CN109204540B - Vehicle body structure and vehicle - Google Patents
Vehicle body structure and vehicle Download PDFInfo
- Publication number
- CN109204540B CN109204540B CN201710525687.4A CN201710525687A CN109204540B CN 109204540 B CN109204540 B CN 109204540B CN 201710525687 A CN201710525687 A CN 201710525687A CN 109204540 B CN109204540 B CN 109204540B
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- Prior art keywords
- floor panel
- cross member
- middle floor
- body structure
- vehicle body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D23/00—Combined superstructure and frame, i.e. monocoque constructions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
- B62D21/157—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body for side impacts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present disclosure relates to a vehicle body structure and a vehicle. The vehicle body structure comprises a front floor panel, a middle floor panel, a front middle floor connecting plate and a rear seat mounting beam, wherein the middle floor panel is higher than the front floor panel, the front middle floor connecting plate comprises a vertical surface part, an upper connecting part and a lower connecting part, the upper connecting part extends backwards from the upper end of the vertical surface part to be connected with the middle floor panel, the lower connecting part extends forwards from the lower end of the vertical surface part to be connected with the front floor panel, and the rear seat mounting beam is connected with the middle floor panel and has a gap with the vertical surface part. Through on transferring back seat installation crossbeam to well floor panel for the position of preceding well floor connecting plate no longer receives the restriction of back seat installation crossbeam, consequently can with preceding well floor connecting plate antedisplacement, with the length of increasing well floor panel, thereby make the space increase between whole floor panel and the battery tray, with the permission more battery module of arranging, increase the continuation of the journey mileage of vehicle.
Description
Technical Field
The present disclosure relates to a vehicle body structure, and also relates to a vehicle having the vehicle body structure.
Background
For an electric vehicle, in order to increase the driving range, it is necessary to make the space between the battery tray and the floor panel as large as possible to arrange more battery modules.
The floor panel sequentially comprises a front floor panel, a front middle floor connecting plate, a middle floor panel and a rear floor panel from front to back, wherein the front end and the rear end of the front middle floor connecting plate are respectively connected with the front floor panel and the middle floor panel. Since the middle floor panel is higher than the front floor panel, two layers of battery modules are generally arranged between the middle floor panel and the battery tray, and one layer of battery modules is arranged between the front floor panel and the battery tray. In the related art, the rear seat mounting cross member is connected to the front middle floor connecting plate, and the position of the front middle floor connecting plate in the front-rear direction is restricted, so that the middle floor panel cannot be lengthened forward.
Disclosure of Invention
An object of the present disclosure is to provide a vehicle body structure that can allow more battery modules to be arranged below a floor panel.
In order to achieve the above object, the present disclosure provides a vehicle body structure including a front floor panel, a middle floor panel, a front middle floor connecting plate, and a rear seat installation cross member, the middle floor panel being higher than the front floor panel, the front middle floor connecting plate including a standing surface portion, an upper connecting portion extending rearward from an upper end of the standing surface portion to connect to the middle floor panel, and a lower connecting portion extending forward from a lower end of the standing surface portion to connect to the front floor panel, the rear seat installation cross member being connected to the middle floor panel with a space therebetween.
Optionally, the spacing is less than 150 mm.
Optionally, the rear seat mounting cross member corresponds to a side crash box on the rear door in the lateral direction of the vehicle.
Optionally, the rear seat mounting cross beam is located below the middle floor panel, the vehicle body structure further includes a rear side member, and both ends of the rear seat mounting cross beam are connected to the rear side member.
Optionally, the rear seat mounting cross member is formed in an upwardly open groove-like structure, and includes two cross member side walls disposed opposite to each other and a cross member bottom wall connecting the two cross member side walls, and an upper edge of the cross member side wall is formed with a cross member side wall burring extending in the left-right direction, and the cross member side wall burring overlaps with the middle floor panel.
Optionally, the rear longitudinal beam has a first rear longitudinal beam flange connected to the middle floor panel, the rear seat mounting cross beam has cross beam end flanges formed at both ends thereof and extending in the front-rear direction, and the first rear longitudinal beam flange, the cross beam end flanges and the middle floor panel are connected together.
