Unmanned aerial vehicle low-altitude flight protection device

By designing a low-altitude flight protection device for drones and using mounting rings, connecting arms and protection components, the problem of collision damage during drone flight is solved, the fan blades and the body are protected, and the device is suitable for drones of various specifications and can be installed firmly and conveniently.

CN223355936UActive Publication Date: 2025-09-19SHANGHAI YINGYI ARCHITECTURAL PLANNING CO LTD
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Patent Information

Application Number
CN202422849784.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-09-19
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

Drones are easily damaged by collisions during flight, especially fan blades, and existing technologies lack effective protective measures.

Method used

A low-altitude flight protection device for UAVs was designed, which included a mounting ring, a connecting arm, a clamping arm, and a protection assembly. The device was fixed with bolts, rubber pads, and knobs to protect the UAV arms and body.

Benefits of technology

It effectively reduces damage to drones during collisions and is suitable for drones of various specifications. It is easy and secure to install, providing protection and cushioning for the fan blades and protecting the drone body.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a low-altitude flight protection device for an unmanned aerial vehicle, which is characterized by comprising a mounting ring positioned above a vehicle body, the connecting arms are located above the machine arms and comprise first connecting arms and second connecting arms, one ends of the first connecting arms are fixedly connected with the mounting ring, and the other ends of the first connecting arms are detachably connected with the second connecting arms; the clamping arms are located below the machine arms and comprise clamping arm bodies, one ends of the clamping arm bodies are fixedly connected with clamping pieces, and the clamping pieces are used for clamping the machine arms; the protection assembly comprises an ejector rod, the ejector rod is located on the side, away from the machine body, of the fan blade, and the ejector rod is fixedly connected with the end, away from the mounting ring, of the second connecting arm; the bottom rod is located below the top rod, and the bottom rod is fixedly connected with the end, away from the clamping piece, of the clamping arm body; and the vertical rods are fixedly connected between the top rod and the bottom rod. According to the utility model, the fan blades can be protected, so that the damage caused by collision in the flying process of the unmanned aerial vehicle is reduced.
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Description

Technical Field

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

[0002] Unmanned aerial vehicles (UAVs), also known as drones, are unmanned aerial vehicles controlled by radio remote control and self-contained programmable controls. They are currently widely used in fields such as aerial photography, agriculture, plant protection, micro selfies, express delivery, and disaster relief. A UAV typically consists of a body, multiple arms fixed to the outside of the body, and fans located at the top of the arms, facing away from the body. The fans on these arms propel the drone in flight.

[0003] During the flight of a drone, it is common for the drone to collide with external objects due to operator carelessness or airflow, especially collisions with the drone's fan blades, which can easily cause damage to the drone and make it unable to operate normally. Utility Model Content

[0004] The purpose of the utility model is to provide a low-altitude flight protection device for a UAV, which can protect the fan blades of the UAV and reduce the damage caused by collisions during the flight of the UAV.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A low-altitude flight protection device for unmanned aerial vehicles, comprising:

[0007] A mounting ring, located above the body of the drone;

[0008] A plurality of connecting arms, each corresponding to an arm of the drone and located above the arm of the drone, the connecting arms including a first connecting arm and a second connecting arm, one end of the first connecting arm being fixedly connected to the mounting ring, and the other end of the first connecting arm being detachably connected to the second connecting arm;

[0009] A plurality of clamping arms, each corresponding to a drone arm and located below the drone arm, each clamping arm comprising a clamping arm body, one end of each clamping arm body being fixedly connected to a clamping member for clamping the drone arm;

[0010] A protection component, comprising:

[0011] A push rod, which has an arc-shaped structure and is located on a side of the UAV fan blade away from the UAV body, and is fixedly connected to an end of the second connecting arm away from the mounting ring;

[0012] A bottom rod, which is an arc-shaped structure, is located below the top rod, and is fixedly connected to an end of the clamping arm body away from the clamping member;

[0013] A plurality of vertical rods are fixedly connected between the top rod and the bottom rod.

