Quick release structure of unmanned aerial vehicle blade, blade assembly and unmanned aerial vehicle

Abstract

The utility model relates to a kind of quick-release structure of unmanned aerial vehicle paddle, paddle assembly and unmanned aerial vehicle, it includes: mounting seat, the middle part is provided with mounting hole;Matching piece, it is connected the upper end surface of mounting seat, and is provided with matching hole;Movable part, it has main part, the clamping portion of connecting main part and free end towards the extension of matching hole and the knob of connecting main part;Spring, one end connects paddle mounting piece, the other end connects the main part;And, rotating shaft, lower end connects the rotating output end of motor, upper end passes through the mounting hole, and upper end and paddle mounting piece are detachably connected.The structure design of the present application, simple operation, after poking knob, the telescopic movement of spring drives clamping portion movement, so that clamping portion and matching hole cooperate or with matching hole disengagement can realize the quick disassembly of unmanned aerial vehicle paddle, without other special tools, can substantially improve the disassembly efficiency of paddle.

Description

Technical Field

[0001] This utility model relates to the field of unmanned aerial vehicle (UAV) technology, and in particular to a quick-release structure for UAV propellers, a propeller assembly, and a UAV. Background Technology

[0002] In existing technologies, drone propellers and motors are often fixedly connected. For example, in the technical solution of patent application number 202410451418.8, entitled "An Easily Disassembled Drone Aerial Survey Device and Its Usage Method," the motor output end is fixedly connected to the propeller blades. However, if the above-mentioned fixed installation method is adopted, the process of installing and disassembling the propeller blades will be time-consuming, and may even require special tools to complete, which cannot meet the need for rapid disassembly and assembly of drone components. Utility Model Content

[0003] The purpose of this utility model is to provide a quick-release structure for drone propellers, a propeller assembly, and a drone. Its structure is simple to design and operate. By moving the lever, the extension and retraction of the spring drives the locking part to move, so that the locking part can engage with or disengage from the mating hole, thereby realizing the quick assembly and disassembly of the drone propellers. No other special tools are required, which can greatly improve the assembly and disassembly efficiency of the propellers.

[0004] To achieve the above objectives, the present invention provides the following technical solutions.

[0005] On the one hand, a quick-release structure for a drone propeller is provided, which includes:

[0006] The mounting base has a mounting hole in its middle section;

[0007] A mating component is connected to the upper end face of the mounting base and has a mating hole.

[0008] The movable part has a main body, a retaining part connected to the main body and extending at its free end toward the mating hole, and a lever connected to the main body;

[0009] A spring, one end of which is connected to the blade mounting component, and the other end of which is connected to the main body;

[0010] In addition, a rotating shaft, the lower end of which is connected to the rotation output end of the motor, the upper end of which passes through the mounting hole and is detachably connected to the blade mounting component.

[0011] Preferably, the main body, the push block, and the holding part are integrally formed.

[0012] Preferably, the retaining part is a tapered structure as a whole, and the small diameter end of the tapered structure faces the mating hole.

[0013] Preferably, the quick-release structure further includes: a guide shell, which is connected to the blade mounting component and extends as a whole in the direction toward the mating hole, and has an internal cavity for accommodating the spring and the main body; and a guide groove is provided on the top of the guide shell for the push block to pass through, and the end of the guide shell facing the mating hole has an opening.

[0014] Preferably, the quick-release structure further includes a limiting cover, which is sleeved on the guide shell and has a through hole communicating with the opening of the guide shell, for preventing the main body part from being completely or partially detached from the cavity.

[0015] Preferably, the outer wall of the guide shell has a stepped portion, and the limiting cover is sleeved on the stepped portion.

[0016] Preferably, the side of the lever away from the blade mounting member has several strip-shaped protrusions.

[0017] Preferably, a spring receiving cavity is formed inside the main body, and the spring is partially or completely received in the spring receiving cavity and connected to the inner wall of the spring receiving cavity.

[0018] On the other hand, a propeller assembly is also provided, which includes: a motor, a propeller mounting component, a drone propeller, the aforementioned quick-release structure, and a motor mounting housing for mounting the motor, wherein the drone propeller is mounted on the propeller mounting component.

