Unmanned aerial vehicle arm locking assembly, unmanned aerial vehicle arm and unmanned aerial vehicle

Abstract

The utility model discloses an unmanned aerial vehicle arm locking assembly, an unmanned aerial vehicle arm and an unmanned aerial vehicle, and the unmanned aerial vehicle arm locking assembly comprises a first fixed end, a second fixed end and a third fixed end, the second fixing end and the first fixing end can be folded; the lock catch is arranged at the second fixed end; the lock catch comprises a first locking connecting rod and a second locking connecting rod, the first end of the first locking connecting rod is rotatably arranged on the side, close to the first fixing end, of the second fixing end, and the second end of the first locking connecting rod is rotatably connected with the first end of the second locking connecting rod; wherein in response to the first preset operation, the second end of the second locking connecting rod is connected with the connecting structure, and the orthographic projection of the second locking connecting rod and the orthographic projection of the first locking connecting rod are overlapped. According to the unmanned aerial vehicle arm adopting the scheme, after the first preset operation is executed, the two fixing ends are firmly locked.

Description

Technical Field

[0001] The present application relates to the technical field of drones, and in particular to a drone arm locking assembly, a drone arm, and a drone. Background Art

[0002] Drones are a rapidly developing flying device that has the advantages of maneuverability, quick response, unmanned flight, and low operating requirements. They can be widely used in agriculture, exploration, photography, border patrol and other fields.

[0003] Common drone arms are typically constructed from a single piece. Long arms require significant space during transport and storage, making them less portable. Previous attempts to reduce their size have employed folding arms, but the locking mechanism between the arms is not secure enough when the arms are unfolded, resulting in low reliability. Utility Model Content

[0004] The present application provides a drone arm locking assembly, a drone arm, and a drone.

[0005] A technical solution provided by this application is to provide an arm locking assembly for a drone, the arm locking assembly comprising:

[0006] a first fixed end, the first fixed end being provided with a connecting structure;

[0007] a second fixed end, the second fixed end and the first fixed end being foldable;

[0008] A lock catch is provided at the second fixed end; the lock catch includes a first locking link and a second locking link, the first end of the first locking link being rotatably provided on a side of the second fixed end close to the first fixed end, and the second end of the first locking link being rotatably connected to the first end of the second locking link;

[0009] When the first fixed end and the second fixed end are locked, the second end of the second locking link is connected to the connecting structure, and the orthographic projections of the second locking link and the first locking link overlap.

[0010] Optionally, when the first fixed end and the second fixed end are folded, the connection between the second end of the second locking link and the connecting structure is released.

[0011] Optionally, when the first fixed end and the second fixed end are folded, the first end of the second locking link drives the second end of the first locking link to rotate counterclockwise around the first end of the first locking link, thereby releasing the connection between the second end of the second locking link and the connecting structure.

[0012] Optionally, when the first fixed end and the second fixed end are locked, the first end of the second locking link drives the second end of the first locking link to rotate clockwise around the first end of the first locking link, and the second end of the second locking link is connected to the connecting structure to lock the first fixed end and the second fixed end.

[0013] Optionally, the second locking link further includes a third end and a fourth end, and the first end, the third end, the second end and the fourth end of the second locking link are sequentially connected to form a hollow area;

[0014] When the first fixed end and the second fixed end are locked, after the second end of the second locking link is connected to the connecting structure, the first locking link is located in the hollow area.

[0015] Optionally, the arm locking assembly further includes a first rotating member, and the first fixed end and the second fixed end are folded through the first rotating member.

[0016] Optionally, the first end of the first locking link is arranged at the second fixed end through the second rotating member; the second end of the first locking link is connected to the first end of the second locking link through the third rotating member.

[0017] Optionally, the number of the lock buckles is at least two; the first fixed end is provided with at least two connection structures;

[0018] The lock buckles and the connecting structures are arranged in a one-to-one correspondence.

[0019] Another technical solution provided by the present application is to provide a drone arm, which includes a main arm and a folding arm, and the main arm and the folding arm are connected by an arm locking assembly, wherein the arm locking assembly is such as the above-mentioned arm locking assembly.

[0020] Another solution provided by the present application is to provide a drone, which includes the drone arm as described above, and the drone arm also includes the arm locking assembly as described above.

