Paddy field shrimp catching device
By designing a rice paddy shrimp catching device with a threaded column and hook structure, the problem of inconvenient bait replacement was solved, enabling convenient replacement and shrimp collection, and improving catching efficiency.
Patent Information
- Application Number
- CN202520212104.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-11
AI Technical Summary
In existing rice paddy shrimp fishing devices, the bait is inconvenient to change, which affects the fishing efficiency.
Design a shrimp-catching device for rice paddies. The device uses a threaded column and hook structure to facilitate the replacement of bait. Combined with the use of a funnel-shaped inlet tube and a fixing belt, it ensures that the shrimp do not escape and that the shrimp can be easily collected after being caught.
This facilitates bait replacement, improves fishing efficiency, and ensures convenient shrimp collection.
Smart Images

Figure CN223873073U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of rice field shrimp fishing, especially relates to a rice field shrimp fishing device. BACKGROUND
[0002] Rice field shrimp fishing is an ecological agricultural mode combining rice planting and aquaculture, usually breeding freshwater shrimps (such as Procambarus clarkii or small crayfish) in rice fields, which can not only improve the economic benefits of farmland, but also improve the ecological environment.
[0003] During the fishing of rice field shrimps, the ground cage is usually placed in the rice field, and some lures are also tied in the ground cage to attract rice field shrimps into the ground cage. However, the smell of the lures will weaken due to long-time soaking in water, so the lures need to be replaced, and the tying method has the defect of inconvenience in replacement. Therefore, we propose a rice field shrimp fishing device that can conveniently replace lures to solve the problems existing in the prior art. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims to provide a rice field shrimp fishing device with the purpose of conveniently replacing lures to solve the above-mentioned background technical problems.
[0005] The technical scheme for solving the above-mentioned technical problems is as follows: a rice field shrimp fishing device, comprising a ground cage, the number of the ground cages is multiple, multiple ground cages are integrally sewn and communicated through a connecting cylinder, the front and back of the ground cage are integrally sewn and communicated with an entering cylinder, the bottom of the ground cage is provided with a discharging cylinder, the top of the ground cage is fixedly connected with a cylinder body in an embedded mode, the inner surface of the cylinder body is threadedly connected with a threaded column, the bottom of the threaded column is fixedly connected with a connecting threaded cylinder, the inner surface of the connecting threaded cylinder is threadedly provided with an adjustable hook, the hook penetrates through the cylinder body and extends into the interior of the ground cage, and the top of the threaded column is fixedly connected with a rotating disc.
[0006] Preferably, the bottom of the ground cage and the discharging cylinder are integrally sewn, and a fixing belt is wound around the edge of the bottom of the discharging cylinder.
[0007] Preferably, the outermost two ground cages are wound with a connecting rope, and the connecting rope is fixedly connected with an external fixing pin.
[0008] Preferably, the threaded part of the hook is threadedly connected with the inner surface of the connecting threaded cylinder, the connecting threaded cylinder is arranged in an annular mode on the end face of the bottom of the threaded column, and the spacing between the connecting threaded cylinders is greater than the radius of the threaded rotation of the hook.
[0009] Preferably, the inner diameter of the entering cylinder decreases from outside to inside, and the entering cylinder is funnel-shaped.
[0010] Preferably, the ground cage is designed as a filter screen.
