Unmanned aerial vehicle structural member
By designing articulated arm folding mechanisms and reinforced landing gear connection points in the drone's structural components, the problems of complex operation and poor torsional resistance of the drone's arm folding mechanisms were solved, achieving convenient folding and improved overall strength.
Patent Information
- Application Number
- CN202520130229.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing drone arm folding mechanisms are complex to operate, inconvenient to assemble and disassemble, have poor torsional resistance, affect the user experience, and require high overall strength.
Design a UAV structural component that employs two hinged arm folding mechanisms. Each arm folding mechanism includes at least two arm sleeves, and landing gear reinforcement connection points are provided on the outer wall of the arm sleeves. Torsional resistance and overall strength are improved by reinforcing the connecting rods and hinge shafts.
It enables convenient folding of the drone's arms, improves torsional resistance and overall strength, simplifies the operation process, and enhances the user experience.
Smart Images

Figure CN223672823U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of unmanned plane, concretely relates to an unmanned plane structural member. BACKGROUND
[0002] With the development of unmanned plane technology and the continuous expansion of market demand, the application range of unmanned plane is more and more extensive, and it has a wide application in the fields of film and television photography, fire extinguishing and plant protection.At present, the arm of the multi-axle unmanned plane occupies a larger volume in the normal unfolded state, and is inconvenient to carry and transport.In order to facilitate carrying, the arms of the unmanned plane need to be folded.The existing unmanned plane arm folding mechanism mostly adopts bolt fixing, and is complex to operate and inconvenient to disassemble and assemble, and is single-arm folding, poor in torsional resistance, and independent of adjacent arm folding mechanisms, which requires high overall strength of the unmanned plane.In short, the folding process is inconvenient to operate, and affects the use experience. CONTENT OF THE UTILITY MODEL
[0003] The utility model provides a kind of unmanned plane structural member, two arms can be operated simultaneously, good in torsional resistance, and landing gear reinforcing connection point is provided on arm sleeve, and installation position is provided for reinforcing connecting rod of unmanned plane landing gear, to enhance the overall strength, solve the deficiency described in the prior art above.
[0004] The technical scheme adopted by the utility model is as follows:
[0005] An unmanned plane structural member includes two arm folding mechanisms connected by hinges, each arm folding mechanism includes at least two arm sleeve pipes, the arm sleeve pipes are arranged in parallel, and a landing gear reinforcing connection point is provided on the outer wall of one arm sleeve pipe.The arm sleeve pipes of the two arm folding mechanisms correspond to each other and are interconnected, each arm folding mechanism is provided with two or more arm sleeve pipes, at least two arms can be inserted at a time, the overall torsional resistance is improved, and the landing gear reinforcing connection point provides an installation position for the reinforcing connecting rod of the landing gear, especially the oblique reinforcing connecting rod.
[0006] As a preferred scheme of the utility model, an arm reinforcing connection point is provided between the two arm sleeve pipes of the arm folding mechanism.The arm reinforcing connection point provides an installation position for the reinforcing connecting rod between the arms, and a transverse reinforcing connecting rod is provided between the two connected arm reinforcing connection points, to further enhance the overall torsional resistance and strength.
[0007] As a preferred scheme of the utility model, a reinforcing connecting plate is provided between the two arm sleeve pipes of the arm folding mechanism, and the arm reinforcing connection points are symmetrically arranged on both sides of the reinforcing connecting plate close to the landing gear reinforcing connection point.
[0008] As a preferred scheme of the utility model, the reinforcing connecting plate is provided with a weight-reducing hole.
[0009] As a preferred scheme of the utility model, two hinge shafts are arranged at the contact end portions of the two arm folding mechanisms, and the arrangement direction of the hinge shafts is perpendicular to the axis direction of the arm sleeve pipes. The two hinge shafts make the two arm folding mechanisms more convenient to fold, and appropriate hinge shafts are selected according to the use scene to complete folding.
[0010] As a preferred scheme of the utility model, a plurality of gap-eliminating locking structures are arranged at the contact end portions of the two arm folding mechanisms. The gap-eliminating locking structures aim to reduce the gap between the two arm folding mechanisms as much as possible.
