A folding structure suitable for a multi-rotor unmanned aerial vehicle arm

Abstract

The application discloses a folding structure suitable for a multi-rotor unmanned aerial vehicle arm, and belongs to the unmanned aerial vehicle field.The folding structure comprises a connecting end used for fixing an unmanned aerial vehicle body, and a folding piece rotatably installed on the connecting end and used for supporting the unmanned aerial vehicle arm.The folding piece comprises a connecting part in a tubular design and used for inserting the unmanned aerial vehicle arm; an opposite connecting part is fixedly installed on one end of the connecting part, away from the unmanned aerial vehicle arm, and is inserted into and hinged to the mounting part; the connecting end comprises a fixed part fixedly installed on the unmanned aerial vehicle body; the fixed part is provided with a mounting part in a U-shaped design and fixedly installed on one end, away from the unmanned aerial vehicle body; and a mounting seat is fixedly installed on the outer side wall of the mounting part.The folding structure is characterized in that the unmanned aerial vehicle arm is rotated to a right angle state with the unmanned aerial vehicle body; at this time, a pull rod is pulled to one end, away from the mounting seat, of a fixed rod; the end of the fixed rod is clamped to a first clamping seat; locking is completed; the contraction of the unmanned aerial vehicle arm is completed; the space occupation is reduced; and transportation is facilitated.

Description

Technical Field

[0001] This application relates to the field of unmanned aerial vehicle (UAV) technology, specifically a folding structure suitable for the arm of a multi-rotor UAV. Background Technology

[0002] Unmanned aerial vehicles (UAVs), also known as drones, are unmanned aircraft controlled by radio remote control equipment and their own programmed control devices. The term "UAV" is actually a general term for unmanned aerial vehicles, which, from a technical perspective, can be categorized as: unmanned fixed-wing aircraft, unmanned vertical takeoff and landing aircraft, unmanned airships, unmanned helicopters, unmanned multi-rotor aircraft, and unmanned paragliders, among others. Compared to manned aircraft, they have advantages such as smaller size, lower cost, and ease of use.

[0003] A drone typically consists of a fuselage, a power system, rotors, and arms. The drone arms are the key components that connect the fuselage to the motors / rotors, and they are responsible for supporting the power system, transmitting lift, and ensuring flight stability.

[0004] The robotic arms commonly used in existing technologies are usually fixed robotic arms. When the robotic arms are extended, they take up a lot of space, are inconvenient to transport, and are prone to collision damage.

[0005] Therefore, this application provides a folding structure suitable for the arm of a multi-rotor UAV to solve the above problems. Utility Model Content

[0006] This application provides a folding structure suitable for the arm of a multi-rotor drone, aiming to solve the problems mentioned in the background art, such as the inconvenience of transporting existing fixed and deployable drone arms.

[0007] To achieve the above objectives, this application provides the following technical solution: a folding structure suitable for the arm of a multi-rotor drone, comprising a connecting end for fixing to the drone body and a folding component rotatably mounted on the connecting end for supporting the drone arm.

[0008] The connecting end includes a fixing part fixedly installed on the drone body. A U-shaped mounting part is fixedly installed on the fixing part at one end away from the drone body. A mounting seat is fixedly installed on the outer wall of the mounting part. A fixing rod is hinged in the mounting seat at one end away from the fixing part.

[0009] The folding component includes a tubular connecting part for inserting a drone arm. A mating part, hinged to the mounting part and inserted into it, is fixedly installed at one end of the connecting part away from the drone arm. A first and a second locking seat are fixedly installed at both ends of the outer wall of the connecting part. The first locking seat is located near the end of the connecting part, and a pull rod is hinged to the middle of the outer wall of the fixing rod on the first locking seat. The first and second locking seats engage with the fixing rod. In use, the fixing part is installed on the drone body, the mating part is installed in the mounting part, and then the drone arm is installed in the connecting part, completing the assembly. During use, rotating the mating part causes the connecting part to rotate until the connecting part rotates the drone arm to a right angle with the drone body. At this point, the pull rod is pulled to the end of the fixing rod away from the mounting seat, and the end of the fixing rod engages with the first locking seat, locking the drone arm and retracting it, reducing space occupation and facilitating transportation.

[0010] The rotating docking section causes the connecting part to rotate the drone arm to a horizontal position with the drone body. At this time, the pull rod is pulled to the fixed rod near the mounting base. The end of the fixed rod is engaged with the second bracket, which completes the support of the drone arm and ensures stable flight operation.

