Novel cell storage cabinet

Abstract

The utility model relates to the technical field of storage, in particular to a novel cell storage cabinet. The liquid nitrogen storage cabinet comprises a cabinet body, a liquid nitrogen storage tank and a bearing plate, a convenient storing and taking mechanism is assembled in the bearing plate, and a refrigerating mechanism is assembled between the cabinet body and the liquid nitrogen storage tank. According to the utility model, through the structural design of the convenient access mechanism, the rotation of the turntable is realized by rotating the rotating rod, so that a worker can conveniently place and take cell storage objects; by means of the structural design of the refrigerating mechanism, liquid nitrogen is added from a liquid inlet pipe by controlling a liquid inlet valve, the vaporized liquid nitrogen is conveyed into all positions in the cabinet body through a fan, and the refrigerating effect of the cell storage cabinet is improved; and through the structural design of the opening and closing sealing mechanism, a threaded rod and a fastening threaded cylinder are in threaded fit, so that the fastening threaded cylinder is in pressing fit with a fixing block, and sealing between the cabinet body and the cabinet door is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of storage, in particular to a novel cell storage cabinet. Background Art

[0002] Cell storage cabinets, as a high-tech storage device, are designed for preserving biological cells. The history of cell storage technology can be traced back to the 19th century, but it was not until recent decades, with the rapid development of cryopreservation and freezing technology, that cell storage cabinets have been widely used. These cabinets can preserve cells for a long time at extremely low temperatures to ensure the activity and integrity of cells. Cell storage cabinets meet diversified storage needs, including neonatal life source cells, dental pulp mesenchymal stem cells, adipose mesenchymal stem cells, etc. This diversified storage capacity provides rich resources for future medical research and treatment. Safety and stability are fully considered in the design and manufacture of cell storage cabinets. The application of cell storage cabinets is not limited to the field of scientific research, but also has great significance in clinical medicine.

[0003] For example, patent CN212930614U discloses a multi-layer plate refrigerator for stem cell storage, comprising: a cabinet, a plurality of cabinet doors are arranged on the surface of the cabinet, and the cabinet doors are rotatably connected to the cabinet through hinges, a partition is arranged at the bottom of the cabinet, and an air intake fan is arranged on the surface of the partition, and the air intake fan is fixedly connected to the partition through bolts, and a liquid nitrogen storage box is arranged at the bottom of the partition. The cabinet of the utility model has a plurality of cabinet doors arranged on the surface, and the cabinet doors correspond to the positions of the internal support plates. When taking and placing stem cells, only the corresponding cabinet doors need to be opened, which can effectively reduce the loss of temperature inside the cabinet. At the same time, a fixed block is arranged inside the cabinet, and a card slot is arranged inside the fixed block. The tray is arranged in a rectangular structure and a support rod is arranged inside. The edge of the tray is mutually embedded with the card slot, and a placement plate is arranged on the surface of the internal support rod. A card block is arranged at the bottom of the placement plate and mutually embedded with the support rod, which ensures the stability of the placement plate.

[0004] When using the above technology, it was found that the following technical problems exist in the prior art: the existing multi-layer plate refrigerator for stem cell storage is not convenient for placing and taking out cell storage, and the principle of liquid nitrogen refrigeration is mainly to utilize the low temperature boiling point and vaporization heat absorption characteristics of liquid nitrogen, and to achieve the refrigeration effect by absorbing heat through vaporization of liquid nitrogen, which requires the device to have good sealing performance. The sealing effect of the existing multi-layer plate refrigerator for stem cell storage is not good enough, so there is room for improvement. For this reason, we designed a new cell storage cabinet to provide another technical solution to the above technical problems. Utility Model Content

[0005] Based on this, it is necessary to provide a new type of cell storage cabinet to solve the technical problems of facilitating the placement and retrieval of cell storage materials and improving the sealing effect of the storage cabinet in response to the above technical problems.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A novel cell storage cabinet comprises a cabinet body, a liquid nitrogen storage tank and a load-bearing plate, wherein the inner bottom of the cabinet body is equipped with a liquid nitrogen storage tank, a plurality of load-bearing plates are fixed inside the cabinet body, a convenient storage and access mechanism is installed inside the load-bearing plate, and a refrigeration mechanism is installed between the cabinet body and the liquid nitrogen storage tank;

[0008] The convenient storage and retrieval mechanism includes a transmission rod, a rotating block, a rotating rod, a driving bevel gear, a driven bevel gear, and a first rotating column. The transmission rod is rotatably connected to the inside of one side of the bearing plate, a rotating block is fixed to one end of the transmission rod, the inside of the rotating block is rotatably connected to the rotating rod through a pin, the other end of the transmission rod is fixed to the driving bevel gear, the outside of the driving bevel gear is meshed and connected to the driven bevel gear, and the first rotating column is fixed to the top of the driven bevel gear.

