CN218616868U - Lower vehicle body structure and vehicle - Google Patents
Lower vehicle body structure and vehicle Download PDFInfo
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- CN218616868U CN218616868U CN202222997024.1U CN202222997024U CN218616868U CN 218616868 U CN218616868 U CN 218616868U CN 202222997024 U CN202222997024 U CN 202222997024U CN 218616868 U CN218616868 U CN 218616868U
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Abstract
The utility model discloses a lower vehicle body structure and vehicle that has it, lower vehicle body structure includes: the device comprises a longitudinal beam and a transverse beam, wherein the longitudinal beam comprises a body part and a first connecting part, one end of the first connecting part is connected with the body part, and the other end of the first connecting part is provided with a first opening; a part of the cross beam penetrates through the first opening to extend into the first connecting part and is fixedly connected with the peripheral wall of the first connecting part so as to enable the cross beam to be fixedly connected with the longitudinal beam, wherein a second opening is formed in the peripheral wall of the first connecting part and penetrates through the peripheral edge of the first opening; the beam comprises a main body part and a second connecting part, and the second connecting part is connected with the main body part; the main body part penetrates through the first opening and extends into the first connecting part, and the second connecting part is supported on the periphery of the second opening. Through using above-mentioned technical scheme, can improve the structural strength that crossbeam and longeron are connected, and be convenient for assemble.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to lower automobile body structure and vehicle that has this lower automobile body structure.
Background
In the related technology, the connecting part of the transverse beam and the cast longitudinal beam is generally in a straight lapping way, the lapping surface is narrow, and the connecting positions through SPR (self-piercing riveting) or FDS (flow drilling) are few; the problems of insufficient connecting surface and single connecting structure exist, so that the stability of the vehicle body structure is poor; particularly for the vehicle type with a heavy vehicle body and high requirement on the rigidity of the vehicle body, the connection mode in the prior art is not enough to provide stable support for the vehicle body.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the utility model is to provide a lower vehicle body structure can improve the structural strength that crossbeam and longeron are connected, and the assembly of being convenient for.
Another object of the present invention is to provide a vehicle, including the lower body structure.
According to the utility model discloses lower fuselage structure, include: the device comprises a longitudinal beam and a transverse beam, wherein the longitudinal beam comprises a body part and a first connecting part, one end of the first connecting part is connected with the body part, and the other end of the first connecting part is provided with a first opening; a part of the cross beam penetrates through the first opening to extend into the first connecting part and is fixedly connected with the peripheral wall of the first connecting part so as to enable the cross beam to be fixedly connected with the longitudinal beam, wherein a second opening is formed in the peripheral wall of the first connecting part and penetrates through the peripheral edge of the first opening; the beam comprises a main body part and a second connecting part, and the second connecting part is connected with the main body part; the main body portion penetrates through the first opening and extends into the first connecting portion, and the second connecting portion is supported on the periphery of the second opening.
According to the utility model discloses lower fuselage structure through set up the first connecting portion that are used for connecting the crossbeam on the longeron, and set up on the crossbeam be suitable for with first connecting portion complex main part and second connecting portion, can improve the structural strength that crossbeam and longeron are connected, and the assembly of being convenient for.
In addition, according to the utility model discloses above-mentioned embodiment's lower vehicle body structure can also have following additional technical characterstic:
in some examples of the present invention, a plurality of flanges extend from a periphery of the second opening, and the second connecting portion is connected to the plurality of flanges in a stacked manner.
In some examples of the present invention, a first flange and a second flange are disposed on opposite sides of the second opening; the second connecting portion comprises a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate extend out of the peripheral edge of the main body portion, the first connecting plate is connected with the first flanging in a stacked mode, and the second connecting plate is connected with the second flanging in a stacked mode.
In some examples of the present invention, a third flange is disposed on a periphery of the second opening, and the third flange is close to the body portion; the second connecting part comprises a third connecting plate extending out of the peripheral edge of the main body part, and the third connecting plate is connected with the third flanging in a stacking manner; the third flanging is fixedly connected with the third connecting plate through a fixing piece.
