Support assembly and vehicle
The design of the split bracket assembly solves the assembly and maintenance difficulties caused by the complex structure of existing power battery brackets, enabling flexible disassembly and convenient maintenance of power batteries.
Patent Information
- Application Number
- CN202520483809.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-18
AI Technical Summary
The existing power battery bracket design is complex, which makes the assembly and maintenance of power batteries in commercial vehicles time-consuming and labor-intensive, and difficult to disassemble and install flexibly.
The system adopts a split bracket assembly, including side brackets and support connecting frames, which allows for flexible installation and removal of the power battery through detachable connections, simplifying the structure and reducing weight.
It improves the ease of disassembly and maintenance of power batteries, reduces the difficulty of maintenance and replacement, and simplifies the assembly process.
Smart Images

Figure CN223812487U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vehicle technical field, especially a support assembly and vehicle. BACKGROUND
[0002] With the rapid development of new energy vehicles, the power battery as its core component, its installation structure design has important influence to the overall performance of vehicle, assembly efficiency and the convenience of later maintenance.
[0003] At present, the arrangement form of multilayer battery pack is more common in commercial vehicles, usually the power battery support is installed on the both sides of the frame to meet the power demand and space layout of the whole vehicle. However, the current battery frame design generally adopts integral frame structure, and the integration degree is high but the structure is complex, and usually needs to be assembled in advance. This design needs to connect the battery frame assembly and the frame when installing on the vehicle assembly line, and more importantly, when the lower layer battery pack needs to be replaced, the upper layer battery pack and related installation components must be removed first, which not only increases the difficulty of maintenance and replacement, but also causes time-consuming and laborious in the assembly and maintenance process. SUMMARY
[0004] The main purpose of the utility model is to provide a support assembly and vehicle, which aims to improve the disassembly flexibility of the power battery on the support assembly.
[0005] To achieve the above purpose, the support assembly provided by the utility model is used for installing a power battery, and comprises:
[0006] Two side supports, which are arranged on opposite sides of the power battery and are provided with a connecting structure on the side facing each other, and the two side supports are used for connecting the frame; and
[0007] A support connecting frame, which is detachably connected to the lower side of the connecting structure corresponding to the two side supports, and the power battery is detachably installed on the upper side of the support connecting frame.
[0008] In an embodiment, the support connecting frame is provided with at least two, and the connecting structure comprises a first connecting body and a second connecting body arranged at intervals along the height direction of the side support, and the two support connecting frames are connected to the lower side of the first connecting body and the second connecting body respectively.
[0009] In an embodiment, the first connecting body comprises a connecting plate protruding from the side support, and the connecting plate is connected with the support connecting frame below.
[0010] In an embodiment, the connecting plate is folded upward at one end away from the side support to form a limiting flange, and the limiting flange is used for abutting against the power battery.
[0011] In an embodiment, the second connecting body is bent from the bottom of the side support towards the other side support.
[0012] In an embodiment, a reinforcing support is connected between the first connecting body and the side support, and between the second connecting body and the side support.
[0013] And / or, a through hole is formed in the side support between the first connecting body and the second connecting body.
[0014] In an embodiment, the support connecting frame comprises a first support and a second support, the first support is provided with two, the second support is provided with a plurality of and is arranged between the two first supports, the connecting structure is connected with the second support located at the outermost side, and is connected with the first support.
[0015] In an embodiment, the second support is formed with a avoiding gap on the upper surface of both ends, the first support comprises a first segment and a second segment which are arranged in a bending manner, the first segment is arranged at the end side of the second support, and the second segment is embedded in the avoiding gap.
[0016] In an embodiment, the side support comprises a battery connecting body provided with the connecting structure, the side edge of the battery connecting body is bent with a frame connecting body towards the other side support, the frame connecting body is connected with the connecting structure.
[0017] In an embodiment, the frame connecting body comprises a continuously bent frame connecting part and a battery stop part, the battery stop part is located at the same side of the frame connecting part with the battery connecting body, the frame is connected with the frame connecting part, and the power battery is abutted at the free end of the battery stop part.
[0018] In an embodiment, a reinforcing structure is connected between the battery connecting body and the frame connecting body, and the reinforcing structure is connected with the connecting structure.
[0019] The utility model also provides a vehicle, the vehicle comprises the support subassembly as described above.
