Three-wheeled electric motorcycle

Abstract

The invention discloses an inverted three-wheeled electric motorcycle, comprising a frame, a suspension system and a driving system. The frame is provided with a driving position, and a control pedal is provided on the motorcycle corresponding to the driving position, and the control pedal is located within the range of the lateral projection of the front wheel of the motorcycle. The foot pedal used by the driver for control of the invention is located within the range of the lateral projection of the wheel, and the front space of the whole vehicle is reasonably utilized. Compared with the prior art, the control pedal is moved forward, thereby moving the driving position forward, and finally shortening the length of the whole vehicle compared with the prior art. Under the premise of ensuring human-machine comfort and vehicle (increased) functional requirements, the flexibility of the whole vehicle can be improved, thereby ensuring safety and driving stability.

Description

Technical Field

[0001] The invention relates to the technical field of electric motor vehicles, and in particular to a reverse three-wheeled electric motorcycle. Background Art

[0002] Compared with two-wheeled motorcycles or three-wheeled motorcycles, reverse three-wheeled motorcycles are less likely to roll over and have better driving stability, providing users with a safer and more comfortable driving experience.

[0003] The prior art reverse three-wheeled motorcycle has two wheels at the front, so the front structure of the whole vehicle is relatively complex and the layout is complicated, resulting in a large front overhang size, which ultimately leads to a large length of the whole vehicle, which is extremely unfavorable for driving stability and affects the vehicle flexibility when driving.

[0004] Therefore, in order to solve the above problems, a reverse three-wheeled electric motorcycle is needed, which can effectively control the length of the whole vehicle and improve the flexibility of the whole vehicle while ensuring human-machine comfort and vehicle functional requirements, thereby ensuring safety and driving stability. Summary of the invention

[0005] In view of this, the purpose of the present invention is to overcome the defects in the prior art and to effectively control the length of the vehicle and improve the flexibility of the vehicle while ensuring human-machine comfort and vehicle functional requirements, thereby ensuring safety and driving stability.

[0006] The inverted three-wheeled electric motorcycle of the present invention comprises a frame and a driving system, wherein the frame is provided with a driving position, and a control pedal is provided on the motorcycle corresponding to the driving position, and the control pedal is located within the range of the lateral projection of the front wheel of the motorcycle;

[0007] Of course, the reverse three-wheeled electric motorcycle also includes steering, braking, electrical instruments and other auxiliary systems, which belong to the system structure of the prior art and will not be described in detail here; since the present invention adopts a structure in which the control pedal is arranged in the range where the front wheel is located, the driving position is moved forward relative to the prior art, thereby shortening the length of the entire vehicle and improving the control flexibility of the entire vehicle; the control pedal generally includes a brake pedal, an accelerator pedal, etc., which will not be described in detail here.

[0008] Furthermore, the control pedal is located behind the front wheel axis, which has the best structural match with the driving position and is easier to arrange; at the same time, it is necessary to process the area below the dashboard in the vehicle, that is, to form a forward depression at the control pedal, which needs to reserve necessary control space, which will not be elaborated here.

[0009] Furthermore, a passenger seat is provided at the rear of the driving seat, which expands the scope of use of the vehicle. At the same time, due to the forward movement of the driving seat, the length of the entire vehicle is shortened compared with existing vehicles of the same standard. The provision of a passenger seat can ensure that the center of gravity is relatively forward when two people are riding, while still ensuring control flexibility, stability and safety.

[0010] Furthermore, the drive system includes a battery pack and a power system, and the power system is arranged at the rear of the frame and below the seating position; the rear arrangement of the power system can greatly shorten the transmission drive distance and improve the transmission efficiency; the arrangement of the battery pack below the seating position makes the layout of the entire vehicle have a better centralized effect, which is conducive to ensuring the compactness of the structure of the entire vehicle, can effectively control the length of the entire vehicle, and has a better human-machine experience. At the same time, it provides a better prerequisite for adjusting the center of mass position of the entire vehicle.

[0011] Furthermore, the battery pack is arranged in the middle position of the frame, and the front part of the battery pack is located below the driving seat; the layout of the driving seat, battery pack, power system and passenger seat makes the vehicle's center of mass closer to the triangle center of mass position, and lowers the center of mass of the entire vehicle while ensuring ground clearance, so that the flexibility, controllability and stability of the entire vehicle are guaranteed.

[0012] Furthermore, the frame is formed by a front frame, a middle frame and a rear frame which are fixedly connected in sequence, the front frame forms a front frame structure, the middle frame forms a middle frame structure, and the rear frame forms a rear frame structure;

[0013] The battery pack is fixedly installed in the middle frame structure, the power system includes a drive motor, a transmission and a controller integrated into one body, and is installed in the rear frame, and the seating position is located at the upper part of the rear frame structure.

[0014] In the prior art, the frames of three-wheeled motorcycles are mostly integral welded structures including door frames and roof frames, which have complex production processes, difficult size assurance, low assembly precision, and the frame structure cannot meet the strength, rigidity and other requirements brought by large-capacity batteries. The requirements can only be met by increasing the size, resulting in heavy vehicle weight and high energy consumption. The present invention adopts a three-section structure, which is connected into an integral frame through three modules, and the frame modules where various systems are located are reasonably arranged, so that the force bearing is effectively dispersed, so that the center of gravity of the whole vehicle is better adjusted, thereby achieving a lightweight frame while ensuring support strength and reducing energy consumption.

[0015] Furthermore, the front frame is provided with a plurality of front functional mounting positions, including at least mounting positions for mounting front wheel suspension, steering mechanism and air conditioning components; the middle frame is provided with a plurality of middle functional mounting positions, including at least mounting positions for mounting the battery pack and the driving seat; the rear frame is provided with a plurality of rear functional mounting positions, including at least mounting positions for mounting the power system and the passenger seat.

[0016] As shown in the figure, the front frame is provided with installation mechanisms for the front suspension, steering, braking, heat dissipation, electrical and other systems; the middle frame is installed with a large-capacity power battery, and the battery pack is assembled under the middle frame, which can be effectively protected and can reduce the height of the center of gravity of the vehicle to ensure the driving stability of the vehicle; at the same time, the driving position is located at the front of the middle frame, and the upper and lower parts overlap with the battery pack; the rear frame is provided with a drive system and a rear suspension installation part, so that the various systems and components of the vehicle are arranged on the frame in a targeted manner, effectively adjusting the force load of the frame to ensure the stability and safety of the vehicle.

