CN218229167U - Vehicle body structure and electric vehicle - Google Patents
Vehicle body structure and electric vehicle Download PDFInfo
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- CN218229167U CN218229167U CN202222821069.3U CN202222821069U CN218229167U CN 218229167 U CN218229167 U CN 218229167U CN 202222821069 U CN202222821069 U CN 202222821069U CN 218229167 U CN218229167 U CN 218229167U
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Abstract
The utility model relates to a vehicle body structure and electric vehicle, this vehicle body structure includes left threshold assembly, right threshold assembly, two back longeron assemblies, well back floor assembly, front floor assembly and back floor web, two back longeron assemblies all extend and connect the left and right sides at well back floor assembly and front floor assembly along the fore-and-aft direction, back floor web extends and both ends are connected left threshold assembly and right threshold assembly respectively along the left and right direction, and the front end of back longeron assembly and the front end of well back floor assembly all are connected with the rear side of back floor web, the rear end of front floor assembly is connected with the front side of back floor web. When a side pillar is collided, the vehicle body structure can realize the energy dispersion, reduce the intrusion amount of the collision to the vehicle body and protect the battery pack and the passenger compartment.
Description
Technical Field
The present disclosure relates to the field of vehicle technology, and in particular, to a vehicle body structure and an electric vehicle.
Background
In the collision process of the side column of the electric vehicle, the collision energy can not be effectively dispersed and transferred due to the insufficient strength of the vehicle body, the battery pack can not be effectively protected, the battery pack is often deformed and leaked, and the safety coefficient is low.
SUMMERY OF THE UTILITY MODEL
An object of the present disclosure is to provide a vehicle body structure and an electric vehicle, which can solve technical problems existing in the related art.
In order to achieve the above object, the present disclosure provides a vehicle body structure, where the vehicle body structure includes a left side sill assembly, a right side sill assembly, two rear side sill assemblies, a middle rear floor assembly, a front floor assembly, and a rear floor reinforcing cross beam, the two rear side sill assemblies extend in a front-rear direction and are connected to the left and right sides of the middle rear floor assembly and the front floor assembly, the rear floor reinforcing cross beam extends in a left-right direction and has two ends connected to the left side sill assembly and the right side sill assembly, respectively, the front end of the rear side sill assembly and the front end of the middle rear floor assembly are connected to the rear side of the rear floor reinforcing cross beam, and the rear end of the front floor assembly is connected to the front side of the rear floor reinforcing cross beam.
Optionally, the rear floor reinforcing beam comprises an upper beam plate and a lower beam plate which are mutually folded and connected in the vertical direction, and the upper beam plate and the lower beam plate can enclose a cavity extending in the horizontal direction.
Alternatively, the cross section of the rear floor reinforcing crossmember is formed in a "square" shape.
Optionally, the vehicle body structure further comprises a battery pack mounting bracket, the battery pack mounting bracket is connected to the end portion of the lower beam plate and the front end of the lower surface of the rear side member assembly, and the battery pack mounting bracket is used for mounting a battery pack.
Optionally, the battery pack mounting bracket is welded to an end of the lower cross beam plate and a front end of the lower surface of the rear side beam assembly.
Optionally, a first energy absorbing structure capable of collapsing in the left-right direction is arranged on the upper cross beam plate, and a second energy absorbing structure capable of collapsing in the left-right direction is arranged on the lower cross beam plate.
Optionally, the first energy absorbing structure is configured as a crush rib and/or a weight-reducing aperture, and/or the second energy absorbing structure is configured as a crush rib and/or a weight-reducing aperture.
Optionally, the upper cross beam plate and the lower cross beam plate are connected by welding.
Optionally, the rear longitudinal beam assembly, the middle-rear floor assembly, the front floor assembly, the left doorsill assembly and the right doorsill assembly are welded to the rear floor reinforcing cross beam.
The present disclosure also provides an electric vehicle including the vehicle body structure.
