CN211298102U

CN211298102U - Fish medicine sprinkler

Info

Publication number: CN211298102U
Application number: CN201921809700.XU
Authority: CN
Inventors: 杨秀华; 韩健宝; 彭兵
Original assignee: Nanjing Rbs Biotechnology Co ltd
Current assignee: Nanjing Rbs Biotechnology Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-08-21
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a fish medicine sprinkler belongs to aquaculture technical field. Wherein, fish medicine sprinkler includes: the spraying device comprises a medicine cylinder, a rotary spraying mechanism and a supporting platform, wherein the rotary spraying mechanism is communicated with the bottom end of the cylinder body of the medicine cylinder through a medicine conveying pipe, and a water pump is arranged on the medicine conveying pipe; the spraying mechanism comprises a driving motor, a spray rod and blades, wherein the spray rod is provided with a first blind hole, and the blades are provided with a medicine storage hole and a medicine spraying hole; the fish medicine in with the cartridge case through the water pump passes through the medicine conveying pipe and carries to first blind hole, and the fish medicine in the first blind hole flows into again and stores downthehole and spray the aquatic through spouting the medicine hole, and driving motor drives the spray lance simultaneously and rotates, and the spray lance drives the paddle and rotates the continuous water of stirring of messenger's paddle, dilutes the aquatic with higher speed with fish medicine. Compared with the prior art, the utility model provides a fish medicine sprinkler can make fish medicine dilute fast and the homodisperse to the aquatic, promotes the quick prevention and cure of fish disease, can also reduce operation personnel's intensity of labour simultaneously.

Description

Fish medicine sprinkler

Technical Field

The utility model belongs to the technical field of aquaculture, especially, fish medicine sprinkler.

Background

Aquaculture is the production activity of breeding, cultivating and harvesting aquatic animals and plants under artificial control, and offspring seeds are bred into aquatic products through artificial feeding, wherein the common aquaculture is fish culture.

In the process of fish culture, how to effectively prevent and treat fish diseases becomes a key for fish culture. At the present stage, the water body pollution is serious, and a large amount of bacteria can be generated by the water body pollution, so that the fish can generate diseases such as fin rot, protozoan gill disease, bacterial putrefaction disease and the like. In order to effectively prevent and treat fish diseases, fish drugs are sprayed into water.

In the current stage, the fish drug spraying process mainly adopts manual driving of a fishing boat, and the fish drug is manually sprayed into water in the running process of the fishing boat. Although the method can achieve the prevention and treatment of fish diseases to a certain extent, the fish drugs are only sprayed on the water surface, so the fish drugs can be uniformly dispersed in the water body only by slow dilution, which is not beneficial to the rapid prevention and treatment of the fish diseases; meanwhile, the spraying mode greatly increases the labor intensity of operators.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fish medicine sprinkler to solve above-mentioned problem.

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

a fish medicine spraying device comprising: the device comprises a cartridge for storing fish medicine, a rotary spraying mechanism for spraying the fish medicine and a supporting platform for supporting the cartridge and the rotary spraying mechanism;

the cartridge comprises a cartridge body and a cartridge cover, and the cartridge cover is hinged with the cartridge body;

the rotary spraying mechanism is communicated with the bottom end of the cylinder body of the cartridge through a drug delivery pipe, and a water pump is arranged on the drug delivery pipe;

the support platform comprises a first platform and a second platform, the first platform and the second platform are arranged in parallel, the first platform is higher than the second platform, the cartridge is arranged on the first platform, and the rotary spraying mechanism is arranged on the second platform.