[0017] Further, the front frame includes two lower front longitudinal beams arranged in parallel transversely and two upper front longitudinal beams respectively corresponding to the upper parts of the two lower front longitudinal beams, the two upper front longitudinal beams and the two lower front longitudinal beams are fixedly connected to form a front frame structure, the two upper front longitudinal beams and the two lower front longitudinal beams are the main body, and the frame structure is formed by setting vertical and horizontal supports, and the overall stability is relatively high; the middle frame includes two lower middle longitudinal beams arranged in parallel transversely and two upper middle longitudinal beams respectively corresponding to the upper parts of the two lower middle longitudinal beams, the two upper middle longitudinal beams and the two lower middle longitudinal beams are fixedly connected to form a middle frame structure, similarly, forming a frame requires setting reasonable vertical and horizontal supports, which will not be repeated here; the rear frame includes two lower rear longitudinal beams arranged in parallel transversely and two upper rear longitudinal beams respectively corresponding to the upper parts of the two lower rear longitudinal beams, the two upper rear longitudinal beams and the two lower rear longitudinal beams are fixedly connected to form the rear frame structure;

[0018] The battery pack is fixedly installed in the middle frame structure; as shown in the figure, the battery pack exceeds the two upper middle longitudinal beams upwards and does not exceed the bottom edges of the two lower middle longitudinal beams downwards, which effectively reduces the center of mass of the vehicle and helps to ensure driving safety;

[0019] The frame as a whole is divided into a three-section frame structure, which has high structural strength and rigidity, increases the stability and pressure-bearing capacity of the frame, improves the impact resistance of the chassis frame, can effectively protect the safety of personnel and power batteries, etc., and also meets the strength requirements for assembling larger batteries. It has the advantages of simple design structure, good strength, good rigidity, easy manufacturing and low cost.

[0020] Further, the front ends of the two lower middle longitudinal beams and the front ends of the two upper middle longitudinal beams are respectively adapted to the width of the front frame and are bent to form a fixed connection; the rear ends of the two lower middle longitudinal beams and the rear ends of the two upper middle longitudinal beams are respectively adapted to the width of the rear frame and are bent to form a fixed connection; as shown in the figure, the front frame and the rear frame are both smaller than the middle frame in width, therefore, the front and rear ends of the two lower middle longitudinal beams and the two upper middle longitudinal beams are respectively bent inwards and fixedly connected, which will not be repeated here;

[0021] The two lower middle longitudinal beams are fixedly connected by a lower middle cross beam, the two lower front longitudinal beams extend rearward and are fixedly connected to the lower middle cross beam, and the front ends of the two lower middle longitudinal beams are bent and respectively fixedly connected to the rearward extensions of the two lower front longitudinal beams;

[0022] The two lower front longitudinal beams and the two upper front longitudinal beams are fixedly connected by a set number of front vertical beams, and the front ends of the two upper middle longitudinal beams are bent and respectively fixedly connected with a longitudinal transition connecting rod, and the two transition connecting rods are fixedly connected forward to the corresponding front vertical beams at the rearmost part of the front frame;

[0023] The rear ends of the two transition connecting rods are fixedly connected to the corresponding upper middle longitudinal beams through the corresponding connecting rods I, and are fixedly connected to the lower middle cross beams through the corresponding connecting rods II;

[0024] The rear ends of the two lower middle longitudinal beams are bent and fixedly connected to the two lower rear longitudinal beams respectively; the rear vertical beams are fixedly connected between the two lower rear longitudinal beams and the two upper rear longitudinal beams respectively, and the rear ends of the two upper middle longitudinal beams are bent and fixedly connected to the two rear vertical beams respectively;

[0025] Through the above structural setting, the front frame, the middle frame and the rear frame are fixedly connected in sequence (generally by welding), the structure is simple and complete, and a frame-type support is formed at the connection point, thereby ensuring the overall strength of the frame.

[0026] Further, at least one lower front cross beam is fixedly connected between the two lower front longitudinal beams, as shown in the figure, the present invention has three; at least one upper front cross beam is fixedly connected between the two upper front longitudinal beams, as shown in the figure, the present invention has two; the upper front cross beam and the lower front cross beam are used to support other components while forming a frame, and need to be provided with a mounting position, which will not be repeated here;

[0027] The two lower middle longitudinal beams and the two upper middle longitudinal beams are fixedly connected by a set number of vertical connectors, as shown in the figure. The vertical connectors can be existing mechanical connectors, such as sheet metal parts, vertical rods, etc., which will not be described in detail here.

[0028] The front ends of the two lower rear longitudinal beams are respectively bent upwards and a rear lower cross beam I is fixedly connected between the bent ends. The two ends of the rear lower cross beam I are at the same height as the two upper middle longitudinal beams and are fixedly connected. A rear lower cross beam II is fixedly connected between the two lower rear longitudinal beams at a rearward position.

[0029] The front ends of the two upper rear longitudinal beams are fixedly connected by a rear upper cross beam I, and the rear ends are fixedly connected by a rear upper cross beam II; a functional longitudinal beam is fixedly connected between the rear upper cross beam I and the rear upper cross beam II, the upper mounting point of the power system is mounted on the functional longitudinal beam, and the lower mounting point and the mounting point of the tail side mounting seat are mounted on the rear lower cross beam II;

[0030] A rear diagonal brace is correspondingly provided between the rear lower cross beam I and the two rear vertical beams; a rear vertical brace is fixedly connected between the rear upper cross beam I and the rear lower cross beam I at positions near both ends;

[0031] A driving position support frame is fixedly provided on the upper part of the two upper middle longitudinal beams, and the driving position support frame is a frame structure spanning the two upper middle longitudinal beams and is fixedly connected to the two upper middle longitudinal beams through four legs;

[0032] Through the above-mentioned structural setting, the front frame, the middle frame and the rear frame respectively form complete frame structure modes, and the frame structure not only has a strengthening function, but also has a functional structure for installing other components, so that the frame not only realizes the strengthening function on a relatively simple structure, but also installs the body components neatly and orderly to obtain higher structural strength and rigidity. The frame structure can also effectively protect the equipment components installed, such as the battery pack and the power system, and can reduce the height of the center of gravity of the whole vehicle to ensure the driving stability of the vehicle.

[0033] The beneficial effects of the present invention are as follows: the present invention discloses a reverse three-wheeled electric motorcycle, in which the foot pedals used by the driver for controlling the vehicle are located within the range of the lateral projection of the wheel, which reasonably utilizes the front space of the vehicle. Compared with the prior art, the control pedals are moved forward, thereby moving the driving position forward, and ultimately shortening the length of the vehicle compared with the prior art. Under the premise of ensuring human-machine comfort and vehicle functional requirements, the length of the vehicle can be effectively controlled, the flexibility of the vehicle can be improved, thereby ensuring safety and driving stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The present invention will be further described below in conjunction with the accompanying drawings and embodiments:

[0035] Figure 1 It is a schematic diagram of the whole vehicle structure of the present invention;

[0036] Figure 2 It is a side view of the whole vehicle of the present invention;

[0037] Figure 3 It is a schematic diagram of the power system installation structure;

[0038] Figure 4 It is a vertical cross-sectional view of the power system along the axial direction;

[0039] Figure 5 is a transverse cross-sectional view of the controller;

[0040] Figure 6 This is the axonometric diagram of the power system (the arrow shows the direction of coolant flow);

[0041] Figure 7 This is a schematic diagram of the controller cooling flow channel (the arrows seen from above show the flow direction of the coolant);

[0042] Figure 8 This is the axonometric view of the drive motor (the arrow shows the direction of coolant flow);

[0043] Fig. 9 This is the exploded view of the frame;

[0044] Fig.10 Schematic diagram of the rear swing arm structure;

