Connecting device for pesticide spraying of unmanned aerial vehicle

Abstract

The connecting device comprises a pesticide box, the inner wall of the pesticide box is connected with two sets of fixing pipes A, the two sets of fixing pipes A are oppositely installed, leakage holes are formed in the surfaces of the fixing pipes A, the inner walls, away from the pesticide box, of the fixing pipes A are connected with compression springs A, the tail ends of the compression springs A are connected with baffles, and the baffles are connected with the pesticide box. The surface, away from the compression spring A, of the baffle is connected with a rubber layer, and medicine outlet holes are formed in the surface of the medicine box. According to the utility model, the medicine outlet hole, the supporting rod and the connecting pipe are arranged, so that the hose and the medicine box are connected more simply and conveniently, the supporting rod is connected with the medicine outlet hole, and the connecting pipe and the hose are fixed by the connecting piece, so that the medicine box and the hose are fixedly connected, and the baffle plate is separated from the medicine outlet hole by pushing the baffle plate through the supporting rod; the pesticide liquid in the pesticide box flows to the hose through the pesticide outlet hole and flows to the spray head from the hose, so that the pesticide is sprayed to the farmland.

Description

Technical Field

[0001] The utility model relates to the technical field of plant protection UAVs, in particular to a connection device for spraying pesticides from UAVs. Background Art

[0002] Plant protection drones, also known as unmanned aerial vehicles, are unmanned aircraft mainly used for agricultural and forestry plant protection operations. The drone structure consists of three parts: a flight platform, a navigation flight control system, and a spraying mechanism. Spraying operations are achieved through ground remote control or navigation flight control. It can be used to spray pesticides, seeds, powders and other substances on crops. Existing plant protection drones have too many spraying components when spraying pesticides, and the connection process is relatively complicated.

[0003] The defects of an existing spraying drone are:

[0004] Patent document CN207106901U discloses a pesticide spraying drone, comprising a drone mainframe, a central control system, propellers, a spray rack, a medicine box, and a drone support base. The central control system is disposed within the drone mainframe, which is also equipped with a location information acquisition device, an altitude detection device, an angular velocity sensor, and an acceleration sensor. The location information acquisition device, altitude detection device, angular velocity sensor, and acceleration sensor are all connected to the central control system. The drone support base comprises a base and legs, the base being connected to the bottom of the drone mainframe. The legs are disposed on the base, each leg having a barb disposed at the end thereof, a weighing sensor disposed on the barb, a positioning block disposed on the weighing sensor, a clamping block disposed on the side of the medicine box, a groove disposed in the clamping block, the positioning block connected to the groove of the clamping block, and a central shaft and stirring blades disposed within the medicine box. Advantages of this utility model include a simple structure, uniform mixing of the liquid medicine, and high operating efficiency.

[0005] However, the spraying drone disclosed in the above-mentioned public documents mainly considers how to make the liquid medicine mixed more evenly, for example, it does not consider the problem that the spraying drone has too many spraying components and the connection is relatively complicated.

[0006] In view of this, it is necessary to develop a connection device for drone spraying, which can improve the convenience of installing the spraying components of the spraying drone. Utility Model Content

[0007] The purpose of the present invention is to provide a connection device for a drone spraying medicine, so as to solve the problem in the above-mentioned background technology that the drone spraying medicine has too many spraying components and the connection is relatively complicated.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a connection device for spraying medicine by an unmanned aerial vehicle, comprising a medicine box, the inner wall of the medicine box being connected to a fixed tube A, the fixed tube A being installed in two groups and being installed relative to each other, a leakage hole being provided on the surface of the fixed tube A, the inner wall of the fixed tube A being connected to a compression spring A away from the medicine box, the tail end of the compression spring A being connected to a baffle, the surface of the baffle being connected to a rubber layer away from the compression spring A, a medicine outlet hole being provided on the surface of the medicine box, and the medicine outlet hole being connected to the surface of the rubber layer, a support rod being embedded in the inner wall of the medicine outlet hole, an infusion tube being provided at one end of the support rod close to the medicine outlet hole, a connecting tube being passed through the inner wall of the infusion tube, a hose being embedded in the surface of the connecting tube, a connecting piece being connected to the surface of the hose, a nozzle being passed through the surface of the nozzle, and the nozzle being connected to the surface of the support rod.

[0009] Preferably, the bottom of the medicine box is connected to a support, and a connecting rod is connected through the surface of the support. The connecting rods are installed in 4 groups and are installed in pairs relative to each other, and the fixing splints are fixed by the connecting rods.

[0010] Preferably, one end of the connecting rod is connected to a handle, and the handle is connected to the surface of the support, and the connecting rod is driven to move by pulling the handle.

[0011] Preferably, the surface of the connecting rod away from the handle is connected to a compression spring B, and the surface of the compression spring B is engaged with a fixing tube B. The elastic force of the compression spring B is used to fix the two sets of fixing splints to the support rod.

[0012] Preferably, one end of the compression spring B away from the support is connected to a fixing block, and the fixing block is connected to the inner wall of the fixing tube B, and the connecting rod is connected to the spring through the fixing block.

[0013] Preferably, the end of the connecting rod away from the handle is connected to a fixed splint, and the surface of the fixed splint away from the connecting rod is connected to a sponge layer, so that the sponge layer effectively increases the friction force on the support rod.

[0014] Preferably, the top of the support is connected to a drone body, and the drone body is located above the medicine box, and the drone body is used to drive the medicine box and the nozzle to rise and fall.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. The utility model is equipped with a medicine outlet, a support rod and a connecting pipe, thereby simplifying the connection between the hose and the medicine box. By connecting the support rod to the medicine outlet and fixing the connecting pipe and the hose with a connector, the medicine box and the hose are fixedly connected. By pushing the baffle with the support rod to separate the baffle from the medicine outlet, the liquid medicine in the medicine box flows through the medicine outlet to the hose, and then flows from the hose to the nozzle, thereby spraying pesticides on farmland.

[0017] 2. The utility model achieves the fixing effect of the liquid medicine spray nozzle by installing a connecting rod, a compression spring B and a fixed splint. By pulling the handle to drive the connecting rod, the connecting rod drives the fixed splint to move, so that the two sets of fixed splints are separated, and the support rod is placed between the fixed splints. When the handle is released, the compression spring B pushes the two sets of fixed splints to be fixedly connected to the support rod through the elastic force, so that the spray nozzle is fixedly connected to the support through the support rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the installation structure of the compression spring A and the baffle of the present invention;

[0020] Figure 3 This is a schematic diagram of the installation structure of the infusion tube and the connecting tube of the utility model;

[0021] Figure 4 This is a schematic diagram of the installation structure of the compression spring B and the fixed splint of the present invention.

[0022] In the figure: 1. Medicine box; 2. Fixed tube A; 3. Leakage hole; 4. Compression spring A; 5. Baffle; 6. Rubber layer; 7. Medicine outlet; 8. Support rod; 9. Infusion tube; 10. Connecting tube; 11. Hose; 12. Connecting piece; 13. Nozzle; 14. Support; 15. Connecting rod; 16. Handle; 17. Compression spring B; 18. Fixed tube B; 19. Fixed block; 20. Fixed splint; 21. Sponge layer; 22. UAV body. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0026] See also Figure 1 、 Figure 2 and Figure 3 , the utility model provides an embodiment of a connection device for spraying medicine from a drone, comprising a medicine box 1, the inner wall of the medicine box 1 is connected to a fixed tube A2, the fixed tube A2 is installed in two groups and is installed relatively, a leakage hole 3 is provided on the surface of the fixed tube A2, the fixed tube A2 is connected to a compression spring A4 away from the inner wall of the medicine box 1, the tail end of the compression spring A4 is connected to a baffle 5, the surface of the baffle 5 away from the compression spring A4 is connected to a rubber layer 6, a medicine outlet hole 7 is provided on the surface of the medicine box 1, and the medicine outlet hole 7 is connected to the surface of the rubber layer 6, the inner wall of the medicine outlet hole 7 is embedded with a support rod 8, the end of the support rod 8 close to the medicine outlet hole 7 is provided with an infusion tube 9, the inner wall of the infusion tube 9 is penetrated by a connecting tube 10, the surface of the connecting tube 10 is embedded with a hose 11, the surface of the hose 11 is connected with a connector 12, the surface of the hose 11 is penetrated by a nozzle 13, and the nozzle 13 is connected to the surface of the support rod 8.

