CN216684597U - Vehicle body structure - Google Patents

Abstract

The utility model discloses a vehicle body structure, and relates to the technical field of vehicles. The vehicle body structure includes: threshold, A post, B post, stand, top cap center sill, top cap rear frame member, preceding wind window crossbeam and floor center sill, the both ends of A post respectively with preceding wind window crossbeam with the top cap center sill is connected, the both ends of stand respectively with top cap rear frame member with the top cap center sill is connected, the both ends of B post respectively with the top cap center sill with the floor center sill is connected, the A post the top cap center sill with set up preceding windshield between the preceding wind window crossbeam. The utility model provides a vehicle body structure which can be configured with a large front windshield and enables a vehicle to have good collision resistance.

Description

Vehicle body structure

Technical Field

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

Background

With the improvement of living standard, people have met the basic practical requirements of vehicles to a certain extent. On the basis, the aesthetic requirements of people on the vehicles are gradually improved, and the sense, comfort and the like influence the selection of people on the vehicles in some cases. Generally, the larger the front windshield of the vehicle, the better the field of vision, the better the permeability in the vehicle, and the better the aesthetic appearance. The vehicle body structure of the existing vehicle is limited by the requirement of collision resistance, and generally comprises a top cover, a top cover front cross beam, a windshield cross beam and a top cover auxiliary cross beam, wherein the top cover is arranged between the top cover front cross beam and the top cover auxiliary cross beam, the front windshield is arranged between the top cover front cross beam and the front windshield cross beam, the front windshield on the vehicle with the structure occupies a smaller volume of the vehicle, the field of view in the vehicle is poorer, the permeability is poorer, and the attractiveness is poorer.

Therefore, how to provide a vehicle body structure capable of disposing a large front windshield and providing a vehicle with good collision resistance is a technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a vehicle body structure which can be configured with a large front windshield and enables a vehicle to have good collision resistance.

The utility model provides the following scheme:

the utility model provides a vehicle body structure, includes threshold, A post, B post, stand, top cap center sill, top cap rear frame member, preceding wind window crossbeam and floor center sill, the both ends of A post respectively with preceding wind window crossbeam with top cap center sill connects, the both ends of stand respectively with top cap rear frame member with top cap center sill connects, the both ends of B post respectively with top cap center sill with floor center sill connects, the A post top cap center sill with set up preceding windshield between the preceding wind window crossbeam.

Optionally, the roof center rail includes a rail inner panel and a rail outer panel, the rail inner panel and the rail outer panel are connected with a first closed cavity defined therebetween, the a-pillar includes an a-pillar reinforcement panel and an a-pillar liner panel, an upper end of the a-pillar reinforcement panel includes a first side and a second side that are opposite, and an upper end of the a-pillar liner panel includes a third side and a fourth side that are opposite;

the upright comprises an upright reinforcing plate, one end of the upright reinforcing plate close to the B column comprises a fifth side and a sixth side which are opposite;

the top cover middle cross beam also comprises a middle cross beam connecting plate which is connected with the fourth side and the cross beam inner plate;

the B column comprises a B column reinforcing plate and a B column lining plate;

the first side is connected with the inner wall of the outer beam plate, the second side is connected with the upper end of the B-column reinforcing plate and the sixth side, the third side is connected with the first side and the fifth side, and the fourth side is connected with the upper end of the B-column inner plate, so that a second closed cavity is formed between the B-column reinforcing plate and the B-column inner plate.

Optionally, the vehicle body structure further comprises:

a floor;

the floor middle cross beam is connected with the floor, and a third closed cavity is formed between the floor middle cross beam and the floor after the floor middle cross beam is connected with the floor.

Optionally, the door sill further includes an outer door sill, a door sill reinforcing beam and an inner door sill, the door sill reinforcing beam is located between the outer door sill and the inner door sill, and one side of the door sill reinforcing beam close to the inner door sill faces the third closed cavity.

Optionally, the sill reinforcement beam is made of an aluminum metal material, and includes a body that is closed and has a buffer space inside, and at least one reinforcing rib that is located inside the body, and the reinforcing ribs are arranged in the vertical direction and divide the buffer space into at least two buffer units.

