Unmanned aerial vehicle flight anti-collision device

Abstract

The utility model discloses an unmanned aerial vehicle flight anti-collision device which comprises a main body, protection arms, positioning structures, connecting blocks and connecting assemblies, the four corners of the main body are rotationally connected with flight arms respectively, the tops of the four flight arms are all provided with spiral blades, the bottom of the main body is fixedly connected with two sets of positioning structures, and the front side and the rear side of the main body are connected with the protection arms in an inserted mode respectively. And the tops of the ends, away from each other, of the two protection arms are fixedly connected with first protection plates correspondingly, and the sides, away from each other, of the two first protection plates are fixedly connected with a plurality of spring rods correspondingly. And if the obstacles cannot be accurately identified and avoided, the unmanned aerial vehicle may collide with the obstacles, so that the spiral blades of the unmanned aerial vehicle are damaged, the unmanned aerial vehicle crashes due to insufficient lift force, and direct economic loss is caused.

Description

Technical Field

[0001] The utility model belongs to the technical field of unmanned aerial vehicles (UAVs), and in particular relates to a flight anti-collision device for UAVs. Background Art

[0002] Drone, the full name of which is unmanned aerial vehicle, is also called unmanned robot, remote-controlled aircraft or unmanned machinery. It is an unmanned robot that flies by remote control or autonomously and can complete various tasks. It has a wide range of applications and development prospects. Drones can be equipped with high-definition camera equipment and used for photography and videography in aerial photography, film shooting, advertising photography, tourist attractions and other fields. In the agricultural field, drones can be used for monitoring and inspection of farmland, spraying pesticides, sowing, fertilizing, irrigation and other agricultural production processes.

[0003] The problem with existing technologies is that if a drone fails to accurately identify and avoid obstacles during flight, it may collide with these obstacles, causing damage to the drone's propeller blades, resulting in insufficient lift and crashing, causing direct economic losses. Utility Model Content

[0004] In response to the problems existing in the existing technology, the utility model provides a UAV flight anti-collision device, which has the advantage of protecting the outer ring of the UAV's spiral blades to prevent the fragile blades from colliding with obstacles. It solves the problem that if the existing UAV fails to accurately identify and avoid obstacles during flight, it may collide with these obstacles, causing damage to the UAV's spiral blades, resulting in insufficient lift and crashing of the UAV, causing direct economic losses.

[0005] The utility model is implemented as follows: a flight anti-collision device for an unmanned aerial vehicle comprises a main body, a protective arm, a positioning structure, a connecting block and a connecting assembly, wherein the four corners of the main body are rotatably connected to the flight arms, the tops of the four flight arms are provided with spiral leaves, the bottom of the main body is fixedly connected to two groups of positioning structures, the front and rear sides of the main body are respectively plugged with protective arms, the bottoms of the two protective arms are respectively fixedly connected to fixing plates, the sides of the two fixing plates close to each other are fixedly connected to fixing blocks, the surfaces of the two fixing blocks are respectively provided with fixing grooves, the tops of the two protective arms away from each other are respectively fixedly connected to the first protective plates, the two first protective plates are respectively surrounded by the outer rings of the four spiral leaves, the sides of the two first protective plates away from each other are fixedly connected to a number of spring rods, and the sides of the several spring rods away from the main body are correspondingly fixedly connected to the second protective plates, the positioning structure comprises a connecting block and a connecting assembly, and the connecting assembly is arranged inside the connecting block.

[0006] As a preferred embodiment of the present invention, the two connecting blocks are respectively fixedly connected to the front and rear sides of the bottom of the main body, and the two connecting blocks are respectively provided with slots on the sides away from each other. The two fixed blocks are respectively inserted into the inner walls of the connecting blocks through the slots, and the bottoms of the two connecting blocks are respectively provided with movable slots. The left and right sides of the inner walls of the two connecting blocks are fixedly connected with movable rods. By setting the connecting blocks, the connecting blocks and the connecting components can work together, and the protective arms inserted into the main body are fixed and limited by the fixed blocks, so that the two protective arms can cooperate with the first protective plate and the second protective plate to protect the outer ring of the spiral blade, reducing the risk of the spiral blade being damaged by collision during the flight of the drone.

