CN223355707U - Body structure and vehicle - Google Patents

Abstract

The application discloses a vehicle body structure and a vehicle, wherein the vehicle body structure comprises a threshold, a threshold support piece and a B-pillar lower inner plate, a cavity is formed in the threshold, an opening communicated with the cavity is formed in the threshold, the threshold support piece is arranged in the cavity and connected with the inner wall of the threshold, the B-pillar lower inner plate is arranged on one side of the threshold, and one end of the B-pillar lower inner plate extends from the opening to the cavity and is connected with the threshold support piece. Through the mode, the application can ensure the stability of the connection of the B column and the threshold, improve the side collision performance of the whole vehicle, and has the advantages of simple structure, light weight and low cost.

Description

Vehicle body structure and vehicle

Technical Field

The application belongs to the field of automobiles, and particularly relates to a vehicle body structure and a vehicle.

Background

With the rapid development of the automobile market, how to improve the automobile collision safety performance becomes the focus of society and enterprises. The threshold structure is used as a side collision key structure, and the strength of the threshold structure and the connection strength between A, B and the C column are particularly key.

The threshold structure in the prior art is difficult to meet the increasingly strict requirements on the rigidity of a vehicle body, and is difficult to simultaneously meet the requirements on the stability of the connection of a B column and a threshold, the side collision performance of the whole vehicle, a lightweight structure and low cost.

Disclosure of utility model

The application provides a vehicle body structure and a vehicle, which can ensure the connection stability of a B column and a threshold, improve the side collision performance of the whole vehicle, and have the advantages of simple structure, light weight and low cost.

In order to solve the technical problems, the technical scheme includes that the vehicle body structure comprises a threshold, a threshold support piece and a B-pillar lower inner plate, wherein a cavity is formed in the threshold, an opening communicated with the cavity is formed in the threshold, the threshold support piece is arranged in the cavity and connected with the inner wall of the threshold, the B-pillar lower inner plate is arranged on one side of the threshold, and one end of the B-pillar lower inner plate extends from the opening to the cavity and is connected with the threshold support piece.

Preferably, the threshold includes interconnect's threshold inner panel and threshold planking, the threshold inner panel with it forms to surround between the threshold planking the cavity, inner panel one end is equipped with first turn-ups under the B post, first turn-ups orientation the threshold planking extends.

Preferably, the threshold support member includes a top plate and two side plates respectively connected to both ends of the top plate, and the top plate is connected to the first flange and the threshold inner plate.

Preferably, the two side plates extend in a direction away from the lower inner plate of the B column and are connected with the inner wall of the threshold, one end of each side plate, which faces the inner plate of the threshold, is provided with a second flanging, and the second flanging is connected with the inner plate of the threshold.

Preferably, the side plate is provided with a conductive rib, and the conductive rib extends along a first direction, wherein the first direction is a direction in which the inner door sill plate points to the outer door sill plate.

Preferably, the vehicle body structure further comprises a seat cross beam, the end part of the seat cross beam is connected with the threshold, the conducting rib comprises a first conducting rib, and the lower surface of the seat cross beam is arranged in a flush mode with the first conducting rib.

Preferably, the conductive ribs further comprise second conductive ribs disposed on a side of the first conductive ribs facing away from the top plate, the second conductive ribs being configured to be disposed in alignment with the battery beam.

Preferably, the threshold support member comprises a first threshold support member and a second threshold support member which are arranged at intervals along the extending direction of the threshold, the number of the first flanges is two, and the two first flanges are respectively connected with the first threshold support member and the second threshold support member.

Preferably, at least one of the first and second sill supports is provided with a lightening hole.

In order to solve the technical problem, the other technical scheme adopted by the application is that the vehicle comprises the vehicle body structure and the battery, wherein the vehicle body structure and the battery comprise a battery beam.

