Folding three-form electric scooter

Abstract

The invention relates to the technical field of electric scooters, and discloses a folding type three-form electric scooter which comprises a front scooter plate, a steering assembly is arranged on the inner wall of the front scooter plate, fixing grooves are formed in the outer walls of the two sides of the front scooter plate, sliding grooves are formed in the outer wall of the front scooter plate, and sliding blocks are slidably connected to the inner walls of the sliding grooves. A folding assembly is arranged on the outer wall of the sliding block, a rear vehicle plate is installed on the outer wall of the folding assembly, a foldable vehicle seat assembly is arranged on the inner wall of the rear vehicle plate, and foldable pedals are installed on the outer walls of the two sides of the front vehicle plate. According to the folding type three-form electric scooter, the highly-integrated driving chip DRV8301 is adopted, over-temperature and over-current protection can be achieved, PWM signals are given to the chip through the MCU to drive and control a three-phase bridge driving circuit of a brushless hub motor, precise control is achieved by combining an FOC algorithm, the design size of the circuit can be greatly reduced due to the fact that the chip is highly integrated, and therefore the design size of the circuit can be greatly reduced. The requirements of small vehicles are met.

Description

Technical Field

[0001] The present invention relates to the technical field of electric scooters, in particular to a foldable three-form electric scooter. Background Art

[0002] Electric scooters are gradually becoming a mainstream means of transportation, especially in closed road scenarios such as campuses, corporate parks and scenic spots.

[0003] At present, the electric vehicles on the market have a single structure, single function, bulky body, single entertainment and poor portability. The existing equipment only has a single electric vehicle form or electric scooter form. The electric vehicle has the disadvantage of single entertainment, while the electric scooter has the disadvantage of slow speed and inferior safety to the electric vehicle. Both have the disadvantage of being inconvenient to carry. There is an urgent need for a more convenient and portable multi-form electric scooter that can not only enrich people's travel methods and realize the seamless connection between short-distance transportation points and public transportation stations, but also provide users with scooter entertainment to meet user needs. Summary of the invention

[0004] The present invention provides a foldable three-form electric scooter, which has the advantages of integrating an electric bicycle form, an electric scooter form and a foldable storage form, and achieves the advantage of rapid conversion of the three forms through a new and fast folding method, thereby solving the problems raised by the above-mentioned background technology.

[0005] The present invention provides the following technical solution: a foldable three-form electric scooter, comprising a front vehicle plate, the inner wall of the front vehicle plate is provided with a steering assembly, the outer walls on both sides of the front vehicle plate are provided with fixing grooves, the outer wall of the front vehicle plate is provided with a slide groove, the inner wall of the slide groove is slidably connected with a slider, the outer wall of the slider is provided with a folding assembly, the outer wall of the folding assembly is installed with a rear vehicle plate, the inner wall of the rear vehicle plate is provided with a foldable seat assembly, and the outer walls on both sides of the front vehicle plate are installed with foldable pedals.

[0006] As a preferred technical solution of the present invention, both side outer walls of the rear panel are provided with locking grooves, a rear wheel is installed at one end of the rear panel away from the folding assembly, an arc-shaped plate is fixedly installed on the top of the rear wheel, an inner lining groove is fixedly installed in the inner cavity of the rear panel, a fixing block is fixedly installed on the bottom of the inner wall of the inner lining groove, and the front panel, the rear panel and the supporting frame are all made of aluminum alloy.

[0007] As a preferred technical solution of the present invention, the device as a whole adopts a drive board integrated current and DRV8301 gate drive chip, the rear wheel is equipped with a brake system, and the brake system is installed with a brushless hub motor and a foot brake device, and the inner cavity of the front vehicle plate is equipped with an integrated gyroscope device and an acceleration sensor.

[0008] As a preferred technical solution of the present invention, the steering assembly includes a connecting round rod, a handlebar rod is fixedly mounted on the top of the connecting round rod, handlebar lights are fixedly mounted on the outer walls at both ends of the handlebar rod, a fixed base is mounted on the bottom of the connecting round rod, one end of a steering connector 1 is mounted on both ends of the bottom of the fixed base, the other end of the steering connector 1 is rotatably connected to a steering connector 2, a steering connector 3 is mounted on the top of the steering connector 2, and a front wheel is arranged on the outer wall of the steering connector 1.

[0009] As a preferred technical solution of the present invention, the number of the handlebar lights, steering connector 1, steering connector 2, steering connector 3 and front wheels is two, and the two handlebar lights, steering connector 1, steering connector 2, steering connector 3 and front wheels are symmetrically distributed on the outer walls on both sides of the connecting round rod, and the inner cavity of the front wheel is installed with a brake system.

[0010] As a preferred technical solution of the present invention, a display screen and a controller for controlling the display screen and the device are arranged on the top of the handlebar, and the controller can be connected to the terminal device via Bluetooth, and an integrated encoder is installed between the handlebar and the handlebar light.

[0011] As a preferred technical solution of the present invention, the folding assembly includes a folding block, the inner wall of the folding block is rotatably connected to a mounting bolt, circular grooves are provided on the outer walls of both sides of the folding block, and cylindrical buckles are provided on the inner walls of the circular grooves, and a rotating block is sleeved on the outer wall of the mounting bolt.

[0012] As a preferred technical solution of the present invention, one end of the folding block away from the slider is fixedly connected to the outer wall of the rear panel, the folding block and the slider are rotatably connected by installing bolts, and the outer wall of one side of the rotating block away from the folding block is fixedly connected to the slider.

[0013] As a preferred technical solution of the present invention, the foldable seat assembly includes a seat bracket, the inner wall of the seat bracket is rotatably connected to a rotating shaft, the inner wall of the rotating shaft is rotatably connected to a shock-absorbing rod, the bottom of the shock-absorbing rod is threadedly connected to a connecting nut, a pin is installed on the outer wall of the rotating shaft, and the seat body is fixedly assembled on the end of the shock-absorbing rod away from the connecting nut.

[0014] As a preferred technical solution of the present invention, the seat bracket rotates on the inner wall of the rear panel through a rotating shaft, the rotating shaft is located on the inner wall of the inner lining groove, the thickness of the inner lining groove is adapted to the width of the seat bracket, and the pin passes through the outer wall of the seat bracket and the outer wall of the shock absorber rod respectively.

[0015] The present invention has the following beneficial effects:

[0016] 1. This foldable three-form electric scooter uses a highly integrated driver chip DRV8301 to achieve over-temperature and over-current protection. The MCU gives the chip PWM signal to drive the three-phase bridge drive circuit of the brushless hub motor, and combines the FOC algorithm to achieve precise control. Because of its high degree of integration, this chip can greatly reduce the design size of the circuit, which meets the needs of small vehicles.

[0017] 2. The foldable three-form electric scooter, by combining an electric car with an electric scooter, can not only meet people's entertainment needs, but also meet the requirements of speed and safety under specific conditions. The device can meet people's daily commuting needs and entertainment needs. When used in conjunction with the folding component and the electric control mechanism, the device can achieve three different body form conversions within one minute, and use various buckle designs to achieve fixation. The form can be quickly changed to meet the user's needs for the equipment, so that the device can be used by a wide range of people, and the device can be suitable for leisure and entertainment in parks, playgrounds, etc. and short-distance transportation in parks.

[0018] 3. The foldable three-form electric scooter detects the operation of the driving board in real time through the integrated current, voltage and temperature detection circuits on the driving board to ensure the safe operation of the foldable skateboard electric vehicle. Moreover, since the device as a whole adopts the ESP32S single-chip microcomputer as the main control chip, the control program is simpler and the performance is sufficient to control the driving circuit. At the same time, compared with the STM32 chip, the cost is lower, thereby achieving the purpose of energy saving and environmental protection.

[0019] 4. The foldable three-form electric scooter adopts a new type of brake device and has three braking methods: when the device is in the form of an electric vehicle, the handlebar light turns forward to brake the vehicle. When a fault occurs, the foot brake device on the rear wheel can effectively ensure the safety of the user; when the device is in the form of a scooter, the remote control can be used to brake the vehicle, and the foot brake on the rear wheel can also be used to brake the vehicle. At the same time, when the battery is exhausted during use, the device can be used as an ordinary scooter. Since the device is made of aluminum alloy, it is relatively light as a whole and can be easily carried.

[0020] 5. The foldable three-form electric scooter is equipped with an integrated gyroscope device and an acceleration sensor. It can be seen that the device can detect acceleration and angular velocity at three angles. When a collision occurs, there will be a collision sensor and power will be cut off in time to prevent the user from falling and causing accidents during use, thereby effectively increasing the safety of the device.

[0021] 6. This foldable three-form electric scooter can drive two high-power MOS tubes through a gate drive chip. The MOS tubes are turned on when braking. The two phases of the brushless motor cannot be directly connected to the power dissipation resistor. At this time, the brushless motor is equivalent to a generator, which converts kinetic energy into electrical energy and then converts it into heat energy through the power dissipation resistor, thereby achieving rapid braking. If the controller detects that the braking force is too slow, it will also generate a directional braking force for the motor through the driver to ensure braking stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of the electric vehicle of the present invention;

[0023] Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention;

[0024] Figure 3 It is a schematic diagram of the cross-sectional structure of the present invention;

[0025] Figure 4 This is a schematic diagram of the trailer structure of the present invention;

[0026] Figure 5 This is a schematic diagram of the scooter structure of the present invention;

[0027] Figure 6 This is a schematic diagram of the structure of the steering assembly of the present invention;

[0028] Figure 7 This is a schematic diagram of the folding assembly structure of the present invention;

[0029] Figure 8 It is a schematic structural diagram of a foldable vehicle seat assembly of the present invention;

[0030] Fig. 9 This is a schematic diagram of the driving chip principle of the present invention;

[0031] Fig.10 Schematic diagram of the electronic brake circuit R+ external power dissipation resistor of the present invention.

[0032] In the figure: 1, front vehicle plate; 2, steering assembly; 3, fixing groove; 4, slide groove; 5, slider; 6, folding assembly; 7, rear vehicle plate; 8, foldable vehicle seat assembly; 9, positioning groove; 10, rear wheel; 11, curved plate; 12, supporting frame; 13, lining groove; 14, foldable footrest; 15, fixing block;

[0033] 201, connecting rod; 202, handlebar rod; 203, handlebar light; 204, fixed base; 205, steering connector 1; 206, steering connector 2; 207, steering connector 3; 208, front wheel;

[0034] 601, folding block; 602, mounting bolt; 603, circular groove; 604, rotating block;

[0035] 801, vehicle seat bracket; 802, rotating shaft; 803, shock-absorbing rod; 804, connecting nut; 805, latch; 806, vehicle seat body. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] See also Figure 1 - Fig.10 , comprising a front vehicle plate 1, the inner wall of the front vehicle plate 1 is provided with a steering assembly 2, both sides of the outer walls of the front vehicle plate 1 are provided with a fixing groove 3, the outer wall of the front vehicle plate 1 is provided with a slide groove 4, the inner wall of the slide groove 4 is slidably connected with a slider 5, the outer wall of the slider 5 is provided with a folding assembly 6, the outer wall of the folding assembly 6 is installed with a rear vehicle plate 7, the inner wall of the rear vehicle plate 7 is provided with a foldable vehicle seat assembly 8, and both sides of the outer walls of the front vehicle plate 1 are provided with foldable pedals 14;

[0038] By utilizing the above structure, the device adopts a simple, safe and reliable positionable slide rail and hinge-like folding structure in structural design, which greatly improves the safety and structural stability of the device, can better ensure the safety of people when using the device, and increase user comfort.

[0039] In a preferred embodiment, both sides of the outer wall of the rear vehicle plate 7 are provided with a positioning groove 9, a rear wheel 10 is installed at one end of the rear vehicle plate 7 away from the folding assembly 6, a curved plate 11 is fixedly mounted on the top of the rear wheel 10, an inner lining groove 13 is fixedly mounted in the inner cavity of the rear vehicle plate 7, a fixing block 15 is fixedly mounted on the bottom of the inner wall of the inner lining groove 13, and the front vehicle plate 1 and the rear vehicle plate 7 and the supporting frame 12 are all made of aluminum alloy;

[0040] Utilizing the above structure, through the characteristics that the front vehicle plate 1, the rear vehicle plate 7 and the supporting frame 12 are all made of aluminum alloy, it can be known that under the premise of ensuring the structural strength, the use of aluminum alloy can effectively reduce the weight of the vehicle body, thereby making it convenient for people to carry when going out.

