A live fish tank for a fishing boat convenient for storage and a method of using the same

Abstract

The present invention relates to the technical field of live fish tanks, and more specifically to a live fish tank for a fishing boat that is convenient for storage and a method for using the live fish tank. The live fish tank comprises a hull, a storage mechanism is arranged on the hull, the storage mechanism comprises a fish tank fixed on the hull, two adjusting mechanisms are both provided with floating mechanisms, a drainage mechanism penetrating the fish tank is arranged at the bottom of the hull, and two lifting mechanisms are arranged on the inner wall of the fish tank; the storage mechanism also comprises a filter bucket and a side plate; the fish tank is provided with a lifting mechanism, and when fishing, aggressive fish can be placed inside the filter bucket, and after fishing, the filter bucket can be lifted and two slide plates can be horizontally slid at the same time, so that the slide plate is not between two baffles, and a support plate is pulled upward to a certain position to release the slide plate, so that a spring can reset the slide plate and insert it between the two baffles, so as to fix the support plate and complete the suspension of the filter bucket, so as to facilitate rapid separation of all fish inside the fish tank from water for capture, and facilitate sorting.

Description

Technical Field

[0001] The invention relates to the technical field of live fish tanks, in particular to a live fish tank for a fishing boat which is convenient for storage and a use method thereof. Background Art

[0002] A live fish hold is a facility or cabin used to store and transport live fish. It is usually equipped with a water exchange hole, an air filling or water exchange device to maintain the living environment of the fish. Live fish holds are usually used in the fields of fishery and aquatic product transportation to ensure the survival rate of fish during transportation. They can also be used to store fish when fishing on fishing boats. Currently, when fishing on large water surfaces, the inside of the live fish hold is drained, the fish are placed inside the live fish hold, and a sealed cover is placed on the surface of the live fish hold.

[0003] The prior art has the following defects:

[0004] 1. The existing live fish warehouse is directly set on the hull. No matter how big or small the fish is, it is placed inside the live fish warehouse. There is no partition device for the live fish warehouse. Fish of different temperaments and sizes are mixed inside the live fish warehouse. Aggressive fish are likely to attack other fish and cause the death of other fish, resulting in the fish not being fresh enough.

[0005] 2. The fish hold is directly formed inside the hull. When the fish hold is filled with water and the fish inside the fish hold needs to be taken out, it is difficult to quickly separate all the fish inside the fish hold from the water, which is not convenient for sorting the fish for temporary sale;

[0006] 3. A water inlet is directly opened at the bottom of the fish hold. Water is taken up by gravity from the fish hold. After the fish is transported out of the fish hold, water for fish farming is still stored in the fish hold. There is no mechanism on the hull for taking in and draining water as the hull moves forward. After the fish is taken out, the water inside the hold needs to be cleaned with a scooping tool, which is cumbersome to operate. Summary of the invention

[0007] In view of the problems in the prior art, the present invention provides a live fish tank for a fishing boat which is convenient for storing, and a method for using the live fish tank.

[0008] The technical solution adopted by the present invention to solve its technical problems is: a live fish hold for a fishing boat that is convenient for storage, comprising a hull, a storage mechanism on the hull, the storage mechanism comprising a fish hold fixed on the hull, two adjustment mechanisms relatively arranged on the fish hold, both of the two adjustment mechanisms are provided with a floating mechanism, a drainage mechanism penetrating the fish hold is provided at the bottom of the hull, and two lifting mechanisms are provided on the inner wall of the fish hold; the storage mechanism also comprises a filter bucket and a side plate, a filter bucket is provided inside the fish hold, both sides of the filter bucket are fixed with side plates that abut against the fish hold, the lifting mechanism comprises two support plates, both side walls of the fish hold are slidably connected with support plates, the top of the support plate abuts against the bottom of the side plate, both sides of the fish hold are relatively slidably connected with side grooves, a plurality of baffles located at the side grooves are equidistantly fixedly connected on both sides of the fish hold, the outer walls of the two support plates are fixedly connected with limit plates, both limit plates are slidably connected with slide plates, and the slide plates are inserted between the two baffles.

[0009] Specifically, the lifting mechanism further includes a spring, and the spring is clamped between the limiting plate and the sliding plate.

[0010] Specifically, the lifting mechanism further includes a handle, and the two slides are both fixedly connected with a handle.