In a further embodiment, the rotary spraying mechanism comprises a driving motor, a spray rod connected with an output shaft of the driving motor, and a plurality of blades fixedly connected with one end of the side surface of the spray rod far away from the driving motor; a first blind hole is formed from the bottom end of the spray rod to the top end, a hole plug is connected with the bottom end of the spray rod, an internal thread is arranged at one end, close to the port, of the inner wall of the first blind hole, an external thread is arranged on the side wall surface of the hole plug, and the internal thread is matched with the external thread; an annular groove is formed in the side wall surface of the spray rod, the annular groove is close to the top end of the first blind hole, a plurality of first medicine conveying holes are formed in the first blind hole from the groove bottom of the annular groove, an annular shaft sleeve is arranged at one end, connected with the rotary spraying mechanism, of the medicine conveying pipe, a second medicine conveying hole is formed in the inner wall of the shaft sleeve, facing the inner cavity of the medicine conveying pipe, and the shaft sleeve is matched with the annular groove; a pesticide storage hole is formed in the paddle along the length direction of the paddle, one end, close to the spray rod, of the pesticide storage hole extends into the spray rod and is communicated with the first blind hole, a plurality of pesticide spraying holes are formed in the pesticide storage hole and are distributed on the bottom surface of the paddle uniformly along the length direction of the pesticide storage hole; the fish medicine in the medicine cylinder flows into the first blind hole of the spray rod through the medicine conveying pipe, the fish medicine in the first blind hole flows into the medicine storage hole again, and the fish medicine in the medicine storage hole is sprayed into water through the medicine spraying hole; meanwhile, the driving motor rotates to drive the spray rod to rotate, the spray rod drives the blades to rotate, so that the blades continuously stir water, the dissolution and dilution of the fish drugs are accelerated, the fish drugs are uniformly dispersed in the water, and the prevention and treatment of fish diseases are accelerated; in addition, the process does not need manual excessive intervention, and the labor intensity of operators is reduced.

In a further embodiment, the rotary spraying mechanism further comprises two sealing rings, wherein an annular first sealing groove is formed in each of the upper end surface and the lower end surface of the annular groove, an annular second sealing groove is formed in each of the upper end surface and the lower end surface of the shaft sleeve, the inner diameter of each first sealing groove is equal to the inner diameter of each second sealing groove, the thickness of each sealing ring is equal to the distance from the bottom of each first sealing groove to the bottom of each second sealing groove, and the sealing rings are arranged in the first sealing groove and the second sealing groove which are opposite to each other up and down; the sealing ring blocks the gap between the upper end surface and the lower end surface of the shaft sleeve and the inner wall surface of the annular groove, so that the risk of leakage of the fish medicine is reduced, and the utilization rate of the fish medicine is improved.

In a further embodiment, the rotary spraying mechanism further comprises a plurality of latex nozzles, each latex nozzle comprises a conical buckle and a pesticide spraying part, a clamping groove is formed between each buckle and the pesticide spraying part, the upper end of each buckle is provided with a second blind hole facing the pesticide spraying part, and the lower end of each pesticide spraying part is provided with a plurality of pores facing the second blind holes; the latex nozzle is clamped in the pesticide spraying hole, and the buckle is inserted into the pesticide spraying hole and extends into the pesticide storage hole; the fish medicine in the medicine storage hole is sprayed into the water through the second blind hole and the fine hole, so that the spraying range of the fish medicine can be enlarged, and the spraying of the fish medicine is more uniform.

In a further embodiment, the lower end surface of the pesticide spraying part is of an arc-shaped structure, the lower end surface of the pesticide spraying part is protruded towards one side far away from the pesticide spraying part, and the fine holes are uniformly arranged along the lower end surface of the pesticide spraying part; the lower terminal surface that will spout medicine portion designs into outside bellied arc structure, can increase pore quantity to further enlarge the spraying scope of fish medicine, improve the homogeneity that the fish medicine sprayed, the fish medicine of being convenient for dilutes in aqueous fast.

In a further embodiment, the rotary spraying mechanism further comprises a protection frame body used for protecting the paddle, the protection frame body is of a square structure, the upper end face of the protection frame body is fixedly connected with the second platform through a connecting rod, the paddle is protected by the protection frame body, aquatic weeds in water can be prevented from being wound on the paddle, and the paddle is prevented from being damaged.

Has the advantages that: the utility model provides a fish drug spraying device, which comprises a drug cylinder, a rotary spraying mechanism and a supporting platform, wherein the rotary spraying mechanism is communicated with the bottom end of the cylinder body of the drug cylinder through a drug delivery pipe, and the drug delivery pipe is provided with a water pump; the spraying mechanism comprises a driving motor, a spray rod and blades, wherein the spray rod is provided with a first blind hole, and the blades are provided with a medicine storage hole and a medicine spraying hole; the fish medicine in the medicine cylinder is conveyed to the first blind hole through the medicine conveying pipe by the water pump, and the fish medicine in the first blind hole flows into the medicine storage hole and is sprayed into water through the medicine spraying hole; meanwhile, the driving motor drives the spray rod to rotate, and the spray rod drives the blades to rotate, so that the blades continuously stir the water body, and the fish drug is accelerated to be diluted into the water. Compared with the prior art, the utility model provides a fish medicine sprinkler can make fish medicine dilute fast and the homodisperse to the aquatic, promotes the quick prevention and cure of fish disease, can also reduce operation personnel's intensity of labour simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partial sectional view of the present invention.

Fig. 3 is an exploded view of the rotary spray mechanism of the present invention not including a drive motor.

Fig. 4 is a partial cross-sectional view of the spray bar, shaft sleeve and drug delivery tube of the present invention.

Fig. 5 is a cross-sectional view of a blade of the present invention.

Fig. 6 is a schematic view of the connection between the paddle and the latex nozzle according to the present invention.

Fig. 7 is a schematic structural view of the latex nozzle of the present invention.

Fig. 8 is a sectional view of the emulsion nozzle of the present invention.

Fig. 1 to 8 are marked at various places respectively as follows: the medicine spraying device comprises a medicine cylinder 10, a cylinder body 11, a cylinder cover 12, a handle 121, a rotary spraying mechanism 20, a driving motor 21, a spray rod 22, a first blind hole 221, an annular groove 222, a first medicine conveying hole 223, a paddle 23, a medicine storage hole 231, a medicine spraying hole 232, a coupler 24, a hole plug 25, a shaft sleeve 26, a second medicine conveying hole 261, a sealing ring 27, a latex nozzle 28, a buckle 281, a second blind hole 2812, a medicine spraying part 282, a fine hole 2821, a clamping groove 283, a supporting platform 30, a first platform 31, a second platform 32, a protective cover 33, a medicine conveying pipe 40, a water pump 50 and a protective frame body 60.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

Researches of researchers find that effective prevention and treatment of fish diseases in the fish culture process become a key for successful fish culture. And because a large amount of bacteria can be generated due to water body pollution, the fish can generate diseases such as fin rot, protozoal gill disease, bacterial putrefaction disease and the like, and the fish diseases greatly increase the difficulty of fish culture. In order to effectively prevent and treat fish diseases, fish drugs are sprayed into water. In the current stage, the fish drug spraying process mainly adopts manual driving of a fishing boat, and the fish drug is manually sprayed into water in the running process of the fishing boat. Although the method can achieve the prevention and treatment of fish diseases to a certain extent, the fish drugs are only sprayed on the water surface, so the fish drugs can be uniformly dispersed in the water body only by slow dilution, which is not beneficial to the rapid prevention and treatment of the fish diseases; meanwhile, the spraying mode greatly increases the labor intensity of operators. Therefore, how to improve the dilution speed of the fish drug, promote the uniform dispersion of the fish drug in water and reduce the labor intensity of operating personnel becomes a problem which needs to be solved urgently

As shown in fig. 1, the utility model provides a fish medicine sprinkler, include: a cartridge 10 for storing fish medicine, a rotary spraying mechanism 20 for spraying fish medicine, and a support platform 30 for supporting the cartridge 10 and the rotary spraying mechanism 20.

Specifically, combine fig. 2, cartridge case 10 in this embodiment includes barrel 11 and cover 12, the first half of barrel 11 is cylindric, the latter half is coniform, this setting can be convenient for fish medicine to flow from cartridge case 10 bottom completely, the side of cover 12 and the one end that the barrel 11 side is close to the top are articulated, cover 12 top is equipped with handle 121, the user can be lifted cover 12 from barrel 11 through handle 121, be convenient for pour into fish medicine into barrel 11, the fish medicine that adopts in this embodiment is the liquid medicine after mixing with water. Rotatory spraying mechanism 20 in this embodiment is through the 11 bottom intercommunications of barrel of medicine feed pipe 40 and cartridge case 10, and in order to guarantee that the fish medicine sprays and have certain pressure, be equipped with water pump 50 on the medicine feed pipe 40, the fish medicine in the cartridge case 10 is taken out in the work of water pump 50 to transmit the fish medicine to rotatory spraying mechanism 20 through medicine feed pipe 40, spray the water with liquid medicine through rotatory spraying mechanism 20. The supporting platform 30 in this embodiment includes a first platform 31 and a second platform 32 which are horizontally arranged, the first platform 31 and the second platform 32 are parallel to each other, and the height of the first platform 31 is higher than that of the second platform 32; the cartridge 10 is disposed on a first platform 31, the bottom end of the barrel 11 extends below the first platform 31, and the rotary spraying mechanism 20 is disposed on a second platform 32. Use the utility model provides a during sprinkler, need be fixed in sprinkler on the fishing boat to make the bottom of rotatory sprinkler mechanism 20 extend to below the surface of water, at the fishing boat in-process of marcing, constantly spray the fish medicine in to the water through sprinkler, rotatory sprinkler mechanism 20 constantly stirs the water simultaneously, makes the fish medicine dilute fast in aqueous, promotes the quick prevention and cure of fish disease.