In some examples of the present invention, the first flange and the second flange are connected to the third flange.
In some examples of the present invention, a side surface of the first flange, the second flange, and the third flange is flush.
In some examples of the invention, the first connection portion comprises a first side wall, a second side wall, and a first bottom wall connected between the first side wall and the second side wall; the main body part comprises a third side wall, a fourth side wall and a second bottom wall, and the second bottom wall is connected between the third side wall and the fourth side wall; the third side wall and the first side wall are stacked and fixedly connected, the fourth side wall and the second side wall are stacked and fixedly connected, and the second bottom wall and the first bottom wall are stacked and fixedly connected.
In some examples of the present invention, the connector further comprises at least one reinforcing plate, the reinforcing plate is connected between the body portion and the first connecting portion, and the reinforcing plate is connected to the body portion and the first connecting portion, respectively.
In some examples of the present invention, the peripheral wall of the first connecting portion and the cross member are fixedly connected by a fixing member.
In some examples of the invention, the beam is configured as an extruded aluminum process integral structure.
In some examples of the present invention, the stringer is configured as a cast aluminum structure.
According to the utility model discloses vehicle, including aforementioned lower vehicle body structure.
According to the utility model discloses vehicle through using aforementioned lower body structure on the vehicle, can improve the structural strength of lower body structure, does benefit to the travelling comfort that improves the vehicle.
Drawings
Fig. 1 is a schematic view of a lower body structure according to some embodiments of the present invention.
Fig. 2 is an exploded view of a lower body structure in accordance with some embodiments of the present invention.
Fig. 3 is a cross-sectional view of a lower body structure in some embodiments of the invention.
Reference numerals:
100. a lower body structure; 1. a longitudinal beam; 10. a body portion; 11. a first connection portion; 111. a first side wall; 112. a second side wall; 113. a first bottom wall; 101. a first opening; 102. a second opening; 12. a first flanging; 13. second flanging; 14. third flanging; 2. a cross beam; 20. a cavity; 21. a main body part; 213. a third side wall; 214. a fourth side wall; 212. a second bottom wall; 22. a second connecting portion; 221. a first connecting plate; 222. a second connecting plate; 223. a third connecting plate; 3. a reinforcing plate; 4. and a fixing member.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.
With reference to fig. 1 to 3, a lower vehicle body structure 100 according to an embodiment of the present invention includes: longeron 1 and crossbeam 2, including body portion 10 and first connecting portion 11 on the longeron 1, first connecting portion 11 stretches out in the side surface of body portion 10 for a long time, one end links to each other with body portion 10, the other end has first opening 101, partly can pass first opening 101 of crossbeam 2 and stretch into in first connecting portion 11 to with the perisporium fixed connection of first connecting portion 11, so that crossbeam 2 and longeron 1 fixed connection, area of contact when can increase crossbeam 2 and longeron 1 and be connected, improve structural strength. That is to say, through stretching into crossbeam 2 in first connecting portion 11, can form bilayer structure at longeron 1 and crossbeam 2's the position of being connected, during the assembly, crossbeam 2 is convenient for fix a position by first connecting portion 11, and the perisporium of first connecting portion 11 can support for crossbeam 2, does benefit to improvement assembly stability and joint strength.
According to the utility model discloses lower fuselage structure 100 is used for connecting the first connecting portion 11 of crossbeam 2 through setting up on longeron 1 for crossbeam 2 can stretch into first connecting portion 11 in and fixed connection, can improve the structural strength of connection, and the assembly of being convenient for.
During the assembly, can pass first opening 101 with crossbeam 2 and stretch into first connecting portion 11, at this moment, the perisporium of first connecting portion 11 can play the supporting role to crossbeam 2, again with crossbeam 2 and first connecting portion 11's perisporium fixed connection, improve the stability of connecting. Optionally, the first connecting portion 11 may have a cavity, the cross beam 2 may pass through the first opening 101 to be inserted into the cavity, and the peripheral wall of the cross beam 2 is fixedly connected with the peripheral wall of the first connecting portion 11, so that the contact area between the cross beam 2 and the first connecting portion 11 may be increased, the stability of the connection between the cross beam 2 and the longitudinal beam 1 is improved, and the structural strength is improved.
