Vehicle body reinforcing structure and vehicle

Abstract

The utility model provides a vehicle body reinforcing structure and a vehicle. The vehicle body reinforcing structure comprises a reinforcing beam arranged at the top of a middle channel and a reinforcing frame arranged above the reinforcing beam. The reinforcing frame and the reinforcing beam extend in the front-back direction of the whole vehicle, the front end of the reinforcing frame and the front end of the reinforcing beam are connected with the front wall assembly, and the rear end of the reinforcing frame inclines downwards from front to back in the left-right direction of the whole vehicle and is connected with the reinforcing beam. According to the vehicle body reinforcing structure, the reinforcing frame is arranged above the reinforcing beam at the top of the middle channel, the front end of the reinforcing frame and the front end of the reinforcing beam are connected with the front wall assembly, the rear end of the reinforcing frame is obliquely arranged from front to back and is connected with the reinforcing beam, and an upper-lower double-layer force transmission structure can be formed; the supporting stability of the front wall assembly can be improved, the front collision force can be transmitted to the rear portion through the double-layer force transmission structure, and therefore the front wall invasion amount can be reduced, and the collision safety of an automobile body can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, and in particular to a vehicle body reinforcement structure; meanwhile, the utility model also relates to a vehicle provided with the vehicle body reinforcement structure. Background Art

[0002] The front part of the vehicle is an important part of the vehicle body structure. It mainly separates the front part of the vehicle body from the cabin and provides a variety of key functions. The front part of the vehicle body intrusion refers to the phenomenon that the front part of the vehicle body intrudes into the passenger compartment during a collision. For example, when a vehicle collides, especially a head-on collision, the front bumper, front longitudinal beam and other parts will be impacted and deformed first. The deformation of these parts will be transmitted backwards, exerting a squeezing force on the front part of the vehicle body, causing it to intrude into the passenger compartment.

[0003] The intrusion of the front panel will directly affect the space in the passenger compartment, especially the leg and foot space of the front passengers. If the intrusion is too large, it may squeeze or jam the legs of the passengers, causing serious injuries or even endangering their lives. Therefore, the intrusion of the front panel is an important indicator for evaluating the safety of a vehicle in a frontal collision. If the intrusion of the front panel is too large, it means that the vehicle fails to effectively protect the space in the passenger compartment during a collision, reducing the overall safety of the vehicle. At present, the front panel and the center channel on the vehicle body are usually excessively connected at a right angle, which provides insufficient support for the front panel in a frontal collision, resulting in uneven transmission of the collision force, resulting in a large amount of front panel intrusion, thereby affecting the collision safety of the vehicle. Utility Model Content

[0004] In view of this, the utility model aims to provide a vehicle body reinforcement structure to reduce the amount of front wall intrusion and improve the collision safety of the vehicle body.

[0005] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0006] A vehicle body reinforcement structure comprises a reinforcement beam arranged at the top of a central channel, and a reinforcement frame arranged above the reinforcement beam; the reinforcement frame and the reinforcement beam both extend along the front-rear direction of the vehicle, and the front ends of the reinforcement frame and the reinforcement beam are both connected to a front enclosure assembly, and when viewed from the left-right direction of the vehicle, the rear end of the reinforcement frame is arranged to be inclined downward from front to rear and is connected to the reinforcement beam.

[0007] Furthermore, a support beam is provided between the reinforcement beam and the reinforcement frame, and the support beam extends in the up-down direction of the vehicle.

[0008] Furthermore, the reinforcement frame is made of extruded aluminum profile or die-cast aluminum profile; and / or the reinforcement beam is made of steel.

[0009] Furthermore, the reinforcement frame includes two longitudinal beams arranged at intervals along the left-right direction of the vehicle, and a plurality of cross beams connected between the two longitudinal beams; the reinforcement beams are arranged one-to-one corresponding to the longitudinal beams, and the reinforcement frame is connected to the corresponding reinforcement beams through the longitudinal beams.

[0010] Furthermore, there are three cross beams arranged at intervals along the front-rear direction of the vehicle, and the reinforcement frame is in the shape of a "sun"; and / or, a cavity is formed between the reinforcement beam and the central channel, and the cavity extends along the length direction of the central channel.

