Liquid nitrogen container lifting spoon used in cell preparation process

Abstract

The utility model provides a liquid nitrogen tank lifting spoon used in a cell preparation process, which relates to the field of cell biology experiment equipment, and comprises a spoon cylinder and a hanging ring, and further comprises a telescopic rod and a protection plate arranged on the telescopic rod and used for preventing liquid nitrogen from splashing, one end of the telescopic rod is connected with the hanging ring, and the other end of the telescopic rod is connected with a placing plate. A spoon barrel is arranged on the placing plate; the length of the lifting spoon can be adjusted in a telescopic mode so that the lifting spoon can adapt to liquid nitrogen container extraction procedures with different liquid nitrogen storage amounts, safety protection on the hand in the extraction process is achieved, meanwhile, the protective plate further reduces the probability that the hand is frostbitten by splashing liquid nitrogen, and the using effect and safety of the lifting spoon are remarkably improved.

Description

Technical Field

[0001] The utility model relates to the field of cell biology experimental equipment, and more specifically, to a liquid nitrogen tank ladle for cell preparation process. Background Art

[0002] In cell biology experiments, liquid nitrogen is often used to cryopreserve cell samples. However, during the cell preparation process, it is necessary to frequently take out liquid nitrogen from the liquid nitrogen tank for cell processing.

[0003] Generally, there are two existing methods to extract liquid nitrogen from the liquid nitrogen tank. One method is to directly pour liquid nitrogen, in which case the operator is very likely to come into contact with liquid nitrogen and thus get frostbite. The other method is to use a ladle to immerse it into the liquid nitrogen tank and then extract liquid nitrogen through the ladle tube for subsequent cell preparation. However, the existing ladles generally have a fixed height and cannot be adjusted. Therefore, when extracting liquid nitrogen from a liquid nitrogen tank with less liquid nitrogen, the operator's hand needs to reach into the upper part of the liquid nitrogen tank, which is also not safe enough. In summary, the use effect and safety of the liquid nitrogen tank ladle need to be further improved. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the problems raised in the above background art, and then a liquid nitrogen tank ladle for cell preparation process is proposed.

[0005] The technical solution adopted by the utility model to solve its technical problems is as follows:

[0006] A liquid nitrogen tank ladle for cell preparation process includes a ladle tube and a hanging ring, and further includes a telescopic rod and a protection plate arranged on the telescopic rod to prevent liquid nitrogen from splashing. One end of the telescopic rod is connected with the hanging ring, and the other end of the telescopic rod is connected with a placement plate, and the ladle tube is arranged on the placement plate.

[0007] The ladle in this device can be adjusted in length to adapt to the extraction process of liquid nitrogen tanks with different liquid nitrogen storage capacities, realizing the safety protection of the hand during the extraction process. At the same time, the protection plate further reduces the probability of the hand being frostbitten by splashing liquid nitrogen, and the use effect and safety of the ladle are significantly improved.

[0008] Further, an anti-freezing sheath is sleeved on the telescopic rod, and the protection plate is arranged on the anti-freezing sheath.

[0009] In the above solution, the anti-freezing and frostbite protection sheath is made of silica gel or rubber, and the anti-freezing sheath tightly wraps around the outside of the telescopic rod, so that the operator is not easy to come into contact with liquid nitrogen when holding the anti-freezing sheath part, thus improving the safety during the liquid nitrogen extraction process.

[0010] Further, the shape of the protection plate is a flat plate.

[0011] Further, the shape of the protective plate is an arc-shaped plate.

[0012] For the above two-shaped protective plates, the probability of hand frostbite caused by splashing during the liquid nitrogen extraction process can be further reduced. The arc-shaped plate can make the protective plate cover the operator's hand more comprehensively, and the flat plate can reduce the processing difficulty.

[0013] Further, a V-shaped seat is provided on the telescopic rod. The main shape of the placing plate is L-shaped and a long bolt is provided on the placing plate. The long bolt is matched with the V-shaped seat for placing ladle barrels with different inner diameters.

[0014] In the above solution, when it is necessary to extract liquid nitrogen of other fixed volumes, it is necessary to replace other specifications of ladle barrels that match it. The design of the long bolt and the V-shaped seat can stably and quickly install different specifications of ladle barrels to complete the subsequent extraction operations of liquid nitrogen of different volumes.

[0015] Further, the ladle barrel is made of stainless steel.

[0016] In the above solution, the ladle barrel is made of stainless steel, ensuring that the ladle barrel will not deform or break when contacting liquid nitrogen and the edge of the ladle barrel is smooth to reduce the resistance during the liquid nitrogen extraction process.

[0017] Further, the antifreeze sheath is made of silicone or rubber and anti-slip lines are provided on the surface of the antifreeze sheath.

[0018] Compared with the prior art, the beneficial effects of the present utility model are:

[0019] Compared with the prior art, the ladle in this device can be adjusted in length to adapt to the extraction process of liquid nitrogen tanks with different liquid nitrogen storage capacities, realizing the safety protection of the hand during the extraction process. At the same time, the protective plate further reduces the probability of the hand being frostbitten by splashing liquid nitrogen, and the use effect and safety of the ladle are significantly improved. Description of the Drawings

[0020] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0021] Reference Signs:

[0022] 1. Telescopic rod; 11. Antifreeze sheath; 12. Hanging ring; 13. Protective plate; 14. V-shaped seat; 2. Placing plate; 21. Long bolt; 3. Ladle barrel. Detailed Embodiment

[0023] 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 of 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. The present utility model will be further described in conjunction with the accompanying drawings and embodiments:

[0024] As Figure 1 shown, a liquid nitrogen tank ladle for the cell preparation process includes a ladle tube 3 and a hanging ring 12. The ladle tube 3 is made of stainless steel, and further includes a telescopic rod 1 and a protective plate 13 provided on the telescopic rod 1 to prevent liquid nitrogen from splashing. One end of the telescopic rod 1 is connected to the hanging ring 12, and the other end of the telescopic rod 1 is connected to a placement plate 2. The ladle tube 3 is arranged on the placement plate 2.

