Unmanned aerial vehicle target aircraft control surface inversion structure

Abstract

The present application relates to the technical fields of unmanned aerial vehicle target drone, especially to a unmanned aerial vehicle target drone rudder surface overturning structure. Its technical scheme comprises a unmanned aerial vehicle target drone body, a driving structure, a linkage structure one, a linkage structure two and a fixing structure, the unmanned aerial vehicle target drone body comprises two horizontal tail wings on the tail sides; the horizontal tail wings are provided with elevators on the rear sides; the driving structure comprises a motor, a screw rod and a nut; the linkage structure one comprises a toothed plate one and a toothed plate two, which are oppositely distributed; the linkage structure two comprises a mounting shaft and a rectangular block. The present application realizes the modularization, quick installation and quick replacement of the elevators by using the plug-in cooperation and elastic element quick positioning, and the disassembly and maintenance are convenient. Through the driving and two-stage linkage structure, the linear motion is smoothly converted into synchronous and same-angle rotation, the pitch adjustment is accurate and the transmission is reliable, which effectively improves the attitude control stability and assembly efficiency of the target drone, and reduces the use and maintenance costs.

Description

Technical Field

[0001] This invention relates to the field of unmanned aerial vehicle (UAV) target drone technology, and in particular to a UAV target drone control surface flipping structure. Background Technology

[0002] The control surfaces of a target drone are the small, rotatable wings on the wings and tail, used to control attitude and trajectory. The ailerons are located on the outer trailing edge of the left and right wings, near the wingtips, and control roll and tilt. The elevators are located on the trailing edge of the horizontal tail and control pitch.

[0003] Existing UAV target drone control surface structures mostly employ integrated fixed or conventional hinged assembly, resulting in cumbersome disassembly and assembly, low maintenance efficiency, and the need for complete replacement of damaged control surfaces, leading to high operating costs. Traditional pitch adjustment mechanisms often use single-stage transmission or independent drive, which is prone to problems such as asynchronous rotation of the left and right elevators and large angular deviations, affecting the target drone's flight attitude stability and control precision. Furthermore, most control surface installations rely on bolt fastening, resulting in complex assembly processes and insufficient capabilities for rapid replacement and assembly in the field. When some transmission structures convert linear motion to rotational motion, transmission smoothness is poor, easily leading to jamming and excessive backlash, making it difficult to meet the high maneuverability and high reliability requirements of target drones. Therefore, those skilled in the art have provided a UAV target drone control surface flipping structure to solve the problems mentioned in the background art. Summary of the Invention

[0004] The purpose of this invention is to address the problems existing in the background art by proposing a rotating control surface structure for a UAV target drone.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a UAV target drone control surface flipping structure, comprising a UAV target drone body, a drive structure, a linkage structure one, a linkage structure two, and a fixing structure, wherein the UAV target drone body includes horizontal tail fins on both sides of the tail.

[0006] Each horizontal tail fin is equipped with a movable elevator for pitch adjustment of the UAV target drone body.

[0007] The drive structure includes a motor, a screw, and a nut. The screw is located at the output end of the motor, and the nut is threaded onto the outer wall of the screw.

[0008] The linkage structure includes a toothed plate 1 and a toothed plate 2, which are distributed opposite to each other.

[0009] The second linkage structure includes a mounting shaft and a rectangular block, with a section of the mounting shaft located inside the horizontal tail fin.

[0010] Preferably, the UAV target body has an internal cavity, and the drive structure and linkage structure are located inside the internal cavity. The internal cavity encloses the drive mechanism and linkage structure, allowing them to be effectively installed inside the UAV target body.

[0011] Preferably, the horizontal stabilizer is hollow inside, with a mounting hole at one end, through which one end of the mounting shaft passes. The hollow interior of the horizontal stabilizer reduces weight while ensuring the installation and rotation of the mounting shaft. The mounting hole ensures that one end of the mounting shaft passes through the horizontal stabilizer and connects with the elevator.

[0012] Preferably, each of the mounting shafts has a gear located inside the inner cavity at one end, and the two sets of gears mesh with the first gear plate and the second gear plate, respectively. When the first gear plate and the second gear plate mesh with the gears, they push the first gear plate and the second gear plate to move during transmission.

[0013] Preferably, a guide rail is provided on the lower inner wall of the inner cavity, and a slider is slidably mounted on the outer wall of the guide rail at the lower end of the screw. A bearing seat is provided on the lower inner wall of the inner cavity to support the motor and rotate one end of the screw. The slider slides on the outer wall of the guide rail, providing sliding support to the lower end of the nut, guiding the nut, and improving the rotational stability of one end of the screw through the bearing seat.

[0014] Preferably, a sleeve is provided on one inner wall of the first toothed plate, and a sliding rod is provided on one inner wall of the second toothed plate, which is slidably inserted into the sleeve. A collar is fitted onto the outer layer of the sleeve, and a spring is provided at one end of the second toothed plate, which is connected to the inner wall of the cavity. The elastic force makes the meshing between the second toothed plate and the gear more secure.

[0015] Preferably, one end of the collar is connected to one end of the nut, and both the first and second toothed plates have guide grooves at their lower ends. The inner wall of the cavity is provided with a track that is slidably installed inside the guide grooves. The collar slides outside the sleeve, and the nut drives the collar to move, causing the sleeve to apply a compressive force, which in turn pushes the first toothed plate to move. Through the reciprocating sliding connection between the slide rod and the sleeve, the lateral movement force of the first toothed plate is effectively transferred to the second toothed plate, achieving synchronous movement of the first and second toothed plates.

[0016] Preferably, the elevator has a rectangular slot inside, and the fixing structure inside the rectangular slot includes a pull rod and a plug rod, with the plug rod located at the end of the pull rod.

[0017] Preferably, the elevator has interconnected travel grooves and rectangular grooves inside. One end of the mounting shaft has a rectangular block that slides into the rectangular groove. The rectangular block has a slot inside, and one end of the insert rod is inserted into and passes through the slot. One end of the elevator has a positioning groove that communicates with the rectangular groove and corresponds to the travel hole. The end of the insert rod that passes through the slot is located inside the positioning groove. After the rectangular groove and the rectangular block are aligned, the rotational force of the mounting shaft is effectively applied to the elevator due to the shape constraint.

[0018] Preferably, a positioning ring is provided on the inner wall of the travel hole, the pull rod is slidably installed inside the positioning ring, a closing cover is provided at one end of the pull rod, the closing cover is embedded inside the travel hole, a pull ring is provided at one end of the closing cover, and a second spring is provided at one end of the insertion rod, which is connected to the positioning ring and sleeved on the outside of the pull rod. The elastic force of the second spring acts on the insertion rod, and the insertion rod is inserted into the slot and the positioning slot to lock the rectangular block.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0020] This invention features an elevator and horizontal tail fin that are plugged into each other and quickly fixed using elastic components. The drive structure and linkage structure one and two within the drone target body transmit linear motion layer by layer, converting it into synchronous rotational motion of the same degree. This drives the elevator to rotate, thereby adjusting the pitch angle. The plug-in elevator connection and elastic component positioning, along with the modular structure, facilitates easy replacement and assembly. The elevator and horizontal tail fin are plugged in and quickly locked in place by the elastic components, making assembly and disassembly convenient. The modular structure facilitates component replacement and rapid assembly and maintenance of the entire drone. Simultaneously, the drive structure, in conjunction with the two-stage linkage structure, smoothly converts linear motion into synchronous rotational motion of the same degree, precisely driving the elevator to rotate and achieving stable pitch angle adjustment of the target drone. The elastic components ensure precise meshing of the gear plate and gears, resulting in reliable transmission and high control precision. Attached Figure Description

[0021] Figure 1 This is a top-view three-dimensional structural diagram of the internal drive structure, linkage structure one, linkage structure two, and fixing structure of the present invention.

[0022] Figure 2 This is a top-view three-dimensional structural diagram of the present invention;

[0023] Figure 3 This is a top-section three-dimensional structural diagram of the internal cavity of the present invention;

[0024] Figure 4 This is a top-view three-dimensional structural diagram of the driving structure of the present invention;

[0025] Figure 5 This is a top-view perspective view of the toothed plate one and toothed plate two of the present invention;

[0026] Figure 6 This is a top-section three-dimensional structural diagram of the elevator of the present invention;

[0027] Figure 7 This is a top-view three-dimensional structural diagram of the mounting shaft of the present invention;

[0028] Figure 8 This is a top-view three-dimensional structural diagram of the fixed structure of the present invention.

