Four-axis numerical control unmanned aerial vehicle with protection function

Abstract

The four-axis numerical control unmanned aerial vehicle with the protection function relates to the technical field of unmanned aerial vehicles and comprises an unmanned aerial vehicle body, the unmanned aerial vehicle body comprises four supporting arms and fan blades, a first U-shaped plate is fixedly arranged at the upper ends of the supporting arms, a connecting plate is detachably installed on the inner side of the first U-shaped plate, and an annular cover is fixedly arranged on one side of the upper end of the connecting plate. A first sliding rod is slidably connected to the middle of the outer side of the first U-shaped plate in the horizontal direction, the first sliding rod is sleeved with a first spring, a plurality of evenly-distributed arc-shaped plates are arranged on the outer side of the annular cover in the circumferential direction, and second springs are arranged between the arc-shaped plates and the outer side of the annular cover. The annular cover is convenient to disassemble and assemble, the fan blades are protected through the annular cover, and then the fan blades are protected again through buffering protection of the second spring.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicles, in particular to a four-axis numerically controlled unmanned aerial vehicle with a protective function. Background Art

[0002] A quadcopter, also known as a four-rotor aircraft, is a multi-rotor aircraft. The four propellers of a quadcopter are simple mechanisms directly connected to motors. The aircraft obtains the force to rotate the fuselage by changing the speed of the motor, thereby adjusting its own posture.

[0003] Existing drones lack wing protection structures and are unable to protect the wings. When the wings of the drone come into contact with foreign objects during flight, the wings of the drone will be damaged.

[0004] In view of the above problems, the utility model provides a four-axis CNC drone with a protective function. Utility Model Content

[0005] The purpose of the utility model is to provide a four-axis CNC drone with a protective function. The annular cover is easy to disassemble and assemble. The fan blades are protected by the annular cover and then protected again by a second spring buffer protection, thereby solving the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a four-axis CNC drone with a protective function, comprising a drone body, the drone body comprising four support arms and fan blades, a first U-shaped plate fixedly provided on the upper end of the support arm, a connecting plate detachably installed on the inner side of the first U-shaped plate, an annular cover fixedly provided on one side of the upper end of the connecting plate, a first slide rod horizontally slidably connected to the middle part of the outer side of the first U-shaped plate, a first spring sleeved on the outer side of the first slide rod, a plurality of evenly distributed arc plates circumferentially arranged on the outer side of the annular cover, and a second spring arranged between the arc plate and the outer side of the annular cover.

[0007] Furthermore, the lower end of the connecting plate is engaged with the inner side of the first U-shaped plate, the outer end of the first slide rod is fixedly connected to a handle, a first spring is fastened between the handle and the first U-shaped plate, a limiting hole is provided on the side surface of the lower end of the connecting plate, and the first spring drives the inner end of the first slide rod to engage with the inner side of the limiting hole.

[0008] Furthermore, a second U-shaped plate is provided on one side of the arc plate, the second U-shaped plate is fixedly connected to the outer side of the annular cover, two symmetrical second springs are fastened between the arc plate and the second U-shaped plate, a second sliding rod is sleeved on the inner side of the second spring, one end of the second sliding rod is fixedly connected to the inner side surface of the arc plate, and the second sliding rod is slidably connected to the second U-shaped plate.

[0009] Furthermore, a sponge is attached to the outer side of the arc plate.

[0010] Furthermore, the outer side of the handle is processed with anti-slip patterns.

[0011] Furthermore, the outer side of the fan blade does not contact the inner side of the annular cover, and the sizes of the fan blades are matched.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model provides a four-axis CNC drone with a protective function. Before the drone body flies, the first slide bar is manually pulled outward to make the inner end of the first slide bar leave the first U-shaped plate. At this time, the first spring is stretched, and then the lower end of the connecting plate is clamped on the inner side of the first U-shaped plate, and then the first slide bar is released. Under the pull of the first spring to restore the deformation, the first slide bar is reset and the inner end is inserted into the lower end of the connecting plate. At this time, the connecting plate is fixed and the annular cover is set on the outside of the fan blade, and the inner wall of the annular cover does not contact the fan blade. When the drone body is flying, if it hits an obstacle, it will squeeze the arc plate, and the arc plate moves and squeezes the second spring. The second spring will perform buffer protection. Except for the structure added to the drone body, all are made of high-strength and lightweight materials, which will not affect the normal flight of the drone body. The purpose of this design is to facilitate the disassembly and assembly of the annular cover, protect the fan blades through the annular cover, and then protect them again through the buffer protection of the second spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the first U-shaped plate in the utility model;

[0016] Figure 3 For this utility model Figure 1 Enlarged view of point A in the middle;

[0017] Figure 4 For this utility model Figure 1 Enlarged view of point B in the middle.