Compared with the prior art, the vehicle body structure has the beneficial effects that the threshold support piece is arranged in the threshold of the vehicle body structure, so that the side collision force is effectively transmitted while the strength of the threshold is increased, the collision force transmission path is increased, and the intrusion quantity in a cabin is reduced. According to the application, the lower inner plate of the B column extends into the threshold and is fixedly connected with the threshold support piece, so that the lower inner plate of the B column, the cavity in the threshold and the threshold support piece form an integrated fixing structure, the threshold and the B column structure are more stable, the side collision overturning at the threshold can be effectively resisted, and the space in the vehicle is prevented from being extruded. Meanwhile, collision force can be transmitted through the joint of the lower inner plate of the B column and the threshold support piece, a force transmission path is increased, the invasion amount in the cabin is reduced, and the safety coefficient of the vehicle body can be improved through a lightweight structure. The vehicle body structure provided by the application is simple in structure, convenient to manufacture and low in production cost.

Drawings

For a clearer description of the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:

FIG. 1 is a schematic view of a structure of an embodiment of a vehicle body structure of the present application;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of an embodiment of a rocker outer panel for a vehicle body structure according to the present application;

FIG. 4 is a schematic view of an embodiment of a rocker support according to the present application;

FIG. 5 is a schematic view of another embodiment of a vehicle body structure of the present application;

FIG. 6 is a cross-sectional view of another embodiment of the body structure of the present application;

Fig. 7 is a schematic view of another embodiment of the rocker support according to the application.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Referring to fig. 1 and 2, fig. 1 is a schematic structural view of an embodiment of a vehicle body structure according to the present application, and fig. 2 is a sectional view of fig. 1. The vehicle body structure 100 includes a rocker 10, a rocker support 20, and a B-pillar lower inner panel 30, all made of steel. The door sill 10 has a strip-like structure extending in the front-rear direction (second direction Y) of the vehicle body, the door sill 10 has a cavity 101 therein, and an opening (not shown) communicating with the cavity 101 is provided at the top of the door sill 10, the opening extending in the second direction Y. The rocker supports 20 are disposed in the cavity 101, the rocker supports 20 are connected to the inner wall of the rocker 10, the rocker supports 20 are supported inside the rocker 10 for absorbing energy and transmitting side impact force to the inner side of the rocker 10, the number of rocker supports 20 may be one or more, and a plurality of rocker supports 20 are disposed at intervals along the second direction Y. The B-pillar lower inner panel 30 is provided on the rocker 10 side, and one end of the B-pillar lower inner panel 30 extends from the opening into the cavity 101 and is connected to the rocker support 20. The B-pillar lower inner panel 30 is a portion of an automotive B-pillar (not shown), the bottom portion is connected to the rocker 10, and the width of the B-pillar lower inner panel 30 in the second direction Y gradually increases from the top to the bottom. The bottom of the lower inner panel 30 of the B-pillar is fixedly connected to at least one rocker support 20 after being inserted into the cavity 101 through the opening.

The door sill 10 of the vehicle body structure 100 provided by the application is provided with the door sill support 20, and the door sill support 20 effectively transmits side collision force, increases a collision force transmission path and reduces the intrusion amount in a cabin while increasing the strength of the door sill 10. The lower inner plate 30 of the B-pillar extends into the door sill 10 and is fixedly connected with the door sill support 20, so that the lower inner plate 30 of the B-pillar, the cavity 101 in the door sill 10 and the door sill support 20 form an integrated fixing structure, the door sill 10 and the B-pillar are more stable in structure, side collision and overturning at the door sill 10 can be effectively resisted, and the space in a vehicle is prevented from being extruded. Meanwhile, the collision force can be transmitted through the joint of the B-pillar lower inner plate 30 and the threshold support 20, a force transmission path is increased, the intrusion amount in the cabin is reduced, and the improvement of the safety coefficient of the vehicle body can be realized through a lightweight structure. And the vehicle body structure 100 provided by the application has the advantages of simple structure, convenient manufacture and production cost.

