CN219205676U

CN219205676U - Liquid nitrogen tank for stem cell storage

Info

Publication number: CN219205676U
Application number: CN202320705953.2U
Authority: CN
Inventors: 徐大兵; 吴挺贵; 兰晶晶; 许文婷
Original assignee: Hainan Boao Future Hospital Co ltd
Current assignee: Hainan Boao Future Hospital Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-06-20
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a liquid nitrogen tank for stem cell storage, which has the technical scheme that: the novel sealing device comprises a tank body, wherein the top of the tank body is provided with a tank cover, the bottom of the tank cover is fixedly connected with a sealing plug, the bottom of the sealing plug is fixedly connected with a connecting rod, three placing plates are fixedly sleeved outside the connecting rod, the bottom of the tank body is fixedly connected with a bottom plate, and two sides of the tank body and the rear side of the tank body are fixedly connected with a first connecting plate and a second connecting plate respectively, and the novel sealing device has the beneficial effects that: the left threaded rod rotates under the design of the driving assembly to enable the right threaded rod and the rear threaded rod to simultaneously rotate, so that three threaded blocks and three moving rods can simultaneously move upwards, the tank cover, the sealing plug, the connecting rod and the placing plate can be moved out of the tank body, the stem cells can be conveniently and manually taken, hands of workers are not required to extend into the liquid nitrogen tank to be taken, and the phenomenon that hands of the workers touch the inner wall of the liquid nitrogen tank to be frostbitten can be avoided.

Description

Liquid nitrogen tank for stem cell storage

Technical Field

The utility model relates to the field of stem cell storage, in particular to a liquid nitrogen tank for stem cell storage.

Background

The stem cells are separated from different human tissues, are cultured, are detected and identified, are frozen in a deep low temperature for storage, so that the stem cells can be recovered for reinfusion of patients when clinically needed, the aim of treating diseases is achieved, and the stem cells are basically placed on a placing rack in a liquid nitrogen tank for storage in the prior medical treatment;

when stem cells are taken out of the liquid nitrogen tank, a tank cover is required to be opened manually, then a hand stretches into the liquid nitrogen tank to take out the stem cells, and in the taking and placing process, although staff has protective gloves, the risk of frostbite caused by the contact of arms and the inner wall of the liquid nitrogen tank still occurs, so improvement is required;

for this reason, it is necessary to invent a liquid nitrogen tank for stem cell storage.

Disclosure of Invention

Therefore, the utility model provides a liquid nitrogen tank for stem cell storage, which solves the problems in the background art.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a liquid nitrogen tank for stem cell storage, includes the jar body, jar body top is equipped with the cover, cover bottom fixedly connected with sealing plug, sealing plug bottom fixedly connected with connecting rod, connecting rod outside fixed cover is equipped with three and places the board, jar body bottom fixedly connected with bottom plate, jar body both sides and jar equal fixedly connected with connecting plate one of body rear side and connecting plate two, connecting plate one is located connecting plate two tops, cover top fixedly connected with T shape frame, T shape frame bottom fixedly connected with three movable rod, three the movable rod runs through three connecting plate one respectively, three connecting plate one bottom all is connected with the three the threaded rod bottom runs through three connecting plate two respectively, three the threaded rod is located three movable rod outside, three the outside all overlaps and is equipped with the thread block, thread block and threaded rod pass through threaded connection, three the thread block respectively with three movable rod fixed connection, bottom plate bottom fixedly connected with motor, motor output shaft top is one to be equipped with the bottom plate one with the threaded rod, and one of them threaded rod is equipped with the drive assembly between three threaded rod and the threaded rod.

Preferably, the sealing plug is made of a rubber material.

Preferably, the three placement plates are linearly distributed up and down.

Preferably, the driving assembly comprises a circular ring, the circular ring is sleeved outside the tank body and is connected with the tank body through bearings, and gears are fixedly sleeved outside the bottom ends of the three threaded rods.

Preferably, the ring is fixedly sleeved with a gear ring, and the three gears are positioned outside the gear ring and are meshed with the gear ring.

Preferably, the three thread blocks are fixedly connected with limiting blocks, the three connecting plates are fixedly connected with limiting rods at the bottoms of the first connecting plates, the bottom ends of the limiting rods are fixedly connected to the two tops of the three connecting plates respectively, and the three limiting rods penetrate through the three limiting blocks respectively and are in sliding connection with the three limiting blocks.

Preferably, the threaded rod is connected with the first connecting plate and the second connecting plate through bearings.

Preferably, the first rotating shaft is connected with the bottom plate through a bearing.

Preferably, the four corners of the bottom plate are fixedly connected with supporting legs.

The beneficial effects of the utility model are as follows:

according to the utility model, the motor works to drive the first rotating shaft to rotate, the first rotating shaft can rotate the left threaded rod, then the left threaded rod rotates under the design of the driving assembly to enable the right threaded rod and the rear threaded rod to simultaneously rotate, so that the three threaded blocks and the three moving rods can simultaneously move upwards, the tank cover, the sealing plug, the connecting rod and the placing plate can be moved out of the tank body, and thus, stem cells can be conveniently taken manually, and therefore, a worker does not need to stretch into the liquid nitrogen tank to take the stem cells, and further, the phenomenon that the hands of the worker touch the inner wall of the liquid nitrogen tank to be frosted can be avoided.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.

