Electric vehicle frame

Abstract

The utility model relates to the technical field of vehicles, in particular to an electric vehicle frame which comprises a frame body provided with a first connecting part. The supporting frame is provided with a second connecting part; the second connecting part is detachably connected with the first connecting part through the first connecting piece; the supporting frame is further provided with a third connecting part. The saddle connecting frame is provided with a fourth connecting part; and the third connecting part and the fourth connecting part are detachably connected through the second connecting piece. Each part of the electric vehicle frame adopts a modular design, the disassembly and assembly operation is simple and convenient, the influence of welding technologies of different workers is avoided, and compared with an existing electric vehicle frame which is mainly assembled by welding, the electric vehicle frame has the advantages that the assembly error can be effectively reduced, each part of frame body can be respectively disassembled for replacement and maintenance, and the production efficiency is improved. The maintenance cost can be reduced, separated transportation can be achieved during different-place assembly, and the transportation efficiency is improved.

Description

Technical Field

[0001] The present application relates to the field of vehicle technology, and in particular to an electric vehicle frame. Background Art

[0002] Currently, an electric vehicle frame generally includes a frame body, a saddle support, a rear hanger, a rear fork, etc. The electric vehicle frames disclosed in the prior art are usually manufactured by pipe welding, that is, the various parts of the electric vehicle frame are manufactured and assembled together mainly by welding.

[0003] In the prior art, electric vehicle frames are manufactured mainly by welding. On the one hand, during the welding operation, since most frames are special-shaped parts, it is not convenient to position and maintain the relative positions of the welded parts, resulting in low production efficiency and indirectly leading to assembly errors caused by the welding-based method. On the other hand, the welded frame is an integrated structure. Once damaged, it must be completely scrapped or replaced, which is not conducive to reducing maintenance costs. At the same time, such an integrated welded frame will take up more space when transported to another place. Utility Model Content

[0004] The purpose of this application is to provide an electric vehicle frame to solve, to a certain extent, the technical problems existing in the prior art that the existing electric vehicle frames are mostly manufactured by welding, which easily affects production efficiency and is also prone to assembly errors.

[0005] The present application provides an electric vehicle frame, comprising: a frame body, wherein the frame body is provided with a first connecting portion;

[0006] A support frame, wherein the support frame is provided with a second connecting portion;

[0007] a first connecting member, wherein the second connecting portion is detachably connected to the first connecting portion via the first connecting member; and the support frame is further provided with a third connecting portion;

[0008] a saddle connecting frame, wherein the saddle connecting frame is provided with a fourth connecting portion;

[0009] A second connecting member, wherein the third connecting portion and the fourth connecting portion are detachably connected via the second connecting member.

[0010] In the above technical solution, further, the frame body is also provided with a first mounting portion and a second mounting portion; the first mounting portion is used to connect the front wheel assembly of the electric vehicle, and the second mounting portion is used to connect the rear wheel assembly of the electric vehicle.

[0011] In any of the above technical solutions, further, the frame body also includes a battery compartment, and the battery compartment is arranged between the first mounting portion and the second mounting portion.

[0012] In any of the above technical solutions, further, the frame body further includes:

[0013] an arc-shaped support plate, the arc-shaped support plate being arranged between the first mounting portion and the battery compartment;

[0014] The reinforcing ribs are arranged on the arc-shaped support plate.

[0015] In any of the above technical solutions, further, the battery compartment has a frame structure, and the battery compartment includes a first rib member and a second rib member, the first rib member has an L-shaped structure, and one end of the first rib member is connected to the arc-shaped support plate; the number of the second rib members is multiple, and one end of each of the second rib members is connected to the frame body, and the other end of each of the second rib members is connected to the first rib member.

[0016] In any of the above technical solutions, further, the support frame includes:

[0017] a first bracket, wherein the first connecting portion includes a first connecting platform and a second connecting platform spaced apart from each other, and the first bracket is detachably connected to the first connecting platform;

[0018] a second bracket, the second bracket being detachably connected to the second connecting platform;

[0019] The first connection platform is provided with a first connection hole, and the number of the first connection hole is at least one; the second connection platform is provided with a second connection hole, and the number of the second connection hole is at least one.

