CN110050781B - Liquid nitrogen container - Google Patents
Liquid nitrogen container Download PDFInfo
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- CN110050781B CN110050781B CN201910349748.5A CN201910349748A CN110050781B CN 110050781 B CN110050781 B CN 110050781B CN 201910349748 A CN201910349748 A CN 201910349748A CN 110050781 B CN110050781 B CN 110050781B
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- liquid nitrogen
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- box
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 196
- 239000007788 liquid Substances 0.000 title claims abstract description 161
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 98
- 238000007710 freezing Methods 0.000 claims abstract description 96
- 230000008014 freezing Effects 0.000 claims abstract description 96
- 238000003780 insertion Methods 0.000 claims abstract description 14
- 230000037431 insertion Effects 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims description 4
- 230000006378 damage Effects 0.000 abstract description 5
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000000130 stem cell Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005138 cryopreservation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N1/00—Preservation of bodies of humans or animals, or parts thereof
- A01N1/10—Preservation of living parts
- A01N1/14—Mechanical aspects of preservation; Apparatus or containers therefor
- A01N1/142—Apparatus
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
本发明涉及一种日常生活用品，具体涉及一种液氮罐。包括罐体、罐盖、放置件、冷冻装置、复位装置和取放件；放置件固定安装在罐体内，放置件设有连通所述液氮腔室的通液孔；冷冻装置包括冷冻箱和冷冻盒，冷冻箱的底部设有插装孔，冷冻箱的顶部设有安装口；冷冻盒放置在冷冻箱内；复位装置的一端滑动插装在通液孔内，复位装置的另一端能插入插装孔，复位装置的内部设有通道，通道靠近通液孔的一端设有连通通液孔的进液孔；取放件的底端上下滑动安装在冷冻箱的外表面，取放件的顶端位于罐体的管口处。本发明的目的是解决液氮罐的罐体内大量的液氮流失，液氮挥发严重；并且液氮的极低温度容易导致操作人员的身体伤害的问题。
The invention relates to a daily necessities, in particular to a liquid nitrogen tank. It includes a tank body, a tank cover, a placing piece, a freezing device, a reset device and a pick-and-place piece; the placing piece is fixedly installed in the tank body, and the placing piece is provided with a liquid through hole communicating with the liquid nitrogen chamber; the freezing device includes a freezing box and Freezer box, the bottom of the freezer box is provided with an insertion hole, and the top of the freezer box is provided with an installation port; the freezer box is placed in the freezer box; one end of the reset device is slidably inserted into the liquid through hole, and the other end of the reset device can be inserted The insertion hole, the inside of the reset device is provided with a channel, and the end of the channel close to the liquid passage hole is provided with a liquid inlet hole that communicates with the liquid passage hole; The top is located at the mouth of the tank. The purpose of the present invention is to solve the problem that a large amount of liquid nitrogen is lost in the tank of the liquid nitrogen tank, and the volatilization of the liquid nitrogen is serious; and the extremely low temperature of the liquid nitrogen easily causes the physical injury of the operator.
Description
Technical Field
The invention relates to an article for daily use, in particular to a liquid nitrogen tank.
Background
The liquid nitrogen container is a container based on liquid nitrogen refrigeration, and is widely applied to hospitals and laboratories and mainly used for preserving biological tissues such as blood, stem cells and the like.
Traditional liquid nitrogen container's structure adopts the double-deck vacuum tank that the welding formed, and top skew center department has an opening, and inside has an inner rotating body that can rotate, places the hand-basket on the inner rotating body, and the pipe is deposited to the freezing of the interior loading of hand-basket, and the liquid nitrogen is equipped with in the inner vacuum container body, and the degree of depth of liquid nitrogen is adjusted according to the required temperature of reality, and the biological tissue that packs on arranging the hand-basket in places in the environment of one hundred degrees centigrade, can reach long-term fresh-keeping purpose.
Along with the increase of the refrigeration requirements of biological tissues such as blood, stem cells and the like, the storage and the taking of the cryopreservation tube become time-consuming and labor-consuming, and if the links such as uncovering, rotating the inner rotor, stretching into a clamping tool and the like are not well matched, a large amount of liquid nitrogen in the tank body can be lost, and the liquid nitrogen is seriously volatilized; in addition, the extremely low temperature of the nitrogen liquid may cause physical harm to the operator. Therefore, in situations where access to the vial is frequent, it has become increasingly difficult for conventional liquid nitrogen containers to accommodate the need for quick and safe access to the vial.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a liquid nitrogen tank, which aims to solve the problems that a large amount of liquid nitrogen in a tank body is lost and the liquid nitrogen is seriously volatilized in the process of frequently storing a freezing pipe in the liquid nitrogen tank; and the extremely low temperature of liquid nitrogen easily causes a problem of physical injury of operators.
