reinforcement plate assembly and a cross beam reinforcement plate provided by the present application;

[0018] Figure 3 It is a structural schematic diagram of an embodiment of the arrangement of the cabin longitudinal beam assembly and the cross beam reinforcement plate provided by the present application;

[0019] Figure 4 It is a structural schematic diagram of an embodiment of a cabin longitudinal beam assembly provided by the present application;

[0020] Figure 5 is a structural schematic diagram of another embodiment of a cabin longitudinal beam assembly provided by the present application;

[0021] Figure 6It is a structural schematic diagram of an embodiment of a front lower panel provided by the present application;

[0022] Figure 7 It is a structural schematic diagram of a vehicle embodiment provided by the present application. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0024] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0025] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0026] See also Figure 1 , Figure 11 is a schematic structural diagram of an embodiment of a support beam assembly of a vehicle provided by the present application, wherein the support beam assembly 10 comprises a cabin longitudinal beam assembly 100, a reinforcing plate assembly 200 and a front panel assembly, wherein the cabin longitudinal beam assembly 100 is formed with a receiving cavity 101, and a first end of the cabin longitudinal beam assembly 100 is used to connect with a front anti-collision beam of the vehicle. One end of the reinforcing plate assembly 200 is arranged in the receiving cavity 101, and the other end of the reinforcing plate assembly 200 extends to a sill beam 500 of the vehicle and is used to connect with the sill beam 500, and the middle part of the reinforcing plate assembly 200 is also connected with the cabin longitudinal beam assembly 100. The dash assembly includes a cross beam reinforcement plate 310 and a dash lower cross beam 320 arranged along the front and rear directions of the vehicle. The cross beam reinforcement plate 310 is provided on the side of the second end of the cabin longitudinal beam assembly 100 away from the reinforcement plate assembly 200, and one end of the cross beam reinforcement plate 310 extends to the sill beam 500 and is connected to the sill beam 500, and the dash lower cross beam 320 is respectively connected to the second end of the cabin longitudinal beam assembly 100, the other end of the reinforcement plate assembly 200 and the sill beam 500.

[0027] It can be known that the dash panel assembly is arranged near the front of the vehicle, between the front door of the vehicle and the front wheel of the vehicle, and arranged along the left and right directions of the vehicle. Among them, the dash panel assembly also includes a dash middle cross beam 330, and a cross beam reinforcement plate 310 is arranged on both the left and right sides of the dash middle cross beam 330, and the cross beam reinforcement plate 310 can transmit the collision force along the left and right directions. In addition, the left and right sides of the vehicle are provided with a cabin longitudinal beam assembly 100 and a reinforcement plate assembly 200, and the cabin longitudinal beam assemblies 100 and reinforcement plate assemblies 200 on the left and right sides are arranged at intervals on the left and right sides of the dash panel assembly. The reinforcement plate assembly 200 can enhance the rigidity of the cabin longitudinal beam assembly 100.

[0028] The cabin longitudinal beam assembly 100 of the present application is connected to the front anti-collision beam of the vehicle. When the front anti-collision beam or the cabin longitudinal beam assembly 100 encounters a collision, the collision force is transmitted along the front and rear direction of the vehicle through the cabin longitudinal beam assembly 100, and the cabin longitudinal beam assembly 100 transmits the collision force to the threshold beam 500 through the reinforcement plate assembly 200; further, the cabin longitudinal beam assembly 100 transmits the collision force to the threshold beam 500 through the cross beam reinforcement plate 310 and the front lower cross beam 320, thereby improving the smoothness of the transition of the collision force to the threshold beam 500, thereby improving the collision performance of the vehicle; in addition, the cross beam reinforcement plate 310 can also reduce the transmission efficiency of the collision force along the left and right direction of the vehicle, further improving the collision performance of the vehicle.

[0029] It is worth noting that the connection with the threshold beam 500 mentioned in the present application may be achieved by connecting with the threshold beam 500 via a connecting piece or the like.