[0011] Specifically, the storage mechanism further comprises a cover plate and a handle groove. The fish hold is buckled with a cover plate that contacts the side plate and the top of the filter bucket. Two handle grooves are arranged opposite to each other on the cover plate.

[0012] Specifically, the adjustment mechanism includes two mounting plates, mounting plates that are in contact with the hull are relatively fixed on the sides of the two fish tanks, fixing plates that are in contact with the hull are fixed on the bottoms of the two mounting plates, adjustment plates are rotatably connected to the bottoms of the two fixing plates in reverse, rollers are rollingly connected inside the adjustment plates, connecting rods are rotatably connected to the two rollers, screw rods are rotatably connected to the two mounting plates, sliders are threadedly connected to the screw rods, the sliders are rotatably connected to the connecting rods, plug rods are inserted into the two adjustment plates, and the adjustment plates and the plug rods are fixed by latches.

[0013] Specifically, the floating mechanism includes two shells, and the opposite ends of the two insertion rods are fixedly connected to the shell with a hollow interior, and both ends of the shell are threadedly connected to floats.

[0014] Specifically, the floating mechanism also includes a water inlet. Two groups of water inlets are relatively arranged on the two outer shells and the two groups of floats. The ends of the floats are V-shaped structures. A placement opening is opened on the two outer shells. A slide rail is fixedly connected to the two outer shells. A sealing cover located at the top of the placement opening is slidably connected to the two slide rails.

[0015] Specifically, the drainage mechanism includes a threaded sleeve, which is threadedly connected to the bottom opening of the hull, and the tops of the two threaded sleeves are fixedly connected to an internal hollow shell, the shell having a hexagonal structure passes through the fish hold and the filter bucket, and an inlet pipe with an inclined bottom is inserted into the interior of the threaded sleeve, and the side wall of the shell is provided with a plurality of water inlet holes, and the top of the shell is threadedly connected to a stud, and the bottom of the stud is provided with a sealing plug located inside the shell.

[0016] Specifically, the drainage mechanism also includes a paddle, a filter and a pointer. The internal thread of the water inlet pipe is connected to the filter, the bottom of the filter is fixed with a paddle, and the shell is provided with a pointer with an ↑-shaped structure, and the direction of the pointer is the same as the inclination direction of the bottom of the water inlet pipe.

[0017] A method for using a live fish tank of a fishing boat for convenient storage comprises the following steps:

[0018] S1: First, the boat is driven to the water surface to fish. When fishing, the drainage mechanism is opened, and the inclination direction of the water inlet pipe is ensured to be the same as the direction in which the boat is driven, so that water is poured into the fish hold to feed fish when the boat is moving forward. The caught fish can be classified and placed inside the storage mechanism and the floating mechanism.

[0019] S2: Then the floating mechanism can support the hull to increase buoyancy, and the classified fish can be placed inside the floating mechanism. When the hull is traveling, water can be circulated through the water inlet hole to increase oxygen;

[0020] S3: Finally, when taking out the fish in the fish tank, lift the filter bucket and move the two slide plates at the same time to lift the support plate. After lifting to a certain position, release the slide plate to insert the slide plate between the two baffles to support the filter bucket by the support plate, which is convenient for sorting fish. Rotate the threaded sleeve 180 degrees to change the inclination direction of the water inlet pipe, and drain the water automatically as the hull moves.

[0021] The beneficial effects of the present invention are:

[0022] (1) The present invention discloses a convenient storage live fish tank for a fishing boat. The fish tank is provided with a lifting mechanism. When fishing, aggressive fish can be placed inside the filter bucket. After fishing, the filter bucket can be lifted and two slide plates can be slid horizontally at the same time to achieve that the slide plate is not between the two baffles. The support plate is pulled upward to a certain position and the slide plate is released to realize that the spring resets the slide plate and inserts it between the two baffles, thereby fixing the support plate and completing the suspension of the filter bucket. This facilitates the rapid separation of all the fish in the fish tank from the water for capture and sorting.

[0023] (2) The present invention provides a convenient storage live fish tank for a fishing boat. Both sides of the fish tank are connected with an adjustment mechanism. The adjustment mechanism is provided with a floating mechanism. The floating mechanism can further support the hull and increase the buoyancy. On the other hand, the fish can be placed inside the outer shell. When the hull is traveling, the water inlet can automatically circulate the water inside the outer shell, thereby realizing the classified storage of fish and avoiding mutual attacks that cause fish deaths and injuries. The adjustment mechanism can also be used to adjust the inclination angle of the water inlet on the outer shell and the float, which is conducive to the swing of water into the two for circulation.

[0024] (3) The live fish hold of a fishing boat convenient for storage described in the present invention has a drainage mechanism threadedly connected to the bottom of the hull. When fishing, the shell is rotated to make the bottom inclination angle of the water inlet pipe the same as the forward direction of the hull. After opening the sealing plug, water is automatically squeezed into the interior of the water inlet pipe and discharged from the water inlet hole into the fish hold to complete water storage. After the fish are sorted, the shell can be rotated to make the inclination direction of the water inlet pipe opposite to the forward direction of the hull, thereby achieving automatic and rapid drainage. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0026] Figure 1 A schematic diagram of the overall structure of a preferred embodiment of a live fish tank for a fishing boat that is convenient for storage and a method of using the same provided by the present invention;

[0027] Figure 2 It is a schematic diagram of the connection structure between the fish tank and the filter bucket of the present invention;

[0028] Figure 3 It is a schematic diagram of the connection structure between the housing and the float of the present invention;

[0029] Figure 4 It is a schematic diagram of the connection structure between the threaded sleeve and the water inlet pipe of the present invention;

[0030] Figure 5 It is a schematic diagram of the connection structure between the stud and the sealing plug of the present invention;

[0031] Figure 6 It is a schematic diagram of the connection structure of the adjusting rod and the inserting rod of the present invention;

[0032] Figure 7 It is a schematic diagram of the connection structure between the roller and the adjusting rod of the present invention;

[0033] Figure 8 It is a schematic diagram of the connection structure between the housing and the placement port of the present invention;

[0034] Fig. 9 It is a schematic diagram of the connection structure between the support plate and the slide plate of the present invention;

[0035] Fig.10 It is a schematic diagram of the connection structure of the slide plate, the limit plate and the spring of the present invention.

[0036] In the figure: 1. hull; 2. storage mechanism; 201. fish hold; 202. cover plate; 203. handle groove; 204. filter bucket; 205. side plate; 3. lifting mechanism; 301. side groove; 302. baffle plate; 303. handle; 304. support plate; 305. slide plate; 306. limit plate; 307. spring; 4. adjustment mechanism; 401. mounting plate; 402. fixing plate; 403. adjustment plate; 404. plug rod; 405. latch; 406, screw rod; 407, slider; 408, connecting rod; 409, roller; 5, floating mechanism; 501, shell; 502, water inlet; 503, float; 504, slide rail; 505, sealing cover; 506, placement port; 6, drainage mechanism; 601, shell; 602, threaded sleeve; 603, water inlet pipe; 604, paddle; 605, water inlet hole; 606, stud; 607, sealing plug; 608, pointer; 609, filter. DETAILED DESCRIPTION