Optionally, be formed with the bellied boss that makes progress on the well floor panel, back seat installation crossbeam vertically divide into main part and two coupling parts along it, wherein, main part connect in the roof of boss, two coupling parts connect respectively in the left wall and the right wall of boss, the supporting seat is bumped to two sides still to the automobile body structure, two sides are bumped the supporting seat and are located well floor panel's top and respectively with two coupling parts link to each other, two sides bump the supporting seat with back seat installation crossbeam is located same straight line, the side is bumped the supporting seat and is corresponded on the horizontal of vehicle with the side that sets up on the back door and bump the anticollision box.
Optionally, the side impact support seat is generally formed into a box-shaped structure with a right-angled triangle section, the inclined end of the side impact support seat is open, and a support seat flange is formed on the edge of the side impact support seat, and the support seat flange, the middle floor panel and the beam side wall flange are connected together.
In the vehicle body structure of the present disclosure, the rear seat mounting cross beam is transferred to the middle floor panel, so that the position of the front middle floor connecting plate is no longer limited by the rear seat mounting cross beam, and therefore the front middle floor connecting plate can be moved forward to increase the length of the middle floor panel.
The present disclosure also provides a vehicle including the vehicle body structure as described above.
Optionally, a battery module is arranged below the middle floor panel, and the rear seat mounting beam is located between the battery module and the middle floor panel.
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 top perspective view of a vehicle body structure according to one embodiment of the present disclosure;
FIG. 2 is a top perspective view of a vehicle body structure showing a rear door inner panel, a side impact crash box, and a door impact beam together, according to one embodiment of the present disclosure;
FIG. 3 is a top perspective view of the vehicle body structure with the front mid-floor connecting plate and the mid-floor panel shown in longitudinal cross-section according to one embodiment of the present disclosure;
FIG. 4 is a cross-sectional perspective view of the vehicle body structure taken from the rear seat mounting cross member according to one embodiment of the present disclosure;
FIG. 5 is an exploded view of a vehicle body structure according to one embodiment of the present disclosure;
FIG. 6 is a perspective view of a rear seat mounting cross member in the vehicle body structure according to one embodiment of the present disclosure;
FIG. 7 is an exploded view of a rear seat mounting cross member in a vehicle body structure according to one embodiment of the present disclosure;
FIG. 8 is a perspective view of a side impact support seat in a vehicle body structure according to one embodiment of the present disclosure;
FIG. 9 is a bottom view of the vehicle body structure according to one embodiment of the present disclosure;
fig. 10 is a sectional view a-a of fig. 9.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with 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.
In the present disclosure, unless otherwise specified, terms of orientation such as "up, down, left, right, front, and rear" are used with reference to the up-down direction, the left-right direction, and the front-rear direction of the vehicle, and specifically, in the drawings, the X direction is the front-rear direction of the vehicle, that is, the longitudinal direction of the vehicle, wherein the side to which the arrow points is "front" and vice versa is "rear"; the Y direction is the left-right direction of the vehicle, i.e., the lateral direction of the vehicle, wherein the side pointed by the arrow is "right", otherwise "left"; the Z direction is the up-down direction of the vehicle, i.e., the height direction of the vehicle, wherein the side pointed by the arrow is "up" and vice versa "down"; "inside and outside" are defined with reference to the outline of the corresponding member, for example, inside and outside of a vehicle defined with reference to the outline of the vehicle, and the side near the middle of the vehicle is "inside" and vice versa. The above definitions are merely provided to aid in the description of the present disclosure and should not be construed as limiting the present disclosure.
All "cross members" in the present disclosure refer to beams extending substantially in the right-left direction of the vehicle, and all "side members" refer to beams extending substantially in the front-rear direction of the vehicle. In addition, the terms "front floor panel", "middle floor panel", "front middle floor connecting plate", "rear side member", and the like, which are referred to in the embodiments of the present disclosure, are intended to have meanings that are well known in the art, without other specific explanations.
In addition, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly and may be non-removably, such as by welding, removably, such as by bolts, or integrally formed by molding.
