Unmanned aerial vehicle pod retracting and releasing mechanism

Abstract

The unmanned aerial vehicle pod retracting and releasing mechanism comprises a vehicle body, a rectangular groove is formed in the bottom end of the vehicle body, a door closing mechanism covering the rectangular groove is arranged at the bottom of the vehicle body, two fixing boxes are vertically and fixedly connected to the inner wall of the bottom end of the vehicle body, and lead screws are vertically and rotationally connected to the inner walls of the bottom ends of the two fixing boxes correspondingly; the tops of the two lead screws are rotationally connected with the same fixing plate, the two lead screws both penetrate through the fixing plate, a cabin is arranged below the fixing plate, and a movement mechanism which rotates firstly and then puts down the cabin is arranged in the machine body. According to the unmanned aerial vehicle pod, the rectangular groove in the bottom of the unmanned aerial vehicle is covered, a large amount of wind is prevented from entering the unmanned aerial vehicle body in the flying process of the unmanned aerial vehicle, the influence on the flying speed of the unmanned aerial vehicle is reduced, and therefore the working efficiency of the unmanned aerial vehicle is improved, the unmanned aerial vehicle pod is convenient to fold and unfold, and the space of the unmanned aerial vehicle is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of drone pod retraction and extension, in particular to a drone pod retraction and extension mechanism. Background Art

[0002] A drone is an unpiloted aircraft controlled by a radio remote control device and a self - contained program control device, or is completely or intermittently autonomously operated by an on - vehicle computer. Civil drones are usually used for aerial photography, agriculture, plant protection, micro - self - shooting, express delivery, disaster relief, observing wild animals, etc. In agriculture, it is necessary to place a medicine barrel on the drone pod and then the crops can be sprayed.

[0003] After the existing drone pod retraction and extension mechanism realizes the retraction and extension of the pod, there is still a rectangular groove for placing the pod at the bottom of the drone. If the rectangular groove is not closed, when the drone is flying in the air, a large amount of wind will pour into the drone body during flight, which will affect the flight speed of the drone and thus reduce the working efficiency of the drone. Therefore, this patent proposes a drone pod retraction and extension mechanism to solve such problems. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the defects existing in the prior art, and to propose a drone pod retraction and extension mechanism.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A drone pod retraction and extension mechanism includes a fuselage. A rectangular groove is opened at the bottom end of the fuselage. A door - closing mechanism covering the rectangular groove is arranged at the bottom of the fuselage. Two fixed boxes are vertically and fixedly connected to the inner wall of the bottom end of the fuselage. A lead screw is vertically and rotatably connected to the inner wall of the bottom end of each of the two fixed boxes. The tops of the two lead screws are rotatably connected to the same fixing plate. The two lead screws both penetrate through the fixing plate. A pod is arranged below the fixing plate. A motion mechanism for first rotating and then lowering the pod is arranged inside the fuselage.

[0007] Preferably, the motion mechanism includes sliders. There are two sliders. The two sliders are respectively in threaded connection with the two lead screws. The two sliders are on the same horizontal plane. A round rod is horizontally rotatably connected between the two sliders. Second chutes adapted to the round rod are opened on one side of each of the two fixed boxes close to each other. An installation plate is fixedly connected to the round rod. The pod is fixedly connected to one side of the installation plate.

[0008] Preferably, one side of the mounting plate is fixedly connected with a defective gear, and a second rack adapted to the defective gear is fixedly connected to the inner wall of the bottom end of the machine body. The defective gear meshes with the second rack. The top ends of the two lead screws are fixedly connected with second belt pulleys, and the same second belt is wound around the two second belt pulleys. The top end of the fixing plate is fixedly connected with a rectangular box, the rectangular box is open at one end, and the top end of the rectangular box is fixedly connected with a second motor. The output end of the second motor is coaxially fixedly connected to one end of the second belt pulley.

[0009] Preferably, the door closing mechanism includes a cross plate. Both sides of the top end of the cross plate are fixedly connected with sliding strips. Two first chutes adapted to the sliding strips are opened at the bottom end of the machine body. The two sliding strips respectively slide in the two first chutes. First racks are fixedly connected to both sides of the cross plate. Two first gears adapted to the first racks are rotatably connected to the bottom end of the machine body. The two first gears respectively mesh with the two first racks.

[0010] Preferably, connecting rods are fixedly connected to the top ends of the two first gears. The two connecting rods both pass through the bottom end of the machine body, and the top ends of the two connecting rods are fixedly connected with first belt pulleys.

[0011] Preferably, two second gears are rotatably connected to the inner wall of the bottom end of the machine body. Two other first belt pulleys are fixedly connected to the top ends of the two second gears. The same first belt is wound around every two first belt pulleys.

[0012] Preferably, an L-shaped plate is fixedly connected to the inner wall of the bottom end of the machine body. A first motor is fixedly connected to the top end of the L-shaped plate. The output end of the first motor is coaxially fixedly connected to the top end of one of the first belt pulleys.