[0011] Furthermore, the front panel assembly includes a front panel and a front panel cross beam arranged at the bottom of the front panel, and a cavity extending along the left and right directions of the vehicle is formed in the front panel cross beam; the front end of the reinforcement frame is connected to the upper end of the front panel cross beam, and the front end of the reinforcement beam is connected to the lower end of the front panel cross beam.

[0012] Furthermore, a connecting frame is provided at the upper end of the front enclosure cross beam, and the connecting frame extends along the left-right direction of the entire vehicle; and the front end of the reinforcing frame is connected to the connecting frame.

[0013] Furthermore, a first mounting portion is provided at the front of the reinforcement frame, and the first mounting portion is used to install a vehicle air conditioner; and / or a second mounting portion is provided at the rear of the reinforcement frame, and the second mounting portion is used to install an instrument pipe beam.

[0014] Furthermore, along the direction from the front to the rear of the vehicle, the width of the reinforcement frame in the left-right direction of the vehicle gradually decreases.

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] The vehicle body reinforcement structure described in the utility model is achieved by arranging a reinforcement frame above the reinforcement beam on the top of the central channel, and the front ends of the reinforcement frame and the reinforcement beam are connected to the front enclosure assembly, and the rear end of the reinforcement frame is arranged to be inclined downward from front to rear and is connected to the reinforcement beam, thereby forming an upper and lower double-layer force transmission structure, which is not only beneficial to improving the supporting stability of the front enclosure assembly, but also allows the frontal collision force to be transmitted to the rear through the double-layer force transmission structure, thereby helping to reduce the intrusion amount of the front enclosure, and further improving the collision safety of the vehicle body.

[0017] In addition, a support beam extending in the vertical direction of the vehicle is arranged between the reinforcement beam and the reinforcement frame, which is not only conducive to further improving the connection strength and stability between the reinforcement beam and the reinforcement frame, but also can further form a force transmission channel between the two. The reinforcement frame is made of extruded aluminum profiles or die-cast aluminum profiles, which is conducive to the lightweight design of the vehicle body reinforcement structure; the reinforcement beam is made of steel, has good strength, and is easy to arrange and implement. The structure of the longitudinal beam and the cross beam in the reinforcement frame is simple, easy to process and form, and has good structural stability. The reinforcement beam and the longitudinal beam are arranged one by one, which is conducive to further improving the transmission effect of the double-layer force transmission structure on the collision force. The reinforcement frame is in the shape of a "sun", which is easy to process and form, and is conducive to the dispersion transmission effect of the collision force; the cavity formed by the enclosure between the reinforcement beam and the middle channel is not only conducive to absorbing the collision force, but also conducive to the dispersion transmission of the collision force backward.

[0018] In addition, by forming a cavity extending in the left-right direction of the vehicle in the front wall cross beam, and setting the connection relationship between the reinforcement frame, the reinforcement beam and the front wall cross beam, it is beneficial to improve the structural strength of the connection between the front wall panel, the reinforcement frame and the reinforcement beam, thereby improving the setting stability of the front end of the double-layer force transmission structure, and better supporting the front wall, thereby helping to reduce the amount of front wall intrusion. The setting of the connecting frame on the front wall cross beam not only has a good structural strength, but also facilitates the connection between the reinforcement frame and the front wall panel.

[0019] Furthermore, the first mounting part on the reinforcement frame is convenient for the installation of the vehicle air conditioner, and the second mounting part is convenient for the installation of the instrument tube beam. Both the first mounting part and the second mounting part are convenient for improving the integration of the reinforcement frame, reducing weight and cost, and improving stiffness performance. The width of the reinforcement frame is gradually reduced from the front to the rear of the vehicle, so that the width of the front end of the reinforcement frame is larger, which is convenient for bearing more frontal collision force, and also convenient for the rear end of the reinforcement frame to adapt to the width of the middle channel, so as to facilitate the transmission of collision force to the middle channel.

[0020] In addition, another object of the present invention is to provide a vehicle, on which the vehicle is provided with the vehicle body reinforcement structure as described above.

