Multi-suspension universal vehicle body structure, lower vehicle body and vehicle

Abstract

The utility model discloses a multi-suspension universal vehicle body structure which comprises a frame body, a first suspension mounting assembly and a second suspension mounting assembly, the frame body is provided with a plurality of mounting parts, at least one mounting part is suitable for being connected with a suspension, and at least two mounting parts are suitable for mounting the first suspension mounting assembly and the second suspension mounting assembly; the first suspension mounting assembly is provided with a plurality of different mounting positions, and at least one mounting position is suitable for being connected with a suspension; the second suspension mounting assembly comprises a first mounting plate and a second mounting plate which are vertically connected in an L shape and are different in length, and the first mounting plate and the second mounting plate are provided with a first suspension spring mounting structure and a second suspension spring mounting structure correspondingly so as to be suitable for being connected with suspensions of different types. The utility model further discloses a lower vehicle body and a vehicle with the same. According to the suspension frame, the design changes of different suspensions can be adapted on the same frame body by changing the connecting point positions, and the purposes of being compatible with various different suspension types and meeting different vehicle performance requirements are achieved.

Description

Technical Field

[0001] The present application relates to the technical field of vehicle structures, and in particular to a multi-suspension universal vehicle body structure, a lower vehicle body and a vehicle. Background Art

[0002] As the primary structure of the vehicle body, the lower body structure not only supports various vehicle components but must also fully absorb collision energy and effectively disperse and transmit collision forces to protect the passenger compartment, fuel tank, and other critical components. Traditional vehicle lower body structure development follows a single-platform, single-model model. This means that there is little commonality between parts across different models. Furthermore, due to the varying component structures across different models, the corresponding lower body components are complex and diverse, resulting in high manufacturing and production costs as well as significant warehousing and transportation costs. Consequently, an increasing number of automakers are turning to platform-based design, which allows for the majority of components in new models to be made universal. This not only significantly improves production efficiency but also effectively reduces component development and production costs, modification costs, and management costs.

[0003] However, in general, a vehicle's front and rear suspensions are designed differently based on performance requirements such as the powertrain's configuration and operational stability. Consequently, existing vehicles often utilize a combination of different suspension types. Due to the different front and rear suspension types, and the inability of existing vehicle body structures to accommodate two or more suspension systems, the corresponding underbody structures supporting the suspensions require independent design, mold development, and welding tooling, hindering the production of universal vehicle platforms. Utility Model Content

[0004] In view of the above problems, the embodiments of the present application provide a multi-suspension universal body structure, lower body and vehicle, which can be compatible with a variety of different suspension types, meet different vehicle performance requirements, and effectively improve vehicle manufacturing efficiency.

[0005] According to one aspect of an embodiment of the present application, a multi-suspension universal vehicle body structure is provided, including: a frame body, the frame body is provided with a plurality of mounting parts, at least one mounting part is suitable for connecting the shock absorber of the suspension; a first suspension mounting assembly, the first suspension mounting assembly has a plurality of mounting positions at different positions, at least one mounting position is suitable for connecting the swing arm of the suspension; and a second suspension mounting assembly, the second suspension mounting assembly includes a first mounting plate and a second mounting plate vertically connected in an L-shape, the length of the first mounting plate is greater than that of the second mounting plate, and the relatively outer plate surfaces of the first mounting plate and the second mounting plate are respectively provided with a first suspension spring mounting structure and a second suspension spring mounting structure, the first suspension spring mounting structure and the second suspension spring mounting structure are suitable for connecting different types of suspension springs; wherein, at least two mounting parts are suitable for installing the first suspension mounting assembly and the second suspension mounting assembly.

[0006] In an exemplary embodiment of the present application, the frame body includes: a longitudinal beam portion, the longitudinal beam portion is extended along the length direction of the vehicle and has a first end and a second end distributed in the length direction of the vehicle; and a wheel bag portion, the wheel bag portion includes a wheel house side beam and a connecting plate, the wheel house side beam is connected to the first end and the second end in a curved shape; the connecting plate is extended along the height direction of the vehicle between the wheel house side beam and the longitudinal beam portion, and the two ends of the connecting plate in the length direction of the vehicle are respectively connected to the connection position of the wheel house side beam and the longitudinal beam portion; wherein, the mounting portion includes a first suspension mounting portion, the first suspension mounting portion is arranged at the connection position of the wheel house side beam and the first end, and is suitable for mounting a first suspension mounting assembly.