[0018] In the figure: 1. UAV body; 2. Support arm; 3. Fan blades; 4. Ring cover; 5. Connecting plate; 6. First U-shaped plate; 7. First slide bar; 8. Handle; 9. First spring; 10. Limiting hole; 11. Second U-shaped plate; 12. Arc plate; 13. Sponge; 14. Second slide bar; 15. Second spring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In order to solve the problem of how to effectively protect technology, such as Figure 1-4 As shown, the following preferred technical solutions are provided:

[0021] A four-axis CNC drone with a protective function comprises a drone body 1, the drone body 1 comprises four support arms 2 and fan blades 3, a first U-shaped plate 6 is fixedly arranged on the upper end of the support arm 2, a connecting plate 5 is detachably mounted on the inner side of the first U-shaped plate 6, an annular cover 4 is fixedly arranged on one side of the upper end of the connecting plate 5, a first slide bar 7 is horizontally slidably connected to the middle part of the outer side of the first U-shaped plate 6, a first spring 9 is sleeved on the outer side of the first slide bar 7, a plurality of evenly distributed arc plates 12 are circumferentially arranged on the outer side of the annular cover 4, and a second spring 15 is arranged between the arc plate 12 and the outer side of the annular cover 4.

[0022] Specifically, before the drone body 1 flies, the first slide bar 7 is manually pulled outward to make the inner end of the first slide bar 7 leave the first U-shaped plate 6. At this time, the first spring 9 is stretched, and then the lower end of the connecting plate 5 is clamped on the inner side of the first U-shaped plate 6, and then the first slide bar 7 is released. Under the pull of the first spring 9 to restore the deformation, the first slide bar 7 is reset and the inner end is inserted into the lower end of the connecting plate 5. At this time, the connecting plate 5 is fixed and the annular cover 4 is sleeved on the outside of the fan blade 3, and the inner wall of the annular cover 4 does not contact the fan blade 3. When the drone body 1 flies, if it hits an obstacle, it will squeeze the arc plate 12, and the arc plate 12 moves and squeezes the second spring 15. The second spring 15 will provide buffer protection. Except for the structure added to the drone body 1, all are made of high-strength and lightweight materials, which will not affect the normal flight of the drone body 1. The purpose of this design is that the annular cover 4 is easy to disassemble and assemble, and the fan blade 3 is protected by the annular cover 4, and then protected again by the buffer protection of the second spring 15.

[0023] Further, such as Figure 1-3 As shown, the following preferred technical solutions are provided:

[0024] The lower end of the connecting plate 5 is engaged with the inner side of the first U-shaped plate 6, and the outer end of the first slide bar 7 is fixedly connected to a handle 8. A first spring 9 is fastened between the handle 8 and the first U-shaped plate 6. A limiting hole 10 is provided on the side surface of the lower end of the connecting plate 5. The first spring 9 drives the inner end of the first slide bar 7 to engage with the inner side of the limiting hole 10. The purpose of this design is to drive the inner end of the first slide bar 7 to engage with the inner side of the limiting hole 10 by the first spring 9, so as to fix the position of the connecting plate 5.

[0025] Further, such as Figure 1 and Figure 4 As shown, the following preferred technical solutions are provided:

[0026] A second U-shaped plate 11 is provided on one side of the arc-shaped plate 12, and the second U-shaped plate 11 is fixedly connected to the outer side of the annular cover 4. Two symmetrical second springs 15 are fastened between the arc-shaped plate 12 and the second U-shaped plate 11. A second slide bar 14 is sleeved on the inner side of the second spring 15, and one end of the second slide bar 14 is fixedly connected to the inner side surface of the arc-shaped plate 12. The second slide bar 14 is slidably connected to the second U-shaped plate 11. The purpose of this design is to buffer the extrusion force exerted on the arc-shaped plate 12 by the second spring 15.

