CN218751030U

CN218751030U - Vehicle body structure and vehicle

Info

Publication number: CN218751030U
Application number: CN202223407566.5U
Authority: CN
Inventors: 于殿轮; 高鹏
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-03-28
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses a body construction and vehicle, body construction includes: the front longitudinal beam is arranged on the front side of the front wall plate and on the left side of the front wall plate; the A column is arranged on the left side of the front coaming; the assembly is strengthened to front longitudinal, and the assembly is strengthened to front longitudinal includes: front longitudinal torsion box subassembly, front longitudinal torsion box subassembly set up in the downside and the front side of preceding bounding wall, and front longitudinal torsion box subassembly includes: torsion box, torsion box reinforcement and first reinforcement, torsion box and torsion box reinforcement constitute first cavity, and first reinforcement sets up in first cavity and is connected with front longitudinal and A post. Through set up first reinforcement between torsion box and torsion box reinforcement, the overlap joint that first reinforcement constitutes in the torsion box region has higher structural strength, and the structure resists the atress when bumping and warp for a short time to promote passenger cabin's safety.

Description

Vehicle body structure and vehicle

Technical Field

The utility model belongs to the technical field of the body construction technique and specifically relates to a body construction and vehicle are related to.

Background

With the rapid development of the vehicle industry, vehicles have become one of indispensable vehicles for people to travel. The quantity of vehicles kept increases year by year, more and more people own private cars, and the popularization of vehicles brings development to the manufacturing and design of vehicle parts.

In the traditional fuel vehicle, the arrangement space is large, the direct collision load is mainly transmitted to the rear section of the longitudinal beam through the front longitudinal beam of the front engine room and then to the vehicle body frame, the force transmission process is smooth, and the action of the torsion box is small. However, in the new energy vehicle, a battery pack needs to be arranged under the front floor, the frame structure of the front cabin of the new energy vehicle becomes the most important stressed structure on the vehicle body and bears the impact force from the frontal collision and the side collision, and the torsion box is a very important part of the frame.

In the related art, the conventional torsion box structure has the problems of poor transmission effect of self strength and impact force of frontal collision and side collision, so that when a vehicle is subjected to 25% offset collision, the collision force of a barrier and wheels acting on a lower structure of an A column is large due to limited energy absorbed by a longitudinal beam of a cabin, and a passenger cabin is easily deformed too much to cause injury to passengers.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a vehicle body structure, through set up first reinforcement between torque box and torque box reinforcement, first reinforcement has higher structural strength at the overlap joint that torque box is regional to be constituteed, and the structure resists the atress back and warp for a short time when bumping.

The utility model also provides a vehicle.

According to the utility model discloses body structure of first aspect embodiment includes: the front side frame comprises a front wall plate and a front longitudinal beam, wherein the front longitudinal beam is arranged on the front side of the front wall plate and on the left side of the front wall plate; an A-pillar disposed on a left side of the dash panel; an assembly is strengthened to the front longitudinal, the assembly is strengthened to the front longitudinal includes: front longitudinal torsion box subassembly, front longitudinal torsion box subassembly set up in the downside and the front side of preceding bounding wall, front longitudinal torsion box subassembly includes: the torsion box and the torsion box reinforcement form a first cavity, and the first reinforcement is arranged in the first cavity and connected with the front longitudinal beam and the A column.

According to the utility model discloses body structure, through set up first reinforcement between torsion box and torsion box reinforcement, first reinforcement has higher structural strength at the overlap joint that torsion box is regional to be constituteed, and it is little that the structure resists the atress after-deformation when bumping, and the impact force transmission is effectual, promotes passenger cabin safety protection.

According to some embodiments of the utility model, the torsion box set up in before the bounding wall the below and with the front longitudinal and the A post connection, the torsion box reinforcement set up in the torsion box the top and with the front longitudinal and the A post connection.

According to some embodiments of the invention, the first stiffener comprises: the torsion box comprises a first main body and a plurality of first connecting flanges, wherein the first connecting flanges are arranged on the peripheral sides of the first main body, the first connecting flanges are connected with the A column, and/or the first connecting flanges are connected with the front longitudinal beam, and/or the first connecting flanges are connected with the torsion box.