[0029] Figure label:

[0030] 100. Unmanned aerial vehicle (UAV) target drone body; 101. Horizontal tail fin; 102. Inner cavity; 103. Assembly hole;

[0031] 200. Elevator;

[0032] 300. Drive structure; 301. Motor; 302. Screw; 303. Guide rail; 304. Bearing housing; 305. Slider; 306. Nut;

[0033] 400. Linkage Structure 1; 401. Gear Plate 1; 402. Guide Groove; 403. Track; 404. Collar; 405. Gear Plate 2; 406. Spring 1; 407. Sleeve; 408. Slide Rod;

[0034] 500. Linkage structure two; 501. Mounting shaft; 502. Gear; 503. Rectangular block; 504. Rectangular groove;

[0035] 600. Fixed structure; 601. Pull rod; 602. Positioning ring; 603. Closing cover; 604. Spring 2; 605. Insert rod; 606. Slot; 607. Stroke hole; 608. Positioning slot. Detailed Implementation

[0036] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0037] Please see Figures 1 to 8 The present invention provides four embodiments:

[0038] Example 1: A UAV target drone control surface flipping structure includes a UAV target drone body 100, a drive structure 300, a linkage structure one 400, a linkage structure two 500, and a fixed structure 600. The UAV target drone body 100 includes horizontal tail fins 101 on both sides of the tail.

[0039] Each horizontal tail 101 is equipped with an elevator 200 that can be flexibly attached to the rear side for pitch adjustment of the UAV target drone body 100.

[0040] The drive structure 300 includes a motor 301, a screw 302, and a nut 306. The screw 302 is located at the output end of the motor 301, and the nut 306 is threaded onto the outer wall of the screw 302.

[0041] The linkage structure 400 includes toothed plate 401 and toothed plate 405, which are relatively distributed.

[0042] The linkage structure 2 500 includes a mounting shaft 501 and a rectangular block 503. A section of the mounting shaft 501 is located inside the horizontal tail fin 101.

[0043] In this embodiment, the unmanned aerial vehicle (UAV) target drone control surface flipping structure is composed of the UAV target drone body 100, drive structure 300, linkage structure one 400, linkage structure two 500, and fixed structure 600. These components cooperate to complete a series of operations, including control surface installation, transmission, rotation adjustment, and fixed positioning. The UAV target drone body 100 serves as the load-bearing foundation of the overall structure. The horizontal tail fins 101 on both sides of its tail provide mounting positions for the elevator 200, ensuring its stable installation in the designated position and providing space for internal transmission components. The elevator 200 is mounted to the rear of the horizontal tail fins 101 via a movable plug-in connection, allowing it to rotate according to control requirements during use. This enables pitch adjustment of the UAV target drone body 100's flight attitude, allowing the target drone to perform head-up and head-down maneuvers, meeting the requirements for flight training and simulated target use. The drive structure 300 includes a motor 301, a screw 302, and a nut 306. The motor 301 serves as a power output component, which can operate stably after being powered on and drive the screw 302 to rotate. The screw 302 and the nut 306 form a threaded engagement, converting the rotational motion output by the motor 301 into the linear motion of the nut 306. This provides a stable and continuous power source for the subsequent rotation of the control surface, ensuring a smooth and reliable power transmission process without power interruption or unstable transmission.

[0044] Through the coordinated operation of various components, the control and assembly requirements of the UAV target drone in actual use are met. Linkage structure 1 400 consists of two relatively distributed toothed plates 401 and 405. Its main function is to receive the linear motion transmitted from the drive structure 300 and smoothly transmit the motion to subsequent components, ensuring consistent transmission action on both sides and avoiding motion deviation. Linkage structure 2 500 includes a mounting shaft 501 and a rectangular block 503. A section of the mounting shaft 501 is located inside the horizontal tail fin 101, allowing for stable installation while also enabling free rotation, converting linear motion into rotational motion and providing direct power support for the rotation of the elevator 200. The rectangular block 503 and the corresponding structure of the elevator 200 cooperate to ensure that the rotational power is completely transmitted to the elevator 200, enabling the elevator 200 to rotate in the specified direction and amplitude. The overall structure enables the elevator 200 to be quickly plugged in and assembled without complicated tools. It also enables the stable transmission of power from the inside out, converting the rotational motion of the motor 301 into the rotational motion of the elevator 200. Ultimately, it enables the precise adjustment of the pitch angle of the UAV target drone body 100, ensuring that the target drone's flight attitude is controllable and its movements are stable.