[0020] The utility model discloses a technical scheme, and the support assembly is fixed power battery through the support connecting frame, and through the lateral support connecting frame and car frame, and power battery is installed to the vehicle, and specifically, two side supports and support connecting frame are split setting, and the structure of support assembly is simplified, and further, the overall weight of support assembly is reduced, and the light weight level of support assembly is improved, wherein, power battery is detachably installed above the support connecting frame, and is located between two side supports, and the both ends of support connecting frame are detachably connected below two connecting structures on two side supports, so, when needing to maintain and replace power battery, can directly remove the connection between power battery and support connecting frame, at this moment, power battery can realize lateral removal, and also can directly remove the connection between support connecting frame and lateral support, at this moment, power battery and support connecting frame can realize integral removal downward.
[0021] Thus, by the detachable connection between lateral support and support connecting frame, the detachable connection between support connecting frame and power battery, and the positional relationship between support connecting frame and connecting structure and power battery, the dismounting flexibility of power battery on support assembly can be improved, the difficulty of maintenance and replacement can be effectively reduced, and the dismounting convenience and maintenance convenience of power battery can be improved. ACCURACY
[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in these drawings without paying creative labor.
[0023] Figure 1 The structural schematic diagram of the support assembly of one embodiment of the utility model is provided.
[0024] Figure 2 For Figure 1 The dismounting schematic diagram of the support assembly and power battery in the embodiment, at this moment, the lateral dismounting of the lower power battery can be realized by separating power battery and support connecting frame.
[0025] Figure 3 For Figure 1 The dismounting schematic diagram of the support assembly and power battery in the embodiment, at this moment, the vertical dismounting of the lower power battery can be realized by separating lateral support and support connecting frame.
[0026] Figure 4 For Figure 1 The front view of the support assembly in the embodiment.
[0027] Figure 5 For Figure 1 The structural schematic diagram of lateral support and connecting structure in the embodiment.
[0028] Figure 6 For Figure 5 Side view of the middle side support and the connecting structure;
[0029] Figure 7 For Figure 1 Structure diagram of the middle support connecting frame;
[0030] Figure 8 For Figure 7 Side view of the middle support connecting frame;
[0031] Figure 9 For Figure 7 Structure diagram of the second support.
[0032] BRIEF DESCRIPTION OF DRAWINGS
[0033] 10, side support; 11, battery connecting main body; 12, frame connecting main body; 121, frame connecting part; 122, battery stop part; 13, reinforcing structure; 14, through hole;
[0034] 20, connecting structure; 21, first connecting main body; 211, connecting plate; 212, limiting flange; 22, second connecting main body; 23, reinforcing support;
[0035] 30, support connecting frame; 31, first support; 311, first segment; 312, second segment; 32, second support; 321, avoiding gap;
[0036] 40, power battery.
[0037] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION
[0038] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0039] It should be noted that if the present application embodiments involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture, and if the specific posture changes, the directional indications also change accordingly.
[0040] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included at least one of the features. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary technical personnel, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.
[0041] With the rapid development of new energy vehicles, as the core component of the power battery, the design of its mounting structure has important influence on the overall performance, assembly efficiency and convenience of later maintenance of the vehicle.
[0042] At present, the arrangement form of multi-layer battery pack is more common in commercial vehicles, usually the power battery support is installed on both sides of the frame to meet the power demand and space layout of the whole vehicle. However, the current design of battery frame generally adopts integral frame structure, which has high integration degree but complex structure, and usually needs to be assembled in advance. When installing on the vehicle assembly line, the battery frame assembly needs to be connected with the frame in a complex way; more importantly, when the lower layer battery pack needs to be replaced, the upper layer battery pack and related installation components must be removed first, which not only increases the difficulty of maintenance and replacement, but also causes time-consuming and laborious assembly and maintenance process.
[0043] In order to solve the technical problem, the utility model provides a support assembly.
[0044] Please refer to Figures 1 to 9 In an embodiment of the utility model, the support assembly is used for installing power battery 40, the support assembly includes two side supports 10 and a support connecting frame 30, two side supports 10 are arranged on opposite sides of the power battery 40, and the side of the two side supports 10 facing each other is provided with a connecting structure 20, and the two side supports 10 are used for connecting the frame; the two ends of the support connecting frame 30 are detachably connected below the corresponding connecting structure 20 of the two side supports 10, and the power battery 40 is detachably installed above the support connecting frame 30; in this way, the disassembly and assembly of the power battery 40 are more flexible, the difficulty of maintenance and replacement is reduced, and the disassembly and assembly convenience and maintenance convenience of the power battery 40 are improved.
