CN206871613U - A kind of liquid nitrogen pail - Google Patents
A kind of liquid nitrogen pail Download PDFInfo
- Publication number
- CN206871613U CN206871613U CN201720797951.5U CN201720797951U CN206871613U CN 206871613 U CN206871613 U CN 206871613U CN 201720797951 U CN201720797951 U CN 201720797951U CN 206871613 U CN206871613 U CN 206871613U
- Authority
- CN
- China
- Prior art keywords
- staving
- hole
- liquid nitrogen
- shadoof
- switch lever
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A kind of liquid nitrogen pail is the utility model is related to, including shadoof, staving, switch lever and locating guide device, the lower end of the shadoof are fixedly connected with the lateral wall of the staving, the centerline axis parallel of the shadoof and the staving is arranged；The locating guide device is fixed on the madial wall or the shadoof of the staving；Through hole is offered on the bottom wall of the staving, the switch lever is inserted vertically into the staving by the locating guide device, and the lower end of the switch lever is plugged in the through hole and seals up the through hole.The utility model on staving bottom wall by offering through hole, and switch lever lower end is plugged in through hole, when needing to contain liquid nitrogen, shadoof sealing is plugged in the through hole, staving is set to form the container of a sealing, when needing to pour out liquid nitrogen, shadoof can above be carried, open the through hole on staving bottom wall, so that liquid nitrogen flows out from through hole, liquid nitrogen container need not be toppled over, liquid nitrogen is avoided and be spread across outside, reduce frostbite risk.
Description
Technical field
It the utility model is related to Biochemistry Experiment equipment technical field, and in particular to a kind of liquid nitrogen pail.
Background technology
Liquid nitrogen is the important chemical during Bioexperiment, temperature about at -190 DEG C, for tissue, cell transfer and
Freeze.Because liquid nitrogen temperature is extremely low, during liquid nitrogen is taken out out of liquid nitrogen container, may frostbite experimental implementation person, therefore liquid
The structure of nitrogen pail is extracted to protection and topples over liquid nitrogen person is critically important.But the pail arrangements used at present are inconvenient to incite somebody to action
Liquid nitrogen is smoothly poured out, and liquid nitrogen easily is spread across into outside, is not only resulted in liquid nitrogen waste, be also add frostbite risk.
Utility model content
Technical problem to be solved in the utility model is in view of the shortcomings of the prior art, there is provided a kind of liquid nitrogen pail.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of liquid nitrogen pail, including shadoof, staving,
Switch lever and locating guide device, the lower end of the shadoof are fixedly connected with the lateral wall of the staving, the shadoof with it is described
The centerline axis parallel arrangement of staving；The locating guide device is fixed on the madial wall or the shadoof of the staving；Institute
To state and through hole is offered on the bottom wall of staving, the switch lever is inserted vertically into the staving by the locating guide device,
The lower end of the switch lever is plugged in the through hole and seals up the through hole.
The beneficial effects of the utility model are：The utility model will be switched by offering through hole on staving bottom wall
Bar lower end is plugged in through hole, when needing to contain liquid nitrogen, shadoof sealing is plugged in the through hole, staving is formed one
The container of sealing, when needing to pour out liquid nitrogen, shadoof can above be carried, opens the through hole on staving bottom wall so that liquid nitrogen from
Through hole flows out, it is not necessary to topples over liquid nitrogen container, avoids liquid nitrogen and be spread across outside, reduce frostbite risk.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement.
Further, the conical structure that the through hole is diametrically gradually reduced from top to bottom, the switch lever lower end and institute
The structure for stating through hole is adapted.
It is using the above-mentioned further beneficial effect of scheme：By the way that through hole is arranged into conical structure, facilitate shadoof by
Up to it is inserted into down in through hole and seals up through hole.
Further, the switch lever includes bar body and is detachably connected on the post core of the switch lever lower end, the post
Core is coaxially disposed with the bar body, and the conical structure that the post core is diametrically gradually reduced from top to bottom, the post core is fitted
It is plugged on sealing in the through hole.
It is using the above-mentioned further beneficial effect of scheme：By setting bar body and post core, when the abrasion of post core makes through hole
When poorly sealed, it is convenient for changing.
Further, the post core is connected by screw is socketed with the lower end of the bar body, the upper end of the bar body
The protective case of anti-frostbite.
It is using the above-mentioned further beneficial effect of scheme：By the way that post core is connected by screw in bar body lower end, side
Just the disassembling, assembling and replacing of post core.
Further, the length of the post core and the equal length of the through hole, the lower end of the post core and the staving bottom
Wall lateral surface is concordant.
It is using the above-mentioned further beneficial effect of scheme：By the way that post core lower end is concordant with cylinder bottom wall outer face, make
It is more firm to obtain the structure that staving and post core are engaged.
Further, the locating guide device includes locating rod and locating ring；The locating rod is horizontally disposed and its one end
It is fixed on the shadoof or on the madial wall of the staving, its other end is fixedly connected with the locating ring；The locating ring
Top rounded and positioned at the through hole, the switch lever are plugged in the locating ring.