The present disclosure provides a vehicle body structure and a vehicle having the same. As shown in fig. 1 to 5, 9, and 10, the vehicle body structure includes a front floor panel (not shown), a middle floor panel 33, a front middle floor connecting plate 32, and a rear seat mounting cross member 26. The front middle floor connecting plate 32 has a Z-shaped cross section and includes a standing surface portion 321, an upper connecting portion 322 extending forward from an upper end of the standing surface portion 321, and a lower connecting portion 323 extending rearward from a lower end of the standing surface portion 321, the upper connecting portion 322 being connected to the middle floor panel 33, the lower connecting portion 323 being connected to the front floor panel, the middle floor panel 33 being higher than the front floor panel. The rear seat mounting cross member 26 is connected to the middle floor panel 33, and the rear seat mounting cross member 26 has a space a from the rising portion 321 of the front middle floor connecting plate 32.
In the vehicle body structure of the present disclosure, by transferring the rear seat mounting cross member 26 onto the middle floor panel 33, the position of the front middle floor connecting plate 32 is no longer restricted by the rear seat mounting cross member 26, and therefore the front middle floor connecting plate 32 can be moved forward to increase the length of the middle floor panel 33, and since the height of the middle floor panel 33 is higher than that of the front floor panel, the space between the entire floor panel and the battery tray (not shown) can be increased to allow more battery modules to be arranged, increasing the range of the vehicle.
In order not to affect the riding comfort of the occupant seated on the rear seat and to reduce interference with the leg movements of the occupant, as shown in fig. 10, the interval a between the rear seat mounting cross member 26 and the rising face portion 321 may be less than 150 mm.
In the vehicle body structure of the present disclosure, in order to improve collision safety, in one embodiment, as shown in fig. 2 to 4, the rear seat mounting cross member 26 corresponds to the side crash box 60 on the rear door in the lateral direction of the vehicle. The side impact crash boxes 60 may be two and respectively provided on the left and right rear doors. The side impact crash box 60 comprises a side impact crash box outer plate 61 positioned on the outer side of the rear door inner plate 50 and a side impact crash box inner plate 62 positioned on the inner side of the rear door inner plate 50, the side impact crash box outer plate 61 and the side impact crash box inner plate 62 are both formed into bowl-shaped structures with flanges, the openings of the two bowl-shaped structures are arranged oppositely, and the flanges of the side impact crash box outer plate 61 and the flanges of the side impact crash box inner plate 62 are all lapped with the rear door inner plate 50.
In this case, when the vehicle is involved in a side collision, the side crash box 60 located outside the rear seat mounting cross member 26 is first involved in the collision, and then the collision force is absorbed by the side crash box 60 and transmitted to the rear seat mounting cross member 26 corresponding to the side crash box 60 in the lateral direction, so that the collision force is transmitted in the direction indicated by the arrow in fig. 2 and is attenuated gradually. That is, when the vehicle is involved in a side collision, the rear seat mounting cross member 26 and the side crash boxes 60 located on both sides of the rear seat mounting cross member 26 form a lateral force transmission path, thereby improving the safety of the side collision.
The outer side of the rear door inner panel 50 may further be provided with a door impact beam 70, the side impact crash box 60 corresponds to the middle section of the door impact beam 70 in the lateral direction of the vehicle, the door impact beam 70 is obliquely disposed on the outer side of the rear door inner panel 50, and the front end of the door impact beam 70 may be higher than the rear end of the door impact beam 70.
The door impact beam 70, the side impact crash boxes 60, and the rear seat mounting cross member 26 cooperate to form a transverse force transfer channel. The side impact crash box 60 is supported between the middle section of the door impact beam 70 and the rear seat mounting cross member 26, thereby effectively increasing the rigidity of the rear door in the vehicle lateral direction.
In the present disclosure, the rear seat mounting cross member 26 may be located above the middle floor panel 33, or may be located below the middle floor panel 33.
In the case where the rear seat mounting cross member 26 is located above the middle floor panel 33, the rear seat mounting points may be provided on the rear seat mounting cross member 26. In the case where the rear seat mounting cross member 26 is located below the middle floor panel 33, the rear seat mounting points may be provided on the middle floor panel 33, with the rear seat mounting cross member 26 serving to reinforce the region of the middle floor panel 33 where the rear seat mounting points are provided.
In the present disclosure, the rear seat mounting cross member 26 may have any suitable configuration. In one embodiment, as shown in fig. 6, the rear seat mounting cross member 26 is formed in an upwardly open channel-like structure, and includes two oppositely disposed cross member side walls 262 and a cross member bottom wall 261 connecting the two cross member side walls 262, an upper edge of the cross member side wall 262 is formed with a cross member side wall burring 26A extending in the left-right direction, the cross member side wall burring 26A overlaps with a lower surface of the middle floor panel 33, and the rear seat mounting cross member 26 and the middle floor panel 33 form a cavity having a rectangular cross section.
In the present disclosure, the vehicle body structure further includes a rear side member 14, the rear side member 14 is located below the middle floor panel 33, and both ends of the rear seat mounting cross member 26 may be connected to the rear side members 14 on the left and right sides, respectively. In this way, when a side collision occurs in the vehicle, the collision force can be directly transmitted from the rear side member 14 on one side to the rear side member 14 on the other side by the rear seat mounting cross member 26, so that the middle floor panel 33 is substantially not involved or is less involved in the transmission and absorption of the collision force, and thus the lateral deformation of the middle floor panel 33 and the rear side member 14 can be significantly reduced, and the injury of the occupant and the damage of the battery module can be prevented.
In one embodiment, the rear side member 14 has a first rear side member flange 14A connected to the center floor panel 33 and a second rear side member flange 14B connected to the rocker inner panel rear connecting plate 16, both ends of the rear seat mounting cross member 26 may be formed with cross member end flanges 26B extending in the front-rear direction, and the first rear side member flange 14A, the cross member end flanges 26B and the center floor panel 33 are three-layer stitch welded together.
In order to facilitate the formation of a lateral force transmission path in the event of a side collision in the case where the rear seat mounting cross member 26 is located below the middle floor panel 33, in one embodiment, an upwardly projecting boss 33A is formed on the middle floor panel 33, and the boss 33A may be connected to the front middle floor connecting plate 32, as shown in fig. 7, the rear seat mounting cross member 26 includes a main body portion 261 connected to a ceiling 33A1 of the boss 33A, and two connecting portions 262 connected to a left side wall 33A2 and a right side wall 33A3 of the boss 33A, respectively, and the vehicle body structure further includes two side collision support seats 27, the two side collision support seats 27 being located above the middle floor panel 33 and connected to the two connecting portions 262, respectively, the two side collision support seats 27 and the rear seat mounting cross member 26 being located on the same straight line. Here, the two side impact support blocks 27 and the rear seat mounting cross member 26 are connected as a force transmitting cross member, and the side impact crash box 60 is brought into contact with the side impact support blocks 27 when a side impact occurs to the vehicle.
Specifically, as shown in fig. 4 and 8, the side impact support 27 may be formed substantially in a box-like structure having a right-angled triangle section, with a sloped end of the box-like structure being open, and with a support flange 27A formed at an edge of the sloped end, the support flange 27A being three-layer stitch welded with a corresponding side wall of the boss 33A and the first mounting beam flange 26A. One straight end of the right triangle box-like structure is substantially horizontal and the other straight end is opposite the side impact crash box 60.
According to another aspect of the present disclosure, a vehicle is provided having the vehicle body structure as above.
While the present disclosure has been described in detail with reference to the drawings, the present disclosure is not limited to the details of the embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical scope of the present disclosure, and the technical solution of the present disclosure is protected by the present disclosure.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, various possible combinations will not be separately described in this disclosure.
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 spirit of the present disclosure.
Claims (10)
1. A vehicle body structure includes a front floor panel, a middle floor panel (33), a front middle floor connecting plate (32), characterized by further comprising a rear seat mounting cross member (26), the middle floor panel (33) being higher than the front floor panel, the front middle floor connecting plate (32) including a standing surface portion (321), an upper connecting portion (322), and a lower connecting portion (323), the upper connecting portion (322) extending rearward from an upper end of the standing surface portion (321) to be connected to the middle floor panel (33), the lower connecting portion (323) extending forward from a lower end of the standing surface portion (321) to be connected to the front floor panel, the rear seat mounting cross member (26) being connected to the middle floor panel (33) with a space (a) therebetween.
2. The vehicle body structure according to claim 1, characterized in that the spacing (a) is less than 150 mm.
3. The vehicle body structure according to claim 1, wherein the rear seat mounting cross member (26) corresponds to a side crash box (60) on a rear door in a lateral direction of the vehicle.
4. The vehicle body structure according to claim 1, characterized in that the rear seat mounting cross member (26) is located below the middle floor panel (33), and the vehicle body structure further comprises a rear side member (14), and both ends of the rear seat mounting cross member (26) are connected to the rear side member (14).
