CN207119376U - A kind of conical flask with cover - Google Patents
A kind of conical flask with cover Download PDFInfo
- Publication number
- CN207119376U CN207119376U CN201720948827.4U CN201720948827U CN207119376U CN 207119376 U CN207119376 U CN 207119376U CN 201720948827 U CN201720948827 U CN 201720948827U CN 207119376 U CN207119376 U CN 207119376U
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- bottle
- bottle cap
- conical flask
- layer
- porous
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Abstract
The utility model discloses a kind of conical flask with cover, including bottle and bottle cap, the bottle cap includes bottle cap side wall and bottle cap top, the bottle cap top cover is located on the bottleneck of the bottle, for adsorbing the organic steam in bottle, air inside and outside UNICOM's bottle simultaneously, the bottle cap top includes porous fixed bed successively from top to bottom, adsorption layer and porous anti adhering layer, the utility model pre-processes for different solvents, or when in the experimentation that air pressure changes in the bottle such as solution heating, both it can prevent that organic steam loss was gone out in conical flask, also ensure that air pressure constant in conical flask simultaneously, avoid open bottle cover moment, liquid is because of air pressure instantaneous variation in bottle, and it is splashed to laboratory technician, processing safety is improved while reducing experiment environmental pollution.
Description
Technical field
A kind of the utility model category experimental ware technical field, and in particular to conical flask with cover.
Background technology
Conical flask is the common glass apparatus of chemical laboratory, is sent out by Germanization scholar Li Chaelunmaier in 1861
It is bright.It is generally used in titration experiments.Because taper bottle structure is relatively stable, will not topple over, conical flask is existing also more and more
Ground is used in other chemical experiments.
During Organic Experiment, it will usually before conical flask is used for into the collection and organic substance extraction of column chromatography liquid
Premixing is handled, although the bore very little of conical flask upper end open, but is collected organic substance in conical flask or is pre-mixed
During, however it remains the phenomenon that organic steam is spilt into experimental enviroment by conical flask upper end open, with existing experiment
Room environmental requires more and more stricter, in existing laws and regulations to the proportion requirement of organic steam in Laboratory air also increasingly
It is low, in order that regulation increasingly strict in the compound existing laws and regulations of laboratory environment, sets special lid on conical flask,
Prevent organic steam loss from conical flask from going out to seem particularly necessary.
However, existing taper bottle cap is usually glass stopper or cork, above two taper bottle cap generally will cone
Shape bottle is fully sealed, and is not used to the situation that air pressure changes with the time in conical flask.
Utility model content
In order to overcome existing conical flask to be not used to the situation that air pressure changes with the time in conical flask, the utility model
A kind of conical flask with cover is provided, technical solutions of the utility model may be such that the organic steam of pollution environment in conical flask can not
Spill into surrounding environment, while can ensure that conical flask inside and outside differential pressure is identical, liquid splash in the moment conical flask that prevents from uncapping.
Technical solutions of the utility model are as follows：
A kind of conical flask with cover, including bottle and bottle cap, the bottle cap are removably connected to the bottleneck one of the bottle
End, the bottle cap include：
Bottle cap side wall, the bottle cap side wall are annular, are set in the bottleneck outer surface of the bottle, for connect bottle cap and
Bottle；
Bottle cap top, described bottle cap side wall one end is connected to, the bottle cap top cover is located on the bottleneck of the bottle, for inhaling
Organic steam in attached bottle, while the air inside and outside UNICOM's bottle；
The bottle cap top includes being used to provide the porous fixed bed of strength support, for inhaling for bottle cap top from top to bottom successively
The adsorption layer of organic steam and for preventing organic solvent to be adhered to the porous anti adhering layer of bottle cap top inner surface in attached conical flask,
The surrounding of the porous fixed bed, adsorption layer and porous anti adhering layer is connected with the bottle cap side wall, and can lead to air
Cross.
Preferably, the porous fixed bed is made up of rubber or silica gel, and be provided with it is multiple allow air to pass through it is first logical
Hole.
Preferably, the adsorption layer includes activated carbon fiber layers and nonwoven layer, and the nonwoven layer is located at the activity
Between Carbon fibe layer and porous anti adhering layer, for being filtered through the gas of bottle cap while for supporting activated carbon fiber layers.
Preferably, porous anti adhering layer is by polytetrafluoroethylene (PTFE), perfluoroethylene-propylene, Ethylene/tetrafluoroethylene, four
The perfluor alkane of PVF one is in propoxyl group copolymer, the chlorotrifluoroethylene of ethene one, polyvinyl fluoride and Kynoar
One or more are formed, and multiple the second through holes for allowing air to pass through are provided with the porous anti adhering layer.
Preferably, the porous fixed bed, activated carbon fiber layers, nonwoven layer and porous anti adhering layer are glued by ultrasonic wave
Knot.
Preferably, the bottle cap side wall is made up of rubber or silica gel, and bottle cap side wall is wrapped in the outer surface of the bottleneck of bottle,
And it is tightly connected with the outer surface of bottleneck.
What technical solutions of the utility model possessed has the beneficial effect that：
1. the technical program is by will set bottle cap on conical flask, and the bottle cap top is from top to bottom successively including porous solid
Given layer, adsorption layer and porous anti adhering layer so that the conical flask that the technical program is related to pre-processes for different solvents, or
When in the experimentation that air pressure changes in the bottles such as solution heating, it can both prevent that organic steam loss went out in conical flask
Go, while also ensure that air pressure constant in conical flask, avoid open bottle cover moment, in bottle liquid because of air pressure instantaneous variation, and
It is splashed to laboratory technician, processing safety is improved while reducing experiment environmental pollution.
2. activated carbon fiber layers described in the technical program are a kind of high-absorption materials, its surface spreads all over micropore, has very
Big specific surface area, to various organic matters such as benzene, toluene, n-hexane, chloromethanes, dichloromethane, chloroform, acetone, hexamethylene
Ketone, formaldehyde, ethyl acetate, methyl ether, ether, methanol, ethanol, vinyl chloride etc. all have excellent adsorption capacity so that this technology
The conical flask that scheme is related to can be used for containing different material.
3. porous anti adhering layer has excellent hydrophobicity and oleophobic property described in the technical program, can effectively prevent from boring
Liquid adhesive in shape bottle avoids influenceing caused by experiment because adhering to a small amount of liquid on bottle cap inwall.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation of the utility model conical flask；
Embodiment
In order to overcome existing conical flask with cover to be not used to the situation that air pressure changes with the time in conical flask, this reality
A kind of conical flask with cover is provided with new, technical solutions of the utility model may be such that organic steaming of pollution environment in conical flask
Vapour can not be spilt into surrounding environment, while can ensure that conical flask inside and outside differential pressure is identical, liquid in the moment conical flask that prevents from uncapping
Splash.
In order to be better understood from technical solutions of the utility model, below in conjunction with Figure of description and embodiment
Above-mentioned technical proposal is described in detail, it should be understood that the specific features in the utility model embodiment and embodiment are
To the detailed description of technical scheme, rather than the restriction to technical scheme, in the case where not conflicting, this
Technical characteristic in utility model embodiment and embodiment can be mutually combined.
