An unmanned aerial vehicle with wing box positioning structure

Abstract

The utility model relates to unmanned aerial vehicle wing box technical field, and disclose a kind of unmanned aerial vehicle with wing box positioning structure, by setting chamfer at the end of I-shaped block of arm mounting joint, and the chamfer inclination angle and wing box seat slot inner trapezoidal block inclination angle are adapted, only need to be directly pushed into by aligning slot when installing, trapezoidal block can be pushed to retract at chamfer, after I-shaped block is in place, trapezoidal block is automatically stretched out and clamps I-shaped block under the action of compression spring, without repeatedly calibrating arm position, also without the aid of tool auxiliary positioning, compared with the operation that traditional bolt connection needs to align bolt hole, step-by-step fastening, not only let arm and wing box seat installation positioning more accurate, avoid uneven stress of arm due to installation deviation, also greatly simplify installation process, significantly improve the arm assembly efficiency when unmanned aerial vehicle production assembly and outdoor operation, help unmanned aerial vehicle quickly put into operation.

Description

Technical Field

[0001] This utility model relates to the field of drone wing box technology, and in particular to a drone with a wing box positioning structure. Background Technology

[0002] In the civilian and industrial drone system, the drone, as an unmanned flight platform integrating flight control, power drive, and mission payload, achieves stable flight by coordinating power components such as motors and propellers through the flight control system, while completing specific tasks by relying on onboard functional modules. The drone's arms, as key supporting components connecting the fuselage and propellers, are mainly fixed through wing box structures that connect to the fuselage, providing a stable mounting base for the propellers and transmitting the power and torque generated by the motors. They typically work in conjunction with the drone's power system and flight control system, and are a core component ensuring the drone's normal takeoff, flight, and operation.

[0003] In the production, assembly, and subsequent maintenance of drones, the installation and disassembly of the arms and wing boxes are crucial steps to ensure the overall functionality of the drone. Currently, the industry standard for connecting the arms and wing boxes is to fix the arms to the mounting brackets of the wing boxes with bolts. Some simpler models use only clip-on connections, but tools are needed to pry open the clips to complete the disassembly.

[0004] First, as a high-frequency maintenance component, the drone arms, whether assembled during production or replaced during maintenance, must be completed in outdoor work environments. The types and quantities of tools that workers can carry are limited, and the complex disassembly and assembly structure increases reliance on tools. Second, whether it is tightening bolts one by one during installation, loosening bolts one by one during disassembly, or prying apart clips, all require workers to operate step by step. For multi-rotor drones, the disassembly and assembly process of multiple arms is cumbersome and time-consuming, which seriously affects the deployment efficiency of drones and makes it difficult to meet the needs of efficient disassembly and assembly of equipment in emergency rescue and agricultural plant protection. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a drone with a wing box positioning structure.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a drone with a wing box positioning structure, including a drone body, four wing box seats are fixedly installed on the side of the drone body, each wing box seat has a slot on its inner side, and each of the four wing box seats has an arm on its outer side, and each arm has an installation connector fixedly installed on one side end. Each end of the mounting joint is fixedly equipped with an I-shaped locking block, which is snapped into the inside of the slot. The inner wall of the slot has grooves on both sides, and trapezoidal blocks are slidably installed inside the grooves. Two compression springs are fixedly installed on the inner end of each trapezoidal block, and the other ends of the two compression springs are fixedly installed inside the grooves. The mounting joint has a push-back cavity inside, and movable blocks are provided on both sides of the push-back cavity. The two movable blocks have inclined surfaces on the side of the two movable blocks near the trapezoidal blocks, and the movable blocks fit into the inclined parts of the trapezoidal blocks through the inclined surfaces.

[0007] Preferably, a fixing plate is fixedly installed on the side of the movable block away from the inclined plane, the fixing plate is disposed inside the reverse thrust cavity, and push plates are fixedly installed on both sides of the fixing plate.

[0008] Preferably, both push plates extend to the outside of the mounting joint, and a compression spring is fixedly installed in the middle of the fixing plate, with the other end of the compression spring fixedly installed at the inner end of the reverse thrust cavity.

[0009] Preferably, guide rails are provided on both sides of the I-shaped card block, and slide bars are fixedly installed on the inner sides of the two movable blocks. The movable blocks are slidably installed inside the guide rails via the slide bars.