[0014] Furthermore, a slot is provided at one end of the first connecting arm away from the mounting ring, and a plurality of positioning through holes are provided on a side wall of the slot;

[0015] One end of the second connecting arm away from the ejector rod extends into the slot and is slidably connected to the slot, and a threaded mounting hole is provided on the second connecting arm;

[0016] Wherein, the first connecting arm and the second connecting arm are connected by bolts, and the bolts pass through one of the positioning through holes and are threadedly connected to the threaded mounting hole.

[0017] Furthermore, the clamping member includes:

[0018] A mounting block, the mounting block is fixedly connected to the clamping arm body, and a mounting groove is provided on the top of the mounting block;

[0019] a first screw, wherein both ends of the first screw are rotatably connected to the side walls of the mounting groove, the first screw comprising a first thread segment and a second thread segment, and the thread directions of the first thread segment and the second thread segment are opposite;

[0020] Two clamping blocks, the two clamping blocks are respectively located on both sides of the arm of the drone, and the two clamping blocks are respectively connected to the outside of the first threaded section of the first screw and the outside of the second threaded section of the first screw through threads;

[0021] A rotating rod, one end of which passes through the side wall of the mounting groove and is fixedly connected to one end of the first screw rod;

[0022] A first knob is fixedly connected to an end of the rotating rod away from the first screw rod.

[0023] Furthermore, a first rubber pad is fixedly connected to one side of the two clamping blocks facing each other. The first rubber pad is provided with a second through hole. The first rubber pad is sleeved on the outside of the first screw through the second through hole.

[0024] Furthermore, a first anti-slip pattern is provided on a side of the first rubber pad away from the clamping block.

[0025] Furthermore, a mounting post is provided inside the mounting ring, and a plurality of first connecting rods are fixedly connected between the mounting post and the mounting ring. The mounting post is provided with a threaded through hole, and a second screw is threadedly connected in the threaded through hole. The top of the second screw is fixedly connected to a second knob, and the bottom of the second screw is fixedly connected to a fixing block, and the fixing block is against the outer wall of the drone body.

[0026] Furthermore, the fixing block includes a fixing block body, a second rubber pad is fixedly connected to the bottom of the fixing block body, and the second rubber pad is against the outer wall of the drone body.

[0027] Furthermore, the bottom of the second rubber pad is provided with a second anti-slip pattern.

[0028] Furthermore, a rubber column is fixedly sleeved on the outside of the vertical rod.

[0029] Furthermore, a second connecting rod is fixedly connected between the two ends of the top rod and the second connecting arm, and a third connecting rod is fixedly connected between the two ends of the bottom rod and the clamping arm body.

[0030] Compared with the prior art, the beneficial effects of the present invention are:

[0031] 1. The utility model is provided with a protective component, which can protect the fan blades of the drone when the drone collides outdoors.

[0032] 2. The utility model can adjust the length of the connecting arm through the cooperation of the first connecting arm, the slot, the positioning through hole, the second connecting arm, the threaded mounting hole, and the bolt, thereby making the utility model applicable to drones of various specifications.

[0033] 3. The utility model rotates the first screw through the first knob to clamp the two clamping blocks on both sides of the drone's arm, thereby fixing the utility model on the drone and facilitating installation.

[0034] 4. The clamping block of the present invention is provided with a first rubber pad, which can protect the arm of the drone when the clamping block clamps the arm.

[0035] 5. The utility model rotates the second screw to make the fixing block rest against the outer wall of the drone body, thereby making the utility model more firmly installed.

[0036] 6. The fixing block of the present invention is provided with a second rubber pad, which can protect the body of the drone when the fixing block is against the outer wall of the drone.

[0037] 7. The rubber column sleeved on the outside of the vertical rod of the utility model can play a buffering role when the protective component collides with external objects. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a structural diagram of the utility model;

[0039] Figure 2 for Figure 1 A magnified view of point A;

[0040] Figure 3is a structural schematic diagram of the first connecting arm;

[0041] Figure 4 for Figure 1 Enlarged view of point B;

[0042] Figure 5 is a schematic structural diagram of the clamping member;

[0043] Figure 6 This is a structural diagram of the utility model from another perspective;

[0044] Figure 7 for Figure 6 Enlarged view of point C;

[0045] Figure 8 It is a structural diagram of the fixed block;

[0046] Figure 9 It is a structural schematic diagram of the protective component, the clamping arm, the second connecting arm, the second connecting rod, and the third connecting rod.