5. The vehicle body structure according to claim 4, wherein the rear seat mounting cross member (26) is formed in an upwardly open channel-like structure and includes two oppositely disposed cross member side walls (262) and a cross member bottom wall (261) connecting the two cross member side walls (262), an upper edge of the cross member side wall (262) is formed with a cross member side flange (26A) extending in the left-right direction, and the cross member side flange (26A) overlaps with the middle floor panel (33).
6. The vehicle body structure according to claim 5, wherein the rear side member (14) has a first rear side member flange (14A) connected to the center floor panel (33), both ends of the rear seat mounting cross member (26) are formed with cross member end flanges (26B) extending in the front-rear direction, and the first rear side member flange (14A), the cross member end flanges (26B) and the center floor panel (33) are connected together.
7. The vehicle body structure according to claim 5, wherein the middle floor panel (33) is formed with a boss (33A) protruding upward, and the rear seat mounting cross member (26) is divided into a main body portion (261) and two connecting portions (262) in the longitudinal direction thereof, wherein the main body portion (261) is connected to a ceiling (33A1) of the boss (33A), the two connecting portions (262) are connected to a left side wall (33A2) and a right side wall (33A3) of the boss (33A), respectively, the vehicle body structure further comprises two side impact support seats (27), the two side impact support seats (27) are located above the middle floor panel (33) and are connected to the two connecting portions (262), respectively, the two side impact support seats (27) are located on the same straight line with the rear seat mounting cross member (26), and the side impact support seats (27) are located with a side impact box (60) provided on the rear door in the lateral direction of the vehicle And (7) corresponding.
8. The vehicle body structure according to claim 7, wherein the side impact support base (27) is formed substantially in a box-like structure having a right-angled triangle section, the inclined end of the side impact support base (27) is open and a support base flange (27A) is formed at an edge thereof, and the support base flange (27A), the middle floor panel (33) and the beam side flange (26A) are joined together.
9. A vehicle characterized by comprising a vehicle body structure according to any one of claims 1-8.
10. The vehicle of claim 9, characterized in that a battery module (40) is disposed below the middle floor panel (33), and the rear seat mounting cross member (26) is located between the battery module (40) and the middle floor panel (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710525687.4A CN109204540B (en) | 2017-06-30 | 2017-06-30 | Vehicle body structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710525687.4A CN109204540B (en) | 2017-06-30 | 2017-06-30 | Vehicle body structure and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109204540A CN109204540A (en) | 2019-01-15 |
| CN109204540B true CN109204540B (en) | 2020-10-20 |
Family
ID=64961127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710525687.4A Active CN109204540B (en) | 2017-06-30 | 2017-06-30 | Vehicle body structure and vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN109204540B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112572608B (en) * | 2019-09-30 | 2022-04-15 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
| CN113968283B (en) * | 2020-07-24 | 2023-06-13 | 比亚迪股份有限公司 | Vehicle rear frame structure and vehicle |
| CN113002375A (en) * | 2020-11-16 | 2021-06-22 | 阿尔特汽车技术股份有限公司 | Electric automobile seat crossbeam structure |
| CN113581299A (en) * | 2021-08-03 | 2021-11-02 | 奇瑞汽车股份有限公司 | Automobile seat anti-diving structure |
| CN113879091A (en) * | 2021-09-30 | 2022-01-04 | 浙江吉利控股集团有限公司 | Electric vehicle |
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| JP2014108707A (en) * | 2012-11-30 | 2014-06-12 | Daihatsu Motor Co Ltd | Rear seat structure of vehicle |
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| JPH0781627A (en) * | 1993-09-20 | 1995-03-28 | Nissan Motor Co Ltd | Car body structure |
| DE19744664A1 (en) * | 1996-10-14 | 1998-06-04 | Volkswagen Ag | Estate or multi-purpose vehicle chassis frame of cross and longitudinal members |
| CN101434264A (en) * | 2007-11-15 | 2009-05-20 | 比亚迪股份有限公司 | Floor assembly of vehicle |
| JP2014108707A (en) * | 2012-11-30 | 2014-06-12 | Daihatsu Motor Co Ltd | Rear seat structure of vehicle |
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| Publication number | Publication date |
|---|---|
| CN109204540A (en) | 2019-01-15 |
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