CN206556899U - A kind of portable liquid nitrogen freezes sample sampler - Google Patents
A kind of portable liquid nitrogen freezes sample sampler Download PDFInfo
- Publication number
- CN206556899U CN206556899U CN201720288387.4U CN201720288387U CN206556899U CN 206556899 U CN206556899 U CN 206556899U CN 201720288387 U CN201720288387 U CN 201720288387U CN 206556899 U CN206556899 U CN 206556899U
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- China
- Prior art keywords
- liquid nitrogen
- outer barrel
- inner cylinder
- connecting rod
- bottom plate
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Abstract
Safety, which is sampled, the utility model discloses one kind and conveniently portable liquid nitrogen is sampled freezes sample sampler.The sampler, including inner cylinder, outer barrel, lid, the lower end of outer barrel is sealed by the first bottom plate, the lower end of inner cylinder is sealed by the second bottom plate, the upper end of outer barrel and the upper end of inner cylinder are sealed by annular slab, filter screen is provided with inner cylinder, when in use, lid need to only be opened, then rotating the first V-arrangement connecting rod and the second V-arrangement connecting rod makes the first in command, the second in command is located on the outside of outer barrel, then the liquid nitrogen in liquid nitrogen container is poured into inner cylinder together with biological sample, the first in command is held respectively with two hands afterwards and the second in command lifts filter screen, when droplets of liquid nitrogen is clean, biology in filter screen is poured out, whole process operating personnel will not contact liquid nitrogen, then would not also occur the generation of liquid nitrogen frostbite accident, sampling security is greatly improved, and sample very convenient quick.It is adapted in bioassay equipment technical field popularization and application.
Description
Technical field
The utility model is related to bioassay equipment technical field, and especially a kind of portable liquid nitrogen freezes sample sampler.
Background technology
At present, in laboratory molecule and physiological test, for the ease of experimental study, life is must assure that in process of the test
The activity of thing sample, to achieve these goals, at present, widespread practice is to freeze sample using liquid nitrogen, will need to keep activity
Biological sample be put into liquid nitrogen container, biological sample is freezed using the low-temperature characteristics of liquid nitrogen, needing carry out experimental study
When further take out, when biological sample is taken out from liquid nitrogen container, it is common practice to stretched into liquid nitrogen using clip
Biological sample is taken out in tank, although this mode has reached the purpose of test requirements document, still, operating personnel are in sampling, hand
The tank mouth or inwall of liquid nitrogen container are easily encountered, because temperature is relatively low in liquid nitrogen container, it is easy to by the hand frostbite of operating personnel, exist
Larger potential safety hazard, being additionally, since liquid nitrogen container is made using nontransparent material, when being sampled using clip,
The sample in liquid nitrogen container is not easily seen, causes sampling difficult, wastes time and energy.
Utility model content
The technical problem that the utility model is solved is to provide a kind of sampling safety and samples conveniently portable liquid nitrogen
Freeze sample sampler.
The utility model solves the technical scheme that its technical problem used：The portable liquid nitrogen freezes sample sampler,
Including inner cylinder, outer barrel, lid, the inner cylinder is arranged in outer barrel, and internal diameter of the external diameter less than outer barrel of inner cylinder, the outer barrel
Lower end is sealed by the first bottom plate, and the lower end of the inner cylinder is sealed by the second bottom plate, and second bottom plate is located at the first bottom plate
Top, the upper end of the outer barrel and the upper end of inner cylinder are sealed by annular slab, the outer wall of the inner cylinder, the inwall of outer barrel, annular
The lower surface of plate, the upper surface of the first bottom plate, the lower surface of the second bottom plate are surrounded in a closed cavity, the cavity jointly
It is evacuated in state, the inner cylinder and is provided with filter screen, the filter screen includes spacer screen and column net, the spacer screen and column net
Lower end be connected, the shape of the spacer screen is identical with the shape of the second bottom plate, the shape of the column net and the shape of inner cylinder
Identical, the upper end-face edge of the column net, which is fixed with annulus, the annulus, is fixed with the first V-arrangement connecting rod and the second V-arrangement company
Extension bar, one end of the first V-arrangement connecting rod is fixed on annulus by articulated structure, and the other end of the first V-arrangement connecting rod connects
The first in command is connected to, when it is in inverted V-shaped state to rotate the first V-arrangement connecting rod to make it, the first in command is located at the outside of outer barrel, described
One end of second V-arrangement connecting rod is fixed on annulus by articulated structure, and the other end of the second V-arrangement connecting rod is connected with second
Hand, when it is in inverted V-shaped state to rotate the second V-arrangement connecting rod to make it, the second in command is located at the outside of outer barrel, and first V-arrangement connects
Central axis of the extension bar with the second V-arrangement connecting rod around inner cylinder is symmetrical arranged, and the lid includes top plate and ring-type side plate, described
The upper end of ring-type side plate is set around the lower surface edge of top plate, the internal diameter of the ring-type side plate and the external diameter of outer barrel match and
Ring-type side plate is connected with outer barrel by detachable-type sealed structure.
