A drone fairing connection mechanism
By using a rigid connection between the plug rod and the fixing hole and a pneumatic transmission system, the problem of easy loosening of the drone fairing connection mechanism during high-speed flight is solved, achieving a stable connection and quick installation and disassembly, thus improving the flight safety and maintenance efficiency of the drone.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BEIJING DEZHIHANGCHUANG TECH CO LTD
- Filing Date
- 2025-07-07
- Publication Date
- 2026-06-16
AI Technical Summary
Existing drone fairing connection mechanisms are prone to loosening and falling off during high-speed flight or in complex airflow environments, and the installation and disassembly process is cumbersome, affecting flight safety and maintenance costs.
The rigid insertion of the insertion rod into the fixing hole, combined with a pneumatic transmission system and drive mechanism, ensures that the insertion rod is subjected to synchronous force. The drive mechanism of the rotating block and threaded rod enables quick installation and disassembly.
Maintaining a secure connection to the fairing in high-speed airflow environments enhances flight safety, simplifies installation and disassembly processes, reduces maintenance and repair time and costs, and minimizes the risk of damage.
Smart Images

Figure CN224361409U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fairing technology, and in particular to a drone fairing connection mechanism. Background Technology
[0002] In the field of drone technology, fairings are crucial for improving the aerodynamic performance of drones and protecting internal components from the impact of external airflow.
[0003] Existing drone fairing connection mechanisms mostly use traditional bolts and clips for fixing. When the drone flies at high speed or encounters complex airflow environments, the connection points are prone to loosening or falling off, causing the fairing to fail to function properly and even posing a serious threat to the drone's flight safety. On the other hand, the installation and disassembly process of these connection mechanisms is relatively cumbersome, which not only increases the time cost of drone maintenance and repair, but also necessitates the proposal of a drone fairing connection mechanism to address the above problems. Utility Model Content
[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a drone fairing connection mechanism.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A drone fairing connection mechanism includes a frame with four sets of connecting arms on its outer wall. Each set of connecting arms has a blade rotatably connected to its end. Each blade has a cover fitted onto its outer wall. Each set of connecting arms has multiple sets of fixing blocks fixedly connected to its lower end. Each set of fixing blocks has a groove on its end face and a moving hole on its inner wall. A connecting rod is movably connected to the moving hole. A sliding plate is fixedly connected to the end of the connecting rod. The outer wall of the cover has multiple sets of fixing holes. An insert rod is fixedly connected to the outer wall of the sliding plate and is inserted into the corresponding fixing hole. A device cylinder is fixedly connected to the lower end of the connecting arm. A drive mechanism that drives the insert rod to be inserted into the fixing hole is installed in the device cylinder.
[0007] Preferably, the driving mechanism includes a piston one fixedly connected to the end of the connecting rod, the piston one slidingly in contact with the moving hole, multiple sets of air pipes fixedly connected to the outer wall of the device cylinder, each set of air pipes communicating with the moving hole and the inside of the device cylinder at both ends, and a piston two movably connected inside the device cylinder.
[0008] Preferably, a threaded rod is rotatably connected inside the cylinder of the device, and a slider is threadedly connected to the threaded section of the threaded rod, and the slider is fixedly connected to the piston.
[0009] Preferably, a limiting rod is fixedly connected to the bottom of the inner cylinder of the device, and the slider is slidably connected to the outer wall of the limiting rod.
[0010] Preferably, a limiting block is fixedly connected to the end of the threaded rod, and the radius of the limiting block is larger than the radius of the threaded rod.
[0011] Preferably, a rotating block is rotatably connected to the lower end of the device cylinder, and the rotating block is coaxially and fixedly connected to the threaded rod.
[0012] This utility model has the following beneficial effects:
[0013] 1. This utility model effectively solves the problem of traditional bolt and buckle connections easily loosening and falling off under high-speed airflow by using a rigid insertion mechanism between the insertion rod and the fixing hole. When the UAV is in high-speed flight or complex airflow environment, the insertion rod is firmly inserted into the fixing hole. In conjunction with the air pipe, piston one, piston two and other components, the pneumatic transmission system allows multiple insertion rods to be stressed simultaneously, ensuring that the cover is stably connected to the connecting arm. This ensures that the fairing can stably guide and rectify the airflow, thereby improving the flight safety of the UAV.
