Motor and brake combined type electric scooter

Abstract

The invention relates to the technical field of electric scooters, and discloses a motor and brake combined type electric scooter which comprises a motor assembly, a brake disc set and a rear wheel part, the motor assembly comprises a motor part and a motor shaft, the motor part is used for driving the motor shaft to rotate, the brake disc set comprises a brake plate and a brake, and a plate tooth set is formed on the periphery of the brake plate. The plate tooth set and the motor shaft are arranged in a meshed mode, the brake plate and the rear wheel piece are assembled, the brake plate is used for driving the rear wheel piece to rotate, the brake plate and the brake are assembled, and the brake is used for braking the brake plate. During driving, the motor part drives the brake plate to drive the rear wheel part to rotate, and driving of the scooter is met; during braking, the brake brakes the brake plate to limit rotation of the rear wheel piece, and braking of the scooter is met; the combination of the brake disc group and the motor assembly reduces the occupied space, and the brake plate and the rear wheel piece have a larger contact area, so that the brake of the rear wheel piece is more timely and stable, the brake effect and the brake stability of the scooter are improved, and the driving safety is improved.

Description

Technical Field

[0001] The invention patent relates to the technical field of electric scooters, and specifically, to a motor-brake combined electric scooter. Background Art

[0002] Electric scooters are a new type of skateboarding product after traditional skateboards. They are very labor-saving sports equipment. Scooters include motors, batteries, brake discs, etc. The batteries serve as a source of electricity, the motor provides driving force to drive the rear wheel through gears or belts to achieve drive, and the brake discs are used for braking.

[0003] For example, the prior patent with authorization announcement number CN220842851U discloses a two-wheel dual-drive electric scooter, which includes a power supply, a controller and a drive system; the drive system includes: a front wheel drive device, which includes a front wheel driven by a hub motor, and the hub motor is connected to the controller through a power cord; a rear wheel drive device, which includes a drive motor, a rear drive wheel and a transmission chain, the drive motor is fixed on a swing frame, the rear wheel axle of the rear drive wheel is penetrated and arranged on the swing frame, and gears are provided on the rear wheel axle and the output shaft of the motor, and a transmission chain is provided between the gears.

[0004] In the prior art, the motor drive and the brake are arranged independently, and the structural layout occupies a large space. At the same time, the brake disc is arranged on the rear axle, and the braking stability is poor by braking the rear axle. Summary of the invention

[0005] The purpose of the present invention is to provide a motor-brake combined electric scooter, aiming to solve the problem of poor braking stability in the prior art.

[0006] The present invention is implemented as follows: a motor-brake combined electric scooter comprises a motor assembly, a brake disc group and a rear wheel member, wherein the motor assembly comprises a motor member and a motor shaft, wherein the motor member is used to drive the motor shaft to rotate, the brake disc group comprises a brake plate and a brake, the outer periphery of the brake plate forms a plate tooth group, the plate tooth group is arranged in a circular manner, the plate tooth group is meshed with the motor shaft, the brake plate is assembled with the rear wheel member, the brake plate is used to drive the rear wheel member to rotate, the brake plate and the brake are assembled, and the brake is used to brake the brake plate.

[0007] Furthermore, the rear wheel component includes a wheel hub, and the wheel hub includes a hub chassis and a hub platform. The hub chassis and the hub platform are butt-jointed and integrally formed. The hub platform is convexly arranged along the radial direction, and the hub platform has a platform ring. The brake plate and the platform ring are overlapped and fixedly arranged.

[0008] Furthermore, an inter-hub groove is formed between the hub chassis and the brake plate, the brake includes a brake shell, the brake shell includes two shell seats, a brake groove is formed between the two shell seats, the brake plate is embedded in the brake groove, and one of the shell seats is embedded in the inter-hub groove.

[0009] Furthermore, the motor assembly includes a motor plate, which is arranged in a flat shape, the motor component is installed on the motor plate, and the motor shaft passes through the motor plate and is engaged with the plate tooth group; the two ends of the motor plate are respectively assembled with the rear wheel component and the frame.

[0010] Furthermore, the rear wheel member includes a wheel axle, the wheel axle is assembled with the wheel hub, and the wheel axle is located at the center of the wheel hub; one end of the motor plate forms a machine plate column, the machine plate column is assembled with the wheel axle, and the frame includes a rear connecting beam, the rear connecting beam is butt-jointed with the other end of the motor plate and fixedly arranged.

[0011] Furthermore, the motor-brake combined electric scooter includes a rear shock absorber, which is arranged in an inclined manner, the upper part of the rear shock absorber is arranged to be docked with the pedal member, and the lower part of the rear shock absorber is arranged to be docked and fixed with the motor plate.

[0012] Furthermore, the pedal component includes a pedal shell, a pedal fixing plate and an inclined pedal, the end of the pedal shell is assembled with the inclined pedal, the inclined pedal is arranged to extend upward and tilted, the upper part of the rear shock absorber is assembled with the inclined pedal, the lower part of the pedal fixing plate is docked with the pedal shell, and the upper part of the pedal fixing plate and the inclined pedal clamp the upper part of the rear shock absorber; the rear connecting beam is docked with the end of the pedal shell, and the inclined pedal is docked with the rear connecting beam in an upper and lower manner.

[0013] Furthermore, the battery component and the control module are respectively installed inside the pedal shell, the brake disc group includes a rear brake line, one end of the rear brake line passes through the pedal plate and is connected to the control module in signal communication, and the other end of the rear brake line is connected to the brake in signal communication; a plurality of fixing rods pass through the pedal plate and are locked with the pedal shell or the inclined pedal, and the plurality of fixing rods form a wire guide groove, and the rear brake line passes through the wire guide groove in an arc shape; the pedal component includes a pedal cover plate, the pedal cover plate and the pedal plate are arranged in an overlapping manner, and the pedal cover plate covers the wire guide groove.

[0014] Furthermore, the motor-brake combined electric scooter comprises a front beam, a front wheel member and a front shock absorber, wherein the upper portion of the front beam is assembled with the handlebar member, and the lower portion of the front beam is assembled with the rear wheel member; the front wheel member comprises a front control plate and a front brake, wherein the front brake receives a signal to brake the front control plate, and the front control plate is overlapped and docked with the front wheel body; the lower portion of the front beam forms a beam seat and a beam plate, wherein the beam seat is used to support and install the front brake, and a beam groove is formed between the beam seat and the beam plate, wherein the upper portion of the front shock absorber is docked with the front beam, and the lower portion of the front shock absorber is embedded with the beam groove, and the beam seat and the beam plate clamp the lower portion of the front shock absorber, and the front shock absorber is arranged in an inclined and extended manner.

[0015] Furthermore, the motor-brake combined electric scooter includes a turning aid, which is assembled with the handlebar piece. The turning aid includes a turning aid seat, a left telescopic rod, a left swing rod, a right telescopic rod and a right swing rod. The inner ends of the left telescopic rod and the right telescopic rod are respectively connected to the two ends of the turning aid seat, and the left telescopic rod and the right telescopic rod respectively receive instructions to extend or contract along the axial direction of the turning aid seat. The outer end of the left telescopic rod is connected to one end of the left swing rod, and the other end of the left swing rod is connected to the handlebar piece. The outer end of the right telescopic rod is connected to one end of the right swing rod, and the other end of the right swing rod is connected to the handlebar piece; the upper end of the rear brake line is connected to the handle of the handlebar piece, and the upper end of the rear brake line respectively passes through the turning aid seat and the pedal piece to extend and connect with the brake.

[0016] Compared with the prior art, the motor-brake combined electric scooter provided by the present invention, when driving, the motor part transmits the driving force to the brake plate through the motor shaft, and the brake plate drives the rear wheel part to rotate, so as to realize the application of driving force and meet the driving requirements of the scooter; when braking is required, the brake receives the command to brake the brake plate, restricts the rotation of the brake plate, thereby restricting the rotation of the rear wheel part and meeting the braking requirements of the scooter; through the combination of the brake disc group and the motor assembly, the space occupancy is reduced, and the brake plate and the rear wheel part have a larger contact area, so that the braking of the rear wheel part is more timely and stable, which greatly improves the braking effect of the scooter, improves the braking stability of the scooter, and improves driving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the motor-brake combined electric scooter provided by the present invention; Figure 2 It is an exploded schematic diagram of the motor-brake combined electric scooter provided by the present invention; Figure 3 It is a top view schematic diagram of the motor-brake combined electric scooter provided by the present invention; Figure 4It is a partial three-dimensional schematic diagram of the rear part of the motor-brake combined electric scooter provided by the present invention; Figure 5 It is a front partial stereoscopic schematic diagram of the motor-brake combined electric scooter provided by the present invention; Figure 6 It is a three-dimensional schematic diagram of the motor-brake combined electric scooter provided by the present invention. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0019] The implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0020] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is 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 direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0021] Reference Figure 1-6 The figure shows a preferred embodiment of the present invention.

[0022] The motor-brake combined electric scooter comprises a motor assembly 1, a brake disc set 2 and a rear wheel member 3. The motor assembly 1 comprises a motor member 11 and a motor shaft 14. The motor member 11 is used to drive the motor shaft 14 to rotate. The brake disc set 2 comprises a brake plate 21 and a brake 22. The outer periphery of the brake plate 21 forms a plate tooth set 13. The plate tooth set 13 is arranged in a circumferential manner. The plate tooth set 13 is meshed with the motor shaft 14. The brake plate 21 is assembled with the rear wheel member 3. The brake plate 21 is used to drive the rear wheel member 3 to rotate. The brake plate 21 and the brake 22 are assembled. The brake 22 is used to brake the brake plate 21.

[0023] The above-mentioned motor-brake combined electric scooter, when driving, the motor part 11 transmits the driving force to the brake plate 21 through the motor shaft 14, and the brake plate 21 drives the rear wheel part 3 to rotate, so as to realize the application of driving force and meet the driving requirements of the scooter; when braking is required, the brake 22 receives the instruction to brake the brake plate 21, restricts the rotation of the brake plate 21, thereby restricting the rotation of the rear wheel part 3 and meeting the braking requirements of the scooter; through the combination of the brake disc group 2 and the motor assembly 1, the space occupancy is reduced, and the brake plate 21 and the rear wheel part 3 have a larger contact area, so that the braking of the rear wheel part 3 is more timely and stable, which greatly improves the braking effect of the scooter, improves the braking stability of the scooter, and improves driving safety.

[0024] The rear wheel component 3 includes a wheel hub, which includes a hub chassis and a hub platform. The hub chassis and the hub platform are butt-jointed and integrally formed. The hub platform is convexly arranged along the radial direction. The hub platform has a platform ring 31. The brake plate 21 and the platform ring 31 are overlapped and fixedly arranged.

[0025] In this way, the brake plate 21 and the stage ring 31 have a larger contact area, which improves the driving effect and driving stability of the brake plate 21 on the wheel hub during driving, and improves the braking effect and braking stability of the brake plate 21 on the wheel hub during braking.

[0026] An inter-hub groove 5 is formed between the hub chassis and the brake plate 21, the brake 22 includes a brake shell, the brake shell includes two shell seats, a brake groove is formed between the two shell seats, the brake plate 21 is embedded in the brake groove, and one of the shell seats is embedded in the inter-hub groove 5, which reduces space occupancy and, at the same time, improves the coordination effect between the brake plate 21 and the rear wheel member 3.

[0027] The motor assembly 1 includes a motor plate 12, which is arranged in a flat shape. The motor component 11 is installed on the motor plate 12 to realize the assembly of the motor component 11. The motor shaft 14 passes through the motor plate 12 and meshes with the plate tooth group 13 to realize the transfer and application of driving force. At the same time, the motor plate 12 enhances the assembly stability of the motor shaft 14 and ensures the transmission of driving force.

[0028] The two ends of the motor plate 12 are respectively assembled with the rear wheel member 3 and the frame to realize the assembly of the motor plate 12.

[0029] At the same time, the motor plate 12 plays a shielding role, reduces the exposed area of ​​the brake plate 21, and protects the brake plate 21 and the wheel hub.

[0030] The rear wheel component 3 includes a wheel axle, which is assembled with the wheel hub and is located at the center of the wheel hub; one end of the motor plate 12 forms a machine plate column, which is assembled with the wheel axle, and the frame includes a rear connecting beam 4, which is butt-jointed and fixedly arranged with the other end of the motor plate 12.

[0031] In this way, the assembly stability of the motor plate 12 is improved through the cooperation between the machine plate column and the wheel axle. Furthermore, under the action of the rear connecting beam 4, the assembly stability of the motor plate 12 is improved.

[0032] The wheel axle includes a bearing component, and the machine plate column and the bearing component are movably assembled to prevent the motor plate 12 from affecting the normal rotation of the rear wheel component 3.

[0033] The motor plate column passes through the brake plate 21 and is movably connected to the bearing member, thereby improving the coordination effect between the motor plate 12, the brake plate 21 and the rear wheel member 3.

[0034] The motor-brake combined electric scooter comprises a rear shock absorber 7, which is arranged in an inclined manner, the upper portion of the rear shock absorber 7 is butted against the pedal member 6, and the lower portion of the rear shock absorber 7 is butted against the motor plate 12 and fixedly arranged.

[0035] In this way, under the action of the rear shock absorber 7, a shock absorbing effect is achieved, driving bumps are reduced, and driving comfort is improved.

[0036] At the same time, the rear shock absorber 7, the motor plate 12 and the pedal member 6 form a whole, so that the overall stability of the scooter is stronger and the safety is better.

[0037] The lower part of the rear shock absorber 7 is arranged in abutment with the motor part 11 , thereby improving the stability of the rear shock absorber 7 .

[0038] The pedal member 6 includes a pedal shell 61, a pedal fixing plate 62 and an inclined pedal 63. The end of the pedal shell 61 is assembled with the inclined pedal 63, and the inclined pedal 63 is arranged to extend upward and tilted. The upper part of the rear shock absorber 7 is assembled with the inclined pedal 63, and the lower part of the pedal fixing plate 62 is docked with the pedal shell 61. The upper part of the pedal fixing plate 62 and the inclined pedal 63 clamp the upper part of the rear shock absorber 7; the rear connecting beam 4 is docked with the end of the pedal shell 61, and the inclined pedal 63 is docked with the rear connecting beam 4 from top to bottom.

[0039] The inclined pedal 63 is convenient for the user to place his feet, thus improving the driving comfort of the user. At the same time, the rear shock absorber 7 can be assembled through the cooperation of the foot plate 62 and the inclined pedal 63, and the rear shock absorber 7 can be positioned and limited, thus improving the assembly stability of the rear shock absorber 7.

[0040] Furthermore, the rear shock absorber 7 is arranged in this way to help improve the shock absorption effect, and can effectively absorb the vibration force of the rear wheel 3 and the pedaling force of the user.

[0041] The battery component and the control module are respectively installed inside the pedal shell 61. The brake disc group 2 includes a rear brake line 23. One end of the rear brake line 23 passes through the pedal plate 62 and is connected to the control module for signal communication, and the other end of the rear brake line 23 is connected to the brake 22 for signal communication; the input of instructions is realized to realize the control of the brake plate 21.

[0042] A plurality of fixing rods penetrate the pedal plate 62 and are locked with the pedal shell 61 or the inclined pedal 63, and the plurality of fixing rods form a wire guide groove, and the rear brake wire 23 penetrates the wire guide groove in an arc shape; under the action of each fixing rod, the assembly stability of the pedal plate 62 is guaranteed, and at the same time, the positioning of the rear brake wire 23 is achieved through the limiting guide groove, which facilitates the layout of the rear brake wire 23.

[0043] The pedal member 6 includes a pedal cover plate, which is arranged in an overlapping manner with the pedal fixing plate 62, and the pedal cover plate covers the wire guide groove, thereby reducing the exposed range of the rear brake wire 23 and reducing the risk of damage to the rear brake wire 23.