In order to achieve the purpose, the invention adopts the following technical scheme: a liquid nitrogen tank comprises a tank body and a tank cover, wherein the tank cover covers the tank body, and the liquid nitrogen tank also comprises a placing part, a freezing device, a resetting device and a taking and placing part; the placing piece is fixedly arranged in the tank body, a concave liquid nitrogen cavity is formed between the placing piece and the bottom of the tank body, and the placing piece is provided with a liquid through hole communicated with the liquid nitrogen cavity; the refrigerating device comprises a refrigerating box and a refrigerating box, the refrigerating box is positioned at the top of the placing part, the top of the refrigerating box is provided with a mounting port, the bottom of the refrigerating box is provided with an insertion hole, the orifice of the insertion hole is smaller than the orifice of the liquid through hole, and the insertion hole is communicated with the liquid through hole to form a liquid inlet through hole when the refrigerating box is placed on the placing part; the freezing box is placed in the freezing box, and the top of the freezing box is detachably arranged in the mounting opening; the resetting device is inserted into the liquid inlet through hole in a sliding manner and can block the liquid inlet through hole, a channel is arranged in the resetting device, a liquid inlet hole communicated with the liquid inlet through hole is formed in one end, close to the bottom of the tank body, of the channel, and one end, close to the freezing box, of the channel penetrates through the resetting device; the bottom end of the taking and placing piece is vertically and slidably arranged on the outer surface of the freezing box, and the top end of the taking and placing piece is located at the pipe opening of the tank body and used for taking and placing the freezing box.
When the technical scheme is adopted, the liquid nitrogen chamber is filled with liquid nitrogen, when the biological product needs to be refrigerated, the cover is opened, the taking and placing piece is pulled upwards, the taking and placing piece drives the freezing box to move upwards, when the freezing box is driven by the freezing box to move upwards to the tank opening, the biological product is put into the freezing box and then is put into the taking and placing part downwards, so that the freezing box with the biological product moves downwards along with the freezing box, when the freezing box is placed on the placing piece, the resetting device is inserted into the inserting hole, meanwhile, the resetting device enables the liquid inlet hole to be exposed out of the liquid through hole along with the downward movement of the freezing box, liquid nitrogen in the concave liquid nitrogen chamber enters the liquid inlet hole and enters the freezing box through the channel to refrigerate biological products in the freezing box, therefore, in the process of frequently storing the freezing tube in the liquid nitrogen tank, the liquid nitrogen in the tank body cannot be lost, and the volatilization of the liquid nitrogen is reduced; and the liquid nitrogen can not directly contact with the body of the operator, and can not cause harm to the body of the operator.
Furthermore, the resetting device comprises a support rod, a tension spring and a loop bar, the channel is arranged in the support rod, the support rod comprises an upper end part and a lower end part, the diameter of the upper end part is smaller than that of the lower end part, the lower end part of the support rod is inserted into the liquid through hole in a sliding manner, and the upper end part of the support rod can be inserted into the insertion hole; the loop bar is located the drill way department that is close to jar body bottom of liquid through hole, and can plug up the liquid through hole, loop bar and branch fixed connection, the extension spring suit is at the surface of loop bar, and the one end fixed mounting of extension spring is at the surface of the bottom of loop bar, and the other end fixed mounting of extension spring is in the bottom of placing being close to the liquid through hole of piece.
Along with the downward movement of the freezing box, the upper end part of the supporting rod is inserted into the insertion hole, meanwhile, the lower end part of the supporting rod is under the pressure of the freezing box, the supporting rod pushes the loop bar to move towards the bottom of the tank body, so that the liquid inlet hole is exposed from the liquid through hole, and then liquid nitrogen in the concave liquid nitrogen chamber enters from the liquid inlet hole and passes through the channel to enter the freezing box to refrigerate biological products in the freezing box.