The structures, proportions, sizes, etc. shown in this description are for the understanding and reading of the disclosure, and are not intended to limit the scope of the utility model, which is defined by the claims, to any structural modifications, changes in proportions, or adjustments of sizes, which may be made by the claims, without departing from the spirit and scope of the utility model, which is otherwise, indicated by the claims

FIG. 1 is a schematic view of the overall structure provided by the present utility model;

FIG. 2 is an enlarged view of the portion A of FIG. 1 provided by the present utility model;

FIG. 3 is a front cross-sectional view of the present utility model;

FIG. 4 is an enlarged view of portion B of FIG. 3 provided by the present utility model;

FIG. 5 is a rear perspective view of the present utility model;

FIG. 6 is a perspective view of the placement plate provided by the present utility model removed from the canister;

in the figure: the novel plastic bottle comprises a bottle body 1, a bottle cover 2, a sealing plug 3, a connecting rod 4, a placing plate 5, a bottom plate 6, a connecting plate I, a connecting plate II, a T-shaped frame 9, a moving rod 10, a threaded rod 11, a threaded block 12, a motor 13, a rotating shaft I14, a circular ring 15, a gear 16, a gear ring 17, a limiting block 18, a limiting rod 19 and supporting legs 20.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Referring to fig. 1-6, the liquid nitrogen tank for stem cell storage provided by the utility model comprises a tank body 1, a tank cover 2 is arranged at the top of the tank body 1, a sealing plug 3 is fixedly connected at the bottom of the tank cover 2, a connecting rod 4 is fixedly connected at the bottom of the sealing plug 3, three placing plates 5 are fixedly sleeved outside the connecting rod 4, a bottom plate 6 is fixedly connected at the bottom of the tank body 1, a first connecting plate 7 and a second connecting plate 8 are fixedly connected at both sides of the tank body 1 and the rear side of the tank body 1, the first connecting plate 7 is positioned at the top of the second connecting plate 8, a T-shaped frame 9 is fixedly connected at the top of the tank cover 2, three moving rods 10 are fixedly connected at the bottom of the T-shaped frame 9, the three moving rods 10 respectively penetrate through the first connecting plates 7, the bottoms of the three first connecting plates 7 are respectively connected with a threaded rod 11, the bottoms of the three threaded rods 11 penetrate through the three second connecting plates 8 respectively, the three threaded rods 11 are positioned on the outer sides of the three moving rods 10, threaded blocks 12 are sleeved outside the three threaded rods 11, the threaded blocks 12 are in threaded connection with the threaded rods 11, the three threaded blocks 12 are respectively fixedly connected with the three moving rods 10, a motor 13 is fixedly connected to the bottom of the bottom plate 6, an output shaft of the motor 13 is fixedly connected with a first rotating shaft 14, the top end of the first rotating shaft 14 penetrates through the bottom plate 6 and is fixedly connected with one of the threaded rods 11, a driving assembly is arranged between the three threaded rods 11 and the tank body 1, and the three placing plates 5 are distributed linearly up and down;

in this embodiment, the motor 13 works to drive the first rotating shaft 14 to rotate, the first rotating shaft 14 can rotate the left threaded rod 11, then the left threaded rod 11 rotates under the design of the driving component to simultaneously rotate the right and rear threaded rods 11, so that the three threaded blocks 12 and the three moving rods 10 can simultaneously move upwards, the tank cover 2, the sealing plug 3, the connecting rod 4 and the placing plate 5 can be moved out of the tank body 1, so that the stem cells can be conveniently and manually taken, and the staff is not required to stretch into the liquid nitrogen tank to take the stem cells;

the device is realized by adopting the following technical scheme: the sealing plug 3 is made of rubber material, and the sealing plug 3 of the rubber material is contacted with the inner wall of the tank mouth, so that leakage of liquid nitrogen can be avoided;

the driving assembly comprises a circular ring 15, the circular ring 15 is sleeved outside the tank body 1 and is connected with the tank body through a bearing, gears 16 are fixedly sleeved outside the bottom ends of the three threaded rods 11, a gear ring 17 is fixedly sleeved outside the circular ring 15, the three gears 16 are positioned outside the gear ring 17 and are in meshed connection with the gear ring 17, and the three threaded rods 11 can rotate simultaneously due to the design of the driving assembly;

the outside of the three thread blocks 12 is fixedly connected with limiting blocks 18, the bottoms of the three first connecting plates 7 are fixedly connected with limiting rods 19, the bottom ends of the three limiting rods 19 are respectively and fixedly connected to the tops of the three second connecting plates 8, the three limiting rods 19 respectively penetrate through the three limiting blocks 18 and are in sliding connection with the three limiting blocks 18, the limiting blocks 18 can enable the thread blocks 12 to stably move, and meanwhile limiting and guiding functions can be achieved;

in order to achieve the purpose of reducing abrasion, the threaded rod 11 is connected with the first connecting plate 7 and the second connecting plate 8 through bearings, the first rotating shaft 14 is connected with the bottom plate 6 through bearings, and abrasion can be reduced through bearing connection;

support legs 20 are fixedly connected to four corners of the bottom plate 6, and the support legs 20 can support the device.

