Cryopreservation rack for low-temperature storage of peripheral blood immune cells

Abstract

The utility model discloses a cryopreservation shelf for the low temperature storage of peripheral blood immune cells in the technical field of cell storage, including storage shelf, cavity and cell shelf, the right side of cell shelf is provided with the card slot, the storage shelf is provided with the mounting hole, the left side of the mounting hole is provided with the through slot, the through slot is provided with the locating piece, and the locating piece is provided with the locating piece. Mounting openings are formed in the upper inner wall and the lower inner wall of the through groove, a push plate is arranged on the positioning block, a first spring is arranged on the left side of the push plate, a square positioning column is arranged at the top in the mounting hole, a sleeve sleeves the square positioning column, a square hole is formed in the middle of the sleeve, and the square positioning column is sleeved with the square hole formed in the sleeve; and the casing pipe and the rotating rod are fixed, so that the cell placement rack is fixed without loosening in the placement process.

Description

Technical Field

[0001] The utility model relates to the technical field of cell storage, in particular to a freezing rack for cryopreserving peripheral blood immune cells at low temperature. Background Technique

[0002] Immune cells need to be cryopreserved. For the storage of immune cells, a storage rack is required to place and fix the immune cells. For example, in a cell freezing storage rack (patent number: CN202020517801.6) disclosed in Chinese patent literature, a cell storage box is fixed by a limiting plate clamping a fixing column, and the limiting plate is pushed by a joystick to release the fixation of the cell storage box. Since the positioning column, the limiting plate and the joystick are all external, if one cell storage box is placed or taken out, it is easy to touch other joysticks, affecting the fixing stability of other cell storage boxes.

[0003] Therefore, we propose a freezing rack for cryopreserving peripheral blood immune cells at low temperature Content of the Utility Model

[0004] The purpose of the utility model is to provide a freezing rack for cryopreserving peripheral blood immune cells at low temperature, so as to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A freezing rack for cryopreserving peripheral blood immune cells at low temperature, including a storage rack, a cavity and a cell placement rack. A card slot is arranged on the right side of the cell placement rack. Mounting holes are arranged on the storage rack. A through groove is arranged on the left side of the mounting hole. A positioning block is arranged in the through groove. Mounting ports are arranged on the upper and lower inner walls of the through groove. A push plate is arranged on the positioning block. A first spring is arranged on the left side of the push plate. A square positioning column is arranged at the top inside the mounting hole. A sleeve is sleeved on the square positioning column. A square hole is arranged in the middle of the sleeve. A rotating rod is arranged at the bottom of the sleeve. A fixing rod is arranged in the middle of the mounting hole. A second spring is arranged at the top of the fixing rod. A push block is arranged on the rotating rod. A through hole is arranged at the bottom of the mounting hole.

[0006] Preferably, the push plate is fixed on the positioning block, and the push plate extends into the mounting port.

[0007] Preferably, the right end of the positioning block is arc-shaped, and the push block is fan-shaped.

[0008] Preferably, the rotating rod passes through the fixing rod, and a hole matching the rotating rod is arranged on the fixing rod.

[0009] Preferably, the bottom end of the rotating rod passes through the through hole, and a handle is arranged at the bottom end of the rotating rod.

[0010] Preferably, the second spring is sleeved on the rotating rod, and the top end of the rotating rod is fixedly connected to the sleeve.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: The pushing block provided on the rotating rod rotates with the rotating rod, the pushing block pushes the positioning block to move, the positioning block catches the card slot provided on the cell placement rack, and fixes the cell placement rack. When the rotating rod is released, the second spring pushes the sleeve upward, and the square hole provided on the sleeve sleeves the square positioning post to fix the sleeve and the rotating rod, so that the fixation of the cell placement rack during placement will not become loose. Description of the Drawings

[0012] Figure 1 is a schematic structural diagram of the present utility model;

[0013] Figure 2 is a schematic structural diagram of the fixing mechanism of the present utility model;

[0014] Figure 3 is a schematic structural diagram of the positioning block and the pushing block of the present utility model.

[0015] In the figure: 1, storage rack; 2, cavity; 3, cell placement rack; 4, card slot; 5, mounting hole; 6, through slot; 7, positioning block; 8, mounting opening; 9, first spring; 10, push plate; 11, square positioning post; 12, sleeve; 13, square hole; 14, rotating rod; 15, fixing rod; 16, second spring; 17, pushing block; 18, through hole. Specific Embodiments

[0016] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0017] Please refer to Figures 1-3, the present utility model provides a technical solution: a freezing rack for low-temperature storage of peripheral blood immune cells, which includes a storage rack 1, a cavity 2 and a cell placement rack 3. A card slot 4 is provided on the right side of the cell placement rack 3, an installation hole 5 is provided on the storage rack 1, a through slot 6 is provided on the left side of the installation hole 5, a positioning block 7 is provided in the through slot 6, installation ports 8 are provided on the upper and lower inner walls of the through slot 6, a push plate 10 is provided on the positioning block 7, a first spring 9 is provided on the left side of the push plate 10, a square positioning column 11 is provided at the top inside the installation hole 5, a sleeve 12 is sleeved on the square positioning column 11, a square hole 13 is provided in the middle of the sleeve 12, a rotating rod 14 is provided at the bottom of the sleeve 12, a fixing rod 15 is provided in the middle of the installation hole 5, a second spring 16 is provided at the top of the fixing rod 15, a pushing block 17 is provided on the rotating rod 14, and a through hole 18 is provided at the bottom of the installation hole 5. For placing and fixing the cell placement rack 3, the cell placement rack 3 is placed into the cavity 2 provided on the storage rack 1. Pull the rotating rod 14, the rotating rod 14 drives the sleeve 12 to move downward, the sleeve 12 disengages from the square positioning column 11, turn the rotating rod 14 to the left. After turning the rotating rod 14 by 180 degrees, the pushing block 14 provided on the rotating rod 14 rotates with the rotating rod 14, and the pushing block 17 pushes the positioning block 7 to move, and the positioning block 7 catches the card slot 4 provided on the cell placement rack 3 to fix the cell placement rack 3. Release the rotating rod 14, and the second spring 16 pushes the sleeve 12 to move upward, and the square hole 13 provided on the sleeve 12 sleeves the square positioning column 11 to fix the sleeve 12 and the rotating rod 14, so that the fixation of the cell placement rack 3 during placement will not become loose, making the fixation of the cell placement rack 3 more stable. And when it is necessary to take out the cell placement rack 3, repeat the above operation, just turn the rotating rod 14 in the reverse direction, the rotating rod 14 releases the fixation of the positioning block 7, and the first spring 9 drives the positioning block 7 to move away from the card slot 4 by pushing the push plate 10, releasing the fixation of the cell placement rack 3, so as to quickly take out the cell placement rack 3.

[0018] Among them, the push plate 10 is fixed on the positioning block 7, the push plate 10 extends into the installation port 8, and the first spring 9 pushes the push plate 10 to drive the positioning block 7 to move;

[0019] The right end of the positioning block 7 is provided with an arc, the pushing block 17 is set as a sector. During the process of the rotating rod 14 driving the pushing block 17 to rotate, the rotating rod 14 passes through the fixing rod 15, and a hole matching the rotating rod 14 is provided on the fixing rod 15. The pushing block 17 pushes the positioning block 7 to move to catch the card slot 4 to fix the cell placement rack 3;

[0020] The bottom end of the rotating rod 14 passes through the through hole 18, and a handle is provided at the bottom end of the rotating rod 14. It is easier to pull and rotate the rotating rod 14 through the handle;

[0021] The second spring 16 is sleeved on the rotating rod 14, and the top end of the rotating rod 14 is fixedly connected to the sleeve 12.

[0022] Working principle: Place the cell placement rack 3 into the cavity 2 provided on the storage rack 1. Pull the rotating rod 14, and the rotating rod 14 drives the sleeve 12 to move downward. The sleeve 12 disengages from the square positioning post 11. Rotate the rotating rod 14 to the left. After rotating the rotating rod 14 by 180 degrees, the pushing block 14 provided on the rotating rod 14 rotates with the rotating rod 14. The pushing block 17 pushes the positioning block 7 to move. The positioning block 7 catches the card slot 4 provided on the cell placement rack 3 to fix the cell placement rack 3. Release the rotating rod 14, and the second spring 16 pushes the sleeve 12 to move upward. The square hole 13 provided on the sleeve 12 sleeves the square positioning post 11 to fix the sleeve 12 and the rotating rod 14, so that the fixation of the cell placement rack 3 during placement will not become loose, making the fixation of the cell placement rack 3 more stable. And when it is necessary to take out the cell placement rack 3, repeat the above operation. Just rotate the rotating rod 14 in the reverse direction. The rotating rod 14 disengages from the fixation of the positioning block 7. The first spring 9 drives the positioning block 7 to move away from the card slot 4 by pushing the push plate 10, releasing the fixation of the cell placement rack 3, so as to quickly take out the cell placement rack 3.

[0023] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A freezing rack for low-temperature storage of peripheral blood immune cells, comprising a storage rack (1), a cavity (2) and a cell placement rack (3), characterized in that: The cell placement rack (3) is provided with a card slot (4) on the right side, the storage rack (1) is provided with a mounting hole (5), the mounting hole (5) is provided with a through slot (6) on the left side, a positioning block (7) is provided in the through slot (6), the upper and lower inner walls of the through slot (6) are provided with mounting openings (8), a push plate (10) is provided on the positioning block (7), a first spring (9) is provided on the left side of the push plate (10), a square positioning column (11) is provided at the top of the mounting hole (5), a sleeve (12) is sleeved on the square positioning column (11), a square hole (13) is provided in the middle of the sleeve (12), a rotating rod (14) is provided at the bottom of the sleeve (12), a fixing rod (15) is provided in the middle of the mounting hole (5), a second spring (16) is provided at the top of the fixing rod (15), a pushing block (17) is provided on the rotating rod (14), and a through hole (18) is provided at the bottom of the mounting hole (5).

2. A freezing rack for low-temperature storage of peripheral blood immune cells according to claim 1, characterized in that: The push plate (10) is fixed on the positioning block (7), and the push plate (10) extends into the installation opening (8).

3. A freezing rack for low-temperature storage of peripheral blood immune cells according to claim 1, characterized in that: The right end of the positioning block (7) is arranged in an arc shape, and the pushing block (17) is arranged in a fan shape.

4. A freezing rack for low-temperature storage of peripheral blood immune cells according to claim 1, characterized in that: The rotating rod (14) passes through the fixing rod (15), and the fixing rod (15) is provided with a hole that matches the rotating rod (14).

5. A freezing rack for low-temperature storage of peripheral blood immune cells according to claim 1, characterized in that: The bottom end of the rotating rod (14) passes through the through hole (18), and a handle is provided at the bottom end of the rotating rod (14).

6. A freezing rack for low-temperature storage of peripheral blood immune cells according to claim 1, characterized in that: The second spring (16) is sleeved on the rotating rod (14), and the top end of the rotating rod (14) is fixedly connected to the sleeve (12).

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