Optionally, with continued reference to fig. 1 and 2, the threshold 10 includes a threshold inner plate 11 and a threshold outer plate 12 that are connected to each other, the threshold inner plate 11 and the threshold outer plate 12 are both elongated structures extending along the second direction Y, the cross sections of the two are both in a laterally-arranged zigzag structure, the zigzag opening of the threshold inner plate 11 is arranged towards the threshold outer plate 12, the zigzag opening of the threshold outer plate 12 is arranged towards the threshold inner plate 11, the top flanges and the bottom flanges of the threshold inner plate 11 and the threshold outer plate 12 are oppositely arranged and welded and fixed, a cavity 101 is formed between the threshold inner plate 11 and the threshold outer plate 12 in a surrounding manner, a first flange 31 is arranged at one end of the lower inner plate 30 of the b-pillar, and the first flange 31 extends towards the threshold outer plate 12. Optionally, referring to fig. 3, fig. 3 is a schematic structural view of an embodiment of the rocker outer panel of the vehicle body structure according to the present application. In this embodiment, two first flanges 31 are disposed at the bottom of the lower inner panel 30 of the B pillar, the two first flanges 31 are disposed at intervals along the second direction Y, the two threshold supports 20 are disposed corresponding to the first flanges 31, the two first flanges 31 are respectively the first threshold supports 20a and the second threshold supports 20B along the second direction Y, and the two first flanges 31 extend from one side of the outer panel 12 of the homogeneous phase threshold and are respectively welded and fixed with the first threshold supports 20a and the second threshold supports 20B, so that the stability of connecting the lower inner panel 30 of the B pillar with the threshold 10 is further increased. Because the lower inner plate 30 of the B-pillar extends to the outer plate 12 of the threshold through the first flange 31 and is fixedly connected with the threshold support member 20, when the outer side of the threshold 10 receives the impact, the impact force can be transferred to the B-pillar through the outer plate 12 of the threshold, the threshold support member 20 and the first flange 31 of the lower inner plate 30 of the B-pillar in sequence, so that the impact force transfer path is increased, the impact force is dispersed, and the intrusion amount in the cabin is reduced.

Optionally, with continued reference to fig. 1 and 2, the vehicle body structure 100 further includes a B-pillar reinforcement panel 40 secured to a side of the B-pillar lower inner panel 30 facing the rocker outer panel 12, the bottom of the B-pillar reinforcement panel 40 being welded to a side of the rocker outer panel 12 facing away from the rocker inner panel 11 to increase the B-pillar strength.

Optionally, referring to fig. 4 in combination with fig. 3, fig. 4 is a schematic structural view of an embodiment of the rocker support according to the present application. The rocker support 20 includes a top plate 21 and two side plates 22 respectively connected to both ends of the top plate 21, and the top plate 21 is connected to the first flange 31 and the rocker inner plate 11. The rocker support 20 is also of a generally inverted-v-shaped structure in which a portion of the roof panel 21 adjacent to the rocker outer panel 12 is used for welding with the first bead 31, and a portion of the roof panel 21 adjacent to the rocker inner panel 11 is used for welding with the rocker inner panel 11. The above arrangement allows the rocker support 20, the rocker inner panel 11 and the rocker outer panel 12 to be connected as a unit, increasing the structural stability of the rocker 10, so that the impact force can be transmitted inwardly through the rocker outer panel 12, the roof panel 21 of the rocker support 20 and the rocker inner panel 11 in sequence. Meanwhile, the first flange 31 and the different parts of the threshold inner plate 11 and the top plate 21 are welded, so that the condition of multi-layer welding at the same position is avoided, and the stability of welding is ensured. Alternatively, the roof panel 21 is provided in close contact with the rocker outer panel 12, but not fixedly connected.

Further, with continued reference to fig. 4, both side plates 22 extend away from the B-pillar inner panel 30 and connect with the inner wall of the rocker 10, and both side plates 22 are supported at the bottom of the rocker 10, ensuring that the rocker support 20 is stably supported within the rocker 10. Since each of the rocker supports 20 has two side plates 22, the impact force can be transmitted inward through the two side plates 22. Specifically, the end of the side plate 22 facing the rocker inner plate 11 is provided with a second bead 221, the second bead 221 is welded to the inner wall of the rocker inner plate 11, and the second bead 221 extends to the outside of the side plate 22. Optionally, a fourth flange 222 is provided at an end of the two side plates 22 facing the rocker outer plate 12, the fourth flange 222 extending outward of the side plates 22, the fourth flange 222 being attached to the rocker outer plate 12 but not fixedly connected to strengthen the support of the rocker outer plate 12. The bottom end of the side plate 22 is provided with a third flange 223, the third flange 223 is welded with the bottom wall of the threshold inner plate 11, the third flange 223 extends to the outer side of the side plate 22, and the stability of the connection of the threshold support 20 with the threshold inner plate 11 is ensured by arranging the second flange 221 and the third flange 223.