[0041] In a preferred embodiment, the device as a whole adopts a drive board integrated current and DRV8301 gate drive chip, the rear wheel 10 is equipped with a brake system, and the brake system is installed with a brushless hub motor and a foot brake device, and the inner cavity of the front vehicle plate 1 is equipped with an integrated gyroscope device and an acceleration sensor;

[0042] By utilizing the above structure and using the characteristics of the DRV8301 gate driver chip to design the circuit, the device can greatly save circuit board design space, be more suitable for small-sized electronic control systems, and have better safety. By using a highly integrated driver chip DRV8301, over-temperature and over-current protection can be achieved. The MCU gives this chip a PWM signal to drive and control the three-phase bridge drive circuit of the brushless hub motor, and combines the FOC algorithm to achieve precise control. Because of its high degree of integration, this chip can greatly reduce the design size of the circuit, which meets the needs of small vehicles.

[0043] In a preferred embodiment, the steering assembly 2 includes a connecting rod 201, a handlebar rod 202 is fixedly mounted on the top of the connecting rod 201, handlebar lights 203 are fixedly mounted on the outer walls of both ends of the handlebar rod 202, a fixed base 204 is mounted on the bottom of the connecting rod 201, one end of a steering connector 205 is mounted on both ends of the bottom of the fixed base 204, the other end of the steering connector 205 is rotatably connected to a steering connector 206, a steering connector 3 207 is mounted on the top of the steering connector 206, and a front wheel 208 is arranged on the outer wall of the steering connector 205;

[0044] By utilizing the above structure, through the coordinated use of the handlebar rod 202, the handlebar light 203, the steering connector 1 205, the steering connector 206, the steering connector 3 207 and the front wheel 208, the handlebar light 203 can drive the steering connector 1 205 to rotate when actively rotating, thereby realizing the steering work of the entire device. Compared with the existing two-wheel steering structure, it is more stable, and compared with the traditional steering system, the steering of this device is more convenient and simple, thereby effectively improving the stability of the structure.

[0045] In a preferred embodiment, the number of the handlebar lights 203, the steering connector 1 205, the steering connector 206, the steering connector 3 207 and the front wheel 208 is two, and the two handlebar lights 203, the steering connector 1 205, the steering connector 206, the steering connector 3 207 and the front wheel 208 are symmetrically distributed on the outer walls of both sides of the connecting rod 201, and the inner cavity of the front wheel 208 is installed with a brake system;

[0046] By using the above structure, through the characteristics of installing an integrated encoder between the handlebar 202 and the handlebar light 203, it can be known that it can be used to collect the rotation angle information of the handlebar light 203, and can realize forward electronic braking and backward acceleration with the single-chip microcomputer of the control unit. At the same time, the device is different from the previous ordinary electric vehicles. The braking form of the device is changed. The traditional brake line is removed and a brushless hub motor is used, which can realize both electric drive and electric braking;

[0047] A gate driver chip can drive two high-power MOS tubes to turn on the MOS tubes during braking. The two phases of the brushless motor cannot be directly connected to the power dissipation resistor. At this time, the brushless motor is equivalent to a generator, which converts kinetic energy into electrical energy and then converts it into heat energy through the power dissipation resistor, thereby achieving rapid braking. If the controller detects that the braking force is too slow, it will also generate a directional braking force for the motor through the driver to ensure braking stability.

[0048] In a preferred embodiment, a display screen and a controller for controlling the display screen and the device are provided on the top of the handlebar 202, and the controller can be connected to the terminal device via Bluetooth, and an integrated encoder is installed between the handlebar 202 and the handlebar light 203;

[0049] Utilizing the above structure, a display screen and a controller for controlling the display screen and the device are provided on the top of the handlebar rod 202, and the controller can be connected to the terminal device via Bluetooth. It can be seen that the device can realize the connection with the mobile phone Bluetooth and navigation function, and when the device is in the form of an electric vehicle, it can better provide users with more comfortable services.