[0021] The vehicle described in the utility model is beneficial to improving the collision performance of the vehicle by providing the above-mentioned vehicle body reinforcement structure, thereby helping to improve the safety of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0023] Figure 1It is a structural schematic diagram of the vehicle body reinforcement structure according to an embodiment of the utility model at a first viewing angle;

[0024] Figure 2 It is a structural schematic diagram of the vehicle body reinforcement structure according to an embodiment of the utility model at a second viewing angle;

[0025] Figure 3 It is a structural schematic diagram of the vehicle body reinforcement structure according to an embodiment of the utility model at a third viewing angle;

[0026] Figure 4 It is a partial structural schematic diagram of the vehicle body reinforcement structure according to an embodiment of the utility model;

[0027] Figure 5 This is a schematic diagram of the structure of the reinforcement frame, reinforcement beam and support beam according to an embodiment of the utility model;

[0028] Figure 6 This is a schematic diagram of the structure of the reinforcement beam according to an embodiment of the utility model;

[0029] Figure 7 It is a schematic structural diagram of the reinforcement frame and the support beam according to an embodiment of the utility model from one viewing angle;

[0030] Figure 8 This is a schematic structural diagram of the reinforcement frame and the support beam according to an embodiment of the utility model from another perspective;

[0031] Fig. 9 A top view of the reinforcement frame according to an embodiment of the utility model;

[0032] Fig.10 It is a structural schematic diagram of the connecting frame described in an embodiment of the utility model.

[0033] Description of reference numerals:

[0034] 1. Middle channel; 2. Front panel; 3. Front cross beam; 4. Strengthening frame; 5. Support beam;

[0035] 101, reinforcement beam; 1011, inclined plane;

[0036] 201, strengthening vertical beam; 202, connecting frame; 2021, longitudinal part; 2022, transverse part; 2023, lower flange;

[0037] 301, inner plate of beam; 302, outer plate of beam;

[0038] 401, longitudinal beam; 402, cross beam; 403, mounting plate; 4031, first mounting hole; 404, mounting beam; 4041, second mounting hole;

[0039] 501. Connection part. DETAILED DESCRIPTION

[0040] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0041] In the description of the present utility model, it should be noted that the directional words such as "up, down, left, right, front, and back" used in the present embodiment are defined based on the up-down direction, left-right direction, and front-back direction of the automobile. Among them, the up-down direction of the automobile is also the height direction of the automobile (Z direction), the front-back direction of the automobile is also the length direction of the automobile (X direction), and the left-right direction of the automobile is also the width direction of the automobile (Y direction). In addition, the terms "first" and "second" are used only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0042] In addition, in the description of the present invention, unless otherwise clearly defined, the terms "installation", "connection", "connection", and "connector" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood in combination with specific circumstances.

[0043] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0044] The present embodiment relates to a vehicle body reinforcement structure to solve the problem in the prior art that when a vehicle collides head-on, the front enclosure intrusion is large, thus affecting the safety of the occupants.

[0045] In terms of overall structure, the vehicle body reinforcement structure includes a reinforcement beam 101 disposed at the top of the central channel 1, and a reinforcement frame 4 disposed above the reinforcement beam 101. The reinforcement frame 4 and the reinforcement beam 101 both extend in the front-to-back direction of the vehicle, and the front ends of the reinforcement frame 4 and the reinforcement beam 101 are both connected to the front enclosure assembly. From the left-right direction of the vehicle, the rear end of the reinforcement frame 4 is tilted downward from front to rear and is connected to the reinforcement beam 101.

[0046] The vehicle body reinforcement structure described in this embodiment is achieved by arranging a reinforcement frame 4 above the top reinforcement beam 101 of the central channel 1, and the front ends of the reinforcement frame 4 and the reinforcement beam 101 are connected to the front enclosure assembly, and the rear end of the reinforcement frame 4 is arranged to be inclined downward from front to rear and connected to the reinforcement beam 101, thereby forming an upper and lower double-layer force transmission structure, which is not only beneficial to improving the supporting stability of the front enclosure assembly, but also allows the frontal collision force to be transmitted to the rear through the double-layer force transmission structure, thereby helping to reduce the amount of front enclosure intrusion, and further improving the collision safety of the vehicle body.