It is further that the spacer screen is made with column net using stainless (steel) wire.
It is further that the detachable-type sealed structure includes the internal thread being arranged on ring-type side plate inwall and set
The external screw thread in outer tube outer surface upper end is put, the internal thread matches with external screw thread.
It is further that the lid is made of rubber.
It is further that liquid nitrogen pipe is provided with the lid, one end of the liquid nitrogen pipe extends to second through top plate
Bottom plate, the other end of the liquid nitrogen pipe, which is provided with fast connector, the liquid nitrogen pipe, is provided with liquid nitrogen pump, and the liquid nitrogen pump is consolidated
It is scheduled on cover top surface.
The beneficial effects of the utility model are：The portable liquid nitrogen freezes sample sampler when in use, need to only beat lid
Open, then rotating the first V-arrangement connecting rod and the second V-arrangement connecting rod makes the first in command, the second in command be located on the outside of outer barrel, then will
Liquid nitrogen in liquid nitrogen container is poured into inner cylinder together with biological sample, holds the first in command respectively and second with two hands afterwards
Hand lifts filter screen, during filter screen lifts, and liquid nitrogen leaks down along the mesh of filter screen, and biological sample is then stayed in filter screen,
When droplets of liquid nitrogen is clean, the biology in filter screen, which is poured out, can complete to sample process, and whole process operating personnel will not contact
Liquid nitrogen, then would not also occur the generation of liquid nitrogen frostbite accident, and sampling security is greatly improved, and sample very convenient fast
Speed, while being sealed outer barrel using lid, it is to avoid liquid nitrogen causes devolatilization, filter screen can be put into inner cylinder when not in use
In, the first in command, the second in command is located in inner cylinder while rotating the first V-arrangement connecting rod and the second V-arrangement connecting rod, so just may be used
It is very easy to use by cover cap, to prevent accessory from losing.
Brief description of the drawings
Fig. 1 is the structural representation that the portable liquid nitrogen of the utility model freezes sample sampler；
Fig. 2 is another use state structural representation that the portable liquid nitrogen of the utility model freezes sample sampler；
Description of reference numerals in figure：Inner cylinder 1, outer barrel 2, lid 3, top plate 301, ring-type side plate 302, the first bottom plate 4, second
Bottom plate 5, annular slab 6, cavity 7, filter screen 8, spacer screen 801, column net 802, annulus 9, the first V-arrangement connecting rod 10, the connection of the second V-arrangement
Bar 11, the first in command 12, the second in command 13, liquid nitrogen pipe 14, fast connector 15, liquid nitrogen pump 16.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and detailed description.
As shown in Figure 1, 2, the portable liquid nitrogen freezes sample sampler, including inner cylinder 1, outer barrel 2, lid 3, the inner cylinder 1
It is arranged in outer barrel 2, and the external diameter of inner cylinder 1 is less than the internal diameter of outer barrel 2, the lower end of the outer barrel 2 sealed by the first bottom plate 4,
The lower end of the inner cylinder 1 is sealed by the second bottom plate 5, and second bottom plate 5 is located at the top of the first bottom plate 4, the outer barrel 2 it is upper
End and the upper end of inner cylinder 1 are sealed by annular slab 6, the outer wall of the inner cylinder 1, the inwall of outer barrel 2, the lower surface of annular slab 6, the
The upper surface of one bottom plate 4, the lower surface of the second bottom plate 5 are surrounded jointly is pumped into very in a closed cavity 7, the cavity 7
Filter screen 8 is provided with dummy status, the inner cylinder 1, the filter screen 8 includes spacer screen 801 and column net 802, the spacer screen 801 and post
The lower end of shape net 802 is connected, and the shape of the spacer screen 801 is identical with the shape of the second bottom plate 5, the shape of the column net 802
Shape is identical with the shape of inner cylinder 1, and the upper end-face edge of the column net 802, which is fixed with annulus 9, the annulus 9, is fixed with the first V
The V-arrangement connecting rod 11 of shape connecting rod 10 and second, one end of the first V-arrangement connecting rod 10 is fixed on annulus 9 by articulated structure
On, the other end of the first V-arrangement connecting rod 10 is connected with the first in command 12, makes it be in inverted V-shaped shape when rotating the first V-arrangement connecting rod 10
During state, the first in command 12 is located at the outside of outer barrel 2, and one end of the second V-arrangement connecting rod 11 is fixed on circle by articulated structure
On ring 9, the other end of the second V-arrangement connecting rod 11 is connected with the second in command 13, makes it in V when rotating the second V-arrangement connecting rod 11
During shape state, the second in command 13 is located at the outside of outer barrel 2, and the first V-arrangement connecting rod 10 and the second V-arrangement connecting rod 11 are around interior
The central axis of cylinder 1 is symmetrical arranged, and the lid 3 includes top plate 301 and ring-type side plate 302, the upper end of the ring-type side plate 302
Lower surface edge around top plate 301 is set, and the internal diameter of the ring-type side plate 302 matches and ring-type side with the external diameter of outer barrel 2
Plate 302 is connected with outer barrel 2 by detachable-type sealed structure.The portable liquid nitrogen freeze sample sampler need when in use, only by
Lid 3 is opened, and then rotating the first V-arrangement connecting rod 10 and the second V-arrangement connecting rod 11 is located at the first in command 12, the second in command 13
The outside of outer barrel 2, then the liquid nitrogen in liquid nitrogen container is poured into inner cylinder 1, held respectively with two hands afterwards together with biological sample
Live in the first in command 12 and the second in command 13 lift filter screen 8, during filter screen 8 lifts, mesh leakage of the liquid nitrogen along filter screen 8
Under, biological sample is then stayed in filter screen 8, and when droplets of liquid nitrogen is clean, the biology in filter screen 8, which is poured out, can complete sampleman
Sequence, whole process operating personnel will not contact liquid nitrogen, then would not also occur the generation of liquid nitrogen frostbite accident, and sampling security is big
It is big to improve, and sampling is very convenient quick, while outer barrel 2 is sealed using lid 3, it is to avoid liquid nitrogen causes devolatilization,
Filter screen 8 can be put into inner cylinder 1 when not in use, while rotating the first V-arrangement connecting rod 10 and the second V-arrangement connecting rod 11 makes first
Handle 12, the second in command 13 are located in inner cylinder 1, so just can cover lid 3, prevent accessory from losing, use very
It is convenient.
In order to avoid filter screen 8 gets rusty, the spacer screen 801 is made with column net 802 using stainless (steel) wire, Ke Yiyan
Long Service Life.
Lid 3 is dismantled and installs for convenience, the detachable-type sealed structure includes being arranged on the inwall of ring-type side plate 302
On internal thread and be arranged on the external screw thread of the outer surface upper end of outer barrel 2, the internal thread matches with external screw thread.Install and
Rotating cover 3 is only needed during dismounting, it is very easy to use.
In order to improve its sealing, the lid 3 is made of rubber.
In addition, after sampling terminates, the liquid nitrogen in inner cylinder 1 is transferred in liquid nitrogen container for convenience, set on the lid 3
Be equipped with liquid nitrogen pipe 14, one end of the liquid nitrogen pipe 14 extends to the second bottom plate 5 through top plate 301, the liquid nitrogen pipe 14 it is another
End, which is provided with fast connector 15, the liquid nitrogen pipe 14, is provided with liquid nitrogen pump 16, and the liquid nitrogen pump 16 is fixed on top plate 301
Surface.Liquid nitrogen in inner cylinder 1 can be so pumped into the freezing that next biological sample is carried out in liquid nitrogen container using liquid nitrogen pump 16, entered
The situation that one step avoids liquid nitrogen frostbite operating personnel occurs, and security is further improved.