[0007] As a preferred embodiment of the present invention, the connecting assembly includes two limit columns, which are respectively fixedly connected to the bottom of the inner wall of the connecting block, and two limit arms are respectively provided on the side of the two limit columns away from each other. By providing the limit columns, the two limit columns can respectively limit the moving trajectories of the two limit arms, so that the two limit arms can be respectively driven to rotate by the two limit columns during the movement process.

[0008] As a preferred embodiment of the present invention, the sides of the two limit arms that are away from each other are respectively fitted with the surfaces of the two limit columns, and a limit block is set at the bottom of the two limit arms. The ends of the two limit arms close to the fixed plate are respectively fixedly connected to the linkage rods, and the outer surfaces of the two linkage rods are respectively sleeved with linkage arms. By setting the limit arms, the two limit arms can be driven by the limit blocks to move, thereby cooperating with the extrusion and driving of the two limit columns to perform relative rotation. The two limit arms rotate and then determine the movement of the two linkage rods, thereby driving the two linkage arms to move away respectively.

[0009] As a preferred embodiment of the present invention, the top of the limit block is rotatably connected to the middle of the two limit arms through a rotating shaft, the bottom of the limit block is fixedly connected to the limit rod, the bottom of the limit rod extends and passes through the inner wall of the connecting block, and the outer surface of the limit rod is slidably connected to the inner wall of the movable groove. By arranging the limit block and the limit rod, the limit rod can slide in the movable groove and drive the limit block to move synchronously, thereby driving the movement of the two limit arms at the same time, and cooperating with the two limit columns to drive the two limit arms to rotate.

[0010] As a preferred embodiment of the present invention, the middle parts of the two linkage arms are respectively slidably connected to the surface of the moving rod, and the surfaces of the two linkage arms are respectively provided with linkage grooves, and the inner walls of the two linkage grooves are respectively fitted with the outer surfaces of the two linkage rods, and the sides of the two linkage arms that are away from each other are fixedly connected to the limit springs, and the ends of the two limit springs that are away from each other are respectively fixedly connected to the inner walls of the connecting blocks, and the sides of the two linkage arms that are close to each other are respectively provided with positioning blocks. By setting the linkage arms, the two linkage grooves can be respectively squeezed during the movement of the two linkage rods to drive the two linkage arms to slide away on the surface of the moving rod, and at the same time compress the two limit springs, and the two linkage arms move and respectively drive the two positioning blocks to move away.

[0011] As a preferred embodiment of the present invention, the two positioning blocks are respectively fixedly connected to the side of the two linkage arms close to each other, and the two positioning blocks are respectively inserted into the fixed grooves. By setting the positioning blocks, the two positioning blocks can be separated from the fixed grooves when moving away, so as to release the fixed limit of the fixed blocks, and then the protective arm can be pulled out of the main body, so that the protective arm can be removed together with the first protective plate and the second protective plate.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. The utility model achieves the effect of solving the problem that if the existing UAV fails to accurately identify and avoid obstacles during flight, it may collide with these obstacles, causing damage to the propeller blades of the UAV, resulting in insufficient lift and crashing of the UAV, causing direct economic losses, by setting the main body, protective arms, positioning structure, connecting blocks and connecting components to work in coordination.

[0014] 2. The utility model provides a protective arm and a positioning structure, so that the connecting block and the connecting assembly can work together, and the protective arm is fixedly installed on the main body, so that it cooperates with the first protective plate and the second protective plate to protect the blades of the drone, ensuring that the blades will not collide with obstacles and cause damage during flight, effectively avoiding or reducing collision accidents of the drone during flight. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the main body provided by the embodiment of the utility model;

[0016] Figure 2 This is a schematic structural diagram of the main body, protective arm and positioning structure provided by an embodiment of the utility model;

[0017] Figure 3 This is a schematic structural diagram of a protective arm, a first protective plate, and a connecting block provided by an embodiment of the present utility model;

[0018] Figure 4 It is a cross-sectional schematic diagram of a connection block and a structural schematic diagram of a connection assembly provided by an embodiment of the present invention.