[0047] Based on the above overall introduction, an exemplary structure of the vehicle body reinforcement structure in this embodiment is as follows: Figures 1 to 3 As shown in . The dash assembly in this embodiment includes a dash panel 2 and a dash cross beam 3 provided at the bottom of the dash panel 2, and a cavity extending in the left-right direction of the vehicle is formed in the dash cross beam 3. The front end of the reinforcement frame 4 is connected to the upper end of the dash cross beam 3, and the front end of the reinforcement beam 101 is connected to the lower end of the dash cross beam 3.

[0048] Here, by forming a cavity extending in the left-right direction of the vehicle in the front enclosure cross beam 3, the strength of the bottom of the front enclosure assembly and its ability to bear collision force can be improved. The setting of the connection relationship between the front enclosure cross beam 3, the reinforcement frame 4 and the reinforcement beam 101 can help improve the structural strength and load-bearing capacity of the connection between the front enclosure panel 2 assembly and the reinforcement frame 4 and the reinforcement beam 101, thereby improving the setting stability of the front end of the double-layer force transmission structure, better supporting the front enclosure, and thus helping to reduce the amount of front enclosure intrusion.

[0049] In terms of specific structure, Figure 4 As shown in , the dash crossbeam 3 includes a crossbeam inner plate 301 connected to the bottom of the dash panel 2, and a crossbeam outer plate 302 buckled on the outside of the crossbeam inner plate 301. The front end of the reinforcement frame 4 is connected to the upper end of the crossbeam inner plate 301, and the front end of the reinforcement beam 101 is connected to the lower end of the crossbeam inner plate 301. In order to further improve the structural strength of the dash crossbeam 3, the crossbeam inner plate 301 is protruded toward the front of the vehicle, and the crossbeam outer plate 302 is arranged in accordance with the crossbeam inner plate 301. This is conducive to further improving the structural strength of the bottom of the dash assembly, and makes it difficult for the bottom of the dash assembly to invade the passenger compartment, thereby improving the safety of the dash assembly and the passenger compartment.

[0050] like Figure 4 As shown in , the reinforcing beam 101 in this embodiment is located at the top of the front end of the central channel 1, the front end of the reinforcing frame 4 is located above the reinforcing beam 101, and the rear end of the reinforcing frame 4 is connected to the rear end of the reinforcing beam 101. In this way, the reinforcing frame 4 and the reinforcing beam 101 cooperate to support the front wall cross beam 3, which is beneficial to improve the supporting effect of the front wall assembly, thereby facilitating the prevention of the invasion of the front wall. In specific implementation, the reinforcing beam 101 can adopt an integrally formed structure, or a plurality of sections can be arranged in sections, and the multiple sections are connected to each other to form the reinforcing beam 101.

[0051] Reference Figure 5 As shown in the figure, a part of the frontal collision force transmitted from the front enclosure assembly is transmitted rearwardly along the reinforcement frame 4 to the middle channel 1, and the other part of the frontal collision force is directly transmitted to the reinforcement beam 101 and the middle channel 1. This upper and lower double-layer force transmission structure cooperates to disperse the collision force and reduce the collision force borne by the front end of the middle channel 1, which helps to solve the problem of large front enclosure intrusion caused by supporting the front enclosure assembly only by the middle channel 1 in the prior art.

[0052] As a preferred embodiment, Figure 7 and Figure 8 As shown in , the reinforcement frame 4 includes two longitudinal beams 401 arranged at intervals along the left and right directions of the vehicle, and a plurality of cross beams 402 connected between the two longitudinal beams 401. The reinforcement beams 101 are arranged one-to-one with the longitudinal beams 401, and the reinforcement frame 4 is connected to the corresponding reinforcement beams 101 through the longitudinal beams 401. Here, the structures of the two longitudinal beams 401 and the plurality of cross beams 402 are simple, easy to process and form, and the reinforcement frame 4 as a whole has good structural strength and stability. In addition, the reinforcement beams 101 and the longitudinal beams 401 are arranged one-to-one, which is conducive to further improving the transmission and dispersion effect of the double-layer force transmission structure on the collision force.