More specifically, the lower body structure 100 may include two longitudinal beams 1 and a plurality of lateral beams 2, and one or more lateral beams 2 may be connected between the longitudinal beams 1 to improve stability of the lower body structure 100.
With reference to fig. 2, in some embodiments of the present invention, the peripheral wall of the first connecting portion 11 is provided with a second opening 102, and the second opening 102 penetrates through the peripheral edge of the first opening 101, so that the first connecting portion 11 is an open structure, which is beneficial to simplifying the structure and facilitating the assembly of the beam 2. Specifically, the cross member 2 includes a main body portion 21 and a second connection portion 22, the second connection portion 22 being connected to the main body portion 21; the main body 21 passes through the first opening 101 and extends into the first connecting portion 11, and the second connecting portion 22 is supported on the periphery of the second opening 102, so that the main body 21 can be fixedly connected with the periphery of the first connecting portion 11, and the second connecting portion 22 can be supported on the first connecting portion 11, which is beneficial to improving the connection stability.
Further, combine fig. 2 and fig. 3, in some embodiments of the present invention, a plurality of flanges are extended from the periphery of the second opening 102, which can improve the structural strength of the first connecting portion 11, and the second connecting portion 22 can be connected to a plurality of flanges in a stacked manner, which can form a double-layer lap joint at the second opening 102, so as to improve the contact area between the first connecting portion 11 and the second connecting portion 22, and improve the structural strength of the beam 2 connected to the longitudinal beam 1. Optionally, the plurality of flanges may be flanges extending inward along the circumference of the second opening 102, or the plurality of flanges may be flanges extending outward along the circumference of the second opening 102, which is not limited to this embodiment.
With reference to fig. 2, in some embodiments of the present invention, the opposite sides of the second opening 102 are provided with a first flange 12 and a second flange 13, the second connecting portion 22 includes a first connecting plate 221 and a second connecting plate 222 extending from the periphery of the main body portion 21, the first connecting plate 221 is connected to the first flange 12 in a stacked manner, and the second connecting plate 222 is connected to the second flange 13 in a stacked manner. In this way, double overlapping may be formed at both opposite sides of the first connection portion 11 and the second connection portion 22, which is advantageous to improve balance and structural stability. Alternatively, the first flange 12 and the first connecting plate 221, the second flange 13 and the second connecting plate 222 may be in a lap joint form or may be fixedly connected.
In some embodiments of the present invention, the peripheral edge of the second opening 102 is provided with a third flange 14, the third flange 14 is close to the main body 10, the second connecting portion 22 includes a third connecting plate 223 extending out of the peripheral edge of the main body 21, the third connecting plate 223 is connected to the third flange 14 in a stacked manner, the area of the cross beam 2 connected to the first connecting portion 11 in a stacked manner can be further increased, and the third flange 14 can be fixedly connected to the third connecting plate 223 through a fixing member 4, which is favorable for improving the structural strength of the cross beam 2 close to one side of the main body 10 of the longitudinal beam 1.
Specifically, the first flange 12, the second flange 13 and the third flange 14 are respectively located in different directions of the second opening 102, and when the first connecting plate 221, the second connecting plate 222 and the third connecting plate 223 are respectively connected with the first flange 12, the second flange 13 and the third flange 14 in a stacked manner, a double-layer connecting structure can be formed in multiple directions of the second opening 102, so that the supporting effect of the second opening 102 is improved, and the structural stability is improved.
In some embodiments of the present invention, the first flange 12 and the second flange 13 are connected to the third flange 14, which can increase the area of the flanges, and the flanges are connected to each other to disperse the force. Further, the first flange 12, the second flange 13 and the third flange 14 are connected to form a "U" shaped structure, so that the plurality of flanges can surround the periphery of the second opening 102, thereby improving the stability of the fitting. It is also possible to provide a reinforcing layer on the plurality of flaps to further improve the structural strength.