[0011] As a preferred scheme of the utility model, the two arm folding mechanisms are respectively a first arm folding mechanism and a second arm folding mechanism, the first arm folding mechanism comprises two arm sleeve pipes and a first connecting end plate, the second arm folding mechanism comprises two arm sleeve pipes and a second connecting end plate, one end of the first connecting end plate is provided with a first hinge sleeve pipe I, and the other end is provided with a first hinge sleeve pipe II, one end of the second connecting end plate is provided with a second hinge sleeve pipe I, and the other end is provided with a second hinge sleeve pipe II, the first hinge sleeve pipe I and the second hinge sleeve pipe I are aligned to install a first rotating shaft, and the first rotating shaft is a hinge shaft, the first hinge sleeve pipe II and the second hinge sleeve pipe II are aligned to install a second rotating shaft, and the second rotating shaft is another hinge shaft, and the outer wall of the first connecting end plate and the outer wall of the second connecting end plate are provided with locking blocks in correspondence. The locking blocks are locked by bolts and nuts after alignment.
[0012] As a preferred scheme of the utility model, the landing gear reinforcing connecting point is located at the first arm folding mechanism. The first arm folding mechanism is closer to the landing gear of the unmanned aerial vehicle when being assembled and used.
[0013] As a preferred scheme of the utility model, the arm sleeve pipe wall of the second arm folding mechanism is provided with an adjusting opening. The adjusting opening is convenient for the arm to be inserted, and the adjusting opening is locked after being inserted. The adjusting locking structure used is the same as the principle of a hoop.
[0014] As a preferred scheme of the utility model, the locking bolt arranged at the locking block is parallel to the axis of the arm sleeve pipe, and a locking hole is further arranged at the contact portion of the first connecting end plate and the second connecting end plate, and the locking bolt at the locking hole is perpendicular to the axis of the arm sleeve pipe. The first connecting end plate and the second connecting end plate are locked in parallel and perpendicular directions of the arm sleeve pipe, so that the gap between the first connecting end plate and the second connecting end plate is reduced.
[0015] Each arm folding mechanism of this invention uses at least two arm sleeves, allowing two or more arms to be inserted at a time, thus improving the overall torsional resistance. Furthermore, the arm sleeves are equipped with landing gear reinforcement connection points, which facilitates the addition of reinforcing connecting rods to the landing gear, thereby enhancing the overall strength of the UAV. Additionally, two hinge shafts are provided at the hinge joint between the two arm folding mechanisms, allowing for selection of the hinge shaft for folding as needed, thus improving the convenience of arm folding. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art 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.
[0017] Figure 1 This is a schematic diagram of the structure of this utility model.
[0018] Figure 2 This is a schematic diagram of the structure of this utility model.
[0019] Figure 3 This is a schematic diagram of the structure of this utility model.
[0020] Figure 4 This is a schematic diagram of the structure of this utility model. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. 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.
[0022] Example:
[0023] A type of drone structural component, such as Figures 1-4 As shown, the device includes two hinged arm folding mechanisms. Each arm folding mechanism includes at least two arm sleeves 1. This embodiment uses two arm sleeves as an example for demonstration. The arm sleeves 1 are arranged in parallel, and a reinforcing connecting plate 4 is provided between the arm sleeves of the same arm folding mechanism. The reinforcing connecting plate 4 is provided with weight reduction holes. Similarly, the arm sleeves are also provided with weight reduction holes, which can reduce the overall weight of the UAV structural components.
[0024] In this embodiment, the two arm folding mechanisms are respectively a first arm folding mechanism A and a second arm folding mechanism B. The first arm folding mechanism includes two arm sleeves 1 and a first connecting end plate 5. The first arm folding mechanism is closer to the unmanned aerial vehicle landing gear when assembled and used. The first connecting end plate 5 is provided with an arm accommodating hole. One end of the first connecting end plate 5 is provided with a first hinge sleeve I 51, and the other end is provided with a first hinge sleeve II 52. Four locking blocks 7 are symmetrically arranged around the first hinge sleeve I and the first hinge sleeve II. Four locking blocks are used as an example in this embodiment. A landing gear reinforcing connection point 2 is arranged on the outer wall of one of the arm sleeves 1. In this embodiment, the landing gear reinforcing connection point 2 is provided with two positions, each in the form of a connecting lug. The setting of the landing gear reinforcing connection point provides a mounting position for the obliquely reinforcing connecting rod of the landing gear. An arm reinforcing connection point 3 is symmetrically arranged on both sides of the middle position of the reinforcing connecting plate 4. The arm reinforcing connection point 3 is also in the form of a connecting lug. A transverse reinforcing connecting rod is arranged between the two connected arm reinforcing connection points, further enhancing the overall torsional resistance and strength.
[0025] The second arm folding mechanism includes two arm sleeves 1 and a second connecting end plate 6. The arm sleeve 1 at this position is provided with an adjusting opening 8. The adjusting opening facilitates the insertion of the arm. After insertion, the adjusting opening is locked. The adjusting locking structure used is the same as the principle of a hoop.
[0026] The second connecting end plate 6 is also provided with an arm accommodating hole. One end of the second connecting end plate 6 is provided with a second hinge sleeve I 61, and the other end is provided with a second hinge sleeve II 62. The first hinge sleeve I 51 and the second hinge sleeve I 61 are aligned to install a first rotating shaft, which is a hinge shaft. The first hinge sleeve II 52 and the second hinge sleeve II 62 are aligned to install a second rotating shaft, which is another hinge shaft. The setting direction of the two hinge shafts is perpendicular to the axis direction of the arm sleeve. The two hinge shafts make the two arm folding mechanisms more convenient to fold. According to the use scene, the appropriate hinge shaft is selected to complete the folding.
[0027] The second connecting end plate 6 is also provided with an arm accommodating hole. One end of the second connecting end plate 6 is provided with a second hinge sleeve I 61, and the other end is provided with a second hinge sleeve II 62. The first hinge sleeve I 51 and the second hinge sleeve I 61 are aligned to install a first rotating shaft, which is a hinge shaft. The first hinge sleeve II 52 and the second hinge sleeve II 62 are aligned to install a second rotating shaft, which is another hinge shaft. The setting direction of the two hinge shafts is perpendicular to the axis direction of the arm sleeve. The two hinge shafts make the two arm folding mechanisms more convenient to fold. According to the use scene, the appropriate hinge shaft is selected to complete the folding.
[0028] After being assembled in place, the arm sleeve of the two arm folding mechanisms correspond and intercommunicate, when folding is needed, the first rotating shaft can be removed, the second connecting end plate 6 is folded downward to realize folding, the second rotating shaft can be removed, the second connecting end plate 6 is folded upward to realize folding, any direction of folding can be selected according to needs, the applicability and convenience of folding are improved.
[0029] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0030] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be included in the protection scope of the present application.
Claims
1. An unmanned aerial vehicle structure comprising two arm folding mechanisms hingedly connected, characterized in that: Each of the arm folding mechanisms comprises at least two arm sleeves (1) arranged in parallel between the arm sleeves (1), and a landing gear reinforcing connecting point (2) arranged on the outer wall of one of the arm sleeves (1).
2. The drone structure of claim 1, wherein: The arm folding mechanisms are provided with an arm reinforcing connecting point (3) between the two arm sleeves (1).
3. The drone structure of claim 2, wherein: The two arm sleeves (1) of the arm folding mechanisms are provided with a reinforcing connecting plate (4), and the arm reinforcing connecting point (3) is symmetrically arranged on both sides of the reinforcing connecting plate (4) close to the landing gear reinforcing connecting point (2).
4. The drone structure of claim 3, wherein: The reinforcing connecting plate (4) is provided with a weight-reducing hole.
5. The drone structure of any one of claims 1-4, wherein: The two arm folding mechanisms are provided with two hinge shafts at the contact end portions, and the arrangement direction of the hinge shafts is perpendicular to the axial direction of the arm sleeves.
6. The drone structure of claim 5, wherein: The two arm folding mechanisms are provided with a plurality of gap-eliminating locking structures at the contact end portions.
7. The drone structure of claim 6, wherein: The two arm folding mechanisms are respectively a first arm folding mechanism (A) and a second arm folding mechanism (B), the first arm folding mechanism comprises two arm sleeves (1) and a first connecting end plate (5), the second arm folding mechanism comprises two arm sleeves (1) and a second connecting end plate (6), one end of the first connecting end plate (5) is provided with a first hinge sleeve I (51), and the other end is provided with a first hinge sleeve II (52), one end of the second connecting end plate (6) is provided with a second hinge sleeve I (61), and the other end is provided with a second hinge sleeve II (62), the first hinge sleeve I (51) and the second hinge sleeve I (61) are aligned to install a first rotating shaft, the first hinge sleeve II (52) and the second hinge sleeve II (62) are aligned to install a second rotating shaft, and the outer wall of the first connecting end plate (5) and the outer wall of the second connecting end plate (6) are correspondingly provided with locking blocks (7).
8. The drone structure of claim 7, wherein: The landing gear reinforcing connecting point (2) is located in the first arm folding mechanism (A).
9. The drone structure of claim 8, wherein: The arm sleeve wall of the second arm folding mechanism (B) is provided with an adjusting opening (8).
10. The drone structure of claim 7, wherein: The locking bolt arranged at the locking block (7) is parallel to the axis of the arm sleeve, and the first connecting end plate (5) and the second connecting end plate (6) are further provided with a locking hole at the contact portion, and the locking bolt at the locking hole is perpendicular to the axis of the arm sleeve.