Stem cell storage partition frame

Abstract

The utility model relates to the technical field of stem cell storage, in particular to a stem cell storage partition frame which comprises a storage base, a storage barrel is horizontally arranged over the storage base, and a liquid nitrogen temperature control assembly matched with the storage barrel is arranged in the storage base. A closed disc is arranged on one end face of the storage barrel, a transition barrel matched with the storage barrel is arranged on the other end face of the storage barrel, a storing and taking piece is arranged at the end, away from the storage barrel, of the transition barrel, and a closed assembly is arranged in the transition barrel. A storage support assembly used for containing stem cell boxes is arranged in the storage cylinder, and a storage and taking assembly is arranged in the storage cylinder. The stem cell storage device integrates the technologies of isolation, sealing, temperature control, mechanical movement and the like, is an efficient and accurate stem cell storage solution, can effectively solve the problem of pain points of existing storage equipment through the advantages of efficient stem cell storage, temperature control, freezing storage, operation convenience, safety, reliability and the like, and improves the storage efficiency of stem cells. And the practicability is very high.

Description

Technical Field

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

[0002] Stem cells play an extremely important role in modern medicine. As a type of pluripotent cell in the human body, stem cells can differentiate into various cell types and thus be used in fields such as tissue engineering and cell therapy. The use of stem cells to treat a variety of diseases and injuries, including cardiovascular diseases, nervous system diseases, tumors, etc., has brought hope for many congenital or acquired diseases. Therefore, the application of stem cells is regarded as a major breakthrough in the medical field.

[0003] However, the application of stem cells requires the storage of a large number of active stem cells. The number of stem cells generated spontaneously in the body is limited, and large-scale in vitro stem cell culture requires a lot of resources. How to store a large number of stem cells for a long time while ensuring the activity of stem cells is a current technical challenge. In existing stem cell storage devices, the partitioning and isolation of stem cells is poorly sealed, resulting in mutual circulation of stem cells in different partitions; at the same time, the storage sealing of the partitioned stem cells is poor, and the outside air can come into contact with the internal stem cells, causing contamination and damage to the stem cells, resulting in a waste of time and resources.

[0004] How to solve the above technical problems is the subject faced by the present utility model. Summary of the invention

[0005] In order to address the deficiencies in the prior art, the utility model provides a rationally designed, safe and reliable stem cell storage, which solves the technical problems in the stem cell storage process through reasonable structural design and component coordination, and ensures the safe storage and effective use of stem cells through the principles of sealing, temperature control and ease of operation.

[0006] The utility model solves the technical problem by adopting the following technical solution: a stem cell storage partition rack, comprising a storage base, a storage cylinder is horizontally arranged just above the storage base, a support frame matched with the storage cylinder is arranged on the storage base, and a liquid nitrogen temperature control component matched with the storage cylinder is arranged in the storage base;

[0007] A closed disc is provided on one end surface of the storage tube, a transition tube cooperating with the storage tube is provided on the other end surface of the storage tube, a storage and access member cooperating with a stem cell box for storing stem cells is provided at one end of the transition tube away from the storage tube, and a sealed component cooperating with the storage tube is provided in the transition tube;

[0008] The storage tube is provided with a storage support assembly for placing the stem cell box, and the storage tube is provided with a storage and retrieval assembly cooperating with the sealing assembly, and the storage and retrieval assembly cooperates with the storage support assembly.

[0009] Furthermore, the storage cylinder includes an insulating outer cylinder, a temperature control cylinder cooperating with the liquid nitrogen temperature control component is coaxially arranged in the insulating outer cylinder, a plurality of temperature control holes cooperating with the liquid nitrogen temperature control component are opened on the temperature control cylinder, and a connecting support bracket connected to the temperature control cylinder is arranged on the insulating outer cylinder.

[0010] Further, the sealing component includes a sealing disk arranged on the transition cylinder, the sealing disk is provided with a storage slot cooperating with the storage and retrieval component, the storage slot is provided with a storage plate slidably cooperating with the storage slot, and the sealing disk is provided with a control hydraulic rod cooperating with the storage plate.

[0011] Furthermore, the storage bracket assembly includes a rotating shaft rotatably matched with the closed disc, the rotating shaft is evenly provided with a plurality of placement brackets along the axial direction of the rotating shaft, the placement bracket is evenly provided with a plurality of placement openings for placing stem cell boxes along the axial direction of the rotating shaft, the placement bracket is provided with a plurality of stable hydraulic rods matched with the stem cell boxes along the axial direction of the rotating shaft, and a driving motor matched with the rotating shaft is provided at one end of the rotating shaft.

