Portable juvenile fish sampling device

Abstract

The utility model discloses a portable juvenile fish sampling device which comprises a cage body, the cage body comprises two supporting frame strips arranged up and down and a plurality of folding rods distributed between the two supporting frame strips in the circumferential direction, and the periphery of the cage body is wrapped with grids connected with the two supporting frame strips and the folding rods respectively. A cage cavity used for trapping is formed between the folding rods and the two supporting frame strips. All the folding rods are folded towards the interior of the cage cavity, so that the distance between the two supporting frame strips is shortened, even the cage body is changed into a sheet-shaped structure, the size of the cage body is greatly reduced, and carrying and storage are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of fish catching, in particular to a portable young fish sampling device. Background Art

[0002] At present, when people catch fish in aquaculture water, especially when catching young fish for sampling and observing their growth status, they generally use casting nets, lifting nets or net bags to catch them. The common practice is to put some baits that fish like in the net bag, put it into the water, wait for a while, and then lift the net bag. However, the existing net bags are large in size and cannot be folded, occupying a large space, and are inconvenient to carry and store. Utility Model Content

[0003] The utility model aims to provide a portable juvenile fish sampling device which is easy to carry and store, so as to solve the problem that the net bag proposed in the above background technology is large in size and cannot be folded, occupies a large space and is inconvenient to carry and store.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A portable juvenile fish sampling device comprises a cage body, wherein the cage body comprises two supporting frame bars arranged up and down and a plurality of folding rods distributed circumferentially between the two supporting frame bars, the outer periphery of the cage body is covered with a grid connected to the two supporting frame bars and the folding rods respectively, and a cage cavity for trapping is formed between the plurality of folding rods and the two supporting frame bars.

[0006] Preferably, the folding rod includes an upper folding section, a lower folding section and a hinge, one end of the upper folding section is connected to the upper support frame bar, and the other end is connected to one end of the lower folding section through a hinge, and the end of the lower folding section opposite to the hinge is connected to the lower support frame bar.

[0007] Preferably, the grid is provided with a trapping net opening which is concave relative to the grid.

[0008] Preferably, the trapping net mouth is a trumpet-shaped structure with a large opening at the outer end and a small opening at the inner end.

[0009] Preferably, the cage body comprises support frames respectively connected to the inner periphery of the support frame bars, and the support frames are connected to the leaky food box suspended in the cage cavity.

[0010] Preferably, the leaky food box has a hollow inner cavity, and the surface of the leaky food box is a porous structure.

[0011] Preferably, the leaky food box comprises an upper shell and a lower shell, the inner circumferential surface of the upper shell port is provided with an internal thread, and the outer circumferential surface of the lower shell port opposite thereto is provided with an external thread adapted to the internal thread.

[0012] Preferably, it comprises a lifting cage structure, the lifting cage structure comprises a telescopic rod and a sling, one end of the sling is connected to the telescopic rod, and the other end is connected downwardly to the supporting frame.

[0013] Preferably, the cage structure includes a floating block connected to one end of the lifting rope, and one end of the telescopic rod is connected to the floating block.

[0014] Preferably, the floating block is provided with a lifting ring, and one end of the telescopic rod is hooked on the lifting ring through a U-shaped hook.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. After folding the folding rod, the distance between the two support frames is reduced, and the cage body becomes a sheet structure, and the volume of the cage body is greatly reduced; if there is a need for deep folding, the support frame can be further folded in half or even twice, so that the area of ​​the support frame becomes one quarter of its previous area, which is convenient for carrying and storage;

[0017] 2. The telescopic rod can be extended to the required length to facilitate adjustment of the cage fishing position; the U-shaped hook at the front end of the telescopic rod hooks the ring on the floating block, and then the cage is placed at the position where fishing is required; the cage is soft and foldable, and the folding rod between the two supporting frame bars can remain straight in the water due to gravity, thereby ensuring that the cage is in an open state in the water and has good stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the portable juvenile fish sampling device of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the cage body of the utility model;

[0020] Figure 3 This is a folded state diagram of the cage body of the utility model;

[0021] Figure 4 It is a structural schematic diagram of a leaky food box pair of the present utility model.

