A trap for catching soft-bodied fish and a method of using the same

Abstract

The invention discloses a trap for catching soft-bodied fish and a method for using the trap, and the invention relates to the technical field of catching soft-bodied fish. The trap for catching soft-bodied fish and the method for using the trap comprise a frame, a side support fixed on the frame, a surface net wound on the frame, a side net wound on the side support and the frame, a bait box detachably mounted in the frame, a fish inlet detachably mounted on the frame, a traction rope fixed on the top of the frame, and a floating ball fixed at one end of the traction rope for marking a position, wherein a control component for adjusting the passable area of ​​the fish inlet and a release component for increasing observability are arranged at the fish inlet, wherein the control component comprises: a fixed block, wherein a support shaft is movably penetrated, and the fish inlet is made of a fishing net, and a gap is not likely to be left open under the impact of seawater, and the soft-bodied fish will struggle around and easily escape from the opened fish inlet after entering, thereby reducing the rate of fish escape.

Description

Technical Field

[0001] The invention relates to the technical field of catching soft-bodied fish, and in particular to a trap for catching soft-bodied fish and a use method thereof. Background Art

[0002] Fish traps are tools that can efficiently trap underwater creatures and are widely used in aquaculture. Existing traps, including fish inlets, are usually made of fishing nets, which makes it easy for gaps to appear at the inverted hole under the impact of seawater and expand continuously under the struggle and collision of fish, making it easy for fish in the trap to escape from the fish inlet. This disadvantage is particularly obvious when fishing for soft fish that have no bones or hard structures that are easily deformed. Although there are also traps made of hard materials to make fish inlets, it is impossible to accurately determine whether there are prey in the trap, and each trap needs to be dragged out of the water, which reduces the operation efficiency;

[0003] For example, a fish trap disclosed in Publication No. CN214316723U has the problem that a relatively soft fishing net is used to make the fish entrance, which makes it easy for soft fish to escape. A combined trap for catching octopuses disclosed in Publication No. CN206603077U has the problem that the turbidity of the seawater affects the accuracy of judgment, and it is impossible to accurately judge whether there is prey in the trap. Each trap needs to be dragged out of the water, which reduces the working efficiency.

[0004] Therefore, a trap for catching soft-bodied fish and a method of using the trap are proposed. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a trap for catching soft-bodied fish and a method for using the same, which solves the problem of using a relatively soft fishing net to make a fish inlet, which makes it easy for gaps to appear at the inverted hole under the impact of seawater and continuously expands under the struggle and collision of the fish, making it easy for the fish in the trap to escape from the fish inlet. This drawback is particularly obvious when catching soft-bodied fish that have no bones or hard structures that are easily deformed.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a trap for catching soft-bodied fish, comprising a frame, side pillars fixed on the frame, a surface net wrapped around the frame, a side net wrapped around the side pillars and the frame, a bait box detachably mounted in the frame, a fish inlet detachably mounted on the frame, a traction rope fixed on the top of the frame, and a floating ball fixed at one end of the traction rope for marking a position, wherein a control component for adjusting the passable area of ​​the fish inlet and a release component for increasing observability are arranged at the fish inlet, and the control component includes:

[0007] A fixed block, fixed on the side wall of the fish inlet, used to provide support for the control assembly, wherein a support shaft is movably provided in the fixed block;

[0008] The right gear lever is fixedly penetrated on the supporting shaft and is used for adjusting the passing area of ​​the fish inlet. A fixed shaft is fixedly provided on the top of the right gear lever, and a push rod is fixedly provided on the top of the fixed shaft.

[0009] Preferably, a sliding rod is abutted on the side wall of the push rod, a guide rod is slidably inserted into the sliding rod, one end of the guide rod is fixed to the top of the fish inlet, a spring 1 is fixed on the side wall of the guide rod, and the other end of the spring 1 is fixed in the sliding rod.

[0010] Preferably, one end of the sliding rod abuts against an arc rod, a positioning shaft is fixedly penetrated through the arc rod, and one end of the positioning shaft is movably mounted on the top of the fish inlet.