[0007] In an exemplary embodiment of the present application, the mounting portion also includes a second suspension mounting portion, which is arranged on the plate surface of the connecting plate facing the wheel arch side beam and is suitable for installing a second suspension mounting assembly; wherein the second suspension mounting portion is provided with a storage groove for avoiding the first suspension spring mounting structure and the second suspension spring mounting structure.

[0008] In an exemplary embodiment of the present application, the mounting portion further includes a third suspension mounting portion, which is arranged on the plate surface of the connecting plate facing the wheel arch side beam and is suitable for connecting the shock absorber of the suspension.

[0009] In an exemplary embodiment of the present application, the third suspension mounting portion has a plurality of mounting points at different positions, and at least one mounting point is suitable for connecting to a shock absorber of the suspension.

[0010] In an exemplary embodiment of the present application, the first suspension mounting assembly is detachably connected to the mounting portion; and the second suspension mounting assembly is detachably connected to the mounting portion.

[0011] In an exemplary embodiment of the present application, the mounting part also includes a fourth suspension mounting part, a fifth suspension mounting part and a sixth suspension mounting part, the fourth suspension mounting part is arranged on the longitudinal beam part and extends to be connected to the connecting plate; the fifth suspension mounting part is arranged at the second end of the longitudinal beam part; the sixth suspension mounting part is arranged on the wheel arch side beam near the connecting plate; the vehicle body structure also includes a third suspension mounting assembly, a fourth suspension mounting assembly and a fifth suspension mounting assembly, the third suspension mounting assembly is detachably connected to the fourth suspension mounting part; the fourth suspension mounting assembly and the fifth suspension mounting assembly are installed in parallel on the fifth suspension mounting part, and are both detachably connected to the fifth suspension mounting part; wherein, the third suspension mounting assembly is suitable for connecting the connecting rod of the multi-link suspension, the fourth suspension mounting assembly is suitable for connecting the spring of the multi-link suspension, and the fifth suspension mounting assembly is suitable for connecting the control arm of the multi-link suspension; the sixth suspension mounting part is suitable for connecting the shock absorber of the multi-link suspension.

[0012] According to a second aspect of an embodiment of the present application, a lower body is provided, comprising: a lower body frame, the lower body frame comprising a first crossbeam, a second crossbeam and two of any one of the above-mentioned multi-suspension universal body structures, the two multi-suspension universal body structures being spaced apart and symmetrically arranged along the width direction of the vehicle, the first crossbeam extending along the width direction of the vehicle and respectively connected to the first ends of the two multi-suspension universal body structures, the second crossbeam extending along the width direction of the vehicle and respectively connected to the second ends of the two multi-suspension universal body structures.

[0013] In an exemplary embodiment of the present application, a middle frame is also included; there are two lower body frames, which are spaced and symmetrically arranged along the length direction of the vehicle, and the middle frame extends along the length direction of the vehicle and is connected between the two lower body frames.

[0014] According to a third aspect of an embodiment of the present application, a vehicle is provided, comprising any of the above-mentioned lower bodies.

[0015] The present application utilizes the commonalities of different suspensions to configure at least three installation areas on the frame body for suspension connection, two of which can adapt to the differences of different suspensions by installing a first suspension mounting assembly and a second suspension mounting assembly. The first suspension mounting assembly can select installation positions in different positions to achieve connection according to the changes in the swing arm size of different suspensions, and the second suspension mounting assembly can select installation plates of different lengths to achieve connection according to the spring installation heights of different suspensions; another installation area can also select installation parts in different positions to be directly connected to the frame body according to the suspension type, so as to effectively fix the suspension on the frame body; in this way, only the connection points need to be changed to adapt to the design changes of different suspensions on the same frame body, so as to achieve the purpose of being compatible with multiple different suspension types and meeting different vehicle performance requirements, and effectively improve vehicle manufacturing efficiency and reduce development, production and management costs.