Referring to fig. 3 to 5, the rotary spraying mechanism 20 in the present embodiment includes a drive motor 21, a spray bar 22, and paddles 23. The driving motor 21 is vertically arranged on the top surface of the second platform 32, the driving motor 21 is fixedly connected with the second platform 32 through a connecting bolt arranged in a threaded hole in a connecting flange of the driving motor 21, an output shaft of the driving motor 21 penetrates through the second platform 32 and extends out of the bottom surface of the second platform 32 to be connected with the top of the spray rod 22, and a coupler 24 is arranged at the connecting position of the output shaft of the driving motor 21 and the spray rod 22 in order to ensure the coaxiality of the output shaft of the driving motor 21 and the spray rod 22. Open the bottom of spray lance 22 to the top has a first blind hole 221, the bottom of spray lance 22 is connected with a hole stopper 25, the one end that the inner wall of first blind hole 221 is close to the port is equipped with the internal thread, be equipped with the external screw thread on the side wall face of hole stopper 25, this internal thread and external screw thread adaptation, spray lance 22 and hole stopper 25 pass through threaded connection, screw hole stopper 25 when the bottom with spray lance 22, first blind hole 221 is because the bottom is stopped up, form a space that can store the fish medicine, when screwing out hole stopper 25, can convenient to use person clear up remaining fish medicine in to first blind hole 221, avoid the fish medicine to remain for a long time and cause the corruption to spray lance 22. An annular groove 222 is further formed in the outer wall of the side face of the spray rod 22, which is close to the top end of the first blind hole 221, a plurality of first medicine conveying holes 223 are formed in the groove bottom of the annular groove 222 towards the interior of the first blind hole 221, and the first medicine conveying holes 223 are evenly distributed along the circumferential direction of the groove bottom of the annular groove 222; the end of the medicine conveying pipe 40 connected with the rotary spraying mechanism 20 is provided with an annular shaft sleeve 26, the inner wall of the shaft sleeve 26 facing the inner cavity of the medicine conveying pipe 40 is provided with a second medicine conveying hole 261, the shaft sleeve 26 is arranged in the annular groove 222, the inner diameter of the shaft sleeve 26 is slightly larger than the diameter of the groove bottom of the annular groove 222, the outer diameter of the shaft sleeve 26 is larger than the diameter of the spray rod 22, the length of the shaft sleeve 26 is equal to the groove width of the annular groove 222, the shaft sleeve 26 can be processed in half and half in consideration of the assembly performance of the shaft sleeve 26 and the annular groove 222, then the assembly is carried out, and the; the outer wall of the side of the spray rod 22 is fixedly connected with a plurality of blades 23 at one end far away from the driving motor 21, a medicine storage hole 231 is formed in one end, close to the spray rod 22, of each blade 23 along the length direction of the corresponding blade 23, one end, close to the spray rod 22, of each medicine storage hole 231 extends into the spray rod 22 and is communicated with the corresponding first blind hole 221, in the actual machining process, holes should be formed in the spray rod 22 and the corresponding blade 23 respectively, then the holes are welded and fixed, a plurality of medicine spraying holes 232 are formed in the medicine storage holes 231 towards the bottom surface of the corresponding blade 23, and the medicine spraying holes 232 are evenly distributed along the length direction of the medicine storage holes 231. In the fish medicine spraying process, the flow direction of the fish medicine is as follows: the fish medicine in the medicine cylinder 10 flows into the first blind hole 221 of the spray rod 22 through the medicine conveying pipe 40 under the action of the water pump 50, the fish medicine in the first blind hole 221 flows into the medicine storage hole 231 again, and the fish medicine in the medicine storage hole 231 is sprayed into water through the medicine spraying hole 232; meanwhile, the driving motor 21 rotates to drive the spray rod 22 to rotate, the spray rod 22 drives the blades 23 to rotate, so that the blades 23 continuously stir water, the dissolution and dilution of the fish drugs are accelerated, the fish drugs are uniformly dispersed in the water, and the prevention and treatment of fish diseases are accelerated; in addition, the process does not need manual excessive intervention, and the labor intensity of operators is reduced. The model of the driving motor 21 in this embodiment is ASD-B2-0723-B, and the user can select a suitable driving motor 21 according to his or her own needs.

