Folding arm device for unmanned aerial vehicle

By designing ejection components and locking mechanisms on the drone, the problem of time-consuming and laborious folding and unfolding of the drone arms has been solved, enabling rapid folding and unfolding and improving portability and storage efficiency.

CN223591011UActive Publication Date: 2025-11-25GUANGDONG LINGCHUANG ELECTRIC POWER ENERGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520039006.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-08
Publication Date
2025-11-25
Estimated Expiration
2035-01-08

AI Technical Summary

Technical Problem

Existing drone arms are time-consuming and labor-intensive to fold and unfold, and are prone to loosening when carried, affecting portability and storage efficiency.

Method used

Design a folding arm device for unmanned aerial vehicles (UAVs), which adopts a catapult assembly and a locking mechanism. The arm can be quickly folded and unfolded by a catapult plate and a push spring, and the arm can be fixed by the cooperation of a locking rod and a locking block.

Benefits of technology

It enables the rapid folding and unfolding of the drone's arms, improving portability and storage efficiency, and preventing the arms from becoming loose when carried.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223591011U_ABST
    Figure CN223591011U_ABST
Patent Text Reader

Abstract

The utility model discloses a folding arm device for unmanned aerial vehicle, including unmanned aerial vehicle main part, connecting part, flying part, ejection subassembly and locking mechanism, connecting part is provided the both ends of unmanned aerial vehicle main part, flying part is provided the connecting part far away one end of unmanned aerial vehicle main part, the flying part is used for realizing unmanned aerial vehicle main part flight. According to the unmanned aerial vehicle, the ejection assembly and the locking mechanism are arranged on one side of the unmanned aerial vehicle body, an operator can slide to the bottom of the locking rod through the locking blocks on the outer walls of the main vehicle arm and the auxiliary vehicle arm when folding the main vehicle arm and the auxiliary vehicle arm, and the locking rod can fixedly lock the locking blocks through elastic force; and meanwhile, folding of the main machine arm and the auxiliary machine arm is blocked, the main machine arm and the auxiliary machine arm can be prevented from loosening during carrying by locking the positions of the main machine arm and the auxiliary machine arm, and when an operator unfolds the main machine arm and the auxiliary machine arm, the locking rod needs to be manually pulled, and the locking rod can pull out the locking block to make contact with the blocking lock.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of folding machine arm for unmanned plane, especially relates to a folding machine arm device for unmanned plane. BACKGROUND

[0002] Foldable unmanned plane refers to those unmanned planes designed with foldable machine arms. This design is mainly aimed at the needs of portability and storage efficiency, especially in the case of transportation in a small space or rapid deployment at different locations.

[0003] The current unmanned plane is provided with a hinge mechanism on both sides, and the machine arm of the unmanned plane can be folded at both sides of the unmanned plane through the hinge mechanism. Each machine arm is not fixed after folding, and the machine arm will be loose and unfolded in shaking when carrying. The hinge mechanism includes a hinge seat and a hinge groove. When the operator uses and unfolds the machine arm, each machine arm needs to be individually turned over through the hinge seat and the hinge groove, and the unfolding of the machine arm is realized by turning over. In order to protect the rotating leaves on one side of each machine arm from being intertwined, the operator needs to disassemble each rotating leaf. The process of unfolding and folding the machine arm is time-consuming and laborious. Therefore, a folding machine arm device for unmanned plane is designed. SUMMARY

[0004] The utility model aims at providing a folding machine arm device for unmanned plane to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a folding machine arm device for unmanned plane, comprising an unmanned plane main body;

[0006] A connecting part is arranged at both ends of the unmanned plane main body;

[0007] A flight part is arranged at one end of the connecting part away from the unmanned plane main body, and the flight part is used to realize the flight of the unmanned plane main body;

[0008] A launching assembly is arranged on the outer wall of the unmanned plane main body;

[0009] A locking mechanism is arranged at the top end of the launching assembly.

[0010] Preferably, the connecting part comprises:

[0011] A hinge frame is arranged on the outer wall of the unmanned plane main body;

[0012] A main machine arm is hinged to the inner wall of the plurality of hinge frames.