[0047] Figure 10 for Figure 9 Enlarged view of point D.

[0048] In the figure: 11, body; 12, arm; 13, fan blade; 21, mounting ring; 22, mounting column; 23, first connecting rod; 24, threaded through hole; 25, second screw; 26, second knob; 27, fixing block; 271, fixing block body; 272, second rubber pad; 2721, second anti-slip groove; 31, first connecting arm; 311, slot; 312, positioning through hole; 32, second connecting arm; 321, threaded mounting hole; 3 3. Bolt; 41. Clamping arm body; 42. Mounting block; 43. Mounting slot; 44. First screw rod; 441. First threaded section; 442. Second threaded section; 45. Clamping block; 46. Rotating rod; 47. First knob; 48. First rubber pad; 481. Second through hole; 482. First anti-slip groove; 5. Protective assembly; 51. Top rod; 52. Bottom rod; 53. Vertical rod; 54. Rubber column; 6. Second connecting rod; 7. Third connecting rod. DETAILED DESCRIPTION

[0049] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0050] See also Figure 1-10 , an embodiment provided by the utility model:

[0051] A low-altitude flight protection device for unmanned aerial vehicles, comprising:

[0052] A mounting ring 21, which is located above the body 11 of the drone;

[0053] A plurality of connecting arms, each corresponding to the drone's arm 12 and located above the drone's arm 12, including a first connecting arm 31 and a second connecting arm 32, wherein one end of the first connecting arm 31 is fixedly connected to the mounting ring 21, and the other end of the first connecting arm 31 is detachably connected to the second connecting arm 32;

[0054] A plurality of clamping arms, each corresponding to the drone's arm 12 and located below the drone's arm 12, each clamping arm comprising a clamping arm body 41, one end of the clamping arm body 41 being fixedly connected to a clamping member for clamping the drone's arm 12;

[0055] Protection component 5, protection component 5 includes:

[0056] The top rod 51 has an arc-shaped structure and is located on the side of the UAV blade 13 away from the UAV body 11. The top rod 51 is fixedly connected to the end of the second connecting arm 32 away from the mounting ring 21;

[0057] The bottom rod 52 is an arc-shaped structure. The bottom rod 52 is located below the top rod 51 and is fixedly connected to the end of the clamping arm body 41 away from the clamping member.

[0058] A plurality of vertical rods 53 are fixedly connected between the top rod 51 and the bottom rod 52 .

[0059] When the drone collides outdoors, the protection component 5 can protect the fan blades 13 of the drone.

[0060] Specifically, a slot 311 is provided at one end of the first connecting arm 31 away from the mounting ring 21 , and a plurality of positioning through holes 312 are provided on the side wall of the slot 311 ;

[0061] One end of the second connecting arm 32 away from the top rod 51 extends into the slot 311 and is slidably connected to the slot 311. The second connecting arm 32 is provided with a threaded mounting hole 321.

[0062] The first connecting arm 31 and the second connecting arm 32 are connected by a bolt 33 , and the bolt 33 passes through one of the positioning through holes 312 and is threadedly connected to the threaded mounting hole 321 .

[0063] The position of the second connecting arm 32 in the slot 311 is adjusted, and the bolt 33 is threadedly connected through the positioning through hole 312 and the threaded mounting hole 321 to connect the first connecting arm 31 and the second connecting arm 32. The length of the connecting arm can be adjusted by threading the bolt 33 through the positioning through hole 312 at different positions and the threaded mounting hole 321, so that the present invention is applicable to drones of various specifications.

