Fishing device for aquaculture

Abstract

The utility model relates to the technical field of aquaculture fishing, and discloses an aquaculture fishing device which comprises a holding rod, one end of the holding rod is fixedly connected with a first annular plate, the bottom of the first annular plate is detachably connected with a second annular plate, and a net bag is fixedly installed at the bottom of the second annular plate. Fixing cylinders are fixedly installed on the outer side walls of the first annular plates, telescopic rods are slidably connected to one ends of the fixing cylinders in a penetrating mode, through a second connecting plate, a first limiting rod, a second limiting rod, a spring, the telescopic rods and an arc-shaped plate, the second connecting plate is pulled and rotated, the second connecting plate is separated from the first limiting rod, the second connecting plate is connected with the second limiting rod in a clamped mode, and the second limiting rod is clamped to the second limiting rod; the telescopic rod is driven to slide through the fixing barrel under the elastic action of the spring, the two arc-shaped plates draw close to the middle, the opening of the net bag is tightened, fishes and shrimps are prevented from jumping out of the opening of the net bag, and therefore the problems that in the prior art, a small and medium-sized hydraulic cylinder makes contact with aquaculture water frequently, the service life is shortened, and the manufacturing cost is high are effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of aquaculture fishing, in particular to a fishing device for aquaculture. Background Art

[0002] Aquaculture is the use of waters available for breeding (including planting) by humans. According to the ecological habits of the breeding objects and the requirements for the water environment conditions, aquaculture techniques and facilities are used to engage in the breeding of aquatic economic animals and plants. In the process of aquaculture, fishing devices are needed to check the conditions of aquatic animals.

[0003] A search of Chinese announcement number CN219593434U discloses a fishing device for aquaculture, comprising a mounting frame, a mounting block is slidably provided inside the mounting frame, a net bag is fixedly provided on the lower end face of the mounting block, mounting holes are opened on the outer wall of the mounting frame and on both sides, fixing holes are correspondingly provided on the outer wall of the mounting block, fixing screws are provided inside the mounting holes and the fixing holes, vertical plates are fixedly provided on the lower end face of the mounting frame and on both sides, and small hydraulic cylinders are fixedly provided on the outer walls of the vertical plates. When the user needs to change the type of the net bag, the fixing screws can be loosened by using the square block to disengage one end of the fixing screw from the fixing hole. At this time, the mounting block and the net bag can be pulled out from the upper end of the mounting frame for easy replacement.

[0004] However, in the implementation of relevant technologies, it was found that the above-mentioned fishing device for aquaculture has the following problems: in the prior art, a small hydraulic cylinder is used to move the moving block to tighten the net bag to prevent fish and shrimp from jumping out. The above-mentioned structure has high manufacturing costs, and the small hydraulic cylinder is often in contact with the aquaculture water, which will reduce the service life. Based on this, the utility model designs a fishing device for aquaculture to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a fishing device for aquaculture, so as to solve the problem in the above background technology that the service life of a small hydraulic cylinder is reduced due to frequent contact with aquaculture water.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fishing device for aquaculture, comprising a grip rod, one end of which is fixedly connected to a ring plate 1, the bottom of which is detachably connected to a ring plate 2, and a net bag is fixedly installed on the bottom of the ring plate 2;

[0007] The outer side wall of the ring plate 1 is fixedly mounted with a fixing cylinder, one end of the fixing cylinder passes through a telescopic rod that is slidably connected, one end of the telescopic rod is fixedly connected with an arc plate, the other end of the telescopic rod is fixedly connected with a spring, one end of the spring is fixedly connected to the fixing cylinder, a sliding rod is fixedly mounted on the outer side wall of the grip rod, a limiting assembly is arranged on the outer side wall of the sliding rod, one end of the limiting assembly passes through the fixing cylinder and is fixedly connected to the telescopic rod;

[0008] One side of the limit assembly is rotatably connected with a connecting plate 2, one side of the connecting plate 2 is penetrated with a circular groove, and the outer side of the slide rod is respectively fixedly installed with a limit rod 1 and a limit rod 2, and the limit rod 1 and the limit rod 2 are respectively clamped between the circular groove.

[0009] As a preferred solution, the limiting assembly includes a connecting plate 1 and a traction rope, the connecting plate 1 is slidably connected to the sliding rod, the traction rope is located on one side of the connecting plate 1, one end of the traction rope passes through the fixed tube and is fixedly connected to the telescopic rod, and the connecting plate 2 is rotatably connected to the connecting plate 1.

[0010] As a preferred solution, one end of the fixed cylinder is rotatably connected to a pulley 1, and the bottom of the slide rod is rotatably connected to a pulley 2, and the pulley 1 and the pulley 2 are respectively in contact with the outer side wall of the traction rope.