[0013] The beneficial effects of the present utility model are as follows:

[0014] 1. By arranging the first gear and the second gear, the rectangular groove at the bottom of the drone is covered, avoiding a large amount of wind from pouring into the drone body during the flight of the drone, reducing the influence on the flight speed of the drone, and thus improving the working efficiency of the drone.

[0015] 2. By arranging the defective gear and the lead screw, the movement and rotation of the drone pod are realized, facilitating the retraction and deployment of the drone pod, and saving the space of the drone. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 FIG. is a schematic diagram of the overall structure of a drone pod retraction and deployment mechanism proposed by the present utility model;

[0017] Figure 2 FIG. is a schematic diagram of the internal structure of a drone pod retraction and deployment mechanism proposed by the present utility model;

[0018] Figure 3 Schematic diagram of the internal structure of a fixed box of a retractable mechanism for a drone pod proposed by the present utility model;

[0019] Figure 4 Schematic diagram of the round rod structure of a retractable mechanism for a drone pod proposed by the present utility model.

[0020] In the figure: 1, airframe; 2, rectangular groove; 3, cross plate; 4, first rack; 5, first gear; 6, first chute; 7, slide bar; 8, connecting rod; 9, first belt pulley; 10, first belt; 11, second gear; 12, L-shaped plate; 13, first motor; 14, fixed box; 15, second chute; 16, second rack; 17, missing gear; 18, lead screw; 19, fixing plate; 20, rectangular box; 21, second motor; 22, mounting plate; 23, second belt pulley; 24, second belt; 25, slider; 26, round rod; 27, pod. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0022] Referring to Figures 1-4 , a retractable mechanism for a drone pod includes an airframe 1. A rectangular groove 2 is opened at the bottom end of the airframe 1. A closing mechanism covering the rectangular groove 2 is provided at the bottom of the airframe 1. Two fixed boxes 14 are vertically and fixedly connected to the inner wall of the bottom end of the airframe 1. Lead screws 18 are vertically rotatably connected to the inner walls of the bottoms of the two fixed boxes 14. The tops of the two lead screws 18 are rotatably connected to the same fixing plate 19. The two lead screws 18 both penetrate through the fixing plate 19. A pod 27 is provided below the fixing plate 19. A motion mechanism for first rotating and then lowering the pod 27 is provided inside the airframe 1.

[0023] Among them, for a retractable mechanism for a drone pod, the motion mechanism includes two sliders 25. The two sliders 25 are respectively threadedly connected to the two lead screws 18. The two sliders 25 are on the same horizontal plane. A round rod 26 is horizontally rotatably connected between the two sliders 25. Second chutes 15 adapted to the round rod 26 are opened on one side of the two fixed boxes 14 close to each other. A mounting plate 22 is fixedly connected to the round rod 26. The pod 27 is fixedly connected to one side of the mounting plate 22.

[0024] Among them, a retractable mechanism for a UAV pod, on one side of the mounting plate 22, a deficient gear 17 is fixedly connected. On the inner wall of the bottom end of the fuselage 1, a second rack 16 adapted to the deficient gear 17 is fixedly connected. The deficient gear 17 meshes with the second rack 16. At the top ends of two lead screws 18, a second belt pulley 23 is fixedly connected. Around the two second belt pulleys 23, the same second belt 24 is wound. At the top end of the fixed plate 19, a rectangular box 20 is fixedly connected. The rectangular box 20 is open at one end. At the top end of the rectangular box 20, a second motor 21 is fixedly connected. The output end of the second motor 21 is coaxially fixedly connected to one end of the second belt pulley 23.

[0025] Among them, a retractable mechanism for a UAV pod, the closing mechanism includes a cross plate 3. On both sides of the top end of the cross plate 3, slide bars 7 are fixedly connected. At the bottom end of the fuselage 1, two first chutes 6 adapted to the slide bars 7 are opened. The two slide bars 7 respectively slide in the two first chutes 6. On both sides of the cross plate 3, first racks 4 are fixedly connected. At the bottom end of the fuselage 1, two first gears 5 adapted to the first racks 4 are rotatably connected. The two first gears 5 respectively mesh with the two first racks 4.

[0026] Among them, a retractable mechanism for a UAV pod, at the top ends of the two first gears 5, connecting rods 8 are fixedly connected. The two connecting rods 8 both pass through the bottom end of the fuselage 1. At the top ends of the two connecting rods 8, a first belt pulley 9 is fixedly connected.

[0027] Among them, a retractable mechanism for a UAV pod, on the inner wall of the bottom end of the fuselage 1, two second gears 11 are rotatably connected. At the top ends of the two second gears 11, two other first belt pulleys 9 are fixedly connected. Around every two first belt pulleys 9, the same first belt 10 is wound.

