CN219884104U - Unmanned aerial vehicle frame and unmanned aerial vehicle - Google Patents
Unmanned aerial vehicle frame and unmanned aerial vehicle Download PDFInfo
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- CN219884104U CN219884104U CN202321554795.1U CN202321554795U CN219884104U CN 219884104 U CN219884104 U CN 219884104U CN 202321554795 U CN202321554795 U CN 202321554795U CN 219884104 U CN219884104 U CN 219884104U
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- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000005192 partition Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle frame and an unmanned aerial vehicle, wherein the unmanned aerial vehicle frame comprises an inner shell, a plurality of transverse baffles, a battery pack and a plurality of circuit boards, wherein the transverse baffles are arranged in the inner shell at intervals along the height direction of the inner shell, and form an installation cavity with the side wall of the inner shell in a surrounding manner, and each transverse baffle extends along the length direction of the inner shell; the battery pack is arranged in the mounting cavity, and a gap is reserved between the first side wall of the battery pack and the side wall of the inner shell; the circuit boards are located outside the battery pack, one of the circuit boards is mounted on the first side wall of the battery pack, and the other circuit boards are respectively and correspondingly arranged on one side, away from the battery pack, of the diaphragm plate. Through set up polylith diaphragm, battery package and polylith circuit board inside unmanned aerial vehicle frame and come as unmanned aerial vehicle's transverse reinforcement component and be used for supporting the inner casing along unmanned aerial vehicle width direction to strengthen unmanned aerial vehicle frame's transverse strength, and then reduce unmanned aerial vehicle and take place transverse deformation's risk.
Description
Technical Field
The utility model belongs to the technical field of unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle frame and an unmanned aerial vehicle.
Background
The frame is one of the most important parts of the unmanned aerial vehicle, is a trunk and stress foundation of the whole unmanned aerial vehicle, and is not only used for fixing and supporting other parts of the unmanned aerial vehicle, but also used for bearing self gravity and load gravity and inertia transmitted by each connecting part. And unmanned aerial vehicle is because the reason of wing lift in the flight, and atress is biggest in roll direction, leads to unmanned aerial vehicle roll direction (i.e. width direction) to take place deformation easily.
Unmanned aerial vehicle frame among the prior art is generally cuboid or class cuboid. Because the inside transverse reinforcement member that does not set up of unmanned aerial vehicle frame leads to there to be great transverse deformation's risk, and then leads to unmanned aerial vehicle to take place to damage at the operation in-process.
Disclosure of Invention
The utility model mainly aims to provide an unmanned aerial vehicle frame and an unmanned aerial vehicle, and aims to solve the technical problem that in the prior art, as a transverse reinforcing member is not arranged in the unmanned aerial vehicle frame, a large risk of transverse deformation exists.
In order to achieve the above object, the present utility model provides a unmanned aerial vehicle rack, comprising:
an inner housing;
the transverse baffles are arranged in the inner shell at intervals along the height direction of the inner shell, an installation cavity is formed between the transverse baffles and the side wall of the inner shell in a surrounding mode, and each transverse baffle extends along the length direction of the inner shell;
the battery pack is arranged in the mounting cavity, and a gap is reserved between the first side wall of the battery pack and the side wall of the inner shell; and
the circuit boards are positioned outside the battery pack, one circuit board is arranged on the first side wall of the battery pack, and the other circuit boards are respectively and correspondingly arranged on one side of the diaphragm plate, which is away from the battery pack.
In an embodiment of the present utility model, the inner housing includes:
the two side plates are arranged at intervals along the width direction, and two sides of the diaphragm plate along the width direction are respectively connected with one surface of the two side plates opposite to each other; and
and the connecting assembly is used for sealing and connecting the end parts of the two side plates.
In the embodiment of the utility model, the side plate comprises a large rectangular part and a small rectangular part which are sequentially connected and integrally formed, the small rectangular part extends outwards from the end part of the large rectangular part, the small rectangular part is flush with the top end surface of the large rectangular part, and the plurality of transverse baffles, the large rectangular part and the connecting component sequentially enclose and form the mounting cavity.
In an embodiment of the utility model, the connection assembly comprises:
a top connector for connecting the tops of the two side plates;
the bottom connecting piece is used for connecting the bottoms of the two side plates; and
and the side connecting piece is arranged between the top connecting piece and the bottom connecting piece and is used for connecting the two side plates in a closing way along the width direction.