[0019] In the figure: 1. Main body; 101. Flying arm; 102. Spiral blade; 2. Protective arm; 201. Fixed plate; 202. Fixed block; 203. Fixed slot; 204. First protective plate; 205. Spring rod; 206. Second protective plate; 3. Positioning structure; 4. Connecting block; 5. Connecting assembly; 6. Slot; 7. Moving slot; 8. Moving rod; 9. Limiting column; 10. Limiting arm; 11. Limiting block; 12. Linking rod; 13. Linking arm; 14. Limiting rod; 15. Linking slot; 16. Limiting spring; 17. Positioning block. DETAILED DESCRIPTION

[0020] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0021] The structure of the present utility model is described in detail below with reference to the accompanying drawings.

[0022] like Figures 1 to 4 As shown, an embodiment of the present invention provides a UAV flight anti-collision device, comprising a main body 1, a protective arm 2, a positioning structure 3, a connecting block 4 and a connecting assembly 5. The four corners of the main body 1 are rotatably connected to the flight arms 101, and the tops of the four flight arms 101 are each provided with a spiral blade 102. The bottom of the main body 1 is fixedly connected to two sets of positioning structures 3, and the front and rear sides of the main body 1 are respectively plugged with protective arms 2. The bottoms of the two protective arms 2 are respectively fixedly connected to fixed plates 201, and the sides of the two fixing plates 201 close to each other are fixedly connected to the fixing blocks 201. 02, the surfaces of the two fixed blocks 202 are respectively provided with fixing grooves 203, and the tops of the two protective arms 2 away from each other are respectively fixedly connected with the first protective plates 204, and the two first protective plates 204 are respectively surrounded by the outer rings of the four spiral leaves 102, and the two first protective plates 204 are respectively fixedly connected with a plurality of spring rods 205 on the side away from each other, and the second protective plates 206 are correspondingly fixedly connected to the side of the plurality of spring rods 205 away from the main body 1, and the positioning structure 3 includes a connecting block 4 and a connecting component 5, and the connecting component 5 is arranged inside the connecting block 4.

[0023] refer to Figure 3 and Figure 4 The two connecting blocks 4 are respectively fixedly connected to the front and rear sides of the bottom of the main body 1. The two connecting blocks 4 are respectively provided with slots 6 on the sides away from each other. The two fixed blocks 202 are respectively inserted into the inner walls of the connecting blocks 4 through the slots 6. The bottoms of the two connecting blocks 4 are respectively provided with movable slots 7. The left and right sides of the inner walls of the two connecting blocks 4 are fixedly connected with movable rods 8.

[0024] The above solution is adopted: by setting the connecting block 4, the connecting block 4 and the connecting component 5 work together, and the protective arm 2 inserted into the main body 1 is fixed and limited by the fixing block 202, so that the two protective arms 2 can cooperate with the first protective plate 204 and the second protective plate 206 to protect the outer ring of the spiral blade 102, thereby reducing the risk of the spiral blade 102 being damaged by collision when the drone is flying.

[0025] refer to Figure 4 The connecting assembly 5 includes two limiting columns 9, which are respectively fixedly connected to the bottom of the inner wall of the connecting block 4, and two limiting arms 10 are respectively provided on the side of the two limiting columns 9 away from each other.

[0026] The above solution is adopted: by setting the limiting posts 9, the two limiting posts 9 can respectively limit the movement trajectory of the two limiting arms 10, so that the two limiting arms 10 can be respectively driven by the two limiting posts 9 to rotate during the movement process.

[0027] refer to Figure 4 The sides of the two limit arms 10 that are away from each other are respectively fitted with the surfaces of the two limit columns 9, and a limit block 11 is set at the bottom of the two limit arms 10. The ends of the two limit arms 10 close to the fixed plate 201 are respectively fixedly connected with a linkage rod 12, and the outer surfaces of the two linkage rods 12 are respectively sleeved with linkage arms 13.

[0028] The above solution is adopted: by setting the limit arm 10, the two limit arms 10 can be driven by the limit block 11 to move, thereby cooperating with the squeezing and driving of the two limit columns 9 to rotate relative to each other. The two limit arms 10 rotate and then respectively determine the two linkage rods 12 to move, thereby respectively driving the two linkage arms 13 to move away.