[0009] Preferably, the convenient storage and retrieval mechanism also includes a driving pinion, a driven gear, a turntable, a second rotating column and a limit ring, a driving pinion is fixed to the outside of the first rotating column, the driven gear is meshed and connected to the outside of the driving pinion, a turntable is fixed to the top of the driven gear, a second rotating column is fixed to the bottom of the driven gear, a limit ring is fixed to the bottom of the turntable, the turntable and the limit ring are both rotatably connected to the bearing plate, and the second rotating column is also rotatably connected to the bearing plate.

[0010] Preferably, the refrigeration mechanism includes a support frame, a liquid inlet pipe, a liquid inlet valve, an air outlet pipe, an air outlet valve, a fan, a transmission pipe and an air outlet. Two support frames are fixed to the bottom of the liquid nitrogen storage tank, and the two support frames are fixed to the cabinet. A liquid inlet pipe is fixed to one end of the liquid nitrogen storage tank, and a liquid inlet valve is arranged inside the liquid inlet pipe. An air outlet pipe is fixed to the top of the liquid nitrogen storage tank, and an air outlet valve is arranged inside the air outlet pipe. A fan is fixed to the bottom of one of the supporting plates, and the output end of the fan is fixed to the air outlet pipe. A transmission pipe is fixed to one side of the air outlet pipe, and a plurality of air outlets are opened inside the transmission pipe.

[0011] Preferably, one side of the cabinet body is equipped with an opening and closing sealing mechanism, which includes a hinge, a cabinet door, a matching fixed block, a matching seat, a rotating threaded rod and a fastening threaded cylinder. Two hinges are fixed inside one side of the cabinet body, one end of the two hinges is fixed with a cabinet door, one end of the cabinet door is fixed with two matching fixed blocks, and one end of the cabinet body is fixed with two matching seats. The matching fixed blocks and the matching seats are positioned correspondingly, the interior of the matching seat is rotatably connected with a rotating threaded rod through a pin, and the external thread of the rotating threaded rod is threadedly connected with a fastening threaded cylinder.

[0012] Preferably, a plurality of lighting lamps are fixed on one side of the interior of the cabinet.

[0013] Preferably, anti-slip feet are fixed to the four end corners of the bottom of the cabinet.

[0014] Preferably, a sealing strip is provided on one side of the cabinet body, and a door handle is fixed on one end of one side of the cabinet door.

[0015] It can be seen without a doubt that the above-mentioned technical solution of the present application can definitely solve the technical problem to be solved by the present application.

[0016] At the same time, through the above technical solutions, the utility model has at least the following beneficial effects:

[0017] 1. The utility model adopts a structural design that facilitates the storage and retrieval mechanism, so that the device can realize the rotation of the turntable by rotating the rotating rod, so that the cell storage on the turntable is rotated to the side close to the cabinet door, which is convenient for the staff to place and take the cell storage, and improves the flexibility of the cell storage cabinet.

[0018] 2. The utility model adopts the structural design of the refrigeration mechanism, so that the device controls the liquid inlet valve to add liquid nitrogen from the liquid inlet pipe, and transports the vaporized liquid nitrogen into various places inside the cabinet through the fan, thereby improving the refrigeration effect of the cell storage cabinet.

[0019] 3. The utility model adopts the structural design of the opening and closing sealing mechanism, so that the device can achieve the sealing between the cabinet body and the cabinet door through the threaded cooperation between the threaded rod and the fastening threaded cylinder, so that the fastening threaded cylinder is pressed and matched with the fixing block, thereby improving the sealing effect of the cell storage cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the connection structure of the cabinet, liquid nitrogen storage tank and bearing plate of the utility model;

[0023] Figure 3 It is a schematic diagram of the cross-sectional structure of the load-bearing plate of the utility model;

[0024] Figure 4 It is a schematic diagram of the cross-sectional structure of the cabinet of the utility model;

[0025] Figure 5 This is a schematic diagram of the connection structure between the cabinet body and the cabinet door of the utility model;

[0026] Figure 6 It is a partial enlarged structural schematic diagram of the utility model.