Optionally, the bottom of the B-pillar reinforcement plate is connected with the outer threshold, the bottom of the B-pillar inner plate is connected between the top of the inner threshold and the top of the outer threshold, and a fourth closed cavity is defined between the inner threshold and the outer threshold.

Optionally, the vehicle body structure further comprises:

and two ends of the bottom cross beam connecting plate are respectively connected with the floor middle cross beam and the inner threshold.

Optionally, the B-pillar further comprises an upper reinforcing plate, a lower reinforcing plate, and a hinge reinforcing plate, the upper reinforcing plate and the lower reinforcing plate being connected to an upper side and a lower side of the B-pillar reinforcing plate, respectively.

Optionally, the vehicle body structure further comprises:

and the side wall outer plate is positioned on the outer sides of the A column, the B column, the upright column and the doorsill.

According to the specific embodiment provided by the utility model, the utility model discloses the following technical effects:

according to the vehicle body structure provided by the utility model, the front cross beam and the auxiliary cross beam of the top cover on the traditional vehicle are removed, the top of the vehicle is supported by the middle cross beam of the top cover, and the middle cross beam of the top cover is arranged above the top of the vehicle and corresponds to the B column. Therefore, on one hand, the area of the front windshield between the A column, the top cover middle cross beam and the front windshield cross beam is increased, the view in the vehicle is improved, and the attractiveness of the vehicle is improved; on the other hand, the roof center cross beam, the B column and the floor center cross beam form a first annular structure, and when a vehicle collides with the outside in a lateral direction, collision force is transmitted to the floor center cross beam at the bottom of the vehicle and the roof center cross beam at the top of the vehicle through the B column, so that the lateral collision resistance of the vehicle is improved. And the joints of the structures in the first annular structure are in an L shape, so that the structures can be mutually restrained, and the rigidity of the vehicle is improved. Further, the A post, preceding windshield crossbeam with form the second loop configuration after the top cap center sill connects, the A post the threshold with form the third loop configuration after the B post connects, the B post the threshold with form the fourth loop configuration after the stand is connected, the stand the top cap center sill with the top cap rear frame member forms the fifth loop configuration after connecting, first loop configuration extremely the fifth loop configuration is established ties for whole automobile body forms a closed loop, can effectual whole rigidity that promotes the automobile body.

Further, the top cover middle cross beam comprises a cross beam inner plate and a cross beam outer plate, the cross beam inner plate is connected with the cross beam outer plate, a first closed cavity is limited between the cross beam inner plate and the cross beam outer plate, the first closed cavity can play a role in buffering and is beneficial to improving the overall torsional rigidity of the top cover middle cross beam, when a vehicle collides, the collision force is transmitted to the top cover middle cross beam, the first closed cavity can absorb the collision force, and when the vehicle rolls after colliding, the cross beam outer plate deforms firstly and then passes through the first closed cavity to absorb the collision force, so that the injury to passengers in the vehicle can be reduced.

Of course, embodiments of the utility model need not achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic illustration of a prior art vehicle body structure;

FIG. 2 is a schematic view of a vehicle body structure provided by one embodiment of the present invention;

FIG. 3 is a partially exploded view of the vehicle body structure provided in accordance with one embodiment of the present invention;

FIG. 4 is a cross-sectional view of an upper joint of a B-pillar of a vehicle body structure provided in accordance with one embodiment of the present invention;

fig. 5 is a cross-sectional view of a lower joint of a B-pillar of a vehicle body structure provided in one embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

It should be noted that the descriptions of the present invention with respect to the directions of "left", "right", "upper", "lower", "top", "bottom", etc. are defined based on the relationship of the orientation or position shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the structure described must be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, "lateral" represents the left-right direction of the vehicle, "longitudinal" represents the front-rear direction of the vehicle, and "vertical" represents the height direction of the vehicle.