[0020] In any of the above technical solutions, further, the second connecting portion includes:

[0021] a first fixing member, the first fixing member being disposed on the first bracket, the first fixing member being provided with third connecting holes, the number of the third connecting holes being adapted to the number of the first connecting holes, each of the third connecting holes being connected to one of the first connecting holes via one of the first connecting members;

[0022] A second fixing member, the second fixing member is arranged on the second bracket, the second fixing member is provided with fourth connecting holes, the number of the fourth connecting holes is adapted to the number of the second connecting holes, and each of the second connecting holes is connected to one of the fourth connecting holes through one of the first connecting members.

[0023] In any of the above technical solutions, further, the first fixing member includes a first plate portion and a second plate portion, the first plate portion and the second plate portion are arranged at an angle, and the first plate portion and the second plate portion are respectively in contact with different side walls of the first connecting platform;

[0024] The second fixing member includes a third plate portion and a fourth plate portion, the third plate portion and the fourth plate portion are arranged at an angle, and the third plate portion and the fourth plate portion are respectively fitted with different side walls of the second connecting platform.

[0025] In any of the above technical solutions, further, the third connecting portion is provided at one end of the first bracket away from the first fixing member, and the third connecting portion is also provided at one end of the second bracket away from the second fixing member, and the third connecting portion is connected to the saddle connecting frame through the second connecting member.

[0026] In any of the above technical solutions, further, the saddle connecting frame has a frame structure, the third connecting part is provided with a fifth connecting hole for passing the second connecting member, the fourth connecting part is provided with a sixth connecting hole, and the sixth connecting hole is connected to the fifth connecting hole; the number of the sixth connecting holes is adapted to the number of the fifth connecting holes.

[0027] Compared with the prior art, the present invention has the following advantages:

[0028] The electric vehicle frame provided in the present application includes: a frame body, the frame body is provided with a first connecting part; a support frame, the support frame is provided with a second connecting part; a first connecting member, the second connecting part and the first connecting part are detachably connected through the first connecting member; the support frame is also provided with a third connecting part; a saddle connecting frame, the saddle connecting frame is provided with a fourth connecting part; a second connecting member, the third connecting part and the fourth connecting part are detachably connected through the second connecting member.

[0029] The various components of the electric vehicle frame adopt a modular design, and the disassembly and assembly operations are simple and convenient, avoiding the influence of different workers' welding skills. Compared with the existing electric vehicle frames that are assembled mainly by welding, it can effectively reduce assembly errors. The various parts of the frame can also be disassembled separately for replacement and maintenance, which is conducive to reducing maintenance costs. They can also be transported separately when assembled in different locations, thereby improving transportation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the specific implementation methods of the present application or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the specific implementation methods or the description of the prior art. Obviously, the drawings described below are some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0031] Figure 1 A schematic structural diagram of an electric vehicle frame provided in an embodiment of the present application;

[0032] Figure 2A schematic structural diagram of a frame body of an electric vehicle frame provided in an embodiment of the present application;

[0033] Figure 3 Another structural schematic diagram of the frame body of the electric vehicle frame provided in an embodiment of the present application;

[0034] Figure 4 A schematic diagram of a support frame for an electric vehicle frame provided in an embodiment of the present application;

[0035] Figure 5 A schematic diagram of a partial structure of a support frame of an electric vehicle frame provided in an embodiment of the present application;

[0036] Figure 6 A schematic structural diagram of the saddle connecting frame of an electric vehicle frame provided in an embodiment of the present application.

[0037] Reference numerals:

[0038] 1-frame body, 101-main frame, 1011-arc-shaped support plate, 1012-reinforcement rib, 102-first mounting portion, 103-second mounting portion, 1031-first beam member, 1032-second beam member, 104-first connecting portion, 1041-first connecting platform, 1042-second connecting platform, 1043-first connecting hole, 1044-second connecting hole, 105-battery compartment, 1051-first rib member, 1052-second rib member, 2-support frame, 20 1-first bracket, 2011-first longitudinal beam, 2012-second longitudinal beam, 2013-reinforced cross beam, 202-second bracket, 203-second connecting portion, 2031-first fixing piece, 20311-first plate portion, 20312-second plate portion, 20313-third connecting hole, 2032-second fixing piece, 204-third connecting portion, 2041-hollow portion, 2042-fifth connecting hole, 3-saddle connecting frame, 301-fourth connecting portion, 302-sixth connecting hole. DETAILED DESCRIPTION

[0039] The technical solution of the present application will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0040] The components of the embodiments of the present application generally described and shown in the drawings herein may be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the present application.

[0041] Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of this application.

[0042] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this application and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0043] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0044] Refer to the following Figures 1 to 6 The electric vehicle frame according to the embodiment of the present application is described.

[0045] See also Figures 1 to 6 As shown, an embodiment of the present application provides an electric vehicle frame, which includes: a frame body 1, a support frame 2, a saddle connecting frame 3, a first connecting member and a second connecting member, wherein the frame body 1 and the support frame 2 are detachably connected by the first connecting member, and the frame body 1 and the saddle connecting frame 3 are detachably connected by the second connecting member, so that the electric vehicle frame can be disassembled and assembled, and the various components of the electric vehicle frame adopt a modular design, and the disassembly and assembly operations are simple and convenient, avoiding the influence of different workers' welding skills. Compared with the existing electric vehicle frame assembled mainly by welding, it can effectively reduce assembly errors, and each part of the frame can also be disassembled separately for replacement and maintenance, which is conducive to reducing maintenance costs. It can also be transported separately when assembled in different places, thereby improving transportation efficiency.

[0046] Specifically, the frame body 1 includes a main frame body 101, a first mounting portion 102 is provided at one end of the main frame body 101, and a second mounting portion 103 is provided at the other end of the main frame body 101. The first mounting portion 102 is cylindrical. Preferably, the first mounting portion 102 is arranged at an angle. From bottom to top, the upper end of the first mounting portion 102 is inclined toward the body or face of the driver in the riding state, so that the first mounting portion 102 is convenient for connecting the front wheel assembly of the electric vehicle. It should be noted that the front wheel assembly here includes a front fork, a front wheel, etc. The second mounting portion 103 includes a first beam member 1031 and a second beam member 1032. The first beam member 1031 and the second beam member 1032 are spaced apart. Preferably, the first beam member 1031 and the second beam member 1032 have the same structure and are symmetrically arranged. The lengths of the first beam member 1031 and the second beam member 1032 both extend along the length direction of the electric vehicle body. The second mounting portion 103 is used to connect the rear wheel assembly of the electric vehicle. It should be noted that the rear wheel assembly here includes the rear wheel of the electric vehicle and also includes the kickstand and other parts of the electric vehicle. At the same time, the second mounting portion 103 is also used to install the support frame 2. The main frame 101 is provided with a battery compartment 105 for accommodating batteries in the portion between the first mounting portion 102 and the second mounting portion 103.

[0047] Furthermore, the frame body 1 also includes a first connecting portion 104, which is used to connect to the support frame 2 and is disposed on the second mounting portion 103. The first connecting portion 104 includes a first connecting platform 1041 and a second connecting platform 1042 having identical structures. The first connecting platform 1041 is disposed on the first beam member 1031, or the first connecting platform 1041 is a portion of the first beam member 1031, and the second connecting platform 1042 is disposed on the second beam member 1032, or the second connecting platform 1042 is a portion of the second beam member 1032. The first connecting platform 1041 is provided with a first connecting hole 1043 for receiving a first connecting member, and the second connecting platform 1042 is provided with a second connecting hole 1044 for receiving the first connecting member. It should be noted that the number of the first connection holes 1043 and the number of the second connection holes 1044 are both at least one. When the number of the first connection holes 1043 is more than one, all the first connection holes 1043 are spaced apart along the length direction of the first connection platform 1041. Similarly, when the number of the second connection holes 1044 is more than one, all the second connection holes 1044 are spaced apart along the length direction of the second fixed platform.

[0048] Furthermore, the main frame 101 includes a curved support plate 1011 and reinforcing ribs 1012. The curved support plate 1011 is located at the bottom end of the first mounting portion 102. The curved support plate 1011 is a polygonal curved plate that provides good support. When the rider is riding, the upper surface of the curved support plate 1011 faces the rider's legs, while the lower surface of the curved support plate 1011 faces the ground. Multiple reinforcing ribs 1012 are provided on the lower surface of the curved support plate 1011 to enhance the structural strength of the curved support plate 1011. Preferably, the multiple reinforcing ribs 1012 extend in at least two directions, so that the multiple reinforcing ribs 1012 are staggeredly distributed on the curved support plate 1011, further strengthening the strength of the curved support plate 1011 and improving the deformation and impact resistance of the main frame 101.

[0049] The portion between the curved support plate 1011 of the main frame 101 and the second mounting portion 103 forms a battery compartment 105. Preferably, the battery compartment 105 has a hollow frame structure that can not only meet the requirements for accommodating, installing, and carrying the battery, but also can promptly evacuate the heat generated during the battery charging and discharging process to prevent heat accumulation. The battery compartment 105 includes a first rib member 1051 and a second rib member 1052, wherein the first rib member 1051 has an L-shaped structure, one end of the first rib member 1051 is connected to the curved support plate 1011, and the other end of the first rib member 1051 extends toward the second mounting portion 103. Preferably, the first rib member 1051 and the curved support plate 1011 have an integral structure. There are multiple second rib members 1052. Preferably, each second rib member 1052 has an L-shaped structure. The multiple second rib members 1052 are divided into two parts and distributed on both sides of the first rib member 1051. The multiple second rib members 1052 are arranged at intervals along the length direction of the first rib member 1051. One end of the second rib member 1052 is connected to the main frame 101, and the other end of the second rib member 1052 is connected to the first rib member 1051, so that the multiple second rib members 1052 and the first rib member 1051 are arranged in a fishbone shape. Preferably, the main frame 101, the multiple second rib members 1052 and the first rib member 1051 are integrally processed and formed to form a battery compartment 105 with a frame structure.

[0050] Furthermore, the support frame 2 includes a first bracket 201 and a second bracket 202, and the first bracket 201 and the second bracket 202 are spaced apart along the width direction of the body of the electric vehicle. Preferably, the first bracket 201 and the second bracket 202 have the same structure and are symmetrically arranged. The lengths of the first bracket 201 and the second bracket 202 both extend along the height direction of the electric vehicle or approximately along the height direction of the electric vehicle. The support frame 2 includes a second connecting portion 203 for connecting to the first connecting portion 104, and the second connecting portion 203 is arranged at the bottom end of the first bracket 201 and the bottom end of the second bracket 202. In addition, the support frame 2 also includes a third connecting portion 204 for connecting to the saddle connecting frame 3, and the third connecting portion 204 is arranged at the upper end of the first bracket 201 and the upper end of the second bracket 202.

[0051] Taking the first bracket 201 as an example, the first bracket 201 includes a first longitudinal beam 2011, a second longitudinal beam 2012, and a reinforcing crossbeam 2013. The first longitudinal beam 2011 and the second longitudinal beam 2012 are spaced apart in opposite directions along the length of the first connecting platform 1041. The first longitudinal beam 2011 and the second longitudinal beam 2012 are connected by the reinforcing crossbeam 2013, ensuring that the first bracket 201 has sufficient load-bearing capacity. The structure of the second bracket 202 is the same as that of the first bracket 201. The specific structure of the second bracket 202 can be referred to the above description of the first bracket 201. Those skilled in the art will fully understand the same content and will not be repeated here.

[0052] Furthermore, the second connecting portion 203 includes a first fixing member 2031 and a second fixing member 2032. The first fixing member 2031 is disposed at the bottom end of the first bracket 201, and the bottom ends of the first longitudinal beam 2011 and the bottom ends of the second longitudinal beam 2012 are respectively connected to the first fixing member 2031. The second fixing member 2032 is disposed at the bottom end of the second bracket 202, and the bottom ends of both longitudinal beams of the second fixing member 2032 are simultaneously connected to the second fixing member 2032.

[0053] The first fixing member 2031 includes: a first plate portion 20311 and a second plate portion 20312. The first plate portion 20311 and the second plate portion 20312 are arranged at an angle. Preferably, the first plate portion 20311 and the second plate portion 20312 are arranged perpendicularly. The first plate portion 20311 is affixed to and connected to the upper surface of the first connecting platform 1041, and the second plate portion 20312 is affixed to one side surface of the first connecting platform 1041, so that after the first plate portion 20311 and the first connecting platform 1041 are connected, the second plate portion 20312 can be mutually engaged with the first connecting platform 1041, thereby strengthening the connection strength between the first bracket 201 and the first connecting platform 1041, and further strengthening the connection strength and stability of the first bracket 201 and the frame body 1.

[0054] The first plate portion 20311 is provided with third connecting holes 20313, and the number of the third connecting holes 20313 is the same as the number of the first connecting holes 1043 and corresponds one to one, so that the first connecting member can pass through the first connecting hole 1043 and the third connecting hole 20313, thereby completing the connection and fixation of the first plate portion 20311 and the first connecting platform 1041.

[0055] Correspondingly, the second fixing member 2032 includes a third plate portion and a fourth plate portion. The specific arrangement of the third plate portion and the fourth plate portion can refer to the above-mentioned relevant description about the first fixing member 2031, which can be fully understood by those skilled in the art. At the same time, the third plate portion is provided with a fourth connecting hole for passing the first connecting member. The number of the fourth connecting holes is the same as the number of the second connecting holes 1044 and corresponds one to one, so as to connect the second fixing member 2032 with the second connecting platform 1042.

[0056] It should be noted that, in this embodiment, the first connecting member and the second connecting member described below are both bolts equipped with locking nuts (not shown in the figures).

[0057] Furthermore, the upper end of the first bracket 201 and the upper end of the second bracket 202 are both provided with a third connecting portion 204 for connecting to the saddle connecting frame 3. Taking the first bracket 201 as an example, the number of the third connecting portions 204 on the first bracket 201 is two, the upper end of the first longitudinal beam 2011 is provided with a third connecting portion 204, and the upper end of the second longitudinal beam 2012 is provided with another third connecting portion 204. Preferably, the transverse dimension of the third connecting portion 204 is greater than the transverse dimension of the first longitudinal beam 2011. The third connecting portion 204 includes: a hollow portion 2041 and a portion provided at The fifth connecting hole 2042 on the upper surface of the third connecting part 204 and the hollow part 2041 are connected to the fifth connecting hole 2042, and the hollow part 2041 passes through the two side walls of the first longitudinal beam 2011. The second connecting member can pass through the fifth connecting hole 2042 and be inserted into the hollow part 2041. Preferably, the end cap of the second connecting member can be set in the hollow part 2041, and the part of the second connecting member that passes through the hollow part 2041 is connected to the fourth connecting part 301 and is locked with a matching locking nut, thereby connecting the first bracket 201 to the saddle connecting member.

[0058] Correspondingly, the structure of the third connecting part 204 at the upper end of the second bracket 202 and the connection method with the fourth connecting part 301 are the same as the structure of the third connecting part 204 on the above-mentioned first bracket 201 and the connection method with the fourth connecting part 301. Those skilled in the art can fully understand it and will not be repeated here.

[0059] Furthermore, the saddle connecting frame 3 has a frame structure, and a local downward depression of the saddle connecting frame 3 forms a fourth connecting portion 301. The number of the fourth connecting portions 301 is the same as the total number of the third connecting portions 204 on the first bracket 201 and the second bracket 202 and is arranged one by one. Each third connecting portion 204 is connected to a corresponding fourth connecting portion 301 through a second connecting member.

[0060] The fourth connecting portion 301 is provided with a sixth connecting hole 302 that can communicate with the fifth connecting hole 2042, so that the second connecting member can pass through the fifth connecting hole 2042 and the sixth connecting hole 302 in sequence to connect the fourth connecting portion 301 with the third connecting portion 204, thereby connecting the first bracket 201 and the second bracket 202 to different fourth connecting portions 301, respectively, to achieve the connection and fixation of the support frame 2 and the saddle connecting frame 3, and the locking nut used in conjunction with the second connecting member can be located in the downwardly recessed fourth connecting portion 301 to avoid affecting the installation of the vehicle seat on the saddle connecting frame 3. Of course, the electric vehicle frame provided in this embodiment can also set the end cap of the second connecting member on the fourth connecting portion 301 and the locking nut in the hollow portion 2041, which can also complete the connection between the support frame 2 and the saddle connecting frame 3.

[0061] To sum up, the various components of the electric vehicle frame adopt a modular design, and the disassembly and assembly operations are simple and convenient, avoiding the influence of different workers' welding skills. Compared with the existing electric vehicle frames that are assembled mainly by welding, it can effectively reduce assembly errors. The various parts of the frame can also be disassembled separately for replacement and maintenance, which is conducive to reducing maintenance costs. They can also be transported separately when assembled in different locations, thereby improving transportation efficiency.

[0062] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An electric vehicle frame, characterized in that: include: A vehicle frame body, wherein the vehicle frame body is provided with a first connecting portion; A support frame, wherein the support frame is provided with a second connecting portion; a first connecting member, wherein the second connecting portion is detachably connected to the first connecting portion via the first connecting member; and the support frame is further provided with a third connecting portion; a saddle connecting frame, wherein the saddle connecting frame is provided with a fourth connecting portion; A second connecting member, wherein the third connecting portion and the fourth connecting portion are detachably connected via the second connecting member.

2. The electric vehicle frame according to claim 1, characterized in that: The frame body is further provided with a first mounting portion and a second mounting portion; the first mounting portion is used to connect the front wheel assembly of the electric vehicle, and the second mounting portion is used to connect the rear wheel assembly of the electric vehicle; The second connecting portion is disposed on the second mounting portion.

3. The electric vehicle frame according to claim 2, characterized in that: The frame body further includes a battery compartment, and the battery compartment is arranged between the first mounting portion and the second mounting portion.

4. The electric vehicle frame according to claim 3, characterized in that: The frame body further includes: an arc-shaped support plate, the arc-shaped support plate being arranged between the first mounting portion and the battery compartment; The reinforcing ribs are arranged on the arc-shaped support plate.

5. The electric vehicle frame according to claim 4, characterized in that: The battery compartment has a frame structure, and includes a first rib member and a second rib member. The first rib member has an L-shaped structure, and one end of the first rib member is connected to the arc-shaped support plate. There are a plurality of second rib members, one end of each second rib member is connected to the vehicle frame, and the other end of each second rib member is connected to the first rib member.

6. The electric vehicle frame according to claim 1, characterized in that: The support frame comprises: a first bracket, wherein the first connecting portion includes a first connecting platform and a second connecting platform spaced apart from each other, and the first bracket is detachably connected to the first connecting platform; a second bracket, the second bracket being detachably connected to the second connecting platform; The first connection platform is provided with a first connection hole, and the number of the first connection hole is at least one; the second connection platform is provided with a second connection hole, and the number of the second connection hole is at least one.

7. The electric vehicle frame according to claim 6, characterized in that: The second connecting portion includes: a first fixing member, the first fixing member being disposed on the first bracket, the first fixing member being provided with third connecting holes, the number of the third connecting holes being adapted to the number of the first connecting holes, each of the third connecting holes being connected to one of the first connecting holes via one of the first connecting members; A second fixing member, the second fixing member is arranged on the second bracket, the second fixing member is provided with fourth connecting holes, the number of the fourth connecting holes is adapted to the number of the second connecting holes, and each of the second connecting holes is connected to one of the fourth connecting holes through one of the first connecting members.

8. The electric vehicle frame according to claim 7, characterized in that: The first fixing member includes a first plate portion and a second plate portion, the first plate portion and the second plate portion are arranged at an angle, and the first plate portion and the second plate portion are respectively in contact with different side walls of the first connecting platform; The second fixing member includes a third plate portion and a fourth plate portion, the third plate portion and the fourth plate portion are arranged at an angle, and the third plate portion and the fourth plate portion are respectively fitted with different side walls of the second connecting platform.

9. The electric vehicle frame according to claim 7, characterized in that: The third connecting portion is provided at one end of the first bracket away from the first fixing member, and the third connecting portion is further provided at one end of the second bracket away from the second fixing member. The third connecting portion is connected to the saddle connecting frame through the second connecting member.

10. The electric vehicle frame according to any one of claims 1 to 9, characterized in that: The saddle connecting frame has a frame structure, the third connecting part is provided with a fifth connecting hole for passing the second connecting member, the fourth connecting part is provided with a sixth connecting hole, and the sixth connecting hole is connected to the fifth connecting hole; the number of the sixth connecting holes is adapted to the number of the fifth connecting holes.

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