[0028] Among them, a retractable mechanism for a UAV pod, on the inner wall of the bottom end of the fuselage 1, an L-shaped plate 12 is fixedly connected. At the top end of the L-shaped plate 12, a first motor 13 is fixedly connected. The output end of the first motor 13 is coaxially fixedly connected to the top end of one of the first belt pulleys 9.

[0029] Working principle: First, turn on the first motor 13. With the start of the first motor 13, under the action of the first belt 10 and the two second gears 11, the two first gears 5 are driven to rotate in different directions, thereby driving the cross plate 3 to slide towards one side of the machine body 1. Then, turn on the second motor 21. Under the action of the second belt 24, the two lead screws 18 are driven to rotate, thereby driving the two sliders 25 to move downward. When the missing gear 17 moves downward, under the action of the second rack 16, the mounting plate 22 is driven to rotate. After use, the second motor 21 can be turned on in reverse to drive the two sliders 25 to move upward. Under the action of the second rack 16, the mounting plate is driven to rotate in the reverse direction. Then, the first motor 13 can be turned on in reverse. Under the action of the first belt 10 and the two second gears 11, the two first gears 5 are driven to rotate in the reverse direction, thereby driving the slide plate 3 to slide towards the middle of the machine body 1, thereby covering the rectangular groove 2.

[0030] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. An unmanned aerial vehicle pod retracting and extending mechanism, comprising an airframe (1), characterized in that, A rectangular groove (2) is formed at the bottom end of the body (1). A door closing mechanism covering the rectangular groove (2) is provided at the bottom of the body (1). Two fixed boxes (14) are vertically and fixedly connected to the inner wall of the bottom end of the body (1). The inner walls of the bottom ends of the two fixed boxes (14) are vertically rotatably connected to screw rods (18). The tops of the two screw rods (18) are rotatably connected to the same fixing plate (19). The two screw rods (18) penetrate through the fixing plate (19). A cabin body (27) is provided below the fixing plate (19). A motion mechanism for first rotating and then lowering the cabin body (27) is provided inside the body (1).

2. The retractable mechanism of a drone pod according to claim 1, characterized in that, The motion mechanism includes sliders (25). There are two sliders (25). The two sliders (25) are respectively in threaded connection with the two screw rods (18). The two sliders (25) are on the same horizontal plane. A round rod (26) is horizontally rotatably connected between the two sliders (25). Second chutes (15) adapted to the round rod (26) are formed on the sides of the two fixed boxes (14) close to each other. A mounting plate (22) is fixedly connected to the round rod (26). The cabin body (27) is fixedly connected to one side of the mounting plate (22).

3. The retractable mechanism of a drone pod according to claim 2, characterized in that, A deficient gear (17) is fixedly connected to one side of the mounting plate (22). A second rack (16) adapted to the deficient gear (17) is fixedly connected to the inner wall of the bottom end of the body (1). The deficient gear (17) is engaged with the second rack (16). Second belt pulleys (23) are fixedly connected to the tops of the two screw rods (18). The same second belt (24) is wound around the two second belt pulleys (23). A rectangular box (20) is fixedly connected to the top end of the fixing plate (19). The rectangular box (20) has an open end. A second motor (21) is fixedly connected to the top end of the rectangular box (20). The output end of the second motor (21) is coaxially fixedly connected to one end of the second belt pulley (23).

4. The retractable mechanism for a drone pod according to claim 1, characterized in that, The door closing mechanism includes a cross plate (3). Slide bars (7) are fixedly connected to both sides of the top end of the cross plate (3). Two first chutes (6) adapted to the slide bars (7) are formed at the bottom end of the body (1). The two slide bars (7) slide in the two first chutes (6) respectively. First racks (4) are fixedly connected to both sides of the cross plate (3). Two first gears (5) adapted to the first racks (4) are rotatably connected to the bottom end of the body (1). The two first gears (5) are respectively engaged with the two first racks (4).

5. The retractable mechanism for a drone pod according to claim 4, characterized in that Connecting rods (8) are fixedly connected to the tops of the two first gears (5). The two connecting rods (8) both pass through the bottom end of the body (1). First belt pulleys (9) are fixedly connected to the tops of the two connecting rods (8).

6. The retractable mechanism for a drone pod according to claim 1, wherein Two second gears (11) are rotatably connected to the inner wall of the bottom end of the body (1). Two other first belt pulleys (9) are fixedly connected to the tops of the two second gears (11). The same first belt (10) is wound around every two first belt pulleys (9).

7. The retractable mechanism of a drone pod according to claim 1, characterized in that, The inner wall of the bottom end of the body (1) is fixedly connected with an L-shaped plate (12), the top end of the L-shaped plate (12) is fixedly connected with a first motor (13), and the output end of the first motor (13) is coaxially and fixedly connected to the top end of one of the first belt pulleys (9).

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