According to the utility model discloses a some embodiments, front longitudinal torsion box subassembly still includes: the first connecting bracket is arranged between the first reinforcing piece and the torsion box, the first connecting flanging is connected with the first connecting bracket, and the first connecting bracket is connected with the torsion box.

According to some embodiments of the utility model, be provided with on the first main part and strengthen the arch, strengthen protruding set up in first main part orientation one side of dash panel.

According to the utility model discloses a some embodiments, the assembly is strengthened to the front longitudinal still includes: a cowl reinforcement assembly comprising: the front wall left lower plate is arranged below the front wall plate and connected with the A column, the front wall reinforcing plate is connected with the front wall plate and the A column, the front wall left lower plate and the front wall reinforcing plate form a second cavity, and the second reinforcing piece is arranged in the second cavity and connected with the front longitudinal beam and the A column.

According to some embodiments of the invention, the second stiffener comprises: the turn-ups is connected to second main part and a plurality of second, and is a plurality of the turn-ups is connected to the second set up in week side of second main part, the second main part orientation before enclose one side of left hypoplastron be provided with and dodge the groove, it is used for dodging to dodge the groove before enclose left hypoplastron, the second connect the turn-ups with before enclose the reinforcing plate and connect.

According to the utility model discloses a some embodiments, the front longitudinal orientation one side of preceding bounding wall is provided with the third and connects the turn-ups, the third connect the turn-ups with before enclose reinforcing plate and at least one the turn-ups is connected to the second.

According to some embodiments of the invention, the body structure further comprises: the rocker beam and the second connecting bracket are connected between the A column and the rocker beam; and the A column is provided with a fourth connecting flange, and the fourth connecting flange is connected with the threshold beam.

According to the utility model discloses vehicle of second aspect embodiment includes: the vehicle body structure.

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

Drawings

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

fig. 1 is a schematic structural view of a vehicle body structure according to an embodiment of the present invention;

fig. 2 is an exploded view of a vehicle body structure according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a first reinforcement according to an embodiment of the present invention;

fig. 4 is an exploded view of an angle of a vehicle body structure according to another embodiment of the present invention;

fig. 5 is an exploded view of another angle of a vehicle body structure according to another embodiment of the present invention;

fig. 6 is a schematic structural view of a second reinforcement according to an embodiment of the present invention.

Reference numerals:

100. a vehicle body structure;

10. a front longitudinal beam torque box assembly; 11. a torque box; 12. a torque box reinforcement; 13. a first reinforcement; 131. a first body; 132. a first connecting flange; 133. a reinforcing protrusion;

20. a cowl reinforcement assembly; 21. a front wall left lower plate; 22. a front wall reinforcement panel; 23. a second reinforcement; 231. a second body; 232. a second connecting flange; 233. an avoidance groove;

30. a front longitudinal beam; 31. third connecting flanging; 40. a dash panel; 50. a column A; 60. a threshold beam; 70. a second connecting bracket.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

A vehicle body structure 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 6, and the present invention also provides a vehicle having the vehicle body structure 100.

Hereinafter, the left side of the vehicle body structure 100 according to the embodiment of the present invention is taken as an example.

Referring to fig. 1 to 6, a vehicle body structure 100 according to an embodiment of the present invention includes: the front side member 30 is provided on the front side of the dash panel 40 and is provided on the left side of the dash panel 40, and the a-pillar 50 is provided on the left side of the dash panel 40. The dash panel 40 is a bulkhead between the engine compartment and the vehicle compartment, and is coupled to a floor and a front pillar, and is installed under the cowl top. The dash panel 40 has a plurality of openings for passage of operating wires, rods, pipes and wiring harnesses, and is also adapted to mounting positions of components such as pedals and square pillars. The front side member 30 is the most important load-bearing component of the vehicle, and the frame side member is one of the key parts, so that the front side member 30 plays an important load-bearing role on the vehicle. The a-pillar 50 is a connecting pillar connecting the roof and the front cabin at the front left and right between the engine compartment and the cab.

