A fish medicine delivery auxiliary diffusion device

CN224638819UActive Publication Date: 2026-08-18QIXIA AGRI TECH EXTENSION CENT
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Patent Information

Application Number
CN202521554153.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-24
Publication Date
2026-08-18
Estimated Expiration
2035-07-24

AI Technical Summary

Technical Problem

[0004]有鉴于此,本实用新型提供了一种鱼药投放用辅助扩散装置,能够解决现有的鱼药扩散装置存在的位置相对固定,不能灵活调整的问题

Benefits of technology

进一步的,第一搅动杆和第二搅动杆的截面均为椭圆形。

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224638819U_ABST
    Figure CN224638819U_ABST
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Abstract

The utility model provides a kind of auxiliary diffusion device for fish medicine delivery belongs to fish medicine delivery technical field, the auxiliary diffusion device for fish medicine delivery includes support seat, connecting support and fixed rod, support seat is cuboid structure, support seat top is fixedly connected with connecting support, connecting support is used to fix entire device in the edge of fishing boat, the lateral wall of support seat and fixed rod is fixedly connected, support seat and fixed rod are used to support entire diffusion device, the fixed rod is fixedly connected with support support floating on water surface, the upper portion of support support is fixedly connected with motor, the output shaft of motor is connected with agitating mechanism, agitating mechanism is rotatably connected with support support, and agitating mechanism is used to agitate and diffuse fish medicine underwater;The utility model can solve the problem that the position of existing fish medicine diffusion device is relatively fixed and cannot be flexibly adjusted.
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Description

Technical Field

[0001] This utility model belongs to the field of fish medicine administration technology, and specifically relates to an auxiliary diffusion device for fish medicine administration. Background Technology

[0002] With the rapid development of the global aquaculture industry, problems such as fish diseases and parasite infections have become increasingly prominent, becoming one of the key factors restricting the sustainable development of the industry. Traditional manual application of pesticides has many drawbacks in practical application. Not only is the drug diffusion uneven, making it difficult to cover the entire aquaculture area, but it is also extremely labor-intensive and inefficient, leading to a continuous increase in aquaculture costs. In some large-scale farms, manual application of pesticides can even cause mass fish deaths, resulting in huge economic losses for farmers.

[0003] To improve drug diffusion, traditional methods typically rely on aerators to assist in the dispersal of medication. However, the limitations of aerators are obvious. Aerators are usually fixed in one location, and their stirring range is limited. For larger ponds or reservoirs, they may not be able to cover the entire water area, leading to uneven drug diffusion and insufficient efficacy in some areas, severely affecting treatment results. Furthermore, some aerators (such as impeller-type aerators) stir up bottom sediment during operation, causing water turbidity. This not only affects water quality but may also cause the medication to adhere to the sediment, reducing its effectiveness and even causing secondary pollution. In such cases, the active ingredients of the medication are wasted, and pollutants in the sediment may further deteriorate water quality, negatively impacting the fish's growth environment. Utility Model Content

[0004] In view of this, the present invention provides an auxiliary diffusion device for fish medicine dispensing, which can solve the problem that the position of existing fish medicine diffusion devices is relatively fixed and cannot be flexibly adjusted.

[0005] This utility model is implemented as follows: This utility model provides an auxiliary diffusion device for fish medicine dispensing, including a support base, a connecting bracket, and a fixing rod. The support base is a cuboid structure, and the connecting bracket is fixedly connected to the top of the support base. The connecting bracket is used to fix the entire device to the edge of a fishing boat. The support base is fixedly connected to the side wall of the fixing rod. The support base and the fixing rod are used to support the entire diffusion device. The fixing rod is fixedly connected to the support bracket floating on the water surface. A motor is fixedly connected to the top of the support bracket. The output shaft of the motor is connected to a stirring mechanism. The stirring mechanism is rotatably connected to the support bracket. The stirring mechanism is used to stir and diffuse the fish medicine underwater.