[0021] The beneficial effects of the present application are as follows: the arm locking assembly includes a first fixed end, the first fixed end being provided with a connecting structure; a second fixed end, the second fixed end being foldable between the first fixed end and the second fixed end; and a lock provided on the second fixed end; the lock including a first locking link and a second locking link, the first end of the first locking link being rotatably provided on a side of the second fixed end close to the first fixed end, the second end of the first locking link being rotatably connected to the first end of the second locking link; in response to a first preset operation, the second end of the second locking link provided on the second fixed end is connected to the connecting structure of the first fixed end, at which time a four-bar linkage structure is formed between the second fixed end, the second locking link, and the first locking link. Secondly, because the orthographic projections of the second locking link and the first locking link overlap after the first preset operation, the first locking link provides a force to the second locking link, which makes the connection between the second locking link and the connecting structure tighter, thereby making the connection between the first fixed end and the second fixed end tighter, and when the arms are provided on the first fixed end and the second fixed end, the locking between the arms is more secure and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0023] Figure 1 This is a structural diagram of an embodiment of an arm locking assembly provided by the present application;

[0024] Figure 2 Yes Figure 1 The schematic structural diagram of the arm locking assembly shown is after the second preset operation;

[0025] Figure 3 Yes Figure 1 An exploded view of the arm locking assembly is shown;

[0026] Figure 4 It is a structural schematic diagram of an embodiment of the drone arm provided by this application. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0028] The terms "first," "second," and the like in this application are used to distinguish between different objects, rather than to describe a particular order. Furthermore, the terms "including," "having," and any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, or device comprising a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to the process, method, or device.

[0029] like Figure 1-Figure 3 As shown, the arm locking assembly 1 in this embodiment includes a first fixing end 11 , a second fixing end 12 and a locking buckle 13 .

[0030] A connecting structure 111 is provided on the first fixed end 11. Furthermore, the connecting structure 111 cooperates with the lock buckle 13 so that the first fixed end 11 and the second fixed end 12 are on the same straight line.

[0031] In some embodiments, the first fixing end 11 and the second fixing end 12 respectively fix the first and second arms. The first end of the first arm is fixed to the first fixing end 11, and the second end of the first arm is provided with a rotor. The first end of the second arm is fixed to the second fixing end 12, and the second end of the second arm is fixed to the drone body.

[0032] Optionally, the connection structure 111 may be a buckle.

[0033] The second fixed end 12 and the first fixed end 11 can be folded.

[0034] Among them, the lock buckle 13 is set on the second fixed end 12, and the lock buckle 13 includes a first locking link 14 and a second locking link 15. The first end 141 of the first locking link 14 is rotatably set on the side of the second fixed end 12 close to the first fixed end 11, and the second end 142 of the first locking link 14 is rotatably connected to the first end 151 of the second locking link 15.

[0035] In response to the first preset operation, the second end 152 of the second locking link 15 is connected to the connecting structure 111 , and the orthographic projections of the second locking link 15 and the first locking link 14 overlap.

[0036] In some embodiments, the rotation plane of the first locking link 14 is parallel to the rotation plane of the second locking link 15, and when viewed from a direction perpendicular to the rotation plane of the first locking link 14 and the rotation plane of the second locking link 15, the positive projections of the second locking link 15 and the first locking link 14 overlap.

[0037] Optionally, the first preset operation is to perform a locking operation on the first fixed end 11 and the second fixed end 12 .

[0038] It can be understood that after the second end 152 of the second locking link 15 is connected to the connecting structure 111, a four-bar linkage structure is formed between the second fixed end 12, the second locking link 15, the first locking link 14, and the first fixed end 11. Furthermore, when the orthographic projections of the second locking link 15 and the first locking link 14 overlap, the second locking link 15 and the first locking link 14 are at the dead point of the four-bar linkage, preventing relative rotation between the second fixed end 12 and the first fixed end 11, further enhancing the secure connection between the lock catch 13 and the first fixed end 11 and the second fixed end 12.

[0039] Optionally, in response to the first preset operation, the first end 151 of the second locking link 15 drives the second end 142 of the first locking link 14 to rotate clockwise around the first end 141 of the first locking link 14, and the second end 152 of the second locking link 15 is connected to the connecting structure 111, locking the first fixed end 11 and the second fixed end 12.

[0040] In some application scenarios, when the user needs to put the drone into use, it is necessary to perform a first preset operation on the drone's arm. The first preset operation is to unfold and lock the drone's arm. Before performing the first preset operation, the first fixed end 11 and the second fixed end 12 are in a folded state. Furthermore, when performing the first preset operation, the first end 151 of the second locking link 15 drives the second end 142 of the first locking link 14 to rotate clockwise with the first end 141 of the first locking link 14 as the center, and the second end 152 of the second locking link 15 is connected to the connecting structure 111 to lock the first fixed end 11 and the second fixed end 12. It can be understood that when the first fixed end 11 and the second fixed end 12 are locked, the first fixed end 11 and the second fixed end 12 are on the same straight line from the direction perpendicular to the rotation plane of the first fixed end 11.

[0041] Optionally, in response to a second preset operation, the second end 152 of the second locking link 15 is released from the connection structure 111. It is understood that by releasing the connection between the second end 152 of the second locking link 15 and the connection structure 111, the four-bar linkage structure formed between the second fixed end 12, the second locking link 15, the first locking link 14, and the first fixed end 11 is released. Furthermore, the first locking link 14 and the second locking link 15 are no longer at the four-bar linkage dead point, allowing the second fixed end 12 and the first fixed end 11 to be folded.

