Crab seed catching device

Abstract

The utility model provides a juvenile crab catching device, and relates to the technical field of juvenile crab catching devices, the juvenile crab catching device comprises a catching net rod, a length adjusting assembly is arranged in the catching net rod, the length adjusting assembly comprises a sliding rod and a fixing block, the sliding rod is inserted in the catching net rod, and the fixing block is arranged on the sliding rod. The two fixing blocks are connected to the outer surface of one side of the fishing net rod. According to the fishing net rod, when the length of the fishing net rod needs to be adjusted, the handle can be grasped and pulled backwards, one end of the inserting rod is pulled out of the inserting hole in the current position, the sliding rod can be adjusted at the moment, and therefore the length of the fishing net rod is adjusted; the inserting rod is inserted into the inserting hole in the current position through the spring to be fixed, so that the length of the fishing net rod is adjusted, and the problem that the length of an existing fishing net rod cannot be adjusted, so that fishing net rods with different lengths need to be used when fishing is carried out in different environments is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of crab seedling catching devices, in particular to a crab seedling catching device. Background Art

[0002] Crab seedlings refer to the large-eyed crab larvae that can be used for aquaculture production. Generally, they are mainly crab seedlings. After temporary rearing, the crab seedlings will shed their shells and become first-stage juvenile crabs. At this time, they are light yellow, fresh and tender. Afterwards, they will change from planktonic to benthic life, and the bait will also change accordingly.

[0003] The growth environment of crab seedlings in different regions is different, and their activity habits and distribution patterns will also be different. Therefore, it is necessary to select appropriate fishing techniques and tools according to local actual conditions, and the length of the fishing net rod required in different fishing environments will also be different. The length of the existing fishing net rod cannot be adjusted, so when fishing in different environments, fishing net rods of different lengths need to be used, which is less practical. Therefore, we propose a new type of crab seedling fishing device. Utility Model Content

[0004] The utility model aims to solve the problem that the existing fishing net rod in the prior art cannot be adjusted in length, so when fishing in different environments, fishing net rods of different lengths need to be used, which has poor practicality.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: it includes a fishing net rod, a length adjustment component is arranged inside the fishing net rod, the length adjustment component includes a sliding rod and a fixed block, the sliding rod is inserted into the inside of the fishing net rod, two groups of the fixed blocks are connected to the outer surface of one side of the fishing net rod, springs are arranged inside the two groups of the fixed blocks, and the insides of the two groups of the springs are penetrated by plug rods, one side of the surface of the two groups of the plug rods is fixedly connected with a push block, an array of jacks is opened on the side of the sliding rod close to the fixed block, a group of handles are connected to one end of the two groups of the plug rods, and a guide block is arranged on the upper surface of the sliding rod.

[0006] Furthermore, the push block forms an elastic structure through the fixed block and the spring, and the handle and the two groups of insertion rods are fixedly connected.

[0007] Furthermore, a sliding connection is formed between the sliding rod and the fishing net rod, and the outer surface of the sliding rod is in contact with the inner surface wall of the fishing net rod.

[0008] Furthermore, the positions and sizes of the two groups of insertion rods match the positions and sizes of the insertion holes.

[0009] Furthermore, a disassembly assembly is provided at one end of the sliding rod, and the disassembly assembly includes a connecting block and an inserting block, and the connecting block is fixedly connected to one end of the sliding rod.

[0010] Furthermore, an insert block is embedded in one side surface of the connecting block, a second threaded hole is opened inside the insert block, a first threaded hole is opened inside the connecting block, a net bag is connected to the outer surface of one side of the insert block, a threaded rod is inserted into the first threaded hole, and a nut is connected to one end of the threaded rod.

[0011] Furthermore, the threaded rod is threadedly connected to the first threaded hole and the second threaded hole, and the size of the insert block matches the size of the connection block.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, when the length of the fishing net rod needs to be adjusted in different environments, the handle can be grasped and pulled backwards to allow one end of the inserted rod to be pulled out from the socket at the current position. At this time, the sliding rod can be adjusted to adjust the length of the fishing net rod. When it is adjusted to a suitable length, the handle is released so that the inserted rod is inserted into the socket at the current position through the spring and fixed, thereby completing the length adjustment of the fishing net rod, avoiding the problem that the existing fishing net rod cannot be adjusted in length, so when fishing in different environments, fishing net rods of different lengths need to be used.