Fig. 1 shows a vehicle body structure in the prior art, which includes a top cover front beam 10 ', a windshield beam 30 ' and a top cover auxiliary beam 20 ', the top structure of the vehicle is supported by the top cover front beam 10 ' and the top cover auxiliary beam 20 ', and a front windshield is arranged between the top cover front beam 10 ' and the windshield beam 30 ', and the vehicle front windshield of the structure is small and has poor aesthetic property. Compared with the prior art, the novel vehicle body structure provided by the utility model has the advantages that the top cover front cross beam 10 'and the top cover auxiliary cross beam 20' are omitted, the top cover middle cross beam is adopted to replace the existing top cover front cross beam 10 'and the top cover auxiliary cross beam 20', the top supporting effect is realized, the area of a front windshield can be enlarged, the view field in a vehicle is increased, the attractiveness of the vehicle is improved, and the vehicle has higher collision resistance through the matching between the top cover middle cross beam and structures such as a B column, a floor middle cross beam and the like.

FIG. 2 is a schematic view of a vehicle body structure provided by one embodiment of the present invention. Fig. 3 is a partially exploded view of a vehicle body structure according to an embodiment of the present invention. As shown in fig. 1, with simultaneous reference to fig. 2, the present invention provides a vehicle body structure that generally includes a rocker 300, an a-pillar 500, a B-pillar 400, a pillar 600, a roof center cross member 100, a roof rear cross member 700, a front windshield cross member 200, and a floor center cross member 810, the roof center cross member 100, the front windshield cross member 200, and the floor center cross member 810 being arranged substantially in parallel and substantially in the lateral direction of the vehicle. It is understood that the rocker 300 includes left and right rockers, the a-pillar 500 includes left and right a-pillars, the B-pillar 400 includes left and right B-pillars, and the pillar 600 includes left and right pillars. The two ends of the column A500 are respectively connected with the front windshield cross beam 200 and the top cover middle cross beam 100, the two ends of the upright column 600 are respectively connected with the top cover rear cross beam 700 and the top cover middle cross beam 100, the two ends of the column B400 are respectively connected with the top cover middle cross beam 100 and the floor middle cross beam 810, and front windshield glass is arranged between the column A500, the top cover middle cross beam 100 and the front windshield cross beam 200. Preferably, a glass skylight is arranged among the upright post 600, the roof rear cross beam 700 and the roof middle cross beam 100.

The body structure provided by the embodiment removes the roof front cross member 10 'and the roof auxiliary cross member 20' of the conventional vehicle, supports the top of the vehicle by using the roof center cross member 100, and positions the roof center cross member 100 above the top of the vehicle corresponding to the B-pillar 400. Therefore, on one hand, the area of the front windshield between the A column 500, the roof middle cross beam 100 and the front windshield cross beam 200 is increased, the field of vision in the vehicle is improved, and the attractiveness of the vehicle is improved; on the other hand, the roof center cross member 100, the B-pillar 400 and the floor center cross member 810 form a first ring structure, and when the vehicle collides laterally with the outside, the collision force is transmitted to the floor center cross member 810 at the bottom of the vehicle and the roof center cross member 100 at the top of the vehicle through the B-pillar 400, thereby improving the lateral collision resistance of the vehicle. And the joints of the structures in the first annular structure are in an L shape, so that the structures can be mutually restrained, and the rigidity of the vehicle is improved.

Further, the a pillar 500, the front windshield cross beam 200 and the roof middle cross beam 100 form a second annular structure after being connected, the a pillar 500, the rocker 300 and the B pillar 400 form a third annular structure after being connected, the B pillar 400, the rocker 300 and the upright 600 form a fourth annular structure after being connected, the upright 600, the roof middle cross beam 100 and the roof rear cross beam 700 form a fifth annular structure after being connected, and the first annular structure to the fifth annular structure are connected in series, so that the whole vehicle body forms a closed loop, and the overall rigidity of the vehicle body can be effectively improved.

In the vehicle having the vehicle body structure in which the five ring structures are connected in series, when a side collision occurs with the outside, collision force is transmitted to the upper and lower sides through the B-pillar 400, the upper side sub-collision force is transmitted to the connection point of the B-pillar 400, the roof center cross member 100, the a-pillar 500, and the pillar 600 and then dispersed to the roof center cross member 100, the a-pillar 500, and the pillar 600, and lower side sub-collision force is transmitted to the connection point of the B-pillar 400, the floor center cross member 810, and the rocker 300 and then dispersed to the front and rear sides of the floor center cross member 810 and the rocker 300, so that the collision force is dispersed, damage to the B-pillar 400 is reduced, and collision force received by each component can be reduced after a plurality of components are shared, and stress concentration on a certain component is avoided. Therefore, the vehicle body structure which is a closed loop can effectively disperse the side impact force, protect passengers in the vehicle and a battery pack at the bottom of the vehicle, and improve the safety performance of the vehicle.

Further, the roof center cross member 100, the floor center cross member 810, and the B-pillar 400 are located substantially on the same vertical plane, so that a transmission path of a collision force is smoother, and the first loop structure is more stable.

In a preferred embodiment, the top cover middle cross beam 100 comprises an inner cross beam plate 120 and an outer cross beam plate 110, wherein the inner cross beam plate 120 and the outer cross beam plate 110 are connected and define a first closed cavity therebetween. First closed loop cavity can play the effect of buffering, is favorable to improving the holistic torsional rigidity of top cap middle cross beam 100, when the vehicle bumps, the impact transmits extremely behind top cap middle cross beam 100, at least partial impact can be absorbed to first closed cavity, when the vehicle bumps the back and rolls, crossbeam planking 110 takes place deformation earlier, then passes through first closed loop cavity absorbs the impact to can reduce the injury to passenger in the car.

Further, the inner beam plate 120 and the outer beam plate 110 are both sheet metal parts, and may be connected by welding.

Fig. 4 is a sectional view of an upper joint of a B-pillar of a vehicle body structure according to an embodiment of the present invention. As shown in fig. 4, and also referring to fig. 3, in one particular embodiment, the a-pillar 500 includes an a-pillar stiffener 510 and an a-pillar back 520, the a-pillar stiffener 510 being positioned outside the a-pillar back 520. The upper end of the a-pillar stiffener 510 includes opposing first and second sides 511, 512, the first side 511 being closer to the middle of the roof of the vehicle than the second side 512. The upper end of the a-pillar inner panel 520 includes third and fourth opposing sides 521, 522, the third side 521 being closer to the middle of the top of the vehicle than the fourth side 522. The pillar 600 includes a pillar reinforcement plate 610 having an end near the B-pillar 400 including opposite fifth and sixth sides 611 and 612, the fifth side 611 being closer to the middle of the top of the vehicle than the sixth side 612. The roof center cross 100 further includes a center cross connecting plate 130, and the center cross connecting plate 130 is connected to the fourth side 522 of the upper end of the a-pillar inner plate 520 and the inner cross plate 120. The B-pillar 400 includes a B-pillar reinforcement plate 410 and a B-pillar inner plate 420, and the B-pillar reinforcement plate 410 is located at an outer side of the B-pillar inner plate 420. The first side 511 of the upper end of the a-pillar reinforcement plate 510 is connected to the inner wall of the beam outer 110, the second side 512 of the upper end of the a-pillar reinforcement plate 510 is connected to the upper end of the B-pillar reinforcement plate 410, and the second side 512 of the upper end of the a-pillar reinforcement plate 510 is also connected to the sixth side 612 of one end of the a-pillar reinforcement plate 610 near the B-pillar 400. The third side 521 at the upper end of the a-pillar inner panel 520 is connected to the first side 511 at the upper end of the a-pillar reinforcement panel 510, the third side 521 at the upper end of the a-pillar inner panel 520 is further connected to the fifth side 611 at the end of the a-pillar reinforcement panel 610 near the B-pillar 400, and the fourth side 522 at the upper end of the a-pillar inner panel 520 is connected to the upper end of the B-pillar inner panel 420. In this way, the a-pillar inner panel 520 is directly connected to the a-pillar reinforcement panel 510 and the pillar reinforcement panel 610, so that a second closed cavity is formed between the B-pillar reinforcement panel 410 and the B-pillar inner panel 420, so that on one hand, the roof structure of the vehicle can be vertically supported, and on the other hand, the second closed cavity can play a role in buffering, so as to absorb the collision force acting on the vehicle, thereby improving the collision resistance of the vehicle.

Further, the middle cross beam connecting plate 130 is added to connect the a-pillar inner plate 520 with the cross beam inner plate 120, so that the connection stability between the two is ensured. In the prior art, the a-pillar 500 and the top cover front beam are integrally formed, and the cavity in the middle of the top cover front beam is an open structure, but the a-pillar 500 and the top cover middle beam 100 are arranged in a split structure, and the a-pillar inner plate 520 extends upwards to be connected with the inner walls of the a-pillar reinforcing plate 510 and the beam outer plate 110, so that two ends of the cavity between the beam inner plate 120 and the beam outer plate 110 are sealed to form a first closed-loop cavity, that is, the open structure in the prior art is changed into a closed structure, so that the material utilization rate of the whole body can be improved, and the stability of the whole body structure can be improved.

Further, the upper end of the B-pillar stiffener 410 overlaps the second side 512 of the upper end of the a-pillar stiffener 510, the sixth side 612 of the B-pillar stiffener 610 near one end of the B-pillar 400 overlaps the second side 512 of the upper end of the a-pillar stiffener 510, and the second side 512 of the upper end of the a-pillar stiffener 510 is located between the upper end of the B-pillar stiffener 410 and the sixth side 612 of the B-pillar stiffener 610 near one end of the B-pillar 400. The B-pillar stiffener 410, the a-pillar stiffener 510, and the pillar stiffener 610 may be connected by welding.

In a preferred embodiment, the vehicle body structure further includes a floor panel 800. The floor middle cross beam 810 is connected with the floor 800, a third closed cavity is formed between the floor middle cross beam 810 and the floor 800 after the floor middle cross beam 810 and the floor 800 are connected, the third closed cavity can also play a role in buffering, the impact force acting on a vehicle can be absorbed, and the overall performance of the vehicle is improved.

Further, a middle portion of the floor middle cross beam 810 is provided to be upwardly convex, or a position of the floor panel 800 corresponding to the floor middle cross beam 810 is downwardly concave, so that the third closed cavity is formed between the floor middle cross beam 810 and the floor panel 800.

In one embodiment, the rocker 300 further includes an outer rocker 310, a rocker reinforcement beam 320, and an inner rocker 330, and both sides of the rocker reinforcement beam 320 preferably respectively interfere with the inner rocker 330 and the outer rocker 310, so that the collision force can be transmitted. The sill reinforcing beam 320 is located between the outer sill 310 and the inner sill 330, and one side of the sill reinforcing beam 320, which is close to the inner sill 330, faces the third closed cavity, so that the inner sill 330, the floor middle cross beam 810 and the sill reinforcing beam 320 are located on the same surface, and the transmission path of the collision force is continuous, so that the transmission path of the collision force can be smoother, and the collision force can be decomposed favorably, and because the sill reinforcing beam 320 and the floor middle cross beam 810 are right opposite, the sill 300 is not easy to turn over when the sill 300 is collided, the overall stability of the sill 300 is higher, and the overall performance of the vehicle body structure is also improved.

In a further embodiment, the sill reinforcement beam 320 is made of an aluminum metal material, which is a better lightweight material to facilitate the lightweight of the vehicle, and the aluminum metal material is a soft material that can absorb the impact force by self-deformation, so as to reduce the damage to the passengers in the vehicle and the battery pack at the bottom of the vehicle. Further, the sill reinforcement beam 320 includes a body having a buffer space therein and at least one reinforcing rib 321 located inside the body, the reinforcing ribs 321 are vertically arranged and divide the buffer space into at least two buffer units, when the vehicle collides with the outside in a lateral direction, the body and the reinforcing ribs 321 deform to absorb the collision force, and the closed body facilitates the deformation of the sill reinforcement beam 320 to reduce the damage of the vehicle in the collision with the outside.

Preferably, the threshold reinforcement beam 320 is made of an aluminum extrusion material, and due to the characteristics of the extrusion process, the thickness of the threshold reinforcement beam 320 and the arrangement of the reinforcing ribs 321 can be designed according to the performance requirements of the vehicle, so that the threshold reinforcement beam 320 has better strength and rigidity.