[0016] The above description is only an overview of the technical solution of the embodiment of the present application. In order to more clearly understand the technical means of the embodiment of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the embodiment of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0018] Figure 1 The schematic diagram of the multi-suspension universal vehicle body structure according to the embodiment of the present application is shown. Figure 1 ;

[0019] Figure 2 A schematic structural diagram of a second suspension mounting assembly according to an embodiment of the present application is shown;

[0020] Figure 3 The schematic diagram of the multi-suspension universal vehicle body structure according to the embodiment of the present application is shown. Figure 2 ;

[0021] Figure 4 A left side view of the multi-suspension universal vehicle body structure according to an embodiment of the present application is shown;

[0022] Figure 5 A schematic structural diagram of a torsion beam suspension according to an embodiment of the present application when installed in a multi-suspension universal vehicle body structure is shown;

[0023] Figure 6 A schematic structural diagram of the integral bridge suspension according to an embodiment of the present application when installed in a multi-suspension universal vehicle body structure is shown;

[0024] Figure 7 The schematic diagram of the multi-suspension universal vehicle body structure according to the embodiment of the present application is shown. Figure 3 ;

[0025] Figure 8 A schematic structural diagram of a multi-link suspension according to an embodiment of the present application when installed in a multi-suspension universal vehicle body structure is shown;

[0026] Figure 9 A structural schematic diagram of the lower vehicle body frame described in an embodiment of the present application is shown.

[0027] Description of Figure Numbers:

[0028] 1-frame body, 11-mounting part, 111-first suspension mounting part, 112-second suspension mounting part, 1121-storage slot, 113-third suspension mounting part, 1131-mounting point, 114-fourth suspension mounting part, 115-fifth suspension mounting part, 116-sixth suspension mounting part, 12-longitudinal beam part, 121-first end, 122-second end, 13-wheel cover part, 131-wheel house side beam, 132-connecting plate,

[0029] 2-First suspension mounting assembly, 21-Mounting position,

[0030] 3-second suspension mounting assembly, 31-first mounting plate, 311-first suspension spring mounting structure, 32-second mounting plate, 321-second suspension spring mounting structure,

[0031] 4-third suspension mounting assembly, 5-fourth suspension mounting assembly, 6-fifth suspension mounting assembly, 7-first crossbeam, 8-second crossbeam,

[0032] 100-Torsion beam suspension, 200-Integral bridge suspension, 300-Multi-link suspension.

[0033] The realization of the objectives, functional features and advantages of this application will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0034] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this application will be thorough and complete and will fully convey the concepts of the example embodiments to those skilled in the art.

[0035] In addition, described feature, structure or characteristic can be combined in one or more embodiments in any suitable manner.In the following description, many specific details are provided so as to provide a full understanding of the embodiments of the present application. However, it will be appreciated by those skilled in the art that the technical scheme of the present application can be put into practice without one or more of the specific details, or other methods, components, devices, steps etc. can be adopted. In other cases, known methods, devices, implementations or operations are not shown or described in detail to avoid blurring the various aspects of the application.

[0036] The present application is further described below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the technical features involved in the various embodiments of the present application described below can be combined with each other as long as they do not conflict with each other. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be understood as limiting the present application.

[0037] like Figures 1 to 4 As shown, this embodiment provides a multi-suspension universal body structure, including a frame body 1, a first suspension mounting assembly 2 and a second suspension mounting assembly 3, the frame body 1 is provided with a plurality of mounting portions 11, wherein at least one mounting portion 11 is suitable for connecting the shock absorber of the suspension, and at least two mounting portions 11 are suitable for installing the first suspension mounting assembly 2 and the second suspension mounting assembly 3; the first suspension mounting assembly 2 has a plurality of mounting positions 21 at different positions, at least one mounting position 21 is suitable for connecting the swing arm of the suspension, so that by selecting the mounting positions 21 at different positions to connect the swing arm of the suspension, it is possible to adapt to the size changes of the swing arms of different suspensions; the second suspension mounting assembly 3 includes a first mounting plate 31 and a second mounting plate 32 vertically connected in an L-shape, one of the first mounting plate 31 and the second mounting plate 32 is connected to the frame body 1, and the other is connected to the suspension; the length of the first mounting plate 31 is greater than that of the second mounting plate 32, and the first mounting plate 31 and the second mounting plate 32 are connected to the frame body 1. The relatively outer plate surfaces of 32 are respectively provided with a first suspension spring mounting structure 311 and a second suspension spring mounting structure 321. The first suspension spring mounting structure 311 and the second suspension spring mounting structure 321 are suitable for connecting different types of suspension springs, including but not limited to different working heights and / or different outer diameters. In this way, by selecting mounting plates of different lengths to connect the frame body 1, suspension spring mounting structures with different mounting heights can be provided to adapt to the changes in spring mounting heights of different suspensions; and the shock absorber connected to the suspension can select the mounting part 11 at the corresponding position according to different suspension types and directly connect it to the frame body 1 to achieve effective fixation of the suspension on the frame body 1; in this way, it is only necessary to change the connection point to adapt to the design changes of different suspensions on the same frame body 1, so as to achieve the purpose of being compatible with multiple different suspension types and meeting different vehicle performance requirements, thereby effectively improving vehicle manufacturing efficiency and reducing development, production and management costs.