[0010] Preferably, the inner sides of both ends of the I-shaped card block are provided with matching grooves, and the inclined surface of the end of the movable block is adapted to the interior of the matching groove.

[0011] Preferably, when the movable block moves along the guide rail toward the mating groove, it causes the movable block to press the trapezoidal block toward the inside of the groove and press the compression spring.

[0012] Preferably, the end of the I-shaped card block away from the mounting joint is chamfered, and the inclination angle of the chamfer is adapted to the inclination angle of the trapezoidal block.

[0013] Preferably, a shooting module is installed in the middle of the drone body, and a flight module is fixedly installed on the side of the arm away from the mounting joint.

[0014] In summary, this utility model has the following beneficial effects: 1. This utility model features a chamfered end on the I-shaped locking block of the arm mounting joint, with the chamfered angle matching the angle of the trapezoidal block inside the wing box slot. During installation, simply align the I-shaped locking block with the slot and push it in. The chamfered end will then push the trapezoidal block to retract. Once the I-shaped locking block is in place, the trapezoidal block will automatically extend and lock the I-shaped locking block under the action of a compression spring. This eliminates the need for repeated calibration of the arm position and the need for tools to assist in positioning. Compared to traditional bolt connections that require aligning bolt holes and tightening in stages, this design not only makes the installation and positioning of the arm and wing box more precise, avoiding uneven force on the arm due to installation deviations, but also significantly simplifies the installation process, greatly improves the arm assembly efficiency during drone production and outdoor operations, and helps drones to be put into operation quickly. 2. This utility model features a movable block with an inclined surface inside the mounting joint. The movable block is connected to the outer push plate, and the inner side of the I-shaped locking block has a matching groove. During disassembly, pushing the push plate will move the movable block. The inclined surface of the movable block compresses the trapezoidal block to shrink. When the inclined surface is embedded in the matching groove, the trapezoidal block shrinks completely, and the I-shaped locking block can be directly pulled out. The unlocking structure can be completed with simple pushing, solving the problem of traditional disassembly relying on special tools and complicated steps. It significantly shortens the disassembly time of the arm and is especially suitable for the rapid maintenance and replacement of multiple arms of multi-rotor drones, reducing the downtime of drones due to maintenance, ensuring continuous operation in emergency rescue, agricultural plant protection and other scenarios, while reducing the difficulty of outdoor maintenance operations and improving the convenience of maintenance. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the overall mid-section top view of the present invention; Figure 3 This utility model Figure 2 Enlarged structural diagram at point A in the middle; Figure 4 This is a schematic diagram of the separation structure of the mounting connector and the wing box seat of this utility model; Figure 5 This is a schematic diagram of the internal structure of the mounting connector of this utility model; Figure 6 A schematic diagram of the internal structure of the fitting groove embedded in the inclined surface of the movable block of this utility model.

[0016] Figure label: 1. Drone body; 101. Camera module; 102. Wing box mount; 103. Slot; 2. Arm; 201. Lifting Module; 3. Install the connector; 4. Groove; 401. Trapezoidal block; 402. Compression spring one; 5. I-shaped clamp; 501. Chamfered corner; 6. Reverse thrust cavity; 7. Movable block; 701. Fixed plate; 702. Push plate; 703. Compression spring two; 704. Inclined surface; 8. Guide rail; 801. Slide bar; 9. Fitting groove. Detailed Implementation

[0017] To make the technical means, creative features, and achieved objectives and effects of this utility model easier to understand, the present utility model is further described below with reference to specific embodiments and accompanying drawings. However, the following embodiments are merely preferred embodiments of this utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments described in the implementation plan without creative effort are all within the protection scope of this utility model.

[0018] The specific embodiments of this utility model are described below with reference to the accompanying drawings: Example: Reference Figures 1-6 A drone with a wing box positioning structure includes a drone body 1. Four wing box seats 102 are fixedly installed on the side of the drone body 1. Slots 103 are opened on the inner side of each wing box seat 102. An arm 2 is provided on the outer side of each of the four wing box seats 102. An installation connector 3 is fixedly installed on one side end of each arm 2. The end of the mounting connector 3 is fixedly equipped with an I-shaped locking block 5, which is snapped into the inside of the slot 103. The inner wall of the slot 103 has grooves 4 on both sides. Trapezoidal blocks 401 are slidably installed inside the grooves 4. Two compression springs 402 are fixedly installed on the inner end of the trapezoidal blocks 401. The other ends of the two compression springs 402 are fixedly installed inside the grooves 4. The mounting connector 3 has a push-back cavity 6 inside. Movable blocks 7 are provided on both sides of the push-back cavity 6. The two movable blocks 7 have inclined surfaces 704 on the side end near the trapezoidal blocks 401. The movable blocks 7 fit with the inclined part of the trapezoidal blocks 401 through the inclined surfaces 704.

