Folding wing mechanism of artificial intelligence hovercar

By setting a folding structure and a precision transmission structure on the top of the body of the flying car, the effective folding and storage of the flight components is achieved, solving the problem of a fixed-wing aircraft occupying a large amount of space, and improving portability and flexibility.

CN222832654UActive Publication Date: 2025-05-06GUANGDONG QIAOHUI INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421963026.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-14
Publication Date
2025-05-06
Estimated Expiration
2034-08-14

AI Technical Summary

Technical Problem

In the prior art, fixed-wing aircraft occupy a large amount of space, limiting its application scenarios and portability.

Method used

A folding wing mechanism of an artificial intelligence flying car is designed, and the effective folding and storage of the flight components is achieved by setting a folding structure and a precision transmission structure on the top of the vehicle body.

Benefits of technology

Improves the space utilization and portability of the flying car, increases flexibility, allowing it to adapt to different usage scenarios and parking conditions, while ensuring the smoothness and reliability of the flying assembly during folding and deployment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a folding wing mechanism of an artificial intelligence hovercar, and belongs to the field of hovercars. A folding wing mechanism of an artificial intelligence hovercar comprises a car body, wheels in transmission connection to the four corners of the bottom of the car body and flying assemblies arranged at the four corners of the top of the car body, a folding structure is arranged at the top of the car body, and the folding structure can fold and store the flying assemblies. The folding structure comprises a connecting frame fixedly connected to the top of the vehicle body, shaft rods are movably connected to the left side and the right side of the interior of the connecting frame through bearings, and supporting plates are fixedly connected to the front sides and the rear sides of the surfaces of the shaft rods; the folding structure is arranged at the top of the car body, effective folding and storage of the flying assembly can be achieved, the space utilization rate and portability of the flying car are improved, meanwhile, the flexibility of the flying car is improved through the design, and the flying car can adapt to different use scenes and parking conditions.
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Description

Technical Field

[0001] The utility model relates to the technical field of flying cars, and in particular to a folding wing mechanism of an artificial intelligence flying car. Background Art

[0002] Flying cars are vehicles that combine the characteristics of cars and aircraft. They are designed to drive on the ground like ordinary cars, and be able to take off and fly in the air when needed. The design of such vehicles involves complex engineering technologies, including but not limited to aerodynamics, lightweight materials, efficient energy systems, and advanced flight control systems.

[0003] For example, the patent application number published on the China Patent Network is: 202221637304.5, and the patent name is: Folding wing mechanism and flying car. The folding wing mechanism includes a driving unit, a first sliding assembly, and two first rotors symmetrically arranged along a first direction; the driving unit is used to drive the first sliding assembly to slide along the first direction, and the first sliding assembly is provided with a first slide groove extending along the second direction; each first rotor has a first rotating mounting portion, and a first sliding pin is provided at one end of the first rotor, and the first sliding pin is slidably embedded in the first slide groove. When the first sliding assembly slides along the first direction, the first sliding pin slides along the second direction to rotate the first rotor around the first rotating mounting portion. The present application can realize the selective unfolding or folding of the first rotor, so that the flying car can fly when the first rotor is unfolded, and can land when the first rotor is folded.

[0004] Currently, the arms of aircraft that can achieve vertical take-off and landing are generally fixed and non-foldable, or are manually folded during transportation. The above methods result in a large aircraft size, limited application scenarios, and are not conducive to large-scale applications. At the same time, existing vertical take-off and landing aircraft have fixed wings with their arms unfolded, so they can generally only fly and require a large amount of space during transportation. Utility Model Content

[0005] The purpose of the utility model is to solve the problem that fixed-wing aircraft in the prior art occupy a large amount of space, and to propose a folding wing mechanism for an artificial intelligence flying car.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A folding wing mechanism of an artificial intelligence flying car, comprising a car body;

[0008] The transmission is connected to the wheels at the four corners of the bottom of the vehicle body;

[0009] The flying components are set at the four corners of the top of the vehicle body;

[0010] A folding structure is provided on the top of the vehicle body, and the folding structure can fold and store the flying component. The folding structure includes a connecting frame fixedly connected to the top of the vehicle body, and the left and right sides inside the connecting frame are movably connected with an axle rod through bearings, and the front and rear sides of the surface of the axle rod are fixedly connected with a support plate, and the support plate extends to the outside of the connecting frame away from the side of the axle rod and is connected to the flying component through a driving component. A transmission structure is provided on the top of the vehicle body, and the transmission structure can drive the axle rod to rotate.

[0011] As a preferred technical solution of the present application, the transmission structure includes a fork fixedly connected to both sides of the shaft rod surface, and a transmission frame located inside the connecting frame is provided on the left and right sides of the top of the vehicle body, and the transmission frame is located on the inner side of the fork, and both sides of the front and back sides of the transmission frame are fixedly connected with pressure rods located on the outside of the fork, and the outer surface of the pressure rod can contact the surface of the fork. When the transmission frame carries the pressure rod to move outward, the pressure rod located on the inside of the fork can squeeze the fork to swing outward, and when the transmission frame carries the pressure rod to move inward, the inner pressure rod disengages from the fork and the outer pressure rod can squeeze the fork to swing inward. A two-way electric telescopic rod is fixedly connected to the top of the vehicle body, and the output end of the two-way electric telescopic rod is fixedly connected to the inner side of the transmission frame.

[0012] As a preferred technical solution of the present application, a groove is provided on the top of the vehicle body, and the bidirectional electric telescopic rod is embedded in the inside of the groove.

[0013] As a preferred technical solution of the present application, a spring plate located inside the shift fork is provided on the top of the vehicle body, and the spring plate extends from a side of the vehicle body to between the shift fork and the pressure rod, and the spring plate is elastic.

[0014] As a preferred technical solution of the present application, a sleeve is sleeved on the surface of the pressure rod, and the outer surface of the sleeve can contact the surface of the shift fork and the spring plate respectively.

[0015] As a preferred technical solution of the present application, the driving component includes a stepper motor fixedly connected to the outer side of the support plate, and the output end of the stepper motor is fixedly connected to the inner side of the flight assembly.

[0016] As a preferred technical solution of the present application, the flight assembly includes a housing fixedly connected to the output end of the stepper motor, and the internal transmission connection of the housing is connected to an impeller disk.

[0017] As a preferred technical solution of the present application, a tooth plate is fixedly connected to the outer side of the transmission frame, and the left and right sides of the connecting frame are fixedly connected to vertical plates, the interior of the vertical plate is movably connected with a screw via a bearing, the top of the screw is fixedly connected to a gear located on the front side of the tooth plate, the gear and the tooth plate are meshed with each other, and a guide frame is provided on both ends of the left and right sides of the vehicle body, which is sleeved on the surface of the wheel, the surface of the guide frame is fixedly connected to a bracket sleeved on the surface of the wheel, the surface of the bracket is fixedly connected to a sleeve plate with the same axis as the wheel, the surface of the screw is threadedly connected to a linkage plate located at the bottom of the vertical plate, the front and rear sides of the bottom of the linkage plate are fixedly connected to extension rods, the extension rod extends to the inner side of the sleeve plate away from the side of the linkage plate and is fixedly connected to a sliding rod located inside the sleeve plate, and the sliding rod is slidably connected to the sleeve plate.

[0018] As a preferred technical solution of the present application, both ends of the left and right sides of the connection frame are fixedly connected with frames, and the side of the frame away from the connection frame extends to the bottom of the stepper motor.

[0019] As a preferred technical solution of the present application, a buffer pad is fixedly connected to the top of the frame, a side of the buffer pad away from the frame is in contact with the bottom of the stepper motor, and the buffer pad is made of damping material.

[0020] Compared with the prior art, the utility model provides a folding wing mechanism for an artificial intelligence flying car, which has the following beneficial effects:

[0021] 1. The folding wing mechanism of the artificial intelligence flying car can achieve effective folding and storage of the flying components by setting a folding structure on the top of the car body, thereby improving the space utilization and portability of the flying car. At the same time, this design also increases the flexibility of the flying car, enabling it to adapt to different usage scenarios and parking conditions.

[0022] 2. The folding wing mechanism of the artificial intelligence flying car achieves precise control of the shaft rod by adopting a combination of a shift fork, a transmission frame, a pressure rod and a two-way electric telescopic rod. This transmission structure is not only compact in structure but also has high transmission efficiency, which can ensure the stability and reliability of the flight component during the folding and unfolding process.

[0023] 3. The folding wing mechanism of the artificial intelligence flying car embeds the two-way electric telescopic rod in the groove on the top of the car body, which not only saves space but also protects the electric telescopic rod from the influence of the external environment and extends its service life. In addition, this design also improves the overall aesthetics and neatness.

[0024] 4. The folding wing mechanism of the artificial intelligence flying car provides additional reset and buffering effects for the transmission structure through the spring plate located on the inner side of the fork, ensuring the smoothness and accuracy of the transmission process. At the same time, the presence of the spring plate also reduces the friction and wear between the transmission parts and improves the durability of the mechanism.

[0025] 5. The folding wing mechanism of the artificial intelligence flying car can reduce the direct contact between the pressure rod and the fork and spring plate by setting a sleeve on the surface of the pressure rod, thereby reducing wear and noise. The sleeve may also play a lubricating role and improve transmission efficiency.

[0026] 6. The folding wing mechanism of the artificial intelligence flying car directly drives the flight components (such as impeller disks) through stepper motors, achieving precise control of the flight components. The high precision and high reliability of the stepper motors ensure the stability and safety of the flight components during flight.

[0027] 7. The folding wing mechanism of the AI ​​flying car is composed of a flight assembly including a housing and an impeller disc. This design makes the flight assembly compact, light, and easy to maintain and replace. The transmission connection of the impeller disc also ensures that the flight assembly can generate sufficient lift and thrust to meet flight requirements.

[0028] 8. The folding wing mechanism of the artificial intelligence flying car, by setting up structures such as tooth plates, gears, and screws, drives the guide frame to swing with the bracket as the axis. It can cover the wheels exposed to the outside during flight, reduce the resistance caused by the wheels, and prevent the vehicle body from losing balance.

[0029] 9. The folding wing mechanism of the artificial intelligence flying car provides a stable support platform for the stepper motor through the setting of the frame, and the buffer pad further reduces the vibration and impact generated by the stepper motor during operation, protecting the stepper motor and its connected flight components. This design not only improves the stability of the mechanism, but also extends the service life of each component.

[0030] 10. The folding wing mechanism of the artificial intelligence flying car can reduce the impact of vibration on the stepping components by setting buffer pads, ensuring the stability of the flight components after extension. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the structure of the utility model;

[0032] Figure 2 It is a right view structural schematic diagram of the utility model;

[0033] Figure 3 It is a schematic diagram of the top view structure of the utility model;

[0034] Figure 4 This is a schematic diagram of the structure of the utility model when viewed from above;

[0035] Figure 5 It is a partial structural schematic diagram of the utility model;

[0036] Figure 6 For the utility model Figure 5 The enlarged structural diagram at A in the middle;

[0037] Figure 7 It is a schematic diagram of the partial structure separation of the utility model.

[0038] In the figure: 1. body; 2. wheels; 3. flight assembly; 4. folding structure; 5. connecting frame; 6. shaft rod; 7. support plate; 8. driving component; 9. transmission structure; 10. fork; 11. transmission frame; 12. pressure rod; 13. two-way electric telescopic rod; 14. groove; 15. spring plate; 16. sleeve; 17. stepping motor; 18. casing; 19. impeller disk; 20. tooth plate; 21. vertical plate; 22. screw; 23. gear; 24. guide frame; 25. bracket; 26. sleeve plate; 27. linkage plate; 28. extension rod; 29. ​​slide rod; 30. frame; 31. buffer pad. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0040] Embodiment 1:

[0041] Reference Figure 1-7 , a folding wing mechanism of an artificial intelligence flying car, comprising a car body 1;

[0042] The wheels 2 are connected to the four corners of the bottom of the vehicle body 1;

[0043] The flying components 3 are arranged at the four corners of the top of the vehicle body 1;

[0044] A folding structure 4 is provided on the top of the car body 1, and the folding structure 4 can fold and store the flying component 3. The folding structure 4 includes a connecting frame 5 fixedly connected to the top of the car body 1, and the left and right sides inside the connecting frame 5 are movably connected with the shaft rod 6 through bearings, and the front and rear sides of the surface of the shaft rod 6 are fixedly connected with support plates 7, and the support plate 7 extends to the outside of the connecting frame 5 away from the side of the shaft rod 6 and is connected to the flying component 3 through a driving component 8. A transmission structure 9 is provided on the top of the car body 1, and the transmission structure 9 can drive the shaft rod 6 to rotate. By arranging the folding structure 4 on the top of the car body 1, the flying component 3 can be effectively folded and stored, thereby improving the space utilization and portability of the flying car. At the same time, this design also increases the flexibility of the flying car, making it more convenient to use. It can adapt to different usage scenarios and parking conditions. The transmission structure 9 includes a fork 10 fixedly connected to both sides of the surface of the shaft rod 6. The left and right sides of the top of the vehicle body 1 are provided with a transmission frame 11 located inside the connecting frame 5. The transmission frame 11 is located on the inner side of the fork 10. Both the front and back sides of the transmission frame 11 are fixedly connected with a pressure rod 12 located on the outer side of the fork 10. The outer surface of the pressure rod 12 can contact the surface of the fork 10. When the transmission frame 11 carries the pressure rod 12 to move outward, the pressure rod 12 located on the inner side of the fork 10 can squeeze the fork 10 to swing outward. When the transmission frame 11 carries the pressure rod 12 to move inward, the inner pressure rod 12 is out of contact with the fork 10 and the outer pressure rod 12 can squeeze the fork 10 to swing inward. The vehicle body 1 A two-way electric telescopic rod 13 is fixedly connected to the top, and the output end of the two-way electric telescopic rod 13 is fixedly connected to the inner side of the transmission frame 11. By adopting the combination of the fork 10, the transmission frame 11, the pressure rod 12 and the two-way electric telescopic rod 13, precise control of the shaft rod 6 is achieved. This transmission structure 9 is not only compact in structure, but also has high transmission efficiency, and can ensure the stability and reliability of the flight component 3 during folding and unfolding. A groove 14 is provided on the top of the body 1, and the two-way electric telescopic rod 13 is embedded in the inside of the groove 14. A spring plate 15 located on the inner side of the fork 10 is provided on the top of the body 1. The spring plate 15 extends away from the side of the body 1 to between the fork 10 and the pressure rod 12. The spring plate 15 is elastic, and the surface of the pressure rod 12 is sleeved with a sleeve 16. The sleeve 1 The outer surfaces of 6 can contact the surfaces of the fork 10 and the spring plate 15 respectively. The driving component 8 includes a stepper motor 17 fixedly connected to the outer side of the support plate 7. The output end of the stepper motor 17 is fixedly connected to the inner side of the flight component 3. The flight component 3 includes a housing 18 fixedly connected to the output end of the stepper motor 17. The inner transmission connection of the housing 18 is an impeller disk 19. The outer side of the transmission frame 11 is fixedly connected to a toothed plate 20. The left and right sides of the connecting frame 5 are fixedly connected to a vertical plate 21. The interior of the vertical plate 21 is movably connected to a screw 22 through a bearing. The top of the screw 22 is fixedly connected to a gear 23 located on the front of the toothed plate 20. The gear 23 and the toothed plate 20 are meshed with each other. Both ends of the left and right sides of the vehicle body 1 are provided with a guide frame 24 sleeved on the surface of the wheel 2.The surface of the guide frame 24 is fixedly connected with a bracket 25 sleeved on the surface of the wheel 2, and the surface of the bracket 25 is fixedly connected with a sleeve plate 26 with the same axis as the wheel 2. The surface of the screw rod 22 is threadedly connected with a linkage plate 27 located at the bottom of the vertical plate 21. The front and rear sides of the bottom of the linkage plate 27 are fixedly connected with an extension rod 28. The side of the extension rod 28 away from the linkage plate 27 extends to the inner side of the sleeve plate 26 and is fixedly connected with a slide rod 29 located inside the sleeve plate 26. The slide rod 29 is slidably connected with the sleeve plate 26. The left and right ends of the connecting frame 5 are fixedly connected with a frame 30. The side of the frame 30 away from the connecting frame 5 extends to the bottom of the stepper motor 17. The top of the frame 30 is fixedly connected with a buffer pad 31. The side of the buffer pad 31 away from the frame 30 contacts the bottom of the stepper motor 17. The material of the buffer pad 31 is a damping material.