[0027] In the figure: 1. cabinet; 2. liquid nitrogen storage tank; 3. bearing plate; 4. transmission rod; 5. rotating block; 6. rotating rod; 7. driving bevel gear; 8. driven bevel gear; 9. first rotating column; 10. driving small gear; 11. driven large gear; 12. turntable; 13. second rotating column; 14. limiting ring; 15. supporting frame; 16. liquid inlet pipe; 17. liquid inlet valve; 18. air outlet pipe; 19. air outlet valve; 20. fan; 21. transmission pipe; 22. air outlet; 23. hinge; 24. cabinet door; 25. matching fixing block; 26. matching seat; 27. rotating threaded rod; 28. fastening threaded cylinder; 29. ​​lighting lamp; 30. anti-slip pad; 31. sealing strip; 32. door handle. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0029] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0030] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0031] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0032] Embodiment 1

[0033] Reference Figure 1 - Figure 3 A novel cell storage cabinet comprises a cabinet body 1, a liquid nitrogen storage tank 2 and a bearing plate 3, wherein the liquid nitrogen storage tank 2 is mounted on the inner bottom of the cabinet body 1, a plurality of bearing plates 3 are fixed inside the cabinet body 1, a convenient access mechanism is mounted inside the bearing plate 3, and a refrigeration mechanism is mounted between the cabinet body 1 and the liquid nitrogen storage tank 2;

[0034] The convenient access mechanism includes a transmission rod 4, a rotating block 5, a rotating rod 6, a driving bevel gear 7, a driven bevel gear 8, and a first rotating column 9. The transmission rod 4 is rotatably connected to the inside of one side of the carrying plate 3, and a rotating block 5 is fixed to one end of the transmission rod 4. The rotating block 5 is rotatably connected to the inside of the rotating block 5 through a pin. The driving bevel gear 7 is fixed to the other end of the transmission rod 4. The driven bevel gear 8 is meshed and connected to the outside of the driving bevel gear 7. The first rotating column 9 is fixed to the top of the driven bevel gear 8; the convenient access mechanism also includes a driving pinion 10, a driven large gear 11, a rotating disk 12, a second rotating column 13 and a limiting ring 14. The driving pinion 10 is fixed to the outside of the first rotating column 9, and the driven pinion 10 is meshed and connected to the outside of the driven large gear 11. The rotating disk 12 is fixed to the top of the driven large gear 11, and the bottom of the driven large gear 11 is fixed to The second rotating column 13 and the bottom of the rotating disk 12 are fixed with a limiting ring 14, the rotating disk 12 and the limiting ring 14 are both rotatably connected to the carrying plate 3, and the second rotating column 13 is also rotatably connected to the carrying plate 3; when it is convenient to store and access the stored cells, the rotating rod 6 is rotated, the rotating rod 6 drives the rotating block 5 to rotate, the rotating block 5 drives the transmission rod 4, the transmission rod 4 drives the active bevel gear 7, the active bevel gear 7 drives the driven bevel gear 8, the driven bevel gear 8 drives the first rotating column 9 to rotate, the first rotating column 9 drives the active pinion 10 to rotate, the active pinion 10 drives the driven large gear 11 to rotate, the driven large gear 11 drives the rotating disk 12 to rotate, the rotating disk 12 drives the second rotating column 13 and the limiting ring 14 to rotate, and the stored cells on the rotating disk 12 can be rotated to the side close to the cabinet door 24, which is convenient for the staff to place and take the stored cells;

[0035] The refrigeration mechanism includes a support seat 15, a liquid inlet pipe 16, a liquid inlet valve 17, an air outlet pipe 18, an air outlet valve 19, a fan 20, a transmission pipe 21 and an air outlet 22. Two support seats 15 are fixed to the bottom of the liquid nitrogen storage tank 2, and the two support seats 15 are fixed to the cabinet 1. A liquid inlet pipe 16 is fixed to one end of the liquid nitrogen storage tank 2, and a liquid inlet valve 17 is arranged inside the liquid inlet pipe 16. An air outlet pipe 18 is fixed to the top of the liquid nitrogen storage tank 2, and an air outlet valve 19 is arranged inside the air outlet pipe 18. A fan 20 is fixed to the bottom of one of the bearing plates 3, and the fan 20 The output end of the cabinet 1 is fixed to the gas outlet pipe 18, a transmission pipe 21 is fixed to one side of the gas outlet pipe 18, and a plurality of gas outlets 22 are provided inside the transmission pipe 21; when the cabinet 1 is to be refrigerated, liquid nitrogen needs to be added to the inside of the carrier plate 3, the liquid inlet valve 17 is opened to add liquid nitrogen from the liquid inlet pipe 16, and after adding an appropriate dose, the liquid inlet valve 17 is closed to prevent the liquid nitrogen from leaking, the gas outlet valve 19 is opened, and the fan 20 is started. Through the operation of the fan 20, the vaporized nitrogen passes through the transmission pipe 21 and finally spreads to various places inside the cabinet 1 through the plurality of gas outlets 22;

[0036] A plurality of lighting lamps 29 are fixed to one side of the interior of the cabinet 1; the lighting lamps 29 are arranged to illuminate the interior of the cabinet 1, making it convenient to observe the internal conditions;

[0037] The four corners at the bottom of the cabinet 1 are all fixed with anti-skid feet 30; the anti-skid feet 30 are arranged to make the cell storage cabinet stable when placed and safe and reliable when used;

[0038] Embodiment 2

[0039] Reference Figure 4 - Figure 6 A novel cell storage cabinet, one side of the cabinet body 1 is equipped with an opening and closing sealing mechanism, the opening and closing sealing mechanism includes a hinge 23, a cabinet door 24, a matching fixing block 25, a matching seat 26, a rotating threaded rod 27 and a fastening threaded cylinder 28, two hinges 23 are fixed inside one side of the cabinet body 1, one end of the two hinges 23 is fixed with a cabinet door 24, one end of the cabinet door 24 is fixed with two matching fixing blocks 25, one end of the cabinet door 24 is fixed with two matching seats 26, the matching fixing blocks 25 and the matching seats 26 are positioned correspondingly, the inside of the matching seat 26 is rotatably connected with a rotating threaded rod 27 through a pin, and the external thread of the rotating threaded rod 27 is connected with a fastening threaded cylinder 28; a sealing strip 31 is provided on one side of the cabinet body 1, and a door handle 32 is fixed on one end of one side of the cabinet door 24. The sealing strip 31 is provided to make the cabinet body 1 and the cabinet door 24 more airtight when sealed, and there will be no air leakage. The door handle 32 is provided to facilitate the cabinet door 24 to enter. The cabinet door 24 is opened and closed, thereby facilitating the placement and retrieval of cell storage materials; the principle of liquid nitrogen refrigeration mainly utilizes the low temperature boiling point and vaporization heat absorption characteristics of liquid nitrogen, and the refrigeration effect is achieved by absorbing heat through the vaporization of liquid nitrogen, which requires good sealing of the device, otherwise it will cause nitrogen leakage and waste and poor refrigeration effect; holding the door handle 32 and pulling it makes the door handle 32 drive the cabinet door 24, and the cabinet door 24 drives the matching fixing block 25 to rotate around the two hinges 23. At this time, the cabinet door 24 is in contact with one side of the cabinet body 1, holding the fastening threaded cylinder 28, the fastening threaded cylinder 28 drives the rotating threaded rod 27, and the rotating threaded rod 27 rotates around the pin inside the matching seat 26, so that one side of the fastening threaded cylinder 28 is in contact with the side of the matching fixing block 25 that is close to each other, and the fastening threaded cylinder 28 is rotated, and the fastening threaded cylinder 28 is rotated and tightened at the thread of the rotating threaded rod 27, so that one side of the matching fixing block 25 can be pressed tightly, thus achieving the sealing between the cabinet body 1 and the cabinet door 24.

[0040] The use process of a novel cell storage cabinet provided by the utility model is as follows:

[0041] When the interior of the cabinet 1 is to be refrigerated, liquid nitrogen needs to be added to the interior of the carrier plate 3. Since two support frames 15 are fixed to the bottom of the carrier plate 3, both support frames 15 are fixed to the cabinet 1, a liquid inlet pipe 16 is fixed to one end of the carrier plate 3, and a liquid inlet valve 17 is arranged inside the liquid inlet pipe 16. An air outlet pipe 18 is fixed to the top of the carrier plate 3, and an air outlet valve 19 is arranged inside the air outlet pipe 18. A fan 20 is fixed to the bottom of one of the liquid nitrogen storage tanks 2, and the output end of the fan 20 is fixed to the driven bevel gear 8. Both ends of one side of the air outlet pipe 18 are fixed with a transmission pipe 21, and a plurality of air outlets 22 are provided inside the transmission pipe 21. Then, the liquid inlet valve 17 is opened to add liquid nitrogen from the liquid inlet pipe 16, and the liquid inlet valve 17 is closed after adding an appropriate dosage to prevent the liquid nitrogen from leaking. The air outlet valve 19 is opened, and the fan 20 is started. Through the operation of the fan 20, the vaporized nitrogen passes through the transmission pipe 21 and is finally dispersed to various places inside the cabinet 1 through the plurality of air outlets 22.

[0042] The principle of liquid nitrogen refrigeration is mainly to utilize the low temperature boiling point and vaporization heat absorption characteristics of liquid nitrogen, and to achieve the refrigeration effect by absorbing heat through the vaporization of liquid nitrogen. The device needs to have good sealing performance, otherwise it will cause nitrogen leakage and waste and poor refrigeration effect; since two hinges 23 are fixed inside one side of the cabinet 1, a cabinet door 24 is fixed at one end of the two hinges 23, and two matching fixing blocks 25 are fixed at one end of the cabinet door 24, two matching seats 26 are fixed at one end of the cabinet 1, and the matching fixing blocks 25 and the matching seats 26 are in corresponding positions, and the inside of the matching seat 26 is rotatably connected with a rotating threaded rod 27 through a pin, and the external thread of the rotating threaded rod 27 is threadedly connected with a fastening threaded cylinder 28 ; Then, the door handle 32 is pulled so that the door handle 32 drives the cabinet door 24, and the cabinet door 24 drives the matching fixing block 25 to rotate around the two hinges 23. At this time, the cabinet door 24 is in contact with one side of the cabinet body 1, and the fastening threaded cylinder 28 is held by hand, and the fastening threaded cylinder 28 drives the rotating threaded rod 27, and the rotating threaded rod 27 rotates around the pin inside the matching seat 26, so that one side of the fastening threaded cylinder 28 is in contact with the side of the matching fixing block 25 that is close to each other, and the fastening threaded cylinder 28 is rotated and tightened at the thread of the rotating threaded rod 27, so that one side of the matching fixing block 25 can be pressed, and the airtightness between the cabinet body 1 and the cabinet door 24 is achieved;

[0043] When it is convenient to store and access cell storage, a transmission rod 4 is rotatably connected to the inside of one side of the carrying plate 3, a rotating block 5 is fixed to one end of the transmission rod 4, and a rotating rod 6 is rotatably connected to the inside of the rotating block 5 through a pin, and a driving bevel gear 7 is fixed to the other end of the transmission rod 4, and a driven bevel gear 8 is meshedly connected to the outside of the driving bevel gear 7, and a first rotating column 9 is fixed to the top of the driven bevel gear 8, and a driving pinion 10 is fixed to the outside of the first rotating column 9, and a driven large gear 11 is meshedly connected to the outside of the driving pinion 10, and a rotating disk 12 is fixed to the top of the driven large gear 11, and a second rotating column 13 is fixed to the bottom of the driven large gear 11, and a limit ring 14 is fixed to the bottom of the rotating disk 12, and the rotating disk 12 and the limit ring 14 are fixed to the bottom. The rings 14 are all rotatably connected to the carrying plate 3, and the second rotating column 13 is also rotatably connected to the carrying plate 3; then the rotating rod 6 is rotated, the rotating rod 6 drives the rotating block 5 to rotate, the rotating block 5 drives the transmission rod 4, the transmission rod 4 drives the active bevel gear 7, the active bevel gear 7 drives the driven bevel gear 8, the driven bevel gear 8 drives the first rotating column 9 to rotate, the first rotating column 9 drives the active pinion 10 to rotate, the active pinion 10 drives the driven large gear 11 to rotate, the driven large gear 11 drives the turntable 12 to rotate, the turntable 12 drives the second rotating column 13 and the limit ring 14 to rotate, and the cell storage on the turntable 12 can be rotated to the side close to the cabinet door 24, which is convenient for the staff to place and take the cell storage;

[0044] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A new type of cell storage cabinet, characterized in that: The invention comprises a cabinet (1), a liquid nitrogen storage tank (2) and a bearing plate (3); the liquid nitrogen storage tank (2) is mounted on the inner bottom of the cabinet (1); a plurality of bearing plates (3) are fixed inside the cabinet (1); a convenient storage and access mechanism is mounted inside the bearing plate (3); and a refrigeration mechanism is mounted between the cabinet (1) and the liquid nitrogen storage tank (2); The convenient storage and access mechanism comprises a transmission rod (4), a rotating block (5), a rotating rod (6), a driving bevel gear (7), a driven bevel gear (8), and a first rotating column (9); the transmission rod (4) is rotatably connected to the inside of one side of the carrying plate (3); the rotating block (5) is fixed to one end of the transmission rod (4); the inside of the rotating block (5) is rotatably connected to the rotating rod (6) via a pin; the driving bevel gear (7) is fixed to the other end of the transmission rod (4); the driven bevel gear (8) is meshedly connected to the outside of the driving bevel gear (7); and the first rotating column (9) is fixed to the top of the driven bevel gear (8).

2. A novel cell storage cabinet according to claim 1, characterized in that: The convenient storage and access mechanism further comprises a driving pinion (10), a driven large gear (11), a rotating disk (12), a second rotating column (13) and a limiting ring (14); the driving pinion (10) is fixed to the outside of the first rotating column (9); the driven large gear (11) is meshedly connected to the outside of the driving pinion (10); the rotating disk (12) is fixed to the top of the driven large gear (11); the second rotating column (13) is fixed to the bottom of the driven large gear (11); the limiting ring (14) is fixed to the bottom of the rotating disk (12); the rotating disk (12) and the limiting ring (14) are both rotatably connected to the bearing plate (3); and the second rotating column (13) is also rotatably connected to the bearing plate (3).

3. A novel cell storage cabinet according to claim 1, characterized in that: The refrigeration mechanism comprises a support frame (15), a liquid inlet pipe (16), a liquid inlet valve (17), an air outlet pipe (18), an air outlet valve (19), a fan (20), a transmission pipe (21) and an air outlet (22); two support frames (15) are fixed to the bottom of the liquid nitrogen storage tank (2); the two support frames (15) are fixed to the cabinet (1); a liquid inlet pipe (16) is fixed to one end of the liquid nitrogen storage tank (2); the interior of the liquid inlet pipe (16) A liquid inlet valve (17) is provided, an air outlet pipe (18) is fixed on the top of the liquid nitrogen storage tank (2), an air outlet valve (19) is provided inside the air outlet pipe (18), a fan (20) is fixed on the bottom of one of the supporting plates (3), an output end of the fan (20) is fixed to the air outlet pipe (18), a conveying pipe (21) is fixed on one side of the air outlet pipe (18), and a plurality of air outlets (22) are provided inside the conveying pipe (21).

4. A novel cell storage cabinet according to claim 1, characterized in that: One side of the cabinet (1) is equipped with an opening and closing sealing mechanism, which comprises a hinge (23), a cabinet door (24), a matching fixing block (25), a matching seat (26), a rotating threaded rod (27) and a fastening threaded cylinder (28). Two hinges (23) are fixed inside one side of the cabinet (1), one end of the two hinges (23) is fixed with a cabinet door (24), one end of the cabinet door (24) is fixed with two matching fixing blocks (25), one end of the cabinet door (24) is fixed with two matching seats (26), the matching fixing blocks (25) and the matching seats (26) are positioned correspondingly, the inside of the matching seat (26) is rotatably connected with a rotating threaded rod (27) through a pin, and the outside of the rotating threaded rod (27) is threadedly connected with a fastening threaded cylinder (28).

5. A novel cell storage cabinet according to claim 1, characterized in that: A plurality of lighting lamps (29) are fixed to one side of the interior of the cabinet (1).

6. A novel cell storage cabinet according to claim 1, characterized in that: Anti-slip feet (30) are fixed to the four end corners of the bottom of the cabinet (1).

7. A novel cell storage cabinet according to claim 4, characterized in that: A sealing strip (31) is provided on one side of the cabinet body (1), and a door handle (32) is fixed to one end of one side of the cabinet door (24).

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