[0013] Preferably, one end of the unmanned aerial vehicle body away from the hinged frame is provided with an unmanned aerial vehicle head, the outer wall of the unmanned aerial vehicle head is provided with a plurality of connecting grooves, the inner wall of the plurality of connecting grooves is hinged with a plurality of auxiliary machine arms, and the flight components are arranged at the end of the auxiliary machine arm and the main machine arm away from the unmanned aerial vehicle body.

[0014] Preferably, the flight components comprise:

[0015] The main rotating blade is arranged at the end of the main machine arm away from the unmanned aerial vehicle body.

[0016] The auxiliary rotating blade is arranged at the end of the auxiliary machine arm away from the unmanned aerial vehicle head, and the ejection assembly is arranged on the outer wall of the unmanned aerial vehicle body and located at the end close to the main machine arm.

[0017] Preferably, the ejection assembly comprises:

[0018] The fixed frame is arranged on the outer wall of the unmanned aerial vehicle body and located at the end close to the main machine arm, and the inner wall of the fixed frame is provided with a movable groove.

[0019] The push spring is sleeved on the inner wall of the movable groove.

[0020] The ejection plate is arranged at the end of the push spring close to the fixed frame, and the locking mechanism is arranged on the outer wall of the main machine arm and the auxiliary machine arm.

[0021] Preferably, the locking mechanism comprises:

[0022] The locking rod is arranged at the top end of the fixed frame.

[0023] The locking block is arranged on the outer wall of the main machine arm and the auxiliary machine arm.

[0024] Preferably, the top end of the locking rod is provided with a pulling block, and the end of the main machine arm and the auxiliary machine arm close to the locking block is provided with a pressing plate.

[0025] The technical effects and advantages of the utility model are as follows:

[0026] The utility model discloses a utility model discloses a kind of folding arm devices for unmanned aerial vehicle, including unmanned aerial vehicle main body 1, fixed frame 4, locking rod 5, push spring 402, ejector plate 403, locking block 502, extrusion plate 501, locking block 502, extrusion plate 501, locking rod 5, push spring 402, fixed frame 4, unmanned aerial vehicle main body 1. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the schematic diagram of the main body structure of the utility model.

[0028] Figure 2 It is the top view of the main body structure of the utility model.

[0029] Figure 3 It is the side view of the main body structure of the utility model.

[0030] Figure 4 It is the side sectional view of the fixed frame and push spring connecting structure of the utility model.

[0031] In the drawing: 1, unmanned aerial vehicle main body;101, unmanned aerial vehicle head;2, connecting portion;201, hinged frame;202, connecting groove;203, main arm;204, auxiliary arm;3, flight component;301, main rotating blade;302, auxiliary rotating blade;4, fixed frame;401, movable slot;402, push spring;403, ejector plate;5, locking rod;501, extrusion plate;502, locking block;503, pull block. DETAILED DESCRIPTION

[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0033] The utility model provides as shown in Figures 1-4

[0034] Embodiment one

[0035] A kind of folding arm device for unmanned aerial vehicle, including unmanned aerial vehicle main body 1;

[0036] ​The connecting part 2 is arranged at both ends of the unmanned aerial vehicle body 1.

[0037] The flight part 3 is arranged at one end of the connecting part 2 away from the unmanned aerial vehicle body 1, and the flight part 3 is used to realize the flight of the unmanned aerial vehicle body 1.

[0038] The ejection assembly is arranged on the outer wall of the unmanned aerial vehicle body 1.

[0039] The locking mechanism is arranged at the top end of the ejection assembly.

[0040] Specifically, the connecting part 2 comprises:

[0041] The articulated frame 201 is arranged on the outer wall of the unmanned aerial vehicle body 1.

[0042] The main machine arm 203 is hinged to the inner wall of the articulated frame 201, and one end of the unmanned aerial vehicle body 1 away from the articulated frame 201 is provided with the unmanned aerial vehicle head 101, the outer wall of the unmanned aerial vehicle head 101 is provided with a plurality of connecting grooves 202, and the inner wall of the connecting groove 202 is hinged with a plurality of auxiliary machine arms 204, and the flight part 3 is arranged at one end of the auxiliary machine arm 204 and the main machine arm 203 away from the unmanned aerial vehicle body 1.

[0043] It should be noted that the working principle of the main machine arm 203 and the auxiliary machine arm 204 refers to the main rod part of the unmanned aerial vehicle of model DJI Mini4Pro, and the main machine arm 203 can be flipped through the articulated frame 201, and the auxiliary machine arm 204 is flipped through the connecting groove 202.