Since the spray rod 22 is rotated relative to the sleeve 26 by the driving motor 21, the leakage of the fish medicine from the medicine conveying pipe 40 into the first blind hole 221 through the second medicine conveying hole 261 on the sleeve 26 and the first medicine conveying hole 223 on the spray rod 22 is very likely to occur, and in order to reduce the risk of the leakage of the fish medicine, in a further embodiment, the rotary spraying mechanism 20 further comprises two sealing rings 27. An annular first sealing groove is formed in the upper end face and the lower end face of the annular groove 222 respectively, an annular second sealing groove is formed in the upper end face and the lower end face of the shaft sleeve 26 respectively, the inner diameter of the first sealing groove is equal to the inner diameter of the second sealing groove, the thickness of the sealing ring 27 is equal to the distance from the groove bottom of the first sealing groove to the groove bottom of the second sealing groove, the sealing ring 27 is arranged in the first sealing groove and the second sealing groove which are opposite to each other from top to bottom, and the sealing ring 27 is made of elastic plastic materials. The sealing ring 27 blocks the gap between the upper end surface and the lower end surface of the shaft sleeve 26 and the inner wall surface of the annular groove 222, so that the risk of fish drug leakage can be reduced, the utilization rate of the fish drug is improved, the fish drug can be prevented from being splashed to the human body, and the personal safety is improved.

Referring to fig. 6 to 8, in a further embodiment, the rotary spraying mechanism 20 further includes a plurality of latex nozzles 28, the latex nozzles 28 include a tapered buckle 281 and a spraying portion 282, a slot 283 is provided between the buckle 281 and the spraying portion 282, an upper end of the buckle 281 is opened with a second blind hole 2812 facing the spraying portion 282, a bottom end of the second blind hole 2812 extends to the spraying portion 282, and a lower end of the spraying portion 282 is opened with a plurality of fine holes 2821 facing the second blind hole 2812; the latex nozzle 28 is caught on the spraying hole 232, and the tapered catch 281 is inserted into the medicine storage hole 231 from the spraying hole 232 so that the spraying hole 232 is engaged with the catching groove 283. The fish drug in the drug storage hole 231 is sprayed into the water through the second blind hole 2812 and the plurality of fine holes 2821, so that the spraying range of the fish drug can be expanded, and the fish drug can be sprayed more uniformly; meanwhile, the latex nozzle 28 is provided to prevent the spraying hole 232 from being blocked by impurities in water, and the latex nozzle 28 can be removed for cleaning or replacement if the blockage occurs.

As shown in fig. 8, in order to further widen the spraying range of the fish medicine, the lower end surface of the spraying part 282 of the emulsion nozzle 28 in this embodiment has an arc-shaped structure, the lower end surface of the spraying part 282 protrudes toward the side away from the spraying part 282, and the fine holes 2821 of the spraying part 282 are uniformly arranged along the lower end surface of the spraying part 282. Design into outside bellied arc structure through the lower terminal surface that will spout medicine portion 282, can increase pore 2821's quantity to further enlarge the scope of spraying of fish medicine, improve the homogeneity that the fish medicine sprayed, the fish medicine of being convenient for dilutes in aqueous fast, promotes the quick prevention and cure of fish disease.

As the underwater condition is complex and weeds are clustered, the situation that the weeds wind the blades 23 is easy to occur in the advancing process of the fishing boat, so that the blades 23 are difficult to rotate. In order to prevent this, in a further embodiment, the rotary spraying mechanism further includes a protective frame 60 for protecting the blades 23, the protective frame 60 has a square structure, a circular hole is formed in the middle of the protective frame 60, and the upper end surface of the protective frame 60 is fixedly connected to the second platform 32 through a connecting rod. The blades 23 are protected by arranging the protection frame body 60, so that aquatic weeds in water can be prevented from being wound on the blades 23, and the blades 23 are prevented from being damaged.