[0019] On the other hand, a drone is also provided, which includes the aforementioned propeller assembly.

[0020] Compared with the prior art, the present invention has the following technical effects:

[0021] The quick-release structure of this utility model is simple to design and operate. By moving the lever, the spring drives the locking part to move, so that the locking part can engage with or disengage from the mating hole, thus realizing the quick disassembly and assembly of the drone propeller. No other special tools are required, which can greatly improve the efficiency of propeller disassembly and assembly.

[0022] Simultaneously, the guide shell can protect the spring and the main body, the guide groove can limit the movement position of the lever, and the protective cover can limit and guide the movement of the holding part, so as to drive the holding part to accurately align with the mating hole for movement. Attached Figure Description

[0023] Figure 1 This is an overall structural diagram of the quick-release structure in this utility model;

[0024] Figure 2 This is a sectional view of the mounting base and mating parts in this utility model;

[0025] Figure 3 This is a side view of the movable part in this utility model;

[0026] Figure 4 This is an exploded view of the quick-release structure (excluding mounting base and mating parts) in this utility model;

[0027] Figure 5 This is a cross-sectional view of the quick-release structure when the spring is compressed in this utility model;

[0028] Figure 6 This is a cross-sectional view of the quick-release structure when the spring extends in this utility model. Detailed Implementation

[0029] To make the objectives, technical solutions and advantages of this utility model clearer, the embodiments of this utility model will be further described below with reference to the accompanying drawings.

[0030] Example 1:

[0031] like Figure 1-4 As shown, this embodiment provides a quick-release structure for a drone propeller, which includes:

[0032] Mounting base 1, with a mounting hole 11 in its middle;

[0033] The mating part 2 is connected to the upper end face of the mounting base 1 and has a mating hole 21. In this embodiment, the mating part 2 and the mounting base 1 can be integrally formed, and there are at least two mating parts 2, which are evenly spaced along the circumference. The free end of each mating part 2 extends upward, and at least two mating holes 21 are arranged opposite each other in the radial direction.

[0034] The movable part 3 has a main body 31, a retaining part 33 connected to the main body 31 and extending its free end toward the mating hole 21, and a lever 32 connected to the main body 31, wherein the main body 31, the lever 32, and the retaining part 33 are integrally formed.

[0035] Spring 4, one end of which is connected to blade mounting part 100, and the other end is connected to the main body part 31, and the extension and retraction direction of spring 4 is consistent with the extension direction of the central axis of mating hole 21.

[0036] And, the rotating shaft 5, the lower end of which is connected to the rotating output end of the motor (not shown) through a coupling or the like, the upper end of which passes through the mounting hole 11 and is detachably connected to the bottom of the blade mounting component 100, and the mounting base 1, the rotating shaft 5, and the blade mounting component 100 rotate synchronously. Specifically, in this embodiment, the upper end of the rotating shaft 5 is sleeved with the bottom of the blade mounting component 100 and is clearance fit.

[0037] In this embodiment, the number of springs 4 and movable parts 3 is the same, such as two of each. One end of each spring 4 is connected to the blade mounting part 100, and the other end is connected to a main body part 31. The free end of each holding part 33 extends toward a mating hole 21.

[0038] The drone propeller blades 200 can be pre-installed on the propeller mounting component 100. When it is necessary to assemble the propeller mounting component 100 and the drone propeller blades 200, such as Figure 5 As shown, by using external force (such as flicking with a finger), the lever 32 is moved, causing the movable part 3 to move toward the blade mounting part 100 (i.e., along...). Figure 5 (Move in the direction indicated by the solid arrow in the middle line). At this time, the spring 4 is compressed. When there are two springs 4 and two movable parts 3, the two levers 32 can be moved simultaneously by external force to make them move relative to each other and towards the blade mounting part 100, so that both springs 4 are compressed.