[0038] For example, if Figures 1 to 4As shown, the mounting portion 11 includes a first suspension mounting portion 111, a second suspension mounting portion 112 and a third suspension mounting portion 113, wherein the first suspension mounting portion 111 is suitable for mounting a first suspension mounting assembly 2, and the first suspension mounting assembly 2 has two mounting positions 21 distributed along the vehicle length direction S1, wherein one mounting position 21 is suitable for connecting the front end of the swing arm of the torsion beam suspension 100, and the other mounting position 21 is suitable for connecting the front end of the swing arm of the integral bridge suspension 200; the second suspension mounting portion 112 is suitable for mounting The second suspension mounting assembly 3, the first suspension spring mounting structure 311 of the second suspension mounting assembly 3 is suitable for connecting the spring of the integral bridge suspension 200, and the second suspension spring mounting structure 321 is suitable for connecting the spring of the torsion beam suspension 100; the third suspension mounting portion 113 has multiple mounting points 1131 at different positions, among which there is at least one mounting point 1131 suitable for connecting the shock absorber of the torsion beam suspension 100, and there is at least one mounting point 1131 suitable for connecting the shock absorber of the integral bridge suspension 200.

[0039] Specifically, if Figure 1 and Figure 5 As shown, when the torsion beam suspension 100 needs to be installed, the first suspension mounting assembly 2 can be fixed to the first suspension mounting portion 111 by bolts, and the first mounting plate 31 of the second suspension mounting assembly 3 can be fixed to the second suspension mounting portion 112 by bolts. Since the swing arm of the torsion beam suspension 100 is slightly shorter, the swing arm of the torsion beam suspension 100 can be installed at a slightly closer mounting position 21; at the same time, since the spring of the torsion beam suspension 100 is relatively short, the longer first mounting plate 31 is fixed to the second suspension mounting portion 112, which can lower the position height of the second suspension spring mounting structure 321 in the vehicle height direction S2, thereby meeting the connection between the second suspension spring mounting structure 321 and the torsion beam suspension 100 spring; finally, the shock absorber of the torsion beam suspension 100 is fixed to the corresponding mounting point 1131 of the third suspension mounting portion 113 to achieve effective installation of the torsion beam suspension 100.

[0040] Specifically, if Figure 3 and Figure 6As shown, when the integral bridge suspension 200 needs to be installed, the first suspension mounting assembly 2 can be fixed to the first suspension mounting portion 111 by bolts, and the second mounting plate 32 of the second suspension mounting assembly 3 can be fixed to the second suspension mounting portion 112 by bolts. Since the swing arm of the integral bridge suspension 200 is slightly longer, the swing arm of the torsion beam suspension 100 can be installed at a slightly farther mounting position 21; at the same time, since the spring of the integral bridge suspension 200 is longer, the shorter second mounting plate 32 is fixed to the second suspension mounting portion 112, which can raise the position height of the first suspension spring mounting structure 311 in the vehicle height direction S2 to meet the connection between the first suspension spring mounting structure 311 and the spring of the integral bridge suspension 200; finally, the shock absorber of the integral bridge suspension 200 is fixed to the corresponding mounting point 1131 of the third suspension mounting portion 113 to achieve effective installation of the torsion beam suspension 100. Preferably, in this embodiment, the shock absorber mounting point of the integral bridge suspension 200 is the same as the shock absorber mounting point of the torsion beam suspension 100. In this way, the center point height of the suspension hub can be made consistent, thereby ensuring the consistency of the posture of the entire vehicle. After replacing the suspension system, it can not only bring a different driving experience, but also ensure the consistency of the vehicle design parameters.