[0044] The motor-brake combined electric scooter comprises a front beam, a front wheel member and a front shock absorber 8, wherein the upper portion of the front beam is assembled with the handlebar member, and the lower portion of the front beam is assembled with the rear wheel member 3; the front wheel member comprises a front control plate 82 and a front brake 83, the front brake 83 receives a signal to brake the front control plate 82, and the front control plate 82 is arranged in an overlapping and docking manner with the front wheel body; a beam seat and a beam plate 81 are formed at the lower portion of the front beam, the beam seat is used to support and install the front brake 83, a beam groove is formed between the beam seat and the beam plate 81, the upper portion of the front shock absorber 8 is docked with the front beam, the lower portion of the front shock absorber 8 is embedded with the beam groove, and the beam seat and the beam plate 81 clamp the lower portion of the front shock absorber 8, and the front shock absorber 8 is arranged in an inclined and extended manner.

[0045] In this way, the front control plate 82 is braked by the front brake 83, thereby achieving braking of the front wheel. At the same time, the front shock absorber 8 plays a shock-absorbing role, and the beam seat and the beam plate 81 greatly improve the assembly stability of the front shock absorber 8.

[0046] From top to bottom, the front shock absorber 8 and the rear shock absorber 7 are arranged to extend obliquely in opposite directions, respectively, to achieve shock absorption in different directions, thereby improving the overall shock absorption effect on the scooter.

[0047] The motor-brake combined electric scooter includes a turning aid 9, which is assembled with the handlebar member. The turning aid 9 includes a turning aid seat, a left telescopic rod, a left swing rod, a right telescopic rod and a right swing rod. The inner ends of the left telescopic rod and the right telescopic rod are respectively connected to the two ends of the turning aid seat, and the left telescopic rod and the right telescopic rod receive instructions to extend or contract along the axial direction of the turning aid seat, respectively. The outer end of the left telescopic rod is connected to one end of the left swing rod, and the other end of the left swing rod is connected to the handlebar member. The outer end of the right telescopic rod is connected to one end of the right swing rod, and the other end of the right swing rod is connected to the handlebar member; the upper end of the rear brake line 23 is connected to the handle of the handlebar member, and the upper end of the rear brake line 23 respectively passes through the turning aid seat and the pedal member 6 to extend and connect with the brake 22.

[0048] Under the action of the turning aid 9, the turning of the scooter is assisted, which is convenient for the turning of the scooter. At the same time, under the limiting action of the left telescopic rod and the right telescopic rod, sudden and large-scale turning is avoided to affect driving safety.

[0049] The handlebar is provided with a front camera, which is used to judge the obstacles ahead. Based on the preset range, the steering of the handlebar is controlled by the turning aid 9 to achieve automatic avoidance of the obstacles ahead.

[0050] The obstacle in front can be a person, which reduces the risk of collision between the scooter and the person.

[0051] The handlebar is provided with an angle sensor, which is used to determine the rotation direction angle of the handlebar, thereby cooperating with the turning aid 9 to assist the steering of the scooter.

[0052] For example, when turning left, the angle sensor detects a left turn angle signal and transmits the signal to the control module, which outputs a command to the turning aid 9 to assist the scooter in turning left and facilitate the steering of the scooter.

[0053] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A motor-brake combined electric scooter, characterized in that: It includes a motor assembly, a brake disc group and a rear wheel component, the motor assembly includes a motor component and a motor shaft, the motor component is used to drive the motor shaft to rotate, the brake disc group includes a brake plate and a brake, the outer periphery of the brake plate forms a plate tooth group, the plate tooth group is arranged in a circle, the plate tooth group is meshed with the motor shaft, the brake plate is assembled with the rear wheel component, the brake plate is used to drive the rear wheel component to rotate, the brake plate and the brake are assembled, and the brake is used to brake the brake plate.

2. The motor-brake combined electric scooter according to claim 1, characterized in that: The rear wheel component includes a wheel hub, and the wheel hub includes a hub chassis and a hub platform. The hub chassis and the hub platform are butt-jointed and integrally formed. The hub platform is convexly arranged along the radial direction, and the hub platform has a platform ring. The brake plate and the platform ring are overlapped and fixedly arranged.

3. The motor-brake combined electric scooter as claimed in claim 2, characterized in that: An inter-hub groove is formed between the hub chassis and the brake plate, the brake comprises a brake shell, the brake shell comprises two shell seats, a brake groove is formed between the two shell seats, the brake plate is embedded in the brake groove, and one of the shell seats is embedded in the inter-hub groove.