[0029] refer to Figure 3 and Figure 4 The top of the limit block 11 is rotatably connected to the middle of the two limit arms 10 through a rotating shaft. The bottom of the limit block 11 is fixedly connected to the limit rod 14. The bottom of the limit rod 14 extends and passes through the inner wall of the connecting block 4. The outer surface of the limit rod 14 is slidably connected to the inner wall of the movable groove 7.

[0030] The above solution is adopted: by setting the limit block 11 and the limit rod 14, the limit rod 14 can slide in the movable groove 7 and drive the limit block 11 to move synchronously, thereby driving the movement of the two limit arms 10 at the same time, and cooperating with the two limit columns 9 to drive the two limit arms 10 to rotate.

[0031] refer to Figure 4The middle of the two linkage arms 13 are respectively slidably connected to the surface of the moving rod 8, and the surfaces of the two linkage arms 13 are respectively provided with linkage grooves 15. The inner walls of the two linkage grooves 15 are respectively fitted with the outer surfaces of the two linkage rods 12. The two linkage arms 13 are fixedly connected to the limiting springs 16 on the sides away from each other, and the ends of the two limiting springs 16 away from each other are respectively fixedly connected to the inner wall of the connecting block 4. The two linkage arms 13 are respectively provided with positioning blocks 17 on the sides close to each other.

[0032] The above solution is adopted: by setting a linkage arm 13, the two linkage grooves 15 can be squeezed respectively during the movement of the two linkage rods 12, thereby driving the two linkage arms 13 to slide away on the surface of the moving rod 8, and at the same time compressing the two limit springs 16, the two linkage arms 13 move and respectively drive the two positioning blocks 17 to move away.

[0033] refer to Figure 4 The two positioning blocks 17 are respectively fixedly connected to the sides of the two linkage arms 13 that are close to each other, and the two positioning blocks 17 are respectively inserted into the fixing grooves 203.

[0034] The above solution is adopted: by setting the positioning block 17, the two positioning blocks 17 can be separated from the fixing groove 203 respectively when moving away, so as to release the fixed limit of the fixing block 202, and then the protective arm 2 can be pulled out of the main body 1, so that the protective arm 2 can be removed together with the first protective plate 204 and the second protective plate 206.

[0035] The working principle of this utility model:

[0036] When in use, the four flight arms 101 at the four corners of the main body 1 are unfolded, and then the limit rod 14 is pulled, and the limit rod 14 can slide in the moving groove 7 and drive the limit block 11 to move, so that the limit block 11 drives the two limit arms 10 to move at the same time. The two limit arms 10 are squeezed by the two limit columns 9 during the movement, so that the two limit arms 10 can rotate relative to each other when moving, so that the two limit arms 10 respectively drive the two linkage rods 12 to move away, and the two linkage rods 12 respectively squeeze the inner walls of the two linkage grooves 15 when moving, thereby driving the two linkage arms 13 to slide away on the surface of the moving rod 8, and at the same time squeeze the two limit springs 16 to compress. When the two linkage arms 13 slide, they respectively drive the two positioning blocks 17 to move away, and then the protective arm 2 can be It is inserted into the main body 1 and drives the fixing plate 201 to approach the connecting block 4, and at the same time drives the fixing block 202 to be inserted into the inner wall of the connecting block 4 through the slot 6, and then loosens the limit rod 14, so that the two limit springs 16 respectively push the two linkage arms 13 to slide close, and drive the two positioning blocks 17 to be respectively inserted into the fixing slots 203, so as to fix the fixing block 202 and fix the protective arm 2. Repeat this operation to fix and install the other protective arm 2, and then the drone can take off. During the flight of the drone, the two first protective plates 204 can respectively protect the outer ring of the spiral blade 102 to prevent collision, and the four second protective plates 206 protect the outer surface of the two first protective plates 204, and cooperate with the spring rod 205 to reduce collision damage during the flight of the drone.