[0011] As a preferred solution, the outer side walls of the second ring plate are provided with thread grooves.

[0012] As a preferred solution, a threaded rod is installed through a thread on one side of the ring plate, and the threaded rod is threadedly connected to the thread groove.

[0013] As a preferred solution, the outer side walls of the ring plate 1 are provided with strip grooves.

[0014] As a preferred solution, a strip plate is fixedly mounted on the inner side wall of the second ring plate, and the strip plate is plugged into the strip groove.

[0015] Technical effects and advantages of the utility model:

[0016] 1. By setting the connecting plate 2, the limit rod 1, the limit rod 2, the spring, the telescopic rod and the arc plate, the connecting plate 2 is pulled and rotated, the connecting plate 2 is separated from the limit rod 1, the connecting plate 2 is clamped with the limit rod 2, and the telescopic rod is driven to slide through the fixed tube under the elastic force of the spring. The two arc plates are respectively moved toward the middle to tighten the opening of the net bag to prevent fish and shrimp from jumping out of the opening of the net bag, thereby effectively solving the problem of the reduced service life and high manufacturing cost of small and medium-sized hydraulic cylinders in the prior art due to frequent contact with aquaculture water.

[0017] 2. By setting the threaded rod and the threaded groove, the threaded rod and the threaded groove are rotated to separate, and the ring plate 2 is separated from the ring plate 1, so that the net bag can be disassembled and replaced easily. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the net bag of the utility model.

[0020] Figure 3 It is a schematic diagram of a three-dimensional structure of a ring plate of the utility model.

[0021] Figure 4 It is a cross-sectional view of the three-dimensional structure of the fixing cylinder of the utility model.

[0022] Figure 5 For this utility model Figure 1 Schematic diagram of the enlarged structure at A in the middle.

[0023] In the figure: 1. grip rod; 2. ring plate 1; 3. ring plate 2; 4. net bag; 5. fixed tube; 6. telescopic rod; 7. arc plate; 8. spring; 9. slide rod; 10. limit assembly; 101. connecting plate 1; 102. traction rope; 11. connecting plate 2; 12. circular groove; 13. limit rod 1; 14. limit rod 2; 15. pulley 1; 16. pulley 2; 17. threaded groove; 18. strip plate; 19. strip groove; 20. threaded rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model provides Figure 1-5The fishing device for aquaculture shown in the figure comprises a gripping rod 1, one end of the gripping rod 1 is fixedly connected with a ring plate 2, the bottom of the ring plate 2 is detachably connected with a ring plate 2, a net bag 4 is fixedly installed at the bottom of the ring plate 23, fish and shrimps are caught by holding the gripping rod 1 and using the net bag 4, a fixed cylinder 5 is fixedly installed on the outer wall of the ring plate 2, one end of the fixed cylinder 5 is slidably connected with a telescopic rod 6, one end of the telescopic rod 6 is fixedly connected with an arc plate 7, the other end of the telescopic rod 6 is fixedly connected with a spring 8, one end of the spring 8 is fixedly connected to the fixed cylinder 5, a sliding rod 9 is fixedly installed on the outer wall of the gripping rod 1, a limiting component 10 is arranged on the outer wall of the sliding rod 9, one end of the limiting component 10 is fixedly connected between the fixed cylinder 5 and the telescopic rod 6, one side of the limiting component 10 is rotatably connected with a connecting plate 2 11, the limiting component 10 comprises a connecting plate 101 and a traction rope 102, the connecting plate 1 101 is slidably connected with the slide bar 9, and the traction rope 102 is located on one side of the connecting plate 101. One end of the traction rope 102 passes through the fixed tube 5 and is fixedly connected with the telescopic rod 6. The connecting plate 2 11 is rotatably connected with the connecting plate 101. A circular groove 12 is penetrated on one side of the connecting plate 2 11. A limit rod 13 and a limit rod 2 14 are fixedly installed on the outer side of the slide bar 9. The limit rod 13 and the limit rod 2 14 are respectively engaged with the circular groove 12. After the fish and shrimp are caught in the net bag 4, the connecting plate 2 11 is pulled and rotated, and the connecting plate 2 11 is separated from the limit rod 13, and then the connecting plate 2 11 is engaged with the limit rod 2 14. Under the action of the spring 8, the connecting plate 101 is released from the limit and slides through the slide bar 9. The spring 8 drives the telescopic rod 6 to slide through the fixed tube 5, and the two arc plates 7 are respectively close to the middle, so that the open part of the net bag 4 is tightened to prevent fish and shrimp from jumping out.

