Fire extinguishing unmanned aerial vehicle for emergency and fire fighting

Abstract

The utility model relates to the technical field of fire-fighting unmanned aerial vehicles, and discloses a fire extinguishing unmanned aerial vehicle for emergency and fire fighting, which comprises a vehicle body, supporting legs are fixed at four corners of the bottom of the vehicle body, a fire extinguishing agent storage box is mounted at the bottom of the vehicle body, vehicle arms are arranged at the four corners of the vehicle body, and driving devices are fixed at the tops of the vehicle arms. The top of the driving device is rotationally connected with a rotating shaft, and wings are fixed to the two sides of the rotating shaft. According to the fire extinguishing unmanned aerial vehicle for emergency and fire fighting, the protective covers are installed above the wings, when the vehicle body passes through smoke, flames or complex terrains, direct impact of foreign matter on the wing structures can be effectively reduced, the risk of out-of-control flight or air crash caused by impact is reduced, meanwhile, the protective covers are made of firm and durable materials, and the safety of the unmanned aerial vehicle is improved. The overall structural strength of the wing can be enhanced, the wing can be kept in a more stable flight state in a severe environment, and the service life of an airframe is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of firefighting drone technology, and in particular to a firefighting drone for emergency response and firefighting. Background Technology

[0002] Firefighting drones are unmanned aircraft controlled by radio remote control equipment and onboard programs. They are mainly used in the field of fire rescue and include various types, such as unmanned helicopters, fixed-wing aircraft, multi-rotor aircraft, unmanned airships, and unmanned paragliders. They are widely used in various fields. In China, many fire departments have successfully used drones for fire scene reconnaissance and monitoring, and dropping rescue supplies, with very obvious results.

[0003] Traditional firefighting drones used for emergency response and firefighting face smoke, flames, or complex terrain during firefighting operations. These environments contain various flight obstacles such as branches and rubble. Since existing equipment does not provide protection for the wings, these foreign objects can easily cause direct impacts to the wing structure, leading to the risk of loss of flight control or crash. Utility Model Content

[0004] The technical problem to be solved by this utility model is that existing fire-fighting drones used for emergency response and firefighting do not have protective measures for their wings, which makes them prone to loss of flight control or crashes. Therefore, we propose a fire-fighting drone for emergency response and firefighting.

[0005] To achieve the above objectives, this application adopts the following technical solution: a fire-fighting drone for emergency response and firefighting, comprising a body, with support legs fixed at each of the four corners of the bottom of the body, a fire extinguishing agent storage tank installed at the bottom of the body, and arms at each of the four corners of the body. A drive device is fixed to the top of each arm, and a rotating shaft is rotatably connected to the top of the drive device. Wings are fixed to both sides of the rotating shaft, and connecting seats are slidably connected to both sides of the drive device. Two support rods are fixed to one side of each connecting seat, and the support rods are arranged in a circle. A protective cover is fixed to the other end of each support rod.

[0006] Preferably, a lower housing is fixed to both sides of the arm, an upper housing is fixed to one side of the connecting seat, a screw is threadedly connected to the inside of the lower housing, a knob is fixed to one end of the screw, a limit block is fixed to the other end of the screw, a fixing plate is slidably connected to both sides inside the lower housing, a locking block is fixed to the top of the fixing plate, and a locking groove is opened at both ends of the upper housing to cooperate with the locking block.

[0007] Preferably, the limiting block is elliptical in shape, and the difference between the maximum and minimum diameters of the limiting block is greater than the diameter of the card block inserted into the card slot.

[0008] Preferably, a return spring is fixed to one side of the fixing plate, and the other end of the return spring is fixed to the lower housing.

[0009] Preferably, both sides of the lower housing are fixed with fixing rods, and the surface of the fixing plate is provided with a sliding groove that cooperates with the fixing rods.

[0010] Preferably, the surface of the screw is provided with a gasket, and the gasket is made of rubber.

[0011] Preferably, the inner side of the connecting seat is provided with a strip groove, the diameter of which is larger than the longitudinal diameter of the wing.

[0012] In this invention, by installing a protective shield above the wing, the aircraft can effectively reduce the direct impact of foreign objects on the wing structure when passing through smoke, flames, or complex terrain, thereby reducing the risk of flight loss of control or crash due to impact. At the same time, the protective shield is made of a strong and durable material, which can enhance the overall structural strength of the wing, enabling it to maintain a more stable flight state in harsh environments and extend the service life of the aircraft. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the boom structure of this utility model from below;

[0015] Figure 3 This is a schematic diagram of the wing structure of this utility model;

[0016] Figure 4 This is a schematic diagram of the protective cover structure of this utility model;

[0017] Figure 5 This is a schematic diagram of the internal disassembled structure of the shell of this utility model.