[0011] Preferably, an arc-shaped groove is provided at the top of the arc-shaped rod, a limit rod is slidably connected in the arc-shaped groove, a fixing plate is fixed on the top of the limit rod, a connecting shaft is fixed at one end of the fixing plate, a left gear rod is fixed at the bottom of the connecting shaft, and the left gear rod is located on the other side of the fish inlet relative to the right gear rod.

[0012] Preferably, the release assembly includes a connecting rod fixed on the top of the sliding rod, a fixing sleeve is fixed on one side of the connecting rod, a guide column is slidably inserted into the fixing sleeve, a fixing rod is fixedly inserted on the guide column, a spring 2 is fixed to one end of the fixing rod, the other end of the spring 2 is fixed to the side wall of the connecting rod, a sliding shaft is fixedly inserted on the fixing rod, a control valve is slidably inserted outside the sliding shaft, and an air pipe is connected to the control valve.

[0013] Preferably, a gas storage bottle is fixed on the side wall of the fish inlet, the gas storage bottle is connected to a water storage bottle through an air pipe, the water storage bottle is movably installed in the float, the gas storage bottle is filled with carbon dioxide gas, and the water storage bottle is filled with clarified lime water.

[0014] Preferably, a mixing assembly for increasing observability is also provided at the float, and the mixing assembly includes a mounting plate fixed in the float, a rotating shaft movably penetrated in the mounting plate, and a right float plate or a left float plate is fixed to one end of the rotating shaft.

[0015] Preferably, a lower slider is fixed to the other end of the rotating shaft, the top of the lower slider is tilted, an upper slider is slidably abutted on the inclined outer wall of the lower slider, the bottom of the upper slider is tilted, and one end of the upper slider can be detached from the water storage bottle through a positioning block.

[0016] The present invention also provides a method for using a trap for catching soft-bodied fish, comprising the following steps:

[0017] S1, assemble a frame, a surface net, side pillars, a side net, a bait box and a fish inlet into a trap, and connect a floating ball to the top of the trap through a traction rope;

[0018] S2. Place bait in the bait box and throw the trap into the ocean;

[0019] S3. The control component and the release component cooperate with each other to make the trap that has caught the soft-bodied fish easier to identify;

[0020] S4. After a period of time, the boat goes to the deployment area again, salvages the trap that has caught the mollusk, takes out the prey, and then puts it back into the sea after maintaining the release component;

[0021] S5. Return to the port with the trapped prey.

[0022] Preferably, the capacity of the gas storage bottle in the release assembly is between 300-600 ml.

[0023] The present invention provides a trap for catching soft-bodied fish and a method for using the trap. Compared with the prior art, the trap has the following beneficial effects:

[0024] (1) The trap for catching soft-bodied fish and the method for using the trap are provided with a frame, a surface net, side pillars, a side net, a bait box, a fish inlet, a traction rope, and a buoy. A complete trap is formed between the frame, the side pillars, the surface net, the side net, and the fish inlet, so that soft-bodied fish such as octopus, squid, and cuttlefish can enter the trap through the fish inlet and cannot escape from the fish inlet. Furthermore, by using polyethylene material to make the fish inlet, the fish inlet made of a fishing net will not have gaps that are easily opened under the impact of seawater, and soft-bodied fish can easily escape from the opened inlet after struggling after entering. In order to prevent fish from escaping from the fish's mouth and reduce the rate of fish escape, the bait box is tied to the bottom net or frame with a cable tie or rope inside the trap. The bait box is made of transparent material, and a luminous shrimp-shaped lure is hung in the bait box through a carbon line. The lure can swim in the bait box with the impact of sea water, thereby luring soft-bodied fish to enter the trap through the fish inlet to feed, which can reduce the demand for bait and the investment in a single fishing trip. At the same time, by setting multiple fish inlets, the catching range and angle are expanded, and the chance of soft-bodied fish contacting the bait is increased, thereby significantly improving the capture efficiency.