[0064] Specifically, the clamping member includes:

[0065] A mounting block 42, the mounting block 42 is fixedly connected to the clamping arm body 41, and a mounting groove 43 is provided on the top of the mounting block 42;

[0066] A first screw 44, both ends of which are rotatably connected to the side walls of the mounting groove 43, the first screw 44 comprising a first threaded section 441 and a second threaded section 442, the thread directions of the first threaded section 441 and the second threaded section 442 being opposite;

[0067] Two clamping blocks 45 are located on both sides of the drone arm 12. The two clamping blocks 45 are respectively threadedly connected to the outside of the first threaded segment 441 of the first screw 44 and the outside of the second threaded segment 442 of the first screw 44. The two clamping blocks 45 are also slidably connected to the inner wall of the mounting groove 43;

[0068] A rotating rod 46, one end of which passes through the side wall of the mounting groove 43 and is fixedly connected to one end of the first screw rod 44;

[0069] The first knob 47 is fixedly connected to an end of the rotating rod 46 away from the first screw rod 44 .

[0070] By rotating the first knob 47 to drive the first screw 44 to rotate, the two clamping blocks 45 move along the first screw 44, so that the two clamping blocks 45 can be clamped on both sides of the drone's arm 12 respectively, thereby fixing the utility model on the drone.

[0071] Specifically, a first rubber pad 48 is fixedly connected to one side of each clamping block 45 facing each other. The first rubber pad 48 has a second through-hole 481, and the first rubber pad 48 is sleeved on the outside of the first screw 44 through the second through-hole 481. The first rubber pad 48 can protect the drone arm 12 when the clamping block 45 clamps the drone arm 12.

[0072] Specifically, a first anti-slip groove 482 is provided on a side of the first rubber pad 48 away from the clamping block 45 .

[0073] Specifically, a mounting post 22 is provided inside the mounting ring 21. A plurality of first connecting rods 23 are fixedly connected between the mounting post 22 and the mounting ring 21. The mounting post 22 is provided with a threaded through-hole 24, into which a second screw 25 is threadedly connected. A second knob 26 is fixedly connected to the top of the second screw 25, and a fixing block 27 is fixedly connected to the bottom of the second screw 25. The fixing block 27 abuts against the outer wall of the drone body 11. By rotating the second screw 25 with the second knob 26, the fixing block 27 abuts against the outer wall of the drone body 11, thereby making the installation of the present invention more secure.

[0074] Specifically, the fixing block 27 includes a fixing block body 271. A second rubber pad 272 is fixedly connected to the bottom of the fixing block body 271. The second rubber pad 272 abuts against the outer wall of the drone body 11. The second rubber pad 272 can protect the drone body 11 when the fixing block 27 abuts against the outer wall of the drone body 11.

[0075] Specifically, a second anti-slip pattern 2721 is provided on the bottom of the second rubber pad 272 .

[0076] Specifically, a rubber column 54 is fixedly sleeved on the outside of the vertical rod 53. The rubber column 54 can play a buffering role when the protective component 5 collides with an external object.

[0077] Specifically, the second connecting rods 6 are fixedly connected between the two ends of the top rod 51 and the second connecting arm 32 , and the third connecting rods 7 are fixedly connected between the two ends of the bottom rod 52 and the clamping arm body 41 .

[0078] Working principle: When the present invention is in use, the second connecting arm 32 is inserted into the slot 311 of the first connecting arm 31, and the position of the second connecting arm 32 in the slot 311 is adjusted according to the specifications of the drone. The bolt 33 passes through the positioning through hole 312 and is threadedly connected to the threaded mounting hole 321 to connect the first connecting arm 31 to the second connecting arm 32; rotating the first knob 47 drives the first screw 44 to rotate, so that the two clamping blocks 45 are respectively clamped on both sides of the drone's arm 12; rotating the second knob 26 drives the second screw 25 to rotate, so that the fixing block 27 rests on the outer wall of the drone's body 11, so that the present invention can be installed on the drone; when the drone collides outdoors, the protective component 5 can protect the fan blades 13 of the drone; the rubber column 54 sleeved on the outside of the vertical rod 53 can play a buffering role when the protective component 5 collides with external objects.

