Foldable single-layer soft flapping wing structure
By adopting a combined structure of the main frame, rotary retracting frame, telescopic slide and keel in the flapping micro-aircraft, the foldable retracting and retracting of the flapping wing is achieved, solving the large volume and lift caused by the inability to fold the existing flapping wings. The problem of insufficient ensures the portability and flight stability of the aircraft.
Patent Information
- Application Number
- CN202420640382.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-30
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-03-30
AI Technical Summary
The wing design of existing flapping micro-aircraft cannot be folded, resulting in large volume and inconvenient portability, or the wing design after folding is too narrow to form sufficient lift.
Using a structure including the main frame, rotary retracting frame, single-layer soft flutter wing and telescopic slide, the angle adjustment of the telescopic slide allows the flutter wing to expand and close between 0-90 degrees, and the single-layer soft wing is A keel is provided as a support mechanism on the flapping wing, and the curved nested slide and high-strength carbon fiber keel are used to achieve foldable and retractable flapping wings.
The wings are successfully expanded and closed during takeoff and landing, ensuring that the aircraft maintains a stable deployment shape during flight, reducing the volume and improving carrying convenience.
Smart Images
Figure CN222329996U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of flapping wings, in particular to a foldable and retractable single-layer soft flapping wing structure. Background Art
[0002] By observing ladybugs in nature, we found that ladybugs crawl and hide in order to better adapt to the natural environment after flying. So after flying, ladybugs will fold their flexible hind wings under their elytra. When encountering narrow passages or spaces, straight wings cannot fly through, while foldable flapping-wing micro-aircraft can fold their wings, crawl through obstacles, complete exploration, etc. Therefore, the exploration of ladybugs is conducive to the research of foldable flapping-wing micro-aircraft.
[0003] At present, in the research of flapping-wing micro-aircraft, the wings are mainly designed as a whole and cannot be folded, resulting in a large volume and inconvenient to carry. Or the foldable flapping-wing aircraft are mostly folded as a whole, so in order to avoid interference after folding, the wings are designed to be narrow and cannot generate sufficient lift.
[0004] Therefore, a foldable and retractable single-layer soft flapping-wing structure has become an urgent problem to be solved. Utility Model Content
[0005] The technical problem to be solved by the utility model is to provide a foldable and retractable single-layer soft flapping-wing structure, which is convenient for a flapping-wing aircraft to complete wing spreading and wing folding actions before take-off and after landing, thereby ensuring the smooth flight of the aircraft.
[0006] In order to solve the above technical problems, the technical solution provided by the utility model is: a foldable and retractable single-layer soft flapping wing structure, comprising a main frame, a rotating retractable frame, a single-layer soft flapping wing and a telescopic slide;
[0007] One end of the rotating retractable frame is rotatably connected to the main frame, and the two sides of the single-layer soft flapping wing are respectively connected to the main frame and the rotating retractable frame. One end of the telescopic slide is connected to the main frame and the other end is connected to the rotating retractable frame. The telescopic slide is telescopic to adjust the angle between the main frame and the rotating mechanism and make the angle between 0-90 degrees.
[0008] Furthermore, the telescopic slide is an arc-shaped nested slide.
[0009] Furthermore, the single-layer soft flapping wing is provided with a keel extending radiating outward from the connection between the independent frame and the rotating retractable frame.
[0010] Compared with the prior art, the utility model has the following advantages: the utility model adjusts the opening and closing of the flapping wings through the telescopic slide, so that the wings can be smoothly spread and folded during takeoff and landing; and the keel is used as a supporting mechanism for the wingspan, so that the wings can be kept in the expanded shape during flight. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 The utility model is a schematic diagram of a top view of a foldable and retractable single-layer soft flapping-wing structure.
[0012] Figure 2 The utility model is a schematic diagram of a foldable and retractable single-layer soft flapping-wing structure viewed from above.
[0013] As shown in the figure: 1. Main frame, 2. Rotating retractable frame, 3. Single-layer soft flapping wing, 4. Telescopic slide, 5. Keel, 6. Single-sided airflow closing blade unit. DETAILED DESCRIPTION
[0014] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inside", "outside", "vertical", "circumferential", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0015] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0016] The foldable and retractable single-layer soft flapping-wing structure of the utility model is further described in detail below in conjunction with the accompanying drawings.
[0017] Combined with Figure 1-2 The specific implementation process of the foldable and retractable single-layer soft flapping wing structure of the utility model is as follows:
[0018] A foldable and retractable single-layer soft flapping wing structure comprises a main frame 1, a rotating retractable frame 2, a single-layer soft flapping wing 3 and a telescopic slide 4; one end of the rotating retractable frame 2 is rotatably connected to the main frame 1, and the two sides of the single-layer soft flapping wing 3 are respectively connected to the main frame 1 and the rotating retractable frame 2; one end of the telescopic slide 4 is connected to the main frame 1 and the other end is connected to the rotating retractable frame 2; the main frame 1 and the rotating retractable frame 2 are used as the main supporting structure, and the rotation relationship between the two regulates the extension and contraction of the wingspan, and also serves as the connecting body of the single-layer soft flapping wing 3; the rotation connection between the main frame 1 and the rotating retractable frame 2 is connected to the main structure of the flapping wing aircraft, and the rotation angle is controlled by the main frame 1 and the rotating retractable frame 2;
[0019] The telescopic slide 4 telescopes to adjust the angle between the main frame 1 and the rotating mechanism and makes the angle between 0 and 90 degrees; the telescopic slide 4 pushes the rotating storage frame 2 to rotate and thus adjust the opening of the single-layer soft flapping wing 3.
[0020] In one embodiment of the present application, the end of the rotating retractable frame 2 extends into the main frame 1 and is rotatably connected thereto. On this basis, the rotating retractable frame 2 can be partially or even completely retracted into the main frame 1 after rotating and closing, thereby reducing the volume of the entire flapping wing.
[0021] Preferably, the telescopic slide 4 is an arc-shaped nested slide, which can make the rotating storage rack 2 more natural when rotating to open and close. At the same time, the nested structure allows each section of the telescopic slide 4 to be retracted into the next section, reducing the volume when stored.
[0022] In one embodiment of the present application, a single-layer soft flapping wing 3 is provided with a keel 5 which extends radiating outward from the connection between the main frame 1 and the rotating retractable rack 2. The keel 5 can be connected to the connection between the main frame 1 and the rotating retractable rack 2 and rotate with them to better support the single-layer soft flapping wing 3, so that the distribution of the keel 5 is more even and the supporting effect is better. The keel 5 can be made of high-strength carbon fiber to make it stronger.
[0023] Preferably, the end of the keel 5 extends outward beyond the edge of the single-layer soft flapping wing 3. The longer length of the keel 5 allows the tension of the single-layer soft flapping wing 3 to be adjusted as needed to meet flight requirements.
[0024] Preferably, the edge of the single-layer soft flapping wing 3 between every two keels 5 is in a concave arc shape.
[0025] In one embodiment of the present application, a plurality of single-sided airflow closing blade units 6 are provided on the upper surface of the single-layer soft flapping wing 3, and the single-sided airflow closing blade units 6 can be adjusted into various shapes as required.
[0026] Preferably, the telescopic slide 4 is arranged below the lower surface of the single-layer soft flapping wing 3 .
[0027] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.
Claims
1. A foldable and retractable single-layer soft flapping-wing structure, characterized in that: It comprises a main frame (1), a rotating retractable frame (2), a single-layer soft flapping wing (3) and a telescopic slideway (4); One end of the rotating retractable frame (2) is rotatably connected to the main frame (1); two sides of the single-layer soft flapping wing (3) are respectively connected to the main frame (1) and the rotating retractable frame (2); one end of the telescopic slide (4) is connected to the main frame (1) and the other end is connected to the rotating retractable frame (2); the telescopic slide (4) telescopically adjusts the angle between the main frame (1) and the rotating mechanism and makes the angle between 0 and 90 degrees.
2. The foldable and retractable single-layer soft flapping-wing structure according to claim 1, characterized in that: The end of the rotating storage rack (2) extends into the main frame (1) and is rotatably connected thereto.
3. The foldable and retractable single-layer soft flapping-wing structure according to claim 2, characterized in that: The telescopic slideway (4) is an arc-shaped nested slideway.
4. The foldable and retractable single-layer soft flapping-wing structure according to claim 3, characterized in that: The single-layer soft flapping wing (3) is provided with a keel (5) which extends radially outward from the connection between the independent frame (1) and the rotating retractable frame (2).
5. The foldable and retractable single-layer soft flapping-wing structure according to claim 4, characterized in that: The end of the keel (5) extends outwards beyond the edge of the single-layer soft flapping wing (3).
6. The foldable and retractable single-layer soft flapping-wing structure according to claim 5, characterized in that: The edge of the single-layer soft flapping wing (3) between every two keels (5) is in an inwardly concave arc shape.
7. The foldable and retractable single-layer soft flapping-wing structure according to claim 6, characterized in that: The upper surface of the single-layer soft flapping wing (3) is provided with a plurality of single-sided airflow closing blade units (6).
8. The foldable and retractable single-layer soft flapping-wing structure according to claim 7, characterized in that: The telescopic slideway (4) is arranged below the lower surface of the single-layer soft flapping wing (3).