More preferably, in one embodiment of the present invention, the cross-section of the body of the sill reinforcement 320 is a pentagon having opposite inner and outer edges 324 and 325, opposite upper and lower edges 322 and 323, and a hypotenuse 326 between the outer edge 325 and the upper edge 322, the inner edge 324 having a length greater than the outer edge 325, the inner edge 324 being disposed substantially vertically and abutting against an inner wall of the inner sill 330, the outer edge 325 being disposed substantially vertically and abutting against an inner wall of the outer sill 310, and the upper and lower edges 322 and 323 being disposed substantially horizontally. The two reinforcing ribs 321 divide the buffer space into three buffer units, and the upper end of one of the reinforcing ribs 321 is connected with the corner between the upper side 322 and the bevel edge 326, so that the cross sections of the three buffer units are respectively rectangular, rectangular and trapezoidal.

In a preferred embodiment, the bottom of the B-pillar reinforcement panel 410 is connected to the outer rocker 310, and the bottom of the inner panel of the B-pillar 400 is connected between the top of the inner rocker 330 and the top of the outer rocker 310, so as to facilitate the transmission of the collision force. A fourth closed cavity is defined between the inner door sill 330 and the outer door sill 310, and the fourth closed cavity also has a buffering function, so that the collision force can be absorbed, and the collision resistance of the vehicle can be improved.

Further, the B-pillar reinforcement plate 410 and the outer sill 310, the B-pillar 400 inner plate and the inner sill 330, and the B-pillar 400 inner plate and the outer sill 310 may be connected by welding.

Further, the inner sill 330 protrudes inward to extend below the floor 800, thereby providing lateral support to the floor 800.

Preferably, the bottom of the inner threshold 330 is connected to the bottom of the outer threshold 310 by welding. More preferably, the rocker 300 further has a buffer space on both the upper and lower sides of the rocker reinforcement beam 320, so that the inner rocker 330 and the outer rocker 310 have a deformation space to some extent, and thus the lateral protection of the vehicle can be further enhanced, especially the battery pack at the bottom of the vehicle can be protected, and the possibility of fire after the battery pack collides can be reduced.

Fig. 5 is a cross-sectional view of a lower joint of a B-pillar of a vehicle body structure provided in one embodiment of the present invention. In a specific embodiment, as shown in fig. 5, the vehicle body structure further includes a bottom cross member connecting plate 340, both ends of which are connected to the inner rocker 330 and the floor center cross member 810, respectively, and the connection manner may be welding. Compared with the prior art, the bottom cross beam connecting plate 340 is added, so that the connection between the floor middle cross beam 810 and the doorsill 300 is more stable, and the transmission of collision force is facilitated, namely, the protection of passengers in the vehicle and battery packs at the bottom of the vehicle is facilitated.

It should be noted that the bottom beam connecting plate 340 and the middle beam connecting plate 130 directly or indirectly reinforce the connection strength of the bottom and the top of the B-pillar 400, respectively, and provide more support for the B-pillar 400 than the prior art, so that the strength and the rigidity of the joint between the B-pillar 400 and other components are improved.

In a particular embodiment, the B-pillar 400 further includes an upper stiffener plate 430, a lower stiffener plate 450, and a hinge stiffener plate 440. The hinge reinforcement plate 440 is coupled to the inner wall of the B-pillar reinforcement plate 410. The upper reinforcing plate 430 and the lower reinforcing plate 450 are connected to the upper and lower sides of the B-pillar reinforcing plate 410, respectively. The upper reinforcement plate 430, the lower reinforcement plate 450, and the hinge reinforcement plate 440 can increase the rigidity and strength of the B-pillar 400, thereby constructing a strong B-pillar 400 structure, and the strong B-pillar 400 cooperates with the roof center cross member 100 and the floor center cross member 810, so that the rigidity of the first ring structure can be increased, and the safety performance of the vehicle can be ensured without the existing roof front cross member 10 'and roof auxiliary beam 20'.

