Foldable wing of unmanned aerial vehicle

By designing a foldable wing connector, connecting arm, and folding mechanism, the problem of drone wings being difficult to fold was solved, achieving convenient storage and reduced damage.

CN223778581UActive Publication Date: 2026-01-09SHANGHAI UNIV OF MEDICINE & HEALTH SCI
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Patent Information

Application Number
CN202423296113.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-01-09
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

The wings of existing aerial drones are not easy to fold, making them inconvenient to store and easy to break due to collisions, thus affecting their functionality.

Method used

A foldable wing was designed, comprising a connecting seat, a connecting arm, and a folding mechanism. The folding and fixing of the wing are achieved through a combination of a pivot, a slot, a support block, a insert plate, an elastic element, and a stop block.

Benefits of technology

It enables convenient folding and securing of drone wings, improving storage convenience and reducing the risk of wing damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a foldable wing of an unmanned aerial vehicle, which relates to the technical field of wings of unmanned aerial vehicles and comprises a connecting seat, a connecting arm and a folding mechanism, the connecting bases are arranged on the two sides of an unmanned aerial vehicle body, and one ends of the connecting arms are rotationally connected with the connecting bases. A folding mechanism is arranged between the connecting base and one end of the connecting arm and used for limiting the included angle between the connecting arm and the unmanned aerial vehicle body. Rotating blades are arranged at the other ends of the connecting arms. According to the foldable wing of the unmanned aerial vehicle, after the unmanned aerial vehicle is used, the connecting arms can be driven to rotate through the rotating shafts, so that the wing can be folded, and the inserting plates can be inserted into the inserting grooves under the action of the springs to position the rotating shafts by loosening the stop blocks; the wings can be effectively fixed before and after being folded; through the arrangement, the unmanned aerial vehicle is more convenient to store and store.
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Description

Technical Field

[0001] This utility model relates to the field of unmanned aerial vehicle (UAV) wing technology, and in particular to a foldable wing for a UAV. Background Technology

[0002] With advancements in camera technology and rotary-wing drone technology, the surveying of geographical features has gradually evolved to utilize aerial drones instead of manual labor. As existing technology for aerial drones, patent CN220662860U discloses a geographical feature aerial drone, belonging to the field of aerial drones. It includes a drone body with a set of bracket connecting components fixed below it, and a support frame detachably mounted via these components. The support frame provides overall support for the drone body. This utility model's geographical feature aerial drone offers advantages such as easy replacement of support frame components and convenient use. Through the coordinated movement of the various parts within the bracket connecting components, disassembly of the support frame is achieved simply by rotating the adjustment handle in the opposite direction, separating the two slider seats. This allows for rapid disassembly of the support frame. Compared to the welded fixing of the drone support frame in the cited document, this clamp-type detachable separation allows for quick replacement and maintenance of the support frame, offering convenience and high efficiency.

[0003] However, existing aerial photography drones are inconvenient to store and store because their wings are not easy to fold, and they are also prone to breakage due to accidental collisions. As a result, the functionality of drones still needs to be improved. Therefore, a foldable wing for drones is proposed. Summary of the Invention

[0004] The purpose of this invention is to provide a foldable wing for a drone to solve the problems existing in the prior art, so as to facilitate the storage and retrieval of the drone.

[0005] To achieve the above objectives, this utility model provides the following solution:

[0006] This utility model provides a foldable wing for a drone, including a connecting seat, a connecting arm, and a folding mechanism; the connecting seat is used to be disposed on both sides of the drone fuselage, and one end of the connecting arm is rotatably connected to the connecting seat; the folding mechanism is disposed between the connecting seat and one end of the connecting arm, and the folding mechanism is used to define the included angle between the connecting arm and the drone fuselage; the other end of the connecting arm is provided with a rotating blade.

[0007] Optionally, the connecting seat and the connecting arm are connected by a pivot.

[0008] Optionally, one end of the rotating shaft is provided with a slot; the folding mechanism includes a support block, an insert plate, a first elastic element, and a stop block; one end of the support block is connected to the connecting seat, and the support block is located on the end face of the rotating shaft with the slot; one end of the insert plate is connected to one side of the stop block, and the other end of the insert plate passes through the support block and matches the slot; the first elastic element is provided between the support block and the stop block.

[0009] Optionally, the first elastic element is a spring.

[0010] Optionally, a pull lug is provided on the side of the stop block away from the support block.

[0011] Optionally, the connecting base includes a movable base and a fixed base; the movable base is disposed on both sides of one end of the drone body, and the fixed base is disposed on both sides of the other end of the drone body; an adjustment component is provided between the movable base and the drone body, the adjustment component being used to adjust the relative height between the movable base and the fixed base when the connecting arm is folded or unfolded.