[0025] (2) The trap for catching soft-bodied fish and the method for using the trap are provided with a fixed block, a support shaft, a right gear rod, a fixed shaft, a push rod, a sliding rod, a guide rod, a spring, an arc rod, a positioning shaft, a limit rod, a fixed plate, a connecting shaft, and a left gear rod. The fixed block provides support force to the support shaft, the support shaft provides support force to the right gear rod, and another set of fixed blocks and the support shaft provide support force to the left gear rod. The left gear rod and the right gear rod cooperate with each other. When the soft-bodied fish enters the trap through the fish inlet, The left and right gear levers will be squeezed to rotate with the corresponding support shafts, so that soft-bodied fish can smoothly enter the trap. When the soft-bodied fish wants to go out from the fish inlet, the left and right gear levers will be pressed against the fish inlet made of polyethylene material and cannot rotate, thereby further reducing the fish escape rate. By adding the left and right gear levers at the fish inlet, it is difficult for soft-bodied fish to find or use the same channel to escape when they are frightened or looking for an exit, which greatly reduces the possibility of escape, improves the trapping efficiency, and reduces the fish escape rate.

[0026] (3) The trap for catching soft-bodied fish and the method for using the trap are provided with a connecting rod, a fixing sleeve, a second spring, a guide column, a fixing rod, a sliding shaft, a control valve, a gas cylinder, an air pipe, and a water storage bottle. When a soft-bodied fish enters the trap through the fish inlet, the carbon dioxide gas in the gas cylinder can be released into the water storage bottle, making the lime water in the water storage bottle turbid. When the fisherman drives the boat to the sea area where the trap is deployed to retrieve the trap, he can judge whether there is prey in the trap by observing the turbidity of the lime water in the water storage bottle in the float. The more turbid the lime water is, the more prey there is, and vice versa. There is no need to pull each trap out of the water to check. At the same time, the use of luminous bait for trapping means that fishermen do not need to pull traps without prey out of the water to add bait, which saves time in collecting and releasing traps and improves fish collection efficiency. The turbid lime water can be poured out and collected from the water storage bottle, and then refilled with clarified lime water and added with carbon dioxide gas in the gas cylinder for reuse. The collected turbid lime water can be heated centrally to release the carbon dioxide gas in the water for recycling. Only a small amount of carbon dioxide gas needs to be added for reuse, saving operation and maintenance costs.

[0027] (4) The trap for catching soft-bodied fish and the method for using the trap are provided with a positioning block, an upper slider, a lower slider, a rotating shaft, a mounting plate, a right floating plate, and a left floating plate. When the right floating plate and the buoy float on the sea surface, the right floating plate can be turned around the rotating shaft as the waves fluctuate, so that the water storage bottle in the buoy can drive the lime water inside to rotate. When there is carbon dioxide gas in the water storage bottle, it can fully react with the lime water to make the lime water turbid, thereby avoiding the situation that the carbon dioxide and lime water are not reacted completely, making it difficult to distinguish whether the lime water is turbid, resulting in the trap that has caught the soft-bodied fish not being recovered in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0029] Figure 2 Another perspective view of the overall structure of the present invention;

[0030] Figure 3 is a cross-sectional view of the framework of the present invention;

[0031] Figure 4 It is a schematic diagram of the position of the control components of the present invention;

[0032] Figure 5 It is a structural combination state diagram of the control component of the present invention;

[0033] Figure 6 It is a partial structural decomposition state diagram of the control component of the present invention;

[0034] Figure 7 It is a partial structural decomposition state diagram of the control component of the present invention;

[0035] Figure 8 It is a partial structural diagram of the release assembly of the present invention;

[0036] Fig. 9 It is a partial structural diagram of the release assembly of the present invention;

[0037] Fig.10 For the present invention Fig. 9 The enlarged view of point A in the middle;

[0038] Fig.11 It is a state structure diagram of the mixing component of the present invention;

[0039] Fig.12 It is a structural diagram of the upper slider of the present invention.