[0022] The markings in the figure correspond to the following:

[0023] 1-cage body; 11-support frame bar; 12-folding rod; 121-upper folding section; 122-lower folding section; 123-hinge; 2-cage lifting structure; 21-telescopic rod; 211-U-shaped hook; 22-hanging rope; 23-floating block; 231-hanging ring 4-trapping net mouth; 41-upper shell; 42-lower shell; 5-leaking food box. 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] See also Figure 1-2 A portable juvenile fish sampling device includes a cage body 1, wherein the cage body 1 includes two support frame bars 11 arranged vertically and a plurality of folding rods 12 distributed circumferentially between the two support frame bars 11, wherein the folding rods 12 can be folded in half, and the support frame bars 11 can be passed through the folding rods 12. The outer periphery of the cage body 1 is covered with a grid 13 connected to the two support frame bars 11 and the folding rods 12 respectively, and a cage cavity 14 for trapping is formed between the plurality of folding rods 12 and the two support frame bars 11.

[0026] In this embodiment, the support frame bar 11 is in the shape of a ring; the support frame bar 11 can be folded freely, and the support frame bar 11 is made of elastic deformable material, such as aluminum bar, stainless steel bar, etc.; the material of the grid 13 is nylon, silk cloth, etc., and the mesh diameter of the grid 13 is 2 to 4 mm, which can prevent the fry from escaping while ensuring water permeability.

[0027] See also Figure 3 After the folding rod 12 is folded in half, the distance between the two support frame bars 11 is reduced, and the cage body 1 becomes a sheet-like structure, and the volume of the cage body 1 is greatly reduced; if there is a need for deep folding, the support frame bar 11 can be further folded in half or even twice, so that the area of ​​the support frame bar 11 becomes one-fourth of its previous area, which is convenient for carrying and storage.

[0028] See also Figure 2 The folding rod 12 includes an upper folding segment 121, a lower folding segment 122 and a hinge 123. One end of the upper folding segment 121 is connected to the upper support frame bar 11, and the other end is connected to one end of the lower folding segment 122 through the hinge 123. The end of the lower folding segment 122 opposite to the hinge 123 is connected to the lower support frame bar 11, and the upper folding segment 121 and the lower folding segment 122 are folded in half through the hinge 123.

[0029] See also Figure 3-4 The cage body 1 includes support frames 15 respectively connected to the inner periphery of the support frame bars 11, and the support frames 15 are connected to a leaky food box 4 suspended in the cage cavity 14. The leaky food box 4 has a hollow inner cavity for placing bait; the surface of the leaky food box 4 is a porous structure, which facilitates the bait to leak out and play a role in the water body in the cage cavity 14.

[0030] See also Figure 4The leaky food box 4 includes an upper shell 41 and a lower shell 42. The inner circumferential surface of the upper shell 41 is provided with an internal thread at the port, and the outer circumferential surface of the lower shell 42 opposite to it is provided with an external thread adapted to the internal thread. The upper shell 41 is screwed with the internal thread of the lower shell 42 through the internal thread so as to open or close the leaky food box 4.

[0031] The mesh 13 is provided with a trapping net opening 3 which is concave relative to the mesh 13. The trapping net opening 3 can be provided on the mesh 13 between the adjacent folding rods 12, or on the mesh 13 between the two supporting frame bars 11. In this embodiment, the trapping net opening 3 is a trumpet-shaped structure with a large opening at the outer end and a small opening at the inner end. When the fish are tempted by the bait in the leaky food box 4, they enter the cage cavity 14 from the large opening at the outer end of the trapping net opening 3, but it is difficult for them to escape from the opening at the inner end of the trapping net opening 3.

