Connecting structure between wings of carbon fiber unmanned aerial vehicle
The interwing connection structure for drones, designed with carbon fiber materials, utilizes components such as slides, connecting shells, and bolts to achieve rapid connection and disassembly between the drone wings. This solves the problem of complexity in traditional connection structures and improves the stability and convenience of drones.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NANJING XINGRUI COMPOSITE MATERIALS TECHNOLOGY CO LTD
- Filing Date
- 2025-06-13
- Publication Date
- 2026-05-05
AI Technical Summary
Traditional drone wing-to-wing connection structures are complex, difficult to manufacture and maintain, and inconvenient to assemble.
The interwing connection structure of the drone, designed with carbon fiber material, uses components such as slides, connecting shells, connecting rods, buttons and springs to achieve quick connection and disassembly of the wings, and combines bolts and threaded connections of the fixing shell to improve stability.
It simplifies the manufacturing and maintenance process, improves the stability and ease of connection, and reduces the complexity of assembly and disassembly.
Smart Images

Figure CN224197989U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of unmanned aerial vehicle (UAV) technology, and in particular to a carbon fiber UAV interwing connection structure. Background Technology
[0002] Carbon fiber interwing connection structures for UAVs have significant application value in modern UAV design, especially in improving the strength, rigidity, and weight reduction of aircraft. Carbon fiber materials offer superior performance. With the continuous development of UAV technology, especially in its widespread application in aerospace, military, measurement, and entertainment fields, higher requirements are being placed on the structural performance of UAVs.
[0003] Traditional UAV wing-to-wing connection structures connect the wings to the fuselage using metal brackets, bolts, hinges, and other components to ensure flight stability. By rationally distributing the load, improving shock resistance, and maintaining structural rigidity, the structure ensures that the wings are not damaged during flight, avoids excessive wing swinging or twisting, and maintains flight stability.
[0004] Traditional interwing connection structures for UAVs typically require multiple components, such as metal brackets, hinges, and shock absorbers. These components not only increase the difficulty of manufacturing but also add complexity to assembly and maintenance. To address these issues, a carbon fiber interwing connection structure for UAVs is proposed. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides a carbon fiber interwing connection structure for unmanned aerial vehicles (UAVs), aiming to improve the problem of the relatively complex interwing connection structure of UAVs in the prior art.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A carbon fiber unmanned aerial vehicle (UAV) interwing connection structure includes a wing, two fixing blocks are fixedly connected to one side of the wing, a slide cylinder is fixedly connected to the inner wall of each fixing block, a connecting shell is slidably connected to the inner wall of the slide cylinder, a connecting rod is slidably connected to the inner wall of the connecting shell, a button is fixedly connected to one end of the connecting rod, a sliding piece is fixedly connected to the outer wall of the connecting rod, a spring is sleeved on the outer wall of the connecting rod, a limit block is fixedly connected to the inner wall of the connecting shell, a sliding rod is fixedly connected to the other end of the connecting rod, two ball bearings are movably connected to the outer wall of the connecting shell, a stop block is fixedly connected to the outer wall of the connecting shell, and a fixing component is provided on one side of the wing.
[0008] As a further description of the above technical solution:
[0009] The fixing assembly includes a connecting block 1, a bolt is fixedly connected to the inner wall of the connecting block 1, a fixing shell is threadedly connected to the outer wall of the bolt, and one side of the connecting block 1 is fixedly connected to one side of the wing 1.
[0010] As a further description of the above technical solution:
[0011] One end of the fixed shell is rotatably connected to a connector, and one side of the connector is fixedly connected to a connecting block two.
[0012] As a further description of the above technical solution:
[0013] One side of the connecting block two is fixedly connected to the second wing, and one side of the second wing is fixedly connected to two fixing blocks two;
[0014] As a further description of the above technical solution:
[0015] Each of the two fixed blocks is fixedly connected to one side with a sliding column, and the outer wall of the sliding column is fixedly connected with four limiting strips. The outer wall of the connecting shell is slidably connected to the inner wall of the sliding column.
[0016] As a further description of the above technical solution:
[0017] The outer wall of the sliding piece is slidably connected to the inner wall of the connecting shell, and the outer wall of the sliding rod is slidably connected to the inner wall of the connecting shell.
[0018] As a further description of the above technical solution:
[0019] The outer wall of the ball contacts the outer wall of the sliding rod, and one end of the spring is fixedly connected to one side of the sliding plate;
[0020] As a further description of the above technical solution:
[0021] The other end of the spring is fixedly connected to one side of the limiting block, and the outer wall of the ball is in contact with the outer wall of the slide.
[0022] This utility model has the following beneficial effects:
[0023] 1. In this utility model, by inserting the sliding column and the limiting strip into the inner wall of the slide cylinder, pressing the button causes the connecting rod to move forward inside the connecting shell, thereby causing the sliding plate to compress the spring, so that the spring generates elastic force, providing power for the button and the connecting rod to reset. The connecting rod can drive the sliding rod to slide on the inner wall of the connecting shell, so that the two balls can slide into the groove of the sliding rod. At this time, the connecting shell can be inserted into the inner wall of the slide cylinder and the sliding column. Releasing the button causes the compressed spring to push the sliding plate forward and drive the connecting rod to move. At the same time, the connecting rod can drive the sliding rod to move. The sliding rod can squeeze the two balls out of the groove, thereby locking the outer wall of the slide cylinder and connecting and fixing the first wing and the second wing.
[0024] 2. In this utility model, when wing one and wing two are connected, the fixed shell can rotate on the connector. At this time, by rotating the fixed shell on the bolt, the fixed shell can be threadedly connected to the bolt, which further strengthens the tightness of the equipment and improves the stability of the equipment, preventing the equipment from shaking during operation, and making the installation and disassembly of the device more convenient. Attached Figure Description
[0025] Figure 1 This is a three-dimensional schematic diagram of a carbon fiber unmanned aerial vehicle (UAV) interwing connection structure proposed in this utility model;
[0026] Figure 2 This is a schematic diagram of the fixed shell of a carbon fiber unmanned aerial vehicle (UAV) interwing connection structure proposed in this utility model;
[0027] Figure 3 This is a schematic diagram of the slide tube of the carbon fiber unmanned aerial vehicle interwing connection structure proposed in this utility model;
[0028] Figure 4 This is a schematic diagram of the sliding rod of a carbon fiber unmanned aerial vehicle (UAV) interwing connection structure proposed in this utility model.
[0029] Legend:
[0030] 1. Wing 1; 2. Fixing Block 1; 3. Slide Cylinder; 4. Connecting Shell; 5. Connecting Rod; 6. Button; 7. Sliding Plate; 8. Spring; 9. Limiting Block; 10. Sliding Rod; 11. Ball; 12. Stop Block; 13. Sliding Column; 14. Limiting Strip; 15. Fixing Block 2; 16. Wing 2; 17. Connecting Block 1; 18. Bolt; 19. Fixing Shell; 20. Connector; 21. Connecting Block 2. Detailed Implementation
[0031] 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.
[0032] Reference Figure 1 , Figure 3 and Figure 4 This utility model provides an embodiment of a carbon fiber UAV interwing connection structure, including a wing 1. Two fixing blocks 2 are fixedly connected to one side of the wing 1. The two fixing blocks 2 provide solid support points for the entire connection structure, ensuring that subsequent components can be installed stably and increasing the reliability and stability of the overall structure. Slide cylinders 3 are fixedly connected to the inner walls of the two fixing blocks 2. The slide cylinders 3 are one of the important components of the connection structure and play the role of connecting subsequent components. A connecting shell 4 is slidably connected to the inner wall of the slide cylinder 3. The connecting shell 4 can slide inside the slide cylinder 3 and can be precisely adjusted as needed to ensure the accuracy and stability of the connection. A connecting rod 5 is slidably connected to the inner wall of the connecting shell 4. It can be extended and retracted according to operational needs to ensure the adjustability of the connection part. A button 6 is fixedly connected to one end of the connecting rod 5. The button 6 allows the operator to easily operate or release the connecting rod 5, thereby realizing quick connection or disassembly.
[0033] A sliding plate 7 is fixedly connected to the outer wall of the connecting rod 5. The sliding plate 7 can squeeze the subsequent components. A spring 8 is sleeved on the outer wall of the connecting rod 5. The spring 8 is elastic and can provide automatic restoring force to ensure that the connecting rod 5 can automatically reset after use, thereby enhancing the stability and durability of the connection. A limit block 9 is fixedly connected to the inner wall of the connecting shell 4. The limit block 9 can limit the movement range of the spring 8. A sliding rod 10 is fixedly connected to the other end of the connecting rod 5. The sliding rod 10 can play a guiding role, thereby driving the subsequent components to move. Two ball bearings 11 are movably connected to the outer wall of the connecting shell 4. The two ball bearings 11 can be lifted by the sliding rod 10 and thus leak out from the inner wall of the connecting shell 4. A stop block 12 is fixedly connected to the outer wall of the connecting shell 4. The stop block 12 is used to prevent the connecting shell 4 from excessive displacement and to protect the integrity and stability of the connection structure. A fixed component is provided on one side of the wing 1.
[0034] Reference Figures 1 to 3The fixing assembly includes a connecting block 17, a key component that provides support for subsequent connections. Bolts 18 are fixedly connected to the inner wall of the connecting block 17, providing fixing and adjustment functions to ensure a secure connection of subsequent components. A fixing shell 19 is threadedly connected to the outer wall of the bolts 18, allowing the fixing shell 19 to connect with the bolts 18, improving the tightness of the fixing assembly and preventing loosening. One side of the connecting block 17 is fixedly connected to one side of the wing 1, ensuring the stability of the entire structure and providing a support point for the wing 1. A connector 20 is rotatably connected to one end of the fixing shell 19, allowing the fixing shell 19 to rotate on the connector 20, providing flexibility to the device. The connector 20 can rotate with the fixed shell 19. A connecting block 21 is fixedly connected to one side of the connector 20. The connecting block 21 provides a connection surface, which can withstand greater force and increase the stability of the connection. A wing 16 is fixedly connected to one side of the connecting block 21. Two fixing blocks 15 are fixedly connected to one side of the wing 16. The two fixing blocks 15 provide more support for the wing 16 and increase the rigidity of the overall structure. A sliding column 13 is fixedly connected to one side of each of the two fixing blocks 15. The sliding column 13 can be connected to the inside of the slide cylinder 3, making the structural connection tighter and more stable. Four limiting strips 14 are fixedly connected to the outer wall of the sliding column 13. The four limiting strips 14 play the role of restricting the rotation of the sliding column 13.