It is using the above-mentioned further beneficial effect of scheme：It is convenient that switch lever is entered by setting locating rod and locating ring
Row guide-localization.
Further, the locating ring is centrally located on the extended line of the through hole central axis.
It is using the above-mentioned further beneficial effect of scheme：By setting locating ring to be centrally located at through hole central axis
During extended line so that positioning is more accurate.
Further, the shadoof upper end forms a cross bar to the direction horizontal buckling away from the staving, on the cross bar
It is socketed with protective case.
It is using the above-mentioned further beneficial effect of scheme：By setting cross bar, convenient hand-held lifting shadoof.
Further, the thickness of the staving bottom wall is 1cm-5cm.
It is using the above-mentioned further beneficial effect of scheme：By being defined to the thickness of staving bottom wall, staving is avoided
Bottom wall is excessively thin and influences sealing effectiveness.
Further, the staving bottom wall outer face is provided with bearing.
It is using the above-mentioned further beneficial effect of scheme：By setting bearing on staving bottom wall outer face, can give logical
Stay a part of space around hole, the convenient device for receiving liquid nitrogen is from bottom reception liquid nitrogen.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of liquid nitrogen pail of the present utility model.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, shadoof；11st, cross bar；2nd, staving；21st, through hole；3rd, switch lever；4th, locating rod；5th, locating ring.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit the scope of the utility model.
As shown in figure 1, a kind of liquid nitrogen pail of the present embodiment, including shadoof 1, staving 2, switch lever 3 and positioning and guiding dress
Put, the lower end of the shadoof 1 is fixedly connected with the lateral wall of the staving 2, the central axis of the shadoof 1 and the staving 2
Parallel arrangement；The locating guide device is fixed on the madial wall or the shadoof 1 of the staving 2；The bottom wall of the staving 2
On offer through hole 21, the switch lever 3 is inserted vertically into the staving 2 by the locating guide device, the switch
The lower end of bar 3 is plugged in the through hole 21 and seals up the through hole 21.
The present embodiment is plugged in through hole by offering through hole on staving bottom wall, and by switch lever lower end, works as needs
When containing liquid nitrogen, shadoof sealing is plugged in the through hole, staving is formed the container of a sealing, when needing to fall liquid nitrogen
When going out, shadoof can above be carried, open the through hole on staving bottom wall so that liquid nitrogen flows out from through hole, it is not necessary to topple over liquid nitrogen container,
Avoid liquid nitrogen and be spread across outside, reduce frostbite risk.
As shown in figure 1, the conical structure that the through hole 21 of the present embodiment is diametrically gradually reduced from top to bottom, described
The lower end of switch lever 3 is adapted with the structure of the through hole 21.By the way that through hole is arranged into conical structure, facilitate shadoof by up to
Under be inserted into through hole and seal up through hole.
As shown in figure 1, the switch lever 3 of the present embodiment includes bar body and is detachably connected on the switch lever lower end
Post core, the post core is coaxially disposed with the bar body, the cone knot that the post core is diametrically gradually reduced from top to bottom
Structure, the post core adaptation sealing are plugged in the through hole.
One preferred scheme of the present embodiment, the post core are connected by screw in the lower end of the bar body, the bar
The upper end of body is socketed with the protective case of anti-frostbite.The protective case can be cylindrical in shape the upper end that structure is socketed in the bar body,
One layer of separation sleeve can be connected with the lateral wall of protective case, when hand holds protective case, separation sleeve by staving and hand every
Leave, avoid frostbite finger.Screw can be followed closely from the end face of the small head end of post core as in post core and bar body so that post core and
The fixation of bar body is more firm.
Another preferred scheme of the present embodiment, the first groove or/and setting are offered in the big end surface of the post core
There is the first projection, second raised or/and the second groove, the described first raised adaptation are provided with the lower end surface of the bar body
It is plugged in first groove, the described second raised adaptation is plugged in second groove.Now, in order that bar body with
The connection of post core is even closer, can hammer into screw from the end face of the small head end of post core, bar body and post core is entered one by screw
Step fastening.
In the present embodiment, the length of the post core and the equal length of the through hole, lower end and the bucket of the post core
Body bottom wall outer face is concordant.Staving is avoided to place unstable on the ground.
As shown in figure 1, the locating guide device of the present embodiment includes locating rod 4 and locating ring 5；The locating rod 4
Horizontally disposed and its one end is fixed on the shadoof 1 or on the madial wall of the staving 2, its other end and the locating ring 5
It is fixedly connected；The locating ring 5 is rounded and is located at the top of the through hole 21, and the switch lever 3 is plugged on the locating ring 5
It is interior.It is convenient that guide-localization is carried out to switch lever by setting locating rod and locating ring.In use, by switch lever from the positioning
Ring inserts, and is then plugged under the guide effect of locating ring in the through hole of staving bottom.