[0006] Based on the above technical solution, the auxiliary diffusion device for fish medicine dispensing of this utility model can be further improved as follows: The connecting bracket includes a horizontal bracket, a vertical bracket, adjusting bolts, and fixing bolts. The horizontal bracket is a hollow rectangular structure with one open end, and the vertical bracket is an L-shaped structure. One end of the horizontal bracket is fixedly connected to the top surface of the support base, and the other end of the horizontal bracket is fitted onto the outside of the short side of the vertical bracket and slidably connected to the short side of the vertical bracket. Both the horizontal and vertical brackets are provided with matching circular through holes. The fixing bolts pass through the through holes from top to bottom through the top surface of the short sides of the horizontal and vertical brackets to limit the position of the vertical bracket. The adjusting bolts pass through the through holes through the long side of the vertical bracket to press against the side wall of the fishing boat from the side to achieve the fixing effect.

[0007] Furthermore, the support bracket has a long strip structure and is made of high-density polyethylene.

[0008] The beneficial effects of adopting the above-mentioned improvement scheme are: high-density polyethylene is corrosion-resistant, wear-resistant, and has high buoyancy, which can stably support the agitation mechanism.

[0009] Furthermore, the agitation mechanism includes a rotating shaft, a connecting plate, a first agitator and a second agitator. One end of the rotating shaft is connected to the output shaft of the motor. The rotating shaft passes through the support bracket and is rotatably connected to the support bracket. The other end of the rotating shaft is rotatably connected to one end of the connecting plate. The other end of the connecting plate is rotatably connected to the first agitator. The other end of the first agitator is rotatably connected to one end of the second agitator via another rotating shaft. The other end of the second agitator is rotatably connected to the other end of the support bracket via a third rotating shaft.

[0010] The beneficial effects of adopting the above-mentioned improved scheme are as follows: the rotating shaft driven by the motor can drive the stirring rod to rotate at high speed underwater, effectively dispersing the fish medicine. The structure is simple, the power transmission is efficient, and the diffusion effect is significant.

[0011] Furthermore, both the first and second stirring rods are arc-shaped structures, with the first stirring rod having an arc of 150° and the second stirring rod having an arc of 120°.

[0012] The beneficial effects of adopting the above-mentioned improvement scheme are as follows: the arc design increases the agitation area and improves the efficiency of water flow disturbance. The 150° and 120° arc design optimizes the agitation range and avoids dead zones.

[0013] Furthermore, the first stirring rod is provided with evenly distributed diffusion holes with a diameter of 2-5mm, and the hole diameter gradually increases along the water flow direction. The diffusion holes are used to further enhance the diffusion effect of the fish medicine.

[0014] The beneficial effects of adopting the above-mentioned improvement scheme are as follows: the diffusion holes can further enhance the diffusion effect of fish medicine and improve drug utilization. The hole diameter gradually increases along the water flow direction, optimizing hydrodynamics and reducing resistance.

[0015] Furthermore, the surface of the second stirring rod is provided with a spiral groove, the pitch of which is 10-20mm and the thread angle is 30°-45°.

[0016] The beneficial effects of adopting the above-mentioned improvement scheme are: the spiral groove can enhance the water flow agitation effect and improve the uniformity of fish medicine diffusion by utilizing fluid dynamics.

[0017] Furthermore, the surfaces of both the first and second agitators are coated with an anti-corrosion coating, which is a mixture of epoxy resin and zinc powder with a thickness of 0.1-0.3 mm.

[0018] The beneficial effects of adopting the above-mentioned improvement scheme are: the coating is used to prevent seawater corrosion and extend service life.

[0019] Furthermore, self-lubricating bearings are provided at both ends of the rotating shaft to reduce friction and improve rotational efficiency.

[0020] The beneficial effects of adopting the above-mentioned improvement scheme are as follows: Furthermore, both the first and second stirring rods have elliptical cross-sections.

[0021] The beneficial effects of adopting the above-mentioned improvement scheme are: the elliptical cross section enhances the structural strength and reduces water flow resistance.

[0022] Compared with existing technologies, the beneficial effects of the auxiliary diffusion device for fish medicine dispensing provided by this utility model are: 1. The floating support bracket ensures that the agitation mechanism is always underwater, avoiding device failure due to water level changes. The sliding connection between the horizontal and vertical supports allows adjustment of the device's fixed position relative to the fishing boat, adapting to different boat side thicknesses.