[0037] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0038] like Figure 1 - Fig.10As shown, a live fish tank for a fishing boat convenient for storage according to the present invention comprises a hull 1, a storage mechanism 2 is provided on the hull 1, the storage mechanism 2 comprises a fish tank 201 fixed on the hull 1, two adjustment mechanisms 4 are provided on the fish tank 201, and both of the two adjustment mechanisms 4 are provided with a floating mechanism 5, a drainage mechanism 6 penetrating the fish tank 201 is provided at the bottom of the hull 1, and two lifting mechanisms 3 are provided on the inner wall of the fish tank 201; the storage mechanism 2 also comprises a filter hopper 204 and a side plate 205, the filter hopper 204 is provided inside the fish tank 201, and the side plates 205 that are in conflict with the fish tank 201 are fixed on both sides of the filter hopper 204, and the lifting mechanism 3 comprises two supporting The fish hold 201 has a support plate 304, and the two side walls of the fish hold 201 are slidably connected with a support plate 304, the top of the support plate 304 is in contact with the bottom of the side plate 205, and the two sides of the fish hold 201 are relatively slidably connected with side grooves 301, and the two sides of the fish hold 201 are equidistantly fixedly connected with a plurality of baffles 302 located at the side grooves 301, and the outer walls of the two support plates 304 are fixedly connected with a limit plate 306, and the two limit plates 306 are slidably connected with a slide plate 305, and the slide plate 305 is inserted between the two baffle plates 302; the lifting mechanism 3 also includes a spring 307, and a spring 307 is clamped between the limit plate 306 and the slide plate 305; the lifting mechanism 3 also includes a handle 3 03, the two slide plates 305 are fixedly connected with handles 303; the storage mechanism 2 also includes a cover plate 202 and a handle groove 203, the fish hold 201 is buckled with a cover plate 202 that contacts the side plate 205 and the top of the filter hopper 204, and two handle grooves 203 are relatively provided on the cover plate 202; when fishing, the cover plate 202 is opened, and at this time, most of the filter hopper 204 is submerged in the water inside the fish hold 201, and larger and more aggressive fish can be placed inside the fish hold 201 for storage, so as to avoid the fish from attacking each other and causing death and injury that affects the freshness of the fish. After fishing, the hull 1 is brought close to the shore to sort or sell the fish in the fish hold 201. There is undischarged water inside 201, and the fish hold 201 is too deep to be convenient for sorting the fish. At this time, the filter hopper 204 can be lifted, and the two slide plates 305 can be slid to realize the contraction of the spring 307. The slide plate 305 is further pulled out from the baffle 302, and the two support plates 304 are pulled upward at the same time. After reaching a certain position, the slide plate 305 is released, so that the spring 307 is reset, and the slide plate 305 is engaged between the corresponding two baffles 302 to complete the support of the support plate 304 to the side plate 205. At this time, the filter hopper 204 can be on the top of the fish hold 201 to realize the rapid lifting of the fish inside the fish hold 201, which is convenient for catching and selecting. After the sorting is completed, the support plate 304 can be reset, and the cover plate 202 can be convenient for walking.

[0039] Specifically, the adjustment mechanism 4 includes two mounting plates 401, the sides of the two fish tanks 201 are relatively fixed with mounting plates 401 that are in contact with the hull 1, the bottoms of the two mounting plates 401 are fixed with fixing plates 402 that are in contact with the hull 1, the bottoms of the two fixing plates 402 are rotatably connected with adjustment plates 403, the inside of the adjustment plate 403 is rollingly connected with a roller 409, the two rollers 409 are rotatably connected with a connecting rod 408, the two mounting plates 401 are rotatably connected with a screw rod 406, the screw rod 406 is threadedly connected with a slider 407, the slider 407 The two adjusting plates 403 are rotatably connected to the connecting rod 408, and the two adjusting plates 403 are plugged with plug rods 404, and the adjusting plates 403 and the plug rods 404 are fixed by a latch 405; the floating mechanism 5 includes two shells 501, and the opposite ends of the two plug rods 404 are fixedly connected with the inner hollow shells 501, and the two ends of the shells 501 are threadedly connected with floats 503; the floating mechanism 5 also includes a water inlet 502, and the two shells 501 and the two groups of floats 503 are oppositely provided with two groups of water inlets 502, and the ends of the floats 503 are V-shaped. A placement port 506 is opened on each of the two shells 501, a slide rail 504 is fixedly connected to each of the two shells 501, and a sealing cover 505 located at the top of the placement port 506 is slidably connected to each of the two slide rails 504; when the hull 1 is traveling, the two floats 503 increase the buoyancy of the hull 1, increase the stability of the hull 1 when traveling, and the floats 503 are in a V-shaped structure, which can reduce the resistance when traveling, and due to the setting of the water inlet 502, the interior of the shell 501 can always have water, and as the hull 1 travels, the water can circulate from the two sets of water inlets 502, so that mild fish can be placed in the shell 5 01, increase its survival time, or the slider 407 can be raised or lowered by rotating the screw rod 406, and then the connecting rod 408 cooperates with the roller 409 to rotate the adjusting plate 403, changing the angle between the adjusting plate 403 and the fixed plate 402, thereby changing the inclination of the water inlet 502 on the outer shell 501 and the float 503, so that the water can enter the inner part of the outer shell 501 for circulation when the water shakes. When taking out the fish in the outer shell 501, pull out the pin 405, separate the plug rod 404 from the adjusting plate 403, take the outer shell 501, separate the float 503 from the outer shell 501, and the fish can be taken out.