[0050] In a preferred embodiment, the folding assembly 6 includes a folding block 601, the inner wall of the folding block 601 is rotatably connected with a mounting bolt 602, both sides of the outer wall of the folding block 601 are provided with a circular groove 603, and the inner wall of the circular groove 603 is provided with a cylindrical buckle, and the outer wall of the mounting bolt 602 is sleeved with a rotating block 604;

[0051] In a preferred embodiment, one end of the folding block 601 away from the slider 5 is fixedly connected to the outer wall of the rear vehicle plate 7, the folding block 601 and the slider 5 are rotatably connected by mounting bolts 602, and the outer wall of one side of the rotating block 604 away from the folding block 601 is fixedly connected to the slider 5;

[0052] By utilizing the above structure, the rotating block 604 can drive the slider 5 to rotate with the virtual center line of the mounting bolt 602 as the axis, so that the device can be converted into three different forms. The conversion can be simple, convenient and free, and the form conversion can be achieved within one minute. Various snap-on designs can be used for fixation, and the form can be quickly changed to meet the user's needs for the equipment.

[0053] In a preferred embodiment, the foldable vehicle seat assembly 8 includes a vehicle seat bracket 801, the inner wall of the vehicle seat bracket 801 is rotatably connected to a rotating shaft 802, the inner wall of the rotating shaft 802 is rotatably connected to a shock-absorbing rod 803, the bottom of the shock-absorbing rod 803 is threadedly connected to a connecting nut 804, a latch 805 is installed on the outer wall of the rotating shaft 802, and a vehicle seat body 806 is fixedly assembled at one end of the shock-absorbing rod 803 away from the connecting nut 804;

[0054] In a preferred embodiment, the seat bracket 801 rotates on the inner wall of the rear vehicle plate 7 via the rotating shaft 802, the rotating shaft 802 is located on the inner wall of the inner lining groove 13, the thickness of the inner lining groove 13 is adapted to the width of the seat bracket 801, and the latch 805 penetrates the outer wall of the seat bracket 801 and the outer wall of the shock-absorbing rod 803 respectively;

[0055] By utilizing the above structure, by adjusting the latch 805, the shock absorber rod 803 can be rotated to be retracted into the inner wall of the seat bracket 801, and can be retracted into the inner wall of the lining groove 13 by rotating the shaft 802 for storage, so that the device will not be difficult to store while converting to different vehicle body shapes.

[0056] Working principle: when using the device, according to actual conditions, the electric vehicle and the scooter can be conveniently switched at any time through the folding component 6 during use. The combination of the electric vehicle and the electric scooter can not only meet people's entertainment needs, but also meet the requirements of speed and safety under specific conditions. Secondly, the folding component 6 of the device can make the device quickly change between the electric skateboard, the electric bicycle and the portable folding form, and can be quickly fixed by using structures such as buckles, so that the folding of the folding component 6 can be more stable, and the setting of the steering component 2 enables the device to realize flexible and safe steering of the front wheel 208. At the same time, the device is different from ordinary electric vehicles in the past, and the braking form of the device is changed. , the traditional brake line is removed, and a brushless hub motor is used, so that the device can realize both electric drive and electric braking, and two high-power MOS tubes are driven by a gate drive chip to turn on the MOS tube when braking, and the two phases of the brushless motor are directly connected to the power dissipation resistor. At this time, the brushless is equivalent to a generator, which converts kinetic energy into electrical energy and then converts it into heat energy through the power dissipation resistor, thereby achieving rapid braking. If the controller detects that the braking force is too slow, it will also generate a directional braking force for the motor through the driver to ensure braking stability. Finally, it can be seen that the device can achieve three changes in vehicle body shape by adjusting the positions of the folding block 601, the rotating block 604 and the slider 5.

[0057] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0058] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A foldable three-position electric scooter, comprising a front panel (1), characterized in that: The inner wall of the front vehicle plate (1) is provided with a steering assembly (2), the outer walls on both sides of the front vehicle plate (1) are provided with fixing grooves (3), the outer wall of the front vehicle plate (1) is provided with a slide groove (4), the inner wall of the slide groove (4) is slidably connected with a slider (5), the outer wall of the slider (5) is provided with a folding assembly (6), the outer wall of the folding assembly (6) is installed with a rear vehicle plate (7), the inner wall of the rear vehicle plate (7) is provided with a foldable seat assembly (8), and the outer walls on both sides of the front vehicle plate (1) are installed with foldable pedals (14).