[0045] Fig.11 This is a schematic diagram of the rear swing arm being installed on the frame structure;

[0046] Fig.12 Schematic diagram of the tensioning device;

[0047] Fig.13 This is a cross-sectional view of the tensioning device. DETAILED DESCRIPTION

[0048] like Figures 1 to 13 As shown, the inverted three-wheeled electric motorcycle of the present invention comprises a frame 1 and a driving system, wherein the frame 1 is provided with a driving position 401, and a control pedal 8 is provided on the motorcycle corresponding to the driving position 401, and the control pedal 8 is located within the range of the lateral projection of the front wheel 7 of the motorcycle;

[0049] Of course, the inverted three-wheeled electric motorcycle also includes a steering system 6, a suspension system, a braking system, electrical instruments and other auxiliary systems, which belong to the system structure of the prior art and will not be repeated here; since the present invention adopts a structure in which the control pedal 8 is arranged in the range where the front wheel is located, the driving position is moved forward relative to the prior art, thereby shortening the length of the entire vehicle and improving the control flexibility of the entire vehicle; the control pedal 8 generally includes a brake pedal, an accelerator pedal (if any), etc., which will not be repeated here.

[0050] In this embodiment, the control pedal 8 is located behind the axis of the front wheel 7 of the motorcycle, and can be rear-up, flush, or rear-down. The structure has the highest degree of matching with the driving position and is easier to arrange. At the same time, it is necessary to process the bottom of the dashboard 10 in the vehicle, that is, to form a forward depression at the control pedal. The depression needs to reserve necessary control space, which will not be repeated here.

[0051] like Figure 1 and Figure 2 As shown, in the present embodiment, a seating position 402 is further provided at the rear of the driving position 401. While expanding the scope of use of the vehicle, the driving position is moved forward, so that the length of the entire vehicle is shortened relative to existing vehicles of the same standard. The provision of the seating position can ensure that the center of gravity of two people is relatively forward when driving, thereby ensuring control flexibility, stability and safety.

[0052] like Figure 1 and Figure 2 As shown, in this embodiment, the drive system includes a battery pack 201 and a power system 202, and the power system 202 is arranged at the rear position of the frame 1 and located at the lower part of the seating position; the rear arrangement of the power system 202 can greatly shorten the transmission driving distance and improve the transmission efficiency; the arrangement at the lower part of the seating position makes the layout of the whole vehicle have a better centralized effect, which is conducive to ensuring the compactness of the structure of the whole vehicle, can effectively control the length of the whole vehicle, and has a better human-machine experience effect. At the same time, it provides a better prerequisite for adjusting the center of mass position of the whole vehicle.

[0053] like Figure 1 and Figure 2 As shown, in this embodiment, the battery pack 201 is arranged in the middle position of the frame 1, and the front part of the battery pack 201 is located at the lower part of the driving seat 401; the arrangement structure of the driving seat 401, the battery pack 201, the power system 202 and the passenger seat 402 disperses the center of mass of each system of the whole vehicle, thereby lowering the center of mass of the whole vehicle while ensuring the ground clearance, so that the flexibility, controllability and stability of the whole vehicle are guaranteed.

[0054] like Figure 3 As shown, in this embodiment, the power system 202 has a power output shaft 202a for outputting power to the rear wheel of the motorcycle, an axle side mounting seat is provided near the power output shaft 202a, a tail side mounting seat is provided on the tail side, and the power system 202 is installed on the frame 1 through the axle side mounting seat and the tail mounting seat; the power system 202 is installed on the frame 1 to avoid the increase of the unsprung (suspension) mass caused by the installation structure of the prior art, which is conducive to ensuring the controllability and comfort;

[0055] In the prior art, the power system base and the frame are fixed by a number of bolts symmetrically arranged relative to the power system output shaft, and the output shaft and the base form a cantilever structure; since the power system output shaft is located at the center of the base flange surface, it will generate a large torque applied to the base during driving, and then transmit it to the frame; when it is necessary to achieve high torque power output, it is necessary to increase the strength of the power system housing, the base and the frame-related mounting structures, which will cause problems such as increased part weight, complex structural processes, complex assembly processes and excessively high costs; in the present invention, the shaft side and the tail side are installed through separate mounting seats, which can disperse the torque acting on the frame's action point during driving, avoid large torque directly and concentratedly acting on the frame, and can effectively reduce the deformation of the power system installation point and the frame, thereby increasing the life of the power system; reducing structural strength, which helps to make the product lightweight; simplifying the frame production process and improving assembly efficiency.

[0056] like Figure 3 As shown, in this embodiment, the axle side mounting seat is fixedly connected to the frame 1 through two mounting points 2024, 2026, and the tail side mounting seat is fixedly connected to the frame through a mounting point 2025; the two mounting points 2024, 2026 of the axle side mounting seat are arranged asymmetrically (relative to the axis of the power output shaft 202a); by installing through asymmetric and separate mounting seats, the torque generated can be reasonably distributed according to the power output direction, so as to have targeted force, further reduce the deformation of the mounting seat and the frame related positions, and improve the life of the power system and the frame; further reduce the structural strength, help to lighten the product; simplify the frame production process and improve assembly efficiency.

[0057] In this embodiment, the position of the frame 1 for installing the power system forms a rear frame structure, and the power system is located in the rear frame structure. Of the two mounting points 2024 and 2026 of the axle side mounting seat, one is a lower mounting point 2024 fixedly connected to the frame 1 at the bottom, and the other is an upper mounting point 2026 fixedly connected to the frame 1 at the top, and the mounting point 2025 of the tail side mounting seat is fixedly connected to the frame at the bottom;

[0058] The seating position 402 is mounted on the upper portion of the rear frame structure;

[0059] The rear frame structure is used to support the seat and install the power system 202, thereby improving the overall load-bearing strength. While supporting the seat, it provides installation space for the power system and provides conditions for dispersing the installation points of the power system.

[0060] like Figure 6As shown, in this embodiment, the power system 202 includes a controller 2023, a drive motor 2021 and a transmission 2022, and the controller 2023, the drive motor 2021 and the transmission 2022 are integrated into one, and the integration means that the housing of the controller, the housing of the drive motor and the housing of the transmission are fixedly connected as one, and under set conditions, the housing can be partially integrated to form a common use, which will not be repeated here; the controller 2023 is fixed on the top of the drive motor 2021; the output shaft of the transmission 2022 is a power output shaft 202a (the reference numerals in the figure refer to the pulleys arranged on the power output shaft of the generator, which will not be repeated here);

[0061] In the prior art, the controller and the drive motor generally adopt a split structure, and are connected by a wiring harness, which has high losses and reduces system efficiency. In addition, it makes the assembly of the whole vehicle complicated, causing wiring problems and the resulting electromagnetic shielding problems. Of course, there is also a technical solution in the prior art to install the motor controller on the side of the drive motor, but the structure installed on the side is difficult to solve for problems such as heat dissipation and increased vibration due to the center of gravity problem. The structure of the present invention avoids the problem of increased motor phase resistance and low efficiency of the drive system caused by the long-distance connection between the drive motor and the controller. Electromagnetic shielding can be achieved on the housing of the drive motor and the motor controller, isolating the interference of external abnormal signals on the controller body, so that the power system has a higher volume density and lower efficiency loss. The controller is located directly above the motor, which optimizes the center of gravity of the component, avoids resonance caused by vehicle vibration, thereby avoiding the fall of electrical components, and is also conducive to the overall waterproof design.

[0062] The shaft-side mounting seat is located in the housing of the transmission 2022, and the tail-side mounting seat is located below the driving motor housing, and the lower mounting point 2024 and the mounting point 2025 of the tail-side mounting seat are arranged rearwardly relative to the axis of the power output shaft 202a; the driving wheel of the reverse three-wheeler of the present invention is rear-wheel drive, and in the structure driven by the rear wheel, the lower mounting point and the tail-side mounting seat are located on one side of the axis, and the linear speed of the high point of the outer circle of the power output shaft deviates from this position, and the reaction torque of the output power forms pressure on the mounting point to ensure the stability of the installation; at the same time, combined with the setting of the upper mounting point, a lever-type constraint is formed to reduce the effect of the power torque on the mounting point, thereby ensuring the installation stability of the power system itself and the frame.

[0063] like Figure 4 and Figure 5As shown, in this embodiment, the controller 2023 includes a waterproof shell, and a main control cavity 20231 and a wiring cavity 20232 are formed in the waterproof shell. The main control cavity 20231 is used to install a control circuit board 202310 (generally a printed circuit board plus components, which will not be described in detail here), and the wiring cavity 20232 is used to access external lines. The control circuit board 202310 is electrically connected to the drive motor 2021 through a copper bus 20237 and controls the operating state of the drive motor 2021; the double-cavity structure can reasonably plan the wiring and the arrangement of the control circuit to avoid the interference of the wiring position on the control circuit; as shown in the figure, the wiring cavity 20232 is located in an upper position for convenient wiring operation; the main control cavity 20231 is located in a lower position for convenient electrical connection with the drive motor through the copper bus; the control circuit board in the controller is provided with necessary electrical components, and finally accesses the external circuit through the wiring cavity, and is electrically connected to the drive motor through the copper bus to complete the control, which belongs to the prior art in terms of electrical principles and will not be described in detail here.

[0064] like Figure 4 and Figure 5 As shown, in this embodiment, the waterproof housing includes a base 20233, a shell 20238 and an upper cover 20234. The shell 20238 is sealed and fixed to the base 20233. The sealing method and the existing static sealing structure can be adopted according to different connection structures, such as sealing gaskets, sealing rings, etc., which will not be repeated here; the upper cover 20234 is sealed and fixed to the upper opening of the wiring cavity 20232 formed by the shell 20238; the controller 2023 is fixed to the upper part of the drive motor 2021 through the base 20233; the heat-generating electrical components on the control circuit board 202310 and the shell 20238 form a heat conduction transition through a thermal pad, such as Figure 5 As shown, a capacitor 202311 is provided on the control circuit board 202310, and a thermal pad (generally thermally conductive rubber) is provided between the upper part and the shell 20238, which can be beneficial to heat dissipation and protect the capacitor during vibration; a seal is formed between the main control cavity 20231 and the wiring cavity 20232 to form two independent cavities to avoid mutual interference, especially to avoid damage or water ingress to the control circuit board in the main control cavity 20231 when operating in the wiring cavity, and the sealing method is still the static sealing method of the prior art, and a seal is formed at the position where the terminal passes through; an electrical connection is formed between the wire of the drive motor 2021 and the copper bus 20237 and fixed by glue pouring, which belongs to the potting method of the prior art and will not be repeated here;

[0065] like Figure 4 and Figure 5As shown, the wiring cavity 20232 is formed by a partition integrally formed with the shell 20238, and a through hole is provided at the bottom of the wiring cavity 20232 for passing the terminal 20236 (it can be one or more, generally two, as required), and the terminal 20236 is provided with a sleeve 20235. The sleeve 20235 passes through the through hole and the sleeve forms a sealing step surface that presses tightly against the edge of the through hole, and a seal can be formed by a sealing gasket or a sealing ring. The terminal 20236 passes through the sleeve 20235 from bottom to top and forms a seal by an O-ring (the present invention has two arranged along the axial direction). The terminal 20236 is used to connect the control circuit 202310 and the external wire, which will not be repeated here; the sealing method adopts the usual sealing ring and sealing gasket structure, which belongs to the existing sealing structure and will not be repeated here.

[0066] like Fig.10 , Fig.11 , Fig.12 As shown, in this embodiment, the drive system also includes a rear drive wheel 203, the drive power of the drive motor 2021 is output to the rear drive wheel 203 through the power output shaft 202a through the transmission 2022, and the rear drive wheel 203 is installed on the frame 1 through the rear suspension assembly 3, the rear suspension assembly 3 includes a rear swing arm 301 and a rear shock absorber assembly, the rear swing arm 301 includes a main swing arm 3011, the front end of the main swing arm 3011 is hinged to the frame 1 in a manner that the main swing arm 3011 can swing up and down with a single degree of freedom, and the rear end of the main swing arm 3011 is bent inwardly in the lateral direction to form an axle seat 3015 for installing the rear drive wheel;

[0067] The rear drive wheel 203 is installed on the frame 1 through the main swing arm 3011. The main body of the main swing arm 3011 is located on the left side of the wheel, forming a connection support for the rear drive wheel 203. The front end can be articulated to the frame by adopting the existing flat fork head tube intersection method, or it can be an articulation method divided into multiple hinge points, which will not be repeated here; the rear end of the main swing arm 3011 is bent inward so that its end is close to the rear drive wheel 203, and the rear drive wheel 203 is installed through the axle seat support. The method, structure and lubrication method of installing the rear drive wheel on the axle seat belong to the existing technology and will not be repeated here; bending inward refers to bending toward the middle of the motorcycle, which will not be repeated here; at the same time, since its end is bent inward, its end can still be used to install some auxiliary devices, such as brake calipers, etc., which will not be repeated here.

[0068] like Fig.10 , Fig.11 , Fig.12As shown, in this embodiment, the rear swing arm 301 also includes an auxiliary swing arm 3016 which is parallel to the main swing arm in the transverse direction, a swing arm cross beam 3014 extending transversely and horizontally is formed on the main swing arm 3011, and the auxiliary swing arm 3016 is fixedly connected to the horizontally extending end of the swing arm cross beam 3014; the vibration reduction assembly includes two shock absorbers 302 and 3021, the lower ends of the two shock absorbers 302 and 3021 are respectively hinged to the main swing arm 3011 and the auxiliary swing arm 3016, and the upper ends are respectively hinged to the frame 1;

[0069] In the prior art, the rear swing arm of a motorcycle is a double-arm structure or a single-arm structure. For a heavy-duty vehicle, it is usually difficult to disassemble and assemble the rear wheel for maintenance. The single-arm structure requires high dimensional accuracy, and because the shock absorber can only be arranged on one side, it has high requirements for structural design and suspension matching, which easily leads to inconsistent support between the left and right sides of the vehicle.

[0070] Two swing arm hinge points 3012 and 3013 are formed on the main swing arm 3011 at the front end of the swing arm cross beam 3014. The main swing arm 3011 is hinged to the frame 1 through the two swing arm hinge points 3012 and 3013 so that the main swing arm 3011 can swing up and down with a single degree of freedom. As shown in the figure, the two swing arm hinge points 3012 and 3013 are coaxial and arranged on both sides of the longitudinal center line of the motorcycle, forming a stable hinge structure.

[0071] The present invention adopts a structure in which the auxiliary swing arm 3016 is fixed on the main swing arm 3011. The auxiliary swing arm is located on the right side of the wheel, forming two parts that are relatively close to symmetrically installed shock absorbers. Two shock absorbers 302 and 3021 can be installed to realize the double rear shock absorber arrangement, thereby ensuring the consistency of the left and right support of the vehicle by the rear suspension, thereby achieving the purpose of driving comfort and safety; at the same time, combined with the problem that the vehicle tire is a vulnerable part and its maintenance frequency is high, the present invention can remove the rear wheel with the highest maintenance frequency separately without operating the brake and transmission parts. At the same time, by setting the auxiliary swing arm, the problem of the heavy weight of the double swing arm and the complicated disassembly and assembly when maintaining the rear wheel is avoided. For motorcycles with a large mass, the present invention can not only play the stability and comfort effect of the double swing arm structure, but also has the flexibility of a single swing arm and the convenience of disassembly and assembly for rear wheel maintenance.

[0072] like Fig.10As shown, in this embodiment, a functional mounting position 30151 is provided on the shaft seat 3015, and the functional mounting position 30151 is mainly used for installing components of the brake system (brake caliper, etc.); the hinge axes of the two swing arm hinge points 3012 and 3013 are coaxial with the power output shaft 202a of the transmission 2022, so that the transmission axis center distance of the transmission chain or belt can be kept unchanged during the swing of the swing arm, thereby avoiding length changes, thereby maintaining the stability of the transmission and improving the service life of the parts; the power output shaft transmits power to the rear wheel 203 through a synchronous belt drive or a chain drive. In this embodiment, a synchronous belt drive is adopted, and a synchronous belt pair 204 is provided, including a driving pulley, a synchronous belt and a driven pulley arranged on the power output shaft 202a, which will not be described in detail here;

[0073] The upper ends of the two shock absorbers 302, 3021 are hinged to the rear frame structure of the frame 1, as shown in FIG. Fig.11 As shown, the overall structure is simple and compact, and the design is relatively ingenious. The rear frame structure is used to support the seat, install the power system, and also provide a mounting base for the shock absorber, avoiding the complex structure of the prior art and reducing the weight of the frame.

[0074] like Fig.12 , Fig.13 As shown, in this embodiment, the rear swing arm 301 is provided with a tensioning assembly 205 for tensioning the synchronous belt or chain;

[0075] The tensioning assembly 205 includes a tensioning seat 2054, a tensioning screw 2053, a tensioning member 2052 and a tensioning wheel 2051. The tensioning seat 2054 is fixedly arranged on the main swing arm 3011. The tensioning screw 2053 is arranged on the tensioning seat 2054 in a manner that it can reciprocate with a single degree of freedom in the circumferential direction. As shown in the figure, the tensioning screw is limited on the tensioning seat 2054 in the length direction, and a limiting boss 20531 is used to limit its upward structure, and the upper end of the screw rotates to cooperate with the through hole on the tensioning seat 2054, which is convenient for the tensioning operation, which will not be repeated here. The tensioning member 2052 is threadedly arranged on the tensioning screw 2053 and can be driven by the tensioning screw 2053 to reciprocate in the direction of tensioning the synchronous belt or chain. Of course, the tensioning member 2052 needs to be limited in the lateral freedom (lateral direction of the screw); the tensioning wheel 2051 is arranged on the tensioning member 2052 through a tensioning wheel shaft 2055 that is rotatably matched with the tensioning wheel and forms a tensioning match with the synchronous belt or chain. In this embodiment, a synchronous belt is adopted, and the tensioning wheel forms tension on the synchronous belt from the inside. Of course, the tensioning wheel also needs to adopt the structure of a synchronous belt wheel with meshing teeth, which will not be repeated here;

[0076] In the prior art, most tensioners are self-tensioning, such as compression spring type, torsion spring type, eccentric sleeve type, etc. Such tensioners are relatively complex in structure and relatively expensive in cost. After long-term use, the tension force is prone to change, and the belt cannot be guaranteed to work under the best conditions. The present invention adopts the above structure, and the tensioner is installed on the main swing arm, and the tensioning state is adjusted by threaded connection, which is stable and easy to adjust.

[0077] In the present invention, the tensioning wheel is designed on the main swing arm, and when the tire is repaired and disassembled, the belt or chain is kept in a tensioned state, and there is no need to adjust the tension again when the tire is replaced.

[0078] like Fig.12 , Fig.13 As shown, in this embodiment, a vertical tensioning groove 30111 is provided on the inner side of the main swing arm 3011, and the tensioning seat 2054 is detachably fixedly arranged on the upper end of the tensioning groove 30111, and a slider matching pair capable of single-degree-of-freedom reciprocating motion is formed between the tensioning member 2052 and the tensioning groove 30111. In this embodiment, a slider matching pair is used between the tensioning groove and the tensioning member 2052 (generally in the shape of a strip with sufficient tensioning distance), (a dovetail groove or a T-shaped groove can be used) The tensioning wheel shaft 2055 extends inwardly in the horizontal direction, that is, in the direction where the synchronous belt is located (the inward here refers to the side of the longitudinal center line of the motorcycle frame); the main swing arm 3011 is used to set the tensioning groove 30111 and the tensioning member 2052 to form a guide mechanism and the top tensioning seat forms a limiting mechanism (the limiting boss on the screw), and the belt tensioning force can be adjusted through a simple and stable threaded connection. The structure is simple, the adjustment is convenient and the cost is low.

[0079] In this embodiment, the frame 1 is formed by a front frame 101, a middle frame 102 and a rear frame 103 which are fixedly connected in sequence, the front frame 101 forms a front frame structure, the middle frame 102 forms a middle frame structure, and the rear frame 103 forms a rear frame structure;

[0080] In the prior art, the frames of three-wheeled motorcycles are mostly integral welded structures including door frames and roof frames, which have complex production processes, difficult size assurance, low assembly precision, and the frame structure cannot meet the strength, rigidity and other requirements brought by large-capacity batteries. The requirements can only be met by increasing the size, resulting in heavy vehicle weight and high energy consumption. The present invention adopts a three-section structure, which is connected into an integral frame through three modules, and the frame modules where various systems are located are reasonably arranged, so that the force bearing is effectively dispersed, so that the center of gravity of the whole vehicle is better adjusted, thereby achieving a lightweight frame while ensuring support strength and reducing energy consumption.

[0081] In this embodiment, the front frame 101 is provided with a plurality of front functional mounting positions, including at least mounting positions for mounting the front wheel suspension, the steering mechanism and the air-conditioning assembly; the middle frame 102 is provided with a plurality of middle functional mounting positions, including at least mounting positions for mounting the battery pack 201 and the driving seat 401; the rear frame 103 is provided with a plurality of rear functional mounting positions, including at least mounting positions for mounting the power system 202 and the passenger seat 402.

[0082] like Figure 1 , Figure 2 and Fig. 9 As shown, the front frame 101 is provided with installation mechanisms for the front suspension, steering, braking, heat dissipation, electrical appliances and other systems; the middle frame 102 is installed with a large-capacity power battery pack 201, and the battery pack 201 is assembled on the middle frame from bottom to top, which can be effectively protected and can reduce the height of the center of gravity of the whole vehicle to ensure the driving stability of the vehicle; at the same time, the driving position is located at the front of the middle frame, and the upper and lower parts overlap with the battery pack; the rear frame is provided with a drive system and a rear suspension installation part, so that the various systems and components of the whole vehicle are dispersed on the frame 1 in a targeted manner, effectively adjusting the force bearing of the frame to ensure the stability and safety of the whole vehicle.

[0083] like Fig. 9 As shown, in this embodiment, the front frame 101 includes two lower front longitudinal beams 1011 and 1012 arranged in parallel in transverse direction and two upper front longitudinal beams 1013 and 1014 respectively corresponding to the upper parts of the two lower front longitudinal beams. The two upper front longitudinal beams 1013 and 1014 and the two lower front longitudinal beams 1011 and 1012 are fixedly connected to form a front frame structure. Of course, the two upper front longitudinal beams and the two lower front longitudinal beams are the main body, and the frame structure is formed by the set vertical and horizontal supports, which has high stability as a whole. The middle frame 102 includes two lower middle longitudinal beams 1021 and 1022 arranged in parallel in transverse direction and two upper middle longitudinal beams 1021 and 1022 respectively corresponding to the upper parts of the two lower middle longitudinal beams 1021 and 1022. 23, 1024, the two upper middle longitudinal beams 1023, 1024 and the two lower middle longitudinal beams 1021, 1022 are fixedly connected to form a middle frame structure. Similarly, to form a frame, it is necessary to set reasonable vertical and lateral supports, which will not be repeated here; the rear frame 103 includes two lower rear longitudinal beams 1031, 1032 arranged in parallel laterally and two upper rear longitudinal beams 1033, 1034 respectively corresponding to the upper parts of the two lower rear longitudinal beams 1031, 1032. The two upper rear longitudinal beams 1033, 1034 and the two lower rear longitudinal beams 1031, 1032 are fixedly connected to form the rear frame structure. Similarly, to form a frame, it is necessary to set reasonable vertical and lateral supports, which will not be repeated here;

[0084] The battery pack 201 is fixedly installed in the middle frame structure; as shown in the figure, the battery pack 201 does not exceed the bottom edges of the two lower middle longitudinal beams 1021 and 1022, which effectively protects the battery pack and effectively reduces the center of mass of the whole vehicle, which is conducive to ensuring driving safety; of course, the middle frame structure is provided with a mounting position for mounting the motorcycle battery pack, and the front part of the mounting position is located at the lower part of the driver's seat support frame, which will not be repeated here;

[0085] The frame 1 is generally divided into a three-section frame structure, which has high structural strength and rigidity, increases the stability and pressure-bearing capacity of the frame, improves the impact resistance of the chassis frame, can effectively protect the safety of personnel and power batteries, etc., and also meets the strength requirements for assembling larger batteries. It has the advantages of simple design structure, good strength, good rigidity, easy manufacturing and low cost.

[0086] like Fig. 9 As shown, in this embodiment, the front ends of the two lower middle longitudinal beams 1021, 1022 and the front ends of the two upper middle longitudinal beams 1023, 1024 are respectively adapted to the width of the front frame and are bent to form a fixed connection; the rear ends of the two lower middle longitudinal beams 1021, 1022 and the rear ends of the two upper middle longitudinal beams 1023, 1024 are respectively adapted to the width of the rear frame and are bent to form a fixed connection; as shown in the figure, the front frame and the rear frame are both smaller than the middle frame in width, therefore, the front and rear ends of the two lower middle longitudinal beams 1021, 1022 and the two upper middle longitudinal beams 1023, 1024 are respectively bent inwardly and fixedly connected, which will not be repeated here;

[0087] The two lower middle longitudinal beams 1021 and 1022 are fixedly connected by a lower middle cross beam 1026, the two lower front longitudinal beams 1011 and 1012 extend rearward and are fixedly connected to the lower middle cross beam 1026, and the front ends of the two lower middle longitudinal beams 1021 and 1022 are bent and fixedly connected to the rearward extensions of the two lower front longitudinal beams 1011 and 1012 respectively;

[0088] The two lower front longitudinal beams 1011, 1012 and the two upper front longitudinal beams 1013, 1014 are fixedly connected by a set number of front vertical beams 1017, 1018, which means that the lower front longitudinal beam 1011 and the upper front longitudinal beam 1013 are fixedly connected by the front vertical beam 1017, and the lower front longitudinal beam 1012 and the upper front longitudinal beam 1014 are fixedly connected by the front vertical beam 1018 to form a frame structure; the front ends of the two upper middle longitudinal beams 1023, 1024 are bent and fixedly connected to a longitudinal transition connecting rod 1027, 1028 respectively, and the two transition connecting rods 1027, 1028 are fixedly connected forward to the corresponding front vertical beams 1017, 1018 at the rearmost part of the front frame;

[0089] The rear ends of the two transition connecting rods 1027 and 1028 are fixedly connected to the corresponding upper middle longitudinal beams 1023 and 1024 through the corresponding connecting rods I 1029 and 10210, and are fixedly connected to the lower middle cross beam 1026 through the corresponding connecting rods II 10211 and 10212; a frame structure is formed both overall and locally, which is conducive to improving the strength of the frame;

[0090] The rear ends of the two lower middle longitudinal beams 1021, 1022 are bent and fixedly connected to the two lower rear longitudinal beams 1031, 1032 respectively; the rear vertical beams 1039, 10310 are fixedly connected between the two lower rear longitudinal beams 1031, 1032 and the two upper rear longitudinal beams 1033, 1034 respectively, which means that the lower rear longitudinal beam 1032 is fixedly connected to the upper rear longitudinal beam 1034 through the rear vertical beam 10310, and the lower rear longitudinal beam 1031 is fixedly connected to the upper rear longitudinal beam 1033 through the rear vertical beam 1039 to form a frame structure; the rear ends of the two upper middle longitudinal beams 1023, 1024 are bent and fixedly connected to the two rear vertical beams 1039, 10310 respectively;

[0091] Through the above structural setting, the front frame, the middle frame and the rear frame are fixedly connected in sequence (generally by welding), the structure is simple and complete, and a frame-type support is formed at the connection point, thereby ensuring the overall strength of the frame.

[0092] In this embodiment, at least one lower front cross beam 1015 is fixedly connected between the two lower front longitudinal beams 1011 and 1012. Fig. 9 As shown, the present invention is three; at least one upper front cross beam 1016 is fixedly connected between the two upper front longitudinal beams 1013 and 1014, as shown in FIG. Fig. 9 As shown, the present invention has two; the upper front cross beam 1016 and the lower front cross beam 1015 are used to support other components while forming a frame, and need to be provided with a mounting position, which will not be repeated here;

[0093] The two lower middle longitudinal beams 1021, 1022 and the two upper middle longitudinal beams 1023, 1024 are fixedly connected by a set number of vertical connectors 1025. As shown in the figure, the vertical connectors 1025 can adopt existing mechanical connectors, such as sheet metal parts, vertical rods, etc., which will not be repeated here; the set number involved in the present invention refers to setting one at a certain distance, which can be increased or decreased according to the load-bearing capacity and installation requirements, which will not be repeated here;

[0094] The front ends of the two lower rear longitudinal beams 1031, 1032 are respectively bent upwards and a rear lower cross beam I 1035 is fixedly connected between the bent ends. The two ends of the rear lower cross beam I 1035 are at the same height as the two upper middle longitudinal beams 1023, 1024 and are fixedly connected. A rear lower cross beam II 1036 is fixedly connected between the two lower rear longitudinal beams 1031, 1032 at a rearward position.

[0095] The front ends of the two upper rear longitudinal beams 1031 and 1032 are fixedly connected by a rear upper cross beam I 10315, and the rear ends are fixedly connected by a rear upper cross beam II 10314; a functional longitudinal beam 1037 is fixedly connected between the rear upper cross beam I 10315 and the rear upper cross beam II 10314, the upper mounting point of the power system is mounted on the functional longitudinal beam, and the lower mounting point 2024 and the mounting point 2025 of the tail side mounting seat are mounted on the rear lower cross beam II 1036;

[0096] A rear diagonal brace 10313, 10314 is respectively provided between the rear lower cross beam Ⅰ1035 and the two rear vertical beams 1039, 10310; a rear vertical brace 10311, 10312 is respectively fixedly connected between the rear upper cross beam Ⅰ10315 and the rear lower cross beam Ⅰ1035 at positions close to both ends;

[0097] A driver's seat support frame 4011 is fixedly provided on the upper part of the two upper middle longitudinal beams 1023 and 1024. The driver's seat support frame 4011 is a frame structure spanning the two upper middle longitudinal beams and is fixedly connected to the two upper middle longitudinal beams 1023 and 1024 through four legs; it is used to install the driver's seat 401 and reinforce the middle frame at the same time;

[0098] The upper ends of the two shock absorbers 302 and 3021 are hinged to the rear upper cross beam II 10314; the two swing arm hinge points 3012 and 3013 of the main swing arm 3011 are respectively hinged to the two rear vertical beams 1039 and 10310;

[0099] Through the above-mentioned structural setting, the front frame, the middle frame and the rear frame respectively form a complete frame structure mode, and after being connected into a frame, the overall frame structure is also a frame structure. The frame structure not only has a strengthening function, but also has a functional structure for installing other components. Therefore, the frame not only realizes the strengthening function on a relatively simple structure, but also installs the body components neatly and orderly to obtain higher structural strength and rigidity. The frame structure can also effectively protect the equipment components installed, such as the battery pack and the power system, and can reduce the height of the center of gravity of the whole vehicle to ensure the driving stability of the vehicle.

[0100] like Figure 1 , Figure 2As shown, in this embodiment, the air conditioning assembly 5 is located between the motorcycle front panel 9 and the motorcycle instrument panel 10 and is arranged on the front frame 101;

[0101] The air conditioning assembly 5 is located to the left of the front frame 101;

[0102] In the prior art, the refrigeration device of the closed three-wheeled motorcycle is mostly arranged on the roof of the vehicle, which affects the head space of the personnel and brings about the problem of poor commercial appearance; the present invention arranges the air conditioning device on the front frame, and of course, an air outlet needs to be set on the instrument panel; from a structural point of view, the air conditioning component is arranged inside the vehicle and connected with the compressor, condenser and other components through a closed pipeline to avoid waterproof and dustproof problems;

[0103] The air conditioning assembly 5 is arranged between the vehicle front panel 9 and the instrument panel 10, and the air conditioning box is completely covered by the interior and exterior parts, which does not affect the appearance of the commodity;

[0104] The air conditioning assembly 5 is arranged at the upper front part of the operating pedal 8 (on the left side of the front frame, located above the operating pedal), which does not affect the operation of personnel and obtains a comfortable human-machine experience.

[0105] In this embodiment, the power system 202 is a water-cooled power system;

[0106] The controller 2023 and the drive motor 2021 are respectively provided with their own cooling water channels, and the cooling channels of the controller 2023 are connected with the cooling channels of the drive motor 2021; the interconnection forms a series or parallel cooling channel as a whole, which is conducive to forming a cooling cycle, thereby achieving a better cooling effect.

[0107] In this embodiment, Figure 6 As shown, the cooling channel of the controller 2023 is connected in series with the cooling channel of the drive motor 2021, and the coolant flows in from the cooling channel of the controller and finally flows out from the cooling channel of the drive motor; a large cycle is formed as a whole, which improves the cooling effect and simplifies the water connection; combined with the structure in which the drive motor is arranged directly below the controller, while considering the heat dissipation performance, the coolant flows in from the controller and flows out from the drive motor, which effectively avoids the heat radiation of the high-temperature coolant of the motor to the motor controller, thereby improving the thermal stability of the system;

[0108] like Figure 6 , Figure 7As shown, the cooling channel of the controller 2023 includes a controller coolant inlet 20241, a controller cooling area 20242 and a controller coolant outlet 20243. The controller cooling area 20242 is a cooling structure in which multiple water channels are scattered in parallel or in series and widened, and the coolants in the multiple water channels converge at the controller coolant outlet and flow out; the scattered shape refers to a plurality of radially distributed branches formed by the inlet and dispersedly widened, which can be formed by a structural form combining parallel and series structures; as shown in the figure, the internal cooling area of ​​the controller structure adopts a series-parallel flow equalization design, which can form a diversion or convergence in the cooling area, adjust the water channel width to achieve maximum coverage, and make a smooth transition between the diversion water channels, so that the internal coolant flow distribution is reasonable, and the temperature uniformity of the heat-generating components in the controller is improved, thereby improving the stability and reliability of the controller.

[0109] like Figure 6 , Figure 8 As shown, in this embodiment, the cooling channel of the drive motor 2021 includes a motor coolant inlet 20251, a motor cooling area 20252 and a motor coolant outlet 20253. The motor coolant inlet 20251 is connected to the controller coolant outlet 20243. After the base of the controller is fixed to the drive motor, the motor coolant inlet 20251 and the controller coolant outlet 20243 are connected. Of course, a certain seal needs to be formed around the connection point, which will not be repeated here; the motor cooling area 20252 is a One or more cooling structures that rotate in a U-shape in the longitudinal direction; the drive motor adopts a U-shaped circulating water channel, and the number, width and thickness of the water channels of the motor cooling water jacket are optimized and adjusted to improve the cooling and heat dissipation performance of the motor, and also improve the internal reflux of the water jacket, making its circulation smoother, reducing the flow resistance of the water jacket, effectively improving the power density and volume density of the drive system, and reducing the energy loss of the whole vehicle; the longitudinal U-shaped rotating water channel refers to one or more water channels that rotate back and forth in the axial direction of the drive motor, which will not be repeated here;

[0110] In order to reduce the dead zone area of ​​the flow in the water channel of the drive motor cooling structure, the corners of the U-shaped flow channel of the motor water jacket are chamfered to ensure a smooth transition and ensure that there are no local vortices or zero speed areas in the area where the coolant flows.