[0014] 2. In the utility model, when different net bags need to be used in different fishing environments, the nut can be removed from the threaded rod, and the threaded rod can be pulled out from the connecting block and the plug-in block. At this time, the plug-in block of the net bag can be taken out from the connecting block, and a new net bag can be inserted into the connecting block through the plug-in block and fixed by the threaded rod to complete the replacement of the net bag, thus avoiding the problem that the net bag cannot be replaced with the existing fishing net rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional structural schematic diagram of a crab seedling catching device is proposed for the utility model;

[0016] Figure 2 This is a three-dimensional structural schematic diagram from another angle of a crab seedling catching device proposed by the utility model;

[0017] Figure 3 The utility model provides a schematic diagram of the explosion structure of a crab seedling catching device;

[0018] Figure 4 The utility model provides a partial cross-sectional structural schematic diagram of a crab seedling catching device;

[0019] Figure 5 for Figure 4 The enlarged structural diagram at A in the middle;

[0020] Figure 6 The utility model provides a schematic diagram of the explosion structure of a connecting block of a crab seedling catching device.

[0021] Legend: 1. Fishing net pole; 2. Length adjustment assembly; 201. Sliding rod; 202. Fixed block; 203. Spring; 204. Insert rod; 205. Push block; 206. Handle; 207. Socket; 208. Guide block; 3. Disassembly assembly; 301. Connecting block; 302. Insert block; 303. First threaded hole; 304. Second threaded hole; 305. Nut; 306. Threaded rod; 307. Net bag. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0024] Embodiment 1, as Figure 1-Figure 6 As shown, the utility model provides a crab seedling fishing device, including a fishing net rod 1, a length adjustment component 2 is arranged inside the fishing net rod 1, the length adjustment component 2 includes a sliding rod 201 and a fixed block 202, the sliding rod 201 is inserted into the inside of the fishing net rod 1, two groups of fixed blocks 202 are connected to the outer surface of one side of the fishing net rod 1, springs 203 are arranged inside the two groups of fixed blocks 202, and the insides of the two groups of springs 203 are penetrated and connected with an insertion rod 204, and one side of the surface of the two groups of insertion rods 204 is fixedly connected with a push block 205, and the sliding rod 201 is close to the outer surface of the two groups of fixed blocks 202. An array of holes 207 is provided on one side of the fixed block 202, a group of handles 206 are connected to one end of the two groups of insertion rods 204, a guide block 208 is provided on the upper surface of the sliding rod 201, and the push block 205 forms an elastic structure through the fixed block 202 and the spring 203. The handle 206 and the two groups of insertion rods 204 are fixedly connected, and the sliding rod 201 and the fishing net rod 1 are slidably connected. The outer surface of the sliding rod 201 fits against the inner wall of the fishing net rod 1, and the position and size of the two groups of insertion rods 204 match the position and size of the hole 207.

[0025] The effect achieved by the entire embodiment 1 is that when crab seedlings are caught in different environments and the length of the fishing net rod 1 needs to be adjusted, the handle 206 can be grasped and pulled backwards. When the handle 206 is pulled backwards, the two groups of plug rods 204 will be driven to squeeze the spring 203 through the push block 205 at the same time, and at this time, one end of the two groups of plug rods 204 will be pulled out from the socket 207 at the current position. When one end of the two groups of plug rods 204 is completely pulled out from the socket 207, the sliding rod 201 can be grasped to slide and adjust in the fishing net rod 1, and the guide block 208 It can play a guiding role to ensure that the socket 207 and the plug rod 204 can be on the same horizontal line. After the sliding rod 201 is slid and adjusted to a suitable length, the handle 206 can be released. At this time, the spring 203 is no longer squeezed and can push the push block 205 through its own elastic force, and drive one end of the plug rod 204 to be inserted into the socket 207 at the current position for fixation, thereby completing the adjustment of the height of the fishing net rod 1, avoiding the problem that the length of the existing fishing net rod 1 cannot be adjusted, so when fishing in different environments, different lengths of fishing net rods 1 need to be used.

[0026] Embodiment 2, as Figure 1-Figure 6 As shown, a disassembly component 3 is provided at one end of the sliding rod 201, and the disassembly component 3 includes a connecting block 301 and an insert block 302. The connecting block 301 is fixedly connected to one end of the sliding rod 201, and the insert block 302 is embedded on one side surface of the connecting block 301. The insert block 302 is provided with a second threaded hole 304 inside, and the connecting block 301 is provided with a first threaded hole 303 inside. A net bag 307 is connected to the outer surface of one side of the insert block 302, and a threaded rod 306 is inserted into the first threaded hole 303. A nut 305 is connected to one end of the threaded rod 306. A threaded connection is formed between the threaded rod 306 and the first threaded hole 303 and the second threaded hole 304. The size of the insert block 302 matches the size of the connecting block 301.