[0053] Specifically, the cross beam 402 and the longitudinal beam 401 both have cavities extending along their length direction, which is beneficial to further improve the effect of strengthening the cross beam 402 in receiving and transmitting the collision force. Figure 7 As shown in the figure, each longitudinal beam 401 is in an arc shape that bulges away from the central channel 1, which not only has good structural strength, but also can improve the smoothness of the force transmission of the collision force by the reinforcement frame 4. The cross beam inner plate 301 and the longitudinal beams 401 and reinforcement beams 101 arranged on the same side form a triangular force transmission structure.

[0054] As a preferred embodiment, Figure 4 As shown in , the reinforcing frame 4 and the front panel assembly and the reinforcing beam 101 are arranged in a triangular shape, so that the structural strength of the front panel can be improved by utilizing the high stability of the triangle, and the intrusion of the front panel can be reduced in a head-on collision. It should be noted that the triangle in the triangular arrangement here includes a standard triangle composed of three straight sides, and a quasi-triangle in which at least one side is non-straight but the overall composition is triangular.

[0055] The reinforcing frame 4 in this embodiment is arranged in a quasi-triangular shape with the front enclosure assembly and the reinforcing beam 101. Of course, when the portion of the front enclosure assembly used to enclose the above-mentioned triangle is set as a plane and the reinforcing frame 4 is set as a straight shape, the above-mentioned quasi-triangular arrangement can also be made into a triangle. Generally speaking, in specific implementation, it is still preferred to adopt the quasi-triangular shape shown in the figure.

[0056] As an example of a feasible structure, there are three cross beams 402 arranged at intervals in the front-rear direction of the whole vehicle, and the reinforcement frame 4 is in the shape of a Chinese character 'Ri' (日). The overall shape of the reinforcement frame 4 is in the shape of a Chinese character 'Ri', and it has two annular structures arranged front and back, which is beneficial to improving the transmission and dispersion effect of the collision force by the reinforcement frame 4 itself. At the same time, the 'Ri'-shaped reinforcement frame 4 is easy to process and form, and is beneficial to the dispersion and transmission effect of the collision force. Of course, in specific implementation, the number of the cross beams 402 can also be adaptively increased or decreased according to the use requirements.

[0057] In this embodiment, a cavity is formed between the reinforcement beam 101 and the middle channel 1, and the cavity extends along the length direction of the middle channel 1. Here, the cavity formed between the reinforcement beam 101 and the middle channel 1 is not only beneficial to absorbing the collision force, but also beneficial to the dispersion and transmission of the collision force backward. As Figure 6 shown in the figure, the reinforcement beams 101 are respectively arranged on both sides of the top of the middle channel 1, and the cross section of each reinforcement beam 101 is in the shape of a Chinese character 'Ji' (几), which is not only easy to form, but also beneficial to forming the above-mentioned cavity.

[0058] In addition, the one-to-one correspondence setting of the reinforcement beam 101 and the longitudinal beam 401 means that: the projections of the longitudinal beam 401 and the reinforcement beam 101 on the same side in the up-down direction of the whole vehicle at least partially overlap, which is beneficial to improving the force transmission effect of the up-down cooperation between the longitudinal beam 401 and the reinforcement beam 101. In this embodiment, an annular structure is also formed among the longitudinal beam 401, the reinforcement beam 101 and the inner panel of the cross beam on the same side, so that the collision force is effectively dispersed and transmitted between the longitudinal beam 401 and the reinforcement beam 101 on the same side.

[0059] As a preferred implementation manner, as Figure 5 shown in the figure, a support beam 5 is provided between the reinforcement beam 101 and the reinforcement frame 4, and the support beam 5 extends along the up-down direction of the whole vehicle. By setting the support beam 5, it is beneficial to further improve the connection strength and use stability between the reinforcement beam 101 and the reinforcement frame 4, so as to improve the dispersion and transmission effect of the collision force between the two. Among them, the support beam 5 is in a flat shape, and it also has a cavity extending along its own length direction to further improve the dispersion and transmission effect of the collision force of the support beam 5.