[0045] Specifically, when the folding wing mechanism of the artificial intelligence flying car is working / in use: a connecting frame 5 is provided on the top of the vehicle body 1, and the connecting frame 5 is movably connected to the shaft 6 through a bearing. Support plates 7 are fixed on the shaft 6, which extend to the outside of the connecting frame 5 and are connected to the flight component 3 through a driving component 8 such as a stepper motor 17. When it is necessary to extend the flight, the two-way electric telescopic rod 13 will extend, which will push the transmission frame 11 to move outward, and the movement of the transmission frame 11 will drive the pressure rod 12 to move outward. At this time, the pressure rod 12 located on the inner side of the fork 10 will squeeze the fork 10 to swing outward, thereby driving the shaft 6 to rotate in opposite directions. The rotation of the shaft 6 further drives the support plate 7 and the flight component 3 to swing outward and complete the extension. During the extension process, the transmission frame 11 can also use the tooth plate 20 to drive the gear 23 to rotate, and the gear 23 drives the screw 22 to rotate. The screw 22 uses the thread to push the linkage plate 27 to move upward. During the movement of the linkage plate 27, the extension rod 28 is used to drive the slide bar 29 to slide inside the sleeve plate 26. , the sleeve plate 26 is pulled and uses the bracket 25 to drive the guide frame 24 to swing with the center line of the wheel 2 as the axis. When the guide frame 24 moves from the top of the wheel 2 to the front side of the wheel 2, the wheel 2 is shielded, reducing the resistance of the airflow to the wheel 2. On the contrary, when the two-way electric telescopic rod 13 is shortened, the transmission frame 11 moves inward, the inner pressure rod 12 is out of contact with the fork 10, and the outer pressure rod 12 is in contact with the fork 10 and squeezes the fork 10 to swing inward, driving the shaft 6 to rotate in the opposite direction, so that the flying component 3 moves to the top of the car body 1 and completes the folding. The flying component 3 is driven by the stepper motor 17, and the output end of the stepper motor 17 is fixedly connected to the flying component 3. When the stepper motor 17 is started, it will drive the impeller disk 19 to adjust the direction, change the angle of lift or thrust, so that the flying car can take off or fly.

[0046] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A folding wing mechanism of an artificial intelligence flying car, comprising a car body (1); Wheels (2) connected to the four corners of the bottom of the vehicle body (1); Flying components (3) arranged at the four corners of the top of the vehicle body (1); It is characterized in that A folding structure (4) is provided on the top of the vehicle body (1), and the folding structure (4) is capable of folding and storing the flight assembly (3). The folding structure (4) comprises a connection frame (5) fixedly connected to the top of the vehicle body (1), and the left and right sides inside the connection frame (5) are movably connected to a shaft (6) via bearings, and the front and rear sides of the surface of the shaft (6) are fixedly connected to a support plate (7), and the support plate (7) extends from a side away from the shaft (6) to the outside of the connection frame (5) and is transmission-connected to the flight assembly (3) via a driving component (8). A transmission structure (9) is provided on the top of the vehicle body (1), and the transmission structure (9) is capable of driving the shaft (6) to rotate.