[0041] In some embodiments, as Figure 1 、 Figure 4 and Figure 5 As shown, the frame body 1 includes a longitudinal beam portion 12 and a wheel bag portion 13. The longitudinal beam portion 12 extends along the vehicle length direction S1 and has a first end 121 and a second end 122 distributed in the vehicle length direction S1; the wheel bag portion 13 includes a wheel house side beam 131 and a connecting plate 132. The wheel house side beam 131 is connected to the first end 121 and the second end 122 in a curved shape; the connecting plate 132 extends along the vehicle height direction S2 and is arranged between the wheel house side beam 131 and the longitudinal beam portion 12, and the connecting plate 132 is at The two ends in the vehicle length direction S1 are respectively connected to the connection position of the wheel house side beam 131 and the longitudinal beam portion 12; wherein, the first suspension mounting portion 111 is provided at the connection position of the wheel house side beam 131 and the first end 121. In this embodiment, one end of the first suspension mounting portion 111 extends and covers the wheel house side beam 131, and the other end extends and covers the first end 121 of the longitudinal beam portion 12. The first suspension mounting portion 111 is formed with a mounting surface with mounting holes facing downward along the vehicle height direction S2, suitable for mounting the first suspension mounting assembly 2. In this way, on the one hand, the first suspension mounting portion 111 can be used to improve the connection stability between the wheel cover portion 13 and the longitudinal beam portion 12, and on the other hand, the support strength at the connection position of the wheel house side beam 131 and the first end 121 can be used to support the installation of the first suspension mounting assembly 2, so that the longitudinal beam portion 12 and the wheel cover portion 13 can jointly share the load of the suspension connection point, thereby optimizing the direction of torque transmission.

[0042] Preferably, the frame body 1 including the longitudinal beam portion 12, the wheel cover portion 13 and the mounting portion 11 can be formed into one piece by die-casting, thereby improving the structural strength and continuity of each part of the frame body 1, while reducing the number of parts of the frame body 1, achieving lightweighting of the frame body 1, and further shortening the development cycle and reducing development costs, which is conducive to product iteration and updating.

[0043] In some embodiments, as Figure 1 、 Figure 4 and Figure 5 As shown, the second suspension mounting portion 112 is arranged on the plate surface of the connecting plate 132 facing the wheel house side beam 131. In this embodiment, the plate surface of the connecting plate 132 facing the wheel house side beam 131 is distributed with horizontal and vertical cross reinforcement ribs. The second suspension mounting portion 112 is presented as four sleeves with mounting holes integrated into the intersection of the reinforcement ribs. The second suspension mounting assembly 3 is provided with four connecting holes on the first mounting plate and the second mounting plate respectively. The second suspension mounting assembly 3 is installed and fixed to the second suspension mounting portion 112 by passing bolts through the corresponding connecting holes and sleeves; wherein, the second suspension mounting portion 112 is also A receiving groove 1121 is provided for avoiding the first suspension spring mounting structure 311 and the second suspension spring mounting structure 321. The size of the receiving groove 1121 can accommodate any suspension spring mounting structure. In this way, when the second suspension mounting assembly 3 is connected to the second suspension mounting part 112 by bolts, the first suspension spring mounting structure 311 or the second suspension spring mounting structure 321 can be placed in the receiving groove 1121, so that the second suspension mounting assembly 3 can be effectively fitted with the connecting plate 132, thereby improving the connection stability between the second suspension mounting assembly 3 and the second suspension mounting part 112.

[0044] In some embodiments, as Figure 1 、 Figure 4 and Figure 5 As shown, the third suspension mounting portion 113 is arranged on the plate surface of the connecting plate 132 facing the wheel arch side beam 131. In this embodiment, the third suspension mounting portion 113 is extended along the vehicle height direction S2 and is arranged on the connecting plate 132, which can effectively improve the bearing capacity thereat to be suitable for connecting the shock absorber of the suspension.