[0011] Preferably, in order to change the state, the end of the fixed rod away from the mounting base is provided with a J-shaped locking protrusion. The locking protrusion is adapted to the first locking base and the second locking base, so that the drone arm can adapt to two different folding forms and ensure stability.

[0012] Preferably, in order to engage the first card holder, the first card holder has a first card slot that matches the card protrusion. The card protrusion engages with the first card slot to provide stable support for the equipment components and ensure stable and reliable operation.

[0013] Preferably, in order to engage the second card holder, the second card holder has a second card slot adapted to the card protrusion. The card protrusion engages with the second card slot, which greatly reduces space occupation and facilitates transportation.

[0014] Preferably, for ease of operation, a groove is provided at the end of the fixed rod away from the mounting base. A positioning seat is fixedly installed on the fixed rod at the groove. A sealing plate is fixedly installed on the positioning seat by bolts. The groove passes through the positioning seat and the sealing plate. An adjustment cavity is provided between the positioning seat and the sealing plate. A slider is fixedly installed on the latch protrusion and slidably installed in the adjustment cavity. A spring cavity is provided on the slider. A spring is inserted into the spring cavity and abuts against the inner wall of the adjustment cavity to ensure convenient and quick connection.

[0015] Preferably, to prevent accidental opening, an adjusting block is fixedly installed on the outer wall of the slider and slidably installed in the groove. The outer wall of the adjusting block is provided with anti-slip texture to prevent it from popping open due to vibration during flight or transportation, or due to accidental contact on the ground.

[0016] This folding structure involves installing the fixing part on the drone body, installing the docking part inside the mounting part, and then installing the drone arm inside the connecting part to complete the assembly of the equipment. In use, by rotating the docking part, the docking part drives the connecting part to rotate until the connecting part drives the drone arm to rotate to a right angle with the drone body. At this time, the pull rod is pulled to the end of the fixing rod away from the mounting seat, and the end of the fixing rod engages with the first locking seat to complete the locking and retraction of the drone arm, reducing space occupation and facilitating transportation.

[0017] This folding structure involves fitting the sealing plate onto the slider through a slot, inserting a spring into the spring cavity, and then installing the slider into the positioning seat. The spring cavity abuts against the inner end of the sealing plate, and the sealing plate and positioning seat are then fixed with bolts, allowing the slider to be installed in the adjustment cavity. Sliding the slider within the adjustment cavity allows for the adjustment of the movement of the locking protrusion, enabling the adjustment of the connection between the locking protrusion and the first and second locking slots when switching connection states. The spring pushes the slider, causing the locking protrusion to press tightly against the first and second locking slots, ensuring convenient and quick connection. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the horizontal state structure of a folding structure suitable for the arm of a multi-rotor UAV.

[0019] Figure 2 A schematic diagram of the bottom structure of a folding structure suitable for the arm of a multi-rotor UAV;

[0020] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0021] Figure 4 A schematic diagram of a horizontal cross-sectional structure of a folding structure suitable for the arm of a multi-rotor UAV;

[0022] Figure 5 for Figure 4 Enlarged view of point B in the middle;

[0023] Figure 6 This is a schematic diagram of the vertical state structure of a folding structure suitable for the arm of a multi-rotor UAV.

[0024] Figure 7 This is a schematic diagram of the vertical cross-sectional structure of a folding structure suitable for the arm of a multi-rotor UAV.

[0025] Figure 8 for Figure 7Enlarged diagram of point C in the middle.

[0026] In the picture:

[0027] 1. UAV body; 2. Connecting end; 21. Fixing part; 22. Mounting part; 23. Mounting seat; 24. Fixing rod; 25. Locking protrusion; 26. Slide groove; 27. Positioning seat; 28. Sealing plate; 29. ​​Adjustment cavity; 210. Slider; 211. Spring cavity; 212. Spring; 213. Adjusting block; 214. Anti-slip texture; 3. UAV arm; 4. Folding part; 41. Connecting part; 42. Docking part; 43. First locking seat; 44. Second locking seat; 45. First slot; 46. Second slot; 47. Pull rod. Detailed Implementation

[0028] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0029] Example 1

[0030] This embodiment provides a folding structure suitable for the arm of a multi-rotor drone, such as... Figure 1-8 As shown, the folding structure includes a connecting end 2 for fixing to the drone body 1, and a folding piece 4 rotatably mounted on the connecting end 2 for supporting the drone arm 3.