[0019] Specifically: In actual use, the slot 103 opened on the inner side of the wing box base 102 is adapted to the I-shaped locking block 5 at the end of the mounting connector 3. The initial connection between the arm 2 and the UAV body 1 is directly achieved through the locking and engagement. The mounting connector 3 serves as a transitional connection component between the arm 2 and the wing box base 102. One end is fixed to the arm 2, and the other end is equipped with the I-shaped locking block 5. It undertakes the role of force transmission of the arm 2, ensuring that the power and torque generated by the arm 2 during operation can be stably transmitted to the wing box base 102, and ensuring the overall structural force balance.

[0020] The compression spring 402 fixed to the inner end of the trapezoidal block 401 provides elastic power for the extension and retraction of the trapezoidal block 401. When the I-shaped card block 5 is inserted into the slot 103, the trapezoidal block 401 is squeezed and retracts into the groove 4 to avoid the I-shaped card block 5. After the I-shaped card block 5 is fully inserted, the compression spring 402 releases the restoring force and pushes the trapezoidal block 401 outward to closely abut against the side of the I-shaped card block 5, thereby firmly limiting the I-shaped card block 5 in the slot 103, preventing the arm 2 from loosening or shifting after installation, and ensuring connection stability.

[0021] The reverse thrust cavity 6 inside the mounting connector 3 provides installation and movement space for the movable block 7, ensuring that the movable block 7 can move stably within the cavity; the inclined surface 704 at the end of the movable block 7 matches the inclined part of the trapezoidal block 401. When the movable block 7 moves towards the trapezoidal block 401, the inclined surface 704 can generate a uniform squeezing force on the trapezoidal block 401, pushing the trapezoidal block 401 to retract into the groove 4, thereby releasing the limiting constraint on the I-shaped card block 5, providing unlocking conditions for the I-shaped card block 5 to be pulled out of the slot 103, and realizing the convenient disassembly of the arm 2.

[0022] By engaging the I-shaped locking block 5 with the slot 103, elastically limiting the trapezoidal block 401 with the compression spring 402, and engaging the movable block 7 with the inclined surface 704 of the trapezoidal block 401 to unlock, the entire process can be completed quickly by disassembling and assembling the arm 2 and the wing box seat 102 without the need for special tools such as bolts and wrenches. This simplifies the operation process and ensures the stability of the connection, effectively meeting the maintenance and replacement needs of the arm 2 in the outdoor operation scenario of drones.

[0023] A fixing plate 701 is fixedly installed on the side of the movable block 7 away from the inclined plane 704. The fixing plate 701 is located inside the reverse thrust cavity 6. Push plates 702 are fixedly installed on both sides of the fixing plate 701. Both push plates 702 extend to the outside of the mounting joint 3. The push plates 702 fixed on both sides of the fixing plate 701 extend to the outside of the mounting joint 3, providing convenient force application points for operators. Without the need for special tools, the fixing plate 701 and the movable blocks 7 on both sides can be moved synchronously by simply pushing the push plates 702 manually. The operation threshold has been lowered. A compression spring 703 is fixedly installed in the middle of the fixed plate 701. The other end of the compression spring 703 is fixedly installed in the inner end of the push cavity 6. When the push plate 702 pushes the fixed plate 701 to move the movable block 7, the compression spring 703 will undergo elastic deformation due to the pull of the fixed plate 701 and store the reset potential energy. When the disassembly operation is completed and the staff releases the push plate 702, the compression spring 703 releases the reset potential energy and pulls the fixed plate 701 and the movable block 7 back to the initial position. The I-shaped block 5 has guide rails 8 on both sides, and slide bars 801 are fixedly installed on the inner side of the two movable blocks 7. The movable blocks 7 are slidably installed in the guide rails 8 via the slide bars 801. The inner side of both ends of the I-shaped block 5 has a mating groove 9. The inclined surface 704 at the end of the movable block 7 is adapted to the inside of the mating groove 9. When the movable block 7 moves along the guide rail 8 to the mating groove 9, it causes the movable block 7 to press the trapezoidal block 401 to move into the groove 4 and press the compression spring 402. Specifically: In actual use, the sliding cooperation between the slider 801 and the guide rail 8 restricts the movement direction of the movable block 7, preventing the movable block 7 from deviating or getting stuck during movement, and ensuring that the movable block 7 always moves stably along the preset trajectory. This lays the foundation for the subsequent precise cooperation with the trapezoidal block 401 and the mating groove 9. With the setting of the mating groove 9, when the movable block 7 moves along the guide rail 8 towards the mating groove 9, the inclined surface 704 can gradually embed into the mating groove 9. Through the limiting effect of the mating groove 9 on the movable block 7, it is ensured that the movable block 7 stops after moving to the preset position, avoiding excessive movement that could cause structural damage.

