CN209677195U - A kind of liquid nitrogen container - Google Patents
A kind of liquid nitrogen container Download PDFInfo
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- CN209677195U CN209677195U CN201920321788.4U CN201920321788U CN209677195U CN 209677195 U CN209677195 U CN 209677195U CN 201920321788 U CN201920321788 U CN 201920321788U CN 209677195 U CN209677195 U CN 209677195U
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Abstract
A kind of liquid nitrogen container disclosed by the utility model, the liquid nitrogen container includes tank body and cover, pail is hung in tank body, pail includes mentioning pole and cylinder, mentions pole and is hung in tank body top end opening through slot by being set to the buckle on its top, hingedly sets cover in cylinder top, cylinder bottom surface is inclined to set, port is set on the lower side tube-wall in cylinder bottom surface, port two sides, which extend outwardly, surrounds isolating cylinder, and isolation bucket top is arranged lower than port top；Vertical shaft is set close to port side in cylinder, a circular hole being correspondingly arranged with vertical shaft is set on cover, the top of vertical shaft is pierced by circular hole and is flush with pole top is mentioned, rotation barrier piece is set on the outside of the vertical shaft of inner barrel, each barrier piece width is less than or equal to the spacing of vertical shaft and port two sides.The liquid nitrogen container energy fast and easy and accurately take and freeze cuvette sample, good seal performance can monitor temperature change in tank body in real time, greatly improve work efficiency.
Description
Technical field
The utility model relates to livestock-raising technical field, specifically a kind of liquid nitrogen container.
Background technique
During livestock-raising, the products such as scientific research cell need to carry out liquid nitrogen frozen preservation by test tube.Existing liquid
Nitrogen jar structure is simple, and the test tube of freezen protective is needed generally to be placed in bucket, and bucket is hung on liquid nitrogen by filament
It in the through slot of tank opening, fetches to freeze cuvette sample all and need every time and steadily pulls filament until bucket is drawn out, operate numerous
Trivial, the time is long, fetches and freezes the process of cuvette sample and will cause the loss of a large amount of liquid nitrogen, wastes very much.
Currently, also having using the design hanging on bucket by pull rod in liquid nitrogen container opening, however, due to bucket
The empty barrel of the open setting in generally one simple upper end, test tube, which is accumulated, takes very inconvenient in it, not can guarantee every time accurately
It takes and individually freezes cuvette sample, operating difficulties；And the bucket of this kind of storage mode and its internal test tube placed are easy
It floats, so that test tube is fallen liquid nitrogen container tank bottom can not take out；In addition, the cover of liquid nitrogen container generally uses the form lid of corking to close, it is close
Envelope property is poor, and liquid nitrogen is easy to be lost, and causes significant wastage；Liquid nitrogen container in use, with the gradually loss of liquid nitrogen, temperature meeting
It changes, existing liquid nitrogen jar structure is unable to satisfy the needs that people grasp temperature change in liquid nitrogen container in real time, gives freezing
Work belt carrys out many troubles.
Utility model content
Accumulating utility model aims to solve above-mentioned test tube takes very inconvenient in it, it is accurate every time not can guarantee
Take and individually freeze cuvette sample problem, a kind of liquid nitrogen container is provided.
The technical solution adopted by the utility model to solve its technical problems is that:
A kind of liquid nitrogen container, including tank body and the cover that can be freely opened set on tank body top end opening, along tank body in tank body
Circumferencial direction is uniformly linked with several pails, the pail include mention pole and with the cylinder that mentions pole bottom end and connect, mention pole top
It is connect at tank body top end opening, cylinder bottom end is equipped with inclination, along cylinder height side on the barrel of the lower side in cylinder bottom surface
Extend outwardly to the two sides for being equipped with port, the port and surround an isolating cylinder, is equipped with a bottom close to port side in inner barrel
Hold the vertical shaft that connect with cylinder bottom end, vertical shaft is along the circumferential direction uniformly provided with several and rotates barrier piece, rotate every
Baffle is arranged along cylinder short transverse, and rotation barrier piece is located in cylinder, and it is vertical that the width of the rotation barrier piece is less than or equal to
The spacing of shaft and port two sides；
The cylinder top is equipped with cover, and cover is equipped with a circular hole passed through for vertical shaft, the vertical shaft
Top is flush with pole top is mentioned.
Further, the pole top that mentions is equipped with buckle.