In a preferred embodiment, the vehicle body structure further includes a quarter outer panel 900 located outside the a-pillar 500, the B-pillar 400, the pillar 600, and the rocker 300. Preferably, the quarter outer panel 900 is connected to the a-pillar 500, the B-pillar 400, the pillar 600, and the rocker 300. In the above structure, the a-pillar 500, the a-pillar reinforcement plate 510, the a-pillar inner plate 520, the B-pillar reinforcement plate 410, the B-pillar inner plate 420, the center sill connection plate 130, the upper reinforcement plate 430, the lower reinforcement plate 450, the hinge reinforcement plate 440, the outer rocker 310, the rocker reinforcement beam 320, and the side sill outer panel 900 together constitute a side sill assembly of a vehicle, and the inner rocker 330, the floor sill connection plate 340, the floor panel 800, and the floor center sill 810 together constitute a lower body side structure. The structure of the utility model can adopt the upper part mode of the structure of the existing vehicle, thus, no additional process modification cost is generated.

The technical solutions provided by the present invention are described in detail above, and specific examples are applied in this document to explain the structure and the implementation of the present invention, and the descriptions of the above examples are only used to help understanding the method and the core ideas of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the utility model.

Claims (10)

1. The utility model provides a vehicle body structure, its characterized in that, includes threshold, A post, B post, stand, top cap center sill, top cap rear frame member, preceding wind window crossbeam and floor center sill, the both ends of A post respectively with preceding wind window crossbeam with top cap center sill connects, the both ends of stand respectively with top cap rear frame member with top cap center sill connects, the both ends of B post respectively with top cap center sill with floor center sill connects, the A post top cap center sill with set up preceding windshield between the preceding wind window crossbeam.

2. The vehicle body structure of claim 1, wherein the roof center rail includes an inner rail panel and an outer rail panel, the inner rail panel and the outer rail panel being connected and defining a first closed cavity therebetween.

3. The vehicle body structure of claim 2, wherein the a-pillar comprises an a-pillar stiffener and an a-pillar trim, the upper end of the a-pillar stiffener including first and second opposing sides, the upper end of the a-pillar trim including third and fourth opposing sides;

the upright comprises an upright reinforcing plate, one end of the upright reinforcing plate close to the B column comprises a fifth side and a sixth side which are opposite;

the top cover middle cross beam also comprises a middle cross beam connecting plate which is connected with the fourth side and the cross beam inner plate;

the B column comprises a B column reinforcing plate and a B column lining plate;

the first side is connected with the inner wall of the outer beam plate, the second side is connected with the upper end of the B-column reinforcing plate and the sixth side, the third side is connected with the first side and the fifth side, and the fourth side is connected with the upper end of the B-column inner plate, so that a second closed cavity is formed between the B-column reinforcing plate and the B-column inner plate.

4. The vehicle body structure according to claim 3, characterized by further comprising:

a floor;

the floor middle cross beam is connected with the floor, and a third closed cavity is formed between the floor middle cross beam and the floor after the floor middle cross beam is connected with the floor.

5. The vehicle body structure of claim 4, wherein the rocker further comprises an outer rocker, a rocker reinforcement beam, and an inner rocker, the rocker reinforcement beam is located between the outer rocker and the inner rocker, and a side of the rocker reinforcement beam adjacent to the inner rocker faces the third closed cavity.

6. The vehicle body structure according to claim 5, wherein the rocker reinforcement beam is made of an aluminum metal material, and includes a body that is closed and has a cushion space therein, and at least one bead that is located inside the body, each bead being arranged in a vertical direction and dividing the cushion space into at least two cushion units.

7. The vehicle body structure of claim 5, wherein a bottom portion of the B-pillar reinforcement panel is connected to the outer rocker, a bottom portion of the B-pillar inner panel is connected between a top portion of the inner rocker and a top portion of the outer rocker, and a fourth closed cavity is defined between the inner rocker and the outer rocker.

8. The vehicle body structure according to claim 5, characterized by further comprising:

and two ends of the bottom cross beam connecting plate are respectively connected with the floor middle cross beam and the inner threshold.

9. The vehicle body structure according to claim 1, wherein the B-pillar further comprises an upper reinforcement plate, a lower reinforcement plate, and a hinge reinforcement plate, the upper reinforcement plate and the lower reinforcement plate being connected to upper and lower sides of the B-pillar reinforcement plate, respectively.

10. The vehicle body structure according to claim 1, characterized by further comprising:

and the side wall outer plate is positioned on the outer sides of the A column, the B column, the upright column and the doorsill.

Images