[0024] When the movable block 7 moves along the guide rail 8 towards the mating groove 9, the inclined surface 704 at its end contacts the trapezoidal block 401 and generates a squeezing force, pushing the trapezoidal block 401 to move inward into the groove 4. At the same time, the trapezoidal block 401 squeezes the compression spring 402 on its inner side, causing the compression spring 402 to undergo elastic deformation. The mating groove 9 limits the movable block 7, ensuring that the trapezoidal block 401 can be squeezed to a fully contracted state, thereby releasing the limit on the I-shaped locking block 5, providing sufficient space for the I-shaped locking block 5 to be pulled out, realizing the convenient disassembly of the arm 2. At the same time, the deformation of the compression spring 402 also prepares for the subsequent reset of the trapezoidal block 401, facilitating the next installation operation.

[0025] The end of the I-shaped card block 5 away from the mounting joint 3 is chamfered 501. The inclination angle of the chamfer 501 is adapted to the inclination angle of the trapezoidal block 401. During the installation of the arm 2, when the I-shaped card block 5 is pushed into the slot 103, the chamfer 501 can first contact the inclined part of the trapezoidal block 401. Through the cooperation of the inclined surface 704, the pushing force is converted into a force that causes the trapezoidal block 401 to contract inward into the groove 4, avoiding direct rigid collision between the end of the I-shaped card block 5 and the trapezoidal block 401, which would cause structural damage. At the same time, it guides the I-shaped card block 5 to smoothly insert into the slot 103. The initial positioning can be completed without repeatedly adjusting the angle of the I-shaped card block 5, which greatly simplifies the installation operation steps and improves the assembly efficiency of the arm 2. The shooting module 101 is installed in the middle of the UAV body 1, and the flight module 201 is fixedly installed on the side of the arm 2 away from the mounting joint 3.

[0026] It should be noted that the shooting module 101 consists of a lens assembly, an image sensor, a data transmission unit, and an image stabilization unit, while the ascent module 201 consists of a motor, a propeller, a motor controller, and a heat dissipation assembly. The shooting module 101 and the ascent module 201 are mature technologies in the existing UAV field, so they will not be described in detail.

[0027] The working principle of this utility model is as follows: In specific use, when installing the arm 2 and the drone body 1, the operator only needs to hold the arm 2 and align the I-shaped locking block 5 at the end of the arm 2 with the slot 103 on the side wing box seat 102 of the drone body 1. Then, push the mounting connector 3 into the slot 103. During this process, the chamfer 501 on the side of the I-shaped locking block 5 away from the mounting connector 3 will contact the inclined part of the trapezoidal block 401 in the groove 4 of the inner wall of the slot 103. With continuous pushing, the chamfer 501 will exert a squeezing force on the trapezoidal block 401, causing the trapezoidal block 401 to overcome the elastic force of the compression spring 402 in the groove 4 and slide and retract into the groove 4 until the I-shaped locking block 5 is fully inserted into the slot 103. When the I-shaped locking block 5 reaches the preset installation position, the squeezing force on the trapezoidal block 401 disappears. Under the action of its own elastic restoring force, the compression spring 402 pushes the trapezoidal block 401 to slide out of the groove 4. At this time, the trapezoidal block 401 will abut against the side of the I-shaped locking block 5, thereby firmly limiting the I-shaped locking block 5 in the slot 103, completing the rapid installation of the arm 2 and the wing box seat 102.