Further, for the side wall of the isolating cylinder in being obliquely installed from bottom to top, the top of isolating cylinder is lower than port top,
Port width is set as slightly larger than test tube internal diameter is frozen, and isolating cylinder cylinder bottom diameter is suitable with test tube internal diameter is frozen.
Further, the cover bottom end is equipped with a cock body for going deep into tank interior setting, and cock body bottom is equipped with a temperature
Sensor is equipped with a microprocessor, the signal output end of the temperature sensor and institute in the cock body above temperature sensor
The temperature signal input connection for stating microprocessor is equipped with a display, the signal input part of the display on cover top
It is correspondingly connected with the signal output end of the microprocessor.
Further, the outside on the tank body top is equipped with one and tank body horizontal rotating shaft disposed in parallel, in horizontal rotating shaft
Rear and front end and tank body lateral wall between connect two support plates relatively disposed in parallel, horizontal rotating shaft rear and front end distinguish
It is arranged an axle sleeve, one end of the support plate is connect with axle sleeve, and the other end of support plate is connect with tank body lateral wall；
Connecting rod is equipped in the middle part of horizontal rotating shaft between cover top, the upper end and cover top of the connecting rod are hinged,
It is fixedly connected in the middle part of connecting rod lower end and horizontal rotating shaft, a cylinder, the piston rod top end and connecting rod of cylinder is equipped on the outside of tank body
Hingedly.
Further, cylinder lateral wall position on the lower side is equipped with hold-down mechanism, and hold-down mechanism is symmetrical arranged, hold-down mechanism
It is located remotely from port side.
Further, hold-down mechanism includes shell, pressing plate and compressed spring, and the shell is fixed on the outside of cylinder, pressing plate
For arc panel, pressing plate lateral ends are equipped with slide bar, and slide bar passes through shell, and compressed spring covers on slide bar, one on the outside of compressed spring
End is contacted with inner walls, and compressed spring inner opposite end is contacted with pressing plate.
Further, one layer of rubber pad is cased on the pressing plate, cylinder inboard wall position corresponding with pressing plate is equipped with groove, pressure
Plate and groove cooperate.
The beneficial effects of the utility model are:
1, the utility model is uniformly linked with several pails along tank body circumferencial direction in tank body, and the pail includes mentioning
Pole and with the cylinder that mentions pole bottom end and connect, cylinder bottom end is equipped with inclination, along cylinder height on the barrel of the lower side in cylinder bottom surface
It spends direction and is equipped with port, the two sides of the port, which extend outwardly, surrounds an isolating cylinder, is equipped in inner barrel close to port side
The vertical shaft that one bottom end is connect with cylinder bottom end, vertical shaft are along the circumferential direction uniformly provided with several rotation barrier pieces, make
Used time pail proposes that isolating cylinder can be pushed for the intracorporal test tube that freezes of cylinder by rotating vertical shaft out of tank body, can facilitate behaviour
Make personnel directly to take, avoid directly to take out of cylinder and freeze the trouble of test tube, whole operation process quickly, safety, prevent
Only operator's frostbite.
2, the bottom surface of the utility model cylinder is in and is obliquely installed to guarantee that the intracorporal test tube that freezes of cylinder is pressed always inwardly
To port side, guarantee rotation barrier piece can toggle it to when rotating and freeze test tube, while guaranteeing to will not leave in cylinder 4 and freeze
Test tube, good reliability.
3, the width of the utility model rotation barrier piece is less than or equal to the spacing of vertical shaft and port two sides；It prevents from rotating
Interference is generated between barrier piece and cylinder inboard wall, ensure that under the cylinder slanted floor effect of cylinder to the port direction of cylinder lateral wall
What side was gathered freezes test tube under the rotation of vertical shaft, is threaded to passage port by rotation barrier piece and easily enters isolating cylinder
It is interior, into isolating cylinder in obliquely place freeze test tube.
4, the utility model cylinder top is equipped with cover, and cover is equipped with a circular hole passed through for vertical shaft, cover energy
Guarantee to store in cylinder freezes the firm of cuvette sample, prevents from floating, and vertical shaft upper end passes through the circular hole on cover, thus
It ensure that the stability of cover, and the test tube that freezes that placed in cylinder will not be caused to oppress.
5, for the side wall of the utility model isolating cylinder in being obliquely installed from bottom to top, the top of isolating cylinder is lower than port top,
The intracorporal test tube that freezes of cylinder is stored in after entrance isolating cylinder, top is exposed to outside, and pipe shaft can be fixed against isolating cylinder barrel
It is inclined to set, more convenient operator carries out individually freezing taking for cuvette sample.