[0040] Specifically, the drainage mechanism 6 includes a threaded sleeve 602, which is threadedly connected to the bottom opening of the hull 1, and the tops of the two threaded sleeves 602 are fixedly connected to a hollow shell 601, and the shell 601 with a hexagonal structure passes through the fish tank 201 and the filter bucket 204. The inside of the threaded sleeve 602 is plugged with an inlet pipe 603 with an inclined bottom, and the side wall of the shell 601 is provided with a plurality of water inlet holes 605. The top of the shell 601 is threadedly connected to a stud 606, and the stud 60 The bottom of the water inlet pipe 603 is provided with a sealing plug 607 located inside the shell 601; the drainage mechanism 6 also includes a paddle 604, a filter screen 609 and a pointer 608. The inner thread of the water inlet pipe 603 is connected with the filter screen 609, and the bottom of the filter screen 609 is fixed with a paddle 604. The shell 601 is provided with a pointer 608 of an ↑-shaped structure, and the direction of the pointer 608 is the same as the bottom inclination direction of the water inlet pipe 603. When fishing, the hull 1 is driven onto the water surface, and a certain amount of liquid needs to be injected into the fish tank 201 before fishing. At this time, the stud 606 on the shell 601 is rotated to open the water inlet 605 with the sealing plug 607. The direction of the pointer 608 is the same as the forward direction of the bow, which ensures that the bottom inclination direction of the water inlet pipe 603 is the same as the forward direction of the hull 1. Since the bottom of the water inlet pipe 603 is inclined, when the hull 1 moves forward, the hull 1 has a greater gravity, and the water automatically enters the interior of the shell 601 as it moves forward, and is further discharged from the water inlet hole 605 to the interior of the fish hold 201 for fish farming, realizing self- When the fish in the fish hold 201 are sorted, the housing 601 is rotated 180 degrees to realize the rotation of the threaded sleeve 602 on the hull 1. At this time, the pointer 608 points to the stern, and the inclination direction of the water inlet pipe 603 is opposite to the bow. Then, water will not squeeze into the fish hold 201, and the water in the fish hold 201 is automatically discharged from the water inlet hole 605 to the inside of the water inlet pipe 603, completing the automatic discharge of the water in the fish hold 201. The stud 606 is rotated to realize the sealing plug 607 to close the water inlet hole 605, and no more water will enter.

[0041] A method for using a live fish tank of a fishing boat for convenient storage comprises the following steps:

[0042] S1: First, the hull 1 is driven to the water surface for fishing. When fishing, the drainage mechanism 6 is opened, and the inclination direction of the water inlet pipe 603 is ensured to be the same as the driving direction of the hull 1, so that water is poured into the fish hold 201 for fish breeding when the hull 1 moves forward. The caught fish can be classified and placed in the storage mechanism 2 and the floating mechanism 5;

[0043] S2: Then the floating mechanism 5 can support the hull 1 to increase buoyancy, and the classified fish can be placed inside the floating mechanism 5. When the hull 1 is traveling, water can be circulated from the water inlet 605 to increase oxygen;

[0044] S3: Finally, when taking out the fish in the fish tank 201, lift the filter hopper 204, and at the same time move the two slide plates 305 to lift the support plate 304. After lifting to a certain position, release the slide plate 305 to insert the slide plate 305 between the two baffles 302, so that the support plate 304 supports the filter hopper 204, which is convenient for sorting fish. Rotate the threaded sleeve 602 180 degrees to change the inclination direction of the water inlet pipe 603, and automatically drain the water as the hull 1 moves.

[0045] When the present invention is in use, the hull 1 is driven onto the water surface during fishing. Before fishing, a certain amount of water needs to be injected into the fish hold 201. At this time, the stud 606 on the shell 601 is rotated to open the water inlet 605 with the sealing plug 607. The direction of the pointer 608 is observed to be the same as the forward direction of the bow, which ensures that the bottom inclination direction of the water inlet pipe 603 is the same as the forward direction of the hull 1. Since the bottom of the water inlet pipe 603 is inclined, when the hull 1 moves forward, due to the greater gravity of the hull 1, water automatically enters the interior of the shell 601 as it moves forward, and further from the water inlet The hole 605 is discharged to the inside of the fish hold 201 for fish farming, and automatic water injection is realized. When the fish in the fish hold 201 are sorted, the housing 601 is rotated 180 degrees to realize the rotation of the threaded sleeve 602 on the hull 1. At this time, the pointer 608 points to the stern, and the inclination direction of the water inlet pipe 603 is opposite to the bow. Then, water will not squeeze into the inside of the fish hold 201, and the water in the fish hold 201 is automatically discharged from the water inlet hole 605 to the inside of the water inlet pipe 603, completing the automatic discharge of the water in the fish hold 201. The stud 606 is rotated to realize the sealing plug 607 to close the water inlet hole 605, and no more water will enter.