[0035] Working principle: By inserting the sliding post 13 and the limiting strip 14 into the inner wall of the slide cylinder 3, the four limiting strips 14 can match the grooves on the inner wall of the slide cylinder 3, making the connection of the device more stable. When the limiting strip 14 and the sliding post 13 are fully inserted into the inner wall of the slide cylinder 3, pressing the button 6 will cause the connecting rod 5 to move forward inside the connecting shell 4, thereby causing the sliding plate 7 to compress the spring 8, so that the spring 8 generates elastic force, providing power for the reset of the button 6 and the connecting rod 5. When the connecting rod 5 moves forward, it can bring... The sliding rod 10 slides on the inner wall of the connecting shell 4, allowing the two balls 11 to slide into the groove of the sliding rod 10. At this time, the connecting shell 4 can be inserted into the inner wall of the sliding cylinder 3 and the sliding column 13. When the button 6 is released, the compressed spring 8 can push the sliding piece 7 forward to move the connecting rod 5. At the same time, the connecting rod 5 can move the sliding rod 10. The sliding rod 10 can squeeze the two balls 11 out of the groove, thereby locking the outer wall of the sliding cylinder 3 and connecting and fixing the first wing 1 and the second wing 16.
[0036] During the connection between Wing 1 and Wing 2, the fixed housing 19 can rotate on the connector 20. By rotating the fixed housing 19 on the bolt 18, the fixed housing 19 can be threadedly connected to the bolt 18, which further strengthens the tightness of the equipment and improves its stability, preventing the equipment from shaking during operation and making the installation and disassembly of the device more convenient.
[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A carbon fiber unmanned aerial vehicle (UAV) interwing connection structure, comprising a wing (1), characterized in that: Two fixing blocks (2) are fixedly connected to one side of the wing (1). Slide cylinders (3) are fixedly connected to the inner walls of the two fixing blocks (2). A connecting shell (4) is slidably connected to the inner wall of the slide cylinder (3). A connecting rod (5) is slidably connected to the inner wall of the connecting shell (4). A button (6) is fixedly connected to one end of the connecting rod (5). A sliding piece (7) is fixedly connected to the outer wall of the connecting rod (5). A spring (8) is sleeved on the outer wall of the connecting rod (5). A limit block (9) is fixedly connected to the inner wall of the connecting shell (4). A sliding rod (10) is fixedly connected to the other end of the connecting rod (5). Two ball bearings (11) are movably connected to the outer wall of the connecting shell (4). A stop block (12) is fixedly connected to the outer wall of the connecting shell (4). A fixing component is provided on one side of the wing (1).
2. The carbon fiber unmanned aerial vehicle (UAV) interwing connection structure according to claim 1, characterized in that: The fixing component includes a connecting block (17), the inner wall of which is fixedly connected to a bolt (18), the outer wall of which is threadedly connected to a fixing shell (19), and one side of the connecting block (17) is fixedly connected to one side of the wing (1).
3. The carbon fiber unmanned aerial vehicle (UAV) interwing connection structure according to claim 2, characterized in that: One end of the fixed shell (19) is rotatably connected to a connector (20), and a connecting block two (21) is fixedly connected to one side of the connector (20).
4. The carbon fiber unmanned aerial vehicle (UAV) interwing connection structure according to claim 3, characterized in that: One side of the connecting block 2 (21) is fixedly connected to the wing 2 (16), and one side of the wing 2 (16) is fixedly connected to two fixing blocks 2 (15).
5. The carbon fiber unmanned aerial vehicle interwing connection structure according to claim 4, characterized in that: Each of the two fixed blocks (15) is fixedly connected to a sliding column (13) on one side. The outer wall of the sliding column (13) is fixedly connected to four limiting strips (14). The outer wall of the connecting shell (4) is slidably connected to the inner wall of the sliding column (13).
6. The interwing connection structure for a carbon fiber unmanned aerial vehicle according to claim 1, characterized in that: The outer wall of the sliding piece (7) is slidably connected to the inner wall of the connecting shell (4), and the outer wall of the sliding rod (10) is slidably connected to the inner wall of the connecting shell (4).
7. The carbon fiber unmanned aerial vehicle interwing connection structure according to claim 1, characterized in that: The outer wall of the ball (11) is in contact with the outer wall of the sliding rod (10), and one end of the spring (8) is fixedly connected to one side of the sliding plate (7).
8. The carbon fiber unmanned aerial vehicle interwing connection structure according to claim 7, characterized in that: The other end of the spring (8) is fixedly connected to one side of the limiting block (9), and the outer wall of the ball (11) is in contact with the outer wall of the slide (3).