4. The motor-brake combined electric scooter as claimed in claim 3, characterized in that: The motor assembly includes a motor plate, which is arranged in a flat shape. The motor component is installed on the motor plate. The motor shaft passes through the motor plate and is meshed with the plate tooth group. The two ends of the motor plate are respectively assembled with the rear wheel component and the frame.

5. The motor-brake combined electric scooter as claimed in claim 4, characterized in that: The rear wheel member includes a wheel axle, which is assembled with the wheel hub and located at the center of the wheel hub; one end of the motor plate forms a machine plate column, which is assembled with the wheel axle; the frame includes a rear connecting beam, which is butt-jointed with the other end of the motor plate and fixedly arranged.

6. The motor-brake combined electric scooter as claimed in claim 5, characterized in that: The motor-brake combined electric scooter comprises a rear shock absorber, which is arranged in an inclined manner, the upper part of the rear shock absorber is arranged in a butt joint with the pedal member, and the lower part of the rear shock absorber is arranged in a butt joint and fixed manner with the motor plate.

7. The motor-brake combined electric scooter as claimed in claim 6, characterized in that: The pedal component includes a pedal shell, a pedal fixing plate and an inclined pedal. The end of the pedal shell is assembled with the inclined pedal, and the inclined pedal is arranged to extend upward and tilted. The upper part of the rear shock absorber is assembled with the inclined pedal, the lower part of the pedal fixing plate is docked with the pedal shell, and the upper part of the pedal fixing plate and the inclined pedal clamp the upper part of the rear shock absorber; the rear connecting beam is docked with the end of the pedal shell, and the inclined pedal is docked with the rear connecting beam in an upper and lower manner.

8. The motor-brake combined electric scooter as claimed in claim 7, characterized in that: The battery component and the control module are respectively arranged inside the pedal shell, the brake disc group includes a rear brake line, one end of the rear brake line passes through the pedal plate and is connected to the control module in signal communication, and the other end of the rear brake line is connected to the brake in signal communication; a plurality of fixing rods pass through the pedal plate and are locked with the pedal shell or the inclined pedal, and the plurality of fixing rods form a wire guide groove, and the rear brake line passes through the wire guide groove in an arc shape; the pedal component includes a pedal cover plate, the pedal cover plate and the pedal plate are arranged in an overlapping manner, and the pedal cover plate covers the wire guide groove.

9. The motor-brake combined electric scooter according to any one of claims 1 to 8, characterized in that: The motor-brake combined electric scooter comprises a front beam, a front wheel member and a front shock absorber, wherein the upper portion of the front beam is assembled with the handlebar member, and the lower portion of the front beam is assembled with the rear wheel member; the front wheel member comprises a front control plate and a front brake, wherein the front brake receives a signal to brake the front control plate, and the front control plate is overlapped and docked with the front wheel body; the lower portion of the front beam forms a beam seat and a beam plate, wherein the beam seat is used to support and install the front brake, and a beam groove is formed between the beam seat and the beam plate, wherein the upper portion of the front shock absorber is docked with the front beam, and the lower portion of the front shock absorber is embedded with the beam groove, and the beam seat and the beam plate clamp the lower portion of the front shock absorber, and the front shock absorber is arranged in an inclined and extended manner.

10. The motor-brake combined electric scooter according to any one of claims 1 to 8, characterized in that: The motor-brake combined electric scooter includes a turning aid, which is assembled with a handlebar component. The turning aid includes a turning aid seat, a left telescopic rod, a left swing rod, a right telescopic rod and a right swing rod. The inner ends of the left telescopic rod and the right telescopic rod are respectively connected to the two ends of the turning aid seat, and the left telescopic rod and the right telescopic rod receive instructions to extend or contract along the axial direction of the turning aid seat, respectively. The outer end of the left telescopic rod is connected to one end of the left swing rod, and the other end of the left swing rod is connected to the handlebar component. The outer end of the right telescopic rod is connected to one end of the right swing rod, and the other end of the right swing rod is connected to the handlebar component; the upper end of the rear brake line is connected to the handle of the handlebar component, and the upper end of the rear brake line passes through the turning aid seat and the pedal component and extends to connect with the brake.

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