[0040] In the figure: 1. frame; 11. surface net; 12. side support; 13. side net; 14. bait box; 15. fish inlet; 16. traction rope; 17. float; 2. fixed block; 21. support shaft; 22. right gear lever; 23. fixed shaft; 24. push rod; 25. sliding rod; 26. guide rod; 27. spring one; 28. arc rod; 29. ​​positioning shaft; 210. limit rod; 211. fixed plate; 212. connecting shaft; 213. left gear lever; 3. connecting rod; 31. fixed sleeve; 32. spring two; 33. guide column; 34. fixed rod; 35. sliding shaft; 36. control valve; 37. gas cylinder; 38. air pipe; 39. water bottle; 4. positioning block; 41. upper slider; 42. lower slider; 43. rotating shaft; 44. mounting plate; 45. right floating plate; 46. left floating plate. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] See also Figures 1 to 12 , the present invention provides the following technical solutions:

[0043] Embodiment 1: A trap for catching soft-bodied fish, comprising a frame 1, side pillars 12 fixedly mounted on the frame 1, a surface net wrapped around the frame 1, a side net 13 wrapped around the side pillars 12 and the frame 1, a bait box 14 detachably mounted in the frame 1 via a cable tie or a rope, a fish inlet 15 detachably mounted on the frame 1 via a cable tie or a rope, a traction rope 16 fixedly mounted on the top of the frame 1, and a float 17 fixedly mounted at one end of the traction rope 16 for marking a position. The number of the fish inlets 15 is three groups, which can also be set to other numbers.

[0044] When in use, the upper and lower circular frames 1 are combined by the side pillars 12, and the fish inlet 15 is installed on the frame 1, and the gap between the frame 1 and the side pillars 12 is sealed by the surface net 11 and the side net 13, leaving only the fish inlet 15 unsealed, so that a complete trap is formed between the frame 1, the side pillars 12, the surface net 11, the side net 13 and the fish inlet 15, so that soft fish such as octopus, squid, and cuttlefish enter the trap through the fish inlet and cannot escape from the fish inlet 15. Moreover, by using polyethylene material to make the fish inlet, the fish inlet made of fishing nets will not have gaps that are easy to open under the impact of seawater, and soft fish will struggle around and easily escape from the opened fish inlet after entering, thereby reducing the fish escape rate;

[0045] The bait box 14 is tied to the bottom net 11 or frame 1 by using a tie or rope inside the trap. The bait box 14 is made of transparent material. A luminous shrimp-shaped fake bait is hung in the bait box through a carbon line, so that the fake bait can swim in the bait box 14 with the impact of seawater, and lure soft fish to enter the trap through the fish inlet 15 to prey, thereby reducing the need for real bait.

[0046] In order to enhance the luring effect, some real bait can also be put into the bait box 14, but the real bait needs to be replaced regularly to ensure the luring effect.

[0047] Embodiment 2, the technical solution of this embodiment is different from that of embodiment 1 and includes: a control component for adjusting the passable area of ​​the fish inlet 15 is provided at the fish inlet 15, and the control component includes: a fixed block 2, a support shaft 21, a right gear rod 22, a fixed shaft 23, a push rod 24, a sliding rod 25, a guide rod 26, a spring 27, an arc rod 28, a positioning shaft 29, a limit rod 210, a fixed plate 211, a connecting shaft 212, and a left gear rod 213. The number of control components is adapted to the number of fish inlets 15. In a single group of control components, the number of fixed blocks 2, support shafts 21, and right gear rods 22 is two groups, and the two groups of fixed blocks 2, support shafts 21, and right gear rods 22 are used to provide support for the right gear rod 22 and the left gear rod 213, respectively;

[0048] The connection method of each part in a single control assembly is as follows:

[0049] One end of the fixed block 2 is fixedly mounted on the side wall of the fish inlet 15 to provide support for the control component. A support shaft 21 is movably provided in the fixed block 2. The support shaft 21 can be hinged to the fixed block 2 through a torsion spring or movably connected to the fixed block 2 through a bearing. When the support shaft 21 is movably connected to the fixed block 2 through the bearing, the end of the arc rod 28 away from the limit rod 210 and the end of the sliding rod 25 away from the right gear rod 22 are both magnets and the two are magnetically attracted to each other.

