CN220123814U - Cell vitrification refrigerating device capable of being placed in layered mode - Google Patents
Cell vitrification refrigerating device capable of being placed in layered mode Download PDFInfo
- Publication number
- CN220123814U CN220123814U CN202321453231.9U CN202321453231U CN220123814U CN 220123814 U CN220123814 U CN 220123814U CN 202321453231 U CN202321453231 U CN 202321453231U CN 220123814 U CN220123814 U CN 220123814U
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- China
- Prior art keywords
- freezing
- placing
- refrigerator
- liquid nitrogen
- nitrogen conveying
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- 238000004017 vitrification Methods 0.000 title claims abstract description 23
- 238000007710 freezing Methods 0.000 claims abstract description 86
- 230000008014 freezing Effects 0.000 claims abstract description 86
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 85
- 238000007789 sealing Methods 0.000 claims abstract description 45
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 40
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 19
- 239000006200 vaporizer Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 abstract description 9
- 229910001873 dinitrogen Inorganic materials 0.000 abstract description 5
- 210000004027 cell Anatomy 0.000 description 23
- 230000000694 effects Effects 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000004321 preservation Methods 0.000 description 3
- 210000004602 germ cell Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000001034 Frostbite Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000002308 embryonic cell Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model discloses a cell vitrification freezing device capable of being placed in layers, which comprises a freezing box, wherein a sealing door is arranged on the freezing box, a plurality of layers of freezing cavities are sequentially arranged in the freezing box from top to bottom, and the freezing cavities are drawer-shaped and are connected with the freezing box in a drawing way; a plurality of placing holes are formed in the top of the freezing cavity, placing cans are placed in the placing holes in a matched mode, square sealing covers are arranged on the placing cans in a matched mode, and holding openings for accommodating fingers are symmetrically formed in opposite sides of the sealing covers; the side of the freezing chamber is provided with a liquid nitrogen conveying mechanism which is positioned in the heat insulation layer of the freezing chamber and can horizontally slide along the heat insulation layer. According to the utility model, the placing tank is placed by arranging the multi-layer freezing cavities, so that the placing tank is convenient to take, the cooling efficiency of the placing tank is improved, and the cooling efficiency of liquid nitrogen gas to the placing tank is improved and the use flexibility is enhanced by arranging the adjustable liquid nitrogen conveying mechanism.
Description
Technical Field
The utility model relates to a cell vitrification freezing device, in particular to a cell vitrification freezing device capable of being placed in layers.
Background
In biotechnology research, for the research of most germ cells (such as embryonic cells, egg cells, sperm cells, etc.), it is necessary to rapidly freeze the cells to make them rapidly vitrified, and in the course of cell preservation, to maintain cell activity, the cells are usually placed on a sheet-like vessel, and then the vessel is placed in cold air to achieve rapid freezing of the cells.
In the use process of the conventional cell freezing device, the cooling efficiency of cells is low, and the cells are inconvenient to take in the use process, so that the cell vitrification freezing device capable of being placed in layers is needed.
Disclosure of Invention
In order to solve the defects of the technology, the utility model provides a cell vitrification freezing device capable of being placed in layers.
In order to solve the technical problems, the utility model adopts the following technical scheme: the cell vitrification freezing device capable of being placed in layers comprises a freezing box, wherein a sealing door is arranged on the freezing box, a plurality of layers of freezing cavities are sequentially arranged in the freezing box from top to bottom, and the freezing cavities are drawer-shaped and are connected with the freezing box in a drawing manner;
a plurality of placing holes are formed in the top of the freezing cavity, placing cans are placed in the placing holes in a matched mode, square sealing covers are arranged on the placing cans in a matched mode, and holding openings for accommodating fingers are symmetrically formed in opposite sides of the sealing covers;
the side of the freezing chamber is provided with a liquid nitrogen conveying mechanism which is positioned in the heat insulation layer of the freezing chamber and can horizontally slide along the heat insulation layer.
Preferably, the liquid nitrogen conveying mechanism comprises a nitrogen conveying pipe and a shunt pipe, one end of the nitrogen conveying pipe is connected with a liquid nitrogen vaporizer, the other end of the nitrogen conveying pipe is communicated with the shunt pipe, the side face of the shunt pipe is vertically connected with a plurality of inserting pipes, inserting holes are correspondingly formed in the side faces of the freezing cavities respectively, and the inserting pipes are inserted into the inserting holes.
Preferably, a shielding plate is arranged at the insertion hole, one side of the shielding plate is rotationally connected with the freezing cavity, and the other side of the shielding plate is elastically connected with the freezing cavity through a spring.
Preferably, the top and the bottom of the shunt tube are respectively provided with a sliding block, the inside of the heat insulation layer is correspondingly provided with a sliding way, and the sliding blocks can horizontally slide along the sliding way.
Preferably, the nitrogen delivery pipe penetrates through the heat insulation layer and extends out of the freezing cavity, and an annular check ring is arranged on the outer wall of the nitrogen delivery pipe.
Preferably, the sealing door is positioned on the front side of the freezer and is rotatably connected with the freezer.
Preferably, the inner side edge of the sealing door is provided with a low-temperature sealing groove, and the edge of the freezer is provided with a sealing bulge matched with the low-temperature sealing groove.
Preferably, the side of the freezing chamber facing the sealing door is formed with a recessed handle.
Preferably, the top of the placement hole is formed with a square receiving cavity for placing the sealing cover.
According to the utility model, the placing tank is placed by arranging the multi-layer freezing cavities, so that the placing tank is convenient to take, the cooling efficiency of the placing tank is improved, and the cooling efficiency of liquid nitrogen gas to the placing tank is improved and the use flexibility is enhanced by arranging the adjustable liquid nitrogen conveying mechanism.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic structural view of the freezing chamber.
Fig. 3 is a schematic structural view of a liquid nitrogen delivery mechanism.
In the figure: 1. a freezer; 2. sealing the door; 3. a freezing chamber; 4. placing a tank; 5. a liquid nitrogen conveying mechanism; 11. a thermal insulation layer; 21. a low-temperature sealing groove; 31. a handle; 32. placing the hole; 33. a receiving chamber; 34. an insertion hole; 41. sealing cover; 42. a grip; 51. a nitrogen gas delivery pipe; 52. a shunt; 53. inserting a tube; 54. a slide block; 55. an annular retainer ring.
Detailed Description
The following description of the embodiments will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a cell vitrification freezing device capable of being placed in layers, which is used for improving the cooling efficiency of liquid nitrogen gas on a placing tank, and by arranging a plurality of layers of drawing type freezing cavities, the cell vitrification freezing device is convenient to take, can improve the sealing effect and ensures the cooling effect.
The utility model will be described in further detail with reference to the drawings and the detailed description.
The cell vitrification freezing device capable of being placed in layers as shown in fig. 1 comprises a freezing box 1, wherein a sealing door 2 is arranged on the freezing box 1, a plurality of layers of freezing cavities 3 are sequentially arranged in the freezing box 1 from top to bottom, and the freezing cavities 3 are drawer-shaped and are connected with the freezing box 1 in a drawing manner; through setting up the freezing chamber of multilayer drawer form, not only facilitate the user to take, improved cooling efficiency moreover.
As shown in fig. 2, the top of the freezing chamber 3 is provided with a plurality of placing holes 32, a placing tank 4 is placed in the placing holes 32 in a matching way, a square sealing cover 41 is arranged on the placing tank 4 in a matching way, and holding ports 42 for accommodating fingers are symmetrically formed on opposite sides of the sealing cover 41; a thermal insulation layer (not shown) is stuck at the holding opening, so that an operator can take the thermal insulation layer conveniently.
By correspondingly placing a plurality of placing cans in the placing holes, the cooling efficiency can be improved. The placing tank is matched with the placing hole, a sealing strip is arranged outside the placing tank, and the sealing strip can ensure the temperature in the freezing cavity. The inside symmetry of placing jar is provided with the recess, has placed a plurality of test tubes in the recess. When in use, the vessel carrying the cells is put into a test tube to realize the rapid freezing of the cells.
In one embodiment, the side of the freezing chamber 3 is provided with a liquid nitrogen delivery mechanism 5, and the liquid nitrogen delivery mechanism 5 is located in the thermal insulation layer of the freezing chamber 1 and can slide horizontally along the thermal insulation layer. And through being communicated with the liquid nitrogen conveying mechanism, liquid nitrogen gas is input into the freezing cavity through the liquid nitrogen vaporizer to cool the test tube in the placing tank.
As shown in fig. 3, the liquid nitrogen conveying mechanism 5 comprises a nitrogen conveying pipe 51 and a shunt pipe 52, one end of the nitrogen conveying pipe 51 is connected with a liquid nitrogen vaporizer, the other end of the nitrogen conveying pipe is communicated with the shunt pipe 52, a plurality of inserting pipes 53 are vertically connected to the side surfaces of the shunt pipe 52, inserting holes 34 are correspondingly formed in the side surfaces of the freezing chamber 3 respectively, and the inserting pipes 53 are inserted into the inserting holes 34.
In order to ensure that the liquid nitrogen in the freezing cavity cannot overflow, a shielding plate is arranged at the position of the inserting hole 34, one side of the shielding plate is rotationally connected with the freezing cavity 3, and the other side of the shielding plate is elastically connected with the freezing cavity 3 through a spring. Through setting up the shielding plate, when the inserted tube applys external force to the shielding plate, the shielding plate rotates to laminating inner wall department, and the inserted tube gets into the insertion hole to let liquid nitrogen get into the freezing chamber, when not needing to let in liquid nitrogen, draw back the inserted tube, the shielding plate is got back to initial state because of the elasticity of spring, plays airtight effect to the freezing chamber.
In order to facilitate drawing of the freezing chamber, the top and the bottom of the shunt tube 52 are respectively provided with a sliding block 54, a sliding way is correspondingly arranged in the heat insulation layer, and the sliding block 54 can horizontally slide along the sliding way. Before the freezing chamber does not enter the freezing chamber, the shunt tube 52 is located at the initial position, at the moment, the tail end of the inserting tube 53 is flush with the heat insulation layer, after the freezing chamber is pushed into the freezing chamber, at the moment, the nitrogen conveying tube 51 is pushed, the nitrogen conveying tube 51 drives the shunt tube 52 to move, and the shunt tube 52 horizontally slides along a slide way in the heat insulation layer through the sliding block 54, so that the inserting tube 53 enters the inserting hole 34.
In order to facilitate pushing the insertion tube 53, the nitrogen delivery tube 51 penetrates through the heat insulation layer 11 and extends out of the freezing chamber 3, and an annular retainer ring 55 is arranged on the outer wall of the nitrogen delivery tube 51.
In one embodiment, the sealing door 2 is located on the front side of the freezer compartment 1 and is in rotational engagement with the freezer compartment 1. The sealing door 2 can be opened to facilitate the placement of the freezing chamber 3 in the freezer compartment 1.
In one embodiment, the inner side edge of the sealing door 2 is provided with a low-temperature sealing groove 21, and the edge of the refrigerator 1 is provided with a sealing protrusion matched with the low-temperature sealing groove 21. The sealing bulge can be inserted into the sealing groove, so that the edge of the sealing door is sealed with the refrigerator, the nitrogen in the refrigerator is prevented from overflowing, and frostbite and liquid nitrogen waste of a tester are avoided.
In one embodiment, the side of the freezing chamber 3 facing the sealing door 2 is formed with a recessed handle 31 to facilitate drawing the freezing chamber.
In one embodiment, the top of the placement hole 32 is formed with a square receiving cavity 33 for placing the sealing cap 41. The sealing cover 41 is flush with the top surface of the freezing chamber 3, so that the sealing effect is ensured and the drawing is convenient.
The utility model relates to a cell vitrification freezing device which is mainly applied to vitrification freezing preservation of germ cells and can be applied to vitrification freezing preservation of other cells at the same time.