[0011] The utility model discloses the beneficial effect is:
[0012] 1, the utility model discloses when needing to replace the decoy, only need to rotate the disc of the top of threaded column, make threaded column thread rotation in the inner surface of cylinder, make threaded column and cylinder between separate, simultaneously make the hook thread rotation in the inner surface of connecting threaded cylinder, adjust the depth of hooking into the depth of the cage, then the decoy needed is hung and connected on the outer surface of hook, thereby replaced the mode of binding, thereby convenient replacement decoy, realize the purpose of decoy replacement operation convenient,
[0013] 2, the utility model discloses the edge of the bottom of discharging cylinder is around the fixed band, can open the fixed band after fishing, and collect paddy field shrimps;
[0014] 3, the utility model discloses the spacing between connecting threaded cylinder is greater than the radius of hook thread rotation, avoids the situation of hindering when hooking rotates, realizes the thread rotation of hooking in the inner surface of connecting threaded cylinder, thereby adjusts the height of hooking;
[0015] 4, the utility model discloses the inner diameter of entering cylinder is from outside to inside reducing design and is funnel-shaped, makes paddy field shrimps enter the cage, avoids shrimps escaping the cage. BRIEF DESCRIPTION OF DRAWINGS
[0016] Among them:
[0017] Figure 1 It is the schematic diagram of the structure of the utility model;
[0018] Figure 2 It is the local enlarged view of point A of the utility model;
[0019] Figure 3 It is the split schematic diagram between hooking and connecting threaded cylinder of the utility model;
[0020] Figure 4 It is the front view schematic diagram of the structure of the utility model.
[0021] In the drawings, the component list represented by each sign is as follows:
[0022] 1, cage, 2, entering cylinder, 3, discharging cylinder, 4, connecting cylinder, 5, cylinder, 6, threaded column, 7, connecting threaded cylinder, 8, hook, 9, disc, 10, fixed band. DETAILED DESCRIPTION
[0023] In the following, the embodiment of paddy field shrimps fishing device of the utility model will be described with reference to the drawings.
[0024] Example one:
[0025] Figures 1-4 The rice field shrimp catching device of the embodiment of the utility model, including ground cage 1, ground cage 1 is the filter screen design, the quantity of ground cage 1 is multiple, multiple ground cage 1 is communicated through the integrated sewing of connecting cylinder 4, the front and back of ground cage 1 are communicated with the integrated sewing of entering cylinder 2, the inner diameter of entering cylinder 2 is reduced from outside to inside design, entering cylinder 2 is funnel-shaped, by setting the inner diameter of entering cylinder 2 is reduced from outside to inside design and is funnel-shaped, after the rice field shrimp enters ground cage 1, avoid shrimp to escape from ground cage 1, the bottom of ground cage 1 is provided with discharge cylinder 3, the top of ground cage 1 is embeddedly fixedly connected with cylinder body 5, the inner surface of cylinder body 5 is threadedly connected with threaded column 6, the bottom of threaded column 6 is fixedly connected with connecting threaded cylinder 7, the inner surface of connecting threaded cylinder 7 is threadedly provided with adjustable hook 8, the threaded portion of hook 8 is threadedly connected with the inner surface of connecting threaded cylinder 7, connecting threaded cylinder 7 is annularly arranged on the end face of the bottom of threaded column 6, the spacing between connecting threaded cylinder 7 is greater than the radius of threaded rotation of hook 8, by the spacing between connecting threaded cylinder 7, avoid the situation of hindering when hook 8 rotates, realize the threaded rotation of hook 8 on the inner surface of connecting threaded cylinder 7, thereby the height of hook 8 is adjusted, hook 8 penetrates cylinder body 5 and extends to the inside of ground cage 1, the top of threaded column 6 is fixedly connected with rotating disc 9, when needing to replace bait, only need to rotate the rotating disc 9 of the top of threaded column 6, make threaded column 6 threadedly rotate on the inner surface of cylinder body 5, make threaded column 6 and cylinder body 5 separate, simultaneously make hook 8 threadedly rotate on the inner surface of connecting threaded cylinder 7, adjust the depth of hook 8 to go in ground cage 1, then the bait needed is hung on the outer surface of hook 8, thereby the mode of binding is replaced, thereby the bait is conveniently replaced, realize the convenient purpose of bait replacement operation.
