Foldable rack for lightweight unmanned aerial vehicle
By designing a lightweight foldable frame for drones and utilizing the fixed connection between the support frame and rotating parts, the problem of large space occupation of traditional drone frames is solved, thereby improving the portability and stability of drones.
Patent Information
- Application Number
- CN202520378529.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Traditional drones have fixed frame structures, occupy a lot of space, and are difficult to meet storage and transportation needs.
Design a lightweight foldable frame for drones. By fixing the support frame and rotating parts, and utilizing the cooperation of the fixed plate, bearing seat, positioning rod, strip groove and rotating parts, the support frame can be flexibly rotated and folded, ensuring stability during unfolding and folding.
This technology enhances the portability of drones, enabling them to be easily folded, stored, and transported, while also improving the stability of the frame in its unfolded state and its compactness in its folded state.
Smart Images

Figure CN223791777U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of unmanned aerial vehicle (UAV) technology, and in particular to a lightweight foldable frame for UAVs. Background Technology
[0002] Unmanned aerial vehicles (UAVs) are unmanned aircraft controlled by radio remote control equipment and their own program control devices, or operated autonomously by an onboard computer, either completely or intermittently.
[0003] With the rapid development of drone technology, its application in various fields such as military, agriculture, logistics, emergency rescue, and film and television production is becoming increasingly widespread. However, most traditional drone frames adopt a fixed structure, usually made of aluminum alloy or carbon fiber composite materials. Fixed frames take up a lot of space during storage and transportation, which cannot meet the needs of users. To address this issue, we propose a lightweight foldable frame for drones. Utility Model Content
[0004] The purpose of this invention is to provide a lightweight foldable frame for unmanned aerial vehicles (UAVs) to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A lightweight foldable frame for a drone includes a drone body. Two sets of positioning frames are fixedly connected to the bottom surface of the drone body. Two sets of propellers are fixedly mounted on the upper surface of the drone body. A frame is fixedly connected to the bottom surface of the drone body. Each of the two sets of positioning frames has a slotted groove on its opposite side. A fixing plate is fixedly connected inside each positioning frame. Two bearing seats are fixedly connected to the bottom surface of each fixing plate. A positioning rotating rod is fixedly connected to the inner ring of each set of bearing seats. A rotating component is located below each fixing plate. A connecting hole is opened on the right side of each rotating component, and the connecting hole is rotatably connected to the positioning rotating rod. A support frame is fixedly connected to the opposite side of the two sets of rotating components. The top of each rotating component is fixedly connected to the bottom surface of the fixing plate.
[0007] In a further embodiment, two sets of right-angle plates are fixedly connected to the bottom surface of the drone body, and the upper surface of each right-angle plate is fixedly connected to the bottom surface of the frame.
[0008] In a further embodiment, a positioning block is fixedly connected to the upper surface of each of the fixed plates, and the upper surface of each positioning block is fixedly connected to the bottom surface of the UAV body.
[0009] In a further embodiment, protective pads are fixedly connected to the opposite sides of the two support frames, and the protective pads are made of rubber.
[0010] In a further embodiment, two force-bearing plates are fixedly connected to the bottom surface of the drone body, and the force-bearing plates are adapted to the support frame.
[0011] In a further embodiment, two reinforcing plates are fixedly connected to the bottom surface of the drone body. The front end and rear end of each reinforcing plate are fixed to one side of the positioning frame that is close to each other, and the two sides of the reinforcing plates that are close to each other are in contact with the frame.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] This device achieves flexible rotation and folding of the support frame through a fixed connection between the support frame and the rotating component, and by utilizing the cooperation of the fixed plate, bearing seat, positioning rod, slot, and rotating component. The provided slot can limit the rotation of the support frame, ensuring its stability during unfolding and folding. The force plate can provide additional support for the support frame, enhancing its stability. The cooperation of the bearing seat, positioning rod, and connecting hole ensures the stability of the support frame in the unfolded state and the compactness in the folded state, allowing the drone body to be easily folded, stored, and transported when not in use, greatly improving the portability of the drone. Attached Figure Description
[0014] Figure 1 A schematic diagram of the three-dimensional structure of the drone body with a foldable frame for lightweight drones.
[0015] Figure 2 A top-down view of the drone body within a foldable frame for lightweight drones.
[0016] Figure 3 A cross-sectional view of the positioning frame in a foldable frame for lightweight drones.
[0017] Figure 4 A side view of the drone body within a foldable frame for lightweight drones.
[0018] In the diagram: 1. UAV body; 2. Positioning frame; 3. Propeller; 4. Frame; 5. Right-angle plate; 6. Strip groove; 7. Fixing plate; 8. Rotating component; 9. Positioning block; 10. Support frame; 11. Protective pad; 12. Force plate; 13. Reinforcing plate; 14. Positioning rotating rod; 15. Connecting hole; 16. Bearing seat. Detailed Implementation
[0019] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.