The above embodiments are not intended to limit the present utility model, and the present utility model is not limited to the above examples, but is also intended to be limited to the following claims.
Claims (9)
1. The utility model provides a cell vitrification refrigerating plant that can put by layers which characterized in that: the refrigerator comprises a refrigerator (1), wherein a sealing door (2) is arranged on the refrigerator (1), a plurality of layers of refrigerating cavities (3) are sequentially arranged in the refrigerator (1) from top to bottom, and the refrigerating cavities (3) are drawer-shaped and are connected with the refrigerator (1) in a drawing manner;
a plurality of placing holes (32) are formed in the top of the freezing cavity (3), a placing tank (4) is placed in the placing holes (32) in a matched mode, a square sealing cover (41) is arranged on the placing tank (4) in a matched mode, and holding ports (42) for accommodating fingers are symmetrically formed in opposite sides of the sealing cover (41);
the side of the freezing cavity (3) is provided with a liquid nitrogen conveying mechanism (5), and the liquid nitrogen conveying mechanism (5) is positioned in the heat insulation layer of the freezing box (1) and can horizontally slide along the heat insulation layer.
2. The layered cell vitrification freezing apparatus as set forth in claim 1, wherein: the liquid nitrogen conveying mechanism (5) comprises a nitrogen conveying pipe (51) and a shunt pipe (52), one end of the nitrogen conveying pipe (51) is connected with a liquid nitrogen vaporizer, the other end of the nitrogen conveying pipe is communicated with the shunt pipe (52), a plurality of inserting pipes (53) are vertically connected to the side face of the shunt pipe (52), inserting holes (34) are correspondingly formed in the side face of the freezing cavity (3) respectively, and the inserting pipes (53) are inserted into the inserting holes (34).
3. The layered cell vitrification freezing apparatus as set forth in claim 2, wherein: the inserting hole (34) is provided with a shielding plate, one side of the shielding plate is rotationally connected with the freezing cavity (3), and the other side of the shielding plate is elastically connected with the freezing cavity (3) through a spring.
4. A layered cell vitrification freezer according to claim 3, wherein: the top and the bottom of the shunt tube (52) are respectively provided with a sliding block (54), the inside of the heat insulation layer is correspondingly provided with a sliding way, and the sliding blocks (54) can horizontally slide along the sliding way.
5. The layered cell vitrification freezing apparatus as set forth in claim 4, wherein: the nitrogen conveying pipe (51) penetrates through the heat insulation layer and extends out of the freezing cavity (3), and an annular check ring (55) is arranged on the outer wall of the nitrogen conveying pipe (51).
6. The layered cell vitrification freezing apparatus as set forth in claim 1, wherein: the sealing door (2) is positioned on the front side surface of the refrigerator (1) and is rotationally connected with the refrigerator (1).
7. The layered cell vitrification freezing apparatus as set forth in claim 6, wherein: the inner side edge of the sealing door (2) is provided with a low-temperature sealing groove (21), and the edge of the refrigerator (1) is provided with a sealing bulge which is matched with the low-temperature sealing groove (21).
8. The layered cell vitrification freezing apparatus as set forth in claim 1, wherein: the side of the freezing cavity (3) facing the sealing door (2) is provided with a concave handle (31).
9. The layered cell vitrification freezing apparatus as set forth in claim 1, wherein: a square accommodating cavity (33) for accommodating a sealing cover (41) is formed at the top of the accommodating hole (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321453231.9U CN220123814U (en) | 2023-06-08 | 2023-06-08 | Cell vitrification refrigerating device capable of being placed in layered mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321453231.9U CN220123814U (en) | 2023-06-08 | 2023-06-08 | Cell vitrification refrigerating device capable of being placed in layered mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220123814U true CN220123814U (en) | 2023-12-05 |
Family
ID=88953951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321453231.9U Active CN220123814U (en) | 2023-06-08 | 2023-06-08 | Cell vitrification refrigerating device capable of being placed in layered mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220123814U (en) |
-
2023
- 2023-06-08 CN CN202321453231.9U patent/CN220123814U/en active Active
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