In some embodiments of the present invention, a side surface of the first flange 12, the second flange 13 and the third flange 14 is level, which is beneficial to improving the structural stability and the spatial arrangement.
With reference to fig. 1 and 3, according to the lower vehicle body structure 100 of the embodiment of the present invention, the longitudinal beam 1 or the body portion 10 extends in the front-rear direction (for example, the front-rear direction of the vehicle body), the cross beam 2 extends in the left-right direction, the first connecting portion 11 is connected to the body portion 10 and extends in the left-right direction, and therefore, the cross beam 2 extends in the left-right direction into the first connecting portion 11, and the first connecting portion 11 can define the cross beam 2 in the front-rear direction and the left-right direction, thereby improving the structural stability in the front-rear direction and the left-right direction. Furthermore, the second opening 102 is disposed at the upper portion of the first connecting portion 11, and the plurality of flanges are disposed at the periphery of the second opening 102, when the flanges are fixedly connected to the connecting plate, the fixing member 4 can fix the flanges and the connecting plate in the vertical direction, so that the stability of the connection between the cross beam 2 and the longitudinal beam 1 in the vertical direction can be improved. When the lower body structure 100 is applied to a vehicle, the load bearing in the up-down direction of the vehicle when the vehicle runs on a bumpy road surface can be enhanced, and the structural strength is improved, so that the rigidity and the comfort of the whole vehicle are improved. Further, the third turned edge 14 and the third connecting plate 223 are fixed by the fixing member 4, so that the structural strength of the beam 2 near the body portion 10 can be improved.
With reference to fig. 3, in some embodiments of the present invention, the first connecting portion 11 includes a first sidewall 111, a second sidewall 112 and a first bottom wall 113, the first bottom wall 113 is connected between the first sidewall 111 and the second sidewall 112; the main body 21 includes a third sidewall 213, a fourth sidewall 214, and a second bottom wall 212, the second bottom wall 212 being connected between the third sidewall 213 and the fourth sidewall 214; the third sidewall 213 is stacked and fixedly connected with the first sidewall 111, the fourth sidewall 214 is stacked and fixedly connected with the second sidewall 112, and the second bottom wall 212 is stacked and fixedly connected with the first bottom wall 113. That is to say, the lateral wall and the diapire of first connecting portion 11 and main part 21 all are range upon range of connection, and three face all can form bilayer structure, can improve the structural strength who connects, and two lateral walls and diapire all connect through mounting 4, do benefit to and improve structural stability, and easily assemble. The fixing member 4 may be a rivet, and the first and third sidewalls 111 and 213, the second and fourth sidewalls 112 and 214, and the first and second bottom walls 113 and 212 may be connected by SPR (self-piercing riveting) or FDS (flow drilling).
According to the lower vehicle body structure 100 of the embodiment of the present invention, the first side wall 111, the second side wall 112, and the bottom wall of the first connecting portion 11 are U-shaped; the second side wall 112, the fourth side wall 214 and the second bottom wall 212 of the main body portion 21 are in a U shape with one open side, so that the main body portion 21 and the first connecting portion 11 can be laminated and connected to each other to form a joint or a lap joint effect, and the cavity 20 can be formed on the main body portion 21, so that the weight can be reduced, the impact force can be absorbed, and the structural stability of connection can be improved. The second connecting portion 22 may cover the open side of the main body portion 21 to configure the cross member 2 into a hollow structure.
With reference to fig. 2 and 3, in some embodiments of the present invention, the present invention further includes at least one reinforcing plate 3, the reinforcing plate 3 is connected between the body portion 10 and the first connecting portion 11, and the reinforcing plate 3 is respectively connected to the body portion 10 and the first connecting portion 11, so as to improve the connection stability between the first connecting portion 11 and the body portion 10, and the reinforcing plate 3 can play a role of supporting the first connecting portion 11, so as to improve the connection stability between the first connecting portion 11 and the cross beam 2.