[0079] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A low-altitude flight protection device for unmanned aerial vehicles, characterized in that: include: A mounting ring, located above the body of the drone; A plurality of connecting arms, each corresponding to an arm of the drone and located above the arm of the drone, the connecting arms including a first connecting arm and a second connecting arm, one end of the first connecting arm being fixedly connected to the mounting ring, and the other end of the first connecting arm being detachably connected to the second connecting arm; A plurality of clamping arms, each corresponding to a drone arm and located below the drone arm, each clamping arm comprising a clamping arm body, one end of each clamping arm body being fixedly connected to a clamping member for clamping the drone arm; A protection component, comprising: A push rod, which has an arc-shaped structure and is located on a side of the UAV fan blade away from the UAV body, and is fixedly connected to an end of the second connecting arm away from the mounting ring; A bottom rod, which is an arc-shaped structure, is located below the top rod, and is fixedly connected to an end of the clamping arm body away from the clamping member; A plurality of vertical rods are fixedly connected between the top rod and the bottom rod.

2. The UAV low-altitude flight protection device according to claim 1 is characterized in that: A slot is provided at one end of the first connecting arm away from the mounting ring, and a plurality of positioning through holes are provided on the side wall of the slot; One end of the second connecting arm away from the ejector rod extends into the slot and is slidably connected to the slot, and a threaded mounting hole is provided on the second connecting arm; Wherein, the first connecting arm and the second connecting arm are connected by bolts, and the bolts pass through one of the positioning through holes and are threadedly connected to the threaded mounting hole.

3. The UAV low-altitude flight protection device according to claim 1, characterized in that: The clamping member comprises: A mounting block, the mounting block is fixedly connected to the clamping arm body, and a mounting groove is provided on the top of the mounting block; a first screw, wherein both ends of the first screw are rotatably connected to the side walls of the mounting groove, the first screw comprising a first thread segment and a second thread segment, and the thread directions of the first thread segment and the second thread segment are opposite; Two clamping blocks, the two clamping blocks are respectively located on both sides of the arm of the drone, and the two clamping blocks are respectively connected to the outside of the first threaded section of the first screw and the outside of the second threaded section of the first screw through threads; A rotating rod, one end of which passes through the side wall of the mounting groove and is fixedly connected to one end of the first screw rod; A first knob is fixedly connected to an end of the rotating rod away from the first screw rod.

4. The UAV low-altitude flight protection device according to claim 3 is characterized in that: A first rubber pad is fixedly connected to one side of the two clamping blocks that is opposite to each other. The first rubber pad is provided with a second through hole. The first rubber pad is sleeved on the outside of the first screw through the second through hole.

5. The UAV low-altitude flight protection device according to claim 4 is characterized in that: A first anti-slip pattern is provided on a side of the first rubber pad away from the clamping block.

6. The UAV low-altitude flight protection device according to claim 1, characterized in that: A mounting post is provided inside the mounting ring, and a plurality of first connecting rods are fixedly connected between the mounting post and the mounting ring. The mounting post is provided with a threaded through hole, and a second screw is threadedly connected in the threaded through hole. The top end of the second screw is fixedly connected to a second knob, and the bottom of the second screw is fixedly connected to a fixing block, and the fixing block is against the outer wall of the drone body.

7. The UAV low-altitude flight protection device according to claim 6, characterized in that: The fixing block includes a fixing block body. A second rubber pad is fixedly connected to the bottom of the fixing block body. The second rubber pad is against the outer wall of the drone.

8. The UAV low-altitude flight protection device according to claim 7, characterized in that: The bottom of the second rubber pad is provided with a second anti-slip pattern.

9. The UAV low-altitude flight protection device according to claim 1, characterized in that: A rubber column is fixedly sleeved on the outside of the vertical rod.

10. The UAV low-altitude flight protection device according to claim 1, characterized in that: A second connecting rod is fixedly connected between the two ends of the top rod and the second connecting arm, and a third connecting rod is fixedly connected between the two ends of the bottom rod and the clamping arm body.