[0111] In this embodiment, the cooling channel of the controller 2023 is processed on the base 20233, and the cooling area covers the position where the heat-generating components are installed, so the cooling effect is better; the cooling channel of the drive motor is processed on the drive motor housing;

[0112] The coolant inlet 20241 of the controller 2023 is close to the tail of the drive motor 2021, and the coolant outlet 20243 of the controller 2023 and the motor coolant inlet 20251 are located close to the head of the drive motor 2021;

[0113] This integrated water cooling structure not only takes into account the heat dissipation performance and water resistance performance, but also combines the water jacket inlet and outlet methods and layout, which will not affect the installation position after the terminal product is installed. It also takes into account the heat dissipation distribution of the equipment itself to achieve a higher cooling efficiency.

[0114] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A three-wheeled electric motorcycle, characterized in that: The motorcycle comprises a frame and a driving system, wherein the frame is provided with a driving position, and a control pedal is provided on the motorcycle corresponding to the driving position, and the control pedal is located within the range of the lateral projection of the front wheel of the motorcycle; The frame is formed by a front frame, a middle frame and a rear frame which are fixedly connected in sequence, the front frame forms a front frame structure, the middle frame forms a middle frame structure, and the rear frame forms a rear frame structure; The front frame includes two lower front longitudinal beams arranged in parallel transversely and two upper front longitudinal beams respectively corresponding to the upper parts of the two lower front longitudinal beams, and the two upper front longitudinal beams and the two lower front longitudinal beams are fixedly connected to form a front frame structure; the middle frame includes two lower middle longitudinal beams arranged in parallel transversely and two upper middle longitudinal beams respectively corresponding to the upper parts of the two lower middle longitudinal beams, and the two upper middle longitudinal beams and the two lower middle longitudinal beams are fixedly connected to form a middle frame structure; the rear frame includes two lower rear longitudinal beams arranged in parallel transversely and two upper rear longitudinal beams respectively corresponding to the upper parts of the two lower rear longitudinal beams, and the two upper rear longitudinal beams and the two lower rear longitudinal beams are fixedly connected to form the rear frame structure; The front ends of the two lower middle longitudinal beams and the front ends of the two upper middle longitudinal beams are respectively adapted to the width of the front frame and are bent to form a fixed connection; the rear ends of the two lower middle longitudinal beams and the rear ends of the two upper middle longitudinal beams are respectively adapted to the width of the rear frame and are bent to form a fixed connection; The two lower middle longitudinal beams are fixedly connected by a lower middle cross beam, the two lower front longitudinal beams extend rearward and are fixedly connected to the lower middle cross beam, and the front ends of the two lower middle longitudinal beams are bent and respectively fixedly connected to the rearward extensions of the two lower front longitudinal beams; The two lower front longitudinal beams and the two upper front longitudinal beams are fixedly connected by a set number of front vertical beams, and the front ends of the two upper middle longitudinal beams are bent and respectively fixedly connected with a longitudinal transition connecting rod, and the two transition connecting rods are fixedly connected forward to the corresponding front vertical beams at the rearmost part of the front frame; The rear ends of the two transition connecting rods are fixedly connected to the corresponding upper middle longitudinal beams through the corresponding connecting rods I, and are fixedly connected to the lower middle cross beams through the corresponding connecting rods II; The rear ends of the two lower middle longitudinal beams are bent and fixedly connected to the two lower rear longitudinal beams respectively; the rear vertical beams are fixedly connected between the two lower rear longitudinal beams and the two upper rear longitudinal beams respectively, and the rear ends of the two upper middle longitudinal beams are bent and fixedly connected to the two rear vertical beams respectively; The drive system includes a battery pack and a power system; At least one lower front cross beam is fixedly connected between the two lower front longitudinal beams, and at least one upper front cross beam is fixedly connected between the two upper front longitudinal beams; The two lower middle longitudinal beams and the two upper middle longitudinal beams are fixedly connected via a set number of vertical connecting pieces; The front ends of the two lower rear longitudinal beams are respectively bent upwards and a rear lower cross beam I is fixedly connected between the bent ends. The two ends of the rear lower cross beam I are at the same height as the two upper middle longitudinal beams and are fixedly connected. A rear lower cross beam II is fixedly connected between the two lower rear longitudinal beams at a rearward position. The front ends of the two upper rear longitudinal beams are fixedly connected by a rear upper cross beam I, and the rear ends are fixedly connected by a rear upper cross beam II; a functional longitudinal beam is fixedly connected between the rear upper cross beam I and the rear upper cross beam II, the upper mounting point of the power system is mounted on the functional longitudinal beam, and the lower mounting point and the mounting point of the tail side mounting seat are mounted on the rear lower cross beam II; A rear diagonal brace is correspondingly provided between the rear lower cross beam I and the two rear vertical beams; a rear vertical brace is fixedly connected between the rear upper cross beam I and the rear lower cross beam I at positions near both ends; A driving position support frame is fixedly provided on the upper part of the two upper middle longitudinal beams. The driving position support frame is a frame structure spanning the two upper middle longitudinal beams and is fixedly connected to the two upper middle longitudinal beams through four legs.

2. The inverted three-wheeled electric motorcycle according to claim 1, characterized in that: The control pedal is located behind the front wheel axis.

3. The reverse three-wheeled electric motorcycle according to claim 2, characterized in that: A seating position is also provided at the rear of the driving position.

4. The reverse three-wheeled electric motorcycle according to claim 3, characterized in that: The power system is arranged at the rear of the frame and located below the seating position.

5. The reverse three-wheeled electric motorcycle according to claim 4, characterized in that: The battery pack is arranged in the middle of the frame, and the front part of the battery pack is located below the driving position.

6. The reverse three-wheeled electric motorcycle according to claim 4, characterized in that: The battery pack is fixedly installed in the middle frame structure, the power system includes a drive motor, a transmission and a controller integrated into one body, and is installed in the rear frame, and the seating position is located at the upper part of the rear frame structure.

7. The reverse three-wheeled electric motorcycle according to claim 6, characterized in that: The front frame is provided with a plurality of front functional mounting positions, including at least mounting positions for mounting the front wheel suspension, the steering mechanism and the air conditioning assembly; the middle frame is provided with a plurality of middle functional mounting positions, including at least mounting positions for mounting the battery pack and the driving seat; the rear frame is provided with a plurality of rear functional mounting positions, including at least mounting positions for mounting the power system and the passenger seat.

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