[0045] In practical applications, it delivers stable and reliable performance, while featuring a simple and easy assembly process, making it suitable for mass production and on-site maintenance. The elevator 200 employs a movable plug-in assembly, coupled with the internal fixing structure 600, ensuring secure positioning and preventing loosening or detachment during use, thus guaranteeing flight safety. The drive structure 300, working in conjunction with the two-stage linkage structure, provides a clear power transmission path and smooth motion transitions, enabling the elevator 200 to rotate smoothly without jamming or lag. Pitch adjustment response is timely, control precision is high, and the left and right elevators 200 exhibit good synchronization, enhancing the overall flight stability of the target drone. The simple structural design of each component reduces manufacturing difficulty, allowing for production without complex machining processes. During assembly, the drive structure 300 and linkage structure 1 400 are first installed inside the UAV target body 100. Then, the mounting shaft 501 of linkage structure 2 500 is inserted into the horizontal tail 101 and docked with linkage structure 1 400. Finally, the elevator 200 is inserted into the rear side of the horizontal tail 101 and fixed. The overall assembly process is simple and easy to operate, which makes it easy for staff to quickly assemble, disassemble and replace parts, effectively improving production efficiency and maintenance efficiency and reducing operating costs.

[0046] Example 2:

[0047] The linkage structure 400 includes toothed plate 401 and toothed plate 405, which are relatively distributed.

[0048] The linkage structure 2 500 includes a mounting shaft 501 and a rectangular block 503. A section of the mounting shaft 501 is located inside the horizontal tail fin 101.

[0049] The drone target body 100 has an internal cavity 102, and the drive structure 300 and linkage structure 400 are located inside the internal cavity 102.

[0050] The horizontal tail fin 101 is hollow inside, and an assembly hole 103 is opened inside one end of the horizontal tail fin 101. One end of the mounting shaft 501 passes through the assembly hole 103.

[0051] One end of the mounting shaft 501 is provided with a gear 502 located inside the inner cavity 102, and the two sets of gears 502 mesh with the toothed plate 405 and the toothed plate 405 respectively.

[0052] In this embodiment, by defining the structure of the UAV target body 100, horizontal tail fin 101, mounting shaft 501, and gear 502, the overall structure's rationality, stability, and transmission reliability are improved. The UAV target body 100 has an internal cavity 102, providing dedicated installation and movement space for internal components. This allows the drive structure 300 and linkage structure 400 to be housed and stably arranged within the cavity 102, preventing external environmental interference with the internal structure and reducing the risk of collisions and damage from exposed structures. This ensures the drive and transmission processes proceed in an orderly manner within the enclosed space. The horizontal tail fin 101 features a hollow design, reducing overall weight while maintaining structural strength, meeting the lightweight requirements of UAV target bodies. The hollow structure also provides space for the mounting shaft 501 and other components to pass through and rotate, making the internal transmission path smoother. The mounting hole 103 inside one end of the horizontal tail fin 101 provides a precise insertion position for the mounting shaft 501, constrains the radial position of the mounting shaft 501, and ensures that the mounting shaft 501 can be stably inserted in the design direction without any offset or shaking.

[0053] The internal cavity 102 layout, hollow tail fin, mounting hole 103, and gear 502 meshing with the gear plate enable multiple key functions, ensuring reliable execution of control surface flipping and pitch adjustment actions. The internal cavity 102 provides enclosure, positioning, and protection for the drive structure 300 and the linkage structure 400, concentrating power generation and primary transmission within the target drone body, thus improving structural integrity and safety. The hollow horizontal tail fin 101 combines weight reduction, containment, and guidance functions, providing stable support for the mounting shaft 501. One end of the mounting shaft 501 passes through the mounting hole 103, enabling the horizontal tail fin 101 to connect with the internal structure of the target drone body, ensuring power can be transmitted from the internal cavity 102 to the elevator 200 mounting position. The gears 502 mounted on the mounting shaft 501 are all located inside the inner cavity 102. The two sets of gears 502 mesh with the first gear plate 401 and the second gear plate 405 respectively, realizing the conversion function of linear motion to rotational motion. The linear displacement of the gear plate is accurately converted into the rotational motion of the gears 502 and the mounting shaft 501, ensuring that the left and right elevators 200 receive the corresponding rotational power, so that the elevators 200 move synchronously and avoid abnormal flight attitude due to asynchronous transmission.