6, the width of the utility model port is set as conveniently individually freezing test tube slightly larger than test tube internal diameter is frozen and smoothly leading to
It crosses, isolating cylinder cylinder bottom diameter is suitable with test tube internal diameter is frozen, it is ensured that it is every time one into the test tube amount that freezes in isolating cylinder,
It avoids the problem that multiple freezing after test tube produces accumulation and still being inconvenient to take.
7, the utility model can facilitate scientific research operator by the way that temperature sensor and microprocessor are arranged in the liquid nitrogen container
Member controls liquid nitrogen temperature in tank in real time, realizes the local real-time display of temperature in tank, when temperature exceeds normal range (NR), can pass through
Display on cover carries out warning note.
8, the connection type that the utility model cover and tank body are opened using cylinder control, is facilitating cover freely to open
Meanwhile ensure that the leakproofness that cover is connect with tank body, it prevents liquid nitrogen from revealing, more saves.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, for ordinary skill people
For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is one schematic diagram of the utility model embodiment；
Fig. 2 is one pail schematic diagram of the utility model embodiment；
Fig. 3 is one pail top view of the utility model embodiment；
Fig. 4 is one cylinder right view of the utility model embodiment；
Fig. 5 is two cylinder partial sectional view of the utility model embodiment；
Fig. 6 is two cylinder right view of the utility model embodiment.
In figure: 1 tank body, 2 covers, 3 propose pole, 4 cylinders, 5 covers, 6 ports, 7 isolating cylinders, 8 vertical shafts, 9 rotation barriers
Piece, 10 horizontal rotating shafts, 11 axle sleeves, 12 support plates, 13 first connecting rods, 14 cylinders, 15 piston rods, 16 cock bodys, 17 temperature sensing
Device, 18 microprocessors, 19 displays, 20 buckles, 21 circular holes, 22 shells, 23 pressing plates, 24 compressed springs, 25 slide bars, 26 rubber
Pad, 27 baffles.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution in the utility model, below in conjunction with this reality
With the attached drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that
The described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on the utility model
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
The range of the utility model protection all should belong in example.
For convenience of description, it is as shown in Figure 1 now to define coordinate system.
Embodiment one:
As shown in Figures 1 to 4, a kind of liquid nitrogen container, including tank body 1 and the tank that can be freely opened set on 1 top end opening of tank body
Lid 2 is uniformly linked with several pails along 1 circumferencial direction of tank body in tank body 1, and pail is equipped with multiple, and the pail includes mentioning
Pole 3 and with the cylinder 4 that mentions 3 bottom end of pole and be fixedly connected, mention and being connect at 3 top of pole and 1 top end opening of tank body, 4 bottom end of cylinder is equipped with
Inclination, as shown in Figure 1, the bottom surface of cylinder is in be obliquely installed inwardly, along cylinder height on the barrel of the lower side in 4 bottom surface of cylinder
It spends direction and is equipped with port 6, the two sides of the port 6, which extend outwardly, surrounds an isolating cylinder 7, in 4 inside of cylinder close to 6 side of port
Equipped with the vertical shaft 8 that a bottom end is connect with 4 bottom end of cylinder, vertical shaft 8 be along the circumferential direction uniformly provided with several rotation every
Baffle 9, rotation barrier piece 9 are arranged along 4 short transverse of cylinder, and rotation barrier piece 9 is located in cylinder 4, by leaning in inner barrel
The vertical shaft that a bottom end is connected with cylinder bottom wall is arranged in nearly port side, if uniformly setting on the outside of the vertical shaft of inner barrel
The dry rotation barrier piece along the setting of cylinder short transverse, pail is proposed out of tank body 1 when use, and rotating vertical shaft 8 can be with
The test tube that freezes in cylinder 4 is pushed into isolating cylinder 7, the personnel of being convenient to operation directly are taken, the bottom surface of cylinder is in inwardly inclination
Tiltedly setting can guarantee that the test tube that freezes in cylinder 4 presses to 6 side of port always, guarantee to dial when rotation barrier piece 9 rotates
It moves and freezes test tube, while guaranteeing to will not leave in cylinder 4 and freezing test tube, good reliability, the width of the rotation barrier piece 9
Less than or equal to the spacing of vertical shaft 8 and 6 two sides of port；It prevents from generating interference between rotation barrier piece 9 and cylinder inboard wall, guarantee
The test tube that freezes gathered under the cylinder slanted floor effect of cylinder to the port direction side of cylinder lateral wall is rotated in vertical shaft
Under, by rotation barrier piece be threaded to passage port and easily enter isolating cylinder in, into isolating cylinder in obliquely place freeze
Test tube.