The application process of the utility model is as follows: when the utility model is used, the stem cell test tube is firstly placed on the placing rack, then the placing rack is placed on the placing plate 5 for storage, when stem cells are needed to be used, the motor 13 is controlled to work, the motor 13 works to drive the first rotating shaft 14 to rotate, the first rotating shaft 14 rotates to drive the left threaded rod 11 to rotate, the left threaded rod 11 rotates to drive the left gear 16 to rotate, the left gear 16 rotates to drive the gear ring 17 and the circular ring 15 to rotate, the gear ring 17 rotates to drive the other two gears 16 to rotate, so that the right threaded rod 11 and the rear threaded rod 11 simultaneously rotate, and the three threaded rods 11 simultaneously rotate to drive the three threaded blocks 12 to move upwards, so that the three moving rods 10, the T-shaped frames 9, the tank cover 2, the sealing plug 3, the connecting rods 4 and the three placing plates 5 move upwards, so that stem cells can be removed from the tank body 1, as shown in fig. 6, the stem cells can be conveniently and manually taken without the need to extend into a liquid nitrogen tank to be taken, and the phenomenon that a worker is frosted by hands on the inner wall of the tank can be prevented from being touched by the worker;

after the taking is completed, the motor 13 is controlled to rotate reversely, so that stem cells can return to the inside of the tank body 1 again, and then the sealing plug 3 made of rubber material can be contacted with the tank opening, so that liquid nitrogen can leak.

The above description is only of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model equivalent thereto using the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.

Claims

1. Liquid nitrogen tank for stem cell storage, comprising a tank body (1), characterized in that: tank body (1) top is equipped with cover (2), cover (2) bottom fixedly connected with sealing plug (3), sealing plug (3) bottom fixedly connected with connecting rod (4), connecting rod (4) outside fixed cover is equipped with three and places board (5), tank body (1) bottom fixedly connected with bottom plate (6), tank body (1) both sides and tank body (1) rear side are all fixedly connected with connecting plate one (7) and connecting plate two (8), connecting plate one (7) are located connecting plate two (8) top, cover (2) top fixedly connected with T shape frame (9), T shape frame (9) bottom fixedly connected with three movable rod (10), three movable rod (10) run through three connecting plate one (7) respectively, three connecting plate one (7) bottom all is connected with threaded rod (11), three threaded rod (11) bottom all runs through three connecting plate two (8) respectively, three threaded rod (11) are located three movable rod (10) outside, three movable rod (11) are equipped with three movable rod (12) and threaded rod (12) are all connected with threaded rod (12) respectively, the bottom of the bottom plate (6) is fixedly connected with a motor (13), an output shaft of the motor (13) is fixedly connected with a first rotating shaft (14), the top end of the first rotating shaft (14) penetrates through the bottom plate (6) and is fixedly connected with one of the threaded rods (11), and a driving assembly is arranged between the three threaded rods (11) and the tank body (1).

2. A liquid nitrogen tank for stem cell storage according to claim 1, wherein: the sealing plug (3) is made of rubber material.

3. A liquid nitrogen tank for stem cell storage according to claim 1, wherein: the three placing plates (5) are distributed up and down in a straight line.

4. A liquid nitrogen tank for stem cell storage according to claim 1, wherein: the driving assembly comprises a circular ring (15), the circular ring (15) is sleeved outside the tank body (1) and is connected with the tank body through bearings, and gears (16) are fixedly sleeved outside the bottom ends of the three threaded rods (11).

5. A liquid nitrogen tank for stem cell storage according to claim 4, wherein: the ring (15) is fixedly sleeved with a gear ring (17), and three gears (16) are positioned outside the gear ring (17) and are in meshed connection with the gear ring.

6. A liquid nitrogen tank for stem cell storage according to claim 1, wherein: three screw thread piece (12) outside all fixedly connected with stopper (18), three connecting plate one (7) bottom all fixedly connected with gag lever post (19), three gag lever post (19) bottom respectively fixed connection is at three connecting plate two (8) tops, three gag lever post (19) run through three stopper (18) respectively and with its sliding connection.

7. A liquid nitrogen tank for stem cell storage according to claim 1, wherein: the threaded rod (11) is connected with the first connecting plate (7) and the second connecting plate (8) through bearings.

8. A liquid nitrogen tank for stem cell storage according to claim 1, wherein: the first rotating shaft (14) is connected with the bottom plate (6) through a bearing.

9. A liquid nitrogen tank for stem cell storage according to claim 1, wherein: support legs (20) are fixedly connected to four corners of the bottom plate (6).