[0018] Legend: 1. Body; 2. Support leg; 3. Extinguishing agent storage tank; 4. Arm; 5. Drive unit; 6. Shaft; 7. Wing; 8. Connecting seat; 9. Support rod; 10. Protective cover; 11. Lower shell; 12. Upper shell; 13. Screw; 14. Knob; 15. Limiting block; 16. Fixing plate; 17. Locking block; 18. Locking groove; 19. Return spring; 20. Fixing rod; 21. Slide groove; 22. Gasket; 23. Strip groove. Detailed Implementation

[0019] The present invention will now be described in further detail with reference to the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0020] Reference Figure 1 - Figure 5 As shown, this utility model provides a technical solution: a fire-fighting drone for emergency response and firefighting, comprising a body 1, with support legs 2 fixed at each of the four corners of the bottom of the body 1, a fire extinguishing agent storage tank 3 installed at the bottom of the body 1, and arms 4 at each of the four corners of the body 1. A drive device 5 is fixed to the top of the arm 4, and a rotating shaft 6 is rotatably connected to the top of the drive device 5. Wings 7 are fixed to both sides of the rotating shaft 6, and connecting seats 8 are slidably connected to both sides of the drive device 5. Two support rods 9 are fixed to one side of each connecting seat 8. The support rods 9 are arranged in a circle, and a protective cover 10 is fixed to the other end of the support rods 9. By installing the protective cover 10 above the wings 7, the direct impact of foreign objects on the structure of the wings 7 can be effectively reduced when the body 1 passes through smoke, flames, or complex terrain, reducing the risk of flight loss of control or crash due to impact. At the same time, the protective cover 10 is made of a strong and durable material, which can enhance the overall structural strength of the wings 7, enabling them to maintain a more stable flight state in harsh environments and extending the service life of the body 1.

[0021] Reference Figure 5 As shown in this embodiment: both sides of the arm 4 are fixed with a lower housing 11, and one side of the connecting seat 8 is fixed with an upper housing 12. The lower housing 11 is internally threaded with a screw 13. One end of the screw 13 is fixed with a knob 14, and the other end of the screw 13 is fixed with a limit block 15. Both sides of the lower housing 11 are slidably connected with a fixing plate 16. The top of the fixing plate 16 is fixed with a locking block 17. Both ends of the upper housing 12 are provided with locking grooves 18 that cooperate with the locking block 17. One side of the fixing plate 16 is fixed with a return spring 19. The other end of the return spring 19 is fixed with the lower housing 11. By turning the knob 14, the screw 13 and the limit block 15 fixed with it are rotated and moved away from the fixing plate 16. At this time, the fixing plate 16 is pushed by the return force of the return spring 19, which drives the locking block 17 to disengage from the inside of the locking groove 18, thereby releasing the fixation of the upper housing 12. At this time, the user can remove the protective cover 10 from the drive device 5. The operation is simple and convenient and does not require special tools.

[0022] Reference Figure 5 As shown in this embodiment: the limiting block 15 is elliptical in shape, and the difference between the maximum and minimum diameters of the limiting block 15 is greater than the diameter of the card block 17 inserted into the card slot 18. Due to the elliptical nature of the limiting block 15, the difference between its maximum and minimum diameters is greater than the diameter of the card block 17 inserted into the card slot 18, which ensures the moving distance of the fixing plate 16 and can completely remove the card block 17 from the inside of the card slot 18, thus avoiding jamming.

[0023] Reference Figure 5As shown in this embodiment: both sides of the lower housing 11 are fixed with fixing rods 20, and the surface of the fixing plate 16 is provided with a sliding groove 21 that cooperates with the fixing rods 20. Through the structure of the fixing rods 20 and the sliding groove 21, the movement trajectory of the fixing plate 16 can be restricted to avoid tilting.

[0024] Reference Figure 5 As shown in this embodiment: a gasket 22 is provided on the surface of the screw 13. The gasket 22 is made of rubber. By setting the gasket 22 and utilizing the properties of its rubber material, the firmness between the knob 14 and the lower housing 11 can be further improved, preventing the knob 14 from becoming loose during the operation of the equipment and affecting the operation of the equipment.