[0044] Embodiment two:

[0045] The flight part 3 is applied to the folding machine arm device in embodiment one.

[0046] Specifically, the flight part 3 comprises:

[0047] The main rotating blade 301 is arranged at one end of the main machine arm 203 away from the unmanned aerial vehicle body 1.

[0048] The auxiliary rotating blade 302 is arranged at one end of the auxiliary machine arm 204 away from the unmanned aerial vehicle head 101, and the ejection assembly is arranged on the outer wall of the unmanned aerial vehicle body 1 and located at one end close to the main machine arm 203.

[0049] It should be noted that the working principle of the main rotating blade 301 and the auxiliary rotating blade 302 refers to the flight operation part of the DJI Mini4Pro unmanned aerial vehicle. The main rotating blade 301 and the auxiliary rotating blade 302 are arranged at the output end positions of the main arm 203 and the auxiliary arm 204. The main rotating blade 301 and the auxiliary rotating blade 302 are each provided with a brushless motor at the bottom. The main rotating blade 301 and the auxiliary rotating blade 302 can rotate through the brushless motor. The flight of the unmanned aerial vehicle body 1 is realized through the rotation of the main rotating blade 301 and the auxiliary rotating blade 302.

[0050] Specifically, the fixed frame 4 is arranged on the outer wall of the unmanned aerial vehicle body 1 and located at one end close to the main arm 203. The inner wall of the fixed frame 4 is provided with a movable groove 401.

[0051] The push spring 402 is sleeved on the inner wall of the movable groove 401.

[0052] The ejection plate 403 is arranged at one end of the push spring 402 close to the fixed frame 4. The locking mechanism is arranged on the outer wall of the main arm 203 and the auxiliary arm 204. The locking mechanism comprises:

[0053] The locking rod 5 is arranged at the top end of the fixed frame 4.

[0054] The locking block 502 is arranged on the outer wall of the main arm 203 and the auxiliary arm 204. The top end of the locking rod 5 is provided with a pull block 503. The main arm 203 and the auxiliary arm 204 are each provided with a pressing plate 501 at one end close to the locking block 502.

[0055] It should be noted that the fixed frame 4 is fixedly connected to the two sides of the unmanned aerial vehicle body 1. When the operator folds the main arm 203 and the auxiliary arm 204, the pressing plate 501 of the main arm 203 and the auxiliary arm 204 will first press the outer wall of the ejection plate 403. Then, the ejection plate 403 is pressed and pushes the push spring 402. The push spring 402 is deformed by the force and is pressed in the inner wall of the movable groove 401. The connection between the locking rod 5 and the fixed frame 4 is also provided with a push spring 402. When the main arm 203 and the auxiliary arm 204 press the ejection plate 403, the locking block 502 at the top end of the main arm 203 and the auxiliary arm 204 will press the locking rod 5. The locking rod 5 will be pushed to the top end of the fixed frame 4 under the force. When the locking slot at the top end of the locking block 502 slides to the bottom end of the locking rod 5, the locking rod 5 will be ejected to the inner wall of the locking slot by the elastic force to lock the locking block 502 and the main arm 203 and the auxiliary arm 204. When the operator pulls the pull block 503, the pull block 503 pulls the locking rod 5, so that the locking rod 5 leaves the locking slot. At this time, the main arm 203 and the auxiliary arm 204 are in contact and locked. The pressing plate 501 will also be pushed by the push spring 402 and the ejection plate 403. Finally, the main arm 203 and the auxiliary arm 204 are synchronously unfolded.

[0056] The utility model discloses working principle:

[0057] The specific operation is, the operator can drive the main rotating vane 301 to overturn by the hinge of the hinge frame 201 when folding the main machine arm 203 and the auxiliary machine arm 204, the auxiliary machine arm 204 is overturned by the hinge of the connecting groove 202, the main machine arm 203 and the auxiliary machine arm 204 are overturned to the inside of the fixed frame 4 by the hinge frame 201, and the main machine arm 203 and the auxiliary machine arm 204 are extruded and ejected by the extrusion plate 501 of the outer wall and the ejection plate 403, the ejection plate 403 is extruded and pushed by the stress spring 402, the stress spring 402 is compressed in the inner wall of the movable groove 401, the locking block 502 at the top of the main machine arm 203 and the auxiliary machine arm 204 pushes the locking rod 5, and sliding in the bottom of the locking rod 5 is realized, when the inside of the locking block 502 slides to the bottom end of the locking rod 5, the locking rod 5 is ejected to the inner wall of the locking block 502, the main machine arm 203 and the auxiliary machine arm 204 can be fixed in the inside of the fixed frame 4 by the connection between the locking rod 5 and the locking block 502, when the operator needs to unfold the main machine arm 203 and the auxiliary machine arm 204 and flies, the operator can manually pull the pull block 503, the pull block 503 drives the locking rod 5 to slide, when the locking rod 5 pulls out the inner wall of the locking block 502, the ejection plate 403 is pushed by the elastic force of the push spring 402, the ejection plate 403 pushes the extrusion plate 501, the extrusion plate 501 drives the main machine arm 203 and the auxiliary machine arm 204 to eject the inner wall of the fixed frame 4, then the operator unfolds the main machine arm 203 and the auxiliary machine arm 204 and overturns to the original position, and the flight of the unmanned aerial vehicle main body 1 can be realized by rotating the main rotating vane 301 and the auxiliary rotating vane 302.

[0058] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiment, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A folding arm device for a drone, characterized in that, The utility model relates to a kind of unmanned aerial vehicle, including: Unmanned aerial vehicle body (1); Connecting portion (2), the connecting portion (2) is provided at both ends of unmanned aerial vehicle body (1); Flight component (3), the flight component (3) is provided at the end of connecting portion (2) away from unmanned aerial vehicle body (1), and the flight component (3) is used to realize unmanned aerial vehicle body (1) flight; Ejection assembly, the ejection assembly is provided on the outer wall of unmanned aerial vehicle body (1); Locking mechanism, the locking mechanism is provided at the top end of ejection assembly.

2. The folding arm device for a drone according to claim 1, wherein, The connecting portion (2) includes: Hinged frame (201), a plurality of hinged frame (201) is provided on the outer wall of unmanned aerial vehicle body (1); Main machine arm (203), the main machine arm (203) is hinged in the inner wall of multiple hinged frame (201).

3. The folding arm device for a drone according to claim 2, wherein, The end of the unmanned aerial vehicle body (1) away from the hinged frame (201) is provided with unmanned aerial vehicle head (101), the outer wall of unmanned aerial vehicle head (101) is provided with multiple connecting grooves (202), the inner wall of multiple connecting grooves (202) is hinged with multiple auxiliary machine arms (204), and the flight component (3) is all arranged at the end of auxiliary machine arm (204) and main machine arm (203) away from unmanned aerial vehicle body (1).

4. The folding arm device for a drone according to claim 3, wherein, The flight component (3) includes: Main rotating blade (301), the main rotating blade (301) is provided at the end of main machine arm (203) away from unmanned aerial vehicle body (1); Auxiliary rotating blade (302), the auxiliary rotating blade (302) is provided at the end of auxiliary machine arm (204) away from unmanned aerial vehicle head (101), and the ejection assembly is provided on the outer wall of unmanned aerial vehicle body (1) and is located at the end close to main machine arm (203).

5. The folding arm device for a drone according to claim 4, wherein, The ejection assembly includes: Fixed frame (4), the fixed frame (4) is provided on the outer wall of unmanned aerial vehicle body (1) and is located at the end close to main machine arm (203), and the inner wall of fixed frame (4) is provided with movable slot (401); Push spring (402), the push spring (402) is sleeved on the inner wall of movable slot (401); Ejection plate (403), the ejection plate (403) is provided at the end of push spring (402) close to fixed frame (4), and the locking mechanism is provided on the outer wall of main machine arm (203) and auxiliary machine arm (204).

6. The folding arm device for a drone according to claim 5, wherein, The locking mechanism includes: Locking rod (5), the locking rod (5) is provided at the top end of fixed frame (4); Locking block (502), multiple locking blocks (502) are all provided on the outer wall of main machine arm (203) and auxiliary machine arm (204).

7. The folding arm device for a drone according to claim 6, wherein, The top end of the locking rod (5) is provided with pull block (503), and the end of multiple main machine arms (203) and auxiliary machine arms (204) close to locking block (502) is all provided with extrusion plate (501).