Optionally, with continued reference to fig. 4, the side plate 22 is provided with a conductive rib 23, and the conductive rib 23 extends along a first direction X, where the first direction X is a direction in which the rocker inner plate 11 points toward the rocker outer plate 12. The conductive rib 23 may be formed by recessing or protruding the side plate 22 inward, the conductive rib 23 extending in the left-right direction of the vehicle body (i.e., the first direction X), the conductive rib 23 forming a force transmission path on the side plate 22 while increasing the rigidity of the side plate 22, and when the vehicle body is impacted laterally, the external impact force may sequentially pass through the conductive rib 23 on the rocker outer plate 12, the rocker inner plate 11 on the rocker support 20, and up to the inner frame structure. Alternatively, the number of the conductive ribs 23 may be one or more.

Alternatively, referring to fig. 5, fig. 5 is a schematic structural view of another embodiment of the vehicle body structure of the present application. The vehicle body structure 100 further includes a seat cross member (not shown) supported at the bottom of the seat (not shown), specifically, in this embodiment, the seat cross member includes a seat front cross member (not shown) and a seat rear cross member 50 each extending in the first direction X, both end portions of the seat front cross member and the seat rear cross member 50 are respectively connected to the rocker 10 on both sides, specifically, the end portions of the seat rear cross member 50 are welded to the side of the rocker inner panel 11 facing away from the rocker outer panel 12, the above arrangement makes the seat rear cross member 50 and the rocker 10 fixed as one body, one of the external impact forces passes through the roof panel 21 of the rocker support 20 and then is transmitted to the seat rear cross member 50 through the rocker inner panel 11, further, the top portion of the seat rear cross member 50 is also fixed with a rear cross member reinforcing plate 51, the end portions of the rear cross member reinforcing plate 51 extend in the direction of the rocker inner panel 10 and are welded to the top portion of the rocker inner panel 11, further stability is increased, and one of the external impact forces is transmitted to the upper surface of the seat rear cross member 50 through the rocker inner panel 11, the rear cross member reinforcing plate 51. The conductive rib 23 includes a first conductive rib 231, and the lower surface of the seat rear cross member 50 is disposed flush with the first conductive rib 231. The above arrangement allows another of the external impact forces to be transmitted to the lower surface of the seat back cross member 50 after passing through the first conductive rib 231 of the rocker support 20. The upper and lower surfaces of the seat rear cross member 50 can transmit impact force to ensure the safety of the passenger compartment.

Optionally, the conductive ribs 23 further include a second conductive rib 232, the second conductive rib 232 is disposed on a side of the first conductive rib 231 facing away from the top plate 21, i.e. below the first conductive rib 231, the first conductive rib 231 and the second conductive rib 232 are disposed in parallel, and the second conductive rib 232 is disposed in alignment with the battery beam. For the new energy vehicle, the vehicle further includes a battery (not shown) below the seat rear cross member 50, and the battery includes a battery cross member 60, so that another path of the external impact force is transmitted to the battery cross member 60 after passing through the second conductive rib 232 of the rocker support 20 by the above arrangement, further increasing the transmission path of the impact force. In other embodiments, the number of conductive ribs 23 may be greater.

Referring to fig. 6, fig. 6 is a cross-sectional view of another embodiment of the vehicle body structure of the present application. The B-pillar reinforcement plate and the rocker outer plate are hidden in the figure. The arrows in the figure show four force transmission paths, wherein a first force transmission path W1 is used for transmitting force to the lower surface of the seat rear cross beam 50 through a first conducting rib 231, a second force transmission path W2 is used for transmitting force to the upper part of a B-pillar and a top cover cross beam (not shown) through a B-pillar reinforcing plate (not shown), a threshold outer plate (not shown), a top plate 21 of a threshold support 20 and a first flanging 31 of a B-pillar lower inner plate 30 in sequence, a third force transmission path W3 is used for transmitting force to the upper surface of the seat rear cross beam 50 through the top plate 21 of the threshold support 20, the threshold inner plate 11 and a rear cross beam reinforcing plate 51, and a fourth force transmission path W4 is used for transmitting force to the battery cross beam 60 through a second conducting rib 232. The vehicle body structure 100 of the present embodiment ensures its own structural strength on the one hand, and on the other hand, provides a plurality of force transmission paths that disperse side impact forces and ensure the safety of the passenger compartment.