In the technical scheme, the rear floor reinforcing cross beam is arranged between the left doorsill assembly and the right doorsill assembly, the front end of the rear longitudinal beam assembly and the front end of the middle and rear floor assemblies are connected with the rear side of the rear floor reinforcing cross beam, the rear end of the front floor assembly is connected with the front side of the rear floor reinforcing cross beam, and the strength of the vehicle body structure can be effectively improved by arranging the rear floor reinforcing cross beam. When the side column is collided, the left doorsill assembly, the right doorsill assembly and the rear floor reinforcing cross beam are I-shaped, so that residual energy can be effectively transmitted and dispersed, and the rear floor reinforcing cross beam can also effectively increase the strength of a vehicle body structure in the left and right directions, so that the collision invasion amount is reduced, the deformation of a battery pack is avoided, and the safety of a passenger compartment is ensured. In addition, because the front end of the rear longitudinal beam assembly and the front end of the middle and rear floor assemblies are connected with the rear floor reinforcing cross beam, when the side column is collided, the energy is transmitted to the rear floor reinforcing cross beam through the left doorsill assembly or the right doorsill assembly, and then the rear floor reinforcing cross beam can also transmit the energy to the rear longitudinal beam assembly, the middle and rear floor assemblies and the front floor assembly, so that the energy is dispersed, the intrusion of the collision to the vehicle body is reduced, and the battery pack and the passenger compartment are protected.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
fig. 1 is a schematic structural view of a vehicle body structure according to an embodiment of the present disclosure, and a battery pack is illustrated in the drawing;
FIG. 2 is a bottom view of the vehicle body structure of one embodiment of the present disclosure;
FIG. 3 is a cross-sectional view of a vehicle body structure of an embodiment of the present disclosure, and also illustrating a battery pack;
FIG. 4 is a bottom view of a rear floor reinforcing cross member of the vehicle body structure of an embodiment of the present disclosure;
FIG. 5 isbase:Sub>A cross-sectional view taken at A-A of FIG. 4;
FIG. 6 is a schematic structural view of an upper cross member panel of the vehicle body structure according to an embodiment of the present disclosure;
FIG. 7 is a structural schematic view of a lower cross member panel of the vehicle body structure of one embodiment of the present disclosure;
fig. 8 is a schematic view of an electric vehicle having a vehicle body structure according to an embodiment of the present disclosure.
Description of the reference numerals
1. Left threshold assembly 2 right threshold assembly
3. Rear longitudinal beam assembly 4 middle and rear floor assembly
5. Upper beam plate of rear floor reinforcing beam 51
52. First energy absorbing structure of lower beam plate 510
520. Second energy-absorbing structure 6 mounting bracket
7. Front floor assembly 100 battery pack
200. Vehicle body structure 300 electric vehicle
Detailed Description
The following detailed description of the embodiments of the disclosure refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
As shown in fig. 1 to 7, the present disclosure provides a vehicle body structure 200, where the vehicle body structure 200 includes a left side sill assembly 1, a right side sill assembly 2, two rear side member assemblies 3, a middle and rear floor assembly 4, a front floor assembly 7, and a rear floor reinforcing cross beam 5, the two rear side member assemblies 3 extend in a front-rear direction and are connected to left and right sides of the middle and rear floor assemblies 4 and 7, the rear floor reinforcing cross beam 5 extends in a left-right direction and has two ends connected to the left side sill assembly 1 and the right side sill assembly 2, respectively, a front end of the rear side member assembly 3 and a front end of the middle and rear floor assembly 4 are connected to a rear side of the rear floor reinforcing cross beam 5, and a rear end of the front floor assembly 7 is connected to a front side of the rear floor reinforcing cross beam 5.