[0012] Optionally, the adjustment component includes a plug, a second elastic element, and a protrusion; a first slide groove is provided on the drone body, and the movable seat is slidably disposed within the first slide groove; two protrusions are provided on one side of the drone body located on the first slide groove, one of the protrusions having a height matching the height of the fixed seat, and the other protrusion having a height higher or lower than the height of the fixed seat; one end of the second elastic element is connected to the protrusion, and the other end of the second elastic element is connected to the plug; a groove is provided on the side of the movable seat facing the protrusion, and the plug matches the groove.

[0013] Optionally, the second elastic element is a spring sheet.

[0014] Optionally, the drone body is provided with a second sliding groove, which is located between the protrusion and the first sliding groove, and the insert is slidably disposed in the second sliding groove.

[0015] Optionally, a motor is provided at the other end of the connecting arm, and the main shaft of the motor is connected to the blade drive.

[0016] The present invention achieves the following technical advantages over the prior art:

[0017] The foldable wing of this drone allows the connecting arm to rotate via a pivot after use, thus enabling the wing to fold. Furthermore, by releasing the stop block, the insert plate can be inserted into the slot under the action of a spring to position the pivot, thereby effectively fixing the wing before and after folding. These features make it more convenient to store and fold the drone. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a structural diagram of the present invention;

[0020] Figure 2 This is an enlarged schematic diagram of area A in the structural diagram of this utility model;

[0021] Figure 3 This is a structural diagram of the folding mechanism in this utility model;

[0022] Figure 4 This is an enlarged schematic diagram of area B of the folding mechanism structure in this utility model.

[0023] Reference numerals: 1. UAV fuselage; 2. Folding mechanism; 20. Movable seat; 21. Fixed seat; 22. Rotating shaft; 23. Slot; 24. Support block; 25. Insert plate; 26. Spring; 27. Stop block; 28. Connecting arm; 29. ​​Motor; 201. Main shaft; 202. Rotating blade; 203. Pull lug; 204. First slide groove; 205. Groove; 206. Insert block; 207. Spring piece; 208. Protrusion; 209. Second slide groove. Detailed Implementation

[0024] 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.

[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0026] Example 1:

[0027] like Figures 1 to 4 As shown, this embodiment provides a foldable wing for a drone, including a connecting seat, a connecting arm 28, and a folding mechanism 2; the connecting seat is used to be disposed on both sides of the drone fuselage 1, and one end of the connecting arm 28 is rotatably connected to the connecting seat; a folding mechanism 2 is provided between the connecting seat and one end of the connecting arm 28, and the folding mechanism 2 is used to limit the angle between the connecting arm 28 and the drone fuselage 1; a rotating blade 202 is provided at the other end of the connecting arm 28.

[0028] In this specific embodiment, the connecting seat and the connecting arm 28 are connected by a rotating shaft 22.

[0029] One end of the rotating shaft 22 is provided with a slot 23; the folding mechanism 2 includes a support block 24, a insert plate 25, a spring 26 and a stop block 27; one end of the support block 24 is connected to the connecting seat, and the support block 24 is located on the end face of the rotating shaft 22 with the slot 23; one end of the insert plate 25 is connected to one side of the stop block 27, and the other end of the insert plate 25 passes through the support block 24 and matches the slot 23; a spring 26 is provided between the support block 24 and the stop block 27.

[0030] To facilitate pulling the insert plate 25 via the stop block 27, a pull lug 203 is provided on the side of the stop block 27 away from the support block 24.

[0031] In order for the motor 29 to drive the blades 202 to rotate through the main shaft 201 after starting, so that the wings can lift the fuselage for flight, there are four connecting arms 28. The bottom of the other end of each of the four connecting arms 28 is fixedly installed with a motor 29. The output shaft of the motor 29 is fixedly connected to the main shaft 201, and the blades 202 are evenly fixedly connected to the shaft wall of the main shaft 201.

[0032] Example 2:

[0033] This embodiment is an improved version based on Embodiment 1, such as... Figure 2 As shown, in order to avoid interference between wings on the same side when folding the wings, in this specific embodiment, the connecting seat includes a movable seat 20 and a fixed seat 21; the movable seat 20 is disposed on both sides of one end of the UAV fuselage 1, and the fixed seat 21 is disposed on both sides of the other end of the UAV fuselage 1; an adjustment component is provided between the movable seat 20 and the UAV fuselage 1, and the adjustment component is used to adjust the relative height between the movable seat 20 and the fixed seat 21 when folding or unfolding the connecting arm 28.

[0034] The adjustment assembly includes a plug 206, a spring 207, and a protrusion 208; a first slide groove 204 is provided on the drone body 1, and the movable seat 20 is slidably disposed in the first slide groove 204; two protrusions 208 are provided on one side of the first slide groove 204 on the drone body 1, one of the protrusions 208 having a height that matches the height of the fixed seat 21, and the other protrusion 208 having a height that is higher or lower than the height of the fixed seat 21; one end of the spring 207 is connected to the protrusion 208, and the other end of the spring 207 is connected to the plug 206; a groove 205 is provided on the side of the movable seat 20 facing the protrusion 208, and the plug 206 matches the groove 205.

[0035] In order to keep the insert 206 stable during movement, a second slide groove 209 is provided on the drone body 1. The second slide groove 209 is located between the protrusion 208 and the first slide groove 204, and the insert 206 is slidably disposed in the second slide groove 209.

[0036] In operation, this invention allows the following: After the drone is used, pulling the stop block 2727 will pull the insert plate 2525 out of the slot 2323, allowing the rotating shaft 2222 to rotate normally. This, in turn, will rotate the rotating shaft 2222 to fold the connecting arm 2828. Releasing the stop block 2727 will allow the insert plate 2525 to be reinserted into the corresponding slot 2323 under the tension of the spring 2626, thus positioning the folded connecting arm 2828. Additionally, removing the insert block 206206 from the groove 205205 ​​will move the movable seat 2020, allowing the wings on the movable seat 2020 and the fixed seat 2121 to be folded in an alternating manner. After the insert block 206206 is released, it will be reinserted into the groove 205205 ​​under the tension of the spring piece 207207, thus positioning the moved movable seat 2020.

[0037] It should be noted that, for those skilled in the art, it is obvious that this utility model is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this utility model is defined by the appended claims rather than the foregoing description. Therefore, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model, and no reference numerals in the claims should be construed as limiting the scope of the claims.

[0038] This specification uses specific examples to illustrate the principles and implementation methods of this utility model. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A foldable wing for a drone, characterized in that, It includes a connecting seat, a connecting arm, and a folding mechanism; the connecting seat is used to be disposed on both sides of the drone fuselage, and one end of the connecting arm is rotatably connected to the connecting seat; the folding mechanism is disposed between the connecting seat and one end of the connecting arm, and the folding mechanism is used to limit the angle between the connecting arm and the drone fuselage; the other end of the connecting arm is provided with a rotating blade.

2. The foldable wing of the UAV according to claim 1, characterized in that, The connecting seat and the connecting arm are connected by a rotating shaft.

3. The foldable wing of the UAV according to claim 2, characterized in that, One end of the rotating shaft is provided with a slot; the folding mechanism includes a support block, an insert plate, a first elastic element, and a stop block; one end of the support block is connected to the connecting seat, and the support block is located on the end face of the rotating shaft with the slot; one end of the insert plate is connected to one side of the stop block, and the other end of the insert plate passes through the support block and matches the slot; the first elastic element is provided between the support block and the stop block.

4. The foldable wing of the UAV according to claim 3, characterized in that, The first elastic element is a spring.

5. The foldable wing of the UAV according to claim 3, characterized in that, The stop block is provided with a pull lug on the side away from the support block.

6. The foldable wing of the UAV according to claim 1, characterized in that, The connecting base includes a movable base and a fixed base; the movable base is disposed on both sides of one end of the drone body, and the fixed base is disposed on both sides of the other end of the drone body; an adjustment component is provided between the movable base and the drone body, and the adjustment component is used to adjust the relative height between the movable base and the fixed base when the connecting arm is folded or unfolded.

7. The foldable wing of the UAV according to claim 6, characterized in that, The adjustment assembly includes a plug, a second elastic element, and a protrusion; a first sliding groove is provided on the drone body, and the movable seat is slidably disposed within the first sliding groove; two protrusions are provided on one side of the drone body located on the first sliding groove, one of the protrusions having a height matching the height of the fixed seat, and the other protrusion having a height higher or lower than the height of the fixed seat; one end of the second elastic element is connected to the protrusion, and the other end of the second elastic element is connected to the plug; a groove is provided on the side of the movable seat facing the protrusion, and the plug matches the groove.

8. The foldable wing of the UAV according to claim 7, characterized in that, The second elastic element is a spring sheet.

9. The foldable wing of the UAV according to claim 7, characterized in that, The drone body is provided with a second sliding groove, which is located between the protrusion and the first sliding groove, and the insert is slidably disposed in the second sliding groove.

10. The foldable wing of the UAV according to claim 1, characterized in that, The other end of the connecting arm is equipped with a motor, and the main shaft of the motor is connected to the blade drive.