[0045] Further, if Figure 4 As shown, the third suspension mounting portion 113 has a plurality of mounting points 1131 at different positions, wherein at least one mounting point 1131 is suitable for connecting the suspension shock absorber; in this embodiment, the plurality of mounting points 1131 are spaced apart along the vehicle height direction S2, so that, on the one hand, it can adapt to the connection of suspension shock absorbers of various heights, and on the other hand, it can select mounting points 1131 of different heights for connection according to the vehicle posture and the height requirements of the suspension hub center point, thereby meeting the diverse needs of users for driving experience.

[0046] In some embodiments, as Figure 1 As shown, the first suspension mounting assembly 2 can be detachably connected to the first suspension mounting portion 111 via connecting bolts; and the second suspension mounting assembly 3 can be detachably connected to the second suspension mounting portion 112 via connecting bolts. In this way, the detachable connection facilitates subsequent maintenance and replacement of the first suspension mounting assembly 2 and the second suspension mounting assembly 3.

[0047] In some embodiments, as Figure 1 、 Figure 7 and Figure 8 As shown, the mounting portion 11 further includes a fourth suspension mounting portion 114, a fifth suspension mounting portion 115 and a sixth suspension mounting portion 116. The fourth suspension mounting portion 114 is arranged on the lower end surface of the longitudinal beam portion 12 and extends to be connected to the connecting plate 132; the fifth suspension mounting portion 115 is arranged on the second end 122 of the longitudinal beam portion 12; the sixth suspension mounting portion 116 is arranged on the lower end surface of the wheel arch side beam 131 near the connecting plate 132; the multi-suspension universal vehicle body structure further includes a third suspension mounting assembly 4, a fourth suspension mounting assembly 5 and a fifth suspension mounting assembly 6. The frame mounting assembly 4 is detachably connected to the fourth suspension mounting portion 114; the fourth suspension mounting assembly 5 and the fifth suspension mounting assembly 6 are installed in parallel on the fifth suspension mounting portion 115, and are both detachably connected to the fifth suspension mounting portion 115; wherein, the third suspension mounting assembly 4 is suitable for connecting the connecting rod of the multi-link suspension 300, the fourth suspension mounting assembly 5 is suitable for connecting the spring of the multi-link suspension 300, and the fifth suspension mounting assembly 6 is suitable for connecting the control arm of the multi-link suspension 300; the sixth suspension mounting portion 116 is suitable for connecting the shock absorber of the multi-link suspension 300. Through the above-mentioned arrangement, on the one hand, the fourth suspension mounting portion 114 can be used to improve the connection stability between the wheel bag portion 13 and the longitudinal beam portion 12, and the sixth suspension mounting portion 116 can be used to improve the connection stability between the wheel cover side beam 131 and the connecting plate 132; on the other hand, the wheel bag portion 13 and the longitudinal beam portion 12 can be used to share the load of the third suspension mounting assembly 4, and the wheel cover side beam 131 and the connecting plate 132 can be used to share the load of the fifth suspension mounting assembly 6, thereby optimizing the direction of torque transmission; at the same time, through the above-mentioned arrangement, the multi-suspension universal body structure can also be adapted and compatible with the multi-link suspension 300. When the multi-link suspension 300 needs to be installed, only the first suspension mounting assembly 2 and the second suspension mounting assembly 3 need to be removed; similarly, when the torsion beam suspension 100 and the integral bridge suspension 200 need to be installed, only the third suspension mounting assembly 4, the fourth suspension mounting assembly 5 and the fifth suspension mounting assembly 6 need to be removed.

[0048] It can be understood that when the above-mentioned multi-suspension universal body structure is adapted to install the torsion beam suspension 100 and the integral bridge suspension 200, the fourth suspension mounting portion 114, the fifth suspension mounting portion 115 and the sixth suspension mounting portion 116 can improve the structural stability and load-bearing capacity of the frame body 1, and interact with the frame body 1 to solve the stress concentration and uneven force defects that may exist when different types of suspensions are installed on the same frame body 1; similarly, when the above-mentioned multi-suspension universal body structure is adapted to install the multi-link suspension 300, the first suspension mounting portion 111, the second suspension mounting portion 112 and the third suspension mounting portion 113 can also improve the structural stability and load-bearing capacity of the frame body 1, and achieve the above-mentioned effects, which will not be repeated here.