Alternatively, referring to fig. 7, fig. 7 is a schematic structural view of another embodiment of the rocker support according to the present application. The present embodiment is substantially identical to the threshold support 20 shown in fig. 4, except that a through hole 224 is provided in the side plate 22, and the through hole 224 is provided between the first conductive rib 231 and the second conductive rib 232 and on the side of the second conductive rib 232 facing away from the first conductive rib 231, i.e., below the second conductive rib 232. The rocker support 20 provided with the through-holes 224 can reduce its own weight. One of the first and second threshold supports 20a and 20b is provided with a through hole 224, which realizes light weight while ensuring strength. In the present embodiment, the first rocker support 20a is located on the vehicle body rear side with respect to the second rocker support 20b, and the side panel 22 of the first rocker support 20a is provided with the through hole 224. In other embodiments, other numbers of through holes 224 may be provided, and the positions may be just below the second conductive ribs 232, which is not particularly limited in the present application.

The present application also provides a vehicle comprising the body structure 100 of any of the preceding embodiments and a battery comprising a battery cross member 60. The vehicle body structure 100 provided by the present application is suitable for various vehicle types, such as a sedan, an SUV (sport utility vehicle), an MPV (multi-Purpose Vehicles), or the like.

The foregoing is only illustrative of the present application and is not to be construed as limiting the scope of the application, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present application and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the application.

Claims (9)

1. A vehicle body structure, comprising: A threshold, wherein the threshold has a cavity therein and an opening is provided on the threshold for communicating with the cavity, the threshold comprising an inner threshold panel and an outer threshold panel connected to each other, wherein the inner threshold panel and the outer threshold panel enclose the cavity; a threshold support member, disposed in the cavity, the threshold support member being connected to an inner wall of the threshold; The B-pillar lower inner panel is arranged on one side of the door sill, one end of the B-pillar lower inner panel extends from the opening into the cavity and is connected to the door sill support, and one end of the B-pillar lower inner panel is provided with a first flange, which extends toward the door sill outer panel. 2. The vehicle body structure according to claim 1, wherein: The threshold support member includes a top plate and two side plates respectively connected to both ends of the top plate. The top plate is connected to the first flange and the threshold inner plate. 3. The vehicle body structure according to claim 2, characterized in that: The two side panels extend in a direction away from the lower inner panel of the B-pillar and are connected to the inner wall of the door sill; a second flange is provided at one end of the side panel facing the door sill inner panel, and the second flange is connected to the door sill inner panel. 4. The vehicle body structure according to claim 2, wherein: The side panel is provided with a conductive rib, and the conductive rib extends along a first direction, wherein the first direction is a direction from the rocker inner panel to the rocker outer panel. 5. The vehicle body structure according to claim 4, further comprising: a seat crossbeam, an end of which is connected to the door sill; The conductive ribs include first conductive ribs, and the lower surface of the seat cross beam is arranged flush with the first conductive ribs. 6. The vehicle body structure according to claim 5, characterized in that: The conductive rib further includes a second conductive rib, which is arranged on a side of the first conductive rib away from the top plate, and is used to be aligned with the battery beam. 7. The vehicle body structure according to claim 1, wherein: The threshold support member includes a first threshold support member and a second threshold support member spaced apart along the extending direction of the threshold. There are two first flanges, which are respectively connected to the first threshold support member and the second threshold support member. 8 . The vehicle body structure according to claim 7 , wherein at least one of the first rocker support member and the second rocker support member is provided with a weight-reducing hole. 9. A vehicle, comprising: The vehicle body structure and battery according to any one of claims 1 to 8, wherein the battery includes a battery cross beam.