And, the vehicle body structure 100 further includes: the assembly is strengthened to front longitudinal, and the assembly is strengthened to front longitudinal includes: front longitudinal torsion box subassembly 10, front longitudinal torsion box subassembly 10 sets up in the downside and the front side of preceding bounding wall 40, and front longitudinal torsion box subassembly 10 includes: the front wall structure of the vehicle body comprises a torque box 11, a torque box reinforcement 12 and a first reinforcement 13, wherein the torque box 11 is arranged below a front wall panel 40, the torque box 11 is connected with a front longitudinal beam 30 and an A column 50, the torque box reinforcement 12 is arranged above the torque box 11, the torque box reinforcement 12 is connected with the front longitudinal beam 30 and the A column 50, the torque box 11 and the torque box reinforcement 12 form a first cavity, the first reinforcement 13 is arranged in the first cavity, and the first reinforcement 13 is connected with the front longitudinal beam 30 and the A column 50.

That is to say, constitute first cavity between torsion box 11 and torsion box reinforcement 12 to be provided with first reinforcement 13 in the first cavity, wherein, first reinforcement 13 can form the structure that structural strength is higher with front longitudinal torsion box subassembly 10 that 11 regional constitutions of torsion box, thereby it is little to make the structure resist the deformation after receiving the power when bumping to and front longitudinal torsion box subassembly 10's impact force transmission is effectual, promotes passenger cabin safety protection.

Therefore, the first reinforcing part 13 is arranged between the torque box 11 and the torque box reinforcing part 12, the lap joint of the first reinforcing part 13 formed in the torque box 11 area has higher structural strength, the structure resists stress and then deforms little when colliding, the impact force transmission effect is good, and the safety protection of the passenger compartment is improved.

Wherein, referring to fig. 2, the first reinforcement 13 includes: the first main body 131 and a plurality of first connecting flanges 132, the plurality of first connecting flanges 132 are disposed on the periphery of the first main body 131, the first connecting flanges 132 are connected to the a-pillar 50, the first connecting flanges 132 are connected to the front side member 30, and the first connecting flanges 132 are connected to the torque box 11. That is, a first connecting flange 132 for connection is provided on the circumferential side of the first body 131. Here, the first connection flange 132 may be plural, that is, the first connection flange 132 may be connected with different structures. For example, the first connecting flange 132 may be connected to the a-pillar 50, which may secure the first reinforcement member 13 to the a-pillar 50; and, the first connecting flange 132 may be connected to the front side member 30, so that the first reinforcement member 13 may be fixed to the front side member 30; and, the first connecting flange 132 may also be connected to the torque box 11, so that the first reinforcement member 13 may be fixed to the torque box 11. Therefore, the first reinforcing part 13 is simultaneously connected with the torque box 11, the A column 50 and the front longitudinal beam 30, so that the lap joint formed in the torque box 11 area has higher structural strength, the deformation of the structure after resisting stress is small when collision occurs, the impact force transmission effect is good, and the safety protection of a passenger compartment is improved.

When the first reinforcement member 13 is connected to the a-pillar 50, the first connecting flange 132 may be provided in plurality, so that the connection strength between the first reinforcement member 13 and the a-pillar 50 may be improved. Similarly, when the first reinforcement member 13 is connected to the front side member 30, the first connecting flange 132 may be provided in plurality, so that the connecting strength between the first reinforcement member 13 and the front side member 30 can be improved.

Further, when the first connecting flange 132 is connected to the torque box 11, the a-pillar 50 and the front side member 30, the connecting manner may be welding, which is simple and has high structural strength.

And, referring to fig. 2, the front side member torque box assembly 10 further includes: and a first connecting bracket disposed between the first reinforcement 13 and the torque case 11, the first connecting flange 132 being connected to the first connecting bracket, and the first connecting bracket being connected to the torque case 11. That is, a first connecting bracket for connecting the torque case 11, that is, the first reinforcement 13 and the torque case 11 are connected by the first connecting bracket, is further provided in the first cavity, so that the torque case 11 and the first reinforcement 13 can be fixedly connected together.

Further, the torque box 11 can be connected to the first reinforcement member 13 not only through the first connecting bracket, but also through the first connecting flange 132, so that the connecting strength between the torque box 11 and the first reinforcement member 13 is high, and the lap joint formed in the area of the torque box 11 has higher structural strength.