[0027] The effect achieved by the entire embodiment 2 is that, when it is necessary to use a net bag 307 of a different shape, the nut 305 can be rotated in the opposite direction first to remove the nut 305 from the front end of the threaded rod 306, and then the threaded rod 306 can be rotated in the opposite direction to remove the threaded rod 306 from the first threaded hole 303 and the second threaded hole 304 respectively. When the threaded rod 306 is completely removed, the plug block 302 of the net bag 307 can be removed from the connecting block 301, thereby completing the disassembly of the net bag 307. When it is necessary to fix and install a new net bag 307, the plug block 302 of the net bag 307 can be inserted into the connecting block 301 first, and then the threaded rod 306 is connected and fixed through the first threaded hole 303 and the second threaded hole 304, and the nut 305 is installed to one end of the threaded rod 306 to fix it, thereby completing the installation of the net bag 307, avoiding the problem that the existing fishing net rod 1 cannot replace the net bag 307.

[0028] Working principle: When the length of the fishing net rod 1 needs to be adjusted in different environments, the handle 206 can be grasped and pulled backwards to make one end of the plug rod 204 withdrawn from the socket 207 at the current position, and then the sliding rod 201 can be adjusted to adjust the length of the fishing net rod 1. When it is adjusted to a suitable length, the handle 206 is released, so that the plug rod 204 is inserted into the socket 207 at the current position through the spring 203 and fixed, thereby completing the adjustment of the length of the fishing net rod 1, avoiding the existing fishing net rod 1 The length cannot be adjusted, so fishing in different environments When fishing, it is necessary to use fishing net rods 1 of different lengths. When different net bags 307 are needed in different fishing environments, the nut 305 can be removed from the threaded rod 306, and the threaded rod 306 can be pulled out from the connecting block 301 and the plug block 302. At this time, the plug block 302 of the net bag 307 can be taken out from the connecting block 301, and a new net bag 307 can be inserted into the connecting block 301 through the plug block 302 and fixed by the threaded rod 306 to complete the replacement of the net bag 307, thereby avoiding the problem that the existing fishing net rod 1 cannot replace the net bag 307.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in other forms. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A crab seed fishing device, comprising a fishing net rod (1), characterized in that: A length adjustment component (2) is provided inside the fishing net rod (1); The length adjustment assembly (2) comprises a sliding rod (201) and a fixed block (202); the sliding rod (201) is inserted into the interior of the fishing net rod (1); two groups of the fixed blocks (202) are connected to the outer surface of one side of the fishing net rod (1); springs (203) are arranged inside the two groups of the fixed blocks (202); insertion rods (204) are connected through the interior of the two groups of the springs (203); push blocks (205) are fixedly connected to one side of the surface of the two groups of the insertion rods (204); a row of insertion holes (207) is provided on one side of the sliding rod (201) close to the fixed block (202); a group of handles (206) are connected to one end of the two groups of the insertion rods (204); and a guide block (208) is arranged on the upper surface of the sliding rod (201).

2. The crab seed catching device according to claim 1, characterized in that: The push block (205) forms an elastic structure through the fixed block (202) and the spring (203), and the handle (206) and the two groups of insertion rods (204) are fixedly connected.

3. The crab seedling catching device according to claim 2, characterized in that: The sliding rod (201) is slidably connected to the fishing net rod (1), and the outer surface of the sliding rod (201) is in contact with the inner surface wall of the fishing net rod (1).

4. The crab seed catching device according to claim 3, characterized in that: The positions and sizes of the two groups of insertion rods (204) match the positions and sizes of the insertion holes (207).

5. The crab seed catching device according to claim 4, characterized in that: A disassembly assembly (3) is provided at one end of the sliding rod (201), and the disassembly assembly (3) comprises a connecting block (301) and an inserting block (302), and the connecting block (301) is fixedly connected to one end of the sliding rod (201).

6. The crab seed catching device according to claim 5, characterized in that: An insert block (302) is embedded in a surface of one side of the connection block (301); a second threaded hole (304) is provided inside the insert block (302); a first threaded hole (303) is provided inside the connection block (301); a net bag (307) is connected to an outer surface of one side of the insert block (302); a threaded rod (306) is inserted into the first threaded hole (303); and a nut (305) is connected to one end of the threaded rod (306).

7. The crab seed catching device according to claim 6, characterized in that: The threaded rod (306) is threadedly connected to the first threaded hole (303) and the second threaded hole (304), and the size of the insert block (302) matches the size of the connection block (301).

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