[0030] Optionally, see Figure 2 , Figure 2It is a structural schematic diagram of an embodiment of the cabin longitudinal beam assembly, reinforcement plate assembly and cross beam reinforcement plate arrangement provided in the present application, the other end of the reinforcement plate assembly 200 and the second end of the cabin longitudinal beam assembly 100 are arranged along the left-right direction of the vehicle, the cross beam reinforcement plate 310 and the second end of the cabin longitudinal beam assembly 100 are arranged along the up-down direction of the vehicle, and the cross beam reinforcement plate 310 extends along the left-right direction. It can be understood that the cabin longitudinal beam assembly 100 serves as the first force transmission mechanism of the vehicle, the reinforcement plate assembly 200 serves as the second force transmission mechanism of the vehicle, and the cross beam reinforcement plate 310 serves as the third force transmission mechanism of the vehicle, wherein the first force transmission mechanism, the second force transmission mechanism and the third force transmission mechanism form a trident structure, which can enhance the connection stability among the first force transmission mechanism, the second force transmission mechanism and the third force transmission mechanism; in addition, the first force transmission mechanism, the second force transmission mechanism and the third force transmission mechanism can transmit the main collision force to the threshold beam 500, improve the smoothness of the transition of the collision force to the threshold beam 500, and improve the collision performance of the vehicle; further, the third force transmission mechanism can also reduce the transmission efficiency of the collision force along the left and right directions of the vehicle, and further improve the collision performance of the vehicle.

[0031] Specifically, see Figure 3 , Figure 3 1 is a schematic diagram of the structure of an embodiment of the arrangement of the cabin longitudinal beam assembly and the cross beam reinforcement plate provided by the present application. The cross beam reinforcement plate 310 is designed in a "human" shape. The left part of the "human" shape, i.e., one end of the cross beam reinforcement plate 310, extends to the threshold beam 500, and the right part, i.e., the other end of the cross beam reinforcement plate 310, constitutes a part of the front center cross beam 330. The cross beam reinforcement plate 310 is located on the side of the second end of the cabin longitudinal beam assembly 100 away from the reinforcement plate assembly 200, and is designed in a cross with the cabin longitudinal beam assembly 100.

[0032] Optionally, in order to further improve the collision performance of the vehicle, the support beam assembly 10 further includes a mounting bracket 400 for mounting the vehicle subframe. The mounting bracket 400 is respectively connected to the rear end of the cabin longitudinal beam assembly 100 and the other end of the cross beam reinforcement plate 310. Specifically, the mounting bracket 400 and the cross beam reinforcement plate 310 can serve as the third force transmission mechanism of the vehicle. The collision force can be transmitted to the subframe along the third force transmission mechanism, and the transmission efficiency of the collision force can be reduced along the left and right direction of the vehicle, which can improve the collision performance of the vehicle.

[0033] Specifically, a mounting bracket 400 is provided on the upper part of the other end of the 'human' shaped cross beam reinforcement plate 310, wherein the mounting bracket 400 is a box-shaped part, and the periphery of the mounting bracket 400 is spot-welded to the second end of the cabin longitudinal beam assembly 100 and the bottom surface and the side surface of the other end of the cross beam reinforcement plate 310. The cross beam reinforcement plate 310 and the mounting bracket 400 form a third force transmission mechanism for frontal force transmission.