As shown in figure 1, a kind of conical flask with cover, including bottle 1 and bottle cap 2, the bottle cap 2 are removably connected to described
One end of bottleneck 12 of bottle 1, the bottle cap 2 include：
Bottle cap side wall 21, the bottle cap side wall 21 are annular, are set in the outer surface of bottleneck 11 of the bottle 1, for even
Connect bottle cap 2 and bottle 1；
Bottle cap top 22, is connected to described one end of bottle cap side wall 21, and the bottleneck 12 for being located at the bottle 1 is covered on the bottle cap top 22
On, for adsorbing the organic steam in bottle 1, while the air inside and outside UNICOM's bottle 1；
The bottle cap top 22 includes being used for the porous fixed bed for providing strength support for bottle cap top 22 from top to bottom successively
221st, for adsorbing the adsorption layer 222 of organic steam in conical flask and for preventing organic solvent to be adhered to the inner surface of bottle cap top 22
Porous anti adhering layer 223, the porous fixed bed 221, the surrounding of adsorption layer 222 and porous anti adhering layer 223 with it is described
Bottle cap side wall 21 connects, and can bypass air through.
The technical program will be by that will set bottle cap 2 on conical flask, and the bottle cap top 22 is from top to bottom successively including porous
Fixed bed 221, adsorption layer 222 and porous anti adhering layer 223 so that the conical flask that the technical program is related to is for different solvents
When in the experimentation that air pressure changes in pretreatment, or the bottle such as solution heating, it can both prevent having in conical flask
Machine steam loss is gone out, while also ensures that air pressure constant in conical flask, avoids the moment of open bottle cover 2, and liquid is because of gas in bottle
Instantaneous variation is pressed, and is splashed to laboratory technician, processing safety is improved while reducing experiment environmental pollution.
Specifically, the porous fixed bed 221 is made up of rubber or silica gel, and be provided with it is multiple allow air to pass through first
Through hole.
Specifically, the adsorption layer 222 includes activated carbon fiber layers 2221 and nonwoven layer 2222, the nonwoven layer
2222 between the activated carbon fiber layers 2221 and porous anti adhering layer 223, for being filtered through the gas of bottle cap 2 simultaneously
For supporting activated carbon fiber layers 2221.Specifically, the activated carbon fiber layers 2221 are by viscose glue base, phenolic aldehyde base, asphaltic base, poly-
It is acrylonitrile base, PVA-based, polyvinylidene chloride base, poly- phthalimide base, polystyrene-based and natural plant fibre base one
Kind or several compositions, its surface spread all over micropore, there is very big specific surface area, to various organic matters for example benzene, toluene, n-hexane,
Chloromethanes, dichloromethane, chloroform, acetone, cyclohexanone, formaldehyde, ethyl acetate, methyl ether, ether, methanol, ethanol, vinyl chloride
Deng all having excellent adsorption capacity so that the conical flask that the technical program is related to can be used for containing different material.
In the present embodiment, the non-woven fabrics material that the preferred intensity of nonwoven layer 2222 is big, fiber is thicker, nonwoven layer
2222, to protection activity Carbon fibe layer 2221, improve the surface strength of adsorption layer 222, stretch bending intensity and deflection, subtract simultaneously
Small air circulation resistance.
Preferably, porous anti adhering layer 223 by polytetrafluoroethylene (PTFE), perfluoroethylene-propylene, Ethylene/tetrafluoroethylene,
The perfluor alkane of tetrafluoroethene one is in propoxyl group copolymer, the chlorotrifluoroethylene of ethene one, polyvinyl fluoride and Kynoar
One or more of compositions, be provided with multiple the second through holes for allowing air to pass through on the porous anti adhering layer 223.It is specific at this
In embodiment, first through hole and the second hole size are equal, and mutually stagger, and make gas can be uniformly through the adsorption layer 222.
Preferably, the porous fixed bed 221, activated carbon fiber layers 2221, nonwoven layer 2222 and porous anti adhering layer
223 pass through ultrasonic bonding.It is totally quick by ultrasonic bonding, avoid adding solvent viscose glue.
Preferably, the bottle cap side wall 21 is made up of rubber or silica gel, and bottle cap side wall 21 is wrapped in the bottleneck 11 of bottle 1
Outer surface, and be tightly connected with the outer surface of bottleneck 11.In the present embodiment, it is tightly connected by the way that bottle cap side wall 21 is free
It is arranged to be slightly less than the external diameter of correspondence position bottleneck 11 away from one end internal diameter of bottle cap top 22 under state, utilizes quality of rubber materials or silica gel material
The elasticity of matter, which is realized, to be tightly connected.