[0027] Further, such as Figure 4 As shown, the following preferred technical solutions are provided:

[0028] A sponge 13 is attached to the outer side of the arc-shaped plate 12 . The purpose of such design is to provide further buffering protection through the sponge 13 .

[0029] Further, such as Figure 2 As shown, the following preferred technical solutions are provided:

[0030] The outer side of the handle 8 is processed with anti-slip grooves, and the purpose of such design is to facilitate pulling the first slide bar 7 through the handle 8.

[0031] Further, such as Figure 1 As shown, the following preferred technical solutions are provided:

[0032] The outer side of the fan blade 3 does not contact the inner side of the annular cover 4, and the sizes are adapted to each other. The purpose of this design is to ensure the rationality of the structure.

[0033] In summary: before the drone body 1 flies, the first slide bar 7 is manually pulled outwards to make the inner end of the first slide bar 7 leave the first U-shaped plate 6. At this time, the first spring 9 is stretched, and then the lower end of the connecting plate 5 is clamped on the inner side of the first U-shaped plate 6, and then the first slide bar 7 is released. Under the deformation recovery of the first spring 9, the first slide bar 7 is reset and the inner end is inserted into the lower end of the connecting plate 5. At this time, the connecting plate 5 is fixed and the annular cover 4 is sleeved on the outside of the fan blade 3, and the inner wall of the annular cover 4 does not contact the fan blade 3. When the drone body 1 flies, if it hits an obstacle, it will squeeze the arc plate 12, and the arc plate 12 moves and squeezes the second spring 15. The second spring 15 will provide buffer protection. Except for the added structure of the drone body 1, all are made of high-strength and lightweight materials, which will not affect the normal flight of the drone body 1. The purpose of this design is that the annular cover 4 is easy to disassemble and assemble, and the fan blade 3 is protected by the annular cover 4, and then protected again by the buffer protection of the second spring 15.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A four-axis CNC drone with a protective function, comprising a drone body (1), wherein the drone body (1) comprises four support arms (2) and fan blades (3), and is characterized in that: A first U-shaped plate (6) is fixedly provided at the upper end of the support arm (2), a connecting plate (5) is detachably installed inside the first U-shaped plate (6), an annular cover (4) is fixedly provided at one side of the upper end of the connecting plate (5), a first sliding rod (7) is horizontally slidably connected to the middle of the outer side of the first U-shaped plate (6), a first spring (9) is sleeved on the outer side of the first sliding rod (7), a plurality of evenly distributed arc plates (12) are circumferentially provided on the outer side of the annular cover (4), and a second spring (15) is provided between the arc plates (12) and the outer side of the annular cover (4).

2. A four-axis CNC drone with protection function according to claim 1, characterized in that: The lower end of the connecting plate (5) is engaged with the inner side of the first U-shaped plate (6), the outer end of the first sliding rod (7) is fixedly connected with a handle (8), the handle (8) and the first U-shaped plate (6) are fastened with a first spring (9), a limiting hole (10) is provided on the side surface of the lower end of the connecting plate (5), and the first spring (9) drives the inner end of the first sliding rod (7) to engage with the inner side of the limiting hole (10).

3. The four-axis CNC drone with protection function according to claim 1, characterized in that: A second U-shaped plate (11) is arranged on one side of the arc-shaped plate (12), and the second U-shaped plate (11) is fixedly connected to the outer side of the annular cover (4). Two second springs (15) are fastened and connected symmetrically to each other between the arc-shaped plate (12) and the second U-shaped plate (11). A second sliding rod (14) is sleeved on the inner side of the second spring (15), and one end of the second sliding rod (14) is fixedly connected to the inner side surface of the arc-shaped plate (12), and the second sliding rod (14) is slidably connected to the second U-shaped plate (11).

4. The four-axis CNC drone with protection function according to claim 1, characterized in that: A sponge (13) is attached to the outer side of the arc-shaped plate (12).

5. The four-axis CNC drone with protection function according to claim 2, characterized in that: The outer side of the handle (8) is processed with anti-slip patterns.

6. The four-axis CNC drone with protection function according to claim 1, characterized in that: The outer side of the fan blade (3) does not contact the inner side of the annular cover (4), and the sizes of the fan blades (3) are matched.

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