[0045] The utility model discloses a technical scheme, support assembly fixes power battery 40 through support connecting frame 30, and connects the frame through side support 10 to install power battery 40 to the vehicle, in particular, two side supports 10 and support connecting frame 30 are set up in split body, and the structure of support assembly is simplified conveniently, and further, the overall weight of support assembly is reduced, and the light weight level of support assembly is improved, wherein, power battery 40 is detachably installed above support connecting frame 30, and is located between two side supports 10, and the both ends of support connecting frame 30 are detachably connected below two connecting structures 20 on two side supports 10, so when needing to maintain and replace power battery 40, the connection between power battery 40 and support connecting frame 30 can be directly released, at this time, power battery 40 can be removed laterally, and the connection between support connecting frame 30 and side support 10 can also be directly released, at this time, power battery 40 and support connecting frame 30 can be integrally removed downward.
[0046] Thus, by detachable connection between side support 10 and support connecting frame 30, detachable connection between support connecting frame 30 and power battery 40, and positional relationship between support connecting frame 30 and connecting structure 20 and power battery 40, the dismounting flexibility of power battery 40 on support assembly can be improved, the difficulty of maintenance and replacement can be effectively reduced, and the dismounting convenience and maintenance convenience of power battery 40 can be improved.
[0047] In particular, two side supports 10 are symmetrical structures, and each side facing each other is provided with connecting structure 20, so as to facilitate the horizontal installation of support connecting frame 30 and power battery 40; the specific connection mode of detachable connection between support connecting frame 30 and side support 10, detachable connection between support connecting frame 30 and power battery 40, and detachable connection between frame and side support 10 includes but is not limited to screw connection, bolt fixing, buckle connection, so as to facilitate the quick dismounting between components, and further improve the dismounting efficiency of support assembly and the dismounting convenience and maintenance convenience of power battery 40.
[0048] Optionally, in the embodiment of the utility model, the support connecting frame 30 is provided with at least two, the connecting structure 20 at least includes first connecting main body 21 and second connecting main body 22 that are arranged in the height direction of the side support 10, two support connecting frames 30 are connected below first connecting main body 21 and second connecting main body 22 respectively, it can be understood that according to the size of the space of the frame side and the number of power battery 40, support frame assembly can selectively connect corresponding number of power battery 40 by having support connecting frame 30, improve the versatility of support frame assembly, satisfy the assembly of power battery 40 in limited space at the same time, in the embodiment, power battery 40 corresponds to support connecting frame 30 one by one, support connecting frame 30 corresponds to two first connecting main body 21 or two second connecting main body 22 on the two side supports 10, realize the reliable assembly of multilayer power battery 40.
[0049] Specifically, when the lower power battery 40 needs to be replaced and repaired, compared with first removing the upper power battery 40 and the related installation assembly, only the connection between the support connecting frame 30 and the second connecting main body 22 is directly released, for example, the corresponding bolt is removed, the support connecting frame 30 and the power battery 40 arranged on the support connecting frame 30 can be removed as a whole, and vice versa, the support connecting frame 30 and the power battery 40 fixed as a whole can be removed as a whole, and the vertical installation of the support connecting frame 30 and the second connecting main body 22 is realized; or, only the connection between the support connecting frame 30 and the power battery 40 is released, for example, the corresponding bolt is removed, the power battery 40 can be removed laterally away from the frame, and vice versa, the power battery 40 is inserted between the two side supports 10, and the lateral installation of the power battery 40 and the support connecting frame 30 is realized.
[0050] Please refer to Figures 4 to 6 In the embodiment of the utility model, the first connecting main body 21 includes the connecting plate 211 protruding from the side support 10, and the support connecting frame 30 is connected below the connecting plate 211, so that the first connecting main body 21 and the support connecting frame 30 have a large effective contact area, which helps to improve the connection strength and stability of the support connecting frame 30 and the first connecting main body 21. Among them, the connecting plate 211 can be connected to the bottom of the side support 10, and can also be arranged away from the bottom of the side support 10 as shown Figure 5 The connecting plate 211 can be fixed on the first connecting main body 21 by welding or other methods, to ensure the reliable connection of the first connecting main body 21 and the side support 10; the connection mode of the connecting plate 211 and the support connecting frame 30 includes but is not limited to screw connection, bolt fixing and buckle connection, to facilitate the quick disassembly of the first connecting main body 21 and the support connecting frame 30, thereby improving the disassembly efficiency of the support frame assembly and the disassembly and maintenance convenience of the power battery 40.