[0034] Optionally, see Figure 4 , Figure 4 1 is a schematic diagram of the structure of an embodiment of a cabin longitudinal beam assembly provided by the present application, and the cabin longitudinal beam assembly 100 includes a longitudinal beam inner plate 110 and a longitudinal beam support plate 120. The longitudinal beam inner plate 110 is formed with a receiving cavity 101, and one end of the longitudinal beam inner plate 110 is connected to the front anti-collision beam; one end of the longitudinal beam support plate 120 is connected to the other end of the longitudinal beam inner plate 110, and the other end of the longitudinal beam support plate 120 extends to the front wall lower cross beam 320, and is respectively connected to the cross beam reinforcement plate 310, the mounting bracket 400 and the front wall lower cross beam 320. It can be understood that the longitudinal beam support plate 120 and the longitudinal beam inner plate 110 are connected end to end, and the rear section of the longitudinal beam support plate 120 gradually decreases in the up and down direction of the vehicle and extends to the front wall lower cross beam 320, and the rear section of the longitudinal beam support plate 120 is respectively connected to the cross beam reinforcement plate 310, the mounting bracket 400 and the front wall lower cross beam 320.

[0035] The cabin longitudinal beam assembly 100 of the present embodiment is a segmented longitudinal beam support plate 120 and a longitudinal beam inner plate 110 , which can facilitate the installation and manufacture of the longitudinal beam support plate 120 and the longitudinal beam inner plate 110 .

[0036] Specifically, the longitudinal beam inner plate 110 is in a U-shaped structure as a whole and forms a U-shaped accommodating cavity 101 . The longitudinal beam inner plate 110 with a U-shaped structure can be easily processed.

[0037] Optionally, the rear end of the longitudinal beam support plate 120 is provided with a first mounting portion 121 and a second mounting portion 122, and the rear end of the longitudinal beam support plate 120 close to the mounting bracket 400 extends away from the cross beam reinforcement plate 310 to form the second mounting portion 122, and the first mounting portion 121 and the second mounting portion 122 are used to connect with the front wall lower cross beam 320. The rear end of the longitudinal beam support plate 120 of this embodiment is provided with the first mounting portion 121 and the second mounting portion 122, and the connection stability between the longitudinal beam support plate 120 and the front wall lower cross beam 320 can be improved by the first mounting portion 121 and the second mounting portion 122.

[0038] Optionally, see Figure 5 , Figure 5 It is a structural schematic diagram of another embodiment of the cabin longitudinal beam assembly provided in the present application. The cabin longitudinal beam assembly 100 also includes a longitudinal beam outer panel 130. The longitudinal beam outer panel 130, the longitudinal beam inner panel 110 and the longitudinal beam support panel 120 are arranged along the left and right directions of the vehicle, and are respectively connected to the side of the longitudinal beam inner panel 110 facing away from the interior of the vehicle, the other end of the reinforcement plate assembly 200 and the door sill beam 500.

[0039] Optionally, see Figure 5The reinforcing plate assembly 200 includes a first reinforcing plate 210 and a second reinforcing plate 220, wherein the first reinforcing plate 210 is disposed in the accommodating cavity 101 and connected to the inner wall of the accommodating cavity 101. The front end of the second reinforcing plate 220 is respectively connected to the rear end of the first reinforcing plate 210 and the inner wall of the longitudinal beam support plate 120, and the rear end of the second reinforcing plate 220 extends to the sill beam 500 and is connected to the sill beam 500 and the cross beam reinforcing plate 310. It can be understood that the second reinforcing plate 220 is connected to the first reinforcing plate 210 end to end, and the second reinforcing plate 220 is connected to the inner wall of the longitudinal beam support plate 120 and the longitudinal beam outer plate 130. The rear end of the second reinforcing plate 220 gradually decreases along the up-and-down direction of the vehicle and extends to the sill beam 500, and is connected to the sill beam 500 and the cross beam reinforcing plate 310. The reinforcement plate assembly 200 of this embodiment includes a segmented first reinforcement plate 210 and a second reinforcement plate 220, which can correspondingly enhance the stiffness of the longitudinal beam inner plate 110 and the longitudinal beam support plate 120, while facilitating the installation of the longitudinal beam inner plate 110 and the longitudinal beam support plate 120, as well as facilitating the manufacture of the first reinforcement plate 210 and the second reinforcement plate 220.