[0060] In terms of the detailed structure, the two ends of the support beam 5 are respectively connected to the reinforcement beam 101 and the longitudinal beam 401 on the same side. Preferably, the top end of the support beam 5 is located between the middle cross beam 402 and the rear cross beam 402, and is arranged close to the middle cross beam 402. Due to the setting of the support beam 5, the connection among the reinforcement beam 101, the longitudinal beam 401 and the support beam 5 on the same side is roughly in the shape of a horizontally placed 'A', and a triangular force transmission structure is formed among the reinforcement beam 101, the longitudinal beam 401 and the support beam 5, so as to utilize the advantage that the triangle has better stability, which is beneficial to improving the stability and force transmission stability of the reinforcement frame 4 and the reinforcement beam 101 in the connected state.

[0061] As a preferred embodiment, Fig. 9 As shown in , along the direction from the front to the rear of the vehicle, the width of the reinforcing frame 4 in the left and right direction of the vehicle gradually decreases. Such a configuration can make the width of the front end of the reinforcing frame 4 larger, which is beneficial for the reinforcing frame 4 to bear more frontal collision force, and also helps the rear end of the reinforcing frame 4 to adapt to the width of the middle channel 1, so as to facilitate the transmission of the collision force to the middle channel 1.

[0062] The reinforcement frame 4 in this embodiment is preferably detachably mounted on the dash cross beam 3 and the reinforcement beam 101. For example, a connecting frame 202 is provided at the upper end of the dash cross beam 3, and the connecting frame 202 extends in the left-right direction of the vehicle, and the front end of the reinforcement frame 4 is detachably connected to the connecting frame 202. Here, the setting of the connecting frame 202 not only has a good structural strength, but also facilitates the connection between the reinforcement frame 4 and the dash panel 2.

[0063] like Figure 4 and Fig.10 As shown in the figure, the cross section of the connecting frame 202 is "L" shaped, and has a longitudinal portion 2021 connected to the inner plate 301 of the cross beam, and a transverse portion 2022 arranged at the bottom of the longitudinal portion 2021, and each longitudinal beam 401 is connected to the transverse portion 2022. The longitudinal portion 2021 is welded to the inner plate 301 of the cross beam, and the front end of each longitudinal beam 401 is connected to the transverse portion 2022 by screwing with bolts and nuts passing therebetween. Corresponding to each longitudinal beam 401, a lower flange 2023 folded downward is provided at the bottom of the transverse portion 2022, which is conducive to improving the structural strength of the connection between the transverse portion 2022 and the longitudinal beam 401, and the structure of the lower flange 2023 is simple, which is easy to arrange and implement.

[0064] like Figure 5 and Figure 6 As shown in , the rear end face of the reinforcing beam 101 is a slope 1011 that tilts backward from top to bottom, and the bottom of the longitudinal beam 401 is attached to the slope 1011, and the longitudinal beam 401 is connected to the slope 1011 through a plurality of fasteners arranged at intervals along the front-to-back direction of the vehicle. Here, the upper slope 1011 of the reinforcing beam 101 is conducive to adapting to the arc setting of the longitudinal beam 401, which can improve the connection stability between it and the longitudinal beam 401, and is also conducive to guiding the collision force to be transmitted to the middle channel 1, and then transmitted backward through the middle channel 1. In specific implementation, the end face of the rear end of each longitudinal beam 401 is also inclined, and the fastener is a bolt. After passing through the longitudinal beam 401 and the reinforcing beam 101, the bolt is screwed with a nut to connect the rear end of the longitudinal beam 401 with the reinforcing beam 101. In this embodiment, the two ends of the longitudinal beam 401 are detachably connected to the connecting frame 202 and the reinforcing beam 101, respectively, and it is also convenient to replace and maintain the reinforcing frame 4.

[0065] like Figure 7 and Figure 8 As shown in , the top of the support beam 5 is welded to the bottom of the longitudinal beam 401, and the bottom of the support beam 5 is detachably connected to the reinforcing beam 101. In terms of specific structure, a folded connecting portion 501 is provided at the bottom of the support beam 5, and the connecting portion 501 is vertically arranged with the support beam 5, and the connecting portion 501 is welded to the bottom of the longitudinal beam 401, thereby connecting the support beam 5 and the longitudinal beam 401 together. The bottom of the support beam 5 is located outside the reinforcing beam 101, and the bolts are passed through the support beam 5 and the reinforcing beam 101 in turn and then screwed with the nuts, thereby connecting the support beam 5 and the reinforcing beam 101 together.