[0023] 2. The device is fixed to the edge of the fishing boat via a connecting bracket and can move with the boat. Unlike traditional aerators, it does not need to be fixed in the water. It is suitable for the fish medicine dispersal needs of different waters and improves the flexibility of use.

[0024] 3. The device's agitation mechanism only stirs underwater and does not touch the bottom sediment, thus reducing damage to the underwater environment.

[0025] 4. The motor-driven stirring mechanism can effectively disperse the fish medicine, ensuring uniform distribution of the medicine, improving the efficiency of fish medicine use, and reducing waste.

[0026] 5. Suitable for use on the edge of fishing boats, and can be used for fish medicine dispersal in aquaculture ponds, reservoirs or other waters. It has strong adaptability. Attached Figure Description

[0027] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 A side view of an auxiliary diffusion device for fish drug administration; Figure 2 A top view of an auxiliary diffusion device for fish drug administration; The attached diagram lists the components represented by each number as follows: 10. Support base; 20. Connecting bracket; 21. Horizontal bracket; 22. Longitudinal bracket; 23. Adjusting bolt; 24. Fixing bolt; 30. Fixing rod; 40. Support bracket; 50. Motor; 60. Stirring mechanism; 61. Rotating shaft; 62. Connecting plate; 63. First stirring rod; 64. Second stirring rod. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0030] like Figure 1-2 The image shows an embodiment of an auxiliary diffusion device for fish medicine dispensing provided by this utility model. In this embodiment, it includes a support base 10, a connecting bracket 20, and a fixing rod 30. The support base 10 has a cuboid structure, and the connecting bracket 20 is fixedly connected to the top of the support base 10. The connecting bracket 20 is used to fix the entire device to the edge of the fishing boat. The support base 10 is fixedly connected to the side wall of the fixing rod 30. The support base 10 and the fixing rod 30 are used to support the entire diffusion device. The fixing rod 30 is fixedly connected to a support bracket 40 floating on the water surface. A motor 50 is fixedly connected to the top of the support bracket 40. The output shaft of the motor 50 is connected to a stirring mechanism 60. The stirring mechanism 60 is rotatably connected to the support bracket 40 and is used to stir and diffuse the fish medicine underwater.

[0031] The motor 50 has a waterproof cover.

[0032] In the above technical solution, the connecting bracket 20 includes a horizontal bracket 21, a vertical bracket 22, an adjusting bolt 23, and a fixing bolt 24. The horizontal bracket 21 is a hollow rectangular structure with one open end, and the vertical bracket 22 is an L-shaped structure. One end of the horizontal bracket 21 is fixedly connected to the top surface of the support base 10, and the other end of the horizontal bracket 21 is sleeved on the outside of the short side of the vertical bracket 22 and slidably connected to the short side of the vertical bracket 22. Both the horizontal bracket 21 and the vertical bracket 22 are provided with mutually compatible circular through holes. The fixing bolt 24 passes through the through hole from top to bottom through the top surface of the short side of the horizontal bracket 21 and the vertical bracket 22 to limit the position of the vertical bracket 22. The adjusting bolt 23 passes through the through hole through the long side of the vertical bracket 22 to press against the side wall of the fishing boat from the side to achieve the fixing effect.

[0033] Furthermore, in the above technical solution, the support bracket 40 is a long strip structure and is made of high-density polyethylene.

[0034] Furthermore, in the above technical solution, the stirring mechanism 60 includes a rotating shaft 61, a connecting plate 62, a first stirring rod 63, and a second stirring rod 64. One end of the rotating shaft 61 is connected to the output shaft of the motor 50. The rotating shaft 61 passes through the support bracket 40 and is rotatably connected to the support bracket 40. The other end of the rotating shaft 61 is rotatably connected to one end of the connecting plate 62. The other end of the connecting plate 62 is rotatably connected to the first stirring rod 63. The other end of the first stirring rod 63 is rotatably connected to one end of the second stirring rod 64 through another rotating shaft 61. The other end of the second stirring rod 64 is rotatably connected to the other end of the support bracket 40 through a third rotating shaft 61.