[0014] 2. This utility model simplifies the installation and disassembly process of the fairing by using a drive mechanism composed of components such as a rotating block, threaded rod, and slider. During installation, rotating the rotating block allows the insertion rod to be quickly and synchronously inserted into the fixing hole. During disassembly, rotating the rotating block in the opposite direction allows the insertion rod to be synchronously withdrawn. There is no need to remove screws or clips one by one, which greatly reduces the time cost of drone maintenance and repair, and at the same time reduces the risk of damage to the fairing and drone body caused by frequent disassembly and assembly of screws and clips or improper operation. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of a drone fairing connection mechanism proposed in this utility model;
[0016] Figure 2 for Figure 1 Structural diagram.
[0017] Figure 3 for Figure 1 Schematic diagram of components such as the middle cover, device cylinder, and fixing block.
[0018] Figure 4 for Figure 3 A schematic diagram of the structure of components such as the central device cylinder, air pipe, and insertion rod.
[0019] Figure 5 for Figure 4 Schematic diagram of cross-section structure.
[0020] In the diagram: 1. Frame; 2. Cover; 3. Blade; 4. Device cylinder; 5. Fixing block; 6. Fixing hole; 7. Slide groove; 8. Moving hole; 9. Slide plate; 10. Insert rod; 11. Connecting rod; 12. Piston one; 13. Air pipe; 14. Threaded rod; 15. Rotating block; 16. Sliding block; 17. Limiting rod; 18. Limiting block; 19. Piston two. Detailed Implementation
[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 of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0022] Reference Figure 1-5 A drone fairing connection mechanism includes a frame 1. The frame 1 has four sets of connecting arms on its outer wall. Each set of connecting arms is rotatably connected to a blade 3 at its end. The outer wall of each blade 3 is fitted with a cover 2. Each set of connecting arms is fixedly connected to a plurality of fixing blocks 5 at its lower end. Each set of fixing blocks 5 has a sliding groove 7 on its end face. The inner wall of the sliding groove 7 has a moving hole 8. A connecting rod 11 is movably connected in the moving hole 8. A sliding plate 9 is fixedly connected to the end of the connecting rod 11. The outer wall of the cover 2 has a plurality of fixing holes 6. An insert rod 10 is fixedly connected to the outer wall of the sliding plate 9. The insert rod 10 is inserted into the corresponding fixing hole 6. A device cylinder 4 is fixedly connected to the lower end of the connecting arm. A drive mechanism is installed in the device cylinder 4 to drive the insert rod 10 to be inserted into the fixing hole 6.
[0023] Furthermore, the rigid connection between the insertion rod 10 and the fixing hole 6 can resist high-speed airflow vibration, avoiding the loosening of threads caused by high-frequency vibration of traditional bolts. At the same time, multiple sets of insertion rods 10 can be controlled simultaneously by operating the drive mechanism, without the need to disassemble screws or clips one by one.
[0024] The drive mechanism includes a piston 12 fixedly connected to the end of the connecting rod 11. The piston 12 slides in contact with the moving hole 8. Multiple sets of air pipes 13 are fixedly connected to the outer wall of the device cylinder 4. The two ends of each set of air pipes 13 are respectively connected to the moving hole 8 and the inside of the device cylinder 4. A piston 2 19 is movably connected inside the device cylinder 4.
[0025] Furthermore, the air pressure transmission ensures that multiple sets of insert rods 10 operate synchronously, avoiding deformation of the cover 2 caused by uneven force at a single point.
[0026] A threaded rod 14 is rotatably connected inside the device cylinder 4. A slider 16 is threadedly connected to the threaded section of the threaded rod 14. The slider 16 is fixedly connected to the piston 19. A limit rod 17 is fixedly connected to the bottom of the device cylinder 4. The slider 16 is slidably connected to the outer wall of the limit rod 17.
[0027] Furthermore, the insertion depth of the insertion rod 10 can be finely adjusted by rotating the threaded rod 14.
[0028] A limiting block 18 is fixedly connected to the end of the threaded rod 14. The radius of the limiting block 18 is larger than the radius of the threaded rod 14. A rotating block 15 is rotatably connected to the lower end of the device cylinder 4. The rotating block 15 is coaxially fixedly connected to the threaded rod 14.
[0029] Furthermore, the limiting block 18 can prevent the threaded rod 14 from being excessively screwed out, and prevent the slider 16 from disengaging from the device cylinder 4.
[0030] In this invention, when the device is used, if a technician needs to install the flow guide, the cover 2 is first placed on the outer wall of the blade 3, so that the fixing hole 6 on the cover 2 is initially aligned with the insertion rod 10 on the slide plate 9. At this time, the insertion rod 10 has not yet been inserted into the fixing hole 6, and the cover 2 is in an unfixed state.