[0025] First embodiment: The shape of the protective plate 13 is a flat plate;

[0026] Second embodiment: The shape of the protective plate 13 is an arc-shaped plate;

[0027] Both shapes of the protective plate 13 can further reduce the probability of hand frostbite caused by splashing during the liquid nitrogen extraction process. The arc-shaped plate can make the protective plate 13 cover the operator's hand more comprehensively, and the flat plate can reduce the processing difficulty.

[0028] The working process of the present utility model:

[0029] First, adjust the length of the telescopic rod 1 according to the remaining liquid nitrogen volume in the liquid nitrogen tank so that the operator's hand does not reach into the liquid nitrogen tank to complete the extraction. If the liquid nitrogen content is high, contract the telescopic rod 1; if the liquid nitrogen content is low, extend the telescopic rod 1. After adjustment, the operator holds the end of the telescopic rod 1 away from the liquid nitrogen tank, and can complete the immersion extraction process of liquid nitrogen through the ladle tube 3. During the entire extraction process, the distance between the hand and the liquid nitrogen tank is always maintained within the safe distance range, and the probability of frostbite is significantly reduced. The ladle tube 3 is made of a material with low temperature resistance and corrosion resistance, such as stainless steel, to ensure that the ladle tube 3 will not deform or break when contacting liquid nitrogen, and the edge of the ladle tube 3 is smooth to reduce the resistance during the liquid nitrogen extraction process. At the same time, a protective plate 13 is added to the telescopic rod 1 to reduce the probability of the hand being frostbitten by the splashed liquid nitrogen during the extraction process, with better safety; in addition, when the ladle is not in use, the ladle can be hung on the hook in the laboratory through the hanging ring 12 to avoid potential safety hazards caused by random placement.

[0030] Compared with the prior art, the ladle in the present device can be adjusted in length to adapt to the extraction process of liquid nitrogen tanks with different liquid nitrogen storage capacities, realizing the safety protection of the hand during the extraction process. At the same time, the protection plate 13 further reduces the probability of the hand being frostbitten by splashing liquid nitrogen, and the use effect and safety of the ladle are significantly improved.

[0031] In some embodiments, as Figure 1 shown, an anti-freezing sheath 11 is sleeved on the telescopic rod 1, and a protection plate 13 is arranged on the anti-freezing sheath 11;

[0032] For the further optimization of the above embodiment scheme, the anti-freezing sheath 11 is made of silica gel or rubber and the surface of the anti-freezing sheath 11 is provided with anti-slip lines; the anti-freezing injury sheath is made of a material with good heat insulation performance, such as silica gel or rubber and the anti-freezing sheath 11 tightly wraps around the outside of the telescopic rod 1, so that the operator is not easy to contact liquid nitrogen when holding the anti-freezing sheath 11 part, thereby improving the safety during the liquid nitrogen extraction process.

[0033] In other embodiments, as Figure 1 shown, two V-shaped seats 14 are arranged on the telescopic rod 1, the main shape of the placing plate 2 is L-shaped and a long bolt 21 is arranged on the placing plate 2, and the long bolt 21 is matched with the V-shaped seat 14 for placing ladle barrels 3 with different inner diameters; in this embodiment, when it is necessary to extract liquid nitrogen with other fixed volumes, it is necessary to replace the ladle barrel 3 of other specifications that match it at this time. The design of the long bolt 21 and the V-shaped seat 14 can stably and quickly install ladle barrels 3 of different specifications to complete the subsequent extraction operation of liquid nitrogen with different volumes.

[0034] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of protection required by the present utility model. The scope of protection required by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A liquid nitrogen tank scoop for use in a cell preparation process, comprising a scoop barrel (3) and a hanging ring (12), characterized in that: It also comprises a telescopic rod (1) and a protective plate (13) arranged on the telescopic rod (1) to prevent liquid nitrogen from splashing; one end of the telescopic rod (1) is connected to a hanging ring (12); the other end of the telescopic rod (1) is connected to a placement plate (2); and a spoon tube (3) is arranged on the placement plate (2).

2. The liquid nitrogen tank scoop for use in a cell preparation process according to claim 1, characterized in that: The telescopic rod (1) is sleeved with an antifreeze sheath (11), and the antifreeze sheath (11) is provided with a protective plate (13).

3. The liquid nitrogen tank scoop for use in a cell preparation process according to claim 2, characterized in that: The protection plate (13) is in the shape of a flat plate.

4. The liquid nitrogen tank scoop for use in a cell preparation process according to claim 2, characterized in that: The protection plate (13) is in the shape of an arc-shaped plate.

5. The liquid nitrogen tank scoop for use in a cell preparation process according to claim 1, characterized in that: The telescopic rod (1) is provided with a V-shaped seat (14), the main body shape of the placement plate (2) is L-shaped and a long bolt (21) is provided on the placement plate (2), and the long bolt (21) cooperates with the V-shaped seat (14) to place spoon tubes (3) with different inner diameters.

6. The liquid nitrogen tank scoop for use in a cell preparation process according to claim 1, characterized in that: The spoon barrel (3) is made of stainless steel.

7. The liquid nitrogen tank scoop for use in a cell preparation process according to claim 2, characterized in that: The antifreeze sheath (11) is made of silica gel or rubber, and the surface of the antifreeze sheath (11) is provided with anti-slip patterns.

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