[0035] Furthermore, in the above technical solution, both the first stirring rod 63 and the second stirring rod 64 are arc-shaped structures, with the arc of the first stirring rod 63 being 150° and the arc of the second stirring rod 64 being 120°.

[0036] Furthermore, in the above technical solution, the first stirring rod 63 is provided with uniformly distributed diffusion holes with a diameter of 2-5mm, and the hole diameter gradually increases along the water flow direction. The diffusion holes are used to further enhance the diffusion effect of the fish medicine.

[0037] Furthermore, in the above technical solution, a spiral groove is provided on the surface of the second stirring rod 64, the pitch of the spiral groove is 10-20mm, and the thread angle is 30°-45°.

[0038] Furthermore, in the above technical solution, the surfaces of the first stirring rod 63 and the second stirring rod 64 are coated with an anti-corrosion coating, which is a mixture of epoxy resin and zinc powder with a thickness of 0.1-0.3 mm.

[0039] Furthermore, in the above technical solution, self-lubricating bearings are provided at both ends of the rotating shaft 61. The bearings are used to reduce friction and improve rotation efficiency.

[0040] Furthermore, in the above technical solution, the cross-sections of the first stirring rod 63 and the second stirring rod 64 are both elliptical.

[0041] In use, the connecting bracket is fixed to the edge of the fishing boat, the angle is adjusted by adjusting the bolts, and the fixed bolts are locked in place. Ensure the supporting bracket floats on the water surface and the agitating mechanism is submerged. The fish medicine is added to the water, the motor starts, and the agitating mechanism rotates, creating water flow disturbance to promote uniform diffusion of the fish medicine. As the fishing boat moves, the device can adjust its position in real time to cover a larger area and improve diffusion efficiency. The motor drives the first rotating shaft 61 to rotate, which in turn drives the connecting plate 62 to rotate. The connecting plate 62 drives the first agitating rod 63 to move in a left-right arc motion, and the first agitating rod 63 drives the second agitating rod 64 to swing back and forth.

[0042] Example:

[0043] A large fishpond (approximately 50 acres) at a fish farm experienced a parasitic infection in its fish, requiring treatment with broad-spectrum antiparasitic drugs (such as flusilazole or praziquantel). The traditional method is manual application of the medication, but this results in uneven drug distribution, leading to insufficient efficacy in some areas and sometimes necessitating multiple applications, increasing costs.

[0044] Secure the connecting bracket of the device to the edge of the fishing boat. Adjust the angle by adjusting the bolts so that the support bracket floats on the water surface, and the agitator is submerged to a depth of about 0.5 meters. Tighten the fixing bolts to ensure the stability of the device.

[0045] Choose a fish medicine with strong water solubility and good diffusion – praziquantel powder, using approximately 50 grams per acre. Evenly sprinkle the medicine into the water, about 1 meter away from the agitator. Start the motor; the agitator will rotate at 100-150 rpm, creating water flow disturbance and promoting drug diffusion. The diffusion holes on the first agitator rod ensure even distribution of the medicine with the water flow. The spiral grooves on the second agitator rod further enhance water flow disturbance and improve diffusion efficiency. A single application can cover approximately 10 acres of water, providing a larger coverage area and more even diffusion than traditional manual application.

[0046] The fishing boat moves slowly, and the device moves with the boat, covering the entire fishpond. It pauses for 1-2 minutes every 10 meters to ensure the drug is fully dispersed. The drug dispersal of the entire fishpond is completed in approximately 30 minutes, saving more than 50% of the time compared to traditional methods (which require multiple applications).

[0047] Water samples were taken from different areas to test the drug concentration. It was found that the drug was evenly distributed in all areas with no obvious dead zones. After 3 days, the parasite infection rate in fish decreased by more than 80%, which is better than the traditional method (only 60% effective rate).