Further, the jar body includes the outer jar of body and the inner tank body, be equipped with the cavity between the outer jar of body and the inner tank body, the bottom of the inner tank body is equipped with the intercommunication the through-hole of cavity, the jar mouth of the inner tank body be located the well upper portion of the outer jar of body and with the inner wall fixed connection of the outer jar of body, place a fixed mounting in the inner tank body and form concave liquid nitrogen cavity with the bottom of the inner tank body.
Through the setting of the outer tank body and the inner tank body, more liquid nitrogen can be filled into the cavity, the pressure formed by the height difference of the liquid nitrogen in the tank body is larger, the liquid nitrogen can rapidly enter the freezing box conveniently, and the refrigeration effect of biological products in the freezing box is better.
Furthermore, the freezing device also comprises a rotating device, wherein the wall of the freezing box is provided with an installation groove, and a notch of the installation groove extends from the top to the bottom of the freezing box; the rotating device is sealed and rotatably arranged in the mounting groove; one side of the rotating device, which is close to the inner wall of the tank body, is fixedly connected with the bottom end of the taking and placing piece, and the rotating device is used for discharging liquid nitrogen in the freezing box when the taking and placing piece moves upwards.
Through setting up rotating device, when the pulling was got and is put the piece, get and put a drive rotating device and rotate, one side that rotating device is located the inner wall that is close to the jar body was in the downstream for rotating device compresses the liquid nitrogen in the freezer, presses the liquid nitrogen in the freezer back to in the liquid nitrogen cavity, thereby makes and can not have the liquid nitrogen in the freezer.
Further, rotating device is including rotating piece and slide, it rotates and installs in the mounting groove to rotate the piece, rotates the one side that is close to the inner wall of the jar body and gets a fixed connection, the one side that is close to freezing box of rotation piece with the one end fixed connection of slide, sliding connection about the other end of slide and the outer wall of freezing box, the liquid through hole can be plugged up to the slide under the state of upwards pulling to the freezer.
When the pulling is taken and put, the taking and putting part drives the rotating part to rotate, one side of the rotating part, which is positioned close to the inner wall of the tank body, is in downward movement, so that the sliding plate is driven to move downward, and the pressure generated by the sliding plate enables the liquid nitrogen in the freezing box to be pushed back to the liquid nitrogen chamber, so that the liquid nitrogen cannot exist in the freezing box.
Furthermore, a plurality of protruding portions are arranged at the top of the placing piece, liquid through holes are formed in the protruding portions, and concave portions matched with the protruding portions are formed in the bottom of the freezing box.
The freezer is installed on the bellying of placing the piece, can fix the freezer, avoids the freezer to take place the displacement, avoids the biological product in the freezer box to take place to empty.
The beneficial effect that this scheme produced is: 1. through setting up concave liquid nitrogen cavity for the liquid nitrogen forms the difference in height, and through setting up freezer, freezing box and resetting means, resetting means is along with moving down of freezer for the feed liquor hole exposes from leading to the liquid hole, and the biological product in the freezer is refrigerated in the liquid hole is got into to the interior liquid nitrogen entering of concave liquid nitrogen cavity and passing the passageway and entering into the freezer. Therefore, in the process of frequently storing the freezing tube in the liquid nitrogen tank, the liquid nitrogen in the tank body cannot be lost, and the volatilization of the liquid nitrogen is reduced; and the liquid nitrogen can not directly contact with the body of the operator, and can not cause harm to the body of the operator.
2. Through setting up the rotating device including rotating piece and slide, when the pulling was got and is put, get and put a drive and rotate a rotation, it is located the one side that is close to the inner wall of the jar body and is in the downstream to rotate the piece, thereby drive the slide downstream, the pressure that the slide produced makes the liquid nitrogen in the freezer push back to the liquid nitrogen cavity, thereby make the freezer in can not have the liquid nitrogen, thereby reduced volatilizing of the liquid nitrogen in the liquid nitrogen jar, and make liquid nitrogen in the liquid nitrogen jar can reuse.
Drawings
FIG. 1 is a front cross-sectional view of a liquid nitrogen tank of the present invention;
FIG. 2 is a top view of a liquid nitrogen container of the present invention;
fig. 3 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the can body 1, the outer can body 11, the inner can body 12, the can cover 2, the placing member 3, the boss 31, the freezing device 4, the freezing box 41, the freezing box 42, the rotating device 43, the rotating piece 431, the sliding plate 432, the resetting device 5, the supporting rod 51, the tension spring 52, the loop bar 53 and the taking and placing member 6.
As shown in fig. 1 to 3, a liquid nitrogen tank includes a tank body 1, a tank cover 2, a placing member 3, a freezing device 4, a resetting device 5 and a taking and placing member 6.
As shown in fig. 1, a can lid 2 is closed on a can body 1, and a placing member 3 is fixedly installed in the can body 1 and forms a concave liquid nitrogen chamber with the bottom of the can body 1. In this embodiment, the tank body 1 includes an outer tank body 11 and an inner tank body 12, a cavity is provided between the outer tank body 11 and the inner tank body 12, a through hole communicated with the cavity is provided at the bottom of the inner tank body 12, a tank opening of the inner tank body 12 is located at the middle upper portion of the outer tank body 11 and is fixedly connected with the inner wall of the outer tank body 11, and the placing member 3 is fixedly installed in the inner tank body 12 and forms a concave liquid nitrogen chamber with the bottom of the inner tank body 12. Through the setting of outer jar of body 11 and inner tank of body 12 for more liquid nitrogen can be packed into in the cavity, make the pressure that the difference in height of the interior liquid nitrogen of jar body 1 formed bigger, the liquid nitrogen of being convenient for can be more quick enter into in the freezer 41, thereby better to the cold-stored effect of the biological product in freezing box 42.
As shown in fig. 1 and 3, the placing member 3 is provided with a liquid through hole communicated with the liquid nitrogen chamber; the placing piece 3 is fixedly arranged in the tank body 1 and forms a concave liquid nitrogen chamber with the bottom of the tank body 1, and the placing piece 3 is provided with a liquid through hole communicated with the liquid nitrogen chamber. The freezing device 4 comprises a freezing box 41 and a freezing box 42, the freezing box 41 is positioned at the top of the placing part 3, the top of the freezing box 41 is provided with a mounting opening, the bottom of the freezing box 41 is provided with a plug-in hole, the orifice of the plug-in hole is smaller than the orifice of the liquid through hole, and the plug-in hole is communicated with the liquid through hole to form a liquid inlet through hole when the freezing box 41 is placed on the placing part 3; the freezing box 42 is placed in the freezing chamber 41, and the top of the freezing box 42 is detachably mounted in the mounting opening.
The resetting device 5 is inserted into the liquid inlet through hole in a sliding mode and can block the liquid inlet through hole, a channel is arranged inside the resetting device 5, the liquid inlet hole communicated with the liquid inlet through hole is formed in the lower end of the channel, and the upper end of the channel penetrates through the resetting device 5. The bottom end of the taking and placing part 6 is arranged on the outer surface of the freezing box 41 in a vertical sliding mode, and the top end of the taking and placing part 6 is located at the pipe opening of the tank body 1. In this embodiment, the top of placing piece 3 is equipped with a plurality of bellying 31, and is a plurality of bellying 31 all is equipped with the through liquid hole, and the bottom of freezer 41 is equipped with the concave part with bellying 31 matched with, and wherein, bellying 31 is six. The freezing chamber 41 is mounted on the boss 31 of the placing member 3, and the freezing chamber 41 can be fixed to prevent the freezing chamber 41 from being displaced and prevent the biological product in the freezing box 42 from falling.
The method comprises the steps that liquid nitrogen is filled in a liquid nitrogen chamber, when the biological products need to be refrigerated, a tank cover 2 is opened, a taking and placing part 6 is pulled upwards, the taking and placing part 6 drives a freezing box 41 to move upwards, when the freezing box 41 drives the freezing box 42 to move upwards to a tank opening, the biological products are placed into the freezing box 42 and then are placed downwards into the taking and placing part 6, the freezing box 42 filled with the biological products moves downwards along with the freezing box 41, when the freezing box 41 is placed on a placing part 3, a resetting device 5 is inserted into an insertion hole, meanwhile, the resetting device 5 moves downwards along with the freezing box 41 to enable a liquid inlet hole to be exposed from a liquid through hole, and liquid nitrogen in a concave liquid nitrogen chamber enters the liquid inlet hole and passes through a channel to enter the freezing box 41 to refrigerate the biological products in the freezing box 42.
In order to avoid volatilization of liquid nitrogen, in the embodiment, as shown in fig. 3, the resetting device 5 comprises a support rod 51, a tension spring 52 and a sleeve rod 53, a channel is arranged inside the support rod 51, the support rod 51 comprises an upper end part and a lower end part, the diameter of the upper end part is smaller than that of the lower end part, the lower end part of the support rod 51 is slidably inserted into the liquid through hole, and the upper end part of the support rod 51 can be inserted into the insertion hole; the loop bar 53 is located the drill way department that is close to jar body 1 bottom of liquid through hole, and can block up the liquid through hole, loop bar 53 and branch 51 fixed connection, and extension spring 52 suit is at the surface of loop bar 53, and the one end fixed mounting of extension spring 52 is at the surface of the bottom of loop bar 53, and the other end fixed mounting of extension spring 52 is in the bottom that is close to the liquid through hole of placing piece 3.
With the downward movement of the freezing box 41, the upper end of the supporting rod 51 is inserted into the insertion hole, meanwhile, the lower end of the supporting rod 51 is pressed by the freezing box 41, the supporting rod 51 pushes the loop bar 53 to move towards the bottom of the tank body 1, so that the liquid inlet hole is exposed from the liquid through hole, and further, liquid nitrogen in the concave liquid nitrogen chamber enters from the liquid inlet hole and enters the freezing box 41 through the channel to refrigerate the biological products in the freezing box 42.
In order to facilitate discharging the liquid nitrogen in the freezing box 41, in the embodiment, as shown in fig. 1 and 3, the freezing device 4 further includes a rotating device 43, a box wall of the freezing box 41 is provided with an installation groove, and a notch of the installation groove extends from the top to the bottom of the freezing box 41; the rotating device 43 is sealed and rotatably arranged in the mounting groove; one side of the rotating device 43 close to the inner wall of the tank body 1 is fixedly connected with the bottom end of the taking and placing part 6, and the rotating device 43 is used for discharging liquid nitrogen in the freezing box 41 when the taking and placing part 6 moves upwards. The rotating device 43 comprises a rotating part 431 and a sliding plate 432, the rotating part 431 is rotatably installed in the installation groove, one side of the rotating part 431 close to the inner wall of the tank body 1 is fixedly connected with the taking and placing part 6, one side of the rotating part 431 close to the freezing box 42 is fixedly connected with one end of the sliding plate 432, the other end of the sliding plate 432 is vertically and slidably connected with the outer wall of the freezing box 42, and the sliding plate 432 can block the liquid through hole when the freezing box 41 is pulled upwards.
Through setting up rotating device 43, when pulling is got and is put piece 6, get and put piece 6 and drive rotating device 43 and rotate, rotating device 43 is located the one side that is close to the inner wall of jar body 1 and is in the downstream for rotating device 43 compresses the liquid nitrogen in freezer 41, presses the liquid nitrogen back to in the liquid nitrogen cavity to the liquid nitrogen in freezer 41, thereby makes there be not liquid nitrogen in the freezer 41.
It should be noted that the above preferred embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not cause the essence of the corresponding technical solution to depart from the scope of the technical solution of the embodiments of the present invention, and are intended to be covered by the claims and the specification of the present invention.
Claims (6)
1. The utility model provides a liquid nitrogen container, includes a jar body and cover, the cover lid closes on jar body which characterized in that: the freezing device is arranged on the upper part of the shell;
the placing piece is fixedly arranged in the tank body, a concave liquid nitrogen cavity is formed between the placing piece and the bottom of the tank body, and the placing piece is provided with a liquid through hole communicated with the liquid nitrogen cavity;
the refrigerating device comprises a refrigerating box and a refrigerating box, the refrigerating box is positioned at the top of the placing part, the top of the refrigerating box is provided with a mounting port, the bottom of the refrigerating box is provided with an insertion hole, the orifice of the insertion hole is smaller than the orifice of the liquid through hole, and the insertion hole is communicated with the liquid through hole to form a liquid inlet through hole when the refrigerating box is placed on the placing part; the freezing box is placed in the freezing box, and the top of the freezing box is detachably arranged in the mounting opening;
the resetting device is inserted into the liquid inlet through hole in a sliding manner and can block the liquid inlet through hole, a channel is arranged in the resetting device, a liquid inlet hole communicated with the liquid inlet through hole is formed in one end, close to the bottom of the tank body, of the channel, and one end, close to the freezing box, of the channel penetrates through the resetting device;
the bottom end of the taking and placing piece is vertically and slidably arranged on the outer surface of the freezing box, and the top end of the taking and placing piece is located at the pipe opening of the tank body and used for taking and placing the freezing box.
2. The liquid nitrogen tank according to claim 1, characterized in that: the resetting device comprises a support rod, a tension spring and a loop bar, the channel is arranged in the support rod, the support rod comprises an upper end part and a lower end part, the diameter of the upper end part is smaller than that of the lower end part, the lower end part of the support rod is inserted into the liquid through hole in a sliding manner, and the upper end part of the support rod can be inserted into the insertion hole; the loop bar is located the drill way department that is close to jar body bottom of liquid through hole, and can plug up the liquid through hole, loop bar and branch fixed connection, the extension spring suit is at the surface of loop bar, and the one end fixed mounting of extension spring is at the surface of the bottom of loop bar, and the other end fixed mounting of extension spring is in the bottom of placing being close to the liquid through hole of piece.
3. The liquid nitrogen tank according to claim 1, characterized in that: the jar body is including outer jar of body and the inner tank body, be equipped with the cavity between outer jar of body and the inner tank body, the bottom of the inner tank body is equipped with the intercommunication the through-hole of cavity, the jar mouth of the inner tank body be located the well upper portion of the outer jar of body and with the inner wall fixed connection of the outer jar of body, place a fixed mounting in the inner tank body and form concave liquid nitrogen cavity with the bottom of the inner tank body.
4. The liquid nitrogen tank according to claim 1, characterized in that: the freezing device also comprises a rotating device, wherein the wall of the freezing box is provided with an installation groove, and a notch of the installation groove extends from the top to the bottom of the freezing box; the rotating device is sealed and rotatably arranged in the mounting groove; one side of the rotating device, which is close to the inner wall of the tank body, is fixedly connected with the bottom end of the taking and placing piece, and the rotating device is used for discharging liquid nitrogen in the freezing box when the taking and placing piece moves upwards.
5. The liquid nitrogen tank according to claim 4, characterized in that: rotating device is including rotating piece and slide, rotate the piece and rotate and install in the mounting groove, rotate one side that is close to the inner wall of the jar body and get a fixed connection, rotate one side that is close to freezing box with the one end fixed connection of slide, sliding connection about the other end of slide and the outer wall of freezing box, the liquid hole can be plugged up to the slide under the state of upwards pulling to the freezing case.
6. Liquid nitrogen tank according to claim 1 or 5, characterized in that: the top of placing the piece is equipped with a plurality of bellyings, and a plurality of the bellyings all are equipped with the liquid through hole, the bottom of freezer be equipped with bellyings complex concave part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910349748.5A CN110050781B (en) | 2019-04-28 | 2019-04-28 | Liquid nitrogen container |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910349748.5A CN110050781B (en) | 2019-04-28 | 2019-04-28 | Liquid nitrogen container |
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| CN110050781A CN110050781A (en) | 2019-07-26 |
| CN110050781B true CN110050781B (en) | 2021-02-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN217321606U (en) * | 2022-03-11 | 2022-08-30 | 上海原能细胞生物低温设备有限公司 | Biological sample low temperature freezes deposits device storage facilities |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4757692A (en) * | 1987-12-14 | 1988-07-19 | Mcdonald Gordon K | Embryo freezer |
| CN204197512U (en) * | 2014-09-29 | 2015-03-11 | 内蒙古民族大学 | A kind of freeze pipe and get the dual-purpose liquid nitrogen container pail of liquid nitrogen deposited |
| CN207769821U (en) * | 2017-12-21 | 2018-08-28 | 龙南县中利再生资源开发有限公司 | A kind of sulfuric acid holding vessel conveniently taken |
| CN208238338U (en) * | 2018-05-28 | 2018-12-14 | 四川驰鼎盛通生物科技有限公司 | Stem cell storage facilities |
| CN208318104U (en) * | 2018-06-26 | 2019-01-04 | 吉林省太阳鸟再生医学工程有限责任公司 | Cell storage device |
| CN208755031U (en) * | 2018-08-07 | 2019-04-19 | 云南省第一人民医院 | Cryopreservation device for reproductive medicine |
| CN109335325B (en) * | 2018-10-09 | 2023-06-27 | 上海原能细胞生物低温设备有限公司 | Biological sample partition cooling storage device and operation method thereof |
| CN109630866B (en) * | 2018-12-27 | 2020-07-31 | 重庆市潼南区金盛气体有限公司 | Liquid nitrogen storage tank with pneumatic safety protection |
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