Liquid nitrogen tank for cell storage

Abstract

The utility model relates to the technical field of cell storage, and discloses a liquid nitrogen tank for cell storage, which comprises a tank body, the outer side of the lower end of the tank body is fixedly connected with a side plate, the top of the side plate is fixedly provided with a hydraulic cylinder, and the top of the hydraulic cylinder is fixedly connected with an ejector rod. According to the utility model, the hydraulic cylinder is started to work to drive the ejector rod to ascend, so that the tank cover is ejected to ascend, the plurality of storage plates can be driven to ascend through the connecting rod and move out of the tank body, and a container filled with cells and placed in the containing groove can be exposed and is convenient to take; the hydraulic cylinder works to pull the ejector rod and the tank cover to move downwards, so that the connecting rod and the storage plate are driven to move downwards into the tank body, a container containing cells and placed in the containing groove can enter the tank body for cryopreservation, meanwhile, the sealing plug is embedded into a tank opening in the tank body, and the sealing effect can be achieved; and in the taking and placing process, an operator does not need to stretch hands into the tank body, so that frostbite caused by the fact that the arms touch the inner wall of the tank body can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of cell storage, and more specifically, the utility model relates to a liquid nitrogen tank for cell storage. Background Art

[0002] Cells are the basic structural and functional units of organisms. It is known that all organisms except viruses are composed of cells, but the life activities of viruses can only be manifested in cells. After cells are extracted, they need to be placed in a container and then stored in a liquid nitrogen tank. When the existing liquid nitrogen tank for cell storage needs to take out the container containing cells from the tank, it is necessary to manually open the tank lid, and then reach into the liquid nitrogen tank to take out the container. During the process of taking and placing, although the staff wears protective gloves, there is still a risk of frostbite caused by the contact between the arm and the inner wall of the liquid nitrogen tank. Summary of the Utility Model

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a liquid nitrogen tank for cell storage, which has the advantage of preventing frostbite of the arm.

[0004] To achieve the above object, the utility model provides the following technical solutions: A liquid nitrogen tank for cell storage, including a tank body, the outer side of the lower end of the tank body is fixedly connected with a side plate, the top of the side plate is fixedly installed with a hydraulic cylinder, the top of the hydraulic cylinder is fixedly connected with a push rod, the top of the push rod is fixedly connected with a tank lid, the bottom of the tank lid is fixedly connected with a connecting rod, and a plurality of placing plates are fixedly installed at equal intervals on the outer part of the connecting rod;

[0005] An adjusting opening is formed in the outer part of the lower end of the tank body, a resisting plate is movably connected inside the adjusting opening, and a plurality of rollers are fixedly installed at equal intervals at the bottom of the tank body.

[0006] As a preferred technical solution of the utility model, a sealing plug capable of being inserted into the tank opening on the tank body is fixedly installed at the bottom of the tank lid.

[0007] As a preferred technical solution of the utility model, a plurality of guide rods are fixedly connected at equal intervals at the top of the side plate, a plurality of lifting plates sleeved on the outer parts of the guide rods are fixedly connected at equal intervals on the outer side of the tank lid, and a limiting plate is fixedly connected at the top of the guide rods.

[0008] As a preferred technical solution of the utility model, a plurality of placing grooves are formed at equal intervals on the placing plates.

[0009] As a preferred technical solution of the utility model, threads are engraved at the joints between the inner wall of the adjusting opening and the resisting plate, a handle is fixedly connected to the outer part of the upper end of the resisting plate, and a plurality of anti-slip lines are formed at equal intervals at the bottom of the resisting plate.

[0010] As a preferred technical solution of the present utility model, a support seat is fixedly installed at the bottom inside the tank body. A groove is formed at the top of the support seat, and the lower end of the connecting rod can be inserted into the groove.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] By starting the hydraulic cylinder to work and driving the ejector rod to rise, the tank cover is pushed up. The connecting rod can drive multiple storage plates to rise and move out of the tank body, so that the container containing cells placed in the storage groove will be exposed, which is convenient for taking. By the hydraulic cylinder working to pull the ejector rod and the tank cover down, the connecting rod and the storage plate are driven to move down into the tank body, and the container containing cells placed in the storage groove will enter the tank body for freezing. At the same time, the sealing plug is embedded into the tank opening on the tank body, which can achieve a sealing effect. During the process of taking and placing, the operator does not need to put his hand into the tank body, thus avoiding frostbite caused by the arm touching the inner wall of the tank body.

[0013] With multiple rollers provided at the bottom of the tank body of the present utility model, it is convenient to move the position of the tank body, which is beneficial for handling and relocating. By rotating the handle to drive the pressing plate to rotate, the bottom can be tightly attached to the ground by screw drive. The presence of anti-slip patterns can increase the friction with the ground, avoiding the tank body from sliding easily relying on the rollers at the bottom and improving its placement stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic structural diagram when the storage plate of the present utility model rises;

[0015] Figure 2 It is a schematic external structural diagram of the whole of the present utility model;

[0016] Figure 3 It is a schematic cross-sectional structural diagram of the present utility model.

[0017] In the figure: 1, tank body; 2, side plate; 3, hydraulic cylinder; 4, ejector rod; 5, tank cover; 6, lifting plate; 7, guide rod; 701, limiting plate; 8, connecting rod; 9, storage plate; 901, storage groove; 10, sealing plug; 11, adjustment port; 12, pressing plate; 121, handle; 13, roller; 14, support seat; 141, groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] 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.

[0019] As shown Figures 1 to 3 in the figure, the utility model provides a liquid nitrogen tank for cell storage, which includes a tank body 1. A side plate 2 is fixedly connected to the outside of the lower end of the tank body 1. A hydraulic cylinder 3 is fixedly installed at the top of the side plate 2. A top rod 4 is fixedly connected to the top of the hydraulic cylinder 3. A tank cover 5 is fixedly connected to the top of the top rod 4. A connecting rod 8 is fixedly connected to the bottom of the tank cover 5. A plurality of storage plates 9 are fixedly installed at equal intervals on the outside of the connecting rod 8;

[0020] An adjustment opening 11 is formed in the outside of the lower end of the tank body 1. A pressing plate 12 is movably connected to the inside of the adjustment opening 11. A plurality of rollers 13 are fixedly installed at equal intervals at the bottom of the tank body 1. By starting the hydraulic cylinder 3 to work, the top rod 4 is driven to lift and lower, thereby driving the tank cover 5 to lift and lower. The connecting rod 8 can drive a plurality of storage plates 9 to lift and adjust, so as to control the containers filled with cells placed in the storage grooves 901 to be exposed, which is convenient for operators to take and place. During the process of taking and placing, it is not necessary for the operator to put his hand into the tank body 1, so as to avoid frostbite caused by the arm touching the inner wall of the tank body 1. Through the plurality of rollers 13 arranged at the bottom of the tank body 1, it is convenient to move the position of the tank body 1, which is beneficial to handling and relocation. By rotating the handle 121, the pressing plate 12 is driven to rotate, and its bottom can be tightly attached to the ground by screw drive. The presence of anti-slip lines can increase the friction with the ground, and the tank body 1 can be prevented from sliding easily relying on the rollers 13 at the bottom, thereby improving its placement stability.

[0021] Among them, a sealing plug 10 capable of inserting into the upper tank opening of the tank body 1 is fixedly installed at the bottom of the tank cover 5;

[0022] By inserting the sealing plug 10 into the tank opening position of the tank body 1, a sealing effect can be achieved to avoid liquid nitrogen leakage.

[0023] Among them, a plurality of guide rods 7 are fixedly connected at equal intervals at the top of the side plate 2. A lifting plate 6 sleeved outside the guide rod 7 is fixedly connected at equal intervals on the outside of the tank cover 5. A limiting plate 701 is fixedly connected to the top of the guide rod 7;

[0024] By adjusting the lifting of the lifting plate 6 along the guide rod 7, a positioning and guiding effect can be achieved, making the lifting more stable. Through the arrangement of the limiting plate 701, the lifting plate 6 can be prevented from separating from the guide rod 7 when rising, playing a blocking role.

[0025] Among them, a plurality of storage grooves 901 are formed at equal intervals on the storage plate 9;

[0026] By arranging a plurality of storage grooves 901 on the storage plate 9, containers filled with cells can be placed. When the storage plate 9 rises and moves out of the tank body 1, it is beneficial for operators to take and place the containers in the storage grooves 901.