In the embodiment of the utility model, the top connecting piece is of a rectangular frame structure, the bottom connecting piece is of a plate-shaped structure, and the top connecting piece and the bottom connecting piece are provided with mounting holes for mounting the circuit board.
In the embodiment of the utility model, the side connecting piece comprises two connecting plates which are arranged at intervals along the length direction, a closed and enclosed mounting cavity is formed between the two connecting plates, the two transverse baffles and the two side plates, and a mounting opening for plugging the battery pack is formed in one connecting plate.
In an embodiment of the present utility model, a battery pack includes:
the battery bin comprises a bin wall and a middle partition plate, wherein the middle partition plate divides the bin wall into a plurality of mounting cavities, and openings of the mounting cavities are all opened towards the mounting openings; and
and the batteries are arranged in the mounting cavities, and the number of the batteries corresponds to that of the mounting cavities.
In the embodiment of the utility model, a plurality of lightening holes and a horn mounting seat hole are formed on the inner shell.
In an embodiment of the utility model, the unmanned aerial vehicle frame comprises a plurality of multi-faceted connectors for detachable connection between the inner housing, the diaphragm, the battery pack and the circuit board.
In order to achieve the above object, the present utility model also provides a unmanned aerial vehicle, including the unmanned aerial vehicle frame and the horn as described above.
Through the technical scheme, the unmanned aerial vehicle frame provided by the embodiment of the utility model has the following beneficial effects:
the diaphragm plate is arranged in the inner shell to enclose an installation cavity for installing the battery pack, and the battery pack is connected with the inner shell and the diaphragm plate, so that the battery pack does not fluctuate in the operation process of the unmanned aerial vehicle, and the power supply of the unmanned aerial vehicle is not affected; through set up polylith diaphragm, battery package and polylith circuit board as unmanned aerial vehicle's transverse reinforcement member inside unmanned aerial vehicle frame, support the inner casing along unmanned aerial vehicle width direction to strengthen unmanned aerial vehicle frame's transverse strength, and then reduce unmanned aerial vehicle and take place transverse deformation's risk.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide an understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:
fig. 1 is a schematic structural view of a unmanned aerial vehicle frame according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of a drone frame in accordance with one embodiment of the present utility model;
fig. 3 is a schematic structural view of a drone frame according to one embodiment of the present utility model from another perspective;
fig. 4 is a schematic structural view of the unmanned aerial vehicle according to an embodiment of the present utility model.
Description of the reference numerals
Detailed Description
Specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present utility model.
The unmanned aerial vehicle rack and the unmanned aerial vehicle according to the present utility model are described below with reference to the accompanying drawings.
As shown in fig. 1 to 3, in an embodiment of the present utility model, a unmanned aerial vehicle frame 2 includes an inner case, a plurality of diaphragm plates 3, a battery pack, and a plurality of circuit boards 5, wherein the plurality of diaphragm plates 3 are arranged inside the inner case at intervals in a height direction of the inner case, and define a mounting cavity with a side wall of the inner case therebetween, each diaphragm plate 3 extending in a length direction of the inner case; the battery pack is arranged in the mounting cavity, and a gap is reserved between the first side wall 7 of the battery pack and the side wall of the inner shell; the circuit boards 5 are located outside the battery pack, wherein one circuit board 5 is installed on the first side wall 7 of the battery pack, and the rest circuit boards 5 are respectively and correspondingly arranged on one side, away from the battery pack, of the diaphragm plate 3.
Specifically, the diaphragm plate 3 is arranged in the inner shell to enclose and form an installation cavity for installing the battery pack, and the battery pack is further fixed with the inner shell and the diaphragm plate 3, so that the battery pack of the unmanned aerial vehicle 100 is not displaced in the operation process, the connection stability of the battery pack and the circuit board 5 is ensured, and the normal operation of the unmanned aerial vehicle 100 is not affected; and through set up polylith diaphragm 3, battery package and polylith circuit board 5 inside unmanned aerial vehicle frame 2 and be used for supporting the inner casing along unmanned aerial vehicle 100 width direction as unmanned aerial vehicle 100's transverse reinforcement member to strengthen unmanned aerial vehicle frame 2's transverse strength, and then reduce unmanned aerial vehicle 100 and take place the risk of transverse deformation.
The longitudinal direction is the front-back direction, the width direction is the left-right direction, and the height direction is the up-down direction.