[0054] The inner cavity 102 provides protection, making the drive structure 300 and linkage structure 400 operate more stably, unaffected by external impurities and airflow, ensuring high reliability over long-term operation. The hollow horizontal tail 101 effectively reduces the overall weight of the aircraft, improving the target drone's flight performance. The mounting hole 103 ensures precise positioning of the mounting shaft 501, allowing for smooth and unhindered rotation. The gear 502 meshes tightly with the gear plate, resulting in small transmission clearance and high power transmission efficiency. The elevator 200 responds promptly, and the pitch adjustment angle is accurate. The inner cavity 102 is a pre-formed structure, simplifying the manufacturing process and facilitating the integrated installation of the drive structure 300 and linkage structure 400. The hollow structure of the horizontal tail 101 and the mounting hole 103 can be machined as a single unit, ensuring good dimensional consistency. The mounting shaft 501 and the gear 502 are fixedly connected. During installation, simply pass the mounting shaft 501 through the mounting hole 103 and align the gear 502 with the corresponding gear plate. The assembly steps are clear and do not require complicated debugging, which facilitates mass production and rapid on-site assembly. At the same time, it facilitates the inspection and replacement of internal components during later maintenance, thereby improving the overall use and maintenance efficiency.

[0055] Example 3:

[0056] The drive structure 300 includes a motor 301, a screw 302, and a nut 306. The screw 302 is located at the output end of the motor 301, and the nut 306 is threaded onto the outer wall of the screw 302.

[0057] The drive structure 300 includes a motor 301, a screw 302, and a nut 306. The screw 302 is located at the output end of the motor 301, and the nut 306 is threaded onto the outer wall of the screw 302.

[0058] A guide rail 303 is provided on the lower inner wall of the inner cavity 102, and a slider 305 is provided on the lower end of the screw 302 and slidably mounted on the outer wall of the guide rail 303. A bearing seat 304 is provided on the lower inner wall of the inner cavity 102 and serves as a motor 301 to support the rotation of one end of the screw 302.

[0059] A sleeve 407 is provided on one side of the inner wall of toothed plate 401, and a slide rod 408 is provided on one side of the inner wall of toothed plate 405, which is slidably inserted into the sleeve 407. A collar 404 is sleeved on the outer layer of sleeve 407, and a spring 406 is provided at one end of toothed plate 405, which is connected to the inner wall of inner cavity 102.

[0060] One end of the collar 404 is connected to one end of the nut 306. The lower ends of the toothed plate 401 and the toothed plate 405 are both provided with guide grooves 402. The inner wall of the inner cavity 102 is provided with a track 403 that is slidably installed inside the guide grooves 402.

[0061] In this embodiment, the cooperation of components such as guide rail 303, slider 305, bearing seat 304, sleeve 407, slide rod 408, collar 404, spring 406, guide groove 402, and track 403 improves the operational stability, transmission synchronization, and smoothness of the entire control surface flipping structure. The guide rail 303, located on the lower inner wall of the inner cavity 102, forms a sliding engagement with the slider 305 at the lower end of the screw 302, providing linear motion guidance support for the nut 306 and related moving parts, preventing radial swaying or offset of the screw 302 during rotation, and ensuring that the nut 306 moves linearly only in the set direction. The bearing seat 304, located on the lower inner wall of the inner cavity 102 and positioned away from the motor 301, provides stable rotational support for the end of the screw 302, reducing frictional resistance during screw rotation, improving power transmission efficiency, and preventing bending or vibration of the screw 302 due to its long length.