In the above technical solution, by arranging the rear floor reinforcing cross beam 5 between the left rocker assembly 1 and the right rocker assembly 2, the front end of the rear side member assembly 3 and the front end of the middle rear floor assembly 4 are both connected to the rear side of the rear floor reinforcing cross beam 5, and the rear end of the front floor assembly 7 is connected to the front side of the rear floor reinforcing cross beam 5, the strength of the vehicle body structure 200 can be effectively increased by arranging the rear floor reinforcing cross beam 5. When the side pillar is collided, the left doorsill assembly 1, the right doorsill assembly 2 and the rear floor reinforcing beam 5 are in an I shape, so that residual energy can be effectively transmitted and dispersed, and the rear floor reinforcing beam 5 can also effectively increase the strength of the vehicle body structure 200 in the left and right directions, so that the collision invasion amount is reduced, the battery pack 100 is prevented from being deformed, and the safety of a passenger compartment is ensured. In addition, because the front end of the rear longitudinal beam assembly 3 and the front end of the middle and rear floor assemblies 4 are connected with the rear floor reinforcing cross beam 5, when a side pillar is collided, after energy is transmitted to the rear floor reinforcing cross beam 5 through the left doorsill assembly 1 or the right doorsill assembly 2, the rear floor reinforcing cross beam 5 can also transmit the energy to the rear longitudinal beam assembly 3, the middle and rear floor assemblies 4 and the front floor assembly 7, the energy is dispersed, the intrusion of the collision to a vehicle body is reduced, and the battery pack 100 and a passenger compartment are protected.
Alternatively, as shown in fig. 4 to 7, the rear floor reinforcing crossmember 5 includes an upper crossmember plate 51 and a lower crossmember plate 52 that are folded and connected to each other in the up-down direction, and the upper crossmember plate 51 and the lower crossmember plate 52 can enclose a cavity 50 that extends in the left-right direction.
In this embodiment, the rear floor reinforcement beam 5 has a simple structure, and the upper beam plate 51 and the lower beam plate 52 that are coupled to each other enclose the cavity 50 extending in the left-right direction, so that the structural strength of the rear floor reinforcement beam 5 can be effectively improved. For example, the cross section of the rear floor reinforcing crossmember 5 is formed in a "square" shape, thereby ensuring the structural strength of the reinforcing crossmember 5 in the right-left direction and the front-rear direction.
Alternatively, as shown in fig. 1 to 3, the vehicle body structure 200 further includes a battery pack mounting bracket 6, the battery pack mounting bracket 6 being connected to an end portion of the lower cross member plate 52 and a front end of the lower surface of the rear side member assembly 3, the battery pack mounting bracket 6 being used to mount the battery pack 100. By arranging the battery pack mounting bracket 6 on the lower cross beam plate 52 and the rear longitudinal beam assembly 3, on one hand, the installation of the battery pack 100 is facilitated, and on the other hand, the battery pack mounting bracket 6 can effectively improve the connection strength between the rear floor reinforcing cross beam 5 and the rear longitudinal beam assembly 3. For example, the battery pack mounting bracket 6 is welded to the end of the lower cross member plate 52 and the front end of the lower surface of the rear side member assembly 3, thereby improving the stability of the mounting.
Referring to fig. 6 and 7, the upper beam panel 51 is provided with a first energy absorbing structure 510 capable of collapsing in the left-right direction, and the lower beam panel 52 is provided with a second energy absorbing structure 520 capable of collapsing in the left-right direction. By providing the first energy absorbing structure 510 and the second energy absorbing structure 520, energy can be effectively absorbed when a side pillar collision occurs, avoiding damage to the battery pack 100 and the passenger compartment. For example, the first energy absorbing structure 510 is configured as a crush rib and/or a weight-reducing aperture, and/or the second energy absorbing structure 520 is configured as a crush rib and/or a weight-reducing aperture. The present disclosure is not limited to the specific configuration of the first energy absorbing structure 510 and the second energy absorbing structure 520.
Optionally, the upper cross beam plate 51 and the lower cross beam plate 52 are connected by welding, so as to improve the stability of the connection between the upper cross beam plate 51 and the lower cross beam plate 52. In addition, the rear longitudinal beam assembly 3, the middle rear floor assembly 4, the front floor assembly 7, the left doorsill assembly 1 and the right doorsill assembly 2 can be welded with the rear floor reinforcing cross beam 5. Thereby improving the stability of the connection between the components of the vehicle body structure 200.
Referring to fig. 8, the present disclosure also provides an electric vehicle 300, and the electric vehicle 300 includes the vehicle body structure 200 described above.