[0046] Then, when fishing, the cover 202 is opened, and most of the filter hopper 204 is submerged in the water inside the fish hold 201. Large and aggressive fish can be placed inside the fish hold 201 for storage to avoid fish attacking each other and causing death and injury, which affects the freshness of the fish. After fishing, the hull 1 is moved closer to the shore to sort or sell the fish in the fish hold 201. Since there is undischarged water inside the fish hold 201 and the fish hold 201 is too deep to sort the fish, the filter hopper 204 can be lifted at this time, and the two slide plates 3 can be slid to the bottom of the hull 1. 05 realizes the contraction of spring 307, and further slide plate 305 is pulled out from baffle plate 302, and two support plates 304 are pulled upward at the same time. After reaching a certain position, slide plate 305 is released, and spring 307 is reset, and slide plate 305 is engaged between the corresponding two baffle plates 302, so that support plate 304 supports side plate 205. At this time, filter bucket 204 can be on the top of fish tank 201, so as to realize rapid lifting of fish in fish tank 201, which is convenient for catching and selecting. After sorting, support plate 304 can be reset, and cover plate 202 can be convenient for walking;

[0047] Finally, when the hull 1 is traveling, the two floats 503 increase the buoyancy of the hull 1, and increase the stability of the hull 1 during traveling. The floats 503 are in a V-shaped structure, which can reduce the resistance during traveling. Due to the setting of the water inlet 502, the shell 501 can always have water inside. As the hull 1 travels, the water can circulate from the two groups of water inlets 502, so that mild fish can be placed inside the shell 501 to increase their survival time. The slider 40 can also be rotated by rotating the screw rod 406 to realize 7 rises or falls, and then the connecting rod 408 cooperates with the roller 409 to rotate the adjusting plate 403, changing the angle between the adjusting plate 403 and the fixing plate 402, thereby changing the inclination of the water inlet 502 on the outer shell 501 and the float 503, so that the water can enter the inner part of the outer shell 501 for circulation when the water shakes. When taking out the fish in the outer shell 501, the latch 405 is pulled out, the plug 404 is separated from the adjusting plate 403, the outer shell 501 is taken out, and the float 503 is separated from the outer shell 501, and the fish can be taken out.

[0048] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0049] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A live fish tank for a fishing boat that is convenient for storage, characterized in that: The invention comprises a hull (1), wherein a storage mechanism (2) is provided on the hull (1), wherein the storage mechanism (2) comprises a fish hold (201) fixed on the hull (1), wherein two adjustment mechanisms (4) are provided on the fish hold (201) in opposite directions, wherein both of the two adjustment mechanisms (4) are provided with a floating mechanism (5), wherein a drainage mechanism (6) penetrating the fish hold (201) is provided at the bottom of the hull (1), and wherein two lifting mechanisms (3) are provided on the inner wall of the fish hold (201); The storage mechanism (2) further comprises a filter hopper (204) and a side plate (205). The fish hold (201) is provided with a filter hopper (204) inside. Side plates (205) that abut against the fish hold (201) are fixed on both sides of the filter hopper (204). The lifting mechanism (3) comprises two support plates (304). Both side walls of the fish hold (201) are slidably connected to the support plates (304). The top of the support plates (304) abuts against the bottom of the side plates (205). Side grooves (301) are slidably connected to the two sides of the fish hold (201). The two sides of the fish hold (201) are equidistant from each other. A plurality of baffles (302) located at the side grooves (301) are fixedly connected, the outer walls of the two support plates (304) are fixedly connected to limit plates (306), the two limit plates (306) are slidably connected to slide plates (305), and the slide plates (305) are inserted between the two baffles (302); the lifting mechanism (3) also includes a spring (307), and the spring (307) is clamped between the limit plates (306) and the slide plates (305); the lifting mechanism (3) also includes a handle (303), and the two slide plates (305) are fixedly connected to the handle (303); The storage mechanism (2) further comprises a cover plate (202) and a handle groove (203); the fish hold (201) is buckled with a cover plate (202) that contacts the side plate (205) and the top of the filter bucket (204); the cover plate (202) is provided with two handle grooves (203) that are arranged opposite to each other; the adjustment mechanism (4) comprises two mounting plates (401); the mounting plates (401) that contact the hull (1) are fixed to the sides of the two fish holds (201); the bottoms of the two mounting plates (401) are fixed with fixing plates (402) that contact the hull (1); the two fixing plates (401) are provided with fixing plates (402) that contact the hull (1); 2) are rotatably connected to the bottom of the two mounting plates (401), the bottom of the two mounting plates (401) are rotatably connected to an adjustment plate (403), the inside of the adjustment plate (403) is rotatably connected to a roller (409), the two rollers (409) are rotatably connected to a connecting rod (408), the two mounting plates (401) are rotatably connected to a screw rod (406), the screw rod (406) is threadedly connected to a slider (407), the slider (407) and the connecting rod (408) are rotatably connected, the two adjustment plates (403) are plugged with an insertion rod (404), and the adjustment plates (403) and the insertion rod (404) are fixed by a latch (405).