[0066] As a preferred embodiment, the reinforcement frame 4 in this embodiment is made of extruded aluminum profile or die-cast aluminum profile, and the cross beam 402 and the longitudinal beam 401 are welded together. This is conducive to improving the strength of the reinforcement frame 4 and also conducive to the lightweight design of the vehicle body structure. In addition, the reinforcement beam 101 is made of steel, which not only has good strength, but also is easy to arrange and implement.

[0067] As a feasible implementation, in this embodiment, the front portion of the reinforcing frame 4 is provided with a first mounting portion, and the first mounting portion is used to mount the vehicle air conditioner, which is convenient for mounting the vehicle air conditioner. Figure 7 As shown in, for example, the first mounting portion includes a mounting plate 403 disposed on the inner side of the front end of the left longitudinal beam 401, and a first mounting hole 4031 disposed on the mounting plate 403. The mounting plate 403 is in a "J" shape, and its two ends are respectively connected to the longitudinal beam 401. The bottom of the vehicle air conditioner is connected to the first mounting hole 4031 through a connecting piece, thereby realizing the connection between the reinforcement frame 4 and the vehicle air conditioner, thereby improving the installation effect of the vehicle air conditioner, and also facilitating improving the structural utilization rate of the reinforcement frame 4.

[0068] In addition, in this embodiment, a second mounting portion is provided at the rear of the reinforcement frame 4, and the second mounting portion is used to mount the instrument tube beam. The second mounting portion is provided to facilitate the installation of the instrument tube beam, improve the integration of the reinforcement frame 4, reduce weight and cost, and improve the stiffness performance of the reinforcement frame 4. Figure 7 As shown in , the second mounting portion includes mounting beams 404 disposed on the inner side of the rear ends of the left and right longitudinal beams 401, and second mounting holes 4041 disposed on each mounting beam 404. The mounting beams 404 are extended upward along the height direction of the vehicle. The instrument tube beam is specifically mounted on the reinforcement frame 4 through the two second mounting holes 4041. The mounting beams 404 and the second mounting holes 4041 are simple in structure, easy to process and form, and are conducive to the installation of the instrument tube beam.

[0069] As a preferred embodiment, Figure 1 and Figure 2As shown in , the front and rear sides of the dash panel 2 are both provided with reinforcing vertical beams 201, and the reinforcing vertical beams 201 are arranged in the middle area of ​​the dash panel 2 in the left-right direction. The reinforcing vertical beams 201 extend in the up-down direction of the whole vehicle, and form a cavity with the dash panel 2. For example, the front and rear sides of the dash panel 2 are both provided with two reinforcing vertical beams 201 arranged at intervals in the left-right direction of the dash panel 2. At this time, through the cooperation of multiple reinforcing vertical beams 201, it is beneficial to further form a force transmission channel on the dash panel 2, and the structural strength of the dash assembly can be improved, and the amount of dash intrusion can be reduced. Of course, in the specific implementation, it is also feasible to only provide the reinforcing vertical beams 201 on the front or rear side of the dash panel 2. In addition, the number of reinforcing vertical beams 201 can be adaptively increased or decreased according to the use requirements.

[0070] When the front wall assembly in this embodiment bears the frontal collision force, the direction of the collision force is as follows: Figure 5 As shown by the middle arrow, the collision force can be transmitted to the upper reinforcement frame 4 and the lower reinforcement beam 101 at the same time, and then transmitted backward to the middle channel 1 through the two, and then further dispersedly transmitted through the middle channel 1. Among them, each cavity in the reinforcement frame 4 and the cavity in the reinforcement beam 101 can absorb the collision force, which is beneficial to improving the collision performance of the front wall assembly, effectively reducing the front wall intrusion, and further beneficial to improving the safety of the vehicle body.

[0071] The vehicle body reinforcement structure described in this embodiment can improve the support capacity of the front wall assembly by forming a force transmission structure with upper and lower layers through the cooperation of the reinforcement frame 4 and the reinforcement beam 101, which is conducive to solving the problem of insufficient support for the front wall panel 2 in a frontal collision due to the excessive right-angle connection between the front wall panel 2 and the central channel 1 in the prior art, thereby helping to reduce the intrusion amount of the front wall in a frontal collision, thereby improving the collision safety of the vehicle body. In addition, by arranging a support beam 5 between the longitudinal beam 401 and the reinforcement beam 101, it is conducive to further improving the connection stability between the reinforcement frame 4 and the reinforcement beam 101, so that the double-layer force transmission structure has better reliability in the transmission process of the collision force, thereby further helping to improve the collision safety of the vehicle body.

[0072] In addition, another object of the present invention is to provide a vehicle, on which the vehicle is provided with the vehicle body reinforcement structure as described above.

[0073] The vehicle described in the utility model is beneficial to improving the collision performance of the vehicle by providing the above-mentioned vehicle body reinforcement structure, thereby helping to improve the safety of the vehicle.

[0074] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A vehicle body strengthening structure, characterized in that: It includes a strengthening beam (101) provided at the top of the middle channel (1), and a strengthening frame (4) provided above the strengthening beam (101); Both the strengthening frame (4) and the strengthening beam (101) extend along the front-rear direction of the whole vehicle, and the front ends of the strengthening frame (4) and the strengthening beam (101) are both connected to the front panel assembly. Viewed from the left-right direction of the whole vehicle, the rear end of the strengthening frame (4) is inclined downward from front to rear and is connected to the strengthening beam (101).

2. The vehicle body strengthening structure according to claim 1, characterized in that: A support beam (5) is provided between the strengthening beam (101) and the strengthening frame (4), and the support beam (5) extends along the up-down direction of the whole vehicle.

3. The vehicle body strengthening structure according to claim 1, characterized in that: The strengthening frame (4) is made of extruded aluminum profile or die-cast aluminum profile; and / or, The strengthening beam (101) is made of steel.

4. The vehicle body strengthening structure according to claim 1, characterized in that: The strengthening frame (4) includes two longitudinal beams (401) arranged at intervals along the left-right direction of the whole vehicle, and several cross beams (402) connected between the two longitudinal beams (401); The strengthening beams (101) are arranged in one-to-one correspondence with the longitudinal beams (401), and the strengthening frame (4) is connected to the corresponding strengthening beam (101) through the longitudinal beam (401).

5. The vehicle body strengthening structure according to claim 4, characterized in that: The cross beams (402) are three arranged at intervals along the front-rear direction of the whole vehicle, and the strengthening frame (4) is in a "day" shape; and / or, A cavity is formed between the strengthening beam (101) and the middle channel (1), and the cavity extends along the length direction of the middle channel (1).

6. The vehicle body strengthening structure according to claim 1, characterized in that: The front panel assembly includes a front panel (2), and a front panel cross beam (3) provided at the bottom of the front panel (2), and a cavity extending along the left-right direction of the whole vehicle is formed in the front panel cross beam (3); The front end of the strengthening frame (4) is connected to the upper end of the front panel cross beam (3), and the front end of the strengthening beam (101) is connected to the lower end of the front panel cross beam (3).

7. The vehicle body strengthening structure according to claim 6, characterized in that: A connecting frame (202) is provided at the upper end of the front panel cross beam (3), and the connecting frame (202) extends along the left-right direction of the whole vehicle; The front end of the strengthening frame (4) is connected to the connecting frame (202).

8. The vehicle body strengthening structure according to claim 1, characterized in that: A first mounting portion is provided at the front part of the strengthening frame (4), and the first mounting portion is used for mounting a vehicle air conditioner; and / or, A second mounting portion is provided at the rear part of the strengthening frame (4), and the second mounting portion is used for mounting an instrument tube beam.

9. The vehicle body strengthening structure according to any one of claims 1 to 8, characterized in that: Along the direction from the front to the rear of the vehicle, the width of the reinforcement frame (4) in the left-right direction of the vehicle gradually decreases.

10. A vehicle, characterized in that: The vehicle is provided with the vehicle body reinforcement structure according to any one of claims 1 to 9.

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