[0032] See also Figure 1 The portable juvenile fish sampling device includes a cage lifting structure 2, which includes a telescopic rod 21 and a suspension rope 22. One end of the suspension rope 22 is connected to the telescopic rod 21, and the other end is downwardly connected to the support frame 15. The length of the suspension rope 22 can be adjusted according to the fishing depth. The cage lifting structure 2 includes a floating block 23 connected to one end of the suspension rope 22. The floating block 23 has a floating function to ensure that the cage body 1 does not sink; one end of the telescopic rod 21 is connected to the floating block 23.

[0033] In this embodiment, the floating block 23 is provided with a lifting ring 231 , and one end of the telescopic rod 21 is hooked on the lifting ring 231 through a U-shaped hook 211 .

[0034] When trapping fry, first extend the telescopic rod 21 to the required length to facilitate adjustment of the fishing position of the cage body 1; hook the U-shaped hook 211 at the front end of the telescopic rod 21 to the lifting ring 231 on the floating block 23, and then place the cage body 1 at the position where fishing is required; the supporting frame bar 11 is soft and foldable; when trapping, the folding rod 12 between the two supporting frame bars 11 is in the water body, and the folding rod 12 can maintain a straight line due to gravity, thereby ensuring that the cage body 1 is in an open state in the water body with good stability; when storing, it can be folded toward the middle of the cage cavity 14 through the hinge 123, and the volume after folding is greatly reduced, which is convenient for storage and carrying.

[0035] 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 portable juvenile fish sampling device, characterized in that: The cage body (1) comprises two support frames (11) arranged vertically and a plurality of folding rods (12) distributed circumferentially between the two support frames (11); the outer periphery of the cage body (1) is covered with a grid (13) respectively connected to the two support frames (11) and the folding rods (12); a cage cavity (14) for trapping is formed between the plurality of folding rods (12) and the two support frames (11).

2. The portable juvenile fish sampling device according to claim 1, characterized in that: The folding rod (12) comprises an upper folding section (121), a lower folding section (122) and a hinge (123); one end of the upper folding section (121) is connected to the upper support frame bar (11), and the other end is connected to one end of the lower folding section (122) through the hinge (123); the end of the lower folding section (122) opposite to the hinge (123) is connected to the lower support frame bar (11).

3. The portable juvenile fish sampling device according to claim 1 or 2, characterized in that: The grid (13) is provided with a trapping net opening (3) which is concave relative to the grid (13).

4. The portable juvenile fish sampling device according to claim 3, characterized in that: The trapping net mouth (3) is a trumpet-shaped structure with a large opening at the outer end and a small opening at the inner end.

5. The portable juvenile fish sampling device according to claim 1, characterized in that: The cage body (1) comprises support frames (15) respectively connected to the inner periphery of the support frame bars (11), and the support frames (15) are connected to the leaky food box (4) suspended in the cage cavity (14).

6. The portable juvenile fish sampling device according to claim 5, characterized in that: The leaky food box (4) has a hollow inner cavity, and the surface of the leaky food box (4) is a porous structure.

7. The portable juvenile fish sampling device according to claim 6, characterized in that: The leaky food box (4) comprises an upper shell (41) and a lower shell (42); the inner circumferential surface of the port of the upper shell (41) is provided with an internal thread, and the outer circumferential surface of the port of the lower shell (42) opposite thereto is provided with an external thread matching the internal thread.

8. The portable juvenile fish sampling device according to claim 5, characterized in that: It comprises a lifting cage structure (2), wherein the lifting cage structure (2) comprises a telescopic rod (21) and a suspension rope (22), wherein one end of the suspension rope (22) is connected to the telescopic rod (21), and the other end is connected downwardly to a supporting frame (15).

9. The portable juvenile fish sampling device according to claim 8, characterized in that: The cage structure (2) comprises a floating block (23) connected to one end of a lifting rope (22), and one end of the telescopic rod (21) is connected to the floating block (23).

10. The portable juvenile fish sampling device according to claim 9, characterized in that: The floating block (23) is provided with a lifting ring (231), and one end of the telescopic rod (21) is hooked on the lifting ring (231) through a U-shaped hook (211).

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