In the embodiment of the utility model, the inner shell comprises two side plates 6 and a connecting assembly, wherein the side plates are arranged at intervals along the width direction, and two sides of the diaphragm plate 3 along the width direction are respectively connected with one surface opposite to the two side plates 6; the connecting assembly closes the ends connecting the two side plates 6.
Specifically, two curb plates 6 are along controlling direction interval arrangement, connect two through coupling assembling along the circumference of curb plate 6 to form cuboid structure or class cuboid structure, because cuboid structure is more easily to have left and right direction deformation risk, reduce its left and right direction deformation risk through diaphragm 3 along upper and lower direction interval arrangement and left and right both ends are connected with two curb plates 6 respectively, can satisfy its inner space demand again, thereby provide installation space for the installation of battery package and circuit board 5.
In the embodiment of the utility model, the side plate 6 comprises a large rectangular part and a small rectangular part which are sequentially connected and integrally formed, the small rectangular part extends outwards from the end part of the large rectangular part, the small rectangular part is flush with the top end surface of the large rectangular part, and the plurality of diaphragm plates 3, the large rectangular part and the connecting assembly sequentially enclose a mounting cavity.
Specifically, the height of the large rectangular portion is greater than the height of the small rectangular portion, the small rectangular portion extends forward from the front end surface of the large rectangular portion, and the upper edge of the large rectangular portion is flush with the upper end surface of the small rectangular portion. The lateral plates 6 are designed into two rectangular structures, and a transverse reinforcing member is added at the intersection corner of the large rectangular part and the small rectangular part, so that the transverse strength of the unmanned aerial vehicle frame 2 is further enhanced, and the risk of transverse deformation of the unmanned aerial vehicle 100 is further reduced. And by designing the side plate 6 into a large rectangular part and a small rectangular part which are integrally manufactured, the volume of the inner shell can be reduced, so that the material is saved and the cost is reduced.
In an embodiment of the utility model, the connection assembly comprises a top connection piece, a bottom connection piece and a side connection piece, wherein the top connection piece is used for connecting the tops of the two side plates 6; the bottom connecting piece is used for connecting the bottoms of the two side plates 6; the side connectors are mounted between the top connector and the bottom connector and connect the two side plates 6 in a width direction in a closed manner.
Specifically, the top connector is of a rectangular frame structure and is provided with a first window 14, and the first window 14 is correspondingly arranged close to the circuit board 5 of the top connector. The side connecting piece comprises two connecting plates which are arranged at intervals along the length direction, two connecting plates, two transverse partition plates 3 and two side plates 6 are sealed and enclosed to form a mounting cavity, and a mounting opening for plugging a battery pack is formed in one connecting plate. The bottom connecting piece is of a plate-shaped structure and is provided with a second window 15, and the second window 15 is correspondingly arranged close to the circuit board 5 of the top connecting piece. By arranging the first window 14 and the second window 15, the installation of the circuit board 5 in the assembly process of the unmanned aerial vehicle frame 2 is facilitated, and the weight of the inner shell can be further reduced.
In practice, the rectangular frame structure includes first and second horizontal plates 8 and 9 extending in the front-rear direction and first vertical plates 11 extending in the up-down direction, and the side connection members include second and third vertical plates 12 and 13 extending in the up-down direction, and the bottom connection member is a third horizontal plate 10 extending in the front-rear direction. The first horizontal plate 8 is located at the upper end face of the large rectangular part and extends to the upper end face of the small rectangular part, the second horizontal plate 9 is located at the lower end face of the small rectangular part, the third horizontal plate 10 is located at the lower end face of the large rectangular part, the first vertical plate 11 is located at the front end face of the small rectangular part, the second vertical plate 12 extends from the front end of the lower end face of the large rectangular part to the rear end of the lower end face of the small rectangular part, and the third vertical plate 13 is located at the rear end face of the large rectangular part. The first horizontal plate 8, the first vertical plate 11, the second horizontal plate 9, the second vertical plate 12, the third horizontal plate 10 and the third vertical plate 13 are connected end to end in this order to close the side plate 6. And the length of the first horizontal plate 8 is equal to the sum of the lengths of the second horizontal plate 9 and the third horizontal plate 10, and the third vertical plate 13 is equal to the sum of the lengths of the first vertical plate 11 and the second vertical plate 12.
Further, the number of the diaphragm plates 3 is two, the diaphragm plates are respectively arranged close to the first horizontal plate 8 and the third horizontal plate 10, and the length and the width of the two diaphragm plates 3 are equal to those of the third horizontal plate 10. The difference in height between the diaphragm plate 3 located above and the first horizontal plate 8 is equal to the difference in height between the diaphragm plate 3 located below and the third horizontal plate 10, and the two differences in height are equal to the height of the first vertical plate 11. The inner shell is divided into three rectangular areas in the up-down direction through the two diaphragm plates 3, so that the rectangular areas with larger vertical heights are avoided, the transverse strength of the unmanned aerial vehicle frame 2 is enhanced, and the risk of transverse deformation of the unmanned aerial vehicle 100 is reduced. In fact, in the manufacturing process, the diaphragm plate 3 and the second horizontal plate 9 located above are integrally manufactured into a member, so that the number of the members is reduced, and the assembly speed of the unmanned aerial vehicle frame 2 is further increased.
And, the quantity of circuit board 5 is three, and the installing port of installation cavity is seted up on third vertical board 13, and the battery package inserts the installation intracavity from the back to the front, and first lateral wall 7 is the preceding lateral wall of battery package, forms the clearance between preceding lateral wall and the second vertical board 12, and one of them circuit board 5 sets up between this clearance and is connected with the preceding lateral wall of battery package, and other two circuit boards 5 set up the up end of top diaphragm 3 and the lower terminal surface of below diaphragm 3 respectively. The three circuit boards 5 are formed in a -shape, a -shape without connection, or an i-shape, and the specific structural shape formed depends on the lengths of the three circuit boards 5. Because the structural strength of the circuit board 5 is high, and the circuit board 5 is firmly and reliably fixedly connected with the inner shell, the transverse structural strength of the unmanned aerial vehicle frame 2 is reinforced for three times, the risk of transverse deformation of the unmanned aerial vehicle 100 is reduced, and a larger layout space is provided for wire deployment.
In the embodiment of the utility model, the battery pack comprises a battery compartment 41 and a battery 42, wherein the battery compartment 41 comprises a compartment wall and a middle partition board, the middle partition board divides the compartment wall into a plurality of mounting cavities, and openings of the mounting cavities are all opened towards the mounting opening; the batteries 42 are mounted in the mounting cavities, and the number of the batteries 42 corresponds to the number of the mounting cavities.
Specifically, the number of middle separators and the extending direction are set according to actual requirements, and in general, the number of batteries 42 is two, and then one middle separator is set, and in order to further strengthen the transverse strength of the unmanned aerial vehicle frame 2, the middle separator is set in the horizontal plane in parallel with the transverse separator 3.
In an embodiment of the utility model, the inner housing is provided with a plurality of lightening holes and arm mount holes 16.
Specifically, triangle-shaped's lightening holes have all been seted up on curb plate 6, first horizontal plate 8, second horizontal plate 9, third horizontal plate 10, first vertical plate 11, second vertical plate 12 and the third vertical plate 13, through setting up the lightening hole, under the prerequisite that does not influence structural strength, reduce unmanned aerial vehicle frame 2's dead weight. Two horn mounting seat holes 16 for mounting the horn 1 are formed in each side plate 6, the horn mounting seat holes 16 in the two side plates 6 are symmetrically formed, and each horn mounting seat hole 16 is correspondingly provided with one horn 1. One of the horn mount holes 16 is provided above the upper diaphragm plate 3 and at the upper left corner of the large rectangular portion, and the other horn mount hole 16 is provided below the lower diaphragm plate 3 and at the lower right corner of the large rectangular portion. Through setting up horn mount pad hole 16 in the corner to avoid causing the influence to the structural strength of unmanned aerial vehicle frame 2.
Further, the unmanned aerial vehicle frame 2 includes a plurality of multi-faceted connectors for detachable connection between the inner housing, the diaphragm 3, the battery pack, and the circuit board 5. And screw holes with uniform specifications are formed in the inner shell, the diaphragm plate 3, the battery pack and the circuit board 5, and the detachable connection of each component is realized by arranging the multi-surface connecting piece, so that the assembly or maintenance difficulty of the unmanned aerial vehicle frame 2 is reduced. Wherein, the multi-face connecting piece is preferably an L-shaped connecting block, but the protection scope of the utility model is not limited.
As shown in fig. 4, the present utility model further provides a drone 100, including the drone frame 2 and the horn 1 as described above. The number of the horn 1 is four, and the horn 1 is respectively arranged at four horn mounting seat holes 16, and two horn 1 are respectively arranged at the left side and the right side of the unmanned aerial vehicle frame 2 and symmetrically arranged. Moreover, the unmanned aerial vehicle 100 adopts the embodiments of all the unmanned aerial vehicle frames 2 described above, and thus has all the technical effects brought by the unmanned aerial vehicle frames 2.
In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (10)
1. An unmanned aerial vehicle frame, comprising:
an inner housing;
the transverse baffles (3) are arranged in the inner shell at intervals along the height direction of the inner shell, a plurality of installation cavities are formed by surrounding the transverse baffles (3) and the side walls of the inner shell, and each transverse baffle (3) extends along the length direction of the inner shell;
a battery pack (4) mounted in the mounting cavity, a first side wall (7) of the battery pack (4) having a gap with a side wall of the inner housing; and
the battery pack comprises a plurality of circuit boards (5), wherein the circuit boards (5) are positioned outside the battery pack (4), one circuit board (5) is installed on a first side wall (7) of the battery pack (4), and the rest circuit boards (5) are respectively and correspondingly arranged on one side, deviating from the battery pack (4), of the diaphragm plate (3).
2. The unmanned aerial vehicle bay of claim 1, wherein the inner housing comprises:
the two side plates (6) are arranged at intervals along the width direction, and two sides of the diaphragm plate (3) along the width direction are respectively connected with one surface of the two side plates (6) opposite to each other; and
and the connecting assembly is used for sealing and connecting the end parts of the two side plates (6).
3. The unmanned aerial vehicle frame according to claim 2, wherein the side plate (6) comprises a large rectangular part and a small rectangular part which are sequentially connected and integrally formed, the small rectangular part extends outwards from the end part of the large rectangular part, the small rectangular part is flush with the top end surface of the large rectangular part, and a plurality of transverse partition plates (3), the large rectangular part and the connecting assembly sequentially enclose to form the mounting cavity.
4. The unmanned aerial vehicle bay of claim 2, wherein the connection assembly comprises:
a top connector for connecting the tops of the two side plates (6);
a bottom connecting piece for connecting bottoms of the two side plates (6); and
and the side connecting piece is arranged between the top connecting piece and the bottom connecting piece and is used for sealing and connecting the two side plates (6) along the width direction.
5. The unmanned aerial vehicle frame of claim 4, wherein the top connector is a rectangular frame structure, the bottom connector is a plate-like structure, and both the top connector and the bottom connector are provided with mounting openings for mounting the circuit board.
6. The unmanned aerial vehicle frame according to claim 4, wherein the side connecting piece comprises two connecting plates which are arranged at intervals along the length direction, the two connecting plates, the two transverse baffles (3) and the two side plates (6) are enclosed to form the mounting cavity, and one connecting plate is provided with a mounting opening for plugging the battery pack (4).
7. The unmanned aerial vehicle bay of claim 6, wherein the battery pack comprises:
the battery bin (41) comprises a bin wall and a middle partition plate, the middle partition plate divides the bin wall into a plurality of mounting cavities, and openings of the mounting cavities are all opened towards the mounting opening; and
and batteries (42) are installed in the installation cavities, and the number of the batteries (42) corresponds to the number of the installation cavities.
8. The unmanned aerial vehicle frame according to any one of claims 1 to 7, wherein the inner housing is provided with a plurality of lightening holes and horn mount holes (16).
9. The unmanned aerial vehicle frame according to any of claims 1 to 7, wherein the unmanned aerial vehicle frame (2) comprises a plurality of multi-faceted connectors for detachable connection between the inner housing, the diaphragm (3), the battery pack (4) and the circuit board (5).
10. A unmanned aerial vehicle, characterized in that it comprises a unmanned aerial vehicle frame (2) and a horn (1) according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321554795.1U CN219884104U (en) | 2023-06-16 | 2023-06-16 | Unmanned aerial vehicle frame and unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321554795.1U CN219884104U (en) | 2023-06-16 | 2023-06-16 | Unmanned aerial vehicle frame and unmanned aerial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219884104U true CN219884104U (en) | 2023-10-24 |
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ID=88401102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321554795.1U Active CN219884104U (en) | 2023-06-16 | 2023-06-16 | Unmanned aerial vehicle frame and unmanned aerial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219884104U (en) |
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2023
- 2023-06-16 CN CN202321554795.1U patent/CN219884104U/en active Active
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