River crab in-vitro hatching and seedling raising device

By designing the screen frame and slider structure in the river crab ex vivo hatching device, the problem that existing devices cannot quickly screen river crab seedlings is solved, and the rapid separation and removal of river crab seedlings is achieved, which improves the hatching efficiency and reduces costs.

CN222656015UActive Publication Date: 2025-03-25JIANGSU NOAHS ARK AGRI TECH
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Patent Information

Application Number
CN202421334594.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-03-25
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

Existing river crab in vitro hatching devices cannot quickly screen river crab seedlings, resulting in inefficiency and increased costs.

Method used

A river crab ex vivo hatching and seedling cultivation device is designed, using a screen frame and a slider structure. The screen frame is removed through the slots and sliders on the left and right sides of the screen frame, and then the river crabs in the breeding bin are quickly removed through the screen mesh.

Benefits of technology

The rapid separation and removal of river crab seedlings is achieved, the incubation efficiency is improved, and the production cost is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a river crab in-vitro hatching and seedling raising device which comprises a hatching box, a baffle is arranged on the front surface of the hatching box, moving wheels are arranged at the four corners of the lower surface of the hatching box, positioning assemblies are arranged on the left side and the right side of the hatching box, and mounting strips are arranged on the left side and the right side of the interior of the hatching box. A mounting plate is arranged between every two groups of mounting strips, fixing assemblies are arranged on the left sides and the right sides of the two groups of mounting plates, a breeding bin is arranged on the upper surface of each mounting plate, and the positions of adjusting rods on the left sides and the right sides of the mounting plates are adjusted, so that inserting rods are shrunk inwards, and the inserting rods are separated from inserting grooves in the mounting strips; then the mounting plates can be taken out from the mounting strips, then the screen frame is moved out through the sliding blocks arranged on the front side and the rear side through the groove positions formed in the left side and the right side of the screen frame, and then the river crabs in the breeding bin are rapidly taken out through the screen cloth.
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Description

Technical Field

[0001] The utility model belongs to the technical field of in vitro hatching of river crabs, and particularly relates to an in vitro hatching and seedling raising device for river crabs. Background Art

[0002] Chinese mitten crab, commonly known as river crab or hairy crab, is an important specialty aquatic product in my country. River crab seedlings are raised in seawater, with a long breeding cycle, usually taking 3-4 months. During the seedling raising process, there are always some problems in water quality, nutrition, management, etc., resulting in a certain number of egg-bearing crabs dying or having incomplete legs. In the actual production process, fertilized eggs are often peeled off from incomplete legs or newly dead egg-bearing crabs, and incubated through river crab in vitro incubation devices, reducing corporate losses.

[0003] In the publication number CN217012314U, a crab in vitro hatching device is disclosed. The utility model relates to the technical field of hatching equipment. Several arc grooves are provided on the top wall of the hatching plate. The parts on the top wall of the hatching plate located on the left and right sides of the arc grooves are fixedly connected with arc baffles. A transmission motor is fixedly connected to the right side wall of the hatching box. After the output end of the transmission motor passes through the right side wall of the hatching box, it is fixedly connected with a transmission shaft. The left end of the transmission shaft is rotatably connected to the left inner wall of the hatching box through a bearing. A turntable is fixedly mounted on the transmission shaft. The fertilized eggs of crabs gathered together can be flushed and separated, and hatched in different areas, so as to improve the hatching efficiency and reduce the cost. However, the structure of the above-mentioned device is relatively simple and the crabs cannot be quickly screened out. Therefore, it is necessary to provide a crab in vitro hatching and seedling raising device to solve the above-mentioned problems. Utility Model Content

[0004] The technical content of the utility model is to provide a device for in vitro hatching and raising seedlings of river crabs.

[0005] In order to solve the above problems, the utility model provides an in vitro hatching and seedling raising device for river crabs, comprising: an incubator box, a baffle is provided on the front surface of the incubator box, movable wheels are provided at the four corners of the lower surface of the incubator box, positioning components are provided on the left and right sides of the incubator box, mounting strips are provided on the left and right sides of the incubator box, and a mounting plate is provided between every two groups of mounting strips, fixing components are provided on the left and right sides of the two groups of mounting plates, and a breeding bin is provided on the upper surface of the mounting plates, screen frames are provided inside the two groups of breeding bins, and filters are provided on the lower surface of the screen frames, and grooves are provided on the upper ends of the left and right sides of the screen frames for convenient separation of river crab seedlings, sliding blocks are provided on the front and rear sides of the two groups of screen frames, and sliding grooves matching the same are provided on the front and rear sides of the breeding bin for convenient separation of river crab seedlings.

[0006] As a further solution of the utility model, the baffle is hingedly arranged on the left side of the front surface of the incubator, and a handle is arranged on the right side of the front surface of the baffle to facilitate opening the baffle.

[0007] As a further solution of the present invention, a groove is provided on the surface of the baffle plate, and an observation window is provided in the groove to facilitate observation of the situation in the incubator.