[0027] Furthermore, during use, when it is necessary to use a drone to spray pesticides, after installing the medicine box 1 filled with the liquid medicine, connect the nozzle 13 to the hose 11, install the nozzle 13 on the support rod 8, connect one end of the hose 11 to the connecting pipe 10, and fix it with the connector 12, connect the support rod 8 to the medicine outlet 7, push the support rod 8, so that the support rod 8 pushes the baffle 5 closer to the fixed tube A2, at this time the baffle 5 is separated from the medicine outlet 7, and the solution in the medicine box 1 flows through the leakage hole 3 to the infusion pipe 9, flows through the infusion pipe 9 to the hose 11, and flows through the hose 11 to the nozzle 13.

[0028] See also Figure 1 and Figure 4 The bottom of the medicine box 1 is connected to a support 14, and a connecting rod 15 is connected to the surface of the support 14. The connecting rods 15 are installed in 4 groups, and are installed in pairs opposite to each other. One end of the connecting rod 15 is connected to a handle 16, and the handle 16 is connected to the surface of the support 14. The surface of the connecting rod 15 away from the handle 16 is connected to a compression spring B17, and the surface of the compression spring B17 is engaged with a fixed tube B18. The end of the compression spring B17 away from the support 14 is connected to a fixed block 19, and the fixed block 19 is connected to the inner wall of the fixed tube B18. The end of the connecting rod 15 away from the handle 16 is connected to a fixed splint 20, and the surface of the fixed splint 20 away from the connecting rod 15 is connected to a sponge layer 21. The top of the support 14 is connected to a drone body 22, and the drone body 22 is located above the medicine box 1.

[0029] Furthermore, when the liquid medicine nozzle 13 is fixedly installed, after the nozzle 13 is connected to the hose 11, the nozzle 13 is installed on the support rod 8, and the handle 16 is pulled. The handle 16 drives the connecting rod 15 to move in the direction close to the support 14, and the connecting rod 15 drives the fixed splint 20 to move, so that the two sets of fixed splints 20 are separated, and the support rod 8 is placed between the two sets of fixed splints 20. The handle 16 is released. At this time, the compression spring B17 pushes the fixed block 19 to move in the direction away from the support 14 through its elastic force. The fixed block 19 drives the connecting rod 15 to move, and the connecting rod 15 drives the fixed splint 20 to approach the support rod 8. Under the elastic force of the compression spring B17, the two sets of fixed splints 20 are fixedly connected to the support rod 8. At this time, the sponge layer 21 effectively increases the friction force on the support rod 8, thereby preventing the support rod 8 from sliding, and effectively enhancing the fixing effect of the support rod 8.