[0062] A sleeve 407 on one side of toothed plate 1 401 and a sliding rod 408 on one side of toothed plate 2 405 are interlocked, maintaining a relatively stable connection between them while allowing for sliding within a certain range, thus providing a basis for their synchronous movement. A collar 404 fitted onto the outside of sleeve 407 is connected to a nut 306, smoothly transmitting the linear thrust of the nut 306 to toothed plates 1 401 and 2 405, resulting in more uniform power transmission. A spring 406 connecting one end of toothed plate 2 405 to the inner wall of cavity 102 provides continuous elastic force, ensuring that toothed plate 2 405 maintains appropriate tension during movement, improving the reliability of meshing and transmission. Guide grooves 402 at the lower ends of toothed plates 1 401 and 2 405 engage with a track 403 on the inner wall of cavity 102, further constraining the direction of movement and ensuring smooth linear movement of the toothed plates.

[0063] Through the coordinated operation of the aforementioned components, the guide rail 303 and slider 305 work together to guide the linear motion of the nut 306, restricting its trajectory and preventing transmission failure due to movement deviation. The bearing seat 304 provides end support and friction reduction for the screw 302, ensuring smooth rotation and improving the overall operating efficiency of the drive structure 300. The sleeve 407 and slide rod 408 work together to provide a retractable connection between toothed plate 401 and toothed plate 405, allowing them to move synchronously and accommodate minor position adjustments. The collar 404 ensures a smooth transfer of power from the nut 306 to the toothed plate assembly, preventing damage to components due to excessive local stress. The spring 406 provides elastic tension to toothed plate 405, maintaining good meshing between the toothed plate and gear 502 and preventing problems such as tooth slippage and excessive clearance. The guide groove 402 works in conjunction with the track 403 to provide auxiliary guidance for the toothed plate 401 and the toothed plate 405, further improving the stability of the movement and ensuring that the transmission actions on the left and right sides are highly consistent. Ultimately, this achieves the core function of synchronous and same-angle flipping of the elevator 200, providing a reliable guarantee for the stable pitch adjustment of the UAV target drone.

[0064] In practical use, it significantly improves operational efficiency while possessing a simple and feasible processing and assembly process. Regarding performance, the dual guiding effect of guide rail 303, slider 305, track 403, and guide groove 402 ensures smooth, unbiased, and jam-free operation of all linear motion components, reducing the likelihood of wear or malfunction over long-term use. Bearing seat 304 effectively reduces the rotational resistance of screw 302, resulting in a smaller load on motor 301 and more reliable operation. The cooperation of sleeve 407, slide rod 408, and spring 406 keeps the gear plate transmission constantly under tension, ensuring high meshing accuracy, small transmission clearance, and fast response and accurate angle control of the elevator 200. Guide rail 303 and track 403 can be directly fixed to the inner wall of cavity 102, simplifying processing and installation. Slider 305, sleeve 407, slide rod 408, and collar 404 are all conventional structural components with mature manufacturing processes, facilitating mass production. During assembly, first fix the guide rail 303 and track 403 in place, then install the slider 305 and toothed plate assembly, then connect the screw 302 and bearing seat 304, and finally connect the collar 404 and nut 306 and install the spring 406. The overall process is clear and the steps are simple. Assembly can be completed without complicated tooling, which facilitates on-site maintenance and component replacement, effectively improves production efficiency and durability, and better meets the needs of UAV target drones in actual training scenarios.

[0065] Example 4:

[0066] The elevator 200 has a rectangular slot 504 inside. Inside the rectangular slot 504, the fixing structure 600 includes a pull rod 601 and a plug rod 605, with the plug rod 605 located at the end of the pull rod 601.

[0067] The elevator 200 has interconnected travel grooves and rectangular grooves 504 inside. One end of the mounting shaft 501 is provided with a rectangular block 503 that slides into the rectangular groove 504. The rectangular block 503 has a slot 606 inside. One end of the insert rod 605 is inserted into and passes through the slot 606. One end of the elevator 200 has a positioning groove 608 that communicates with the rectangular groove 504 and corresponds to the travel hole 607. One end of the insert rod 605 that passes through the slot 606 is located inside the positioning groove 608.

[0068] A positioning ring 602 is provided on the inner wall of the stroke hole 607. The pull rod 601 is slidably installed inside the positioning ring 602. A closing cover 603 is provided at one end of the pull rod 601. The closing cover 603 is embedded inside the stroke hole 607. A pull ring is provided at one end of the closing cover 603. A spring 604 is provided at one end of the insertion rod 605, which is connected to the positioning ring 602 and sleeved on the outside of the pull rod 601.

