Cryopreservation plate frame lifting basket structure for liquid nitrogen tank

Abstract

The utility model relates to the technical field of medical biological machinery, and discloses a cryopreservation plate rack lifting basket structure for a liquid nitrogen tank, which comprises the liquid nitrogen tank, the inner wall of the liquid nitrogen tank is fixedly connected with a fixed annular frame, the surface of the fixed annular frame is in contact with a hook, the bottom of the hook is fixedly connected with a fixed shaft, and the fixed shaft is fixedly connected with a handle. The bottom of the fixing shaft is fixedly connected with a threaded column, the surface of the threaded column is in threaded connection with a bolt, an upper plate penetrates through the surface of the fixing shaft, and the bottom of the upper plate is fixedly connected with a connecting shaft. The liquid nitrogen tank is arranged, the fixed annular frame is arranged in the liquid nitrogen tank and can be firmly connected to the inner wall, the hooks making contact with the fixed annular frame are connected with the fixed shaft, a plurality of hooks and parts below the hooks can be installed on the surface of the fixed annular frame, the placement space is increased, and then the fixed shaft is matched with the bolt at the bottom through the threaded column, so that the liquid nitrogen tank can be firmly connected to the inner wall. And due to the arrangement of the bolts, the parts on the upper portion and the lower portion can be rapidly replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of medical biomechanics, in particular to a freezing plate rack basket structure for a liquid nitrogen tank. Background Art

[0002] A liquid nitrogen tank is a cryogenic container specifically designed to store liquid nitrogen. Liquid nitrogen is nitrogen gas liquefied at extremely low temperatures and is commonly used for cryopreservation of biological samples, medical treatment, food processing, and other applications. Liquid nitrogen tanks are typically made of high-quality stainless steel.

[0003] In the prior art, since the freezing rack structure inside some liquid nitrogen tanks is relatively fixed, the freezing rack below may need to be replaced during long-term use, which makes it difficult to replace according to demand. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a freezing plate rack basket structure for a liquid nitrogen tank.

[0005] The utility model is implemented by the following technical solutions: a freezing plate rack basket structure for a liquid nitrogen tank, comprising a liquid nitrogen tank, an inner wall of the liquid nitrogen tank fixedly connected to a fixed annular rack, a surface of the fixed annular rack in contact with a hook, a bottom of the hook fixedly connected to a fixed shaft, a bottom of the fixed shaft fixedly connected to a threaded column, a surface of the threaded column threadedly connected to a bolt, a surface of the fixed shaft penetrated by an upper plate, a bottom of the upper plate fixedly connected to a connecting shaft, and a bottom of the connecting shaft fixedly connected to a bottom plate.

[0006] As a further improvement of the above solution, the bottom of the bottom plate contacts the inner bottom wall of the liquid nitrogen tank, and there are four connecting shafts, which are located at the four corners of the top of the bottom plate.

[0007] As a further improvement of the above solution, the threaded column is threadedly connected to the upper plate via bolts, and the upper plate is located inside the liquid nitrogen tank.

[0008] Through the above technical solution, by setting up a fixed ring frame and cooperating the hooks on the fixed ring frame with the parts below, not only the storage space is increased, but the number of hooks can also be flexibly adjusted according to needs, thereby improving the utilization rate of the internal space of the liquid nitrogen tank and significantly increasing the storage capacity of the sample.

[0009] As a further improvement of the above solution, a mounting plate is fixedly connected to the surface of the connecting shaft, a baffle is fixedly connected to the top of the mounting plate, and a limiting frame is fixedly connected to the inner surface of the baffle.

[0010] As a further improvement of the above solution, there are two mounting plates, and the two mounting plates are located on the surface of the connecting shaft.

[0011] Through the above technical solution, by setting the mounting plate, the setting of the limiting frame and the limiting holes on the mounting plate, the stability of sample containers such as test tubes when placed is ensured, and the test tubes are prevented from being displaced or tipped over in the liquid nitrogen tank.

[0012] As a further improvement of the above solution, a limiting hole is provided on the top of the mounting plate, and an upper cover plate is threadedly connected to the surface of the liquid nitrogen tank.

