CN215602864U

CN215602864U - Liquid nitrogen tank for low-temperature storage of stem cells

Info

Publication number: CN215602864U
Application number: CN202122357020.2U
Authority: CN
Inventors: 刘芳; 刘招; 雷涛; 米楠
Original assignee: Wuhan Wanhai Cell Biotechnology Co ltd
Current assignee: Wuhan Wanhai Cell Biotechnology Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-01-25
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses a liquid nitrogen tank for low-temperature storage of stem cells, which comprises a liquid nitrogen tank body and fixed suckers, wherein universal wheels are arranged at four corners of the bottom end of the liquid nitrogen tank body, a cover body is arranged at the top end of the liquid nitrogen tank body, fixed blocks are arranged at two ends of the liquid nitrogen tank body, a sucker positioning mechanism is arranged inside the fixed blocks, movable grooves are formed in two ends of the cover body, fixed structures penetrating through the movable grooves are arranged at two ends of the top end of the liquid nitrogen tank body, a limiting block is arranged at the bottom end of the cover body, a plurality of arc-shaped sealing blocks are arranged on the outer wall of the limiting block, and a sealing mechanism is arranged at the central position of the top end of the liquid nitrogen tank body. This a liquid nitrogen container for stem cell low temperature storage inserts fixed suction cup in through air exhaust equipment, and then with the suction of air in the fixed suction cup for produce suction in the fixed suction cup, this structure is convenient for laminate the position and the ground of liquid nitrogen container body, avoids bumping and causes the slope.

Description

Liquid nitrogen tank for low-temperature storage of stem cells

Technical Field

The utility model relates to the technical field of liquid nitrogen tanks, in particular to a liquid nitrogen tank for low-temperature storage of stem cells.

Background

The liquid nitrogen container can be generally divided into a liquid nitrogen storage tank and a liquid nitrogen transportation tank, the liquid nitrogen container is inspected before being used and is filled with liquid nitrogen, firstly, an operator needs to inspect whether a shell is sunken or not, whether a vacuum exhaust port is intact or not, if the vacuum port is damaged, the vacuum degree can be reduced, the air intake cannot be performed in a heat preservation storage tank in serious conditions, the liquid nitrogen container is mainly used for standing and storing indoor liquid nitrogen, the liquid nitrogen container is not suitable for being used for long-distance transportation in a working state, severe collision and vibration are avoided, the traditional liquid nitrogen container for low-temperature storage of stem cells can basically meet the use requirements of people, but still has certain problems, and the specific problems are as follows:

1. when most of liquid nitrogen tanks for low-temperature storage of stem cells in the current market are used, the liquid nitrogen tanks are easy to collide, so that the interior of the liquid nitrogen tanks is easy to shake, damage is easy to cause, and further the liquid nitrogen tanks are not suitable for long-distance transportation;

2. most of liquid nitrogen containers for stem cell low-temperature storage in the current market have poor sealing effect and low vacuum degree easily, so that air cannot be stored and normal use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a liquid nitrogen tank for low-temperature storage of stem cells, and aims to solve the problems that the liquid nitrogen tank in the background technology is not suitable for long-distance transportation and has poor sealing effect.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a liquid nitrogen container for stem cell cryogenic storage, includes liquid nitrogen container body and fixed suction cup, the four corners position department of liquid nitrogen container body bottom is provided with the universal wheel, the top of liquid nitrogen container body is provided with the lid, the both ends of liquid nitrogen container body are provided with the fixed block, and the inside of fixed block is provided with sucking disc positioning mechanism, the activity groove has been seted up at the both ends of lid, the both ends on liquid nitrogen container body top are provided with the fixed knot who runs through the activity groove and construct, the bottom of lid is provided with the stopper, and the outer wall of stopper is provided with a plurality of arc seal blocks, the central point department on liquid nitrogen container body top is provided with sealing mechanism, the lid bottom is provided with a plurality ofly and the sealed extrusion piece of sealing mechanism assorted, the inner wall of liquid nitrogen container body is provided with the rock wool heated board.

Preferably, the sucker positioning mechanism comprises a screw rod and a fixing plug, a thread groove is formed in the fixing block, and the screw rod is arranged in the thread groove.

Preferably, the outer wall of the screw is engaged with the inside of the thread groove, and the top end of the screw is provided with a knob.

Preferably, the bottom of screw rod is provided with fixed suction cup, and fixed suction cup's one end is provided with the hole of disappointing, the inside in hole of disappointing is provided with fixed stopper.

Preferably, the fixed structure comprises a fixed shaft and a rubber block, the top end of the liquid nitrogen tank body is provided with the fixed shaft penetrating through the movable groove, and the top end of the fixed shaft is provided with the mounting block.

Preferably, the bottom of installation piece is provided with the block rubber, and the block rubber outer wall and the outer wall phase-match of lid.

Preferably, the sealing mechanism comprises an annular sealing block and a sealing extrusion groove, and the outer wall of the annular sealing block is matched with the outer wall of the arc-shaped sealing block.