[0069] In this embodiment, the elevator 200 and the mounting shaft 501 are reliably connected and quickly disassembled through the cooperation of components such as rectangular slot 504, stroke slot, rectangular block 503, pull rod 601, insertion rod 605, positioning ring 602, closing cover 603, pull ring, and spring 604. This ensures stable power transmission while improving the convenience of assembly and maintenance. The elevator 200 has interconnected stroke slots and rectangular slots 504 inside, providing installation and movement space for components such as rectangular block 503, pull rod 601, and insertion rod 605, allowing each component to be inserted into a preset position. The rectangular block 503 at one end of the mounting shaft 501 matches the rectangular groove 504 inside the elevator 200, allowing them to slide together. The limiting effect of the rectangular structure ensures that the mounting shaft 501 can smoothly drive the elevator 200 to rotate synchronously, avoiding relative sliding or power transmission failure. The fixing structure 600 includes a pull rod 601 and a plug rod 605. The plug rod 605 is located at the end of the pull rod 601 and can move linearly and extend together with the pull rod 601 to lock and unlock the rectangular block 503 and the elevator 200.

[0070] Through the coordinated operation of various components, the core functions of insertion and assembly, locking and fixing, and quick disassembly between the elevator 200 and the mounting shaft 501 are achieved, ensuring the stability and reliability of the control surface during operation and convenient and quick maintenance. The rectangular block 503 and the rectangular slot 504 cooperate to realize the transmission connection function, so that the rotational power of the mounting shaft 501 is completely and synchronously transmitted to the elevator 200, driving the elevator 200 to complete the tilting action and realize the pitch angle adjustment. The insertion rod 605 passes through the slot 606 on the rectangular block 503 and extends into the positioning slot 608 inside the elevator 200, realizing the locking and fixing function between the rectangular block 503 and the elevator 200, preventing the rectangular block 503 from coming out of the rectangular slot 504 during use and ensuring a firm connection. The positioning ring 602 on the inner wall of the stroke hole 607 is used to guide and support the pull rod 601, so that the pull rod 601 can only extend and retract in a straight line without deviation or jamming. The closing cover 603 at one end of the pull rod 601 is embedded in the stroke groove, which plays a role in sealing and protection, preventing external impurities from entering the structure and affecting the operation. The pull ring on the closing cover 603 provides the operator with a force application position, making it easy to pull the pull rod 601 to complete the unlocking operation. The spring 604 connecting the insertion rod 605 and the positioning ring 602 can continuously provide elastic thrust to the insertion rod 605, so that the insertion rod 605 always remains in the state of being inserted into the slot 606 and the positioning groove 608 when it is not pulled by external force, realizing the automatic locking function and improving the stability of use.

[0071] The rectangular block 503 and rectangular slot 504 fit tightly together, ensuring seamless and slip-free transmission, and guaranteeing precise and reliable elevator 200 tilting. The insert rod 605 and spring 604 work together to achieve automatic locking, maintaining a stable lock that will not loosen during flight vibrations, ensuring high safety. Pulling the pull ring disengages the insert rod 605 from the slot 606, enabling quick unlocking and direct removal of the elevator 200. The disassembly and assembly process is simple and quick, requiring no special tools. The rectangular slot 504, stroke slot, and positioning slot 608 inside the elevator 200 can all be integrally machined, ensuring dimensional accuracy and simplifying the manufacturing process. The positioning ring 602, pull rod 601, insert rod 605, and spring 604 are all conventional structural components, making manufacturing convenient and cost-effective. During assembly, first fix the positioning ring 602 to the inner wall of the stroke hole 607, then install the pull rod 601, the insertion rod 605, and the second spring 604 into the stroke groove in sequence, cover with the closing cover 603, and then insert the rectangular block 503 on the mounting shaft 501 into the rectangular groove 504 of the elevator 200. After releasing the pull rod 601, the second spring 604 pushes the insertion rod 605 to automatically insert into the slot 606 and the positioning groove 608 to complete the locking. The overall assembly process is intuitive and easy to operate, which can greatly improve assembly efficiency, facilitate the rapid replacement of damaged parts in the later stage, reduce maintenance difficulty and usage costs, and improve the overall efficiency and reliability of the UAV target drone. The above specific embodiments are only a few preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