[0030] Working principle: When it is necessary to use the drone body 22 to spray pesticides, fix the medicine box 1 to the support 14, connect the nozzle 13 to the hose 11, install the nozzle 13 on the support rod 8, pull the handle 16, the handle 16 drives the connecting rod 15 to move in the direction close to the support 14, the connecting rod 15 drives the fixed splint 20 to move, separates the two sets of fixed splints 20, places the support rod 8 between the two sets of fixed splints 20, releases the handle 16, at this time, the compression spring B17 pushes the fixed block 19 to move away from the support 14 through its elastic force, the fixed block 19 drives the connecting rod 15 to move, the connecting rod 15 drives the fixed splint 20 to move close to the support rod 8, under the elastic force of the compression spring B17 Under, two groups of fixed splints 20 are fixedly connected to the support rod 8. At this time, the sponge layer 21 effectively increases the acting force between the fixed splints 20 and the support rod 8, thereby effectively preventing the support rod 8 from sliding. One end of the hose 11 is connected to the connecting pipe 10, and fixed with a connector 12, and the support rod 8 is connected to the medicine outlet 7. The support rod 8 is pushed so that the support rod 8 pushes the baffle 5 closer to the fixed tube A2. At this time, the baffle 5 is separated from the medicine outlet 7, and the solution in the medicine box 1 flows through the leakage hole 3 to the infusion pipe 9, and flows to the hose 11 through the infusion pipe 9, and flows to the nozzle 13 through the hose 11. The nozzle 13 is turned on, and the drone body 22 is started to drive the medicine box 1 and the nozzle 13 to fly, so that the medicine flows out from the nozzle 13 and is sprayed on the surface of the crops.

[0031] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A connection device for spraying medicine on an unmanned aerial vehicle, comprising a medicine box (1), characterized in that: The inner wall of the medicine box (1) is connected to a fixed tube A (2), the number of the fixed tubes A (2) being installed is 2 sets, and they are installed opposite to each other, the surface of the fixed tubes A (2) is provided with a leakage hole (3), the inner wall of the fixed tubes A (2) away from the medicine box (1) is connected to a compression spring A (4), and the tail end of the compression spring A (4) is connected to a baffle (5); The surface of the baffle (5) away from the compression spring A (4) is connected to a rubber layer (6); the surface of the medicine box (1) is provided with a medicine outlet hole (7), and the medicine outlet hole (7) is connected to the surface of the rubber layer (6); the inner wall of the medicine outlet hole (7) is connected with a support rod (8); the end of the support rod (8) close to the medicine outlet hole (7) is provided with an infusion tube (9), and the infusion tube (9) is connected with the inner wall of the medicine outlet hole (7); A connecting tube (10) is connected to the inner wall of the infusion tube (9), a hose (11) is connected to the surface of the connecting tube (10), a connecting piece (12) is connected to the surface of the hose (11), a nozzle (13) is connected to the surface of the hose (11), and the nozzle (13) is connected to the surface of the support rod (8).

2. A connection device for spraying medicine on a drone according to claim 1, characterized in that: The bottom of the medicine box (1) is connected to a support (14), and the surface of the support (14) is penetrated by a connecting rod (15). The number of the connecting rods (15) installed is 4 groups, and they are installed in pairs opposite to each other.

3. A connection device for spraying medicine on a drone according to claim 2, characterized in that: One end of the connecting rod (15) is connected to a handle (16), and the handle (16) is connected to the surface of the support (14).

4. A connection device for spraying medicine on a drone according to claim 2, characterized in that: The surface of the connecting rod (15) away from the handle (16) is connected to a compression spring B (17), and the surface of the compression spring B (17) is engaged with a fixing tube B (18).

5. A connection device for spraying medicine on a drone according to claim 4, characterized in that: One end of the compression spring B (17) away from the support (14) is connected to a fixing block (19), and the fixing block (19) is connected to the inner wall of the fixing tube B (18).

6. The connection device for spraying medicine on a drone according to claim 2, characterized in that: One end of the connecting rod (15) away from the handle (16) is connected to a fixed splint (20), and a surface of the fixed splint (20) away from the connecting rod (15) is connected to a sponge layer (21).

7. The connection device for spraying medicine on a drone according to claim 2, characterized in that: The top of the support (14) is connected to a drone body (22), and the drone body (22) is located above the medicine box (1).

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