[0048] Specifically, the principle of this invention is as follows: underwater, mechanical agitation creates water flow disturbance, promoting uniform diffusion of the fish medicine and avoiding the limitations of fixed installation of traditional aerators. It also reduces disturbance to the bottom sediment, protecting the aquatic environment. The angle is adjusted and the device is fixed to the edge of the fishing boat using adjusting bolts and fixing bolts. The connecting bracket is adjustable to adapt to different fishing boat widths, ensuring stable installation of the device.

[0049] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A fish medicine dispensing auxiliary diffusion device, comprising a support base, a connecting bracket, and a fixing rod, wherein the support base is a cuboid structure, the connecting bracket is fixedly connected to the top of the support base, the connecting bracket is used to fix the entire device to the edge of a fishing boat, the support base is fixedly connected to the side wall of the fixing rod, and the support base and the fixing rod are used to support the entire diffusion device, characterized in that, The fixed rod is fixedly connected to the support bracket floating on the water surface. A motor is fixedly connected above the support bracket. The output shaft of the motor is connected to the stirring mechanism. The stirring mechanism is rotatably connected to the support bracket. The stirring mechanism is used to stir and diffuse the fish medicine underwater.

2. The auxiliary diffusion device for fish medicine dispensing according to claim 1, characterized in that, The connecting bracket includes a horizontal bracket, a vertical bracket, adjusting bolts, and fixing bolts. The horizontal bracket is a hollow rectangular structure with one open end, and the vertical bracket is an L-shaped structure. One end of the horizontal bracket is fixedly connected to the top surface of the support base, and the other end of the horizontal bracket is fitted onto the outside of the short side of the vertical bracket and slidably connected to the short side of the vertical bracket. Both the horizontal and vertical brackets are provided with matching circular through holes. The fixing bolts pass through the through holes from top to bottom through the top of the short sides of the horizontal and vertical brackets to limit the position of the vertical bracket. The adjusting bolts pass through the through holes through the long side of the vertical bracket to press against the side wall of the fishing boat from the side to achieve the fixing effect.

3. The auxiliary diffusion device for fish medicine dispensing according to claim 2, characterized in that, The support frame is a long strip structure made of high-density polyethylene.

4. The auxiliary diffusion device for fish medicine dispensing according to claim 3, characterized in that, The agitation mechanism includes a rotating shaft, a connecting plate, a first agitator and a second agitator. One end of the rotating shaft is connected to the output shaft of the motor. The rotating shaft passes through the support bracket and is rotatably connected to the support bracket. The other end of the rotating shaft is rotatably connected to one end of the connecting plate. The other end of the connecting plate is rotatably connected to the first agitator. The other end of the first agitator is rotatably connected to one end of the second agitator via another rotating shaft. The other end of the second agitator is rotatably connected to the other end of the support bracket via a third rotating shaft.

5. The auxiliary diffusion device for fish medicine dispensing according to claim 4, characterized in that, Both the first and second stirring rods are arc-shaped structures, with the first stirring rod having an arc of 150° and the second stirring rod having an arc of 120°.

6. The auxiliary diffusion device for fish medicine dispensing according to claim 5, characterized in that, The first stirring rod is equipped with evenly distributed diffusion holes with a diameter of 2-5mm. The diameter of the holes gradually increases along the direction of water flow. The diffusion holes are used to further enhance the diffusion effect of the fish medicine.

7. The auxiliary diffusion device for fish medicine dispensing according to claim 6, characterized in that, The surface of the second stirring rod is provided with a spiral groove, the pitch of which is 10-20mm and the thread angle is 30°-45°.

8. The auxiliary diffusion device for fish medicine dispensing according to claim 7, characterized in that, The surfaces of both the first and second agitators are coated with an anti-corrosion coating, which is a mixture of epoxy resin and zinc powder with a thickness of 0.1-0.3 mm.

9. The auxiliary diffusion device for fish medicine dispensing according to claim 8, characterized in that, Self-lubricating bearings are installed at both ends of the rotating shaft to reduce friction and improve rotation efficiency.

10. The auxiliary diffusion device for fish medicine dispensing according to claim 9, characterized in that, Both the first and second stirring rods have elliptical cross-sections.