Bionic butterfly flight device

By designing swing and drive mechanisms at both ends of the transmission shaft in the biomimetic butterfly flight device, and combining carbon fiber materials and image recognition control, the problems of large weight and high cost of existing biomimetic flapping-wing aircraft have been solved, achieving a stable flight effect with lightweight and low power consumption.

CN223521062UActive Publication Date: 2025-11-07NAT UNIV OF DEFENSE TECH
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423227190.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-11-07
Estimated Expiration
2034-12-26

Smart Images

  • Figure CN223521062U_ABST
    Figure CN223521062U_ABST
Patent Text Reader

Abstract

The utility model discloses a bionic butterfly flight device, which belongs to the technical field of aircrafts and comprises a transmission main shaft, swing wings are respectively arranged on two sides of the transmission main shaft, and a first swing mechanism and a second swing mechanism are respectively arranged at two ends of the transmission main shaft. The two ends of the first swing mechanism in the second direction are connected with one ends of the two swing wings, and the first swing mechanism can drive the two swing wings to swing in the second direction and the third direction; the two ends of the second swing mechanism in the second direction are connected with the other ends of the two swing wings correspondingly, and the second swing mechanism can drive the two swing wings to swing in the plane where the first direction and the second direction are located. According to the bionic butterfly flight device, the center of the device is adjusted through the two swing mechanisms, gliding of the flight device is facilitated, kinetic energy output of the flight device is reduced, direction changing of the direction device is achieved through the second swing mechanism, the overall structure is simple, operation is convenient, and flight and steering operation of the flight device in the air are achieved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of aircraft technology, concretely relates to a bionic butterfly flight device. BACKGROUND

[0002] The bionic flapping wing aircraft is the aircraft that imitates the flying mode of the flapping wings of birds and other creatures, and this kind of flying mode belongs to the micro aircraft, which has the prerequisite of realizing long-distance flight, and the flapping wing has higher movement freedom and better maneuverability. At the same time, the bionic flapping wing aircraft has bionics, concealment and portability, and is generally hand-throwing take-off, gliding landing, and the take-off and landing are not limited by the site, and can realize rapid high flying, long-distance cruising and other characteristics.

[0003] The bird aircraft mainly utilizes the high-frequency flapping of the flapping wing to fly, and has higher demand for the rotating speed of the driving motor, and consumes more kinetic energy, so it needs to be equipped with enough driving motor and power battery, and the frequent flapping of the bird also has higher requirements for the skeleton structure and the structural strength of the flapping wing, which makes the overall weight of the bird aircraft heavier and the steering difficult, further increasing the manufacturing cost and use cost of the bionic flapping wing aircraft. SUMMARY

[0004] In view of one or more of the above defects or improvement requirements of the prior art, the utility model provides a bionic butterfly flight device to solve the problems of high overall manufacturing cost and use cost of the existing bionic flapping wing aircraft and difficult adjustment.

[0005] To achieve the above-mentioned purpose, the utility model provides a bionic butterfly flight device, which comprises:

[0006] The transmission main shaft provided along the first direction is provided with the swing wing on both sides; the both ends of the transmission main shaft are respectively provided with the first swing mechanism and the second swing mechanism;

[0007] The both ends of the first swing mechanism along the second direction are respectively connected with one end of the two swing wings, and the both ends of the second swing mechanism along the second direction are respectively connected with the other end of the two swing wings, the first swing mechanism can drive the two swing wings to swing along the plane of the second direction and the third direction, and the second swing mechanism can drive the two swing wings to swing along the plane of the first direction and the second direction.

[0008] As a further improvement of the utility model, the first swing mechanism comprises the first driving mechanism arranged at the end of the transmission main shaft and the swing main body sleeved on the outer end of the output shaft of the first driving mechanism;

[0009] The output shaft of the first driving mechanism is rotationally connected with the swing disc;

[0010] The first rotating mechanism and the second rotating mechanism are rotatably connected with the two ends of the swing body respectively, and the opposite ends of the first rotating mechanism and the second rotating mechanism are provided with meshing teeth;

[0011] One end of the first rotating mechanism is rotatably connected with the swing disc, and the other end is rotatably connected with the side edge of one of the swing wings; one end of the second rotating mechanism is engaged with the first rotating mechanism, and the other end is connected with the side edge of the swing wing.

[0012] As a further improvement of the utility model, the first rotating mechanism and the second rotating mechanism are provided with a fixed cover at the end away from the swing body, the fixed cover is connected with the swing body through a screw, and the first rotating mechanism and the second rotating mechanism are rotatably arranged on the screw.

[0013] As a further improvement of the utility model, the second swing mechanism comprises a second driving mechanism and a swing rod arranged at the end of the transmission main shaft;

[0014] The swing rod is arranged at the end of the transmission main shaft and is arranged along a second direction, and the two ends of the swing rod are rotatably connected with the side edges of the two swing wings,

[0015] The second driving mechanism is arranged along a third direction, and the output shaft of the second driving mechanism is rotatably connected with a rotating disc, and the rotating disc is connected with the side edges of the swing rod through a metal wire.

[0016] As a further improvement of the utility model, the output shaft of the second driving mechanism is engaged with a rotating gear, and the rotating disc is rotatably connected with the rotating gear.

[0017] As a further improvement of the utility model, the end of the transmission main shaft towards the first swing mechanism is further provided with an image recognition mechanism.

[0018] As a further improvement of the utility model, the transmission main shaft is further provided with a power supply assembly, and the power supply assembly is electrically connected with the first swing mechanism and the second swing mechanism respectively.

[0019] As a further improvement of the utility model, the outer ends of the transmission main shaft, the first swing mechanism and the second swing mechanism are further covered with a protective shell, and the swing wing and the protective shell are both made of carbon fiber material.

[0020] As a further improvement of the utility model, the protective shell is provided with a heat dissipation fin around the periphery.

[0021] As a further improvement of the utility model, the swing wing can be folded along the plane where the transmission main shaft and the swing rod are located.

[0022] The above technical features can be combined with each other as long as they do not conflict with each other.

[0023] Overall, the above technical solutions conceived by the utility model have the beneficial effects including:

[0024] (1) The bionic butterfly flight device changes the flight mode of the existing bird flight device, adjusts the gravity center of the bionic butterfly flight device to the middle region by arranging the first swing mechanism and the second swing mechanism at the two ends of the transmission main shaft, facilitates the swing gliding of the flight device in the flight process, reduces the output power of the flight device, and further makes the flight device select a smaller driving mechanism, reduces the overall weight of the flight device, and reduces the power consumption of the flight device.

[0025] (2) The bionic butterfly flight device realizes the synchronous swing of the two swing wings connected with the first rotating mechanism and the second rotating mechanism through the cooperative matching of the first driving mechanism, the swing disc, the first rotating mechanism and the second rotating mechanism, ensures the stable flight of the bionic butterfly flight device, reduces the output power of the bionic butterfly flight device, and improves the flight range of the bionic butterfly flight device.

[0026] (3) The bionic butterfly flight device is prepared by using carbon fiber material for the swing wing and the protective shell, which ensures the overall strength of the bionic butterfly flight device while greatly reducing the overall weight of the flight device, further reduces the output power of the first driving motor, makes the flight device select a driving motor with lower output power, lighter quality and cheaper price, and realizes the overall miniaturization and low cost of the flight device. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is the overall structure schematic diagram of the bionic butterfly flight device in the embodiment of the utility model;

[0028] Figure 2 is the structure schematic diagram of the transmission main shaft in the embodiment of the utility model;

[0029] Figure 3is a structure schematic view of a swing main body in the embodiment of the utility model;

[0030] Figure 4 is a meshing structure schematic view of the first rotation mechanism and the second rotation mechanism in the embodiment of the utility model;

[0031] Figure 5 is a structure schematic view of a second driving mechanism in the embodiment of the utility model;

[0032] Figure 6 is a structure schematic view of a rotation gear in the embodiment of the utility model.

[0033] In all the drawings, same reference signs represent same technical features, specifically:

[0034] 1, transmission main shaft;2, swing wing;3, first driving mechanism;4, second driving mechanism;5, swing main body;6, swing disc;7, first rotation mechanism;8, second rotation mechanism;9, fixed cover;10, swing rod;11, rotation disc;12, rotation gear. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as there is no conflict.

[0036] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, structure and operation, so it cannot be understood as a limitation on the utility model.