[0012] Further, the storage and retrieval assembly includes a retrieval plate in the same direction as the axis of the rotating shaft, connecting plates are provided at both ends of the retrieval plate, a rotating sleeve colinear with the axis of the rotating shaft is provided at one end of the connecting plate away from the retrieval plate, one of the rotating sleeves is rotatably matched with the closed disc, the closed disc is provided with a rotating bearing matched with the rotating sleeve, and a rotating drive unit matched with the rotating bearing is provided on the closed disc;

[0013] The picking plate is provided with a horizontal telescopic groove which is consistent with the axial direction of the axis, the horizontal telescopic groove is provided with a picking bracket which is slidably matched with the horizontal telescopic groove, the picking plate is provided with a horizontal telescopic unit which is matched with the sealing component and is used to drive the picking bracket, the picking bracket is provided with a clamping telescopic rod which is consistent with the radial direction of the rotating shaft, and the moving end of the clamping telescopic rod is provided with a clamping unit which is matched with the stem cell box.

[0014] Specifically, the rotation drive unit includes a rotation motor disposed on the closed disc, and a linkage matched with the rotation sleeve is disposed at the output end of the rotation motor;

[0015] The clamping unit comprises a clamping frame arranged at the movable end of the clamping telescopic rod, and two groups of expansion telescopic rods cooperating with the stem cell box are symmetrically arranged on the clamping frame.

[0016] Furthermore, the horizontal telescopic unit includes a movable track opened on the picking plate and consistent with the length direction of the horizontal telescopic groove, a movable screw rod is arranged in the movable track, a movable clamping frame cooperating with the movable screw rod is arranged in the movable track, a movable groove sliding with the picking bracket is opened on the movable clamping frame, and a hydraulic rod cooperating with the picking bracket is arranged on the movable clamping frame.

[0017] Furthermore, the storage and retrieval member includes a storage and retrieval cylinder arranged at one end of the transition cylinder, a placing table is arranged in the storage and retrieval cylinder, a tight disc is arranged in the storage and retrieval cylinder, a delivery port is opened on the storage and retrieval cylinder, and a sealing ring cover is arranged at the delivery port.

[0018] Furthermore, the liquid nitrogen temperature control assembly includes a liquid nitrogen tank arranged on the storage base, the liquid nitrogen tank is provided with a connecting hose connected to the storage cylinder, the connecting hose is provided with a control valve, the storage cylinder is provided with a plurality of temperature sensors, the storage base is provided with a display bracket, the display bracket is provided with a control chip cooperating with the temperature sensor and the control valve, and the display bracket is provided with a display screen cooperating with the control chip.

[0019] Furthermore, a plurality of connecting branches connected to the connecting hose are evenly arranged on the storage cylinder along the axial direction of the storage cylinder; the transition cylinder is provided with a first branch connected to the connecting hose, and the storage and access cylinder is provided with a second branch connected to the connecting hose, and the first branch and the second branch are both provided with electromagnetic valves.

[0020] The utility model realizes efficient stem cell storage through structural design and component coordination. The airtight design of the storage cylinder and the transition cylinder can prevent the stem cells from external contamination and loss, ensuring the safety of the storage process. In addition, the design of the storage bracket component and the storage and retrieval component makes the storage and retrieval of stem cells more convenient and quick, improving the storage efficiency.

[0021] The temperature control cylinder and liquid nitrogen temperature control assembly of the utility model realize accurate temperature control of stem cells. The liquid nitrogen temperature control assembly monitors and maintains the appropriate temperature of liquid nitrogen by controlling the valve and temperature sensor, ensuring the long-term storage of stem cells in a frozen state. This frozen storage method can extend the shelf life of stem cells and maintain their biological characteristics and functions during the storage process.

[0022] The storage bracket assembly, storage and retrieval assembly and sealing assembly of the utility model are designed with the convenience of operation in mind. The storage bracket assembly makes the storage and retrieval of the stem cell box simple and convenient through the design of the rotating shaft and the placement bracket. The design of the retrieval plate and the retrieval bracket of the storage and retrieval assembly allows the stem cell box to be smoothly moved horizontally and retrieved between the storage cylinder and the transition cylinder. At the same time, the design of the sealing assembly ensures the sealing of the storage cylinder and the transition cylinder, providing a more stable and safe operating environment.

[0023] The utility model ensures the safety and reliability of stem cell storage by taking into account aspects such as airtight design, temperature control and ease of operation. The design of the airtight components prevents stem cells from external contamination and loss, and provides a safe storage environment. The accuracy of temperature control and the frozen storage method ensure that the quality and function of stem cells are not affected. The consideration of ease of operation makes the storage and retrieval process of stem cells more stable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0025] Figure 2 It is a top view of the utility model;

[0026] Figure 3 It is a schematic diagram of the AA section of the utility model;

[0027] Figure 4 It is a schematic diagram of the coordination of the temperature control cylinder, the storage bracket assembly and the storage and retrieval assembly of the utility model;

[0028] Figure 5 It is a schematic diagram of the storage bracket assembly and the storage and retrieval assembly of the utility model from a first perspective;

[0029] Figure 6 It is a schematic diagram of the storage bracket assembly and the storage and retrieval assembly of the utility model from a second viewing angle.

[0030] Among them, the accompanying drawings are marked as: 1. storage base; 21. storage cylinder; 211. insulation outer cylinder; 212. temperature control cylinder; 22. transition cylinder; 23. storage and retrieval piece; 231. storage and retrieval cylinder; 232. placement table; 233. tight disc; 3. support frame; 4. liquid nitrogen temperature control component; 41. display bracket; 42. display screen; 5. closed disc; 6. sealed component; 61. sealing disc; 62. storage slot; 63. storage plate; 7. storage bracket assembly; 71. rotating shaft; 72. placement bracket; 73. placement mouth; 74. stable hydraulic rod; 8. storage and retrieval component; 81. retrieval plate; 82. connecting plate; 83. rotating sleeve; 84. horizontal telescopic slot; 85. retrieval bracket; 86. horizontal telescopic unit; 861. movable track; 862. movable clamping frame; 87. clamping telescopic rod; 88. clamping unit. DETAILED DESCRIPTION

[0031] See also Figures 1 to 6 As shown, a stem cell storage partition rack comprises a storage base 1, a storage cylinder 21 is horizontally arranged just above the storage base, a support frame 3 cooperating with the storage cylinder is arranged on the storage base, and a liquid nitrogen temperature control component 4 cooperating with the storage cylinder is arranged in the storage base;

[0032] A closed disc 5 is provided at one end surface of the storage tube, a transition tube 22 cooperating with the storage tube is provided at the other end surface of the storage tube, a storage and access member 23 cooperating with a stem cell box for storing stem cells is provided at one end of the transition tube 22 away from the storage tube, and a sealed component 6 cooperating with the storage tube is provided in the transition tube 22;

[0033] The storage tube is provided with a storage support assembly 7 for placing stem cell boxes, and the storage tube is provided with a storage and retrieval assembly 8 that cooperates with the sealing assembly 6 , and the storage and retrieval assembly 8 cooperates with the storage support assembly 7 .

[0034] Specifically, through multi-level isolation and strict temperature control, the storage partition rack can effectively prevent the flow contact and contamination of stem cells during storage and retrieval, and realize the isolated and sealed storage of stem cells, thus solving the technical problems raised. In general, the internal temperature of the storage cylinder 21 is accurately controlled by the liquid nitrogen temperature control system; the storage and retrieval component 8 can accurately take and place the stem cell box at the specified position without destroying the isolation state; and the various components are sealed and matched by sliding, rotating, etc.

[0035] Furthermore, the storage cylinder includes an insulating outer cylinder 211, a temperature control cylinder 212 cooperating with the liquid nitrogen temperature control component 4 is coaxially arranged in the insulating outer cylinder 211, a plurality of temperature control holes cooperating with the liquid nitrogen temperature control component 4 are opened on the temperature control cylinder 212, and a connecting support bracket connected to the temperature control cylinder 212 is arranged on the insulating outer cylinder 211.

[0036] Further, the sealing component 6 includes a sealing disk 61 arranged on the transition cylinder 22, the sealing disk 61 is provided with a storage slot 62 cooperating with the storage and retrieval component 8, the storage slot 62 is provided with a storage plate 63 slidably cooperating with the storage slot 62, and the sealing disk is provided with a control hydraulic rod cooperating with the storage plate 63.