By providing the vehicle body structure 200 on the electric vehicle 300, when a side pillar is collided, the left rocker assembly 1, the right rocker assembly 2 and the rear floor reinforcing cross beam 5 are in an I shape, so that residual energy can be effectively transmitted and dispersed, and the rear floor reinforcing cross beam 5 can also effectively increase the strength of the vehicle body rear structure vehicle body structure 200 in the left and right directions, thereby reducing the collision invasion amount, avoiding the deformation of the battery pack 100 and ensuring the safety of a passenger compartment. In addition, because the front end of the rear side rail assembly 3 and the front end of the middle and rear floor assemblies 4 are both connected with the rear floor reinforcing cross beam 5, when a side pillar collision occurs, after energy is transmitted to the rear floor reinforcing cross beam 5 through the left doorsill assembly 1 or the right doorsill assembly 2, the rear floor reinforcing cross beam 5 can also transmit the energy to the rear side rail assembly 3, the middle and rear floor assemblies 4 and the front floor assembly 7, so that energy dispersion is realized, the intrusion amount of the collision to the vehicle body is reduced, and the battery pack 100 and the passenger compartment are protected.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure as long as it does not depart from the gist of the present disclosure.
Claims (10)
1. The utility model provides a vehicle body structure, its characterized in that, vehicle body structure includes left threshold assembly, right threshold assembly, two back longeron assemblies, well back floor assembly, front floor assembly and back floor stiffening beam, two back longeron assemblies all extend along the fore-and-aft direction and are connected well back floor assembly with the left and right sides of front floor assembly, back floor stiffening beam extends along the left and right sides direction and both ends are connected respectively left side threshold assembly and right threshold assembly, just the front end of back longeron assembly with the front end of well back floor assembly all with back floor stiffening beam's rear side is connected, the rear end of front floor assembly with back floor stiffening beam's front side is connected.
2. The vehicle body structure according to claim 1, wherein the rear floor reinforcement cross member includes an upper cross member panel and a lower cross member panel that are joined to each other in an up-down direction, and the upper cross member panel and the lower cross member panel can enclose a cavity extending in a left-right direction.
3. The vehicle body structure according to claim 2, wherein a cross section of the rear floor reinforcing cross member is formed in a shape of a letter "square".
4. The vehicle body structure of claim 2, further comprising a battery pack mounting bracket connected to an end of the lower beam panel and a front end of the lower surface of the rear rail assembly, the battery pack mounting bracket being configured to mount a battery pack.
5. The vehicle body structure of claim 4, wherein the battery pack mounting bracket is welded to an end portion of the lower cross member plate and a front end of the lower surface of the rear side member assembly.
6. The vehicle body structure according to claim 2, wherein the upper cross member panel is provided with a first energy absorbing structure that can be collapsed in the left-right direction, and the lower cross member panel is provided with a second energy absorbing structure that can be collapsed in the left-right direction.
7. The vehicle body structure of claim 6, wherein the first energy absorbing structure is configured as a crush rib and/or a weight-reducing aperture, and/or wherein the second energy absorbing structure is configured as a crush rib and/or a weight-reducing aperture.
8. The vehicle body structure of claim 2, wherein the upper and lower cross members are joined by welding.
9. The vehicle body structure according to claim 1, wherein the rear side member assembly, the middle rear floor assembly, the front floor assembly, the left rocker assembly, and the right rocker assembly are welded to the rear floor reinforcement cross member.
10. An electric vehicle characterized by comprising the vehicle body structure of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222821069.3U CN218229167U (en) | 2022-10-25 | 2022-10-25 | Vehicle body structure and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222821069.3U CN218229167U (en) | 2022-10-25 | 2022-10-25 | Vehicle body structure and electric vehicle |
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| Publication Number | Publication Date |
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| CN218229167U true CN218229167U (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222821069.3U Active CN218229167U (en) | 2022-10-25 | 2022-10-25 | Vehicle body structure and electric vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119240352A (en) * | 2024-12-06 | 2025-01-03 | 吉林建筑科技学院 | A multi-directional foldable road grain collector |
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2022
- 2022-10-25 CN CN202222821069.3U patent/CN218229167U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119240352A (en) * | 2024-12-06 | 2025-01-03 | 吉林建筑科技学院 | A multi-directional foldable road grain collector |
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