[0037] To sum up: the UAV flight anti-collision device, through the coordinated work of the main body 1, the protective arm 2, the positioning structure 3, the connecting block 4 and the connecting component 5, solves the problem that if the UAV fails to accurately identify and avoid obstacles during flight, it may collide with these obstacles, causing damage to the UAV's propeller blades, resulting in insufficient lift and crashing of the UAV, causing direct economic losses.

[0038] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0039] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A UAV flight anti-collision device, comprising a main body (1), a protective arm (2), a positioning structure (3), a connecting block (4) and a connecting assembly (5), characterized in that: The four corners of the main body (1) are rotatably connected to flight arms (101), and the tops of the four flight arms (101) are each provided with a spiral blade (102). The bottom of the main body (1) is fixedly connected to two sets of positioning structures (3). The front and rear sides of the main body (1) are respectively plugged with protective arms (2), and the bottoms of the two protective arms (2) are respectively fixedly connected to fixed plates (201). The sides of the two fixed plates (201) close to each other are both fixedly connected to fixed blocks (202), and the surfaces of the two fixed blocks (202) are respectively provided with fixed grooves (203). The tops of the two protective arms (2) at one end away from each other are respectively fixedly connected to a first protective plate (204), the two first protective plates (204) respectively surround the outer rings of the four spiral leaves (102), the sides of the two first protective plates (204) away from each other are fixedly connected to a plurality of spring rods (205), and the sides of the plurality of spring rods (205) away from the main body (1) are correspondingly fixedly connected to a second protective plate (206), and the positioning structure (3) comprises a connecting block (4) and a connecting assembly (5), and the connecting assembly (5) is arranged inside the connecting block (4).

2. The UAV flight collision avoidance device according to claim 1, characterized in that: The two connecting blocks (4) are respectively fixedly connected to the front and rear sides of the bottom of the main body (1); a groove (6) is respectively provided on the side of the two connecting blocks (4) away from each other; the two fixing blocks (202) are respectively plugged into the inner wall of the connecting block (4) through the groove (6); a movable groove (7) is respectively provided on the bottom of the two connecting blocks (4); and movable rods (8) are fixedly connected to the left and right sides of the inner wall of the two connecting blocks (4).

3. The UAV flight collision avoidance device according to claim 1, characterized in that: The connecting assembly (5) comprises two limiting columns (9), the two limiting columns (9) are respectively fixedly connected to the bottom of the inner wall of the connecting block (4), and two limiting arms (10) are respectively provided on the sides of the two limiting columns (9) that are away from each other.

4. The UAV flight collision avoidance device according to claim 3, characterized in that: The sides of the two limiting arms (10) that are away from each other are respectively fitted with the surfaces of the two limiting columns (9); limiting blocks (11) are provided at the bottoms of the two limiting arms (10); one end of the two limiting arms (10) close to the fixed plate (201) is respectively fixedly connected to a linkage rod (12); and the outer surfaces of the two linkage rods (12) are respectively sleeved with linkage arms (13).

5. The UAV flight collision avoidance device according to claim 4, characterized in that: The top of the limit block (11) is rotatably connected to the middle of the two limit arms (10) via a rotating shaft, and the bottom of the limit block (11) is fixedly connected to the limit rod (14), the bottom of the limit rod (14) extends and passes through the inner wall of the connecting block (4), and the outer surface of the limit rod (14) is slidably connected to the inner wall of the movable groove (7).

6. The UAV flight collision avoidance device according to claim 4, characterized in that: The middle of the two linkage arms (13) are respectively slidably connected to the surface of the moving rod (8), and the surfaces of the two linkage arms (13) are respectively provided with linkage grooves (15). The inner walls of the two linkage grooves (15) are respectively fitted with the outer surfaces of the two linkage rods (12). The two linkage arms (13) are fixedly connected to the limiting springs (16) on the sides away from each other, and the ends of the two limiting springs (16) are respectively fixedly connected to the inner wall of the connecting block (4). The two linkage arms (13) are respectively provided with positioning blocks (17) on the sides close to each other.

7. The UAV flight collision avoidance device according to claim 6, characterized in that: The two positioning blocks (17) are respectively fixedly connected to the sides of the two linkage arms (13) that are close to each other, and the two positioning blocks (17) are respectively inserted into the fixing grooves (203).

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