Quantitative putting device for plant protection of unmanned aerial vehicle

By controlling the movement of the metal U-strip with an electromagnet to adjust the state of the tube, combined with the strap buckle design, the problem of low flow control and disassembly efficiency of drone plant protection devices is solved, realizing quantitative delivery and rapid assembly and disassembly.

CN223850818UActive Publication Date: 2026-01-30广西农业职业技术大学 +1
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Patent Information

Application Number
CN202520601354.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-01-30
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

Existing drone-based plant protection devices cannot achieve effective quantitative control of flow rate, and the disassembly process is inefficient, affecting usage efficiency.

Method used

The up-and-down movement of the metal U-strip is controlled by an electromagnet to adjust the flow of the X-ray tube. Combined with the design of the strap buckle, quantitative dispensing and quick assembly/disassembly are achieved.

Benefits of technology

It enables quantitative control of liquid dispensing, improves the efficiency of device assembly and disassembly, and enhances ease of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a quantitative throwing device for unmanned aerial vehicle plant protection, and relates to the technical field related to unmanned aerial vehicles. The device comprises a throwing box, a mounting frame is arranged on the upper end face of the throwing box, two bandage buckles sleeving the surface side of the throwing box are arranged below the mounting frame, a quantitative cylinder is connected to the lower end face of the throwing box through bolts, a bulb tube is arranged in the quantitative cylinder, a single-hole ball block is rotationally arranged in the bulb tube, and a toothed plate is fixed to the end, penetrating through a shaft rod of the surface wall of the bulb tube, of the single-hole ball block. An electromagnet is fixed on the inner bottom surface of the quantitative cylinder, a vertically arranged metal U-shaped strip is arranged in the quantitative cylinder right above the electromagnet, a tooth opening formed in the surface side of the metal U-shaped strip is meshed with the toothed plate, and a plurality of feeding pipes which are annularly and uniformly distributed along the peripheral side are fixed on the surface wall of the quantitative cylinder. According to the utility model, the vertical movement of the metal U-shaped strip and the unblocking and blocking of the bulb tube are controlled through the power-on and power-off of the electromagnet, so that quantitative throwing is realized, and meanwhile, the effect of quick assembly and disassembly is realized through the use of the bandage buckle.
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Description

Technical Field

[0001] This utility model belongs to the field of drone-related technology, and in particular relates to a quantitative delivery device for drone-based plant protection. Background Technology

[0002] With the rapid development of drones, smarter products have created a wider range of demands and applications. Drones can be used for spraying pesticides to protect plants. Agricultural drones are essentially solving the problem of unmanned agriculture and providing farmers with a complete production solution. Therefore, a delivery device is required during their use.

[0003] However, existing drone delivery devices cannot effectively control the start and stop of delivery, thus failing to provide rapid and quantitative control over the delivery rate. Furthermore, most delivery devices are directly bolted to the drone, requiring individual tightening of the bolts each time they are disassembled, significantly impacting assembly and disassembly efficiency. To address these issues, we provide a quantitative delivery device for drone-based agricultural applications. Utility Model Content

[0004] The purpose of this utility model is to provide a quantitative delivery device for plant protection using drones. By switching the electromagnet on and off, the up and down movement of the metal U-strip is controlled, and the opening and closing of the tube is controlled, thereby achieving quantitative delivery. At the same time, the use of strap buckles enables quick assembly and disassembly.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model is a quantitative delivery device for plant protection using drones, including a delivery box; a mounting frame is provided on the upper end of the delivery box, and two strap buckles are provided below the mounting frame to fit on the surface of the delivery box; a quantitative cylinder is bolted to the lower end of the delivery box; a ball tube is provided inside the quantitative cylinder; a single-hole ball is rotatably arranged inside the ball tube; a toothed plate is fixed to the end of the shaft of the single-hole ball that passes through the surface of the ball tube; an electromagnet is fixed to the bottom surface of the quantitative cylinder; a vertically arranged metal U-strip is provided inside the quantitative cylinder located directly above the electromagnet; the teeth on the surface of the metal U-strip mesh with the toothed plate; and delivery tubes are inserted into multiple through holes on the surface of the quantitative cylinder in a ring-shaped arrangement along the circumference.

[0007] The present invention is further configured such that a positioning strip is fixedly inserted into the recess on the side of the delivery box at the position corresponding to the position of the strap buckle on the lower end of the mounting bracket, and the two ends of the strap buckle are respectively fixedly connected to the end face of the adjacent positioning strip.

[0008] The utility model further sets up, the mounting frame side wall on both ends of positioning strip all are equipped with locking hole, and the mounting frame passes through bolt and is connected with the bottom bolt connection of unmanned aerial vehicle through locking hole.

[0009] The utility model further sets up, the connecting pipe of ball tube upper end port fixed is connected with the water pipe flange of drop box, and the lower end surface of ball tube is fixed with combination cylinder, and the port of the end wall of combination cylinder of many drop pipes is connected through adapter.

[0010] The utility model further sets up, the position between the two convex ends of metal U strip is provided with positioning rod, and the upper convex end of metal U strip is equipped with positioning hole at the position of corresponding positioning rod, and the lower end surface of positioning rod is fixed with baffle whose diameter is greater than the hole diameter of positioning hole.

[0011] The utility model further sets up, the upper end surface of positioning rod passes through positioning hole and is fixed with mounting plate, and mounting plate is fixedly connected with the inner wall of dosing cylinder.

[0012] The utility model further sets up, the upper end surface of baffle is fixed with spring that is sleeved on positioning rod, and the upper end surface of spring is in abutment with the inner wall of metal U strip.

[0013] The utility model has the advantages of:

[0014] 1, control electromagnet power, electromagnet attracts metal U strip to move down by this, and metal U strip drives the rotation of toothed plate, and opens single hole ball block in ball tube, makes the upper and lower pipe orifice of ball tube connect, further, the liquid of drop box is filled, and the power of control electromagnet is cut off, and metal U strip will reset upwards, and control single hole ball block resets and blocks the inside of ball tube, realizes quantitative drop.

[0015] 2, the buckle of bandage is passed around the notch position of drop box surface wall, and the buckle of bandage is buckled in the bottom position of drop box, so that the stability between drop box and mounting frame is improved, and after the buckle of bandage is opened, the two can be quickly disassembled, realize the effect of quick assembly and disassembly.

[0016] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages above. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0018] Figure 1 It is the structural schematic diagram of the utility model.

[0019] Figure 2 It is the structure diagram of the quantitative cylinder, the throwing pipe and the ball pipe in the utility model.

[0020] Figure 3 It is the structure diagram of the mounting frame in the utility model.

[0021] Figure 4 It is the structure combination diagram of the quantitative cylinder and the ball pipe in the utility model.

[0022] Figure 5 It is the structure diagram of the metal U strip and the positioning rod in the utility model.

[0023] Figure 6 It is the internal structure diagram of the ball pipe in the utility model.

[0024] In the drawings, the component list represented by each mark is as follows:

[0025] 1-throwing box, 2-mounting frame, 201-positioning strip, 202-buckle, 203-locking hole, 3-quantitative cylinder, 301-throwing pipe, 302-electromagnet, 303-metal U strip, 304-positioning rod, 305-baffle, 306-spring, 307-mounting plate, 308-positioning hole, 4-ball pipe, 401-connection pipe, 402-combination cylinder, 403-single-hole ball block, 404-tooth plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Embodiment 1, please refer to Figures 1 to 6 The utility model discloses a quantitative throwing device for unmanned aerial vehicle plant protection, through the on-off electricity of electromagnet 302, the up-down movement of metal U strip 303 is controlled, the through block of ball pipe 4 is controlled, thereby realizing quantitative throwing, and through the use of buckle 202, the function of quick assembly and disassembly is realized.

[0028] Specifically, the box 1 is put in; the upper end face of the box 1 is provided with a mounting frame 2, the lower part of the mounting frame 2 is provided with two bandage buckles 202 which are sleeved on the surface of the box 1, the lower end face of the box 1 is bolted with a quantitative cylinder 3, the inside of the quantitative cylinder 3 is provided with a bulb 4, the inside of the bulb 4 is rotatably provided with a single-hole ball block 403, the shaft end of the single-hole ball block 403 is fixed with a toothed plate 404 which penetrates through the surface wall of the bulb 4, the inside of the quantitative cylinder 3 which is located above the electromagnet 302 is provided with a metal U-shaped strip 303 which is vertically arranged, the toothed opening which is formed on the surface of the metal U-shaped strip 303 is engaged with the toothed plate 404, a plurality of through holes which are formed on the surface wall of the quantitative cylinder 3 are respectively inserted with a plurality of drop pipes 301 which are annularly and uniformly arranged along the circumferential side, the connecting pipe 401 which is fixed on the upper end of the bulb 4 is connected with the water outlet flange of the box 1, the lower end face of the bulb 4 is fixed with a combination cylinder 402, a plurality of drop pipes 301 are respectively connected with the ports which are close to the surface wall of the combination cylinder 402 through the adapter.