[0051] Optionally, in the embodiment of the utility model, the one end of connecting plate 211 away from side support 10 is folded upwardly to limit the edge 212, the limit edge 212 is used for abutting to power battery 40, thus, can improve the structure strength of first connecting main body 21 whole, improve the hanging effect of support connecting frame 30, can also limit the edge 212 on the other side support 10 together to define the installation range of power battery 40, facilitate the quick disassembly of power battery 40 and support connecting frame 30, further improve the disassembly convenience and maintenance convenience of power battery 40.
[0052] Optionally, in the embodiment of the utility model, the second connecting main body 22 is bent from the bottom of side support 10 to the other side support 10, thus, by bending process, can improve the structure strength of side support 10 whole, can also form second connecting main body 22, and provide installation position for support connecting frame 30, realize the connection of support connecting frame 30 and side support 10. Of course, in other embodiments, the second connecting main body 22 includes connecting plate 211, or the second connecting main body 22 includes the connecting plate 211 and limit edge 212 bently arranged.
[0053] Please refer to Figure 5 In the embodiment of the utility model, the first connecting main body 21 and the side support 10, the second connecting main body 22 and the side support 10 are connected with reinforcing support 23, can be understood that reinforcing support 23 is arranged in multiple along the depth direction of side support 10, and then, by the arrangement of reinforcing support 23, the connection strength of first connecting main body 21 and side support 10 is strengthened, at this time, reinforcing support 23 is reinforcing rib plate, and is connected with side support 10 and connecting plate 211 respectively; the connection strength of second connecting main body 22 and side support 10 is strengthened; thereby effectively improve the structure stability of side support 10 whole.
[0054] Optionally, in the embodiment of the utility model, the through hole 14 between the first connecting main body 21 and the second connecting main body 22 is formed on the side support 10, which helps to reduce the weight of the side support 10, and also reduces the material usage of the side support 10 and the cost. In addition, the through hole 14 can also serve as a wire hole, facilitating the assembly of the related wire harness of the power battery 40.
[0055] Please refer to Figure 7In the embodiment of the utility model, the support connecting frame 30 includes first support 31 and second support 32, first support 31 is provided with two, second support 32 is provided with multiple and is arranged in two first support 31 between, connecting structure 20 is connected with the second support 32 of the most outside, still with first support 31 links, thus, utilize multiple first support 31 and multiple second support 32's combination constitutes support connecting frame 30, simple structure and easily realize, still can pass through increasing the effective contact area of support connecting frame 30 and power battery 40, to guarantee the support and fixed of support connecting frame 30 to power battery 40.
[0056] When the second support 32 is provided with two or more, the second support 32 connected to the end of the first support 31 is fixed with the connecting structure 20, and the remaining second supports 32 are supported and fixed below the power battery 40; the first support 31 abuts against the lower surface of the connecting structure 20 through the upper surface of the end thereof, realizing the connection and fixation of the connecting structure 20, the first support 31 and the second support 32, which helps to improve the connection strength of the support connecting frame 30 and the connecting structure 20, and ensures the stable installation of the power battery 40. The first support 31 and the second support 32 are fixed into a whole by welding, which reliably guarantees the structural strength of the support connecting frame 30 as a whole.
[0057] Optionally, in the embodiment of the utility model, the upper surface of the second support 32 at both ends is formed with a avoiding gap 321, the first support 31 includes a first segment 311 and a second segment 312 arranged by bending, the first segment 311 is arranged at the end side of the second support 32, and the second segment 312 is embedded in the avoiding gap 321, so that the contact area between the first support 31 and the second support 32 can be improved, the connection reliability of the first support 31 and the second support 32 can be improved, the upper surface of the first support 31 and the upper surface of the second support 32 can be ensured to be located on the same plane, the flatness of the upper surface of the support connecting frame 30 can be improved, the fixation and support of the power battery 40 can be facilitated, and the connection reliability of the power battery 40 on the support connecting frame 30 can be improved.
[0058] Specifically, the first support 31 and the second support 32 are both formed by bending sheet metal, simple in structure and easy to realize, and can also guarantee the structural strength of both, thereby improving the structural strength of the support connecting frame 30 as a whole, wherein the upper surfaces of the two ends of the second support 32 are designed with notches to avoid a certain space for the first support 31 to be embedded, meeting the flatness requirement of the upper surface of the support connecting frame 30, at this time, the second support 32 can include a third segment and a fourth segment arranged by bending, and the two ends of the third segment and the two ends of the fourth segment are both provided with a certain spacing to form an avoiding notch 321; alternatively, the second support 32 has a protruding ridge upward, and the two ends of the ridge form an avoiding notch 321, which can also cooperate with the first support 31 to meet the flatness requirement. Further, the second segment 312 of the first support 31 is arranged on the avoiding notch 321, at this time, the surface of the second segment 312 away from the first segment 311 smoothly transitions with the upper surface of the second support 32, reliably realizing the flatness requirement of the upper surface of the support connecting frame 30. Of course, in other embodiments, the first support 31 is arranged on the end side of the second support 32 on the basis of meeting the flatness requirement of the upper surface of the support connecting frame 30.
[0059] Optionally, in the embodiment of the utility model, the side support 10 includes the battery connecting body 11 provided with the connecting structure 20, the side edge of the battery connecting body 11 is bent towards the other side support 10 and is provided with the frame connecting body 12, and the frame connecting body 12 is connected with the connecting structure 20. It can be understood that when the connecting structure 20 includes the first connecting body 21 and the second connecting body 22, the first connecting body 21 and the second connecting body 22 are arranged at intervals in the height direction of the battery connecting body 11, at this time, the frame connecting body 12 is arranged at the side of the first connecting body 21 and the second connecting body 22 and is connected with them, so that the connection strength of the first connecting body 21 and the second connecting body 22 on the side support 10 can be further improved, thereby improving the structural stability of the support assembly as a whole.
[0060] The battery connecting body 11 and the frame connecting body 12 are designed integrally, for example, by casting process, injection molding process, welding and other processing methods, which helps to guarantee the structural strength and structural stability of the side support 10 as a whole, and the frame connecting body 12 can be connected with the connecting structure 20 by welding and other methods.
[0061] Please refer to Figures 5 to 6In the embodiment of the utility model, the frame connecting main body 12 includes continuous bending frame connecting part 121 and battery stop part 122, the battery stop part 122 is located the same side of frame connecting part 121 with battery connecting main body 11, the frame is connected to frame connecting part 121, the power battery 40 is abutted in the free end of battery stop part 122, can understand, frame connecting part 121 is bent from the side edge of side support 10 to the other side support 10, battery stop part 122 is bent from frame connecting part 121 to connecting structure 20, further, with the continuous bending process, the structural strength of frame connecting main body 12 is improved, and the connection reliability of frame connecting main body 12 and frame is guaranteed;Frame is located in the side of frame connecting part 121 away from connecting structure 20, at this time, frame connecting hole for connecting frame is set up on frame connecting part 121, and frame can be installed to frame connecting part 121 by bolt connection, bolt fixing, buckle connection.
[0062] Because battery stop part 122 extends towards connecting structure 20, when power battery 40 is installed to support connecting frame 30, at least part of battery stop part 122 is abutted with power battery 40, so that the installation stability of power battery 40 on support assembly can be effectively guaranteed.
[0063] Please refer to Figure 5 In the embodiment of the utility model, the battery connecting main body 11 and the frame connecting main body 12 are connected with the reinforcing structure 13, the reinforcing structure 13 is connected with the connecting structure 20, so that the structural strength of the whole side support 10 can be improved, and the connection reliability of connecting structure 20 on side support 10 can also be improved;Wherein, the reinforcing structure 13 can include at least the reinforcing plate attached to the battery connecting main body 11 and the frame connecting part 121 and the reinforcing rib provided on the reinforcing plate, the reinforcing plate and the reinforcing rib avoid the hole structure such as frame connecting hole on the battery connecting main body 11 and the frame connecting main body 12;The frame connecting main body 12 is connected with the connecting structure 20 through the reinforcing rib of reinforcing structure 13, so as to enhance the connection strength of connecting structure 20 and side support 10.
[0064] The utility model also proposes a vehicle, the vehicle includes support assembly, and the specific structure of support assembly refers to the above embodiment, because the vehicle adopts all the technical schemes of the above all embodiments, so at least has all the beneficial effects brought by the technical scheme of the above embodiment, and here will not be repeated.
[0065] The above merely illustrates the exemplary embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation or direct / indirect application in other related technical fields under the technical concept of the present application and by using the content of the present application specification and drawings are included in the patent protection scope of the present application.
Claims
1. A bracket assembly for mounting a power cell, characterized by, The support assembly comprises: two side supports, arranged on opposite sides of the power battery, and each side of the two side supports is provided with a connecting structure, and the two side supports are used for connecting a vehicle frame; and a support connecting frame, both ends of which are detachably connected below the corresponding connecting structures of the two side supports, and the power battery is detachably mounted above the support connecting frame.
2. The support assembly of claim 1, wherein, The support connecting frame is provided with at least two, and the connecting structure at least comprises a first connecting body and a second connecting body arranged in the height direction of the side support, and the two support connecting frames are connected below the first connecting body and the second connecting body respectively.
3. The support assembly of claim 2, wherein, The first connecting body comprises a connecting plate protruding from the side support, and the support connecting frame is connected below the connecting plate.
4. The support assembly of claim 3, wherein, The end of the connecting plate away from the side support is upwardly folded to form a limiting flange, and the limiting flange is used for abutting against the power battery.
5. The support assembly of claim 2, wherein, The second connecting body is bent and formed from the bottom of the side support towards the other side support.
6. The support assembly of claim 2, wherein, The first connecting body and the side support, and the second connecting body and the side support are connected with a reinforcing support; And / or, a through hole is formed in the side support between the first connecting body and the second connecting body.
7. The support assembly of claim 1, wherein, The support connecting frame comprises a first support and a second support, the first support is provided with two, the second support is provided with a plurality of and is arranged between the two first supports, the connecting structure is connected with the second support on the outermost side, and the first support is connected.
8. The support assembly of claim 7, wherein, The second support is formed with a avoiding notch on the upper surface of both ends, the first support comprises a first segment and a second segment which are bent, the first segment is arranged on the end side of the second support, and the second segment is embedded in the avoiding notch.
9. The support assembly of any one of claims 1 to 8, wherein, The side support comprises a battery connecting body provided with the connecting structure, the side edge of the battery connecting body is bent towards the other side support to form a vehicle frame connecting body, and the vehicle frame connecting body is connected with the connecting structure.
10. The support assembly of claim 9, wherein, The vehicle frame connecting body comprises a continuously bent vehicle frame connecting portion and a battery stop portion, the battery stop portion is located on the same side of the battery connecting body as the vehicle frame connecting portion, the vehicle frame is connected to the vehicle frame connecting portion, and the power battery abuts against the free end of the battery stop portion.
11. The support assembly of claim 9, wherein, The battery connecting body and the vehicle frame connecting body are connected with a reinforcing structure, and the reinforcing structure connects the connecting structure.
12. A vehicle characterized by comprising: The support assembly comprises: two side supports, arranged on opposite sides of the power battery, and each side of the two side supports is provided with a connecting structure, and the two side supports are used for connecting a vehicle frame; and a support connecting frame, both ends of which are detachably connected below the corresponding connecting structures of the two side supports, and the power battery is detachably mounted above the support connecting frame. The support connecting frame is provided with at least two, and the connecting structure at least comprises a first connecting body and a second connecting body arranged in the height direction of the side support, and the two support connecting frames are connected below the first connecting body and the second connecting body respectively. The first connecting body comprises a connecting plate protruding from the side support, and the support connecting frame is connected below the connecting plate. The end of the connecting plate away from the side support is upwardly folded to form a limiting flange, and the limiting flange is used for abutting against the power battery. The second connecting body is bent and formed from the bottom of the side support towards the other side support. The first connecting body and the side support, and the second connecting body and the side support are connected with a reinforcing support; And / or, a through hole is formed in the side support between the first connecting body and the second connecting body. The support connecting frame comprises a first support and a second support, the first support is provided with two, the second support is provided with a plurality of and is arranged between the two first supports, the connecting structure is connected with the second support on the outermost side, and the first support is connected. The second support is formed with a avoiding notch on the upper surface of both ends, the first support comprises a first segment and a second segment which are bent, the first segment is arranged on the end side of the second support, and the second segment is embedded in the avoiding notch. The side support comprises a battery connecting body provided with the connecting structure, the side edge of the battery connecting body is bent towards the other side support to form a vehicle frame connecting body, and the vehicle frame connecting body is connected with the connecting structure. The vehicle frame connecting body comprises a continuously bent vehicle frame connecting portion and a battery stop portion, the battery stop portion is located on the same side of the battery connecting body as the vehicle frame connecting portion, the vehicle frame is connected to the vehicle frame connecting portion, and the power battery abuts against the free end of the battery stop portion. The battery connecting body and the vehicle frame connecting body are connected with a reinforcing structure, and the reinforcing structure connects the connecting structure. The support assembly comprises: