Pelteobagrus fulvidraco sperm preservation device

Abstract

The utility model relates to the technical field of aquaculture, and provides a pelteobagrus fulvidraco sperm preservation device which comprises a liquid nitrogen tank, a steering column is rotationally connected to the inner side of the top of the liquid nitrogen tank, and a chassis is fixedly installed at the bottom end of the steering column; according to the pelteobagrus fulvidraco sperm preservation device, an arranged pressing rotating ring rotates on a steering column and moves downwards to press a pressing assembly, so that the pressing assembly can drive a driving ring and a driving cover to slide downwards; at the moment, the good lifting assembly which moves to the opening position of the liquid nitrogen tank and is arranged on the cooling column can make contact with the driving cover which moves downwards, so that the two driving covers can be linked through the driving assembly to rotate at the same time, and the lifting assembly can rotate on the cooling column to lift the storage tank upwards or downwards; therefore, liquid nitrogen fumigation and liquid nitrogen low-temperature storage of the fish sperms in the storage tank are more convenient, and possible operation faults of hydraulic structures and the like in the liquid nitrogen tank are prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of aquaculture, and in particular to a yellow catfish sperm storage device. Background Art

[0002] Ultra-low temperature cryopreservation of fish sperm can solve many problems in the process of fish breeding. In order to reduce freezing damage such as ice crystal damage and solute damage to sperm during low-temperature freezing, optimization of the freezing steps and selection of cryopreservation fluid are very important.

[0003] A Chinese patent discloses a liquid nitrogen tank for storing fish sperm, with the publication number CN219330541U. The article states that "it includes a tank body, a rotating disk that can rotate is arranged at the bottom of the tank body cavity, a rotating bolt is fixedly installed at the middle position of the top of the rotating disk, and the end of the rotating bolt away from the rotating disk passes through the top of the tank body and extends to the outside of the tank body"; the liquid nitrogen tank is used to take out the storage tank storing fish sperm from the inside by the rotation of the rotating disk and the lifting action of the hydraulic rod, and the fish sperm needs to be fumigated before the liquid nitrogen storage of the fish sperm. The device can only store fish sperm in liquid nitrogen but cannot fumigate the storage tank with liquid nitrogen or directly place it in the liquid nitrogen tank for storage after fumigation. Moreover, the temperature of the storage tank after liquid nitrogen fumigation is low, and the hydraulic and other structures inside it are more susceptible to low temperature, causing failure of the operation of the entire device, thereby reducing the performance of the overall liquid nitrogen tank. Utility Model Content

[0004] The utility model aims to provide a yellow catfish sperm storage device, which solves the problem in the related art that the storage tank cannot be fumigated with liquid nitrogen during use and is directly placed in the liquid nitrogen tank for storage after fumigation, and the temperature of the storage tank after liquid nitrogen fumigation is low, and the hydraulic structure and other structures inside it are easily affected by the low temperature, causing the failure of the operation of the whole device, thereby reducing the use performance of the whole liquid nitrogen tank.

[0005] The technical solution of the utility model is as follows:

[0006] A yellow catfish sperm storage device comprises a liquid nitrogen tank, wherein the top inner side of the liquid nitrogen tank is rotatably connected with a steering column, the bottom end of the steering column is fixedly installed with a chassis, the outer side of the chassis is rotatably connected with the inner wall of the bottom end of the liquid nitrogen tank, a plurality of cooling columns for storing liquid nitrogen are fixedly installed on the top of the chassis, a storage tank for storing fish sperm is arranged on the inner side of the top of the cooling column, a lifting assembly for lifting the storage tank is arranged at the bottom end of the cooling column, a driving ring is slidably connected inside the top end of the liquid nitrogen tank, driving covers are rotatably connected at both ends of the bottom of the driving ring, the driving cover is used to be connected with the lifting assembly, the outer side of the bottom end of the driving cover is slidably connected with the inner wall of the top end of the liquid nitrogen tank, a linkage assembly for linking two driving covers is arranged inside the driving ring, a driving assembly for driving the driving cover to rotate is arranged at the top end of one of the driving covers, and a pressing swivel for pressing down the driving assembly is threadedly connected to the top end of the steering column.

[0007] Preferably, the lifting assembly includes a supporting ring for lifting the storage tank, both ends of the supporting ring are threadedly connected with a lifting screw, and the bottom end of the lifting screw is rotatably connected to the inner wall of the bottom end of the cooling column.

[0008] Preferably, a plurality of openings are provided on the inner side of the support ring, and the top end of the lifting screw and the bottom end of the driving cover are both rectangular.

[0009] Preferably, the linkage assembly includes a driving gear fixedly mounted on the top of the driving cover, and the driving ring is rotatably connected to a driving gear ring inside the driving ring, and the driving gear ring is meshed with the driving gear.

[0010] Preferably, the driving assembly includes a driving rod fixedly mounted on the top of the driving cover, the outer side of the driving rod is rotatably connected to a sliding rod, and the bottom ends of the sliding rod and the driving rod are both slidably connected to the top of the liquid nitrogen tank.

[0011] Preferably, a plurality of springs for rebounding the driving ring upward are fixedly mounted on the bottom end of the driving ring, and the bottom ends of the plurality of springs are fixedly connected to the top inner wall of the liquid nitrogen tank.

[0012] Preferably, an operating swivel is fixedly mounted on the top of the push-down swivel.

[0013] Preferably, the top opening of the liquid nitrogen tank is threadedly connected with a tank cover.

[0014] Beneficial effects of the utility model:

[0015] The downward pressing swivel is arranged to rotate on the steering column and move downward to exert a downward pressing effect on the downward pressing assembly, so that the downward pressing assembly can drive the driving ring and the driving cover to slide downward, so that the good lifting assembly on the cooling column that moves to the opening position of the liquid nitrogen tank at this time can contact the driving cover that moves downward, so that the two driving covers can rotate simultaneously through the driving assembly linkage, so that the lifting assembly can rotate on the cooling column to lift the storage tank up or down, thereby making it easier to carry out liquid nitrogen fumigation and low-temperature storage of fish sperm inside the storage tank, and preventing possible operational failures of hydraulic structures inside the liquid nitrogen tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the storage tank structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the liquid nitrogen tank of the utility model;

[0020] Figure 4 This is a schematic diagram of the internal structure of the drive ring of the utility model;

[0021] Figure 5 This is a schematic diagram of the internal structure of the cooling column of the utility model;

[0022] In the figure: 1. liquid nitrogen tank; 2. steering column; 3. chassis; 4. cooling column; 5. storage tank; 6. lifting assembly; 61. support ring; 62. lifting screw; 7. drive ring; 8. drive cover; 9. linkage assembly; 91. drive gear; 92. drive gear ring; 10. drive assembly; 101. drive rod; 102. sliding rod; 11. push-down swivel; 12. spring; 13. operating swivel; 14. tank cover. DETAILED DESCRIPTION

[0023] The following will be combined with 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 of 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.

[0024] See also Figure 1 and Figure 2The present embodiment proposes a yellow catfish sperm preservation device, comprising a liquid nitrogen tank 1, a steering column 2 is rotatably connected to the inner side of the top of the liquid nitrogen tank 1, a chassis 3 is fixedly installed at the bottom end of the steering column 2, the outer side of the chassis 3 is rotatably connected to the inner wall of the bottom end of the liquid nitrogen tank 1, a plurality of cooling columns 4 for storing liquid nitrogen are fixedly installed on the top of the chassis 3, a storage tank 5 for storing fish sperm is arranged on the inner side of the top of the cooling column 4, the chassis 3 is rotated inside the liquid nitrogen tank 1 through the steering column 2, so that the cooling column 4 used for the required operation can be moved to the bottom of the opening of the liquid nitrogen tank 1, a lifting assembly 6 for lifting the storage tank 5 is arranged at the bottom end of the cooling column 4, the storage tank 5 is placed on the top of the cooling column 4 through the lifting assembly 6 for liquid nitrogen fumigation or sent to the inside of the cooling column 4 for liquid nitrogen cooling, a driving ring 7 is slidably connected to the top of the liquid nitrogen tank 1, and the bottom ends of the driving ring 7 are rotated A driving cover 8 is connected, and the driving cover 8 is used to be connected with the lifting assembly 6. The outer side of the bottom end of the driving cover 8 is slidably connected with the inner wall of the top end of the liquid nitrogen tank 1. A linkage assembly 9 for linking two driving covers 8 is arranged inside the driving ring 7, and a driving assembly 10 for driving the driving cover 8 to rotate is arranged at the top of one of the driving covers 8. The top of the steering column 2 is threadedly connected with a pressing ring 11 for pressing down the driving assembly 10. The pressing ring 11 rotates and moves downward on the steering column 2, and the driving assembly 10, the driving ring 7 and the driving cover 8 are pressed downward synchronously, so that the driving cover 8 contacts with the top of the lifting assembly 6. The driving assembly 10 can drive the lifting assembly 6 to rotate when driving the driving cover 8 to rotate, and the storage tank 5 is placed in the cooling column 4 for low-temperature cooling or moved to the top of the cooling column 4 for liquid nitrogen fumigation, or the storage tank 5 continues to move upward out of the liquid nitrogen tank 1;

[0025] See also Figure 3 , Figure 4 as well as Figure 5The present embodiment provides a yellow catfish sperm storage device. The lifting assembly 6 includes a supporting ring 61 for lifting and lowering the storage tank 5. The two ends of the supporting ring 61 are threadedly connected with a lifting screw 62. The bottom end of the lifting screw 62 is rotatably connected to the inner wall of the bottom end of the cooling column 4. A plurality of openings are provided on the inner side of the supporting ring 61. The top of the lifting screw 62 and the bottom groove of the driving cover 8 are both rectangular. When the lifting assembly 6 moves to the bottom of the opening of the liquid nitrogen tank 1 through the cooling column 4, the driving cover 8 moves downward and engages with the top of the lifting screw 62. The lifting screw 62 is driven to rotate by the driving cover 8, so that the supporting ring 61 on the lifting screw 62 drives the storage tank 5 to move upward or downward. The linkage assembly 9 includes a driving gear 91 fixedly installed on the top of the driving cover 8. The internal rotation of the driving ring 7 is connected to a driving gear ring 92. The driving gear ring 92 is meshed with the driving gear 91. The two driving covers 8 drive the driving gear 91 on the driving cover 8 to rotate inside the driving ring 7. The driving assembly 10 includes The driving rod 101 is fixedly mounted on the top of the driving cover 8, and the outer side of the driving rod 101 is rotatably connected with a sliding rod 102. The bottom ends of the sliding rod 102 and the bottom ends of the driving rod 101 are both slidably connected to the top of the liquid nitrogen tank 1. The sliding rod 102 synchronously drives the driving rod 101, the driving ring 7 and the driving cover 8 to slide downward through the downward pressure of the downward pressure rotating ring 11. At this time, the driving rod 101 is operated to rotate on the sliding rod 102 to drive the driving cover 8 to rotate inside the driving ring 7, and the bottom end of the driving ring 7 A plurality of springs 12 are fixedly installed to rebound the driving ring 7 upward, and the bottom ends of the plurality of springs 12 are fixedly connected to the inner wall of the top end of the liquid nitrogen tank 1. When the driving ring 7 is not subjected to the pressure of the downward pressing rotating ring 11, the driving ring 7 and the driving cover 8 are moved to the initial position by the spring 12, thereby disengaging the driving cover 8 from the lifting screw 62, and the cooling column 4 can continue to rotate at this time. An operating rotating ring 13 is fixedly installed on the top of the downward pressing rotating ring 11, and a tank cover 14 is threadedly connected to the top opening of the liquid nitrogen tank 1.

[0026] In this embodiment, when in use, first, by rotating the steering column 2 and the chassis 3 inside the liquid nitrogen tank 1, the cooling column 4 for placing the storage tank 5 or the storage tank 5 for taking out the storage tank 5 on the cooling column 4 is moved to the position below the opening of the liquid nitrogen tank 1. At this time, the storage tank 5 can be rotated on the steering column 2 by pressing the rotating ring 11 downward and moving downward to press the sliding rod 102, the driving ring 7 and the driving cover 8, so that the driving cover 8 is engaged with the top end of the lifting screw 62. At this time, one of the driving rods 101 can be driven The cover 8 rotates, and through the action of the driving gear 91 and the driving gear ring 92, the other driving cover 8 rotates synchronously in the same direction, so that the lifting screw 62 rotates to drive the supporting ring 61 to lift the storage tank 5 up or down. At this time, it is more convenient to place the storage tank 5 storing fish sperm on the top of the cooling column 4 for liquid nitrogen fumigation. The storage tank 5 continues to slide downward, so that the liquid nitrogen inside the cooling column 4 can flow to the surroundings of the storage tank 5 to achieve the low-temperature storage of liquid nitrogen for the storage tank 5, and prevent the possible operation failure of the hydraulic structure inside the liquid nitrogen tank 1.

[0027] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. 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 yellow catfish sperm storage device, comprising a liquid nitrogen tank (1), characterized in that: A steering column (2) is rotatably connected to the inner side of the top of the liquid nitrogen tank (1); a chassis (3) is fixedly installed at the bottom end of the steering column (2); the outer side of the chassis (3) is rotatably connected to the inner wall of the bottom end of the liquid nitrogen tank (1); a plurality of cooling columns (4) for storing liquid nitrogen are fixedly installed on the top of the chassis (3); a storage tank (5) for storing fish sperm is arranged on the inner side of the top of the cooling column (4); a lifting assembly (6) for lifting the storage tank (5) is arranged at the bottom end of the cooling column (4); a driving ring (6) is slidably connected to the inside of the top of the liquid nitrogen tank (1); 7), the two ends of the bottom of the driving ring (7) are rotatably connected with driving covers (8), the driving covers (8) are used to be connected with the lifting assembly (6), the outer side of the bottom end of the driving cover (8) is slidably connected with the top inner wall of the liquid nitrogen tank (1), the driving ring (7) is provided with a linkage assembly (9) for linking the two driving covers (8), the top of one of the driving covers (8) is provided with a driving assembly (10) for driving the driving cover (8) to rotate, and the top of the steering column (2) is threadedly connected with a downward pressing ring (11) for pressing down the driving assembly (10).

2. A yellow catfish sperm storage device according to claim 1, characterized in that: The lifting assembly (6) comprises a support ring (61) for lifting the storage tank (5), both ends of the support ring (61) are threadedly connected with a lifting screw rod (62), and the bottom end of the lifting screw rod (62) is rotatably connected to the inner wall of the bottom end of the cooling column (4).

3. A yellow catfish sperm storage device according to claim 2, characterized in that: A plurality of openings are formed on the inner side of the support ring (61), and the top end of the lifting screw (62) and the bottom end of the driving cover (8) are both rectangular.

4. The yellow catfish sperm storage device according to claim 1, characterized in that: The linkage assembly (9) comprises a driving gear (91) fixedly mounted on the top of the driving cover (8); a driving gear ring (92) is rotatably connected inside the driving ring (7); and the driving gear ring (92) is meshed with the driving gear (91).

5. The yellow catfish sperm storage device according to claim 1, characterized in that: The driving assembly (10) comprises a driving rod (101) fixedly mounted on the top of the driving cover (8); the outer side of the driving rod (101) is rotatably connected to a sliding rod (102); the bottom end of the sliding rod (102) and the bottom end of the driving rod (101) are both slidably connected to the top of the liquid nitrogen tank (1).

6. The yellow catfish sperm storage device according to claim 1, characterized in that: A plurality of springs (12) for rebounding the driving ring (7) upwards are fixedly mounted on the bottom end of the driving ring (7), and the bottom ends of the plurality of springs (12) are fixedly connected to the top inner wall of the liquid nitrogen tank (1).

7. The yellow catfish sperm storage device according to claim 1, characterized in that: An operating swivel (13) is fixedly mounted on the top of the pressing swivel (11).

8. The yellow catfish sperm storage device according to claim 1, characterized in that: The top opening of the liquid nitrogen tank (1) is threadedly connected with a tank cover (14).

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