Single-person electric four-wheeler

Abstract

The utility model provides a single-person electric four-wheeler. The single-person electric four-wheeler comprises a vehicle body covering assembly, a vehicle body framework assembly, a walking assembly, a steering assembly, a braking system and a power system. The vehicle body covering assembly is installed on the vehicle body framework system and used for achieving the functions of decorating and protecting the vehicle body framework system. The walking assembly, the steering assembly, the braking system and the power system are all installed on the vehicle body framework assembly. The walking assembly is used for walking of the four-wheeler; the steering assembly is used for enabling the four-wheeler to turn; the braking system is used for braking the four-wheeler; and the power system is used for driving the four-wheeler to advance. The four-wheeler provided by the utility model meets the requirement of short-distance walking instead of walking in a single city, can keep out wind and rain, and is small in size and good in trafficability.

Description

Technical Field

[0001] The utility model belongs to the field of electric vehicles, and in particular relates to a single-person electric four-wheel vehicle. Background Art

[0002] Electric scooters are becoming more and more popular among people because of their environmental protection, simple operation and small size. Electric scooters suitable for medium and short distances, low speeds, and single-person riding bring great convenience to people's travel. Nowadays, new medium and short-distance means of transportation on the market include single-wheel body-sensing vehicles and two-wheel balance vehicles, both of which rely on the driver's body position control, with low safety, high operation difficulty, and no wind and rain protection; while traditional electric four-wheel vehicles are large in size, heavy in weight, and have poor operation stability and passing performance. Content of the Utility Model

[0003] In view of this, the utility model aims to provide a single-person electric four-wheel vehicle to meet the needs of single-person medium and short-distance commuting in the city, which can protect from wind and rain, is small in size, and has good passing performance for single-person electric four-wheel scooters.

[0004] To achieve the above object, the technical solution of the utility model is realized as follows:

[0005] A single-person electric four-wheel vehicle includes a body covering assembly, a body frame assembly, a traveling assembly, a steering assembly, a braking system and a power system;

[0006] The body covering assembly is installed on the body frame system to realize the functions of decorating and protecting the body frame system;

[0007] The traveling assembly, the steering assembly, the braking system and the power system are all installed on the body frame assembly; the traveling assembly is used for the four-wheel vehicle to travel; the steering assembly is used for the four-wheel vehicle to turn; the braking system is used to stop the four-wheel vehicle; the power system is used to drive the four-wheel vehicle forward.

[0008] Further, the body frame assembly includes a front support frame, a rear support frame, an upper support, and a front fork riser;

[0009] The front support frame, the rear support frame and the upper support frame are connected to each other to form the overall frame structure of the four-wheel vehicle; the space formed among the three is the cab;

[0010] The cab is provided with a front fork riser and a steering column mounting bracket for fixing the steering column of the steering assembly; the front support frame is provided with a front shock absorber upper mounting bracket, a front suspension upper swing arm mounting bracket and a front suspension lower swing arm mounting bracket; the rear support frame is provided with a rear suspension swing arm mounting bracket and a rear shock absorber spring mounting bracket.

[0011] Further, the traveling assembly includes a front suspension system and a rear suspension system;

[0012] The front suspension system includes a front upper suspension arm body, a front lower suspension arm body, a front shock absorber spring body, and bushings installed at both ends of the front upper suspension arm body and the front lower suspension arm body; a front shock absorber spring mounting bracket; a wheel; a front cross tube of the front upper suspension arm; an upper steering knuckle ear; a steering knuckle body; a lower steering knuckle ear; a front cross tube of the front lower suspension arm; a steering knuckle cross shaft;

[0013] The front shock absorber spring body is installed to the front lower suspension arm body through the front shock absorber spring mounting bracket, and the spring passes through between the front upper suspension arm bodies.