Claims (5)
1. a kind of portable liquid nitrogen freezes sample sampler, it is characterised in that：It is described including inner cylinder (1), outer barrel (2), lid (3)
Inner cylinder (1) is arranged in outer barrel (2), and internal diameter of the external diameter less than outer barrel (2) of inner cylinder (1), and the lower end of the outer barrel (2) passes through
First bottom plate (4) is sealed, and the lower end of the inner cylinder (1) is sealed by the second bottom plate (5), and second bottom plate (5) is located at first
Above bottom plate (4), the upper end of the outer barrel (2) is sealed with the upper end of inner cylinder (1) by annular slab (6), outside the inner cylinder (1)
Wall, the inwall of outer barrel (2), the lower surface of annular slab (6), the upper surface of the first bottom plate (4), the lower surface of the second bottom plate (5) are total to
Filter screen is provided with surrounding to be evacuated in a closed cavity (7), the cavity (7) in state, the inner cylinder (1)
(8), the filter screen (8) includes spacer screen (801) and column net (802), the spacer screen (801) and the lower end phase of column net (802)
Connection, the shape of the spacer screen (801) is identical with the shape of the second bottom plate (5), the shape and inner cylinder of the column net (802)
(1) shape is identical, and the upper end-face edge of the column net (802), which is fixed with annulus (9), the annulus (9), is fixed with the first V
Shape connecting rod (10) and the second V-arrangement connecting rod (11), one end of the first V-arrangement connecting rod (10) is fixed on by articulated structure
On annulus (9), the other end of the first V-arrangement connecting rod (10) is connected with the first in command (12), when the first V-arrangement connecting rod (10) of rotation
When making it in inverted V-shaped state, the first in command (12) is located at the outside of outer barrel (2), and one end of the second V-arrangement connecting rod (11) leads to
Cross articulated structure to be fixed on annulus (9), the other end of the second V-arrangement connecting rod (11) is connected with the second in command (13), works as rotation
When second V-arrangement connecting rod (11) makes it in inverted V-shaped state, the second in command (13) is located at the outside of outer barrel (2), first V-arrangement
Central axis of the connecting rod (10) with the second V-arrangement connecting rod (11) around inner cylinder (1) is symmetrical arranged, and the lid (3) includes top
Plate (301) and ring-type side plate (302), the upper end of the ring-type side plate (302) are set around the lower surface edge of top plate (301),
The internal diameter of the ring-type side plate (302) and the external diameter of outer barrel (2) match and ring-type side plate (302) with outer barrel (2) by removable
Formula sealing structure is unloaded to be connected.
2. portable liquid nitrogen as claimed in claim 1 freezes sample sampler, it is characterised in that：The spacer screen (801) and column
Net (802) is made using stainless (steel) wire.
3. portable liquid nitrogen as claimed in claim 2 freezes sample sampler, it is characterised in that：The detachable-type sealed structure
It is described including the internal thread being arranged on ring-type side plate (302) inwall and the external screw thread for being arranged on outer barrel (2) outer surface upper end
Internal thread matches with external screw thread.
4. portable liquid nitrogen as claimed in claim 3 freezes sample sampler, it is characterised in that：The lid (3) uses rubber
It is made.
5. portable liquid nitrogen as claimed in claim 4 freezes sample sampler, it is characterised in that：It is provided with the lid (3)
Liquid nitrogen pipe (14), one end of the liquid nitrogen pipe (14) extends to the second bottom plate (5), the liquid nitrogen pipe (14) through top plate (301)
The other end be provided with fast connector (15), the liquid nitrogen pipe (14) and be provided with liquid nitrogen pump (16), the liquid nitrogen pump (16)
It is fixed on top plate (301) upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720288387.4U CN206556899U (en) | 2017-03-22 | 2017-03-22 | A kind of portable liquid nitrogen freezes sample sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720288387.4U CN206556899U (en) | 2017-03-22 | 2017-03-22 | A kind of portable liquid nitrogen freezes sample sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206556899U true CN206556899U (en) | 2017-10-13 |
Family
ID=60015548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720288387.4U Expired - Fee Related CN206556899U (en) | 2017-03-22 | 2017-03-22 | A kind of portable liquid nitrogen freezes sample sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206556899U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109160680A (en) * | 2018-09-26 | 2019-01-08 | 重庆工商大学 | Efficient sewage treatment installation |
-
2017
- 2017-03-22 CN CN201720288387.4U patent/CN206556899U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109160680A (en) * | 2018-09-26 | 2019-01-08 | 重庆工商大学 | Efficient sewage treatment installation |
| CN109160680B (en) * | 2018-09-26 | 2021-02-12 | 重庆工商大学 | High-efficiency sewage treatment equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 Termination date: 20180322 |