Preferably, a plurality of sealing extrusion grooves are formed in the top end of the annular sealing block, and the inner portions of the sealing extrusion grooves are matched with the outer walls of the sealing extrusion blocks.

Compared with the prior art, the utility model has the beneficial effects that:

1. the liquid nitrogen tank body and the fixed sucker are arranged, and the air suction device is inserted into the fixed sucker to suck out air in the fixed sucker, so that suction force is generated in the fixed sucker;

2. the device inserts in the annular seal piece through installing lid, annular seal piece and the sealed piece of arc simultaneously to be convenient for form sealed effect between lid and the liquid nitrogen container body, simultaneously, drive sealed extrusion piece through the lid and insert sealed extrusion inslot, thereby be convenient for with the inseparabler of laminating between annular seal piece and the sealed piece of arc, make sealed effect better.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front cross-sectional structural view of the present invention;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is a left side view of the present invention;

FIG. 5 is an enlarged view of the portion A of FIG. 2 according to the present invention.

In the figure: 1. a liquid nitrogen tank body; 2. a universal wheel; 3. a cover body; 4. a fixed block; 5. a thread groove; 6. a screw; 7. fixing the sucker; 8. an air release hole; 9. a fixed plug; 10. turning a button; 11. a limiting block; 12. a fixed shaft; 13. mounting blocks; 14. a rubber block; 15. a movable groove; 16. an annular seal block; 17. an arc-shaped sealing block; 18. sealing the extrusion groove; 19. sealing the extrusion block; 20. rock wool heated board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a liquid nitrogen container for stem cell cryogenic storage, including liquid nitrogen container body 1 and fixed suction cup 7, the four corners position department of 1 bottom of liquid nitrogen container body is provided with universal wheel 2, the top of liquid nitrogen container body 1 is provided with lid 3, the both ends of liquid nitrogen container body 1 are provided with fixed block 4, and the inside of fixed block 4 is provided with sucking disc positioning mechanism, movable groove 15 has been seted up at the both ends of lid 3, the both ends on 1 top of liquid nitrogen container body are provided with the fixed knot who runs through movable groove 15 and construct, the bottom of lid 3 is provided with stopper 11, and stopper 11's outer wall is provided with a plurality of arc seal blocks 17, the central point department on 1 top of liquid nitrogen container body is provided with sealing mechanism, 3 bottoms of lid are provided with a plurality ofly and sealing mechanism assorted sealed extrusion piece 19, the inner wall of liquid nitrogen container body 1 is provided with rock wool heated board 20.

The sucker positioning mechanism comprises a screw rod 6 and a fixing plug 9, a thread groove 5 is formed in the fixing block 4, the screw rod 6 is arranged in the thread groove 5, and the screw rod 6 is meshed with the thread groove 5 by rotating the screw rod 6, so that the screw rod 6 moves up and down in the thread groove 5;

the outer wall of the screw rod 6 is meshed with the inside of the thread groove 5, the top end of the screw rod 6 is provided with a knob 10, and the knob 10 is held by hands to drive the screw rod 6 to rotate, so that the fixed sucker 7 is convenient to lift;

the bottom end of the screw rod 6 is provided with a fixed sucker 7, one end of the fixed sucker 7 is provided with an air release hole 8, a fixed plug 9 is arranged in the air release hole 8, and the fixed plug 9 is pulled upwards to be not in contact with the air release hole 8, so that air can enter the fixed sucker 7 conveniently, and the fixed sucker 7 is separated;

the fixing structure comprises a fixing shaft 12 and a rubber block 14, the fixing shaft 12 penetrating through a movable groove 15 is arranged at the top end of the liquid nitrogen tank body 1, an installation block 13 is arranged at the top end of the fixing shaft 12, and the installation block 13 rotates to drive the fixing shaft 12 to rotate so as to be conveniently separated from the cover body 3;

the bottom end of the mounting block 13 is provided with a rubber block 14, the outer wall of the rubber block 14 is matched with the outer wall of the cover body 3, the rubber block 14 is driven to be parallel to the movable groove 15 by rotating the mounting block 13, so that the cover body 3 moves upwards, and the liquid nitrogen tank body 1 is separated from the cover body 3;

the sealing mechanism comprises an annular sealing block 16 and a sealing extrusion groove 18, the annular sealing block 16 is arranged at the top end of the liquid nitrogen tank body 1, the outer wall of the annular sealing block 16 is matched with the outer wall of the arc-shaped sealing block 17, and the arc-shaped sealing block 17 is inserted into the annular sealing block 16, so that a sealing effect can be conveniently formed between the cover body 3 and the liquid nitrogen tank body 1, and the device can be conveniently stored in a sealing manner;

the top end of the annular sealing block 16 is provided with a plurality of sealing extrusion grooves 18, the inner parts of the sealing extrusion grooves 18 are matched with the outer walls of the sealing extrusion blocks 19, and the sealing extrusion blocks 19 are driven by the cover body 3 to be inserted into the sealing extrusion grooves 18, so that the annular sealing block 16 and the arc-shaped sealing block 17 are attached more tightly, and the sealing effect is better;

