CN221121854U - Vacuum heating device for liquid nitrogen biological container - Google Patents
Vacuum heating device for liquid nitrogen biological container Download PDFInfo
- Publication number
- CN221121854U CN221121854U CN202322833335.9U CN202322833335U CN221121854U CN 221121854 U CN221121854 U CN 221121854U CN 202322833335 U CN202322833335 U CN 202322833335U CN 221121854 U CN221121854 U CN 221121854U
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- CN
- China
- Prior art keywords
- temperature probe
- liquid nitrogen
- heating rod
- nitrogen biological
- guide tube
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 52
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000007788 liquid Substances 0.000 title claims abstract description 25
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 25
- 239000000523 sample Substances 0.000 claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000011152 fibreglass Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The utility model relates to a vacuum heating device for a liquid nitrogen biological container, which comprises a limit cover, wherein the center of the limit cover is provided with two through holes, one through hole is inserted with a heating rod guide pipe, and the other through hole is inserted with a temperature probe guide pipe; the bottom surface of the limit cover is provided with a plurality of circular grooves which are sequentially arranged from inside to outside, the circular grooves are concentric circles with different diameters, the circle center is the center of the limit cover, and the diameters of the circular grooves are respectively matched with the calibers of different liquid nitrogen biological containers. The utility model is suitable for liquid nitrogen biological containers with different diameters, does not need to frequently replace a fixing device, and improves the production efficiency.
Description
Technical Field
The utility model relates to the technical field of vacuumizing and heating, in particular to a vacuumizing and heating device for a liquid nitrogen biological container.
Background
The liquid nitrogen tank is also called as liquid nitrogen biological container, is a biological storage container, is commonly used for preserving active biological materials, and is widely used. The liquid nitrogen biological container needs to be provided with the temperature probe and the heating rod in the container when the container is heated and vacuumized, the specifications of the fixing plates of the temperature probe and the heating rod adopted at present are fixed, and the liquid nitrogen container has different specifications and different calibers, so that the fixing device of the current temperature probe and the heating rod is more complicated in the operation process, needs to be replaced frequently, and reduces the production efficiency.
Disclosure of Invention
The utility model aims to overcome the defects and provide a vacuum heating device for a liquid nitrogen biological container, which improves the production efficiency and keeps the internal heating of the container uniform.
The purpose of the utility model is realized in the following way:
the vacuum-pumping heating device for the liquid nitrogen biological container comprises a limiting cover, wherein two through holes are formed in the center of the limiting cover, a heating rod guide pipe is inserted into one through hole, and a temperature probe guide pipe is inserted into the other through hole; the bottom surface of the limit cover is provided with a plurality of circular grooves which are sequentially arranged from inside to outside, the circular grooves are concentric circles with different diameters, the circle center is the center of the limit cover, and the diameters of the circular grooves are respectively matched with the calibers of different liquid nitrogen biological containers; the heating rod guide tube is internally provided with a heating rod, and an adjustable fastening device is arranged on the heating rod guide tube and used for fastening the heating rod; the temperature probe guide tube is internally provided with a temperature probe, and an adjustable fastening device is arranged on the temperature probe guide tube and is used for the temperature probe.
Further, the top surface and the bottom surface of spacing lid are equipped with a steel pipe limiting plate respectively, be equipped with two spacing holes on the steel pipe limiting plate, a spacing hole matches with the heating rod stand pipe for the heating rod stand pipe pass through with spacing, another spacing hole matches with the temperature probe stand pipe, is used for the temperature probe stand pipe pass through with spacing.
Further, the side wall of the heating rod guide tube is provided with a bolt hole, an M5 butterfly screw is inserted into the bolt hole, and an M5 nut is sleeved on the M5 butterfly screw and used for fastening the heating rod.
Further, the side wall of the temperature probe guide tube is provided with a bolt hole, an M3 butterfly screw is inserted into the bolt hole, and an M3 nut is sleeved on the M3 butterfly screw and used for fastening the temperature probe.
Further, the limiting cover is a glass fiber reinforced plastic cover.
Compared with the prior art, the utility model has the beneficial effects that:
The vacuum heating device for the liquid nitrogen biological container is suitable for liquid nitrogen biological containers with different diameters, and a fixing device is not required to be frequently replaced, so that the production efficiency is improved; the temperature probe and the heating rod in the container are fixed in position during heating and vacuumizing, so that the interior of the container is uniformly heated, and the container is prevented from being damaged by contact with the inner wall of the container during heating of the heating rod; the limiting cover is made of glass fiber reinforced plastic, so that heat conduction can be reduced, the container is relatively airtight, and heat loss during heating is reduced.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
FIG. 2 is a schematic cross-sectional view of the present utility model.
Wherein:
The temperature probe guide tube comprises a limit cover 1, a first round groove 11, a second round groove 12, a third round groove 13, a heating rod guide tube 2, a temperature probe guide tube 3, a steel tube limit plate 4, an M5 nut 5, an M5 butterfly screw 6, an M3 nut 7 and an M3 butterfly screw 8.
Description of the embodiments
In order to better understand the technical solution of the present utility model, the following detailed description will be made with reference to the accompanying drawings. It should be understood that the following embodiments are not intended to limit the embodiments of the present utility model, but are merely examples of embodiments that may be employed by the present utility model. It should be noted that, the description herein of the positional relationship of the components, such as the component a being located above the component B, is based on the description of the relative positions of the components in the drawings, and is not intended to limit the actual positional relationship of the components.
Examples
Referring to fig. 1, fig. 1 shows a schematic structure of a vacuum heating device for a liquid nitrogen biological container according to the present utility model. As shown in the figure, the vacuum-pumping heating device for the liquid nitrogen biological container comprises a limiting cover 1, wherein the limiting cover 1 is arranged at a container opening of the liquid nitrogen biological container, two through holes are formed in the center of the limiting cover 1, a heating rod guide tube 2 is inserted into one through hole, a temperature probe guide tube 3 is inserted into the other through hole, a steel tube limiting plate 4 is respectively arranged on the top surface and the bottom surface of the limiting cover 1, two limiting holes are formed in the steel tube limiting plate 4, one limiting hole is matched with the heating rod guide tube 2 and used for limiting the passage of the heating rod guide tube 2, and the other limiting hole is matched with the temperature probe guide tube 3 and used for limiting the passage of the temperature probe guide tube 3.
The bottom surface of the limit cover 1 is provided with a first circular groove 11, a second circular groove 12 and a third circular groove 13 which are sequentially arranged from inside to outside, the first circular groove 11, the second circular groove 12 and the third circular groove 13 are concentric circles with different diameters, the circle center is the center of the limit cover 1, and the first circular groove 11, the second circular groove 12 and the third circular groove 13 are respectively matched with liquid nitrogen biological containers with three calibers.
A heating rod is arranged in the heating rod guide tube 2, a bolt hole is formed in the side wall of the heating rod guide tube 2, an M5 butterfly screw 6 is inserted into the heating rod guide tube, and an M5 nut 5 is sleeved on the M5 butterfly screw 6 and used for fastening the heating rod; temperature probe is arranged in the temperature probe guide tube 3, a bolt hole is formed in the side wall of the temperature probe guide tube 3, an M3 butterfly screw 8 is inserted into the temperature probe guide tube, and an M3 nut 7 is sleeved on the M3 butterfly screw 8 and used for fastening the temperature probe.
The limiting cover 1 is made of a glass fiber reinforced plastic cover, namely a glass fiber reinforced plastic material.
Working principle:
when the container with the other caliber is required to be replaced, the container is directly replaced without replacing the fixing device, and the matched circular groove is found on the limiting cover.
The foregoing is merely a specific application example of the present utility model, and the protection scope of the present utility model is not limited in any way. All technical schemes formed by equivalent transformation or equivalent substitution fall within the protection scope of the utility model.
Claims (5)
1. The utility model provides a liquid nitrogen biological container evacuation heating device which characterized in that: the device comprises a limit cover (1), wherein two through holes are formed in the center of the limit cover (1), a heating rod guide pipe (2) is inserted into one through hole, and a temperature probe guide pipe (3) is inserted into the other through hole; the bottom surface of the limit cover (1) is provided with a plurality of circular grooves which are sequentially arranged from inside to outside, the circular grooves are concentric circles with different diameters, the circle center is the center of the limit cover (1), and the diameters of the circular grooves are respectively matched with the calibers of different liquid nitrogen biological containers; a heating rod is arranged in the heating rod guide pipe (2), and an adjustable fastening device is arranged on the heating rod guide pipe (2) and used for fastening the heating rod; the temperature probe guide tube (3) is internally provided with a temperature probe, and the temperature probe guide tube (3) is provided with an adjustable fastening device for the temperature probe.
2. The vacuum heating device for a liquid nitrogen biological container according to claim 1, wherein: the top surface and the bottom surface of spacing lid (1) are equipped with a steel pipe limiting plate (4) respectively, be equipped with two spacing holes on steel pipe limiting plate (4), a spacing hole matches with heating rod stand pipe (2) for the passage and the spacing of heating rod stand pipe (2), another spacing hole matches with temperature probe stand pipe (3), is used for the passage and the spacing of temperature probe stand pipe (3).
3. The vacuum heating device for a liquid nitrogen biological container according to claim 1, wherein: the side wall of the heating rod guide tube (2) is provided with a bolt hole, an M5 butterfly screw (6) is inserted, and an M5 nut (5) is sleeved on the M5 butterfly screw (6) and used for fastening a heating rod.
4. The vacuum heating device for a liquid nitrogen biological container according to claim 1, wherein: the side wall of the temperature probe guide tube (3) is provided with a bolt hole, an M3 butterfly screw (8) is inserted, and an M3 nut (7) is sleeved on the M3 butterfly screw (8) and used for fastening the temperature probe.
5. The vacuum heating device for a liquid nitrogen biological container according to claim 1, wherein: the limiting cover (1) is a glass fiber reinforced plastic cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322833335.9U CN221121854U (en) | 2023-10-23 | 2023-10-23 | Vacuum heating device for liquid nitrogen biological container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322833335.9U CN221121854U (en) | 2023-10-23 | 2023-10-23 | Vacuum heating device for liquid nitrogen biological container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221121854U true CN221121854U (en) | 2024-06-11 |
Family
ID=91363598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322833335.9U Active CN221121854U (en) | 2023-10-23 | 2023-10-23 | Vacuum heating device for liquid nitrogen biological container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221121854U (en) |
-
2023
- 2023-10-23 CN CN202322833335.9U patent/CN221121854U/en active Active
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|---|---|---|---|
| GR01 | Patent grant |