2. The folding wing mechanism of an artificial intelligence flying car according to claim 1, characterized in that: The transmission structure (9) comprises a shift fork (10) fixedly connected to both sides of the surface of the shaft (6); a transmission frame (11) located inside the connection frame (5) is provided on the left and right sides of the top of the vehicle body (1); the transmission frame (11) is located inside the shift fork (10); both sides of the front and back of the transmission frame (11) are fixedly connected to a pressure rod (12) located outside the shift fork (10); the outer surface of the pressure rod (12) is capable of contacting the surface of the shift fork (10); when the transmission frame (11) carries the pressure rod When the shift fork (12) moves outward, the pressure rod (12) located inside the shift fork (10) can squeeze the shift fork (10) to swing outward. When the transmission frame (11) carries the pressure rod (12) to move inward, the inner pressure rod (12) is out of contact with the shift fork (10) and the outer pressure rod (12) can squeeze the shift fork (10) to swing inward. A bidirectional electric telescopic rod (13) is fixedly connected to the top of the vehicle body (1), and the output end of the bidirectional electric telescopic rod (13) is fixedly connected to the inner side of the transmission frame (11).

3. The folding wing mechanism of an artificial intelligence flying car according to claim 2, characterized in that: The top of the vehicle body (1) is provided with a groove (14), and the bidirectional electric telescopic rod (13) is embedded in the groove (14).

4. The folding wing mechanism of an artificial intelligence flying car according to claim 2, characterized in that: A spring plate (15) located inside the shift fork (10) is arranged on the top of the vehicle body (1), the spring plate (15) extending from a side of the vehicle body (1) to between the shift fork (10) and the pressure rod (12), and the spring plate (15) is elastic.

5. The folding wing mechanism of an artificial intelligence flying car according to claim 2, characterized in that: A sleeve (16) is sleeved on the surface of the pressure rod (12), and the outer surface of the sleeve (16) can contact the surfaces of the shift fork (10) and the spring plate (15) respectively.

6. The folding wing mechanism of an artificial intelligence flying car according to claim 2, characterized in that: The driving component (8) comprises a stepping motor (17) fixedly connected to the outside of the support plate (7), and an output end of the stepping motor (17) is fixedly connected to the inside of the flying assembly (3).

7. The folding wing mechanism of an artificial intelligence flying car according to claim 6, characterized in that: The flight assembly (3) comprises a housing (18) fixedly connected to the output end of the stepper motor (17), and the interior of the housing (18) is transmission-connected to an impeller disc (19).

8. The folding wing mechanism of an artificial intelligence flying car according to claim 2, characterized in that: The outer side of the transmission frame (11) is fixedly connected to a toothed plate (20), the left and right sides of the connection frame (5) are fixedly connected to vertical plates (21), the interior of the vertical plates (21) is movably connected to a screw rod (22) via a bearing, the top end of the screw rod (22) is fixedly connected to a gear (23) located on the front side of the toothed plate (20), the gear (23) and the toothed plate (20) are meshed with each other, and both ends of the left and right sides of the vehicle body (1) are provided with a guide frame (24) sleeved on the surface of the wheel (2), and the surface of the guide frame (24) is fixedly connected to a gear (23) sleeved on the vehicle body (2). A bracket (25) is disposed on the surface of the wheel (2), the surface of the bracket (25) being fixedly connected to a sleeve plate (26) having the same axis as the wheel (2), the surface of the screw rod (22) being threadedly connected to a linkage plate (27) located at the bottom of the vertical plate (21), the front and rear sides of the bottom of the linkage plate (27) being fixedly connected to an extension rod (28), the extension rod (28) extending from a side of the linkage plate (27) to the inner side of the sleeve plate (26) and being fixedly connected to a slide rod (29) located inside the sleeve plate (26), the slide rod (29) being slidably connected to the sleeve plate (26).

9. The folding wing mechanism of an artificial intelligence flying car according to claim 6, characterized in that: Both ends of the left and right sides of the connection frame (5) are fixedly connected to frames (30), and the frame (30) extends away from the side of the connection frame (5) to the bottom of the stepper motor (17).

10. The folding wing mechanism of an artificial intelligence flying car according to claim 9, characterized in that: A buffer pad (31) is fixedly connected to the top of the frame (30); a side of the buffer pad (31) away from the frame (30) contacts the bottom of the stepper motor (17); and the buffer pad (31) is made of a damping material.

Citation Information

Patent Citations

  • Folding wing mechanism and hovercar

    CN218084974U