[0020] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Please see Figure 1-4This utility model discloses a lightweight foldable frame for unmanned aerial vehicles (UAVs), comprising a UAV body 1. Two sets of positioning frames 2 are fixedly connected to the bottom surface of the UAV body 1. Two sets of propellers 3 are fixedly installed on the upper surface of the UAV body 1. A frame 4 is fixedly connected to the bottom surface of the UAV body 1. Each set of positioning frames 2 has a slot 6 on its opposite side. A fixing plate 7 is fixedly connected inside each positioning frame 2. Two bearing seats 16 are fixedly connected to the bottom surface of each fixing plate 7. A positioning rotating rod 14 is fixedly connected to the inner ring of each set of bearing seats 16. A rotating component 8 is provided below each fixing plate 7. A connecting hole 15 is provided on the right side of each rotating component 8, and the connecting hole 15 is rotatably connected to the positioning rotating rod 14. A support frame 10 is fixedly connected to the opposite side of the two sets of rotating components 8. The top of each rotating component 8 is fixedly connected to the bottom surface of the fixed plate 7. The support frame 10 is fixedly connected to the rotating component 8. Through the cooperation of the fixed plate 7, bearing seat 16, positioning rotating rod 14, strip groove 6 and rotating component 8, the flexible rotation and folding of the support frame 10 are realized. The provided strip groove 6 can limit the rotation of the support frame 10 to ensure its stability during unfolding and folding. The force plate 12 can provide additional support for the support frame 10, enhancing its stability. Through the cooperation of the bearing seat 16, positioning rotating rod 14 and connecting hole 15, the stability of the support frame 10 in the unfolded state and the compactness in the folded state are ensured. This allows the drone body 1 to be easily folded, stored and transported when not in use, greatly improving the portability of the drone.
[0023] Two sets of right-angle plates 5 are fixedly connected to the bottom surface of the drone body 1. The upper surface of each right-angle plate 5 is fixedly connected to the bottom surface of the frame 4. The right-angle plates 5 are used to reinforce the frame 4. The upper surface of each fixed plate 7 is fixedly connected to a positioning block 9. The upper surface of each positioning block 9 is fixedly connected to the bottom surface of the drone body 1. The positioning blocks 9 are used to support the fixed plate 7. The two support frames 10 are fixedly connected to protective pads 11 on their opposite sides. The protective pads 11 are made of rubber. The protective pads 11 are used to fix the support frames 10.
[0024] Two force-bearing plates 12 are fixedly connected to the bottom surface of the drone body 1, and the force-bearing plates 12 are adapted to the support frame 10. The force-bearing plates 12 facilitate the reinforcement of the support frame 10. Two reinforcing plates 13 are fixedly connected to the bottom surface of the drone body 1. The front end and the rear end of each reinforcing plate 13 are fixed to the side of the positioning frame 2 that are close to each other. The side of the two reinforcing plates 13 that are close to each other are in contact with the frame 4. The reinforcing plates 13 facilitate the fixation of the positioning frame 2 and also limit the movement of the frame 4 to ensure the stability of the frame 4 and the positioning frame 2.
[0025] The working principle of this utility model is as follows:
[0026] In use, the support frame 10 is first fixed to the rotating part 8. The support frame 10 can be rotated by the cooperation of the fixing plate 7, bearing seat 16, positioning rotating rod 14, strip groove 6 and rotating part 8. The strip groove 6 is used for limiting the position, which allows the support frame 10 to be flexibly folded and unfolded. At the same time, when the support frame 10 is unfolded, the force plate 12 can support the support frame 10. Since the bottom surface of the support frame 10 is fixedly connected to the protective pad 11, it is used to protect the support frame 10. The cooperation of the strip groove 6 and the connecting hole 15 ensures the stability of the support frame 10 in the unfolded state or the compactness in the folded state, so that the drone body 1 can be folded, stored and transported when not in use.
[0027] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0028] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A foldable frame for a lightweight unmanned aerial vehicle, characterized by: Including unmanned aerial vehicle body (1), the bottom surface of unmanned aerial vehicle body (1) is fixedly connected with two groups of positioning frame (2), the upper surface of unmanned aerial vehicle body (1) is fixedly installed with two groups of propeller (3), the bottom surface of unmanned aerial vehicle body (1) is fixedly connected with machine frame (4), the side face of two groups of positioning frame (2) away from each other is provided with strip slot (6), the inside of each positioning frame (2) is fixedly connected with fixed plate (7), the bottom surface of each fixed plate (7) is fixedly connected with two bearing seats (16), the inner ring of each bearing seat (16) is fixedly connected with positioning rotating rod (14) in common, the lower portion of each fixed plate (7) is equipped with rotating part (8), the right side face of each rotating part (8) is provided with connecting hole (15), and connecting hole (15) is rotatably connected with positioning rotating rod (14), the side face of two groups of rotating part (8) away from each other is fixedly connected with support frame (10) in common, and the top of each rotating part (8) is fixedly connected with the bottom surface of fixed plate (7).
2. The foldable frame for a lightweight UAV of claim 1, wherein: The bottom surface of the unmanned aerial vehicle body (1) is fixedly connected with two groups of right-angle plates (5), and the upper surface of each right-angle plate (5) is fixedly connected with the bottom surface of the machine frame (4).
3. The foldable frame for a lightweight UAV of claim 1, wherein: The upper surface of each fixed plate (7) is fixedly connected with a positioning block (9), and the upper surface of each positioning block (9) is fixedly connected with the bottom surface of the unmanned aerial vehicle body (1).
4. The foldable frame for a lightweight UAV of claim 1, wherein: The side face of two support frames (10) away from each other is fixedly connected with a protective pad (11), and the protective pad (11) is made of rubber.
5. The foldable frame for a lightweight UAV of claim 1, wherein: The bottom surface of the unmanned aerial vehicle body (1) is fixedly connected with two force plates (12), and the force plates (12) are adapted to the support frames (10).
6. The foldable frame for a lightweight unmanned aerial vehicle according to claim 1, wherein: The bottom surface of the unmanned aerial vehicle body (1) is fixedly connected with two reinforcing plates (13), and the front end of each reinforcing plate (13) and the rear end of the reinforcing plate (13) are fixedly connected with the side face of the positioning frame (2) close to each other, respectively, and the side face of two reinforcing plates (13) close to each other is in contact with the machine frame (4), respectively.