Meanwhile, in order to further protect the medicine conveying pipe 40 and the rotary spraying mechanism 20, the supporting platform 30 further comprises a protecting cover 33, and the protecting cover 33 and the first platform 31 and the second platform 32 form two boxes respectively, so that the spraying device can be protected through the protecting cover 33.

The utility model provides a fish medicine sprinkler design water pump 50 carries the fish medicine in with cartridge case 10 to first blind hole 221 through medicine conveying pipe 40, and the fish medicine in first blind hole 221 flows into again and stores in the medicine hole 231 and sprays the aquatic through spouting medicine hole 232, and driving motor 21 drives spray lance 22 simultaneously and rotates, and spray lance 22 drives paddle 23 and rotates the stirring water that makes paddle 23 continuous, dilutes the aquatic with higher speed with the fish medicine. Compared with the prior art, the utility model provides a fish medicine sprinkler can make fish medicine dilute fast and the homodisperse to the aquatic, promotes the quick prevention and cure of fish disease, can also reduce operation personnel's intensity of labour simultaneously.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fish medicine spraying device, comprising: the device comprises a cartridge for storing fish medicine, a rotary spraying mechanism for spraying the fish medicine and a supporting platform for supporting the cartridge and the rotary spraying mechanism;

2. The fish drug spraying device of claim 1, wherein the rotary spraying mechanism comprises a drive motor, a spray bar connected to an output shaft of the drive motor, and a plurality of paddles fixedly connected to an end of a side of the spray bar remote from the drive motor; a first blind hole is formed from the bottom end of the spray rod to the top end, a hole plug is connected with the bottom end of the spray rod, an internal thread is arranged at one end, close to the port, of the inner wall of the first blind hole, an external thread is arranged on the side wall surface of the hole plug, and the internal thread is matched with the external thread; an annular groove is formed in the side wall surface of the spray rod and is close to the top end of the first blind hole, a plurality of first medicine conveying holes are formed in the first blind hole from the groove bottom of the annular groove, an annular shaft sleeve is arranged at one end, connected with the rotary spraying mechanism, of the medicine conveying pipe, a second medicine conveying hole is formed in the inner wall of the shaft sleeve, faces to the inner cavity of the medicine conveying pipe, and the shaft sleeve is matched with the annular groove; the pesticide spraying device is characterized in that a pesticide storage hole is formed in the paddle along the length direction of the paddle, one end, close to the spray rod, of the pesticide storage hole extends into the spray rod and is communicated with the first blind hole, a plurality of pesticide spraying holes are formed in the pesticide storage hole in the bottom face of the paddle, and the pesticide spraying holes are evenly distributed along the length direction of the pesticide storage hole.

3. The fish drug spraying device of claim 2, wherein the rotary spraying mechanism further comprises two sealing rings, the upper and lower end surfaces of the annular groove are respectively provided with an annular first sealing groove, the upper and lower end surfaces of the shaft sleeve are respectively provided with an annular second sealing groove, the inner diameter of the first sealing groove is equal to the inner diameter of the second sealing groove, the thickness of the sealing rings is equal to the distance from the groove bottom of the first sealing groove to the groove bottom of the second sealing groove, and the sealing rings are arranged in the first sealing groove and the second sealing groove which are opposite to each other.

4. The fish drug spraying device of claim 2, wherein the rotary spraying mechanism further comprises a plurality of latex nozzles, the latex nozzles comprise a conical buckle and a drug spraying portion, a clamping groove is formed between the buckle and the drug spraying portion, a second blind hole is formed in the upper end surface of the buckle towards the drug spraying portion, a plurality of fine holes are formed in the lower end surface of the drug spraying portion towards the second blind hole, the latex nozzles are clamped in the drug spraying holes, and the buckle is inserted into the drug spraying holes and extends into the drug storage holes.

5. The fish drug spraying apparatus of claim 4, wherein the lower end surface of the spraying part is curved, the lower end surface of the spraying part is convex toward a side away from the spraying part, and the fine holes are uniformly formed along the lower end surface of the spraying part.

6. The fish drug spraying device of claim 2, wherein the rotary spraying mechanism further comprises a protective frame for protecting the paddle, the protective frame is of a square structure, and the upper end surface of the protective frame is fixedly connected with the second platform through a connecting rod.