[0029] The operation process of the embodiment is as follows: through the use of the above structure, the mounting frame 2 is fixed on the unmanned aerial vehicle, so that the box 1 is assembled on the lower part of the unmanned aerial vehicle, then the drop pipes 301 are respectively installed on the arms of the unmanned aerial vehicle, so that when the unmanned aerial vehicle is controlled to fly, the liquid in the box 1 can be caused to flow from the position of the bulb 4 to the corresponding drop pipes 301, so that the liquid is sprayed out, and when the spraying amount of the liquid is controlled, the electromagnet 302 is controlled to be powered on, at this time, the electromagnet 302 attracts the metal U-shaped strip 303 to move downward, so that the metal U-shaped strip 303 drives the toothed plate 404 to rotate, and the single-hole ball block 403 is opened in the bulb 4, so that the upper and lower ports of the bulb 4 are connected, and then the liquid in the box 1 is poured in, and when the electromagnet 302 is controlled to be powered off, the metal U-shaped strip 303 is reset upward, the single-hole ball block 403 is reset and the inside of the bulb 4 is blocked, and through the on-off power work of the electromagnet 302, the quantitative dropping is realized.

[0030] Meanwhile, the mounting frame 2 is arranged at the upper end position of the box 1, the bandage buckles 202 are passed from the notch positions of the surface wall of the box 1, and the bandage buckles 202 are buckled with each other at the bottom position of the box 1, so that the stability between the box 1 and the mounting frame 2 is improved, and after the bandage buckles 202 are opened, the box 1 and the mounting frame 2 can be quickly disassembled, so that the quick assembly and disassembly effect is realized.

[0031] It should be noted that the electromagnet 302 is powered by the built-in power supply of the unmanned aerial vehicle, and the on-off control is controlled by the remote controller of the unmanned aerial vehicle. Meanwhile, the delivery pipe 301 can use a soft pipe for spraying liquid, or use a hard pipe arranged in an inclined manner. The hard pipe can be used for delivering solid particles to fertilize plants. Meanwhile, the delivery pipe 301 can be detached from the combination cylinder 402, and the through hole position of the delivery pipe 301 on the outer wall of the metering cylinder 3 can be pulled out, so that the delivery pipe 301 can be replaced.

[0032] Embodiment 2, please refer to Figure 1 and Figure 3 On the basis of embodiment 1, the positioning strip 201 limits the binding buckle 202 and the mounting frame 2 to ensure the stability of the assembly between the mounting frame 2 and the delivery box 1.

[0033] Specifically, the lower end surface of the mounting frame 2 is fixed with the positioning strip 201 inserted into the notch position on the outer wall of the delivery box 1 at the position corresponding to the binding buckle 202. The two ends of the binding buckle 202 are fixedly connected with the end surfaces of the adjacent positioning strips 201. The locking holes 203 are arranged on the side walls of the mounting frame 2 at the two ends of the positioning strips 201. The mounting frame 2 is bolted to the bottom of the unmanned aerial vehicle through the locking holes 203.

[0034] The operation process of the embodiment is as follows: when the mounting frame 2 is at the upper end surface position of the delivery box 1, the positioning strip 201 is inserted into the notch position on the outer wall of the delivery box 1, and then the positioning strip 201 limits the mounting frame 2 and the binding buckle 202 to avoid the sliding of the binding buckle 202 on the delivery box 1. Meanwhile, the bolt is passed through the locking hole 203 and screwed on the mounting hole of the unmanned aerial vehicle, so that the mounting frame 2 and the unmanned aerial vehicle are assembled, and the delivery box 1 is assembled on the unmanned aerial vehicle.

[0035] Embodiment 3, please refer to Figure 2 , Figure 4 and Figure 5 On the basis of embodiment 1, the spring 306 is arranged to quickly control the resetting of the metal U-shaped strip 303.