[0040] Optionally, the second reinforcing plate 220 includes a first side wall 221 and a second side wall 222, the two ends of the first side wall 221 are respectively connected to the first reinforcing plate 210, the sill beam 500 and the front wall lower cross beam 320, and the middle section of the first side wall 221 is also respectively connected to the longitudinal beam support plate 120 and the mounting bracket 400. The two ends of the second side wall 222 are respectively connected to the first reinforcing plate 210 and the sill beam 500. The second side wall 222 is connected to the side of the first side wall 221 away from the cross beam reinforcing plate 310, and the opening formed by the second side wall 222 and the first side wall 221 is away from the interior of the vehicle, so that the first side wall 221 and the second side wall 222 are close to the interior of the vehicle. The side of the first side wall 221 and the second side wall 222 forms a mounting surface 201, and the mounting surface 201 is used to install the front wall lower plate 340 of the front wall assembly. The second reinforcing plate 220 of the present embodiment includes a first side wall 221 and a second side wall 222 connected to a side of the first side wall 221 away from the cross beam reinforcing plate 310, and the opening formed by the second side wall 222 and the first side wall 221 faces away from the interior of the vehicle, so that the first side wall 221 and the second side wall 222 form a mounting surface 201 on a side close to the interior of the vehicle, and the mounting surface 201 can facilitate the installation of the front lower plate 340.

[0041] Optionally, the projection of the second side wall 222 in the up and down direction of the vehicle falls on the cross beam reinforcement plate 310, so that the cross beam reinforcement plate 310 and the second reinforcement plate 220 are reasonably arranged, and the compactness of the cross beam reinforcement plate 310 and the second reinforcement plate 220 is improved, thereby improving space utilization.

[0042] Optionally, see Figure 6 , Figure 6: is a schematic diagram of the structure of an embodiment of a front lower panel provided by the present application. The front lower panel assembly also includes an integrated front lower panel 340. The front lower panel 340 is arranged on the side of the front lower cross beam 320 close to the interior of the vehicle, and the rear of the front lower panel 340 is flush with the side of the front lower cross beam 320 close to the interior of the vehicle. It can be understood that the rear of the front lower panel 340 is flush with the rear stop of the front lower cross beam 320. Among them, the front lower panel 340 is made of hot-pressed high-strength plate material, which also plays a role in transmitting force.

[0043] In this embodiment, an integrated lower front panel 340 is provided. The lower front panel 340, the lower front cross beam 320 and the three force transmission mechanisms transmit most of the front energy to the door sill beam 500. At the same time, the lower front cross beam 320 blocks the front energy. The lower front cross beam 320 and the lower front panel 340 form a transverse partition structure, which reduces the deformation of the rear floor and optimizes the upper extrusion force of the battery. Therefore, the overall collision performance of the vehicle is excellent. In addition, the side of the lower front panel 340 close to the lower front cross beam 320 is flush with the rear trim of the lower front cross beam 320, and the rear of the trim is the front floor panel. The lower front cross beam 320, the left and right door sill beams and the rear floor frame are combined into a frame structure, which can expand the battery body integrated structure, increase the use space inside the battery box and have good sealing performance.

[0044] The present application also provides a vehicle, see Figure 7 , Figure 7 is a schematic diagram of the structure of an embodiment of a vehicle provided by the present application, such as Figure 7 As shown, the vehicle 20 includes a support beam assembly, wherein the support beam assembly is any one of the support beam assembly embodiments described above, which will not be described in detail herein. It is worth noting that the technical effects that can be achieved by the support beam assembly can also be achieved in the vehicle.