As shown in figure 1, the locating ring 5 of the present embodiment is centrally located at the extended line of the central axis of through hole 21
On.When being centrally located at the extended line of through hole central axis by setting locating ring so that positioning is more accurate.
As shown in figure 1, the upper end of the shadoof 1 of the present embodiment forms one to the direction horizontal buckling away from the staving 2
Cross bar 11, protective case is socketed with the cross bar 11.By setting cross bar, convenient hand-held lifting shadoof, and protected by setting
Set, avoids damage to hand.
The thickness of the bottom wall of the staving 2 of the present embodiment is 1cm-5cm, preferably 2cm, 3cm and 4cm.By to staving
The thickness of bottom wall is defined, and is avoided staving bottom wall excessively thin and is influenceed sealing effectiveness.
One preferred scheme of the present embodiment, the bottom wall outer face of staving 2 are provided with bearing.By in the bottom wall of staving 2
Bearing is set on lateral surface, can be to staying a part of space around through hole, the convenient device for receiving liquid nitrogen is from bottom reception liquid nitrogen.This
Shi Zhuxin can pass a part downwards out of through hole and be placed in the headspace on bearing, when post core wears, still can lead to
Cross the tight closure that downward displacement causes through hole.
The base of the present embodiment can be to be arranged on the several raised of staving bottom wall outer face or be arranged on staving bottom
One annular projection of wall lateral surface so that base bottom wall lateral surface reserves a part of space close to the position of through hole, when
When post core is prominent somewhat from staving bottom wall, plugging action still can be played.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two
It is individual, three etc., unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of element internal or the interaction relationship of two elements, limited unless otherwise clear and definite.For the common skill of this area
For art personnel, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the different embodiments or example and the feature of different embodiments or example described in this specification can be entered
Row combines and combination.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (10)
1. a kind of liquid nitrogen pail, it is characterised in that including shadoof, staving, switch lever and locating guide device, under the shadoof
End is fixedly connected with the lateral wall of the staving, and the centerline axis parallel of the shadoof and the staving is arranged；The positioning is led
It is fixed on to device on the madial wall or the shadoof of the staving；Through hole, the switch are offered on the bottom wall of the staving
Bar is inserted vertically into the staving by the locating guide device, the lower end of the switch lever be plugged in the through hole and
The through hole is sealed up.
2. a kind of liquid nitrogen pail according to claim 1, it is characterised in that the through hole is diametrically gradually reduced from top to bottom
Conical structure, the switch lever lower end is adapted with the structure of the through hole.
3. a kind of liquid nitrogen pail according to claim 2, it is characterised in that the switch lever includes bar body and detachably connected
The post core of the switch lever lower end is connected on, the post core is coaxially disposed with the bar body, and the post core is diametrically from top to bottom
The conical structure being gradually reduced, the post core adaptation sealing are plugged in the through hole.
4. a kind of liquid nitrogen pail according to claim 3, it is characterised in that the post core is connected by screw in the bar sheet
The lower end of body, the upper end of the bar body are socketed with the protective case of anti-frostbite.
5. a kind of liquid nitrogen pail according to claim 4, it is characterised in that the length of the post core and the length of the through hole
Equal, the lower end of the post core is concordant with the staving bottom wall outer face.
6. according to a kind of any one of claim 1 to 5 liquid nitrogen pail, it is characterised in that the locating guide device includes
Locating rod and locating ring；The locating rod is horizontally disposed and its one end is fixed on the shadoof or the madial wall of the staving
On, its other end is fixedly connected with the locating ring；The locating ring is rounded and is located at the top of the through hole, the switch
Bar is plugged in the locating ring.
7. a kind of liquid nitrogen pail according to claim 6, it is characterised in that the locating ring is centrally located in the through hole
On the extended line of mandrel line.
8. according to claim 1 to 5, a kind of any one of 7 liquid nitrogen pails, it is characterised in that the shadoof upper end is to remote
The direction horizontal buckling of the staving forms a cross bar, and protective case is socketed with the cross bar.
9. a kind of liquid nitrogen pail according to claim 8, it is characterised in that the thickness of the staving bottom wall is 1cm-5cm.
10. according to any one of claim 1 to 5,7,9 a kind of liquid nitrogen pail, it is characterised in that the staving bottom wall outer
Face is provided with bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720797951.5U CN206871613U (en) | 2017-07-03 | 2017-07-03 | A kind of liquid nitrogen pail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720797951.5U CN206871613U (en) | 2017-07-03 | 2017-07-03 | A kind of liquid nitrogen pail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206871613U true CN206871613U (en) | 2018-01-12 |
Family
ID=61332561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720797951.5U Expired - Fee Related CN206871613U (en) | 2017-07-03 | 2017-07-03 | A kind of liquid nitrogen pail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206871613U (en) |
-
2017
- 2017-07-03 CN CN201720797951.5U patent/CN206871613U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20180112 Termination date: 20180703 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |