CN215904612U

CN215904612U - Vehicle side wall structure and vehicle

Info

Publication number: CN215904612U
Application number: CN202121840588.3U
Authority: CN
Inventors: 麻瑞祥
Original assignee: Zhangjiagang Great Wall Motor Research and Development Co Ltd
Current assignee: Zhangjiagang Great Wall Motor Research and Development Co Ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-02-25
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a vehicle side wall structure and a vehicle, wherein the vehicle side wall structure comprises: floor end structure and side wall end structure. The floor end structure includes: the structure comprises an A-pillar inner plate, a floor threshold beam and a threshold beam reinforcing assembly, wherein the threshold beam reinforcing assembly is connected between the A-pillar inner plate and the floor threshold beam so as to form two reinforcing cavities which are distributed along the vertical direction and are mutually connected on the outer side of the A-pillar inner plate; the side wall end structure is buckled with the floor end structure to limit a threshold cavity between the floor end structure and the side wall end structure, and the two reinforcing cavities are respectively positioned in the threshold cavity. The vehicle side wall structure can fully absorb impact energy generated in the initial collision stage, and has better structural strength and force transmission performance, so that the collision performance of the vehicle is improved, and the safety of the vehicle is effectively improved.

Description

Vehicle side wall structure and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a vehicle side wall structure and a vehicle.

Background

In the prior art, the strength of the intersection area of the pillar A of the vehicle and the lower doorsill is low, the reinforcing structure in the doorsill cavity of the side wall structure of the vehicle is single, the structure capable of effectively absorbing energy and bearing force is lacked, the energy generated by collision cannot be effectively absorbed, when collision occurs, the side wall structure of the vehicle is easy to bend and collapse in a large area, the safety of the vehicle is affected, and an improved space exists.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims to provide a vehicle side wall structure, which can fully absorb impact energy generated in an initial collision stage and has better structural strength and force transmission performance, so that the collision performance of a vehicle is improved, and the safety of the vehicle is further effectively improved.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

a vehicle side wall structure comprising: a floor end structure, the floor end structure comprising: the structure comprises an A-pillar inner plate, a floor threshold beam and a threshold beam reinforcing assembly, wherein the threshold beam reinforcing assembly is connected between the A-pillar inner plate and the floor threshold beam so as to form two reinforcing cavities which are distributed along the vertical direction and are connected with each other on the outer side of the A-pillar inner plate; the side wall end structure is buckled and connected with the floor end structure to limit a threshold cavity between the floor end structure and the side wall end structure, and the two reinforcing cavities are respectively positioned in the threshold cavity.

Further, the rocker reinforcement assembly includes: reinforcing plate and doorsill roof beam lower reinforcing plate on the doorsill roof beam, the front end overlap joint of floor doorsill roof beam is fixed the outside of the rear end of A post inner panel, the reinforcing plate is located on the doorsill roof beam the top and the two interconnect of reinforcing plate under the doorsill roof beam, the reinforcing plate on the doorsill roof beam with the doorsill roof beam lower reinforcing plate respectively with A post inner panel with floor doorsill roof beam is connected and is covered A post inner panel with the overlap joint department of floor doorsill roof beam.

Further, the reinforcing plate structure is "Z" template under the threshold roof beam, the opening orientation of reinforcing plate under the threshold roof beam A post inner panel, the reinforcing plate is injectd two under the threshold roof beam with inject two between the A post inner panel strengthen the first chamber of strengthening that is located the below in the chamber.

Further, the rocker beam reinforcement assembly further includes: the front reinforcing plate of the sill beam is characterized in that one end of the front reinforcing plate of the sill beam is connected to the outer side of the inner plate of the A column, and the other end of the front reinforcing plate of the sill beam is connected to the outer side of the front end of the upper reinforcing plate of the sill beam and the outer side of the front end of the lower reinforcing plate of the sill beam respectively.

Further, the reinforcing plate structure is "U" template on the threshold roof beam, just the opening of reinforcing plate deviates from on the threshold roof beam A post inner panel, the reinforcing plate before the threshold roof beam with inject two between the reinforcing plate on the threshold roof beam strengthen the second in the chamber and strengthen the chamber above.

Further, a third reinforcing cavity is defined between the lower reinforcing plate of the threshold beam and the floor threshold beam, and the third reinforcing cavity is communicated with the first reinforcing cavity and is positioned on the rear side of the first reinforcing cavity.

Furthermore, at least one part of the front reinforcing plate of the threshold beam is obliquely connected between the A-pillar inner plate and the floor threshold beam, and the front reinforcing plate of the threshold beam is connected with the A-pillar inner plate through a reinforcing connecting plate.

Further, the side wall end structure includes: the structure comprises an A-pillar reinforcing plate, a side wall doorsill beam reinforcing plate and a front door lower hinge reinforcing plate, wherein the A-pillar reinforcing plate is fixedly connected to the outer side of the side wall doorsill beam reinforcing plate, and at least one part of the front door lower hinge reinforcing plate is clamped and fixed between the A-pillar reinforcing plate and the side wall doorsill beam reinforcing plate.

Further, the side wall end structure still includes: the side wall sill beam is fixedly lapped with the A-pillar reinforcing plate, and the side wall sill beam reinforcing plate is fixed with the side wall sill beam and covers the lap joint fixing part of the side wall sill beam and the A-pillar reinforcing plate.

Compared with the prior art, the vehicle side wall structure has the following advantages:

the vehicle side wall structure can fully absorb impact energy generated in the early stage of collision, and has better structural strength and force transmission performance, so that the collision performance of the vehicle is improved, and the safety of the vehicle is further effectively improved.

Another object of the present invention is to provide a vehicle including the vehicle side surrounding structure, which has better collision performance and better safety.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of a floor end structure according to an embodiment of the utility model;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 4 is a schematic structural view of a side gusset end structure according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view taken along line C-C of FIG. 4;

FIG. 6 is a cross-sectional view taken along line D-D of FIG. 4;

FIG. 7 is a schematic structural view of a vehicle side wall structure according to an embodiment of the utility model;

FIG. 8 is a cross-sectional view taken along line E-E of FIG. 7;

fig. 9 is a sectional view taken along F-F in fig. 7.

Description of reference numerals:

100-vehicle side wall structure, 1-floor end structure, 11-A pillar inner panel, 12-floor rocker beam, 13-rocker beam reinforcement assembly, 131-rocker beam upper reinforcement panel, 132-rocker beam lower reinforcement panel, 133-rocker beam front reinforcement panel, 14-gusset panel, 2-side wall end structure, 21-A pillar reinforcement panel, 22-side rocker beam reinforcement panel, 23-front door lower hinge reinforcement panel, 24-side rocker beam, 3-rocker cavity, 4-first reinforcement cavity, 5-second reinforcement cavity, 6-third reinforcement cavity, 7-floor, 8-floor reinforcement beam, 9-side wall, 10-A pillar, 20-lower rocker.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

A vehicle side body structure 100 according to an embodiment of the utility model is described below with reference to fig. 1 to 9.

The vehicle side body structure 100 according to the embodiment of the utility model may include: a floor end structure 1 and a side wall end structure 2.

As shown in fig. 1 to 9, the inner side of the floor end structure 1 is connected to a floor 7 and a floor reinforcement cross member 8 of the vehicle, and the quarter end structure 2 is connected to a quarter outer panel 9 of the vehicle. The vehicle side wall structure 100 is formed by buckling and connecting a side wall end structure 2 and a floor end structure 1, so that a threshold cavity 3 is defined between the floor end structure 1 and the side wall end structure 2, and the threshold cavity 3 can absorb part of energy generated by vehicle collision to ensure the collision performance of the vehicle, thereby improving the safety of the vehicle.

Further, the intersection area of the a pillar 10 and the lower rocker 20 of the vehicle is located at the lower corner of the front door opening of the side wall structure 100 of the vehicle, and is a main force transmission channel when the vehicle is in a frontal collision or an offset collision. Because the intensity of the intersection region of the traditional vehicle A column and the lower threshold is lower, the reinforcing structure in the threshold cavity of the vehicle side wall structure is single, the structure capable of effectively absorbing energy and bearing force is lacked, the energy generated by collision cannot be effectively absorbed, and when collision occurs, the vehicle side wall structure is easy to bend and collapse in a large area, so that the safety of the vehicle is influenced.

To this end, the embodiment of the present invention designs a vehicle side wall structure 100 having a rocker reinforcement assembly 13 capable of forming two reinforcement cavities at an intersection region of an a-pillar 10 and a lower rocker 20, so as to utilize the two reinforcement cavities to sufficiently absorb and resist impact energy of a vehicle at an initial stage of a collision at the intersection region of the a-pillar 10 and the lower rocker 20, thereby improving structural strength and force transmission performance at the intersection region of the a-pillar 10 and the lower rocker 20, and further improving collision performance of the vehicle and safety of the vehicle.

Wherein, floor end structure 1 includes: a post inner panel 11, floor threshold roof beam 12 and threshold roof beam strengthen subassembly 13, A post inner panel 11 is connected with floor threshold roof beam 12 to be a whole with being connected A post 10 and lower threshold 20, threshold roof beam strengthen subassembly 13 can increase the intensity of A post inner panel and strengthening floor threshold roof beam 12 respectively and increase the joint strength between A post inner panel and the enhancement floor threshold roof beam 12, thereby can promote vehicle side wall structure 100's bulk strength.

Further, the threshold beam reinforcement assembly 13 is connected between the a-pillar inner panel 11 and the floor threshold beam 12 to form two reinforcement cavities that are distributed along the up-down direction and are connected to each other outside the a-pillar inner panel 11, and the two reinforcement cavities are respectively located in the threshold cavity 3 to form a plurality of cavities that can absorb collision energy in the threshold cavity 3. That is to say, two strengthen the chamber and form between A post inner panel 11 and floor threshold roof beam 12 to strengthen vehicle side wall structure 100 at the region of intersection of A post 10 and lower threshold 20, and absorb the impact energy that the initial stage of collision produced at the region of intersection of A post 10 and lower threshold 20, with the structural strength and the biography power performance of promotion A post 10 and the region of intersection of lower threshold 20 department, thereby can promote the crashworthiness of vehicle, in order to avoid the vehicle when being struck, vehicle side wall structure 100 appears greatly bending and collapses, and then has improved the security of vehicle.

According to the vehicle side wall structure 100 provided by the embodiment of the utility model, the vehicle side wall structure 100 can fully absorb impact energy generated in the early stage of collision, and has better structural strength and force transmission performance, so that the collision performance of a vehicle is improved, and the safety of the vehicle is effectively improved.

In connection with the embodiment shown in fig. 1-3, the rocker reinforcement assembly 13 comprises: the upper threshold beam reinforcing plate 131 and the lower threshold beam reinforcing plate 132 are fixed on the outer side of the rear end of the inner A-pillar plate 11 in a lap joint manner, the front end of the floor threshold beam 12 is fixed on the outer side of the rear end of the inner A-pillar plate 11 in a lap joint manner, so that the A-pillar 10 and the lower threshold 20 are fixed into a whole, the upper threshold beam reinforcing plate 131 is positioned above the lower threshold beam reinforcing plate 132 and connected with each other, the upper threshold beam reinforcing plate 131 and the lower threshold beam reinforcing plate 132 are connected into a whole, and the upper threshold beam reinforcing plate 131 and the lower threshold beam reinforcing plate 132 are respectively connected with the inner A-pillar plate 11 and the floor threshold beam 12 and cover the lap joint of the inner A-pillar plate 11 and the floor threshold beam 12. From this, reinforcing plate 131 under doorsill beam and the doorsill beam 132 not only can promote the intensity of whole floor end structure 1 through the intensity that promotes A post inner panel 11 and floor doorsill beam 12 respectively, but also can make vehicle side wall structure 100's bulk strength higher through promoting the joint strength between A post inner panel 11 and the floor doorsill beam 12, and the biography power performance is better to further promote the crashworthiness of vehicle, and improved the security of vehicle.

As shown in fig. 2, in particular, the rocker lower reinforcement 132 is configured as a "Z" shaped plate, wherein the upper flange of the "Z" shaped plate is connected to the rocker upper reinforcement 131, the lower flange of the "Z" shaped plate is connected to the a-pillar inner panel 11, and the connecting wall connected between the upper flange and the lower flange is connected to the rocker front reinforcement 133, wherein the opening of the rocker lower reinforcement 132 faces the a-pillar inner panel 11 to define a first reinforcement cavity 4 located below in two reinforcement cavities between the rocker lower reinforcement 132 and the a-pillar inner panel 11, so that the rocker lower reinforcement 132 can jointly form the first reinforcement cavity 4 using the a-pillar inner panel 11 to reduce the weight of the vehicle while improving the structural strength and the force transmission performance of the vehicle side wall structure 100.

As shown in fig. 1 and 2, the rocker reinforcement assembly 13 further includes: the front reinforcing plate 133 of the threshold beam, the one end of the front reinforcing plate 133 of the threshold beam is connected in the outside of the inner panel 11 of the A-pillar, and the other end of the front reinforcing plate 133 of the threshold beam is connected respectively in the front end outside of the upper reinforcing plate 131 of the threshold beam and the front end outside of the lower reinforcing plate 132 of the threshold beam, so as to realize the secondary reinforcement of the A-pillar 10, and further improve the whole strength of the side wall structure 100 of the vehicle.

Further, referring to fig. 2, the reinforcing plate 131 is constructed as a "U" shaped plate on the threshold beam, and the opening of the reinforcing plate 131 deviates from the a-pillar inner plate 11, so that the bottom plate with the larger area of the "U" shaped plate is fixedly contacted with the a-pillar inner plate 11, and the "U" shaped plate has a better reinforcing effect on the a-pillar inner plate 11, wherein two reinforcing cavities 5 located above are defined between the reinforcing plate 131 on the threshold beam and the threshold beam front reinforcing plate 133. Therefore, the second reinforcing cavity 5 and the first reinforcing cavity 4 jointly form a double-closed cavity structure, impact energy generated in the initial stage of collision is absorbed at the intersection area of the A column 10 and the lower doorsill 20, so that the collision energy can be further and fully absorbed, the collision performance of the vehicle is better, and the safety of the vehicle is improved.

As shown in fig. 3, a third reinforcement cavity 6 is defined between the rocker lower reinforcement plate 132 and the floor rocker 12, wherein the third reinforcement cavity 6 is communicated with the first reinforcement cavity 4 and is located at the rear side of the first reinforcement cavity 4 to form a "single closed cavity" structure at the rear side of the "double closed cavity" structure, so as to reduce the size of the rocker front reinforcement plate 133 while satisfying the collision force-bearing requirement, thereby being capable of reducing the weight of the vehicle. Therefore, the collision force generated by vehicle collision is firstly absorbed by the first reinforcing cavity 4 and the second reinforcing cavity 5 and then transited to the third reinforcing cavity 6, so that the strength of the force is transited smoothly, the reinforcing cavities have a better energy absorption effect, the deformation damage of the collision energy to the lower doorsill 20 is relieved, and the safety of the vehicle is improved.

As shown in fig. 1, at least a portion of the rocker front reinforcement 133 is obliquely connected between the a-pillar inner panel 11 and the floor rocker 12 to form an oblique-bracing force-transmitting structure, so that when the collision force is transmitted from the a-pillar 10 to the lower rocker 20, the force can be transmitted in a wedge-shaped manner along the rocker cavity 3 along the oblique-bracing force-transmitting structure of the rocker front reinforcement 133 and the two force-transmitting paths of the rocker upper reinforcement 131 and the rocker lower reinforcement 132, thereby achieving a gradual transition transmission of the force, so as to alleviate the deformation damage of the collision energy to the lower rocker 20, and further improve the safety of the vehicle.

Further, the rocker front panel 133 is connected to the a-pillar inner panel 11 by the reinforcement connecting plate 14 to transition between the obliquely extending rocker front panel 133 and the vertically extending a-pillar inner panel 11 to facilitate the connection between the rocker front panel 133 and the a-pillar inner panel 11.

With reference to the embodiment shown in fig. 4 to 6, the side gusset end structure 2 includes: the structure comprises an A-pillar reinforcing plate 21, a side sill reinforcing plate 22 and a front door lower hinge reinforcing plate 23, wherein the A-pillar reinforcing plate 21 is fixedly connected to the outer side of the side sill reinforcing plate 22, so that the A-pillar reinforcing plate 21 can reinforce the A-pillar inner plate 11 and strengthen the strength of the side sill reinforcing plate 22. At least a part of the front door lower hinge reinforcing plate 23 is clamped and fixed between the A-pillar reinforcing plate 21 and the side sill reinforcing plate 22. Therefore, the front door lower hinge reinforcing plate 23, the A-pillar reinforcing plate 21 and the side wall doorsill beam reinforcing plate 22 jointly form a three-layer lap joint structure, so that the front door lower hinge reinforcing plate 23 can reinforce the connection strength between the A-pillar reinforcing plate 21 and the side wall doorsill beam reinforcing plate 22, the structural strength of the intersection of the A-pillar 10 and the lower doorsill 20 is further enhanced, and the deformation resistance of the lower part of the A-pillar 10 is further improved.

Further, as shown in fig. 4 and 6, the side gusset end structure 2 further includes: the side wall sill beam 24, the side wall sill beam 24 is fixed with the overlap joint of A post reinforcing plate 21, the side wall sill beam reinforcing plate 22 is fixed with the side wall sill beam 24 and covers the overlap joint fixed part of the side wall sill beam 24 and the A post reinforcing plate 21, so that the side wall sill beam reinforcing plate 22 can strengthen the connection strength and the connection stability between the side wall sill beam 24 and the A post reinforcing plate 21 while strengthening the structures of the A post reinforcing plate 21 and the side wall sill beam 24 respectively, the whole structure of the side wall end structure 2 is more stable, the whole strength of the vehicle side wall structure 100 is higher, the force transfer performance is better, the collision performance of the vehicle is further improved, and the safety of the vehicle is improved.

In summary, as shown in fig. 7-9, the vehicle side-wall structure 100 formed by the floor end structure 1 and the side-wall end structure 2 in a buckled and connected manner can combine the cavities of the floor end structure 1 and the side-wall end structure 2, and the effective combination of the "double-closed reinforced cavity" and the "single-closed reinforced cavity" at the intersection region of the a pillar 10 and the lower doorsill 20 is realized in the doorsill cavity 3, so that the vehicle side-wall structure 100 has higher overall strength and better overall force transmission performance, deformation damage to the lower doorsill 20 caused by collision energy is effectively avoided, and the safety of the vehicle is improved.

A vehicle according to another aspect of the embodiment of the present invention includes the vehicle side surrounding structure 100 described in the above embodiment. Other configurations for vehicles are known in the art and are well known to those skilled in the art, and therefore, are not described in detail herein.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A vehicle side body structure (100), comprising:

-a floor end structure (1), -the floor end structure (1) comprising: the structure comprises an A-pillar inner plate (11), a floor threshold beam (12) and a threshold beam reinforcing assembly (13), wherein the threshold beam reinforcing assembly (13) is connected between the A-pillar inner plate (11) and the floor threshold beam (12) so as to form two reinforcing cavities which are distributed along the vertical direction and are connected with each other on the outer side of the A-pillar inner plate (11);

the side wall structure (2), side wall end structure (2) with floor end structure (1) looks lock joint is connected to inject threshold cavity (3) between floor end structure (1) and side wall end structure (2), two strengthen the chamber and be located respectively in threshold cavity (3).

2. The vehicle side wrapping structure (100) of claim 1, wherein said rocker reinforcement assembly (13) includes: reinforcing plate (131) and doorsill beam lower reinforcing plate (132) on the doorsill beam, the front end overlap joint of floor doorsill beam (12) is fixed the outside of the rear end of A post inner panel (11), reinforcing plate (131) are located on the doorsill beam the top and the two interconnect of reinforcing plate (132) under the doorsill beam, reinforcing plate (131) on the doorsill beam with under the doorsill beam reinforcing plate (132) respectively with A post inner panel (11) with floor doorsill beam (12) are connected and are covered A post inner panel (11) with the overlap joint department of floor doorsill beam (12).

3. The vehicle side wall structure (100) according to claim 2, wherein the rocker underbody reinforcement (132) is configured as a "Z" -shaped panel, the opening of the rocker underbody reinforcement (132) faces the a-pillar inner panel (11), and a first reinforcement cavity (4) located below in the two reinforcement cavities is defined between the rocker underbody reinforcement (132) and the a-pillar inner panel (11).

4. The vehicle side wrapping structure (100) according to claim 3, wherein said rocker reinforcement assembly (13) further includes: gusset (133) before the threshold roof beam, the one end of gusset (133) is connected before the threshold roof beam the outside of A post inner panel (11), the other end of gusset (133) is connected respectively on the threshold roof beam the front end outside of gusset (131) with the front end outside of gusset (132) under the threshold roof beam.

5. The vehicle side wall structure (100) according to claim 4, wherein the rocker upper gusset (131) is configured as a "U" shaped panel with an opening of the rocker upper gusset (131) facing away from the A-pillar inner panel (11), and wherein two of the reinforcement cavities, an upper second reinforcement cavity (5), are defined between the rocker front gusset (133) and the rocker upper gusset (131).

6. The vehicle side wrapping structure (100) according to claim 5, wherein a third reinforcement cavity (6) is defined between said rocker sill lower reinforcement panel (132) and said rocker sill (12), said third reinforcement cavity (6) being in communication with said first reinforcement cavity (4) and located at a rear side of said first reinforcement cavity (4).

7. The vehicle side wrapping structure (100) according to claim 4, wherein at least a portion of said rocker front reinforcement panel (133) is obliquely connected between said A-pillar inner panel (11) and said floor rocker (12), said rocker front reinforcement panel (133) being connected to said A-pillar inner panel (11) by a reinforcement connecting panel (14).

8. The vehicle side body structure (100) according to claim 1, wherein the side body end structure (2) comprises: the structure comprises an A-pillar reinforcing plate (21), a side sill beam reinforcing plate (22) and a front door lower hinge reinforcing plate (23), wherein the A-pillar reinforcing plate (21) is fixedly connected to the outer side of the side sill beam reinforcing plate (22), and at least one part of the front door lower hinge reinforcing plate (23) is clamped and fixed between the A-pillar reinforcing plate (21) and the side sill beam reinforcing plate (22).

9. The vehicle side body structure (100) according to claim 8, wherein the side body end structure (2) further comprises: the side wall sill beam (24) is in lap joint with the A-pillar reinforcing plate (21) and fixed with the A-pillar reinforcing plate (24), and the side wall sill beam reinforcing plate (22) is fixed with the side wall sill beam (24) and covers the lap joint fixing part of the side wall sill beam (24) and the A-pillar reinforcing plate (21).

10. A vehicle characterized by comprising a vehicle side body structure (100) according to any one of claims 1-9.