2. A live fish tank for a fishing boat that is convenient for storage according to claim 1, characterized in that: The floating mechanism (5) comprises two outer shells (501), and the opposite ends of the two insertion rods (404) are fixedly connected to the inner hollow outer shells (501), and the two ends of the outer shells (501) are threadedly connected to floats (503).

3. A live fish tank for a fishing boat that is convenient for storage according to claim 2, characterized in that: The floating mechanism (5) further comprises a water inlet (502), the two shells (501) and the two groups of floats (503) are provided with two groups of water inlets (502) facing each other, the ends of the floats (503) are in a V-shaped structure, the two shells (501) are provided with a placement opening (506), the two shells (501) are fixedly connected to a slide rail (504), and the two slide rails (504) are slidably connected to a sealing cover (505) located at the top of the placement opening (506).

4. A live fish tank for a fishing boat convenient for storage according to claim 3, characterized in that: The drainage mechanism (6) comprises a threaded sleeve (602), the threaded sleeve (602) being threadedly connected to the bottom opening of the hull (1), the tops of the two threaded sleeves (602) being fixedly connected to an internally hollow shell (601), the shell (601) having a hexagonal structure passing through the fish tank (201) and the filter bucket (204), the inside of the threaded sleeve (602) being plugged with an inlet pipe (603) with an inclined bottom, the side wall of the shell (601) being provided with a plurality of inlet holes (605), the top of the shell (601) being threadedly connected to a stud (606), the bottom of the stud (606) being provided with a sealing plug (607) located inside the shell (601).

5. A live fish tank for a fishing boat convenient for storage according to claim 4, characterized in that: The drainage mechanism (6) further comprises a paddle (604), a filter screen (609) and a pointer (608); the filter screen (609) is connected to the inner thread of the water inlet pipe (603); the paddle (604) is fixed to the bottom of the filter screen (609); and a pointer (608) of an ↑-shaped structure is provided on the housing (601); the pointer (608) points in the same direction as the bottom inclination direction of the water inlet pipe (603).

6. A method for using a live fish hold for a fishing boat that is convenient for storage according to any one of claims 4-5, characterized in that: The following steps are involved: S1: First, the hull (1) is moved to the surface of the water to carry out fishing operations. When fishing, the drainage mechanism (6) is opened, and the inclination direction of the water inlet pipe (603) is ensured to be the same as the direction in which the hull (1) is moved, so that water is poured into the fish hold (201) to raise fish when the hull (1) moves forward. The caught fish can be classified and placed inside the storage mechanism (2) and the floating mechanism (5); S2: Then the floating mechanism (5) can support the hull (1) to increase buoyancy, and the classified fish can be placed inside the floating mechanism (5). When the hull (1) is traveling, water can be circulated through the water inlet (605) to increase oxygen; S3: Finally, when taking out the fish in the fish tank (201), the filter hopper (204) is lifted, and the two slide plates (305) are moved at the same time to lift the support plate (304). After lifting to a certain position, the slide plate (305) is released to insert the slide plate (305) between the two baffles (302) so that the support plate (304) supports the filter hopper (204) to facilitate sorting of fish. The threaded sleeve (602) is rotated 180 degrees to change the inclination direction of the water inlet pipe (603), and the water is automatically drained as the hull (1) moves.

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