As shown in Figure 2 and Figure 4,4 top of cylinder is equipped with cover 5, and cover 5 is equipped with one and vertical shaft 8 is supplied to pass through
Circular hole 21, the top of the vertical shaft 8 are flush with 3 top of pole is mentioned, can be into due to being equipped with a cover 5 on 4 top of cylinder
What one step guaranteed to store in cylinder 4 freezes the firm of cuvette sample, prevents from floating, and vertical 8 upper end of shaft passes through the circle on cover 5
Hole 21 to ensure that the stability of cover 5, and will not cause to oppress to the test tube that freezes placed in cylinder 4.
As shown in Fig. 2, 3 top of pole that mentions is equipped with buckle 20,1 top of tank body is equipped with card slot, and buckle 20 and card slot are matched
It closes, mentions pole 3 and hung in the card slot being arranged on 1 top end opening of tank body by being set to 20 activity of buckle on its top.
As shown in figure 4, the side wall of the isolating cylinder 7 in being obliquely installed from bottom to top, the top of isolating cylinder 7 is lower than port 6
Top is stored in cylinder 4 and freezes test tube after entrance isolating cylinder 7, and top is exposed to outside, and pipe shaft can be fixed against isolation
7 barrels of cylinder are inclined to set, and more convenient operator carries out individually freezing taking for cuvette sample.
As shown in Figures 2 and 3, the pipe diameter size for the test tube that the port 6 on cylinder 4 can freeze as needed is arranged, port 6
Width is set as slightly larger than freezing test tube internal diameter, convenient individually to freeze test tube and pass through, and 7 bottom diameters of isolating cylinder and freezes examination
Bore is suitable, it is ensured that is every time one into the test tube amount that freezes in isolating cylinder 7, multiple test tubes that freeze is avoided to produce rear heap
Product is still inconvenient to the problem of taking, and the quantity for rotating barrier piece 9 can be arranged according to test tube size reasonable is frozen.
As shown in Figure 1,2 bottom end of cover, which is equipped with one, gos deep into the cock body 16 being arranged inside tank body 1,16 upper end of cock body with
Cover 2 connects, and 16 bottom of cock body is equipped with a temperature sensor 17, is equipped with a micro- place in the cock body 16 above temperature sensor 17
Device 18 is managed, the signal output end of the temperature sensor 17 is connect with the temperature signal input of the microprocessor 18, in tank
2 top of lid is equipped with a display 19, the signal output end pair of the signal input part of the display 19 and the microprocessor 18
It should connect.By the way that temperature sensor and microprocessor are arranged in the liquid nitrogen container, scientific research operator can be facilitated to control tank in real time
Interior liquid nitrogen temperature realizes the local real-time display of temperature in tank, when temperature exceeds normal range (NR), can pass through the display on cover
Device carries out warning note.
As shown in Figure 1, the outside on 1 top of tank body is equipped with one and the horizontal rotating shaft 10 disposed in parallel of tank body 1, in water
Two support plates 12 relatively disposed in parallel are connected between 1 lateral wall of rear and front end and tank body of flat turn axis 10, in horizontal rotating shaft 10
Rear and front end be arranged an axle sleeve 11 respectively, one end of the support plate 12 is fixedly connected with axle sleeve 11, support plate 12 it is another
End is fixedly connected with 1 lateral wall of tank body；It is herein the prior art, does not do excessively repeat herein.
Connecting rod 13 is equipped between 10 middle part of horizontal rotating shaft and cover top, the upper end of the connecting rod 13 and cover 2 push up
End is hinged, is fixedly connected in the middle part of 13 lower end of connecting rod and horizontal rotating shaft 10, and a cylinder 14,14 cylinder body of cylinder are equipped on the outside of tank body 1
End is fixed on tank body 1, and the piston rod top end and connecting rod 13 of cylinder 14 are hinged.Since cover 2 and tank body 1 use cylinder 14
The connection type that control is opened ensure that the leakproofness that cover 2 is connect with tank body 1 while facilitating cover 2 freely to open,
It prevents liquid nitrogen from revealing, more saves.Cylinder 14 is connect by tracheae with gas source, and tracheae is equipped with valve, and the work of cylinder 14 is former
Reason is the prior art, does not do excessively repeat herein.