[0037] In addition, the terms "first" and "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0038] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can through the indirect connection of intermediate medium, can be the communication or mutual action of two elements inside, unless another definite limitation.For the ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0039] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium.Moreover, the first feature "above", "above" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or it only means that the horizontal height of the first feature is higher than that of the second feature.The first feature "below", "below" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or it only means that the horizontal height of the first feature is less than that of the second feature.

[0040] Embodiment:

[0041] Please refer to Figures 1-6 The bionic butterfly flight device in the preferred embodiment of the utility model includes a transmission main shaft 1 arranged along a first direction, both sides of the transmission main shaft 1 are respectively provided with swing wings 2, and both ends of the transmission main shaft 1 are respectively provided with first swing mechanisms and second swing mechanisms; wherein the two ends of the first swing mechanism along a second direction are respectively connected with one end of the two swing wings 2, the two ends of the second swing mechanism along the second direction are respectively connected with the other end of the two swing wings 2, the first swing mechanism can drive the two swing wings 2 to swing along the plane of the second direction and the third direction, and the second swing mechanism can drive the two swing wings 2 to swing along the plane of the first direction and the second direction.

[0042] Specifically, the bionic butterfly flight device in the application connects the side edges of the two swing wings 2 by the first swing mechanism and the second swing mechanism, swings the swing wings 2 in the vertical direction by the first swing mechanism, so that the swing wings 2 can be fanned in the vertical direction to drive the bionic butterfly flight device to fly, and swings the swing wings 2 in the horizontal plane by the second swing mechanism to adjust the posture of the two swing wings 2 in the horizontal plane, so as to realize the flight direction adjustment of the flight device in the air.

[0043] Preferably, the first direction in the application is the length direction of the bionic butterfly flight device, the second direction is the direction perpendicular to the first direction in the horizontal direction, and the third direction is the vertical direction.

[0044] Further, as the optional embodiment of the utility model, the first swing mechanism in the application is swinged on the first driving mechanism 3 at the end of the transmission main shaft 1 and the swing main body 5 sleeved on the output shaft outer end of the first driving mechanism 3;The output shaft of the first driving mechanism 3 is rotatably connected with the swing disc 6, and the swing main body 5 is rotatably connected with the first rotating mechanism 7 and the second rotating mechanism 8 at both ends respectively, and the opposite ends of the first rotating mechanism 7 and the second rotating mechanism 8 are provided with meshing teeth;One end of the first rotating mechanism 7 is rotatably connected with the swing disc 6, and the other end is rotatably connected with the side of one swing wing 2, and one end of the second rotating mechanism 8 is meshed with the first rotating mechanism 7, and the other end is connected with the side of the other swing wing 2.The output end of the first driving mechanism 3 is provided with the swing disc 6, the swing disc 6 drives the first rotating mechanism 7 to swing, the first rotating mechanism 7 forms a lever structure through the swing main body 5, the swing disc 6 and the swing wing 2, to drive one swing wing 2 to fan in the vertical direction;The second rotating mechanism 8 is synchronously swung through the meshing mode with the second rotating mechanism 8, to further drive the other swing wing 2 to fan synchronously in the vertical direction, to realize the synchronous up-down fanning of the two swing wings 2, to realize the flight of the bionic butterfly flight device.

[0045] Further, as the optional embodiment of the utility model, the first rotating mechanism 7 and the second rotating mechanism 8 of the application are further provided with the fixed cover 9 away from the swing main body 5, the fixed cover 9 is connected with the swing main body 5 through the screw, and the first rotating mechanism 7 and the second rotating mechanism 8 are rotatably arranged on the screw.The swing main body 5 is the support point of the first rotating mechanism 7 and the second rotating mechanism 8, and the fixed cover 9 is further arranged to limit the first rotating mechanism 7 and the second rotating mechanism 8 through the swing main body 5, to ensure the stable swing of the first rotating mechanism 7 and the second rotating mechanism 8.

[0046] Further, as the optional embodiment of the utility model, the first rotating mechanism 7 and the second rotating mechanism 8 of the application are both "Y" shaped structure, the Y-shaped development end is provided with an arc surface, and the arc surface is uniformly provided with a rack, so that the two rotating mechanisms are meshed with each other, and synchronous swing is facilitated.The middle part of the first rotating mechanism 7 is provided with the first connecting hole, the first connecting hole is connected with the screw, so that the first rotating mechanism 7 swings around the first connecting hole, and the second connecting hole and the connecting point of the swing wing 2 are arranged at both ends of the first connecting hole respectively, the second connecting hole is connected with the swing disc 6, so that the first rotating mechanism 7 swings under the drive of the first driving mechanism 3.

[0047] Optionally, the swing plate 6 in the application is an elliptical structure, a third connecting hole is arranged at the center of the swing plate 6 and is used for being connected with the first driving mechanism 3, a fourth connecting hole is arranged at the area of the swing plate 6 away from the center, the fourth connecting hole is connected with the second connecting hole through a rotating shaft, and linkage of the swing plate 6 and the first rotating mechanism 7 is realized. Preferably, the fourth connecting hole is in an elliptical shape, and the size of the fourth connecting hole is greater than the outer diameter of the rotating shaft, so that the rotating shaft can swing in the fourth connecting hole, to avoid that the first rotating mechanism 7 and the swing plate 6 are locked and deadlocked.

[0048] Further, as an optional embodiment of the utility model, the second swing mechanism in the application comprises a second driving mechanism 4 and a swing rod 10 arranged at the end of the transmission main shaft 1. The swing rod 10 is swingingly arranged at the end of the transmission main shaft 1, and the swing rod 10 is arranged along a second direction, and the two ends of the swing rod 10 are rotatably connected with the side edges of the two swing wings 2 respectively; the second driving mechanism 4 is arranged along a third direction, and a rotating disc 11 is rotatably connected with the output shaft of the second driving mechanism 4, and the rotating disc 11 is connected with the side edges of the swing rod 10 through a metal wire. The swing rod 10 forms a lever structure with the end of the transmission main shaft 1 as a fulcrum, so that the two swing wings 2 swing in the horizontal direction to realize posture adjustment. At the same time, in order to facilitate the swing rod 10 to swing driven by the second driving mechanism 4, the rotating disc 11 is arranged to enlarge the swing amplitude of the swing rod 10, and facilitate the swing of the swing wing 2. When the rotating disc 11 is swung and turned by the second driving mechanism 4, the output shaft of the second driving mechanism 4 and the rotating disc 11 can be fixedly connected or engaged, to realize transmission of the two.

[0049] Further, as an optional embodiment of the utility model, the output shaft of the second driving mechanism 4 is engaged with a rotating gear 12, and the rotating disc 11 is rotatably connected with the rotating gear 12. In addition to the above-mentioned direct engagement mode of the second driving mechanism 4 and the rotating disc 11, the rotating gear 12 can also be arranged, the second driving mechanism 4 is engaged with the rotating gear 12, and then the rotating gear 12 is connected with the rotating disc 11, to enlarge the rotating torque of the second driving mechanism 4, so as to facilitate the swing and turning of the swing rod 10, and realize posture adjustment of the bionic butterfly flight device.

[0050] Preferably, the output shaft end of the second driving mechanism 4 is further provided with a speed reducer, the speed reducer can further increase the output torque of the second driving mechanism 4, so as to facilitate the swing and turning of the swing rod 10. Preferably, the first driving mechanism 3 in the application is a micro direct-current coreless motor, and the second driving mechanism 4 in the application is a micro direct-current motor.

[0051] Further, as an optional embodiment of the utility model, the end of the transmission main shaft 1 towards the first swing mechanism is also provided with an image recognition mechanism. The image recognition mechanism is arranged at the front end of the bionic butterfly flight device to monitor the environment in front of the flight device and control the flight trajectory of the flight device to avoid collision between the flight device and obstacles. Meanwhile, the image recognition mechanism can also monitor the external environment on the flight path to realize data collection and monitoring of the surrounding environment.

[0052] Further, as an optional embodiment of the utility model, the outer end of the transmission main shaft 1, the first swing mechanism and the second swing mechanism in the application is also covered with a protective shell, and the swing wing 2 and the protective shell are both made of carbon fiber material. The protective shell can protect the transmission structure of the bionic butterfly flight device, facilitating internal structure arrangement, line connection and the like. The swing wing 2 and the protective shell are made of carbon fiber material, so that the overall weight of the bionic butterfly flight device is smaller, which can further reduce the load of the driving mechanism and the power supply and the like, and then a smaller driving motor and battery are selected, further reducing the weight of the bionic butterfly flight device.