[0028] When the arm 2 needs to be disassembled for maintenance, the operator pushes the push plate 702 extending from the outside of the mounting joint 3 towards the inside of the mounting joint 3. The push plate 702 will drive the fixed plate 701 connected to it to move within the reverse thrust cavity 6 inside the mounting joint 3. The fixed plate 701 simultaneously drives the movable blocks 7 on both sides to move, and the movable blocks 7 are kept stable sliding along the guide rails 8 on both sides of the I-shaped clamp block 5 by the inner slide bar 801. As the movable block 7 moves closer to the trapezoidal block 401, the inclined surface 704 at the end of the movable block 7 will come into contact with the inclined part of the trapezoidal block 401 and generate pressure, causing the trapezoidal block 401 to retract into the groove 4 again, while the compression spring 402 is further compressed. When the movable block 7 continues to move until its inclined surface 704 is fully embedded in the matching groove 9 inside the I-shaped locking block 5, the trapezoidal block 401 will completely retract into the groove 4. At this time, the limiting effect of the trapezoidal block 401 on the I-shaped locking block 5 is released. The operator only needs to pull the arm 2 outward to pull the I-shaped locking block 5 out of the slot 103, thus completing the disassembly of the arm 2. After disassembly, the push plate 702 is released, and the compression spring 703 in the back thrust cavity 6 will pull the fixing plate 701 back to its original position under the action of elastic restoring force. The fixing plate 701 simultaneously drives the movable block 7 to return to its initial position, preparing for the next installation operation.

[0029] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A drone with a wing-box positioning structure, comprising a drone body (1), characterized in that: The UAV body (1) has four wing box seats (102) fixedly installed on its side circumferentially. Each wing box seat (102) has a slot (103) on its inner side. Each of the four wing box seats (102) has an arm (2) on its outer side. Each arm (2) has an installation connector (3) fixedly installed on one side end. The end of the mounting joint (3) is fixedly installed with an I-shaped locking block (5), which is connected to the inside of the slot (103). The inner wall of the slot (103) is provided with grooves (4) on both sides. Trapezoidal blocks (401) are slidably installed inside the grooves (4). Two compression springs (402) are fixedly installed on the inner end of the trapezoidal blocks (401). The other end of the two compression springs (402) is fixedly installed inside the groove (4). The mounting joint (3) is provided with a push-back cavity (6). Movable blocks (7) are provided on both sides of the push-back cavity (6). The two movable blocks (7) are provided with inclined surfaces (704) on the side of the trapezoidal blocks (401). The movable blocks (7) are matched with the inclined part of the trapezoidal blocks (401) through the inclined surfaces (704).

2. The UAV with a wing box positioning structure according to claim 1, characterized in that: A fixing plate (701) is fixedly installed on the side of the movable block (7) away from the inclined plane (704). The fixing plate (701) is located inside the reverse thrust cavity (6). Push plates (702) are fixedly installed on both sides of the fixing plate (701).

3. The UAV with a wing box positioning structure according to claim 2, characterized in that: Both push plates (702) extend to the outside of the mounting joint (3), and a compression spring (703) is fixedly installed in the middle of the fixing plate (701). The other end of the compression spring (703) is fixedly installed in the inner end of the reverse thrust cavity (6).

4. The UAV with a wing box positioning structure according to claim 1, characterized in that: The I-shaped card block (5) has guide rails (8) on both sides, and the inner sides of the two movable blocks (7) are fixedly installed with slide bars (801). The movable blocks (7) are slidably installed inside the guide rails (8) through the slide bars (801).

5. A UAV with a wing box positioning structure according to claim 4, characterized in that: The inner sides of both ends of the I-shaped card block (5) are provided with fitting grooves (9), and the inclined surface (704) at the end of the movable block (7) is adapted to the interior of the fitting groove (9).

6. The UAV with a wing box positioning structure according to claim 5, characterized in that: When the movable block (7) moves along the guide rail (8) toward the fitting groove (9), the movable block (7) squeezes the trapezoidal block (401) toward the inside of the groove (4) and squeezes the compression spring (402).

7. The UAV with a wing box positioning structure according to claim 1, characterized in that: The I-shaped card block (5) has a chamfer (501) on the side away from the mounting joint (3), and the inclination angle of the chamfer (501) is adapted to the inclination angle of the trapezoidal block (401).

8. The UAV with a wing box positioning structure according to claim 1, characterized in that: A shooting module (101) is installed in the middle of the drone body (1), and a flight module (201) is fixedly installed on the side of the arm (2) away from the mounting joint (3).

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