Specifically, referring to fig. 2 and 3, the reinforcing plate 3 may have a triangular plate shape, that is, one side of the reinforcing plate 3 is connected to the first connecting portion 11, the adjacent side is connected to the main body 10, and the oblique side is supported between the main body 10 and the first connecting portion 11. Referring to fig. 3, the reinforcing plates 3 may be divided into a plurality of triangular regions on the main body 10, and a mesh structure may be formed on the main body 10 to improve the structural strength.
Alternatively, the number and the arrangement position of the reinforcing plates 3 may be arranged according to actual conditions, such as the structure or the stress condition of the body portion 10, to improve the strength of the lower body structure 100.
In some embodiments of the present invention, the peripheral wall of the first connecting portion 11 is fixedly connected to the cross beam 2 by a fixing member 4 to improve the connection reliability, wherein the fixing member 4 may be a screw or a rivet.
In some embodiments of the present invention, the beam 2 is constructed as an aluminum extrusion process integrated structure, which is beneficial to reduce the cost and realize the light weight. Particularly, the weight of the cross beam 2 can be effectively reduced through the application of extruded aluminum profiles, and the process is simple.
In some embodiments of the present invention, the longitudinal beam 1 is constructed as a cast aluminum structure.
Alternatively, since the cross beam 2 and the longitudinal beam 1 are made of aluminum, welding or spot welding may be used for the fixed connection.
With reference to fig. 1 to 3, according to the utility model discloses a vehicle, including aforementioned lower body structure 100, through using aforementioned lower body structure 100 on the vehicle, can improve the structural strength of lower body structure 100, do benefit to the travelling comfort that improves the vehicle.
A lower body structure 100 according to an embodiment of the present invention will be described with reference to the drawings.
With reference to fig. 1 to 3, the lower vehicle body structure 100 according to the embodiment of the present invention includes a longitudinal beam 1 and a cross beam 2, wherein the longitudinal beam 1 includes a body portion 10 and a first connecting portion 11 connected to the body portion 10, the first connecting portion 11 includes a first side wall 111, a second side wall 112 and a first bottom wall 113, and the upper edges of the first side wall 111 and the second side wall 112 are connected to a first flange 12 and a second flange 13 extending outward, and thus, the cross section of the first connecting portion 11 may have a zigzag structure. The third flange 14 can connect the periphery of the second opening 102 and the body portion 10, and is beneficial to enlarging the connection surface of the cross beam 2 and the longitudinal beam 1.
The cross beam 2 comprises a main body part 21 and a second connecting part 22, the main body part 21 comprises a third side wall 213, a fourth side wall 214 and a second bottom wall 212, the second bottom wall 212 is connected between the third side wall 213 and the fourth side wall 214, the second connecting part 22 covers the top ends of the third side wall 213 and the fourth side wall 214 to form a hollow beam, wherein the second connecting part 22 is plate-shaped, the middle part of the second connecting part 22 is suitable for covering the main body part 21, the periphery of the second connecting part extends out of the main body part 21 to form a first connecting plate 221, a second connecting plate 222 and a third connecting plate 223, and the first connecting plate 221, the second connecting plate 222 and the third connecting plate 223 are respectively opposite to and overlapped with the first flanging 12, the second flanging 13 and the third flanging 14 in the vertical direction to form an up-down double-layer overlapping structure. Further, the side of the first connecting portion 11 is provided with a triangular reinforcing surface, so that the stability of the structure is improved, and the gravity supporting effect of the connecting structure is enhanced.
According to the utility model discloses lower fuselage structure 100, in the junction of crossbeam 2 with longeron 1, through designing double-deck overlap joint structure, increase crossbeam 2 and longeron 1 upper end faying surface, make longeron 1 when providing the holding power to crossbeam 2, increase the area of contact of the two contact side surface and upper surface, thereby increase tie point quantity, it is few to improve the tie point that the individual layer overlap joint exists among the correlation technique, the connecting force is limited, the problem that the upper and lower direction bearing capacity is weak, do benefit to the connection structure of nimble design crossbeam and longeron.