[0049] In addition, in another embodiment, a lower vehicle body is provided, such as Figure 9 As shown, the lower body includes a lower body frame, which includes a first crossbeam 7, a second crossbeam 8, and two of the aforementioned multi-suspension universal body structures. The two multi-suspension universal body structures, i.e., the frame bodies 1, are spaced and symmetrically arranged along the vehicle width direction S3. The first crossbeam 7 extends along the vehicle width direction S3 and is respectively connected to the first ends 121 of the two multi-suspension universal body structures. The second crossbeam 8 extends along the vehicle width direction S3 and is respectively connected to the second ends 122 of the two multi-suspension universal body structures. The lower body frame constructed by the above arrangement can be installed with different types of suspensions as required and can be used in both the front and rear cabins. In this way, the lower body frames of the front and rear cabins can share a common manufacturing process route, ensuring the uniformity of the company's overall manufacturing planning, further improving vehicle manufacturing efficiency, and reducing development, production, and management costs.

[0050] It can be understood that for other structures and working principles of the multi-suspension universal body structure, please refer to the above-mentioned description of the embodiment of the multi-suspension universal body structure. Since the multi-suspension universal body structure has the above-mentioned technical effects, the vehicle with the multi-suspension universal body structure should also have the corresponding technical effects, which will not be repeated here.

[0051] Furthermore, if Figure 1 、 Figure 7 and Figure 9 As shown, the fifth suspension mounting portion 115 arranged at the second end 122 of the longitudinal beam portion 12 extends and is connected to the second cross beam 8. In this way, on the one hand, the fifth suspension mounting portion 115 can be used to improve the connection stability between the longitudinal beam portion 12 and the second cross beam 8. On the other hand, the longitudinal beam portion 12 and the second cross beam 8 can also be used to jointly share the load of the fourth suspension mounting assembly 5 and the fifth suspension mounting assembly 6, thereby optimizing the direction of torque transmission.

[0052] Preferably, the above-mentioned lower body frame including the first crossbeam 7, the second crossbeam 8 and the frame body 1 can be formed into one piece by die-casting, thereby improving the structural strength and continuity of each part of the lower body frame, while reducing the number of parts of the lower body frame, achieving lightweighting of the lower body frame, and further shortening the development cycle and reducing development costs, which is conducive to the iteration and update of products.

[0053] In some embodiments, the lower body further includes a center frame (not shown). Two lower body frames are provided, spaced apart and symmetrically along the vehicle length direction S1. The center frame extends along the vehicle length direction S1 and connects between the two lower body frames. This allows the lower body frames to be used for both the front and rear cabins within a single vehicle, further reducing development, production, and management costs.

[0054] In another embodiment, a vehicle is provided, including the lower body of the above embodiment. For other structures and operating principles of the lower body, please refer to the above description of the lower body embodiment. Since the lower body has the above technical effects, a vehicle having the lower body should also have the corresponding technical effects, which will not be described in detail here.

[0055] It is understood that, in this application, unless otherwise expressly specified or limited, terms such as "assembly" and "connection" should be interpreted broadly. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium; internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0056] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, features defined as "first" or "second" may explicitly or implicitly include one or more of the features. "Multiple" means two or more, unless otherwise clearly and specifically defined. And the descriptions of terms such as "some embodiments" and "exemplarily" mean that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application.

[0057] The illustrative descriptions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art may combine and integrate different embodiments or examples described in this specification, as well as features of different embodiments or examples, unless they are mutually inconsistent.

[0058] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can modify, replace and modify the above embodiments within the scope of the present application. Therefore, any changes or modifications made in accordance with the claims and description of the present application should fall within the scope of the patent covered by this application.

Claims

1. A multi-suspension universal vehicle body structure, characterized in that: include: a frame body, the frame body being provided with a plurality of mounting portions, at least one of the mounting portions being adapted to be connected to a shock absorber of the suspension; a first suspension mounting assembly, the first suspension mounting assembly having a plurality of mounting locations at different positions, at least one of the mounting locations being adapted to connect to a swing arm of the suspension; and a second suspension mounting assembly, the second suspension mounting assembly comprising a first mounting plate and a second mounting plate connected vertically in an L-shape, the first mounting plate being longer than the second mounting plate, and having first and second suspension spring mounting structures respectively provided on opposite outer sides of the first and second mounting plates, the first and second suspension spring mounting structures being adapted to connect different types of suspension springs; Wherein, at least two of the mounting portions are suitable for mounting the first suspension mounting assembly and the second suspension mounting assembly.