[0053] Further, the transmission main shaft 1 in the application is also provided with a power supply assembly, and the power supply assembly is electrically connected with the first swing mechanism and the second swing mechanism respectively. The power supply assembly can be connected with the first driving mechanism 3 and the second driving mechanism 4 through wires to supply power to them, realizing flight and steering control of the bionic butterfly flight device.

[0054] Preferably, the protective shell in the application is also provided with heat dissipation fins on the outer periphery. The driving components of the bionic butterfly flight device are inside the protective shell, which will generate heat when working, and in order to avoid the influence of the external environment on the internal parts, the protective shell is basically in a closed state, therefore the heat dissipation fins are arranged on the outer periphery of the protective shell to improve the heat dissipation capacity of the bionic butterfly flight device and ensure the stable operation of the internal driving mechanism.

[0055] Further preferably, the swing wing 2 in the application can be folded along the plane where the transmission main shaft 1 and the swing rod 10 are located. The folding of the swing wing 2 is limited to the posture conversion in the static state to facilitate the folding and storage or unfolding use of the bionic butterfly flight device.

[0056] Those skilled in the art can easily understand that the above description is only a preferred embodiment of the utility model and is not used to limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A bionic butterfly flight device, characterized in that, The utility model relates to a kind of swing wing mechanism, including: Transmission main shaft is arranged along first direction, and the transmission main shaft is equipped with swing wing respectively on both sides;The both ends of the transmission main shaft are equipped with first swing mechanism and second swing mechanism respectively; The both ends of the first swing mechanism along second direction are connected with the one end of two swing wings respectively, and the both ends of the second swing mechanism along second direction are connected with the other end of two swing wings respectively;The first swing mechanism can drive two swing wings to swing along the plane of second direction and third direction;The second swing mechanism can drive two swing wings to swing along the plane of first direction and second direction.

2. The bionic butterfly flight device according to claim 1, characterized in that, The first swing mechanism includes first driving mechanism arranged at the end of the transmission main shaft and swing body sleeved on the outer end of the output shaft of the first driving mechanism; The output shaft of the first driving mechanism is rotatably connected with swing disc; The both ends of the swing body are rotatably connected with first rotating mechanism and second rotating mechanism respectively, and the opposite ends of the first rotating mechanism and the second rotating mechanism are equipped with meshing teeth; One end of the first rotating mechanism is rotatably connected with the swing disc, and the other end is rotatably connected with the side edge of one of the swing wings;The other end of the second rotating mechanism is rotatably connected with the side edge of the swing wing.

3. The bionic butterfly flight device according to claim 2, characterized in that, The opposite ends of the first rotating mechanism and the second rotating mechanism away from the swing body are also equipped with fixing cover, and the fixing cover is connected with the swing body through screw, and the first rotating mechanism and the second rotating mechanism are rotatably arranged on the screw.

4. The bionic butterfly flight device according to claim 1, characterized in that, The second swing mechanism includes second driving mechanism and swing rod arranged at the end of the transmission main shaft; The swing rod is arranged at the end of the transmission main shaft, and the swing rod is arranged along second direction, and the side edges of two swing wings are rotatably connected with the both ends of the swing rod; The second driving mechanism is arranged along third direction, and the output shaft of the second driving mechanism is rotatably connected with rotating disc, and the rotating disc is connected with the side edge of the swing rod through wire.

5. The bionic butterfly flight device according to claim 4, characterized in that, The output shaft of the second driving mechanism is rotatably connected with rotating gear, and the rotating disc is rotatably connected with the rotating gear.

6. The bionic butterfly flight device according to claim 1, characterized in that, The end of the transmission main shaft towards the first swing mechanism is also equipped with image recognition mechanism.

7. The bionic butterfly flight device according to claim 1, characterized in that, The transmission main shaft is also equipped with power supply assembly, and the power supply assembly is electrically connected with the first swing mechanism and the second swing mechanism respectively.

8. The bionic butterfly flight device according to claim 1, characterized in that, The outer end of the transmission main shaft, the first swing mechanism and the second swing mechanism is also covered with protective shell, and the swing wing and the protective shell are made of carbon fiber material.

9. The bionic butterfly flight device according to claim 8, characterized in that, The outer periphery of the protective shell is also equipped with heat dissipation fin.

10. The bionic butterfly flight device according to claim 4, characterized in that, The swing wing can be folded along the plane of the transmission main shaft and the swing rod.