[0025] Reference Figure 3 and Figure 4 As shown in this embodiment: a strip groove 23 is provided on the inner side of the connecting seat 8. The diameter of the strip groove 23 is larger than the longitudinal diameter of the wing 7. By setting the strip groove 23, it is convenient to fix the protective cover 10 to the drive device 5 through the wing 7. It is also suitable for disassembly operation.

[0026] By installing a protective shield 10 above the wing 7, the user can effectively reduce the direct impact of foreign objects on the wing 7 structure when the aircraft 1 passes through smoke, flames, or complex terrain, thus reducing the risk of flight loss of control or crash due to impact. Simultaneously, the protective shield 10, made of robust and durable materials, enhances the overall structural strength of the wing 7, enabling it to maintain a more stable flight state in harsh environments and extending the service life of the aircraft 1. By turning the knob 14, the screw 13 and the limiting block 15 fixed to it rotate and move away from the fixing plate 16. At this time, the fixing plate 16 is pushed by the return force of the return spring 19, causing the locking block 17 to disengage from the slot 18, thereby releasing the fixation to the upper housing 12. The user can then remove the protective shield 10 from the drive unit 5. The operation is simple. It is simple and convenient, requiring no special tools. Due to the elliptical shape of the limiting block 15, the difference between its maximum and minimum diameters is greater than the diameter of the insert block 17 into the slot 18. This ensures the movement distance of the fixing plate 16 and completely removes the insert block 17 from the slot 18, preventing jamming. The structure of the fixing rod 20 and the slide 21 restricts the movement trajectory of the fixing plate 16, preventing tilting. The setting of the gasket 22, and the use of its rubber material, further improves the firmness between the knob 14 and the lower housing 11, preventing the knob 14 from loosening during operation and affecting the operation of the equipment. The setting of the strip groove 23 facilitates the fixing of the protective cover 10 to the drive device 5 via the wing 7, and is also suitable for disassembly operations.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. 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 fire extinguishing drone for emergency and fire fighting, comprising a body (1), characterized in that: The bottom of the machine body (1) is fixed with support legs (2), the bottom of the machine body (1) is provided with a fire extinguishing agent storage tank (3), the four corners of the machine body (1) are provided with machine arms (4), the top of the machine arm (4) is fixed with a driving device (5), the top of the driving device (5) is rotatably connected with a rotating shaft (6), the two sides of the rotating shaft (6) are fixed with wings (7), the two sides of the driving device (5) are slidably connected with connecting seats (8), the connecting seats (8) are fixed with two support rods (9) on one side, the support rods (9) are arranged in a circle, the other end of the support rod (9) is fixed with a protective cover (10).

2. The fire extinguishing drone for emergency and fire fighting according to claim 1, characterized in that: The two sides of the machine arm (4) are fixed with lower housings (11), the connecting seat (8) is fixed with an upper housing (12) on one side, the inside of the lower housing (11) is threadedly connected with a screw rod (13), one end of the screw rod (13) is fixed with a knob (14), the other end of the screw rod (13) is fixed with a limiting block (15), the two sides of the inside of the lower housing (11) are slidably connected with fixed plates (16), the top of the fixed plate (16) is fixed with a clamping block (17), the two ends of the upper housing (12) are provided with clamping grooves (18) matched with the clamping block (17).

3. The fire extinguishing drone for emergency and fire fighting according to claim 2, characterized in that: The limiting block (15) is oval, and the difference between the maximum diameter and the minimum diameter of the limiting block (15) is greater than the diameter of the clamping block (17) inserted into the clamping groove (18).

4. The fire extinguishing drone for emergency and fire fighting of claim 2, wherein: One side of the fixed plate (16) is fixed with a return spring (19), and the other end of the return spring (19) is fixed with the lower housing (11).

5. The fire extinguishing drone for emergency and fire fighting of claim 2, wherein: The two sides of the inside of the lower housing (11) are fixed with fixed rods (20), and the surface of the fixed plate (16) is provided with sliding grooves (21) matched with the fixed rods (20).

6. The fire extinguishing drone for emergency and fire fighting of claim 2, wherein: The surface of the screw rod (13) is provided with a gasket (22), and the material of the gasket (22) is rubber material.

7. The fire extinguishing drone for emergency and fire fighting of claim 1, wherein: The inner side of the connecting seat (8) is provided with a strip-shaped groove (23), and the diameter of the strip-shaped groove (23) is greater than the longitudinal diameter of the wing (7).

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