[0013] As a further improvement of the above solution, the number of the limiting holes is set to be several, and the several limiting holes are opened on the top of the mounting plate and the bottom plate.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The utility model sets a liquid nitrogen tank, and a fixed annular frame is provided inside the liquid nitrogen tank, which can be firmly connected to the inner wall. The hook in contact with the annular frame is connected to the fixed shaft. A plurality of hooks and parts below can be installed on the surface of the fixed annular frame to increase the placement space, and then the fixed shaft is stably connected to the upper plate through the cooperation of the threaded column and the bolt at the bottom. The setting of the bolt can quickly replace the parts above and below. The bottom of the upper plate is connected to the bottom plate through the connecting shaft to realize the fixation of the overall frame. There are four connecting shafts in total, which are evenly distributed at the four corners of the bottom plate to ensure the balance and stability of the upper plate and the bottom plate. The inner bottom wall of the liquid nitrogen tank is in contact with the mounting plate, and the parts above can be placed. A mounting plate is fixed on the connecting shaft. There are two mounting plates in total. For uniform distribution, the baffle on the top of each mounting plate works together with the limit frame, and the test tube can be placed from the gap of the limit frame to ensure the stability of the test tube when placed. Several limit holes are provided on the top of the mounting plate and the bottom plate, which can limit the lower surface of the test tube to ensure the stability of the test tube when placed, further enhancing the fixation of the test tube and ensuring the stable positioning of the freezing plate rack in the liquid nitrogen tank. Even during transportation, the structure can remain intact to avoid damage to the sample caused by shaking.

[0016] The utility model provides a liquid nitrogen tank, and the upper cover of the liquid nitrogen tank is connected by a thread, which simplifies the operation steps of the liquid nitrogen tank, facilitates scientific researchers to quickly open and close it, saves time, and reduces cold air leakage, thereby ensuring the continuity of the experiment and the effective use of liquid nitrogen. At the same time, it is convenient for operators to open and close it safely. The entire structural design not only ensures the safe storage of samples in liquid nitrogen, but also greatly improves the efficiency and convenience of extraction and storage. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2This is a schematic diagram of the structure of the upper cover plate of the utility model;

[0019] Figure 3 This is a schematic diagram of the upper plate structure of the utility model;

[0020] Figure 4 This is a schematic cross-sectional view of the overall structure of the utility model;

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

[0022] Figure 6 for Figure 4 A magnified schematic diagram of the structure in the middle.

[0023] Description of main symbols:

[0024] 1. Liquid nitrogen tank; 2. Fixed ring frame; 3. Hook; 4. Fixed shaft; 5. Bolt; 6. Upper plate; 7. Mounting plate; 8. Baffle; 9. Limiting frame; 10. Limiting hole; 11. Connecting shaft; 12. Bottom plate; 13. Upper cover plate; 14. Threaded column. DETAILED DESCRIPTION

[0025] Below, the present invention is further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments. Example

[0026] Please combine Figure 1-6 , a freezing plate rack basket structure for a liquid nitrogen tank of this embodiment includes a liquid nitrogen tank 1, a fixed annular frame 2 is fixedly connected to the inner wall of the liquid nitrogen tank 1, a hook 3 is in contact with the surface of the fixed annular frame 2, a fixed shaft 4 is fixedly connected to the bottom of the hook 3, a threaded column 14 is fixedly connected to the bottom of the fixed shaft 4, a bolt 5 is threadedly connected to the surface of the threaded column 14, an upper plate 6 is passed through the surface of the fixed shaft 4, a connecting shaft 11 is fixedly connected to the bottom of the upper plate 6, and a bottom of the connecting shaft 11 is fixedly connected to the bottom plate 12. The interior of the liquid nitrogen tank 1 is provided with a fixed annular frame 2 which can be firmly connected to the inner wall, and the hook 3 in contact with it is fixedly connected to the bottom of the hook 3. The fixed shaft 4 is connected, and multiple hooks 3 and the parts below can be installed on the surface of the fixed annular frame 2 to increase the placement space, and then the fixed shaft 4 is stably connected to the upper plate 6 through the cooperation of the threaded column 14 and the bolt 5 at the bottom. The setting of the bolt 5 can quickly replace the upper and lower parts. The bottom of the upper plate 6 is connected to the bottom plate 12 through the connecting shaft 11 to fix the entire frame. There are four connecting shafts 11, which are evenly distributed at the four corners of the bottom plate 12 to ensure the balance and stability of the upper plate 6 and the bottom plate 12. The bottom plate 12 is in contact with the inner bottom wall of the liquid nitrogen tank 1, and the parts above can be placed.

[0027] The bottom of the bottom plate 12 contacts the inner bottom wall of the liquid nitrogen tank 1 . There are four connecting shafts 11 , which are located at the four corners of the top of the bottom plate 12 .

[0028] The threaded column 14 is threadedly connected to the upper plate 6 via bolts 5 , and the upper plate 6 is located inside the liquid nitrogen tank 1 .

[0029] The surface of the connecting shaft 11 is fixedly connected to the mounting plate 7 , the top of the mounting plate 7 is fixedly connected to the baffle 8 , and the inner surface of the baffle 8 is fixedly connected to the limiting frame 9 .

[0030] There are two mounting plates 7 , and the two mounting plates 7 are located on the surface of the connecting shaft 11 .

[0031] A limiting hole 10 is provided on the top of the mounting plate 7, and an upper cover plate 13 is threadedly connected to the surface of the liquid nitrogen tank 1. A plurality of limiting holes 10 are provided on the top of the mounting plate 7 and the bottom plate 12, which can limit the lower surface of the test tube to ensure the stability of the test tube when placed, further enhance the fixation of the test tube, ensure the stable positioning of the freezing plate rack in the liquid nitrogen tank 1, and maintain the structural integrity even during transportation, avoiding damage to the sample due to shaking.