[0027] Among them, threads are engraved at the joints between the inner wall of the adjustment opening 11 and the bottom plate 12. A handle 121 is fixedly connected to the outside of the upper end of the bottom plate 12, and anti-slip lines are equidistantly arranged at the bottom of the bottom plate 12;

[0028] By rotating the handle 121 to drive the bottom plate 12 to rotate, the bottom of the bottom plate 12 can be tightly attached to the ground by using screw drive. The existence of the anti-slip lines can increase the friction with the ground, which can prevent the tank body 1 from easily sliding relying on the rollers 13 at the bottom, and improve the stability of its placement.

[0029] Among them, a support seat 14 is fixedly installed at the bottom inside the tank body 1. A groove 141 is formed at the top of the support seat 14, and the lower end of the connecting rod 8 can be inserted into the inside of the groove 141;

[0030] Through the setting of the support seat 14, when the connecting rod 8 descends, its lower end can be inserted into the inside of the groove 141, which can play a simple supporting effect.

[0031] The working principle and usage process of the present utility model:

[0032] By starting the hydraulic cylinder 3 to work, the ejector rod 4 is driven to rise, thereby pushing the tank cover 5 to rise. The connecting rod 8 can drive a plurality of placing plates 9 to rise and move out of the tank body 1, and then the containers filled with cells placed inside the containing groove 901 will be exposed, which is convenient for taking;

[0033] By the hydraulic cylinder 3 working to pull the ejector rod 4 and the tank cover 5 downward, the connecting rod 8 and the placing plate 9 are driven to move downward into the tank body 1. Then the containers filled with cells placed inside the containing groove 901 will enter the tank body 1 for freezing. At the same time, the sealing plug 10 is embedded into the tank opening on the tank body 1, which can play a sealing effect. During the process of taking and placing, the operator does not need to put his hand into the tank body 1, thereby avoiding frostbite caused by the arm touching the inner wall of the tank body 1;

[0034] Through the plurality of rollers 13 arranged at the bottom of the tank body 1, it is convenient to move the position of the tank body 1, which is beneficial for handling and relocation. By rotating the handle 121 to drive the bottom plate 12 to rotate, the bottom of the bottom plate 12 can be tightly attached to the ground by using screw drive. The existence of the anti-slip lines can increase the friction with the ground, which can prevent the tank body 1 from easily sliding relying on the rollers 13 at the bottom, and improve the stability of its placement.

[0035] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variation thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0036] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A liquid nitrogen tank for cell storage, comprising a tank body (1), characterized in that: The outer side of the lower end of the tank body (1) is fixedly connected to a side plate (2), the top of the side plate (2) is fixedly mounted with a hydraulic cylinder (3), the top of the hydraulic cylinder (3) is fixedly connected to a push rod (4), the top of the push rod (4) is fixedly connected to a tank cover (5), the bottom of the tank cover (5) is fixedly connected to a connecting rod (8), and a storage plate (9) is fixedly mounted equidistantly on the outside of the connecting rod (8); An adjusting port (11) is provided on the outside of the lower end of the tank body (1), a stop plate (12) is movably connected inside the adjusting port (11), and rollers (13) are fixedly installed at equal intervals on the bottom of the tank body (1).

2. A liquid nitrogen tank for cell storage according to claim 1, characterized in that: A sealing plug (10) capable of being inserted into the interior of the tank opening on the tank body (1) is fixedly mounted on the bottom of the tank cover (5).

3. A liquid nitrogen tank for cell storage according to claim 1, characterized in that: The top of the side plate (2) is fixedly connected to a guide rod (7) at equal intervals, the outer side of the tank cover (5) is fixedly connected to a lifting plate (6) sleeved on the outside of the guide rod (7) at equal intervals, and the top of the guide rod (7) is fixedly connected to a limiting plate (701).

4. A liquid nitrogen tank for cell storage according to claim 1, characterized in that: The storage plate (9) is provided with storage grooves (901) at equal intervals.

5. The liquid nitrogen tank for cell storage according to claim 1, characterized in that: The connection between the inner wall of the regulating port (11) and the abutment plate (12) is engraved with threads, the outer portion of the upper end of the abutment plate (12) is fixedly connected with a handle (121), and the bottom of the abutment plate (12) is provided with anti-slip grooves at equal intervals.

6. The liquid nitrogen tank for cell storage according to claim 1, characterized in that: A support seat (14) is fixedly mounted at the bottom of the tank body (1), a groove (141) is provided at the top of the support seat (14), and the lower end of the connecting rod (8) can be inserted into the groove (141).

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