[0072] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A UAV target drone control surface flipping structure, comprising a UAV target drone body (100), a drive structure (300), a first linkage structure (400), a second linkage structure (500), and a fixed structure (600), characterized in that: The unmanned aerial vehicle target body (100) includes horizontal tail fins (101) on both sides of the tail. Each horizontal tail fin (101) is equipped with an elevator (200) that can be movably connected to the rear side for pitch adjustment of the UAV target drone body (100). The drive structure (300) includes a motor (301), a screw (302), and a nut (306). The screw (302) is located at the output end of the motor (301), and the nut (306) is threaded onto the outer wall of the screw (302). The linkage structure one (400) includes toothed plate one (401) and toothed plate two (405), which are relatively distributed; The second linkage structure (500) includes a mounting shaft (501) and a rectangular block (503), with a section of the mounting shaft (501) located inside the horizontal tail fin (101).

2. The unmanned aerial vehicle target drone control surface flipping structure according to claim 1, characterized in that: The unmanned aerial vehicle target body (100) has an inner cavity (102) inside, and the drive structure (300) and linkage structure 1 (400) are located inside the inner cavity (102).

3. The unmanned aerial vehicle target drone control surface flipping structure according to claim 1, characterized in that: The horizontal tail fin (101) is hollow inside, and an assembly hole (103) is provided inside one end of the horizontal tail fin (101). One end of the mounting shaft (501) passes through the assembly hole (103).

4. The unmanned aerial vehicle target drone control surface flipping structure according to claim 2, characterized in that: One end of each mounting shaft (501) is provided with a gear (502) located inside the inner cavity (102), and the two sets of gears (502) mesh with the toothed plate and the toothed plate two (405) respectively.

5. The unmanned aerial vehicle target drone control surface flipping structure according to claim 2, characterized in that: The lower inner wall of the inner cavity (102) is provided with a guide rail (303), the lower end of the screw (302) is provided with a slider (305) which is slidably installed on the outer wall of the guide rail (303), and the lower inner wall of the inner cavity (102) is provided with a bearing seat (304) which is based on the motor (301) and provides rotational support for one end of the screw (302).

6. The unmanned aerial vehicle target drone control surface flipping structure according to claim 1, characterized in that: A sleeve (407) is provided on one side of the inner wall of the toothed plate (401), and a sliding rod (408) is provided on one side of the inner wall of the toothed plate (405) and is slidably inserted into the sleeve (407). A collar (404) is sleeved on the outer layer of the sleeve (407), and a spring (406) is provided at one end of the toothed plate (405) and connected to the inner wall of the inner cavity (102).

7. The unmanned aerial vehicle target drone control surface flipping structure according to claim 6, characterized in that: One end of the collar (404) is connected to one end of the nut (306). The lower ends of the toothed plate one (401) and toothed plate two (405) are provided with guide grooves (402). The inner wall of the inner cavity (102) is provided with a track (403) that is slidably installed inside the guide groove (402).

8. The unmanned aerial vehicle target drone control surface flipping structure according to claim 1, characterized in that: The elevator (200) has a rectangular slot (504) inside. Inside the rectangular slot (504), the fixing structure (600) includes a pull rod (601) and a plug rod (605). The plug rod (605) is located at the end of the pull rod (601).

9. The unmanned aerial vehicle target drone control surface flipping structure according to claim 8, characterized in that: The elevator (200) has interconnected travel grooves and rectangular grooves (504) inside. One end of the mounting shaft (501) is provided with a rectangular block (503) that slides into the rectangular groove (504). The rectangular block (503) has a slot (606) inside. One end of the insert rod (605) is inserted into and passes through the slot (606). One end of the elevator (200) has a positioning groove (608) that communicates with the rectangular groove (504) and corresponds to the travel hole (607). One end of the insert rod (605) that passes through the slot (606) is located inside the positioning groove (608).

10. The unmanned aerial vehicle target drone control surface flipping structure according to claim 9, characterized in that: A positioning ring (602) is provided on the inner wall of the stroke hole (607). The pull rod (601) is slidably installed inside the positioning ring (602). A closing cover (603) is provided at one end of the pull rod (601). The closing cover (603) is embedded inside the stroke hole (607). A pull ring is provided at one end of the closing cover (603). A spring (604) is provided at one end of the insertion rod (605) and is connected to the positioning ring (602) and sleeved on the outside of the pull rod (601).

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