[0050] The right gear lever 22 and the left gear lever 213 are respectively fixedly installed on the two support shafts 21 for adjusting the passable area of ​​the fish inlet 15. A fixed shaft 23 is fixedly installed on the top of the right gear lever 22, and a push rod 24 is fixedly installed on the top of the fixed shaft 23. A sliding rod 25 is slidably abutted on the side wall of the push rod 24. A guide rod 26 is slidably inserted in the sliding rod 25. One end of the guide rod 26 is fixedly installed on the top of the fish inlet 15. A spring 27 is fixedly installed on the side wall of the guide rod 26. The other end of the spring 27 is fixedly installed in the sliding rod 25. One end of the sliding rod 25 abuts against an arc rod 28. A positioning shaft 29 is fixedly inserted in the arc rod 28. One end of the positioning shaft 29 is movably installed on the top of the fish inlet 15 through a bearing.

[0051] An arc groove is opened at the top of the arc rod 28, and a limit rod 210 is slidably connected in the arc groove. A fixing plate 211 is fixedly installed on the top of the limit rod 210, and a connecting shaft 212 is fixedly installed at one end of the fixing plate 211. A left gear rod 213 is fixedly installed at the bottom of the connecting shaft 212. The left gear rod 213 and the right gear rod 22 are symmetrically arranged on both sides of the fish inlet 15.

[0052] When in use, the fixed block 2 provides support force to the support shaft 21, the support shaft 21 provides support force to the right gear lever 22, and another set of fixed blocks 2 and the support shaft 21 provide support force to the left gear lever 213;

[0053] The left gear lever 213 and the right gear lever 22 cooperate with each other. When the soft-bodied fish enters the trap through the fish inlet 15, the left gear lever 213 and the right gear lever 22 will be squeezed to rotate with the corresponding support shaft 21, so that the soft-bodied fish can smoothly enter the trap. When the soft-bodied fish completely enters the trap and moves to the bait box 14, the left gear lever 213 and the right gear lever 22 are reset to the initial state under the action of the corresponding support shaft 21 and the torsion spring. When the soft-bodied fish wants to go out of the fish inlet, the left gear lever 213 and the right gear lever 22 will be pressed against the fish inlet 15 made of polyethylene material and cannot rotate, thereby further reducing the fish escape rate.

[0054] A guide rod 26 is fixedly installed above each fish inlet 15, and the guide rod 26 provides support and guidance to the sliding rod 25. When the soft-bodied fish enters the trap through the fish inlet 15, if the soft-bodied fish touches the right gear rod 22, the right gear rod 22 will rotate with the support shaft 21 on this side as the axis. During the rotation, the right gear rod 22 drives the fixed shaft 23 to rotate, and the fixed shaft 23 drives the push rod 24 to move. The push rod 24 squeezes the sliding rod 25 to move, so that the sliding rod 25 moves in a straight line along the guide rod 26, and the sliding rod 25 squeezes the arc rod 28 to move. The positioning shaft 29 provides a supporting force to the arc rod 28, so that the arc rod 28 can rotate with the positioning shaft 29 as the axis when being squeezed by the sliding rod 25. During the rotation of the arc rod 28, the limiting rod 210 is squeezed to slide along the arc groove at the top of the arc rod 28, and the limiting rod 210 drives the fixing plate 211 to move, and the fixing plate 211 drives the connecting shaft 212 to move, so that the connecting shaft 212 drives the left gear rod 213 to turn over with the supporting shaft 21 on this side as the axis, so that the left gear rod 213 is opened synchronously, thereby increasing the passable area at the fish inlet and making it easier for soft-bodied fish to enter;

[0055] If the soft-bodied fish touches the left lever 213 first, only the left lever 213 will flip over, and the larger soft-bodied fish will push the right lever 22 to flip over as it continues to swim into the trap, thereby successfully entering the trap. The smaller soft-bodied fish can also successfully enter the trap through the fish inlet 15 after only the left lever 213 flips over.

[0056] Embodiment 3, the technical solution of this embodiment is different from that of embodiment 2, including: a release assembly for increasing observability is provided at the fish inlet 15, and the release assembly includes: a connecting rod 3, a fixing sleeve 31, a second spring 32, a guide column 33, a fixing rod 34, a sliding shaft 35, a control valve 36, a gas cylinder 37, an air pipe 38, a water storage bottle 39, and a cable tie 310, and the number of the release assembly is also adapted to the number of the fish inlet 15;

[0057] The connection method of each part in a single release assembly is as follows:

[0058] One end of the connecting rod 3 is fixedly installed on the top of the sliding rod 25, and a fixing sleeve 31 is fixedly installed on one side of the connecting rod 3. A guide column 33 is slidably inserted in the fixing sleeve 31, and a fixing rod 34 is fixedly installed on the guide column 33. A spring 2 32 is fixedly installed on one end of the fixing rod 34, and the other end of the spring 2 32 is fixedly installed on the side wall of the connecting rod 3. A sliding shaft 35 is fixedly installed on the fixing rod 34, and the fixing rod 34 and the fixing sleeve 31 are slidably adapted. Both ends of the sliding shaft 35 are slidably inserted in the handle of the control valve 36, and the control valve 36 is connected to an air pipe 38, which is used to control whether the air pipe 38 is ventilated by pulling the handle of the control valve 36. A gas cylinder 37 is fixedly installed on the side wall of the fish inlet 15, and the gas cylinder 37 is connected to a water storage bottle 39 through the air pipe 38. The side wall of the water storage bottle 39 is movably installed in the float 17, and carbon dioxide gas is contained in the gas cylinder 37, and clarified lime water is contained in the water storage bottle 39.

[0059] When in use, when the soft-bodied fish first touches the right gear lever 22, the sliding rod 25 moves to the side where the left gear lever 213 is located, and the sliding rod 25 drives the connecting rod 3 to move, and the connecting rod 3 drives the fixing sleeve 31 to move, and the fixing sleeve 31 drives the fixing rod 34 to move through the guide column 33, and the fixing rod 34 drives the sliding shaft 35 to move, so that the sliding shaft 35 pushes the control valve 36 to move, thereby opening the control valve 36. At this time, the carbon dioxide gas in the gas storage bottle 37 will be transported to the water storage bottle 39 through the air pipe 38, and react with the clear lime water in the water storage bottle 39 to make the lime water turbid. After the soft-bodied fish completely enters the trap, the sliding rod 25 is reset to drive the control valve 36 to close, and the carbon dioxide gas is stopped from being transported to the water storage bottle 39.

[0060] When the soft-bodied fish touches the left gear lever 213 first, the side wall of the left gear lever 213 is magnetically connected to one end of the sliding rod 25. At this time, the left gear lever 213 will drive the sliding rod 25 to move synchronously, so that the sliding rod 25 can also drive the connecting rod 3 to move, so that the connecting rod 3 drives the control valve 36 to open, and transports carbon dioxide gas into the water storage bottle 39 to make the lime water turbid.

[0061] Embodiment 4, the technical solution of this embodiment is different from that of Embodiment 3 in that: a mixing component for increasing observability is also provided at the float 17, and the mixing component includes: a positioning block 4, an upper slider 41, a lower slider 42, a rotating shaft 43, a mounting plate 44, a right float 45, and a left float 46, and the number of the positioning blocks 4, the upper slider 41, the lower slider 42, the rotating shaft 43, and the mounting plate 44 are all two groups, and the two groups of positioning blocks 4, the upper slider 41, the lower slider 42, the rotating shaft 43, and the mounting plate 44 are symmetrically distributed on both sides of the float 17, and the two groups of positioning blocks 4, the upper slider 41, the lower slider 42, the rotating shaft 43, and the mounting plate 44 are respectively correspondingly installed at the right float 45 and the left float 46;

[0062] One end of the two mounting plates 44 is fixedly installed in the float 17, and a rotating shaft 43 is movably provided in the two mounting plates 44 through a bearing, and one end of the two rotating shafts 43 is respectively fixedly installed with a right floating plate 45 or a left floating plate 46, and the other end of the two rotating shafts 43 is fixedly installed with a lower slider 42, and the tops of the two lower sliders 42 are tilted, and the inclined outer walls of the two lower sliders 42 are slidably abutted against an upper slider 41, and the bottoms of the two upper sliders 41 are tilted, and one end of the two upper sliders 41 is detachably installed on the water storage bottle 39 through a positioning block 4, such as tying the positioning block 4 to the water storage bottle 39 by a wire.

[0063] When in use, the buoy 17 provides a supporting force to the mounting plate 44, and the mounting plate 44 provides a supporting force to the rotating shaft 43. The rotating shaft 43 provides a supporting force to the right floating plate 45 and the left floating plate 46 respectively, so that when the right floating plate 45, the left floating plate 46 and the buoy 17 float on the sea, the right floating plate 45 and the left floating plate 46 can be turned over with the corresponding rotating shaft 43 as the axis as the waves fluctuate, and the rotating shaft 43 on this side is driven to rotate by the right floating plate 45, and the rotating shaft 43 drives the lower sliding block 42 on this side to rotate with the rotating shaft 43 as the axis, and the lower sliding block 42 squeezes the upper sliding block 41 on this side to rotate with the water storage bottle 39 as the axis, so that the water storage bottle 39 can drive the lime water inside to rotate. When there is carbon dioxide gas in the water storage bottle 39, it can fully react with the lime water to make the lime water turbid. The principle is the same at the left floating plate 46, and because the waves are wavy, the left floating plate 46 is turned over from Fig.11 When the position shown rotates counterclockwise, it means that the left floating plate 46 is below the wave, and the right floating plate 45 is at the top of the wave. Fig.11 Position shown rotated clockwise.

[0064] The embodiment of the present invention also provides a method for using a trap for catching soft-bodied fish, comprising the following steps:

[0065] S1, assembling the frame 1, the surface net 11, the side support 12, the side net 13, the bait box 14 and the fish inlet 15 into a trap, and connecting a floating ball 17 to the top of the trap through a traction rope 16;

[0066] S2, putting bait in the bait box 14, and throwing the trap into the ocean;

[0067] S3. The control component and the release component cooperate with each other to make the trap that has caught soft-bodied fish easier to identify, and the capacity of the gas cylinder in the release component is between 300-600ml;

[0068] S4. After a period of time, the boat goes to the deployment area again, salvages the trap that has caught the mollusk, takes out the prey, and then puts it back into the sea after maintaining the release component;

[0069] S5. Return to the port with the trapped prey.

[0070] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0071] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0072] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A trap for catching soft-bodied fish, comprising a frame (1), a side support (12) fixed to the frame (1), a surface net wound around the frame (1), a side net (13) wound around the side support (12) and the frame (1), a bait box (14) detachably mounted in the frame (1), a fish inlet (15) detachably mounted on the frame (1), a traction rope (16) fixed to the top of the frame (1), and a floating ball (17) fixed to one end of the traction rope (16) for marking a position, characterized in that: The fish inlet (15) is provided with a control component for adjusting the passable area of ​​the fish inlet (15) and a release component for increasing observability, wherein the control component comprises: A fixed block (2) fixed on the side wall of the fish inlet (15) for providing support for the control component, wherein a support shaft (21) is movably provided in the fixed block (2); A gas storage bottle (37) is fixed on the side wall of the fish inlet (15), and the gas storage bottle (37) is connected to a water storage bottle (39) through an air pipe (38); A right gear lever (22) is fixedly mounted on the support shaft (21) and is used to adjust the passable area of ​​the fish inlet (15). A fixed shaft (23) is fixedly mounted on the top of the right gear lever (22). A push rod (24) is fixedly mounted on the top of the fixed shaft (23). The floating ball (17) is also provided with a mixing assembly for increasing observability, the mixing assembly comprising a mounting plate (44) fixed in the floating ball (17), a rotating shaft (43) movably penetrated in the mounting plate (44), and a right floating plate (45) or a left floating plate (46) is fixed to one end of the rotating shaft (43); A lower slider (42) is fixed to the other end of the rotating shaft (43), the top of the lower slider (42) is arranged tilted, an upper slider (41) is slidably abutted on the tilted outer wall of the lower slider (42), the bottom of the upper slider (41) is arranged tilted, and one end of the upper slider (41) can be detachably mounted on the water storage bottle (39) via a positioning block (4).

2. A trap for catching soft-bodied fish according to claim 1, characterized in that: A sliding rod (25) is abutted against the side wall of the push rod (24), a guide rod (26) is slidably penetrated in the sliding rod (25), one end of the guide rod (26) is fixed to the top of the fish inlet (15), a spring (27) is fixed on the side wall of the guide rod (26), and the other end of the spring (27) is fixed in the sliding rod (25).

3. A trap for catching soft-bodied fish according to claim 2, characterized in that: One end of the sliding rod (25) is in contact with an arc rod (28), a positioning shaft (29) is fixedly penetrated in the arc rod (28), and one end of the positioning shaft (29) is movably mounted on the top of the fish inlet (15).

4. A trap for catching soft-bodied fish according to claim 3, characterized in that: An arc-shaped groove is provided at the top of the arc-shaped rod (28), a limit rod (210) is slidably connected in the arc-shaped groove, a fixing plate (211) is fixed at the top of the limit rod (210), a connecting shaft (212) is fixed at one end of the fixing plate (211), a left gear rod (213) is fixed at the bottom of the connecting shaft (212), and the left gear rod (213) is located on the other side of the fish inlet (15) relative to the right gear rod (22).

5. The trap for catching soft-bodied fish according to claim 1, characterized in that: The release assembly comprises a connecting rod (3) fixed on the top of the sliding rod (25), a fixing sleeve (31) is fixed on one side of the connecting rod (3), a guide column (33) is slidably inserted into the fixing sleeve (31), a fixing rod (34) is fixedly inserted on the guide column (33), a spring 2 (32) is fixed on one end of the fixing rod (34), the other end of the spring 2 (32) is fixed on the side wall of the connecting rod (3), a sliding shaft (35) is fixedly inserted on the fixing rod (34), a control valve (36) is slidably inserted outside the sliding shaft (35), and an air pipe (38) is connected to the control valve (36).

6. A trap for catching soft-bodied fish according to claim 5, characterized in that: The water storage bottle (39) is movably installed in the floating ball (17), the gas storage bottle (37) is filled with carbon dioxide gas, and the water storage bottle (39) is filled with clarified lime water.

7. A method for using a trap for catching soft-bodied fish according to any one of claims 1 to 6, characterized in that: The following steps are involved: S1, assembling a frame (1), a surface net (11), side pillars (12), a side net (13), a bait box (14) and a fish inlet (15) into a trap, and connecting a floating ball (17) to the top of the trap via a traction rope (16); S2, putting bait in the bait box (14), and throwing the trap into the ocean; S3. The control component and the release component cooperate with each other to make the trap that has caught the soft-bodied fish easier to identify; S4. After a period of time, the boat goes to the deployment area again, salvages the trap that has caught the mollusk, takes out the prey, and then puts it back into the sea after maintaining the release component; S5. Return to the port with the trapped prey.

8. The method for using a trap for catching soft-bodied fish according to claim 7, characterized in that: The capacity of the gas storage bottle in the release assembly is between 300-600 ml.

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