[0037] Furthermore, the storage bracket assembly 7 includes a rotating shaft 71 rotatably matched with the closed disc 5, and the rotating shaft 71 is evenly provided with a plurality of placement brackets 72 along the axial direction of the rotating shaft 71, and the placement bracket 72 is evenly provided with a plurality of placement openings 73 for placing stem cell boxes along the axial direction of the rotating shaft 71, and the placement bracket 72 is provided with a plurality of stable hydraulic rods 74 matched with the stem cell boxes along the axial direction of the rotating shaft 71, and a driving motor matched with the rotating shaft 71 is provided at one end of the rotating shaft 71.

[0038] Preferably, one end of the rotating shaft 71 is rotatably matched with the sealing disk 61 , and a fixing frame matched with the driving motor is provided on the sealing disk 61 , and the driving motor is provided on the fixing frame.

[0039] Further, the storage and retrieval assembly 8 includes a retrieval plate 81 which is in the same direction as the axis of the rotating shaft 71, and connecting plates 82 are provided at both ends of the retrieval plate 81. A rotating sleeve 83 which is colinear with the axis of the rotating shaft 71 is provided at one end of the connecting plate 82 which is away from the retrieval plate 81, and one of the rotating sleeves 83 is rotatably matched with the closed disc 5, and the closed disc 5 is provided with a rotating bearing matched with the rotating sleeve 83, and a rotating driving unit matched with the rotating bearing is provided on the closed disc 5;

[0040] The picking plate 81 is provided with a horizontal telescopic groove 84 which is consistent with the axial direction of the axis, and the horizontal telescopic groove 84 is provided with a picking bracket 85 which is slidably matched with the horizontal telescopic groove 84. The picking plate 81 is provided with a horizontal telescopic unit 86 which is matched with the sealing component and is used to drive the picking bracket 85. The picking bracket 85 is provided with a clamping telescopic rod 87 which is consistent with the radial direction of the rotating shaft 71, and the moving end of the clamping telescopic rod 87 is provided with a clamping unit 88 which is matched with the stem cell box.

[0041] Specifically, the rotation driving unit includes a rotation motor disposed on the closed disc 5, and a linkage matched with the rotation sleeve 83 is disposed at the output end of the rotation motor;

[0042] The clamping unit 88 includes a clamping frame arranged at the moving end of the clamping telescopic rod 87, and two groups of expansion telescopic rods cooperating with the stem cell box are symmetrically arranged on the clamping frame.

[0043] Preferably, the clamping unit 88 may also be configured as a mechanical clamping claw, and the mechanical clamping claw belongs to the prior art and will not be elaborated in detail.

[0044] Furthermore, the horizontal telescopic unit 86 includes a movable rail 861 which is opened on the picking plate 81 and is consistent with the length direction of the horizontal telescopic groove 84. A movable screw rod is arranged in the movable rail 861. A movable clamping frame 862 which cooperates with the movable screw rod is arranged in the movable rail 861. A movable groove which slides with the picking bracket 85 is opened on the movable clamping frame 862. A hydraulic rod which cooperates with the picking bracket 85 is arranged on the movable clamping frame 862.

[0045] Furthermore, the access member 23 includes an access cylinder 231 disposed at one end of the transition cylinder 22, a placement table 232 is disposed in the access cylinder 231, a tight disc 233 is disposed in the access cylinder 231, a delivery port is opened on the access cylinder 231, and a sealing ring cover is disposed at the delivery port.

[0046] Furthermore, the liquid nitrogen temperature control component 4 includes a liquid nitrogen tank arranged on the storage base, the liquid nitrogen tank is provided with a connecting hose connected to the storage cylinder 21, the connecting hose is provided with a control valve, the storage cylinder 21 is provided with a plurality of temperature sensors, the storage base is provided with a display bracket 41, the display bracket 41 is provided with a control chip cooperating with the temperature sensor and the control valve, and the display bracket 41 is provided with a display screen 42 cooperating with the control chip.

[0047] Furthermore, the storage cylinder 21 is provided with a plurality of connecting branches connected to the connecting hose evenly along the axial direction of the storage cylinder 21; the transition cylinder 22 is provided with a first branch connected to the connecting hose, and the access cylinder 231 is provided with a second branch connected to the connecting hose, and the first branch and the second branch are both provided with electromagnetic valves.