[0026] Embodiment two:
[0027] Figures 1-4 The rice field shrimp catching device of the embodiment of the utility model, including ground cage 1, the most outside two ground cage 1 are tied with connecting rope, and connecting rope is fixedly connected with external fixed pin, the quantity of ground cage 1 is multiple, multiple ground cage 1 is communicated through the integrated sewing of connecting cylinder 4, the front and back of ground cage 1 are communicated with the integrated sewing of entering cylinder 2, the bottom of ground cage 1 is provided with discharge cylinder 3, the bottom of ground cage 1 and discharge cylinder 3 are integrally sewn, the edge of the bottom of discharge cylinder 3 is tied with fixed band 10, by setting the edge of the bottom of discharge cylinder 3 is tied with fixed band 10, can open fixed band 10 after fishing ends, collect rice field shrimp, the top of ground cage 1 is embeddedly fixedly connected with cylinder body 5, the inner surface of cylinder body 5 is threadedly connected with threaded column 6, the bottom of threaded column 6 is fixedly connected with connecting threaded cylinder 7, the inner surface of connecting threaded cylinder 7 is threadedly provided with adjustable hook 8, hook 8 penetrates cylinder body 5 and extends to the inside of ground cage 1, the top of threaded column 6 is fixedly connected with rotating disc 9.
[0028] Working principle: the utility model uses, the fisherman places the ground cage 1 in the rice field, is fixedly connected between the connecting rope and the fixed pin, and is inserted into the field through the fixed pin, the shrimps are attracted under the bait, enter the ground cage 1 from entering the cylinder 2, when needing to replace the bait, only need to rotate the turntable 9 of the top of threaded column 6, so that threaded column 6 is screwing in the inner surface of cylinder body 5, so that threaded column 6 is separated from cylinder body 5, simultaneously make the hook 8 screwing in the inner surface of connecting threaded cylinder 7, adjust the depth of hook 8 in-depth ground cage 1, then the bait needed is hung and connected on the outer surface of hook 8, to replace the binding mode, to replace the bait conveniently, realize the bait replacement operation convenient purpose.
Claims
1. A rice field shrimp catching device comprising a number of ground cages (1), characterized in that, Multiple ground cages (1) are integrally sewn and communicated through connecting barrels (4), the front and back of the ground cage (1) are integrally sewn and communicated with entering barrels (2), the bottom of the ground cage (1) is provided with discharging barrels (3), the top of the ground cage (1) is embeddedly and fixedly connected with a barrel (5), the inner surface of the barrel (5) is threadedly connected with a threaded column (6), the bottom of the threaded column (6) is fixedly connected with a connecting threaded barrel (7), the inner surface of the connecting threaded barrel (7) is threadedly provided with adjustable hooks (8), the hooks (8) penetrate through the barrel (5) and extend to the inside of the ground cage (1), and the top of the threaded column (6) is fixedly connected with a rotating disc (9).
2. The rice field shrimp catching device according to claim 1, wherein The bottom of the ground cage (1) is integrally sewn with the discharging barrel (3), and the edge of the bottom of the discharging barrel (3) is tied with a fixing belt (10).
3. The paddy field shrimp catching apparatus according to claim 1, wherein The outermost two ground cages (1) are tied with connecting ropes, and the connecting ropes are fixedly connected with external fixing pins.
4. The paddy field shrimp catching apparatus according to claim 1, wherein The threads of the hooks (8) are threadedly connected with the inner surface of the connecting threaded barrel (7), the connecting threaded barrel (7) is arranged in an annular shape on the end face of the bottom of the threaded column (6), and the spacing between the connecting threaded barrels (7) is greater than the radius of the thread rotation of the hooks (8).
5. The paddy field shrimp catching apparatus according to claim 1, wherein The inner diameter of the entering barrel (2) is designed to decrease from outside to inside, and the entering barrel (2) is funnel-shaped.
6. The paddy field shrimp catching apparatus according to claim 1, wherein The ground cage (1) is designed as a filter screen.