[0026] In this embodiment, one end of the fixed cylinder 5 is rotatably connected to a pulley 15, and the bottom of the slide rod 9 is rotatably connected to a pulley 2 16. Pulley 15 and pulley 2 16 are respectively in contact with the outer side walls of the traction rope 102. When the traction rope 102 moves, it moves through pulley 15 and pulley 2 16 to reduce the friction of the traction rope 102.

[0027] In this embodiment, the outer side wall of the ring plate 2 3 is provided with a threaded groove 17, and a threaded rod 20 is installed on one side of the ring plate 2 through a thread. The threaded rod 20 is threadedly connected to the threaded groove 17. The threaded rod 20 is rotated to separate the threaded groove 17, so that the ring plate 2 3 can be removed and the net bag 4 can be replaced.

[0028] In this embodiment, the outer side walls of the ring plate 1 2 are provided with strip grooves 19, and the inner side walls of the ring plate 2 3 are fixedly installed with strip plates 18, which are plugged into the strip grooves 19. The strip plates 18 are inserted into the strip grooves 19 to limit the position between the ring plates 1 2 and 3, so as to facilitate installation between them.

[0029] Working principle of the utility model: the utility model is a fishing device for aquaculture. First, when using it, hold the handle 1 to catch fish and shrimp through the net bag 4. After the fish and shrimp are caught in the net bag 4, pull and rotate the connecting plate 2 11, the connecting plate 2 11 is separated from the limiting rod 1 13, and the circular groove 12 on the connecting plate 2 11 is clamped with the limiting rod 2 14. Under the elastic force of the spring 8, the connecting plate 1 101 is released from the limit and slides through the slide rod 9. The traction rope 102 rotates along the pulley 15 and the pulley 2 16. The spring 8 drives the telescopic rod 6 to slide through the fixed tube 5, and the two arc plates 7 are respectively moved closer to the middle to tighten the open part of the net bag 4 to prevent fish and shrimp from jumping out of the open part of the net bag 4.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fishing device for aquaculture, comprising a gripping rod (1), characterized in that: One end of the grip rod (1) is fixedly connected to a ring plate 1 (2), the bottom of the ring plate 1 (2) is detachably connected to a ring plate 2 (3), and the bottom of the ring plate 2 (3) is fixedly mounted with a net bag (4); The outer side wall of the ring plate (2) is fixedly mounted with a fixed cylinder (5), one end of the fixed cylinder (5) is slidably connected with a telescopic rod (6), one end of the telescopic rod (6) is fixedly connected with an arc plate (7), the other end of the telescopic rod (6) is fixedly connected with a spring (8), one end of the spring (8) is fixedly connected to the fixed cylinder (5), the outer side wall of the gripping rod (1) is fixedly mounted with a sliding rod (9), the outer side wall of the sliding rod (9) is provided with a limiting assembly (10), one end of the limiting assembly (10) is passed through the fixed cylinder (5) and is fixedly connected with the telescopic rod (6); One side of the limit assembly (10) is rotatably connected to a second connecting plate (11), one side of the second connecting plate (11) is penetrated by a circular groove (12), and the outer side of the slide rod (9) is respectively fixedly mounted with a first limit rod (13) and a second limit rod (14), and the first limit rod (13) and the second limit rod (14) are respectively engaged with the circular groove (12).

2. A fishing device for aquaculture according to claim 1, characterized in that: The limiting assembly (10) comprises a connecting plate 1 (101) and a traction rope (102); the connecting plate 1 (101) is slidably connected to the sliding rod (9); the traction rope (102) is located on one side of the connecting plate 1 (101); one end of the traction rope (102) passes through the fixing tube (5) and is fixedly connected to the telescopic rod (6); and the connecting plate 2 (11) is rotatably connected to the connecting plate 1 (101).

3. A fishing device for aquaculture according to claim 2, characterized in that: One end of the fixed cylinder (5) is rotatably connected to a pulley 1 (15), and the bottom of the sliding rod (9) is rotatably connected to a pulley 2 (16), and the pulley 1 (15) and the pulley 2 (16) are respectively in contact with the outer side wall of the traction rope (102).

4. The fishing device for aquaculture according to claim 1, characterized in that: The outer side walls of the second ring plate (3) are each provided with a thread groove (17).

5. A fishing device for aquaculture according to claim 4, characterized in that: A threaded rod (20) is installed on one side of the ring plate (2) through a thread, and the threaded rod (20) is threadedly connected to the threaded groove (17).

6. The fishing device for aquaculture according to claim 1, characterized in that: The outer side walls of the ring plate 1 (2) are provided with strip grooves (19).

7. A fishing device for aquaculture according to claim 6, characterized in that: The inner side walls of the second ring plate (3) are fixedly mounted with strip plates (18), and the strip plates (18) are plugged into the strip grooves (19).

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