[0048] In general, the stem cell storage partition rack achieves isolation and sealing of the stem cell storage space by designing multiple sealed components. The entire storage cylinder 21 is composed of a heat-insulating outer cylinder 211 and a temperature-control cylinder 212, which is connected to a liquid nitrogen temperature control system to accurately control the temperature and provide a stable low-temperature environment to prevent the activity of stem cells from decreasing. During the retrieval process, the storage plate 63 can seal the storage slot 62 to completely isolate the inner and outer spaces. Among them, a sealed component 6 is provided between the transition cylinder 22 and the storage cylinder to achieve isolation between the two storage spaces.

[0049] Each storage bracket is provided with a plurality of placement ports 73 for placing different stem cell boxes, thereby realizing isolation between stem cell boxes. At the same time, each placement port 73 is equipped with a stable hydraulic rod 74, which can fix the stem cell box to prevent flow. The stem cells are placed in the storage bracket assembly 7 through the stem cell box. The storage bracket assembly 7 is composed of a rotating shaft 71 and a placement bracket 72. The stem cell box is placed in the storage tube by the rotation of the driving motor. The storage and retrieval assembly 8 includes a retrieval plate 81, a retrieval bracket 85, a clamping telescopic rod 87, etc., which can be telescopically moved to accurately grasp the specified stem cell box and avoid contact between the stem cell boxes. The storage tube is a sealed container, including an insulating outer tube 211 and a temperature control tube 212. The temperature control tube 212 is connected to the liquid nitrogen temperature control assembly 4, and the frozen storage of stem cells is realized by the temperature control of liquid nitrogen.

[0050] When storing stem cells, the stem cell box is taken out from the storage tube through the taking plate 81 of the storage and taking component 8. The transition tube 22 connects the storage tube and the stem cell box storage and retrieval component 23, wherein the storage and retrieval component 23 includes a storage and retrieval tube 231 and a placement table 232, which is used to facilitate the storage and retrieval of stem cells. The closed component 6 includes a sealing disk 61, a storage slot 62 and a control hydraulic rod, which realizes the opening and closing and isolation functions through sliding cooperation, and is used to ensure the sealing of the storage tube and the transition tube 22. The liquid nitrogen temperature control component 4 is composed of a liquid nitrogen tank, a connecting hose, a control valve, a temperature sensor, a control chip and a display screen 42. The supply of liquid nitrogen and the monitoring of temperature are realized by controlling the valve and the temperature sensor, and the temperature information is displayed through the display screen 42.

[0051] Technical features not described in the present invention can be achieved through or by adopting existing technologies and will not be described in detail here. Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention should also fall within the scope of protection of the present invention.

Claims

1. A stem cell storage partition rack, characterized in that: It comprises a storage base (1), a storage cylinder (21) is horizontally arranged directly above the storage base, a support frame (3) matched with the storage cylinder is arranged on the storage base, and a liquid nitrogen temperature control component (4) matched with the storage cylinder is arranged in the storage base; A closed disc (5) is disposed on one end surface of the storage tube, a transition tube (22) cooperating with the storage tube is disposed on the other end surface of the storage tube, a storage and access member (23) cooperating with a stem cell box for storing stem cells is disposed at one end of the transition tube (22) away from the storage tube, and a sealed component (6) cooperating with the storage tube is disposed in the transition tube (22); The storage tube is provided with a storage support assembly (7) for placing the stem cell box, and the storage tube is provided with a storage and retrieval assembly (8) that cooperates with the sealing assembly (6), and the storage and retrieval assembly (8) cooperates with the storage support assembly (7).

2. A stem cell storage partition rack as claimed in claim 1, characterized in that: The storage cylinder comprises a heat-insulating outer cylinder (211), a temperature-control cylinder (212) cooperating with the liquid nitrogen temperature-control component (4) being coaxially arranged in the heat-insulating outer cylinder (211), a plurality of temperature-control holes cooperating with the liquid nitrogen temperature-control component (4) being provided on the temperature-control cylinder (212), and a connection support bracket connected with the temperature-control cylinder (212) being provided on the heat-insulating outer cylinder (211).

3. A stem cell storage partition rack as claimed in claim 1, characterized in that: The sealing component (6) includes a sealing disk (61) arranged on the transition cylinder (22), the sealing disk (61) is provided with a storage slot (62) cooperating with the storage and retrieval component (8), a storage plate (63) slidably cooperating with the storage slot (62) is arranged in the storage slot (62), and a control hydraulic rod cooperating with the storage plate (63) is arranged on the sealing disk.

4. A stem cell storage partition rack as claimed in claim 1, characterized in that: The storage bracket assembly (7) includes a rotating shaft (71) rotatably matched with the closed disc (5); the rotating shaft (71) is provided with a plurality of placement brackets (72) evenly arranged along the axial direction of the rotating shaft (71); the placement bracket (72) is provided with a plurality of placement openings (73) for placing stem cell boxes evenly arranged along the axial direction of the rotating shaft (71); the placement bracket (72) is provided with a plurality of stable hydraulic rods (74) matched with the stem cell boxes along the axial direction of the rotating shaft (71); and a driving motor matched with the rotating shaft (71) is provided at one end of the rotating shaft (71).

5. A stem cell storage partition rack as claimed in claim 4, characterized in that: The storage and retrieval assembly (8) comprises a retrieval plate (81) which is in the same direction as the axis of the rotating shaft (71), connecting plates (82) are provided at both ends of the retrieval plate (81), and a rotating sleeve (83) which is colinear with the axis of the rotating shaft (71) is provided at one end of the connecting plate (82) which is away from the retrieval plate (81), wherein one of the rotating sleeves (83) is rotatably matched with the closed disc (5), the closed disc (5) is provided with a rotating bearing matched with the rotating sleeve (83), and the closed disc (5) is provided with a rotating drive unit matched with the rotating bearing; The picking plate (81) is provided with a horizontal telescopic groove (84) which is consistent with the axial direction of the axis, and a picking bracket (85) which is slidably matched with the horizontal telescopic groove (84) is arranged in the horizontal telescopic groove (84). The picking plate (81) is provided with a horizontal telescopic unit (86) which is matched with the sealing component and is used to drive the picking bracket (85). The picking bracket (85) is provided with a clamping telescopic rod (87) which is consistent with the radial direction of the rotating shaft (71), and a clamping unit (88) which is matched with the stem cell box is arranged at the movable end of the clamping telescopic rod (87).

6. A stem cell storage partition rack as claimed in claim 5, characterized in that: The rotary drive unit comprises a rotary motor arranged on the closed disc (5), and a linkage cooperating with the rotary sleeve (83) is arranged at the output end of the rotary motor; The clamping unit (88) comprises a clamping frame arranged at the movable end of the clamping telescopic rod (87), and two groups of expansion telescopic rods cooperating with the stem cell box are symmetrically arranged on the clamping frame.

7. A stem cell storage partition rack as claimed in claim 5, characterized in that: The horizontal telescopic unit (86) includes a movable track (861) which is opened on the picking plate (81) and is consistent with the length direction of the horizontal telescopic slot (84); a movable screw rod is arranged in the movable track (861); a movable clamping frame (862) which cooperates with the movable screw rod is arranged in the movable track (861); a movable slot which slides with the picking bracket (85) is opened on the movable clamping frame (862); and a hydraulic rod which cooperates with the picking bracket (85) is arranged on the movable clamping frame (862).

8. The stem cell storage partition rack according to claim 1, characterized in that: The storage and retrieval member (23) comprises a storage and retrieval tube (231) arranged at one end of the transition tube (22), a placement table (232) being arranged in the storage and retrieval tube (231), a tight disc (233) being arranged in the storage and retrieval tube (231), a delivery port being opened on the storage and retrieval tube (231), and a sealing ring cover being arranged at the delivery port.

9. A stem cell storage partition rack as claimed in claim 8, characterized in that: The liquid nitrogen temperature control component (4) comprises a liquid nitrogen tank arranged on the storage base, the liquid nitrogen tank is provided with a connecting hose connected to the storage cylinder (21), the connecting hose is provided with a control valve, the storage cylinder (21) is provided with a plurality of temperature sensors, the storage base is provided with a display bracket (41), the display bracket (41) is provided with a control chip cooperating with the temperature sensor and the control valve, and the display bracket (41) is provided with a display screen (42) cooperating with the control chip.

10. A stem cell storage partition rack as claimed in claim 9, characterized in that: The storage cylinder (21) is provided with a plurality of connecting branch pipes connected to the connecting hose evenly along the axial direction of the storage cylinder (21); the transition cylinder (22) is provided with a first branch pipe connected to the connecting hose, and the access cylinder (231) is provided with a second branch pipe connected to the connecting hose, and the first branch pipe and the second branch pipe are both provided with electromagnetic valves.

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