Above disclosed is only a kind of the utility model preferred embodiment, can not limit this practicality with this certainly
New interest field, one of ordinary skill in the art will appreciate that all or part of flow of above-described embodiment is realized, and according to
The equivalent variations that the utility model claims are made, still fall within the scope that utility model is covered.
Claims (5)
1. a kind of conical flask with cover, including bottle (1) and bottle cap (2), the bottle cap (2) are removably connected to the bottle
(1) bottleneck (12) one end, it is characterised in that the bottle cap (2) includes：
Bottle cap side wall (21), the bottle cap side wall (21) are annular, are set in bottleneck (11) outer surface of the bottle (1), are used
In connection bottle cap (2) and bottle (1)；
Bottle cap top (22), is connected to described bottle cap side wall (21) one end, and bottle cap top (22) lid is located at the bottle of the bottle (1)
On mouth (12), for adsorbing the organic steam in bottle (1), while the air inside and outside UNICOM's bottle (1)；
The bottle cap top (22) includes being used for the porous fixed bed for providing strength support for bottle cap top (22) from top to bottom successively
(221), for adsorbing the adsorption layer (222) of organic steam in conical flask and for preventing organic solvent to be adhered to bottle cap top (22)
The porous anti adhering layer (223) of inner surface, the porous fixed bed (221), adsorption layer (222) and porous anti adhering layer (223)
Surrounding be connected with the bottle cap side wall (21), and can bypass air through.
2. conical flask with cover according to claim 1, it is characterised in that：The porous fixed bed (221) by rubber or
Silica gel is made, and is provided with multiple first through hole for allowing air to pass through.
3. conical flask with cover according to claim 1, it is characterised in that：The adsorption layer (222) includes active carbon fibre
Tie up layer (2221) and nonwoven layer (2222), the nonwoven layer (2222) is located at activated carbon fiber layers (2221) and porous
Between anti adhering layer (223), for being filtered through the gas of bottle cap (2) while for supporting activated carbon fiber layers (2221).
4. conical flask with cover according to claim 1, it is characterised in that：The porous fixed bed (221), active carbon fibre
Dimension layer (2221), nonwoven layer (2222) and porous anti adhering layer (223) pass through ultrasonic bonding.
5. conical flask with cover according to claim 1, it is characterised in that：The bottle cap side wall (21) is by rubber or silica gel
It is made, bottle cap side wall (21) is wrapped in the outer surface of the bottleneck (11) of bottle (1), and seals company with the outer surface of bottleneck (11)
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720948827.4U CN207119376U (en) | 2017-08-01 | 2017-08-01 | A kind of conical flask with cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720948827.4U CN207119376U (en) | 2017-08-01 | 2017-08-01 | A kind of conical flask with cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207119376U true CN207119376U (en) | 2018-03-20 |
Family
ID=61613322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720948827.4U Expired - Fee Related CN207119376U (en) | 2017-08-01 | 2017-08-01 | A kind of conical flask with cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207119376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108993623A (en) * | 2018-07-19 | 2018-12-14 | 中国科学院东北地理与农业生态研究所 | A kind of screw thread bottleneck filter flask |
-
2017
- 2017-08-01 CN CN201720948827.4U patent/CN207119376U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108993623A (en) * | 2018-07-19 | 2018-12-14 | 中国科学院东北地理与农业生态研究所 | A kind of screw thread bottleneck filter flask |
| CN108993623B (en) * | 2018-07-19 | 2020-11-06 | 中国科学院东北地理与农业生态研究所 | Thread bottleneck suction flask |
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| 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: 20180320 Termination date: 20180801 |