As shown in fig. 3, the first body 131 is provided with a reinforcing protrusion 133, and the reinforcing protrusion 133 is disposed on a side of the first body 131 facing the dash panel 40. So, set up on first main part 131 and strengthen protruding 133, through setting up first enhancement protruding 133, can promote the structural strength of first main part 131, first main part 131 resists to warp little after the atress when the emergence is collided, and the impact force transmission is effectual, promotes passenger compartment safety protection. And, the reinforcing protrusion 133 is provided on the side of the first body 131 facing the dash panel 40, which can facilitate the arrangement of the first reinforcing protrusion 133 and function to avoid the torsion box reinforcement 12.

Further, referring to fig. 4 and 5, the front side member reinforcement assembly further includes: the cowl reinforcing assembly 20, the cowl reinforcing assembly 20 including: the cowl left lower panel 21 is disposed below the cowl panel 40, and the cowl left lower panel 21 and the a-pillar 50 are connected, the cowl reinforcement panel 22 and the cowl panel 40 and the a-pillar 50 are connected, the cowl left lower panel 21 and the cowl reinforcement panel 22 constitute a second cavity, the second reinforcement 23 is disposed in the second cavity, and the second reinforcement 23 and the front side member 30 and the a-pillar 50 are connected. That is to say, be provided with second reinforcement 23 in the second cavity that constitutes between preceding left lower board 21 of enclosing and preceding reinforcing plate 22, can play the reinforcing effect to enclosing reinforcing component 20 before through second reinforcement 23 to enclose reinforcing component 20 structural strength before promoting, the impact force transmission effect when reinforcing the collision promotes passenger and vehicle protection.

And, as shown with reference to fig. 6, the second reinforcement 23 includes: the second main body 231 and a plurality of second connecting flanges 232, the plurality of second connecting flanges 232 are arranged on the peripheral side of the second main body 231, and the second connecting flanges 232 are connected with the front wall reinforcing plate 22. That is to say, second reinforcement 23 is connected with preceding bounding reinforcing plate 22 through second connection turn-ups 232, namely, second reinforcement 23 is fixed before enclosing reinforcing plate 22 to realize the fixed of second reinforcement 23, and second reinforcement 23 can promote the intensity of preceding bounding reinforcing plate 22, make before the collision before enclose reinforcing plate 22 resist the atress after warp little, impact force transmission is effectual, promotes passenger compartment safety protection.

As shown in fig. 6, an avoiding groove 233 is provided on a side of the second main body 231 facing the cowl left lower panel 21, and the avoiding groove 233 is used for avoiding the cowl left lower panel 21. Since the cowl left lower panel 21 has a diagonal side in the left-right direction of the vehicle, that is, the cowl left lower panel 21 is provided to be convex toward the rear side of the vehicle in a direction close to the left or right side, and thus, the escape groove 233 is provided on the second body 231, the cowl left lower panel 21 can be escaped through the escape groove 233. And, being provided with on the second main part 231 and dodging the groove 233, can promote the structural strength of second main part 231 through dodging the groove 233 for it is little that the second main part 231 resists to warp after the atress when bumping, and impact force transmission is effectual, promotes passenger cabin safety protection.

The side of the front side member 30 facing the dash panel 40 is provided with a third connecting flange 31, and the third connecting flange 31 is connected with the dash reinforcement panel 22 and the at least one second connecting flange 232. So, preceding longeron 30 connects turn-ups 31 and preceding encloses reinforcing plate 22 fixed connection through the third to and turn-ups 31 can be connected with preceding reinforcing plate 22 and second connection turn-ups 232 simultaneously to the third, can promote joint strength between the three like this, thereby enclose the stability of being connected between reinforcing plate 22 and the preceding longeron 30 before promoting.

And the front wall reinforcing plate 22 is also connected with the a-pillar 50, that is, the third connecting flange 31, the front wall reinforcing plate 22 and the a-pillar 50 can be fixedly connected with each other, so that the connecting strength between the front wall reinforcing plate 22 and the a-pillar 50 is improved.

Further, as shown in fig. 1, the vehicle body structure 100 further includes: threshold roof beam 60 and second linking bridge 70, second linking bridge 70 is connected between A-pillar 50 and threshold roof beam 60, and A-pillar 50 is provided with the fourth and connects the turn-ups, and the fourth is connected turn-ups and threshold roof beam 60 and is connected. That is, the rocker beam 60 can be connected to the a-pillar 50 through the second connecting bracket 70, and the rocker beam 60 can also be connected to the a-pillar 50 through the fourth connecting flange on the a-pillar 50, which can improve the stability of the connection between the a-pillar 50 and the rocker beam 60. Among them, the rocker beam 60 is an important structure for securing the safety performance against a side collision of the vehicle.