[0008] As a further solution of the utility model, the two groups of positioning components include positioning plates, which are arranged on the outside of the incubator. A positioning rod is arranged on the lower surface of the positioning plate, and a positioning seat is arranged at the lower end of the positioning rod through a threaded structure to facilitate fixing of the device.

[0009] As a further solution of the utility model, movable grooves are provided on the adjacent sides of the four groups of mounting strips, and two groups of mounting plates are movably inserted into the movable grooves provided by the four groups of mounting strips, so as to facilitate setting the mounting plates in the incubator.

[0010] As a further solution of the present invention, the four groups of fixing components include an insertion rod, which is arranged at the front end of the left side of the mounting plate, a positioning spring is arranged at the right end of the insertion rod, and the left end of the insertion rod is arranged as an oblique structure, and the movable groove opened by the mounting strip is provided with a slot matching it, an adjustment rod is arranged on the front side of the right end of the insertion rod, and adjustment grooves matching the adjustment rod are opened on both sides of the front surface of the mounting plate, so as to facilitate the fixing of the mounting plate.

[0011] In summary, the utility model includes at least one of the following beneficial technical effects:

[0012] First, the utility model records an in vitro hatching and seedling raising device for river crabs, which records that a screen frame is provided, and the positions of the adjusting rods on the left and right sides of the mounting plate are adjusted to make the insertion rods retract inward, so that the insertion rods are disengaged from the slots in the mounting strips. Then the mounting plate can be taken out from the mounting strips, and then the screen frame can be moved out through the slots provided on the left and right sides of the screen frame through the sliders provided on the front and rear sides, and then the river crabs in the breeding bin can be quickly taken out through the screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0014] Figure 1 This is a three-dimensional structural schematic diagram of a device for in vitro hatching and raising seedlings of river crabs according to the utility model;

[0015] Figure 2 This is a schematic diagram of the three-dimensional structure of a device for in vitro hatching and raising seedlings of river crabs according to the utility model;

[0016] Figure 3 This is a schematic diagram of the disassembled structure of a device for in vitro hatching and raising seedlings of river crabs according to the utility model;

[0017] Figure 4 It is a partial cross-sectional structural schematic diagram of a device for in vitro hatching and raising crab seedlings of the utility model;

[0018] Figure 5 This is a schematic diagram of the partially disassembled structure of a device for in vitro hatching and raising seedlings of river crabs according to the utility model;

[0019] Figure 6 It is a partial cross-sectional structural schematic diagram of a device for in vitro hatching and raising crab seedlings of the utility model;

[0020] Figure 7 The utility model is a schematic diagram of the partially disassembled structure of a device for in vitro hatching and raising seedlings of river crabs.

[0021] Figure numerals: 1. incubator; 2. baffle; 3. handle; 4. observation window; 5. moving wheel; 6. positioning piece; 7. positioning rod; 8. positioning seat; 9. mounting strip; 10. mounting plate; 11. insertion rod; 12. positioning spring; 13. adjustment rod; 14. breeding bin; 15. screen frame. DETAILED DESCRIPTION

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 A crab in vitro hatching and seedling raising device comprises: an incubator 1, a baffle 2 is provided on the front surface of the incubator 1, moving wheels 5 are provided at the four corners of the lower surface of the incubator 1, positioning components are provided on the left and right sides of the incubator 1, mounting strips 9 are provided on the left and right sides of the incubator 1, and a mounting plate 10 is provided between every two groups of mounting strips 9, fixing components are provided on the left and right sides of the two groups of mounting plates 10, and a breeding warehouse 14 is provided on the upper surface of the mounting plate 10, a screen frame 15 is provided inside the two groups of breeding warehouses 14, and a filter is provided on the lower surface of the screen frame 15, and slots are provided on the upper ends of the left and right sides of the screen frame 15, sliders are provided on the front and rear sides of the two groups of screen frames 15, and sliding slots matching the same are opened on the front and rear sides of the breeding warehouse 14, and the screen frame 15 can be moved out through the sliders provided on the front and rear sides through the slots provided on the left and right sides of the screen frame 15, and then the crabs in the breeding warehouse 14 can be quickly taken out through the screen.

[0023] The baffle 2 is hingedly arranged on the left side of the front surface of the incubator 1 , and a handle 3 is arranged on the right side of the front surface of the baffle 2 . By pulling the handle 3 , the baffle 2 is opened to process the situation in the incubator 1 .

[0024] A groove is provided on the surface of the baffle plate 2 , and an observation window 4 is provided in the groove, so that the situation in the incubator 1 can be observed through the observation window 4 .

[0025] The two groups of positioning components include a positioning plate 6, which is arranged on the outside of the incubator 1. A positioning rod 7 is arranged on the lower surface of the positioning plate 6, and a positioning seat 8 is sleeved on the lower end of the positioning rod 7 through a threaded structure. By rotating the positioning seat 8, the positioning seat 8 is right-handed at the lower end of the positioning rod 7 through the threaded structure, so that the positioning seat 8 contacts the ground to fix the device.