[0042] Optionally, in response to a second preset operation, the first end 151 of the second locking link 15 drives the second end 142 of the first locking link 14 to rotate counterclockwise around the first end 141 of the first locking link 14, thereby releasing the connection between the second end 152 of the second locking link 15 and the connecting structure 111.

[0043] In some application scenarios, when the user needs to store or transport the drone, it is necessary to perform a second preset operation on the drone's arm. The second preset operation is to fold the drone's arm. Before performing the second preset operation, the first fixed end 11 and the second fixed end 12 are in a locked state. Furthermore, when performing the second preset operation, the first end 151 of the second locking link 15 drives the second end 142 of the first locking link 14 to rotate counterclockwise around the first end 141 of the first locking link 14, releasing the connection between the second end 152 of the second locking link 15 and the connecting structure 111, and the second fixed end 12 and the first fixed end 11 change from a locked state to a folded state.

[0044] Optionally, the second locking link 15 further includes a third end 153 and a fourth end 154. The first end 151, the third end 153, the second end 152, and the fourth end 154 of the second locking link 15 are sequentially connected to form a hollow area. In this embodiment, the second locking link 15 forms a "mouth"-shaped structure.

[0045] Optionally, a paddle is provided between the first end 151 and the third end 153 of the second locking link 15 , and the user can operate the paddle to perform the first preset operation or the second preset operation on the lock buckle 13 .

[0046] In response to the first preset operation, after the second end 152 of the second locking link 15 is connected to the connecting structure 111 , the first locking link 14 is located in the hollow area.

[0047] Optionally, the arm locking assembly 1 further includes a first rotating member 16 , and the first fixed end 11 and the second fixed end 12 are folded by the first rotating member 16 .

[0048] In some application scenarios, the first rotating member 16 is a pin.

[0049] Optionally, the first end 141 of the first locking link 14 is disposed on the second fixed end 12 via the second rotating member 17 . The second end 142 of the first locking link 14 is connected to the first end 151 of the second locking link 15 via the third rotating member 18 .

[0050] In some application scenarios, at least one of the second rotating member 17 and the third rotating member 18 is a pin.

[0051] Optionally, there are at least two lock buckles 13. The first fixing end 11 is provided with at least two connecting structures 111, wherein the lock buckles 13 are provided in a one-to-one correspondence with the connecting structures 111.

[0052] By providing at least two locks and a connecting structure, the locking capability of the arm locking assembly is further increased.

[0053] In the above solution, in response to the first preset operation, the second end of the second locking link disposed at the second fixed end is connected to the connecting structure of the first fixed end, thereby forming a four-bar linkage structure between the second fixed end, the second locking link, and the first locking link. Furthermore, the orthographic projections of the second locking link and the first locking link overlap. At this time, viewed from a direction perpendicular to the rotation plane of the first fixed end, the transmission angle between the first and second locking links is 0 degrees, i.e., the first locking link is at a dead point. At this time, the second locking link cannot drive the first locking link to continue moving, thereby tightly connecting the first and second fixed ends.

[0054] like Figure 4 As shown, the present application also provides a drone arm 2, which includes a main arm 21 and a folding arm 22, and the main arm 21 and the folding arm 22 are connected by an arm locking assembly 23, wherein the arm locking assembly 23 is the above-mentioned arm locking assembly 1.

[0055] In some embodiments, the first end of the main arm 21 is connected to the drone body, and the second end of the main arm 21 is connected to the arm locking assembly 23. The first end of the folding arm 22 is connected to the arm locking assembly 23, and the second end of the folding arm 22 is provided with a rotor motor (not shown).

[0056] In some embodiments, the first end of the folding arm 22 is connected to the drone body, and the second end of the folding arm 22 is connected to the arm locking assembly 23. The first end of the main arm 21 is connected to the arm locking assembly 23, and the second end of the main arm 21 is provided with a rotor motor (not shown).

[0057] The arm locking assembly 23 includes a first fixed end, a second fixed end and a lock, wherein the lock is arranged on the second fixed end, and the lock further includes a first locking link and a second locking link.

[0058] In some embodiments, a connecting structure is provided on the first fixing end.

[0059] In some application scenarios, the arm locking assembly 23 is in a locked state, with the second locking link engaged with the connecting structure and the first fixed end in contact with the second fixed end. In this scenario, rotating the second locking link clockwise causes the first locking link to rotate counterclockwise. When the second locking link rotates clockwise to a certain angle, it disengages from the connecting structure. Furthermore, rotating the folding arm 22 counterclockwise causes it to fold relative to the main arm 21. At this point, the arm locking assembly 23 is in a folded state.