[0036] Specifically, the positioning rod 304 is arranged between the two protruding ends of the metal U-shaped strip 303. The positioning hole 308 is arranged on the upper protruding end of the metal U-shaped strip 303 at the position corresponding to the positioning rod 304. The lower end surface of the positioning rod 304 is fixed with the baffle 305 having a diameter larger than the hole diameter of the positioning hole 308. The upper end surface of the positioning rod 304 is fixed with the mounting plate 307. The mounting plate 307 is fixedly connected with the inner wall of the metering cylinder 3. The upper end surface of the baffle 305 is fixed with the spring 306 sleeved on the positioning rod 304. The upper end surface of the spring 306 abuts against the inner side wall of the metal U-shaped strip 303.

[0037] The operation process of the embodiment is that when the metal U-shaped strip 303 is attracted by the electromagnet 302, the metal U-shaped strip 303 slides along the positioning rod 304 through the positioning hole 308, the baffle 305 limits the metal U-shaped strip 303, and the metal U-shaped strip 303 is compressed when moving downward, so that the spring 306 pushes the metal U-shaped strip 303 to move upward and reset after the electromagnet 302 is powered off.

[0038] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details and limit the application to the specific embodiments. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that the skilled in the art can well understand and use the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A quantitative delivery device for unmanned aerial vehicle plant protection, comprising a delivery box (1); characterized in that: The upper end face of the delivery box (1) is provided with a mounting frame (2), the lower end face of the mounting frame (2) is provided with two band buckles (202) sleeved on the surface side of the delivery box (1), the lower end face of the delivery box (1) is bolted with a dosing cylinder (3), the inside of the dosing cylinder (3) is provided with a bulb (4), the inside of the bulb (4) is rotatably provided with a single-hole ball block (403), the shaft rod end of the single-hole ball block (403) penetrating through the surface wall of the bulb (4) is fixed with a toothed plate (404), the inside bottom face of the dosing cylinder (3) is fixed with an electromagnet (302), the inside of the dosing cylinder (3) located directly above the electromagnet (302) is provided with a metal U-shaped strip (303) arranged vertically, the tooth opening formed in the surface side of the metal U-shaped strip (303) is engaged with the toothed plate (404), and the multiple through holes on the surface wall of the dosing cylinder (3) are all inserted with delivery pipes (301) arranged in a ring shape along the circumferential side. 2.The quantitative delivery device for unmanned aerial vehicle plant protection according to claim 1, characterized in that, The lower end face of the mounting frame (2) is fixed with positioning strips (201) inserted in the notched positions on the surface side of the delivery box (1) at positions corresponding to the band buckles (202), and the two ends of the band buckle (202) are fixedly connected with the end faces of the adjacent positioning strips (201) respectively. 3.The quantitative delivery device for unmanned aerial vehicle plant protection according to claim 2, characterized in that, The side walls of the mounting frame (2) located at the two ends of the positioning strip (201) are all provided with locking holes (203), and the mounting frame (2) is bolted with the bottom of the unmanned aerial vehicle through the locking holes (203).

4. The quantitative delivery device for unmanned aerial vehicle plant protection according to claim 1, characterized in that, The connecting pipe (401) fixed on the upper end of the bulb (4) is connected with the water outlet pipe flange of the delivery box (1), and the lower end face of the bulb (4) is fixed with a combination cylinder (402), and the multiple delivery pipes (301) are connected with the ports adjacent to the surface wall of the combination cylinder (402) through adapters.

5. The quantitative delivery device for unmanned aerial vehicle plant protection according to claim 1, characterized in that, The position between the two protruding ends of the metal U-shaped strip (303) is provided with a positioning rod (304), the upper protruding end of the metal U-shaped strip (303) is provided with a positioning hole (308) at a position corresponding to the positioning rod (304), and the lower end face of the positioning rod (304) is fixed with a baffle (305) with a diameter larger than that of the positioning hole (308).

6. The quantitative delivery device for unmanned aerial vehicle plant protection according to claim 5, characterized in that, The upper end face of the positioning rod (304) penetrating through the positioning hole (308) is fixed with a mounting plate (307), and the mounting plate (307) is fixedly connected with the inner wall of the dosing cylinder (3).

7. The quantitative delivery device for unmanned aerial vehicle plant protection according to claim 6, characterized in that, The upper end face of the baffle (305) is fixed with a spring (306) sleeved on the positioning rod (304), and the upper end face of the spring (306) abuts against the inner side wall of the metal U-shaped strip (303).