[0039] The rotating shaft 5 is fitted into the bottom of the blade mounting part 100, and while keeping the spring 4 compressed, the retaining part 33 is positioned outside the mating hole 21. After the retaining part 33 is aligned with the mating hole 21, the force on the spring 4 is released (e.g., releasing a finger), and the spring 4 extends to push the free end of the retaining part 33 into or through the mating hole 21 (e.g., ...). Figure 6 As shown), this allows the holding part 33 and the mating hole 21 to engage and engage, thereby completing the assembly of the blade mounting part 100 and the drone blade 200. After starting the motor 100, the mounting base 1, the rotating shaft 5, the blade mounting part 100, and the drone blade 200 can be driven to rotate synchronously.

[0040] When it is necessary to disassemble the propeller mounting component 100 and the UAV propeller blade 200, such as Figure 6 As shown, the lever 32 is moved again, causing the movable part 3 to move toward the blade mounting part 100 (i.e., along...). Figure 6 (Moves in the direction indicated by the solid arrow), at which point the spring 4 is compressed again, and after the retaining part 33 is completely disengaged from the mating hole 21 (i.e., Figure 5 (As shown in the figure) Pull the blade mounting part 100 upward to separate the blade mounting part 100 and the rotating shaft 5, so as to complete the disassembly of the blade mounting part 100 and the UAV blade 200.

[0041] Therefore, the quick-release structure in this embodiment is simple to design and operate. By moving the lever, the spring drives the locking part to move, so that the locking part can engage with or disengage from the mating hole, thus realizing the quick assembly and disassembly of the drone propeller. No other special tools are required, which can greatly improve the assembly and disassembly efficiency of the propeller.

[0042] Example 2:

[0043] The only difference between this embodiment and Embodiment 1 is that, Figure 1 As shown in Figure 4-6, the quick-release structure further includes:

[0044] The guide shell 6 is connected to the blade mounting member 100 and extends as a whole in the direction toward the mating hole 21. It has a cavity 62 inside for accommodating the spring 4 and the main body 31. The guide shell 6 has a guide groove 61 on the top for the push block 32 to pass through. The guide shell 6 has an opening 63 at one end toward the mating hole 21.

[0045] And a limiting cover 7, which is sleeved on the guide shell 6 and has a through hole 71 communicating with the opening 63 of the guide shell 6, to prevent the main body 31 from being completely or partially dislodged from the cavity 62 when the guide groove 61 is a C-shaped structure and the spring 4 is extended, so as to ensure that the toggle block 32 always moves in the guide groove 61, and the free end of the clamping part 33 can move through the opening 63 of the guide shell 6 and the through hole 71 of the limiting cover 7, thereby limiting and guiding the movement of the clamping part 33 through the through hole 71.

[0046] Furthermore, the extension direction of the guide groove 61 is consistent with the extension and retraction direction of the spring 4, and the spring 4 extends and retracts within the cavity 62, and the main body 31 moves within the cavity 62.

[0047] The diameter of the through hole 71 is designed to be smaller than the outer diameter of the main body 31, thereby preventing the main body 31 from coming out of the guide shell 6 through the through hole 71;

[0048] In use, the lever 32 can move within the guide groove 61 under the action of external force to drive the main body 31 to compress the spring 4. After the external force on the lever 32 is released, the spring 4 extends within the cavity 62.

[0049] Furthermore, in this embodiment, as Figure 2 As shown, the outer wall of the guide shell 6 has a stepped portion 64, and the limiting cover 7 is sleeved on the stepped portion 64, thereby reducing the radial dimension of the guide shell 6 and the limiting cover 7 after they are fitted together.

[0050] Thus, the guide shell 6 can protect the spring 4 and the main body 31, preventing dust and other particles from entering the cavity 62. At the same time, the guide groove 61 limits the movement position of the lever 32, and the protective cover 7 limits and guides the movement of the retaining part 33, so as to drive the retaining part 33 to accurately align with the mating hole 21 for movement.

[0051] Example 3:

[0052] The only difference between this embodiment and embodiment 1 or 2 is that, Figure 3As shown, the side of the lever 32 away from the blade mounting member 100 has several strip-shaped protrusions 321. Thus, the lever 32 can be moved by applying external force to the rough surface (such as by pressing the friction surface with a finger) to increase the friction force through the rough surface and avoid slipping when moving the lever 32.