[0026] The four sets of mounting strips 9 are provided with movable grooves on the adjacent sides, and the two sets of mounting plates 10 are movably inserted in the movable grooves provided by the four sets of mounting strips 9. The four sets of fixing components include an insertion rod 11, which is provided at the front end of the left side of the mounting plate 10, a positioning spring 12 is provided at the right end of the insertion rod 11, and the left end of the insertion rod 11 is provided with an oblique structure, and matching slots are provided in the movable grooves provided by the mounting strips 9, an adjustment rod 13 is provided at the front side of the right end of the insertion rod 11, and adjustment grooves matching the adjustment rod 13 are provided on both sides of the front surface of the mounting plate 10. By adjusting the mounting The plate 10 is inserted into the movable grooves opened by the two groups of mounting strips 9. When inserted, the insertion rod 11 arranged in the oblique structure is squeezed and retracted inwardly. After the mounting plate 10 is completely inserted into the movable grooves, the insertion rod 11 is driven by the elastic force of the positioning spring 12 to be inserted into the slots opened by the mounting strips 9 to fix the mounting plate 10. When the mounting plate 10 needs to be taken out, the positions of the adjustment rods 13 on the left and right sides of the mounting plate 10 are adjusted to make the insertion rod 11 retract inwardly, thereby making the insertion rod 11 disengage from the slots in the mounting strips 9, and then the mounting plate 10 can be taken out of the mounting strips 9.

[0027] Working principle: When in use, the device is moved to a suitable position and then fixed by the positioning component. When the river crab needs to be taken out, the mounting plate 10 is moved out of the mounting bar 9 by adjusting the mounting component, and then the screen frame 15 is moved out through the sliders set on the front and rear sides through the slots set on the left and right sides of the screen frame 15, and then the river crabs in the breeding bin 14 are quickly taken out through the screen. After taking out, the screen frame 15 is inserted into the breeding bin 14 through the slider, and then the mounting plate 10 is inserted into the movable groove opened in the mounting bar 9, and then the mounting plate 10 is fixed by the positioning component.

[0028] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the attached claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. A device for in vitro hatching and seedling raising of river crabs, characterized in that: include: An incubator (1), wherein a baffle (2) is provided on the front surface of the incubator (1), movable wheels (5) are provided at the four corners of the lower surface of the incubator (1), positioning components are provided on both the left and right sides of the incubator (1), mounting strips (9) are provided on both the left and right sides of the interior of the incubator (1), and a mounting plate (10) is provided between each two groups of mounting strips (9), fixing components are provided on both the left and right sides of the two groups of mounting plates (10), and a breeding bin (14) is provided on the upper surface of the mounting plate (10), a screen frame (15) is provided inside the two groups of breeding bins (14), a filter screen is provided on the lower surface of the screen frame (15), and slots are provided on the upper ends of the left and right sides of the screen frame (15), sliding blocks are provided on the front and rear sides of the two groups of screen frames (15), and sliding grooves matching the sliding blocks are provided on the front and rear sides of the interior of the breeding bin (14).

2. The in vitro hatching and seedling raising device for river crabs according to claim 1 is characterized in that: The baffle (2) is hingedly arranged on the left side of the front surface of the incubator (1), and a handle (3) is arranged on the right side of the front surface of the baffle (2).

3. The in vitro hatching and seedling raising device for river crabs according to claim 1 is characterized in that: A groove is provided on the surface of the baffle (2), and an observation window (4) is provided in the groove.

4. The in vitro hatching and seedling raising device for river crabs according to claim 1 is characterized in that: The two groups of positioning components include positioning plates (6), which are arranged outside the incubator (1). A positioning rod (7) is arranged on the lower surface of the positioning plate (6), and a positioning seat (8) is sleeved on the lower end of the positioning rod (7) via a threaded structure.

5. The in vitro hatching and seedling raising device for river crabs according to claim 1 is characterized in that: The adjacent sides of the four groups of mounting strips (9) are all provided with movable grooves, and the two groups of mounting plates (10) are movably inserted into the movable grooves provided in the four groups of mounting strips (9).

6. The in vitro hatching and seedling raising device for river crabs according to claim 1, characterized in that: The four groups of fixing components include an insertion rod (11), the insertion rod (11) is arranged at the front end of the left side of the mounting plate (10), a positioning spring (12) is arranged at the right end of the insertion rod (11), and the left end of the insertion rod (11) is arranged as an oblique structure, and a slot matching the movable groove opened by the mounting strip (9) is opened, an adjustment rod (13) is arranged at the front side of the right end of the insertion rod (11), and adjustment grooves matching the adjustment rod (13) are opened on both left and right sides of the front surface of the mounting plate (10).

Citation Information

Patent Citations

  • River crab in-vitro hatching device

    CN217012314U