According to the utility model discloses vehicle of second aspect embodiment includes: the vehicle body structure 100.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

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

Claims

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

a front wall panel (40),

a front side member (30), the front side member (30) being provided on a front side of the dash panel (40) and on a left side of the dash panel (40);

an A-pillar (50), the A-pillar (50) being disposed on a left side of the dash panel (40);

a front rail reinforcement assembly, said front rail reinforcement assembly comprising: front longitudinal torsion box subassembly (10), front longitudinal torsion box subassembly (10) set up in the downside and the front side of preceding bounding wall (40), front longitudinal torsion box subassembly (10) include: the torsion box comprises a torsion box (11), a torsion box reinforcing piece (12) and a first reinforcing piece (13), wherein the torsion box (11) and the torsion box reinforcing piece (12) form a first cavity, and the first reinforcing piece (13) is arranged in the first cavity and connected with the front longitudinal beam (30) and the A column (50).

2. The vehicle body structure (100) according to claim 1, wherein the torque box (11) is disposed below the dash panel (40) and connected to the front side member (30) and the a-pillar (50), and the torque box reinforcement (12) is disposed above the torque box (11) and connected to the front side member (30) and the a-pillar (50).

3. The vehicle body structure (100) according to claim 1, wherein the first reinforcement (13) comprises: the first main body (131) and a plurality of first connection flanging (132), a plurality of first connection flanging (132) set up in week side of first main body (131), first connection flanging (132) with A post (50) are connected, and/or, first connection flanging (132) with front longitudinal beam (30) are connected, and/or, first connection flanging (132) with torsion box (11) are connected.

4. The vehicle body structure (100) of claim 3, wherein the front rail torque box assembly (10) further comprises: the first connecting bracket is arranged between the first reinforcing piece (13) and the torsion box (11), the first connecting flanging (132) is connected with the first connecting bracket, and the first connecting bracket is connected with the torsion box (11).

5. The vehicle body structure (100) according to claim 3, wherein a reinforcing protrusion (133) is provided on the first body (131), the reinforcing protrusion (133) being provided on a side of the first body (131) facing the dash panel (40).

6. The vehicle body structure (100) of claim 1, wherein said front rail reinforcement assembly further comprises: a cowl reinforcement assembly (20), the cowl reinforcement assembly (20) comprising: a front wall left lower plate (21), a front wall reinforcing plate (22) and a second reinforcing piece (23), wherein the front wall left lower plate (21) is arranged below the front wall plate (40) and is connected with the A column (50), the front wall reinforcing plate (22) is connected with the front wall plate (40) and the A column (50), the front wall left lower plate (21) and the front wall reinforcing plate (22) form a second cavity, and the second reinforcing piece (23) is arranged in the second cavity and is connected with the front longitudinal beam (30) and the A column (50).

7. The vehicle body structure (100) according to claim 6, wherein the second reinforcement (23) comprises: turn-ups (232) are connected to second main part (231) and a plurality of second, and is a plurality of turn-ups (232) are connected to the second set up in week side of second main part (231), second main part (231) orientation before enclose one side of lower board (21) on a left side be provided with avoid groove (233), it is used for dodging to avoid groove (233) before enclose lower board (21) on a left side, turn-ups (232) are connected to the second with before enclose reinforcing plate (22) and connect.

8. The vehicle body structure (100) according to claim 7, wherein a side of the front side member (30) facing the cowl panel (40) is provided with a third connecting flange (31), and the third connecting flange (31) is connected to the cowl reinforcement panel (22) and at least one of the second connecting flanges (232).

9. The vehicle body structure (100) according to claim 1, further comprising: a rocker beam (60) and a second connecting bracket (70), the second connecting bracket (70) being connected between the A-pillar (50) and the rocker beam (60); and the number of the first and second groups,

a post (50) is provided with the fourth and connects the turn-ups, the fourth connect the turn-ups with threshold roof beam (60) are connected.

10. A vehicle, characterized by comprising: the vehicle body structure (100) of any of claims 1-9.