[0032] There are a number of limiting holes 10 , which are opened on the top of the mounting plate 7 and the bottom plate 12 .

[0033] The implementation principle of a freezing plate rack basket structure for a liquid nitrogen tank in the embodiment of the present application is as follows: a fixed annular frame 2 is provided inside the liquid nitrogen tank 1, which can be firmly connected to the inner wall, and the hook 3 in contact therewith is connected to the fixed shaft 4, and multiple hooks 3 and parts below can be installed on the surface of the fixed annular frame 2 to increase the placement space, and then the fixed shaft 4 is stably connected to the upper plate 6 through the cooperation of the threaded column 14 and the bolt 5 at the bottom. The setting of the bolt 5 can quickly replace the parts above and below, and the bottom of the upper plate 6 is connected to the bottom plate 12 through the connecting shaft 11 to achieve the fixation of the overall frame, wherein four connecting shafts 11 are provided, which are evenly distributed at the four corners of the bottom plate 12 to ensure the balance and stability of the upper plate 6 and the bottom plate 12, and the bottom plate 12 contacts the inner bottom wall of the liquid nitrogen tank 1, and the parts above can be placed, and a mounting plate 7 is fixed on the connecting shaft 11, and there are two mounting plates 7 for even distribution. The baffle 8 on the top of each mounting plate 7 works together with the limiting frame 9 to place the test tube in the gap of the limiting frame 9 to ensure the stability of the test tube when placed. The mounting plate 7 and the top of the bottom plate 12 are both provided with a number of limiting holes 10, which can limit the lower surface of the test tube to ensure the stability of the test tube when placed, further enhancing the fixation of the test tube and ensuring the stable positioning of the freezing plate rack in the liquid nitrogen tank 1. The structural integrity can be maintained even during transportation, avoiding damage to the sample caused by shaking. The upper cover plate 13 of the liquid nitrogen tank 1 is connected by a threaded connection, which simplifies the operation steps of the liquid nitrogen tank, facilitates scientific researchers to quickly open and close, saves time, and reduces cold air leakage, ensuring the continuity of the experiment and the effective use of liquid nitrogen, while facilitating the operator to safely open and close. The entire structural design not only ensures the safe storage of samples in liquid nitrogen, but also greatly improves the efficiency and convenience of extraction and storage.

[0034] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.

Claims

1. A freezing plate rack basket structure for a liquid nitrogen tank, characterized in that: The invention comprises a liquid nitrogen tank (1), wherein the inner wall of the liquid nitrogen tank (1) is fixedly connected to a fixed annular frame (2), the surface of the fixed annular frame (2) contacts a hook (3), the bottom of the hook (3) is fixedly connected to a fixed shaft (4), the bottom of the fixed shaft (4) is fixedly connected to a threaded column (14), the surface of the threaded column (14) is threadedly connected to a bolt (5), the surface of the fixed shaft (4) passes through an upper plate (6), the bottom of the upper plate (6) is fixedly connected to a connecting shaft (11), and the bottom of the connecting shaft (11) is fixedly connected to a bottom plate (12).

2. The freezing plate rack basket structure for a liquid nitrogen tank according to claim 1, characterized in that: The bottom of the bottom plate (12) contacts the inner bottom wall of the liquid nitrogen tank (1), and the number of the connecting shafts (11) is four, and the four connecting shafts (11) are located at the four corners of the top of the bottom plate (12).

3. The cryopreservation plate rack basket structure for a liquid nitrogen tank according to claim 1, characterized in that: The threaded column (14) is threadedly connected to the upper plate (6) via bolts (5), and the upper plate (6) is located inside the liquid nitrogen tank (1).

4. The cryopreservation plate rack basket structure for a liquid nitrogen tank according to claim 1, wherein: The surface of the connecting shaft (11) is fixedly connected to a mounting plate (7), the top of the mounting plate (7) is fixedly connected to a baffle (8), and the inner surface of the baffle (8) is fixedly connected to a limiting frame (9).

5. The freezing plate rack basket structure for a liquid nitrogen tank according to claim 4, characterized in that: The number of the mounting plates (7) is two, and the two mounting plates (7) are located on the surface of the connecting shaft (11).

6. The freezing plate rack basket structure for a liquid nitrogen tank according to claim 5, characterized in that: A limiting hole (10) is provided on the top of the mounting plate (7), and an upper cover plate (13) is threadedly connected to the surface of the liquid nitrogen tank (1).

7. The freezing plate rack basket structure for a liquid nitrogen tank according to claim 6, characterized in that: The number of the limiting holes (10) is set to be several, and the several limiting holes (10) are opened on the top of the mounting plate (7) and the bottom plate (12).

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