[0045] In the description of the present application, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, mechanisms, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, mechanisms, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0046] The above are only implementation methods of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A support beam assembly for a vehicle, characterized in that: include: a cabin longitudinal beam assembly, forming a receiving cavity, wherein a first end of the cabin longitudinal beam assembly is used to connect to a front anti-collision beam of the vehicle; a reinforcing plate assembly, one end of the reinforcing plate assembly being disposed in the accommodating cavity, the other end of the reinforcing plate assembly extending to and connected to the sill beam of the vehicle, and a middle portion of the reinforcing plate assembly being further connected to the cabin longitudinal beam assembly; The dash assembly includes a crossbeam reinforcement plate and a dash lower crossbeam arranged along the front-to-back direction of the vehicle. The crossbeam reinforcement plate is provided on the side of the second end of the cabin longitudinal beam assembly facing away from the reinforcement plate assembly, and one end of the crossbeam reinforcement plate extends to the sill beam and is connected to the sill beam. The dash lower crossbeam is respectively connected to the second end, the other end of the reinforcement plate assembly and the sill beam.

2. The support beam assembly according to claim 1, wherein: The support beam assembly further comprises: A mounting bracket is connected to the second end and the other end of the crossbeam reinforcement plate respectively, and is used for mounting the subframe of the vehicle.

3. The support beam assembly according to claim 2, wherein: The cabin longitudinal beam assembly comprises: A longitudinal beam inner plate is formed with the accommodating cavity, and one end of the longitudinal beam inner plate is connected to the front anti-collision beam; A longitudinal beam support plate, one end of the longitudinal beam support plate is connected to the other end of the longitudinal beam inner plate, and the other end of the longitudinal beam support plate extends to the front lower cross beam and is respectively connected to the cross beam reinforcement plate, the mounting bracket and the front lower cross beam.

4. The support beam assembly according to claim 3, wherein: The reinforcement plate assembly comprises: a first reinforcing plate, disposed in the accommodating cavity and connected to an inner wall of the accommodating cavity; The second reinforcing plate has a front end connected to the rear end of the first reinforcing plate and the inner wall of the longitudinal beam support plate, and a rear end of the second reinforcing plate extends to the sill beam and is connected to the sill beam and the crossbeam reinforcing plate.

5. The support beam assembly according to claim 4, wherein: The second reinforcing plate includes: a first side wall, wherein both ends of the first side wall are respectively connected to the first reinforcing plate, the door sill beam and the front lower cross beam, and a middle section of the first side wall is also respectively connected to the longitudinal beam support plate and the mounting bracket; a second side wall connected to the first side wall, with two ends of the second side wall respectively connected to the first reinforcing plate and the door sill beam; The second side wall is connected to the side of the first side wall facing away from the crossbeam reinforcement plate, and the opening formed by the second side wall and the first side wall faces away from the interior of the vehicle, so that the first side wall and the second side wall form a mounting surface on the side close to the interior, and the mounting surface is used to mount the lower front panel of the front panel assembly.

6. The support beam assembly according to claim 1, wherein: The other end of the reinforcement plate assembly and the second end of the cabin longitudinal beam assembly are arranged along the left-right direction of the vehicle, the crossbeam reinforcement plate and the second end of the cabin longitudinal beam assembly are arranged along the up-down direction of the vehicle, and the crossbeam reinforcement plate extends along the left-right direction.

7. The support beam assembly according to claim 2, wherein: The dash panel assembly further includes an integrated dash lower panel, the dash lower panel and the dash lower cross member are arranged in the up-down direction of the vehicle, and the rear portion of the dash lower panel is flush with the top of the dash lower cross member.

8. The support beam assembly according to claim 3, wherein: The cabin longitudinal beam assembly further comprises: The longitudinal beam outer plate, the longitudinal beam inner plate and the longitudinal beam support plate are arranged along the left-right direction of the vehicle and are respectively connected to the longitudinal beam inner plate, the reinforcement plate assembly and the sill beam.

9. The support beam assembly according to claim 5, wherein: A projection of the second side wall in the vertical direction of the vehicle falls on the cross member reinforcement plate.

10. A vehicle, characterized in that: include: The support beam assembly according to any one of claims 1 to 9.

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