[0014] The front upper suspension arm body is connected to the upper steering knuckle ear of the steering knuckle body through the front cross tube of the front upper suspension arm, and the front lower suspension arm body is connected to the lower steering knuckle ear of the steering knuckle body through the front cross tube of the front lower suspension arm, and the steering knuckle body is also connected to the wheel through the steering knuckle cross shaft;

[0015] The front shock absorber spring is connected to the front upper shock absorber mounting bracket to realize the connection between the front suspension system and the front support skeleton;

[0016] The rear suspension system includes a rear axle, a rear suspension arm body, U-shaped mounting bolts, a rear shock absorber spring body, an upper mounting bracket, a lower mounting bracket, and a rear shock absorber spring mounting bracket;

[0017] Both ends of the rear axle are respectively connected to the wheels. The rear suspension arm body is arranged between the upper mounting bracket and the lower mounting bracket, and the U-shaped mounting bolts assemble the upper mounting bracket, the lower mounting bracket, and the rear suspension arm into a whole and install them to the rear axle;

[0018] One end of the rear shock absorber spring body is installed to the rear suspension arm through the rear shock absorber spring mounting bracket, and the other end is connected to the rear shock absorber spring mounting bracket to realize the connection between the rear suspension system and the rear support skeleton.

[0019] Furthermore, the steering assembly includes a steering handle, an upper steering column rotating rod, a universal joint, a lower steering column rotating rod, a steering tie rod, a steering swing arm, a steering shaft sleeve, and a return spring;

[0020] One end of the upper steering column rotating rod is connected to the steering handle, and the other end is connected to the lower steering column rotating rod through the universal joint; the steering swing arm is connected to the lower steering column rotating rod; the rotational motion of the steering column is changed into the swinging motion of the steering swing arm. One end of the steering tie rod is connected to the steering swing arm through a ball joint, and the other end is connected to the steering knuckle body of the front suspension system through a ball joint; realizing the conversion of the left and right rotation of the steering handle into the left and right rotation of the steering knuckle driving the wheel;

[0021] One end of the return spring is fixed on the mounting post of the steering swing arm, and the other end is connected to the vehicle body frame. The stretching and contraction of the spring are used to achieve the return of the steering; the upper rotating rod of the steering column is connected to the front fork riser to realize the cooperation between the steering assembly, the vehicle body frame assembly and the traveling assembly.

[0022] Further, the braking system includes a brake pedal, a brake master cylinder, brake pipelines, a front brake caliper and a rear drum brake;

[0023] The brake pedal is installed on the vehicle body frame and applies pressure to the brake master cylinder bolted to the brake pedal bracket; the brake pipelines are arranged on the vehicle body frame to transmit the pressure of the brake master cylinder to the front brake caliper fixed on the steering knuckle body and the rear drum brake built into the rear axle.

[0024] Further, the power system includes a power battery, an electrical wiring harness, a controller, a combination switch, a start switch, a front headlight, an instrument panel, a power motor, and an accelerator pedal;

[0025] The power battery is installed on the vehicle body frame, the electrical wiring harness is arranged along the vehicle body frame to connect each electrical component, the controller is installed on the rear part frame of the vehicle, the combination switch and the start switch are arranged on the instrument panel cover, the front headlight is fixed to the front part frame of the vehicle body, the instrument panel is fixed to the instrument panel cover, the power motor is fixed to the rear axle, and the accelerator pedal is bolted and fixed to the vehicle body frame.

[0026] Compared with the prior art, the single-person electric four-wheeler of the present utility model has the following advantages:

[0027] The single-person electric four-wheeler of the present utility model has a length of 1830 mm, a width of 940 mm, and a height of 1730 mm. Compared with traditional electric four-wheelers, it is shorter in length, narrower in width, has relatively better passability, can cope with more complex road conditions and is convenient for parking; the single-person electric four-wheeler of the present invention controls the steering through a steering handle, the wheels are connected to the vehicle body frame system through a suspension system, and at the same time, there is a vehicle body cover outside. Compared with single-person body-sensing vehicles and two-wheeled balancing vehicles, it has higher safety and simpler operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The drawings constituting a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0029] Figure 1 is the overall external structure schematic diagram of the single-person electric four-wheeler of the present utility model;

[0030] Figure 2 is the exploded view of the system structures of the single-person electric four-wheeler of the present utility model;

[0031] Figure 3 It is a schematic structural diagram of the body covering component of the single-person electric four-wheel vehicle of the present utility model;

[0032] Figure 4 It is a schematic structural diagram of the body frame component of the single-person electric four-wheel vehicle of the present utility model;

[0033] Figure 5 It is a schematic diagram of the front suspension system of the single-person electric four-wheel vehicle of the present utility model;

[0034] Figure 6 It is a schematic diagram of the rear suspension system of the single-person electric four-wheel vehicle of the present utility model;

[0035] Figure 7 It is a schematic structural diagram of the steering component of the single-person electric four-wheel vehicle of the present utility model;

[0036] Figure 8 It is a schematic structural diagram of the braking system of the single-person electric four-wheel vehicle of the present utility model;

[0037] Figure 9 It is a schematic structural diagram of the power system of the single-person electric four-wheel vehicle of the present utility model;

[0038] Figure 10 It is the electrical schematic diagram of the single-person electric four-wheel vehicle of the present utility model.

[0039] Explanation of reference numerals:

[0040] 100, Body covering assembly; 101, Exterior covering part; 102, Interior covering part; 103, Seat assembly; 104, Instrument panel covering part; 105, External rearview mirror; 200, Body frame assembly; 201, Front support frame; 202, Rear support frame; 203, Upper support frame; 204, Front fork riser; 205, Front shock absorber upper mounting bracket; 206, Front suspension upper swing arm mounting bracket; 207, Front suspension lower swing arm mounting bracket; 208, Rear suspension swing arm mounting bracket; 209, Rear shock absorber spring mounting bracket; 211, Steering column mounting bracket; 300, Running assembly; 301, Front suspension upper swing arm body; 302, Front suspension lower swing arm body; 303, Front shock absorber spring body; 304, Bush; 305, Front shock absorber spring mounting bracket; 306, Wheel; 307, Front suspension upper swing arm front cross tube; 308, Steering knuckle upper hanger; 309, Steering knuckle body; 310, Steering knuckle lower hanger; 311, Front suspension lower swing arm front cross tube; 312, Steering knuckle cross axis; 313, Rear axle; 315, Rear suspension swing arm; 316, U-shaped mounting bolt; 317, Rear shock absorber spring; 318, Upper mounting bracket; 319, Lower mounting bracket; 320, Rear shock absorber spring mounting bracket; 400, Steering assembly; 401, Steering handle; 402, Upper steering column rotating rod; 403, Universal joint; 404, Lower steering column rotating rod; 407, Steering shaft bush; 406, Steering swing arm; 405, Steering tie rod; 408, Ball head; 410, Return spring; 500, Braking system; 501, Brake pedal; 502, Brake master cylinder; 503, Brake pipeline; 504, Front brake caliper; 505, Rear drum brake; 600, Power system; 601, Power battery; 602, Electrical wiring harness; 603, Controller; 604, Combination switch; 605, Start switch; 606, Headlight; 607, Instrument; 608, Power motor; 609, Accelerator pedal. Detailed implementation manners

[0041] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments may be combined with each other.

[0042] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more.

[0043] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific circumstances.

[0044] The following will refer to the drawings and in combination with embodiments to elaborate on the present utility model in detail.

[0045] A single-person electric four-wheeler, comprising a body covering assembly 100, a body frame assembly 200, a traveling assembly 300, a steering assembly 400, a braking system 500, and a power system 600;

[0046] The body covering assembly 100 is installed on the body frame system, for realizing the functions of decorating and protecting the body frame system;

[0047] The body covering assembly 100 includes an exterior covering member 101, an interior covering member 102, an instrument panel covering member 104, a seat assembly 103, which play the roles of beautifying and covering and protecting functions, providing a riding environment for the driver, and also provided with an exterior rearview mirror 105.

[0048] The traveling assembly 300, the steering assembly 400, the braking system 500, and the power system 600 are all installed on the body frame assembly 200; the traveling assembly 300 is used for the four-wheeler to travel; the steering assembly 400 is used for the four-wheeler to turn; the braking system 500 is used for braking the four-wheeler; the power system 600 is used for driving the four-wheeler forward.

[0049] Preferably, the vehicle body frame assembly 200 includes a front support frame 201, a rear support frame 202, an upper support, and a front fork riser 204;

[0050] The front support frame 201, the rear support frame 202, and the upper support frame 203 are interconnected to form the overall frame structure of the four-wheeled vehicle; the space formed among the three is the cab;

[0051] The cab is provided with a front fork riser 204 and a steering column mounting bracket 211 for fixing the steering column of the steering assembly 400; the front support frame 201 is provided with a front shock absorber upper mounting bracket 205, a front suspension upper swing arm mounting bracket 206, and a front suspension lower swing arm mounting bracket 207; the rear support frame 202 is provided with a rear suspension swing arm mounting bracket 208 and a rear shock absorber spring 317 mounting bracket 209.

[0052] Preferably, the traveling assembly 300 includes a front suspension system and a rear suspension system;

[0053] Among them, the front suspension system includes a front suspension upper swing arm body 301, a front suspension lower swing arm body 302, a front shock absorber spring body 303, bushings 304 installed at both ends of the front suspension upper swing arm body 301 and the front suspension lower swing arm body 302; a front shock absorber spring mounting bracket 305; a wheel 306; a front suspension upper swing arm front cross tube 307; a steering knuckle upper hanger 308; a steering knuckle body 309; a steering knuckle lower hanger 310; a front suspension lower swing arm front cross tube 311; a steering knuckle cross shaft 312;

[0054] The front shock absorber spring body 303 is installed to the front suspension lower swing arm body 302 through the front shock absorber spring mounting bracket 305, and the spring passes through between the front suspension upper swing arm bodies 301.

[0055] The front suspension upper swing arm body 301 is connected to the steering knuckle upper hanger 308 of the steering knuckle body 309 through the front suspension upper swing arm front cross tube 307, the front suspension lower swing arm body 302 is connected to the steering knuckle lower hanger 310 of the steering knuckle body 309 through the front suspension lower swing arm front cross tube 311, and the steering knuckle body 309 is also connected to the wheel 306 through the steering knuckle cross shaft 312;

[0056] The front shock absorber spring is connected to the front shock absorber upper mounting bracket 205 to realize the connection between the front suspension system and the front support frame 201;

[0057] The excitation of the road surface on the two front wheels is converted into the swing of the front suspension upper swing arm body 301 and the front suspension lower swing arm body 302, and through the elasticity and buffering of the front shock absorber spring body 303, the driving experience of the driver can be effectively improved.

[0058] The rear suspension system includes a rear axle 313, the body of a rear suspension swing arm 315, U-shaped mounting bolts 316, the body of a rear shock absorber spring 317, an upper mounting bracket 318, a lower mounting bracket 319, and a rear shock absorber spring 317 mounting bracket 209;

[0059] Both ends of the rear axle 313 are respectively connected to wheels 306. The body of the rear suspension swing arm 315 is arranged between the upper mounting bracket 318 and the lower mounting bracket 319. The U-shaped mounting bolts 316 combine the upper mounting bracket 318, the lower mounting bracket 319, and the rear suspension swing arm into a whole and mount it to the rear axle 313;

[0060] One end of the body of the rear shock absorber spring 317 is mounted to the rear suspension swing arm through the rear shock absorber spring 317 mounting bracket 209, and the other end is connected to the rear shock absorber spring 317 mounting bracket 209, realizing the connection between the rear suspension system and the rear support frame 202. The impact from the ground is buffered through the stretching and compression of the body of the rear shock absorber spring 317.

[0061] Preferably, the steering assembly 400 includes a steering handle 401, an upper steering column rotating rod 402, a universal joint 403, a lower steering column rotating rod 404, a steering tie rod 405, a steering swing arm 406, a steering shaft sleeve 407304, and a return spring 410;

[0062] One end of the upper steering column rotating rod 402 is connected to the steering handle 401, and the other end is connected to the lower steering column rotating rod 404 through the universal joint 403; the steering swing arm 406 is connected to the lower steering column rotating rod 404; converting the rotational motion of the steering column into the swinging motion of the steering swing arm 406. One end of the steering tie rod 405 is connected to the steering swing arm 406 through a ball joint 408, and the other end is connected to the steering knuckle body 309 of the front suspension system through the ball joint 408; realizing the conversion of the left and right rotation of the steering handle 401 into the left and right rotation of the steering knuckle driving the wheels 306;

[0063] One end of the return spring 410 is fixed on the mounting column of the steering swing arm 406, and the other end is connected to the vehicle body frame. The return of the steering is realized by using the stretching and contraction of the spring; the upper steering column rotating rod 402 is connected to the front fork riser 204, realizing the cooperation between the steering assembly 400, the vehicle body frame assembly 200, and the traveling assembly 300.

[0064] Preferably, the braking system 500 includes a brake pedal 501, a brake master cylinder 502, brake pipelines 503, a front brake caliper 504, and a rear drum brake 505;

[0065] The brake pedal 501 is installed on the vehicle body frame and applies pressure to the master cylinder 502 that is bolted to the bracket of the brake pedal 501; the brake pipeline 503 is arranged on the vehicle body frame to transmit the pressure of the master cylinder 502 to the front brake caliper 504 fixed to the steering knuckle body 309 and the rear drum brake 505 built into the rear axle 313.

[0066] Preferably, the power system 600 includes a power battery 601, an electrical wiring harness 602, a controller 603, a combination switch 604, a start switch 605, front headlights 606, an instrument panel 607, a power motor 608, and an accelerator pedal 609;

[0067] The power battery 601 is installed on the vehicle body frame, the electrical wiring harness 602 is arranged along the vehicle body frame to connect each electrical component, the controller 603 is installed on the rear part of the vehicle body frame, the combination switch 604 and the start switch 605 are arranged on the cover 104 of the instrument panel 607, the front headlights 606 are fixed to the front part of the vehicle body frame, the instrument panel 607 is fixed to the cover 104 of the instrument panel 607, the power motor 608 is fixed to the rear axle 313, and the accelerator pedal 609 is bolted and fixed to the vehicle body frame.

[0068] Usage method: The driver sits on the seat and turns on the start switch 605 to start the four-wheel scooter; step on the accelerator pedal 609 to accelerate. When driving straight, the power motor 608 drives the rear wheels to rotate through the rear axle 313 to ensure the vehicle moves forward. When the four-wheel scooter turns left (right), the driver applies a left (right) deflection force to the steering handle 401 to make the front wheels deflect left (right) by a certain angle around the longitudinal direction (i.e., the driving direction) of the four-wheel scooter;

[0069] When the turning is completed and the driver reduces the deflection force on the steering handle 401, the front wheels are assisted to reset under the elastic deformation restoring force of the steering return spring.

[0070] When the single-person electric four-wheel scooter passes over a bumpy road surface, the excitation of the road surface on the front wheels is converted into the swinging of the front suspension upper swing arm body 301 and the front suspension lower swing arm body 302. At the same time, the front suspension shock spring body compresses or stretches to achieve the purpose of shock absorption; the excitation of the road surface on the rear wheels is converted into the swinging of the rear suspension swing arm body, and at the same time, the rear shock spring 317 body at the rear of the swing arm compresses or stretches to achieve the purpose of shock absorption; the driver obtains a good driving experience.

[0071] When the driver brakes, the driver can transmit the braking force to the master cylinder 502 through the brake pedal 501, and the master cylinder 502 transmits it to the front wheel brake assembly and the rear wheel brake assembly through the brake pipeline to decelerate and stop the vehicle.

[0072] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A single-person electric four-wheel vehicle, characterized in that: Including body covering components, body frame components, running components, steering components, braking system and power system; The body covering assembly is installed on the body frame system to achieve the decoration and protection functions of the body frame system; The walking assembly, steering assembly, braking system and power system are all installed on the body frame assembly; the walking assembly is used for the four-wheel vehicle to walk; the steering assembly is used for the four-wheel vehicle to turn; the braking system is used for stopping the four-wheel vehicle; and the power system is used for driving the four-wheel vehicle forward.

2. A single-person electric four-wheel vehicle according to claim 1, characterized in that: The vehicle body frame assembly includes a front support frame, a rear support frame, an upper support, and a front fork riser; The front support frame, the rear support frame and the upper support frame are connected to each other to form the overall frame structure of the four-wheel vehicle; the space formed between the three is the cab; The cab is provided with a front fork riser and a steering column mounting bracket for fixing the steering column of the steering assembly; the front support frame is provided with a front shock absorber upper mounting bracket, a front suspension upper swing arm mounting bracket and a front suspension lower swing arm mounting bracket; the rear support frame is provided with a rear suspension swing arm mounting bracket and a rear shock absorber spring mounting bracket.