[0060] In some application scenarios, the arm locking assembly 23 is in a folded state, with the first and second fixed ends folded relative to each other. In this scenario, the first and second fixed ends are operated to mate with each other, so that the folding arm 22 and the main arm 21 are coaxial. Furthermore, the second locking link is operated to rotate counterclockwise, driving the first locking link to rotate clockwise. When the second locking link rotates counterclockwise to a certain angle, the second locking link engages with the connecting structure, and then presses the second locking link, so that the first and second locking links respectively mate with the second fixed end. At this point, the first locking link and the second locking link form a straight line, that is, the first locking link is at the dead point position in the four-bar linkage formed by the first, second, first, and second fixed ends, causing the arm locking assembly 23 to be in a locked state. At this time, the folding arm 22 and the main arm 21 are in an unfolded state. In the above solution, in response to the first preset operation, the second end of the second locking link disposed at the second fixed end is connected to the connecting structure of the first fixed end, thereby forming a four-bar linkage structure between the second fixed end, the second locking link, and the first locking link. Furthermore, the orthographic projections of the second locking link and the first locking link overlap. At this time, viewed from a direction perpendicular to the rotation plane of the first fixed end, the transmission angle between the first and second locking links is 0 degrees, i.e., the first locking link is at a dead point. At this time, the second locking link cannot drive the first locking link to continue moving, thereby tightly connecting the first and second fixed ends.

[0061] The present application also provides a drone, comprising a drone body and a drone arm, wherein a first end of the drone arm is connected to the drone body, and a rotor motor is provided on a second end of the drone arm. The drone arm is the drone arm 2 described above.

[0062] In the above solution, in response to the first preset operation, the second end of the second locking link disposed at the second fixed end is connected to the connecting structure of the first fixed end, thereby forming a four-bar linkage structure between the second fixed end, the second locking link, and the first locking link. Furthermore, the orthographic projections of the second locking link and the first locking link overlap. At this time, viewed from a direction perpendicular to the rotation plane of the first fixed end, the transmission angle between the first and second locking links is 0 degrees, i.e., the first locking link is at a dead point. At this time, the second locking link cannot drive the first locking link to continue moving, thereby tightly connecting the first and second fixed ends.

[0063] The above description is only an implementation method of the present application and does not limit the patent scope of the present application. Equivalent structures or equivalent process changes made by utilizing the contents of the description and drawings of this application, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A UAV arm locking assembly, characterized in that: The arm locking assembly includes: a first fixed end, wherein the first fixed end is provided with a connecting structure; a second fixed end, wherein the second fixed end and the first fixed end are foldable; a lock catch, disposed at the second fixed end; the lock catch comprising a first locking link and a second locking link, wherein the first end of the first locking link is rotatably disposed on a side of the second fixed end close to the first fixed end, and the second end of the first locking link is rotatably connected to the first end of the second locking link; When the first fixed end and the second fixed end are locked, the second end of the second locking link is connected to the connecting structure, and the orthographic projections of the second locking link and the first locking link overlap.

2. The machine arm locking assembly according to claim 1, characterized in that: When the first fixed end and the second fixed end are folded, the connection between the second end of the second locking link and the connecting structure is released.

3. The machine arm locking assembly according to claim 2, characterized in that: The first end of the second locking link drives the second end of the first locking link to rotate counterclockwise around the first end of the first locking link.

4. The machine arm locking assembly according to claim 1, characterized in that: The first end of the second locking link drives the second end of the first locking link to rotate clockwise around the first end of the first locking link.

5. The machine arm locking assembly according to claim 1, characterized in that: The second locking link further includes a third end and a fourth end, wherein the first end, the third end, the second end and the fourth end of the second locking link are sequentially connected to form a hollow area; When the first fixed end and the second fixed end are locked, after the second end of the second locking link is connected to the connecting structure, the first locking link is located in the hollow area.

6. The machine arm locking assembly according to claim 1, characterized in that: The arm locking assembly further includes a first rotating member, and the first fixed end and the second fixed end are folded by the first rotating member.

7. The machine arm locking assembly according to claim 1, characterized in that: The first end of the first locking link is arranged on the second fixed end through a second rotating member; the second end of the first locking link is connected to the first end of the second locking link through a third rotating member.

8. The machine arm locking assembly according to claim 1, characterized in that: The number of the lock buckles is at least two; the first fixed end is provided with at least two connection structures; The lock buckles are arranged in a one-to-one correspondence with the connection structures.

9. A drone arm, characterized in that: The drone arm includes a main arm and a folding arm, and the main arm and the folding arm are connected via an arm locking assembly, wherein the arm locking assembly is the arm locking assembly as described in any one of claims 1-8.

10. A drone, characterized in that: The drone includes the drone arm according to claim 9, and the drone arm also includes the arm locking assembly according to any one of claims 1-8.

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