2. The foldable three-mode electric scooter according to claim 1, characterized in that: The outer walls on both sides of the rear vehicle plate (7) are provided with a locking groove (9); a rear wheel (10) is installed at one end of the rear vehicle plate (7) away from the folding assembly (6); a curved plate (11) is fixedly mounted on the top of the rear wheel (10); an inner lining groove (13) is fixedly mounted in the inner cavity of the rear vehicle plate (7); a fixing block (15) is fixedly mounted on the bottom of the inner wall of the inner lining groove (13); and the front vehicle plate (1), the rear vehicle plate (7) and the supporting frame (12) are all made of aluminum alloy.

3. The foldable three-mode electric scooter according to claim 2, characterized in that: The device as a whole adopts a drive board integrated current and a DRV8301 gate drive chip, the rear wheel (10) is equipped with a brake system, and the brake system is installed using a brushless hub motor and a foot brake device, and the inner cavity of the front vehicle plate (1) is equipped with an integrated gyroscope device and an acceleration sensor.

4. The foldable three-mode electric scooter according to claim 1, characterized in that: The steering assembly (2) comprises a connecting rod (201), a handlebar rod (202) is fixedly mounted on the top of the connecting rod (201), handlebar lights (203) are fixedly mounted on the outer walls at both ends of the handlebar rod (202), a fixed base (204) is mounted on the bottom of the connecting rod (201), one end of a steering connector 1 (205) is mounted on both ends of the bottom of the fixed base (204), the other end of the steering connector 1 (205) is rotatably connected to a steering connector 2 (206), a steering connector 3 (207) is mounted on the top of the steering connector 2 (206), and a front wheel (208) is arranged on the outer wall of the steering connector 1 (205).

5. The foldable three-mode electric scooter according to claim 4, characterized in that: The number of the handlebar lights (203), steering connector 1 (205), steering connector 2 (206), steering connector 3 (207) and front wheels (208) is two, and the two handlebar lights (203), steering connector 1 (205), steering connector 2 (206), steering connector 3 (207) and front wheels (208) are symmetrically distributed on the outer walls of both sides of the connecting round rod (201), and the inner cavity of the front wheel (208) is installed with a brake system.

6. The foldable three-mode electric scooter according to claim 5, characterized in that: A display screen and a controller for controlling the display screen and the device are arranged on the top of the handlebar (202), and the controller can be connected to the terminal device via Bluetooth. An integrated encoder is installed between the handlebar (202) and the handlebar light (203).

7. The foldable three-mode electric scooter according to claim 1, characterized in that: The folding assembly (6) comprises a folding block (601), the inner wall of the folding block (601) is rotatably connected to a mounting bolt (602), both outer walls of the folding block (601) are provided with circular grooves (603), and the inner wall of the circular groove (603) is provided with a cylindrical buckle, and the outer wall of the mounting bolt (602) is sleeved with a rotating block (604).

8. The foldable three-mode electric scooter according to claim 7, characterized in that: One end of the folding block (601) away from the slider (5) is fixedly connected to the outer wall of the rear vehicle plate (7); the folding block (601) and the slider (5) are rotatably connected via mounting bolts (602); and the outer wall of one side of the rotating block (604) away from the folding block (601) is fixedly connected to the slider (5).

9. The foldable three-mode electric scooter according to claim 1, characterized in that: The foldable vehicle seat assembly (8) comprises a vehicle seat bracket (801), the inner wall of the vehicle seat bracket (801) is rotatably connected to a rotating shaft (802), the inner wall of the rotating shaft (802) is rotatably connected to a shock-absorbing rod (803), the bottom of the shock-absorbing rod (803) is threadedly connected to a connecting nut (804), a latch (805) is installed on the outer wall of the rotating shaft (802), and a vehicle seat body (806) is fixedly assembled on one end of the shock-absorbing rod (803) away from the connecting nut (804).

10. The foldable three-mode electric scooter according to claim 9, characterized in that: The seat bracket (801) is rotated on the inner wall of the rear vehicle plate (7) via a rotating shaft (802), the rotating shaft (802) is located on the inner wall of an inner lining groove (13), the thickness of the inner lining groove (13) is adapted to the width of the seat bracket (801), and the latch (805) respectively penetrates the outer wall of the seat bracket (801) and the outer wall of the shock-absorbing rod (803).

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