3. A single-person electric four-wheel vehicle according to claim 2, characterized in that: The traveling assembly includes a front suspension system and a rear suspension system; The front suspension system includes a front suspension upper swing arm body, a front suspension lower swing arm body, a front shock absorber spring body, axle sleeves installed at both ends of the front suspension upper swing arm body and the front suspension lower swing arm body; a front shock absorber spring mounting bracket; a wheel; a front cross tube of the front suspension upper swing arm; an upper hanging ear of the steering knuckle; a steering knuckle body; a lower hanging ear of the steering knuckle; a front cross tube of the front suspension lower swing arm; and a steering knuckle cross shaft; The front shock absorber spring body is installed to the front suspension lower arm body through the front shock absorber spring mounting bracket, and the spring passes through the front suspension upper arm body. The front suspension upper swing arm body is connected to the upper knuckle lug of the steering knuckle body through the front cross tube of the front suspension upper swing arm, the front suspension lower swing arm body is connected to the lower knuckle lug of the steering knuckle body through the front cross tube of the front suspension lower swing arm, and the steering knuckle body is also connected to the wheel through the steering knuckle cross shaft; The front shock absorber spring is connected to the front shock absorber upper mounting bracket to achieve the connection between the front suspension system and the front support frame; The rear suspension system includes a rear axle, a rear suspension swing arm body, a U-shaped mounting bolt, a rear shock absorber spring body, an upper mounting bracket, a lower mounting bracket and a rear shock absorber spring mounting bracket; The two ends of the rear axle are connected to the wheels respectively, the rear suspension swing arm body is arranged between the upper mounting bracket and the lower mounting bracket, and the U-shaped mounting bolts combine the upper mounting bracket, the lower mounting bracket and the rear suspension swing arm into a whole and install them to the rear axle; One end of the rear shock absorber spring body is installed on the rear suspension swing arm through the rear shock absorber spring mounting bracket, and the other end is connected to the rear shock absorber spring mounting bracket to achieve the connection between the rear suspension system and the rear support frame.

4. A single-person electric four-wheel vehicle according to claim 3, characterized in that: The steering assembly comprises a steering handle, an upper turning rod of a steering column, a universal joint, a lower turning rod of a steering column, a steering tie rod, a steering swing arm, a steering bushing and a return spring; One end of the upper turning rod of the steering column is connected to the steering handle, and the other end is connected to the lower turning rod of the steering column through a universal joint; the steering swing arm is connected to the lower turning rod of the steering column; the rotation of the steering column is converted into the swing of the steering swing arm; one end of the steering tie rod is connected to the steering swing arm through a ball head, and the other end is connected to the steering knuckle body of the front suspension system through a ball head; the left and right rotation of the steering handle is converted into the left and right rotation of the wheel driven by the steering knuckle; One end of the return spring is fixed on the mounting column of the steering swing arm, and the other end is connected to the body frame. The extension and contraction of the spring is used to achieve the resetting of the steering. The upper turning rod of the steering column is connected to the front fork riser to achieve the coordination between the steering assembly, the body frame assembly and the running assembly.

5. The one-person electric four-wheel vehicle according to claim 3, characterized in that: The brake system includes a brake pedal, a brake master cylinder, a brake line, a front brake caliper and a rear drum brake; The brake pedal is installed on the vehicle body frame to apply pressure to the brake master cylinder which is screwed on the brake pedal bracket; the brake pipeline is arranged on the vehicle body frame to transmit the pressure of the brake master cylinder to the front brake caliper fixed on the steering knuckle body and the rear drum brake built into the rear axle.

6. The one-person electric four-wheel vehicle according to claim 1, characterized in that: The power system includes power battery, electrical wiring harness, controller, combination switch, start switch, headlight, instrument, power motor, and accelerator pedal; The power battery is installed on the body frame, the electrical wiring harness is arranged along the body frame to connect various electrical components, the controller is installed on the rear body frame, the combination switch and start switch are arranged on the dashboard cover, the headlights are fixed to the front body frame, the instrument is fixed to the dashboard cover, the power motor is fixed to the rear axle, and the accelerator pedal is screwed and fixed to the body frame.

Images