In use, pail is taken out, it is lifted up along vertical shaft 8 and opens cover 5, the test tube frozen will be needed to put vertically
Enter in cylinder 4, put down cover 5, the piston rod 15 of starting 14 cylinder of cylinder rises, and drives first connecting rod 13 along horizontal rotating shaft 10
Rotation is opened, and pail is stretched in liquid nitrogen container straight down, pail hang on tank body top by mentioning the buckle 20 on 3 top of pole
In opening on the through slot on edge, the piston rod 15 of control cylinder 14 declines, and cover 2 is covered on tank body 1 and is sealed.When needs are taken
When freezing test tube, the piston rod 15 of starting 14 cylinder of cylinder rises, and drives first connecting rod 13 to rotate along horizontal rotating shaft 10 and opens,
Manual pail mentions pole 3, will remove in through slot that the buckle 20 for mentioning pole 3 is arranged from 1 end opening of tank body top, then holds on the other hand
Pole 3 is mentioned, the other hand rotates vertical shaft 8, and vertical shaft 8 drives the promotion of rotation barrier piece 9 thereon to freeze test tube and progresses into
It tilts between adjacent two rotations barrier piece 9 and when going to 6 position of port and pours into isolating cylinder 7, at this point, the direct hand of operator
Dynamic pinch freezes the top of test tube and can be taken out conveniently in isolating cylinder 7.It avoids directly to take out of cylinder 4 and freezes test tube
Trouble, whole operation process is quick, safe, prevents operator's frostbite.
Embodiment two:
As shown in Figure 5 and Figure 6,4 side wall of cylinder position on the lower side is equipped with hold-down mechanism, and hold-down mechanism is symmetrical arranged,
Hold-down mechanism is located remotely from 6 side of port.Hold-down mechanism includes shell 22, pressing plate 23 and compressed spring 24, and the shell 22 is logical
It crosses screw and is fixed on 4 outside of cylinder, pressing plate 23 is arc panel, and 23 lateral ends of pressing plate are equipped with slide bar 25, and slide bar 25 passes through shell
22,24 sets of compressed spring on slide bar 25,24 lateral ends of compressed spring are contacted with 22 inner wall of shell, the inside of compressed spring 24 one
End is contacted with pressing plate 23.Test tube is frozen by the compression of pressing plate 23 when use, prevents from freezing test tube and topple over, good reliability compresses bullet
The pressure of spring 24 is smaller, and guarantee freezes end in contact under test tube.
As shown in figure 5, be cased with one layer of rubber pad 26 on the pressing plate 23, rubber pad 26 prevents pressing plate 23 and to freeze test tube straight
Contact, protection freeze test tube, and cylinder inboard wall position corresponding with pressing plate 23 is equipped with groove 28, and pressing plate 23 and groove 28 cooperate.
As shown in figure 5,25 lateral ends of slide bar are equipped with baffle 27, baffle 27 can prevent slide bar 25 from falling, reliably
Property is good.
In the description to the utility model, it should be noted that the side of the instructions such as term "left", "right", "upper", "lower"
Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description the utility model and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；Can be mechanical connection, be also possible to be electrically connected, can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Claims (10)
1. a kind of liquid nitrogen container, including tank body (1) and the cover (2) that can be freely opened set on tank body (1) top end opening, feature
It is uniformly to be linked with pail along tank body (1) circumferencial direction in the tank body (1), the pail includes mentioning pole (3) He Yuti pole
(3) cylinder (4) of bottom end connection, mentions and connecting at pole (3) top and tank body (1) top end opening, and cylinder (4) bottom end is equipped with inclination,
Port (6) are equipped with along cylinder short transverse on the barrel of cylinder (4) the lower side in bottom surface, the two sides of the port (6) are outside
Extension surrounds an isolating cylinder (7), is equipped with a bottom end in internal close port (6) side of cylinder (4) and connect with cylinder (4) bottom end
Vertical shaft (8), vertical shaft (8) are along the circumferential direction uniformly provided with several rotations barrier piece (9), rotate barrier piece (9) edge
The setting of cylinder (4) short transverse, rotation barrier piece (9) are located in cylinder (4), and the width of rotation barrier piece (9) is less than etc.
Spacing in vertical shaft (8) and port (6) two sides；
Cylinder (4) top is equipped with cover (5), and cover (5) is equipped with a circular hole (21) passed through for vertical shaft (8), institute
The top for stating vertical shaft (8) is flush with pole (3) top is mentioned.
2. a kind of liquid nitrogen container as described in claim 1, which is characterized in that pole (3) top that mentions is equipped with buckle (20).
3. a kind of liquid nitrogen container as described in claim 1, which is characterized in that the side wall of the isolating cylinder (7) is in incline from bottom to top
The top of tiltedly setting, isolating cylinder (7) is lower than port (6) top.
4. a kind of liquid nitrogen container as claimed in claim 3, which is characterized in that port (6) width, which is greater than, freezes test tube internal diameter,
Isolating cylinder (7) cylinder bottom diameter is identical as test tube internal diameter is frozen.
5. a kind of liquid nitrogen container as described in claim 1, which is characterized in that cover (2) bottom end is equipped with one and gos deep into tank body (1)
The cock body (16) of inside setting, cock body (16) bottom are equipped with a temperature sensor (17), the plug above temperature sensor (17)
A microprocessor (18) are equipped in body (16), signal output end and the microprocessor (18) of the temperature sensor (17)
Temperature signal input connection, cover (2) top be equipped with a display (19), the signal input part of the display (19) with
The signal output end of the microprocessor (18) is correspondingly connected with.
6. a kind of liquid nitrogen container as described in claim 1, which is characterized in that the outside on tank body (1) top is equipped with one and tank
Body (1) horizontal rotating shaft disposed in parallel (10) connects two between the rear and front end and tank body (1) lateral wall of horizontal rotating shaft (10)
Support plate (12) relatively disposed in parallel is arranged an axle sleeve (11), the support in the rear and front end of horizontal rotating shaft (10) respectively
One end of plate (12) is connect with axle sleeve (11), and the other end of support plate (12) is connect with tank body (1) lateral wall；
Connecting rod (13), the upper end of the connecting rod (13) and cover are equipped in the middle part of horizontal rotating shaft (10) between cover top
(2) top is hinged, is fixedly connected in the middle part of connecting rod (13) lower end and horizontal rotating shaft (10), a cylinder is equipped on the outside of tank body (1)
(14), the piston rod top end of cylinder (14) and connecting rod (13) are hinged.
7. a kind of liquid nitrogen container as described in claim 1, which is characterized in that cylinder (4) side wall position on the lower side is equipped with pressure
Tight mechanism, hold-down mechanism are symmetrical arranged, and hold-down mechanism is located remotely from port (6) side.
8. a kind of liquid nitrogen container as claimed in claim 7, which is characterized in that hold-down mechanism include shell (22), pressing plate (23) and
Compressed spring (24), the shell (22) are fixed on the outside of cylinder (4), and pressing plate (23) is arc panel, pressing plate (23) lateral ends
Equipped with slide bar (25), slide bar (25) passes through shell (22), and compressed spring (24) covers on slide bar (25), on the outside of compressed spring (24)
One end is contacted with shell (22) inner wall, and compressed spring (24) inner opposite end is contacted with pressing plate (23).
9. a kind of liquid nitrogen container as claimed in claim 8, which is characterized in that be cased with one layer of rubber pad on the pressing plate (23)
(26), cylinder inboard wall position corresponding with pressing plate (23) is equipped with groove (28), and pressing plate (23) and groove (28) cooperate.
10. a kind of liquid nitrogen container as claimed in claim 8, which is characterized in that slide bar (25) lateral ends are equipped with baffle
(27)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920321788.4U CN209677195U (en) | 2019-03-14 | 2019-03-14 | A kind of liquid nitrogen container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920321788.4U CN209677195U (en) | 2019-03-14 | 2019-03-14 | A kind of liquid nitrogen container |
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| Publication Number | Publication Date |
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| CN209677195U true CN209677195U (en) | 2019-11-26 |
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ID=68604749
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920321788.4U Active CN209677195U (en) | 2019-03-14 | 2019-03-14 | A kind of liquid nitrogen container |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109730055A (en) * | 2019-03-14 | 2019-05-10 | 山东省农业科学院畜牧兽医研究所 | A kind of liquid nitrogen container |
-
2019
- 2019-03-14 CN CN201920321788.4U patent/CN209677195U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109730055A (en) * | 2019-03-14 | 2019-05-10 | 山东省农业科学院畜牧兽医研究所 | A kind of liquid nitrogen container |
| CN109730055B (en) * | 2019-03-14 | 2024-03-26 | 山东省农业科学院畜牧兽医研究所 | Liquid nitrogen tank |
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