2. The multi-suspension universal vehicle body structure according to claim 1, characterized in that: The frame body comprises: a longitudinal beam portion extending in the vehicle length direction and having a first end and a second end distributed in the vehicle length direction; and A wheel housing portion, the wheel housing portion comprising a wheel house side beam and a connecting plate, the wheel house side beam being connected to the first end and the second end in a curved shape; the connecting plate extending along the vehicle height direction and disposed between the wheel house side beam and the longitudinal beam portion, and the connecting plate being connected at both ends in the vehicle length direction to the connection positions of the wheel house side beam and the longitudinal beam portion; Wherein, the mounting portion includes a first suspension mounting portion, which is arranged at the connection position between the wheel arch side beam and the first end and is suitable for installing the first suspension mounting assembly.

3. The multi-suspension universal vehicle body structure according to claim 2, characterized in that: The mounting portion further includes a second suspension mounting portion, which is provided on a plate surface of the connecting plate facing the wheel arch side beam and is suitable for mounting the second suspension mounting assembly; The second suspension mounting portion is provided with a receiving groove for accommodating the first suspension spring mounting structure and the second suspension spring mounting structure.

4. The multi-suspension universal vehicle body structure according to claim 3, characterized in that: The mounting portion further includes a third suspension mounting portion, which is arranged on the plate surface of the connecting plate facing the wheel arch side beam and is suitable for connecting the shock absorber of the suspension.

5. The multi-suspension universal vehicle body structure according to claim 4, characterized in that: The third suspension mounting portion has a plurality of mounting points at different positions, at least one of the mounting points being suitable for connecting to a shock absorber of the suspension.

6. A multi-suspension universal vehicle body structure according to any one of claims 2 to 5, characterized in that: The first suspension mounting assembly is detachably connected to the mounting portion; and the second suspension mounting assembly is detachably connected to the mounting portion.

7. The multi-suspension universal vehicle body structure according to claim 6, characterized in that: The mounting portion further includes a fourth suspension mounting portion, a fifth suspension mounting portion, and a sixth suspension mounting portion, wherein the fourth suspension mounting portion is disposed on the longitudinal beam portion and extends and connects to the connecting plate; the fifth suspension mounting portion is disposed on the second end of the longitudinal beam portion; and the sixth suspension mounting portion is disposed on the wheel arch side beam near the connecting plate. The vehicle body structure further includes a third suspension mounting assembly, a fourth suspension mounting assembly, and a fifth suspension mounting assembly, wherein the third suspension mounting assembly is detachably connected to the fourth suspension mounting portion; the fourth suspension mounting assembly and the fifth suspension mounting assembly are mounted in parallel on the fifth suspension mounting portion and are both detachably connected to the fifth suspension mounting portion; Among them, the third suspension mounting assembly is suitable for connecting the connecting rod of the multi-link suspension, the fourth suspension mounting assembly is suitable for connecting the spring of the multi-link suspension, the fifth suspension mounting assembly is suitable for connecting the control arm of the multi-link suspension; the sixth suspension mounting part is suitable for connecting the shock absorber of the multi-link suspension.

8. A lower vehicle body, characterized in that: include: A lower body frame, the lower body frame includes a first crossbeam, a second crossbeam and two multi-suspension universal body structures as described in any one of claims 2 to 7, the two multi-suspension universal body structures are spaced apart and symmetrically arranged along the vehicle width direction, the first crossbeam extends along the vehicle width direction and is respectively connected to the first ends of the two multi-suspension universal body structures, and the second crossbeam extends along the vehicle width direction and is respectively connected to the second ends of the two multi-suspension universal body structures.

9. The lower vehicle body according to claim 8, characterized in that: It also includes a middle frame; there are two lower body frames, which are spaced and symmetrically arranged along the length direction of the vehicle, and the middle frame extends along the length direction of the vehicle and is connected between the two lower body frames.

10. A vehicle, characterized in that: Comprising the lower vehicle body as claimed in claim 8 or 9.

Images