Further, through increasing the area of contact that crossbeam 2 is connected with longeron 1, do benefit to the quantity that increases fixed connection point, do benefit to and increase 3 areas of reinforcing plate and 3 quantity of reinforcing plate to improve joint strength. This application can design the overlap joint structure according to crossbeam 2 and longeron 1's actual conditions and structure are nimble, and bilayer's overlap joint about final formation solves the tie point and arranges lessly, and joint strength is not enough problem improves the joint strength between crossbeam 2 and the longeron 1 and the rigidity of automobile body to promote the quality and the travelling comfort of vehicle.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A lower body structure, characterized by comprising:
the longitudinal beam comprises a body part and a first connecting part, one end of the first connecting part is connected with the body part, and the other end of the first connecting part is provided with a first opening;
a part of the cross beam penetrates through the first opening to extend into the first connecting part and is fixedly connected with the peripheral wall of the first connecting part so as to ensure that the cross beam is fixedly connected with the longitudinal beam,
a second opening is arranged on the peripheral wall of the first connecting part and penetrates through the peripheral edge of the first opening; the beam comprises a main body part and a second connecting part, and the second connecting part is connected with the main body part; the main body part penetrates through the first opening and extends into the first connecting part, and the second connecting part is supported on the periphery of the second opening.
2. The lower body structure according to claim 1, wherein a plurality of flanges extend from a peripheral edge of the second opening, and the second connecting portion is connected to the plurality of flanges in a stacked manner.
3. The lower body structure according to claim 2, wherein a first flange and a second flange are provided on opposite sides of the second opening; the second connecting portion comprises a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate extend out of the peripheral edge of the main body portion, the first connecting plate is connected with the first flanging in a stacked mode, and the second connecting plate is connected with the second flanging in a stacked mode.
4. The lower body structure according to claim 3, wherein a third flange is provided at a peripheral edge of the second opening, the third flange being close to the body portion; the second connecting part comprises a third connecting plate extending out of the peripheral edge of the main body part, and the third connecting plate is connected with the third flanging in a stacking manner; the third flanging is fixedly connected with the third connecting plate through a fixing piece.
5. The lower body structure according to claim 4, wherein the first flange and the second flange are connected to the third flange, and/or wherein the third flange is connected to the second flange
And one side surfaces of the first flanging, the second flanging and the third flanging are parallel and level.
6. The lower body structure according to claim 1, wherein the first connecting portion includes a first side wall, a second side wall, and a first bottom wall, the first bottom wall being connected between the first side wall and the second side wall;
the main body part comprises a third side wall, a fourth side wall and a second bottom wall, and the second bottom wall is connected between the third side wall and the fourth side wall;
the third side wall and the first side wall are stacked and fixedly connected, the fourth side wall and the second side wall are stacked and fixedly connected, and the second bottom wall and the first bottom wall are stacked and fixedly connected.
7. The lower body structure according to any one of claims 1 to 6, further comprising at least one reinforcing plate connected between the body portion and the first connecting portion, and connected to the body portion and the first connecting portion, respectively.
8. The lower body structure according to claim 1, wherein a peripheral wall of the first connecting portion is fixedly connected to the cross member by a fixing member.
9. The lower body structure of claim 1, wherein the cross member is configured as an extruded aluminum process integral structure, and/or
The stringers are constructed as cast aluminum structures.
10. A vehicle characterized by comprising the lower body structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222997024.1U CN218616868U (en) | 2022-11-10 | 2022-11-10 | Lower vehicle body structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222997024.1U CN218616868U (en) | 2022-11-10 | 2022-11-10 | Lower vehicle body structure and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218616868U true CN218616868U (en) | 2023-03-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222997024.1U Active CN218616868U (en) | 2022-11-10 | 2022-11-10 | Lower vehicle body structure and vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN218616868U (en) |
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2022
- 2022-11-10 CN CN202222997024.1U patent/CN218616868U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230625 Address after: 071000 No. 2266 Chaoyang South Street, Hebei, Baoding Patentee after: GREAT WALL MOTOR Co.,Ltd. Address before: No. 2266 Chaoyang South Street, Lianchi District, Baoding City, Hebei Province Patentee before: Self-confidence Zhixing Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |