Frame and two-wheeled electric vehicle

Abstract

The frame is used for the two-wheeled electric vehicle and comprises a vehicle body and a motor, the motor is fixedly connected with the vehicle body, the motor is a force bearing component of the frame, and the weight of the two-wheeled electric vehicle is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of two-wheeled electric vehicles, in particular to a vehicle frame and a two-wheeled electric vehicle. Background Art

[0002] At present, two-wheeled electric vehicles provide users with convenient travel with compact bodies and appropriate speeds, and are loved by a large number of users. In the prior art, the motor of a two-wheeled electric vehicle provides driving force for the entire vehicle, but the motor does not serve as a load-bearing component of the frame. The two-wheeled electric vehicle needs to be equipped with a lot of space to install more load-bearing components, which increases the weight of the entire vehicle. Utility Model Content

[0003] The utility model aims to provide a frame and a two-wheeled electric vehicle to solve the problem that an additional load-bearing component increases the weight of the two-wheeled electric vehicle.

[0004] In order to achieve the purpose of the utility model, the utility model provides the following technical solutions:

[0005] In a first aspect, the utility model provides a frame, which is used for a two-wheeled electric vehicle, comprising:

[0006] Car body;

[0007] A motor is connected and fixed to the vehicle body, and the motor is a load-bearing component of the vehicle frame.

[0008] In one embodiment, the vehicle body includes a support beam, the motor includes a shell and a body, the body is accommodated in the shell, one end of the support beam is fixedly connected to the shell, and the other end of the support beam is used for rotational connection with the front fork.

[0009] In one embodiment, the housing includes a first side plate and a second side plate that are arranged opposite to each other, and a gap is provided between the first side plate and the second side plate, and the gap accommodates the body.

[0010] In one embodiment, the support beam includes a connecting portion, which is arranged at one end of the support beam close to the motor, a first matching hole is opened on the first side panel, and a second matching hole is opened on the second side panel. The frame also includes a fastener, which is passed through the first matching hole and the second matching hole and connected to the connecting portion.

[0011] In one embodiment, there are multiple first mating holes, which are spaced apart from each other; there are multiple second mating holes, which are spaced apart from each other; there are multiple fasteners, each of which is correspondingly mated with one first mating hole and one second mating hole.

[0012] In one embodiment, the vehicle body further comprises a rear flat fork, the rear flat fork is rotatably connected to both the first side plate and the second side plate, and a connection position between the rear flat fork and the support beam on the outer shell is spaced apart.

[0013] In one embodiment, an angle A is formed between the rear flat fork and the support beam, satisfying: 30°≤A≤150°.

[0014] In one embodiment, the two-wheeled electric vehicle further includes a shock absorber, one end of the shock absorber is connected to the support beam, and the other end of the shock absorber is connected to the rear fork.

[0015] In one embodiment, the orthographic projections of the support beam, the rear fork, and the shock absorber in the width direction of the frame form a polygon.

[0016] In a second aspect, the utility model further provides a two-wheeled electric vehicle, comprising a battery and a vehicle frame as described in the first aspect, wherein the vehicle body encloses a receiving cavity, the receiving cavity accommodates the battery, and the battery is electrically connected to the motor.

[0017] By setting up a body and a motor, the motor is connected and fixed to the body, and the motor is a load-bearing component of the frame. The motor can serve as a load-bearing component and provide driving force for the two-wheeled electric vehicle, thereby reducing the load-bearing components of the frame and reducing the weight of the two-wheeled electric vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 The exploded structure diagram of a two-wheeled electric vehicle according to an embodiment of the present invention.

[0020] Description of reference numerals:

[0021] 10-frame, 11-support beam, 111-connecting member, 112-connecting portion, 1121-assembly hole, 12-motor, 121-gear, 122-assembly groove, 1221-first side plate, 1222-second side plate, 1223-first matching hole, 1224-second matching hole, 13-battery, 14-rear fork, 141-first rod, 142-second rod, 143-third rod, 144 -first mounting part, 1441-first through hole, 145-second mounting part, 1451-second through hole, 146-third mounting part, 147-fourth mounting part, 15-pedal, 151-groove, 152-connecting rod, 153-plate, 16-shock absorber, 17-connecting hole, 20-bracket, 201-first sub-bracket, 202-second sub-bracket, 30-housing, 31-body, 32-connecting through hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there can be a central component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there can be a central component at the same time.

[0024] Unless otherwise defined, all technical and scientific terms used in this utility model have the same meaning as those commonly understood by technicians in the technical field of this utility model. The terms used in the specification of this utility model are only for the purpose of describing specific embodiments and are not intended to limit this utility model. The term "and / or" used in this utility model includes any and all combinations of one or more related listed items.

[0025] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0026] At present, two-wheeled electric vehicles provide users with convenient travel with compact bodies and appropriate speeds, and are loved by a large number of users. In the prior art, the motor 12 of the two-wheeled electric vehicle provides driving force for the entire vehicle, but the motor 12 does not serve as a load-bearing component of the frame 10. The two-wheeled electric vehicle needs to be provided with a lot of space to install more load-bearing components, which increases the weight of the entire vehicle.

[0027] The utility model embodiment provides a frame 10, please refer to Figure 1 The frame 10 is used for a two-wheeled electric vehicle, and includes a body and a motor 12 .

[0028] The body can be made of materials such as steel, iron, titanium alloy, carbon fiber and aluminum alloy, and the present invention does not limit this. Optionally, the shape of the body can be polygonal, circular, elliptical and irregular. Optionally, the shape of the body can be, but is not limited to, quadrilateral, pentagon, hexagon, octagon, circular and elliptical.

[0029] The motor 12 is connected and fixed to the vehicle body, and the motor 12 is a load-bearing member of the frame 10. Specifically, the motor 12 is a load-bearing member of the frame 10, which can reduce the load-bearing member of the two-wheeled electric vehicle, thereby reducing the weight of the two-wheeled electric vehicle, increasing the control flexibility of the two-wheeled electric vehicle, and increasing the endurance of the two-wheeled electric vehicle. In addition, since the number of vehicle parts of the two-wheeled electric vehicle is reduced, the installation steps of the two-wheeled electric vehicle are reduced. Optionally, the motor 12 can be a brushed DC motor, a brushless DC motor, a permanent magnet synchronous motor, an induction motor, a switched reluctance motor, a synchronous reluctance motor, and an axial flux coreless permanent magnet motor. Preferably, the motor 12 is a permanent magnet synchronous motor or an induction asynchronous motor. Optionally, a gear 121 is installed in the motor 12, and the gear 121 is indirectly connected to the rear wheel of the two-wheeled electric vehicle to drive the rear wheel to rotate.

[0030] By setting up the body and the motor 12, the motor 12 is connected and fixed to the body, and the motor 12 is a load-bearing component of the frame 10. The motor 12 can serve as a load-bearing component and provide driving force for the two-wheeled electric vehicle, reducing the load-bearing components of the frame 10, thereby reducing the weight of the two-wheeled electric vehicle.

[0031] In one embodiment, please refer to Figure 1 The vehicle body includes a support beam 11, and the motor 12 includes a shell 30 and a body 31. The body 31 is accommodated in the shell 30. One end of the support beam 11 is fixedly connected to the shell 30, and the other end of the support beam 11 is used for rotationally connecting with the front fork.

[0032] Optionally, the shape of the housing 30 may be polygonal, circular, elliptical, irregular, etc.

[0033] Optional, please refer to Figure 1 A connecting piece 111 is provided at one end of the support beam 11 away from the motor 12 . The connecting piece 111 is welded to the support beam 11 , and the front fork is connected to the connecting piece 111 .

[0034] Optionally, the vehicle body includes a front fork, and the front fork is rotatably connected to an end of the support beam 11 away from the motor 12.

[0035] Optionally, the front fork plays a supporting and shock-absorbing role for the two-wheeled electric vehicle. It can absorb and disperse the impact and pressure from the road, reduce the bumpy feeling, make the user's riding more stable and comfortable, improve the controllability and stability of the two-wheeled electric vehicle, and improve the user's riding experience.

[0036] Specifically, the support beam 11 strengthens the structure of the two-wheeled electric vehicle and increases various connections required for installation.

[0037] In one embodiment, please refer to Figure 1 The housing 30 includes a first side plate 1221 and a second side plate 1222 that are arranged opposite to each other. There is a gap between the first side plate 1221 and the second side plate 1222, and the gap accommodates the body 31.

[0038] Optionally, the shape of the first side plate 1221 may be polygonal, circular, elliptical, irregular, etc. The shape of the second side plate 1222 may be polygonal, circular, elliptical, irregular, etc. Optionally, the body 31 includes a rotating shaft, which drives the gear 121 to rotate.

[0039] Specifically, the housing 30 provides the housing 31 with a space required for installation, and also adds various connections required for installation.

[0040] In one embodiment, please refer to Figure 1 The support beam 11 includes a connecting portion 112, which is arranged at one end of the support beam 11 close to the motor 12. A first matching hole 1223 is opened on the first side plate 1221, and a second matching hole 1224 is opened on the second side plate 1222. The frame 10 also includes a fastener, which is passed through the first matching hole 1223 and the second matching hole 1224 and is connected to the connecting portion 112.

[0041] Optionally, the connection part 112 protrudes from one end of the vehicle body, and the connection part 112 is provided with an assembly hole 1121, and the motor 12 is provided with an assembly slot 122 in the area close to the connection part 112, and the assembly slot 122 includes a first side plate 1221 and a second side plate 1222, and the first side plate 1221 is provided with a first matching hole 1223, and the second side plate 1222 is provided with a second matching hole 1224, and the fastener is a bolt. When assembling the two-wheeled electric vehicle, the connection part 112 extends into the assembly slot 122, and the bolt passes through the first matching hole 1223, the assembly hole 1121, and the second matching hole 1224 in sequence, so that the vehicle body and the motor 12 are connected and fixed.

[0042] Optionally, the number of assembly holes 1121 is multiple, the number of first matching holes 1223 is multiple, the number of second matching holes 1224 is multiple, the number of bolts is multiple, and the number of assembly holes 1121, the number of first matching holes 1223, the number of second matching holes 1224 and the number of bolts are the same.

[0043] Optionally, the plurality of assembly holes 1121 are arranged at intervals, the plurality of first matching holes 1223 are arranged at intervals, and the plurality of second matching holes 1224 are arranged at intervals.

[0044] Optionally, the plurality of assembly holes 1121 are arranged at equal intervals, the plurality of first matching holes 1223 are arranged at equal intervals, and the plurality of second matching holes 1224 are arranged at equal intervals.

[0045] Optionally, the cross-sectional shape of the first matching hole 1223 may be a polygon, a circle, an ellipse, an irregular shape, etc. Optionally, the cross-sectional shape of the first matching hole 1223 may be, but not limited to, a quadrilateral, a pentagon, a hexagon, an octagon, a circle, an ellipse, etc. Optionally, the cross-sectional shape of the second matching hole 1224 may be, but not limited to, a quadrilateral, a pentagon, a hexagon, an octagon, a circle, an ellipse, etc. Optionally, the cross-sectional shape of the second matching hole 1224 may be, but not limited to, a quadrilateral, a pentagon, a hexagon, an octagon, a circle, an ellipse, etc.

[0046] It should be noted that, optionally, the connection method between the support beam 11 and the motor 12 can also be a snap connection, a riveted connection, a welding connection, etc., which is not limited by the present invention. Optionally, the connection method between the support beam 11 and the motor 12 is brazing, using a metal material with a lower melting point than the support beam 11 and the motor 12 as a brazing material, heating the support beam 11, the motor 12 and the brazing material to a temperature higher than the melting point of the brazing material and lower than the melting point of the support beam 11 and the motor 12, and using liquid brazing material to wet the support beam 11 and the motor 12, filling the interface gap and achieving mutual diffusion between atoms with the support beam 11 and the motor 12, thereby achieving welding. The welding connection method is simple to operate, has few restrictions on the shape of the support beam 11 and the shape of the motor 12, and has a stable connection.

[0047] In one embodiment, please refer to Figure 1 There are multiple first matching holes 1223, which are spaced apart from each other; there are multiple second matching holes 1224, which are spaced apart from each other; there are multiple fasteners, which are each matched with a first matching hole 1223 and a second matching hole 1224 respectively.

[0048] Specifically, the above-mentioned arrangement of the fastener, the first matching hole 1223 and the second matching hole 1224 improves the connection stability level between the support beam 11 and the motor 12 .

[0049] Optionally, the number of the first matching holes 1223 may be 2 to 6. Optionally, the number of the second matching holes 1224 may be 2 to 6. Optionally, the number of the fasteners may be 2 to 6. The number of the first matching holes 1223, the number of the second matching holes 1224 and the number of the fasteners are all the same. Optionally, the number of the first matching holes 1223 may be, but not limited to, 2, 3 and 6, etc. Optionally, the number of the second matching holes 1224 may be, but not limited to, 2, 3 and 6, etc. Optionally, the number of the fasteners may be, but not limited to, 2, 3 and 6, etc.

[0050] Optionally, the plurality of first matching holes 1223 are arranged at equal intervals. Optionally, the plurality of second matching holes 1224 are arranged at equal intervals.

[0051] Optional, please refer to Figure 1 The first matching hole 1223 is a threaded hole, the second matching hole 1224 is a threaded hole, and the fastener is a bolt. Optionally, the fastener may be, but is not limited to, a hexagonal head bolt, a round head bolt, and a square bolt.

[0052] Optionally, the frame 10 further includes a bracket 20, which is connected to one end of the support beam 11 close to the motor 12, and the shape of the bracket 20 is "V". Optionally, the bracket 20 includes a first sub-bracket 201 and a second sub-bracket 202, the shape of the first sub-bracket 201 is "V", both ends of the first sub-bracket 201 are connected to the support beam 11, the shape of the second sub-bracket 202 is "V", both ends of the second sub-bracket 202 are connected to the support beam 11, and the first sub-bracket 201 and the second sub-bracket 202 cooperate to form the bracket 20. Optionally, the frame 10 can be made of materials such as steel, iron, titanium alloy, carbon fiber and aluminum alloy.

[0053] It should be noted that, optionally, the connection method between the support beam 11 and the bracket 20 can be a snap connection, a riveted connection, a welding connection, etc., which is not limited by the present utility model. Optionally, the connection method between the support beam 11 and the bracket 20 is brazing, using a metal material with a lower melting point than the support beam 11 and the bracket 20 as a brazing material, heating the support beam 11, the bracket 20 and the brazing material to a temperature higher than the melting point of the brazing material and lower than the melting point of the support beam 11 and the bracket 20, and using liquid brazing material to wet the support beam 11 and the bracket 20, filling the interface gap and achieving mutual diffusion between atoms with the support beam 11 and the bracket 20, thereby achieving welding. The welding connection method is simple to operate, has few restrictions on the shape of the support beam 11 and the shape of the bracket 20, and has a stable connection. Optionally, the outer surface of the bracket 20 is polished, and the polishing method can be fluid polishing, mechanical polishing, ultrasonic polishing, chemical polishing, electrolytic polishing, etc.

[0054] In one embodiment, please refer to Figure 1 The vehicle body further includes a rear flat fork 14, which is rotatably connected to both the first side plate 1221 and the second side plate 1222, and a connection position between the rear flat fork 14 and the support beam 11 on the housing 30 is spaced apart.

[0055] Optionally, the vehicle frame 10 further includes a rear wheel, and the rear wheel is circular in shape.

[0056] Optional, please refer to Figure 1 The rear fork 14 is U-shaped, and the rear wheel is installed in the fork, which can ensure that the wheel will not deviate during the travel, and the two-wheeled electric vehicle can travel smoothly.

[0057] Optional, please refer to Figure 1 The rear flat fork 14 includes a first rod 141 and a second rod 142 that are arranged opposite to each other, and a third rod 143 that connects the first rod 141 and the second rod 142. Optionally, the axis of the third rod 143 forms a first angle with the axis of the first rod 141, and the angle range of the first angle is 30 degrees to 150 degrees. Optionally, the angle of the first angle can be, but not limited to, 30 degrees, 90 degrees, and 150 degrees. Optionally, the axis of the second rod 142 forms a second angle with the axis of the third rod 143, and the angle range of the second angle is 30 degrees to 150 degrees. Optionally, the angle of the second angle can be, but not limited to, 30 degrees, 90 degrees, and 150 degrees.

[0058] Optional, please refer to Figure 1 A first mounting portion 144 and a second mounting portion 145 are provided at one end of the rear fork 14, the first mounting portion 144 is rotatably connected to the first side plate 1221 of the motor 12, and the second mounting portion 145 is connected to the second side plate 1222 of the motor 12. Optionally, the first mounting portion 144 is provided with a first through hole 1441, the second mounting portion 145 is provided with a second through hole 1451, the housing 30 is provided with a connecting through hole 32, and the frame 10 includes a matching bolt, which is passed through the first through hole 1441, the connecting through hole 32, and the second through hole 1451, so as to tightly connect the rear fork 14 and the motor 12.

[0059] Optionally, the other end of the rear fork 14 is provided with a third mounting portion 146 and a fourth mounting portion 147, and the third mounting portion 146 and the fourth mounting portion 147 are both rotatably connected to the wheel. Optionally, the first mounting portion 144 and the third mounting portion 146 are respectively connected to the two ends of the first rod 141, and the second mounting portion 145 and the fourth mounting portion 147 are respectively connected to the two ends of the second rod 142.

[0060] Optionally, the rear flat fork 14 can be made of materials such as steel, iron, titanium alloy, carbon fiber and aluminum alloy.

[0061] Specifically, the rear fork 14 is used to fix the rear wheel, bear the weight of the entire vehicle, bear the power of driving the rear wheel and the pulling force when braking the rear wheel, and maintain the stability of the vehicle body.

[0062] In one embodiment, please refer to Figure 1 There is an angle A between the rear flat fork 14 and the support beam 11, which satisfies: 30°≤A≤150°.

[0063] Optionally, A may be, but is not limited to, 30°, 120°, and 150°. Specifically, the setting of A increases the flexibility of the setting between the rear fork 14 and the support beam 11.

[0064] In one embodiment, please refer to Figure 1 The two-wheeled electric vehicle further includes a shock absorber 16 , one end of which is connected to the support beam 11 , and the other end of which is connected to the rear fork 14 .

[0065] Optionally, the shock absorber 16 may be, but is not limited to, a telescopic tube hydraulic shock absorber 16, a rocker arm shock absorber 16, a rocker arm lever shock absorber 16, etc. Optionally, please refer to Figure 1 The angle formed by the axis of the shock absorber 16 and the axis of the support beam 11 is in the range of 30 to 150 degrees. Optionally, the angle formed by the axis of the shock absorber 16 and the axis of the rear fork 14 is in the range of 30 to 150 degrees.

[0066] Specifically, the shock absorber 16 is used to reduce the bumpy feeling brought to the user by the bumpy road surface.

[0067] In one embodiment, please refer to Figure 1 The orthographic projections of the support beam 11, the rear fork 14 and the shock absorber 16 in the width direction of the frame 10 form a polygon.

[0068] Optionally, the orthographic projections of the support beam 11 , the rear fork 14 and the shock absorber 16 in the width direction of the frame 10 are connected to each other to form a triangle.

[0069] Optionally, the orthographic projections of the support beam 11 , the rear fork 14 and the shock absorber 16 in the width direction of the frame 10 are connected to each other to form an obtuse triangle.

[0070] Optionally, the above-mentioned arrangement of the support beam 11 , the rear fork 14 and the shock absorber 16 improves the stability of the frame 10 .

[0071] Optional, please refer to Figure 1 The two-wheeled electric vehicle further includes a pedal 15 , which is connected to one end of the motor 12 away from the support beam 11 , and the pedal 15 is spaced apart from the rear fork 14 .

[0072] Optionally, the pedal 15 is in an "L" shape.

[0073] Optionally, one end of the pedal 15 is rotatably connected to the motor 12 , and the other end can rotate around the motor 12 .

[0074] Optional, please refer to Figure 1 The plate 153 is provided with a plurality of grooves 151, which are arranged at intervals. When a user steps on the plurality of grooves 151, the plurality of grooves 151 can play an anti-slip role. Optionally, the plurality of grooves 151 are arranged at equal intervals.

[0075] Optionally, the pedal 15 includes a connecting rod 152 and a plate 153, the connecting rod 152 includes a first end and a second end, the first end of the connecting rod 152 is rotatably connected to the motor 12, and the second end of the connecting rod 152 is rotatably connected to the plate 153. Optionally, a connecting hole 17 is provided on the first end of the connecting rod 152, and the two-wheeled electric vehicle further includes a connecting bolt, which is passed through the connecting hole 17 and connected to the motor 12, thereby connecting and fixing the connecting rod 152 to the motor 12. Optionally, the plate 153 is provided with anti-slip textures to prevent the user from sliding when stepping on the plate 153, thereby improving the safety level of the vehicle.

[0076] Optionally, the pedal 15 can charge the motor 12 by rotating, or can be connected to the rear wheel of the two-wheeled electric vehicle to drive the rear wheel to rotate, which is not limited in the present invention.

[0077] Optional, please refer to Figure 1 , the pedal 15, the rear fork 14, and the vehicle body are spaced apart in the circumferential direction of the motor 12. Optionally, the pedal 15, the rear fork 14, and the vehicle body are spaced apart at the same angle in the circumferential direction of the motor 12. Optionally, the pedal 15, the rear fork 14, and the vehicle body are spaced apart at 120 degrees in the circumferential direction of the motor 12.

[0078] Optionally, the pedal 15 , the rear fork 14 , and the vehicle body are spaced apart from each other at different angles in the circumferential direction of the motor 12 .

[0079] Specifically, the above arrangement of the pedal 15, the rear fork 14 and the vehicle body improves the stability of the two-wheeled electric vehicle.

[0080] The embodiment of the utility model further provides a two-wheeled electric vehicle, comprising a battery 13 and the aforementioned frame 10 , wherein the vehicle body encloses a receiving cavity, the receiving cavity accommodates the battery 13 , and the battery 13 is electrically connected to the motor 12 .

[0081] Optionally, the battery 13 can be a lithium battery 13, a lead-acid battery 13, a lithium iron phosphate battery 13, a ternary lithium battery 13, etc.

[0082] Optionally, the outer surface of the vehicle body is polished, and the polishing method can be fluid polishing, mechanical polishing, ultrasonic polishing, chemical polishing and electrolytic polishing, etc. Optionally, the outer surface of the vehicle body is chemically polished, and the specific process is to use an oxidant solution to oxidize the outer surface of the vehicle body under certain conditions, and this oxide layer can gradually dissolve into the solution. The micro-protrusions on the outer surface of the vehicle body are oxidized faster and more, while the micro-concave parts are oxidized slowly and less. Similarly, the oxide layer at the protrusions spreads more and faster than everywhere, and dissolves in the solution, so that the outer surface of the vehicle body is gradually leveled, avoiding scratching other parts of other two-wheeled electric vehicles when installing the vehicle body, and damaging the functions of other parts. In addition, using chemical polishing to treat the outer surface of the vehicle body can avoid affecting the rigidity of the outer surface of the vehicle body, so that the outer surface of the vehicle body is smoothed and glossy, and dangerous situations such as scratching and stabbing fingers can be avoided during the installation process. This type of polishing is simple to operate and has high processing efficiency.

[0083] In the description of the embodiments of the present invention, it should be noted that the orientation or positional relationship of terms such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" are based on the orientation or positional relationship of the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0084] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the present invention still fall within the scope covered by the present invention.

Claims

1. A frame, characterized in that: The frame is used for a two-wheeled electric vehicle, comprising: Car body; A motor is connected and fixed to the vehicle body, and the motor is a load-bearing component of the vehicle frame.

2. The frame according to claim 1, characterized in that: The vehicle body comprises a support beam, the motor comprises a shell and a body, the body is accommodated in the shell, one end of the support beam is connected and fixed to the shell, and the other end of the support beam is used for rotational connection with the front fork.

3. The frame according to claim 2, characterized in that: The housing includes a first side plate and a second side plate that are arranged opposite to each other, and a gap is provided between the first side plate and the second side plate, and the gap accommodates the body.

4. The frame according to claim 3, characterized in that: The support beam includes a connecting portion, which is arranged at one end of the support beam close to the motor, a first matching hole is opened on the first side plate, and a second matching hole is opened on the second side plate. The frame also includes a fastener, which is passed through the first matching hole and the second matching hole and connected to the connecting portion.

5. The frame according to claim 4, characterized in that: There are multiple first matching holes, which are spaced apart from each other; there are multiple second matching holes, which are spaced apart from each other; there are multiple fasteners, each of which matches one first matching hole and one second matching hole accordingly.

6. The frame according to claim 3, characterized in that: The vehicle body further comprises a rear flat fork, which is rotatably connected to both the first side plate and the second side plate, and a connection position between the rear flat fork and the support beam on the shell is spaced apart.

7. The frame according to claim 6, characterized in that: An included angle A is formed between the rear flat fork and the support beam, satisfying: 30°≤A≤150°.

8. The frame according to claim 6, characterized in that: The two-wheeled electric vehicle also includes a shock absorber, one end of which is connected to the support beam, and the other end of which is connected to the rear flat fork.

9. The frame according to claim 8, characterized in that: The orthographic projections of the support beam, the rear fork and the shock absorber in the width direction of the frame form a polygon.

10. A two-wheeled electric vehicle, characterized in that: It comprises a battery and a frame as claimed in any one of claims 1 to 9, wherein the vehicle body encloses a receiving cavity, the receiving cavity accommodates the battery, and the battery is electrically connected to the motor.

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