[0031] The connecting end 2 includes a fixing part 21 fixedly installed on the drone body 1. A U-shaped mounting part 22 is fixedly installed on the fixing part 21 at one end away from the drone body 1. A mounting seat 23 is fixedly installed on the outer wall of the mounting part 22. A fixing rod 24 is hinged in the mounting seat 23 at one end away from the fixing part 21.

[0032] The folding component 4 includes a tubular connecting part 41 for inserting into the drone arm 3. A docking part 42 is fixedly installed on the end of the connecting part 41 away from the drone arm 3, which is inserted into the mounting part 22 and hinged to the mounting part 22. A first card seat 43 and a second card seat 44 are fixedly installed on the outer wall of the connecting part 41 at both ends. The first card seat 43 is located near the end of the connecting part 41. A pull rod 47 is hinged to the middle of the outer wall of the fixing rod 24 on the first card seat 43. The first card seat 43 and the second card seat 44 are engaged with the fixing rod 24.

[0033] In use, the fixing part 21 is installed on the drone body 1, the docking part 42 is installed in the mounting part 22, and then the drone arm 3 is installed in the connecting part 41 to complete the assembly of the equipment. In use, by rotating the docking part 42, the docking part 42 drives the connecting part 41 to rotate until the connecting part 41 drives the drone arm 3 to rotate to a right angle with the drone body 1. At this time, the pull rod 47 is pulled to the end of the fixing rod 24 away from the mounting seat 23, and the end of the fixing rod 24 is engaged with the first locking seat 43 to complete the locking and complete the retraction of the drone arm 3, reducing space occupation and facilitating transportation.

[0034] The rotating docking part 42 causes the connecting part 41 to drive the drone arm 3 to rotate to a horizontal position with the drone body 1. At this time, the pull rod 47 is pulled to the end of the fixed rod 24 near the mounting base 23. The end of the fixed rod 24 is engaged with the second mounting base 44, thus completing the support of the drone arm 3 and ensuring stable flight operation.

[0035] Specifically, a J-shaped latching protrusion 25 is provided on the end of the fixing rod 24 away from the mounting base 23, and the latching protrusion 25 is adapted to the first latching base 43 and the second latching base 44.

[0036] In use, the J-shaped protrusion 25 is adapted to the first card holder 43 and the second card holder 44, so that the drone arm 3 can adapt to two different folding forms and ensure stability.

[0037] More specifically, the first card holder 43 has a first card slot 45 that matches the card protrusion 25, and the card protrusion 25 engages with the first card slot 45.

[0038] In use, the first slot 45 is engaged by the protrusion 25, so that the drone arm 3 is stably folded to be horizontal with the drone body 1, thus providing stable support for the equipment components and ensuring stable and reliable operation.

[0039] Furthermore, the second card holder 44 is provided with a second card slot 46 that is adapted to the card protrusion 25, and the card protrusion 25 is engaged with the second card slot 46.

[0040] In use, the second slot 46 is engaged by the protrusion 25, so that the drone arm 3 is stably folded to a right angle with the drone body 1, thus completing the retraction of the drone arm 3, greatly reducing space occupation and facilitating transportation.

[0041] Example 2

[0042] Unlike Embodiment 1, the fixed latch 25 is inconvenient when connecting the first latch 43 and the second latch 44. Therefore, a groove 26 is provided on the end of the fixed rod 24 away from the mounting base 23. A positioning base 27 is fixedly installed on the fixed rod 24 at the groove 26. A sealing plate 28 is fixedly installed on the positioning base 27 by bolts. The groove 26 passes through the positioning base 27 and the sealing plate 28. An adjustment cavity 29 is provided between the positioning base 27 and the sealing plate 28. A slider 210 is fixedly installed on the latch 25 and slidably installed in the adjustment cavity 29. A spring cavity 211 is provided on the slider 210. A spring 212 is inserted into the spring cavity 211 and abuts against the inner wall of the adjustment cavity 29.

[0043] In use, the sealing plate 28 is fitted onto the slider 210 through the slot, and the spring 212 is inserted into the spring cavity 211. Then, the slider 210 is installed in the positioning seat 27, with the spring cavity 211 abutting against the inner end of the sealing plate 28. The sealing plate 28 and the positioning seat 27 are then fixed with bolts, so that the slider 210 is installed in the adjustment cavity 29. The slider 210 is slid in the adjustment cavity 29 to complete the movement adjustment of the locking protrusion 25, so as to adjust the connection between the locking protrusion 25 and the first locking groove 45 and the second locking groove 46 when changing the connection state. The spring 212 pushes the slider 210, so that the locking protrusion 25 presses against the first locking groove 45 and the second locking groove 46, ensuring that the connection is convenient and quick.

[0044] Furthermore, an adjusting block 213 is fixedly installed on the outer wall of the slider 210 and slidably installed in the slide groove 26. Anti-slip texture 214 is provided on the outer wall of the adjusting block 213.

[0045] In use, the spring 212 pushes the slider 210, and the slider 210 drives the locking protrusion 25 to lock onto the first slot 45 or the second slot 46. Only by manually pushing the adjusting block 213 in the opposite direction can the spring 212 be pressed to make the locking protrusion 25 exit the first slot 45 or the second slot 46 to complete the unlocking, ensuring stable locking and preventing accidental opening, and avoiding the possibility of it popping open due to vibration during flight or transportation, or due to accidental contact on the ground.

[0046] The above description is merely a preferred embodiment of this application, but the scope of protection of this application is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this application, based on the technical solution and concept of this application, should be included within the scope of protection of this application.

Claims

1. A folding structure for the arm of a multi-rotor unmanned aerial vehicle (UAV), comprising a connecting end (2) for fixing to the UAV body (1), and a folding member (4) rotatably mounted on the connecting end (2) for supporting the UAV arm (3), characterized in that: The connecting end (2) includes a fixing part (21) fixedly installed on the body (1) of the UAV. A U-shaped mounting part (22) is fixedly installed on the fixing part (21) away from the body (1). A mounting seat (23) is fixedly installed on the outer wall of the mounting part (22). A fixing rod (24) is hinged in the mounting seat (23) at the end away from the fixing part (21). The folding component (4) includes a tubular connecting part (41) for inserting into the drone arm (3). A docking part (42) is fixedly installed on the connecting part (41) away from the drone arm (3), which is inserted into the mounting part (22) and hinged to the mounting part (22). A first card seat (43) and a second card seat (44) are fixedly installed on the outer wall of the connecting part (41) at both ends. The first card seat (43) is located near the end of the connecting part (41). A pull rod (47) is hinged to the middle of the outer wall of the fixing rod (24) on the first card seat (43). The first card seat (43) and the second card seat (44) are engaged with the fixing rod (24).

2. The folding structure for the arm of a multi-rotor UAV according to claim 1, characterized in that: The fixed rod (24) has a J-shaped locking protrusion (25) at one end away from the mounting base (23), and the locking protrusion (25) is adapted to the first mounting base (43) and the second mounting base (44).

3. The folding structure for the arm of a multi-rotor UAV according to claim 1, characterized in that: The first card holder (43) has a first card slot (45) adapted to the card protrusion (25), and the card protrusion (25) engages with the first card slot (45).

4. The folding structure for the arm of a multi-rotor UAV according to claim 1, characterized in that: The second card holder (44) has a second card slot (46) adapted to the card protrusion (25), and the card protrusion (25) engages with the second card slot (46).

5. A folding structure for the arm of a multi-rotor UAV according to claim 2, characterized in that: A groove (26) is provided at one end of the fixed rod (24) away from the mounting seat (23). A positioning seat (27) is fixedly installed on the fixed rod (24) at the groove (26). A sealing plate (28) is fixedly installed on the positioning seat (27) by bolts. The groove (26) passes through the positioning seat (27) and the sealing plate (28). An adjustment cavity (29) is provided between the positioning seat (27) and the sealing plate (28). A slider (210) is fixedly installed on the latch (25) and slidably installed in the adjustment cavity (29). A spring cavity (211) is provided on the slider (210). A spring (212) is inserted into the spring cavity (211) and abuts against the inner wall of the adjustment cavity (29).

6. A folding structure for the arm of a multi-rotor UAV according to claim 5, characterized in that: An adjusting block (213) is fixedly installed on the outer wall of the slider (210) and slidably installed in the slide groove (26). Anti-slip texture (214) is provided on the outer wall of the adjusting block (213).

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