[0053] At the same time, such as Figure 6 As shown, a spring receiving cavity 311 is formed inside the main body 31, and the spring 4 is partially or completely received in the spring receiving cavity 311 and connected to the inner wall surface of the spring receiving cavity 311.

[0054] Furthermore, the retaining part 33 is generally tapered, with the small-diameter end of the tapered structure facing the mating hole 21. The mating hole 21 is a tapered hole that matches the shape of the retaining part 33, thereby ensuring that the small-diameter end of the retaining part 33 can quickly and accurately enter the mating hole 21, achieving rapid mating with the mating hole 21.

[0055] Example 4:

[0056] This embodiment provides a blade assembly, such as Figure 1 As shown, it includes: a motor, a blade mounting component 100, a drone blade 200, a quick-release structure as described in any one of embodiments 1-3, and a motor mounting housing 300 for mounting the motor, wherein the drone blade 200 is mounted on the blade mounting component 100.

[0057] Example 5:

[0058] This embodiment provides a drone that includes the propeller assembly described in Embodiment 4.

[0059] In summary, the quick-release structure in this application is simple to design and operate. By moving the lever, the spring drives the locking part to move, so that the locking part can engage with or disengage from the mating hole, thus realizing the quick assembly and disassembly of the UAV propeller. No other special tools are required, which can greatly improve the assembly and disassembly efficiency of the propeller.

[0060] Meanwhile, the guide shell can protect the spring and the main body to prevent dust and other particles from entering the cavity. The guide groove limits the movement of the lever, and the protective cover limits and guides the movement of the locking part, so as to drive the locking part to accurately align with the mating hole.

[0061] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A quick-release structure for a drone propeller, characterized in that, include: The mounting base has a mounting hole in its middle section; A mating component is connected to the upper end face of the mounting base and has a mating hole. The movable part has a main body, a retaining part connected to the main body and extending at its free end toward the mating hole, and a lever connected to the main body; A spring, one end of which is connected to the blade mounting component, and the other end of which is connected to the main body; In addition, a rotating shaft, the lower end of which is connected to the rotation output end of the motor, the upper end of which passes through the mounting hole and is detachably connected to the blade mounting component.

2. The quick-release structure as described in claim 1, characterized in that, The main body, the push block, and the holding part are integrally formed.

3. The quick-release structure as described in claim 1, characterized in that, The retaining part is a tapered structure, with the smaller diameter end of the tapered structure facing the mating hole.

4. The quick-release structure as described in claim 1, characterized in that, The quick-release structure further includes: a guide shell, which is connected to the blade mounting component and extends as a whole in the direction toward the mating hole, and has an internal cavity for accommodating the spring and the main body; and a guide groove is provided on the top of the guide shell for the push block to pass through, and the end of the guide shell facing the mating hole has an opening.

5. The quick-release structure as described in claim 4, characterized in that, The quick-release structure also includes a limiting cover, which is sleeved on the guide shell and has a through hole communicating with the opening of the guide shell, to prevent the main body from being completely or partially dislodged from the cavity when the guide groove is a C-shaped structure and the spring (4) is extended.

6. The quick-release structure as described in claim 5, characterized in that, The outer wall of the guide shell has a stepped portion, and the limiting cover is sleeved on the stepped portion.

7. The quick-release structure as described in claim 1, characterized in that, The side of the lever away from the blade mounting component has several strip-shaped protrusions.

8. The quick-release structure as described in claim 1, characterized in that, The main body has a spring receiving cavity inside, and the spring is partially or completely received in the spring receiving cavity and connected to the inner wall of the spring receiving cavity.

9. A blade assembly, characterized in that, include: The invention comprises a motor, a propeller mounting component, a drone propeller, a quick-release structure as described in any one of claims 1-8, and a motor mounting housing for mounting the motor, wherein the drone propeller is mounted on the propeller mounting component.

10. A drone, characterized in that, Includes the blade assembly as described in claim 9.

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