the working principle is as follows: when the liquid nitrogen tank for low-temperature storage of stem cells is used, an operator firstly stores the stem cells in the liquid nitrogen tank body 1, pushes the liquid nitrogen tank to a proper position through the universal wheel 2, then holds and rotates the rotating button 10 by hands, so that the rotating button 10 drives the screw rod 6 to be meshed with the thread groove 5, the screw rod 6 drives the fixed sucker 7 to be downwards attached to the ground, at the moment, the fixed plug 9 is downwards separated from the air leakage hole 8, the fixed sucker 7 is inserted into the air suction device, and then the inside of the fixed sucker 7 is sucked out in a vacuum state, so that the inside of the fixed sucker 7 is in a vacuum state, the position of the liquid nitrogen tank body 1 is conveniently attached to the ground, the phenomenon that the liquid nitrogen tank is collided to cause inclination and further damage is caused, and then the fixed plug 9 is inserted into the air leakage hole 8, and the structure has a good positioning effect;

when an operator needs to seal and mount the liquid nitrogen tank body 1 and the cover body 3, firstly, the rotating mounting block 13 drives the rubber block 14 to be horizontally aligned with the movable groove 15, then, after the movable groove 15 penetrates through the mounting block 13, the rotating mounting block 13 drives the rubber block 14 to be attached to the outer wall of the cover body 3, and a quick mounting and fixing effect is achieved, then when the cover body 3 faces downwards, the cover body 3 drives the limiting block 11 to be inserted into the inner side of the annular sealing block 16, so that the arc-shaped sealing block 17 is attached to the inner wall of the annular sealing block 16, meanwhile, the cover body 3 drives the sealing extrusion block 19 to be inserted into the sealing extrusion groove 18, the positions of the arc-shaped sealing block 17 and the annular sealing block 16 are attached more tightly, the sealing effect is better, and the principle is the whole principle of the utility model.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a liquid nitrogen container for stem cell cryogenic storage, includes liquid nitrogen container body (1) and fixed suction cup (7), its characterized in that: universal wheels (2) are arranged at the four corners of the bottom end of the liquid nitrogen tank body (1), a cover body (3) is arranged at the top end of the liquid nitrogen tank body (1), fixing blocks (4) are arranged at two ends of the liquid nitrogen tank body (1), and the inside of the fixed block (4) is provided with a sucker positioning mechanism, two ends of the cover body (3) are provided with movable grooves (15), the two ends of the top end of the liquid nitrogen tank body (1) are provided with fixed structures penetrating through the movable grooves (15), the bottom end of the cover body (3) is provided with a limiting block (11), and the outer wall of the limiting block (11) is provided with a plurality of arc-shaped sealing blocks (17), the central position of the top end of the liquid nitrogen tank body (1) is provided with a sealing mechanism, the bottom end of the cover body (3) is provided with a plurality of sealing extrusion blocks (19) matched with the sealing mechanism, the inner wall of the liquid nitrogen tank body (1) is provided with a rock wool heat-insulation plate (20).

2. The liquid nitrogen tank for the cryogenic storage of stem cells according to claim 1, characterized in that: the sucker positioning mechanism comprises a screw rod (6) and a fixing plug (9), a thread groove (5) is formed in the fixing block (4), and the screw rod (6) is arranged in the thread groove (5).

3. The liquid nitrogen tank for the cryogenic storage of stem cells according to claim 2, characterized in that: the outer wall of the screw rod (6) is meshed with the inner part of the thread groove (5), and the top end of the screw rod (6) is provided with a rotating button (10).

4. The liquid nitrogen tank for the cryogenic storage of stem cells according to claim 2, characterized in that: the bottom of screw rod (6) is provided with fixed suction cup (7), and the one end of fixed suction cup (7) is provided with disappointing hole (8), the inside in disappointing hole (8) is provided with fixed stopper (9).

5. The liquid nitrogen tank for the cryogenic storage of stem cells according to claim 1, characterized in that: the fixing structure comprises a fixing shaft (12) and a rubber block (14), the fixing shaft (12) penetrating through a movable groove (15) is arranged at the top end of the liquid nitrogen tank body (1), and an installation block (13) is arranged at the top end of the fixing shaft (12).

6. The liquid nitrogen tank for the cryogenic storage of stem cells according to claim 5, characterized in that: the bottom of installation piece (13) is provided with rubber block (14), and the outer wall phase-match of rubber block (14) outer wall and lid (3).

7. The liquid nitrogen tank for the cryogenic storage of stem cells according to claim 1, characterized in that: the sealing mechanism comprises an annular sealing block (16) and a sealing extrusion groove (18), and the outer wall of the annular sealing block (16) is matched with the outer wall of the arc-shaped sealing block (17).

8. The liquid nitrogen tank for the cryogenic storage of stem cells according to claim 7, characterized in that: the top end of the annular sealing block (16) is provided with a plurality of sealing extrusion grooves (18), and the inner parts of the sealing extrusion grooves (18) are matched with the outer wall of the sealing extrusion block (19).