[0031] Subsequently, the technician rotated the rotating block 15, which caused the coaxially fixed threaded rod 14 to rotate inside the device cylinder 4. Since the slider 16 is threadedly connected to the threaded rod 14 and slidably connected to the outer wall of the limiting rod 17, the slider 16 moves smoothly along the direction of the limiting rod 17 when the threaded rod 14 rotates. The slider 16 drives the piston 19 to slide inside the device cylinder 4, and the gas inside the device cylinder 4 is compressed into the moving hole 8 through the air pipe 13.
[0032] After the gas enters the moving hole 8, it pushes the piston 12, which is fixed to the end of the connecting rod 11. The connecting rod 11 drives the slide plate 9 to slide in the slide groove 7, thereby causing the insertion rod 10 on the slide plate 9 to be quickly and synchronously inserted into the fixing hole 6 on the outer wall of the cover 2, realizing a firm connection between the guide cover and the connecting arm. Due to the characteristics of air pressure transmission, multiple sets of insertion rods 10 can move synchronously, avoiding the problem of deformation of the cover 2 caused by uneven force at a single point.
[0033] During the connection process, technicians can precisely control the number of rotations of the rotating block 15 and use the threaded transmission between the threaded rod 14 and the slider 16 to fine-tune the insertion depth of the insertion rod 10, achieving a precise fit between the guide shield and the frame 1, effectively preventing turbulence in the airflow at the connection point. Simultaneously, the limiting block 18 at the end of the threaded rod 14 prevents the threaded rod 14 from excessively unscrewing, preventing the slider 16 from disengaging from the device cylinder 4, ensuring the safety and stability of the drive mechanism.
[0034] When the fairing needs to be disassembled for maintenance, the technician rotates the rotating block 15 in the opposite direction, causing the piston 19 to move in the opposite direction. The gas in the moving hole 8 flows back to the device cylinder 4 through the air pipe 13, and the insertion rod 10 is simultaneously withdrawn from the fixing hole 6 under the action of the sliding plate 9. This operation method eliminates the need to remove screws or clips one by one, simplifying the installation and disassembly process, reducing the time cost of drone maintenance and repair, and reducing the risk of damage to the fairing or the drone itself due to improper operation.
[0035] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A drone fairing connection mechanism, comprising a frame (1), characterized in that, The frame (1) has four sets of connecting arms on its outer wall. Each set of connecting arms is rotatably connected to a blade (3) at its end. Each blade (3) is fitted with a cover (2) on its outer wall. Each set of connecting arms is fixedly connected to a number of fixing blocks (5) at its lower end. Each set of fixing blocks (5) has a sliding groove (7) on its end face. The inner wall of the sliding groove (7) has a moving hole (8). A connecting rod (11) is movably connected in the moving hole (8). A sliding plate (9) is fixedly connected to the end of the connecting rod (11). The cover (2) has a number of fixing holes (6) on its outer wall. A plug rod (10) is fixedly connected to the outer wall of the sliding plate (9). The plug rod (10) is inserted into the corresponding fixing hole (6). A device cylinder (4) is fixedly connected to the lower end of the connecting arm. A drive mechanism is installed in the device cylinder (4) that drives the plug rod (10) to be inserted into the fixing hole (6).
2. The unmanned aerial vehicle fairing connection mechanism according to claim 1, characterized in that, The driving mechanism includes a piston (12) fixedly connected to the end of the connecting rod (11). The piston (12) slides in the moving hole (8). Multiple sets of air pipes (13) are fixedly connected to the outer wall of the device cylinder (4). The two ends of each set of air pipes (13) are respectively connected to the moving hole (8) and the inside of the device cylinder (4). A piston (19) is movably connected inside the device cylinder (4).
3. The unmanned aerial vehicle fairing connection mechanism according to claim 2, characterized in that, A threaded rod (14) is rotatably connected inside the device cylinder (4). A slider (16) is threadedly connected to the threaded section of the threaded rod (14). The slider (16) is fixedly connected to the piston (19).
4. The UAV fairing connection mechanism according to claim 3, characterized in that, The device cylinder (4) is fixedly connected to a limiting rod (17) at the bottom, and the slider (16) is slidably connected to the outer wall of the limiting rod (17).
5. The unmanned aerial vehicle fairing connection mechanism according to claim 4, characterized in that, The end of the threaded rod (14) is fixedly connected to a limiting block (18), and the radius of the limiting block (18) is larger than the radius of the threaded rod (14).
6. The unmanned aerial vehicle fairing connection mechanism according to claim 5, characterized in that, The lower end of the device cylinder (4) is rotatably connected to a rotating block (15), and the rotating block (15) is coaxially and fixedly connected to the threaded rod (14).